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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 11:38:06 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 11:38:06 -0400
commit8019aa946af5218bc4446c21e43cc19c9401ac68 (patch)
tree6681b73a560f5a4e4a4e8f97b3833a087a488439
parent73e3e6481f56b3b5b618671a8d32b19a35f84316 (diff)
parent48feb3c419508487becfb9ea3afcc54c3eac6d80 (diff)
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (79 commits) ata-acpi: don't call _GTF for disabled drive sata_mv add temporary 3 second init delay for SiliconImage PMs sata_mv remove redundant edma init code sata_mv add basic port multiplier support sata_mv fix SOC flags, enable NCQ on SOC sata_mv disable hotplug for now sata_mv cosmetics sata_mv hardreset rework [libata] improve Kconfig help text for new PMP, SFF options libata: make EH fail gracefully if no reset method is available libata: Be a bit more slack about early devices libata: cable logic libata: move link onlineness check out of softreset methods libata: kill dead code paths in reset path pata_scc: fix build breakage libata: make PMP support optional libata: implement PMP helpers libata: separate PMP support code from core code libata: make SFF support optional libata: don't use ap->ioaddr in non-SFF drivers ...
-rw-r--r--drivers/ata/Kconfig64
-rw-r--r--drivers/ata/Makefile5
-rw-r--r--drivers/ata/ahci.c309
-rw-r--r--drivers/ata/ata_generic.c51
-rw-r--r--drivers/ata/ata_piix.c312
-rw-r--r--drivers/ata/libata-acpi.c8
-rw-r--r--drivers/ata/libata-core.c2228
-rw-r--r--drivers/ata/libata-eh.c225
-rw-r--r--drivers/ata/libata-pmp.c247
-rw-r--r--drivers/ata/libata-scsi.c17
-rw-r--r--drivers/ata/libata-sff.c2296
-rw-r--r--drivers/ata/libata.h53
-rw-r--r--drivers/ata/pata_acpi.c83
-rw-r--r--drivers/ata/pata_ali.c165
-rw-r--r--drivers/ata/pata_amd.c268
-rw-r--r--drivers/ata/pata_artop.c125
-rw-r--r--drivers/ata/pata_at32.c46
-rw-r--r--drivers/ata/pata_atiixp.c57
-rw-r--r--drivers/ata/pata_bf54x.c137
-rw-r--r--drivers/ata/pata_cmd640.c83
-rw-r--r--drivers/ata/pata_cmd64x.c137
-rw-r--r--drivers/ata/pata_cs5520.c64
-rw-r--r--drivers/ata/pata_cs5530.c80
-rw-r--r--drivers/ata/pata_cs5535.c50
-rw-r--r--drivers/ata/pata_cs5536.c50
-rw-r--r--drivers/ata/pata_cypress.c50
-rw-r--r--drivers/ata/pata_efar.c66
-rw-r--r--drivers/ata/pata_hpt366.c77
-rw-r--r--drivers/ata/pata_hpt37x.c245
-rw-r--r--drivers/ata/pata_hpt3x2n.c85
-rw-r--r--drivers/ata/pata_hpt3x3.c56
-rw-r--r--drivers/ata/pata_icside.c67
-rw-r--r--drivers/ata/pata_isapnp.c41
-rw-r--r--drivers/ata/pata_it8213.c67
-rw-r--r--drivers/ata/pata_it821x.c109
-rw-r--r--drivers/ata/pata_ixp4xx_cf.c46
-rw-r--r--drivers/ata/pata_jmicron.c68
-rw-r--r--drivers/ata/pata_legacy.c316
-rw-r--r--drivers/ata/pata_marvell.c69
-rw-r--r--drivers/ata/pata_mpc52xx.c48
-rw-r--r--drivers/ata/pata_mpiix.c71
-rw-r--r--drivers/ata/pata_netcell.c58
-rw-r--r--drivers/ata/pata_ninja32.c54
-rw-r--r--drivers/ata/pata_ns87410.c68
-rw-r--r--drivers/ata/pata_ns87415.c102
-rw-r--r--drivers/ata/pata_oldpiix.c74
-rw-r--r--drivers/ata/pata_opti.c66
-rw-r--r--drivers/ata/pata_optidma.c103
-rw-r--r--drivers/ata/pata_pcmcia.c68
-rw-r--r--drivers/ata/pata_pdc2027x.c99
-rw-r--r--drivers/ata/pata_pdc202xx_old.c96
-rw-r--r--drivers/ata/pata_platform.c46
-rw-r--r--drivers/ata/pata_qdi.c77
-rw-r--r--drivers/ata/pata_radisys.c57
-rw-r--r--drivers/ata/pata_rb500_cf.c54
-rw-r--r--drivers/ata/pata_rz1000.c49
-rw-r--r--drivers/ata/pata_sc1200.c59
-rw-r--r--drivers/ata/pata_scc.c257
-rw-r--r--drivers/ata/pata_serverworks.c114
-rw-r--r--drivers/ata/pata_sil680.c71
-rw-r--r--drivers/ata/pata_sis.c230
-rw-r--r--drivers/ata/pata_sl82c105.c67
-rw-r--r--drivers/ata/pata_triflex.c58
-rw-r--r--drivers/ata/pata_via.c134
-rw-r--r--drivers/ata/pata_winbond.c47
-rw-r--r--drivers/ata/pdc_adma.c80
-rw-r--r--drivers/ata/sata_fsl.c136
-rw-r--r--drivers/ata/sata_inic162x.c73
-rw-r--r--drivers/ata/sata_mv.c632
-rw-r--r--drivers/ata/sata_nv.c263
-rw-r--r--drivers/ata/sata_promise.c118
-rw-r--r--drivers/ata/sata_qstor.c56
-rw-r--r--drivers/ata/sata_sil.c55
-rw-r--r--drivers/ata/sata_sil24.c247
-rw-r--r--drivers/ata/sata_sis.c44
-rw-r--r--drivers/ata/sata_svw.c47
-rw-r--r--drivers/ata/sata_sx4.c52
-rw-r--r--drivers/ata/sata_uli.c55
-rw-r--r--drivers/ata/sata_via.c126
-rw-r--r--drivers/ata/sata_vsc.c44
-rw-r--r--drivers/scsi/ipr.c74
-rw-r--r--drivers/scsi/libsas/sas_ata.c19
-rw-r--r--include/linux/libata.h718
83 files changed, 4787 insertions, 8801 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 25aba69b59b4..292aa9a0f02f 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -28,7 +28,7 @@ config ATA_NONSTANDARD
28 default n 28 default n
29 29
30config ATA_ACPI 30config ATA_ACPI
31 bool 31 bool "ATA ACPI Support"
32 depends on ACPI && PCI 32 depends on ACPI && PCI
33 select ACPI_DOCK 33 select ACPI_DOCK
34 default y 34 default y
@@ -41,6 +41,13 @@ config ATA_ACPI
41 You can disable this at kernel boot time by using the 41 You can disable this at kernel boot time by using the
42 option libata.noacpi=1 42 option libata.noacpi=1
43 43
44config SATA_PMP
45 bool "SATA Port Multiplier support"
46 default y
47 help
48 This option adds support for SATA Port Multipliers
49 (the SATA version of an ethernet hub, or SAS expander).
50
44config SATA_AHCI 51config SATA_AHCI
45 tristate "AHCI SATA support" 52 tristate "AHCI SATA support"
46 depends on PCI 53 depends on PCI
@@ -49,6 +56,43 @@ config SATA_AHCI
49 56
50 If unsure, say N. 57 If unsure, say N.
51 58
59config SATA_SIL24
60 tristate "Silicon Image 3124/3132 SATA support"
61 depends on PCI
62 help
63 This option enables support for Silicon Image 3124/3132 Serial ATA.
64
65 If unsure, say N.
66
67config SATA_FSL
68 tristate "Freescale 3.0Gbps SATA support"
69 depends on FSL_SOC
70 help
71 This option enables support for Freescale 3.0Gbps SATA controller.
72 It can be found on MPC837x and MPC8315.
73
74 If unsure, say N.
75
76config ATA_SFF
77 bool "ATA SFF support"
78 default y
79 help
80 This option adds support for ATA controllers with SFF
81 compliant or similar programming interface.
82
83 SFF is the legacy IDE interface that has been around since
84 the dawn of time. Almost all PATA controllers have an
85 SFF interface. Many SATA controllers have an SFF interface
86 when configured into a legacy compatibility mode.
87
88 For users with exclusively modern controllers like AHCI,
89 Silicon Image 3124, or Marvell 6440, you may choose to
90 disable this uneeded SFF support.
91
92 If unsure, say Y.
93
94if ATA_SFF
95
52config SATA_SVW 96config SATA_SVW
53 tristate "ServerWorks Frodo / Apple K2 SATA support" 97 tristate "ServerWorks Frodo / Apple K2 SATA support"
54 depends on PCI 98 depends on PCI
@@ -125,14 +169,6 @@ config SATA_SIL
125 169
126 If unsure, say N. 170 If unsure, say N.
127 171
128config SATA_SIL24
129 tristate "Silicon Image 3124/3132 SATA support"
130 depends on PCI
131 help
132 This option enables support for Silicon Image 3124/3132 Serial ATA.
133
134 If unsure, say N.
135
136config SATA_SIS 172config SATA_SIS
137 tristate "SiS 964/965/966/180 SATA support" 173 tristate "SiS 964/965/966/180 SATA support"
138 depends on PCI 174 depends on PCI
@@ -183,15 +219,6 @@ config PATA_ACPI
183 firmware in the BIOS. This driver can sometimes handle 219 firmware in the BIOS. This driver can sometimes handle
184 otherwise unsupported hardware. 220 otherwise unsupported hardware.
185 221
186config SATA_FSL
187 tristate "Freescale 3.0Gbps SATA support"
188 depends on FSL_SOC
189 help
190 This option enables support for Freescale 3.0Gbps SATA controller.
191 It can be found on MPC837x and MPC8315.
192
193 If unsure, say N.
194
195config PATA_ALI 222config PATA_ALI
196 tristate "ALi PATA support (Experimental)" 223 tristate "ALi PATA support (Experimental)"
197 depends on PCI && EXPERIMENTAL 224 depends on PCI && EXPERIMENTAL
@@ -679,4 +706,5 @@ config PATA_BF54X
679 706
680 If unsure, say N. 707 If unsure, say N.
681 708
709endif # ATA_SFF
682endif # ATA 710endif # ATA
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 0511e6f0bb58..1fbc2aa648b7 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -78,6 +78,7 @@ obj-$(CONFIG_ATA_GENERIC) += ata_generic.o
78# Should be last libata driver 78# Should be last libata driver
79obj-$(CONFIG_PATA_LEGACY) += pata_legacy.o 79obj-$(CONFIG_PATA_LEGACY) += pata_legacy.o
80 80
81libata-objs := libata-core.o libata-scsi.o libata-sff.o libata-eh.o \ 81libata-objs := libata-core.o libata-scsi.o libata-eh.o
82 libata-pmp.o 82libata-$(CONFIG_ATA_SFF) += libata-sff.o
83libata-$(CONFIG_SATA_PMP) += libata-pmp.o
83libata-$(CONFIG_ATA_ACPI) += libata-acpi.o 84libata-$(CONFIG_ATA_ACPI) += libata-acpi.o
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index b1eb4e24c86a..739ba3f222e8 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -62,7 +62,6 @@ enum {
62 AHCI_MAX_PORTS = 32, 62 AHCI_MAX_PORTS = 32,
63 AHCI_MAX_SG = 168, /* hardware max is 64K */ 63 AHCI_MAX_SG = 168, /* hardware max is 64K */
64 AHCI_DMA_BOUNDARY = 0xffffffff, 64 AHCI_DMA_BOUNDARY = 0xffffffff,
65 AHCI_USE_CLUSTERING = 1,
66 AHCI_MAX_CMDS = 32, 65 AHCI_MAX_CMDS = 32,
67 AHCI_CMD_SZ = 32, 66 AHCI_CMD_SZ = 32,
68 AHCI_CMD_SLOT_SZ = AHCI_MAX_CMDS * AHCI_CMD_SZ, 67 AHCI_CMD_SLOT_SZ = AHCI_MAX_CMDS * AHCI_CMD_SZ,
@@ -198,7 +197,6 @@ enum {
198 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | 197 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
199 ATA_FLAG_ACPI_SATA | ATA_FLAG_AN | 198 ATA_FLAG_ACPI_SATA | ATA_FLAG_AN |
200 ATA_FLAG_IPM, 199 ATA_FLAG_IPM,
201 AHCI_LFLAG_COMMON = ATA_LFLAG_SKIP_D2H_BSY,
202 200
203 ICH_MAP = 0x90, /* ICH MAP register */ 201 ICH_MAP = 0x90, /* ICH MAP register */
204}; 202};
@@ -245,19 +243,24 @@ static int ahci_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
245static int ahci_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val); 243static int ahci_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val);
246static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); 244static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
247static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc); 245static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
248static void ahci_irq_clear(struct ata_port *ap); 246static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
249static int ahci_port_start(struct ata_port *ap); 247static int ahci_port_start(struct ata_port *ap);
250static void ahci_port_stop(struct ata_port *ap); 248static void ahci_port_stop(struct ata_port *ap);
251static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
252static void ahci_qc_prep(struct ata_queued_cmd *qc); 249static void ahci_qc_prep(struct ata_queued_cmd *qc);
253static u8 ahci_check_status(struct ata_port *ap);
254static void ahci_freeze(struct ata_port *ap); 250static void ahci_freeze(struct ata_port *ap);
255static void ahci_thaw(struct ata_port *ap); 251static void ahci_thaw(struct ata_port *ap);
256static void ahci_pmp_attach(struct ata_port *ap); 252static void ahci_pmp_attach(struct ata_port *ap);
257static void ahci_pmp_detach(struct ata_port *ap); 253static void ahci_pmp_detach(struct ata_port *ap);
254static int ahci_softreset(struct ata_link *link, unsigned int *class,
255 unsigned long deadline);
256static int ahci_hardreset(struct ata_link *link, unsigned int *class,
257 unsigned long deadline);
258static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
259 unsigned long deadline);
260static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
261 unsigned long deadline);
262static void ahci_postreset(struct ata_link *link, unsigned int *class);
258static void ahci_error_handler(struct ata_port *ap); 263static void ahci_error_handler(struct ata_port *ap);
259static void ahci_vt8251_error_handler(struct ata_port *ap);
260static void ahci_p5wdh_error_handler(struct ata_port *ap);
261static void ahci_post_internal_cmd(struct ata_queued_cmd *qc); 264static void ahci_post_internal_cmd(struct ata_queued_cmd *qc);
262static int ahci_port_resume(struct ata_port *ap); 265static int ahci_port_resume(struct ata_port *ap);
263static void ahci_dev_config(struct ata_device *dev); 266static void ahci_dev_config(struct ata_device *dev);
@@ -276,129 +279,54 @@ static struct class_device_attribute *ahci_shost_attrs[] = {
276}; 279};
277 280
278static struct scsi_host_template ahci_sht = { 281static struct scsi_host_template ahci_sht = {
279 .module = THIS_MODULE, 282 ATA_NCQ_SHT(DRV_NAME),
280 .name = DRV_NAME,
281 .ioctl = ata_scsi_ioctl,
282 .queuecommand = ata_scsi_queuecmd,
283 .change_queue_depth = ata_scsi_change_queue_depth,
284 .can_queue = AHCI_MAX_CMDS - 1, 283 .can_queue = AHCI_MAX_CMDS - 1,
285 .this_id = ATA_SHT_THIS_ID,
286 .sg_tablesize = AHCI_MAX_SG, 284 .sg_tablesize = AHCI_MAX_SG,
287 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
288 .emulated = ATA_SHT_EMULATED,
289 .use_clustering = AHCI_USE_CLUSTERING,
290 .proc_name = DRV_NAME,
291 .dma_boundary = AHCI_DMA_BOUNDARY, 285 .dma_boundary = AHCI_DMA_BOUNDARY,
292 .slave_configure = ata_scsi_slave_config,
293 .slave_destroy = ata_scsi_slave_destroy,
294 .bios_param = ata_std_bios_param,
295 .shost_attrs = ahci_shost_attrs, 286 .shost_attrs = ahci_shost_attrs,
296}; 287};
297 288
298static const struct ata_port_operations ahci_ops = { 289static struct ata_port_operations ahci_ops = {
299 .check_status = ahci_check_status, 290 .inherits = &sata_pmp_port_ops,
300 .check_altstatus = ahci_check_status,
301 .dev_select = ata_noop_dev_select,
302
303 .dev_config = ahci_dev_config,
304
305 .tf_read = ahci_tf_read,
306 291
307 .qc_defer = sata_pmp_qc_defer_cmd_switch, 292 .qc_defer = sata_pmp_qc_defer_cmd_switch,
308 .qc_prep = ahci_qc_prep, 293 .qc_prep = ahci_qc_prep,
309 .qc_issue = ahci_qc_issue, 294 .qc_issue = ahci_qc_issue,
310 295 .qc_fill_rtf = ahci_qc_fill_rtf,
311 .irq_clear = ahci_irq_clear,
312
313 .scr_read = ahci_scr_read,
314 .scr_write = ahci_scr_write,
315 296
316 .freeze = ahci_freeze, 297 .freeze = ahci_freeze,
317 .thaw = ahci_thaw, 298 .thaw = ahci_thaw,
318 299 .softreset = ahci_softreset,
300 .hardreset = ahci_hardreset,
301 .postreset = ahci_postreset,
302 .pmp_softreset = ahci_softreset,
319 .error_handler = ahci_error_handler, 303 .error_handler = ahci_error_handler,
320 .post_internal_cmd = ahci_post_internal_cmd, 304 .post_internal_cmd = ahci_post_internal_cmd,
321 305 .dev_config = ahci_dev_config,
322 .pmp_attach = ahci_pmp_attach,
323 .pmp_detach = ahci_pmp_detach,
324
325#ifdef CONFIG_PM
326 .port_suspend = ahci_port_suspend,
327 .port_resume = ahci_port_resume,
328#endif
329 .enable_pm = ahci_enable_alpm,
330 .disable_pm = ahci_disable_alpm,
331
332 .port_start = ahci_port_start,
333 .port_stop = ahci_port_stop,
334};
335
336static const struct ata_port_operations ahci_vt8251_ops = {
337 .check_status = ahci_check_status,
338 .check_altstatus = ahci_check_status,
339 .dev_select = ata_noop_dev_select,
340
341 .tf_read = ahci_tf_read,
342
343 .qc_defer = sata_pmp_qc_defer_cmd_switch,
344 .qc_prep = ahci_qc_prep,
345 .qc_issue = ahci_qc_issue,
346
347 .irq_clear = ahci_irq_clear,
348 306
349 .scr_read = ahci_scr_read, 307 .scr_read = ahci_scr_read,
350 .scr_write = ahci_scr_write, 308 .scr_write = ahci_scr_write,
351
352 .freeze = ahci_freeze,
353 .thaw = ahci_thaw,
354
355 .error_handler = ahci_vt8251_error_handler,
356 .post_internal_cmd = ahci_post_internal_cmd,
357
358 .pmp_attach = ahci_pmp_attach, 309 .pmp_attach = ahci_pmp_attach,
359 .pmp_detach = ahci_pmp_detach, 310 .pmp_detach = ahci_pmp_detach,
360 311
312 .enable_pm = ahci_enable_alpm,
313 .disable_pm = ahci_disable_alpm,
361#ifdef CONFIG_PM 314#ifdef CONFIG_PM
362 .port_suspend = ahci_port_suspend, 315 .port_suspend = ahci_port_suspend,
363 .port_resume = ahci_port_resume, 316 .port_resume = ahci_port_resume,
364#endif 317#endif
365
366 .port_start = ahci_port_start, 318 .port_start = ahci_port_start,
367 .port_stop = ahci_port_stop, 319 .port_stop = ahci_port_stop,
368}; 320};
369 321
370static const struct ata_port_operations ahci_p5wdh_ops = { 322static struct ata_port_operations ahci_vt8251_ops = {
371 .check_status = ahci_check_status, 323 .inherits = &ahci_ops,
372 .check_altstatus = ahci_check_status, 324 .hardreset = ahci_vt8251_hardreset,
373 .dev_select = ata_noop_dev_select, 325};
374
375 .tf_read = ahci_tf_read,
376
377 .qc_defer = sata_pmp_qc_defer_cmd_switch,
378 .qc_prep = ahci_qc_prep,
379 .qc_issue = ahci_qc_issue,
380
381 .irq_clear = ahci_irq_clear,
382
383 .scr_read = ahci_scr_read,
384 .scr_write = ahci_scr_write,
385
386 .freeze = ahci_freeze,
387 .thaw = ahci_thaw,
388
389 .error_handler = ahci_p5wdh_error_handler,
390 .post_internal_cmd = ahci_post_internal_cmd,
391
392 .pmp_attach = ahci_pmp_attach,
393 .pmp_detach = ahci_pmp_detach,
394
395#ifdef CONFIG_PM
396 .port_suspend = ahci_port_suspend,
397 .port_resume = ahci_port_resume,
398#endif
399 326
400 .port_start = ahci_port_start, 327static struct ata_port_operations ahci_p5wdh_ops = {
401 .port_stop = ahci_port_stop, 328 .inherits = &ahci_ops,
329 .hardreset = ahci_p5wdh_hardreset,
402}; 330};
403 331
404#define AHCI_HFLAGS(flags) .private_data = (void *)(flags) 332#define AHCI_HFLAGS(flags) .private_data = (void *)(flags)
@@ -407,7 +335,6 @@ static const struct ata_port_info ahci_port_info[] = {
407 /* board_ahci */ 335 /* board_ahci */
408 { 336 {
409 .flags = AHCI_FLAG_COMMON, 337 .flags = AHCI_FLAG_COMMON,
410 .link_flags = AHCI_LFLAG_COMMON,
411 .pio_mask = 0x1f, /* pio0-4 */ 338 .pio_mask = 0x1f, /* pio0-4 */
412 .udma_mask = ATA_UDMA6, 339 .udma_mask = ATA_UDMA6,
413 .port_ops = &ahci_ops, 340 .port_ops = &ahci_ops,
@@ -416,7 +343,6 @@ static const struct ata_port_info ahci_port_info[] = {
416 { 343 {
417 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP), 344 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
418 .flags = AHCI_FLAG_COMMON, 345 .flags = AHCI_FLAG_COMMON,
419 .link_flags = AHCI_LFLAG_COMMON | ATA_LFLAG_HRST_TO_RESUME,
420 .pio_mask = 0x1f, /* pio0-4 */ 346 .pio_mask = 0x1f, /* pio0-4 */
421 .udma_mask = ATA_UDMA6, 347 .udma_mask = ATA_UDMA6,
422 .port_ops = &ahci_vt8251_ops, 348 .port_ops = &ahci_vt8251_ops,
@@ -425,7 +351,6 @@ static const struct ata_port_info ahci_port_info[] = {
425 { 351 {
426 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR), 352 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
427 .flags = AHCI_FLAG_COMMON, 353 .flags = AHCI_FLAG_COMMON,
428 .link_flags = AHCI_LFLAG_COMMON,
429 .pio_mask = 0x1f, /* pio0-4 */ 354 .pio_mask = 0x1f, /* pio0-4 */
430 .udma_mask = ATA_UDMA6, 355 .udma_mask = ATA_UDMA6,
431 .port_ops = &ahci_ops, 356 .port_ops = &ahci_ops,
@@ -436,7 +361,6 @@ static const struct ata_port_info ahci_port_info[] = {
436 AHCI_HFLAG_32BIT_ONLY | 361 AHCI_HFLAG_32BIT_ONLY |
437 AHCI_HFLAG_SECT255 | AHCI_HFLAG_NO_PMP), 362 AHCI_HFLAG_SECT255 | AHCI_HFLAG_NO_PMP),
438 .flags = AHCI_FLAG_COMMON, 363 .flags = AHCI_FLAG_COMMON,
439 .link_flags = AHCI_LFLAG_COMMON,
440 .pio_mask = 0x1f, /* pio0-4 */ 364 .pio_mask = 0x1f, /* pio0-4 */
441 .udma_mask = ATA_UDMA6, 365 .udma_mask = ATA_UDMA6,
442 .port_ops = &ahci_ops, 366 .port_ops = &ahci_ops,
@@ -447,7 +371,6 @@ static const struct ata_port_info ahci_port_info[] = {
447 AHCI_HFLAG_MV_PATA), 371 AHCI_HFLAG_MV_PATA),
448 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 372 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
449 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA, 373 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
450 .link_flags = AHCI_LFLAG_COMMON,
451 .pio_mask = 0x1f, /* pio0-4 */ 374 .pio_mask = 0x1f, /* pio0-4 */
452 .udma_mask = ATA_UDMA6, 375 .udma_mask = ATA_UDMA6,
453 .port_ops = &ahci_ops, 376 .port_ops = &ahci_ops,
@@ -457,7 +380,6 @@ static const struct ata_port_info ahci_port_info[] = {
457 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | 380 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
458 AHCI_HFLAG_NO_PMP), 381 AHCI_HFLAG_NO_PMP),
459 .flags = AHCI_FLAG_COMMON, 382 .flags = AHCI_FLAG_COMMON,
460 .link_flags = AHCI_LFLAG_COMMON,
461 .pio_mask = 0x1f, /* pio0-4 */ 383 .pio_mask = 0x1f, /* pio0-4 */
462 .udma_mask = ATA_UDMA6, 384 .udma_mask = ATA_UDMA6,
463 .port_ops = &ahci_ops, 385 .port_ops = &ahci_ops,
@@ -1255,13 +1177,14 @@ static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
1255 1177
1256static int ahci_kick_engine(struct ata_port *ap, int force_restart) 1178static int ahci_kick_engine(struct ata_port *ap, int force_restart)
1257{ 1179{
1258 void __iomem *port_mmio = ap->ioaddr.cmd_addr; 1180 void __iomem *port_mmio = ahci_port_base(ap);
1259 struct ahci_host_priv *hpriv = ap->host->private_data; 1181 struct ahci_host_priv *hpriv = ap->host->private_data;
1182 u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
1260 u32 tmp; 1183 u32 tmp;
1261 int busy, rc; 1184 int busy, rc;
1262 1185
1263 /* do we need to kick the port? */ 1186 /* do we need to kick the port? */
1264 busy = ahci_check_status(ap) & (ATA_BUSY | ATA_DRQ); 1187 busy = status & (ATA_BUSY | ATA_DRQ);
1265 if (!busy && !force_restart) 1188 if (!busy && !force_restart)
1266 return 0; 1189 return 0;
1267 1190
@@ -1328,10 +1251,21 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
1328 return 0; 1251 return 0;
1329} 1252}
1330 1253
1331static int ahci_do_softreset(struct ata_link *link, unsigned int *class, 1254static int ahci_check_ready(struct ata_link *link)
1332 int pmp, unsigned long deadline) 1255{
1256 void __iomem *port_mmio = ahci_port_base(link->ap);
1257 u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
1258
1259 if (!(status & ATA_BUSY))
1260 return 1;
1261 return 0;
1262}
1263
1264static int ahci_softreset(struct ata_link *link, unsigned int *class,
1265 unsigned long deadline)
1333{ 1266{
1334 struct ata_port *ap = link->ap; 1267 struct ata_port *ap = link->ap;
1268 int pmp = sata_srst_pmp(link);
1335 const char *reason = NULL; 1269 const char *reason = NULL;
1336 unsigned long now, msecs; 1270 unsigned long now, msecs;
1337 struct ata_taskfile tf; 1271 struct ata_taskfile tf;
@@ -1339,12 +1273,6 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
1339 1273
1340 DPRINTK("ENTER\n"); 1274 DPRINTK("ENTER\n");
1341 1275
1342 if (ata_link_offline(link)) {
1343 DPRINTK("PHY reports no device\n");
1344 *class = ATA_DEV_NONE;
1345 return 0;
1346 }
1347
1348 /* prepare for SRST (AHCI-1.1 10.4.1) */ 1276 /* prepare for SRST (AHCI-1.1 10.4.1) */
1349 rc = ahci_kick_engine(ap, 1); 1277 rc = ahci_kick_engine(ap, 1);
1350 if (rc && rc != -EOPNOTSUPP) 1278 if (rc && rc != -EOPNOTSUPP)
@@ -1374,10 +1302,8 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
1374 tf.ctl &= ~ATA_SRST; 1302 tf.ctl &= ~ATA_SRST;
1375 ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0); 1303 ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0);
1376 1304
1377 /* wait a while before checking status */ 1305 /* wait for link to become ready */
1378 ata_wait_after_reset(ap, deadline); 1306 rc = ata_wait_after_reset(link, deadline, ahci_check_ready);
1379
1380 rc = ata_wait_ready(ap, deadline);
1381 /* link occupied, -ENODEV too is an error */ 1307 /* link occupied, -ENODEV too is an error */
1382 if (rc) { 1308 if (rc) {
1383 reason = "device not ready"; 1309 reason = "device not ready";
@@ -1393,24 +1319,15 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
1393 return rc; 1319 return rc;
1394} 1320}
1395 1321
1396static int ahci_softreset(struct ata_link *link, unsigned int *class,
1397 unsigned long deadline)
1398{
1399 int pmp = 0;
1400
1401 if (link->ap->flags & ATA_FLAG_PMP)
1402 pmp = SATA_PMP_CTRL_PORT;
1403
1404 return ahci_do_softreset(link, class, pmp, deadline);
1405}
1406
1407static int ahci_hardreset(struct ata_link *link, unsigned int *class, 1322static int ahci_hardreset(struct ata_link *link, unsigned int *class,
1408 unsigned long deadline) 1323 unsigned long deadline)
1409{ 1324{
1325 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
1410 struct ata_port *ap = link->ap; 1326 struct ata_port *ap = link->ap;
1411 struct ahci_port_priv *pp = ap->private_data; 1327 struct ahci_port_priv *pp = ap->private_data;
1412 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; 1328 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
1413 struct ata_taskfile tf; 1329 struct ata_taskfile tf;
1330 bool online;
1414 int rc; 1331 int rc;
1415 1332
1416 DPRINTK("ENTER\n"); 1333 DPRINTK("ENTER\n");
@@ -1422,14 +1339,13 @@ static int ahci_hardreset(struct ata_link *link, unsigned int *class,
1422 tf.command = 0x80; 1339 tf.command = 0x80;
1423 ata_tf_to_fis(&tf, 0, 0, d2h_fis); 1340 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
1424 1341
1425 rc = sata_std_hardreset(link, class, deadline); 1342 rc = sata_link_hardreset(link, timing, deadline, &online,
1343 ahci_check_ready);
1426 1344
1427 ahci_start_engine(ap); 1345 ahci_start_engine(ap);
1428 1346
1429 if (rc == 0 && ata_link_online(link)) 1347 if (online)
1430 *class = ahci_dev_classify(ap); 1348 *class = ahci_dev_classify(ap);
1431 if (rc != -EAGAIN && *class == ATA_DEV_UNKNOWN)
1432 *class = ATA_DEV_NONE;
1433 1349
1434 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class); 1350 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
1435 return rc; 1351 return rc;
@@ -1439,7 +1355,7 @@ static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
1439 unsigned long deadline) 1355 unsigned long deadline)
1440{ 1356{
1441 struct ata_port *ap = link->ap; 1357 struct ata_port *ap = link->ap;
1442 u32 serror; 1358 bool online;
1443 int rc; 1359 int rc;
1444 1360
1445 DPRINTK("ENTER\n"); 1361 DPRINTK("ENTER\n");
@@ -1447,11 +1363,7 @@ static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
1447 ahci_stop_engine(ap); 1363 ahci_stop_engine(ap);
1448 1364
1449 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), 1365 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
1450 deadline); 1366 deadline, &online, NULL);
1451
1452 /* vt8251 needs SError cleared for the port to operate */
1453 ahci_scr_read(ap, SCR_ERROR, &serror);
1454 ahci_scr_write(ap, SCR_ERROR, serror);
1455 1367
1456 ahci_start_engine(ap); 1368 ahci_start_engine(ap);
1457 1369
@@ -1460,7 +1372,7 @@ static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
1460 /* vt8251 doesn't clear BSY on signature FIS reception, 1372 /* vt8251 doesn't clear BSY on signature FIS reception,
1461 * request follow-up softreset. 1373 * request follow-up softreset.
1462 */ 1374 */
1463 return rc ?: -EAGAIN; 1375 return online ? -EAGAIN : rc;
1464} 1376}
1465 1377
1466static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, 1378static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
@@ -1470,6 +1382,7 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
1470 struct ahci_port_priv *pp = ap->private_data; 1382 struct ahci_port_priv *pp = ap->private_data;
1471 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; 1383 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
1472 struct ata_taskfile tf; 1384 struct ata_taskfile tf;
1385 bool online;
1473 int rc; 1386 int rc;
1474 1387
1475 ahci_stop_engine(ap); 1388 ahci_stop_engine(ap);
@@ -1480,16 +1393,10 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
1480 ata_tf_to_fis(&tf, 0, 0, d2h_fis); 1393 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
1481 1394
1482 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), 1395 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
1483 deadline); 1396 deadline, &online, NULL);
1484 1397
1485 ahci_start_engine(ap); 1398 ahci_start_engine(ap);
1486 1399
1487 if (rc || ata_link_offline(link))
1488 return rc;
1489
1490 /* spec mandates ">= 2ms" before checking status */
1491 msleep(150);
1492
1493 /* The pseudo configuration device on SIMG4726 attached to 1400 /* The pseudo configuration device on SIMG4726 attached to
1494 * ASUS P5W-DH Deluxe doesn't send signature FIS after 1401 * ASUS P5W-DH Deluxe doesn't send signature FIS after
1495 * hardreset if no device is attached to the first downstream 1402 * hardreset if no device is attached to the first downstream
@@ -1503,11 +1410,13 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
1503 * have to be reset again. For most cases, this should 1410 * have to be reset again. For most cases, this should
1504 * suffice while making probing snappish enough. 1411 * suffice while making probing snappish enough.
1505 */ 1412 */
1506 rc = ata_wait_ready(ap, jiffies + 2 * HZ); 1413 if (online) {
1507 if (rc) 1414 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
1508 ahci_kick_engine(ap, 0); 1415 ahci_check_ready);
1509 1416 if (rc)
1510 return 0; 1417 ahci_kick_engine(ap, 0);
1418 }
1419 return rc;
1511} 1420}
1512 1421
1513static void ahci_postreset(struct ata_link *link, unsigned int *class) 1422static void ahci_postreset(struct ata_link *link, unsigned int *class)
@@ -1530,27 +1439,6 @@ static void ahci_postreset(struct ata_link *link, unsigned int *class)
1530 } 1439 }
1531} 1440}
1532 1441
1533static int ahci_pmp_softreset(struct ata_link *link, unsigned int *class,
1534 unsigned long deadline)
1535{
1536 return ahci_do_softreset(link, class, link->pmp, deadline);
1537}
1538
1539static u8 ahci_check_status(struct ata_port *ap)
1540{
1541 void __iomem *mmio = ap->ioaddr.cmd_addr;
1542
1543 return readl(mmio + PORT_TFDATA) & 0xFF;
1544}
1545
1546static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
1547{
1548 struct ahci_port_priv *pp = ap->private_data;
1549 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
1550
1551 ata_tf_from_fis(d2h_fis, tf);
1552}
1553
1554static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl) 1442static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl)
1555{ 1443{
1556 struct scatterlist *sg; 1444 struct scatterlist *sg;
@@ -1663,27 +1551,27 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
1663 u32 *unk = (u32 *)(pp->rx_fis + RX_FIS_UNK); 1551 u32 *unk = (u32 *)(pp->rx_fis + RX_FIS_UNK);
1664 1552
1665 active_ehi->err_mask |= AC_ERR_HSM; 1553 active_ehi->err_mask |= AC_ERR_HSM;
1666 active_ehi->action |= ATA_EH_SOFTRESET; 1554 active_ehi->action |= ATA_EH_RESET;
1667 ata_ehi_push_desc(active_ehi, 1555 ata_ehi_push_desc(active_ehi,
1668 "unknown FIS %08x %08x %08x %08x" , 1556 "unknown FIS %08x %08x %08x %08x" ,
1669 unk[0], unk[1], unk[2], unk[3]); 1557 unk[0], unk[1], unk[2], unk[3]);
1670 } 1558 }
1671 1559
1672 if (ap->nr_pmp_links && (irq_stat & PORT_IRQ_BAD_PMP)) { 1560 if (sata_pmp_attached(ap) && (irq_stat & PORT_IRQ_BAD_PMP)) {
1673 active_ehi->err_mask |= AC_ERR_HSM; 1561 active_ehi->err_mask |= AC_ERR_HSM;
1674 active_ehi->action |= ATA_EH_SOFTRESET; 1562 active_ehi->action |= ATA_EH_RESET;
1675 ata_ehi_push_desc(active_ehi, "incorrect PMP"); 1563 ata_ehi_push_desc(active_ehi, "incorrect PMP");
1676 } 1564 }
1677 1565
1678 if (irq_stat & (PORT_IRQ_HBUS_ERR | PORT_IRQ_HBUS_DATA_ERR)) { 1566 if (irq_stat & (PORT_IRQ_HBUS_ERR | PORT_IRQ_HBUS_DATA_ERR)) {
1679 host_ehi->err_mask |= AC_ERR_HOST_BUS; 1567 host_ehi->err_mask |= AC_ERR_HOST_BUS;
1680 host_ehi->action |= ATA_EH_SOFTRESET; 1568 host_ehi->action |= ATA_EH_RESET;
1681 ata_ehi_push_desc(host_ehi, "host bus error"); 1569 ata_ehi_push_desc(host_ehi, "host bus error");
1682 } 1570 }
1683 1571
1684 if (irq_stat & PORT_IRQ_IF_ERR) { 1572 if (irq_stat & PORT_IRQ_IF_ERR) {
1685 host_ehi->err_mask |= AC_ERR_ATA_BUS; 1573 host_ehi->err_mask |= AC_ERR_ATA_BUS;
1686 host_ehi->action |= ATA_EH_SOFTRESET; 1574 host_ehi->action |= ATA_EH_RESET;
1687 ata_ehi_push_desc(host_ehi, "interface fatal error"); 1575 ata_ehi_push_desc(host_ehi, "interface fatal error");
1688 } 1576 }
1689 1577
@@ -1704,7 +1592,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
1704 1592
1705static void ahci_port_intr(struct ata_port *ap) 1593static void ahci_port_intr(struct ata_port *ap)
1706{ 1594{
1707 void __iomem *port_mmio = ap->ioaddr.cmd_addr; 1595 void __iomem *port_mmio = ahci_port_base(ap);
1708 struct ata_eh_info *ehi = &ap->link.eh_info; 1596 struct ata_eh_info *ehi = &ap->link.eh_info;
1709 struct ahci_port_priv *pp = ap->private_data; 1597 struct ahci_port_priv *pp = ap->private_data;
1710 struct ahci_host_priv *hpriv = ap->host->private_data; 1598 struct ahci_host_priv *hpriv = ap->host->private_data;
@@ -1766,21 +1654,16 @@ static void ahci_port_intr(struct ata_port *ap)
1766 else 1654 else
1767 qc_active = readl(port_mmio + PORT_CMD_ISSUE); 1655 qc_active = readl(port_mmio + PORT_CMD_ISSUE);
1768 1656
1769 rc = ata_qc_complete_multiple(ap, qc_active, NULL); 1657 rc = ata_qc_complete_multiple(ap, qc_active);
1770 1658
1771 /* while resetting, invalid completions are expected */ 1659 /* while resetting, invalid completions are expected */
1772 if (unlikely(rc < 0 && !resetting)) { 1660 if (unlikely(rc < 0 && !resetting)) {
1773 ehi->err_mask |= AC_ERR_HSM; 1661 ehi->err_mask |= AC_ERR_HSM;
1774 ehi->action |= ATA_EH_SOFTRESET; 1662 ehi->action |= ATA_EH_RESET;
1775 ata_port_freeze(ap); 1663 ata_port_freeze(ap);
1776 } 1664 }
1777} 1665}
1778 1666
1779static void ahci_irq_clear(struct ata_port *ap)
1780{
1781 /* TODO */
1782}
1783
1784static irqreturn_t ahci_interrupt(int irq, void *dev_instance) 1667static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
1785{ 1668{
1786 struct ata_host *host = dev_instance; 1669 struct ata_host *host = dev_instance;
@@ -1854,6 +1737,15 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
1854 return 0; 1737 return 0;
1855} 1738}
1856 1739
1740static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
1741{
1742 struct ahci_port_priv *pp = qc->ap->private_data;
1743 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
1744
1745 ata_tf_from_fis(d2h_fis, &qc->result_tf);
1746 return true;
1747}
1748
1857static void ahci_freeze(struct ata_port *ap) 1749static void ahci_freeze(struct ata_port *ap)
1858{ 1750{
1859 void __iomem *port_mmio = ahci_port_base(ap); 1751 void __iomem *port_mmio = ahci_port_base(ap);
@@ -1886,37 +1778,7 @@ static void ahci_error_handler(struct ata_port *ap)
1886 ahci_start_engine(ap); 1778 ahci_start_engine(ap);
1887 } 1779 }
1888 1780
1889 /* perform recovery */ 1781 sata_pmp_error_handler(ap);
1890 sata_pmp_do_eh(ap, ata_std_prereset, ahci_softreset,
1891 ahci_hardreset, ahci_postreset,
1892 sata_pmp_std_prereset, ahci_pmp_softreset,
1893 sata_pmp_std_hardreset, sata_pmp_std_postreset);
1894}
1895
1896static void ahci_vt8251_error_handler(struct ata_port *ap)
1897{
1898 if (!(ap->pflags & ATA_PFLAG_FROZEN)) {
1899 /* restart engine */
1900 ahci_stop_engine(ap);
1901 ahci_start_engine(ap);
1902 }
1903
1904 /* perform recovery */
1905 ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_vt8251_hardreset,
1906 ahci_postreset);
1907}
1908
1909static void ahci_p5wdh_error_handler(struct ata_port *ap)
1910{
1911 if (!(ap->pflags & ATA_PFLAG_FROZEN)) {
1912 /* restart engine */
1913 ahci_stop_engine(ap);
1914 ahci_start_engine(ap);
1915 }
1916
1917 /* perform recovery */
1918 ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_p5wdh_hardreset,
1919 ahci_postreset);
1920} 1782}
1921 1783
1922static void ahci_post_internal_cmd(struct ata_queued_cmd *qc) 1784static void ahci_post_internal_cmd(struct ata_queued_cmd *qc)
@@ -1961,7 +1823,7 @@ static int ahci_port_resume(struct ata_port *ap)
1961 ahci_power_up(ap); 1823 ahci_power_up(ap);
1962 ahci_start_port(ap); 1824 ahci_start_port(ap);
1963 1825
1964 if (ap->nr_pmp_links) 1826 if (sata_pmp_attached(ap))
1965 ahci_pmp_attach(ap); 1827 ahci_pmp_attach(ap);
1966 else 1828 else
1967 ahci_pmp_detach(ap); 1829 ahci_pmp_detach(ap);
@@ -2324,7 +2186,6 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2324 2186
2325 for (i = 0; i < host->n_ports; i++) { 2187 for (i = 0; i < host->n_ports; i++) {
2326 struct ata_port *ap = host->ports[i]; 2188 struct ata_port *ap = host->ports[i];
2327 void __iomem *port_mmio = ahci_port_base(ap);
2328 2189
2329 ata_port_pbar_desc(ap, AHCI_PCI_BAR, -1, "abar"); 2190 ata_port_pbar_desc(ap, AHCI_PCI_BAR, -1, "abar");
2330 ata_port_pbar_desc(ap, AHCI_PCI_BAR, 2191 ata_port_pbar_desc(ap, AHCI_PCI_BAR,
@@ -2333,12 +2194,8 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2333 /* set initial link pm policy */ 2194 /* set initial link pm policy */
2334 ap->pm_policy = NOT_AVAILABLE; 2195 ap->pm_policy = NOT_AVAILABLE;
2335 2196
2336 /* standard SATA port setup */
2337 if (hpriv->port_map & (1 << i))
2338 ap->ioaddr.cmd_addr = port_mmio;
2339
2340 /* disabled/not-implemented port */ 2197 /* disabled/not-implemented port */
2341 else 2198 if (!(hpriv->port_map & (1 << i)))
2342 ap->ops = &ata_dummy_port_ops; 2199 ap->ops = &ata_dummy_port_ops;
2343 } 2200 }
2344 2201
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 20534202fc79..47aeccd52fa9 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -95,53 +95,13 @@ static int generic_set_mode(struct ata_link *link, struct ata_device **unused)
95} 95}
96 96
97static struct scsi_host_template generic_sht = { 97static struct scsi_host_template generic_sht = {
98 .module = THIS_MODULE, 98 ATA_BMDMA_SHT(DRV_NAME),
99 .name = DRV_NAME,
100 .ioctl = ata_scsi_ioctl,
101 .queuecommand = ata_scsi_queuecmd,
102 .can_queue = ATA_DEF_QUEUE,
103 .this_id = ATA_SHT_THIS_ID,
104 .sg_tablesize = LIBATA_MAX_PRD,
105 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
106 .emulated = ATA_SHT_EMULATED,
107 .use_clustering = ATA_SHT_USE_CLUSTERING,
108 .proc_name = DRV_NAME,
109 .dma_boundary = ATA_DMA_BOUNDARY,
110 .slave_configure = ata_scsi_slave_config,
111 .slave_destroy = ata_scsi_slave_destroy,
112 .bios_param = ata_std_bios_param,
113}; 99};
114 100
115static struct ata_port_operations generic_port_ops = { 101static struct ata_port_operations generic_port_ops = {
116 .set_mode = generic_set_mode, 102 .inherits = &ata_bmdma_port_ops,
117
118 .tf_load = ata_tf_load,
119 .tf_read = ata_tf_read,
120 .check_status = ata_check_status,
121 .exec_command = ata_exec_command,
122 .dev_select = ata_std_dev_select,
123
124 .bmdma_setup = ata_bmdma_setup,
125 .bmdma_start = ata_bmdma_start,
126 .bmdma_stop = ata_bmdma_stop,
127 .bmdma_status = ata_bmdma_status,
128
129 .data_xfer = ata_data_xfer,
130
131 .freeze = ata_bmdma_freeze,
132 .thaw = ata_bmdma_thaw,
133 .error_handler = ata_bmdma_error_handler,
134 .post_internal_cmd = ata_bmdma_post_internal_cmd,
135 .cable_detect = ata_cable_unknown, 103 .cable_detect = ata_cable_unknown,
136 104 .set_mode = generic_set_mode,
137 .qc_prep = ata_qc_prep,
138 .qc_issue = ata_qc_issue_prot,
139
140 .irq_handler = ata_interrupt,
141 .irq_clear = ata_bmdma_irq_clear,
142 .irq_on = ata_irq_on,
143
144 .port_start = ata_sff_port_start,
145}; 105};
146 106
147static int all_generic_ide; /* Set to claim all devices */ 107static int all_generic_ide; /* Set to claim all devices */
@@ -160,7 +120,6 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id
160{ 120{
161 u16 command; 121 u16 command;
162 static const struct ata_port_info info = { 122 static const struct ata_port_info info = {
163 .sht = &generic_sht,
164 .flags = ATA_FLAG_SLAVE_POSS, 123 .flags = ATA_FLAG_SLAVE_POSS,
165 .pio_mask = 0x1f, 124 .pio_mask = 0x1f,
166 .mwdma_mask = 0x07, 125 .mwdma_mask = 0x07,
@@ -191,9 +150,9 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id
191 return -ENODEV; 150 return -ENODEV;
192 151
193 if (dev->vendor == PCI_VENDOR_ID_AL) 152 if (dev->vendor == PCI_VENDOR_ID_AL)
194 ata_pci_clear_simplex(dev); 153 ata_pci_bmdma_clear_simplex(dev);
195 154
196 return ata_pci_init_one(dev, ppi); 155 return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL);
197} 156}
198 157
199static struct pci_device_id ata_generic[] = { 158static struct pci_device_id ata_generic[] = {
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index fae8404254c0..b7c38eeb498f 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -100,13 +100,11 @@ enum {
100 PIIX_IOCFG = 0x54, /* IDE I/O configuration register */ 100 PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
101 ICH5_PMR = 0x90, /* port mapping register */ 101 ICH5_PMR = 0x90, /* port mapping register */
102 ICH5_PCS = 0x92, /* port control and status */ 102 ICH5_PCS = 0x92, /* port control and status */
103 PIIX_SCC = 0x0A, /* sub-class code register */
104 PIIX_SIDPR_BAR = 5, 103 PIIX_SIDPR_BAR = 5,
105 PIIX_SIDPR_LEN = 16, 104 PIIX_SIDPR_LEN = 16,
106 PIIX_SIDPR_IDX = 0, 105 PIIX_SIDPR_IDX = 0,
107 PIIX_SIDPR_DATA = 4, 106 PIIX_SIDPR_DATA = 4,
108 107
109 PIIX_FLAG_AHCI = (1 << 27), /* AHCI possible */
110 PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */ 108 PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */
111 PIIX_FLAG_SIDPR = (1 << 29), /* SATA idx/data pair regs */ 109 PIIX_FLAG_SIDPR = (1 << 29), /* SATA idx/data pair regs */
112 110
@@ -140,12 +138,11 @@ enum piix_controller_ids {
140 ich_pata_100, /* ICH up to UDMA 100 */ 138 ich_pata_100, /* ICH up to UDMA 100 */
141 ich5_sata, 139 ich5_sata,
142 ich6_sata, 140 ich6_sata,
143 ich6_sata_ahci, 141 ich6m_sata,
144 ich6m_sata_ahci, 142 ich8_sata,
145 ich8_sata_ahci,
146 ich8_2port_sata, 143 ich8_2port_sata,
147 ich8m_apple_sata_ahci, /* locks up on second port enable */ 144 ich8m_apple_sata, /* locks up on second port enable */
148 tolapai_sata_ahci, 145 tolapai_sata,
149 piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ 146 piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */
150}; 147};
151 148
@@ -162,7 +159,7 @@ struct piix_host_priv {
162 159
163static int piix_init_one(struct pci_dev *pdev, 160static int piix_init_one(struct pci_dev *pdev,
164 const struct pci_device_id *ent); 161 const struct pci_device_id *ent);
165static void piix_pata_error_handler(struct ata_port *ap); 162static int piix_pata_prereset(struct ata_link *link, unsigned long deadline);
166static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev); 163static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev);
167static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev); 164static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev);
168static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev); 165static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev);
@@ -170,7 +167,6 @@ static int ich_pata_cable_detect(struct ata_port *ap);
170static u8 piix_vmw_bmdma_status(struct ata_port *ap); 167static u8 piix_vmw_bmdma_status(struct ata_port *ap);
171static int piix_sidpr_scr_read(struct ata_port *ap, unsigned int reg, u32 *val); 168static int piix_sidpr_scr_read(struct ata_port *ap, unsigned int reg, u32 *val);
172static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val); 169static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val);
173static void piix_sidpr_error_handler(struct ata_port *ap);
174#ifdef CONFIG_PM 170#ifdef CONFIG_PM
175static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); 171static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
176static int piix_pci_device_resume(struct pci_dev *pdev); 172static int piix_pci_device_resume(struct pci_dev *pdev);
@@ -236,25 +232,27 @@ static const struct pci_device_id piix_pci_tbl[] = {
236 /* 82801FB/FW (ICH6/ICH6W) */ 232 /* 82801FB/FW (ICH6/ICH6W) */
237 { 0x8086, 0x2651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata }, 233 { 0x8086, 0x2651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },
238 /* 82801FR/FRW (ICH6R/ICH6RW) */ 234 /* 82801FR/FRW (ICH6R/ICH6RW) */
239 { 0x8086, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, 235 { 0x8086, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },
240 /* 82801FBM ICH6M (ICH6R with only port 0 and 2 implemented) */ 236 /* 82801FBM ICH6M (ICH6R with only port 0 and 2 implemented).
241 { 0x8086, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci }, 237 * Attach iff the controller is in IDE mode. */
238 { 0x8086, 0x2653, PCI_ANY_ID, PCI_ANY_ID,
239 PCI_CLASS_STORAGE_IDE << 8, 0xffff00, ich6m_sata },
242 /* 82801GB/GR/GH (ICH7, identical to ICH6) */ 240 /* 82801GB/GR/GH (ICH7, identical to ICH6) */
243 { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, 241 { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },
244 /* 2801GBM/GHM (ICH7M, identical to ICH6M) */ 242 /* 2801GBM/GHM (ICH7M, identical to ICH6M) */
245 { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci }, 243 { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata },
246 /* Enterprise Southbridge 2 (631xESB/632xESB) */ 244 /* Enterprise Southbridge 2 (631xESB/632xESB) */
247 { 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, 245 { 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },
248 /* SATA Controller 1 IDE (ICH8) */ 246 /* SATA Controller 1 IDE (ICH8) */
249 { 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, 247 { 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
250 /* SATA Controller 2 IDE (ICH8) */ 248 /* SATA Controller 2 IDE (ICH8) */
251 { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, 249 { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
252 /* Mobile SATA Controller IDE (ICH8M) */ 250 /* Mobile SATA Controller IDE (ICH8M) */
253 { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, 251 { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
254 /* Mobile SATA Controller IDE (ICH8M), Apple */ 252 /* Mobile SATA Controller IDE (ICH8M), Apple */
255 { 0x8086, 0x2828, 0x106b, 0x00a0, 0, 0, ich8m_apple_sata_ahci }, 253 { 0x8086, 0x2828, 0x106b, 0x00a0, 0, 0, ich8m_apple_sata },
256 /* SATA Controller IDE (ICH9) */ 254 /* SATA Controller IDE (ICH9) */
257 { 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, 255 { 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
258 /* SATA Controller IDE (ICH9) */ 256 /* SATA Controller IDE (ICH9) */
259 { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, 257 { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
260 /* SATA Controller IDE (ICH9) */ 258 /* SATA Controller IDE (ICH9) */
@@ -264,15 +262,15 @@ static const struct pci_device_id piix_pci_tbl[] = {
264 /* SATA Controller IDE (ICH9M) */ 262 /* SATA Controller IDE (ICH9M) */
265 { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, 263 { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
266 /* SATA Controller IDE (ICH9M) */ 264 /* SATA Controller IDE (ICH9M) */
267 { 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, 265 { 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
268 /* SATA Controller IDE (Tolapai) */ 266 /* SATA Controller IDE (Tolapai) */
269 { 0x8086, 0x5028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, tolapai_sata_ahci }, 267 { 0x8086, 0x5028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, tolapai_sata },
270 /* SATA Controller IDE (ICH10) */ 268 /* SATA Controller IDE (ICH10) */
271 { 0x8086, 0x3a00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, 269 { 0x8086, 0x3a00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
272 /* SATA Controller IDE (ICH10) */ 270 /* SATA Controller IDE (ICH10) */
273 { 0x8086, 0x3a06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, 271 { 0x8086, 0x3a06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
274 /* SATA Controller IDE (ICH10) */ 272 /* SATA Controller IDE (ICH10) */
275 { 0x8086, 0x3a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, 273 { 0x8086, 0x3a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
276 /* SATA Controller IDE (ICH10) */ 274 /* SATA Controller IDE (ICH10) */
277 { 0x8086, 0x3a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, 275 { 0x8086, 0x3a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
278 276
@@ -291,170 +289,37 @@ static struct pci_driver piix_pci_driver = {
291}; 289};
292 290
293static struct scsi_host_template piix_sht = { 291static struct scsi_host_template piix_sht = {
294 .module = THIS_MODULE, 292 ATA_BMDMA_SHT(DRV_NAME),
295 .name = DRV_NAME,
296 .ioctl = ata_scsi_ioctl,
297 .queuecommand = ata_scsi_queuecmd,
298 .can_queue = ATA_DEF_QUEUE,
299 .this_id = ATA_SHT_THIS_ID,
300 .sg_tablesize = LIBATA_MAX_PRD,
301 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
302 .emulated = ATA_SHT_EMULATED,
303 .use_clustering = ATA_SHT_USE_CLUSTERING,
304 .proc_name = DRV_NAME,
305 .dma_boundary = ATA_DMA_BOUNDARY,
306 .slave_configure = ata_scsi_slave_config,
307 .slave_destroy = ata_scsi_slave_destroy,
308 .bios_param = ata_std_bios_param,
309}; 293};
310 294
311static const struct ata_port_operations piix_pata_ops = { 295static struct ata_port_operations piix_pata_ops = {
296 .inherits = &ata_bmdma_port_ops,
297 .cable_detect = ata_cable_40wire,
312 .set_piomode = piix_set_piomode, 298 .set_piomode = piix_set_piomode,
313 .set_dmamode = piix_set_dmamode, 299 .set_dmamode = piix_set_dmamode,
314 .mode_filter = ata_pci_default_filter, 300 .prereset = piix_pata_prereset,
315 301};
316 .tf_load = ata_tf_load,
317 .tf_read = ata_tf_read,
318 .check_status = ata_check_status,
319 .exec_command = ata_exec_command,
320 .dev_select = ata_std_dev_select,
321
322 .bmdma_setup = ata_bmdma_setup,
323 .bmdma_start = ata_bmdma_start,
324 .bmdma_stop = ata_bmdma_stop,
325 .bmdma_status = ata_bmdma_status,
326 .qc_prep = ata_qc_prep,
327 .qc_issue = ata_qc_issue_prot,
328 .data_xfer = ata_data_xfer,
329
330 .freeze = ata_bmdma_freeze,
331 .thaw = ata_bmdma_thaw,
332 .error_handler = piix_pata_error_handler,
333 .post_internal_cmd = ata_bmdma_post_internal_cmd,
334 .cable_detect = ata_cable_40wire,
335
336 .irq_clear = ata_bmdma_irq_clear,
337 .irq_on = ata_irq_on,
338 302
339 .port_start = ata_port_start, 303static struct ata_port_operations piix_vmw_ops = {
304 .inherits = &piix_pata_ops,
305 .bmdma_status = piix_vmw_bmdma_status,
340}; 306};
341 307
342static const struct ata_port_operations ich_pata_ops = { 308static struct ata_port_operations ich_pata_ops = {
343 .set_piomode = piix_set_piomode, 309 .inherits = &piix_pata_ops,
344 .set_dmamode = ich_set_dmamode,
345 .mode_filter = ata_pci_default_filter,
346
347 .tf_load = ata_tf_load,
348 .tf_read = ata_tf_read,
349 .check_status = ata_check_status,
350 .exec_command = ata_exec_command,
351 .dev_select = ata_std_dev_select,
352
353 .bmdma_setup = ata_bmdma_setup,
354 .bmdma_start = ata_bmdma_start,
355 .bmdma_stop = ata_bmdma_stop,
356 .bmdma_status = ata_bmdma_status,
357 .qc_prep = ata_qc_prep,
358 .qc_issue = ata_qc_issue_prot,
359 .data_xfer = ata_data_xfer,
360
361 .freeze = ata_bmdma_freeze,
362 .thaw = ata_bmdma_thaw,
363 .error_handler = piix_pata_error_handler,
364 .post_internal_cmd = ata_bmdma_post_internal_cmd,
365 .cable_detect = ich_pata_cable_detect, 310 .cable_detect = ich_pata_cable_detect,
366 311 .set_dmamode = ich_set_dmamode,
367 .irq_clear = ata_bmdma_irq_clear,
368 .irq_on = ata_irq_on,
369
370 .port_start = ata_port_start,
371}; 312};
372 313
373static const struct ata_port_operations piix_sata_ops = { 314static struct ata_port_operations piix_sata_ops = {
374 .tf_load = ata_tf_load, 315 .inherits = &ata_bmdma_port_ops,
375 .tf_read = ata_tf_read,
376 .check_status = ata_check_status,
377 .exec_command = ata_exec_command,
378 .dev_select = ata_std_dev_select,
379
380 .bmdma_setup = ata_bmdma_setup,
381 .bmdma_start = ata_bmdma_start,
382 .bmdma_stop = ata_bmdma_stop,
383 .bmdma_status = ata_bmdma_status,
384 .qc_prep = ata_qc_prep,
385 .qc_issue = ata_qc_issue_prot,
386 .data_xfer = ata_data_xfer,
387
388 .freeze = ata_bmdma_freeze,
389 .thaw = ata_bmdma_thaw,
390 .error_handler = ata_bmdma_error_handler,
391 .post_internal_cmd = ata_bmdma_post_internal_cmd,
392
393 .irq_clear = ata_bmdma_irq_clear,
394 .irq_on = ata_irq_on,
395
396 .port_start = ata_port_start,
397}; 316};
398 317
399static const struct ata_port_operations piix_vmw_ops = { 318static struct ata_port_operations piix_sidpr_sata_ops = {
400 .set_piomode = piix_set_piomode, 319 .inherits = &piix_sata_ops,
401 .set_dmamode = piix_set_dmamode, 320 .hardreset = sata_std_hardreset,
402 .mode_filter = ata_pci_default_filter,
403
404 .tf_load = ata_tf_load,
405 .tf_read = ata_tf_read,
406 .check_status = ata_check_status,
407 .exec_command = ata_exec_command,
408 .dev_select = ata_std_dev_select,
409
410 .bmdma_setup = ata_bmdma_setup,
411 .bmdma_start = ata_bmdma_start,
412 .bmdma_stop = ata_bmdma_stop,
413 .bmdma_status = piix_vmw_bmdma_status,
414 .qc_prep = ata_qc_prep,
415 .qc_issue = ata_qc_issue_prot,
416 .data_xfer = ata_data_xfer,
417
418 .freeze = ata_bmdma_freeze,
419 .thaw = ata_bmdma_thaw,
420 .error_handler = piix_pata_error_handler,
421 .post_internal_cmd = ata_bmdma_post_internal_cmd,
422 .cable_detect = ata_cable_40wire,
423
424 .irq_handler = ata_interrupt,
425 .irq_clear = ata_bmdma_irq_clear,
426 .irq_on = ata_irq_on,
427
428 .port_start = ata_port_start,
429};
430
431static const struct ata_port_operations piix_sidpr_sata_ops = {
432 .tf_load = ata_tf_load,
433 .tf_read = ata_tf_read,
434 .check_status = ata_check_status,
435 .exec_command = ata_exec_command,
436 .dev_select = ata_std_dev_select,
437
438 .bmdma_setup = ata_bmdma_setup,
439 .bmdma_start = ata_bmdma_start,
440 .bmdma_stop = ata_bmdma_stop,
441 .bmdma_status = ata_bmdma_status,
442 .qc_prep = ata_qc_prep,
443 .qc_issue = ata_qc_issue_prot,
444 .data_xfer = ata_data_xfer,
445
446 .scr_read = piix_sidpr_scr_read, 321 .scr_read = piix_sidpr_scr_read,
447 .scr_write = piix_sidpr_scr_write, 322 .scr_write = piix_sidpr_scr_write,
448
449 .freeze = ata_bmdma_freeze,
450 .thaw = ata_bmdma_thaw,
451 .error_handler = piix_sidpr_error_handler,
452 .post_internal_cmd = ata_bmdma_post_internal_cmd,
453
454 .irq_clear = ata_bmdma_irq_clear,
455 .irq_on = ata_irq_on,
456
457 .port_start = ata_port_start,
458}; 323};
459 324
460static const struct piix_map_db ich5_map_db = { 325static const struct piix_map_db ich5_map_db = {
@@ -553,12 +418,11 @@ static const struct piix_map_db tolapai_map_db = {
553static const struct piix_map_db *piix_map_db_table[] = { 418static const struct piix_map_db *piix_map_db_table[] = {
554 [ich5_sata] = &ich5_map_db, 419 [ich5_sata] = &ich5_map_db,
555 [ich6_sata] = &ich6_map_db, 420 [ich6_sata] = &ich6_map_db,
556 [ich6_sata_ahci] = &ich6_map_db, 421 [ich6m_sata] = &ich6m_map_db,
557 [ich6m_sata_ahci] = &ich6m_map_db, 422 [ich8_sata] = &ich8_map_db,
558 [ich8_sata_ahci] = &ich8_map_db,
559 [ich8_2port_sata] = &ich8_2port_map_db, 423 [ich8_2port_sata] = &ich8_2port_map_db,
560 [ich8m_apple_sata_ahci] = &ich8m_apple_map_db, 424 [ich8m_apple_sata] = &ich8m_apple_map_db,
561 [tolapai_sata_ahci] = &tolapai_map_db, 425 [tolapai_sata] = &tolapai_map_db,
562}; 426};
563 427
564static struct ata_port_info piix_port_info[] = { 428static struct ata_port_info piix_port_info[] = {
@@ -624,28 +488,18 @@ static struct ata_port_info piix_port_info[] = {
624 .port_ops = &piix_sata_ops, 488 .port_ops = &piix_sata_ops,
625 }, 489 },
626 490
627 [ich6_sata_ahci] = 491 [ich6m_sata] =
628 {
629 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
630 .pio_mask = 0x1f, /* pio0-4 */
631 .mwdma_mask = 0x07, /* mwdma0-2 */
632 .udma_mask = ATA_UDMA6,
633 .port_ops = &piix_sata_ops,
634 },
635
636 [ich6m_sata_ahci] =
637 { 492 {
638 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI, 493 .flags = PIIX_SATA_FLAGS,
639 .pio_mask = 0x1f, /* pio0-4 */ 494 .pio_mask = 0x1f, /* pio0-4 */
640 .mwdma_mask = 0x07, /* mwdma0-2 */ 495 .mwdma_mask = 0x07, /* mwdma0-2 */
641 .udma_mask = ATA_UDMA6, 496 .udma_mask = ATA_UDMA6,
642 .port_ops = &piix_sata_ops, 497 .port_ops = &piix_sata_ops,
643 }, 498 },
644 499
645 [ich8_sata_ahci] = 500 [ich8_sata] =
646 { 501 {
647 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI | 502 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR,
648 PIIX_FLAG_SIDPR,
649 .pio_mask = 0x1f, /* pio0-4 */ 503 .pio_mask = 0x1f, /* pio0-4 */
650 .mwdma_mask = 0x07, /* mwdma0-2 */ 504 .mwdma_mask = 0x07, /* mwdma0-2 */
651 .udma_mask = ATA_UDMA6, 505 .udma_mask = ATA_UDMA6,
@@ -654,27 +508,25 @@ static struct ata_port_info piix_port_info[] = {
654 508
655 [ich8_2port_sata] = 509 [ich8_2port_sata] =
656 { 510 {
657 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI | 511 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR,
658 PIIX_FLAG_SIDPR,
659 .pio_mask = 0x1f, /* pio0-4 */ 512 .pio_mask = 0x1f, /* pio0-4 */
660 .mwdma_mask = 0x07, /* mwdma0-2 */ 513 .mwdma_mask = 0x07, /* mwdma0-2 */
661 .udma_mask = ATA_UDMA6, 514 .udma_mask = ATA_UDMA6,
662 .port_ops = &piix_sata_ops, 515 .port_ops = &piix_sata_ops,
663 }, 516 },
664 517
665 [tolapai_sata_ahci] = 518 [tolapai_sata] =
666 { 519 {
667 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI, 520 .flags = PIIX_SATA_FLAGS,
668 .pio_mask = 0x1f, /* pio0-4 */ 521 .pio_mask = 0x1f, /* pio0-4 */
669 .mwdma_mask = 0x07, /* mwdma0-2 */ 522 .mwdma_mask = 0x07, /* mwdma0-2 */
670 .udma_mask = ATA_UDMA6, 523 .udma_mask = ATA_UDMA6,
671 .port_ops = &piix_sata_ops, 524 .port_ops = &piix_sata_ops,
672 }, 525 },
673 526
674 [ich8m_apple_sata_ahci] = 527 [ich8m_apple_sata] =
675 { 528 {
676 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI | 529 .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR,
677 PIIX_FLAG_SIDPR,
678 .pio_mask = 0x1f, /* pio0-4 */ 530 .pio_mask = 0x1f, /* pio0-4 */
679 .mwdma_mask = 0x07, /* mwdma0-2 */ 531 .mwdma_mask = 0x07, /* mwdma0-2 */
680 .udma_mask = ATA_UDMA6, 532 .udma_mask = ATA_UDMA6,
@@ -683,7 +535,6 @@ static struct ata_port_info piix_port_info[] = {
683 535
684 [piix_pata_vmw] = 536 [piix_pata_vmw] =
685 { 537 {
686 .sht = &piix_sht,
687 .flags = PIIX_PATA_FLAGS, 538 .flags = PIIX_PATA_FLAGS,
688 .pio_mask = 0x1f, /* pio0-4 */ 539 .pio_mask = 0x1f, /* pio0-4 */
689 .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */ 540 .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
@@ -776,13 +627,7 @@ static int piix_pata_prereset(struct ata_link *link, unsigned long deadline)
776 627
777 if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no])) 628 if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))
778 return -ENOENT; 629 return -ENOENT;
779 return ata_std_prereset(link, deadline); 630 return ata_sff_prereset(link, deadline);
780}
781
782static void piix_pata_error_handler(struct ata_port *ap)
783{
784 ata_bmdma_drive_eh(ap, piix_pata_prereset, ata_std_softreset, NULL,
785 ata_std_postreset);
786} 631}
787 632
788/** 633/**
@@ -1168,35 +1013,6 @@ static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val)
1168 return 0; 1013 return 0;
1169} 1014}
1170 1015
1171static int piix_sidpr_hardreset(struct ata_link *link, unsigned int *class,
1172 unsigned long deadline)
1173{
1174 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
1175 int rc;
1176
1177 /* do hardreset */
1178 rc = sata_link_hardreset(link, timing, deadline);
1179 if (rc) {
1180 ata_link_printk(link, KERN_ERR,
1181 "COMRESET failed (errno=%d)\n", rc);
1182 return rc;
1183 }
1184
1185 /* TODO: phy layer with polling, timeouts, etc. */
1186 if (ata_link_offline(link)) {
1187 *class = ATA_DEV_NONE;
1188 return 0;
1189 }
1190
1191 return -EAGAIN;
1192}
1193
1194static void piix_sidpr_error_handler(struct ata_port *ap)
1195{
1196 ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset,
1197 piix_sidpr_hardreset, ata_std_postreset);
1198}
1199
1200#ifdef CONFIG_PM 1016#ifdef CONFIG_PM
1201static int piix_broken_suspend(void) 1017static int piix_broken_suspend(void)
1202{ 1018{
@@ -1633,6 +1449,16 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
1633 if (rc) 1449 if (rc)
1634 return rc; 1450 return rc;
1635 1451
1452 /* ICH6R may be driven by either ata_piix or ahci driver
1453 * regardless of BIOS configuration. Make sure AHCI mode is
1454 * off.
1455 */
1456 if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == 0x2652) {
1457 int rc = piix_disable_ahci(pdev);
1458 if (rc)
1459 return rc;
1460 }
1461
1636 /* SATA map init can change port_info, do it before prepping host */ 1462 /* SATA map init can change port_info, do it before prepping host */
1637 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); 1463 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1638 if (!hpriv) 1464 if (!hpriv)
@@ -1642,22 +1468,12 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
1642 hpriv->map = piix_init_sata_map(pdev, port_info, 1468 hpriv->map = piix_init_sata_map(pdev, port_info,
1643 piix_map_db_table[ent->driver_data]); 1469 piix_map_db_table[ent->driver_data]);
1644 1470
1645 rc = ata_pci_prepare_sff_host(pdev, ppi, &host); 1471 rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
1646 if (rc) 1472 if (rc)
1647 return rc; 1473 return rc;
1648 host->private_data = hpriv; 1474 host->private_data = hpriv;
1649 1475
1650 /* initialize controller */ 1476 /* initialize controller */
1651 if (port_flags & PIIX_FLAG_AHCI) {
1652 u8 tmp;
1653 pci_read_config_byte(pdev, PIIX_SCC, &tmp);
1654 if (tmp == PIIX_AHCI_DEVICE) {
1655 rc = piix_disable_ahci(pdev);
1656 if (rc)
1657 return rc;
1658 }
1659 }
1660
1661 if (port_flags & ATA_FLAG_SATA) { 1477 if (port_flags & ATA_FLAG_SATA) {
1662 piix_init_pcs(host, piix_map_db_table[ent->driver_data]); 1478 piix_init_pcs(host, piix_map_db_table[ent->driver_data]);
1663 piix_init_sidpr(host); 1479 piix_init_sidpr(host);
@@ -1686,7 +1502,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
1686 } 1502 }
1687 1503
1688 pci_set_master(pdev); 1504 pci_set_master(pdev);
1689 return ata_pci_activate_sff_host(host, ata_interrupt, &piix_sht); 1505 return ata_pci_sff_activate_host(host, ata_sff_interrupt, &piix_sht);
1690} 1506}
1691 1507
1692static int __init piix_init(void) 1508static int __init piix_init(void)
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index bf98a566adac..8c1cfc645c85 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -77,7 +77,7 @@ void ata_acpi_associate_sata_port(struct ata_port *ap)
77{ 77{
78 WARN_ON(!(ap->flags & ATA_FLAG_ACPI_SATA)); 78 WARN_ON(!(ap->flags & ATA_FLAG_ACPI_SATA));
79 79
80 if (!ap->nr_pmp_links) { 80 if (!sata_pmp_attached(ap)) {
81 acpi_integer adr = SATA_ADR(ap->port_no, NO_PORT_MULT); 81 acpi_integer adr = SATA_ADR(ap->port_no, NO_PORT_MULT);
82 82
83 ap->link.device->acpi_handle = 83 ap->link.device->acpi_handle =
@@ -839,7 +839,8 @@ void ata_acpi_on_resume(struct ata_port *ap)
839 */ 839 */
840 ata_link_for_each_dev(dev, &ap->link) { 840 ata_link_for_each_dev(dev, &ap->link) {
841 ata_acpi_clear_gtf(dev); 841 ata_acpi_clear_gtf(dev);
842 if (ata_dev_get_GTF(dev, NULL) >= 0) 842 if (ata_dev_enabled(dev) &&
843 ata_dev_get_GTF(dev, NULL) >= 0)
843 dev->flags |= ATA_DFLAG_ACPI_PENDING; 844 dev->flags |= ATA_DFLAG_ACPI_PENDING;
844 } 845 }
845 } else { 846 } else {
@@ -849,7 +850,8 @@ void ata_acpi_on_resume(struct ata_port *ap)
849 */ 850 */
850 ata_link_for_each_dev(dev, &ap->link) { 851 ata_link_for_each_dev(dev, &ap->link) {
851 ata_acpi_clear_gtf(dev); 852 ata_acpi_clear_gtf(dev);
852 dev->flags |= ATA_DFLAG_ACPI_PENDING; 853 if (ata_dev_enabled(dev))
854 dev->flags |= ATA_DFLAG_ACPI_PENDING;
853 } 855 }
854 } 856 }
855} 857}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index be95fdb69726..733eb94d055e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -46,7 +46,6 @@
46#include <linux/init.h> 46#include <linux/init.h>
47#include <linux/list.h> 47#include <linux/list.h>
48#include <linux/mm.h> 48#include <linux/mm.h>
49#include <linux/highmem.h>
50#include <linux/spinlock.h> 49#include <linux/spinlock.h>
51#include <linux/blkdev.h> 50#include <linux/blkdev.h>
52#include <linux/delay.h> 51#include <linux/delay.h>
@@ -74,6 +73,19 @@ const unsigned long sata_deb_timing_normal[] = { 5, 100, 2000 };
74const unsigned long sata_deb_timing_hotplug[] = { 25, 500, 2000 }; 73const unsigned long sata_deb_timing_hotplug[] = { 25, 500, 2000 };
75const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 }; 74const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 };
76 75
76const struct ata_port_operations ata_base_port_ops = {
77 .prereset = ata_std_prereset,
78 .postreset = ata_std_postreset,
79 .error_handler = ata_std_error_handler,
80};
81
82const struct ata_port_operations sata_port_ops = {
83 .inherits = &ata_base_port_ops,
84
85 .qc_defer = ata_std_qc_defer,
86 .hardreset = sata_std_hardreset,
87};
88
77static unsigned int ata_dev_init_params(struct ata_device *dev, 89static unsigned int ata_dev_init_params(struct ata_device *dev,
78 u16 heads, u16 sectors); 90 u16 heads, u16 sectors);
79static unsigned int ata_dev_set_xfermode(struct ata_device *dev); 91static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
@@ -1043,50 +1055,6 @@ static void ata_lpm_disable(struct ata_host *host)
1043} 1055}
1044#endif /* CONFIG_PM */ 1056#endif /* CONFIG_PM */
1045 1057
1046
1047/**
1048 * ata_devchk - PATA device presence detection
1049 * @ap: ATA channel to examine
1050 * @device: Device to examine (starting at zero)
1051 *
1052 * This technique was originally described in
1053 * Hale Landis's ATADRVR (www.ata-atapi.com), and
1054 * later found its way into the ATA/ATAPI spec.
1055 *
1056 * Write a pattern to the ATA shadow registers,
1057 * and if a device is present, it will respond by
1058 * correctly storing and echoing back the
1059 * ATA shadow register contents.
1060 *
1061 * LOCKING:
1062 * caller.
1063 */
1064
1065static unsigned int ata_devchk(struct ata_port *ap, unsigned int device)
1066{
1067 struct ata_ioports *ioaddr = &ap->ioaddr;
1068 u8 nsect, lbal;
1069
1070 ap->ops->dev_select(ap, device);
1071
1072 iowrite8(0x55, ioaddr->nsect_addr);
1073 iowrite8(0xaa, ioaddr->lbal_addr);
1074
1075 iowrite8(0xaa, ioaddr->nsect_addr);
1076 iowrite8(0x55, ioaddr->lbal_addr);
1077
1078 iowrite8(0x55, ioaddr->nsect_addr);
1079 iowrite8(0xaa, ioaddr->lbal_addr);
1080
1081 nsect = ioread8(ioaddr->nsect_addr);
1082 lbal = ioread8(ioaddr->lbal_addr);
1083
1084 if ((nsect == 0x55) && (lbal == 0xaa))
1085 return 1; /* we found a device */
1086
1087 return 0; /* nothing found */
1088}
1089
1090/** 1058/**
1091 * ata_dev_classify - determine device type based on ATA-spec signature 1059 * ata_dev_classify - determine device type based on ATA-spec signature
1092 * @tf: ATA taskfile register set for device to be identified 1060 * @tf: ATA taskfile register set for device to be identified
@@ -1147,75 +1115,6 @@ unsigned int ata_dev_classify(const struct ata_taskfile *tf)
1147} 1115}
1148 1116
1149/** 1117/**
1150 * ata_dev_try_classify - Parse returned ATA device signature
1151 * @dev: ATA device to classify (starting at zero)
1152 * @present: device seems present
1153 * @r_err: Value of error register on completion
1154 *
1155 * After an event -- SRST, E.D.D., or SATA COMRESET -- occurs,
1156 * an ATA/ATAPI-defined set of values is placed in the ATA
1157 * shadow registers, indicating the results of device detection
1158 * and diagnostics.
1159 *
1160 * Select the ATA device, and read the values from the ATA shadow
1161 * registers. Then parse according to the Error register value,
1162 * and the spec-defined values examined by ata_dev_classify().
1163 *
1164 * LOCKING:
1165 * caller.
1166 *
1167 * RETURNS:
1168 * Device type - %ATA_DEV_ATA, %ATA_DEV_ATAPI or %ATA_DEV_NONE.
1169 */
1170unsigned int ata_dev_try_classify(struct ata_device *dev, int present,
1171 u8 *r_err)
1172{
1173 struct ata_port *ap = dev->link->ap;
1174 struct ata_taskfile tf;
1175 unsigned int class;
1176 u8 err;
1177
1178 ap->ops->dev_select(ap, dev->devno);
1179
1180 memset(&tf, 0, sizeof(tf));
1181
1182 ap->ops->tf_read(ap, &tf);
1183 err = tf.feature;
1184 if (r_err)
1185 *r_err = err;
1186
1187 /* see if device passed diags: continue and warn later */
1188 if (err == 0)
1189 /* diagnostic fail : do nothing _YET_ */
1190 dev->horkage |= ATA_HORKAGE_DIAGNOSTIC;
1191 else if (err == 1)
1192 /* do nothing */ ;
1193 else if ((dev->devno == 0) && (err == 0x81))
1194 /* do nothing */ ;
1195 else
1196 return ATA_DEV_NONE;
1197
1198 /* determine if device is ATA or ATAPI */
1199 class = ata_dev_classify(&tf);
1200
1201 if (class == ATA_DEV_UNKNOWN) {
1202 /* If the device failed diagnostic, it's likely to
1203 * have reported incorrect device signature too.
1204 * Assume ATA device if the device seems present but
1205 * device signature is invalid with diagnostic
1206 * failure.
1207 */
1208 if (present && (dev->horkage & ATA_HORKAGE_DIAGNOSTIC))
1209 class = ATA_DEV_ATA;
1210 else
1211 class = ATA_DEV_NONE;
1212 } else if ((class == ATA_DEV_ATA) && (ata_chk_status(ap) == 0))
1213 class = ATA_DEV_NONE;
1214
1215 return class;
1216}
1217
1218/**
1219 * ata_id_string - Convert IDENTIFY DEVICE page into string 1118 * ata_id_string - Convert IDENTIFY DEVICE page into string
1220 * @id: IDENTIFY DEVICE results we will examine 1119 * @id: IDENTIFY DEVICE results we will examine
1221 * @s: string into which data is output 1120 * @s: string into which data is output
@@ -1293,7 +1192,7 @@ static u64 ata_id_n_sectors(const u16 *id)
1293 } 1192 }
1294} 1193}
1295 1194
1296static u64 ata_tf_to_lba48(struct ata_taskfile *tf) 1195u64 ata_tf_to_lba48(const struct ata_taskfile *tf)
1297{ 1196{
1298 u64 sectors = 0; 1197 u64 sectors = 0;
1299 1198
@@ -1304,10 +1203,10 @@ static u64 ata_tf_to_lba48(struct ata_taskfile *tf)
1304 sectors |= (tf->lbam & 0xff) << 8; 1203 sectors |= (tf->lbam & 0xff) << 8;
1305 sectors |= (tf->lbal & 0xff); 1204 sectors |= (tf->lbal & 0xff);
1306 1205
1307 return ++sectors; 1206 return sectors;
1308} 1207}
1309 1208
1310static u64 ata_tf_to_lba(struct ata_taskfile *tf) 1209u64 ata_tf_to_lba(const struct ata_taskfile *tf)
1311{ 1210{
1312 u64 sectors = 0; 1211 u64 sectors = 0;
1313 1212
@@ -1316,7 +1215,7 @@ static u64 ata_tf_to_lba(struct ata_taskfile *tf)
1316 sectors |= (tf->lbam & 0xff) << 8; 1215 sectors |= (tf->lbam & 0xff) << 8;
1317 sectors |= (tf->lbal & 0xff); 1216 sectors |= (tf->lbal & 0xff);
1318 1217
1319 return ++sectors; 1218 return sectors;
1320} 1219}
1321 1220
1322/** 1221/**
@@ -1361,9 +1260,9 @@ static int ata_read_native_max_address(struct ata_device *dev, u64 *max_sectors)
1361 } 1260 }
1362 1261
1363 if (lba48) 1262 if (lba48)
1364 *max_sectors = ata_tf_to_lba48(&tf); 1263 *max_sectors = ata_tf_to_lba48(&tf) + 1;
1365 else 1264 else
1366 *max_sectors = ata_tf_to_lba(&tf); 1265 *max_sectors = ata_tf_to_lba(&tf) + 1;
1367 if (dev->horkage & ATA_HORKAGE_HPA_SIZE) 1266 if (dev->horkage & ATA_HORKAGE_HPA_SIZE)
1368 (*max_sectors)--; 1267 (*max_sectors)--;
1369 return 0; 1268 return 0;
@@ -1523,89 +1422,6 @@ static int ata_hpa_resize(struct ata_device *dev)
1523} 1422}
1524 1423
1525/** 1424/**
1526 * ata_noop_dev_select - Select device 0/1 on ATA bus
1527 * @ap: ATA channel to manipulate
1528 * @device: ATA device (numbered from zero) to select
1529 *
1530 * This function performs no actual function.
1531 *
1532 * May be used as the dev_select() entry in ata_port_operations.
1533 *
1534 * LOCKING:
1535 * caller.
1536 */
1537void ata_noop_dev_select(struct ata_port *ap, unsigned int device)
1538{
1539}
1540
1541
1542/**
1543 * ata_std_dev_select - Select device 0/1 on ATA bus
1544 * @ap: ATA channel to manipulate
1545 * @device: ATA device (numbered from zero) to select
1546 *
1547 * Use the method defined in the ATA specification to
1548 * make either device 0, or device 1, active on the
1549 * ATA channel. Works with both PIO and MMIO.
1550 *
1551 * May be used as the dev_select() entry in ata_port_operations.
1552 *
1553 * LOCKING:
1554 * caller.
1555 */
1556
1557void ata_std_dev_select(struct ata_port *ap, unsigned int device)
1558{
1559 u8 tmp;
1560
1561 if (device == 0)
1562 tmp = ATA_DEVICE_OBS;
1563 else
1564 tmp = ATA_DEVICE_OBS | ATA_DEV1;
1565
1566 iowrite8(tmp, ap->ioaddr.device_addr);
1567 ata_pause(ap); /* needed; also flushes, for mmio */
1568}
1569
1570/**
1571 * ata_dev_select - Select device 0/1 on ATA bus
1572 * @ap: ATA channel to manipulate
1573 * @device: ATA device (numbered from zero) to select
1574 * @wait: non-zero to wait for Status register BSY bit to clear
1575 * @can_sleep: non-zero if context allows sleeping
1576 *
1577 * Use the method defined in the ATA specification to
1578 * make either device 0, or device 1, active on the
1579 * ATA channel.
1580 *
1581 * This is a high-level version of ata_std_dev_select(),
1582 * which additionally provides the services of inserting
1583 * the proper pauses and status polling, where needed.
1584 *
1585 * LOCKING:
1586 * caller.
1587 */
1588
1589void ata_dev_select(struct ata_port *ap, unsigned int device,
1590 unsigned int wait, unsigned int can_sleep)
1591{
1592 if (ata_msg_probe(ap))
1593 ata_port_printk(ap, KERN_INFO, "ata_dev_select: ENTER, "
1594 "device %u, wait %u\n", device, wait);
1595
1596 if (wait)
1597 ata_wait_idle(ap);
1598
1599 ap->ops->dev_select(ap, device);
1600
1601 if (wait) {
1602 if (can_sleep && ap->link.device[device].class == ATA_DEV_ATAPI)
1603 msleep(150);
1604 ata_wait_idle(ap);
1605 }
1606}
1607
1608/**
1609 * ata_dump_id - IDENTIFY DEVICE info debugging output 1425 * ata_dump_id - IDENTIFY DEVICE info debugging output
1610 * @id: IDENTIFY DEVICE page to dump 1426 * @id: IDENTIFY DEVICE page to dump
1611 * 1427 *
@@ -1732,8 +1548,7 @@ unsigned long ata_id_xfermask(const u16 *id)
1732 * LOCKING: 1548 * LOCKING:
1733 * Inherited from caller. 1549 * Inherited from caller.
1734 */ 1550 */
1735static void ata_pio_queue_task(struct ata_port *ap, void *data, 1551void ata_pio_queue_task(struct ata_port *ap, void *data, unsigned long delay)
1736 unsigned long delay)
1737{ 1552{
1738 ap->port_task_data = data; 1553 ap->port_task_data = data;
1739 1554
@@ -2097,7 +1912,6 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
2097 if (ata_msg_ctl(ap)) 1912 if (ata_msg_ctl(ap))
2098 ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __func__); 1913 ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __func__);
2099 1914
2100 ata_dev_select(ap, dev->devno, 1, 1); /* select device 0/1 */
2101 retry: 1915 retry:
2102 ata_tf_init(dev, &tf); 1916 ata_tf_init(dev, &tf);
2103 1917
@@ -2464,7 +2278,7 @@ int ata_dev_configure(struct ata_device *dev)
2464 * changed notifications and ATAPI ANs. 2278 * changed notifications and ATAPI ANs.
2465 */ 2279 */
2466 if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) && 2280 if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) &&
2467 (!ap->nr_pmp_links || 2281 (!sata_pmp_attached(ap) ||
2468 sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) { 2282 sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) {
2469 unsigned int err_mask; 2283 unsigned int err_mask;
2470 2284
@@ -2558,9 +2372,6 @@ int ata_dev_configure(struct ata_device *dev)
2558 } 2372 }
2559 } 2373 }
2560 2374
2561 if (ata_msg_probe(ap))
2562 ata_dev_printk(dev, KERN_DEBUG, "%s: EXIT, drv_stat = 0x%x\n",
2563 __func__, ata_chk_status(ap));
2564 return 0; 2375 return 0;
2565 2376
2566err_out_nosup: 2377err_out_nosup:
@@ -3321,16 +3132,21 @@ static int ata_dev_set_mode(struct ata_device *dev)
3321 if (rc) 3132 if (rc)
3322 return rc; 3133 return rc;
3323 3134
3324 /* Old CFA may refuse this command, which is just fine */ 3135 if (dev->xfer_shift == ATA_SHIFT_PIO) {
3325 if (dev->xfer_shift == ATA_SHIFT_PIO && ata_id_is_cfa(dev->id)) 3136 /* Old CFA may refuse this command, which is just fine */
3326 ign_dev_err = 1; 3137 if (ata_id_is_cfa(dev->id))
3327 3138 ign_dev_err = 1;
3328 /* Some very old devices and some bad newer ones fail any kind of 3139 /* Catch several broken garbage emulations plus some pre
3329 SET_XFERMODE request but support PIO0-2 timings and no IORDY */ 3140 ATA devices */
3330 if (dev->xfer_shift == ATA_SHIFT_PIO && !ata_id_has_iordy(dev->id) && 3141 if (ata_id_major_version(dev->id) == 0 &&
3331 dev->pio_mode <= XFER_PIO_2) 3142 dev->pio_mode <= XFER_PIO_2)
3332 ign_dev_err = 1; 3143 ign_dev_err = 1;
3333 3144 /* Some very old devices and some bad newer ones fail
3145 any kind of SET_XFERMODE request but support PIO0-2
3146 timings and no IORDY */
3147 if (!ata_id_has_iordy(dev->id) && dev->pio_mode <= XFER_PIO_2)
3148 ign_dev_err = 1;
3149 }
3334 /* Early MWDMA devices do DMA but don't allow DMA mode setting. 3150 /* Early MWDMA devices do DMA but don't allow DMA mode setting.
3335 Don't fail an MWDMA0 set IFF the device indicates it is in MWDMA0 */ 3151 Don't fail an MWDMA0 set IFF the device indicates it is in MWDMA0 */
3336 if (dev->xfer_shift == ATA_SHIFT_MWDMA && 3152 if (dev->xfer_shift == ATA_SHIFT_MWDMA &&
@@ -3474,170 +3290,73 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
3474} 3290}
3475 3291
3476/** 3292/**
3477 * ata_tf_to_host - issue ATA taskfile to host controller 3293 * ata_wait_ready - wait for link to become ready
3478 * @ap: port to which command is being issued 3294 * @link: link to be waited on
3479 * @tf: ATA taskfile register set
3480 *
3481 * Issues ATA taskfile register set to ATA host controller,
3482 * with proper synchronization with interrupt handler and
3483 * other threads.
3484 *
3485 * LOCKING:
3486 * spin_lock_irqsave(host lock)
3487 */
3488
3489static inline void ata_tf_to_host(struct ata_port *ap,
3490 const struct ata_taskfile *tf)
3491{
3492 ap->ops->tf_load(ap, tf);
3493 ap->ops->exec_command(ap, tf);
3494}
3495
3496/**
3497 * ata_busy_sleep - sleep until BSY clears, or timeout
3498 * @ap: port containing status register to be polled
3499 * @tmout_pat: impatience timeout
3500 * @tmout: overall timeout
3501 *
3502 * Sleep until ATA Status register bit BSY clears,
3503 * or a timeout occurs.
3504 *
3505 * LOCKING:
3506 * Kernel thread context (may sleep).
3507 *
3508 * RETURNS:
3509 * 0 on success, -errno otherwise.
3510 */
3511int ata_busy_sleep(struct ata_port *ap,
3512 unsigned long tmout_pat, unsigned long tmout)
3513{
3514 unsigned long timer_start, timeout;
3515 u8 status;
3516
3517 status = ata_busy_wait(ap, ATA_BUSY, 300);
3518 timer_start = jiffies;
3519 timeout = timer_start + tmout_pat;
3520 while (status != 0xff && (status & ATA_BUSY) &&
3521 time_before(jiffies, timeout)) {
3522 msleep(50);
3523 status = ata_busy_wait(ap, ATA_BUSY, 3);
3524 }
3525
3526 if (status != 0xff && (status & ATA_BUSY))
3527 ata_port_printk(ap, KERN_WARNING,
3528 "port is slow to respond, please be patient "
3529 "(Status 0x%x)\n", status);
3530
3531 timeout = timer_start + tmout;
3532 while (status != 0xff && (status & ATA_BUSY) &&
3533 time_before(jiffies, timeout)) {
3534 msleep(50);
3535 status = ata_chk_status(ap);
3536 }
3537
3538 if (status == 0xff)
3539 return -ENODEV;
3540
3541 if (status & ATA_BUSY) {
3542 ata_port_printk(ap, KERN_ERR, "port failed to respond "
3543 "(%lu secs, Status 0x%x)\n",
3544 tmout / HZ, status);
3545 return -EBUSY;
3546 }
3547
3548 return 0;
3549}
3550
3551/**
3552 * ata_wait_after_reset - wait before checking status after reset
3553 * @ap: port containing status register to be polled
3554 * @deadline: deadline jiffies for the operation 3295 * @deadline: deadline jiffies for the operation
3296 * @check_ready: callback to check link readiness
3555 * 3297 *
3556 * After reset, we need to pause a while before reading status. 3298 * Wait for @link to become ready. @check_ready should return
3557 * Also, certain combination of controller and device report 0xff 3299 * positive number if @link is ready, 0 if it isn't, -ENODEV if
3558 * for some duration (e.g. until SATA PHY is up and running) 3300 * link doesn't seem to be occupied, other errno for other error
3559 * which is interpreted as empty port in ATA world. This 3301 * conditions.
3560 * function also waits for such devices to get out of 0xff
3561 * status.
3562 * 3302 *
3563 * LOCKING: 3303 * Transient -ENODEV conditions are allowed for
3564 * Kernel thread context (may sleep). 3304 * ATA_TMOUT_FF_WAIT.
3565 */
3566void ata_wait_after_reset(struct ata_port *ap, unsigned long deadline)
3567{
3568 unsigned long until = jiffies + ATA_TMOUT_FF_WAIT;
3569
3570 if (time_before(until, deadline))
3571 deadline = until;
3572
3573 /* Spec mandates ">= 2ms" before checking status. We wait
3574 * 150ms, because that was the magic delay used for ATAPI
3575 * devices in Hale Landis's ATADRVR, for the period of time
3576 * between when the ATA command register is written, and then
3577 * status is checked. Because waiting for "a while" before
3578 * checking status is fine, post SRST, we perform this magic
3579 * delay here as well.
3580 *
3581 * Old drivers/ide uses the 2mS rule and then waits for ready.
3582 */
3583 msleep(150);
3584
3585 /* Wait for 0xff to clear. Some SATA devices take a long time
3586 * to clear 0xff after reset. For example, HHD424020F7SV00
3587 * iVDR needs >= 800ms while. Quantum GoVault needs even more
3588 * than that.
3589 *
3590 * Note that some PATA controllers (pata_ali) explode if
3591 * status register is read more than once when there's no
3592 * device attached.
3593 */
3594 if (ap->flags & ATA_FLAG_SATA) {
3595 while (1) {
3596 u8 status = ata_chk_status(ap);
3597
3598 if (status != 0xff || time_after(jiffies, deadline))
3599 return;
3600
3601 msleep(50);
3602 }
3603 }
3604}
3605
3606/**
3607 * ata_wait_ready - sleep until BSY clears, or timeout
3608 * @ap: port containing status register to be polled
3609 * @deadline: deadline jiffies for the operation
3610 *
3611 * Sleep until ATA Status register bit BSY clears, or timeout
3612 * occurs.
3613 * 3305 *
3614 * LOCKING: 3306 * LOCKING:
3615 * Kernel thread context (may sleep). 3307 * EH context.
3616 * 3308 *
3617 * RETURNS: 3309 * RETURNS:
3618 * 0 on success, -errno otherwise. 3310 * 0 if @linke is ready before @deadline; otherwise, -errno.
3619 */ 3311 */
3620int ata_wait_ready(struct ata_port *ap, unsigned long deadline) 3312int ata_wait_ready(struct ata_link *link, unsigned long deadline,
3313 int (*check_ready)(struct ata_link *link))
3621{ 3314{
3622 unsigned long start = jiffies; 3315 unsigned long start = jiffies;
3316 unsigned long nodev_deadline = start + ATA_TMOUT_FF_WAIT;
3623 int warned = 0; 3317 int warned = 0;
3624 3318
3319 if (time_after(nodev_deadline, deadline))
3320 nodev_deadline = deadline;
3321
3625 while (1) { 3322 while (1) {
3626 u8 status = ata_chk_status(ap);
3627 unsigned long now = jiffies; 3323 unsigned long now = jiffies;
3324 int ready, tmp;
3628 3325
3629 if (!(status & ATA_BUSY)) 3326 ready = tmp = check_ready(link);
3327 if (ready > 0)
3630 return 0; 3328 return 0;
3631 if (!ata_link_online(&ap->link) && status == 0xff) 3329
3632 return -ENODEV; 3330 /* -ENODEV could be transient. Ignore -ENODEV if link
3331 * is online. Also, some SATA devices take a long
3332 * time to clear 0xff after reset. For example,
3333 * HHD424020F7SV00 iVDR needs >= 800ms while Quantum
3334 * GoVault needs even more than that. Wait for
3335 * ATA_TMOUT_FF_WAIT on -ENODEV if link isn't offline.
3336 *
3337 * Note that some PATA controllers (pata_ali) explode
3338 * if status register is read more than once when
3339 * there's no device attached.
3340 */
3341 if (ready == -ENODEV) {
3342 if (ata_link_online(link))
3343 ready = 0;
3344 else if ((link->ap->flags & ATA_FLAG_SATA) &&
3345 !ata_link_offline(link) &&
3346 time_before(now, nodev_deadline))
3347 ready = 0;
3348 }
3349
3350 if (ready)
3351 return ready;
3633 if (time_after(now, deadline)) 3352 if (time_after(now, deadline))
3634 return -EBUSY; 3353 return -EBUSY;
3635 3354
3636 if (!warned && time_after(now, start + 5 * HZ) && 3355 if (!warned && time_after(now, start + 5 * HZ) &&
3637 (deadline - now > 3 * HZ)) { 3356 (deadline - now > 3 * HZ)) {
3638 ata_port_printk(ap, KERN_WARNING, 3357 ata_link_printk(link, KERN_WARNING,
3639 "port is slow to respond, please be patient " 3358 "link is slow to respond, please be patient "
3640 "(Status 0x%x)\n", status); 3359 "(ready=%d)\n", tmp);
3641 warned = 1; 3360 warned = 1;
3642 } 3361 }
3643 3362
@@ -3645,179 +3364,26 @@ int ata_wait_ready(struct ata_port *ap, unsigned long deadline)
3645 } 3364 }
3646} 3365}
3647 3366
3648static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask,
3649 unsigned long deadline)
3650{
3651 struct ata_ioports *ioaddr = &ap->ioaddr;
3652 unsigned int dev0 = devmask & (1 << 0);
3653 unsigned int dev1 = devmask & (1 << 1);
3654 int rc, ret = 0;
3655
3656 /* if device 0 was found in ata_devchk, wait for its
3657 * BSY bit to clear
3658 */
3659 if (dev0) {
3660 rc = ata_wait_ready(ap, deadline);
3661 if (rc) {
3662 if (rc != -ENODEV)
3663 return rc;
3664 ret = rc;
3665 }
3666 }
3667
3668 /* if device 1 was found in ata_devchk, wait for register
3669 * access briefly, then wait for BSY to clear.
3670 */
3671 if (dev1) {
3672 int i;
3673
3674 ap->ops->dev_select(ap, 1);
3675
3676 /* Wait for register access. Some ATAPI devices fail
3677 * to set nsect/lbal after reset, so don't waste too
3678 * much time on it. We're gonna wait for !BSY anyway.
3679 */
3680 for (i = 0; i < 2; i++) {
3681 u8 nsect, lbal;
3682
3683 nsect = ioread8(ioaddr->nsect_addr);
3684 lbal = ioread8(ioaddr->lbal_addr);
3685 if ((nsect == 1) && (lbal == 1))
3686 break;
3687 msleep(50); /* give drive a breather */
3688 }
3689
3690 rc = ata_wait_ready(ap, deadline);
3691 if (rc) {
3692 if (rc != -ENODEV)
3693 return rc;
3694 ret = rc;
3695 }
3696 }
3697
3698 /* is all this really necessary? */
3699 ap->ops->dev_select(ap, 0);
3700 if (dev1)
3701 ap->ops->dev_select(ap, 1);
3702 if (dev0)
3703 ap->ops->dev_select(ap, 0);
3704
3705 return ret;
3706}
3707
3708static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
3709 unsigned long deadline)
3710{
3711 struct ata_ioports *ioaddr = &ap->ioaddr;
3712
3713 DPRINTK("ata%u: bus reset via SRST\n", ap->print_id);
3714
3715 /* software reset. causes dev0 to be selected */
3716 iowrite8(ap->ctl, ioaddr->ctl_addr);
3717 udelay(20); /* FIXME: flush */
3718 iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
3719 udelay(20); /* FIXME: flush */
3720 iowrite8(ap->ctl, ioaddr->ctl_addr);
3721
3722 /* wait a while before checking status */
3723 ata_wait_after_reset(ap, deadline);
3724
3725 /* Before we perform post reset processing we want to see if
3726 * the bus shows 0xFF because the odd clown forgets the D7
3727 * pulldown resistor.
3728 */
3729 if (ata_chk_status(ap) == 0xFF)
3730 return -ENODEV;
3731
3732 return ata_bus_post_reset(ap, devmask, deadline);
3733}
3734
3735/** 3367/**
3736 * ata_bus_reset - reset host port and associated ATA channel 3368 * ata_wait_after_reset - wait for link to become ready after reset
3737 * @ap: port to reset 3369 * @link: link to be waited on
3370 * @deadline: deadline jiffies for the operation
3371 * @check_ready: callback to check link readiness
3738 * 3372 *
3739 * This is typically the first time we actually start issuing 3373 * Wait for @link to become ready after reset.
3740 * commands to the ATA channel. We wait for BSY to clear, then
3741 * issue EXECUTE DEVICE DIAGNOSTIC command, polling for its
3742 * result. Determine what devices, if any, are on the channel
3743 * by looking at the device 0/1 error register. Look at the signature
3744 * stored in each device's taskfile registers, to determine if
3745 * the device is ATA or ATAPI.
3746 * 3374 *
3747 * LOCKING: 3375 * LOCKING:
3748 * PCI/etc. bus probe sem. 3376 * EH context.
3749 * Obtains host lock.
3750 * 3377 *
3751 * SIDE EFFECTS: 3378 * RETURNS:
3752 * Sets ATA_FLAG_DISABLED if bus reset fails. 3379 * 0 if @linke is ready before @deadline; otherwise, -errno.
3753 */ 3380 */
3754 3381extern int ata_wait_after_reset(struct ata_link *link, unsigned long deadline,
3755void ata_bus_reset(struct ata_port *ap) 3382 int (*check_ready)(struct ata_link *link))
3756{ 3383{
3757 struct ata_device *device = ap->link.device; 3384 msleep(ATA_WAIT_AFTER_RESET_MSECS);
3758 struct ata_ioports *ioaddr = &ap->ioaddr;
3759 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
3760 u8 err;
3761 unsigned int dev0, dev1 = 0, devmask = 0;
3762 int rc;
3763
3764 DPRINTK("ENTER, host %u, port %u\n", ap->print_id, ap->port_no);
3765
3766 /* determine if device 0/1 are present */
3767 if (ap->flags & ATA_FLAG_SATA_RESET)
3768 dev0 = 1;
3769 else {
3770 dev0 = ata_devchk(ap, 0);
3771 if (slave_possible)
3772 dev1 = ata_devchk(ap, 1);
3773 }
3774
3775 if (dev0)
3776 devmask |= (1 << 0);
3777 if (dev1)
3778 devmask |= (1 << 1);
3779 3385
3780 /* select device 0 again */ 3386 return ata_wait_ready(link, deadline, check_ready);
3781 ap->ops->dev_select(ap, 0);
3782
3783 /* issue bus reset */
3784 if (ap->flags & ATA_FLAG_SRST) {
3785 rc = ata_bus_softreset(ap, devmask, jiffies + 40 * HZ);
3786 if (rc && rc != -ENODEV)
3787 goto err_out;
3788 }
3789
3790 /*
3791 * determine by signature whether we have ATA or ATAPI devices
3792 */
3793 device[0].class = ata_dev_try_classify(&device[0], dev0, &err);
3794 if ((slave_possible) && (err != 0x81))
3795 device[1].class = ata_dev_try_classify(&device[1], dev1, &err);
3796
3797 /* is double-select really necessary? */
3798 if (device[1].class != ATA_DEV_NONE)
3799 ap->ops->dev_select(ap, 1);
3800 if (device[0].class != ATA_DEV_NONE)
3801 ap->ops->dev_select(ap, 0);
3802
3803 /* if no devices were detected, disable this port */
3804 if ((device[0].class == ATA_DEV_NONE) &&
3805 (device[1].class == ATA_DEV_NONE))
3806 goto err_out;
3807
3808 if (ap->flags & (ATA_FLAG_SATA_RESET | ATA_FLAG_SRST)) {
3809 /* set up device control for ATA_FLAG_SATA_RESET */
3810 iowrite8(ap->ctl, ioaddr->ctl_addr);
3811 }
3812
3813 DPRINTK("EXIT\n");
3814 return;
3815
3816err_out:
3817 ata_port_printk(ap, KERN_ERR, "disabling port\n");
3818 ata_port_disable(ap);
3819
3820 DPRINTK("EXIT\n");
3821} 3387}
3822 3388
3823/** 3389/**
@@ -3906,7 +3472,7 @@ int sata_link_debounce(struct ata_link *link, const unsigned long *params,
3906int sata_link_resume(struct ata_link *link, const unsigned long *params, 3472int sata_link_resume(struct ata_link *link, const unsigned long *params,
3907 unsigned long deadline) 3473 unsigned long deadline)
3908{ 3474{
3909 u32 scontrol; 3475 u32 scontrol, serror;
3910 int rc; 3476 int rc;
3911 3477
3912 if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol))) 3478 if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))
@@ -3922,7 +3488,25 @@ int sata_link_resume(struct ata_link *link, const unsigned long *params,
3922 */ 3488 */
3923 msleep(200); 3489 msleep(200);
3924 3490
3925 return sata_link_debounce(link, params, deadline); 3491 if ((rc = sata_link_debounce(link, params, deadline)))
3492 return rc;
3493
3494 /* Clear SError. PMP and some host PHYs require this to
3495 * operate and clearing should be done before checking PHY
3496 * online status to avoid race condition (hotplugging between
3497 * link resume and status check).
3498 */
3499 if (!(rc = sata_scr_read(link, SCR_ERROR, &serror)))
3500 rc = sata_scr_write(link, SCR_ERROR, serror);
3501 if (rc == 0 || rc == -EINVAL) {
3502 unsigned long flags;
3503
3504 spin_lock_irqsave(link->ap->lock, flags);
3505 link->eh_info.serror = 0;
3506 spin_unlock_irqrestore(link->ap->lock, flags);
3507 rc = 0;
3508 }
3509 return rc;
3926} 3510}
3927 3511
3928/** 3512/**
@@ -3949,17 +3533,6 @@ int ata_std_prereset(struct ata_link *link, unsigned long deadline)
3949 const unsigned long *timing = sata_ehc_deb_timing(ehc); 3533 const unsigned long *timing = sata_ehc_deb_timing(ehc);
3950 int rc; 3534 int rc;
3951 3535
3952 /* handle link resume */
3953 if ((ehc->i.flags & ATA_EHI_RESUME_LINK) &&
3954 (link->flags & ATA_LFLAG_HRST_TO_RESUME))
3955 ehc->i.action |= ATA_EH_HARDRESET;
3956
3957 /* Some PMPs don't work with only SRST, force hardreset if PMP
3958 * is supported.
3959 */
3960 if (ap->flags & ATA_FLAG_PMP)
3961 ehc->i.action |= ATA_EH_HARDRESET;
3962
3963 /* if we're about to do hardreset, nothing more to do */ 3536 /* if we're about to do hardreset, nothing more to do */
3964 if (ehc->i.action & ATA_EH_HARDRESET) 3537 if (ehc->i.action & ATA_EH_HARDRESET)
3965 return 0; 3538 return 0;
@@ -3973,88 +3546,30 @@ int ata_std_prereset(struct ata_link *link, unsigned long deadline)
3973 "link for reset (errno=%d)\n", rc); 3546 "link for reset (errno=%d)\n", rc);
3974 } 3547 }
3975 3548
3976 /* Wait for !BSY if the controller can wait for the first D2H 3549 /* no point in trying softreset on offline link */
3977 * Reg FIS and we don't know that no device is attached. 3550 if (ata_link_offline(link))
3978 */ 3551 ehc->i.action &= ~ATA_EH_SOFTRESET;
3979 if (!(link->flags & ATA_LFLAG_SKIP_D2H_BSY) && !ata_link_offline(link)) {
3980 rc = ata_wait_ready(ap, deadline);
3981 if (rc && rc != -ENODEV) {
3982 ata_link_printk(link, KERN_WARNING, "device not ready "
3983 "(errno=%d), forcing hardreset\n", rc);
3984 ehc->i.action |= ATA_EH_HARDRESET;
3985 }
3986 }
3987 3552
3988 return 0; 3553 return 0;
3989} 3554}
3990 3555
3991/** 3556/**
3992 * ata_std_softreset - reset host port via ATA SRST
3993 * @link: ATA link to reset
3994 * @classes: resulting classes of attached devices
3995 * @deadline: deadline jiffies for the operation
3996 *
3997 * Reset host port using ATA SRST.
3998 *
3999 * LOCKING:
4000 * Kernel thread context (may sleep)
4001 *
4002 * RETURNS:
4003 * 0 on success, -errno otherwise.
4004 */
4005int ata_std_softreset(struct ata_link *link, unsigned int *classes,
4006 unsigned long deadline)
4007{
4008 struct ata_port *ap = link->ap;
4009 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
4010 unsigned int devmask = 0;
4011 int rc;
4012 u8 err;
4013
4014 DPRINTK("ENTER\n");
4015
4016 if (ata_link_offline(link)) {
4017 classes[0] = ATA_DEV_NONE;
4018 goto out;
4019 }
4020
4021 /* determine if device 0/1 are present */
4022 if (ata_devchk(ap, 0))
4023 devmask |= (1 << 0);
4024 if (slave_possible && ata_devchk(ap, 1))
4025 devmask |= (1 << 1);
4026
4027 /* select device 0 again */
4028 ap->ops->dev_select(ap, 0);
4029
4030 /* issue bus reset */
4031 DPRINTK("about to softreset, devmask=%x\n", devmask);
4032 rc = ata_bus_softreset(ap, devmask, deadline);
4033 /* if link is occupied, -ENODEV too is an error */
4034 if (rc && (rc != -ENODEV || sata_scr_valid(link))) {
4035 ata_link_printk(link, KERN_ERR, "SRST failed (errno=%d)\n", rc);
4036 return rc;
4037 }
4038
4039 /* determine by signature whether we have ATA or ATAPI devices */
4040 classes[0] = ata_dev_try_classify(&link->device[0],
4041 devmask & (1 << 0), &err);
4042 if (slave_possible && err != 0x81)
4043 classes[1] = ata_dev_try_classify(&link->device[1],
4044 devmask & (1 << 1), &err);
4045
4046 out:
4047 DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]);
4048 return 0;
4049}
4050
4051/**
4052 * sata_link_hardreset - reset link via SATA phy reset 3557 * sata_link_hardreset - reset link via SATA phy reset
4053 * @link: link to reset 3558 * @link: link to reset
4054 * @timing: timing parameters { interval, duratinon, timeout } in msec 3559 * @timing: timing parameters { interval, duratinon, timeout } in msec
4055 * @deadline: deadline jiffies for the operation 3560 * @deadline: deadline jiffies for the operation
3561 * @online: optional out parameter indicating link onlineness
3562 * @check_ready: optional callback to check link readiness
4056 * 3563 *
4057 * SATA phy-reset @link using DET bits of SControl register. 3564 * SATA phy-reset @link using DET bits of SControl register.
3565 * After hardreset, link readiness is waited upon using
3566 * ata_wait_ready() if @check_ready is specified. LLDs are
3567 * allowed to not specify @check_ready and wait itself after this
3568 * function returns. Device classification is LLD's
3569 * responsibility.
3570 *
3571 * *@online is set to one iff reset succeeded and @link is online
3572 * after reset.
4058 * 3573 *
4059 * LOCKING: 3574 * LOCKING:
4060 * Kernel thread context (may sleep) 3575 * Kernel thread context (may sleep)
@@ -4063,13 +3578,17 @@ int ata_std_softreset(struct ata_link *link, unsigned int *classes,
4063 * 0 on success, -errno otherwise. 3578 * 0 on success, -errno otherwise.
4064 */ 3579 */
4065int sata_link_hardreset(struct ata_link *link, const unsigned long *timing, 3580int sata_link_hardreset(struct ata_link *link, const unsigned long *timing,
4066 unsigned long deadline) 3581 unsigned long deadline,
3582 bool *online, int (*check_ready)(struct ata_link *))
4067{ 3583{
4068 u32 scontrol; 3584 u32 scontrol;
4069 int rc; 3585 int rc;
4070 3586
4071 DPRINTK("ENTER\n"); 3587 DPRINTK("ENTER\n");
4072 3588
3589 if (online)
3590 *online = false;
3591
4073 if (sata_set_spd_needed(link)) { 3592 if (sata_set_spd_needed(link)) {
4074 /* SATA spec says nothing about how to reconfigure 3593 /* SATA spec says nothing about how to reconfigure
4075 * spd. To be on the safe side, turn off phy during 3594 * spd. To be on the safe side, turn off phy during
@@ -4103,77 +3622,69 @@ int sata_link_hardreset(struct ata_link *link, const unsigned long *timing,
4103 3622
4104 /* bring link back */ 3623 /* bring link back */
4105 rc = sata_link_resume(link, timing, deadline); 3624 rc = sata_link_resume(link, timing, deadline);
3625 if (rc)
3626 goto out;
3627 /* if link is offline nothing more to do */
3628 if (ata_link_offline(link))
3629 goto out;
3630
3631 /* Link is online. From this point, -ENODEV too is an error. */
3632 if (online)
3633 *online = true;
3634
3635 if (sata_pmp_supported(link->ap) && ata_is_host_link(link)) {
3636 /* If PMP is supported, we have to do follow-up SRST.
3637 * Some PMPs don't send D2H Reg FIS after hardreset if
3638 * the first port is empty. Wait only for
3639 * ATA_TMOUT_PMP_SRST_WAIT.
3640 */
3641 if (check_ready) {
3642 unsigned long pmp_deadline;
3643
3644 pmp_deadline = jiffies + ATA_TMOUT_PMP_SRST_WAIT;
3645 if (time_after(pmp_deadline, deadline))
3646 pmp_deadline = deadline;
3647 ata_wait_ready(link, pmp_deadline, check_ready);
3648 }
3649 rc = -EAGAIN;
3650 goto out;
3651 }
3652
3653 rc = 0;
3654 if (check_ready)
3655 rc = ata_wait_ready(link, deadline, check_ready);
4106 out: 3656 out:
3657 if (rc && rc != -EAGAIN)
3658 ata_link_printk(link, KERN_ERR,
3659 "COMRESET failed (errno=%d)\n", rc);
4107 DPRINTK("EXIT, rc=%d\n", rc); 3660 DPRINTK("EXIT, rc=%d\n", rc);
4108 return rc; 3661 return rc;
4109} 3662}
4110 3663
4111/** 3664/**
4112 * sata_std_hardreset - reset host port via SATA phy reset 3665 * sata_std_hardreset - COMRESET w/o waiting or classification
4113 * @link: link to reset 3666 * @link: link to reset
4114 * @class: resulting class of attached device 3667 * @class: resulting class of attached device
4115 * @deadline: deadline jiffies for the operation 3668 * @deadline: deadline jiffies for the operation
4116 * 3669 *
4117 * SATA phy-reset host port using DET bits of SControl register, 3670 * Standard SATA COMRESET w/o waiting or classification.
4118 * wait for !BSY and classify the attached device.
4119 * 3671 *
4120 * LOCKING: 3672 * LOCKING:
4121 * Kernel thread context (may sleep) 3673 * Kernel thread context (may sleep)
4122 * 3674 *
4123 * RETURNS: 3675 * RETURNS:
4124 * 0 on success, -errno otherwise. 3676 * 0 if link offline, -EAGAIN if link online, -errno on errors.
4125 */ 3677 */
4126int sata_std_hardreset(struct ata_link *link, unsigned int *class, 3678int sata_std_hardreset(struct ata_link *link, unsigned int *class,
4127 unsigned long deadline) 3679 unsigned long deadline)
4128{ 3680{
4129 struct ata_port *ap = link->ap;
4130 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context); 3681 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
3682 bool online;
4131 int rc; 3683 int rc;
4132 3684
4133 DPRINTK("ENTER\n");
4134
4135 /* do hardreset */ 3685 /* do hardreset */
4136 rc = sata_link_hardreset(link, timing, deadline); 3686 rc = sata_link_hardreset(link, timing, deadline, &online, NULL);
4137 if (rc) { 3687 return online ? -EAGAIN : rc;
4138 ata_link_printk(link, KERN_ERR,
4139 "COMRESET failed (errno=%d)\n", rc);
4140 return rc;
4141 }
4142
4143 /* TODO: phy layer with polling, timeouts, etc. */
4144 if (ata_link_offline(link)) {
4145 *class = ATA_DEV_NONE;
4146 DPRINTK("EXIT, link offline\n");
4147 return 0;
4148 }
4149
4150 /* wait a while before checking status */
4151 ata_wait_after_reset(ap, deadline);
4152
4153 /* If PMP is supported, we have to do follow-up SRST. Note
4154 * that some PMPs don't send D2H Reg FIS after hardreset at
4155 * all if the first port is empty. Wait for it just for a
4156 * second and request follow-up SRST.
4157 */
4158 if (ap->flags & ATA_FLAG_PMP) {
4159 ata_wait_ready(ap, jiffies + HZ);
4160 return -EAGAIN;
4161 }
4162
4163 rc = ata_wait_ready(ap, deadline);
4164 /* link occupied, -ENODEV too is an error */
4165 if (rc) {
4166 ata_link_printk(link, KERN_ERR,
4167 "COMRESET failed (errno=%d)\n", rc);
4168 return rc;
4169 }
4170
4171 ap->ops->dev_select(ap, 0); /* probably unnecessary */
4172
4173 *class = ata_dev_try_classify(link->device, 1, NULL);
4174
4175 DPRINTK("EXIT, class=%u\n", *class);
4176 return 0;
4177} 3688}
4178 3689
4179/** 3690/**
@@ -4190,35 +3701,11 @@ int sata_std_hardreset(struct ata_link *link, unsigned int *class,
4190 */ 3701 */
4191void ata_std_postreset(struct ata_link *link, unsigned int *classes) 3702void ata_std_postreset(struct ata_link *link, unsigned int *classes)
4192{ 3703{
4193 struct ata_port *ap = link->ap;
4194 u32 serror;
4195
4196 DPRINTK("ENTER\n"); 3704 DPRINTK("ENTER\n");
4197 3705
4198 /* print link status */ 3706 /* print link status */
4199 sata_print_link_status(link); 3707 sata_print_link_status(link);
4200 3708
4201 /* clear SError */
4202 if (sata_scr_read(link, SCR_ERROR, &serror) == 0)
4203 sata_scr_write(link, SCR_ERROR, serror);
4204 link->eh_info.serror = 0;
4205
4206 /* is double-select really necessary? */
4207 if (classes[0] != ATA_DEV_NONE)
4208 ap->ops->dev_select(ap, 1);
4209 if (classes[1] != ATA_DEV_NONE)
4210 ap->ops->dev_select(ap, 0);
4211
4212 /* bail out if no device is present */
4213 if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) {
4214 DPRINTK("EXIT, no device\n");
4215 return;
4216 }
4217
4218 /* set up device control */
4219 if (ap->ioaddr.ctl_addr)
4220 iowrite8(ap->ctl, ap->ioaddr.ctl_addr);
4221
4222 DPRINTK("EXIT\n"); 3709 DPRINTK("EXIT\n");
4223} 3710}
4224 3711
@@ -4528,6 +4015,53 @@ static int ata_is_40wire(struct ata_device *dev)
4528} 4015}
4529 4016
4530/** 4017/**
4018 * cable_is_40wire - 40/80/SATA decider
4019 * @ap: port to consider
4020 *
4021 * This function encapsulates the policy for speed management
4022 * in one place. At the moment we don't cache the result but
4023 * there is a good case for setting ap->cbl to the result when
4024 * we are called with unknown cables (and figuring out if it
4025 * impacts hotplug at all).
4026 *
4027 * Return 1 if the cable appears to be 40 wire.
4028 */
4029
4030static int cable_is_40wire(struct ata_port *ap)
4031{
4032 struct ata_link *link;
4033 struct ata_device *dev;
4034
4035 /* If the controller thinks we are 40 wire, we are */
4036 if (ap->cbl == ATA_CBL_PATA40)
4037 return 1;
4038 /* If the controller thinks we are 80 wire, we are */
4039 if (ap->cbl == ATA_CBL_PATA80 || ap->cbl == ATA_CBL_SATA)
4040 return 0;
4041 /* If the system is known to be 40 wire short cable (eg laptop),
4042 then we allow 80 wire modes even if the drive isn't sure */
4043 if (ap->cbl == ATA_CBL_PATA40_SHORT)
4044 return 0;
4045 /* If the controller doesn't know we scan
4046
4047 - Note: We look for all 40 wire detects at this point.
4048 Any 80 wire detect is taken to be 80 wire cable
4049 because
4050 - In many setups only the one drive (slave if present)
4051 will give a valid detect
4052 - If you have a non detect capable drive you don't
4053 want it to colour the choice
4054 */
4055 ata_port_for_each_link(link, ap) {
4056 ata_link_for_each_dev(dev, link) {
4057 if (!ata_is_40wire(dev))
4058 return 0;
4059 }
4060 }
4061 return 1;
4062}
4063
4064/**
4531 * ata_dev_xfermask - Compute supported xfermask of the given device 4065 * ata_dev_xfermask - Compute supported xfermask of the given device
4532 * @dev: Device to compute xfermask for 4066 * @dev: Device to compute xfermask for
4533 * 4067 *
@@ -4595,10 +4129,7 @@ static void ata_dev_xfermask(struct ata_device *dev)
4595 */ 4129 */
4596 if (xfer_mask & (0xF8 << ATA_SHIFT_UDMA)) 4130 if (xfer_mask & (0xF8 << ATA_SHIFT_UDMA))
4597 /* UDMA/44 or higher would be available */ 4131 /* UDMA/44 or higher would be available */
4598 if ((ap->cbl == ATA_CBL_PATA40) || 4132 if (cable_is_40wire(ap)) {
4599 (ata_is_40wire(dev) &&
4600 (ap->cbl == ATA_CBL_PATA_UNK ||
4601 ap->cbl == ATA_CBL_PATA80))) {
4602 ata_dev_printk(dev, KERN_WARNING, 4133 ata_dev_printk(dev, KERN_WARNING,
4603 "limited to UDMA/33 due to 40-wire cable\n"); 4134 "limited to UDMA/33 due to 40-wire cable\n");
4604 xfer_mask &= ~(0xF8 << ATA_SHIFT_UDMA); 4135 xfer_mask &= ~(0xF8 << ATA_SHIFT_UDMA);
@@ -4759,112 +4290,6 @@ void ata_sg_clean(struct ata_queued_cmd *qc)
4759} 4290}
4760 4291
4761/** 4292/**
4762 * ata_fill_sg - Fill PCI IDE PRD table
4763 * @qc: Metadata associated with taskfile to be transferred
4764 *
4765 * Fill PCI IDE PRD (scatter-gather) table with segments
4766 * associated with the current disk command.
4767 *
4768 * LOCKING:
4769 * spin_lock_irqsave(host lock)
4770 *
4771 */
4772static void ata_fill_sg(struct ata_queued_cmd *qc)
4773{
4774 struct ata_port *ap = qc->ap;
4775 struct scatterlist *sg;
4776 unsigned int si, pi;
4777
4778 pi = 0;
4779 for_each_sg(qc->sg, sg, qc->n_elem, si) {
4780 u32 addr, offset;
4781 u32 sg_len, len;
4782
4783 /* determine if physical DMA addr spans 64K boundary.
4784 * Note h/w doesn't support 64-bit, so we unconditionally
4785 * truncate dma_addr_t to u32.
4786 */
4787 addr = (u32) sg_dma_address(sg);
4788 sg_len = sg_dma_len(sg);
4789
4790 while (sg_len) {
4791 offset = addr & 0xffff;
4792 len = sg_len;
4793 if ((offset + sg_len) > 0x10000)
4794 len = 0x10000 - offset;
4795
4796 ap->prd[pi].addr = cpu_to_le32(addr);
4797 ap->prd[pi].flags_len = cpu_to_le32(len & 0xffff);
4798 VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len);
4799
4800 pi++;
4801 sg_len -= len;
4802 addr += len;
4803 }
4804 }
4805
4806 ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
4807}
4808
4809/**
4810 * ata_fill_sg_dumb - Fill PCI IDE PRD table
4811 * @qc: Metadata associated with taskfile to be transferred
4812 *
4813 * Fill PCI IDE PRD (scatter-gather) table with segments
4814 * associated with the current disk command. Perform the fill
4815 * so that we avoid writing any length 64K records for
4816 * controllers that don't follow the spec.
4817 *
4818 * LOCKING:
4819 * spin_lock_irqsave(host lock)
4820 *
4821 */
4822static void ata_fill_sg_dumb(struct ata_queued_cmd *qc)
4823{
4824 struct ata_port *ap = qc->ap;
4825 struct scatterlist *sg;
4826 unsigned int si, pi;
4827
4828 pi = 0;
4829 for_each_sg(qc->sg, sg, qc->n_elem, si) {
4830 u32 addr, offset;
4831 u32 sg_len, len, blen;
4832
4833 /* determine if physical DMA addr spans 64K boundary.
4834 * Note h/w doesn't support 64-bit, so we unconditionally
4835 * truncate dma_addr_t to u32.
4836 */
4837 addr = (u32) sg_dma_address(sg);
4838 sg_len = sg_dma_len(sg);
4839
4840 while (sg_len) {
4841 offset = addr & 0xffff;
4842 len = sg_len;
4843 if ((offset + sg_len) > 0x10000)
4844 len = 0x10000 - offset;
4845
4846 blen = len & 0xffff;
4847 ap->prd[pi].addr = cpu_to_le32(addr);
4848 if (blen == 0) {
4849 /* Some PATA chipsets like the CS5530 can't
4850 cope with 0x0000 meaning 64K as the spec says */
4851 ap->prd[pi].flags_len = cpu_to_le32(0x8000);
4852 blen = 0x8000;
4853 ap->prd[++pi].addr = cpu_to_le32(addr + 0x8000);
4854 }
4855 ap->prd[pi].flags_len = cpu_to_le32(blen);
4856 VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len);
4857
4858 pi++;
4859 sg_len -= len;
4860 addr += len;
4861 }
4862 }
4863
4864 ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
4865}
4866
4867/**
4868 * ata_check_atapi_dma - Check whether ATAPI DMA can be supported 4293 * ata_check_atapi_dma - Check whether ATAPI DMA can be supported
4869 * @qc: Metadata associated with taskfile to check 4294 * @qc: Metadata associated with taskfile to check
4870 * 4295 *
@@ -4924,40 +4349,6 @@ int ata_std_qc_defer(struct ata_queued_cmd *qc)
4924 return ATA_DEFER_LINK; 4349 return ATA_DEFER_LINK;
4925} 4350}
4926 4351
4927/**
4928 * ata_qc_prep - Prepare taskfile for submission
4929 * @qc: Metadata associated with taskfile to be prepared
4930 *
4931 * Prepare ATA taskfile for submission.
4932 *
4933 * LOCKING:
4934 * spin_lock_irqsave(host lock)
4935 */
4936void ata_qc_prep(struct ata_queued_cmd *qc)
4937{
4938 if (!(qc->flags & ATA_QCFLAG_DMAMAP))
4939 return;
4940
4941 ata_fill_sg(qc);
4942}
4943
4944/**
4945 * ata_dumb_qc_prep - Prepare taskfile for submission
4946 * @qc: Metadata associated with taskfile to be prepared
4947 *
4948 * Prepare ATA taskfile for submission.
4949 *
4950 * LOCKING:
4951 * spin_lock_irqsave(host lock)
4952 */
4953void ata_dumb_qc_prep(struct ata_queued_cmd *qc)
4954{
4955 if (!(qc->flags & ATA_QCFLAG_DMAMAP))
4956 return;
4957
4958 ata_fill_sg_dumb(qc);
4959}
4960
4961void ata_noop_qc_prep(struct ata_queued_cmd *qc) { } 4352void ata_noop_qc_prep(struct ata_queued_cmd *qc) { }
4962 4353
4963/** 4354/**
@@ -5036,698 +4427,6 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words)
5036} 4427}
5037 4428
5038/** 4429/**
5039 * ata_data_xfer - Transfer data by PIO
5040 * @dev: device to target
5041 * @buf: data buffer
5042 * @buflen: buffer length
5043 * @rw: read/write
5044 *
5045 * Transfer data from/to the device data register by PIO.
5046 *
5047 * LOCKING:
5048 * Inherited from caller.
5049 *
5050 * RETURNS:
5051 * Bytes consumed.
5052 */
5053unsigned int ata_data_xfer(struct ata_device *dev, unsigned char *buf,
5054 unsigned int buflen, int rw)
5055{
5056 struct ata_port *ap = dev->link->ap;
5057 void __iomem *data_addr = ap->ioaddr.data_addr;
5058 unsigned int words = buflen >> 1;
5059
5060 /* Transfer multiple of 2 bytes */
5061 if (rw == READ)
5062 ioread16_rep(data_addr, buf, words);
5063 else
5064 iowrite16_rep(data_addr, buf, words);
5065
5066 /* Transfer trailing 1 byte, if any. */
5067 if (unlikely(buflen & 0x01)) {
5068 __le16 align_buf[1] = { 0 };
5069 unsigned char *trailing_buf = buf + buflen - 1;
5070
5071 if (rw == READ) {
5072 align_buf[0] = cpu_to_le16(ioread16(data_addr));
5073 memcpy(trailing_buf, align_buf, 1);
5074 } else {
5075 memcpy(align_buf, trailing_buf, 1);
5076 iowrite16(le16_to_cpu(align_buf[0]), data_addr);
5077 }
5078 words++;
5079 }
5080
5081 return words << 1;
5082}
5083
5084/**
5085 * ata_data_xfer_noirq - Transfer data by PIO
5086 * @dev: device to target
5087 * @buf: data buffer
5088 * @buflen: buffer length
5089 * @rw: read/write
5090 *
5091 * Transfer data from/to the device data register by PIO. Do the
5092 * transfer with interrupts disabled.
5093 *
5094 * LOCKING:
5095 * Inherited from caller.
5096 *
5097 * RETURNS:
5098 * Bytes consumed.
5099 */
5100unsigned int ata_data_xfer_noirq(struct ata_device *dev, unsigned char *buf,
5101 unsigned int buflen, int rw)
5102{
5103 unsigned long flags;
5104 unsigned int consumed;
5105
5106 local_irq_save(flags);
5107 consumed = ata_data_xfer(dev, buf, buflen, rw);
5108 local_irq_restore(flags);
5109
5110 return consumed;
5111}
5112
5113
5114/**
5115 * ata_pio_sector - Transfer a sector of data.
5116 * @qc: Command on going
5117 *
5118 * Transfer qc->sect_size bytes of data from/to the ATA device.
5119 *
5120 * LOCKING:
5121 * Inherited from caller.
5122 */
5123
5124static void ata_pio_sector(struct ata_queued_cmd *qc)
5125{
5126 int do_write = (qc->tf.flags & ATA_TFLAG_WRITE);
5127 struct ata_port *ap = qc->ap;
5128 struct page *page;
5129 unsigned int offset;
5130 unsigned char *buf;
5131
5132 if (qc->curbytes == qc->nbytes - qc->sect_size)
5133 ap->hsm_task_state = HSM_ST_LAST;
5134
5135 page = sg_page(qc->cursg);
5136 offset = qc->cursg->offset + qc->cursg_ofs;
5137
5138 /* get the current page and offset */
5139 page = nth_page(page, (offset >> PAGE_SHIFT));
5140 offset %= PAGE_SIZE;
5141
5142 DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
5143
5144 if (PageHighMem(page)) {
5145 unsigned long flags;
5146
5147 /* FIXME: use a bounce buffer */
5148 local_irq_save(flags);
5149 buf = kmap_atomic(page, KM_IRQ0);
5150
5151 /* do the actual data transfer */
5152 ap->ops->data_xfer(qc->dev, buf + offset, qc->sect_size, do_write);
5153
5154 kunmap_atomic(buf, KM_IRQ0);
5155 local_irq_restore(flags);
5156 } else {
5157 buf = page_address(page);
5158 ap->ops->data_xfer(qc->dev, buf + offset, qc->sect_size, do_write);
5159 }
5160
5161 qc->curbytes += qc->sect_size;
5162 qc->cursg_ofs += qc->sect_size;
5163
5164 if (qc->cursg_ofs == qc->cursg->length) {
5165 qc->cursg = sg_next(qc->cursg);
5166 qc->cursg_ofs = 0;
5167 }
5168}
5169
5170/**
5171 * ata_pio_sectors - Transfer one or many sectors.
5172 * @qc: Command on going
5173 *
5174 * Transfer one or many sectors of data from/to the
5175 * ATA device for the DRQ request.
5176 *
5177 * LOCKING:
5178 * Inherited from caller.
5179 */
5180
5181static void ata_pio_sectors(struct ata_queued_cmd *qc)
5182{
5183 if (is_multi_taskfile(&qc->tf)) {
5184 /* READ/WRITE MULTIPLE */
5185 unsigned int nsect;
5186
5187 WARN_ON(qc->dev->multi_count == 0);
5188
5189 nsect = min((qc->nbytes - qc->curbytes) / qc->sect_size,
5190 qc->dev->multi_count);
5191 while (nsect--)
5192 ata_pio_sector(qc);
5193 } else
5194 ata_pio_sector(qc);
5195
5196 ata_altstatus(qc->ap); /* flush */
5197}
5198
5199/**
5200 * atapi_send_cdb - Write CDB bytes to hardware
5201 * @ap: Port to which ATAPI device is attached.
5202 * @qc: Taskfile currently active
5203 *
5204 * When device has indicated its readiness to accept
5205 * a CDB, this function is called. Send the CDB.
5206 *
5207 * LOCKING:
5208 * caller.
5209 */
5210
5211static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
5212{
5213 /* send SCSI cdb */
5214 DPRINTK("send cdb\n");
5215 WARN_ON(qc->dev->cdb_len < 12);
5216
5217 ap->ops->data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1);
5218 ata_altstatus(ap); /* flush */
5219
5220 switch (qc->tf.protocol) {
5221 case ATAPI_PROT_PIO:
5222 ap->hsm_task_state = HSM_ST;
5223 break;
5224 case ATAPI_PROT_NODATA:
5225 ap->hsm_task_state = HSM_ST_LAST;
5226 break;
5227 case ATAPI_PROT_DMA:
5228 ap->hsm_task_state = HSM_ST_LAST;
5229 /* initiate bmdma */
5230 ap->ops->bmdma_start(qc);
5231 break;
5232 }
5233}
5234
5235/**
5236 * __atapi_pio_bytes - Transfer data from/to the ATAPI device.
5237 * @qc: Command on going
5238 * @bytes: number of bytes
5239 *
5240 * Transfer Transfer data from/to the ATAPI device.
5241 *
5242 * LOCKING:
5243 * Inherited from caller.
5244 *
5245 */
5246static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes)
5247{
5248 int rw = (qc->tf.flags & ATA_TFLAG_WRITE) ? WRITE : READ;
5249 struct ata_port *ap = qc->ap;
5250 struct ata_device *dev = qc->dev;
5251 struct ata_eh_info *ehi = &dev->link->eh_info;
5252 struct scatterlist *sg;
5253 struct page *page;
5254 unsigned char *buf;
5255 unsigned int offset, count, consumed;
5256
5257next_sg:
5258 sg = qc->cursg;
5259 if (unlikely(!sg)) {
5260 ata_ehi_push_desc(ehi, "unexpected or too much trailing data "
5261 "buf=%u cur=%u bytes=%u",
5262 qc->nbytes, qc->curbytes, bytes);
5263 return -1;
5264 }
5265
5266 page = sg_page(sg);
5267 offset = sg->offset + qc->cursg_ofs;
5268
5269 /* get the current page and offset */
5270 page = nth_page(page, (offset >> PAGE_SHIFT));
5271 offset %= PAGE_SIZE;
5272
5273 /* don't overrun current sg */
5274 count = min(sg->length - qc->cursg_ofs, bytes);
5275
5276 /* don't cross page boundaries */
5277 count = min(count, (unsigned int)PAGE_SIZE - offset);
5278
5279 DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
5280
5281 if (PageHighMem(page)) {
5282 unsigned long flags;
5283
5284 /* FIXME: use bounce buffer */
5285 local_irq_save(flags);
5286 buf = kmap_atomic(page, KM_IRQ0);
5287
5288 /* do the actual data transfer */
5289 consumed = ap->ops->data_xfer(dev, buf + offset, count, rw);
5290
5291 kunmap_atomic(buf, KM_IRQ0);
5292 local_irq_restore(flags);
5293 } else {
5294 buf = page_address(page);
5295 consumed = ap->ops->data_xfer(dev, buf + offset, count, rw);
5296 }
5297
5298 bytes -= min(bytes, consumed);
5299 qc->curbytes += count;
5300 qc->cursg_ofs += count;
5301
5302 if (qc->cursg_ofs == sg->length) {
5303 qc->cursg = sg_next(qc->cursg);
5304 qc->cursg_ofs = 0;
5305 }
5306
5307 /* consumed can be larger than count only for the last transfer */
5308 WARN_ON(qc->cursg && count != consumed);
5309
5310 if (bytes)
5311 goto next_sg;
5312 return 0;
5313}
5314
5315/**
5316 * atapi_pio_bytes - Transfer data from/to the ATAPI device.
5317 * @qc: Command on going
5318 *
5319 * Transfer Transfer data from/to the ATAPI device.
5320 *
5321 * LOCKING:
5322 * Inherited from caller.
5323 */
5324
5325static void atapi_pio_bytes(struct ata_queued_cmd *qc)
5326{
5327 struct ata_port *ap = qc->ap;
5328 struct ata_device *dev = qc->dev;
5329 struct ata_eh_info *ehi = &dev->link->eh_info;
5330 unsigned int ireason, bc_lo, bc_hi, bytes;
5331 int i_write, do_write = (qc->tf.flags & ATA_TFLAG_WRITE) ? 1 : 0;
5332
5333 /* Abuse qc->result_tf for temp storage of intermediate TF
5334 * here to save some kernel stack usage.
5335 * For normal completion, qc->result_tf is not relevant. For
5336 * error, qc->result_tf is later overwritten by ata_qc_complete().
5337 * So, the correctness of qc->result_tf is not affected.
5338 */
5339 ap->ops->tf_read(ap, &qc->result_tf);
5340 ireason = qc->result_tf.nsect;
5341 bc_lo = qc->result_tf.lbam;
5342 bc_hi = qc->result_tf.lbah;
5343 bytes = (bc_hi << 8) | bc_lo;
5344
5345 /* shall be cleared to zero, indicating xfer of data */
5346 if (unlikely(ireason & (1 << 0)))
5347 goto atapi_check;
5348
5349 /* make sure transfer direction matches expected */
5350 i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0;
5351 if (unlikely(do_write != i_write))
5352 goto atapi_check;
5353
5354 if (unlikely(!bytes))
5355 goto atapi_check;
5356
5357 VPRINTK("ata%u: xfering %d bytes\n", ap->print_id, bytes);
5358
5359 if (unlikely(__atapi_pio_bytes(qc, bytes)))
5360 goto err_out;
5361 ata_altstatus(ap); /* flush */
5362
5363 return;
5364
5365 atapi_check:
5366 ata_ehi_push_desc(ehi, "ATAPI check failed (ireason=0x%x bytes=%u)",
5367 ireason, bytes);
5368 err_out:
5369 qc->err_mask |= AC_ERR_HSM;
5370 ap->hsm_task_state = HSM_ST_ERR;
5371}
5372
5373/**
5374 * ata_hsm_ok_in_wq - Check if the qc can be handled in the workqueue.
5375 * @ap: the target ata_port
5376 * @qc: qc on going
5377 *
5378 * RETURNS:
5379 * 1 if ok in workqueue, 0 otherwise.
5380 */
5381
5382static inline int ata_hsm_ok_in_wq(struct ata_port *ap, struct ata_queued_cmd *qc)
5383{
5384 if (qc->tf.flags & ATA_TFLAG_POLLING)
5385 return 1;
5386
5387 if (ap->hsm_task_state == HSM_ST_FIRST) {
5388 if (qc->tf.protocol == ATA_PROT_PIO &&
5389 (qc->tf.flags & ATA_TFLAG_WRITE))
5390 return 1;
5391
5392 if (ata_is_atapi(qc->tf.protocol) &&
5393 !(qc->dev->flags & ATA_DFLAG_CDB_INTR))
5394 return 1;
5395 }
5396
5397 return 0;
5398}
5399
5400/**
5401 * ata_hsm_qc_complete - finish a qc running on standard HSM
5402 * @qc: Command to complete
5403 * @in_wq: 1 if called from workqueue, 0 otherwise
5404 *
5405 * Finish @qc which is running on standard HSM.
5406 *
5407 * LOCKING:
5408 * If @in_wq is zero, spin_lock_irqsave(host lock).
5409 * Otherwise, none on entry and grabs host lock.
5410 */
5411static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq)
5412{
5413 struct ata_port *ap = qc->ap;
5414 unsigned long flags;
5415
5416 if (ap->ops->error_handler) {
5417 if (in_wq) {
5418 spin_lock_irqsave(ap->lock, flags);
5419
5420 /* EH might have kicked in while host lock is
5421 * released.
5422 */
5423 qc = ata_qc_from_tag(ap, qc->tag);
5424 if (qc) {
5425 if (likely(!(qc->err_mask & AC_ERR_HSM))) {
5426 ap->ops->irq_on(ap);
5427 ata_qc_complete(qc);
5428 } else
5429 ata_port_freeze(ap);
5430 }
5431
5432 spin_unlock_irqrestore(ap->lock, flags);
5433 } else {
5434 if (likely(!(qc->err_mask & AC_ERR_HSM)))
5435 ata_qc_complete(qc);
5436 else
5437 ata_port_freeze(ap);
5438 }
5439 } else {
5440 if (in_wq) {
5441 spin_lock_irqsave(ap->lock, flags);
5442 ap->ops->irq_on(ap);
5443 ata_qc_complete(qc);
5444 spin_unlock_irqrestore(ap->lock, flags);
5445 } else
5446 ata_qc_complete(qc);
5447 }
5448}
5449
5450/**
5451 * ata_hsm_move - move the HSM to the next state.
5452 * @ap: the target ata_port
5453 * @qc: qc on going
5454 * @status: current device status
5455 * @in_wq: 1 if called from workqueue, 0 otherwise
5456 *
5457 * RETURNS:
5458 * 1 when poll next status needed, 0 otherwise.
5459 */
5460int ata_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
5461 u8 status, int in_wq)
5462{
5463 unsigned long flags = 0;
5464 int poll_next;
5465
5466 WARN_ON((qc->flags & ATA_QCFLAG_ACTIVE) == 0);
5467
5468 /* Make sure ata_qc_issue_prot() does not throw things
5469 * like DMA polling into the workqueue. Notice that
5470 * in_wq is not equivalent to (qc->tf.flags & ATA_TFLAG_POLLING).
5471 */
5472 WARN_ON(in_wq != ata_hsm_ok_in_wq(ap, qc));
5473
5474fsm_start:
5475 DPRINTK("ata%u: protocol %d task_state %d (dev_stat 0x%X)\n",
5476 ap->print_id, qc->tf.protocol, ap->hsm_task_state, status);
5477
5478 switch (ap->hsm_task_state) {
5479 case HSM_ST_FIRST:
5480 /* Send first data block or PACKET CDB */
5481
5482 /* If polling, we will stay in the work queue after
5483 * sending the data. Otherwise, interrupt handler
5484 * takes over after sending the data.
5485 */
5486 poll_next = (qc->tf.flags & ATA_TFLAG_POLLING);
5487
5488 /* check device status */
5489 if (unlikely((status & ATA_DRQ) == 0)) {
5490 /* handle BSY=0, DRQ=0 as error */
5491 if (likely(status & (ATA_ERR | ATA_DF)))
5492 /* device stops HSM for abort/error */
5493 qc->err_mask |= AC_ERR_DEV;
5494 else
5495 /* HSM violation. Let EH handle this */
5496 qc->err_mask |= AC_ERR_HSM;
5497
5498 ap->hsm_task_state = HSM_ST_ERR;
5499 goto fsm_start;
5500 }
5501
5502 /* Device should not ask for data transfer (DRQ=1)
5503 * when it finds something wrong.
5504 * We ignore DRQ here and stop the HSM by
5505 * changing hsm_task_state to HSM_ST_ERR and
5506 * let the EH abort the command or reset the device.
5507 */
5508 if (unlikely(status & (ATA_ERR | ATA_DF))) {
5509 /* Some ATAPI tape drives forget to clear the ERR bit
5510 * when doing the next command (mostly request sense).
5511 * We ignore ERR here to workaround and proceed sending
5512 * the CDB.
5513 */
5514 if (!(qc->dev->horkage & ATA_HORKAGE_STUCK_ERR)) {
5515 ata_port_printk(ap, KERN_WARNING,
5516 "DRQ=1 with device error, "
5517 "dev_stat 0x%X\n", status);
5518 qc->err_mask |= AC_ERR_HSM;
5519 ap->hsm_task_state = HSM_ST_ERR;
5520 goto fsm_start;
5521 }
5522 }
5523
5524 /* Send the CDB (atapi) or the first data block (ata pio out).
5525 * During the state transition, interrupt handler shouldn't
5526 * be invoked before the data transfer is complete and
5527 * hsm_task_state is changed. Hence, the following locking.
5528 */
5529 if (in_wq)
5530 spin_lock_irqsave(ap->lock, flags);
5531
5532 if (qc->tf.protocol == ATA_PROT_PIO) {
5533 /* PIO data out protocol.
5534 * send first data block.
5535 */
5536
5537 /* ata_pio_sectors() might change the state
5538 * to HSM_ST_LAST. so, the state is changed here
5539 * before ata_pio_sectors().
5540 */
5541 ap->hsm_task_state = HSM_ST;
5542 ata_pio_sectors(qc);
5543 } else
5544 /* send CDB */
5545 atapi_send_cdb(ap, qc);
5546
5547 if (in_wq)
5548 spin_unlock_irqrestore(ap->lock, flags);
5549
5550 /* if polling, ata_pio_task() handles the rest.
5551 * otherwise, interrupt handler takes over from here.
5552 */
5553 break;
5554
5555 case HSM_ST:
5556 /* complete command or read/write the data register */
5557 if (qc->tf.protocol == ATAPI_PROT_PIO) {
5558 /* ATAPI PIO protocol */
5559 if ((status & ATA_DRQ) == 0) {
5560 /* No more data to transfer or device error.
5561 * Device error will be tagged in HSM_ST_LAST.
5562 */
5563 ap->hsm_task_state = HSM_ST_LAST;
5564 goto fsm_start;
5565 }
5566
5567 /* Device should not ask for data transfer (DRQ=1)
5568 * when it finds something wrong.
5569 * We ignore DRQ here and stop the HSM by
5570 * changing hsm_task_state to HSM_ST_ERR and
5571 * let the EH abort the command or reset the device.
5572 */
5573 if (unlikely(status & (ATA_ERR | ATA_DF))) {
5574 ata_port_printk(ap, KERN_WARNING, "DRQ=1 with "
5575 "device error, dev_stat 0x%X\n",
5576 status);
5577 qc->err_mask |= AC_ERR_HSM;
5578 ap->hsm_task_state = HSM_ST_ERR;
5579 goto fsm_start;
5580 }
5581
5582 atapi_pio_bytes(qc);
5583
5584 if (unlikely(ap->hsm_task_state == HSM_ST_ERR))
5585 /* bad ireason reported by device */
5586 goto fsm_start;
5587
5588 } else {
5589 /* ATA PIO protocol */
5590 if (unlikely((status & ATA_DRQ) == 0)) {
5591 /* handle BSY=0, DRQ=0 as error */
5592 if (likely(status & (ATA_ERR | ATA_DF)))
5593 /* device stops HSM for abort/error */
5594 qc->err_mask |= AC_ERR_DEV;
5595 else
5596 /* HSM violation. Let EH handle this.
5597 * Phantom devices also trigger this
5598 * condition. Mark hint.
5599 */
5600 qc->err_mask |= AC_ERR_HSM |
5601 AC_ERR_NODEV_HINT;
5602
5603 ap->hsm_task_state = HSM_ST_ERR;
5604 goto fsm_start;
5605 }
5606
5607 /* For PIO reads, some devices may ask for
5608 * data transfer (DRQ=1) alone with ERR=1.
5609 * We respect DRQ here and transfer one
5610 * block of junk data before changing the
5611 * hsm_task_state to HSM_ST_ERR.
5612 *
5613 * For PIO writes, ERR=1 DRQ=1 doesn't make
5614 * sense since the data block has been
5615 * transferred to the device.
5616 */
5617 if (unlikely(status & (ATA_ERR | ATA_DF))) {
5618 /* data might be corrputed */
5619 qc->err_mask |= AC_ERR_DEV;
5620
5621 if (!(qc->tf.flags & ATA_TFLAG_WRITE)) {
5622 ata_pio_sectors(qc);
5623 status = ata_wait_idle(ap);
5624 }
5625
5626 if (status & (ATA_BUSY | ATA_DRQ))
5627 qc->err_mask |= AC_ERR_HSM;
5628
5629 /* ata_pio_sectors() might change the
5630 * state to HSM_ST_LAST. so, the state
5631 * is changed after ata_pio_sectors().
5632 */
5633 ap->hsm_task_state = HSM_ST_ERR;
5634 goto fsm_start;
5635 }
5636
5637 ata_pio_sectors(qc);
5638
5639 if (ap->hsm_task_state == HSM_ST_LAST &&
5640 (!(qc->tf.flags & ATA_TFLAG_WRITE))) {
5641 /* all data read */
5642 status = ata_wait_idle(ap);
5643 goto fsm_start;
5644 }
5645 }
5646
5647 poll_next = 1;
5648 break;
5649
5650 case HSM_ST_LAST:
5651 if (unlikely(!ata_ok(status))) {
5652 qc->err_mask |= __ac_err_mask(status);
5653 ap->hsm_task_state = HSM_ST_ERR;
5654 goto fsm_start;
5655 }
5656
5657 /* no more data to transfer */
5658 DPRINTK("ata%u: dev %u command complete, drv_stat 0x%x\n",
5659 ap->print_id, qc->dev->devno, status);
5660
5661 WARN_ON(qc->err_mask);
5662
5663 ap->hsm_task_state = HSM_ST_IDLE;
5664
5665 /* complete taskfile transaction */
5666 ata_hsm_qc_complete(qc, in_wq);
5667
5668 poll_next = 0;
5669 break;
5670
5671 case HSM_ST_ERR:
5672 /* make sure qc->err_mask is available to
5673 * know what's wrong and recover
5674 */
5675 WARN_ON(qc->err_mask == 0);
5676
5677 ap->hsm_task_state = HSM_ST_IDLE;
5678
5679 /* complete taskfile transaction */
5680 ata_hsm_qc_complete(qc, in_wq);
5681
5682 poll_next = 0;
5683 break;
5684 default:
5685 poll_next = 0;
5686 BUG();
5687 }
5688
5689 return poll_next;
5690}
5691
5692static void ata_pio_task(struct work_struct *work)
5693{
5694 struct ata_port *ap =
5695 container_of(work, struct ata_port, port_task.work);
5696 struct ata_queued_cmd *qc = ap->port_task_data;
5697 u8 status;
5698 int poll_next;
5699
5700fsm_start:
5701 WARN_ON(ap->hsm_task_state == HSM_ST_IDLE);
5702
5703 /*
5704 * This is purely heuristic. This is a fast path.
5705 * Sometimes when we enter, BSY will be cleared in
5706 * a chk-status or two. If not, the drive is probably seeking
5707 * or something. Snooze for a couple msecs, then
5708 * chk-status again. If still busy, queue delayed work.
5709 */
5710 status = ata_busy_wait(ap, ATA_BUSY, 5);
5711 if (status & ATA_BUSY) {
5712 msleep(2);
5713 status = ata_busy_wait(ap, ATA_BUSY, 10);
5714 if (status & ATA_BUSY) {
5715 ata_pio_queue_task(ap, qc, ATA_SHORT_PAUSE);
5716 return;
5717 }
5718 }
5719
5720 /* move the HSM */
5721 poll_next = ata_hsm_move(ap, qc, status, 1);
5722
5723 /* another command or interrupt handler
5724 * may be running at this point.
5725 */
5726 if (poll_next)
5727 goto fsm_start;
5728}
5729
5730/**
5731 * ata_qc_new - Request an available ATA command, for queueing 4430 * ata_qc_new - Request an available ATA command, for queueing
5732 * @ap: Port associated with device @dev 4431 * @ap: Port associated with device @dev
5733 * @dev: Device from whom we request an available command structure 4432 * @dev: Device from whom we request an available command structure
@@ -5850,7 +4549,7 @@ static void fill_result_tf(struct ata_queued_cmd *qc)
5850 struct ata_port *ap = qc->ap; 4549 struct ata_port *ap = qc->ap;
5851 4550
5852 qc->result_tf.flags = qc->tf.flags; 4551 qc->result_tf.flags = qc->tf.flags;
5853 ap->ops->tf_read(ap, &qc->result_tf); 4552 ap->ops->qc_fill_rtf(qc);
5854} 4553}
5855 4554
5856static void ata_verify_xfer(struct ata_queued_cmd *qc) 4555static void ata_verify_xfer(struct ata_queued_cmd *qc)
@@ -5960,7 +4659,6 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
5960 * ata_qc_complete_multiple - Complete multiple qcs successfully 4659 * ata_qc_complete_multiple - Complete multiple qcs successfully
5961 * @ap: port in question 4660 * @ap: port in question
5962 * @qc_active: new qc_active mask 4661 * @qc_active: new qc_active mask
5963 * @finish_qc: LLDD callback invoked before completing a qc
5964 * 4662 *
5965 * Complete in-flight commands. This functions is meant to be 4663 * Complete in-flight commands. This functions is meant to be
5966 * called from low-level driver's interrupt routine to complete 4664 * called from low-level driver's interrupt routine to complete
@@ -5973,8 +4671,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
5973 * RETURNS: 4671 * RETURNS:
5974 * Number of completed commands on success, -errno otherwise. 4672 * Number of completed commands on success, -errno otherwise.
5975 */ 4673 */
5976int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active, 4674int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active)
5977 void (*finish_qc)(struct ata_queued_cmd *))
5978{ 4675{
5979 int nr_done = 0; 4676 int nr_done = 0;
5980 u32 done_mask; 4677 u32 done_mask;
@@ -5995,8 +4692,6 @@ int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active,
5995 continue; 4692 continue;
5996 4693
5997 if ((qc = ata_qc_from_tag(ap, i))) { 4694 if ((qc = ata_qc_from_tag(ap, i))) {
5998 if (finish_qc)
5999 finish_qc(qc);
6000 ata_qc_complete(qc); 4695 ata_qc_complete(qc);
6001 nr_done++; 4696 nr_done++;
6002 } 4697 }
@@ -6055,9 +4750,9 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
6055 if (ata_sg_setup(qc)) 4750 if (ata_sg_setup(qc))
6056 goto sg_err; 4751 goto sg_err;
6057 4752
6058 /* if device is sleeping, schedule softreset and abort the link */ 4753 /* if device is sleeping, schedule reset and abort the link */
6059 if (unlikely(qc->dev->flags & ATA_DFLAG_SLEEPING)) { 4754 if (unlikely(qc->dev->flags & ATA_DFLAG_SLEEPING)) {
6060 link->eh_info.action |= ATA_EH_SOFTRESET; 4755 link->eh_info.action |= ATA_EH_RESET;
6061 ata_ehi_push_desc(&link->eh_info, "waking up from sleep"); 4756 ata_ehi_push_desc(&link->eh_info, "waking up from sleep");
6062 ata_link_abort(link); 4757 ata_link_abort(link);
6063 return; 4758 return;
@@ -6077,285 +4772,6 @@ err:
6077} 4772}
6078 4773
6079/** 4774/**
6080 * ata_qc_issue_prot - issue taskfile to device in proto-dependent manner
6081 * @qc: command to issue to device
6082 *
6083 * Using various libata functions and hooks, this function
6084 * starts an ATA command. ATA commands are grouped into
6085 * classes called "protocols", and issuing each type of protocol
6086 * is slightly different.
6087 *
6088 * May be used as the qc_issue() entry in ata_port_operations.
6089 *
6090 * LOCKING:
6091 * spin_lock_irqsave(host lock)
6092 *
6093 * RETURNS:
6094 * Zero on success, AC_ERR_* mask on failure
6095 */
6096
6097unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
6098{
6099 struct ata_port *ap = qc->ap;
6100
6101 /* Use polling pio if the LLD doesn't handle
6102 * interrupt driven pio and atapi CDB interrupt.
6103 */
6104 if (ap->flags & ATA_FLAG_PIO_POLLING) {
6105 switch (qc->tf.protocol) {
6106 case ATA_PROT_PIO:
6107 case ATA_PROT_NODATA:
6108 case ATAPI_PROT_PIO:
6109 case ATAPI_PROT_NODATA:
6110 qc->tf.flags |= ATA_TFLAG_POLLING;
6111 break;
6112 case ATAPI_PROT_DMA:
6113 if (qc->dev->flags & ATA_DFLAG_CDB_INTR)
6114 /* see ata_dma_blacklisted() */
6115 BUG();
6116 break;
6117 default:
6118 break;
6119 }
6120 }
6121
6122 /* select the device */
6123 ata_dev_select(ap, qc->dev->devno, 1, 0);
6124
6125 /* start the command */
6126 switch (qc->tf.protocol) {
6127 case ATA_PROT_NODATA:
6128 if (qc->tf.flags & ATA_TFLAG_POLLING)
6129 ata_qc_set_polling(qc);
6130
6131 ata_tf_to_host(ap, &qc->tf);
6132 ap->hsm_task_state = HSM_ST_LAST;
6133
6134 if (qc->tf.flags & ATA_TFLAG_POLLING)
6135 ata_pio_queue_task(ap, qc, 0);
6136
6137 break;
6138
6139 case ATA_PROT_DMA:
6140 WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
6141
6142 ap->ops->tf_load(ap, &qc->tf); /* load tf registers */
6143 ap->ops->bmdma_setup(qc); /* set up bmdma */
6144 ap->ops->bmdma_start(qc); /* initiate bmdma */
6145 ap->hsm_task_state = HSM_ST_LAST;
6146 break;
6147
6148 case ATA_PROT_PIO:
6149 if (qc->tf.flags & ATA_TFLAG_POLLING)
6150 ata_qc_set_polling(qc);
6151
6152 ata_tf_to_host(ap, &qc->tf);
6153
6154 if (qc->tf.flags & ATA_TFLAG_WRITE) {
6155 /* PIO data out protocol */
6156 ap->hsm_task_state = HSM_ST_FIRST;
6157 ata_pio_queue_task(ap, qc, 0);
6158
6159 /* always send first data block using
6160 * the ata_pio_task() codepath.
6161 */
6162 } else {
6163 /* PIO data in protocol */
6164 ap->hsm_task_state = HSM_ST;
6165
6166 if (qc->tf.flags & ATA_TFLAG_POLLING)
6167 ata_pio_queue_task(ap, qc, 0);
6168
6169 /* if polling, ata_pio_task() handles the rest.
6170 * otherwise, interrupt handler takes over from here.
6171 */
6172 }
6173
6174 break;
6175
6176 case ATAPI_PROT_PIO:
6177 case ATAPI_PROT_NODATA:
6178 if (qc->tf.flags & ATA_TFLAG_POLLING)
6179 ata_qc_set_polling(qc);
6180
6181 ata_tf_to_host(ap, &qc->tf);
6182
6183 ap->hsm_task_state = HSM_ST_FIRST;
6184
6185 /* send cdb by polling if no cdb interrupt */
6186 if ((!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) ||
6187 (qc->tf.flags & ATA_TFLAG_POLLING))
6188 ata_pio_queue_task(ap, qc, 0);
6189 break;
6190
6191 case ATAPI_PROT_DMA:
6192 WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
6193
6194 ap->ops->tf_load(ap, &qc->tf); /* load tf registers */
6195 ap->ops->bmdma_setup(qc); /* set up bmdma */
6196 ap->hsm_task_state = HSM_ST_FIRST;
6197
6198 /* send cdb by polling if no cdb interrupt */
6199 if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
6200 ata_pio_queue_task(ap, qc, 0);
6201 break;
6202
6203 default:
6204 WARN_ON(1);
6205 return AC_ERR_SYSTEM;
6206 }
6207
6208 return 0;
6209}
6210
6211/**
6212 * ata_host_intr - Handle host interrupt for given (port, task)
6213 * @ap: Port on which interrupt arrived (possibly...)
6214 * @qc: Taskfile currently active in engine
6215 *
6216 * Handle host interrupt for given queued command. Currently,
6217 * only DMA interrupts are handled. All other commands are
6218 * handled via polling with interrupts disabled (nIEN bit).
6219 *
6220 * LOCKING:
6221 * spin_lock_irqsave(host lock)
6222 *
6223 * RETURNS:
6224 * One if interrupt was handled, zero if not (shared irq).
6225 */
6226
6227inline unsigned int ata_host_intr(struct ata_port *ap,
6228 struct ata_queued_cmd *qc)
6229{
6230 struct ata_eh_info *ehi = &ap->link.eh_info;
6231 u8 status, host_stat = 0;
6232
6233 VPRINTK("ata%u: protocol %d task_state %d\n",
6234 ap->print_id, qc->tf.protocol, ap->hsm_task_state);
6235
6236 /* Check whether we are expecting interrupt in this state */
6237 switch (ap->hsm_task_state) {
6238 case HSM_ST_FIRST:
6239 /* Some pre-ATAPI-4 devices assert INTRQ
6240 * at this state when ready to receive CDB.
6241 */
6242
6243 /* Check the ATA_DFLAG_CDB_INTR flag is enough here.
6244 * The flag was turned on only for atapi devices. No
6245 * need to check ata_is_atapi(qc->tf.protocol) again.
6246 */
6247 if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
6248 goto idle_irq;
6249 break;
6250 case HSM_ST_LAST:
6251 if (qc->tf.protocol == ATA_PROT_DMA ||
6252 qc->tf.protocol == ATAPI_PROT_DMA) {
6253 /* check status of DMA engine */
6254 host_stat = ap->ops->bmdma_status(ap);
6255 VPRINTK("ata%u: host_stat 0x%X\n",
6256 ap->print_id, host_stat);
6257
6258 /* if it's not our irq... */
6259 if (!(host_stat & ATA_DMA_INTR))
6260 goto idle_irq;
6261
6262 /* before we do anything else, clear DMA-Start bit */
6263 ap->ops->bmdma_stop(qc);
6264
6265 if (unlikely(host_stat & ATA_DMA_ERR)) {
6266 /* error when transfering data to/from memory */
6267 qc->err_mask |= AC_ERR_HOST_BUS;
6268 ap->hsm_task_state = HSM_ST_ERR;
6269 }
6270 }
6271 break;
6272 case HSM_ST:
6273 break;
6274 default:
6275 goto idle_irq;
6276 }
6277
6278 /* check altstatus */
6279 status = ata_altstatus(ap);
6280 if (status & ATA_BUSY)
6281 goto idle_irq;
6282
6283 /* check main status, clearing INTRQ */
6284 status = ata_chk_status(ap);
6285 if (unlikely(status & ATA_BUSY))
6286 goto idle_irq;
6287
6288 /* ack bmdma irq events */
6289 ap->ops->irq_clear(ap);
6290
6291 ata_hsm_move(ap, qc, status, 0);
6292
6293 if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA ||
6294 qc->tf.protocol == ATAPI_PROT_DMA))
6295 ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat);
6296
6297 return 1; /* irq handled */
6298
6299idle_irq:
6300 ap->stats.idle_irq++;
6301
6302#ifdef ATA_IRQ_TRAP
6303 if ((ap->stats.idle_irq % 1000) == 0) {
6304 ata_chk_status(ap);
6305 ap->ops->irq_clear(ap);
6306 ata_port_printk(ap, KERN_WARNING, "irq trap\n");
6307 return 1;
6308 }
6309#endif
6310 return 0; /* irq not handled */
6311}
6312
6313/**
6314 * ata_interrupt - Default ATA host interrupt handler
6315 * @irq: irq line (unused)
6316 * @dev_instance: pointer to our ata_host information structure
6317 *
6318 * Default interrupt handler for PCI IDE devices. Calls
6319 * ata_host_intr() for each port that is not disabled.
6320 *
6321 * LOCKING:
6322 * Obtains host lock during operation.
6323 *
6324 * RETURNS:
6325 * IRQ_NONE or IRQ_HANDLED.
6326 */
6327
6328irqreturn_t ata_interrupt(int irq, void *dev_instance)
6329{
6330 struct ata_host *host = dev_instance;
6331 unsigned int i;
6332 unsigned int handled = 0;
6333 unsigned long flags;
6334
6335 /* TODO: make _irqsave conditional on x86 PCI IDE legacy mode */
6336 spin_lock_irqsave(&host->lock, flags);
6337
6338 for (i = 0; i < host->n_ports; i++) {
6339 struct ata_port *ap;
6340
6341 ap = host->ports[i];
6342 if (ap &&
6343 !(ap->flags & ATA_FLAG_DISABLED)) {
6344 struct ata_queued_cmd *qc;
6345
6346 qc = ata_qc_from_tag(ap, ap->link.active_tag);
6347 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)) &&
6348 (qc->flags & ATA_QCFLAG_ACTIVE))
6349 handled |= ata_host_intr(ap, qc);
6350 }
6351 }
6352
6353 spin_unlock_irqrestore(&host->lock, flags);
6354
6355 return IRQ_RETVAL(handled);
6356}
6357
6358/**
6359 * sata_scr_valid - test whether SCRs are accessible 4775 * sata_scr_valid - test whether SCRs are accessible
6360 * @link: ATA link to test SCR accessibility for 4776 * @link: ATA link to test SCR accessibility for
6361 * 4777 *
@@ -6513,32 +4929,6 @@ int ata_link_offline(struct ata_link *link)
6513 return 0; 4929 return 0;
6514} 4930}
6515 4931
6516int ata_flush_cache(struct ata_device *dev)
6517{
6518 unsigned int err_mask;
6519 u8 cmd;
6520
6521 if (!ata_try_flush_cache(dev))
6522 return 0;
6523
6524 if (dev->flags & ATA_DFLAG_FLUSH_EXT)
6525 cmd = ATA_CMD_FLUSH_EXT;
6526 else
6527 cmd = ATA_CMD_FLUSH;
6528
6529 /* This is wrong. On a failed flush we get back the LBA of the lost
6530 sector and we should (assuming it wasn't aborted as unknown) issue
6531 a further flush command to continue the writeback until it
6532 does not error */
6533 err_mask = ata_do_simple_cmd(dev, cmd);
6534 if (err_mask) {
6535 ata_dev_printk(dev, KERN_ERR, "failed to flush cache\n");
6536 return -EIO;
6537 }
6538
6539 return 0;
6540}
6541
6542#ifdef CONFIG_PM 4932#ifdef CONFIG_PM
6543static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg, 4933static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg,
6544 unsigned int action, unsigned int ehi_flags, 4934 unsigned int action, unsigned int ehi_flags,
@@ -6634,7 +5024,7 @@ int ata_host_suspend(struct ata_host *host, pm_message_t mesg)
6634 */ 5024 */
6635void ata_host_resume(struct ata_host *host) 5025void ata_host_resume(struct ata_host *host)
6636{ 5026{
6637 ata_host_request_pm(host, PMSG_ON, ATA_EH_SOFTRESET, 5027 ata_host_request_pm(host, PMSG_ON, ATA_EH_RESET,
6638 ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET, 0); 5028 ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET, 0);
6639 host->dev->power.power_state = PMSG_ON; 5029 host->dev->power.power_state = PMSG_ON;
6640 5030
@@ -6809,7 +5199,9 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
6809 ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN; 5199 ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN;
6810#endif 5200#endif
6811 5201
5202#ifdef CONFIG_ATA_SFF
6812 INIT_DELAYED_WORK(&ap->port_task, ata_pio_task); 5203 INIT_DELAYED_WORK(&ap->port_task, ata_pio_task);
5204#endif
6813 INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug); 5205 INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);
6814 INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan); 5206 INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
6815 INIT_LIST_HEAD(&ap->eh_done_q); 5207 INIT_LIST_HEAD(&ap->eh_done_q);
@@ -6959,8 +5351,6 @@ struct ata_host *ata_host_alloc_pinfo(struct device *dev,
6959 5351
6960 if (!host->ops && (pi->port_ops != &ata_dummy_port_ops)) 5352 if (!host->ops && (pi->port_ops != &ata_dummy_port_ops))
6961 host->ops = pi->port_ops; 5353 host->ops = pi->port_ops;
6962 if (!host->private_data && pi->private_data)
6963 host->private_data = pi->private_data;
6964 } 5354 }
6965 5355
6966 return host; 5356 return host;
@@ -6985,6 +5375,56 @@ static void ata_host_stop(struct device *gendev, void *res)
6985} 5375}
6986 5376
6987/** 5377/**
5378 * ata_finalize_port_ops - finalize ata_port_operations
5379 * @ops: ata_port_operations to finalize
5380 *
5381 * An ata_port_operations can inherit from another ops and that
5382 * ops can again inherit from another. This can go on as many
5383 * times as necessary as long as there is no loop in the
5384 * inheritance chain.
5385 *
5386 * Ops tables are finalized when the host is started. NULL or
5387 * unspecified entries are inherited from the closet ancestor
5388 * which has the method and the entry is populated with it.
5389 * After finalization, the ops table directly points to all the
5390 * methods and ->inherits is no longer necessary and cleared.
5391 *
5392 * Using ATA_OP_NULL, inheriting ops can force a method to NULL.
5393 *
5394 * LOCKING:
5395 * None.
5396 */
5397static void ata_finalize_port_ops(struct ata_port_operations *ops)
5398{
5399 static spinlock_t lock = SPIN_LOCK_UNLOCKED;
5400 const struct ata_port_operations *cur;
5401 void **begin = (void **)ops;
5402 void **end = (void **)&ops->inherits;
5403 void **pp;
5404
5405 if (!ops || !ops->inherits)
5406 return;
5407
5408 spin_lock(&lock);
5409
5410 for (cur = ops->inherits; cur; cur = cur->inherits) {
5411 void **inherit = (void **)cur;
5412
5413 for (pp = begin; pp < end; pp++, inherit++)
5414 if (!*pp)
5415 *pp = *inherit;
5416 }
5417
5418 for (pp = begin; pp < end; pp++)
5419 if (IS_ERR(*pp))
5420 *pp = NULL;
5421
5422 ops->inherits = NULL;
5423
5424 spin_unlock(&lock);
5425}
5426
5427/**
6988 * ata_host_start - start and freeze ports of an ATA host 5428 * ata_host_start - start and freeze ports of an ATA host
6989 * @host: ATA host to start ports for 5429 * @host: ATA host to start ports for
6990 * 5430 *
@@ -7009,9 +5449,13 @@ int ata_host_start(struct ata_host *host)
7009 if (host->flags & ATA_HOST_STARTED) 5449 if (host->flags & ATA_HOST_STARTED)
7010 return 0; 5450 return 0;
7011 5451
5452 ata_finalize_port_ops(host->ops);
5453
7012 for (i = 0; i < host->n_ports; i++) { 5454 for (i = 0; i < host->n_ports; i++) {
7013 struct ata_port *ap = host->ports[i]; 5455 struct ata_port *ap = host->ports[i];
7014 5456
5457 ata_finalize_port_ops(ap->ops);
5458
7015 if (!host->ops && !ata_port_is_dummy(ap)) 5459 if (!host->ops && !ata_port_is_dummy(ap))
7016 host->ops = ap->ops; 5460 host->ops = ap->ops;
7017 5461
@@ -7073,7 +5517,7 @@ int ata_host_start(struct ata_host *host)
7073 */ 5517 */
7074/* KILLME - the only user left is ipr */ 5518/* KILLME - the only user left is ipr */
7075void ata_host_init(struct ata_host *host, struct device *dev, 5519void ata_host_init(struct ata_host *host, struct device *dev,
7076 unsigned long flags, const struct ata_port_operations *ops) 5520 unsigned long flags, struct ata_port_operations *ops)
7077{ 5521{
7078 spin_lock_init(&host->lock); 5522 spin_lock_init(&host->lock);
7079 host->dev = dev; 5523 host->dev = dev;
@@ -7169,9 +5613,8 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
7169 /* kick EH for boot probing */ 5613 /* kick EH for boot probing */
7170 spin_lock_irqsave(ap->lock, flags); 5614 spin_lock_irqsave(ap->lock, flags);
7171 5615
7172 ehi->probe_mask = 5616 ehi->probe_mask |= ATA_ALL_DEVICES;
7173 (1 << ata_link_max_devices(&ap->link)) - 1; 5617 ehi->action |= ATA_EH_RESET;
7174 ehi->action |= ATA_EH_SOFTRESET;
7175 ehi->flags |= ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET; 5618 ehi->flags |= ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET;
7176 5619
7177 ap->pflags &= ~ATA_PFLAG_INITIALIZING; 5620 ap->pflags &= ~ATA_PFLAG_INITIALIZING;
@@ -7336,33 +5779,6 @@ void ata_host_detach(struct ata_host *host)
7336 ata_acpi_dissociate(host); 5779 ata_acpi_dissociate(host);
7337} 5780}
7338 5781
7339/**
7340 * ata_std_ports - initialize ioaddr with standard port offsets.
7341 * @ioaddr: IO address structure to be initialized
7342 *
7343 * Utility function which initializes data_addr, error_addr,
7344 * feature_addr, nsect_addr, lbal_addr, lbam_addr, lbah_addr,
7345 * device_addr, status_addr, and command_addr to standard offsets
7346 * relative to cmd_addr.
7347 *
7348 * Does not set ctl_addr, altstatus_addr, bmdma_addr, or scr_addr.
7349 */
7350
7351void ata_std_ports(struct ata_ioports *ioaddr)
7352{
7353 ioaddr->data_addr = ioaddr->cmd_addr + ATA_REG_DATA;
7354 ioaddr->error_addr = ioaddr->cmd_addr + ATA_REG_ERR;
7355 ioaddr->feature_addr = ioaddr->cmd_addr + ATA_REG_FEATURE;
7356 ioaddr->nsect_addr = ioaddr->cmd_addr + ATA_REG_NSECT;
7357 ioaddr->lbal_addr = ioaddr->cmd_addr + ATA_REG_LBAL;
7358 ioaddr->lbam_addr = ioaddr->cmd_addr + ATA_REG_LBAM;
7359 ioaddr->lbah_addr = ioaddr->cmd_addr + ATA_REG_LBAH;
7360 ioaddr->device_addr = ioaddr->cmd_addr + ATA_REG_DEVICE;
7361 ioaddr->status_addr = ioaddr->cmd_addr + ATA_REG_STATUS;
7362 ioaddr->command_addr = ioaddr->cmd_addr + ATA_REG_CMD;
7363}
7364
7365
7366#ifdef CONFIG_PCI 5782#ifdef CONFIG_PCI
7367 5783
7368/** 5784/**
@@ -7749,33 +6165,20 @@ u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
7749/* 6165/*
7750 * Dummy port_ops 6166 * Dummy port_ops
7751 */ 6167 */
7752static void ata_dummy_noret(struct ata_port *ap) { } 6168static unsigned int ata_dummy_qc_issue(struct ata_queued_cmd *qc)
7753static int ata_dummy_ret0(struct ata_port *ap) { return 0; }
7754static void ata_dummy_qc_noret(struct ata_queued_cmd *qc) { }
7755
7756static u8 ata_dummy_check_status(struct ata_port *ap)
7757{ 6169{
7758 return ATA_DRDY; 6170 return AC_ERR_SYSTEM;
7759} 6171}
7760 6172
7761static unsigned int ata_dummy_qc_issue(struct ata_queued_cmd *qc) 6173static void ata_dummy_error_handler(struct ata_port *ap)
7762{ 6174{
7763 return AC_ERR_SYSTEM; 6175 /* truly dummy */
7764} 6176}
7765 6177
7766const struct ata_port_operations ata_dummy_port_ops = { 6178struct ata_port_operations ata_dummy_port_ops = {
7767 .check_status = ata_dummy_check_status,
7768 .check_altstatus = ata_dummy_check_status,
7769 .dev_select = ata_noop_dev_select,
7770 .qc_prep = ata_noop_qc_prep, 6179 .qc_prep = ata_noop_qc_prep,
7771 .qc_issue = ata_dummy_qc_issue, 6180 .qc_issue = ata_dummy_qc_issue,
7772 .freeze = ata_dummy_noret, 6181 .error_handler = ata_dummy_error_handler,
7773 .thaw = ata_dummy_noret,
7774 .error_handler = ata_dummy_noret,
7775 .post_internal_cmd = ata_dummy_qc_noret,
7776 .irq_clear = ata_dummy_noret,
7777 .port_start = ata_dummy_ret0,
7778 .port_stop = ata_dummy_noret,
7779}; 6182};
7780 6183
7781const struct ata_port_info ata_dummy_port_info = { 6184const struct ata_port_info ata_dummy_port_info = {
@@ -7791,10 +6194,11 @@ const struct ata_port_info ata_dummy_port_info = {
7791EXPORT_SYMBOL_GPL(sata_deb_timing_normal); 6194EXPORT_SYMBOL_GPL(sata_deb_timing_normal);
7792EXPORT_SYMBOL_GPL(sata_deb_timing_hotplug); 6195EXPORT_SYMBOL_GPL(sata_deb_timing_hotplug);
7793EXPORT_SYMBOL_GPL(sata_deb_timing_long); 6196EXPORT_SYMBOL_GPL(sata_deb_timing_long);
6197EXPORT_SYMBOL_GPL(ata_base_port_ops);
6198EXPORT_SYMBOL_GPL(sata_port_ops);
7794EXPORT_SYMBOL_GPL(ata_dummy_port_ops); 6199EXPORT_SYMBOL_GPL(ata_dummy_port_ops);
7795EXPORT_SYMBOL_GPL(ata_dummy_port_info); 6200EXPORT_SYMBOL_GPL(ata_dummy_port_info);
7796EXPORT_SYMBOL_GPL(ata_std_bios_param); 6201EXPORT_SYMBOL_GPL(ata_std_bios_param);
7797EXPORT_SYMBOL_GPL(ata_std_ports);
7798EXPORT_SYMBOL_GPL(ata_host_init); 6202EXPORT_SYMBOL_GPL(ata_host_init);
7799EXPORT_SYMBOL_GPL(ata_host_alloc); 6203EXPORT_SYMBOL_GPL(ata_host_alloc);
7800EXPORT_SYMBOL_GPL(ata_host_alloc_pinfo); 6204EXPORT_SYMBOL_GPL(ata_host_alloc_pinfo);
@@ -7803,14 +6207,8 @@ EXPORT_SYMBOL_GPL(ata_host_register);
7803EXPORT_SYMBOL_GPL(ata_host_activate); 6207EXPORT_SYMBOL_GPL(ata_host_activate);
7804EXPORT_SYMBOL_GPL(ata_host_detach); 6208EXPORT_SYMBOL_GPL(ata_host_detach);
7805EXPORT_SYMBOL_GPL(ata_sg_init); 6209EXPORT_SYMBOL_GPL(ata_sg_init);
7806EXPORT_SYMBOL_GPL(ata_hsm_move);
7807EXPORT_SYMBOL_GPL(ata_qc_complete); 6210EXPORT_SYMBOL_GPL(ata_qc_complete);
7808EXPORT_SYMBOL_GPL(ata_qc_complete_multiple); 6211EXPORT_SYMBOL_GPL(ata_qc_complete_multiple);
7809EXPORT_SYMBOL_GPL(ata_qc_issue_prot);
7810EXPORT_SYMBOL_GPL(ata_tf_load);
7811EXPORT_SYMBOL_GPL(ata_tf_read);
7812EXPORT_SYMBOL_GPL(ata_noop_dev_select);
7813EXPORT_SYMBOL_GPL(ata_std_dev_select);
7814EXPORT_SYMBOL_GPL(sata_print_link_status); 6212EXPORT_SYMBOL_GPL(sata_print_link_status);
7815EXPORT_SYMBOL_GPL(atapi_cmd_type); 6213EXPORT_SYMBOL_GPL(atapi_cmd_type);
7816EXPORT_SYMBOL_GPL(ata_tf_to_fis); 6214EXPORT_SYMBOL_GPL(ata_tf_to_fis);
@@ -7822,37 +6220,17 @@ EXPORT_SYMBOL_GPL(ata_xfer_mode2mask);
7822EXPORT_SYMBOL_GPL(ata_xfer_mode2shift); 6220EXPORT_SYMBOL_GPL(ata_xfer_mode2shift);
7823EXPORT_SYMBOL_GPL(ata_mode_string); 6221EXPORT_SYMBOL_GPL(ata_mode_string);
7824EXPORT_SYMBOL_GPL(ata_id_xfermask); 6222EXPORT_SYMBOL_GPL(ata_id_xfermask);
7825EXPORT_SYMBOL_GPL(ata_check_status);
7826EXPORT_SYMBOL_GPL(ata_altstatus);
7827EXPORT_SYMBOL_GPL(ata_exec_command);
7828EXPORT_SYMBOL_GPL(ata_port_start); 6223EXPORT_SYMBOL_GPL(ata_port_start);
7829EXPORT_SYMBOL_GPL(ata_sff_port_start);
7830EXPORT_SYMBOL_GPL(ata_interrupt);
7831EXPORT_SYMBOL_GPL(ata_do_set_mode); 6224EXPORT_SYMBOL_GPL(ata_do_set_mode);
7832EXPORT_SYMBOL_GPL(ata_data_xfer);
7833EXPORT_SYMBOL_GPL(ata_data_xfer_noirq);
7834EXPORT_SYMBOL_GPL(ata_std_qc_defer); 6225EXPORT_SYMBOL_GPL(ata_std_qc_defer);
7835EXPORT_SYMBOL_GPL(ata_qc_prep);
7836EXPORT_SYMBOL_GPL(ata_dumb_qc_prep);
7837EXPORT_SYMBOL_GPL(ata_noop_qc_prep); 6226EXPORT_SYMBOL_GPL(ata_noop_qc_prep);
7838EXPORT_SYMBOL_GPL(ata_bmdma_setup);
7839EXPORT_SYMBOL_GPL(ata_bmdma_start);
7840EXPORT_SYMBOL_GPL(ata_bmdma_irq_clear);
7841EXPORT_SYMBOL_GPL(ata_bmdma_status);
7842EXPORT_SYMBOL_GPL(ata_bmdma_stop);
7843EXPORT_SYMBOL_GPL(ata_bmdma_freeze);
7844EXPORT_SYMBOL_GPL(ata_bmdma_thaw);
7845EXPORT_SYMBOL_GPL(ata_bmdma_drive_eh);
7846EXPORT_SYMBOL_GPL(ata_bmdma_error_handler);
7847EXPORT_SYMBOL_GPL(ata_bmdma_post_internal_cmd);
7848EXPORT_SYMBOL_GPL(ata_port_probe); 6227EXPORT_SYMBOL_GPL(ata_port_probe);
7849EXPORT_SYMBOL_GPL(ata_dev_disable); 6228EXPORT_SYMBOL_GPL(ata_dev_disable);
7850EXPORT_SYMBOL_GPL(sata_set_spd); 6229EXPORT_SYMBOL_GPL(sata_set_spd);
6230EXPORT_SYMBOL_GPL(ata_wait_after_reset);
7851EXPORT_SYMBOL_GPL(sata_link_debounce); 6231EXPORT_SYMBOL_GPL(sata_link_debounce);
7852EXPORT_SYMBOL_GPL(sata_link_resume); 6232EXPORT_SYMBOL_GPL(sata_link_resume);
7853EXPORT_SYMBOL_GPL(ata_bus_reset);
7854EXPORT_SYMBOL_GPL(ata_std_prereset); 6233EXPORT_SYMBOL_GPL(ata_std_prereset);
7855EXPORT_SYMBOL_GPL(ata_std_softreset);
7856EXPORT_SYMBOL_GPL(sata_link_hardreset); 6234EXPORT_SYMBOL_GPL(sata_link_hardreset);
7857EXPORT_SYMBOL_GPL(sata_std_hardreset); 6235EXPORT_SYMBOL_GPL(sata_std_hardreset);
7858EXPORT_SYMBOL_GPL(ata_std_postreset); 6236EXPORT_SYMBOL_GPL(ata_std_postreset);
@@ -7861,15 +6239,11 @@ EXPORT_SYMBOL_GPL(ata_dev_pair);
7861EXPORT_SYMBOL_GPL(ata_port_disable); 6239EXPORT_SYMBOL_GPL(ata_port_disable);
7862EXPORT_SYMBOL_GPL(ata_ratelimit); 6240EXPORT_SYMBOL_GPL(ata_ratelimit);
7863EXPORT_SYMBOL_GPL(ata_wait_register); 6241EXPORT_SYMBOL_GPL(ata_wait_register);
7864EXPORT_SYMBOL_GPL(ata_busy_sleep);
7865EXPORT_SYMBOL_GPL(ata_wait_after_reset);
7866EXPORT_SYMBOL_GPL(ata_wait_ready);
7867EXPORT_SYMBOL_GPL(ata_scsi_ioctl); 6242EXPORT_SYMBOL_GPL(ata_scsi_ioctl);
7868EXPORT_SYMBOL_GPL(ata_scsi_queuecmd); 6243EXPORT_SYMBOL_GPL(ata_scsi_queuecmd);
7869EXPORT_SYMBOL_GPL(ata_scsi_slave_config); 6244EXPORT_SYMBOL_GPL(ata_scsi_slave_config);
7870EXPORT_SYMBOL_GPL(ata_scsi_slave_destroy); 6245EXPORT_SYMBOL_GPL(ata_scsi_slave_destroy);
7871EXPORT_SYMBOL_GPL(ata_scsi_change_queue_depth); 6246EXPORT_SYMBOL_GPL(ata_scsi_change_queue_depth);
7872EXPORT_SYMBOL_GPL(ata_host_intr);
7873EXPORT_SYMBOL_GPL(sata_scr_valid); 6247EXPORT_SYMBOL_GPL(sata_scr_valid);
7874EXPORT_SYMBOL_GPL(sata_scr_read); 6248EXPORT_SYMBOL_GPL(sata_scr_read);
7875EXPORT_SYMBOL_GPL(sata_scr_write); 6249EXPORT_SYMBOL_GPL(sata_scr_write);
@@ -7892,11 +6266,6 @@ EXPORT_SYMBOL_GPL(ata_timing_cycle2mode);
7892 6266
7893#ifdef CONFIG_PCI 6267#ifdef CONFIG_PCI
7894EXPORT_SYMBOL_GPL(pci_test_config_bits); 6268EXPORT_SYMBOL_GPL(pci_test_config_bits);
7895EXPORT_SYMBOL_GPL(ata_pci_init_sff_host);
7896EXPORT_SYMBOL_GPL(ata_pci_init_bmdma);
7897EXPORT_SYMBOL_GPL(ata_pci_prepare_sff_host);
7898EXPORT_SYMBOL_GPL(ata_pci_activate_sff_host);
7899EXPORT_SYMBOL_GPL(ata_pci_init_one);
7900EXPORT_SYMBOL_GPL(ata_pci_remove_one); 6269EXPORT_SYMBOL_GPL(ata_pci_remove_one);
7901#ifdef CONFIG_PM 6270#ifdef CONFIG_PM
7902EXPORT_SYMBOL_GPL(ata_pci_device_do_suspend); 6271EXPORT_SYMBOL_GPL(ata_pci_device_do_suspend);
@@ -7904,16 +6273,8 @@ EXPORT_SYMBOL_GPL(ata_pci_device_do_resume);
7904EXPORT_SYMBOL_GPL(ata_pci_device_suspend); 6273EXPORT_SYMBOL_GPL(ata_pci_device_suspend);
7905EXPORT_SYMBOL_GPL(ata_pci_device_resume); 6274EXPORT_SYMBOL_GPL(ata_pci_device_resume);
7906#endif /* CONFIG_PM */ 6275#endif /* CONFIG_PM */
7907EXPORT_SYMBOL_GPL(ata_pci_default_filter);
7908EXPORT_SYMBOL_GPL(ata_pci_clear_simplex);
7909#endif /* CONFIG_PCI */ 6276#endif /* CONFIG_PCI */
7910 6277
7911EXPORT_SYMBOL_GPL(sata_pmp_qc_defer_cmd_switch);
7912EXPORT_SYMBOL_GPL(sata_pmp_std_prereset);
7913EXPORT_SYMBOL_GPL(sata_pmp_std_hardreset);
7914EXPORT_SYMBOL_GPL(sata_pmp_std_postreset);
7915EXPORT_SYMBOL_GPL(sata_pmp_do_eh);
7916
7917EXPORT_SYMBOL_GPL(__ata_ehi_push_desc); 6278EXPORT_SYMBOL_GPL(__ata_ehi_push_desc);
7918EXPORT_SYMBOL_GPL(ata_ehi_push_desc); 6279EXPORT_SYMBOL_GPL(ata_ehi_push_desc);
7919EXPORT_SYMBOL_GPL(ata_ehi_clear_desc); 6280EXPORT_SYMBOL_GPL(ata_ehi_clear_desc);
@@ -7931,8 +6292,7 @@ EXPORT_SYMBOL_GPL(ata_eh_thaw_port);
7931EXPORT_SYMBOL_GPL(ata_eh_qc_complete); 6292EXPORT_SYMBOL_GPL(ata_eh_qc_complete);
7932EXPORT_SYMBOL_GPL(ata_eh_qc_retry); 6293EXPORT_SYMBOL_GPL(ata_eh_qc_retry);
7933EXPORT_SYMBOL_GPL(ata_do_eh); 6294EXPORT_SYMBOL_GPL(ata_do_eh);
7934EXPORT_SYMBOL_GPL(ata_irq_on); 6295EXPORT_SYMBOL_GPL(ata_std_error_handler);
7935EXPORT_SYMBOL_GPL(ata_dev_try_classify);
7936 6296
7937EXPORT_SYMBOL_GPL(ata_cable_40wire); 6297EXPORT_SYMBOL_GPL(ata_cable_40wire);
7938EXPORT_SYMBOL_GPL(ata_cable_80wire); 6298EXPORT_SYMBOL_GPL(ata_cable_80wire);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index a5830329eda4..d94359a24d41 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -873,9 +873,9 @@ int sata_async_notification(struct ata_port *ap)
873 if (rc == 0) 873 if (rc == 0)
874 sata_scr_write(&ap->link, SCR_NOTIFICATION, sntf); 874 sata_scr_write(&ap->link, SCR_NOTIFICATION, sntf);
875 875
876 if (!ap->nr_pmp_links || rc) { 876 if (!sata_pmp_attached(ap) || rc) {
877 /* PMP is not attached or SNTF is not available */ 877 /* PMP is not attached or SNTF is not available */
878 if (!ap->nr_pmp_links) { 878 if (!sata_pmp_attached(ap)) {
879 /* PMP is not attached. Check whether ATAPI 879 /* PMP is not attached. Check whether ATAPI
880 * AN is configured. If so, notify media 880 * AN is configured. If so, notify media
881 * change. 881 * change.
@@ -1079,19 +1079,6 @@ void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
1079 1079
1080 spin_lock_irqsave(ap->lock, flags); 1080 spin_lock_irqsave(ap->lock, flags);
1081 1081
1082 /* Reset is represented by combination of actions and EHI
1083 * flags. Suck in all related bits before clearing eh_info to
1084 * avoid losing requested action.
1085 */
1086 if (action & ATA_EH_RESET_MASK) {
1087 ehc->i.action |= ehi->action & ATA_EH_RESET_MASK;
1088 ehc->i.flags |= ehi->flags & ATA_EHI_RESET_MODIFIER_MASK;
1089
1090 /* make sure all reset actions are cleared & clear EHI flags */
1091 action |= ATA_EH_RESET_MASK;
1092 ehi->flags &= ~ATA_EHI_RESET_MODIFIER_MASK;
1093 }
1094
1095 ata_eh_clear_action(link, dev, ehi, action); 1082 ata_eh_clear_action(link, dev, ehi, action);
1096 1083
1097 if (!(ehc->i.flags & ATA_EHI_QUIET)) 1084 if (!(ehc->i.flags & ATA_EHI_QUIET))
@@ -1117,12 +1104,6 @@ void ata_eh_done(struct ata_link *link, struct ata_device *dev,
1117{ 1104{
1118 struct ata_eh_context *ehc = &link->eh_context; 1105 struct ata_eh_context *ehc = &link->eh_context;
1119 1106
1120 /* if reset is complete, clear all reset actions & reset modifier */
1121 if (action & ATA_EH_RESET_MASK) {
1122 action |= ATA_EH_RESET_MASK;
1123 ehc->i.flags &= ~ATA_EHI_RESET_MODIFIER_MASK;
1124 }
1125
1126 ata_eh_clear_action(link, dev, &ehc->i, action); 1107 ata_eh_clear_action(link, dev, &ehc->i, action);
1127} 1108}
1128 1109
@@ -1329,20 +1310,20 @@ static void ata_eh_analyze_serror(struct ata_link *link)
1329 1310
1330 if (serror & SERR_PERSISTENT) { 1311 if (serror & SERR_PERSISTENT) {
1331 err_mask |= AC_ERR_ATA_BUS; 1312 err_mask |= AC_ERR_ATA_BUS;
1332 action |= ATA_EH_HARDRESET; 1313 action |= ATA_EH_RESET;
1333 } 1314 }
1334 if (serror & 1315 if (serror &
1335 (SERR_DATA_RECOVERED | SERR_COMM_RECOVERED | SERR_DATA)) { 1316 (SERR_DATA_RECOVERED | SERR_COMM_RECOVERED | SERR_DATA)) {
1336 err_mask |= AC_ERR_ATA_BUS; 1317 err_mask |= AC_ERR_ATA_BUS;
1337 action |= ATA_EH_SOFTRESET; 1318 action |= ATA_EH_RESET;
1338 } 1319 }
1339 if (serror & SERR_PROTOCOL) { 1320 if (serror & SERR_PROTOCOL) {
1340 err_mask |= AC_ERR_HSM; 1321 err_mask |= AC_ERR_HSM;
1341 action |= ATA_EH_SOFTRESET; 1322 action |= ATA_EH_RESET;
1342 } 1323 }
1343 if (serror & SERR_INTERNAL) { 1324 if (serror & SERR_INTERNAL) {
1344 err_mask |= AC_ERR_SYSTEM; 1325 err_mask |= AC_ERR_SYSTEM;
1345 action |= ATA_EH_HARDRESET; 1326 action |= ATA_EH_RESET;
1346 } 1327 }
1347 1328
1348 /* Determine whether a hotplug event has occurred. Both 1329 /* Determine whether a hotplug event has occurred. Both
@@ -1448,7 +1429,7 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc,
1448 1429
1449 if ((stat & (ATA_BUSY | ATA_DRQ | ATA_DRDY)) != ATA_DRDY) { 1430 if ((stat & (ATA_BUSY | ATA_DRQ | ATA_DRDY)) != ATA_DRDY) {
1450 qc->err_mask |= AC_ERR_HSM; 1431 qc->err_mask |= AC_ERR_HSM;
1451 return ATA_EH_SOFTRESET; 1432 return ATA_EH_RESET;
1452 } 1433 }
1453 1434
1454 if (stat & (ATA_ERR | ATA_DF)) 1435 if (stat & (ATA_ERR | ATA_DF))
@@ -1484,7 +1465,7 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc,
1484 } 1465 }
1485 1466
1486 if (qc->err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT | AC_ERR_ATA_BUS)) 1467 if (qc->err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT | AC_ERR_ATA_BUS))
1487 action |= ATA_EH_SOFTRESET; 1468 action |= ATA_EH_RESET;
1488 1469
1489 return action; 1470 return action;
1490} 1471}
@@ -1685,7 +1666,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev,
1685 if (verdict & ATA_EH_SPDN_SPEED_DOWN) { 1666 if (verdict & ATA_EH_SPDN_SPEED_DOWN) {
1686 /* speed down SATA link speed if possible */ 1667 /* speed down SATA link speed if possible */
1687 if (sata_down_spd_limit(link) == 0) { 1668 if (sata_down_spd_limit(link) == 0) {
1688 action |= ATA_EH_HARDRESET; 1669 action |= ATA_EH_RESET;
1689 goto done; 1670 goto done;
1690 } 1671 }
1691 1672
@@ -1705,7 +1686,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev,
1705 dev->spdn_cnt++; 1686 dev->spdn_cnt++;
1706 1687
1707 if (ata_down_xfermask_limit(dev, sel) == 0) { 1688 if (ata_down_xfermask_limit(dev, sel) == 0) {
1708 action |= ATA_EH_SOFTRESET; 1689 action |= ATA_EH_RESET;
1709 goto done; 1690 goto done;
1710 } 1691 }
1711 } 1692 }
@@ -1719,7 +1700,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev,
1719 (dev->xfer_shift != ATA_SHIFT_PIO)) { 1700 (dev->xfer_shift != ATA_SHIFT_PIO)) {
1720 if (ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO) == 0) { 1701 if (ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO) == 0) {
1721 dev->spdn_cnt = 0; 1702 dev->spdn_cnt = 0;
1722 action |= ATA_EH_SOFTRESET; 1703 action |= ATA_EH_RESET;
1723 goto done; 1704 goto done;
1724 } 1705 }
1725 } 1706 }
@@ -1764,9 +1745,9 @@ static void ata_eh_link_autopsy(struct ata_link *link)
1764 ehc->i.serror |= serror; 1745 ehc->i.serror |= serror;
1765 ata_eh_analyze_serror(link); 1746 ata_eh_analyze_serror(link);
1766 } else if (rc != -EOPNOTSUPP) { 1747 } else if (rc != -EOPNOTSUPP) {
1767 /* SError read failed, force hardreset and probing */ 1748 /* SError read failed, force reset and probing */
1768 ata_ehi_schedule_probe(&ehc->i); 1749 ehc->i.probe_mask |= ATA_ALL_DEVICES;
1769 ehc->i.action |= ATA_EH_HARDRESET; 1750 ehc->i.action |= ATA_EH_RESET;
1770 ehc->i.err_mask |= AC_ERR_OTHER; 1751 ehc->i.err_mask |= AC_ERR_OTHER;
1771 } 1752 }
1772 1753
@@ -1804,6 +1785,11 @@ static void ata_eh_link_autopsy(struct ata_link *link)
1804 if (qc->flags & ATA_QCFLAG_SENSE_VALID) 1785 if (qc->flags & ATA_QCFLAG_SENSE_VALID)
1805 qc->err_mask &= ~(AC_ERR_DEV | AC_ERR_OTHER); 1786 qc->err_mask &= ~(AC_ERR_DEV | AC_ERR_OTHER);
1806 1787
1788 /* determine whether the command is worth retrying */
1789 if (!(qc->err_mask & AC_ERR_INVALID) &&
1790 ((qc->flags & ATA_QCFLAG_IO) || qc->err_mask != AC_ERR_DEV))
1791 qc->flags |= ATA_QCFLAG_RETRY;
1792
1807 /* accumulate error info */ 1793 /* accumulate error info */
1808 ehc->i.dev = qc->dev; 1794 ehc->i.dev = qc->dev;
1809 all_err_mask |= qc->err_mask; 1795 all_err_mask |= qc->err_mask;
@@ -1814,7 +1800,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
1814 /* enforce default EH actions */ 1800 /* enforce default EH actions */
1815 if (ap->pflags & ATA_PFLAG_FROZEN || 1801 if (ap->pflags & ATA_PFLAG_FROZEN ||
1816 all_err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT)) 1802 all_err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT))
1817 ehc->i.action |= ATA_EH_SOFTRESET; 1803 ehc->i.action |= ATA_EH_RESET;
1818 else if (((eflags & ATA_EFLAG_IS_IO) && all_err_mask) || 1804 else if (((eflags & ATA_EFLAG_IS_IO) && all_err_mask) ||
1819 (!(eflags & ATA_EFLAG_IS_IO) && (all_err_mask & ~AC_ERR_DEV))) 1805 (!(eflags & ATA_EFLAG_IS_IO) && (all_err_mask & ~AC_ERR_DEV)))
1820 ehc->i.action |= ATA_EH_REVALIDATE; 1806 ehc->i.action |= ATA_EH_REVALIDATE;
@@ -1867,7 +1853,7 @@ void ata_eh_autopsy(struct ata_port *ap)
1867 /* Autopsy of fanout ports can affect host link autopsy. 1853 /* Autopsy of fanout ports can affect host link autopsy.
1868 * Perform host link autopsy last. 1854 * Perform host link autopsy last.
1869 */ 1855 */
1870 if (ap->nr_pmp_links) 1856 if (sata_pmp_attached(ap))
1871 ata_eh_link_autopsy(&ap->link); 1857 ata_eh_link_autopsy(&ap->link);
1872} 1858}
1873 1859
@@ -2066,41 +2052,29 @@ static int ata_do_reset(struct ata_link *link, ata_reset_fn_t reset,
2066 classes[dev->devno] = ATA_DEV_UNKNOWN; 2052 classes[dev->devno] = ATA_DEV_UNKNOWN;
2067 2053
2068 rc = reset(link, classes, deadline); 2054 rc = reset(link, classes, deadline);
2069 if (rc)
2070 return rc;
2071 2055
2072 /* If any class isn't ATA_DEV_UNKNOWN, consider classification 2056 /* convert all ATA_DEV_UNKNOWN to ATA_DEV_NONE */
2073 * is complete and convert all ATA_DEV_UNKNOWN to
2074 * ATA_DEV_NONE.
2075 */
2076 ata_link_for_each_dev(dev, link) 2057 ata_link_for_each_dev(dev, link)
2077 if (classes[dev->devno] != ATA_DEV_UNKNOWN) 2058 if (classes[dev->devno] == ATA_DEV_UNKNOWN)
2078 break; 2059 classes[dev->devno] = ATA_DEV_NONE;
2079
2080 if (dev) {
2081 ata_link_for_each_dev(dev, link) {
2082 if (classes[dev->devno] == ATA_DEV_UNKNOWN)
2083 classes[dev->devno] = ATA_DEV_NONE;
2084 }
2085 }
2086 2060
2087 return 0; 2061 return rc;
2088} 2062}
2089 2063
2090static int ata_eh_followup_srst_needed(struct ata_link *link, 2064static int ata_eh_followup_srst_needed(struct ata_link *link,
2091 int rc, int classify, 2065 int rc, int classify,
2092 const unsigned int *classes) 2066 const unsigned int *classes)
2093{ 2067{
2094 if (link->flags & ATA_LFLAG_NO_SRST) 2068 if ((link->flags & ATA_LFLAG_NO_SRST) || ata_link_offline(link))
2095 return 0; 2069 return 0;
2096 if (rc == -EAGAIN) 2070 if (rc == -EAGAIN) {
2097 return 1; 2071 if (classify)
2072 return 1;
2073 rc = 0;
2074 }
2098 if (rc != 0) 2075 if (rc != 0)
2099 return 0; 2076 return 0;
2100 if ((link->ap->flags & ATA_FLAG_PMP) && ata_is_host_link(link)) 2077 if (sata_pmp_supported(link->ap) && ata_is_host_link(link))
2101 return 1;
2102 if (classify && !(link->flags & ATA_LFLAG_ASSUME_CLASS) &&
2103 classes[0] == ATA_DEV_UNKNOWN)
2104 return 1; 2078 return 1;
2105 return 0; 2079 return 0;
2106} 2080}
@@ -2118,7 +2092,6 @@ int ata_eh_reset(struct ata_link *link, int classify,
2118 int try = 0; 2092 int try = 0;
2119 struct ata_device *dev; 2093 struct ata_device *dev;
2120 unsigned long deadline, now; 2094 unsigned long deadline, now;
2121 unsigned int tmp_action;
2122 ata_reset_fn_t reset; 2095 ata_reset_fn_t reset;
2123 unsigned long flags; 2096 unsigned long flags;
2124 u32 sstatus; 2097 u32 sstatus;
@@ -2129,7 +2102,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
2129 ap->pflags |= ATA_PFLAG_RESETTING; 2102 ap->pflags |= ATA_PFLAG_RESETTING;
2130 spin_unlock_irqrestore(ap->lock, flags); 2103 spin_unlock_irqrestore(ap->lock, flags);
2131 2104
2132 ata_eh_about_to_do(link, NULL, ehc->i.action & ATA_EH_RESET_MASK); 2105 ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
2133 2106
2134 ata_link_for_each_dev(dev, link) { 2107 ata_link_for_each_dev(dev, link) {
2135 /* If we issue an SRST then an ATA drive (not ATAPI) 2108 /* If we issue an SRST then an ATA drive (not ATAPI)
@@ -2159,17 +2132,20 @@ int ata_eh_reset(struct ata_link *link, int classify,
2159 goto done; 2132 goto done;
2160 } 2133 }
2161 2134
2162 /* Determine which reset to use and record in ehc->i.action. 2135 /* prefer hardreset */
2163 * prereset() may examine and modify it. 2136 ehc->i.action &= ~ATA_EH_RESET;
2164 */ 2137 if (hardreset) {
2165 if (softreset && (!hardreset || (!(lflags & ATA_LFLAG_NO_SRST) && 2138 reset = hardreset;
2166 !sata_set_spd_needed(link) && 2139 ehc->i.action = ATA_EH_HARDRESET;
2167 !(ehc->i.action & ATA_EH_HARDRESET)))) 2140 } else if (softreset) {
2168 tmp_action = ATA_EH_SOFTRESET; 2141 reset = softreset;
2169 else 2142 ehc->i.action = ATA_EH_SOFTRESET;
2170 tmp_action = ATA_EH_HARDRESET; 2143 } else {
2171 2144 ata_link_printk(link, KERN_ERR, "BUG: no reset method, "
2172 ehc->i.action = (ehc->i.action & ~ATA_EH_RESET_MASK) | tmp_action; 2145 "please report to linux-ide@vger.kernel.org\n");
2146 dump_stack();
2147 return -EINVAL;
2148 }
2173 2149
2174 if (prereset) { 2150 if (prereset) {
2175 rc = prereset(link, jiffies + ATA_EH_PRERESET_TIMEOUT); 2151 rc = prereset(link, jiffies + ATA_EH_PRERESET_TIMEOUT);
@@ -2177,7 +2153,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
2177 if (rc == -ENOENT) { 2153 if (rc == -ENOENT) {
2178 ata_link_printk(link, KERN_DEBUG, 2154 ata_link_printk(link, KERN_DEBUG,
2179 "port disabled. ignoring.\n"); 2155 "port disabled. ignoring.\n");
2180 ehc->i.action &= ~ATA_EH_RESET_MASK; 2156 ehc->i.action &= ~ATA_EH_RESET;
2181 2157
2182 ata_link_for_each_dev(dev, link) 2158 ata_link_for_each_dev(dev, link)
2183 classes[dev->devno] = ATA_DEV_NONE; 2159 classes[dev->devno] = ATA_DEV_NONE;
@@ -2190,12 +2166,8 @@ int ata_eh_reset(struct ata_link *link, int classify,
2190 } 2166 }
2191 } 2167 }
2192 2168
2193 /* prereset() might have modified ehc->i.action */ 2169 /* prereset() might have cleared ATA_EH_RESET */
2194 if (ehc->i.action & ATA_EH_HARDRESET) 2170 if (!(ehc->i.action & ATA_EH_RESET)) {
2195 reset = hardreset;
2196 else if (ehc->i.action & ATA_EH_SOFTRESET)
2197 reset = softreset;
2198 else {
2199 /* prereset told us not to reset, bang classes and return */ 2171 /* prereset told us not to reset, bang classes and return */
2200 ata_link_for_each_dev(dev, link) 2172 ata_link_for_each_dev(dev, link)
2201 classes[dev->devno] = ATA_DEV_NONE; 2173 classes[dev->devno] = ATA_DEV_NONE;
@@ -2203,14 +2175,6 @@ int ata_eh_reset(struct ata_link *link, int classify,
2203 goto out; 2175 goto out;
2204 } 2176 }
2205 2177
2206 /* did prereset() screw up? if so, fix up to avoid oopsing */
2207 if (!reset) {
2208 if (softreset)
2209 reset = softreset;
2210 else
2211 reset = hardreset;
2212 }
2213
2214 retry: 2178 retry:
2215 deadline = jiffies + ata_eh_reset_timeouts[try++]; 2179 deadline = jiffies + ata_eh_reset_timeouts[try++];
2216 2180
@@ -2240,7 +2204,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
2240 goto fail; 2204 goto fail;
2241 } 2205 }
2242 2206
2243 ata_eh_about_to_do(link, NULL, ATA_EH_RESET_MASK); 2207 ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
2244 rc = ata_do_reset(link, reset, classes, deadline); 2208 rc = ata_do_reset(link, reset, classes, deadline);
2245 } 2209 }
2246 2210
@@ -2248,21 +2212,6 @@ int ata_eh_reset(struct ata_link *link, int classify,
2248 if (rc && rc != -EAGAIN) 2212 if (rc && rc != -EAGAIN)
2249 goto fail; 2213 goto fail;
2250 2214
2251 /* was classification successful? */
2252 if (classify && classes[0] == ATA_DEV_UNKNOWN &&
2253 !(lflags & ATA_LFLAG_ASSUME_CLASS)) {
2254 if (try < max_tries) {
2255 ata_link_printk(link, KERN_WARNING,
2256 "classification failed\n");
2257 rc = -EINVAL;
2258 goto fail;
2259 }
2260
2261 ata_link_printk(link, KERN_WARNING,
2262 "classfication failed, assuming ATA\n");
2263 lflags |= ATA_LFLAG_ASSUME_ATA;
2264 }
2265
2266 done: 2215 done:
2267 ata_link_for_each_dev(dev, link) { 2216 ata_link_for_each_dev(dev, link) {
2268 /* After the reset, the device state is PIO 0 and the 2217 /* After the reset, the device state is PIO 0 and the
@@ -2290,7 +2239,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
2290 postreset(link, classes); 2239 postreset(link, classes);
2291 2240
2292 /* reset successful, schedule revalidation */ 2241 /* reset successful, schedule revalidation */
2293 ata_eh_done(link, NULL, ehc->i.action & ATA_EH_RESET_MASK); 2242 ata_eh_done(link, NULL, ATA_EH_RESET);
2294 ehc->i.action |= ATA_EH_REVALIDATE; 2243 ehc->i.action |= ATA_EH_REVALIDATE;
2295 2244
2296 rc = 0; 2245 rc = 0;
@@ -2305,6 +2254,11 @@ int ata_eh_reset(struct ata_link *link, int classify,
2305 return rc; 2254 return rc;
2306 2255
2307 fail: 2256 fail:
2257 /* if SCR isn't accessible on a fan-out port, PMP needs to be reset */
2258 if (!ata_is_host_link(link) &&
2259 sata_scr_read(link, SCR_STATUS, &sstatus))
2260 rc = -ERESTART;
2261
2308 if (rc == -ERESTART || try >= max_tries) 2262 if (rc == -ERESTART || try >= max_tries)
2309 goto out; 2263 goto out;
2310 2264
@@ -2515,6 +2469,7 @@ static int ata_link_nr_vacant(struct ata_link *link)
2515 2469
2516static int ata_eh_skip_recovery(struct ata_link *link) 2470static int ata_eh_skip_recovery(struct ata_link *link)
2517{ 2471{
2472 struct ata_port *ap = link->ap;
2518 struct ata_eh_context *ehc = &link->eh_context; 2473 struct ata_eh_context *ehc = &link->eh_context;
2519 struct ata_device *dev; 2474 struct ata_device *dev;
2520 2475
@@ -2522,9 +2477,13 @@ static int ata_eh_skip_recovery(struct ata_link *link)
2522 if (link->flags & ATA_LFLAG_DISABLED) 2477 if (link->flags & ATA_LFLAG_DISABLED)
2523 return 1; 2478 return 1;
2524 2479
2525 /* thaw frozen port, resume link and recover failed devices */ 2480 /* thaw frozen port and recover failed devices */
2526 if ((link->ap->pflags & ATA_PFLAG_FROZEN) || 2481 if ((ap->pflags & ATA_PFLAG_FROZEN) || ata_link_nr_enabled(link))
2527 (ehc->i.flags & ATA_EHI_RESUME_LINK) || ata_link_nr_enabled(link)) 2482 return 0;
2483
2484 /* reset at least once if reset is requested */
2485 if ((ehc->i.action & ATA_EH_RESET) &&
2486 !(ehc->i.flags & ATA_EHI_DID_RESET))
2528 return 0; 2487 return 0;
2529 2488
2530 /* skip if class codes for all vacant slots are ATA_DEV_NONE */ 2489 /* skip if class codes for all vacant slots are ATA_DEV_NONE */
@@ -2548,7 +2507,7 @@ static int ata_eh_schedule_probe(struct ata_device *dev)
2548 ata_eh_detach_dev(dev); 2507 ata_eh_detach_dev(dev);
2549 ata_dev_init(dev); 2508 ata_dev_init(dev);
2550 ehc->did_probe_mask |= (1 << dev->devno); 2509 ehc->did_probe_mask |= (1 << dev->devno);
2551 ehc->i.action |= ATA_EH_SOFTRESET; 2510 ehc->i.action |= ATA_EH_RESET;
2552 ehc->saved_xfer_mode[dev->devno] = 0; 2511 ehc->saved_xfer_mode[dev->devno] = 0;
2553 ehc->saved_ncq_enabled &= ~(1 << dev->devno); 2512 ehc->saved_ncq_enabled &= ~(1 << dev->devno);
2554 2513
@@ -2592,12 +2551,7 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err)
2592 2551
2593 return 1; 2552 return 1;
2594 } else { 2553 } else {
2595 /* soft didn't work? be haaaaard */ 2554 ehc->i.action |= ATA_EH_RESET;
2596 if (ehc->i.flags & ATA_EHI_DID_RESET)
2597 ehc->i.action |= ATA_EH_HARDRESET;
2598 else
2599 ehc->i.action |= ATA_EH_SOFTRESET;
2600
2601 return 0; 2555 return 0;
2602 } 2556 }
2603} 2557}
@@ -2690,7 +2644,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
2690 ehc->i.action = 0; 2644 ehc->i.action = 0;
2691 2645
2692 /* do we need to reset? */ 2646 /* do we need to reset? */
2693 if (ehc->i.action & ATA_EH_RESET_MASK) 2647 if (ehc->i.action & ATA_EH_RESET)
2694 reset = 1; 2648 reset = 1;
2695 2649
2696 ata_link_for_each_dev(dev, link) 2650 ata_link_for_each_dev(dev, link)
@@ -2702,13 +2656,13 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
2702 /* if PMP is attached, this function only deals with 2656 /* if PMP is attached, this function only deals with
2703 * downstream links, port should stay thawed. 2657 * downstream links, port should stay thawed.
2704 */ 2658 */
2705 if (!ap->nr_pmp_links) 2659 if (!sata_pmp_attached(ap))
2706 ata_eh_freeze_port(ap); 2660 ata_eh_freeze_port(ap);
2707 2661
2708 ata_port_for_each_link(link, ap) { 2662 ata_port_for_each_link(link, ap) {
2709 struct ata_eh_context *ehc = &link->eh_context; 2663 struct ata_eh_context *ehc = &link->eh_context;
2710 2664
2711 if (!(ehc->i.action & ATA_EH_RESET_MASK)) 2665 if (!(ehc->i.action & ATA_EH_RESET))
2712 continue; 2666 continue;
2713 2667
2714 rc = ata_eh_reset(link, ata_link_nr_vacant(link), 2668 rc = ata_eh_reset(link, ata_link_nr_vacant(link),
@@ -2721,7 +2675,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
2721 } 2675 }
2722 } 2676 }
2723 2677
2724 if (!ap->nr_pmp_links) 2678 if (!sata_pmp_attached(ap))
2725 ata_eh_thaw_port(ap); 2679 ata_eh_thaw_port(ap);
2726 } 2680 }
2727 2681
@@ -2765,7 +2719,7 @@ dev_fail:
2765 /* PMP reset requires working host port. 2719 /* PMP reset requires working host port.
2766 * Can't retry if it's frozen. 2720 * Can't retry if it's frozen.
2767 */ 2721 */
2768 if (ap->nr_pmp_links) 2722 if (sata_pmp_attached(ap))
2769 goto out; 2723 goto out;
2770 break; 2724 break;
2771 } 2725 }
@@ -2817,18 +2771,11 @@ void ata_eh_finish(struct ata_port *ap)
2817 /* FIXME: Once EH migration is complete, 2771 /* FIXME: Once EH migration is complete,
2818 * generate sense data in this function, 2772 * generate sense data in this function,
2819 * considering both err_mask and tf. 2773 * considering both err_mask and tf.
2820 *
2821 * There's no point in retrying invalid
2822 * (detected by libata) and non-IO device
2823 * errors (rejected by device). Finish them
2824 * immediately.
2825 */ 2774 */
2826 if ((qc->err_mask & AC_ERR_INVALID) || 2775 if (qc->flags & ATA_QCFLAG_RETRY)
2827 (!(qc->flags & ATA_QCFLAG_IO) &&
2828 qc->err_mask == AC_ERR_DEV))
2829 ata_eh_qc_complete(qc);
2830 else
2831 ata_eh_qc_retry(qc); 2776 ata_eh_qc_retry(qc);
2777 else
2778 ata_eh_qc_complete(qc);
2832 } else { 2779 } else {
2833 if (qc->flags & ATA_QCFLAG_SENSE_VALID) { 2780 if (qc->flags & ATA_QCFLAG_SENSE_VALID) {
2834 ata_eh_qc_complete(qc); 2781 ata_eh_qc_complete(qc);
@@ -2848,6 +2795,7 @@ void ata_eh_finish(struct ata_port *ap)
2848/** 2795/**
2849 * ata_do_eh - do standard error handling 2796 * ata_do_eh - do standard error handling
2850 * @ap: host port to handle error for 2797 * @ap: host port to handle error for
2798 *
2851 * @prereset: prereset method (can be NULL) 2799 * @prereset: prereset method (can be NULL)
2852 * @softreset: softreset method (can be NULL) 2800 * @softreset: softreset method (can be NULL)
2853 * @hardreset: hardreset method (can be NULL) 2801 * @hardreset: hardreset method (can be NULL)
@@ -2878,6 +2826,27 @@ void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
2878 ata_eh_finish(ap); 2826 ata_eh_finish(ap);
2879} 2827}
2880 2828
2829/**
2830 * ata_std_error_handler - standard error handler
2831 * @ap: host port to handle error for
2832 *
2833 * Standard error handler
2834 *
2835 * LOCKING:
2836 * Kernel thread context (may sleep).
2837 */
2838void ata_std_error_handler(struct ata_port *ap)
2839{
2840 struct ata_port_operations *ops = ap->ops;
2841 ata_reset_fn_t hardreset = ops->hardreset;
2842
2843 /* ignore built-in hardreset if SCR access is not available */
2844 if (ata_is_builtin_hardreset(hardreset) && !sata_scr_valid(&ap->link))
2845 hardreset = NULL;
2846
2847 ata_do_eh(ap, ops->prereset, ops->softreset, hardreset, ops->postreset);
2848}
2849
2881#ifdef CONFIG_PM 2850#ifdef CONFIG_PM
2882/** 2851/**
2883 * ata_eh_handle_port_suspend - perform port suspend operation 2852 * ata_eh_handle_port_suspend - perform port suspend operation
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index d91f5090ba9d..ff1822a7da38 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -11,6 +11,14 @@
11#include <linux/libata.h> 11#include <linux/libata.h>
12#include "libata.h" 12#include "libata.h"
13 13
14const struct ata_port_operations sata_pmp_port_ops = {
15 .inherits = &sata_port_ops,
16 .pmp_prereset = ata_std_prereset,
17 .pmp_hardreset = sata_std_hardreset,
18 .pmp_postreset = ata_std_postreset,
19 .error_handler = sata_pmp_error_handler,
20};
21
14/** 22/**
15 * sata_pmp_read - read PMP register 23 * sata_pmp_read - read PMP register
16 * @link: link to read PMP register for 24 * @link: link to read PMP register for
@@ -176,140 +184,6 @@ int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
176} 184}
177 185
178/** 186/**
179 * sata_pmp_std_prereset - prepare PMP link for reset
180 * @link: link to be reset
181 * @deadline: deadline jiffies for the operation
182 *
183 * @link is about to be reset. Initialize it.
184 *
185 * LOCKING:
186 * Kernel thread context (may sleep)
187 *
188 * RETURNS:
189 * 0 on success, -errno otherwise.
190 */
191int sata_pmp_std_prereset(struct ata_link *link, unsigned long deadline)
192{
193 struct ata_eh_context *ehc = &link->eh_context;
194 const unsigned long *timing = sata_ehc_deb_timing(ehc);
195 int rc;
196
197 /* force HRST? */
198 if (link->flags & ATA_LFLAG_NO_SRST)
199 ehc->i.action |= ATA_EH_HARDRESET;
200
201 /* handle link resume */
202 if ((ehc->i.flags & ATA_EHI_RESUME_LINK) &&
203 (link->flags & ATA_LFLAG_HRST_TO_RESUME))
204 ehc->i.action |= ATA_EH_HARDRESET;
205
206 /* if we're about to do hardreset, nothing more to do */
207 if (ehc->i.action & ATA_EH_HARDRESET)
208 return 0;
209
210 /* resume link */
211 rc = sata_link_resume(link, timing, deadline);
212 if (rc) {
213 /* phy resume failed */
214 ata_link_printk(link, KERN_WARNING, "failed to resume link "
215 "for reset (errno=%d)\n", rc);
216 return rc;
217 }
218
219 /* clear SError bits including .X which blocks the port when set */
220 rc = sata_scr_write(link, SCR_ERROR, 0xffffffff);
221 if (rc) {
222 ata_link_printk(link, KERN_ERR,
223 "failed to clear SError (errno=%d)\n", rc);
224 return rc;
225 }
226
227 return 0;
228}
229
230/**
231 * sata_pmp_std_hardreset - standard hardreset method for PMP link
232 * @link: link to be reset
233 * @class: resulting class of attached device
234 * @deadline: deadline jiffies for the operation
235 *
236 * Hardreset PMP port @link. Note that this function doesn't
237 * wait for BSY clearance. There simply isn't a generic way to
238 * wait the event. Instead, this function return -EAGAIN thus
239 * telling libata-EH to followup with softreset.
240 *
241 * LOCKING:
242 * Kernel thread context (may sleep)
243 *
244 * RETURNS:
245 * 0 on success, -errno otherwise.
246 */
247int sata_pmp_std_hardreset(struct ata_link *link, unsigned int *class,
248 unsigned long deadline)
249{
250 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
251 u32 tmp;
252 int rc;
253
254 DPRINTK("ENTER\n");
255
256 /* do hardreset */
257 rc = sata_link_hardreset(link, timing, deadline);
258 if (rc) {
259 ata_link_printk(link, KERN_ERR,
260 "COMRESET failed (errno=%d)\n", rc);
261 goto out;
262 }
263
264 /* clear SError bits including .X which blocks the port when set */
265 rc = sata_scr_write(link, SCR_ERROR, 0xffffffff);
266 if (rc) {
267 ata_link_printk(link, KERN_ERR, "failed to clear SError "
268 "during hardreset (errno=%d)\n", rc);
269 goto out;
270 }
271
272 /* if device is present, follow up with srst to wait for !BSY */
273 if (ata_link_online(link))
274 rc = -EAGAIN;
275 out:
276 /* if SCR isn't accessible, we need to reset the PMP */
277 if (rc && rc != -EAGAIN && sata_scr_read(link, SCR_STATUS, &tmp))
278 rc = -ERESTART;
279
280 DPRINTK("EXIT, rc=%d\n", rc);
281 return rc;
282}
283
284/**
285 * ata_std_postreset - standard postreset method for PMP link
286 * @link: the target ata_link
287 * @classes: classes of attached devices
288 *
289 * This function is invoked after a successful reset. Note that
290 * the device might have been reset more than once using
291 * different reset methods before postreset is invoked.
292 *
293 * LOCKING:
294 * Kernel thread context (may sleep)
295 */
296void sata_pmp_std_postreset(struct ata_link *link, unsigned int *class)
297{
298 u32 serror;
299
300 DPRINTK("ENTER\n");
301
302 /* clear SError */
303 if (sata_scr_read(link, SCR_ERROR, &serror) == 0)
304 sata_scr_write(link, SCR_ERROR, serror);
305
306 /* print link status */
307 sata_print_link_status(link);
308
309 DPRINTK("EXIT\n");
310}
311
312/**
313 * sata_pmp_read_gscr - read GSCR block of SATA PMP 187 * sata_pmp_read_gscr - read GSCR block of SATA PMP
314 * @dev: PMP device 188 * @dev: PMP device
315 * @gscr: buffer to read GSCR block into 189 * @gscr: buffer to read GSCR block into
@@ -444,9 +318,8 @@ static int sata_pmp_init_links(struct ata_port *ap, int nr_ports)
444 struct ata_eh_context *ehc = &link->eh_context; 318 struct ata_eh_context *ehc = &link->eh_context;
445 319
446 link->flags = 0; 320 link->flags = 0;
447 ehc->i.probe_mask |= 1; 321 ehc->i.probe_mask |= ATA_ALL_DEVICES;
448 ehc->i.action |= ATA_EH_SOFTRESET; 322 ehc->i.action |= ATA_EH_RESET;
449 ehc->i.flags |= ATA_EHI_RESUME_LINK;
450 } 323 }
451 324
452 return 0; 325 return 0;
@@ -462,9 +335,6 @@ static void sata_pmp_quirks(struct ata_port *ap)
462 if (vendor == 0x1095 && devid == 0x3726) { 335 if (vendor == 0x1095 && devid == 0x3726) {
463 /* sil3726 quirks */ 336 /* sil3726 quirks */
464 ata_port_for_each_link(link, ap) { 337 ata_port_for_each_link(link, ap) {
465 /* SError.N need a kick in the ass to get working */
466 link->flags |= ATA_LFLAG_HRST_TO_RESUME;
467
468 /* class code report is unreliable */ 338 /* class code report is unreliable */
469 if (link->pmp < 5) 339 if (link->pmp < 5)
470 link->flags |= ATA_LFLAG_ASSUME_ATA; 340 link->flags |= ATA_LFLAG_ASSUME_ATA;
@@ -477,9 +347,6 @@ static void sata_pmp_quirks(struct ata_port *ap)
477 } else if (vendor == 0x1095 && devid == 0x4723) { 347 } else if (vendor == 0x1095 && devid == 0x4723) {
478 /* sil4723 quirks */ 348 /* sil4723 quirks */
479 ata_port_for_each_link(link, ap) { 349 ata_port_for_each_link(link, ap) {
480 /* SError.N need a kick in the ass to get working */
481 link->flags |= ATA_LFLAG_HRST_TO_RESUME;
482
483 /* class code report is unreliable */ 350 /* class code report is unreliable */
484 if (link->pmp < 2) 351 if (link->pmp < 2)
485 link->flags |= ATA_LFLAG_ASSUME_ATA; 352 link->flags |= ATA_LFLAG_ASSUME_ATA;
@@ -492,9 +359,6 @@ static void sata_pmp_quirks(struct ata_port *ap)
492 } else if (vendor == 0x1095 && devid == 0x4726) { 359 } else if (vendor == 0x1095 && devid == 0x4726) {
493 /* sil4726 quirks */ 360 /* sil4726 quirks */
494 ata_port_for_each_link(link, ap) { 361 ata_port_for_each_link(link, ap) {
495 /* SError.N need a kick in the ass to get working */
496 link->flags |= ATA_LFLAG_HRST_TO_RESUME;
497
498 /* Class code report is unreliable and SRST 362 /* Class code report is unreliable and SRST
499 * times out under certain configurations. 363 * times out under certain configurations.
500 * Config device can be at port 0 or 5 and 364 * Config device can be at port 0 or 5 and
@@ -522,13 +386,6 @@ static void sata_pmp_quirks(struct ata_port *ap)
522 * otherwise. Don't try hard to recover it. 386 * otherwise. Don't try hard to recover it.
523 */ 387 */
524 ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY; 388 ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY;
525 } else if (vendor == 0x11ab && devid == 0x4140) {
526 /* Marvell 88SM4140 quirks. Fan-out ports require PHY
527 * reset to work; other than that, it behaves very
528 * nicely.
529 */
530 ata_port_for_each_link(link, ap)
531 link->flags |= ATA_LFLAG_HRST_TO_RESUME;
532 } 389 }
533} 390}
534 391
@@ -554,7 +411,7 @@ int sata_pmp_attach(struct ata_device *dev)
554 int rc; 411 int rc;
555 412
556 /* is it hanging off the right place? */ 413 /* is it hanging off the right place? */
557 if (!(ap->flags & ATA_FLAG_PMP)) { 414 if (!sata_pmp_supported(ap)) {
558 ata_dev_printk(dev, KERN_ERR, 415 ata_dev_printk(dev, KERN_ERR,
559 "host does not support Port Multiplier\n"); 416 "host does not support Port Multiplier\n");
560 return -EINVAL; 417 return -EINVAL;
@@ -840,13 +697,12 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
840 retry: 697 retry:
841 ehc->classes[0] = ATA_DEV_UNKNOWN; 698 ehc->classes[0] = ATA_DEV_UNKNOWN;
842 699
843 if (ehc->i.action & ATA_EH_RESET_MASK) { 700 if (ehc->i.action & ATA_EH_RESET) {
844 struct ata_link *tlink; 701 struct ata_link *tlink;
845 702
846 ata_eh_freeze_port(ap); 703 ata_eh_freeze_port(ap);
847 704
848 /* reset */ 705 /* reset */
849 ehc->i.action = ATA_EH_HARDRESET;
850 rc = ata_eh_reset(link, 0, prereset, softreset, hardreset, 706 rc = ata_eh_reset(link, 0, prereset, softreset, hardreset,
851 postreset); 707 postreset);
852 if (rc) { 708 if (rc) {
@@ -858,8 +714,12 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
858 ata_eh_thaw_port(ap); 714 ata_eh_thaw_port(ap);
859 715
860 /* PMP is reset, SErrors cannot be trusted, scan all */ 716 /* PMP is reset, SErrors cannot be trusted, scan all */
861 ata_port_for_each_link(tlink, ap) 717 ata_port_for_each_link(tlink, ap) {
862 ata_ehi_schedule_probe(&tlink->eh_context.i); 718 struct ata_eh_context *ehc = &tlink->eh_context;
719
720 ehc->i.probe_mask |= ATA_ALL_DEVICES;
721 ehc->i.action |= ATA_EH_RESET;
722 }
863 } 723 }
864 724
865 /* If revalidation is requested, revalidate and reconfigure; 725 /* If revalidation is requested, revalidate and reconfigure;
@@ -874,7 +734,7 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
874 tries--; 734 tries--;
875 735
876 if (rc == -ENODEV) { 736 if (rc == -ENODEV) {
877 ehc->i.probe_mask |= 1; 737 ehc->i.probe_mask |= ATA_ALL_DEVICES;
878 detach = 1; 738 detach = 1;
879 /* give it just two more chances */ 739 /* give it just two more chances */
880 tries = min(tries, 2); 740 tries = min(tries, 2);
@@ -890,11 +750,11 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
890 reval_failed = 1; 750 reval_failed = 1;
891 751
892 ata_dev_printk(dev, KERN_WARNING, 752 ata_dev_printk(dev, KERN_WARNING,
893 "retrying hardreset%s\n", 753 "retrying reset%s\n",
894 sleep ? " in 5 secs" : ""); 754 sleep ? " in 5 secs" : "");
895 if (sleep) 755 if (sleep)
896 ssleep(5); 756 ssleep(5);
897 ehc->i.action |= ATA_EH_HARDRESET; 757 ehc->i.action |= ATA_EH_RESET;
898 goto retry; 758 goto retry;
899 } else { 759 } else {
900 ata_dev_printk(dev, KERN_ERR, "failed to recover PMP " 760 ata_dev_printk(dev, KERN_ERR, "failed to recover PMP "
@@ -938,10 +798,8 @@ static int sata_pmp_eh_handle_disabled_links(struct ata_port *ap)
938 /* Some PMPs require hardreset sequence to get 798 /* Some PMPs require hardreset sequence to get
939 * SError.N working. 799 * SError.N working.
940 */ 800 */
941 if ((link->flags & ATA_LFLAG_HRST_TO_RESUME) && 801 sata_link_hardreset(link, sata_deb_timing_normal,
942 (link->eh_context.i.flags & ATA_EHI_RESUME_LINK)) 802 jiffies + ATA_TMOUT_INTERNAL_QUICK, NULL, NULL);
943 sata_link_hardreset(link, sata_deb_timing_normal,
944 jiffies + ATA_TMOUT_INTERNAL_QUICK);
945 803
946 /* unconditionally clear SError.N */ 804 /* unconditionally clear SError.N */
947 rc = sata_scr_write(link, SCR_ERROR, SERR_PHYRDY_CHG); 805 rc = sata_scr_write(link, SCR_ERROR, SERR_PHYRDY_CHG);
@@ -987,14 +845,6 @@ static int sata_pmp_handle_link_fail(struct ata_link *link, int *link_tries)
987/** 845/**
988 * sata_pmp_eh_recover - recover PMP-enabled port 846 * sata_pmp_eh_recover - recover PMP-enabled port
989 * @ap: ATA port to recover 847 * @ap: ATA port to recover
990 * @prereset: prereset method (can be NULL)
991 * @softreset: softreset method
992 * @hardreset: hardreset method
993 * @postreset: postreset method (can be NULL)
994 * @pmp_prereset: PMP prereset method (can be NULL)
995 * @pmp_softreset: PMP softreset method (can be NULL)
996 * @pmp_hardreset: PMP hardreset method (can be NULL)
997 * @pmp_postreset: PMP postreset method (can be NULL)
998 * 848 *
999 * Drive EH recovery operation for PMP enabled port @ap. This 849 * Drive EH recovery operation for PMP enabled port @ap. This
1000 * function recovers host and PMP ports with proper retrials and 850 * function recovers host and PMP ports with proper retrials and
@@ -1007,12 +857,9 @@ static int sata_pmp_handle_link_fail(struct ata_link *link, int *link_tries)
1007 * RETURNS: 857 * RETURNS:
1008 * 0 on success, -errno on failure. 858 * 0 on success, -errno on failure.
1009 */ 859 */
1010static int sata_pmp_eh_recover(struct ata_port *ap, 860static int sata_pmp_eh_recover(struct ata_port *ap)
1011 ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
1012 ata_reset_fn_t hardreset, ata_postreset_fn_t postreset,
1013 ata_prereset_fn_t pmp_prereset, ata_reset_fn_t pmp_softreset,
1014 ata_reset_fn_t pmp_hardreset, ata_postreset_fn_t pmp_postreset)
1015{ 861{
862 struct ata_port_operations *ops = ap->ops;
1016 int pmp_tries, link_tries[SATA_PMP_MAX_PORTS]; 863 int pmp_tries, link_tries[SATA_PMP_MAX_PORTS];
1017 struct ata_link *pmp_link = &ap->link; 864 struct ata_link *pmp_link = &ap->link;
1018 struct ata_device *pmp_dev = pmp_link->device; 865 struct ata_device *pmp_dev = pmp_link->device;
@@ -1029,9 +876,9 @@ static int sata_pmp_eh_recover(struct ata_port *ap,
1029 876
1030 retry: 877 retry:
1031 /* PMP attached? */ 878 /* PMP attached? */
1032 if (!ap->nr_pmp_links) { 879 if (!sata_pmp_attached(ap)) {
1033 rc = ata_eh_recover(ap, prereset, softreset, hardreset, 880 rc = ata_eh_recover(ap, ops->prereset, ops->softreset,
1034 postreset, NULL); 881 ops->hardreset, ops->postreset, NULL);
1035 if (rc) { 882 if (rc) {
1036 ata_link_for_each_dev(dev, &ap->link) 883 ata_link_for_each_dev(dev, &ap->link)
1037 ata_dev_disable(dev); 884 ata_dev_disable(dev);
@@ -1049,8 +896,8 @@ static int sata_pmp_eh_recover(struct ata_port *ap,
1049 } 896 }
1050 897
1051 /* recover pmp */ 898 /* recover pmp */
1052 rc = sata_pmp_eh_recover_pmp(ap, prereset, softreset, hardreset, 899 rc = sata_pmp_eh_recover_pmp(ap, ops->prereset, ops->softreset,
1053 postreset); 900 ops->hardreset, ops->postreset);
1054 if (rc) 901 if (rc)
1055 goto pmp_fail; 902 goto pmp_fail;
1056 903
@@ -1060,8 +907,8 @@ static int sata_pmp_eh_recover(struct ata_port *ap,
1060 goto pmp_fail; 907 goto pmp_fail;
1061 908
1062 /* recover links */ 909 /* recover links */
1063 rc = ata_eh_recover(ap, pmp_prereset, pmp_softreset, pmp_hardreset, 910 rc = ata_eh_recover(ap, ops->pmp_prereset, ops->pmp_softreset,
1064 pmp_postreset, &link); 911 ops->pmp_hardreset, ops->pmp_postreset, &link);
1065 if (rc) 912 if (rc)
1066 goto link_fail; 913 goto link_fail;
1067 914
@@ -1124,7 +971,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap,
1124 971
1125 link_fail: 972 link_fail:
1126 if (sata_pmp_handle_link_fail(link, link_tries)) { 973 if (sata_pmp_handle_link_fail(link, link_tries)) {
1127 pmp_ehc->i.action |= ATA_EH_HARDRESET; 974 pmp_ehc->i.action |= ATA_EH_RESET;
1128 goto retry; 975 goto retry;
1129 } 976 }
1130 977
@@ -1136,13 +983,13 @@ static int sata_pmp_eh_recover(struct ata_port *ap,
1136 if (ap->pflags & ATA_PFLAG_UNLOADING) 983 if (ap->pflags & ATA_PFLAG_UNLOADING)
1137 return rc; 984 return rc;
1138 985
1139 if (!ap->nr_pmp_links) 986 if (!sata_pmp_attached(ap))
1140 goto retry; 987 goto retry;
1141 988
1142 if (--pmp_tries) { 989 if (--pmp_tries) {
1143 ata_port_printk(ap, KERN_WARNING, 990 ata_port_printk(ap, KERN_WARNING,
1144 "failed to recover PMP, retrying in 5 secs\n"); 991 "failed to recover PMP, retrying in 5 secs\n");
1145 pmp_ehc->i.action |= ATA_EH_HARDRESET; 992 pmp_ehc->i.action |= ATA_EH_RESET;
1146 ssleep(5); 993 ssleep(5);
1147 goto retry; 994 goto retry;
1148 } 995 }
@@ -1157,16 +1004,8 @@ static int sata_pmp_eh_recover(struct ata_port *ap,
1157} 1004}
1158 1005
1159/** 1006/**
1160 * sata_pmp_do_eh - do standard error handling for PMP-enabled host 1007 * sata_pmp_error_handler - do standard error handling for PMP-enabled host
1161 * @ap: host port to handle error for 1008 * @ap: host port to handle error for
1162 * @prereset: prereset method (can be NULL)
1163 * @softreset: softreset method
1164 * @hardreset: hardreset method
1165 * @postreset: postreset method (can be NULL)
1166 * @pmp_prereset: PMP prereset method (can be NULL)
1167 * @pmp_softreset: PMP softreset method (can be NULL)
1168 * @pmp_hardreset: PMP hardreset method (can be NULL)
1169 * @pmp_postreset: PMP postreset method (can be NULL)
1170 * 1009 *
1171 * Perform standard error handling sequence for PMP-enabled host 1010 * Perform standard error handling sequence for PMP-enabled host
1172 * @ap. 1011 * @ap.
@@ -1174,16 +1013,14 @@ static int sata_pmp_eh_recover(struct ata_port *ap,
1174 * LOCKING: 1013 * LOCKING:
1175 * Kernel thread context (may sleep). 1014 * Kernel thread context (may sleep).
1176 */ 1015 */
1177void sata_pmp_do_eh(struct ata_port *ap, 1016void sata_pmp_error_handler(struct ata_port *ap)
1178 ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
1179 ata_reset_fn_t hardreset, ata_postreset_fn_t postreset,
1180 ata_prereset_fn_t pmp_prereset, ata_reset_fn_t pmp_softreset,
1181 ata_reset_fn_t pmp_hardreset, ata_postreset_fn_t pmp_postreset)
1182{ 1017{
1183 ata_eh_autopsy(ap); 1018 ata_eh_autopsy(ap);
1184 ata_eh_report(ap); 1019 ata_eh_report(ap);
1185 sata_pmp_eh_recover(ap, prereset, softreset, hardreset, postreset, 1020 sata_pmp_eh_recover(ap);
1186 pmp_prereset, pmp_softreset, pmp_hardreset,
1187 pmp_postreset);
1188 ata_eh_finish(ap); 1021 ata_eh_finish(ap);
1189} 1022}
1023
1024EXPORT_SYMBOL_GPL(sata_pmp_port_ops);
1025EXPORT_SYMBOL_GPL(sata_pmp_qc_defer_cmd_switch);
1026EXPORT_SYMBOL_GPL(sata_pmp_error_handler);
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 15795394b0a8..fedf62de9460 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2393,7 +2393,9 @@ static void atapi_request_sense(struct ata_queued_cmd *qc)
2393 /* FIXME: is this needed? */ 2393 /* FIXME: is this needed? */
2394 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2394 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2395 2395
2396 ap->ops->tf_read(ap, &qc->tf); 2396#ifdef CONFIG_ATA_SFF
2397 ap->ops->sff_tf_read(ap, &qc->tf);
2398#endif
2397 2399
2398 /* fill these in, for the case where they are -not- overwritten */ 2400 /* fill these in, for the case where they are -not- overwritten */
2399 cmd->sense_buffer[0] = 0x70; 2401 cmd->sense_buffer[0] = 0x70;
@@ -2615,7 +2617,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
2615 2617
2616static struct ata_device *ata_find_dev(struct ata_port *ap, int devno) 2618static struct ata_device *ata_find_dev(struct ata_port *ap, int devno)
2617{ 2619{
2618 if (ap->nr_pmp_links == 0) { 2620 if (!sata_pmp_attached(ap)) {
2619 if (likely(devno < ata_link_max_devices(&ap->link))) 2621 if (likely(devno < ata_link_max_devices(&ap->link)))
2620 return &ap->link.device[devno]; 2622 return &ap->link.device[devno];
2621 } else { 2623 } else {
@@ -2632,7 +2634,7 @@ static struct ata_device *__ata_scsi_find_dev(struct ata_port *ap,
2632 int devno; 2634 int devno;
2633 2635
2634 /* skip commands not addressed to targets we simulate */ 2636 /* skip commands not addressed to targets we simulate */
2635 if (ap->nr_pmp_links == 0) { 2637 if (!sata_pmp_attached(ap)) {
2636 if (unlikely(scsidev->channel || scsidev->lun)) 2638 if (unlikely(scsidev->channel || scsidev->lun))
2637 return NULL; 2639 return NULL;
2638 devno = scsidev->id; 2640 devno = scsidev->id;
@@ -3490,7 +3492,7 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
3490 if (lun != SCAN_WILD_CARD && lun) 3492 if (lun != SCAN_WILD_CARD && lun)
3491 return -EINVAL; 3493 return -EINVAL;
3492 3494
3493 if (ap->nr_pmp_links == 0) { 3495 if (!sata_pmp_attached(ap)) {
3494 if (channel != SCAN_WILD_CARD && channel) 3496 if (channel != SCAN_WILD_CARD && channel)
3495 return -EINVAL; 3497 return -EINVAL;
3496 devno = id; 3498 devno = id;
@@ -3507,8 +3509,8 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
3507 3509
3508 ata_port_for_each_link(link, ap) { 3510 ata_port_for_each_link(link, ap) {
3509 struct ata_eh_info *ehi = &link->eh_info; 3511 struct ata_eh_info *ehi = &link->eh_info;
3510 ehi->probe_mask |= (1 << ata_link_max_devices(link)) - 1; 3512 ehi->probe_mask |= ATA_ALL_DEVICES;
3511 ehi->action |= ATA_EH_SOFTRESET; 3513 ehi->action |= ATA_EH_RESET;
3512 } 3514 }
3513 } else { 3515 } else {
3514 struct ata_device *dev = ata_find_dev(ap, devno); 3516 struct ata_device *dev = ata_find_dev(ap, devno);
@@ -3516,8 +3518,7 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
3516 if (dev) { 3518 if (dev) {
3517 struct ata_eh_info *ehi = &dev->link->eh_info; 3519 struct ata_eh_info *ehi = &dev->link->eh_info;
3518 ehi->probe_mask |= 1 << dev->devno; 3520 ehi->probe_mask |= 1 << dev->devno;
3519 ehi->action |= ATA_EH_SOFTRESET; 3521 ehi->action |= ATA_EH_RESET;
3520 ehi->flags |= ATA_EHI_RESUME_LINK;
3521 } else 3522 } else
3522 rc = -EINVAL; 3523 rc = -EINVAL;
3523 } 3524 }
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 20dc572fb45a..15499522e642 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -35,11 +35,377 @@
35#include <linux/kernel.h> 35#include <linux/kernel.h>
36#include <linux/pci.h> 36#include <linux/pci.h>
37#include <linux/libata.h> 37#include <linux/libata.h>
38#include <linux/highmem.h>
38 39
39#include "libata.h" 40#include "libata.h"
40 41
42const struct ata_port_operations ata_sff_port_ops = {
43 .inherits = &ata_base_port_ops,
44
45 .qc_prep = ata_sff_qc_prep,
46 .qc_issue = ata_sff_qc_issue,
47 .qc_fill_rtf = ata_sff_qc_fill_rtf,
48
49 .freeze = ata_sff_freeze,
50 .thaw = ata_sff_thaw,
51 .prereset = ata_sff_prereset,
52 .softreset = ata_sff_softreset,
53 .hardreset = sata_sff_hardreset,
54 .postreset = ata_sff_postreset,
55 .error_handler = ata_sff_error_handler,
56 .post_internal_cmd = ata_sff_post_internal_cmd,
57
58 .sff_dev_select = ata_sff_dev_select,
59 .sff_check_status = ata_sff_check_status,
60 .sff_tf_load = ata_sff_tf_load,
61 .sff_tf_read = ata_sff_tf_read,
62 .sff_exec_command = ata_sff_exec_command,
63 .sff_data_xfer = ata_sff_data_xfer,
64 .sff_irq_on = ata_sff_irq_on,
65 .sff_irq_clear = ata_sff_irq_clear,
66
67 .port_start = ata_sff_port_start,
68};
69
70const struct ata_port_operations ata_bmdma_port_ops = {
71 .inherits = &ata_sff_port_ops,
72
73 .mode_filter = ata_bmdma_mode_filter,
74
75 .bmdma_setup = ata_bmdma_setup,
76 .bmdma_start = ata_bmdma_start,
77 .bmdma_stop = ata_bmdma_stop,
78 .bmdma_status = ata_bmdma_status,
79};
80
81/**
82 * ata_fill_sg - Fill PCI IDE PRD table
83 * @qc: Metadata associated with taskfile to be transferred
84 *
85 * Fill PCI IDE PRD (scatter-gather) table with segments
86 * associated with the current disk command.
87 *
88 * LOCKING:
89 * spin_lock_irqsave(host lock)
90 *
91 */
92static void ata_fill_sg(struct ata_queued_cmd *qc)
93{
94 struct ata_port *ap = qc->ap;
95 struct scatterlist *sg;
96 unsigned int si, pi;
97
98 pi = 0;
99 for_each_sg(qc->sg, sg, qc->n_elem, si) {
100 u32 addr, offset;
101 u32 sg_len, len;
102
103 /* determine if physical DMA addr spans 64K boundary.
104 * Note h/w doesn't support 64-bit, so we unconditionally
105 * truncate dma_addr_t to u32.
106 */
107 addr = (u32) sg_dma_address(sg);
108 sg_len = sg_dma_len(sg);
109
110 while (sg_len) {
111 offset = addr & 0xffff;
112 len = sg_len;
113 if ((offset + sg_len) > 0x10000)
114 len = 0x10000 - offset;
115
116 ap->prd[pi].addr = cpu_to_le32(addr);
117 ap->prd[pi].flags_len = cpu_to_le32(len & 0xffff);
118 VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len);
119
120 pi++;
121 sg_len -= len;
122 addr += len;
123 }
124 }
125
126 ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
127}
128
129/**
130 * ata_fill_sg_dumb - Fill PCI IDE PRD table
131 * @qc: Metadata associated with taskfile to be transferred
132 *
133 * Fill PCI IDE PRD (scatter-gather) table with segments
134 * associated with the current disk command. Perform the fill
135 * so that we avoid writing any length 64K records for
136 * controllers that don't follow the spec.
137 *
138 * LOCKING:
139 * spin_lock_irqsave(host lock)
140 *
141 */
142static void ata_fill_sg_dumb(struct ata_queued_cmd *qc)
143{
144 struct ata_port *ap = qc->ap;
145 struct scatterlist *sg;
146 unsigned int si, pi;
147
148 pi = 0;
149 for_each_sg(qc->sg, sg, qc->n_elem, si) {
150 u32 addr, offset;
151 u32 sg_len, len, blen;
152
153 /* determine if physical DMA addr spans 64K boundary.
154 * Note h/w doesn't support 64-bit, so we unconditionally
155 * truncate dma_addr_t to u32.
156 */
157 addr = (u32) sg_dma_address(sg);
158 sg_len = sg_dma_len(sg);
159
160 while (sg_len) {
161 offset = addr & 0xffff;
162 len = sg_len;
163 if ((offset + sg_len) > 0x10000)
164 len = 0x10000 - offset;
165
166 blen = len & 0xffff;
167 ap->prd[pi].addr = cpu_to_le32(addr);
168 if (blen == 0) {
169 /* Some PATA chipsets like the CS5530 can't
170 cope with 0x0000 meaning 64K as the spec says */
171 ap->prd[pi].flags_len = cpu_to_le32(0x8000);
172 blen = 0x8000;
173 ap->prd[++pi].addr = cpu_to_le32(addr + 0x8000);
174 }
175 ap->prd[pi].flags_len = cpu_to_le32(blen);
176 VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len);
177
178 pi++;
179 sg_len -= len;
180 addr += len;
181 }
182 }
183
184 ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
185}
186
187/**
188 * ata_sff_qc_prep - Prepare taskfile for submission
189 * @qc: Metadata associated with taskfile to be prepared
190 *
191 * Prepare ATA taskfile for submission.
192 *
193 * LOCKING:
194 * spin_lock_irqsave(host lock)
195 */
196void ata_sff_qc_prep(struct ata_queued_cmd *qc)
197{
198 if (!(qc->flags & ATA_QCFLAG_DMAMAP))
199 return;
200
201 ata_fill_sg(qc);
202}
203
204/**
205 * ata_sff_dumb_qc_prep - Prepare taskfile for submission
206 * @qc: Metadata associated with taskfile to be prepared
207 *
208 * Prepare ATA taskfile for submission.
209 *
210 * LOCKING:
211 * spin_lock_irqsave(host lock)
212 */
213void ata_sff_dumb_qc_prep(struct ata_queued_cmd *qc)
214{
215 if (!(qc->flags & ATA_QCFLAG_DMAMAP))
216 return;
217
218 ata_fill_sg_dumb(qc);
219}
220
221/**
222 * ata_sff_check_status - Read device status reg & clear interrupt
223 * @ap: port where the device is
224 *
225 * Reads ATA taskfile status register for currently-selected device
226 * and return its value. This also clears pending interrupts
227 * from this device
228 *
229 * LOCKING:
230 * Inherited from caller.
231 */
232u8 ata_sff_check_status(struct ata_port *ap)
233{
234 return ioread8(ap->ioaddr.status_addr);
235}
236
237/**
238 * ata_sff_altstatus - Read device alternate status reg
239 * @ap: port where the device is
240 *
241 * Reads ATA taskfile alternate status register for
242 * currently-selected device and return its value.
243 *
244 * Note: may NOT be used as the check_altstatus() entry in
245 * ata_port_operations.
246 *
247 * LOCKING:
248 * Inherited from caller.
249 */
250u8 ata_sff_altstatus(struct ata_port *ap)
251{
252 if (ap->ops->sff_check_altstatus)
253 return ap->ops->sff_check_altstatus(ap);
254
255 return ioread8(ap->ioaddr.altstatus_addr);
256}
257
258/**
259 * ata_sff_busy_sleep - sleep until BSY clears, or timeout
260 * @ap: port containing status register to be polled
261 * @tmout_pat: impatience timeout
262 * @tmout: overall timeout
263 *
264 * Sleep until ATA Status register bit BSY clears,
265 * or a timeout occurs.
266 *
267 * LOCKING:
268 * Kernel thread context (may sleep).
269 *
270 * RETURNS:
271 * 0 on success, -errno otherwise.
272 */
273int ata_sff_busy_sleep(struct ata_port *ap,
274 unsigned long tmout_pat, unsigned long tmout)
275{
276 unsigned long timer_start, timeout;
277 u8 status;
278
279 status = ata_sff_busy_wait(ap, ATA_BUSY, 300);
280 timer_start = jiffies;
281 timeout = timer_start + tmout_pat;
282 while (status != 0xff && (status & ATA_BUSY) &&
283 time_before(jiffies, timeout)) {
284 msleep(50);
285 status = ata_sff_busy_wait(ap, ATA_BUSY, 3);
286 }
287
288 if (status != 0xff && (status & ATA_BUSY))
289 ata_port_printk(ap, KERN_WARNING,
290 "port is slow to respond, please be patient "
291 "(Status 0x%x)\n", status);
292
293 timeout = timer_start + tmout;
294 while (status != 0xff && (status & ATA_BUSY) &&
295 time_before(jiffies, timeout)) {
296 msleep(50);
297 status = ap->ops->sff_check_status(ap);
298 }
299
300 if (status == 0xff)
301 return -ENODEV;
302
303 if (status & ATA_BUSY) {
304 ata_port_printk(ap, KERN_ERR, "port failed to respond "
305 "(%lu secs, Status 0x%x)\n",
306 tmout / HZ, status);
307 return -EBUSY;
308 }
309
310 return 0;
311}
312
313static int ata_sff_check_ready(struct ata_link *link)
314{
315 u8 status = link->ap->ops->sff_check_status(link->ap);
316
317 if (!(status & ATA_BUSY))
318 return 1;
319 if (status == 0xff)
320 return -ENODEV;
321 return 0;
322}
323
324/**
325 * ata_sff_wait_ready - sleep until BSY clears, or timeout
326 * @link: SFF link to wait ready status for
327 * @deadline: deadline jiffies for the operation
328 *
329 * Sleep until ATA Status register bit BSY clears, or timeout
330 * occurs.
331 *
332 * LOCKING:
333 * Kernel thread context (may sleep).
334 *
335 * RETURNS:
336 * 0 on success, -errno otherwise.
337 */
338int ata_sff_wait_ready(struct ata_link *link, unsigned long deadline)
339{
340 return ata_wait_ready(link, deadline, ata_sff_check_ready);
341}
342
343/**
344 * ata_sff_dev_select - Select device 0/1 on ATA bus
345 * @ap: ATA channel to manipulate
346 * @device: ATA device (numbered from zero) to select
347 *
348 * Use the method defined in the ATA specification to
349 * make either device 0, or device 1, active on the
350 * ATA channel. Works with both PIO and MMIO.
351 *
352 * May be used as the dev_select() entry in ata_port_operations.
353 *
354 * LOCKING:
355 * caller.
356 */
357void ata_sff_dev_select(struct ata_port *ap, unsigned int device)
358{
359 u8 tmp;
360
361 if (device == 0)
362 tmp = ATA_DEVICE_OBS;
363 else
364 tmp = ATA_DEVICE_OBS | ATA_DEV1;
365
366 iowrite8(tmp, ap->ioaddr.device_addr);
367 ata_sff_pause(ap); /* needed; also flushes, for mmio */
368}
369
370/**
371 * ata_dev_select - Select device 0/1 on ATA bus
372 * @ap: ATA channel to manipulate
373 * @device: ATA device (numbered from zero) to select
374 * @wait: non-zero to wait for Status register BSY bit to clear
375 * @can_sleep: non-zero if context allows sleeping
376 *
377 * Use the method defined in the ATA specification to
378 * make either device 0, or device 1, active on the
379 * ATA channel.
380 *
381 * This is a high-level version of ata_sff_dev_select(), which
382 * additionally provides the services of inserting the proper
383 * pauses and status polling, where needed.
384 *
385 * LOCKING:
386 * caller.
387 */
388void ata_dev_select(struct ata_port *ap, unsigned int device,
389 unsigned int wait, unsigned int can_sleep)
390{
391 if (ata_msg_probe(ap))
392 ata_port_printk(ap, KERN_INFO, "ata_dev_select: ENTER, "
393 "device %u, wait %u\n", device, wait);
394
395 if (wait)
396 ata_wait_idle(ap);
397
398 ap->ops->sff_dev_select(ap, device);
399
400 if (wait) {
401 if (can_sleep && ap->link.device[device].class == ATA_DEV_ATAPI)
402 msleep(150);
403 ata_wait_idle(ap);
404 }
405}
406
41/** 407/**
42 * ata_irq_on - Enable interrupts on a port. 408 * ata_sff_irq_on - Enable interrupts on a port.
43 * @ap: Port on which interrupts are enabled. 409 * @ap: Port on which interrupts are enabled.
44 * 410 *
45 * Enable interrupts on a legacy IDE device using MMIO or PIO, 411 * Enable interrupts on a legacy IDE device using MMIO or PIO,
@@ -48,7 +414,7 @@
48 * LOCKING: 414 * LOCKING:
49 * Inherited from caller. 415 * Inherited from caller.
50 */ 416 */
51u8 ata_irq_on(struct ata_port *ap) 417u8 ata_sff_irq_on(struct ata_port *ap)
52{ 418{
53 struct ata_ioports *ioaddr = &ap->ioaddr; 419 struct ata_ioports *ioaddr = &ap->ioaddr;
54 u8 tmp; 420 u8 tmp;
@@ -60,13 +426,34 @@ u8 ata_irq_on(struct ata_port *ap)
60 iowrite8(ap->ctl, ioaddr->ctl_addr); 426 iowrite8(ap->ctl, ioaddr->ctl_addr);
61 tmp = ata_wait_idle(ap); 427 tmp = ata_wait_idle(ap);
62 428
63 ap->ops->irq_clear(ap); 429 ap->ops->sff_irq_clear(ap);
64 430
65 return tmp; 431 return tmp;
66} 432}
67 433
68/** 434/**
69 * ata_tf_load - send taskfile registers to host controller 435 * ata_sff_irq_clear - Clear PCI IDE BMDMA interrupt.
436 * @ap: Port associated with this ATA transaction.
437 *
438 * Clear interrupt and error flags in DMA status register.
439 *
440 * May be used as the irq_clear() entry in ata_port_operations.
441 *
442 * LOCKING:
443 * spin_lock_irqsave(host lock)
444 */
445void ata_sff_irq_clear(struct ata_port *ap)
446{
447 void __iomem *mmio = ap->ioaddr.bmdma_addr;
448
449 if (!mmio)
450 return;
451
452 iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS);
453}
454
455/**
456 * ata_sff_tf_load - send taskfile registers to host controller
70 * @ap: Port to which output is sent 457 * @ap: Port to which output is sent
71 * @tf: ATA taskfile register set 458 * @tf: ATA taskfile register set
72 * 459 *
@@ -75,8 +462,7 @@ u8 ata_irq_on(struct ata_port *ap)
75 * LOCKING: 462 * LOCKING:
76 * Inherited from caller. 463 * Inherited from caller.
77 */ 464 */
78 465void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
79void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
80{ 466{
81 struct ata_ioports *ioaddr = &ap->ioaddr; 467 struct ata_ioports *ioaddr = &ap->ioaddr;
82 unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; 468 unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
@@ -126,26 +512,7 @@ void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
126} 512}
127 513
128/** 514/**
129 * ata_exec_command - issue ATA command to host controller 515 * ata_sff_tf_read - input device's ATA taskfile shadow registers
130 * @ap: port to which command is being issued
131 * @tf: ATA taskfile register set
132 *
133 * Issues ATA command, with proper synchronization with interrupt
134 * handler / other threads.
135 *
136 * LOCKING:
137 * spin_lock_irqsave(host lock)
138 */
139void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
140{
141 DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
142
143 iowrite8(tf->command, ap->ioaddr.command_addr);
144 ata_pause(ap);
145}
146
147/**
148 * ata_tf_read - input device's ATA taskfile shadow registers
149 * @ap: Port from which input is read 516 * @ap: Port from which input is read
150 * @tf: ATA taskfile register set for storing input 517 * @tf: ATA taskfile register set for storing input
151 * 518 *
@@ -157,11 +524,11 @@ void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
157 * LOCKING: 524 * LOCKING:
158 * Inherited from caller. 525 * Inherited from caller.
159 */ 526 */
160void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf) 527void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
161{ 528{
162 struct ata_ioports *ioaddr = &ap->ioaddr; 529 struct ata_ioports *ioaddr = &ap->ioaddr;
163 530
164 tf->command = ata_check_status(ap); 531 tf->command = ata_sff_check_status(ap);
165 tf->feature = ioread8(ioaddr->error_addr); 532 tf->feature = ioread8(ioaddr->error_addr);
166 tf->nsect = ioread8(ioaddr->nsect_addr); 533 tf->nsect = ioread8(ioaddr->nsect_addr);
167 tf->lbal = ioread8(ioaddr->lbal_addr); 534 tf->lbal = ioread8(ioaddr->lbal_addr);
@@ -185,165 +552,1028 @@ void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
185} 552}
186 553
187/** 554/**
188 * ata_check_status - Read device status reg & clear interrupt 555 * ata_sff_exec_command - issue ATA command to host controller
189 * @ap: port where the device is 556 * @ap: port to which command is being issued
557 * @tf: ATA taskfile register set
190 * 558 *
191 * Reads ATA taskfile status register for currently-selected device 559 * Issues ATA command, with proper synchronization with interrupt
192 * and return its value. This also clears pending interrupts 560 * handler / other threads.
193 * from this device
194 * 561 *
195 * LOCKING: 562 * LOCKING:
196 * Inherited from caller. 563 * spin_lock_irqsave(host lock)
197 */ 564 */
198u8 ata_check_status(struct ata_port *ap) 565void ata_sff_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
199{ 566{
200 return ioread8(ap->ioaddr.status_addr); 567 DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
568
569 iowrite8(tf->command, ap->ioaddr.command_addr);
570 ata_sff_pause(ap);
201} 571}
202 572
203/** 573/**
204 * ata_altstatus - Read device alternate status reg 574 * ata_tf_to_host - issue ATA taskfile to host controller
205 * @ap: port where the device is 575 * @ap: port to which command is being issued
576 * @tf: ATA taskfile register set
206 * 577 *
207 * Reads ATA taskfile alternate status register for 578 * Issues ATA taskfile register set to ATA host controller,
208 * currently-selected device and return its value. 579 * with proper synchronization with interrupt handler and
580 * other threads.
209 * 581 *
210 * Note: may NOT be used as the check_altstatus() entry in 582 * LOCKING:
211 * ata_port_operations. 583 * spin_lock_irqsave(host lock)
584 */
585static inline void ata_tf_to_host(struct ata_port *ap,
586 const struct ata_taskfile *tf)
587{
588 ap->ops->sff_tf_load(ap, tf);
589 ap->ops->sff_exec_command(ap, tf);
590}
591
592/**
593 * ata_sff_data_xfer - Transfer data by PIO
594 * @dev: device to target
595 * @buf: data buffer
596 * @buflen: buffer length
597 * @rw: read/write
598 *
599 * Transfer data from/to the device data register by PIO.
212 * 600 *
213 * LOCKING: 601 * LOCKING:
214 * Inherited from caller. 602 * Inherited from caller.
603 *
604 * RETURNS:
605 * Bytes consumed.
215 */ 606 */
216u8 ata_altstatus(struct ata_port *ap) 607unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf,
608 unsigned int buflen, int rw)
217{ 609{
218 if (ap->ops->check_altstatus) 610 struct ata_port *ap = dev->link->ap;
219 return ap->ops->check_altstatus(ap); 611 void __iomem *data_addr = ap->ioaddr.data_addr;
612 unsigned int words = buflen >> 1;
220 613
221 return ioread8(ap->ioaddr.altstatus_addr); 614 /* Transfer multiple of 2 bytes */
615 if (rw == READ)
616 ioread16_rep(data_addr, buf, words);
617 else
618 iowrite16_rep(data_addr, buf, words);
619
620 /* Transfer trailing 1 byte, if any. */
621 if (unlikely(buflen & 0x01)) {
622 __le16 align_buf[1] = { 0 };
623 unsigned char *trailing_buf = buf + buflen - 1;
624
625 if (rw == READ) {
626 align_buf[0] = cpu_to_le16(ioread16(data_addr));
627 memcpy(trailing_buf, align_buf, 1);
628 } else {
629 memcpy(align_buf, trailing_buf, 1);
630 iowrite16(le16_to_cpu(align_buf[0]), data_addr);
631 }
632 words++;
633 }
634
635 return words << 1;
222} 636}
223 637
224/** 638/**
225 * ata_bmdma_setup - Set up PCI IDE BMDMA transaction 639 * ata_sff_data_xfer_noirq - Transfer data by PIO
226 * @qc: Info associated with this ATA transaction. 640 * @dev: device to target
641 * @buf: data buffer
642 * @buflen: buffer length
643 * @rw: read/write
644 *
645 * Transfer data from/to the device data register by PIO. Do the
646 * transfer with interrupts disabled.
227 * 647 *
228 * LOCKING: 648 * LOCKING:
229 * spin_lock_irqsave(host lock) 649 * Inherited from caller.
650 *
651 * RETURNS:
652 * Bytes consumed.
230 */ 653 */
231void ata_bmdma_setup(struct ata_queued_cmd *qc) 654unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf,
655 unsigned int buflen, int rw)
656{
657 unsigned long flags;
658 unsigned int consumed;
659
660 local_irq_save(flags);
661 consumed = ata_sff_data_xfer(dev, buf, buflen, rw);
662 local_irq_restore(flags);
663
664 return consumed;
665}
666
667/**
668 * ata_pio_sector - Transfer a sector of data.
669 * @qc: Command on going
670 *
671 * Transfer qc->sect_size bytes of data from/to the ATA device.
672 *
673 * LOCKING:
674 * Inherited from caller.
675 */
676static void ata_pio_sector(struct ata_queued_cmd *qc)
232{ 677{
678 int do_write = (qc->tf.flags & ATA_TFLAG_WRITE);
233 struct ata_port *ap = qc->ap; 679 struct ata_port *ap = qc->ap;
234 unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); 680 struct page *page;
235 u8 dmactl; 681 unsigned int offset;
682 unsigned char *buf;
236 683
237 /* load PRD table addr. */ 684 if (qc->curbytes == qc->nbytes - qc->sect_size)
238 mb(); /* make sure PRD table writes are visible to controller */ 685 ap->hsm_task_state = HSM_ST_LAST;
239 iowrite32(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS);
240 686
241 /* specify data direction, triple-check start bit is clear */ 687 page = sg_page(qc->cursg);
242 dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); 688 offset = qc->cursg->offset + qc->cursg_ofs;
243 dmactl &= ~(ATA_DMA_WR | ATA_DMA_START);
244 if (!rw)
245 dmactl |= ATA_DMA_WR;
246 iowrite8(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
247 689
248 /* issue r/w command */ 690 /* get the current page and offset */
249 ap->ops->exec_command(ap, &qc->tf); 691 page = nth_page(page, (offset >> PAGE_SHIFT));
692 offset %= PAGE_SIZE;
693
694 DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
695
696 if (PageHighMem(page)) {
697 unsigned long flags;
698
699 /* FIXME: use a bounce buffer */
700 local_irq_save(flags);
701 buf = kmap_atomic(page, KM_IRQ0);
702
703 /* do the actual data transfer */
704 ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
705 do_write);
706
707 kunmap_atomic(buf, KM_IRQ0);
708 local_irq_restore(flags);
709 } else {
710 buf = page_address(page);
711 ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
712 do_write);
713 }
714
715 qc->curbytes += qc->sect_size;
716 qc->cursg_ofs += qc->sect_size;
717
718 if (qc->cursg_ofs == qc->cursg->length) {
719 qc->cursg = sg_next(qc->cursg);
720 qc->cursg_ofs = 0;
721 }
250} 722}
251 723
252/** 724/**
253 * ata_bmdma_start - Start a PCI IDE BMDMA transaction 725 * ata_pio_sectors - Transfer one or many sectors.
254 * @qc: Info associated with this ATA transaction. 726 * @qc: Command on going
727 *
728 * Transfer one or many sectors of data from/to the
729 * ATA device for the DRQ request.
255 * 730 *
256 * LOCKING: 731 * LOCKING:
257 * spin_lock_irqsave(host lock) 732 * Inherited from caller.
258 */ 733 */
259void ata_bmdma_start(struct ata_queued_cmd *qc) 734static void ata_pio_sectors(struct ata_queued_cmd *qc)
735{
736 if (is_multi_taskfile(&qc->tf)) {
737 /* READ/WRITE MULTIPLE */
738 unsigned int nsect;
739
740 WARN_ON(qc->dev->multi_count == 0);
741
742 nsect = min((qc->nbytes - qc->curbytes) / qc->sect_size,
743 qc->dev->multi_count);
744 while (nsect--)
745 ata_pio_sector(qc);
746 } else
747 ata_pio_sector(qc);
748
749 ata_sff_altstatus(qc->ap); /* flush */
750}
751
752/**
753 * atapi_send_cdb - Write CDB bytes to hardware
754 * @ap: Port to which ATAPI device is attached.
755 * @qc: Taskfile currently active
756 *
757 * When device has indicated its readiness to accept
758 * a CDB, this function is called. Send the CDB.
759 *
760 * LOCKING:
761 * caller.
762 */
763static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
764{
765 /* send SCSI cdb */
766 DPRINTK("send cdb\n");
767 WARN_ON(qc->dev->cdb_len < 12);
768
769 ap->ops->sff_data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1);
770 ata_sff_altstatus(ap); /* flush */
771
772 switch (qc->tf.protocol) {
773 case ATAPI_PROT_PIO:
774 ap->hsm_task_state = HSM_ST;
775 break;
776 case ATAPI_PROT_NODATA:
777 ap->hsm_task_state = HSM_ST_LAST;
778 break;
779 case ATAPI_PROT_DMA:
780 ap->hsm_task_state = HSM_ST_LAST;
781 /* initiate bmdma */
782 ap->ops->bmdma_start(qc);
783 break;
784 }
785}
786
787/**
788 * __atapi_pio_bytes - Transfer data from/to the ATAPI device.
789 * @qc: Command on going
790 * @bytes: number of bytes
791 *
792 * Transfer Transfer data from/to the ATAPI device.
793 *
794 * LOCKING:
795 * Inherited from caller.
796 *
797 */
798static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes)
260{ 799{
800 int rw = (qc->tf.flags & ATA_TFLAG_WRITE) ? WRITE : READ;
261 struct ata_port *ap = qc->ap; 801 struct ata_port *ap = qc->ap;
262 u8 dmactl; 802 struct ata_device *dev = qc->dev;
803 struct ata_eh_info *ehi = &dev->link->eh_info;
804 struct scatterlist *sg;
805 struct page *page;
806 unsigned char *buf;
807 unsigned int offset, count, consumed;
808
809next_sg:
810 sg = qc->cursg;
811 if (unlikely(!sg)) {
812 ata_ehi_push_desc(ehi, "unexpected or too much trailing data "
813 "buf=%u cur=%u bytes=%u",
814 qc->nbytes, qc->curbytes, bytes);
815 return -1;
816 }
263 817
264 /* start host DMA transaction */ 818 page = sg_page(sg);
265 dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); 819 offset = sg->offset + qc->cursg_ofs;
266 iowrite8(dmactl | ATA_DMA_START, ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
267 820
268 /* Strictly, one may wish to issue an ioread8() here, to 821 /* get the current page and offset */
269 * flush the mmio write. However, control also passes 822 page = nth_page(page, (offset >> PAGE_SHIFT));
270 * to the hardware at this point, and it will interrupt 823 offset %= PAGE_SIZE;
271 * us when we are to resume control. So, in effect, 824
272 * we don't care when the mmio write flushes. 825 /* don't overrun current sg */
273 * Further, a read of the DMA status register _immediately_ 826 count = min(sg->length - qc->cursg_ofs, bytes);
274 * following the write may not be what certain flaky hardware 827
275 * is expected, so I think it is best to not add a readb() 828 /* don't cross page boundaries */
276 * without first all the MMIO ATA cards/mobos. 829 count = min(count, (unsigned int)PAGE_SIZE - offset);
277 * Or maybe I'm just being paranoid. 830
278 * 831 DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
279 * FIXME: The posting of this write means I/O starts are 832
280 * unneccessarily delayed for MMIO 833 if (PageHighMem(page)) {
834 unsigned long flags;
835
836 /* FIXME: use bounce buffer */
837 local_irq_save(flags);
838 buf = kmap_atomic(page, KM_IRQ0);
839
840 /* do the actual data transfer */
841 consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw);
842
843 kunmap_atomic(buf, KM_IRQ0);
844 local_irq_restore(flags);
845 } else {
846 buf = page_address(page);
847 consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw);
848 }
849
850 bytes -= min(bytes, consumed);
851 qc->curbytes += count;
852 qc->cursg_ofs += count;
853
854 if (qc->cursg_ofs == sg->length) {
855 qc->cursg = sg_next(qc->cursg);
856 qc->cursg_ofs = 0;
857 }
858
859 /* consumed can be larger than count only for the last transfer */
860 WARN_ON(qc->cursg && count != consumed);
861
862 if (bytes)
863 goto next_sg;
864 return 0;
865}
866
867/**
868 * atapi_pio_bytes - Transfer data from/to the ATAPI device.
869 * @qc: Command on going
870 *
871 * Transfer Transfer data from/to the ATAPI device.
872 *
873 * LOCKING:
874 * Inherited from caller.
875 */
876static void atapi_pio_bytes(struct ata_queued_cmd *qc)
877{
878 struct ata_port *ap = qc->ap;
879 struct ata_device *dev = qc->dev;
880 struct ata_eh_info *ehi = &dev->link->eh_info;
881 unsigned int ireason, bc_lo, bc_hi, bytes;
882 int i_write, do_write = (qc->tf.flags & ATA_TFLAG_WRITE) ? 1 : 0;
883
884 /* Abuse qc->result_tf for temp storage of intermediate TF
885 * here to save some kernel stack usage.
886 * For normal completion, qc->result_tf is not relevant. For
887 * error, qc->result_tf is later overwritten by ata_qc_complete().
888 * So, the correctness of qc->result_tf is not affected.
281 */ 889 */
890 ap->ops->sff_tf_read(ap, &qc->result_tf);
891 ireason = qc->result_tf.nsect;
892 bc_lo = qc->result_tf.lbam;
893 bc_hi = qc->result_tf.lbah;
894 bytes = (bc_hi << 8) | bc_lo;
895
896 /* shall be cleared to zero, indicating xfer of data */
897 if (unlikely(ireason & (1 << 0)))
898 goto atapi_check;
899
900 /* make sure transfer direction matches expected */
901 i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0;
902 if (unlikely(do_write != i_write))
903 goto atapi_check;
904
905 if (unlikely(!bytes))
906 goto atapi_check;
907
908 VPRINTK("ata%u: xfering %d bytes\n", ap->print_id, bytes);
909
910 if (unlikely(__atapi_pio_bytes(qc, bytes)))
911 goto err_out;
912 ata_sff_altstatus(ap); /* flush */
913
914 return;
915
916 atapi_check:
917 ata_ehi_push_desc(ehi, "ATAPI check failed (ireason=0x%x bytes=%u)",
918 ireason, bytes);
919 err_out:
920 qc->err_mask |= AC_ERR_HSM;
921 ap->hsm_task_state = HSM_ST_ERR;
282} 922}
283 923
284/** 924/**
285 * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. 925 * ata_hsm_ok_in_wq - Check if the qc can be handled in the workqueue.
286 * @ap: Port associated with this ATA transaction. 926 * @ap: the target ata_port
927 * @qc: qc on going
287 * 928 *
288 * Clear interrupt and error flags in DMA status register. 929 * RETURNS:
930 * 1 if ok in workqueue, 0 otherwise.
931 */
932static inline int ata_hsm_ok_in_wq(struct ata_port *ap, struct ata_queued_cmd *qc)
933{
934 if (qc->tf.flags & ATA_TFLAG_POLLING)
935 return 1;
936
937 if (ap->hsm_task_state == HSM_ST_FIRST) {
938 if (qc->tf.protocol == ATA_PROT_PIO &&
939 (qc->tf.flags & ATA_TFLAG_WRITE))
940 return 1;
941
942 if (ata_is_atapi(qc->tf.protocol) &&
943 !(qc->dev->flags & ATA_DFLAG_CDB_INTR))
944 return 1;
945 }
946
947 return 0;
948}
949
950/**
951 * ata_hsm_qc_complete - finish a qc running on standard HSM
952 * @qc: Command to complete
953 * @in_wq: 1 if called from workqueue, 0 otherwise
289 * 954 *
290 * May be used as the irq_clear() entry in ata_port_operations. 955 * Finish @qc which is running on standard HSM.
291 * 956 *
292 * LOCKING: 957 * LOCKING:
293 * spin_lock_irqsave(host lock) 958 * If @in_wq is zero, spin_lock_irqsave(host lock).
959 * Otherwise, none on entry and grabs host lock.
294 */ 960 */
295void ata_bmdma_irq_clear(struct ata_port *ap) 961static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq)
296{ 962{
297 void __iomem *mmio = ap->ioaddr.bmdma_addr; 963 struct ata_port *ap = qc->ap;
964 unsigned long flags;
298 965
299 if (!mmio) 966 if (ap->ops->error_handler) {
300 return; 967 if (in_wq) {
968 spin_lock_irqsave(ap->lock, flags);
969
970 /* EH might have kicked in while host lock is
971 * released.
972 */
973 qc = ata_qc_from_tag(ap, qc->tag);
974 if (qc) {
975 if (likely(!(qc->err_mask & AC_ERR_HSM))) {
976 ap->ops->sff_irq_on(ap);
977 ata_qc_complete(qc);
978 } else
979 ata_port_freeze(ap);
980 }
981
982 spin_unlock_irqrestore(ap->lock, flags);
983 } else {
984 if (likely(!(qc->err_mask & AC_ERR_HSM)))
985 ata_qc_complete(qc);
986 else
987 ata_port_freeze(ap);
988 }
989 } else {
990 if (in_wq) {
991 spin_lock_irqsave(ap->lock, flags);
992 ap->ops->sff_irq_on(ap);
993 ata_qc_complete(qc);
994 spin_unlock_irqrestore(ap->lock, flags);
995 } else
996 ata_qc_complete(qc);
997 }
998}
301 999
302 iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS); 1000/**
1001 * ata_sff_hsm_move - move the HSM to the next state.
1002 * @ap: the target ata_port
1003 * @qc: qc on going
1004 * @status: current device status
1005 * @in_wq: 1 if called from workqueue, 0 otherwise
1006 *
1007 * RETURNS:
1008 * 1 when poll next status needed, 0 otherwise.
1009 */
1010int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1011 u8 status, int in_wq)
1012{
1013 unsigned long flags = 0;
1014 int poll_next;
1015
1016 WARN_ON((qc->flags & ATA_QCFLAG_ACTIVE) == 0);
1017
1018 /* Make sure ata_sff_qc_issue() does not throw things
1019 * like DMA polling into the workqueue. Notice that
1020 * in_wq is not equivalent to (qc->tf.flags & ATA_TFLAG_POLLING).
1021 */
1022 WARN_ON(in_wq != ata_hsm_ok_in_wq(ap, qc));
1023
1024fsm_start:
1025 DPRINTK("ata%u: protocol %d task_state %d (dev_stat 0x%X)\n",
1026 ap->print_id, qc->tf.protocol, ap->hsm_task_state, status);
1027
1028 switch (ap->hsm_task_state) {
1029 case HSM_ST_FIRST:
1030 /* Send first data block or PACKET CDB */
1031
1032 /* If polling, we will stay in the work queue after
1033 * sending the data. Otherwise, interrupt handler
1034 * takes over after sending the data.
1035 */
1036 poll_next = (qc->tf.flags & ATA_TFLAG_POLLING);
1037
1038 /* check device status */
1039 if (unlikely((status & ATA_DRQ) == 0)) {
1040 /* handle BSY=0, DRQ=0 as error */
1041 if (likely(status & (ATA_ERR | ATA_DF)))
1042 /* device stops HSM for abort/error */
1043 qc->err_mask |= AC_ERR_DEV;
1044 else
1045 /* HSM violation. Let EH handle this */
1046 qc->err_mask |= AC_ERR_HSM;
1047
1048 ap->hsm_task_state = HSM_ST_ERR;
1049 goto fsm_start;
1050 }
1051
1052 /* Device should not ask for data transfer (DRQ=1)
1053 * when it finds something wrong.
1054 * We ignore DRQ here and stop the HSM by
1055 * changing hsm_task_state to HSM_ST_ERR and
1056 * let the EH abort the command or reset the device.
1057 */
1058 if (unlikely(status & (ATA_ERR | ATA_DF))) {
1059 /* Some ATAPI tape drives forget to clear the ERR bit
1060 * when doing the next command (mostly request sense).
1061 * We ignore ERR here to workaround and proceed sending
1062 * the CDB.
1063 */
1064 if (!(qc->dev->horkage & ATA_HORKAGE_STUCK_ERR)) {
1065 ata_port_printk(ap, KERN_WARNING,
1066 "DRQ=1 with device error, "
1067 "dev_stat 0x%X\n", status);
1068 qc->err_mask |= AC_ERR_HSM;
1069 ap->hsm_task_state = HSM_ST_ERR;
1070 goto fsm_start;
1071 }
1072 }
1073
1074 /* Send the CDB (atapi) or the first data block (ata pio out).
1075 * During the state transition, interrupt handler shouldn't
1076 * be invoked before the data transfer is complete and
1077 * hsm_task_state is changed. Hence, the following locking.
1078 */
1079 if (in_wq)
1080 spin_lock_irqsave(ap->lock, flags);
1081
1082 if (qc->tf.protocol == ATA_PROT_PIO) {
1083 /* PIO data out protocol.
1084 * send first data block.
1085 */
1086
1087 /* ata_pio_sectors() might change the state
1088 * to HSM_ST_LAST. so, the state is changed here
1089 * before ata_pio_sectors().
1090 */
1091 ap->hsm_task_state = HSM_ST;
1092 ata_pio_sectors(qc);
1093 } else
1094 /* send CDB */
1095 atapi_send_cdb(ap, qc);
1096
1097 if (in_wq)
1098 spin_unlock_irqrestore(ap->lock, flags);
1099
1100 /* if polling, ata_pio_task() handles the rest.
1101 * otherwise, interrupt handler takes over from here.
1102 */
1103 break;
1104
1105 case HSM_ST:
1106 /* complete command or read/write the data register */
1107 if (qc->tf.protocol == ATAPI_PROT_PIO) {
1108 /* ATAPI PIO protocol */
1109 if ((status & ATA_DRQ) == 0) {
1110 /* No more data to transfer or device error.
1111 * Device error will be tagged in HSM_ST_LAST.
1112 */
1113 ap->hsm_task_state = HSM_ST_LAST;
1114 goto fsm_start;
1115 }
1116
1117 /* Device should not ask for data transfer (DRQ=1)
1118 * when it finds something wrong.
1119 * We ignore DRQ here and stop the HSM by
1120 * changing hsm_task_state to HSM_ST_ERR and
1121 * let the EH abort the command or reset the device.
1122 */
1123 if (unlikely(status & (ATA_ERR | ATA_DF))) {
1124 ata_port_printk(ap, KERN_WARNING, "DRQ=1 with "
1125 "device error, dev_stat 0x%X\n",
1126 status);
1127 qc->err_mask |= AC_ERR_HSM;
1128 ap->hsm_task_state = HSM_ST_ERR;
1129 goto fsm_start;
1130 }
1131
1132 atapi_pio_bytes(qc);
1133
1134 if (unlikely(ap->hsm_task_state == HSM_ST_ERR))
1135 /* bad ireason reported by device */
1136 goto fsm_start;
1137
1138 } else {
1139 /* ATA PIO protocol */
1140 if (unlikely((status & ATA_DRQ) == 0)) {
1141 /* handle BSY=0, DRQ=0 as error */
1142 if (likely(status & (ATA_ERR | ATA_DF)))
1143 /* device stops HSM for abort/error */
1144 qc->err_mask |= AC_ERR_DEV;
1145 else
1146 /* HSM violation. Let EH handle this.
1147 * Phantom devices also trigger this
1148 * condition. Mark hint.
1149 */
1150 qc->err_mask |= AC_ERR_HSM |
1151 AC_ERR_NODEV_HINT;
1152
1153 ap->hsm_task_state = HSM_ST_ERR;
1154 goto fsm_start;
1155 }
1156
1157 /* For PIO reads, some devices may ask for
1158 * data transfer (DRQ=1) alone with ERR=1.
1159 * We respect DRQ here and transfer one
1160 * block of junk data before changing the
1161 * hsm_task_state to HSM_ST_ERR.
1162 *
1163 * For PIO writes, ERR=1 DRQ=1 doesn't make
1164 * sense since the data block has been
1165 * transferred to the device.
1166 */
1167 if (unlikely(status & (ATA_ERR | ATA_DF))) {
1168 /* data might be corrputed */
1169 qc->err_mask |= AC_ERR_DEV;
1170
1171 if (!(qc->tf.flags & ATA_TFLAG_WRITE)) {
1172 ata_pio_sectors(qc);
1173 status = ata_wait_idle(ap);
1174 }
1175
1176 if (status & (ATA_BUSY | ATA_DRQ))
1177 qc->err_mask |= AC_ERR_HSM;
1178
1179 /* ata_pio_sectors() might change the
1180 * state to HSM_ST_LAST. so, the state
1181 * is changed after ata_pio_sectors().
1182 */
1183 ap->hsm_task_state = HSM_ST_ERR;
1184 goto fsm_start;
1185 }
1186
1187 ata_pio_sectors(qc);
1188
1189 if (ap->hsm_task_state == HSM_ST_LAST &&
1190 (!(qc->tf.flags & ATA_TFLAG_WRITE))) {
1191 /* all data read */
1192 status = ata_wait_idle(ap);
1193 goto fsm_start;
1194 }
1195 }
1196
1197 poll_next = 1;
1198 break;
1199
1200 case HSM_ST_LAST:
1201 if (unlikely(!ata_ok(status))) {
1202 qc->err_mask |= __ac_err_mask(status);
1203 ap->hsm_task_state = HSM_ST_ERR;
1204 goto fsm_start;
1205 }
1206
1207 /* no more data to transfer */
1208 DPRINTK("ata%u: dev %u command complete, drv_stat 0x%x\n",
1209 ap->print_id, qc->dev->devno, status);
1210
1211 WARN_ON(qc->err_mask);
1212
1213 ap->hsm_task_state = HSM_ST_IDLE;
1214
1215 /* complete taskfile transaction */
1216 ata_hsm_qc_complete(qc, in_wq);
1217
1218 poll_next = 0;
1219 break;
1220
1221 case HSM_ST_ERR:
1222 /* make sure qc->err_mask is available to
1223 * know what's wrong and recover
1224 */
1225 WARN_ON(qc->err_mask == 0);
1226
1227 ap->hsm_task_state = HSM_ST_IDLE;
1228
1229 /* complete taskfile transaction */
1230 ata_hsm_qc_complete(qc, in_wq);
1231
1232 poll_next = 0;
1233 break;
1234 default:
1235 poll_next = 0;
1236 BUG();
1237 }
1238
1239 return poll_next;
1240}
1241
1242void ata_pio_task(struct work_struct *work)
1243{
1244 struct ata_port *ap =
1245 container_of(work, struct ata_port, port_task.work);
1246 struct ata_queued_cmd *qc = ap->port_task_data;
1247 u8 status;
1248 int poll_next;
1249
1250fsm_start:
1251 WARN_ON(ap->hsm_task_state == HSM_ST_IDLE);
1252
1253 /*
1254 * This is purely heuristic. This is a fast path.
1255 * Sometimes when we enter, BSY will be cleared in
1256 * a chk-status or two. If not, the drive is probably seeking
1257 * or something. Snooze for a couple msecs, then
1258 * chk-status again. If still busy, queue delayed work.
1259 */
1260 status = ata_sff_busy_wait(ap, ATA_BUSY, 5);
1261 if (status & ATA_BUSY) {
1262 msleep(2);
1263 status = ata_sff_busy_wait(ap, ATA_BUSY, 10);
1264 if (status & ATA_BUSY) {
1265 ata_pio_queue_task(ap, qc, ATA_SHORT_PAUSE);
1266 return;
1267 }
1268 }
1269
1270 /* move the HSM */
1271 poll_next = ata_sff_hsm_move(ap, qc, status, 1);
1272
1273 /* another command or interrupt handler
1274 * may be running at this point.
1275 */
1276 if (poll_next)
1277 goto fsm_start;
303} 1278}
304 1279
305/** 1280/**
306 * ata_bmdma_status - Read PCI IDE BMDMA status 1281 * ata_sff_qc_issue - issue taskfile to device in proto-dependent manner
307 * @ap: Port associated with this ATA transaction. 1282 * @qc: command to issue to device
308 * 1283 *
309 * Read and return BMDMA status register. 1284 * Using various libata functions and hooks, this function
1285 * starts an ATA command. ATA commands are grouped into
1286 * classes called "protocols", and issuing each type of protocol
1287 * is slightly different.
310 * 1288 *
311 * May be used as the bmdma_status() entry in ata_port_operations. 1289 * May be used as the qc_issue() entry in ata_port_operations.
312 * 1290 *
313 * LOCKING: 1291 * LOCKING:
314 * spin_lock_irqsave(host lock) 1292 * spin_lock_irqsave(host lock)
1293 *
1294 * RETURNS:
1295 * Zero on success, AC_ERR_* mask on failure
315 */ 1296 */
316u8 ata_bmdma_status(struct ata_port *ap) 1297unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc)
317{ 1298{
318 return ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); 1299 struct ata_port *ap = qc->ap;
1300
1301 /* Use polling pio if the LLD doesn't handle
1302 * interrupt driven pio and atapi CDB interrupt.
1303 */
1304 if (ap->flags & ATA_FLAG_PIO_POLLING) {
1305 switch (qc->tf.protocol) {
1306 case ATA_PROT_PIO:
1307 case ATA_PROT_NODATA:
1308 case ATAPI_PROT_PIO:
1309 case ATAPI_PROT_NODATA:
1310 qc->tf.flags |= ATA_TFLAG_POLLING;
1311 break;
1312 case ATAPI_PROT_DMA:
1313 if (qc->dev->flags & ATA_DFLAG_CDB_INTR)
1314 /* see ata_dma_blacklisted() */
1315 BUG();
1316 break;
1317 default:
1318 break;
1319 }
1320 }
1321
1322 /* select the device */
1323 ata_dev_select(ap, qc->dev->devno, 1, 0);
1324
1325 /* start the command */
1326 switch (qc->tf.protocol) {
1327 case ATA_PROT_NODATA:
1328 if (qc->tf.flags & ATA_TFLAG_POLLING)
1329 ata_qc_set_polling(qc);
1330
1331 ata_tf_to_host(ap, &qc->tf);
1332 ap->hsm_task_state = HSM_ST_LAST;
1333
1334 if (qc->tf.flags & ATA_TFLAG_POLLING)
1335 ata_pio_queue_task(ap, qc, 0);
1336
1337 break;
1338
1339 case ATA_PROT_DMA:
1340 WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
1341
1342 ap->ops->sff_tf_load(ap, &qc->tf); /* load tf registers */
1343 ap->ops->bmdma_setup(qc); /* set up bmdma */
1344 ap->ops->bmdma_start(qc); /* initiate bmdma */
1345 ap->hsm_task_state = HSM_ST_LAST;
1346 break;
1347
1348 case ATA_PROT_PIO:
1349 if (qc->tf.flags & ATA_TFLAG_POLLING)
1350 ata_qc_set_polling(qc);
1351
1352 ata_tf_to_host(ap, &qc->tf);
1353
1354 if (qc->tf.flags & ATA_TFLAG_WRITE) {
1355 /* PIO data out protocol */
1356 ap->hsm_task_state = HSM_ST_FIRST;
1357 ata_pio_queue_task(ap, qc, 0);
1358
1359 /* always send first data block using
1360 * the ata_pio_task() codepath.
1361 */
1362 } else {
1363 /* PIO data in protocol */
1364 ap->hsm_task_state = HSM_ST;
1365
1366 if (qc->tf.flags & ATA_TFLAG_POLLING)
1367 ata_pio_queue_task(ap, qc, 0);
1368
1369 /* if polling, ata_pio_task() handles the rest.
1370 * otherwise, interrupt handler takes over from here.
1371 */
1372 }
1373
1374 break;
1375
1376 case ATAPI_PROT_PIO:
1377 case ATAPI_PROT_NODATA:
1378 if (qc->tf.flags & ATA_TFLAG_POLLING)
1379 ata_qc_set_polling(qc);
1380
1381 ata_tf_to_host(ap, &qc->tf);
1382
1383 ap->hsm_task_state = HSM_ST_FIRST;
1384
1385 /* send cdb by polling if no cdb interrupt */
1386 if ((!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) ||
1387 (qc->tf.flags & ATA_TFLAG_POLLING))
1388 ata_pio_queue_task(ap, qc, 0);
1389 break;
1390
1391 case ATAPI_PROT_DMA:
1392 WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
1393
1394 ap->ops->sff_tf_load(ap, &qc->tf); /* load tf registers */
1395 ap->ops->bmdma_setup(qc); /* set up bmdma */
1396 ap->hsm_task_state = HSM_ST_FIRST;
1397
1398 /* send cdb by polling if no cdb interrupt */
1399 if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
1400 ata_pio_queue_task(ap, qc, 0);
1401 break;
1402
1403 default:
1404 WARN_ON(1);
1405 return AC_ERR_SYSTEM;
1406 }
1407
1408 return 0;
319} 1409}
320 1410
321/** 1411/**
322 * ata_bmdma_stop - Stop PCI IDE BMDMA transfer 1412 * ata_sff_qc_fill_rtf - fill result TF using ->sff_tf_read
323 * @qc: Command we are ending DMA for 1413 * @qc: qc to fill result TF for
324 * 1414 *
325 * Clears the ATA_DMA_START flag in the dma control register 1415 * @qc is finished and result TF needs to be filled. Fill it
1416 * using ->sff_tf_read.
326 * 1417 *
327 * May be used as the bmdma_stop() entry in ata_port_operations. 1418 * LOCKING:
1419 * spin_lock_irqsave(host lock)
1420 *
1421 * RETURNS:
1422 * true indicating that result TF is successfully filled.
1423 */
1424bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc)
1425{
1426 qc->ap->ops->sff_tf_read(qc->ap, &qc->result_tf);
1427 return true;
1428}
1429
1430/**
1431 * ata_sff_host_intr - Handle host interrupt for given (port, task)
1432 * @ap: Port on which interrupt arrived (possibly...)
1433 * @qc: Taskfile currently active in engine
1434 *
1435 * Handle host interrupt for given queued command. Currently,
1436 * only DMA interrupts are handled. All other commands are
1437 * handled via polling with interrupts disabled (nIEN bit).
328 * 1438 *
329 * LOCKING: 1439 * LOCKING:
330 * spin_lock_irqsave(host lock) 1440 * spin_lock_irqsave(host lock)
1441 *
1442 * RETURNS:
1443 * One if interrupt was handled, zero if not (shared irq).
331 */ 1444 */
332void ata_bmdma_stop(struct ata_queued_cmd *qc) 1445inline unsigned int ata_sff_host_intr(struct ata_port *ap,
1446 struct ata_queued_cmd *qc)
333{ 1447{
334 struct ata_port *ap = qc->ap; 1448 struct ata_eh_info *ehi = &ap->link.eh_info;
335 void __iomem *mmio = ap->ioaddr.bmdma_addr; 1449 u8 status, host_stat = 0;
336 1450
337 /* clear start/stop bit */ 1451 VPRINTK("ata%u: protocol %d task_state %d\n",
338 iowrite8(ioread8(mmio + ATA_DMA_CMD) & ~ATA_DMA_START, 1452 ap->print_id, qc->tf.protocol, ap->hsm_task_state);
339 mmio + ATA_DMA_CMD);
340 1453
341 /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ 1454 /* Check whether we are expecting interrupt in this state */
342 ata_altstatus(ap); /* dummy read */ 1455 switch (ap->hsm_task_state) {
1456 case HSM_ST_FIRST:
1457 /* Some pre-ATAPI-4 devices assert INTRQ
1458 * at this state when ready to receive CDB.
1459 */
1460
1461 /* Check the ATA_DFLAG_CDB_INTR flag is enough here.
1462 * The flag was turned on only for atapi devices. No
1463 * need to check ata_is_atapi(qc->tf.protocol) again.
1464 */
1465 if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
1466 goto idle_irq;
1467 break;
1468 case HSM_ST_LAST:
1469 if (qc->tf.protocol == ATA_PROT_DMA ||
1470 qc->tf.protocol == ATAPI_PROT_DMA) {
1471 /* check status of DMA engine */
1472 host_stat = ap->ops->bmdma_status(ap);
1473 VPRINTK("ata%u: host_stat 0x%X\n",
1474 ap->print_id, host_stat);
1475
1476 /* if it's not our irq... */
1477 if (!(host_stat & ATA_DMA_INTR))
1478 goto idle_irq;
1479
1480 /* before we do anything else, clear DMA-Start bit */
1481 ap->ops->bmdma_stop(qc);
1482
1483 if (unlikely(host_stat & ATA_DMA_ERR)) {
1484 /* error when transfering data to/from memory */
1485 qc->err_mask |= AC_ERR_HOST_BUS;
1486 ap->hsm_task_state = HSM_ST_ERR;
1487 }
1488 }
1489 break;
1490 case HSM_ST:
1491 break;
1492 default:
1493 goto idle_irq;
1494 }
1495
1496 /* check altstatus */
1497 status = ata_sff_altstatus(ap);
1498 if (status & ATA_BUSY)
1499 goto idle_irq;
1500
1501 /* check main status, clearing INTRQ */
1502 status = ap->ops->sff_check_status(ap);
1503 if (unlikely(status & ATA_BUSY))
1504 goto idle_irq;
1505
1506 /* ack bmdma irq events */
1507 ap->ops->sff_irq_clear(ap);
1508
1509 ata_sff_hsm_move(ap, qc, status, 0);
1510
1511 if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA ||
1512 qc->tf.protocol == ATAPI_PROT_DMA))
1513 ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat);
1514
1515 return 1; /* irq handled */
1516
1517idle_irq:
1518 ap->stats.idle_irq++;
1519
1520#ifdef ATA_IRQ_TRAP
1521 if ((ap->stats.idle_irq % 1000) == 0) {
1522 ap->ops->sff_check_status(ap);
1523 ap->ops->sff_irq_clear(ap);
1524 ata_port_printk(ap, KERN_WARNING, "irq trap\n");
1525 return 1;
1526 }
1527#endif
1528 return 0; /* irq not handled */
1529}
1530
1531/**
1532 * ata_sff_interrupt - Default ATA host interrupt handler
1533 * @irq: irq line (unused)
1534 * @dev_instance: pointer to our ata_host information structure
1535 *
1536 * Default interrupt handler for PCI IDE devices. Calls
1537 * ata_sff_host_intr() for each port that is not disabled.
1538 *
1539 * LOCKING:
1540 * Obtains host lock during operation.
1541 *
1542 * RETURNS:
1543 * IRQ_NONE or IRQ_HANDLED.
1544 */
1545irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
1546{
1547 struct ata_host *host = dev_instance;
1548 unsigned int i;
1549 unsigned int handled = 0;
1550 unsigned long flags;
1551
1552 /* TODO: make _irqsave conditional on x86 PCI IDE legacy mode */
1553 spin_lock_irqsave(&host->lock, flags);
1554
1555 for (i = 0; i < host->n_ports; i++) {
1556 struct ata_port *ap;
1557
1558 ap = host->ports[i];
1559 if (ap &&
1560 !(ap->flags & ATA_FLAG_DISABLED)) {
1561 struct ata_queued_cmd *qc;
1562
1563 qc = ata_qc_from_tag(ap, ap->link.active_tag);
1564 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)) &&
1565 (qc->flags & ATA_QCFLAG_ACTIVE))
1566 handled |= ata_sff_host_intr(ap, qc);
1567 }
1568 }
1569
1570 spin_unlock_irqrestore(&host->lock, flags);
1571
1572 return IRQ_RETVAL(handled);
343} 1573}
344 1574
345/** 1575/**
346 * ata_bmdma_freeze - Freeze BMDMA controller port 1576 * ata_sff_freeze - Freeze SFF controller port
347 * @ap: port to freeze 1577 * @ap: port to freeze
348 * 1578 *
349 * Freeze BMDMA controller port. 1579 * Freeze BMDMA controller port.
@@ -351,7 +1581,7 @@ void ata_bmdma_stop(struct ata_queued_cmd *qc)
351 * LOCKING: 1581 * LOCKING:
352 * Inherited from caller. 1582 * Inherited from caller.
353 */ 1583 */
354void ata_bmdma_freeze(struct ata_port *ap) 1584void ata_sff_freeze(struct ata_port *ap)
355{ 1585{
356 struct ata_ioports *ioaddr = &ap->ioaddr; 1586 struct ata_ioports *ioaddr = &ap->ioaddr;
357 1587
@@ -365,51 +1595,412 @@ void ata_bmdma_freeze(struct ata_port *ap)
365 * ATA_NIEN manipulation. Also, many controllers fail to mask 1595 * ATA_NIEN manipulation. Also, many controllers fail to mask
366 * previously pending IRQ on ATA_NIEN assertion. Clear it. 1596 * previously pending IRQ on ATA_NIEN assertion. Clear it.
367 */ 1597 */
368 ata_chk_status(ap); 1598 ap->ops->sff_check_status(ap);
369 1599
370 ap->ops->irq_clear(ap); 1600 ap->ops->sff_irq_clear(ap);
371} 1601}
372 1602
373/** 1603/**
374 * ata_bmdma_thaw - Thaw BMDMA controller port 1604 * ata_sff_thaw - Thaw SFF controller port
375 * @ap: port to thaw 1605 * @ap: port to thaw
376 * 1606 *
377 * Thaw BMDMA controller port. 1607 * Thaw SFF controller port.
378 * 1608 *
379 * LOCKING: 1609 * LOCKING:
380 * Inherited from caller. 1610 * Inherited from caller.
381 */ 1611 */
382void ata_bmdma_thaw(struct ata_port *ap) 1612void ata_sff_thaw(struct ata_port *ap)
383{ 1613{
384 /* clear & re-enable interrupts */ 1614 /* clear & re-enable interrupts */
385 ata_chk_status(ap); 1615 ap->ops->sff_check_status(ap);
386 ap->ops->irq_clear(ap); 1616 ap->ops->sff_irq_clear(ap);
387 ap->ops->irq_on(ap); 1617 ap->ops->sff_irq_on(ap);
1618}
1619
1620/**
1621 * ata_sff_prereset - prepare SFF link for reset
1622 * @link: SFF link to be reset
1623 * @deadline: deadline jiffies for the operation
1624 *
1625 * SFF link @link is about to be reset. Initialize it. It first
1626 * calls ata_std_prereset() and wait for !BSY if the port is
1627 * being softreset.
1628 *
1629 * LOCKING:
1630 * Kernel thread context (may sleep)
1631 *
1632 * RETURNS:
1633 * 0 on success, -errno otherwise.
1634 */
1635int ata_sff_prereset(struct ata_link *link, unsigned long deadline)
1636{
1637 struct ata_eh_context *ehc = &link->eh_context;
1638 int rc;
1639
1640 rc = ata_std_prereset(link, deadline);
1641 if (rc)
1642 return rc;
1643
1644 /* if we're about to do hardreset, nothing more to do */
1645 if (ehc->i.action & ATA_EH_HARDRESET)
1646 return 0;
1647
1648 /* wait for !BSY if we don't know that no device is attached */
1649 if (!ata_link_offline(link)) {
1650 rc = ata_sff_wait_ready(link, deadline);
1651 if (rc && rc != -ENODEV) {
1652 ata_link_printk(link, KERN_WARNING, "device not ready "
1653 "(errno=%d), forcing hardreset\n", rc);
1654 ehc->i.action |= ATA_EH_HARDRESET;
1655 }
1656 }
1657
1658 return 0;
1659}
1660
1661/**
1662 * ata_devchk - PATA device presence detection
1663 * @ap: ATA channel to examine
1664 * @device: Device to examine (starting at zero)
1665 *
1666 * This technique was originally described in
1667 * Hale Landis's ATADRVR (www.ata-atapi.com), and
1668 * later found its way into the ATA/ATAPI spec.
1669 *
1670 * Write a pattern to the ATA shadow registers,
1671 * and if a device is present, it will respond by
1672 * correctly storing and echoing back the
1673 * ATA shadow register contents.
1674 *
1675 * LOCKING:
1676 * caller.
1677 */
1678static unsigned int ata_devchk(struct ata_port *ap, unsigned int device)
1679{
1680 struct ata_ioports *ioaddr = &ap->ioaddr;
1681 u8 nsect, lbal;
1682
1683 ap->ops->sff_dev_select(ap, device);
1684
1685 iowrite8(0x55, ioaddr->nsect_addr);
1686 iowrite8(0xaa, ioaddr->lbal_addr);
1687
1688 iowrite8(0xaa, ioaddr->nsect_addr);
1689 iowrite8(0x55, ioaddr->lbal_addr);
1690
1691 iowrite8(0x55, ioaddr->nsect_addr);
1692 iowrite8(0xaa, ioaddr->lbal_addr);
1693
1694 nsect = ioread8(ioaddr->nsect_addr);
1695 lbal = ioread8(ioaddr->lbal_addr);
1696
1697 if ((nsect == 0x55) && (lbal == 0xaa))
1698 return 1; /* we found a device */
1699
1700 return 0; /* nothing found */
1701}
1702
1703/**
1704 * ata_sff_dev_classify - Parse returned ATA device signature
1705 * @dev: ATA device to classify (starting at zero)
1706 * @present: device seems present
1707 * @r_err: Value of error register on completion
1708 *
1709 * After an event -- SRST, E.D.D., or SATA COMRESET -- occurs,
1710 * an ATA/ATAPI-defined set of values is placed in the ATA
1711 * shadow registers, indicating the results of device detection
1712 * and diagnostics.
1713 *
1714 * Select the ATA device, and read the values from the ATA shadow
1715 * registers. Then parse according to the Error register value,
1716 * and the spec-defined values examined by ata_dev_classify().
1717 *
1718 * LOCKING:
1719 * caller.
1720 *
1721 * RETURNS:
1722 * Device type - %ATA_DEV_ATA, %ATA_DEV_ATAPI or %ATA_DEV_NONE.
1723 */
1724unsigned int ata_sff_dev_classify(struct ata_device *dev, int present,
1725 u8 *r_err)
1726{
1727 struct ata_port *ap = dev->link->ap;
1728 struct ata_taskfile tf;
1729 unsigned int class;
1730 u8 err;
1731
1732 ap->ops->sff_dev_select(ap, dev->devno);
1733
1734 memset(&tf, 0, sizeof(tf));
1735
1736 ap->ops->sff_tf_read(ap, &tf);
1737 err = tf.feature;
1738 if (r_err)
1739 *r_err = err;
1740
1741 /* see if device passed diags: continue and warn later */
1742 if (err == 0)
1743 /* diagnostic fail : do nothing _YET_ */
1744 dev->horkage |= ATA_HORKAGE_DIAGNOSTIC;
1745 else if (err == 1)
1746 /* do nothing */ ;
1747 else if ((dev->devno == 0) && (err == 0x81))
1748 /* do nothing */ ;
1749 else
1750 return ATA_DEV_NONE;
1751
1752 /* determine if device is ATA or ATAPI */
1753 class = ata_dev_classify(&tf);
1754
1755 if (class == ATA_DEV_UNKNOWN) {
1756 /* If the device failed diagnostic, it's likely to
1757 * have reported incorrect device signature too.
1758 * Assume ATA device if the device seems present but
1759 * device signature is invalid with diagnostic
1760 * failure.
1761 */
1762 if (present && (dev->horkage & ATA_HORKAGE_DIAGNOSTIC))
1763 class = ATA_DEV_ATA;
1764 else
1765 class = ATA_DEV_NONE;
1766 } else if ((class == ATA_DEV_ATA) &&
1767 (ap->ops->sff_check_status(ap) == 0))
1768 class = ATA_DEV_NONE;
1769
1770 return class;
1771}
1772
1773/**
1774 * ata_sff_wait_after_reset - wait for devices to become ready after reset
1775 * @link: SFF link which is just reset
1776 * @devmask: mask of present devices
1777 * @deadline: deadline jiffies for the operation
1778 *
1779 * Wait devices attached to SFF @link to become ready after
1780 * reset. It contains preceding 150ms wait to avoid accessing TF
1781 * status register too early.
1782 *
1783 * LOCKING:
1784 * Kernel thread context (may sleep).
1785 *
1786 * RETURNS:
1787 * 0 on success, -ENODEV if some or all of devices in @devmask
1788 * don't seem to exist. -errno on other errors.
1789 */
1790int ata_sff_wait_after_reset(struct ata_link *link, unsigned int devmask,
1791 unsigned long deadline)
1792{
1793 struct ata_port *ap = link->ap;
1794 struct ata_ioports *ioaddr = &ap->ioaddr;
1795 unsigned int dev0 = devmask & (1 << 0);
1796 unsigned int dev1 = devmask & (1 << 1);
1797 int rc, ret = 0;
1798
1799 msleep(ATA_WAIT_AFTER_RESET_MSECS);
1800
1801 /* always check readiness of the master device */
1802 rc = ata_sff_wait_ready(link, deadline);
1803 /* -ENODEV means the odd clown forgot the D7 pulldown resistor
1804 * and TF status is 0xff, bail out on it too.
1805 */
1806 if (rc)
1807 return rc;
1808
1809 /* if device 1 was found in ata_devchk, wait for register
1810 * access briefly, then wait for BSY to clear.
1811 */
1812 if (dev1) {
1813 int i;
1814
1815 ap->ops->sff_dev_select(ap, 1);
1816
1817 /* Wait for register access. Some ATAPI devices fail
1818 * to set nsect/lbal after reset, so don't waste too
1819 * much time on it. We're gonna wait for !BSY anyway.
1820 */
1821 for (i = 0; i < 2; i++) {
1822 u8 nsect, lbal;
1823
1824 nsect = ioread8(ioaddr->nsect_addr);
1825 lbal = ioread8(ioaddr->lbal_addr);
1826 if ((nsect == 1) && (lbal == 1))
1827 break;
1828 msleep(50); /* give drive a breather */
1829 }
1830
1831 rc = ata_sff_wait_ready(link, deadline);
1832 if (rc) {
1833 if (rc != -ENODEV)
1834 return rc;
1835 ret = rc;
1836 }
1837 }
1838
1839 /* is all this really necessary? */
1840 ap->ops->sff_dev_select(ap, 0);
1841 if (dev1)
1842 ap->ops->sff_dev_select(ap, 1);
1843 if (dev0)
1844 ap->ops->sff_dev_select(ap, 0);
1845
1846 return ret;
1847}
1848
1849static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
1850 unsigned long deadline)
1851{
1852 struct ata_ioports *ioaddr = &ap->ioaddr;
1853
1854 DPRINTK("ata%u: bus reset via SRST\n", ap->print_id);
1855
1856 /* software reset. causes dev0 to be selected */
1857 iowrite8(ap->ctl, ioaddr->ctl_addr);
1858 udelay(20); /* FIXME: flush */
1859 iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
1860 udelay(20); /* FIXME: flush */
1861 iowrite8(ap->ctl, ioaddr->ctl_addr);
1862
1863 /* wait the port to become ready */
1864 return ata_sff_wait_after_reset(&ap->link, devmask, deadline);
1865}
1866
1867/**
1868 * ata_sff_softreset - reset host port via ATA SRST
1869 * @link: ATA link to reset
1870 * @classes: resulting classes of attached devices
1871 * @deadline: deadline jiffies for the operation
1872 *
1873 * Reset host port using ATA SRST.
1874 *
1875 * LOCKING:
1876 * Kernel thread context (may sleep)
1877 *
1878 * RETURNS:
1879 * 0 on success, -errno otherwise.
1880 */
1881int ata_sff_softreset(struct ata_link *link, unsigned int *classes,
1882 unsigned long deadline)
1883{
1884 struct ata_port *ap = link->ap;
1885 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
1886 unsigned int devmask = 0;
1887 int rc;
1888 u8 err;
1889
1890 DPRINTK("ENTER\n");
1891
1892 /* determine if device 0/1 are present */
1893 if (ata_devchk(ap, 0))
1894 devmask |= (1 << 0);
1895 if (slave_possible && ata_devchk(ap, 1))
1896 devmask |= (1 << 1);
1897
1898 /* select device 0 again */
1899 ap->ops->sff_dev_select(ap, 0);
1900
1901 /* issue bus reset */
1902 DPRINTK("about to softreset, devmask=%x\n", devmask);
1903 rc = ata_bus_softreset(ap, devmask, deadline);
1904 /* if link is occupied, -ENODEV too is an error */
1905 if (rc && (rc != -ENODEV || sata_scr_valid(link))) {
1906 ata_link_printk(link, KERN_ERR, "SRST failed (errno=%d)\n", rc);
1907 return rc;
1908 }
1909
1910 /* determine by signature whether we have ATA or ATAPI devices */
1911 classes[0] = ata_sff_dev_classify(&link->device[0],
1912 devmask & (1 << 0), &err);
1913 if (slave_possible && err != 0x81)
1914 classes[1] = ata_sff_dev_classify(&link->device[1],
1915 devmask & (1 << 1), &err);
1916
1917 DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]);
1918 return 0;
1919}
1920
1921/**
1922 * sata_sff_hardreset - reset host port via SATA phy reset
1923 * @link: link to reset
1924 * @class: resulting class of attached device
1925 * @deadline: deadline jiffies for the operation
1926 *
1927 * SATA phy-reset host port using DET bits of SControl register,
1928 * wait for !BSY and classify the attached device.
1929 *
1930 * LOCKING:
1931 * Kernel thread context (may sleep)
1932 *
1933 * RETURNS:
1934 * 0 on success, -errno otherwise.
1935 */
1936int sata_sff_hardreset(struct ata_link *link, unsigned int *class,
1937 unsigned long deadline)
1938{
1939 struct ata_eh_context *ehc = &link->eh_context;
1940 const unsigned long *timing = sata_ehc_deb_timing(ehc);
1941 bool online;
1942 int rc;
1943
1944 rc = sata_link_hardreset(link, timing, deadline, &online,
1945 ata_sff_check_ready);
1946 if (online)
1947 *class = ata_sff_dev_classify(link->device, 1, NULL);
1948
1949 DPRINTK("EXIT, class=%u\n", *class);
1950 return rc;
388} 1951}
389 1952
390/** 1953/**
391 * ata_bmdma_drive_eh - Perform EH with given methods for BMDMA controller 1954 * ata_sff_postreset - SFF postreset callback
1955 * @link: the target SFF ata_link
1956 * @classes: classes of attached devices
1957 *
1958 * This function is invoked after a successful reset. It first
1959 * calls ata_std_postreset() and performs SFF specific postreset
1960 * processing.
1961 *
1962 * LOCKING:
1963 * Kernel thread context (may sleep)
1964 */
1965void ata_sff_postreset(struct ata_link *link, unsigned int *classes)
1966{
1967 struct ata_port *ap = link->ap;
1968
1969 ata_std_postreset(link, classes);
1970
1971 /* is double-select really necessary? */
1972 if (classes[0] != ATA_DEV_NONE)
1973 ap->ops->sff_dev_select(ap, 1);
1974 if (classes[1] != ATA_DEV_NONE)
1975 ap->ops->sff_dev_select(ap, 0);
1976
1977 /* bail out if no device is present */
1978 if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) {
1979 DPRINTK("EXIT, no device\n");
1980 return;
1981 }
1982
1983 /* set up device control */
1984 if (ap->ioaddr.ctl_addr)
1985 iowrite8(ap->ctl, ap->ioaddr.ctl_addr);
1986}
1987
1988/**
1989 * ata_sff_error_handler - Stock error handler for BMDMA controller
392 * @ap: port to handle error for 1990 * @ap: port to handle error for
393 * @prereset: prereset method (can be NULL)
394 * @softreset: softreset method (can be NULL)
395 * @hardreset: hardreset method (can be NULL)
396 * @postreset: postreset method (can be NULL)
397 * 1991 *
398 * Handle error for ATA BMDMA controller. It can handle both 1992 * Stock error handler for SFF controller. It can handle both
399 * PATA and SATA controllers. Many controllers should be able to 1993 * PATA and SATA controllers. Many controllers should be able to
400 * use this EH as-is or with some added handling before and 1994 * use this EH as-is or with some added handling before and
401 * after. 1995 * after.
402 * 1996 *
403 * This function is intended to be used for constructing
404 * ->error_handler callback by low level drivers.
405 *
406 * LOCKING: 1997 * LOCKING:
407 * Kernel thread context (may sleep) 1998 * Kernel thread context (may sleep)
408 */ 1999 */
409void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, 2000void ata_sff_error_handler(struct ata_port *ap)
410 ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
411 ata_postreset_fn_t postreset)
412{ 2001{
2002 ata_reset_fn_t softreset = ap->ops->softreset;
2003 ata_reset_fn_t hardreset = ap->ops->hardreset;
413 struct ata_queued_cmd *qc; 2004 struct ata_queued_cmd *qc;
414 unsigned long flags; 2005 unsigned long flags;
415 int thaw = 0; 2006 int thaw = 0;
@@ -423,7 +2014,8 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
423 2014
424 ap->hsm_task_state = HSM_ST_IDLE; 2015 ap->hsm_task_state = HSM_ST_IDLE;
425 2016
426 if (qc && (qc->tf.protocol == ATA_PROT_DMA || 2017 if (ap->ioaddr.bmdma_addr &&
2018 qc && (qc->tf.protocol == ATA_PROT_DMA ||
427 qc->tf.protocol == ATAPI_PROT_DMA)) { 2019 qc->tf.protocol == ATAPI_PROT_DMA)) {
428 u8 host_stat; 2020 u8 host_stat;
429 2021
@@ -442,9 +2034,9 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
442 ap->ops->bmdma_stop(qc); 2034 ap->ops->bmdma_stop(qc);
443 } 2035 }
444 2036
445 ata_altstatus(ap); 2037 ata_sff_altstatus(ap);
446 ata_chk_status(ap); 2038 ap->ops->sff_check_status(ap);
447 ap->ops->irq_clear(ap); 2039 ap->ops->sff_irq_clear(ap);
448 2040
449 spin_unlock_irqrestore(ap->lock, flags); 2041 spin_unlock_irqrestore(ap->lock, flags);
450 2042
@@ -452,40 +2044,27 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
452 ata_eh_thaw_port(ap); 2044 ata_eh_thaw_port(ap);
453 2045
454 /* PIO and DMA engines have been stopped, perform recovery */ 2046 /* PIO and DMA engines have been stopped, perform recovery */
455 ata_do_eh(ap, prereset, softreset, hardreset, postreset);
456}
457
458/**
459 * ata_bmdma_error_handler - Stock error handler for BMDMA controller
460 * @ap: port to handle error for
461 *
462 * Stock error handler for BMDMA controller.
463 *
464 * LOCKING:
465 * Kernel thread context (may sleep)
466 */
467void ata_bmdma_error_handler(struct ata_port *ap)
468{
469 ata_reset_fn_t softreset = NULL, hardreset = NULL;
470 2047
471 if (ap->ioaddr.ctl_addr) 2048 /* Ignore ata_sff_softreset if ctl isn't accessible and
472 softreset = ata_std_softreset; 2049 * built-in hardresets if SCR access isn't available.
473 if (sata_scr_valid(&ap->link)) 2050 */
474 hardreset = sata_std_hardreset; 2051 if (softreset == ata_sff_softreset && !ap->ioaddr.ctl_addr)
2052 softreset = NULL;
2053 if (ata_is_builtin_hardreset(hardreset) && !sata_scr_valid(&ap->link))
2054 hardreset = NULL;
475 2055
476 ata_bmdma_drive_eh(ap, ata_std_prereset, softreset, hardreset, 2056 ata_do_eh(ap, ap->ops->prereset, softreset, hardreset,
477 ata_std_postreset); 2057 ap->ops->postreset);
478} 2058}
479 2059
480/** 2060/**
481 * ata_bmdma_post_internal_cmd - Stock post_internal_cmd for 2061 * ata_sff_post_internal_cmd - Stock post_internal_cmd for SFF controller
482 * BMDMA controller
483 * @qc: internal command to clean up 2062 * @qc: internal command to clean up
484 * 2063 *
485 * LOCKING: 2064 * LOCKING:
486 * Kernel thread context (may sleep) 2065 * Kernel thread context (may sleep)
487 */ 2066 */
488void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc) 2067void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc)
489{ 2068{
490 if (qc->ap->ioaddr.bmdma_addr) 2069 if (qc->ap->ioaddr.bmdma_addr)
491 ata_bmdma_stop(qc); 2070 ata_bmdma_stop(qc);
@@ -504,7 +2083,6 @@ void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc)
504 * LOCKING: 2083 * LOCKING:
505 * Inherited from caller. 2084 * Inherited from caller.
506 */ 2085 */
507
508int ata_sff_port_start(struct ata_port *ap) 2086int ata_sff_port_start(struct ata_port *ap)
509{ 2087{
510 if (ap->ioaddr.bmdma_addr) 2088 if (ap->ioaddr.bmdma_addr)
@@ -512,24 +2090,262 @@ int ata_sff_port_start(struct ata_port *ap)
512 return 0; 2090 return 0;
513} 2091}
514 2092
515#ifdef CONFIG_PCI 2093/**
2094 * ata_sff_std_ports - initialize ioaddr with standard port offsets.
2095 * @ioaddr: IO address structure to be initialized
2096 *
2097 * Utility function which initializes data_addr, error_addr,
2098 * feature_addr, nsect_addr, lbal_addr, lbam_addr, lbah_addr,
2099 * device_addr, status_addr, and command_addr to standard offsets
2100 * relative to cmd_addr.
2101 *
2102 * Does not set ctl_addr, altstatus_addr, bmdma_addr, or scr_addr.
2103 */
2104void ata_sff_std_ports(struct ata_ioports *ioaddr)
2105{
2106 ioaddr->data_addr = ioaddr->cmd_addr + ATA_REG_DATA;
2107 ioaddr->error_addr = ioaddr->cmd_addr + ATA_REG_ERR;
2108 ioaddr->feature_addr = ioaddr->cmd_addr + ATA_REG_FEATURE;
2109 ioaddr->nsect_addr = ioaddr->cmd_addr + ATA_REG_NSECT;
2110 ioaddr->lbal_addr = ioaddr->cmd_addr + ATA_REG_LBAL;
2111 ioaddr->lbam_addr = ioaddr->cmd_addr + ATA_REG_LBAM;
2112 ioaddr->lbah_addr = ioaddr->cmd_addr + ATA_REG_LBAH;
2113 ioaddr->device_addr = ioaddr->cmd_addr + ATA_REG_DEVICE;
2114 ioaddr->status_addr = ioaddr->cmd_addr + ATA_REG_STATUS;
2115 ioaddr->command_addr = ioaddr->cmd_addr + ATA_REG_CMD;
2116}
516 2117
517static int ata_resources_present(struct pci_dev *pdev, int port) 2118unsigned long ata_bmdma_mode_filter(struct ata_device *adev,
2119 unsigned long xfer_mask)
518{ 2120{
519 int i; 2121 /* Filter out DMA modes if the device has been configured by
2122 the BIOS as PIO only */
520 2123
521 /* Check the PCI resources for this channel are enabled */ 2124 if (adev->link->ap->ioaddr.bmdma_addr == NULL)
522 port = port * 2; 2125 xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
523 for (i = 0; i < 2; i ++) { 2126 return xfer_mask;
524 if (pci_resource_start(pdev, port + i) == 0 || 2127}
525 pci_resource_len(pdev, port + i) == 0) 2128
526 return 0; 2129/**
2130 * ata_bmdma_setup - Set up PCI IDE BMDMA transaction
2131 * @qc: Info associated with this ATA transaction.
2132 *
2133 * LOCKING:
2134 * spin_lock_irqsave(host lock)
2135 */
2136void ata_bmdma_setup(struct ata_queued_cmd *qc)
2137{
2138 struct ata_port *ap = qc->ap;
2139 unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
2140 u8 dmactl;
2141
2142 /* load PRD table addr. */
2143 mb(); /* make sure PRD table writes are visible to controller */
2144 iowrite32(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS);
2145
2146 /* specify data direction, triple-check start bit is clear */
2147 dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
2148 dmactl &= ~(ATA_DMA_WR | ATA_DMA_START);
2149 if (!rw)
2150 dmactl |= ATA_DMA_WR;
2151 iowrite8(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
2152
2153 /* issue r/w command */
2154 ap->ops->sff_exec_command(ap, &qc->tf);
2155}
2156
2157/**
2158 * ata_bmdma_start - Start a PCI IDE BMDMA transaction
2159 * @qc: Info associated with this ATA transaction.
2160 *
2161 * LOCKING:
2162 * spin_lock_irqsave(host lock)
2163 */
2164void ata_bmdma_start(struct ata_queued_cmd *qc)
2165{
2166 struct ata_port *ap = qc->ap;
2167 u8 dmactl;
2168
2169 /* start host DMA transaction */
2170 dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
2171 iowrite8(dmactl | ATA_DMA_START, ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
2172
2173 /* Strictly, one may wish to issue an ioread8() here, to
2174 * flush the mmio write. However, control also passes
2175 * to the hardware at this point, and it will interrupt
2176 * us when we are to resume control. So, in effect,
2177 * we don't care when the mmio write flushes.
2178 * Further, a read of the DMA status register _immediately_
2179 * following the write may not be what certain flaky hardware
2180 * is expected, so I think it is best to not add a readb()
2181 * without first all the MMIO ATA cards/mobos.
2182 * Or maybe I'm just being paranoid.
2183 *
2184 * FIXME: The posting of this write means I/O starts are
2185 * unneccessarily delayed for MMIO
2186 */
2187}
2188
2189/**
2190 * ata_bmdma_stop - Stop PCI IDE BMDMA transfer
2191 * @qc: Command we are ending DMA for
2192 *
2193 * Clears the ATA_DMA_START flag in the dma control register
2194 *
2195 * May be used as the bmdma_stop() entry in ata_port_operations.
2196 *
2197 * LOCKING:
2198 * spin_lock_irqsave(host lock)
2199 */
2200void ata_bmdma_stop(struct ata_queued_cmd *qc)
2201{
2202 struct ata_port *ap = qc->ap;
2203 void __iomem *mmio = ap->ioaddr.bmdma_addr;
2204
2205 /* clear start/stop bit */
2206 iowrite8(ioread8(mmio + ATA_DMA_CMD) & ~ATA_DMA_START,
2207 mmio + ATA_DMA_CMD);
2208
2209 /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */
2210 ata_sff_altstatus(ap); /* dummy read */
2211}
2212
2213/**
2214 * ata_bmdma_status - Read PCI IDE BMDMA status
2215 * @ap: Port associated with this ATA transaction.
2216 *
2217 * Read and return BMDMA status register.
2218 *
2219 * May be used as the bmdma_status() entry in ata_port_operations.
2220 *
2221 * LOCKING:
2222 * spin_lock_irqsave(host lock)
2223 */
2224u8 ata_bmdma_status(struct ata_port *ap)
2225{
2226 return ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
2227}
2228
2229/**
2230 * ata_bus_reset - reset host port and associated ATA channel
2231 * @ap: port to reset
2232 *
2233 * This is typically the first time we actually start issuing
2234 * commands to the ATA channel. We wait for BSY to clear, then
2235 * issue EXECUTE DEVICE DIAGNOSTIC command, polling for its
2236 * result. Determine what devices, if any, are on the channel
2237 * by looking at the device 0/1 error register. Look at the signature
2238 * stored in each device's taskfile registers, to determine if
2239 * the device is ATA or ATAPI.
2240 *
2241 * LOCKING:
2242 * PCI/etc. bus probe sem.
2243 * Obtains host lock.
2244 *
2245 * SIDE EFFECTS:
2246 * Sets ATA_FLAG_DISABLED if bus reset fails.
2247 *
2248 * DEPRECATED:
2249 * This function is only for drivers which still use old EH and
2250 * will be removed soon.
2251 */
2252void ata_bus_reset(struct ata_port *ap)
2253{
2254 struct ata_device *device = ap->link.device;
2255 struct ata_ioports *ioaddr = &ap->ioaddr;
2256 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
2257 u8 err;
2258 unsigned int dev0, dev1 = 0, devmask = 0;
2259 int rc;
2260
2261 DPRINTK("ENTER, host %u, port %u\n", ap->print_id, ap->port_no);
2262
2263 /* determine if device 0/1 are present */
2264 if (ap->flags & ATA_FLAG_SATA_RESET)
2265 dev0 = 1;
2266 else {
2267 dev0 = ata_devchk(ap, 0);
2268 if (slave_possible)
2269 dev1 = ata_devchk(ap, 1);
527 } 2270 }
528 return 1; 2271
2272 if (dev0)
2273 devmask |= (1 << 0);
2274 if (dev1)
2275 devmask |= (1 << 1);
2276
2277 /* select device 0 again */
2278 ap->ops->sff_dev_select(ap, 0);
2279
2280 /* issue bus reset */
2281 if (ap->flags & ATA_FLAG_SRST) {
2282 rc = ata_bus_softreset(ap, devmask, jiffies + 40 * HZ);
2283 if (rc && rc != -ENODEV)
2284 goto err_out;
2285 }
2286
2287 /*
2288 * determine by signature whether we have ATA or ATAPI devices
2289 */
2290 device[0].class = ata_sff_dev_classify(&device[0], dev0, &err);
2291 if ((slave_possible) && (err != 0x81))
2292 device[1].class = ata_sff_dev_classify(&device[1], dev1, &err);
2293
2294 /* is double-select really necessary? */
2295 if (device[1].class != ATA_DEV_NONE)
2296 ap->ops->sff_dev_select(ap, 1);
2297 if (device[0].class != ATA_DEV_NONE)
2298 ap->ops->sff_dev_select(ap, 0);
2299
2300 /* if no devices were detected, disable this port */
2301 if ((device[0].class == ATA_DEV_NONE) &&
2302 (device[1].class == ATA_DEV_NONE))
2303 goto err_out;
2304
2305 if (ap->flags & (ATA_FLAG_SATA_RESET | ATA_FLAG_SRST)) {
2306 /* set up device control for ATA_FLAG_SATA_RESET */
2307 iowrite8(ap->ctl, ioaddr->ctl_addr);
2308 }
2309
2310 DPRINTK("EXIT\n");
2311 return;
2312
2313err_out:
2314 ata_port_printk(ap, KERN_ERR, "disabling port\n");
2315 ata_port_disable(ap);
2316
2317 DPRINTK("EXIT\n");
529} 2318}
530 2319
2320#ifdef CONFIG_PCI
2321
531/** 2322/**
532 * ata_pci_init_bmdma - acquire PCI BMDMA resources and init ATA host 2323 * ata_pci_bmdma_clear_simplex - attempt to kick device out of simplex
2324 * @pdev: PCI device
2325 *
2326 * Some PCI ATA devices report simplex mode but in fact can be told to
2327 * enter non simplex mode. This implements the necessary logic to
2328 * perform the task on such devices. Calling it on other devices will
2329 * have -undefined- behaviour.
2330 */
2331int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev)
2332{
2333 unsigned long bmdma = pci_resource_start(pdev, 4);
2334 u8 simplex;
2335
2336 if (bmdma == 0)
2337 return -ENOENT;
2338
2339 simplex = inb(bmdma + 0x02);
2340 outb(simplex & 0x60, bmdma + 0x02);
2341 simplex = inb(bmdma + 0x02);
2342 if (simplex & 0x80)
2343 return -EOPNOTSUPP;
2344 return 0;
2345}
2346
2347/**
2348 * ata_pci_bmdma_init - acquire PCI BMDMA resources and init ATA host
533 * @host: target ATA host 2349 * @host: target ATA host
534 * 2350 *
535 * Acquire PCI BMDMA resources and initialize @host accordingly. 2351 * Acquire PCI BMDMA resources and initialize @host accordingly.
@@ -540,7 +2356,7 @@ static int ata_resources_present(struct pci_dev *pdev, int port)
540 * RETURNS: 2356 * RETURNS:
541 * 0 on success, -errno otherwise. 2357 * 0 on success, -errno otherwise.
542 */ 2358 */
543int ata_pci_init_bmdma(struct ata_host *host) 2359int ata_pci_bmdma_init(struct ata_host *host)
544{ 2360{
545 struct device *gdev = host->dev; 2361 struct device *gdev = host->dev;
546 struct pci_dev *pdev = to_pci_dev(gdev); 2362 struct pci_dev *pdev = to_pci_dev(gdev);
@@ -585,8 +2401,22 @@ int ata_pci_init_bmdma(struct ata_host *host)
585 return 0; 2401 return 0;
586} 2402}
587 2403
2404static int ata_resources_present(struct pci_dev *pdev, int port)
2405{
2406 int i;
2407
2408 /* Check the PCI resources for this channel are enabled */
2409 port = port * 2;
2410 for (i = 0; i < 2; i ++) {
2411 if (pci_resource_start(pdev, port + i) == 0 ||
2412 pci_resource_len(pdev, port + i) == 0)
2413 return 0;
2414 }
2415 return 1;
2416}
2417
588/** 2418/**
589 * ata_pci_init_sff_host - acquire native PCI ATA resources and init host 2419 * ata_pci_sff_init_host - acquire native PCI ATA resources and init host
590 * @host: target ATA host 2420 * @host: target ATA host
591 * 2421 *
592 * Acquire native PCI ATA resources for @host and initialize the 2422 * Acquire native PCI ATA resources for @host and initialize the
@@ -604,7 +2434,7 @@ int ata_pci_init_bmdma(struct ata_host *host)
604 * 0 if at least one port is initialized, -ENODEV if no port is 2434 * 0 if at least one port is initialized, -ENODEV if no port is
605 * available. 2435 * available.
606 */ 2436 */
607int ata_pci_init_sff_host(struct ata_host *host) 2437int ata_pci_sff_init_host(struct ata_host *host)
608{ 2438{
609 struct device *gdev = host->dev; 2439 struct device *gdev = host->dev;
610 struct pci_dev *pdev = to_pci_dev(gdev); 2440 struct pci_dev *pdev = to_pci_dev(gdev);
@@ -646,7 +2476,7 @@ int ata_pci_init_sff_host(struct ata_host *host)
646 ap->ioaddr.altstatus_addr = 2476 ap->ioaddr.altstatus_addr =
647 ap->ioaddr.ctl_addr = (void __iomem *) 2477 ap->ioaddr.ctl_addr = (void __iomem *)
648 ((unsigned long)iomap[base + 1] | ATA_PCI_CTL_OFS); 2478 ((unsigned long)iomap[base + 1] | ATA_PCI_CTL_OFS);
649 ata_std_ports(&ap->ioaddr); 2479 ata_sff_std_ports(&ap->ioaddr);
650 2480
651 ata_port_desc(ap, "cmd 0x%llx ctl 0x%llx", 2481 ata_port_desc(ap, "cmd 0x%llx ctl 0x%llx",
652 (unsigned long long)pci_resource_start(pdev, base), 2482 (unsigned long long)pci_resource_start(pdev, base),
@@ -664,7 +2494,7 @@ int ata_pci_init_sff_host(struct ata_host *host)
664} 2494}
665 2495
666/** 2496/**
667 * ata_pci_prepare_sff_host - helper to prepare native PCI ATA host 2497 * ata_pci_sff_prepare_host - helper to prepare native PCI ATA host
668 * @pdev: target PCI device 2498 * @pdev: target PCI device
669 * @ppi: array of port_info, must be enough for two ports 2499 * @ppi: array of port_info, must be enough for two ports
670 * @r_host: out argument for the initialized ATA host 2500 * @r_host: out argument for the initialized ATA host
@@ -678,7 +2508,7 @@ int ata_pci_init_sff_host(struct ata_host *host)
678 * RETURNS: 2508 * RETURNS:
679 * 0 on success, -errno otherwise. 2509 * 0 on success, -errno otherwise.
680 */ 2510 */
681int ata_pci_prepare_sff_host(struct pci_dev *pdev, 2511int ata_pci_sff_prepare_host(struct pci_dev *pdev,
682 const struct ata_port_info * const * ppi, 2512 const struct ata_port_info * const * ppi,
683 struct ata_host **r_host) 2513 struct ata_host **r_host)
684{ 2514{
@@ -696,12 +2526,12 @@ int ata_pci_prepare_sff_host(struct pci_dev *pdev,
696 goto err_out; 2526 goto err_out;
697 } 2527 }
698 2528
699 rc = ata_pci_init_sff_host(host); 2529 rc = ata_pci_sff_init_host(host);
700 if (rc) 2530 if (rc)
701 goto err_out; 2531 goto err_out;
702 2532
703 /* init DMA related stuff */ 2533 /* init DMA related stuff */
704 rc = ata_pci_init_bmdma(host); 2534 rc = ata_pci_bmdma_init(host);
705 if (rc) 2535 if (rc)
706 goto err_bmdma; 2536 goto err_bmdma;
707 2537
@@ -722,7 +2552,7 @@ int ata_pci_prepare_sff_host(struct pci_dev *pdev,
722} 2552}
723 2553
724/** 2554/**
725 * ata_pci_activate_sff_host - start SFF host, request IRQ and register it 2555 * ata_pci_sff_activate_host - start SFF host, request IRQ and register it
726 * @host: target SFF ATA host 2556 * @host: target SFF ATA host
727 * @irq_handler: irq_handler used when requesting IRQ(s) 2557 * @irq_handler: irq_handler used when requesting IRQ(s)
728 * @sht: scsi_host_template to use when registering the host 2558 * @sht: scsi_host_template to use when registering the host
@@ -737,7 +2567,7 @@ int ata_pci_prepare_sff_host(struct pci_dev *pdev,
737 * RETURNS: 2567 * RETURNS:
738 * 0 on success, -errno otherwise. 2568 * 0 on success, -errno otherwise.
739 */ 2569 */
740int ata_pci_activate_sff_host(struct ata_host *host, 2570int ata_pci_sff_activate_host(struct ata_host *host,
741 irq_handler_t irq_handler, 2571 irq_handler_t irq_handler,
742 struct scsi_host_template *sht) 2572 struct scsi_host_template *sht)
743{ 2573{
@@ -815,9 +2645,11 @@ int ata_pci_activate_sff_host(struct ata_host *host,
815} 2645}
816 2646
817/** 2647/**
818 * ata_pci_init_one - Initialize/register PCI IDE host controller 2648 * ata_pci_sff_init_one - Initialize/register PCI IDE host controller
819 * @pdev: Controller to be initialized 2649 * @pdev: Controller to be initialized
820 * @ppi: array of port_info, must be enough for two ports 2650 * @ppi: array of port_info, must be enough for two ports
2651 * @sht: scsi_host_template to use when registering the host
2652 * @host_priv: host private_data
821 * 2653 *
822 * This is a helper function which can be called from a driver's 2654 * This is a helper function which can be called from a driver's
823 * xxx_init_one() probe function if the hardware uses traditional 2655 * xxx_init_one() probe function if the hardware uses traditional
@@ -837,8 +2669,9 @@ int ata_pci_activate_sff_host(struct ata_host *host,
837 * RETURNS: 2669 * RETURNS:
838 * Zero on success, negative on errno-based value on error. 2670 * Zero on success, negative on errno-based value on error.
839 */ 2671 */
840int ata_pci_init_one(struct pci_dev *pdev, 2672int ata_pci_sff_init_one(struct pci_dev *pdev,
841 const struct ata_port_info * const * ppi) 2673 const struct ata_port_info * const * ppi,
2674 struct scsi_host_template *sht, void *host_priv)
842{ 2675{
843 struct device *dev = &pdev->dev; 2676 struct device *dev = &pdev->dev;
844 const struct ata_port_info *pi = NULL; 2677 const struct ata_port_info *pi = NULL;
@@ -869,13 +2702,13 @@ int ata_pci_init_one(struct pci_dev *pdev,
869 goto out; 2702 goto out;
870 2703
871 /* prepare and activate SFF host */ 2704 /* prepare and activate SFF host */
872 rc = ata_pci_prepare_sff_host(pdev, ppi, &host); 2705 rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
873 if (rc) 2706 if (rc)
874 goto out; 2707 goto out;
2708 host->private_data = host_priv;
875 2709
876 pci_set_master(pdev); 2710 pci_set_master(pdev);
877 rc = ata_pci_activate_sff_host(host, pi->port_ops->irq_handler, 2711 rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
878 pi->sht);
879 out: 2712 out:
880 if (rc == 0) 2713 if (rc == 0)
881 devres_remove_group(&pdev->dev, NULL); 2714 devres_remove_group(&pdev->dev, NULL);
@@ -885,41 +2718,52 @@ int ata_pci_init_one(struct pci_dev *pdev,
885 return rc; 2718 return rc;
886} 2719}
887 2720
888/**
889 * ata_pci_clear_simplex - attempt to kick device out of simplex
890 * @pdev: PCI device
891 *
892 * Some PCI ATA devices report simplex mode but in fact can be told to
893 * enter non simplex mode. This implements the necessary logic to
894 * perform the task on such devices. Calling it on other devices will
895 * have -undefined- behaviour.
896 */
897
898int ata_pci_clear_simplex(struct pci_dev *pdev)
899{
900 unsigned long bmdma = pci_resource_start(pdev, 4);
901 u8 simplex;
902
903 if (bmdma == 0)
904 return -ENOENT;
905
906 simplex = inb(bmdma + 0x02);
907 outb(simplex & 0x60, bmdma + 0x02);
908 simplex = inb(bmdma + 0x02);
909 if (simplex & 0x80)
910 return -EOPNOTSUPP;
911 return 0;
912}
913
914unsigned long ata_pci_default_filter(struct ata_device *adev, unsigned long xfer_mask)
915{
916 /* Filter out DMA modes if the device has been configured by
917 the BIOS as PIO only */
918
919 if (adev->link->ap->ioaddr.bmdma_addr == NULL)
920 xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
921 return xfer_mask;
922}
923
924#endif /* CONFIG_PCI */ 2721#endif /* CONFIG_PCI */
925 2722
2723EXPORT_SYMBOL_GPL(ata_sff_port_ops);
2724EXPORT_SYMBOL_GPL(ata_bmdma_port_ops);
2725EXPORT_SYMBOL_GPL(ata_sff_qc_prep);
2726EXPORT_SYMBOL_GPL(ata_sff_dumb_qc_prep);
2727EXPORT_SYMBOL_GPL(ata_sff_dev_select);
2728EXPORT_SYMBOL_GPL(ata_sff_check_status);
2729EXPORT_SYMBOL_GPL(ata_sff_altstatus);
2730EXPORT_SYMBOL_GPL(ata_sff_busy_sleep);
2731EXPORT_SYMBOL_GPL(ata_sff_wait_ready);
2732EXPORT_SYMBOL_GPL(ata_sff_tf_load);
2733EXPORT_SYMBOL_GPL(ata_sff_tf_read);
2734EXPORT_SYMBOL_GPL(ata_sff_exec_command);
2735EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
2736EXPORT_SYMBOL_GPL(ata_sff_data_xfer_noirq);
2737EXPORT_SYMBOL_GPL(ata_sff_irq_on);
2738EXPORT_SYMBOL_GPL(ata_sff_irq_clear);
2739EXPORT_SYMBOL_GPL(ata_sff_hsm_move);
2740EXPORT_SYMBOL_GPL(ata_sff_qc_issue);
2741EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf);
2742EXPORT_SYMBOL_GPL(ata_sff_host_intr);
2743EXPORT_SYMBOL_GPL(ata_sff_interrupt);
2744EXPORT_SYMBOL_GPL(ata_sff_freeze);
2745EXPORT_SYMBOL_GPL(ata_sff_thaw);
2746EXPORT_SYMBOL_GPL(ata_sff_prereset);
2747EXPORT_SYMBOL_GPL(ata_sff_dev_classify);
2748EXPORT_SYMBOL_GPL(ata_sff_wait_after_reset);
2749EXPORT_SYMBOL_GPL(ata_sff_softreset);
2750EXPORT_SYMBOL_GPL(sata_sff_hardreset);
2751EXPORT_SYMBOL_GPL(ata_sff_postreset);
2752EXPORT_SYMBOL_GPL(ata_sff_error_handler);
2753EXPORT_SYMBOL_GPL(ata_sff_post_internal_cmd);
2754EXPORT_SYMBOL_GPL(ata_sff_port_start);
2755EXPORT_SYMBOL_GPL(ata_sff_std_ports);
2756EXPORT_SYMBOL_GPL(ata_bmdma_mode_filter);
2757EXPORT_SYMBOL_GPL(ata_bmdma_setup);
2758EXPORT_SYMBOL_GPL(ata_bmdma_start);
2759EXPORT_SYMBOL_GPL(ata_bmdma_stop);
2760EXPORT_SYMBOL_GPL(ata_bmdma_status);
2761EXPORT_SYMBOL_GPL(ata_bus_reset);
2762#ifdef CONFIG_PCI
2763EXPORT_SYMBOL_GPL(ata_pci_bmdma_clear_simplex);
2764EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
2765EXPORT_SYMBOL_GPL(ata_pci_sff_init_host);
2766EXPORT_SYMBOL_GPL(ata_pci_sff_prepare_host);
2767EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
2768EXPORT_SYMBOL_GPL(ata_pci_sff_init_one);
2769#endif /* CONFIG_PCI */
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index aa884f71a12a..4aeeabb10a47 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -38,6 +38,17 @@ struct ata_scsi_args {
38 void (*done)(struct scsi_cmnd *); 38 void (*done)(struct scsi_cmnd *);
39}; 39};
40 40
41static inline int ata_is_builtin_hardreset(ata_reset_fn_t reset)
42{
43 if (reset == sata_std_hardreset)
44 return 1;
45#ifdef CONFIG_ATA_SFF
46 if (reset == sata_sff_hardreset)
47 return 1;
48#endif
49 return 0;
50}
51
41/* libata-core.c */ 52/* libata-core.c */
42enum { 53enum {
43 /* flags for ata_dev_read_id() */ 54 /* flags for ata_dev_read_id() */
@@ -61,12 +72,16 @@ extern int libata_fua;
61extern int libata_noacpi; 72extern int libata_noacpi;
62extern int libata_allow_tpm; 73extern int libata_allow_tpm;
63extern void ata_force_cbl(struct ata_port *ap); 74extern void ata_force_cbl(struct ata_port *ap);
75extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
76extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
64extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); 77extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
65extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, 78extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
66 u64 block, u32 n_block, unsigned int tf_flags, 79 u64 block, u32 n_block, unsigned int tf_flags,
67 unsigned int tag); 80 unsigned int tag);
68extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev); 81extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev);
69extern void ata_dev_disable(struct ata_device *dev); 82extern void ata_dev_disable(struct ata_device *dev);
83extern void ata_pio_queue_task(struct ata_port *ap, void *data,
84 unsigned long delay);
70extern void ata_port_flush_task(struct ata_port *ap); 85extern void ata_port_flush_task(struct ata_port *ap);
71extern unsigned ata_exec_internal(struct ata_device *dev, 86extern unsigned ata_exec_internal(struct ata_device *dev,
72 struct ata_taskfile *tf, const u8 *cdb, 87 struct ata_taskfile *tf, const u8 *cdb,
@@ -77,6 +92,8 @@ extern unsigned ata_exec_internal_sg(struct ata_device *dev,
77 int dma_dir, struct scatterlist *sg, 92 int dma_dir, struct scatterlist *sg,
78 unsigned int n_elem, unsigned long timeout); 93 unsigned int n_elem, unsigned long timeout);
79extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd); 94extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
95extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
96 int (*check_ready)(struct ata_link *link));
80extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, 97extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
81 unsigned int flags, u16 *id); 98 unsigned int flags, u16 *id);
82extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags); 99extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
@@ -91,10 +108,7 @@ extern void ata_qc_free(struct ata_queued_cmd *qc);
91extern void ata_qc_issue(struct ata_queued_cmd *qc); 108extern void ata_qc_issue(struct ata_queued_cmd *qc);
92extern void __ata_qc_complete(struct ata_queued_cmd *qc); 109extern void __ata_qc_complete(struct ata_queued_cmd *qc);
93extern int ata_check_atapi_dma(struct ata_queued_cmd *qc); 110extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
94extern void ata_dev_select(struct ata_port *ap, unsigned int device,
95 unsigned int wait, unsigned int can_sleep);
96extern void swap_buf_le16(u16 *buf, unsigned int buf_words); 111extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
97extern int ata_flush_cache(struct ata_device *dev);
98extern void ata_dev_init(struct ata_device *dev); 112extern void ata_dev_init(struct ata_device *dev);
99extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp); 113extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
100extern int sata_link_init_spd(struct ata_link *link); 114extern int sata_link_init_spd(struct ata_link *link);
@@ -165,11 +179,6 @@ extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
165extern void ata_scsi_dev_rescan(struct work_struct *work); 179extern void ata_scsi_dev_rescan(struct work_struct *work);
166extern int ata_bus_probe(struct ata_port *ap); 180extern int ata_bus_probe(struct ata_port *ap);
167 181
168/* libata-pmp.c */
169extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
170extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
171extern int sata_pmp_attach(struct ata_device *dev);
172
173/* libata-eh.c */ 182/* libata-eh.c */
174extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd); 183extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
175extern void ata_scsi_error(struct Scsi_Host *host); 184extern void ata_scsi_error(struct Scsi_Host *host);
@@ -193,8 +202,34 @@ extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
193 struct ata_link **r_failed_disk); 202 struct ata_link **r_failed_disk);
194extern void ata_eh_finish(struct ata_port *ap); 203extern void ata_eh_finish(struct ata_port *ap);
195 204
205/* libata-pmp.c */
206#ifdef CONFIG_SATA_PMP
207extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
208extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
209extern int sata_pmp_attach(struct ata_device *dev);
210#else /* CONFIG_SATA_PMP */
211static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
212{
213 return -EINVAL;
214}
215
216static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
217{
218 return -EINVAL;
219}
220
221static inline int sata_pmp_attach(struct ata_device *dev)
222{
223 return -EINVAL;
224}
225#endif /* CONFIG_SATA_PMP */
226
196/* libata-sff.c */ 227/* libata-sff.c */
228#ifdef CONFIG_ATA_SFF
229extern void ata_dev_select(struct ata_port *ap, unsigned int device,
230 unsigned int wait, unsigned int can_sleep);
197extern u8 ata_irq_on(struct ata_port *ap); 231extern u8 ata_irq_on(struct ata_port *ap);
198 232extern void ata_pio_task(struct work_struct *work);
233#endif /* CONFIG_ATA_SFF */
199 234
200#endif /* __LIBATA_H__ */ 235#endif /* __LIBATA_H__ */
diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index bdc3b9d7395c..c5f91e629945 100644
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -47,7 +47,7 @@ static int pacpi_pre_reset(struct ata_link *link, unsigned long deadline)
47 if (ap->acpi_handle == NULL || ata_acpi_gtm(ap, &acpi->gtm) < 0) 47 if (ap->acpi_handle == NULL || ata_acpi_gtm(ap, &acpi->gtm) < 0)
48 return -ENODEV; 48 return -ENODEV;
49 49
50 return ata_std_prereset(link, deadline); 50 return ata_sff_prereset(link, deadline);
51} 51}
52 52
53/** 53/**
@@ -68,20 +68,6 @@ static int pacpi_cable_detect(struct ata_port *ap)
68} 68}
69 69
70/** 70/**
71 * pacpi_error_handler - Setup and error handler
72 * @ap: Port to handle
73 *
74 * LOCKING:
75 * None (inherited from caller).
76 */
77
78static void pacpi_error_handler(struct ata_port *ap)
79{
80 ata_bmdma_drive_eh(ap, pacpi_pre_reset, ata_std_softreset, NULL,
81 ata_std_postreset);
82}
83
84/**
85 * pacpi_discover_modes - filter non ACPI modes 71 * pacpi_discover_modes - filter non ACPI modes
86 * @adev: ATA device 72 * @adev: ATA device
87 * @mask: proposed modes 73 * @mask: proposed modes
@@ -120,7 +106,7 @@ static unsigned long pacpi_discover_modes(struct ata_port *ap, struct ata_device
120static unsigned long pacpi_mode_filter(struct ata_device *adev, unsigned long mask) 106static unsigned long pacpi_mode_filter(struct ata_device *adev, unsigned long mask)
121{ 107{
122 struct pata_acpi *acpi = adev->link->ap->private_data; 108 struct pata_acpi *acpi = adev->link->ap->private_data;
123 return ata_pci_default_filter(adev, mask & acpi->mask[adev->devno]); 109 return ata_bmdma_mode_filter(adev, mask & acpi->mask[adev->devno]);
124} 110}
125 111
126/** 112/**
@@ -176,7 +162,7 @@ static void pacpi_set_dmamode(struct ata_port *ap, struct ata_device *adev)
176} 162}
177 163
178/** 164/**
179 * pacpi_qc_issue_prot - command issue 165 * pacpi_qc_issue - command issue
180 * @qc: command pending 166 * @qc: command pending
181 * 167 *
182 * Called when the libata layer is about to issue a command. We wrap 168 * Called when the libata layer is about to issue a command. We wrap
@@ -184,14 +170,14 @@ static void pacpi_set_dmamode(struct ata_port *ap, struct ata_device *adev)
184 * neccessary. 170 * neccessary.
185 */ 171 */
186 172
187static unsigned int pacpi_qc_issue_prot(struct ata_queued_cmd *qc) 173static unsigned int pacpi_qc_issue(struct ata_queued_cmd *qc)
188{ 174{
189 struct ata_port *ap = qc->ap; 175 struct ata_port *ap = qc->ap;
190 struct ata_device *adev = qc->dev; 176 struct ata_device *adev = qc->dev;
191 struct pata_acpi *acpi = ap->private_data; 177 struct pata_acpi *acpi = ap->private_data;
192 178
193 if (acpi->gtm.flags & 0x10) 179 if (acpi->gtm.flags & 0x10)
194 return ata_qc_issue_prot(qc); 180 return ata_sff_qc_issue(qc);
195 181
196 if (adev != acpi->last) { 182 if (adev != acpi->last) {
197 pacpi_set_piomode(ap, adev); 183 pacpi_set_piomode(ap, adev);
@@ -199,7 +185,7 @@ static unsigned int pacpi_qc_issue_prot(struct ata_queued_cmd *qc)
199 pacpi_set_dmamode(ap, adev); 185 pacpi_set_dmamode(ap, adev);
200 acpi->last = adev; 186 acpi->last = adev;
201 } 187 }
202 return ata_qc_issue_prot(qc); 188 return ata_sff_qc_issue(qc);
203} 189}
204 190
205/** 191/**
@@ -232,57 +218,17 @@ static int pacpi_port_start(struct ata_port *ap)
232} 218}
233 219
234static struct scsi_host_template pacpi_sht = { 220static struct scsi_host_template pacpi_sht = {
235 .module = THIS_MODULE, 221 ATA_BMDMA_SHT(DRV_NAME),
236 .name = DRV_NAME,
237 .ioctl = ata_scsi_ioctl,
238 .queuecommand = ata_scsi_queuecmd,
239 .can_queue = ATA_DEF_QUEUE,
240 .this_id = ATA_SHT_THIS_ID,
241 .sg_tablesize = LIBATA_MAX_PRD,
242 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
243 .emulated = ATA_SHT_EMULATED,
244 .use_clustering = ATA_SHT_USE_CLUSTERING,
245 .proc_name = DRV_NAME,
246 .dma_boundary = ATA_DMA_BOUNDARY,
247 .slave_configure = ata_scsi_slave_config,
248 .slave_destroy = ata_scsi_slave_destroy,
249 /* Use standard CHS mapping rules */
250 .bios_param = ata_std_bios_param,
251}; 222};
252 223
253static const struct ata_port_operations pacpi_ops = { 224static struct ata_port_operations pacpi_ops = {
225 .inherits = &ata_bmdma_port_ops,
226 .qc_issue = pacpi_qc_issue,
227 .cable_detect = pacpi_cable_detect,
228 .mode_filter = pacpi_mode_filter,
254 .set_piomode = pacpi_set_piomode, 229 .set_piomode = pacpi_set_piomode,
255 .set_dmamode = pacpi_set_dmamode, 230 .set_dmamode = pacpi_set_dmamode,
256 .mode_filter = pacpi_mode_filter, 231 .prereset = pacpi_pre_reset,
257
258 /* Task file is PCI ATA format, use helpers */
259 .tf_load = ata_tf_load,
260 .tf_read = ata_tf_read,
261 .check_status = ata_check_status,
262 .exec_command = ata_exec_command,
263 .dev_select = ata_std_dev_select,
264
265 .freeze = ata_bmdma_freeze,
266 .thaw = ata_bmdma_thaw,
267 .error_handler = pacpi_error_handler,
268 .post_internal_cmd = ata_bmdma_post_internal_cmd,
269 .cable_detect = pacpi_cable_detect,
270
271 /* BMDMA handling is PCI ATA format, use helpers */
272 .bmdma_setup = ata_bmdma_setup,
273 .bmdma_start = ata_bmdma_start,
274 .bmdma_stop = ata_bmdma_stop,
275 .bmdma_status = ata_bmdma_status,
276 .qc_prep = ata_qc_prep,
277 .qc_issue = pacpi_qc_issue_prot,
278 .data_xfer = ata_data_xfer,
279
280 /* Timeout handling */
281 .irq_handler = ata_interrupt,
282 .irq_clear = ata_bmdma_irq_clear,
283 .irq_on = ata_irq_on,
284
285 /* Generic PATA PCI ATA helpers */
286 .port_start = pacpi_port_start, 232 .port_start = pacpi_port_start,
287}; 233};
288 234
@@ -304,7 +250,6 @@ static const struct ata_port_operations pacpi_ops = {
304static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id) 250static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
305{ 251{
306 static const struct ata_port_info info = { 252 static const struct ata_port_info info = {
307 .sht = &pacpi_sht,
308 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, 253 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
309 254
310 .pio_mask = 0x1f, 255 .pio_mask = 0x1f,
@@ -314,7 +259,7 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
314 .port_ops = &pacpi_ops, 259 .port_ops = &pacpi_ops,
315 }; 260 };
316 const struct ata_port_info *ppi[] = { &info, NULL }; 261 const struct ata_port_info *ppi[] = { &info, NULL };
317 return ata_pci_init_one(pdev, ppi); 262 return ata_pci_sff_init_one(pdev, ppi, &pacpi_sht, NULL);
318} 263}
319 264
320static const struct pci_device_id pacpi_pci_tbl[] = { 265static const struct pci_device_id pacpi_pci_tbl[] = {
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 511a830b6256..fcabe46f262b 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -121,7 +121,7 @@ static unsigned long ali_20_filter(struct ata_device *adev, unsigned long mask)
121 ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); 121 ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));
122 if (strstr(model_num, "WDC")) 122 if (strstr(model_num, "WDC"))
123 return mask &= ~ATA_MASK_UDMA; 123 return mask &= ~ATA_MASK_UDMA;
124 return ata_pci_default_filter(adev, mask); 124 return ata_bmdma_mode_filter(adev, mask);
125} 125}
126 126
127/** 127/**
@@ -339,21 +339,7 @@ static int ali_check_atapi_dma(struct ata_queued_cmd *qc)
339} 339}
340 340
341static struct scsi_host_template ali_sht = { 341static struct scsi_host_template ali_sht = {
342 .module = THIS_MODULE, 342 ATA_BMDMA_SHT(DRV_NAME),
343 .name = DRV_NAME,
344 .ioctl = ata_scsi_ioctl,
345 .queuecommand = ata_scsi_queuecmd,
346 .can_queue = ATA_DEF_QUEUE,
347 .this_id = ATA_SHT_THIS_ID,
348 .sg_tablesize = LIBATA_MAX_PRD,
349 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
350 .emulated = ATA_SHT_EMULATED,
351 .use_clustering = ATA_SHT_USE_CLUSTERING,
352 .proc_name = DRV_NAME,
353 .dma_boundary = ATA_DMA_BOUNDARY,
354 .slave_configure = ata_scsi_slave_config,
355 .slave_destroy = ata_scsi_slave_destroy,
356 .bios_param = ata_std_bios_param,
357}; 343};
358 344
359/* 345/*
@@ -361,29 +347,15 @@ static struct scsi_host_template ali_sht = {
361 */ 347 */
362 348
363static struct ata_port_operations ali_early_port_ops = { 349static struct ata_port_operations ali_early_port_ops = {
364 .set_piomode = ali_set_piomode, 350 .inherits = &ata_sff_port_ops,
365 .tf_load = ata_tf_load,
366 .tf_read = ata_tf_read,
367 .check_status = ata_check_status,
368 .exec_command = ata_exec_command,
369 .dev_select = ata_std_dev_select,
370
371 .freeze = ata_bmdma_freeze,
372 .thaw = ata_bmdma_thaw,
373 .error_handler = ata_bmdma_error_handler,
374 .post_internal_cmd = ata_bmdma_post_internal_cmd,
375 .cable_detect = ata_cable_40wire, 351 .cable_detect = ata_cable_40wire,
352 .set_piomode = ali_set_piomode,
353};
376 354
377 .qc_prep = ata_qc_prep, 355static const struct ata_port_operations ali_dma_base_ops = {
378 .qc_issue = ata_qc_issue_prot, 356 .inherits = &ata_bmdma_port_ops,
379 357 .set_piomode = ali_set_piomode,
380 .data_xfer = ata_data_xfer, 358 .set_dmamode = ali_set_dmamode,
381
382 .irq_handler = ata_interrupt,
383 .irq_clear = ata_bmdma_irq_clear,
384 .irq_on = ata_irq_on,
385
386 .port_start = ata_sff_port_start,
387}; 359};
388 360
389/* 361/*
@@ -391,115 +363,31 @@ static struct ata_port_operations ali_early_port_ops = {
391 * detect 363 * detect
392 */ 364 */
393static struct ata_port_operations ali_20_port_ops = { 365static struct ata_port_operations ali_20_port_ops = {
394 .set_piomode = ali_set_piomode, 366 .inherits = &ali_dma_base_ops,
395 .set_dmamode = ali_set_dmamode, 367 .cable_detect = ata_cable_40wire,
396 .mode_filter = ali_20_filter, 368 .mode_filter = ali_20_filter,
397
398 .tf_load = ata_tf_load,
399 .tf_read = ata_tf_read,
400 .check_atapi_dma = ali_check_atapi_dma, 369 .check_atapi_dma = ali_check_atapi_dma,
401 .check_status = ata_check_status,
402 .exec_command = ata_exec_command,
403 .dev_select = ata_std_dev_select,
404 .dev_config = ali_lock_sectors, 370 .dev_config = ali_lock_sectors,
405
406 .freeze = ata_bmdma_freeze,
407 .thaw = ata_bmdma_thaw,
408 .error_handler = ata_bmdma_error_handler,
409 .post_internal_cmd = ata_bmdma_post_internal_cmd,
410 .cable_detect = ata_cable_40wire,
411
412 .bmdma_setup = ata_bmdma_setup,
413 .bmdma_start = ata_bmdma_start,
414 .bmdma_stop = ata_bmdma_stop,
415 .bmdma_status = ata_bmdma_status,
416
417 .qc_prep = ata_qc_prep,
418 .qc_issue = ata_qc_issue_prot,
419
420 .data_xfer = ata_data_xfer,
421
422 .irq_handler = ata_interrupt,
423 .irq_clear = ata_bmdma_irq_clear,
424 .irq_on = ata_irq_on,
425
426 .port_start = ata_sff_port_start,
427}; 371};
428 372
429/* 373/*
430 * Port operations for DMA capable ALi with cable detect 374 * Port operations for DMA capable ALi with cable detect
431 */ 375 */
432static struct ata_port_operations ali_c2_port_ops = { 376static struct ata_port_operations ali_c2_port_ops = {
433 .set_piomode = ali_set_piomode, 377 .inherits = &ali_dma_base_ops,
434 .set_dmamode = ali_set_dmamode,
435 .mode_filter = ata_pci_default_filter,
436 .tf_load = ata_tf_load,
437 .tf_read = ata_tf_read,
438 .check_atapi_dma = ali_check_atapi_dma, 378 .check_atapi_dma = ali_check_atapi_dma,
439 .check_status = ata_check_status,
440 .exec_command = ata_exec_command,
441 .dev_select = ata_std_dev_select,
442 .dev_config = ali_lock_sectors,
443
444 .freeze = ata_bmdma_freeze,
445 .thaw = ata_bmdma_thaw,
446 .error_handler = ata_bmdma_error_handler,
447 .post_internal_cmd = ata_bmdma_post_internal_cmd,
448 .cable_detect = ali_c2_cable_detect, 379 .cable_detect = ali_c2_cable_detect,
449 380 .dev_config = ali_lock_sectors,
450 .bmdma_setup = ata_bmdma_setup,
451 .bmdma_start = ata_bmdma_start,
452 .bmdma_stop = ata_bmdma_stop,
453 .bmdma_status = ata_bmdma_status,
454
455 .qc_prep = ata_qc_prep,
456 .qc_issue = ata_qc_issue_prot,
457
458 .data_xfer = ata_data_xfer,
459
460 .irq_handler = ata_interrupt,
461 .irq_clear = ata_bmdma_irq_clear,
462 .irq_on = ata_irq_on,
463
464 .port_start = ata_sff_port_start,
465}; 381};
466 382
467/* 383/*
468 * Port operations for DMA capable ALi with cable detect and LBA48 384 * Port operations for DMA capable ALi with cable detect and LBA48
469 */ 385 */
470static struct ata_port_operations ali_c5_port_ops = { 386static struct ata_port_operations ali_c5_port_ops = {
471 .set_piomode = ali_set_piomode, 387 .inherits = &ali_dma_base_ops,
472 .set_dmamode = ali_set_dmamode,
473 .mode_filter = ata_pci_default_filter,
474 .tf_load = ata_tf_load,
475 .tf_read = ata_tf_read,
476 .check_atapi_dma = ali_check_atapi_dma, 388 .check_atapi_dma = ali_check_atapi_dma,
477 .check_status = ata_check_status,
478 .exec_command = ata_exec_command,
479 .dev_select = ata_std_dev_select,
480 .dev_config = ali_warn_atapi_dma, 389 .dev_config = ali_warn_atapi_dma,
481
482 .freeze = ata_bmdma_freeze,
483 .thaw = ata_bmdma_thaw,
484 .error_handler = ata_bmdma_error_handler,
485 .post_internal_cmd = ata_bmdma_post_internal_cmd,
486 .cable_detect = ali_c2_cable_detect, 390 .cable_detect = ali_c2_cable_detect,
487
488 .bmdma_setup = ata_bmdma_setup,
489 .bmdma_start = ata_bmdma_start,
490 .bmdma_stop = ata_bmdma_stop,
491 .bmdma_status = ata_bmdma_status,
492
493 .qc_prep = ata_qc_prep,
494 .qc_issue = ata_qc_issue_prot,
495
496 .data_xfer = ata_data_xfer,
497
498 .irq_handler = ata_interrupt,
499 .irq_clear = ata_bmdma_irq_clear,
500 .irq_on = ata_irq_on,
501
502 .port_start = ata_sff_port_start,
503}; 391};
504 392
505 393
@@ -561,7 +449,7 @@ static void ali_init_chipset(struct pci_dev *pdev)
561 } 449 }
562 pci_dev_put(isa_bridge); 450 pci_dev_put(isa_bridge);
563 pci_dev_put(north); 451 pci_dev_put(north);
564 ata_pci_clear_simplex(pdev); 452 ata_pci_bmdma_clear_simplex(pdev);
565} 453}
566/** 454/**
567 * ali_init_one - discovery callback 455 * ali_init_one - discovery callback
@@ -575,14 +463,12 @@ static void ali_init_chipset(struct pci_dev *pdev)
575static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 463static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
576{ 464{
577 static const struct ata_port_info info_early = { 465 static const struct ata_port_info info_early = {
578 .sht = &ali_sht,
579 .flags = ATA_FLAG_SLAVE_POSS, 466 .flags = ATA_FLAG_SLAVE_POSS,
580 .pio_mask = 0x1f, 467 .pio_mask = 0x1f,
581 .port_ops = &ali_early_port_ops 468 .port_ops = &ali_early_port_ops
582 }; 469 };
583 /* Revision 0x20 added DMA */ 470 /* Revision 0x20 added DMA */
584 static const struct ata_port_info info_20 = { 471 static const struct ata_port_info info_20 = {
585 .sht = &ali_sht,
586 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 472 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
587 .pio_mask = 0x1f, 473 .pio_mask = 0x1f,
588 .mwdma_mask = 0x07, 474 .mwdma_mask = 0x07,
@@ -590,7 +476,6 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
590 }; 476 };
591 /* Revision 0x20 with support logic added UDMA */ 477 /* Revision 0x20 with support logic added UDMA */
592 static const struct ata_port_info info_20_udma = { 478 static const struct ata_port_info info_20_udma = {
593 .sht = &ali_sht,
594 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 479 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
595 .pio_mask = 0x1f, 480 .pio_mask = 0x1f,
596 .mwdma_mask = 0x07, 481 .mwdma_mask = 0x07,
@@ -599,7 +484,6 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
599 }; 484 };
600 /* Revision 0xC2 adds UDMA66 */ 485 /* Revision 0xC2 adds UDMA66 */
601 static const struct ata_port_info info_c2 = { 486 static const struct ata_port_info info_c2 = {
602 .sht = &ali_sht,
603 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 487 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
604 .pio_mask = 0x1f, 488 .pio_mask = 0x1f,
605 .mwdma_mask = 0x07, 489 .mwdma_mask = 0x07,
@@ -608,7 +492,6 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
608 }; 492 };
609 /* Revision 0xC3 is UDMA66 for now */ 493 /* Revision 0xC3 is UDMA66 for now */
610 static const struct ata_port_info info_c3 = { 494 static const struct ata_port_info info_c3 = {
611 .sht = &ali_sht,
612 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 495 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
613 .pio_mask = 0x1f, 496 .pio_mask = 0x1f,
614 .mwdma_mask = 0x07, 497 .mwdma_mask = 0x07,
@@ -617,7 +500,6 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
617 }; 500 };
618 /* Revision 0xC4 is UDMA100 */ 501 /* Revision 0xC4 is UDMA100 */
619 static const struct ata_port_info info_c4 = { 502 static const struct ata_port_info info_c4 = {
620 .sht = &ali_sht,
621 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 503 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
622 .pio_mask = 0x1f, 504 .pio_mask = 0x1f,
623 .mwdma_mask = 0x07, 505 .mwdma_mask = 0x07,
@@ -626,7 +508,6 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
626 }; 508 };
627 /* Revision 0xC5 is UDMA133 with LBA48 DMA */ 509 /* Revision 0xC5 is UDMA133 with LBA48 DMA */
628 static const struct ata_port_info info_c5 = { 510 static const struct ata_port_info info_c5 = {
629 .sht = &ali_sht,
630 .flags = ATA_FLAG_SLAVE_POSS, 511 .flags = ATA_FLAG_SLAVE_POSS,
631 .pio_mask = 0x1f, 512 .pio_mask = 0x1f,
632 .mwdma_mask = 0x07, 513 .mwdma_mask = 0x07,
@@ -637,6 +518,11 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
637 const struct ata_port_info *ppi[] = { NULL, NULL }; 518 const struct ata_port_info *ppi[] = { NULL, NULL };
638 u8 tmp; 519 u8 tmp;
639 struct pci_dev *isa_bridge; 520 struct pci_dev *isa_bridge;
521 int rc;
522
523 rc = pcim_enable_device(pdev);
524 if (rc)
525 return rc;
640 526
641 /* 527 /*
642 * The chipset revision selects the driver operations and 528 * The chipset revision selects the driver operations and
@@ -666,14 +552,21 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
666 ppi[0] = &info_20_udma; 552 ppi[0] = &info_20_udma;
667 pci_dev_put(isa_bridge); 553 pci_dev_put(isa_bridge);
668 } 554 }
669 return ata_pci_init_one(pdev, ppi); 555 return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL);
670} 556}
671 557
672#ifdef CONFIG_PM 558#ifdef CONFIG_PM
673static int ali_reinit_one(struct pci_dev *pdev) 559static int ali_reinit_one(struct pci_dev *pdev)
674{ 560{
561 struct ata_host *host = dev_get_drvdata(&pdev->dev);
562 int rc;
563
564 rc = ata_pci_device_do_resume(pdev);
565 if (rc)
566 return rc;
675 ali_init_chipset(pdev); 567 ali_init_chipset(pdev);
676 return ata_pci_device_resume(pdev); 568 ata_host_resume(host);
569 return 0;
677} 570}
678#endif 571#endif
679 572
diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index 4b8d9b592ca4..26665c396485 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -56,7 +56,9 @@ static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offse
56 u8 t; 56 u8 t;
57 57
58 T = 1000000000 / amd_clock; 58 T = 1000000000 / amd_clock;
59 UT = T / min_t(int, max_t(int, clock, 1), 2); 59 UT = T;
60 if (clock >= 2)
61 UT = T / 2;
60 62
61 if (ata_timing_compute(adev, speed, &at, T, UT) < 0) { 63 if (ata_timing_compute(adev, speed, &at, T, UT) < 0) {
62 dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed); 64 dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed);
@@ -141,13 +143,7 @@ static int amd_pre_reset(struct ata_link *link, unsigned long deadline)
141 if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no])) 143 if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
142 return -ENOENT; 144 return -ENOENT;
143 145
144 return ata_std_prereset(link, deadline); 146 return ata_sff_prereset(link, deadline);
145}
146
147static void amd_error_handler(struct ata_port *ap)
148{
149 ata_bmdma_drive_eh(ap, amd_pre_reset, ata_std_softreset, NULL,
150 ata_std_postreset);
151} 147}
152 148
153static int amd_cable_detect(struct ata_port *ap) 149static int amd_cable_detect(struct ata_port *ap)
@@ -297,14 +293,7 @@ static int nv_pre_reset(struct ata_link *link, unsigned long deadline)
297 if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no])) 293 if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
298 return -ENOENT; 294 return -ENOENT;
299 295
300 return ata_std_prereset(link, deadline); 296 return ata_sff_prereset(link, deadline);
301}
302
303static void nv_error_handler(struct ata_port *ap)
304{
305 ata_bmdma_drive_eh(ap, nv_pre_reset,
306 ata_std_softreset, NULL,
307 ata_std_postreset);
308} 297}
309 298
310/** 299/**
@@ -353,228 +342,66 @@ static void nv_host_stop(struct ata_host *host)
353} 342}
354 343
355static struct scsi_host_template amd_sht = { 344static struct scsi_host_template amd_sht = {
356 .module = THIS_MODULE, 345 ATA_BMDMA_SHT(DRV_NAME),
357 .name = DRV_NAME, 346};
358 .ioctl = ata_scsi_ioctl, 347
359 .queuecommand = ata_scsi_queuecmd, 348static const struct ata_port_operations amd_base_port_ops = {
360 .can_queue = ATA_DEF_QUEUE, 349 .inherits = &ata_bmdma_port_ops,
361 .this_id = ATA_SHT_THIS_ID, 350 .prereset = amd_pre_reset,
362 .sg_tablesize = LIBATA_MAX_PRD,
363 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
364 .emulated = ATA_SHT_EMULATED,
365 .use_clustering = ATA_SHT_USE_CLUSTERING,
366 .proc_name = DRV_NAME,
367 .dma_boundary = ATA_DMA_BOUNDARY,
368 .slave_configure = ata_scsi_slave_config,
369 .slave_destroy = ata_scsi_slave_destroy,
370 .bios_param = ata_std_bios_param,
371}; 351};
372 352
373static struct ata_port_operations amd33_port_ops = { 353static struct ata_port_operations amd33_port_ops = {
354 .inherits = &amd_base_port_ops,
355 .cable_detect = ata_cable_40wire,
374 .set_piomode = amd33_set_piomode, 356 .set_piomode = amd33_set_piomode,
375 .set_dmamode = amd33_set_dmamode, 357 .set_dmamode = amd33_set_dmamode,
376 .mode_filter = ata_pci_default_filter,
377 .tf_load = ata_tf_load,
378 .tf_read = ata_tf_read,
379 .check_status = ata_check_status,
380 .exec_command = ata_exec_command,
381 .dev_select = ata_std_dev_select,
382
383 .freeze = ata_bmdma_freeze,
384 .thaw = ata_bmdma_thaw,
385 .error_handler = amd_error_handler,
386 .post_internal_cmd = ata_bmdma_post_internal_cmd,
387 .cable_detect = ata_cable_40wire,
388
389 .bmdma_setup = ata_bmdma_setup,
390 .bmdma_start = ata_bmdma_start,
391 .bmdma_stop = ata_bmdma_stop,
392 .bmdma_status = ata_bmdma_status,
393
394 .qc_prep = ata_qc_prep,
395 .qc_issue = ata_qc_issue_prot,
396
397 .data_xfer = ata_data_xfer,
398
399 .irq_handler = ata_interrupt,
400 .irq_clear = ata_bmdma_irq_clear,
401 .irq_on = ata_irq_on,
402
403 .port_start = ata_sff_port_start,
404}; 358};
405 359
406static struct ata_port_operations amd66_port_ops = { 360static struct ata_port_operations amd66_port_ops = {
361 .inherits = &amd_base_port_ops,
362 .cable_detect = ata_cable_unknown,
407 .set_piomode = amd66_set_piomode, 363 .set_piomode = amd66_set_piomode,
408 .set_dmamode = amd66_set_dmamode, 364 .set_dmamode = amd66_set_dmamode,
409 .mode_filter = ata_pci_default_filter,
410 .tf_load = ata_tf_load,
411 .tf_read = ata_tf_read,
412 .check_status = ata_check_status,
413 .exec_command = ata_exec_command,
414 .dev_select = ata_std_dev_select,
415
416 .freeze = ata_bmdma_freeze,
417 .thaw = ata_bmdma_thaw,
418 .error_handler = amd_error_handler,
419 .post_internal_cmd = ata_bmdma_post_internal_cmd,
420 .cable_detect = ata_cable_unknown,
421
422 .bmdma_setup = ata_bmdma_setup,
423 .bmdma_start = ata_bmdma_start,
424 .bmdma_stop = ata_bmdma_stop,
425 .bmdma_status = ata_bmdma_status,
426
427 .qc_prep = ata_qc_prep,
428 .qc_issue = ata_qc_issue_prot,
429
430 .data_xfer = ata_data_xfer,
431
432 .irq_handler = ata_interrupt,
433 .irq_clear = ata_bmdma_irq_clear,
434 .irq_on = ata_irq_on,
435
436 .port_start = ata_sff_port_start,
437}; 365};
438 366
439static struct ata_port_operations amd100_port_ops = { 367static struct ata_port_operations amd100_port_ops = {
368 .inherits = &amd_base_port_ops,
369 .cable_detect = ata_cable_unknown,
440 .set_piomode = amd100_set_piomode, 370 .set_piomode = amd100_set_piomode,
441 .set_dmamode = amd100_set_dmamode, 371 .set_dmamode = amd100_set_dmamode,
442 .mode_filter = ata_pci_default_filter,
443 .tf_load = ata_tf_load,
444 .tf_read = ata_tf_read,
445 .check_status = ata_check_status,
446 .exec_command = ata_exec_command,
447 .dev_select = ata_std_dev_select,
448
449 .freeze = ata_bmdma_freeze,
450 .thaw = ata_bmdma_thaw,
451 .error_handler = amd_error_handler,
452 .post_internal_cmd = ata_bmdma_post_internal_cmd,
453 .cable_detect = ata_cable_unknown,
454
455 .bmdma_setup = ata_bmdma_setup,
456 .bmdma_start = ata_bmdma_start,
457 .bmdma_stop = ata_bmdma_stop,
458 .bmdma_status = ata_bmdma_status,
459
460 .qc_prep = ata_qc_prep,
461 .qc_issue = ata_qc_issue_prot,
462
463 .data_xfer = ata_data_xfer,
464
465 .irq_handler = ata_interrupt,
466 .irq_clear = ata_bmdma_irq_clear,
467 .irq_on = ata_irq_on,
468
469 .port_start = ata_sff_port_start,
470}; 372};
471 373
472static struct ata_port_operations amd133_port_ops = { 374static struct ata_port_operations amd133_port_ops = {
375 .inherits = &amd_base_port_ops,
376 .cable_detect = amd_cable_detect,
473 .set_piomode = amd133_set_piomode, 377 .set_piomode = amd133_set_piomode,
474 .set_dmamode = amd133_set_dmamode, 378 .set_dmamode = amd133_set_dmamode,
475 .mode_filter = ata_pci_default_filter, 379};
476 .tf_load = ata_tf_load,
477 .tf_read = ata_tf_read,
478 .check_status = ata_check_status,
479 .exec_command = ata_exec_command,
480 .dev_select = ata_std_dev_select,
481
482 .freeze = ata_bmdma_freeze,
483 .thaw = ata_bmdma_thaw,
484 .error_handler = amd_error_handler,
485 .post_internal_cmd = ata_bmdma_post_internal_cmd,
486 .cable_detect = amd_cable_detect,
487
488 .bmdma_setup = ata_bmdma_setup,
489 .bmdma_start = ata_bmdma_start,
490 .bmdma_stop = ata_bmdma_stop,
491 .bmdma_status = ata_bmdma_status,
492
493 .qc_prep = ata_qc_prep,
494 .qc_issue = ata_qc_issue_prot,
495
496 .data_xfer = ata_data_xfer,
497
498 .irq_handler = ata_interrupt,
499 .irq_clear = ata_bmdma_irq_clear,
500 .irq_on = ata_irq_on,
501 380
502 .port_start = ata_sff_port_start, 381static const struct ata_port_operations nv_base_port_ops = {
382 .inherits = &ata_bmdma_port_ops,
383 .cable_detect = ata_cable_ignore,
384 .mode_filter = nv_mode_filter,
385 .prereset = nv_pre_reset,
386 .host_stop = nv_host_stop,
503}; 387};
504 388
505static struct ata_port_operations nv100_port_ops = { 389static struct ata_port_operations nv100_port_ops = {
390 .inherits = &nv_base_port_ops,
506 .set_piomode = nv100_set_piomode, 391 .set_piomode = nv100_set_piomode,
507 .set_dmamode = nv100_set_dmamode, 392 .set_dmamode = nv100_set_dmamode,
508 .tf_load = ata_tf_load,
509 .tf_read = ata_tf_read,
510 .check_status = ata_check_status,
511 .exec_command = ata_exec_command,
512 .dev_select = ata_std_dev_select,
513
514 .freeze = ata_bmdma_freeze,
515 .thaw = ata_bmdma_thaw,
516 .error_handler = nv_error_handler,
517 .post_internal_cmd = ata_bmdma_post_internal_cmd,
518 .cable_detect = ata_cable_ignore,
519 .mode_filter = nv_mode_filter,
520
521 .bmdma_setup = ata_bmdma_setup,
522 .bmdma_start = ata_bmdma_start,
523 .bmdma_stop = ata_bmdma_stop,
524 .bmdma_status = ata_bmdma_status,
525
526 .qc_prep = ata_qc_prep,
527 .qc_issue = ata_qc_issue_prot,
528
529 .data_xfer = ata_data_xfer,
530
531 .irq_handler = ata_interrupt,
532 .irq_clear = ata_bmdma_irq_clear,
533 .irq_on = ata_irq_on,
534
535 .port_start = ata_sff_port_start,
536 .host_stop = nv_host_stop,
537}; 393};
538 394
539static struct ata_port_operations nv133_port_ops = { 395static struct ata_port_operations nv133_port_ops = {
396 .inherits = &nv_base_port_ops,
540 .set_piomode = nv133_set_piomode, 397 .set_piomode = nv133_set_piomode,
541 .set_dmamode = nv133_set_dmamode, 398 .set_dmamode = nv133_set_dmamode,
542 .tf_load = ata_tf_load,
543 .tf_read = ata_tf_read,
544 .check_status = ata_check_status,
545 .exec_command = ata_exec_command,
546 .dev_select = ata_std_dev_select,
547
548 .freeze = ata_bmdma_freeze,
549 .thaw = ata_bmdma_thaw,
550 .error_handler = nv_error_handler,
551 .post_internal_cmd = ata_bmdma_post_internal_cmd,
552 .cable_detect = ata_cable_ignore,
553 .mode_filter = nv_mode_filter,
554
555 .bmdma_setup = ata_bmdma_setup,
556 .bmdma_start = ata_bmdma_start,
557 .bmdma_stop = ata_bmdma_stop,
558 .bmdma_status = ata_bmdma_status,
559
560 .qc_prep = ata_qc_prep,
561 .qc_issue = ata_qc_issue_prot,
562
563 .data_xfer = ata_data_xfer,
564
565 .irq_handler = ata_interrupt,
566 .irq_clear = ata_bmdma_irq_clear,
567 .irq_on = ata_irq_on,
568
569 .port_start = ata_sff_port_start,
570 .host_stop = nv_host_stop,
571}; 399};
572 400
573static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 401static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
574{ 402{
575 static const struct ata_port_info info[10] = { 403 static const struct ata_port_info info[10] = {
576 { /* 0: AMD 7401 */ 404 { /* 0: AMD 7401 */
577 .sht = &amd_sht,
578 .flags = ATA_FLAG_SLAVE_POSS, 405 .flags = ATA_FLAG_SLAVE_POSS,
579 .pio_mask = 0x1f, 406 .pio_mask = 0x1f,
580 .mwdma_mask = 0x07, /* No SWDMA */ 407 .mwdma_mask = 0x07, /* No SWDMA */
@@ -582,7 +409,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
582 .port_ops = &amd33_port_ops 409 .port_ops = &amd33_port_ops
583 }, 410 },
584 { /* 1: Early AMD7409 - no swdma */ 411 { /* 1: Early AMD7409 - no swdma */
585 .sht = &amd_sht,
586 .flags = ATA_FLAG_SLAVE_POSS, 412 .flags = ATA_FLAG_SLAVE_POSS,
587 .pio_mask = 0x1f, 413 .pio_mask = 0x1f,
588 .mwdma_mask = 0x07, 414 .mwdma_mask = 0x07,
@@ -590,7 +416,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
590 .port_ops = &amd66_port_ops 416 .port_ops = &amd66_port_ops
591 }, 417 },
592 { /* 2: AMD 7409, no swdma errata */ 418 { /* 2: AMD 7409, no swdma errata */
593 .sht = &amd_sht,
594 .flags = ATA_FLAG_SLAVE_POSS, 419 .flags = ATA_FLAG_SLAVE_POSS,
595 .pio_mask = 0x1f, 420 .pio_mask = 0x1f,
596 .mwdma_mask = 0x07, 421 .mwdma_mask = 0x07,
@@ -598,7 +423,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
598 .port_ops = &amd66_port_ops 423 .port_ops = &amd66_port_ops
599 }, 424 },
600 { /* 3: AMD 7411 */ 425 { /* 3: AMD 7411 */
601 .sht = &amd_sht,
602 .flags = ATA_FLAG_SLAVE_POSS, 426 .flags = ATA_FLAG_SLAVE_POSS,
603 .pio_mask = 0x1f, 427 .pio_mask = 0x1f,
604 .mwdma_mask = 0x07, 428 .mwdma_mask = 0x07,
@@ -606,7 +430,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
606 .port_ops = &amd100_port_ops 430 .port_ops = &amd100_port_ops
607 }, 431 },
608 { /* 4: AMD 7441 */ 432 { /* 4: AMD 7441 */
609 .sht = &amd_sht,
610 .flags = ATA_FLAG_SLAVE_POSS, 433 .flags = ATA_FLAG_SLAVE_POSS,
611 .pio_mask = 0x1f, 434 .pio_mask = 0x1f,
612 .mwdma_mask = 0x07, 435 .mwdma_mask = 0x07,
@@ -614,7 +437,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
614 .port_ops = &amd100_port_ops 437 .port_ops = &amd100_port_ops
615 }, 438 },
616 { /* 5: AMD 8111*/ 439 { /* 5: AMD 8111*/
617 .sht = &amd_sht,
618 .flags = ATA_FLAG_SLAVE_POSS, 440 .flags = ATA_FLAG_SLAVE_POSS,
619 .pio_mask = 0x1f, 441 .pio_mask = 0x1f,
620 .mwdma_mask = 0x07, 442 .mwdma_mask = 0x07,
@@ -622,7 +444,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
622 .port_ops = &amd133_port_ops 444 .port_ops = &amd133_port_ops
623 }, 445 },
624 { /* 6: AMD 8111 UDMA 100 (Serenade) */ 446 { /* 6: AMD 8111 UDMA 100 (Serenade) */
625 .sht = &amd_sht,
626 .flags = ATA_FLAG_SLAVE_POSS, 447 .flags = ATA_FLAG_SLAVE_POSS,
627 .pio_mask = 0x1f, 448 .pio_mask = 0x1f,
628 .mwdma_mask = 0x07, 449 .mwdma_mask = 0x07,
@@ -630,7 +451,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
630 .port_ops = &amd133_port_ops 451 .port_ops = &amd133_port_ops
631 }, 452 },
632 { /* 7: Nvidia Nforce */ 453 { /* 7: Nvidia Nforce */
633 .sht = &amd_sht,
634 .flags = ATA_FLAG_SLAVE_POSS, 454 .flags = ATA_FLAG_SLAVE_POSS,
635 .pio_mask = 0x1f, 455 .pio_mask = 0x1f,
636 .mwdma_mask = 0x07, 456 .mwdma_mask = 0x07,
@@ -638,7 +458,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
638 .port_ops = &nv100_port_ops 458 .port_ops = &nv100_port_ops
639 }, 459 },
640 { /* 8: Nvidia Nforce2 and later */ 460 { /* 8: Nvidia Nforce2 and later */
641 .sht = &amd_sht,
642 .flags = ATA_FLAG_SLAVE_POSS, 461 .flags = ATA_FLAG_SLAVE_POSS,
643 .pio_mask = 0x1f, 462 .pio_mask = 0x1f,
644 .mwdma_mask = 0x07, 463 .mwdma_mask = 0x07,
@@ -646,7 +465,6 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
646 .port_ops = &nv133_port_ops 465 .port_ops = &nv133_port_ops
647 }, 466 },
648 { /* 9: AMD CS5536 (Geode companion) */ 467 { /* 9: AMD CS5536 (Geode companion) */
649 .sht = &amd_sht,
650 .flags = ATA_FLAG_SLAVE_POSS, 468 .flags = ATA_FLAG_SLAVE_POSS,
651 .pio_mask = 0x1f, 469 .pio_mask = 0x1f,
652 .mwdma_mask = 0x07, 470 .mwdma_mask = 0x07,
@@ -654,15 +472,20 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
654 .port_ops = &amd100_port_ops 472 .port_ops = &amd100_port_ops
655 } 473 }
656 }; 474 };
657 struct ata_port_info pi; 475 const struct ata_port_info *ppi[] = { NULL, NULL };
658 const struct ata_port_info *ppi[] = { &pi, NULL };
659 static int printed_version; 476 static int printed_version;
660 int type = id->driver_data; 477 int type = id->driver_data;
478 void *hpriv = NULL;
661 u8 fifo; 479 u8 fifo;
480 int rc;
662 481
663 if (!printed_version++) 482 if (!printed_version++)
664 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); 483 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
665 484
485 rc = pcim_enable_device(pdev);
486 if (rc)
487 return rc;
488
666 pci_read_config_byte(pdev, 0x41, &fifo); 489 pci_read_config_byte(pdev, 0x41, &fifo);
667 490
668 /* Check for AMD7409 without swdma errata and if found adjust type */ 491 /* Check for AMD7409 without swdma errata and if found adjust type */
@@ -677,10 +500,10 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
677 /* 500 /*
678 * Okay, type is determined now. Apply type-specific workarounds. 501 * Okay, type is determined now. Apply type-specific workarounds.
679 */ 502 */
680 pi = info[type]; 503 ppi[0] = &info[type];
681 504
682 if (type < 3) 505 if (type < 3)
683 ata_pci_clear_simplex(pdev); 506 ata_pci_bmdma_clear_simplex(pdev);
684 507
685 /* Check for AMD7411 */ 508 /* Check for AMD7411 */
686 if (type == 3) 509 if (type == 3)
@@ -696,16 +519,23 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
696 u32 udma; 519 u32 udma;
697 520
698 pci_read_config_dword(pdev, 0x60, &udma); 521 pci_read_config_dword(pdev, 0x60, &udma);
699 pi.private_data = (void *)(unsigned long)udma; 522 hpriv = (void *)(unsigned long)udma;
700 } 523 }
701 524
702 /* And fire it up */ 525 /* And fire it up */
703 return ata_pci_init_one(pdev, ppi); 526 return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv);
704} 527}
705 528
706#ifdef CONFIG_PM 529#ifdef CONFIG_PM
707static int amd_reinit_one(struct pci_dev *pdev) 530static int amd_reinit_one(struct pci_dev *pdev)
708{ 531{
532 struct ata_host *host = dev_get_drvdata(&pdev->dev);
533 int rc;
534
535 rc = ata_pci_device_do_resume(pdev);
536 if (rc)
537 return rc;
538
709 if (pdev->vendor == PCI_VENDOR_ID_AMD) { 539 if (pdev->vendor == PCI_VENDOR_ID_AMD) {
710 u8 fifo; 540 u8 fifo;
711 pci_read_config_byte(pdev, 0x41, &fifo); 541 pci_read_config_byte(pdev, 0x41, &fifo);
@@ -716,9 +546,11 @@ static int amd_reinit_one(struct pci_dev *pdev)
716 pci_write_config_byte(pdev, 0x41, fifo | 0xF0); 546 pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
717 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 || 547 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
718 pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401) 548 pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
719 ata_pci_clear_simplex(pdev); 549 ata_pci_bmdma_clear_simplex(pdev);
720 } 550 }
721 return ata_pci_device_resume(pdev); 551
552 ata_host_resume(host);
553 return 0;
722} 554}
723#endif 555#endif
724 556
diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c
index d4218310327b..0f513bc11193 100644
--- a/drivers/ata/pata_artop.c
+++ b/drivers/ata/pata_artop.c
@@ -52,22 +52,7 @@ static int artop6210_pre_reset(struct ata_link *link, unsigned long deadline)
52 if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no])) 52 if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
53 return -ENOENT; 53 return -ENOENT;
54 54
55 return ata_std_prereset(link, deadline); 55 return ata_sff_prereset(link, deadline);
56}
57
58/**
59 * artop6210_error_handler - Probe specified port on PATA host controller
60 * @ap: Port to probe
61 *
62 * LOCKING:
63 * None (inherited from caller).
64 */
65
66static void artop6210_error_handler(struct ata_port *ap)
67{
68 ata_bmdma_drive_eh(ap, artop6210_pre_reset,
69 ata_std_softreset, NULL,
70 ata_std_postreset);
71} 56}
72 57
73/** 58/**
@@ -93,7 +78,7 @@ static int artop6260_pre_reset(struct ata_link *link, unsigned long deadline)
93 if (pdev->device % 1 && !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no])) 78 if (pdev->device % 1 && !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
94 return -ENOENT; 79 return -ENOENT;
95 80
96 return ata_std_prereset(link, deadline); 81 return ata_sff_prereset(link, deadline);
97} 82}
98 83
99/** 84/**
@@ -114,21 +99,6 @@ static int artop6260_cable_detect(struct ata_port *ap)
114} 99}
115 100
116/** 101/**
117 * artop6260_error_handler - Probe specified port on PATA host controller
118 * @ap: Port to probe
119 *
120 * LOCKING:
121 * None (inherited from caller).
122 */
123
124static void artop6260_error_handler(struct ata_port *ap)
125{
126 ata_bmdma_drive_eh(ap, artop6260_pre_reset,
127 ata_std_softreset, NULL,
128 ata_std_postreset);
129}
130
131/**
132 * artop6210_load_piomode - Load a set of PATA PIO timings 102 * artop6210_load_piomode - Load a set of PATA PIO timings
133 * @ap: Port whose timings we are configuring 103 * @ap: Port whose timings we are configuring
134 * @adev: Device 104 * @adev: Device
@@ -314,85 +284,23 @@ static void artop6260_set_dmamode (struct ata_port *ap, struct ata_device *adev)
314} 284}
315 285
316static struct scsi_host_template artop_sht = { 286static struct scsi_host_template artop_sht = {
317 .module = THIS_MODULE, 287 ATA_BMDMA_SHT(DRV_NAME),
318 .name = DRV_NAME,
319 .ioctl = ata_scsi_ioctl,
320 .queuecommand = ata_scsi_queuecmd,
321 .can_queue = ATA_DEF_QUEUE,
322 .this_id = ATA_SHT_THIS_ID,
323 .sg_tablesize = LIBATA_MAX_PRD,
324 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
325 .emulated = ATA_SHT_EMULATED,
326 .use_clustering = ATA_SHT_USE_CLUSTERING,
327 .proc_name = DRV_NAME,
328 .dma_boundary = ATA_DMA_BOUNDARY,
329 .slave_configure = ata_scsi_slave_config,
330 .slave_destroy = ata_scsi_slave_destroy,
331 .bios_param = ata_std_bios_param,
332}; 288};
333 289
334static const struct ata_port_operations artop6210_ops = { 290static struct ata_port_operations artop6210_ops = {
291 .inherits = &ata_bmdma_port_ops,
292 .cable_detect = ata_cable_40wire,
335 .set_piomode = artop6210_set_piomode, 293 .set_piomode = artop6210_set_piomode,
336 .set_dmamode = artop6210_set_dmamode, 294 .set_dmamode = artop6210_set_dmamode,
337 .mode_filter = ata_pci_default_filter, 295 .prereset = artop6210_pre_reset,
338
339 .tf_load = ata_tf_load,
340 .tf_read = ata_tf_read,
341 .check_status = ata_check_status,
342 .exec_command = ata_exec_command,
343 .dev_select = ata_std_dev_select,
344
345 .freeze = ata_bmdma_freeze,
346 .thaw = ata_bmdma_thaw,
347 .error_handler = artop6210_error_handler,
348 .post_internal_cmd = ata_bmdma_post_internal_cmd,
349 .cable_detect = ata_cable_40wire,
350
351 .bmdma_setup = ata_bmdma_setup,
352 .bmdma_start = ata_bmdma_start,
353 .bmdma_stop = ata_bmdma_stop,
354 .bmdma_status = ata_bmdma_status,
355 .qc_prep = ata_qc_prep,
356 .qc_issue = ata_qc_issue_prot,
357
358 .data_xfer = ata_data_xfer,
359
360 .irq_handler = ata_interrupt,
361 .irq_clear = ata_bmdma_irq_clear,
362 .irq_on = ata_irq_on,
363
364 .port_start = ata_sff_port_start,
365}; 296};
366 297
367static const struct ata_port_operations artop6260_ops = { 298static struct ata_port_operations artop6260_ops = {
299 .inherits = &ata_bmdma_port_ops,
300 .cable_detect = artop6260_cable_detect,
368 .set_piomode = artop6260_set_piomode, 301 .set_piomode = artop6260_set_piomode,
369 .set_dmamode = artop6260_set_dmamode, 302 .set_dmamode = artop6260_set_dmamode,
370 303 .prereset = artop6260_pre_reset,
371 .tf_load = ata_tf_load,
372 .tf_read = ata_tf_read,
373 .check_status = ata_check_status,
374 .exec_command = ata_exec_command,
375 .dev_select = ata_std_dev_select,
376
377 .freeze = ata_bmdma_freeze,
378 .thaw = ata_bmdma_thaw,
379 .error_handler = artop6260_error_handler,
380 .post_internal_cmd = ata_bmdma_post_internal_cmd,
381 .cable_detect = artop6260_cable_detect,
382
383 .bmdma_setup = ata_bmdma_setup,
384 .bmdma_start = ata_bmdma_start,
385 .bmdma_stop = ata_bmdma_stop,
386 .bmdma_status = ata_bmdma_status,
387 .qc_prep = ata_qc_prep,
388 .qc_issue = ata_qc_issue_prot,
389 .data_xfer = ata_data_xfer,
390
391 .irq_handler = ata_interrupt,
392 .irq_clear = ata_bmdma_irq_clear,
393 .irq_on = ata_irq_on,
394
395 .port_start = ata_sff_port_start,
396}; 304};
397 305
398 306
@@ -414,7 +322,6 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
414{ 322{
415 static int printed_version; 323 static int printed_version;
416 static const struct ata_port_info info_6210 = { 324 static const struct ata_port_info info_6210 = {
417 .sht = &artop_sht,
418 .flags = ATA_FLAG_SLAVE_POSS, 325 .flags = ATA_FLAG_SLAVE_POSS,
419 .pio_mask = 0x1f, /* pio0-4 */ 326 .pio_mask = 0x1f, /* pio0-4 */
420 .mwdma_mask = 0x07, /* mwdma0-2 */ 327 .mwdma_mask = 0x07, /* mwdma0-2 */
@@ -422,7 +329,6 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
422 .port_ops = &artop6210_ops, 329 .port_ops = &artop6210_ops,
423 }; 330 };
424 static const struct ata_port_info info_626x = { 331 static const struct ata_port_info info_626x = {
425 .sht = &artop_sht,
426 .flags = ATA_FLAG_SLAVE_POSS, 332 .flags = ATA_FLAG_SLAVE_POSS,
427 .pio_mask = 0x1f, /* pio0-4 */ 333 .pio_mask = 0x1f, /* pio0-4 */
428 .mwdma_mask = 0x07, /* mwdma0-2 */ 334 .mwdma_mask = 0x07, /* mwdma0-2 */
@@ -430,7 +336,6 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
430 .port_ops = &artop6260_ops, 336 .port_ops = &artop6260_ops,
431 }; 337 };
432 static const struct ata_port_info info_628x = { 338 static const struct ata_port_info info_628x = {
433 .sht = &artop_sht,
434 .flags = ATA_FLAG_SLAVE_POSS, 339 .flags = ATA_FLAG_SLAVE_POSS,
435 .pio_mask = 0x1f, /* pio0-4 */ 340 .pio_mask = 0x1f, /* pio0-4 */
436 .mwdma_mask = 0x07, /* mwdma0-2 */ 341 .mwdma_mask = 0x07, /* mwdma0-2 */
@@ -438,7 +343,6 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
438 .port_ops = &artop6260_ops, 343 .port_ops = &artop6260_ops,
439 }; 344 };
440 static const struct ata_port_info info_628x_fast = { 345 static const struct ata_port_info info_628x_fast = {
441 .sht = &artop_sht,
442 .flags = ATA_FLAG_SLAVE_POSS, 346 .flags = ATA_FLAG_SLAVE_POSS,
443 .pio_mask = 0x1f, /* pio0-4 */ 347 .pio_mask = 0x1f, /* pio0-4 */
444 .mwdma_mask = 0x07, /* mwdma0-2 */ 348 .mwdma_mask = 0x07, /* mwdma0-2 */
@@ -446,11 +350,16 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
446 .port_ops = &artop6260_ops, 350 .port_ops = &artop6260_ops,
447 }; 351 };
448 const struct ata_port_info *ppi[] = { NULL, NULL }; 352 const struct ata_port_info *ppi[] = { NULL, NULL };
353 int rc;
449 354
450 if (!printed_version++) 355 if (!printed_version++)
451 dev_printk(KERN_DEBUG, &pdev->dev, 356 dev_printk(KERN_DEBUG, &pdev->dev,
452 "version " DRV_VERSION "\n"); 357 "version " DRV_VERSION "\n");
453 358
359 rc = pcim_enable_device(pdev);
360 if (rc)
361 return rc;
362
454 if (id->driver_data == 0) { /* 6210 variant */ 363 if (id->driver_data == 0) { /* 6210 variant */
455 ppi[0] = &info_6210; 364 ppi[0] = &info_6210;
456 ppi[1] = &ata_dummy_port_info; 365 ppi[1] = &ata_dummy_port_info;
@@ -491,7 +400,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
491 400
492 BUG_ON(ppi[0] == NULL); 401 BUG_ON(ppi[0] == NULL);
493 402
494 return ata_pci_init_one(pdev, ppi); 403 return ata_pci_sff_init_one(pdev, ppi, &artop_sht, NULL);
495} 404}
496 405
497static const struct pci_device_id artop_pci_tbl[] = { 406static const struct pci_device_id artop_pci_tbl[] = {
diff --git a/drivers/ata/pata_at32.c b/drivers/ata/pata_at32.c
index db057b183d60..3e8651d78952 100644
--- a/drivers/ata/pata_at32.c
+++ b/drivers/ata/pata_at32.c
@@ -166,52 +166,14 @@ static void pata_at32_set_piomode(struct ata_port *ap, struct ata_device *adev)
166 } 166 }
167} 167}
168 168
169static void pata_at32_irq_clear(struct ata_port *ap)
170{
171 /* No DMA controller yet */
172}
173
174static struct scsi_host_template at32_sht = { 169static struct scsi_host_template at32_sht = {
175 .module = THIS_MODULE, 170 ATA_PIO_SHT(DRV_NAME),
176 .name = DRV_NAME,
177 .ioctl = ata_scsi_ioctl,
178 .queuecommand = ata_scsi_queuecmd,
179 .can_queue = ATA_DEF_QUEUE,
180 .this_id = ATA_SHT_THIS_ID,
181 .sg_tablesize = LIBATA_MAX_PRD,
182 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
183 .emulated = ATA_SHT_EMULATED,
184 .use_clustering = ATA_SHT_USE_CLUSTERING,
185 .proc_name = DRV_NAME,
186 .dma_boundary = ATA_DMA_BOUNDARY,
187 .slave_configure = ata_scsi_slave_config,
188 .slave_destroy = ata_scsi_slave_destroy,
189 .bios_param = ata_std_bios_param,
190}; 171};
191 172
192static struct ata_port_operations at32_port_ops = { 173static struct ata_port_operations at32_port_ops = {
193 .set_piomode = pata_at32_set_piomode, 174 .inherits = &ata_sff_port_ops,
194 .tf_load = ata_tf_load,
195 .tf_read = ata_tf_read,
196 .exec_command = ata_exec_command,
197 .check_status = ata_check_status,
198 .dev_select = ata_std_dev_select,
199
200 .freeze = ata_bmdma_freeze,
201 .thaw = ata_bmdma_thaw,
202 .error_handler = ata_bmdma_error_handler,
203 .post_internal_cmd = ata_bmdma_post_internal_cmd,
204 .cable_detect = ata_cable_40wire, 175 .cable_detect = ata_cable_40wire,
205 176 .set_piomode = pata_at32_set_piomode,
206 .qc_prep = ata_qc_prep,
207 .qc_issue = ata_qc_issue_prot,
208
209 .data_xfer = ata_data_xfer,
210
211 .irq_clear = pata_at32_irq_clear,
212 .irq_on = ata_irq_on,
213
214 .port_start = ata_sff_port_start,
215}; 177};
216 178
217static int __init pata_at32_init_one(struct device *dev, 179static int __init pata_at32_init_one(struct device *dev,
@@ -261,7 +223,7 @@ static int __init pata_at32_init_one(struct device *dev,
261 host->private_data = info; 223 host->private_data = info;
262 224
263 /* Register ATA device and return */ 225 /* Register ATA device and return */
264 return ata_host_activate(host, info->irq, ata_interrupt, 226 return ata_host_activate(host, info->irq, ata_sff_interrupt,
265 IRQF_SHARED | IRQF_TRIGGER_RISING, 227 IRQF_SHARED | IRQF_TRIGGER_RISING,
266 &at32_sht); 228 &at32_sht);
267} 229}
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index 408bdc1a9776..78738fb4223b 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -45,12 +45,7 @@ static int atiixp_pre_reset(struct ata_link *link, unsigned long deadline)
45 if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no])) 45 if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no]))
46 return -ENOENT; 46 return -ENOENT;
47 47
48 return ata_std_prereset(link, deadline); 48 return ata_sff_prereset(link, deadline);
49}
50
51static void atiixp_error_handler(struct ata_port *ap)
52{
53 ata_bmdma_drive_eh(ap, atiixp_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
54} 49}
55 50
56static int atiixp_cable_detect(struct ata_port *ap) 51static int atiixp_cable_detect(struct ata_port *ap)
@@ -221,60 +216,26 @@ static void atiixp_bmdma_stop(struct ata_queued_cmd *qc)
221} 216}
222 217
223static struct scsi_host_template atiixp_sht = { 218static struct scsi_host_template atiixp_sht = {
224 .module = THIS_MODULE, 219 ATA_BMDMA_SHT(DRV_NAME),
225 .name = DRV_NAME,
226 .ioctl = ata_scsi_ioctl,
227 .queuecommand = ata_scsi_queuecmd,
228 .can_queue = ATA_DEF_QUEUE,
229 .this_id = ATA_SHT_THIS_ID,
230 .sg_tablesize = LIBATA_DUMB_MAX_PRD, 220 .sg_tablesize = LIBATA_DUMB_MAX_PRD,
231 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
232 .emulated = ATA_SHT_EMULATED,
233 .use_clustering = ATA_SHT_USE_CLUSTERING,
234 .proc_name = DRV_NAME,
235 .dma_boundary = ATA_DMA_BOUNDARY,
236 .slave_configure = ata_scsi_slave_config,
237 .slave_destroy = ata_scsi_slave_destroy,
238 .bios_param = ata_std_bios_param,
239}; 221};
240 222
241static struct ata_port_operations atiixp_port_ops = { 223static struct ata_port_operations atiixp_port_ops = {
242 .set_piomode = atiixp_set_piomode, 224 .inherits = &ata_bmdma_port_ops,
243 .set_dmamode = atiixp_set_dmamode,
244 .mode_filter = ata_pci_default_filter,
245 .tf_load = ata_tf_load,
246 .tf_read = ata_tf_read,
247 .check_status = ata_check_status,
248 .exec_command = ata_exec_command,
249 .dev_select = ata_std_dev_select,
250
251 .freeze = ata_bmdma_freeze,
252 .thaw = ata_bmdma_thaw,
253 .error_handler = atiixp_error_handler,
254 .post_internal_cmd = ata_bmdma_post_internal_cmd,
255 .cable_detect = atiixp_cable_detect,
256 225
257 .bmdma_setup = ata_bmdma_setup, 226 .qc_prep = ata_sff_dumb_qc_prep,
258 .bmdma_start = atiixp_bmdma_start, 227 .bmdma_start = atiixp_bmdma_start,
259 .bmdma_stop = atiixp_bmdma_stop, 228 .bmdma_stop = atiixp_bmdma_stop,
260 .bmdma_status = ata_bmdma_status,
261 229
262 .qc_prep = ata_dumb_qc_prep, 230 .cable_detect = atiixp_cable_detect,
263 .qc_issue = ata_qc_issue_prot, 231 .set_piomode = atiixp_set_piomode,
264 232 .set_dmamode = atiixp_set_dmamode,
265 .data_xfer = ata_data_xfer, 233 .prereset = atiixp_pre_reset,
266
267 .irq_handler = ata_interrupt,
268 .irq_clear = ata_bmdma_irq_clear,
269 .irq_on = ata_irq_on,
270
271 .port_start = ata_sff_port_start,
272}; 234};
273 235
274static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id) 236static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id)
275{ 237{
276 static const struct ata_port_info info = { 238 static const struct ata_port_info info = {
277 .sht = &atiixp_sht,
278 .flags = ATA_FLAG_SLAVE_POSS, 239 .flags = ATA_FLAG_SLAVE_POSS,
279 .pio_mask = 0x1f, 240 .pio_mask = 0x1f,
280 .mwdma_mask = 0x06, /* No MWDMA0 support */ 241 .mwdma_mask = 0x06, /* No MWDMA0 support */
@@ -282,7 +243,7 @@ static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id)
282 .port_ops = &atiixp_port_ops 243 .port_ops = &atiixp_port_ops
283 }; 244 };
284 const struct ata_port_info *ppi[] = { &info, NULL }; 245 const struct ata_port_info *ppi[] = { &info, NULL };
285 return ata_pci_init_one(dev, ppi); 246 return ata_pci_sff_init_one(dev, ppi, &atiixp_sht, NULL);
286} 247}
287 248
288static const struct pci_device_id atiixp[] = { 249static const struct pci_device_id atiixp[] = {
diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c
index 7f87f105c2f6..0a5ad98635b1 100644
--- a/drivers/ata/pata_bf54x.c
+++ b/drivers/ata/pata_bf54x.c
@@ -674,7 +674,7 @@ static void read_atapi_data(void __iomem *base,
674 * @ap: Port to which output is sent 674 * @ap: Port to which output is sent
675 * @tf: ATA taskfile register set 675 * @tf: ATA taskfile register set
676 * 676 *
677 * Note: Original code is ata_tf_load(). 677 * Note: Original code is ata_sff_tf_load().
678 */ 678 */
679 679
680static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) 680static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
@@ -745,7 +745,7 @@ static u8 bfin_check_status(struct ata_port *ap)
745 * @ap: Port from which input is read 745 * @ap: Port from which input is read
746 * @tf: ATA taskfile register set for storing input 746 * @tf: ATA taskfile register set for storing input
747 * 747 *
748 * Note: Original code is ata_tf_read(). 748 * Note: Original code is ata_sff_tf_read().
749 */ 749 */
750 750
751static void bfin_tf_read(struct ata_port *ap, struct ata_taskfile *tf) 751static void bfin_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
@@ -775,7 +775,7 @@ static void bfin_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
775 * @ap: port to which command is being issued 775 * @ap: port to which command is being issued
776 * @tf: ATA taskfile register set 776 * @tf: ATA taskfile register set
777 * 777 *
778 * Note: Original code is ata_exec_command(). 778 * Note: Original code is ata_sff_exec_command().
779 */ 779 */
780 780
781static void bfin_exec_command(struct ata_port *ap, 781static void bfin_exec_command(struct ata_port *ap,
@@ -785,7 +785,7 @@ static void bfin_exec_command(struct ata_port *ap,
785 dev_dbg(ap->dev, "ata%u: cmd 0x%X\n", ap->print_id, tf->command); 785 dev_dbg(ap->dev, "ata%u: cmd 0x%X\n", ap->print_id, tf->command);
786 786
787 write_atapi_register(base, ATA_REG_CMD, tf->command); 787 write_atapi_register(base, ATA_REG_CMD, tf->command);
788 ata_pause(ap); 788 ata_sff_pause(ap);
789} 789}
790 790
791/** 791/**
@@ -800,14 +800,14 @@ static u8 bfin_check_altstatus(struct ata_port *ap)
800} 800}
801 801
802/** 802/**
803 * bfin_std_dev_select - Select device 0/1 on ATA bus 803 * bfin_dev_select - Select device 0/1 on ATA bus
804 * @ap: ATA channel to manipulate 804 * @ap: ATA channel to manipulate
805 * @device: ATA device (numbered from zero) to select 805 * @device: ATA device (numbered from zero) to select
806 * 806 *
807 * Note: Original code is ata_std_dev_select(). 807 * Note: Original code is ata_sff_dev_select().
808 */ 808 */
809 809
810static void bfin_std_dev_select(struct ata_port *ap, unsigned int device) 810static void bfin_dev_select(struct ata_port *ap, unsigned int device)
811{ 811{
812 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; 812 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
813 u8 tmp; 813 u8 tmp;
@@ -818,7 +818,7 @@ static void bfin_std_dev_select(struct ata_port *ap, unsigned int device)
818 tmp = ATA_DEVICE_OBS | ATA_DEV1; 818 tmp = ATA_DEVICE_OBS | ATA_DEV1;
819 819
820 write_atapi_register(base, ATA_REG_DEVICE, tmp); 820 write_atapi_register(base, ATA_REG_DEVICE, tmp);
821 ata_pause(ap); 821 ata_sff_pause(ap);
822} 822}
823 823
824/** 824/**
@@ -977,7 +977,7 @@ static unsigned int bfin_devchk(struct ata_port *ap,
977 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; 977 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
978 u8 nsect, lbal; 978 u8 nsect, lbal;
979 979
980 bfin_std_dev_select(ap, device); 980 bfin_dev_select(ap, device);
981 981
982 write_atapi_register(base, ATA_REG_NSECT, 0x55); 982 write_atapi_register(base, ATA_REG_NSECT, 0x55);
983 write_atapi_register(base, ATA_REG_LBAL, 0xaa); 983 write_atapi_register(base, ATA_REG_LBAL, 0xaa);
@@ -1014,7 +1014,7 @@ static void bfin_bus_post_reset(struct ata_port *ap, unsigned int devmask)
1014 * BSY bit to clear 1014 * BSY bit to clear
1015 */ 1015 */
1016 if (dev0) 1016 if (dev0)
1017 ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT); 1017 ata_sff_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
1018 1018
1019 /* if device 1 was found in ata_devchk, wait for 1019 /* if device 1 was found in ata_devchk, wait for
1020 * register access, then wait for BSY to clear 1020 * register access, then wait for BSY to clear
@@ -1023,7 +1023,7 @@ static void bfin_bus_post_reset(struct ata_port *ap, unsigned int devmask)
1023 while (dev1) { 1023 while (dev1) {
1024 u8 nsect, lbal; 1024 u8 nsect, lbal;
1025 1025
1026 bfin_std_dev_select(ap, 1); 1026 bfin_dev_select(ap, 1);
1027 nsect = read_atapi_register(base, ATA_REG_NSECT); 1027 nsect = read_atapi_register(base, ATA_REG_NSECT);
1028 lbal = read_atapi_register(base, ATA_REG_LBAL); 1028 lbal = read_atapi_register(base, ATA_REG_LBAL);
1029 if ((nsect == 1) && (lbal == 1)) 1029 if ((nsect == 1) && (lbal == 1))
@@ -1035,14 +1035,14 @@ static void bfin_bus_post_reset(struct ata_port *ap, unsigned int devmask)
1035 msleep(50); /* give drive a breather */ 1035 msleep(50); /* give drive a breather */
1036 } 1036 }
1037 if (dev1) 1037 if (dev1)
1038 ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT); 1038 ata_sff_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
1039 1039
1040 /* is all this really necessary? */ 1040 /* is all this really necessary? */
1041 bfin_std_dev_select(ap, 0); 1041 bfin_dev_select(ap, 0);
1042 if (dev1) 1042 if (dev1)
1043 bfin_std_dev_select(ap, 1); 1043 bfin_dev_select(ap, 1);
1044 if (dev0) 1044 if (dev0)
1045 bfin_std_dev_select(ap, 0); 1045 bfin_dev_select(ap, 0);
1046} 1046}
1047 1047
1048/** 1048/**
@@ -1088,26 +1088,21 @@ static unsigned int bfin_bus_softreset(struct ata_port *ap,
1088} 1088}
1089 1089
1090/** 1090/**
1091 * bfin_std_softreset - reset host port via ATA SRST 1091 * bfin_softreset - reset host port via ATA SRST
1092 * @ap: port to reset 1092 * @ap: port to reset
1093 * @classes: resulting classes of attached devices 1093 * @classes: resulting classes of attached devices
1094 * 1094 *
1095 * Note: Original code is ata_std_softreset(). 1095 * Note: Original code is ata_sff_softreset().
1096 */ 1096 */
1097 1097
1098static int bfin_std_softreset(struct ata_link *link, unsigned int *classes, 1098static int bfin_softreset(struct ata_link *link, unsigned int *classes,
1099 unsigned long deadline) 1099 unsigned long deadline)
1100{ 1100{
1101 struct ata_port *ap = link->ap; 1101 struct ata_port *ap = link->ap;
1102 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS; 1102 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
1103 unsigned int devmask = 0, err_mask; 1103 unsigned int devmask = 0, err_mask;
1104 u8 err; 1104 u8 err;
1105 1105
1106 if (ata_link_offline(link)) {
1107 classes[0] = ATA_DEV_NONE;
1108 goto out;
1109 }
1110
1111 /* determine if device 0/1 are present */ 1106 /* determine if device 0/1 are present */
1112 if (bfin_devchk(ap, 0)) 1107 if (bfin_devchk(ap, 0))
1113 devmask |= (1 << 0); 1108 devmask |= (1 << 0);
@@ -1115,7 +1110,7 @@ static int bfin_std_softreset(struct ata_link *link, unsigned int *classes,
1115 devmask |= (1 << 1); 1110 devmask |= (1 << 1);
1116 1111
1117 /* select device 0 again */ 1112 /* select device 0 again */
1118 bfin_std_dev_select(ap, 0); 1113 bfin_dev_select(ap, 0);
1119 1114
1120 /* issue bus reset */ 1115 /* issue bus reset */
1121 err_mask = bfin_bus_softreset(ap, devmask); 1116 err_mask = bfin_bus_softreset(ap, devmask);
@@ -1126,13 +1121,12 @@ static int bfin_std_softreset(struct ata_link *link, unsigned int *classes,
1126 } 1121 }
1127 1122
1128 /* determine by signature whether we have ATA or ATAPI devices */ 1123 /* determine by signature whether we have ATA or ATAPI devices */
1129 classes[0] = ata_dev_try_classify(&ap->link.device[0], 1124 classes[0] = ata_sff_dev_classify(&ap->link.device[0],
1130 devmask & (1 << 0), &err); 1125 devmask & (1 << 0), &err);
1131 if (slave_possible && err != 0x81) 1126 if (slave_possible && err != 0x81)
1132 classes[1] = ata_dev_try_classify(&ap->link.device[1], 1127 classes[1] = ata_sff_dev_classify(&ap->link.device[1],
1133 devmask & (1 << 1), &err); 1128 devmask & (1 << 1), &err);
1134 1129
1135 out:
1136 return 0; 1130 return 0;
1137} 1131}
1138 1132
@@ -1167,7 +1161,7 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
1167 * @buflen: buffer length 1161 * @buflen: buffer length
1168 * @write_data: read/write 1162 * @write_data: read/write
1169 * 1163 *
1170 * Note: Original code is ata_data_xfer(). 1164 * Note: Original code is ata_sff_data_xfer().
1171 */ 1165 */
1172 1166
1173static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf, 1167static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf,
@@ -1206,7 +1200,7 @@ static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf,
1206 * bfin_irq_clear - Clear ATAPI interrupt. 1200 * bfin_irq_clear - Clear ATAPI interrupt.
1207 * @ap: Port associated with this ATA transaction. 1201 * @ap: Port associated with this ATA transaction.
1208 * 1202 *
1209 * Note: Original code is ata_bmdma_irq_clear(). 1203 * Note: Original code is ata_sff_irq_clear().
1210 */ 1204 */
1211 1205
1212static void bfin_irq_clear(struct ata_port *ap) 1206static void bfin_irq_clear(struct ata_port *ap)
@@ -1223,7 +1217,7 @@ static void bfin_irq_clear(struct ata_port *ap)
1223 * bfin_irq_on - Enable interrupts on a port. 1217 * bfin_irq_on - Enable interrupts on a port.
1224 * @ap: Port on which interrupts are enabled. 1218 * @ap: Port on which interrupts are enabled.
1225 * 1219 *
1226 * Note: Original code is ata_irq_on(). 1220 * Note: Original code is ata_sff_irq_on().
1227 */ 1221 */
1228 1222
1229static unsigned char bfin_irq_on(struct ata_port *ap) 1223static unsigned char bfin_irq_on(struct ata_port *ap)
@@ -1244,13 +1238,13 @@ static unsigned char bfin_irq_on(struct ata_port *ap)
1244} 1238}
1245 1239
1246/** 1240/**
1247 * bfin_bmdma_freeze - Freeze DMA controller port 1241 * bfin_freeze - Freeze DMA controller port
1248 * @ap: port to freeze 1242 * @ap: port to freeze
1249 * 1243 *
1250 * Note: Original code is ata_bmdma_freeze(). 1244 * Note: Original code is ata_sff_freeze().
1251 */ 1245 */
1252 1246
1253static void bfin_bmdma_freeze(struct ata_port *ap) 1247static void bfin_freeze(struct ata_port *ap)
1254{ 1248{
1255 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; 1249 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
1256 1250
@@ -1264,19 +1258,19 @@ static void bfin_bmdma_freeze(struct ata_port *ap)
1264 * ATA_NIEN manipulation. Also, many controllers fail to mask 1258 * ATA_NIEN manipulation. Also, many controllers fail to mask
1265 * previously pending IRQ on ATA_NIEN assertion. Clear it. 1259 * previously pending IRQ on ATA_NIEN assertion. Clear it.
1266 */ 1260 */
1267 ata_chk_status(ap); 1261 ap->ops->sff_check_status(ap);
1268 1262
1269 bfin_irq_clear(ap); 1263 bfin_irq_clear(ap);
1270} 1264}
1271 1265
1272/** 1266/**
1273 * bfin_bmdma_thaw - Thaw DMA controller port 1267 * bfin_thaw - Thaw DMA controller port
1274 * @ap: port to thaw 1268 * @ap: port to thaw
1275 * 1269 *
1276 * Note: Original code is ata_bmdma_thaw(). 1270 * Note: Original code is ata_sff_thaw().
1277 */ 1271 */
1278 1272
1279void bfin_bmdma_thaw(struct ata_port *ap) 1273void bfin_thaw(struct ata_port *ap)
1280{ 1274{
1281 bfin_check_status(ap); 1275 bfin_check_status(ap);
1282 bfin_irq_clear(ap); 1276 bfin_irq_clear(ap);
@@ -1284,14 +1278,14 @@ void bfin_bmdma_thaw(struct ata_port *ap)
1284} 1278}
1285 1279
1286/** 1280/**
1287 * bfin_std_postreset - standard postreset callback 1281 * bfin_postreset - standard postreset callback
1288 * @ap: the target ata_port 1282 * @ap: the target ata_port
1289 * @classes: classes of attached devices 1283 * @classes: classes of attached devices
1290 * 1284 *
1291 * Note: Original code is ata_std_postreset(). 1285 * Note: Original code is ata_sff_postreset().
1292 */ 1286 */
1293 1287
1294static void bfin_std_postreset(struct ata_link *link, unsigned int *classes) 1288static void bfin_postreset(struct ata_link *link, unsigned int *classes)
1295{ 1289{
1296 struct ata_port *ap = link->ap; 1290 struct ata_port *ap = link->ap;
1297 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; 1291 void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
@@ -1301,9 +1295,9 @@ static void bfin_std_postreset(struct ata_link *link, unsigned int *classes)
1301 1295
1302 /* is double-select really necessary? */ 1296 /* is double-select really necessary? */
1303 if (classes[0] != ATA_DEV_NONE) 1297 if (classes[0] != ATA_DEV_NONE)
1304 bfin_std_dev_select(ap, 1); 1298 bfin_dev_select(ap, 1);
1305 if (classes[1] != ATA_DEV_NONE) 1299 if (classes[1] != ATA_DEV_NONE)
1306 bfin_std_dev_select(ap, 0); 1300 bfin_dev_select(ap, 0);
1307 1301
1308 /* bail out if no device is present */ 1302 /* bail out if no device is present */
1309 if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) { 1303 if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) {
@@ -1314,17 +1308,6 @@ static void bfin_std_postreset(struct ata_link *link, unsigned int *classes)
1314 write_atapi_register(base, ATA_REG_CTRL, ap->ctl); 1308 write_atapi_register(base, ATA_REG_CTRL, ap->ctl);
1315} 1309}
1316 1310
1317/**
1318 * bfin_error_handler - Stock error handler for DMA controller
1319 * @ap: port to handle error for
1320 */
1321
1322static void bfin_error_handler(struct ata_port *ap)
1323{
1324 ata_bmdma_drive_eh(ap, ata_std_prereset, bfin_std_softreset, NULL,
1325 bfin_std_postreset);
1326}
1327
1328static void bfin_port_stop(struct ata_port *ap) 1311static void bfin_port_stop(struct ata_port *ap)
1329{ 1312{
1330 dev_dbg(ap->dev, "in atapi port stop\n"); 1313 dev_dbg(ap->dev, "in atapi port stop\n");
@@ -1357,51 +1340,40 @@ static int bfin_port_start(struct ata_port *ap)
1357} 1340}
1358 1341
1359static struct scsi_host_template bfin_sht = { 1342static struct scsi_host_template bfin_sht = {
1360 .module = THIS_MODULE, 1343 ATA_BASE_SHT(DRV_NAME),
1361 .name = DRV_NAME,
1362 .ioctl = ata_scsi_ioctl,
1363 .queuecommand = ata_scsi_queuecmd,
1364 .can_queue = ATA_DEF_QUEUE,
1365 .this_id = ATA_SHT_THIS_ID,
1366 .sg_tablesize = SG_NONE, 1344 .sg_tablesize = SG_NONE,
1367 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
1368 .emulated = ATA_SHT_EMULATED,
1369 .use_clustering = ATA_SHT_USE_CLUSTERING,
1370 .proc_name = DRV_NAME,
1371 .dma_boundary = ATA_DMA_BOUNDARY, 1345 .dma_boundary = ATA_DMA_BOUNDARY,
1372 .slave_configure = ata_scsi_slave_config,
1373 .slave_destroy = ata_scsi_slave_destroy,
1374 .bios_param = ata_std_bios_param,
1375}; 1346};
1376 1347
1377static const struct ata_port_operations bfin_pata_ops = { 1348static const struct ata_port_operations bfin_pata_ops = {
1349 .inherits = &ata_sff_port_ops,
1350
1378 .set_piomode = bfin_set_piomode, 1351 .set_piomode = bfin_set_piomode,
1379 .set_dmamode = bfin_set_dmamode, 1352 .set_dmamode = bfin_set_dmamode,
1380 1353
1381 .tf_load = bfin_tf_load, 1354 .sff_tf_load = bfin_tf_load,
1382 .tf_read = bfin_tf_read, 1355 .sff_tf_read = bfin_tf_read,
1383 .exec_command = bfin_exec_command, 1356 .sff_exec_command = bfin_exec_command,
1384 .check_status = bfin_check_status, 1357 .sff_check_status = bfin_check_status,
1385 .check_altstatus = bfin_check_altstatus, 1358 .sff_check_altstatus = bfin_check_altstatus,
1386 .dev_select = bfin_std_dev_select, 1359 .sff_dev_select = bfin_dev_select,
1387 1360
1388 .bmdma_setup = bfin_bmdma_setup, 1361 .bmdma_setup = bfin_bmdma_setup,
1389 .bmdma_start = bfin_bmdma_start, 1362 .bmdma_start = bfin_bmdma_start,
1390 .bmdma_stop = bfin_bmdma_stop, 1363 .bmdma_stop = bfin_bmdma_stop,
1391 .bmdma_status = bfin_bmdma_status, 1364 .bmdma_status = bfin_bmdma_status,
1392 .data_xfer = bfin_data_xfer, 1365 .sff_data_xfer = bfin_data_xfer,
1393 1366
1394 .qc_prep = ata_noop_qc_prep, 1367 .qc_prep = ata_noop_qc_prep,
1395 .qc_issue = ata_qc_issue_prot,
1396 1368
1397 .freeze = bfin_bmdma_freeze, 1369 .freeze = bfin_freeze,
1398 .thaw = bfin_bmdma_thaw, 1370 .thaw = bfin_thaw,
1399 .error_handler = bfin_error_handler, 1371 .softreset = bfin_softreset,
1372 .postreset = bfin_postreset,
1400 .post_internal_cmd = bfin_bmdma_stop, 1373 .post_internal_cmd = bfin_bmdma_stop,
1401 1374
1402 .irq_handler = ata_interrupt, 1375 .sff_irq_clear = bfin_irq_clear,
1403 .irq_clear = bfin_irq_clear, 1376 .sff_irq_on = bfin_irq_on,
1404 .irq_on = bfin_irq_on,
1405 1377
1406 .port_start = bfin_port_start, 1378 .port_start = bfin_port_start,
1407 .port_stop = bfin_port_stop, 1379 .port_stop = bfin_port_stop,
@@ -1409,7 +1381,6 @@ static const struct ata_port_operations bfin_pata_ops = {
1409 1381
1410static struct ata_port_info bfin_port_info[] = { 1382static struct ata_port_info bfin_port_info[] = {
1411 { 1383 {
1412 .sht = &bfin_sht,
1413 .flags = ATA_FLAG_SLAVE_POSS 1384 .flags = ATA_FLAG_SLAVE_POSS
1414 | ATA_FLAG_MMIO 1385 | ATA_FLAG_MMIO
1415 | ATA_FLAG_NO_LEGACY, 1386 | ATA_FLAG_NO_LEGACY,
@@ -1536,7 +1507,7 @@ static int __devinit bfin_atapi_probe(struct platform_device *pdev)
1536 } 1507 }
1537 1508
1538 if (ata_host_activate(host, platform_get_irq(pdev, 0), 1509 if (ata_host_activate(host, platform_get_irq(pdev, 0),
1539 ata_interrupt, IRQF_SHARED, &bfin_sht) != 0) { 1510 ata_sff_interrupt, IRQF_SHARED, &bfin_sht) != 0) {
1540 peripheral_free_list(atapi_io_port); 1511 peripheral_free_list(atapi_io_port);
1541 dev_err(&pdev->dev, "Fail to attach ATAPI device\n"); 1512 dev_err(&pdev->dev, "Fail to attach ATAPI device\n");
1542 return -ENODEV; 1513 return -ENODEV;
diff --git a/drivers/ata/pata_cmd640.c b/drivers/ata/pata_cmd640.c
index 43d198f90968..2de30b990278 100644
--- a/drivers/ata/pata_cmd640.c
+++ b/drivers/ata/pata_cmd640.c
@@ -107,8 +107,8 @@ static void cmd640_set_piomode(struct ata_port *ap, struct ata_device *adev)
107 pci_write_config_byte(pdev, arttim + 1, (t.active << 4) | t.recover); 107 pci_write_config_byte(pdev, arttim + 1, (t.active << 4) | t.recover);
108 } else { 108 } else {
109 /* Save the shared timings for channel, they will be loaded 109 /* Save the shared timings for channel, they will be loaded
110 by qc_issue_prot. Reloading the setup time is expensive 110 by qc_issue. Reloading the setup time is expensive so we
111 so we keep a merged one loaded */ 111 keep a merged one loaded */
112 pci_read_config_byte(pdev, ARTIM23, &reg); 112 pci_read_config_byte(pdev, ARTIM23, &reg);
113 reg &= 0x3F; 113 reg &= 0x3F;
114 reg |= t.setup; 114 reg |= t.setup;
@@ -119,14 +119,14 @@ static void cmd640_set_piomode(struct ata_port *ap, struct ata_device *adev)
119 119
120 120
121/** 121/**
122 * cmd640_qc_issue_prot - command preparation hook 122 * cmd640_qc_issue - command preparation hook
123 * @qc: Command to be issued 123 * @qc: Command to be issued
124 * 124 *
125 * Channel 1 has shared timings. We must reprogram the 125 * Channel 1 has shared timings. We must reprogram the
126 * clock each drive 2/3 switch we do. 126 * clock each drive 2/3 switch we do.
127 */ 127 */
128 128
129static unsigned int cmd640_qc_issue_prot(struct ata_queued_cmd *qc) 129static unsigned int cmd640_qc_issue(struct ata_queued_cmd *qc)
130{ 130{
131 struct ata_port *ap = qc->ap; 131 struct ata_port *ap = qc->ap;
132 struct ata_device *adev = qc->dev; 132 struct ata_device *adev = qc->dev;
@@ -137,7 +137,7 @@ static unsigned int cmd640_qc_issue_prot(struct ata_queued_cmd *qc)
137 pci_write_config_byte(pdev, DRWTIM23, timing->reg58[adev->devno]); 137 pci_write_config_byte(pdev, DRWTIM23, timing->reg58[adev->devno]);
138 timing->last = adev->devno; 138 timing->last = adev->devno;
139 } 139 }
140 return ata_qc_issue_prot(qc); 140 return ata_sff_qc_issue(qc);
141} 141}
142 142
143/** 143/**
@@ -166,53 +166,16 @@ static int cmd640_port_start(struct ata_port *ap)
166} 166}
167 167
168static struct scsi_host_template cmd640_sht = { 168static struct scsi_host_template cmd640_sht = {
169 .module = THIS_MODULE, 169 ATA_BMDMA_SHT(DRV_NAME),
170 .name = DRV_NAME,
171 .ioctl = ata_scsi_ioctl,
172 .queuecommand = ata_scsi_queuecmd,
173 .can_queue = ATA_DEF_QUEUE,
174 .this_id = ATA_SHT_THIS_ID,
175 .sg_tablesize = LIBATA_MAX_PRD,
176 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
177 .emulated = ATA_SHT_EMULATED,
178 .use_clustering = ATA_SHT_USE_CLUSTERING,
179 .proc_name = DRV_NAME,
180 .dma_boundary = ATA_DMA_BOUNDARY,
181 .slave_configure = ata_scsi_slave_config,
182 .slave_destroy = ata_scsi_slave_destroy,
183 .bios_param = ata_std_bios_param,
184}; 170};
185 171
186static struct ata_port_operations cmd640_port_ops = { 172static struct ata_port_operations cmd640_port_ops = {
187 .set_piomode = cmd640_set_piomode, 173 .inherits = &ata_bmdma_port_ops,
188 .mode_filter = ata_pci_default_filter, 174 /* In theory xfer_noirq is not needed once we kill the prefetcher */
189 .tf_load = ata_tf_load, 175 .sff_data_xfer = ata_sff_data_xfer_noirq,
190 .tf_read = ata_tf_read, 176 .qc_issue = cmd640_qc_issue,
191 .check_status = ata_check_status,
192 .exec_command = ata_exec_command,
193 .dev_select = ata_std_dev_select,
194
195 .freeze = ata_bmdma_freeze,
196 .thaw = ata_bmdma_thaw,
197 .error_handler = ata_bmdma_error_handler,
198 .post_internal_cmd = ata_bmdma_post_internal_cmd,
199 .cable_detect = ata_cable_40wire, 177 .cable_detect = ata_cable_40wire,
200 178 .set_piomode = cmd640_set_piomode,
201 .bmdma_setup = ata_bmdma_setup,
202 .bmdma_start = ata_bmdma_start,
203 .bmdma_stop = ata_bmdma_stop,
204 .bmdma_status = ata_bmdma_status,
205
206 .qc_prep = ata_qc_prep,
207 .qc_issue = cmd640_qc_issue_prot,
208
209 /* In theory this is not needed once we kill the prefetcher */
210 .data_xfer = ata_data_xfer_noirq,
211
212 .irq_handler = ata_interrupt,
213 .irq_clear = ata_bmdma_irq_clear,
214 .irq_on = ata_irq_on,
215
216 .port_start = cmd640_port_start, 179 .port_start = cmd640_port_start,
217}; 180};
218 181
@@ -248,26 +211,36 @@ static void cmd640_hardware_init(struct pci_dev *pdev)
248static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 211static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
249{ 212{
250 static const struct ata_port_info info = { 213 static const struct ata_port_info info = {
251 .sht = &cmd640_sht,
252 .flags = ATA_FLAG_SLAVE_POSS, 214 .flags = ATA_FLAG_SLAVE_POSS,
253 .pio_mask = 0x1f, 215 .pio_mask = 0x1f,
254 .port_ops = &cmd640_port_ops 216 .port_ops = &cmd640_port_ops
255 }; 217 };
256 const struct ata_port_info *ppi[] = { &info, NULL }; 218 const struct ata_port_info *ppi[] = { &info, NULL };
219 int rc;
220
221 rc = pcim_enable_device(pdev);
222 if (rc)
223 return rc;
257 224
258 cmd640_hardware_init(pdev); 225 cmd640_hardware_init(pdev);
259 return ata_pci_init_one(pdev, ppi); 226
227 return ata_pci_sff_init_one(pdev, ppi, &cmd640_sht, NULL);
260} 228}
261 229
230#ifdef CONFIG_PM
262static int cmd640_reinit_one(struct pci_dev *pdev) 231static int cmd640_reinit_one(struct pci_dev *pdev)
263{ 232{
233 struct ata_host *host = dev_get_drvdata(&pdev->dev);
234 int rc;
235
236 rc = ata_pci_device_do_resume(pdev);
237 if (rc)
238 return rc;
264 cmd640_hardware_init(pdev); 239 cmd640_hardware_init(pdev);
265#ifdef CONFIG_PM 240 ata_host_resume(host);
266 return ata_pci_device_resume(pdev);
267#else
268 return 0; 241 return 0;
269#endif
270} 242}
243#endif
271 244
272static const struct pci_device_id cmd640[] = { 245static const struct pci_device_id cmd640[] = {
273 { PCI_VDEVICE(CMD, 0x640), 0 }, 246 { PCI_VDEVICE(CMD, 0x640), 0 },
@@ -281,8 +254,8 @@ static struct pci_driver cmd640_pci_driver = {
281 .remove = ata_pci_remove_one, 254 .remove = ata_pci_remove_one,
282#ifdef CONFIG_PM 255#ifdef CONFIG_PM
283 .suspend = ata_pci_device_suspend, 256 .suspend = ata_pci_device_suspend,
284#endif
285 .resume = cmd640_reinit_one, 257 .resume = cmd640_reinit_one,
258#endif
286}; 259};
287 260
288static int __init cmd640_init(void) 261static int __init cmd640_init(void)
diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c
index 7acbbd9ee469..ddd09b7d98c9 100644
--- a/drivers/ata/pata_cmd64x.c
+++ b/drivers/ata/pata_cmd64x.c
@@ -266,120 +266,30 @@ static void cmd646r1_bmdma_stop(struct ata_queued_cmd *qc)
266} 266}
267 267
268static struct scsi_host_template cmd64x_sht = { 268static struct scsi_host_template cmd64x_sht = {
269 .module = THIS_MODULE, 269 ATA_BMDMA_SHT(DRV_NAME),
270 .name = DRV_NAME,
271 .ioctl = ata_scsi_ioctl,
272 .queuecommand = ata_scsi_queuecmd,
273 .can_queue = ATA_DEF_QUEUE,
274 .this_id = ATA_SHT_THIS_ID,
275 .sg_tablesize = LIBATA_MAX_PRD,
276 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
277 .emulated = ATA_SHT_EMULATED,
278 .use_clustering = ATA_SHT_USE_CLUSTERING,
279 .proc_name = DRV_NAME,
280 .dma_boundary = ATA_DMA_BOUNDARY,
281 .slave_configure = ata_scsi_slave_config,
282 .slave_destroy = ata_scsi_slave_destroy,
283 .bios_param = ata_std_bios_param,
284}; 270};
285 271
286static struct ata_port_operations cmd64x_port_ops = { 272static const struct ata_port_operations cmd64x_base_ops = {
273 .inherits = &ata_bmdma_port_ops,
287 .set_piomode = cmd64x_set_piomode, 274 .set_piomode = cmd64x_set_piomode,
288 .set_dmamode = cmd64x_set_dmamode, 275 .set_dmamode = cmd64x_set_dmamode,
289 .mode_filter = ata_pci_default_filter,
290 .tf_load = ata_tf_load,
291 .tf_read = ata_tf_read,
292 .check_status = ata_check_status,
293 .exec_command = ata_exec_command,
294 .dev_select = ata_std_dev_select,
295
296 .freeze = ata_bmdma_freeze,
297 .thaw = ata_bmdma_thaw,
298 .error_handler = ata_bmdma_error_handler,
299 .post_internal_cmd = ata_bmdma_post_internal_cmd,
300 .cable_detect = ata_cable_40wire,
301
302 .bmdma_setup = ata_bmdma_setup,
303 .bmdma_start = ata_bmdma_start,
304 .bmdma_stop = ata_bmdma_stop,
305 .bmdma_status = ata_bmdma_status,
306
307 .qc_prep = ata_qc_prep,
308 .qc_issue = ata_qc_issue_prot,
309
310 .data_xfer = ata_data_xfer,
311
312 .irq_handler = ata_interrupt,
313 .irq_clear = ata_bmdma_irq_clear,
314 .irq_on = ata_irq_on,
315
316 .port_start = ata_port_start,
317}; 276};
318 277
319static struct ata_port_operations cmd646r1_port_ops = { 278static struct ata_port_operations cmd64x_port_ops = {
320 .set_piomode = cmd64x_set_piomode, 279 .inherits = &cmd64x_base_ops,
321 .set_dmamode = cmd64x_set_dmamode,
322 .mode_filter = ata_pci_default_filter,
323 .tf_load = ata_tf_load,
324 .tf_read = ata_tf_read,
325 .check_status = ata_check_status,
326 .exec_command = ata_exec_command,
327 .dev_select = ata_std_dev_select,
328
329 .freeze = ata_bmdma_freeze,
330 .thaw = ata_bmdma_thaw,
331 .error_handler = ata_bmdma_error_handler,
332 .post_internal_cmd = ata_bmdma_post_internal_cmd,
333 .cable_detect = ata_cable_40wire, 280 .cable_detect = ata_cable_40wire,
281};
334 282
335 .bmdma_setup = ata_bmdma_setup, 283static struct ata_port_operations cmd646r1_port_ops = {
336 .bmdma_start = ata_bmdma_start, 284 .inherits = &cmd64x_base_ops,
337 .bmdma_stop = cmd646r1_bmdma_stop, 285 .bmdma_stop = cmd646r1_bmdma_stop,
338 .bmdma_status = ata_bmdma_status, 286 .cable_detect = ata_cable_40wire,
339
340 .qc_prep = ata_qc_prep,
341 .qc_issue = ata_qc_issue_prot,
342
343 .data_xfer = ata_data_xfer,
344
345 .irq_handler = ata_interrupt,
346 .irq_clear = ata_bmdma_irq_clear,
347 .irq_on = ata_irq_on,
348
349 .port_start = ata_port_start,
350}; 287};
351 288
352static struct ata_port_operations cmd648_port_ops = { 289static struct ata_port_operations cmd648_port_ops = {
353 .set_piomode = cmd64x_set_piomode, 290 .inherits = &cmd64x_base_ops,
354 .set_dmamode = cmd64x_set_dmamode,
355 .mode_filter = ata_pci_default_filter,
356 .tf_load = ata_tf_load,
357 .tf_read = ata_tf_read,
358 .check_status = ata_check_status,
359 .exec_command = ata_exec_command,
360 .dev_select = ata_std_dev_select,
361
362 .freeze = ata_bmdma_freeze,
363 .thaw = ata_bmdma_thaw,
364 .error_handler = ata_bmdma_error_handler,
365 .post_internal_cmd = ata_bmdma_post_internal_cmd,
366 .cable_detect = cmd648_cable_detect,
367
368 .bmdma_setup = ata_bmdma_setup,
369 .bmdma_start = ata_bmdma_start,
370 .bmdma_stop = cmd648_bmdma_stop, 291 .bmdma_stop = cmd648_bmdma_stop,
371 .bmdma_status = ata_bmdma_status, 292 .cable_detect = cmd648_cable_detect,
372
373 .qc_prep = ata_qc_prep,
374 .qc_issue = ata_qc_issue_prot,
375
376 .data_xfer = ata_data_xfer,
377
378 .irq_handler = ata_interrupt,
379 .irq_clear = ata_bmdma_irq_clear,
380 .irq_on = ata_irq_on,
381
382 .port_start = ata_port_start,
383}; 293};
384 294
385static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 295static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -388,21 +298,18 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
388 298
389 static const struct ata_port_info cmd_info[6] = { 299 static const struct ata_port_info cmd_info[6] = {
390 { /* CMD 643 - no UDMA */ 300 { /* CMD 643 - no UDMA */
391 .sht = &cmd64x_sht,
392 .flags = ATA_FLAG_SLAVE_POSS, 301 .flags = ATA_FLAG_SLAVE_POSS,
393 .pio_mask = 0x1f, 302 .pio_mask = 0x1f,
394 .mwdma_mask = 0x07, 303 .mwdma_mask = 0x07,
395 .port_ops = &cmd64x_port_ops 304 .port_ops = &cmd64x_port_ops
396 }, 305 },
397 { /* CMD 646 with broken UDMA */ 306 { /* CMD 646 with broken UDMA */
398 .sht = &cmd64x_sht,
399 .flags = ATA_FLAG_SLAVE_POSS, 307 .flags = ATA_FLAG_SLAVE_POSS,
400 .pio_mask = 0x1f, 308 .pio_mask = 0x1f,
401 .mwdma_mask = 0x07, 309 .mwdma_mask = 0x07,
402 .port_ops = &cmd64x_port_ops 310 .port_ops = &cmd64x_port_ops
403 }, 311 },
404 { /* CMD 646 with working UDMA */ 312 { /* CMD 646 with working UDMA */
405 .sht = &cmd64x_sht,
406 .flags = ATA_FLAG_SLAVE_POSS, 313 .flags = ATA_FLAG_SLAVE_POSS,
407 .pio_mask = 0x1f, 314 .pio_mask = 0x1f,
408 .mwdma_mask = 0x07, 315 .mwdma_mask = 0x07,
@@ -410,14 +317,12 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
410 .port_ops = &cmd64x_port_ops 317 .port_ops = &cmd64x_port_ops
411 }, 318 },
412 { /* CMD 646 rev 1 */ 319 { /* CMD 646 rev 1 */
413 .sht = &cmd64x_sht,
414 .flags = ATA_FLAG_SLAVE_POSS, 320 .flags = ATA_FLAG_SLAVE_POSS,
415 .pio_mask = 0x1f, 321 .pio_mask = 0x1f,
416 .mwdma_mask = 0x07, 322 .mwdma_mask = 0x07,
417 .port_ops = &cmd646r1_port_ops 323 .port_ops = &cmd646r1_port_ops
418 }, 324 },
419 { /* CMD 648 */ 325 { /* CMD 648 */
420 .sht = &cmd64x_sht,
421 .flags = ATA_FLAG_SLAVE_POSS, 326 .flags = ATA_FLAG_SLAVE_POSS,
422 .pio_mask = 0x1f, 327 .pio_mask = 0x1f,
423 .mwdma_mask = 0x07, 328 .mwdma_mask = 0x07,
@@ -425,7 +330,6 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
425 .port_ops = &cmd648_port_ops 330 .port_ops = &cmd648_port_ops
426 }, 331 },
427 { /* CMD 649 */ 332 { /* CMD 649 */
428 .sht = &cmd64x_sht,
429 .flags = ATA_FLAG_SLAVE_POSS, 333 .flags = ATA_FLAG_SLAVE_POSS,
430 .pio_mask = 0x1f, 334 .pio_mask = 0x1f,
431 .mwdma_mask = 0x07, 335 .mwdma_mask = 0x07,
@@ -435,12 +339,17 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
435 }; 339 };
436 const struct ata_port_info *ppi[] = { &cmd_info[id->driver_data], NULL }; 340 const struct ata_port_info *ppi[] = { &cmd_info[id->driver_data], NULL };
437 u8 mrdmode; 341 u8 mrdmode;
342 int rc;
343
344 rc = pcim_enable_device(pdev);
345 if (rc)
346 return rc;
438 347
439 pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev); 348 pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev);
440 class_rev &= 0xFF; 349 class_rev &= 0xFF;
441 350
442 if (id->driver_data == 0) /* 643 */ 351 if (id->driver_data == 0) /* 643 */
443 ata_pci_clear_simplex(pdev); 352 ata_pci_bmdma_clear_simplex(pdev);
444 353
445 if (pdev->device == PCI_DEVICE_ID_CMD_646) { 354 if (pdev->device == PCI_DEVICE_ID_CMD_646) {
446 /* Does UDMA work ? */ 355 /* Does UDMA work ? */
@@ -464,13 +373,20 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
464 pci_write_config_byte(pdev, UDIDETCR0, 0xF0); 373 pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
465#endif 374#endif
466 375
467 return ata_pci_init_one(pdev, ppi); 376 return ata_pci_sff_init_one(pdev, ppi, &cmd64x_sht, NULL);
468} 377}
469 378
470#ifdef CONFIG_PM 379#ifdef CONFIG_PM
471static int cmd64x_reinit_one(struct pci_dev *pdev) 380static int cmd64x_reinit_one(struct pci_dev *pdev)
472{ 381{
382 struct ata_host *host = dev_get_drvdata(&pdev->dev);
473 u8 mrdmode; 383 u8 mrdmode;
384 int rc;
385
386 rc = ata_pci_device_do_resume(pdev);
387 if (rc)
388 return rc;
389
474 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64); 390 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
475 pci_read_config_byte(pdev, MRDMODE, &mrdmode); 391 pci_read_config_byte(pdev, MRDMODE, &mrdmode);
476 mrdmode &= ~ 0x30; /* IRQ set up */ 392 mrdmode &= ~ 0x30; /* IRQ set up */
@@ -479,7 +395,8 @@ static int cmd64x_reinit_one(struct pci_dev *pdev)
479#ifdef CONFIG_PPC 395#ifdef CONFIG_PPC
480 pci_write_config_byte(pdev, UDIDETCR0, 0xF0); 396 pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
481#endif 397#endif
482 return ata_pci_device_resume(pdev); 398 ata_host_resume(host);
399 return 0;
483} 400}
484#endif 401#endif
485 402
diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c
index 7ed279b0a12e..1186bcd2781c 100644
--- a/drivers/ata/pata_cs5520.c
+++ b/drivers/ata/pata_cs5520.c
@@ -140,51 +140,16 @@ static void cs5520_set_piomode(struct ata_port *ap, struct ata_device *adev)
140} 140}
141 141
142static struct scsi_host_template cs5520_sht = { 142static struct scsi_host_template cs5520_sht = {
143 .module = THIS_MODULE, 143 ATA_BMDMA_SHT(DRV_NAME),
144 .name = DRV_NAME,
145 .ioctl = ata_scsi_ioctl,
146 .queuecommand = ata_scsi_queuecmd,
147 .can_queue = ATA_DEF_QUEUE,
148 .this_id = ATA_SHT_THIS_ID,
149 .sg_tablesize = LIBATA_DUMB_MAX_PRD, 144 .sg_tablesize = LIBATA_DUMB_MAX_PRD,
150 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
151 .emulated = ATA_SHT_EMULATED,
152 .use_clustering = ATA_SHT_USE_CLUSTERING,
153 .proc_name = DRV_NAME,
154 .dma_boundary = ATA_DMA_BOUNDARY,
155 .slave_configure = ata_scsi_slave_config,
156 .slave_destroy = ata_scsi_slave_destroy,
157 .bios_param = ata_std_bios_param,
158}; 145};
159 146
160static struct ata_port_operations cs5520_port_ops = { 147static struct ata_port_operations cs5520_port_ops = {
148 .inherits = &ata_bmdma_port_ops,
149 .qc_prep = ata_sff_dumb_qc_prep,
150 .cable_detect = ata_cable_40wire,
161 .set_piomode = cs5520_set_piomode, 151 .set_piomode = cs5520_set_piomode,
162 .set_dmamode = cs5520_set_dmamode, 152 .set_dmamode = cs5520_set_dmamode,
163
164 .tf_load = ata_tf_load,
165 .tf_read = ata_tf_read,
166 .check_status = ata_check_status,
167 .exec_command = ata_exec_command,
168 .dev_select = ata_std_dev_select,
169
170 .freeze = ata_bmdma_freeze,
171 .thaw = ata_bmdma_thaw,
172 .error_handler = ata_bmdma_error_handler,
173 .post_internal_cmd = ata_bmdma_post_internal_cmd,
174 .cable_detect = ata_cable_40wire,
175
176 .bmdma_setup = ata_bmdma_setup,
177 .bmdma_start = ata_bmdma_start,
178 .bmdma_stop = ata_bmdma_stop,
179 .bmdma_status = ata_bmdma_status,
180 .qc_prep = ata_dumb_qc_prep,
181 .qc_issue = ata_qc_issue_prot,
182 .data_xfer = ata_data_xfer,
183
184 .irq_clear = ata_bmdma_irq_clear,
185 .irq_on = ata_irq_on,
186
187 .port_start = ata_sff_port_start,
188}; 153};
189 154
190static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 155static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -203,6 +168,10 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
203 struct ata_ioports *ioaddr; 168 struct ata_ioports *ioaddr;
204 int i, rc; 169 int i, rc;
205 170
171 rc = pcim_enable_device(pdev);
172 if (rc)
173 return rc;
174
206 /* IDE port enable bits */ 175 /* IDE port enable bits */
207 pci_read_config_byte(pdev, 0x60, &pcicfg); 176 pci_read_config_byte(pdev, 0x60, &pcicfg);
208 177
@@ -258,7 +227,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
258 ioaddr->ctl_addr = iomap[1]; 227 ioaddr->ctl_addr = iomap[1];
259 ioaddr->altstatus_addr = iomap[1]; 228 ioaddr->altstatus_addr = iomap[1];
260 ioaddr->bmdma_addr = iomap[4]; 229 ioaddr->bmdma_addr = iomap[4];
261 ata_std_ports(ioaddr); 230 ata_sff_std_ports(ioaddr);
262 231
263 ata_port_desc(host->ports[0], 232 ata_port_desc(host->ports[0],
264 "cmd 0x%x ctl 0x%x", cmd_port[0], ctl_port[0]); 233 "cmd 0x%x ctl 0x%x", cmd_port[0], ctl_port[0]);
@@ -269,7 +238,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
269 ioaddr->ctl_addr = iomap[3]; 238 ioaddr->ctl_addr = iomap[3];
270 ioaddr->altstatus_addr = iomap[3]; 239 ioaddr->altstatus_addr = iomap[3];
271 ioaddr->bmdma_addr = iomap[4] + 8; 240 ioaddr->bmdma_addr = iomap[4] + 8;
272 ata_std_ports(ioaddr); 241 ata_sff_std_ports(ioaddr);
273 242
274 ata_port_desc(host->ports[1], 243 ata_port_desc(host->ports[1],
275 "cmd 0x%x ctl 0x%x", cmd_port[1], ctl_port[1]); 244 "cmd 0x%x ctl 0x%x", cmd_port[1], ctl_port[1]);
@@ -289,7 +258,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
289 continue; 258 continue;
290 259
291 rc = devm_request_irq(&pdev->dev, irq[ap->port_no], 260 rc = devm_request_irq(&pdev->dev, irq[ap->port_no],
292 ata_interrupt, 0, DRV_NAME, host); 261 ata_sff_interrupt, 0, DRV_NAME, host);
293 if (rc) 262 if (rc)
294 return rc; 263 return rc;
295 264
@@ -310,11 +279,20 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
310 279
311static int cs5520_reinit_one(struct pci_dev *pdev) 280static int cs5520_reinit_one(struct pci_dev *pdev)
312{ 281{
282 struct ata_host *host = dev_get_drvdata(&pdev->dev);
313 u8 pcicfg; 283 u8 pcicfg;
284 int rc;
285
286 rc = ata_pci_device_do_resume(pdev);
287 if (rc)
288 return rc;
289
314 pci_read_config_byte(pdev, 0x60, &pcicfg); 290 pci_read_config_byte(pdev, 0x60, &pcicfg);
315 if ((pcicfg & 0x40) == 0) 291 if ((pcicfg & 0x40) == 0)
316 pci_write_config_byte(pdev, 0x60, pcicfg | 0x40); 292 pci_write_config_byte(pdev, 0x60, pcicfg | 0x40);
317 return ata_pci_device_resume(pdev); 293
294 ata_host_resume(host);
295 return 0;
318} 296}
319 297
320/** 298/**
diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c
index e1818fdd9159..744beebaaf49 100644
--- a/drivers/ata/pata_cs5530.c
+++ b/drivers/ata/pata_cs5530.c
@@ -133,7 +133,7 @@ static void cs5530_set_dmamode(struct ata_port *ap, struct ata_device *adev)
133} 133}
134 134
135/** 135/**
136 * cs5530_qc_issue_prot - command issue 136 * cs5530_qc_issue - command issue
137 * @qc: command pending 137 * @qc: command pending
138 * 138 *
139 * Called when the libata layer is about to issue a command. We wrap 139 * Called when the libata layer is about to issue a command. We wrap
@@ -142,7 +142,7 @@ static void cs5530_set_dmamode(struct ata_port *ap, struct ata_device *adev)
142 * one MWDMA/UDMA bit. 142 * one MWDMA/UDMA bit.
143 */ 143 */
144 144
145static unsigned int cs5530_qc_issue_prot(struct ata_queued_cmd *qc) 145static unsigned int cs5530_qc_issue(struct ata_queued_cmd *qc)
146{ 146{
147 struct ata_port *ap = qc->ap; 147 struct ata_port *ap = qc->ap;
148 struct ata_device *adev = qc->dev; 148 struct ata_device *adev = qc->dev;
@@ -157,59 +157,23 @@ static unsigned int cs5530_qc_issue_prot(struct ata_queued_cmd *qc)
157 cs5530_set_dmamode(ap, adev); 157 cs5530_set_dmamode(ap, adev);
158 } 158 }
159 159
160 return ata_qc_issue_prot(qc); 160 return ata_sff_qc_issue(qc);
161} 161}
162 162
163static struct scsi_host_template cs5530_sht = { 163static struct scsi_host_template cs5530_sht = {
164 .module = THIS_MODULE, 164 ATA_BMDMA_SHT(DRV_NAME),
165 .name = DRV_NAME, 165 .sg_tablesize = LIBATA_DUMB_MAX_PRD,
166 .ioctl = ata_scsi_ioctl,
167 .queuecommand = ata_scsi_queuecmd,
168 .can_queue = ATA_DEF_QUEUE,
169 .this_id = ATA_SHT_THIS_ID,
170 .sg_tablesize = LIBATA_DUMB_MAX_PRD,
171 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
172 .emulated = ATA_SHT_EMULATED,
173 .use_clustering = ATA_SHT_USE_CLUSTERING,
174 .proc_name = DRV_NAME,
175 .dma_boundary = ATA_DMA_BOUNDARY,
176 .slave_configure = ata_scsi_slave_config,
177 .slave_destroy = ata_scsi_slave_destroy,
178 .bios_param = ata_std_bios_param,
179}; 166};
180 167
181static struct ata_port_operations cs5530_port_ops = { 168static struct ata_port_operations cs5530_port_ops = {
182 .set_piomode = cs5530_set_piomode, 169 .inherits = &ata_bmdma_port_ops,
183 .set_dmamode = cs5530_set_dmamode,
184 .mode_filter = ata_pci_default_filter,
185
186 .tf_load = ata_tf_load,
187 .tf_read = ata_tf_read,
188 .check_status = ata_check_status,
189 .exec_command = ata_exec_command,
190 .dev_select = ata_std_dev_select,
191
192 .bmdma_setup = ata_bmdma_setup,
193 .bmdma_start = ata_bmdma_start,
194 .bmdma_stop = ata_bmdma_stop,
195 .bmdma_status = ata_bmdma_status,
196
197 .freeze = ata_bmdma_freeze,
198 .thaw = ata_bmdma_thaw,
199 .error_handler = ata_bmdma_error_handler,
200 .post_internal_cmd = ata_bmdma_post_internal_cmd,
201 .cable_detect = ata_cable_40wire,
202
203 .qc_prep = ata_dumb_qc_prep,
204 .qc_issue = cs5530_qc_issue_prot,
205 170
206 .data_xfer = ata_data_xfer, 171 .qc_prep = ata_sff_dumb_qc_prep,
172 .qc_issue = cs5530_qc_issue,
207 173
208 .irq_handler = ata_interrupt, 174 .cable_detect = ata_cable_40wire,
209 .irq_clear = ata_bmdma_irq_clear, 175 .set_piomode = cs5530_set_piomode,
210 .irq_on = ata_irq_on, 176 .set_dmamode = cs5530_set_dmamode,
211
212 .port_start = ata_sff_port_start,
213}; 177};
214 178
215static const struct dmi_system_id palmax_dmi_table[] = { 179static const struct dmi_system_id palmax_dmi_table[] = {
@@ -334,7 +298,6 @@ fail_put:
334static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 298static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
335{ 299{
336 static const struct ata_port_info info = { 300 static const struct ata_port_info info = {
337 .sht = &cs5530_sht,
338 .flags = ATA_FLAG_SLAVE_POSS, 301 .flags = ATA_FLAG_SLAVE_POSS,
339 .pio_mask = 0x1f, 302 .pio_mask = 0x1f,
340 .mwdma_mask = 0x07, 303 .mwdma_mask = 0x07,
@@ -343,12 +306,16 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
343 }; 306 };
344 /* The docking connector doesn't do UDMA, and it seems not MWDMA */ 307 /* The docking connector doesn't do UDMA, and it seems not MWDMA */
345 static const struct ata_port_info info_palmax_secondary = { 308 static const struct ata_port_info info_palmax_secondary = {
346 .sht = &cs5530_sht,
347 .flags = ATA_FLAG_SLAVE_POSS, 309 .flags = ATA_FLAG_SLAVE_POSS,
348 .pio_mask = 0x1f, 310 .pio_mask = 0x1f,
349 .port_ops = &cs5530_port_ops 311 .port_ops = &cs5530_port_ops
350 }; 312 };
351 const struct ata_port_info *ppi[] = { &info, NULL }; 313 const struct ata_port_info *ppi[] = { &info, NULL };
314 int rc;
315
316 rc = pcim_enable_device(pdev);
317 if (rc)
318 return rc;
352 319
353 /* Chip initialisation */ 320 /* Chip initialisation */
354 if (cs5530_init_chip()) 321 if (cs5530_init_chip())
@@ -358,16 +325,25 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
358 ppi[1] = &info_palmax_secondary; 325 ppi[1] = &info_palmax_secondary;
359 326
360 /* Now kick off ATA set up */ 327 /* Now kick off ATA set up */
361 return ata_pci_init_one(pdev, ppi); 328 return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL);
362} 329}
363 330
364#ifdef CONFIG_PM 331#ifdef CONFIG_PM
365static int cs5530_reinit_one(struct pci_dev *pdev) 332static int cs5530_reinit_one(struct pci_dev *pdev)
366{ 333{
334 struct ata_host *host = dev_get_drvdata(&pdev->dev);
335 int rc;
336
337 rc = ata_pci_device_do_resume(pdev);
338 if (rc)
339 return rc;
340
367 /* If we fail on resume we are doomed */ 341 /* If we fail on resume we are doomed */
368 if (cs5530_init_chip()) 342 if (cs5530_init_chip())
369 BUG(); 343 return -EIO;
370 return ata_pci_device_resume(pdev); 344
345 ata_host_resume(host);
346 return 0;
371} 347}
372#endif /* CONFIG_PM */ 348#endif /* CONFIG_PM */
373 349
diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c
index 01324530d052..f1b6556f0483 100644
--- a/drivers/ata/pata_cs5535.c
+++ b/drivers/ata/pata_cs5535.c
@@ -158,55 +158,14 @@ static void cs5535_set_dmamode(struct ata_port *ap, struct ata_device *adev)
158} 158}
159 159
160static struct scsi_host_template cs5535_sht = { 160static struct scsi_host_template cs5535_sht = {
161 .module = THIS_MODULE, 161 ATA_BMDMA_SHT(DRV_NAME),
162 .name = DRV_NAME,
163 .ioctl = ata_scsi_ioctl,
164 .queuecommand = ata_scsi_queuecmd,
165 .can_queue = ATA_DEF_QUEUE,
166 .this_id = ATA_SHT_THIS_ID,
167 .sg_tablesize = LIBATA_MAX_PRD,
168 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
169 .emulated = ATA_SHT_EMULATED,
170 .use_clustering = ATA_SHT_USE_CLUSTERING,
171 .proc_name = DRV_NAME,
172 .dma_boundary = ATA_DMA_BOUNDARY,
173 .slave_configure = ata_scsi_slave_config,
174 .slave_destroy = ata_scsi_slave_destroy,
175 .bios_param = ata_std_bios_param,
176}; 162};
177 163
178static struct ata_port_operations cs5535_port_ops = { 164static struct ata_port_operations cs5535_port_ops = {
165 .inherits = &ata_bmdma_port_ops,
166 .cable_detect = cs5535_cable_detect,
179 .set_piomode = cs5535_set_piomode, 167 .set_piomode = cs5535_set_piomode,
180 .set_dmamode = cs5535_set_dmamode, 168 .set_dmamode = cs5535_set_dmamode,
181 .mode_filter = ata_pci_default_filter,
182
183 .tf_load = ata_tf_load,
184 .tf_read = ata_tf_read,
185 .check_status = ata_check_status,
186 .exec_command = ata_exec_command,
187 .dev_select = ata_std_dev_select,
188
189 .freeze = ata_bmdma_freeze,
190 .thaw = ata_bmdma_thaw,
191 .error_handler = ata_bmdma_error_handler,
192 .post_internal_cmd = ata_bmdma_post_internal_cmd,
193 .cable_detect = cs5535_cable_detect,
194
195 .bmdma_setup = ata_bmdma_setup,
196 .bmdma_start = ata_bmdma_start,
197 .bmdma_stop = ata_bmdma_stop,
198 .bmdma_status = ata_bmdma_status,
199
200 .qc_prep = ata_qc_prep,
201 .qc_issue = ata_qc_issue_prot,
202
203 .data_xfer = ata_data_xfer,
204
205 .irq_handler = ata_interrupt,
206 .irq_clear = ata_bmdma_irq_clear,
207 .irq_on = ata_irq_on,
208
209 .port_start = ata_sff_port_start,
210}; 169};
211 170
212/** 171/**
@@ -222,7 +181,6 @@ static struct ata_port_operations cs5535_port_ops = {
222static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id) 181static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
223{ 182{
224 static const struct ata_port_info info = { 183 static const struct ata_port_info info = {
225 .sht = &cs5535_sht,
226 .flags = ATA_FLAG_SLAVE_POSS, 184 .flags = ATA_FLAG_SLAVE_POSS,
227 .pio_mask = 0x1f, 185 .pio_mask = 0x1f,
228 .mwdma_mask = 0x07, 186 .mwdma_mask = 0x07,
@@ -241,7 +199,7 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
241 rdmsr(ATAC_CH0D1_PIO, timings, dummy); 199 rdmsr(ATAC_CH0D1_PIO, timings, dummy);
242 if (CS5535_BAD_PIO(timings)) 200 if (CS5535_BAD_PIO(timings))
243 wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0); 201 wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0);
244 return ata_pci_init_one(dev, ppi); 202 return ata_pci_sff_init_one(dev, ppi, &cs5535_sht, NULL);
245} 203}
246 204
247static const struct pci_device_id cs5535[] = { 205static const struct pci_device_id cs5535[] = {
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 1c4ff9b52b5c..73f8332cb679 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -221,55 +221,14 @@ static void cs5536_set_dmamode(struct ata_port *ap, struct ata_device *adev)
221} 221}
222 222
223static struct scsi_host_template cs5536_sht = { 223static struct scsi_host_template cs5536_sht = {
224 .module = THIS_MODULE, 224 ATA_BMDMA_SHT(DRV_NAME),
225 .name = DRV_NAME,
226 .ioctl = ata_scsi_ioctl,
227 .queuecommand = ata_scsi_queuecmd,
228 .can_queue = ATA_DEF_QUEUE,
229 .this_id = ATA_SHT_THIS_ID,
230 .sg_tablesize = LIBATA_MAX_PRD,
231 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
232 .emulated = ATA_SHT_EMULATED,
233 .use_clustering = ATA_SHT_USE_CLUSTERING,
234 .proc_name = DRV_NAME,
235 .dma_boundary = ATA_DMA_BOUNDARY,
236 .slave_configure = ata_scsi_slave_config,
237 .slave_destroy = ata_scsi_slave_destroy,
238 .bios_param = ata_std_bios_param,
239}; 225};
240 226
241static struct ata_port_operations cs5536_port_ops = { 227static struct ata_port_operations cs5536_port_ops = {
228 .inherits = &ata_bmdma_port_ops,
229 .cable_detect = cs5536_cable_detect,
242 .set_piomode = cs5536_set_piomode, 230 .set_piomode = cs5536_set_piomode,
243 .set_dmamode = cs5536_set_dmamode, 231 .set_dmamode = cs5536_set_dmamode,
244 .mode_filter = ata_pci_default_filter,
245
246 .tf_load = ata_tf_load,
247 .tf_read = ata_tf_read,
248 .check_status = ata_check_status,
249 .exec_command = ata_exec_command,
250 .dev_select = ata_std_dev_select,
251
252 .freeze = ata_bmdma_freeze,
253 .thaw = ata_bmdma_thaw,
254 .error_handler = ata_bmdma_error_handler,
255 .post_internal_cmd = ata_bmdma_post_internal_cmd,
256 .cable_detect = cs5536_cable_detect,
257
258 .bmdma_setup = ata_bmdma_setup,
259 .bmdma_start = ata_bmdma_start,
260 .bmdma_stop = ata_bmdma_stop,
261 .bmdma_status = ata_bmdma_status,
262
263 .qc_prep = ata_qc_prep,
264 .qc_issue = ata_qc_issue_prot,
265
266 .data_xfer = ata_data_xfer,
267
268 .irq_handler = ata_interrupt,
269 .irq_clear = ata_bmdma_irq_clear,
270 .irq_on = ata_irq_on,
271
272 .port_start = ata_port_start,
273}; 232};
274 233
275/** 234/**
@@ -282,7 +241,6 @@ static struct ata_port_operations cs5536_port_ops = {
282static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id) 241static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
283{ 242{
284 static const struct ata_port_info info = { 243 static const struct ata_port_info info = {
285 .sht = &cs5536_sht,
286 .flags = ATA_FLAG_SLAVE_POSS, 244 .flags = ATA_FLAG_SLAVE_POSS,
287 .pio_mask = 0x1f, 245 .pio_mask = 0x1f,
288 .mwdma_mask = 0x07, 246 .mwdma_mask = 0x07,
@@ -303,7 +261,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
303 return -ENODEV; 261 return -ENODEV;
304 } 262 }
305 263
306 return ata_pci_init_one(dev, ppi); 264 return ata_pci_sff_init_one(dev, ppi, &cs5536_sht, NULL);
307} 265}
308 266
309static const struct pci_device_id cs5536[] = { 267static const struct pci_device_id cs5536[] = {
diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c
index fc5f9c4e5d87..a9c3218e22fd 100644
--- a/drivers/ata/pata_cypress.c
+++ b/drivers/ata/pata_cypress.c
@@ -110,61 +110,19 @@ static void cy82c693_set_dmamode(struct ata_port *ap, struct ata_device *adev)
110} 110}
111 111
112static struct scsi_host_template cy82c693_sht = { 112static struct scsi_host_template cy82c693_sht = {
113 .module = THIS_MODULE, 113 ATA_BMDMA_SHT(DRV_NAME),
114 .name = DRV_NAME,
115 .ioctl = ata_scsi_ioctl,
116 .queuecommand = ata_scsi_queuecmd,
117 .can_queue = ATA_DEF_QUEUE,
118 .this_id = ATA_SHT_THIS_ID,
119 .sg_tablesize = LIBATA_MAX_PRD,
120 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
121 .emulated = ATA_SHT_EMULATED,
122 .use_clustering = ATA_SHT_USE_CLUSTERING,
123 .proc_name = DRV_NAME,
124 .dma_boundary = ATA_DMA_BOUNDARY,
125 .slave_configure = ata_scsi_slave_config,
126 .slave_destroy = ata_scsi_slave_destroy,
127 .bios_param = ata_std_bios_param,
128}; 114};
129 115
130static struct ata_port_operations cy82c693_port_ops = { 116static struct ata_port_operations cy82c693_port_ops = {
117 .inherits = &ata_bmdma_port_ops,
118 .cable_detect = ata_cable_40wire,
131 .set_piomode = cy82c693_set_piomode, 119 .set_piomode = cy82c693_set_piomode,
132 .set_dmamode = cy82c693_set_dmamode, 120 .set_dmamode = cy82c693_set_dmamode,
133 .mode_filter = ata_pci_default_filter,
134
135 .tf_load = ata_tf_load,
136 .tf_read = ata_tf_read,
137 .check_status = ata_check_status,
138 .exec_command = ata_exec_command,
139 .dev_select = ata_std_dev_select,
140
141 .freeze = ata_bmdma_freeze,
142 .thaw = ata_bmdma_thaw,
143 .error_handler = ata_bmdma_error_handler,
144 .post_internal_cmd = ata_bmdma_post_internal_cmd,
145 .cable_detect = ata_cable_40wire,
146
147 .bmdma_setup = ata_bmdma_setup,
148 .bmdma_start = ata_bmdma_start,
149 .bmdma_stop = ata_bmdma_stop,
150 .bmdma_status = ata_bmdma_status,
151
152 .qc_prep = ata_qc_prep,
153 .qc_issue = ata_qc_issue_prot,
154
155 .data_xfer = ata_data_xfer,
156
157 .irq_handler = ata_interrupt,
158 .irq_clear = ata_bmdma_irq_clear,
159 .irq_on = ata_irq_on,
160
161 .port_start = ata_sff_port_start,
162}; 121};
163 122
164static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 123static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
165{ 124{
166 static const struct ata_port_info info = { 125 static const struct ata_port_info info = {
167 .sht = &cy82c693_sht,
168 .flags = ATA_FLAG_SLAVE_POSS, 126 .flags = ATA_FLAG_SLAVE_POSS,
169 .pio_mask = 0x1f, 127 .pio_mask = 0x1f,
170 .mwdma_mask = 0x07, 128 .mwdma_mask = 0x07,
@@ -178,7 +136,7 @@ static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *i
178 if (PCI_FUNC(pdev->devfn) != 1) 136 if (PCI_FUNC(pdev->devfn) != 1)
179 return -ENODEV; 137 return -ENODEV;
180 138
181 return ata_pci_init_one(pdev, ppi); 139 return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL);
182} 140}
183 141
184static const struct pci_device_id cy82c693[] = { 142static const struct pci_device_id cy82c693[] = {
diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c
index dc33220fe5b2..9fba82976ba6 100644
--- a/drivers/ata/pata_efar.c
+++ b/drivers/ata/pata_efar.c
@@ -45,20 +45,7 @@ static int efar_pre_reset(struct ata_link *link, unsigned long deadline)
45 if (!pci_test_config_bits(pdev, &efar_enable_bits[ap->port_no])) 45 if (!pci_test_config_bits(pdev, &efar_enable_bits[ap->port_no]))
46 return -ENOENT; 46 return -ENOENT;
47 47
48 return ata_std_prereset(link, deadline); 48 return ata_sff_prereset(link, deadline);
49}
50
51/**
52 * efar_probe_reset - Probe specified port on PATA host controller
53 * @ap: Port to probe
54 *
55 * LOCKING:
56 * None (inherited from caller).
57 */
58
59static void efar_error_handler(struct ata_port *ap)
60{
61 ata_bmdma_drive_eh(ap, efar_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
62} 49}
63 50
64/** 51/**
@@ -233,53 +220,15 @@ static void efar_set_dmamode (struct ata_port *ap, struct ata_device *adev)
233} 220}
234 221
235static struct scsi_host_template efar_sht = { 222static struct scsi_host_template efar_sht = {
236 .module = THIS_MODULE, 223 ATA_BMDMA_SHT(DRV_NAME),
237 .name = DRV_NAME,
238 .ioctl = ata_scsi_ioctl,
239 .queuecommand = ata_scsi_queuecmd,
240 .can_queue = ATA_DEF_QUEUE,
241 .this_id = ATA_SHT_THIS_ID,
242 .sg_tablesize = LIBATA_MAX_PRD,
243 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
244 .emulated = ATA_SHT_EMULATED,
245 .use_clustering = ATA_SHT_USE_CLUSTERING,
246 .proc_name = DRV_NAME,
247 .dma_boundary = ATA_DMA_BOUNDARY,
248 .slave_configure = ata_scsi_slave_config,
249 .slave_destroy = ata_scsi_slave_destroy,
250 .bios_param = ata_std_bios_param,
251}; 224};
252 225
253static const struct ata_port_operations efar_ops = { 226static struct ata_port_operations efar_ops = {
227 .inherits = &ata_bmdma_port_ops,
228 .cable_detect = efar_cable_detect,
254 .set_piomode = efar_set_piomode, 229 .set_piomode = efar_set_piomode,
255 .set_dmamode = efar_set_dmamode, 230 .set_dmamode = efar_set_dmamode,
256 .mode_filter = ata_pci_default_filter, 231 .prereset = efar_pre_reset,
257
258 .tf_load = ata_tf_load,
259 .tf_read = ata_tf_read,
260 .check_status = ata_check_status,
261 .exec_command = ata_exec_command,
262 .dev_select = ata_std_dev_select,
263
264 .freeze = ata_bmdma_freeze,
265 .thaw = ata_bmdma_thaw,
266 .error_handler = efar_error_handler,
267 .post_internal_cmd = ata_bmdma_post_internal_cmd,
268 .cable_detect = efar_cable_detect,
269
270 .bmdma_setup = ata_bmdma_setup,
271 .bmdma_start = ata_bmdma_start,
272 .bmdma_stop = ata_bmdma_stop,
273 .bmdma_status = ata_bmdma_status,
274 .qc_prep = ata_qc_prep,
275 .qc_issue = ata_qc_issue_prot,
276 .data_xfer = ata_data_xfer,
277
278 .irq_handler = ata_interrupt,
279 .irq_clear = ata_bmdma_irq_clear,
280 .irq_on = ata_irq_on,
281
282 .port_start = ata_sff_port_start,
283}; 232};
284 233
285 234
@@ -301,7 +250,6 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
301{ 250{
302 static int printed_version; 251 static int printed_version;
303 static const struct ata_port_info info = { 252 static const struct ata_port_info info = {
304 .sht = &efar_sht,
305 .flags = ATA_FLAG_SLAVE_POSS, 253 .flags = ATA_FLAG_SLAVE_POSS,
306 .pio_mask = 0x1f, /* pio0-4 */ 254 .pio_mask = 0x1f, /* pio0-4 */
307 .mwdma_mask = 0x07, /* mwdma1-2 */ 255 .mwdma_mask = 0x07, /* mwdma1-2 */
@@ -314,7 +262,7 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
314 dev_printk(KERN_DEBUG, &pdev->dev, 262 dev_printk(KERN_DEBUG, &pdev->dev,
315 "version " DRV_VERSION "\n"); 263 "version " DRV_VERSION "\n");
316 264
317 return ata_pci_init_one(pdev, ppi); 265 return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL);
318} 266}
319 267
320static const struct pci_device_id efar_pci_tbl[] = { 268static const struct pci_device_id efar_pci_tbl[] = {
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index a742efa0da2b..f2b83eabc7c7 100644
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -184,7 +184,7 @@ static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask)
184 if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4)) 184 if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4))
185 mask &= ~(0xF0 << ATA_SHIFT_UDMA); 185 mask &= ~(0xF0 << ATA_SHIFT_UDMA);
186 } 186 }
187 return ata_pci_default_filter(adev, mask); 187 return ata_bmdma_mode_filter(adev, mask);
188} 188}
189 189
190/** 190/**
@@ -290,21 +290,7 @@ static void hpt366_set_dmamode(struct ata_port *ap, struct ata_device *adev)
290} 290}
291 291
292static struct scsi_host_template hpt36x_sht = { 292static struct scsi_host_template hpt36x_sht = {
293 .module = THIS_MODULE, 293 ATA_BMDMA_SHT(DRV_NAME),
294 .name = DRV_NAME,
295 .ioctl = ata_scsi_ioctl,
296 .queuecommand = ata_scsi_queuecmd,
297 .can_queue = ATA_DEF_QUEUE,
298 .this_id = ATA_SHT_THIS_ID,
299 .sg_tablesize = LIBATA_MAX_PRD,
300 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
301 .emulated = ATA_SHT_EMULATED,
302 .use_clustering = ATA_SHT_USE_CLUSTERING,
303 .proc_name = DRV_NAME,
304 .dma_boundary = ATA_DMA_BOUNDARY,
305 .slave_configure = ata_scsi_slave_config,
306 .slave_destroy = ata_scsi_slave_destroy,
307 .bios_param = ata_std_bios_param,
308}; 294};
309 295
310/* 296/*
@@ -312,37 +298,11 @@ static struct scsi_host_template hpt36x_sht = {
312 */ 298 */
313 299
314static struct ata_port_operations hpt366_port_ops = { 300static struct ata_port_operations hpt366_port_ops = {
301 .inherits = &ata_bmdma_port_ops,
302 .cable_detect = hpt36x_cable_detect,
303 .mode_filter = hpt366_filter,
315 .set_piomode = hpt366_set_piomode, 304 .set_piomode = hpt366_set_piomode,
316 .set_dmamode = hpt366_set_dmamode, 305 .set_dmamode = hpt366_set_dmamode,
317 .mode_filter = hpt366_filter,
318
319 .tf_load = ata_tf_load,
320 .tf_read = ata_tf_read,
321 .check_status = ata_check_status,
322 .exec_command = ata_exec_command,
323 .dev_select = ata_std_dev_select,
324
325 .freeze = ata_bmdma_freeze,
326 .thaw = ata_bmdma_thaw,
327 .error_handler = ata_bmdma_error_handler,
328 .post_internal_cmd = ata_bmdma_post_internal_cmd,
329 .cable_detect = hpt36x_cable_detect,
330
331 .bmdma_setup = ata_bmdma_setup,
332 .bmdma_start = ata_bmdma_start,
333 .bmdma_stop = ata_bmdma_stop,
334 .bmdma_status = ata_bmdma_status,
335
336 .qc_prep = ata_qc_prep,
337 .qc_issue = ata_qc_issue_prot,
338
339 .data_xfer = ata_data_xfer,
340
341 .irq_handler = ata_interrupt,
342 .irq_clear = ata_bmdma_irq_clear,
343 .irq_on = ata_irq_on,
344
345 .port_start = ata_sff_port_start,
346}; 306};
347 307
348/** 308/**
@@ -390,18 +350,22 @@ static void hpt36x_init_chipset(struct pci_dev *dev)
390static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) 350static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
391{ 351{
392 static const struct ata_port_info info_hpt366 = { 352 static const struct ata_port_info info_hpt366 = {
393 .sht = &hpt36x_sht,
394 .flags = ATA_FLAG_SLAVE_POSS, 353 .flags = ATA_FLAG_SLAVE_POSS,
395 .pio_mask = 0x1f, 354 .pio_mask = 0x1f,
396 .mwdma_mask = 0x07, 355 .mwdma_mask = 0x07,
397 .udma_mask = ATA_UDMA4, 356 .udma_mask = ATA_UDMA4,
398 .port_ops = &hpt366_port_ops 357 .port_ops = &hpt366_port_ops
399 }; 358 };
400 struct ata_port_info info = info_hpt366; 359 const struct ata_port_info *ppi[] = { &info_hpt366, NULL };
401 const struct ata_port_info *ppi[] = { &info, NULL };
402 360
361 void *hpriv = NULL;
403 u32 class_rev; 362 u32 class_rev;
404 u32 reg1; 363 u32 reg1;
364 int rc;
365
366 rc = pcim_enable_device(dev);
367 if (rc)
368 return rc;
405 369
406 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); 370 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
407 class_rev &= 0xFF; 371 class_rev &= 0xFF;
@@ -419,24 +383,31 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
419 /* info_hpt366 is safe against re-entry so we can scribble on it */ 383 /* info_hpt366 is safe against re-entry so we can scribble on it */
420 switch((reg1 & 0x700) >> 8) { 384 switch((reg1 & 0x700) >> 8) {
421 case 5: 385 case 5:
422 info.private_data = &hpt366_40; 386 hpriv = &hpt366_40;
423 break; 387 break;
424 case 9: 388 case 9:
425 info.private_data = &hpt366_25; 389 hpriv = &hpt366_25;
426 break; 390 break;
427 default: 391 default:
428 info.private_data = &hpt366_33; 392 hpriv = &hpt366_33;
429 break; 393 break;
430 } 394 }
431 /* Now kick off ATA set up */ 395 /* Now kick off ATA set up */
432 return ata_pci_init_one(dev, ppi); 396 return ata_pci_sff_init_one(dev, ppi, &hpt36x_sht, hpriv);
433} 397}
434 398
435#ifdef CONFIG_PM 399#ifdef CONFIG_PM
436static int hpt36x_reinit_one(struct pci_dev *dev) 400static int hpt36x_reinit_one(struct pci_dev *dev)
437{ 401{
402 struct ata_host *host = dev_get_drvdata(&dev->dev);
403 int rc;
404
405 rc = ata_pci_device_do_resume(dev);
406 if (rc)
407 return rc;
438 hpt36x_init_chipset(dev); 408 hpt36x_init_chipset(dev);
439 return ata_pci_device_resume(dev); 409 ata_host_resume(host);
410 return 0;
440} 411}
441#endif 412#endif
442 413
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 9a10878b2ad8..42163998de9a 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -283,7 +283,7 @@ static unsigned long hpt370_filter(struct ata_device *adev, unsigned long mask)
283 if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5)) 283 if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5))
284 mask &= ~(0xE0 << ATA_SHIFT_UDMA); 284 mask &= ~(0xE0 << ATA_SHIFT_UDMA);
285 } 285 }
286 return ata_pci_default_filter(adev, mask); 286 return ata_bmdma_mode_filter(adev, mask);
287} 287}
288 288
289/** 289/**
@@ -299,7 +299,7 @@ static unsigned long hpt370a_filter(struct ata_device *adev, unsigned long mask)
299 if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5)) 299 if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5))
300 mask &= ~(0xE0 << ATA_SHIFT_UDMA); 300 mask &= ~(0xE0 << ATA_SHIFT_UDMA);
301 } 301 }
302 return ata_pci_default_filter(adev, mask); 302 return ata_bmdma_mode_filter(adev, mask);
303} 303}
304 304
305/** 305/**
@@ -338,22 +338,10 @@ static int hpt37x_pre_reset(struct ata_link *link, unsigned long deadline)
338 pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37); 338 pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
339 udelay(100); 339 udelay(100);
340 340
341 return ata_std_prereset(link, deadline); 341 return ata_sff_prereset(link, deadline);
342} 342}
343 343
344/** 344static int hpt374_fn1_pre_reset(struct ata_link *link, unsigned long deadline)
345 * hpt37x_error_handler - reset the hpt374
346 * @ap: ATA port to reset
347 *
348 * Perform probe for HPT37x, except for HPT374 channel 2
349 */
350
351static void hpt37x_error_handler(struct ata_port *ap)
352{
353 ata_bmdma_drive_eh(ap, hpt37x_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
354}
355
356static int hpt374_pre_reset(struct ata_link *link, unsigned long deadline)
357{ 345{
358 static const struct pci_bits hpt37x_enable_bits[] = { 346 static const struct pci_bits hpt37x_enable_bits[] = {
359 { 0x50, 1, 0x04, 0x04 }, 347 { 0x50, 1, 0x04, 0x04 },
@@ -386,26 +374,7 @@ static int hpt374_pre_reset(struct ata_link *link, unsigned long deadline)
386 pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37); 374 pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
387 udelay(100); 375 udelay(100);
388 376
389 return ata_std_prereset(link, deadline); 377 return ata_sff_prereset(link, deadline);
390}
391
392/**
393 * hpt374_error_handler - reset the hpt374
394 * @classes:
395 *
396 * The 374 cable detect is a little different due to the extra
397 * channels. The function 0 channels work like usual but function 1
398 * is special
399 */
400
401static void hpt374_error_handler(struct ata_port *ap)
402{
403 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
404
405 if (!(PCI_FUNC(pdev->devfn) & 1))
406 hpt37x_error_handler(ap);
407 else
408 ata_bmdma_drive_eh(ap, hpt374_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
409} 378}
410 379
411/** 380/**
@@ -619,21 +588,7 @@ static void hpt37x_bmdma_stop(struct ata_queued_cmd *qc)
619 588
620 589
621static struct scsi_host_template hpt37x_sht = { 590static struct scsi_host_template hpt37x_sht = {
622 .module = THIS_MODULE, 591 ATA_BMDMA_SHT(DRV_NAME),
623 .name = DRV_NAME,
624 .ioctl = ata_scsi_ioctl,
625 .queuecommand = ata_scsi_queuecmd,
626 .can_queue = ATA_DEF_QUEUE,
627 .this_id = ATA_SHT_THIS_ID,
628 .sg_tablesize = LIBATA_MAX_PRD,
629 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
630 .emulated = ATA_SHT_EMULATED,
631 .use_clustering = ATA_SHT_USE_CLUSTERING,
632 .proc_name = DRV_NAME,
633 .dma_boundary = ATA_DMA_BOUNDARY,
634 .slave_configure = ata_scsi_slave_config,
635 .slave_destroy = ata_scsi_slave_destroy,
636 .bios_param = ata_std_bios_param,
637}; 592};
638 593
639/* 594/*
@@ -641,36 +596,15 @@ static struct scsi_host_template hpt37x_sht = {
641 */ 596 */
642 597
643static struct ata_port_operations hpt370_port_ops = { 598static struct ata_port_operations hpt370_port_ops = {
644 .set_piomode = hpt370_set_piomode, 599 .inherits = &ata_bmdma_port_ops,
645 .set_dmamode = hpt370_set_dmamode,
646 .mode_filter = hpt370_filter,
647
648 .tf_load = ata_tf_load,
649 .tf_read = ata_tf_read,
650 .check_status = ata_check_status,
651 .exec_command = ata_exec_command,
652 .dev_select = ata_std_dev_select,
653 600
654 .freeze = ata_bmdma_freeze,
655 .thaw = ata_bmdma_thaw,
656 .error_handler = hpt37x_error_handler,
657 .post_internal_cmd = ata_bmdma_post_internal_cmd,
658
659 .bmdma_setup = ata_bmdma_setup,
660 .bmdma_start = hpt370_bmdma_start, 601 .bmdma_start = hpt370_bmdma_start,
661 .bmdma_stop = hpt370_bmdma_stop, 602 .bmdma_stop = hpt370_bmdma_stop,
662 .bmdma_status = ata_bmdma_status,
663
664 .qc_prep = ata_qc_prep,
665 .qc_issue = ata_qc_issue_prot,
666
667 .data_xfer = ata_data_xfer,
668
669 .irq_handler = ata_interrupt,
670 .irq_clear = ata_bmdma_irq_clear,
671 .irq_on = ata_irq_on,
672 603
673 .port_start = ata_sff_port_start, 604 .mode_filter = hpt370_filter,
605 .set_piomode = hpt370_set_piomode,
606 .set_dmamode = hpt370_set_dmamode,
607 .prereset = hpt37x_pre_reset,
674}; 608};
675 609
676/* 610/*
@@ -678,36 +612,8 @@ static struct ata_port_operations hpt370_port_ops = {
678 */ 612 */
679 613
680static struct ata_port_operations hpt370a_port_ops = { 614static struct ata_port_operations hpt370a_port_ops = {
681 .set_piomode = hpt370_set_piomode, 615 .inherits = &hpt370_port_ops,
682 .set_dmamode = hpt370_set_dmamode,
683 .mode_filter = hpt370a_filter, 616 .mode_filter = hpt370a_filter,
684
685 .tf_load = ata_tf_load,
686 .tf_read = ata_tf_read,
687 .check_status = ata_check_status,
688 .exec_command = ata_exec_command,
689 .dev_select = ata_std_dev_select,
690
691 .freeze = ata_bmdma_freeze,
692 .thaw = ata_bmdma_thaw,
693 .error_handler = hpt37x_error_handler,
694 .post_internal_cmd = ata_bmdma_post_internal_cmd,
695
696 .bmdma_setup = ata_bmdma_setup,
697 .bmdma_start = hpt370_bmdma_start,
698 .bmdma_stop = hpt370_bmdma_stop,
699 .bmdma_status = ata_bmdma_status,
700
701 .qc_prep = ata_qc_prep,
702 .qc_issue = ata_qc_issue_prot,
703
704 .data_xfer = ata_data_xfer,
705
706 .irq_handler = ata_interrupt,
707 .irq_clear = ata_bmdma_irq_clear,
708 .irq_on = ata_irq_on,
709
710 .port_start = ata_sff_port_start,
711}; 617};
712 618
713/* 619/*
@@ -716,74 +622,23 @@ static struct ata_port_operations hpt370a_port_ops = {
716 */ 622 */
717 623
718static struct ata_port_operations hpt372_port_ops = { 624static struct ata_port_operations hpt372_port_ops = {
719 .set_piomode = hpt372_set_piomode, 625 .inherits = &ata_bmdma_port_ops,
720 .set_dmamode = hpt372_set_dmamode,
721 .mode_filter = ata_pci_default_filter,
722
723 .tf_load = ata_tf_load,
724 .tf_read = ata_tf_read,
725 .check_status = ata_check_status,
726 .exec_command = ata_exec_command,
727 .dev_select = ata_std_dev_select,
728 626
729 .freeze = ata_bmdma_freeze,
730 .thaw = ata_bmdma_thaw,
731 .error_handler = hpt37x_error_handler,
732 .post_internal_cmd = ata_bmdma_post_internal_cmd,
733
734 .bmdma_setup = ata_bmdma_setup,
735 .bmdma_start = ata_bmdma_start,
736 .bmdma_stop = hpt37x_bmdma_stop, 627 .bmdma_stop = hpt37x_bmdma_stop,
737 .bmdma_status = ata_bmdma_status,
738
739 .qc_prep = ata_qc_prep,
740 .qc_issue = ata_qc_issue_prot,
741
742 .data_xfer = ata_data_xfer,
743
744 .irq_handler = ata_interrupt,
745 .irq_clear = ata_bmdma_irq_clear,
746 .irq_on = ata_irq_on,
747 628
748 .port_start = ata_sff_port_start, 629 .set_piomode = hpt372_set_piomode,
630 .set_dmamode = hpt372_set_dmamode,
631 .prereset = hpt37x_pre_reset,
749}; 632};
750 633
751/* 634/*
752 * Configuration for HPT374. Mode setting works like 372 and friends 635 * Configuration for HPT374. Mode setting works like 372 and friends
753 * but we have a different cable detection procedure. 636 * but we have a different cable detection procedure for function 1.
754 */ 637 */
755 638
756static struct ata_port_operations hpt374_port_ops = { 639static struct ata_port_operations hpt374_fn1_port_ops = {
757 .set_piomode = hpt372_set_piomode, 640 .inherits = &hpt372_port_ops,
758 .set_dmamode = hpt372_set_dmamode, 641 .prereset = hpt374_fn1_pre_reset,
759 .mode_filter = ata_pci_default_filter,
760
761 .tf_load = ata_tf_load,
762 .tf_read = ata_tf_read,
763 .check_status = ata_check_status,
764 .exec_command = ata_exec_command,
765 .dev_select = ata_std_dev_select,
766
767 .freeze = ata_bmdma_freeze,
768 .thaw = ata_bmdma_thaw,
769 .error_handler = hpt374_error_handler,
770 .post_internal_cmd = ata_bmdma_post_internal_cmd,
771
772 .bmdma_setup = ata_bmdma_setup,
773 .bmdma_start = ata_bmdma_start,
774 .bmdma_stop = hpt37x_bmdma_stop,
775 .bmdma_status = ata_bmdma_status,
776
777 .qc_prep = ata_qc_prep,
778 .qc_issue = ata_qc_issue_prot,
779
780 .data_xfer = ata_data_xfer,
781
782 .irq_handler = ata_interrupt,
783 .irq_clear = ata_bmdma_irq_clear,
784 .irq_on = ata_irq_on,
785
786 .port_start = ata_sff_port_start,
787}; 642};
788 643
789/** 644/**
@@ -897,7 +752,6 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
897{ 752{
898 /* HPT370 - UDMA100 */ 753 /* HPT370 - UDMA100 */
899 static const struct ata_port_info info_hpt370 = { 754 static const struct ata_port_info info_hpt370 = {
900 .sht = &hpt37x_sht,
901 .flags = ATA_FLAG_SLAVE_POSS, 755 .flags = ATA_FLAG_SLAVE_POSS,
902 .pio_mask = 0x1f, 756 .pio_mask = 0x1f,
903 .mwdma_mask = 0x07, 757 .mwdma_mask = 0x07,
@@ -906,7 +760,6 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
906 }; 760 };
907 /* HPT370A - UDMA100 */ 761 /* HPT370A - UDMA100 */
908 static const struct ata_port_info info_hpt370a = { 762 static const struct ata_port_info info_hpt370a = {
909 .sht = &hpt37x_sht,
910 .flags = ATA_FLAG_SLAVE_POSS, 763 .flags = ATA_FLAG_SLAVE_POSS,
911 .pio_mask = 0x1f, 764 .pio_mask = 0x1f,
912 .mwdma_mask = 0x07, 765 .mwdma_mask = 0x07,
@@ -915,7 +768,6 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
915 }; 768 };
916 /* HPT370 - UDMA100 */ 769 /* HPT370 - UDMA100 */
917 static const struct ata_port_info info_hpt370_33 = { 770 static const struct ata_port_info info_hpt370_33 = {
918 .sht = &hpt37x_sht,
919 .flags = ATA_FLAG_SLAVE_POSS, 771 .flags = ATA_FLAG_SLAVE_POSS,
920 .pio_mask = 0x1f, 772 .pio_mask = 0x1f,
921 .mwdma_mask = 0x07, 773 .mwdma_mask = 0x07,
@@ -924,7 +776,6 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
924 }; 776 };
925 /* HPT370A - UDMA100 */ 777 /* HPT370A - UDMA100 */
926 static const struct ata_port_info info_hpt370a_33 = { 778 static const struct ata_port_info info_hpt370a_33 = {
927 .sht = &hpt37x_sht,
928 .flags = ATA_FLAG_SLAVE_POSS, 779 .flags = ATA_FLAG_SLAVE_POSS,
929 .pio_mask = 0x1f, 780 .pio_mask = 0x1f,
930 .mwdma_mask = 0x07, 781 .mwdma_mask = 0x07,
@@ -933,28 +784,31 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
933 }; 784 };
934 /* HPT371, 372 and friends - UDMA133 */ 785 /* HPT371, 372 and friends - UDMA133 */
935 static const struct ata_port_info info_hpt372 = { 786 static const struct ata_port_info info_hpt372 = {
936 .sht = &hpt37x_sht,
937 .flags = ATA_FLAG_SLAVE_POSS, 787 .flags = ATA_FLAG_SLAVE_POSS,
938 .pio_mask = 0x1f, 788 .pio_mask = 0x1f,
939 .mwdma_mask = 0x07, 789 .mwdma_mask = 0x07,
940 .udma_mask = ATA_UDMA6, 790 .udma_mask = ATA_UDMA6,
941 .port_ops = &hpt372_port_ops 791 .port_ops = &hpt372_port_ops
942 }; 792 };
943 /* HPT374 - UDMA100 */ 793 /* HPT374 - UDMA100, function 1 uses different prereset method */
944 static const struct ata_port_info info_hpt374 = { 794 static const struct ata_port_info info_hpt374_fn0 = {
945 .sht = &hpt37x_sht,
946 .flags = ATA_FLAG_SLAVE_POSS, 795 .flags = ATA_FLAG_SLAVE_POSS,
947 .pio_mask = 0x1f, 796 .pio_mask = 0x1f,
948 .mwdma_mask = 0x07, 797 .mwdma_mask = 0x07,
949 .udma_mask = ATA_UDMA5, 798 .udma_mask = ATA_UDMA5,
950 .port_ops = &hpt374_port_ops 799 .port_ops = &hpt372_port_ops
800 };
801 static const struct ata_port_info info_hpt374_fn1 = {
802 .flags = ATA_FLAG_SLAVE_POSS,
803 .pio_mask = 0x1f,
804 .mwdma_mask = 0x07,
805 .udma_mask = ATA_UDMA5,
806 .port_ops = &hpt374_fn1_port_ops
951 }; 807 };
952 808
953 static const int MHz[4] = { 33, 40, 50, 66 }; 809 static const int MHz[4] = { 33, 40, 50, 66 };
954 const struct ata_port_info *port;
955 void *private_data = NULL; 810 void *private_data = NULL;
956 struct ata_port_info port_info; 811 const struct ata_port_info *ppi[] = { NULL, NULL };
957 const struct ata_port_info *ppi[] = { &port_info, NULL };
958 812
959 u8 irqmask; 813 u8 irqmask;
960 u32 class_rev; 814 u32 class_rev;
@@ -966,6 +820,11 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
966 820
967 const struct hpt_chip *chip_table; 821 const struct hpt_chip *chip_table;
968 int clock_slot; 822 int clock_slot;
823 int rc;
824
825 rc = pcim_enable_device(dev);
826 if (rc)
827 return rc;
969 828
970 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); 829 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
971 class_rev &= 0xFF; 830 class_rev &= 0xFF;
@@ -981,17 +840,17 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
981 840
982 switch(class_rev) { 841 switch(class_rev) {
983 case 3: 842 case 3:
984 port = &info_hpt370; 843 ppi[0] = &info_hpt370;
985 chip_table = &hpt370; 844 chip_table = &hpt370;
986 prefer_dpll = 0; 845 prefer_dpll = 0;
987 break; 846 break;
988 case 4: 847 case 4:
989 port = &info_hpt370a; 848 ppi[0] = &info_hpt370a;
990 chip_table = &hpt370a; 849 chip_table = &hpt370a;
991 prefer_dpll = 0; 850 prefer_dpll = 0;
992 break; 851 break;
993 case 5: 852 case 5:
994 port = &info_hpt372; 853 ppi[0] = &info_hpt372;
995 chip_table = &hpt372; 854 chip_table = &hpt372;
996 break; 855 break;
997 default: 856 default:
@@ -1004,21 +863,21 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
1004 /* 372N if rev >= 2*/ 863 /* 372N if rev >= 2*/
1005 if (class_rev >= 2) 864 if (class_rev >= 2)
1006 return -ENODEV; 865 return -ENODEV;
1007 port = &info_hpt372; 866 ppi[0] = &info_hpt372;
1008 chip_table = &hpt372a; 867 chip_table = &hpt372a;
1009 break; 868 break;
1010 case PCI_DEVICE_ID_TTI_HPT302: 869 case PCI_DEVICE_ID_TTI_HPT302:
1011 /* 302N if rev > 1 */ 870 /* 302N if rev > 1 */
1012 if (class_rev > 1) 871 if (class_rev > 1)
1013 return -ENODEV; 872 return -ENODEV;
1014 port = &info_hpt372; 873 ppi[0] = &info_hpt372;
1015 /* Check this */ 874 /* Check this */
1016 chip_table = &hpt302; 875 chip_table = &hpt302;
1017 break; 876 break;
1018 case PCI_DEVICE_ID_TTI_HPT371: 877 case PCI_DEVICE_ID_TTI_HPT371:
1019 if (class_rev > 1) 878 if (class_rev > 1)
1020 return -ENODEV; 879 return -ENODEV;
1021 port = &info_hpt372; 880 ppi[0] = &info_hpt372;
1022 chip_table = &hpt371; 881 chip_table = &hpt371;
1023 /* Single channel device, master is not present 882 /* Single channel device, master is not present
1024 but the BIOS (or us for non x86) must mark it 883 but the BIOS (or us for non x86) must mark it
@@ -1029,7 +888,10 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
1029 break; 888 break;
1030 case PCI_DEVICE_ID_TTI_HPT374: 889 case PCI_DEVICE_ID_TTI_HPT374:
1031 chip_table = &hpt374; 890 chip_table = &hpt374;
1032 port = &info_hpt374; 891 if (!(PCI_FUNC(dev->devfn) & 1))
892 *ppi = &info_hpt374_fn0;
893 else
894 *ppi = &info_hpt374_fn1;
1033 break; 895 break;
1034 default: 896 default:
1035 printk(KERN_ERR "pata_hpt37x: PCI table is bogus please report (%d).\n", dev->device); 897 printk(KERN_ERR "pata_hpt37x: PCI table is bogus please report (%d).\n", dev->device);
@@ -1108,7 +970,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
1108 int dpll, adjust; 970 int dpll, adjust;
1109 971
1110 /* Compute DPLL */ 972 /* Compute DPLL */
1111 dpll = (port->udma_mask & 0xC0) ? 3 : 2; 973 dpll = (ppi[0]->udma_mask & 0xC0) ? 3 : 2;
1112 974
1113 f_low = (MHz[clock_slot] * 48) / MHz[dpll]; 975 f_low = (MHz[clock_slot] * 48) / MHz[dpll];
1114 f_high = f_low + 2; 976 f_high = f_low + 2;
@@ -1148,19 +1010,16 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
1148 * about lack of UDMA133 support on lower clocks 1010 * about lack of UDMA133 support on lower clocks
1149 */ 1011 */
1150 1012
1151 if (clock_slot < 2 && port == &info_hpt370) 1013 if (clock_slot < 2 && ppi[0] == &info_hpt370)
1152 port = &info_hpt370_33; 1014 ppi[0] = &info_hpt370_33;
1153 if (clock_slot < 2 && port == &info_hpt370a) 1015 if (clock_slot < 2 && ppi[0] == &info_hpt370a)
1154 port = &info_hpt370a_33; 1016 ppi[0] = &info_hpt370a_33;
1155 printk(KERN_INFO "pata_hpt37x: %s using %dMHz bus clock.\n", 1017 printk(KERN_INFO "pata_hpt37x: %s using %dMHz bus clock.\n",
1156 chip_table->name, MHz[clock_slot]); 1018 chip_table->name, MHz[clock_slot]);
1157 } 1019 }
1158 1020
1159 /* Now kick off ATA set up */ 1021 /* Now kick off ATA set up */
1160 port_info = *port; 1022 return ata_pci_sff_init_one(dev, ppi, &hpt37x_sht, private_data);
1161 port_info.private_data = private_data;
1162
1163 return ata_pci_init_one(dev, ppi);
1164} 1023}
1165 1024
1166static const struct pci_device_id hpt37x[] = { 1025static const struct pci_device_id hpt37x[] = {
diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c
index 9f1c084f846f..d5c9fd7b82bb 100644
--- a/drivers/ata/pata_hpt3x2n.c
+++ b/drivers/ata/pata_hpt3x2n.c
@@ -148,7 +148,7 @@ static int hpt3x2n_cable_detect(struct ata_port *ap)
148 * Reset the hardware and state machine, 148 * Reset the hardware and state machine,
149 */ 149 */
150 150
151static int hpt3xn_pre_reset(struct ata_link *link, unsigned long deadline) 151static int hpt3x2n_pre_reset(struct ata_link *link, unsigned long deadline)
152{ 152{
153 struct ata_port *ap = link->ap; 153 struct ata_port *ap = link->ap;
154 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 154 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -156,19 +156,7 @@ static int hpt3xn_pre_reset(struct ata_link *link, unsigned long deadline)
156 pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37); 156 pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
157 udelay(100); 157 udelay(100);
158 158
159 return ata_std_prereset(link, deadline); 159 return ata_sff_prereset(link, deadline);
160}
161
162/**
163 * hpt3x2n_error_handler - probe the hpt3x2n bus
164 * @ap: ATA port to reset
165 *
166 * Perform the probe reset handling for the 3x2N
167 */
168
169static void hpt3x2n_error_handler(struct ata_port *ap)
170{
171 ata_bmdma_drive_eh(ap, hpt3xn_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
172} 160}
173 161
174/** 162/**
@@ -320,7 +308,7 @@ static int hpt3x2n_use_dpll(struct ata_port *ap, int writing)
320 return 0; 308 return 0;
321} 309}
322 310
323static unsigned int hpt3x2n_qc_issue_prot(struct ata_queued_cmd *qc) 311static unsigned int hpt3x2n_qc_issue(struct ata_queued_cmd *qc)
324{ 312{
325 struct ata_taskfile *tf = &qc->tf; 313 struct ata_taskfile *tf = &qc->tf;
326 struct ata_port *ap = qc->ap; 314 struct ata_port *ap = qc->ap;
@@ -335,25 +323,11 @@ static unsigned int hpt3x2n_qc_issue_prot(struct ata_queued_cmd *qc)
335 hpt3x2n_set_clock(ap, 0x23); 323 hpt3x2n_set_clock(ap, 0x23);
336 } 324 }
337 } 325 }
338 return ata_qc_issue_prot(qc); 326 return ata_sff_qc_issue(qc);
339} 327}
340 328
341static struct scsi_host_template hpt3x2n_sht = { 329static struct scsi_host_template hpt3x2n_sht = {
342 .module = THIS_MODULE, 330 ATA_BMDMA_SHT(DRV_NAME),
343 .name = DRV_NAME,
344 .ioctl = ata_scsi_ioctl,
345 .queuecommand = ata_scsi_queuecmd,
346 .can_queue = ATA_DEF_QUEUE,
347 .this_id = ATA_SHT_THIS_ID,
348 .sg_tablesize = LIBATA_MAX_PRD,
349 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
350 .emulated = ATA_SHT_EMULATED,
351 .use_clustering = ATA_SHT_USE_CLUSTERING,
352 .proc_name = DRV_NAME,
353 .dma_boundary = ATA_DMA_BOUNDARY,
354 .slave_configure = ata_scsi_slave_config,
355 .slave_destroy = ata_scsi_slave_destroy,
356 .bios_param = ata_std_bios_param,
357}; 331};
358 332
359/* 333/*
@@ -361,37 +335,15 @@ static struct scsi_host_template hpt3x2n_sht = {
361 */ 335 */
362 336
363static struct ata_port_operations hpt3x2n_port_ops = { 337static struct ata_port_operations hpt3x2n_port_ops = {
364 .set_piomode = hpt3x2n_set_piomode, 338 .inherits = &ata_bmdma_port_ops,
365 .set_dmamode = hpt3x2n_set_dmamode,
366 .mode_filter = ata_pci_default_filter,
367
368 .tf_load = ata_tf_load,
369 .tf_read = ata_tf_read,
370 .check_status = ata_check_status,
371 .exec_command = ata_exec_command,
372 .dev_select = ata_std_dev_select,
373
374 .freeze = ata_bmdma_freeze,
375 .thaw = ata_bmdma_thaw,
376 .error_handler = hpt3x2n_error_handler,
377 .post_internal_cmd = ata_bmdma_post_internal_cmd,
378 .cable_detect = hpt3x2n_cable_detect,
379 339
380 .bmdma_setup = ata_bmdma_setup,
381 .bmdma_start = ata_bmdma_start,
382 .bmdma_stop = hpt3x2n_bmdma_stop, 340 .bmdma_stop = hpt3x2n_bmdma_stop,
383 .bmdma_status = ata_bmdma_status, 341 .qc_issue = hpt3x2n_qc_issue,
384
385 .qc_prep = ata_qc_prep,
386 .qc_issue = hpt3x2n_qc_issue_prot,
387
388 .data_xfer = ata_data_xfer,
389
390 .irq_handler = ata_interrupt,
391 .irq_clear = ata_bmdma_irq_clear,
392 .irq_on = ata_irq_on,
393 342
394 .port_start = ata_sff_port_start, 343 .cable_detect = hpt3x2n_cable_detect,
344 .set_piomode = hpt3x2n_set_piomode,
345 .set_dmamode = hpt3x2n_set_dmamode,
346 .prereset = hpt3x2n_pre_reset,
395}; 347};
396 348
397/** 349/**
@@ -488,15 +440,13 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
488{ 440{
489 /* HPT372N and friends - UDMA133 */ 441 /* HPT372N and friends - UDMA133 */
490 static const struct ata_port_info info = { 442 static const struct ata_port_info info = {
491 .sht = &hpt3x2n_sht,
492 .flags = ATA_FLAG_SLAVE_POSS, 443 .flags = ATA_FLAG_SLAVE_POSS,
493 .pio_mask = 0x1f, 444 .pio_mask = 0x1f,
494 .mwdma_mask = 0x07, 445 .mwdma_mask = 0x07,
495 .udma_mask = ATA_UDMA6, 446 .udma_mask = ATA_UDMA6,
496 .port_ops = &hpt3x2n_port_ops 447 .port_ops = &hpt3x2n_port_ops
497 }; 448 };
498 struct ata_port_info port = info; 449 const struct ata_port_info *ppi[] = { &info, NULL };
499 const struct ata_port_info *ppi[] = { &port, NULL };
500 450
501 u8 irqmask; 451 u8 irqmask;
502 u32 class_rev; 452 u32 class_rev;
@@ -505,6 +455,12 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
505 unsigned int f_low, f_high; 455 unsigned int f_low, f_high;
506 int adjust; 456 int adjust;
507 unsigned long iobase = pci_resource_start(dev, 4); 457 unsigned long iobase = pci_resource_start(dev, 4);
458 void *hpriv = NULL;
459 int rc;
460
461 rc = pcim_enable_device(dev);
462 if (rc)
463 return rc;
508 464
509 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); 465 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
510 class_rev &= 0xFF; 466 class_rev &= 0xFF;
@@ -586,9 +542,8 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
586 pci_mhz); 542 pci_mhz);
587 /* Set our private data up. We only need a few flags so we use 543 /* Set our private data up. We only need a few flags so we use
588 it directly */ 544 it directly */
589 port.private_data = NULL;
590 if (pci_mhz > 60) { 545 if (pci_mhz > 60) {
591 port.private_data = (void *)PCI66; 546 hpriv = (void *)PCI66;
592 /* 547 /*
593 * On HPT371N, if ATA clock is 66 MHz we must set bit 2 in 548 * On HPT371N, if ATA clock is 66 MHz we must set bit 2 in
594 * the MISC. register to stretch the UltraDMA Tss timing. 549 * the MISC. register to stretch the UltraDMA Tss timing.
@@ -599,7 +554,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
599 } 554 }
600 555
601 /* Now kick off ATA set up */ 556 /* Now kick off ATA set up */
602 return ata_pci_init_one(dev, ppi); 557 return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv);
603} 558}
604 559
605static const struct pci_device_id hpt3x2n[] = { 560static const struct pci_device_id hpt3x2n[] = {
diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c
index cb8bdb6887de..f11a320337c0 100644
--- a/drivers/ata/pata_hpt3x3.c
+++ b/drivers/ata/pata_hpt3x3.c
@@ -102,58 +102,17 @@ static int hpt3x3_atapi_dma(struct ata_queued_cmd *qc)
102} 102}
103 103
104static struct scsi_host_template hpt3x3_sht = { 104static struct scsi_host_template hpt3x3_sht = {
105 .module = THIS_MODULE, 105 ATA_BMDMA_SHT(DRV_NAME),
106 .name = DRV_NAME,
107 .ioctl = ata_scsi_ioctl,
108 .queuecommand = ata_scsi_queuecmd,
109 .can_queue = ATA_DEF_QUEUE,
110 .this_id = ATA_SHT_THIS_ID,
111 .sg_tablesize = LIBATA_MAX_PRD,
112 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
113 .emulated = ATA_SHT_EMULATED,
114 .use_clustering = ATA_SHT_USE_CLUSTERING,
115 .proc_name = DRV_NAME,
116 .dma_boundary = ATA_DMA_BOUNDARY,
117 .slave_configure = ata_scsi_slave_config,
118 .slave_destroy = ata_scsi_slave_destroy,
119 .bios_param = ata_std_bios_param,
120}; 106};
121 107
122static struct ata_port_operations hpt3x3_port_ops = { 108static struct ata_port_operations hpt3x3_port_ops = {
109 .inherits = &ata_bmdma_port_ops,
110 .check_atapi_dma= hpt3x3_atapi_dma,
111 .cable_detect = ata_cable_40wire,
123 .set_piomode = hpt3x3_set_piomode, 112 .set_piomode = hpt3x3_set_piomode,
124#if defined(CONFIG_PATA_HPT3X3_DMA) 113#if defined(CONFIG_PATA_HPT3X3_DMA)
125 .set_dmamode = hpt3x3_set_dmamode, 114 .set_dmamode = hpt3x3_set_dmamode,
126#endif 115#endif
127 .mode_filter = ata_pci_default_filter,
128
129 .tf_load = ata_tf_load,
130 .tf_read = ata_tf_read,
131 .check_status = ata_check_status,
132 .exec_command = ata_exec_command,
133 .dev_select = ata_std_dev_select,
134
135 .freeze = ata_bmdma_freeze,
136 .thaw = ata_bmdma_thaw,
137 .error_handler = ata_bmdma_error_handler,
138 .post_internal_cmd = ata_bmdma_post_internal_cmd,
139 .cable_detect = ata_cable_40wire,
140
141 .bmdma_setup = ata_bmdma_setup,
142 .bmdma_start = ata_bmdma_start,
143 .bmdma_stop = ata_bmdma_stop,
144 .bmdma_status = ata_bmdma_status,
145 .check_atapi_dma= hpt3x3_atapi_dma,
146
147 .qc_prep = ata_qc_prep,
148 .qc_issue = ata_qc_issue_prot,
149
150 .data_xfer = ata_data_xfer,
151
152 .irq_handler = ata_interrupt,
153 .irq_clear = ata_bmdma_irq_clear,
154 .irq_on = ata_irq_on,
155
156 .port_start = ata_sff_port_start,
157}; 116};
158 117
159/** 118/**
@@ -189,7 +148,6 @@ static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
189{ 148{
190 static int printed_version; 149 static int printed_version;
191 static const struct ata_port_info info = { 150 static const struct ata_port_info info = {
192 .sht = &hpt3x3_sht,
193 .flags = ATA_FLAG_SLAVE_POSS, 151 .flags = ATA_FLAG_SLAVE_POSS,
194 .pio_mask = 0x1f, 152 .pio_mask = 0x1f,
195#if defined(CONFIG_PATA_HPT3X3_DMA) 153#if defined(CONFIG_PATA_HPT3X3_DMA)
@@ -244,15 +202,15 @@ static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
244 ioaddr->altstatus_addr = 202 ioaddr->altstatus_addr =
245 ioaddr->ctl_addr = base + offset_ctl[i]; 203 ioaddr->ctl_addr = base + offset_ctl[i];
246 ioaddr->scr_addr = NULL; 204 ioaddr->scr_addr = NULL;
247 ata_std_ports(ioaddr); 205 ata_sff_std_ports(ioaddr);
248 ioaddr->bmdma_addr = base + 8 * i; 206 ioaddr->bmdma_addr = base + 8 * i;
249 207
250 ata_port_pbar_desc(ap, 4, -1, "ioport"); 208 ata_port_pbar_desc(ap, 4, -1, "ioport");
251 ata_port_pbar_desc(ap, 4, offset_cmd[i], "cmd"); 209 ata_port_pbar_desc(ap, 4, offset_cmd[i], "cmd");
252 } 210 }
253 pci_set_master(pdev); 211 pci_set_master(pdev);
254 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 212 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
255 &hpt3x3_sht); 213 IRQF_SHARED, &hpt3x3_sht);
256} 214}
257 215
258#ifdef CONFIG_PM 216#ifdef CONFIG_PM
diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c
index f97068be2d79..17138436423d 100644
--- a/drivers/ata/pata_icside.c
+++ b/drivers/ata/pata_icside.c
@@ -250,7 +250,7 @@ static void pata_icside_bmdma_setup(struct ata_queued_cmd *qc)
250 set_dma_mode(state->dma, write ? DMA_MODE_WRITE : DMA_MODE_READ); 250 set_dma_mode(state->dma, write ? DMA_MODE_WRITE : DMA_MODE_READ);
251 251
252 /* issue r/w command */ 252 /* issue r/w command */
253 ap->ops->exec_command(ap, &qc->tf); 253 ap->ops->sff_exec_command(ap, &qc->tf);
254} 254}
255 255
256static void pata_icside_bmdma_start(struct ata_queued_cmd *qc) 256static void pata_icside_bmdma_start(struct ata_queued_cmd *qc)
@@ -270,7 +270,7 @@ static void pata_icside_bmdma_stop(struct ata_queued_cmd *qc)
270 disable_dma(state->dma); 270 disable_dma(state->dma);
271 271
272 /* see ata_bmdma_stop */ 272 /* see ata_bmdma_stop */
273 ata_altstatus(ap); 273 ata_sff_altstatus(ap);
274} 274}
275 275
276static u8 pata_icside_bmdma_status(struct ata_port *ap) 276static u8 pata_icside_bmdma_status(struct ata_port *ap)
@@ -305,35 +305,18 @@ static int icside_dma_init(struct pata_icside_info *info)
305 305
306 306
307static struct scsi_host_template pata_icside_sht = { 307static struct scsi_host_template pata_icside_sht = {
308 .module = THIS_MODULE, 308 ATA_BASE_SHT(DRV_NAME),
309 .name = DRV_NAME,
310 .ioctl = ata_scsi_ioctl,
311 .queuecommand = ata_scsi_queuecmd,
312 .can_queue = ATA_DEF_QUEUE,
313 .this_id = ATA_SHT_THIS_ID,
314 .sg_tablesize = PATA_ICSIDE_MAX_SG, 309 .sg_tablesize = PATA_ICSIDE_MAX_SG,
315 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
316 .emulated = ATA_SHT_EMULATED,
317 .use_clustering = ATA_SHT_USE_CLUSTERING,
318 .proc_name = DRV_NAME,
319 .dma_boundary = ~0, /* no dma boundaries */ 310 .dma_boundary = ~0, /* no dma boundaries */
320 .slave_configure = ata_scsi_slave_config,
321 .slave_destroy = ata_scsi_slave_destroy,
322 .bios_param = ata_std_bios_param,
323}; 311};
324 312
325/* wish this was exported from libata-core */
326static void ata_dummy_noret(struct ata_port *port)
327{
328}
329
330static void pata_icside_postreset(struct ata_link *link, unsigned int *classes) 313static void pata_icside_postreset(struct ata_link *link, unsigned int *classes)
331{ 314{
332 struct ata_port *ap = link->ap; 315 struct ata_port *ap = link->ap;
333 struct pata_icside_state *state = ap->host->private_data; 316 struct pata_icside_state *state = ap->host->private_data;
334 317
335 if (classes[0] != ATA_DEV_NONE || classes[1] != ATA_DEV_NONE) 318 if (classes[0] != ATA_DEV_NONE || classes[1] != ATA_DEV_NONE)
336 return ata_std_postreset(link, classes); 319 return ata_sff_postreset(link, classes);
337 320
338 state->port[ap->port_no].disabled = 1; 321 state->port[ap->port_no].disabled = 1;
339 322
@@ -349,42 +332,20 @@ static void pata_icside_postreset(struct ata_link *link, unsigned int *classes)
349 } 332 }
350} 333}
351 334
352static void pata_icside_error_handler(struct ata_port *ap)
353{
354 ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL,
355 pata_icside_postreset);
356}
357
358static struct ata_port_operations pata_icside_port_ops = { 335static struct ata_port_operations pata_icside_port_ops = {
359 .set_dmamode = pata_icside_set_dmamode, 336 .inherits = &ata_sff_port_ops,
360
361 .tf_load = ata_tf_load,
362 .tf_read = ata_tf_read,
363 .exec_command = ata_exec_command,
364 .check_status = ata_check_status,
365 .dev_select = ata_std_dev_select,
366
367 .cable_detect = ata_cable_40wire,
368
369 .bmdma_setup = pata_icside_bmdma_setup,
370 .bmdma_start = pata_icside_bmdma_start,
371
372 .data_xfer = ata_data_xfer_noirq,
373
374 /* no need to build any PRD tables for DMA */ 337 /* no need to build any PRD tables for DMA */
375 .qc_prep = ata_noop_qc_prep, 338 .qc_prep = ata_noop_qc_prep,
376 .qc_issue = ata_qc_issue_prot, 339 .sff_data_xfer = ata_sff_data_xfer_noirq,
377 340 .bmdma_setup = pata_icside_bmdma_setup,
378 .freeze = ata_bmdma_freeze, 341 .bmdma_start = pata_icside_bmdma_start,
379 .thaw = ata_bmdma_thaw,
380 .error_handler = pata_icside_error_handler,
381 .post_internal_cmd = pata_icside_bmdma_stop,
382
383 .irq_clear = ata_dummy_noret,
384 .irq_on = ata_irq_on,
385
386 .bmdma_stop = pata_icside_bmdma_stop, 342 .bmdma_stop = pata_icside_bmdma_stop,
387 .bmdma_status = pata_icside_bmdma_status, 343 .bmdma_status = pata_icside_bmdma_status,
344
345 .cable_detect = ata_cable_40wire,
346 .set_dmamode = pata_icside_set_dmamode,
347 .postreset = pata_icside_postreset,
348 .post_internal_cmd = pata_icside_bmdma_stop,
388}; 349};
389 350
390static void __devinit 351static void __devinit
@@ -520,7 +481,7 @@ static int __devinit pata_icside_add_ports(struct pata_icside_info *info)
520 pata_icside_setup_ioaddr(ap, info->base, info, info->port[i]); 481 pata_icside_setup_ioaddr(ap, info->base, info, info->port[i]);
521 } 482 }
522 483
523 return ata_host_activate(host, ec->irq, ata_interrupt, 0, 484 return ata_host_activate(host, ec->irq, ata_sff_interrupt, 0,
524 &pata_icside_sht); 485 &pata_icside_sht);
525} 486}
526 487
diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c
index 4320e7986321..6a111baab523 100644
--- a/drivers/ata/pata_isapnp.c
+++ b/drivers/ata/pata_isapnp.c
@@ -20,45 +20,12 @@
20#define DRV_VERSION "0.2.2" 20#define DRV_VERSION "0.2.2"
21 21
22static struct scsi_host_template isapnp_sht = { 22static struct scsi_host_template isapnp_sht = {
23 .module = THIS_MODULE, 23 ATA_PIO_SHT(DRV_NAME),
24 .name = DRV_NAME,
25 .ioctl = ata_scsi_ioctl,
26 .queuecommand = ata_scsi_queuecmd,
27 .can_queue = ATA_DEF_QUEUE,
28 .this_id = ATA_SHT_THIS_ID,
29 .sg_tablesize = LIBATA_MAX_PRD,
30 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
31 .emulated = ATA_SHT_EMULATED,
32 .use_clustering = ATA_SHT_USE_CLUSTERING,
33 .proc_name = DRV_NAME,
34 .dma_boundary = ATA_DMA_BOUNDARY,
35 .slave_configure = ata_scsi_slave_config,
36 .slave_destroy = ata_scsi_slave_destroy,
37 .bios_param = ata_std_bios_param,
38}; 24};
39 25
40static struct ata_port_operations isapnp_port_ops = { 26static struct ata_port_operations isapnp_port_ops = {
41 .tf_load = ata_tf_load, 27 .inherits = &ata_sff_port_ops,
42 .tf_read = ata_tf_read,
43 .check_status = ata_check_status,
44 .exec_command = ata_exec_command,
45 .dev_select = ata_std_dev_select,
46
47 .freeze = ata_bmdma_freeze,
48 .thaw = ata_bmdma_thaw,
49 .error_handler = ata_bmdma_error_handler,
50 .post_internal_cmd = ata_bmdma_post_internal_cmd,
51 .cable_detect = ata_cable_40wire, 28 .cable_detect = ata_cable_40wire,
52
53 .qc_prep = ata_qc_prep,
54 .qc_issue = ata_qc_issue_prot,
55
56 .data_xfer = ata_data_xfer,
57
58 .irq_clear = ata_bmdma_irq_clear,
59 .irq_on = ata_irq_on,
60
61 .port_start = ata_sff_port_start,
62}; 29};
63 30
64/** 31/**
@@ -83,7 +50,7 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
83 50
84 if (pnp_irq_valid(idev, 0)) { 51 if (pnp_irq_valid(idev, 0)) {
85 irq = pnp_irq(idev, 0); 52 irq = pnp_irq(idev, 0);
86 handler = ata_interrupt; 53 handler = ata_sff_interrupt;
87 } 54 }
88 55
89 /* allocate host */ 56 /* allocate host */
@@ -111,7 +78,7 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
111 ap->ioaddr.ctl_addr = ctl_addr; 78 ap->ioaddr.ctl_addr = ctl_addr;
112 } 79 }
113 80
114 ata_std_ports(&ap->ioaddr); 81 ata_sff_std_ports(&ap->ioaddr);
115 82
116 ata_port_desc(ap, "cmd 0x%llx ctl 0x%llx", 83 ata_port_desc(ap, "cmd 0x%llx ctl 0x%llx",
117 (unsigned long long)pnp_port_start(idev, 0), 84 (unsigned long long)pnp_port_start(idev, 0),
diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c
index e0c2cc29d0ca..c113d7c079c8 100644
--- a/drivers/ata/pata_it8213.c
+++ b/drivers/ata/pata_it8213.c
@@ -40,20 +40,7 @@ static int it8213_pre_reset(struct ata_link *link, unsigned long deadline)
40 if (!pci_test_config_bits(pdev, &it8213_enable_bits[ap->port_no])) 40 if (!pci_test_config_bits(pdev, &it8213_enable_bits[ap->port_no]))
41 return -ENOENT; 41 return -ENOENT;
42 42
43 return ata_std_prereset(link, deadline); 43 return ata_sff_prereset(link, deadline);
44}
45
46/**
47 * it8213_error_handler - Probe specified port on PATA host controller
48 * @ap: Port to probe
49 *
50 * LOCKING:
51 * None (inherited from caller).
52 */
53
54static void it8213_error_handler(struct ata_port *ap)
55{
56 ata_bmdma_drive_eh(ap, it8213_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
57} 44}
58 45
59/** 46/**
@@ -243,53 +230,16 @@ static void it8213_set_dmamode (struct ata_port *ap, struct ata_device *adev)
243} 230}
244 231
245static struct scsi_host_template it8213_sht = { 232static struct scsi_host_template it8213_sht = {
246 .module = THIS_MODULE, 233 ATA_BMDMA_SHT(DRV_NAME),
247 .name = DRV_NAME,
248 .ioctl = ata_scsi_ioctl,
249 .queuecommand = ata_scsi_queuecmd,
250 .can_queue = ATA_DEF_QUEUE,
251 .this_id = ATA_SHT_THIS_ID,
252 .sg_tablesize = LIBATA_MAX_PRD,
253 .max_sectors = ATA_MAX_SECTORS,
254 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
255 .emulated = ATA_SHT_EMULATED,
256 .use_clustering = ATA_SHT_USE_CLUSTERING,
257 .proc_name = DRV_NAME,
258 .dma_boundary = ATA_DMA_BOUNDARY,
259 .slave_configure = ata_scsi_slave_config,
260 .bios_param = ata_std_bios_param,
261}; 234};
262 235
263static const struct ata_port_operations it8213_ops = { 236
237static struct ata_port_operations it8213_ops = {
238 .inherits = &ata_bmdma_port_ops,
239 .cable_detect = it8213_cable_detect,
264 .set_piomode = it8213_set_piomode, 240 .set_piomode = it8213_set_piomode,
265 .set_dmamode = it8213_set_dmamode, 241 .set_dmamode = it8213_set_dmamode,
266 .mode_filter = ata_pci_default_filter, 242 .prereset = it8213_pre_reset,
267
268 .tf_load = ata_tf_load,
269 .tf_read = ata_tf_read,
270 .check_status = ata_check_status,
271 .exec_command = ata_exec_command,
272 .dev_select = ata_std_dev_select,
273
274 .freeze = ata_bmdma_freeze,
275 .thaw = ata_bmdma_thaw,
276 .error_handler = it8213_error_handler,
277 .post_internal_cmd = ata_bmdma_post_internal_cmd,
278 .cable_detect = it8213_cable_detect,
279
280 .bmdma_setup = ata_bmdma_setup,
281 .bmdma_start = ata_bmdma_start,
282 .bmdma_stop = ata_bmdma_stop,
283 .bmdma_status = ata_bmdma_status,
284 .qc_prep = ata_qc_prep,
285 .qc_issue = ata_qc_issue_prot,
286 .data_xfer = ata_data_xfer,
287
288 .irq_handler = ata_interrupt,
289 .irq_clear = ata_bmdma_irq_clear,
290 .irq_on = ata_irq_on,
291
292 .port_start = ata_sff_port_start,
293}; 243};
294 244
295 245
@@ -311,7 +261,6 @@ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *en
311{ 261{
312 static int printed_version; 262 static int printed_version;
313 static const struct ata_port_info info = { 263 static const struct ata_port_info info = {
314 .sht = &it8213_sht,
315 .flags = ATA_FLAG_SLAVE_POSS, 264 .flags = ATA_FLAG_SLAVE_POSS,
316 .pio_mask = 0x1f, /* pio0-4 */ 265 .pio_mask = 0x1f, /* pio0-4 */
317 .mwdma_mask = 0x07, /* mwdma0-2 */ 266 .mwdma_mask = 0x07, /* mwdma0-2 */
@@ -325,7 +274,7 @@ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *en
325 dev_printk(KERN_DEBUG, &pdev->dev, 274 dev_printk(KERN_DEBUG, &pdev->dev,
326 "version " DRV_VERSION "\n"); 275 "version " DRV_VERSION "\n");
327 276
328 return ata_pci_init_one(pdev, ppi); 277 return ata_pci_sff_init_one(pdev, ppi, &it8213_sht, NULL);
329} 278}
330 279
331static const struct pci_device_id it8213_pci_tbl[] = { 280static const struct pci_device_id it8213_pci_tbl[] = {
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 257951d03dbb..e10816931b2f 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -395,11 +395,11 @@ static void it821x_passthru_dev_select(struct ata_port *ap,
395 it821x_program(ap, adev, itdev->pio[adev->devno]); 395 it821x_program(ap, adev, itdev->pio[adev->devno]);
396 itdev->last_device = device; 396 itdev->last_device = device;
397 } 397 }
398 ata_std_dev_select(ap, device); 398 ata_sff_dev_select(ap, device);
399} 399}
400 400
401/** 401/**
402 * it821x_smart_qc_issue_prot - wrap qc issue prot 402 * it821x_smart_qc_issue - wrap qc issue prot
403 * @qc: command 403 * @qc: command
404 * 404 *
405 * Wrap the command issue sequence for the IT821x. We need to 405 * Wrap the command issue sequence for the IT821x. We need to
@@ -407,7 +407,7 @@ static void it821x_passthru_dev_select(struct ata_port *ap,
407 * usual happenings kick off 407 * usual happenings kick off
408 */ 408 */
409 409
410static unsigned int it821x_smart_qc_issue_prot(struct ata_queued_cmd *qc) 410static unsigned int it821x_smart_qc_issue(struct ata_queued_cmd *qc)
411{ 411{
412 switch(qc->tf.command) 412 switch(qc->tf.command)
413 { 413 {
@@ -427,14 +427,14 @@ static unsigned int it821x_smart_qc_issue_prot(struct ata_queued_cmd *qc)
427 case ATA_CMD_ID_ATA: 427 case ATA_CMD_ID_ATA:
428 /* Arguably should just no-op this one */ 428 /* Arguably should just no-op this one */
429 case ATA_CMD_SET_FEATURES: 429 case ATA_CMD_SET_FEATURES:
430 return ata_qc_issue_prot(qc); 430 return ata_sff_qc_issue(qc);
431 } 431 }
432 printk(KERN_DEBUG "it821x: can't process command 0x%02X\n", qc->tf.command); 432 printk(KERN_DEBUG "it821x: can't process command 0x%02X\n", qc->tf.command);
433 return AC_ERR_DEV; 433 return AC_ERR_DEV;
434} 434}
435 435
436/** 436/**
437 * it821x_passthru_qc_issue_prot - wrap qc issue prot 437 * it821x_passthru_qc_issue - wrap qc issue prot
438 * @qc: command 438 * @qc: command
439 * 439 *
440 * Wrap the command issue sequence for the IT821x. We need to 440 * Wrap the command issue sequence for the IT821x. We need to
@@ -442,10 +442,10 @@ static unsigned int it821x_smart_qc_issue_prot(struct ata_queued_cmd *qc)
442 * usual happenings kick off 442 * usual happenings kick off
443 */ 443 */
444 444
445static unsigned int it821x_passthru_qc_issue_prot(struct ata_queued_cmd *qc) 445static unsigned int it821x_passthru_qc_issue(struct ata_queued_cmd *qc)
446{ 446{
447 it821x_passthru_dev_select(qc->ap, qc->dev->devno); 447 it821x_passthru_dev_select(qc->ap, qc->dev->devno);
448 return ata_qc_issue_prot(qc); 448 return ata_sff_qc_issue(qc);
449} 449}
450 450
451/** 451/**
@@ -632,89 +632,34 @@ static int it821x_port_start(struct ata_port *ap)
632} 632}
633 633
634static struct scsi_host_template it821x_sht = { 634static struct scsi_host_template it821x_sht = {
635 .module = THIS_MODULE, 635 ATA_BMDMA_SHT(DRV_NAME),
636 .name = DRV_NAME,
637 .ioctl = ata_scsi_ioctl,
638 .queuecommand = ata_scsi_queuecmd,
639 .can_queue = ATA_DEF_QUEUE,
640 .this_id = ATA_SHT_THIS_ID,
641 .sg_tablesize = LIBATA_MAX_PRD,
642 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
643 .emulated = ATA_SHT_EMULATED,
644 .use_clustering = ATA_SHT_USE_CLUSTERING,
645 .proc_name = DRV_NAME,
646 .dma_boundary = ATA_DMA_BOUNDARY,
647 .slave_configure = ata_scsi_slave_config,
648 .slave_destroy = ata_scsi_slave_destroy,
649 .bios_param = ata_std_bios_param,
650}; 636};
651 637
652static struct ata_port_operations it821x_smart_port_ops = { 638static struct ata_port_operations it821x_smart_port_ops = {
653 .set_mode = it821x_smart_set_mode, 639 .inherits = &ata_bmdma_port_ops,
654 .tf_load = ata_tf_load,
655 .tf_read = ata_tf_read,
656 .mode_filter = ata_pci_default_filter,
657 640
658 .check_status = ata_check_status,
659 .check_atapi_dma= it821x_check_atapi_dma, 641 .check_atapi_dma= it821x_check_atapi_dma,
660 .exec_command = ata_exec_command, 642 .qc_issue = it821x_smart_qc_issue,
661 .dev_select = ata_std_dev_select,
662 .dev_config = it821x_dev_config,
663 643
664 .freeze = ata_bmdma_freeze,
665 .thaw = ata_bmdma_thaw,
666 .error_handler = ata_bmdma_error_handler,
667 .post_internal_cmd = ata_bmdma_post_internal_cmd,
668 .cable_detect = it821x_ident_hack, 644 .cable_detect = it821x_ident_hack,
669 645 .set_mode = it821x_smart_set_mode,
670 .bmdma_setup = ata_bmdma_setup, 646 .dev_config = it821x_dev_config,
671 .bmdma_start = ata_bmdma_start,
672 .bmdma_stop = ata_bmdma_stop,
673 .bmdma_status = ata_bmdma_status,
674
675 .qc_prep = ata_qc_prep,
676 .qc_issue = it821x_smart_qc_issue_prot,
677
678 .data_xfer = ata_data_xfer,
679
680 .irq_handler = ata_interrupt,
681 .irq_clear = ata_bmdma_irq_clear,
682 .irq_on = ata_irq_on,
683 647
684 .port_start = it821x_port_start, 648 .port_start = it821x_port_start,
685}; 649};
686 650
687static struct ata_port_operations it821x_passthru_port_ops = { 651static struct ata_port_operations it821x_passthru_port_ops = {
688 .set_piomode = it821x_passthru_set_piomode, 652 .inherits = &ata_bmdma_port_ops,
689 .set_dmamode = it821x_passthru_set_dmamode,
690 .mode_filter = ata_pci_default_filter,
691 653
692 .tf_load = ata_tf_load,
693 .tf_read = ata_tf_read,
694 .check_status = ata_check_status,
695 .exec_command = ata_exec_command,
696 .check_atapi_dma= it821x_check_atapi_dma, 654 .check_atapi_dma= it821x_check_atapi_dma,
697 .dev_select = it821x_passthru_dev_select, 655 .sff_dev_select = it821x_passthru_dev_select,
698
699 .freeze = ata_bmdma_freeze,
700 .thaw = ata_bmdma_thaw,
701 .error_handler = ata_bmdma_error_handler,
702 .post_internal_cmd = ata_bmdma_post_internal_cmd,
703 .cable_detect = ata_cable_unknown,
704
705 .bmdma_setup = ata_bmdma_setup,
706 .bmdma_start = it821x_passthru_bmdma_start, 656 .bmdma_start = it821x_passthru_bmdma_start,
707 .bmdma_stop = it821x_passthru_bmdma_stop, 657 .bmdma_stop = it821x_passthru_bmdma_stop,
708 .bmdma_status = ata_bmdma_status, 658 .qc_issue = it821x_passthru_qc_issue,
709
710 .qc_prep = ata_qc_prep,
711 .qc_issue = it821x_passthru_qc_issue_prot,
712
713 .data_xfer = ata_data_xfer,
714 659
715 .irq_clear = ata_bmdma_irq_clear, 660 .cable_detect = ata_cable_unknown,
716 .irq_handler = ata_interrupt, 661 .set_piomode = it821x_passthru_set_piomode,
717 .irq_on = ata_irq_on, 662 .set_dmamode = it821x_passthru_set_dmamode,
718 663
719 .port_start = it821x_port_start, 664 .port_start = it821x_port_start,
720}; 665};
@@ -742,14 +687,12 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
742 u8 conf; 687 u8 conf;
743 688
744 static const struct ata_port_info info_smart = { 689 static const struct ata_port_info info_smart = {
745 .sht = &it821x_sht,
746 .flags = ATA_FLAG_SLAVE_POSS, 690 .flags = ATA_FLAG_SLAVE_POSS,
747 .pio_mask = 0x1f, 691 .pio_mask = 0x1f,
748 .mwdma_mask = 0x07, 692 .mwdma_mask = 0x07,
749 .port_ops = &it821x_smart_port_ops 693 .port_ops = &it821x_smart_port_ops
750 }; 694 };
751 static const struct ata_port_info info_passthru = { 695 static const struct ata_port_info info_passthru = {
752 .sht = &it821x_sht,
753 .flags = ATA_FLAG_SLAVE_POSS, 696 .flags = ATA_FLAG_SLAVE_POSS,
754 .pio_mask = 0x1f, 697 .pio_mask = 0x1f,
755 .mwdma_mask = 0x07, 698 .mwdma_mask = 0x07,
@@ -759,6 +702,11 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
759 702
760 const struct ata_port_info *ppi[] = { NULL, NULL }; 703 const struct ata_port_info *ppi[] = { NULL, NULL };
761 static char *mode[2] = { "pass through", "smart" }; 704 static char *mode[2] = { "pass through", "smart" };
705 int rc;
706
707 rc = pcim_enable_device(pdev);
708 if (rc)
709 return rc;
762 710
763 /* Force the card into bypass mode if so requested */ 711 /* Force the card into bypass mode if so requested */
764 if (it8212_noraid) { 712 if (it8212_noraid) {
@@ -774,16 +722,23 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
774 else 722 else
775 ppi[0] = &info_smart; 723 ppi[0] = &info_smart;
776 724
777 return ata_pci_init_one(pdev, ppi); 725 return ata_pci_sff_init_one(pdev, ppi, &it821x_sht, NULL);
778} 726}
779 727
780#ifdef CONFIG_PM 728#ifdef CONFIG_PM
781static int it821x_reinit_one(struct pci_dev *pdev) 729static int it821x_reinit_one(struct pci_dev *pdev)
782{ 730{
731 struct ata_host *host = dev_get_drvdata(&pdev->dev);
732 int rc;
733
734 rc = ata_pci_device_do_resume(pdev);
735 if (rc)
736 return rc;
783 /* Resume - turn raid back off if need be */ 737 /* Resume - turn raid back off if need be */
784 if (it8212_noraid) 738 if (it8212_noraid)
785 it821x_disable_raid(pdev); 739 it821x_disable_raid(pdev);
786 return ata_pci_device_resume(pdev); 740 ata_host_resume(host);
741 return rc;
787} 742}
788#endif 743#endif
789 744
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 030878fedeb5..8a175f23b907 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -88,48 +88,14 @@ static unsigned int ixp4xx_mmio_data_xfer(struct ata_device *dev,
88} 88}
89 89
90static struct scsi_host_template ixp4xx_sht = { 90static struct scsi_host_template ixp4xx_sht = {
91 .module = THIS_MODULE, 91 ATA_PIO_SHT(DRV_NAME),
92 .name = DRV_NAME,
93 .ioctl = ata_scsi_ioctl,
94 .queuecommand = ata_scsi_queuecmd,
95 .can_queue = ATA_DEF_QUEUE,
96 .this_id = ATA_SHT_THIS_ID,
97 .sg_tablesize = LIBATA_MAX_PRD,
98 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
99 .emulated = ATA_SHT_EMULATED,
100 .use_clustering = ATA_SHT_USE_CLUSTERING,
101 .proc_name = DRV_NAME,
102 .dma_boundary = ATA_DMA_BOUNDARY,
103 .slave_configure = ata_scsi_slave_config,
104 .slave_destroy = ata_scsi_slave_destroy,
105 .bios_param = ata_std_bios_param,
106}; 92};
107 93
108static struct ata_port_operations ixp4xx_port_ops = { 94static struct ata_port_operations ixp4xx_port_ops = {
109 .set_mode = ixp4xx_set_mode, 95 .inherits = &ata_sff_port_ops,
110 .mode_filter = ata_pci_default_filter, 96 .sff_data_xfer = ixp4xx_mmio_data_xfer,
111
112 .tf_load = ata_tf_load,
113 .tf_read = ata_tf_read,
114 .exec_command = ata_exec_command,
115 .check_status = ata_check_status,
116 .dev_select = ata_std_dev_select,
117
118 .freeze = ata_bmdma_freeze,
119 .thaw = ata_bmdma_thaw,
120 .error_handler = ata_bmdma_error_handler,
121 .post_internal_cmd = ata_bmdma_post_internal_cmd,
122
123 .qc_prep = ata_qc_prep,
124 .qc_issue = ata_qc_issue_prot,
125 .data_xfer = ixp4xx_mmio_data_xfer,
126 .cable_detect = ata_cable_40wire, 97 .cable_detect = ata_cable_40wire,
127 98 .set_mode = ixp4xx_set_mode,
128 .irq_handler = ata_interrupt,
129 .irq_clear = ata_bmdma_irq_clear,
130 .irq_on = ata_irq_on,
131
132 .port_start = ata_port_start,
133}; 99};
134 100
135static void ixp4xx_setup_port(struct ata_port *ap, 101static void ixp4xx_setup_port(struct ata_port *ap,
@@ -144,7 +110,7 @@ static void ixp4xx_setup_port(struct ata_port *ap,
144 ioaddr->altstatus_addr = data->cs1 + 0x06; 110 ioaddr->altstatus_addr = data->cs1 + 0x06;
145 ioaddr->ctl_addr = data->cs1 + 0x06; 111 ioaddr->ctl_addr = data->cs1 + 0x06;
146 112
147 ata_std_ports(ioaddr); 113 ata_sff_std_ports(ioaddr);
148 114
149#ifndef __ARMEB__ 115#ifndef __ARMEB__
150 116
@@ -220,7 +186,7 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
220 dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); 186 dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n");
221 187
222 /* activate host */ 188 /* activate host */
223 return ata_host_activate(host, irq, ata_interrupt, 0, &ixp4xx_sht); 189 return ata_host_activate(host, irq, ata_sff_interrupt, 0, &ixp4xx_sht);
224} 190}
225 191
226static __devexit int ixp4xx_pata_remove(struct platform_device *dev) 192static __devexit int ixp4xx_pata_remove(struct platform_device *dev)
diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c
index 00bbbbd50e97..73b7596816b4 100644
--- a/drivers/ata/pata_jmicron.c
+++ b/drivers/ata/pata_jmicron.c
@@ -102,73 +102,18 @@ static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline)
102 ap->cbl = ATA_CBL_SATA; 102 ap->cbl = ATA_CBL_SATA;
103 break; 103 break;
104 } 104 }
105 return ata_std_prereset(link, deadline); 105 return ata_sff_prereset(link, deadline);
106}
107
108/**
109 * jmicron_error_handler - Setup and error handler
110 * @ap: Port to handle
111 *
112 * LOCKING:
113 * None (inherited from caller).
114 */
115
116static void jmicron_error_handler(struct ata_port *ap)
117{
118 ata_bmdma_drive_eh(ap, jmicron_pre_reset, ata_std_softreset, NULL,
119 ata_std_postreset);
120} 106}
121 107
122/* No PIO or DMA methods needed for this device */ 108/* No PIO or DMA methods needed for this device */
123 109
124static struct scsi_host_template jmicron_sht = { 110static struct scsi_host_template jmicron_sht = {
125 .module = THIS_MODULE, 111 ATA_BMDMA_SHT(DRV_NAME),
126 .name = DRV_NAME,
127 .ioctl = ata_scsi_ioctl,
128 .queuecommand = ata_scsi_queuecmd,
129 .can_queue = ATA_DEF_QUEUE,
130 .this_id = ATA_SHT_THIS_ID,
131 .sg_tablesize = LIBATA_MAX_PRD,
132 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
133 .emulated = ATA_SHT_EMULATED,
134 .use_clustering = ATA_SHT_USE_CLUSTERING,
135 .proc_name = DRV_NAME,
136 .dma_boundary = ATA_DMA_BOUNDARY,
137 .slave_configure = ata_scsi_slave_config,
138 .slave_destroy = ata_scsi_slave_destroy,
139 /* Use standard CHS mapping rules */
140 .bios_param = ata_std_bios_param,
141}; 112};
142 113
143static const struct ata_port_operations jmicron_ops = { 114static struct ata_port_operations jmicron_ops = {
144 /* Task file is PCI ATA format, use helpers */ 115 .inherits = &ata_bmdma_port_ops,
145 .tf_load = ata_tf_load, 116 .prereset = jmicron_pre_reset,
146 .tf_read = ata_tf_read,
147 .check_status = ata_check_status,
148 .exec_command = ata_exec_command,
149 .dev_select = ata_std_dev_select,
150
151 .freeze = ata_bmdma_freeze,
152 .thaw = ata_bmdma_thaw,
153 .error_handler = jmicron_error_handler,
154 .post_internal_cmd = ata_bmdma_post_internal_cmd,
155
156 /* BMDMA handling is PCI ATA format, use helpers */
157 .bmdma_setup = ata_bmdma_setup,
158 .bmdma_start = ata_bmdma_start,
159 .bmdma_stop = ata_bmdma_stop,
160 .bmdma_status = ata_bmdma_status,
161 .qc_prep = ata_qc_prep,
162 .qc_issue = ata_qc_issue_prot,
163 .data_xfer = ata_data_xfer,
164
165 /* IRQ-related hooks */
166 .irq_handler = ata_interrupt,
167 .irq_clear = ata_bmdma_irq_clear,
168 .irq_on = ata_irq_on,
169
170 /* Generic PATA PCI ATA helpers */
171 .port_start = ata_port_start,
172}; 117};
173 118
174 119
@@ -189,7 +134,6 @@ static const struct ata_port_operations jmicron_ops = {
189static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *id) 134static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
190{ 135{
191 static const struct ata_port_info info = { 136 static const struct ata_port_info info = {
192 .sht = &jmicron_sht,
193 .flags = ATA_FLAG_SLAVE_POSS, 137 .flags = ATA_FLAG_SLAVE_POSS,
194 138
195 .pio_mask = 0x1f, 139 .pio_mask = 0x1f,
@@ -200,7 +144,7 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i
200 }; 144 };
201 const struct ata_port_info *ppi[] = { &info, NULL }; 145 const struct ata_port_info *ppi[] = { &info, NULL };
202 146
203 return ata_pci_init_one(pdev, ppi); 147 return ata_pci_sff_init_one(pdev, ppi, &jmicron_sht, NULL);
204} 148}
205 149
206static const struct pci_device_id jmicron_pci_tbl[] = { 150static const struct pci_device_id jmicron_pci_tbl[] = {
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 50fe08ebe23c..7af4b29cc422 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -208,21 +208,12 @@ static int legacy_set_mode(struct ata_link *link, struct ata_device **unused)
208} 208}
209 209
210static struct scsi_host_template legacy_sht = { 210static struct scsi_host_template legacy_sht = {
211 .module = THIS_MODULE, 211 ATA_PIO_SHT(DRV_NAME),
212 .name = DRV_NAME, 212};
213 .ioctl = ata_scsi_ioctl, 213
214 .queuecommand = ata_scsi_queuecmd, 214static const struct ata_port_operations legacy_base_port_ops = {
215 .can_queue = ATA_DEF_QUEUE, 215 .inherits = &ata_sff_port_ops,
216 .this_id = ATA_SHT_THIS_ID, 216 .cable_detect = ata_cable_40wire,
217 .sg_tablesize = LIBATA_MAX_PRD,
218 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
219 .emulated = ATA_SHT_EMULATED,
220 .use_clustering = ATA_SHT_USE_CLUSTERING,
221 .proc_name = DRV_NAME,
222 .dma_boundary = ATA_DMA_BOUNDARY,
223 .slave_configure = ata_scsi_slave_config,
224 .slave_destroy = ata_scsi_slave_destroy,
225 .bios_param = ata_std_bios_param,
226}; 217};
227 218
228/* 219/*
@@ -234,55 +225,14 @@ static struct scsi_host_template legacy_sht = {
234 */ 225 */
235 226
236static struct ata_port_operations simple_port_ops = { 227static struct ata_port_operations simple_port_ops = {
237 .tf_load = ata_tf_load, 228 .inherits = &legacy_base_port_ops,
238 .tf_read = ata_tf_read, 229 .sff_data_xfer = ata_sff_data_xfer_noirq,
239 .check_status = ata_check_status,
240 .exec_command = ata_exec_command,
241 .dev_select = ata_std_dev_select,
242
243 .freeze = ata_bmdma_freeze,
244 .thaw = ata_bmdma_thaw,
245 .error_handler = ata_bmdma_error_handler,
246 .post_internal_cmd = ata_bmdma_post_internal_cmd,
247 .cable_detect = ata_cable_40wire,
248
249 .qc_prep = ata_qc_prep,
250 .qc_issue = ata_qc_issue_prot,
251
252 .data_xfer = ata_data_xfer_noirq,
253
254 .irq_handler = ata_interrupt,
255 .irq_clear = ata_bmdma_irq_clear,
256 .irq_on = ata_irq_on,
257
258 .port_start = ata_sff_port_start,
259}; 230};
260 231
261static struct ata_port_operations legacy_port_ops = { 232static struct ata_port_operations legacy_port_ops = {
233 .inherits = &legacy_base_port_ops,
234 .sff_data_xfer = ata_sff_data_xfer_noirq,
262 .set_mode = legacy_set_mode, 235 .set_mode = legacy_set_mode,
263
264 .tf_load = ata_tf_load,
265 .tf_read = ata_tf_read,
266 .check_status = ata_check_status,
267 .exec_command = ata_exec_command,
268 .dev_select = ata_std_dev_select,
269 .cable_detect = ata_cable_40wire,
270
271 .freeze = ata_bmdma_freeze,
272 .thaw = ata_bmdma_thaw,
273 .error_handler = ata_bmdma_error_handler,
274 .post_internal_cmd = ata_bmdma_post_internal_cmd,
275
276 .qc_prep = ata_qc_prep,
277 .qc_issue = ata_qc_issue_prot,
278
279 .data_xfer = ata_data_xfer_noirq,
280
281 .irq_handler = ata_interrupt,
282 .irq_clear = ata_bmdma_irq_clear,
283 .irq_on = ata_irq_on,
284
285 .port_start = ata_sff_port_start,
286}; 236};
287 237
288/* 238/*
@@ -367,36 +317,15 @@ static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
367 } 317 }
368 local_irq_restore(flags); 318 local_irq_restore(flags);
369 } else 319 } else
370 buflen = ata_data_xfer_noirq(dev, buf, buflen, rw); 320 buflen = ata_sff_data_xfer_noirq(dev, buf, buflen, rw);
371 321
372 return buflen; 322 return buflen;
373} 323}
374 324
375static struct ata_port_operations pdc20230_port_ops = { 325static struct ata_port_operations pdc20230_port_ops = {
326 .inherits = &legacy_base_port_ops,
376 .set_piomode = pdc20230_set_piomode, 327 .set_piomode = pdc20230_set_piomode,
377 328 .sff_data_xfer = pdc_data_xfer_vlb,
378 .tf_load = ata_tf_load,
379 .tf_read = ata_tf_read,
380 .check_status = ata_check_status,
381 .exec_command = ata_exec_command,
382 .dev_select = ata_std_dev_select,
383
384 .freeze = ata_bmdma_freeze,
385 .thaw = ata_bmdma_thaw,
386 .error_handler = ata_bmdma_error_handler,
387 .post_internal_cmd = ata_bmdma_post_internal_cmd,
388 .cable_detect = ata_cable_40wire,
389
390 .qc_prep = ata_qc_prep,
391 .qc_issue = ata_qc_issue_prot,
392
393 .data_xfer = pdc_data_xfer_vlb,
394
395 .irq_handler = ata_interrupt,
396 .irq_clear = ata_bmdma_irq_clear,
397 .irq_on = ata_irq_on,
398
399 .port_start = ata_sff_port_start,
400}; 329};
401 330
402/* 331/*
@@ -427,30 +356,8 @@ static void ht6560a_set_piomode(struct ata_port *ap, struct ata_device *adev)
427} 356}
428 357
429static struct ata_port_operations ht6560a_port_ops = { 358static struct ata_port_operations ht6560a_port_ops = {
359 .inherits = &legacy_base_port_ops,
430 .set_piomode = ht6560a_set_piomode, 360 .set_piomode = ht6560a_set_piomode,
431
432 .tf_load = ata_tf_load,
433 .tf_read = ata_tf_read,
434 .check_status = ata_check_status,
435 .exec_command = ata_exec_command,
436 .dev_select = ata_std_dev_select,
437
438 .freeze = ata_bmdma_freeze,
439 .thaw = ata_bmdma_thaw,
440 .error_handler = ata_bmdma_error_handler,
441 .post_internal_cmd = ata_bmdma_post_internal_cmd,
442 .cable_detect = ata_cable_40wire,
443
444 .qc_prep = ata_qc_prep,
445 .qc_issue = ata_qc_issue_prot,
446
447 .data_xfer = ata_data_xfer, /* Check vlb/noirq */
448
449 .irq_handler = ata_interrupt,
450 .irq_clear = ata_bmdma_irq_clear,
451 .irq_on = ata_irq_on,
452
453 .port_start = ata_sff_port_start,
454}; 361};
455 362
456/* 363/*
@@ -492,30 +399,8 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev)
492} 399}
493 400
494static struct ata_port_operations ht6560b_port_ops = { 401static struct ata_port_operations ht6560b_port_ops = {
402 .inherits = &legacy_base_port_ops,
495 .set_piomode = ht6560b_set_piomode, 403 .set_piomode = ht6560b_set_piomode,
496
497 .tf_load = ata_tf_load,
498 .tf_read = ata_tf_read,
499 .check_status = ata_check_status,
500 .exec_command = ata_exec_command,
501 .dev_select = ata_std_dev_select,
502
503 .freeze = ata_bmdma_freeze,
504 .thaw = ata_bmdma_thaw,
505 .error_handler = ata_bmdma_error_handler,
506 .post_internal_cmd = ata_bmdma_post_internal_cmd,
507 .cable_detect = ata_cable_40wire,
508
509 .qc_prep = ata_qc_prep,
510 .qc_issue = ata_qc_issue_prot,
511
512 .data_xfer = ata_data_xfer, /* FIXME: Check 32bit and noirq */
513
514 .irq_handler = ata_interrupt,
515 .irq_clear = ata_bmdma_irq_clear,
516 .irq_on = ata_irq_on,
517
518 .port_start = ata_sff_port_start,
519}; 404};
520 405
521/* 406/*
@@ -613,30 +498,8 @@ static void opti82c611a_set_piomode(struct ata_port *ap,
613 498
614 499
615static struct ata_port_operations opti82c611a_port_ops = { 500static struct ata_port_operations opti82c611a_port_ops = {
501 .inherits = &legacy_base_port_ops,
616 .set_piomode = opti82c611a_set_piomode, 502 .set_piomode = opti82c611a_set_piomode,
617
618 .tf_load = ata_tf_load,
619 .tf_read = ata_tf_read,
620 .check_status = ata_check_status,
621 .exec_command = ata_exec_command,
622 .dev_select = ata_std_dev_select,
623
624 .freeze = ata_bmdma_freeze,
625 .thaw = ata_bmdma_thaw,
626 .error_handler = ata_bmdma_error_handler,
627 .post_internal_cmd = ata_bmdma_post_internal_cmd,
628 .cable_detect = ata_cable_40wire,
629
630 .qc_prep = ata_qc_prep,
631 .qc_issue = ata_qc_issue_prot,
632
633 .data_xfer = ata_data_xfer,
634
635 .irq_handler = ata_interrupt,
636 .irq_clear = ata_bmdma_irq_clear,
637 .irq_on = ata_irq_on,
638
639 .port_start = ata_sff_port_start,
640}; 503};
641 504
642/* 505/*
@@ -716,7 +579,7 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev)
716} 579}
717 580
718/** 581/**
719 * opt82c465mv_qc_issue_prot - command issue 582 * opt82c465mv_qc_issue - command issue
720 * @qc: command pending 583 * @qc: command pending
721 * 584 *
722 * Called when the libata layer is about to issue a command. We wrap 585 * Called when the libata layer is about to issue a command. We wrap
@@ -730,7 +593,7 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev)
730 * FIXME: dual channel needs ->serialize support 593 * FIXME: dual channel needs ->serialize support
731 */ 594 */
732 595
733static unsigned int opti82c46x_qc_issue_prot(struct ata_queued_cmd *qc) 596static unsigned int opti82c46x_qc_issue(struct ata_queued_cmd *qc)
734{ 597{
735 struct ata_port *ap = qc->ap; 598 struct ata_port *ap = qc->ap;
736 struct ata_device *adev = qc->dev; 599 struct ata_device *adev = qc->dev;
@@ -741,34 +604,13 @@ static unsigned int opti82c46x_qc_issue_prot(struct ata_queued_cmd *qc)
741 && ap->host->private_data != NULL) 604 && ap->host->private_data != NULL)
742 opti82c46x_set_piomode(ap, adev); 605 opti82c46x_set_piomode(ap, adev);
743 606
744 return ata_qc_issue_prot(qc); 607 return ata_sff_qc_issue(qc);
745} 608}
746 609
747static struct ata_port_operations opti82c46x_port_ops = { 610static struct ata_port_operations opti82c46x_port_ops = {
611 .inherits = &legacy_base_port_ops,
748 .set_piomode = opti82c46x_set_piomode, 612 .set_piomode = opti82c46x_set_piomode,
749 613 .qc_issue = opti82c46x_qc_issue,
750 .tf_load = ata_tf_load,
751 .tf_read = ata_tf_read,
752 .check_status = ata_check_status,
753 .exec_command = ata_exec_command,
754 .dev_select = ata_std_dev_select,
755
756 .freeze = ata_bmdma_freeze,
757 .thaw = ata_bmdma_thaw,
758 .error_handler = ata_bmdma_error_handler,
759 .post_internal_cmd = ata_bmdma_post_internal_cmd,
760 .cable_detect = ata_cable_40wire,
761
762 .qc_prep = ata_qc_prep,
763 .qc_issue = opti82c46x_qc_issue_prot,
764
765 .data_xfer = ata_data_xfer,
766
767 .irq_handler = ata_interrupt,
768 .irq_clear = ata_bmdma_irq_clear,
769 .irq_on = ata_irq_on,
770
771 .port_start = ata_sff_port_start,
772}; 614};
773 615
774static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev) 616static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev)
@@ -802,7 +644,7 @@ static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev)
802 * @irq: interrupt line 644 * @irq: interrupt line
803 * 645 *
804 * In dual channel mode the 6580 has one clock per channel and we have 646 * In dual channel mode the 6580 has one clock per channel and we have
805 * to software clockswitch in qc_issue_prot. 647 * to software clockswitch in qc_issue.
806 */ 648 */
807 649
808static void qdi6580dp_set_piomode(struct ata_port *ap, struct ata_device *adev) 650static void qdi6580dp_set_piomode(struct ata_port *ap, struct ata_device *adev)
@@ -868,14 +710,14 @@ static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev)
868} 710}
869 711
870/** 712/**
871 * qdi_qc_issue_prot - command issue 713 * qdi_qc_issue - command issue
872 * @qc: command pending 714 * @qc: command pending
873 * 715 *
874 * Called when the libata layer is about to issue a command. We wrap 716 * Called when the libata layer is about to issue a command. We wrap
875 * this interface so that we can load the correct ATA timings. 717 * this interface so that we can load the correct ATA timings.
876 */ 718 */
877 719
878static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc) 720static unsigned int qdi_qc_issue(struct ata_queued_cmd *qc)
879{ 721{
880 struct ata_port *ap = qc->ap; 722 struct ata_port *ap = qc->ap;
881 struct ata_device *adev = qc->dev; 723 struct ata_device *adev = qc->dev;
@@ -888,7 +730,7 @@ static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc)
888 2 * ap->port_no); 730 2 * ap->port_no);
889 } 731 }
890 } 732 }
891 return ata_qc_issue_prot(qc); 733 return ata_sff_qc_issue(qc);
892} 734}
893 735
894static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf, 736static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
@@ -917,7 +759,7 @@ static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
917 } 759 }
918 return (buflen + 3) & ~3; 760 return (buflen + 3) & ~3;
919 } else 761 } else
920 return ata_data_xfer(adev, buf, buflen, rw); 762 return ata_sff_data_xfer(adev, buf, buflen, rw);
921} 763}
922 764
923static int qdi_port(struct platform_device *dev, 765static int qdi_port(struct platform_device *dev,
@@ -930,84 +772,22 @@ static int qdi_port(struct platform_device *dev,
930} 772}
931 773
932static struct ata_port_operations qdi6500_port_ops = { 774static struct ata_port_operations qdi6500_port_ops = {
775 .inherits = &legacy_base_port_ops,
933 .set_piomode = qdi6500_set_piomode, 776 .set_piomode = qdi6500_set_piomode,
934 777 .qc_issue = qdi_qc_issue,
935 .tf_load = ata_tf_load, 778 .sff_data_xfer = vlb32_data_xfer,
936 .tf_read = ata_tf_read,
937 .check_status = ata_check_status,
938 .exec_command = ata_exec_command,
939 .dev_select = ata_std_dev_select,
940
941 .freeze = ata_bmdma_freeze,
942 .thaw = ata_bmdma_thaw,
943 .error_handler = ata_bmdma_error_handler,
944 .post_internal_cmd = ata_bmdma_post_internal_cmd,
945 .cable_detect = ata_cable_40wire,
946
947 .qc_prep = ata_qc_prep,
948 .qc_issue = qdi_qc_issue_prot,
949
950 .data_xfer = vlb32_data_xfer,
951
952 .irq_handler = ata_interrupt,
953 .irq_clear = ata_bmdma_irq_clear,
954 .irq_on = ata_irq_on,
955
956 .port_start = ata_sff_port_start,
957}; 779};
958 780
959static struct ata_port_operations qdi6580_port_ops = { 781static struct ata_port_operations qdi6580_port_ops = {
782 .inherits = &legacy_base_port_ops,
960 .set_piomode = qdi6580_set_piomode, 783 .set_piomode = qdi6580_set_piomode,
961 784 .sff_data_xfer = vlb32_data_xfer,
962 .tf_load = ata_tf_load,
963 .tf_read = ata_tf_read,
964 .check_status = ata_check_status,
965 .exec_command = ata_exec_command,
966 .dev_select = ata_std_dev_select,
967
968 .freeze = ata_bmdma_freeze,
969 .thaw = ata_bmdma_thaw,
970 .error_handler = ata_bmdma_error_handler,
971 .post_internal_cmd = ata_bmdma_post_internal_cmd,
972 .cable_detect = ata_cable_40wire,
973
974 .qc_prep = ata_qc_prep,
975 .qc_issue = ata_qc_issue_prot,
976
977 .data_xfer = vlb32_data_xfer,
978
979 .irq_handler = ata_interrupt,
980 .irq_clear = ata_bmdma_irq_clear,
981 .irq_on = ata_irq_on,
982
983 .port_start = ata_sff_port_start,
984}; 785};
985 786
986static struct ata_port_operations qdi6580dp_port_ops = { 787static struct ata_port_operations qdi6580dp_port_ops = {
788 .inherits = &legacy_base_port_ops,
987 .set_piomode = qdi6580dp_set_piomode, 789 .set_piomode = qdi6580dp_set_piomode,
988 790 .sff_data_xfer = vlb32_data_xfer,
989 .tf_load = ata_tf_load,
990 .tf_read = ata_tf_read,
991 .check_status = ata_check_status,
992 .exec_command = ata_exec_command,
993 .dev_select = ata_std_dev_select,
994
995 .freeze = ata_bmdma_freeze,
996 .thaw = ata_bmdma_thaw,
997 .error_handler = ata_bmdma_error_handler,
998 .post_internal_cmd = ata_bmdma_post_internal_cmd,
999 .cable_detect = ata_cable_40wire,
1000
1001 .qc_prep = ata_qc_prep,
1002 .qc_issue = qdi_qc_issue_prot,
1003
1004 .data_xfer = vlb32_data_xfer,
1005
1006 .irq_handler = ata_interrupt,
1007 .irq_clear = ata_bmdma_irq_clear,
1008 .irq_on = ata_irq_on,
1009
1010 .port_start = ata_sff_port_start,
1011}; 791};
1012 792
1013static DEFINE_SPINLOCK(winbond_lock); 793static DEFINE_SPINLOCK(winbond_lock);
@@ -1076,29 +856,9 @@ static int winbond_port(struct platform_device *dev,
1076} 856}
1077 857
1078static struct ata_port_operations winbond_port_ops = { 858static struct ata_port_operations winbond_port_ops = {
859 .inherits = &legacy_base_port_ops,
1079 .set_piomode = winbond_set_piomode, 860 .set_piomode = winbond_set_piomode,
1080 861 .sff_data_xfer = vlb32_data_xfer,
1081 .tf_load = ata_tf_load,
1082 .tf_read = ata_tf_read,
1083 .check_status = ata_check_status,
1084 .exec_command = ata_exec_command,
1085 .dev_select = ata_std_dev_select,
1086
1087 .freeze = ata_bmdma_freeze,
1088 .thaw = ata_bmdma_thaw,
1089 .error_handler = ata_bmdma_error_handler,
1090 .post_internal_cmd = ata_bmdma_post_internal_cmd,
1091 .cable_detect = ata_cable_40wire,
1092
1093 .qc_prep = ata_qc_prep,
1094 .qc_issue = ata_qc_issue_prot,
1095
1096 .data_xfer = vlb32_data_xfer,
1097
1098 .irq_clear = ata_bmdma_irq_clear,
1099 .irq_on = ata_irq_on,
1100
1101 .port_start = ata_sff_port_start,
1102}; 862};
1103 863
1104static struct legacy_controller controllers[] = { 864static struct legacy_controller controllers[] = {
@@ -1256,13 +1016,13 @@ static __init int legacy_init_one(struct legacy_probe *probe)
1256 ap->ioaddr.cmd_addr = io_addr; 1016 ap->ioaddr.cmd_addr = io_addr;
1257 ap->ioaddr.altstatus_addr = ctrl_addr; 1017 ap->ioaddr.altstatus_addr = ctrl_addr;
1258 ap->ioaddr.ctl_addr = ctrl_addr; 1018 ap->ioaddr.ctl_addr = ctrl_addr;
1259 ata_std_ports(&ap->ioaddr); 1019 ata_sff_std_ports(&ap->ioaddr);
1260 ap->host->private_data = ld; 1020 ap->host->private_data = ld;
1261 1021
1262 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io, io + 0x0206); 1022 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io, io + 0x0206);
1263 1023
1264 ret = ata_host_activate(host, probe->irq, ata_interrupt, 0, 1024 ret = ata_host_activate(host, probe->irq, ata_sff_interrupt, 0,
1265 &legacy_sht); 1025 &legacy_sht);
1266 if (ret) 1026 if (ret)
1267 goto fail; 1027 goto fail;
1268 ld->platform_dev = pdev; 1028 ld->platform_dev = pdev;
diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index a81f25d87235..24a011b25024 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -55,7 +55,7 @@ static int marvell_pre_reset(struct ata_link *link, unsigned long deadline)
55 (!(devices & 0x10))) /* PATA enable ? */ 55 (!(devices & 0x10))) /* PATA enable ? */
56 return -ENOENT; 56 return -ENOENT;
57 57
58 return ata_std_prereset(link, deadline); 58 return ata_sff_prereset(link, deadline);
59} 59}
60 60
61static int marvell_cable_detect(struct ata_port *ap) 61static int marvell_cable_detect(struct ata_port *ap)
@@ -75,71 +75,16 @@ static int marvell_cable_detect(struct ata_port *ap)
75 return 0; /* Our BUG macro needs the right markup */ 75 return 0; /* Our BUG macro needs the right markup */
76} 76}
77 77
78/**
79 * marvell_error_handler - Setup and error handler
80 * @ap: Port to handle
81 *
82 * LOCKING:
83 * None (inherited from caller).
84 */
85
86static void marvell_error_handler(struct ata_port *ap)
87{
88 ata_bmdma_drive_eh(ap, marvell_pre_reset, ata_std_softreset, NULL,
89 ata_std_postreset);
90}
91
92/* No PIO or DMA methods needed for this device */ 78/* No PIO or DMA methods needed for this device */
93 79
94static struct scsi_host_template marvell_sht = { 80static struct scsi_host_template marvell_sht = {
95 .module = THIS_MODULE, 81 ATA_BMDMA_SHT(DRV_NAME),
96 .name = DRV_NAME,
97 .ioctl = ata_scsi_ioctl,
98 .queuecommand = ata_scsi_queuecmd,
99 .can_queue = ATA_DEF_QUEUE,
100 .this_id = ATA_SHT_THIS_ID,
101 .sg_tablesize = LIBATA_MAX_PRD,
102 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
103 .emulated = ATA_SHT_EMULATED,
104 .use_clustering = ATA_SHT_USE_CLUSTERING,
105 .proc_name = DRV_NAME,
106 .dma_boundary = ATA_DMA_BOUNDARY,
107 .slave_configure = ata_scsi_slave_config,
108 .slave_destroy = ata_scsi_slave_destroy,
109 /* Use standard CHS mapping rules */
110 .bios_param = ata_std_bios_param,
111}; 82};
112 83
113static const struct ata_port_operations marvell_ops = { 84static struct ata_port_operations marvell_ops = {
114 /* Task file is PCI ATA format, use helpers */ 85 .inherits = &ata_bmdma_port_ops,
115 .tf_load = ata_tf_load,
116 .tf_read = ata_tf_read,
117 .check_status = ata_check_status,
118 .exec_command = ata_exec_command,
119 .dev_select = ata_std_dev_select,
120
121 .freeze = ata_bmdma_freeze,
122 .thaw = ata_bmdma_thaw,
123 .error_handler = marvell_error_handler,
124 .post_internal_cmd = ata_bmdma_post_internal_cmd,
125 .cable_detect = marvell_cable_detect, 86 .cable_detect = marvell_cable_detect,
126 87 .prereset = marvell_pre_reset,
127 /* BMDMA handling is PCI ATA format, use helpers */
128 .bmdma_setup = ata_bmdma_setup,
129 .bmdma_start = ata_bmdma_start,
130 .bmdma_stop = ata_bmdma_stop,
131 .bmdma_status = ata_bmdma_status,
132 .qc_prep = ata_qc_prep,
133 .qc_issue = ata_qc_issue_prot,
134 .data_xfer = ata_data_xfer,
135
136 /* Timeout handling */
137 .irq_handler = ata_interrupt,
138 .irq_clear = ata_bmdma_irq_clear,
139 .irq_on = ata_irq_on,
140
141 /* Generic PATA PCI ATA helpers */
142 .port_start = ata_sff_port_start,
143}; 88};
144 89
145 90
@@ -160,7 +105,6 @@ static const struct ata_port_operations marvell_ops = {
160static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *id) 105static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
161{ 106{
162 static const struct ata_port_info info = { 107 static const struct ata_port_info info = {
163 .sht = &marvell_sht,
164 .flags = ATA_FLAG_SLAVE_POSS, 108 .flags = ATA_FLAG_SLAVE_POSS,
165 109
166 .pio_mask = 0x1f, 110 .pio_mask = 0x1f,
@@ -170,7 +114,6 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i
170 .port_ops = &marvell_ops, 114 .port_ops = &marvell_ops,
171 }; 115 };
172 static const struct ata_port_info info_sata = { 116 static const struct ata_port_info info_sata = {
173 .sht = &marvell_sht,
174 /* Slave possible as its magically mapped not real */ 117 /* Slave possible as its magically mapped not real */
175 .flags = ATA_FLAG_SLAVE_POSS, 118 .flags = ATA_FLAG_SLAVE_POSS,
176 119
@@ -185,7 +128,7 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i
185 if (pdev->device == 0x6101) 128 if (pdev->device == 0x6101)
186 ppi[1] = &ata_dummy_port_info; 129 ppi[1] = &ata_dummy_port_info;
187 130
188 return ata_pci_init_one(pdev, ppi); 131 return ata_pci_sff_init_one(pdev, ppi, &marvell_sht, NULL);
189} 132}
190 133
191static const struct pci_device_id marvell_pci_tbl[] = { 134static const struct pci_device_id marvell_pci_tbl[] = {
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 5413ebfa72e5..bc79df6e7cb0 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -252,53 +252,19 @@ mpc52xx_ata_dev_select(struct ata_port *ap, unsigned int device)
252 if (device != priv->csel) 252 if (device != priv->csel)
253 mpc52xx_ata_apply_timings(priv, device); 253 mpc52xx_ata_apply_timings(priv, device);
254 254
255 ata_std_dev_select(ap,device); 255 ata_sff_dev_select(ap,device);
256} 256}
257 257
258static void
259mpc52xx_ata_error_handler(struct ata_port *ap)
260{
261 ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL,
262 ata_std_postreset);
263}
264
265
266
267static struct scsi_host_template mpc52xx_ata_sht = { 258static struct scsi_host_template mpc52xx_ata_sht = {
268 .module = THIS_MODULE, 259 ATA_PIO_SHT(DRV_NAME),
269 .name = DRV_NAME,
270 .ioctl = ata_scsi_ioctl,
271 .queuecommand = ata_scsi_queuecmd,
272 .can_queue = ATA_DEF_QUEUE,
273 .this_id = ATA_SHT_THIS_ID,
274 .sg_tablesize = LIBATA_MAX_PRD,
275 .max_sectors = ATA_MAX_SECTORS,
276 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
277 .emulated = ATA_SHT_EMULATED,
278 .use_clustering = ATA_SHT_USE_CLUSTERING,
279 .proc_name = DRV_NAME,
280 .dma_boundary = ATA_DMA_BOUNDARY,
281 .slave_configure = ata_scsi_slave_config,
282 .bios_param = ata_std_bios_param,
283}; 260};
284 261
285static struct ata_port_operations mpc52xx_ata_port_ops = { 262static struct ata_port_operations mpc52xx_ata_port_ops = {
286 .set_piomode = mpc52xx_ata_set_piomode, 263 .inherits = &ata_sff_port_ops,
287 .dev_select = mpc52xx_ata_dev_select, 264 .sff_dev_select = mpc52xx_ata_dev_select,
288 .tf_load = ata_tf_load,
289 .tf_read = ata_tf_read,
290 .check_status = ata_check_status,
291 .exec_command = ata_exec_command,
292 .freeze = ata_bmdma_freeze,
293 .thaw = ata_bmdma_thaw,
294 .error_handler = mpc52xx_ata_error_handler,
295 .cable_detect = ata_cable_40wire, 265 .cable_detect = ata_cable_40wire,
296 .qc_prep = ata_qc_prep, 266 .set_piomode = mpc52xx_ata_set_piomode,
297 .qc_issue = ata_qc_issue_prot, 267 .post_internal_cmd = ATA_OP_NULL,
298 .data_xfer = ata_data_xfer,
299 .irq_clear = ata_bmdma_irq_clear,
300 .irq_on = ata_irq_on,
301 .port_start = ata_port_start,
302}; 268};
303 269
304static int __devinit 270static int __devinit
@@ -339,7 +305,7 @@ mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv,
339 ata_port_desc(ap, "ata_regs 0x%lx", raw_ata_regs); 305 ata_port_desc(ap, "ata_regs 0x%lx", raw_ata_regs);
340 306
341 /* activate host */ 307 /* activate host */
342 return ata_host_activate(host, priv->ata_irq, ata_interrupt, 0, 308 return ata_host_activate(host, priv->ata_irq, ata_sff_interrupt, 0,
343 &mpc52xx_ata_sht); 309 &mpc52xx_ata_sht);
344} 310}
345 311
diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c
index c0d9e0cf208c..7d7e3fdab71f 100644
--- a/drivers/ata/pata_mpiix.c
+++ b/drivers/ata/pata_mpiix.c
@@ -55,21 +55,7 @@ static int mpiix_pre_reset(struct ata_link *link, unsigned long deadline)
55 if (!pci_test_config_bits(pdev, &mpiix_enable_bits)) 55 if (!pci_test_config_bits(pdev, &mpiix_enable_bits))
56 return -ENOENT; 56 return -ENOENT;
57 57
58 return ata_std_prereset(link, deadline); 58 return ata_sff_prereset(link, deadline);
59}
60
61/**
62 * mpiix_error_handler - probe reset
63 * @ap: ATA port
64 *
65 * Perform the ATA probe and bus reset sequence plus specific handling
66 * for this hardware. The MPIIX has the enable bits in a different place
67 * to PIIX4 and friends. As a pure PIO device it has no cable detect
68 */
69
70static void mpiix_error_handler(struct ata_port *ap)
71{
72 ata_bmdma_drive_eh(ap, mpiix_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
73} 59}
74 60
75/** 61/**
@@ -83,8 +69,8 @@ static void mpiix_error_handler(struct ata_port *ap)
83 * 69 *
84 * This would get very ugly because we can only program timing for one 70 * This would get very ugly because we can only program timing for one
85 * device at a time, the other gets PIO0. Fortunately libata calls 71 * device at a time, the other gets PIO0. Fortunately libata calls
86 * our qc_issue_prot command before a command is issued so we can 72 * our qc_issue command before a command is issued so we can flip the
87 * flip the timings back and forth to reduce the pain. 73 * timings back and forth to reduce the pain.
88 */ 74 */
89 75
90static void mpiix_set_piomode(struct ata_port *ap, struct ata_device *adev) 76static void mpiix_set_piomode(struct ata_port *ap, struct ata_device *adev)
@@ -124,7 +110,7 @@ static void mpiix_set_piomode(struct ata_port *ap, struct ata_device *adev)
124} 110}
125 111
126/** 112/**
127 * mpiix_qc_issue_prot - command issue 113 * mpiix_qc_issue - command issue
128 * @qc: command pending 114 * @qc: command pending
129 * 115 *
130 * Called when the libata layer is about to issue a command. We wrap 116 * Called when the libata layer is about to issue a command. We wrap
@@ -134,7 +120,7 @@ static void mpiix_set_piomode(struct ata_port *ap, struct ata_device *adev)
134 * be made PIO0. 120 * be made PIO0.
135 */ 121 */
136 122
137static unsigned int mpiix_qc_issue_prot(struct ata_queued_cmd *qc) 123static unsigned int mpiix_qc_issue(struct ata_queued_cmd *qc)
138{ 124{
139 struct ata_port *ap = qc->ap; 125 struct ata_port *ap = qc->ap;
140 struct ata_device *adev = qc->dev; 126 struct ata_device *adev = qc->dev;
@@ -147,50 +133,19 @@ static unsigned int mpiix_qc_issue_prot(struct ata_queued_cmd *qc)
147 if (adev->pio_mode && adev != ap->private_data) 133 if (adev->pio_mode && adev != ap->private_data)
148 mpiix_set_piomode(ap, adev); 134 mpiix_set_piomode(ap, adev);
149 135
150 return ata_qc_issue_prot(qc); 136 return ata_sff_qc_issue(qc);
151} 137}
152 138
153static struct scsi_host_template mpiix_sht = { 139static struct scsi_host_template mpiix_sht = {
154 .module = THIS_MODULE, 140 ATA_PIO_SHT(DRV_NAME),
155 .name = DRV_NAME,
156 .ioctl = ata_scsi_ioctl,
157 .queuecommand = ata_scsi_queuecmd,
158 .can_queue = ATA_DEF_QUEUE,
159 .this_id = ATA_SHT_THIS_ID,
160 .sg_tablesize = LIBATA_MAX_PRD,
161 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
162 .emulated = ATA_SHT_EMULATED,
163 .use_clustering = ATA_SHT_USE_CLUSTERING,
164 .proc_name = DRV_NAME,
165 .dma_boundary = ATA_DMA_BOUNDARY,
166 .slave_configure = ata_scsi_slave_config,
167 .slave_destroy = ata_scsi_slave_destroy,
168 .bios_param = ata_std_bios_param,
169}; 141};
170 142
171static struct ata_port_operations mpiix_port_ops = { 143static struct ata_port_operations mpiix_port_ops = {
172 .set_piomode = mpiix_set_piomode, 144 .inherits = &ata_sff_port_ops,
173 145 .qc_issue = mpiix_qc_issue,
174 .tf_load = ata_tf_load,
175 .tf_read = ata_tf_read,
176 .check_status = ata_check_status,
177 .exec_command = ata_exec_command,
178 .dev_select = ata_std_dev_select,
179
180 .freeze = ata_bmdma_freeze,
181 .thaw = ata_bmdma_thaw,
182 .error_handler = mpiix_error_handler,
183 .post_internal_cmd = ata_bmdma_post_internal_cmd,
184 .cable_detect = ata_cable_40wire, 146 .cable_detect = ata_cable_40wire,
185 147 .set_piomode = mpiix_set_piomode,
186 .qc_prep = ata_qc_prep, 148 .prereset = mpiix_pre_reset,
187 .qc_issue = mpiix_qc_issue_prot,
188 .data_xfer = ata_data_xfer,
189
190 .irq_clear = ata_bmdma_irq_clear,
191 .irq_on = ata_irq_on,
192
193 .port_start = ata_sff_port_start,
194}; 149};
195 150
196static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) 151static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id)
@@ -252,10 +207,10 @@ static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id)
252 ap->ioaddr.altstatus_addr = ctl_addr; 207 ap->ioaddr.altstatus_addr = ctl_addr;
253 208
254 /* Let libata fill in the port details */ 209 /* Let libata fill in the port details */
255 ata_std_ports(&ap->ioaddr); 210 ata_sff_std_ports(&ap->ioaddr);
256 211
257 /* activate host */ 212 /* activate host */
258 return ata_host_activate(host, irq, ata_interrupt, IRQF_SHARED, 213 return ata_host_activate(host, irq, ata_sff_interrupt, IRQF_SHARED,
259 &mpiix_sht); 214 &mpiix_sht);
260} 215}
261 216
diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c
index 25c922abd554..d9719c8b9dbe 100644
--- a/drivers/ata/pata_netcell.c
+++ b/drivers/ata/pata_netcell.c
@@ -21,54 +21,12 @@
21/* No PIO or DMA methods needed for this device */ 21/* No PIO or DMA methods needed for this device */
22 22
23static struct scsi_host_template netcell_sht = { 23static struct scsi_host_template netcell_sht = {
24 .module = THIS_MODULE, 24 ATA_BMDMA_SHT(DRV_NAME),
25 .name = DRV_NAME,
26 .ioctl = ata_scsi_ioctl,
27 .queuecommand = ata_scsi_queuecmd,
28 .can_queue = ATA_DEF_QUEUE,
29 .this_id = ATA_SHT_THIS_ID,
30 .sg_tablesize = LIBATA_MAX_PRD,
31 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
32 .emulated = ATA_SHT_EMULATED,
33 .use_clustering = ATA_SHT_USE_CLUSTERING,
34 .proc_name = DRV_NAME,
35 .dma_boundary = ATA_DMA_BOUNDARY,
36 .slave_configure = ata_scsi_slave_config,
37 .slave_destroy = ata_scsi_slave_destroy,
38 /* Use standard CHS mapping rules */
39 .bios_param = ata_std_bios_param,
40}; 25};
41 26
42static const struct ata_port_operations netcell_ops = { 27static struct ata_port_operations netcell_ops = {
43 /* Task file is PCI ATA format, use helpers */ 28 .inherits = &ata_bmdma_port_ops,
44 .tf_load = ata_tf_load,
45 .tf_read = ata_tf_read,
46 .check_status = ata_check_status,
47 .exec_command = ata_exec_command,
48 .dev_select = ata_std_dev_select,
49
50 .freeze = ata_bmdma_freeze,
51 .thaw = ata_bmdma_thaw,
52 .error_handler = ata_bmdma_error_handler,
53 .post_internal_cmd = ata_bmdma_post_internal_cmd,
54 .cable_detect = ata_cable_80wire, 29 .cable_detect = ata_cable_80wire,
55
56 /* BMDMA handling is PCI ATA format, use helpers */
57 .bmdma_setup = ata_bmdma_setup,
58 .bmdma_start = ata_bmdma_start,
59 .bmdma_stop = ata_bmdma_stop,
60 .bmdma_status = ata_bmdma_status,
61 .qc_prep = ata_qc_prep,
62 .qc_issue = ata_qc_issue_prot,
63 .data_xfer = ata_data_xfer,
64
65 /* IRQ-related hooks */
66 .irq_handler = ata_interrupt,
67 .irq_clear = ata_bmdma_irq_clear,
68 .irq_on = ata_irq_on,
69
70 /* Generic PATA PCI ATA helpers */
71 .port_start = ata_sff_port_start,
72}; 30};
73 31
74 32
@@ -90,7 +48,6 @@ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *e
90{ 48{
91 static int printed_version; 49 static int printed_version;
92 static const struct ata_port_info info = { 50 static const struct ata_port_info info = {
93 .sht = &netcell_sht,
94 .flags = ATA_FLAG_SLAVE_POSS, 51 .flags = ATA_FLAG_SLAVE_POSS,
95 /* Actually we don't really care about these as the 52 /* Actually we don't really care about these as the
96 firmware deals with it */ 53 firmware deals with it */
@@ -100,16 +57,21 @@ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *e
100 .port_ops = &netcell_ops, 57 .port_ops = &netcell_ops,
101 }; 58 };
102 const struct ata_port_info *port_info[] = { &info, NULL }; 59 const struct ata_port_info *port_info[] = { &info, NULL };
60 int rc;
103 61
104 if (!printed_version++) 62 if (!printed_version++)
105 dev_printk(KERN_DEBUG, &pdev->dev, 63 dev_printk(KERN_DEBUG, &pdev->dev,
106 "version " DRV_VERSION "\n"); 64 "version " DRV_VERSION "\n");
107 65
66 rc = pcim_enable_device(pdev);
67 if (rc)
68 return rc;
69
108 /* Any chip specific setup/optimisation/messages here */ 70 /* Any chip specific setup/optimisation/messages here */
109 ata_pci_clear_simplex(pdev); 71 ata_pci_bmdma_clear_simplex(pdev);
110 72
111 /* And let the library code do the work */ 73 /* And let the library code do the work */
112 return ata_pci_init_one(pdev, port_info); 74 return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL);
113} 75}
114 76
115static const struct pci_device_id netcell_pci_tbl[] = { 77static const struct pci_device_id netcell_pci_tbl[] = {
diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c
index 15dd649f89ee..565e67cd13fa 100644
--- a/drivers/ata/pata_ninja32.c
+++ b/drivers/ata/pata_ninja32.c
@@ -73,60 +73,20 @@ static void ninja32_dev_select(struct ata_port *ap, unsigned int device)
73 struct ata_device *adev = &ap->link.device[device]; 73 struct ata_device *adev = &ap->link.device[device];
74 if (ap->private_data != adev) { 74 if (ap->private_data != adev) {
75 iowrite8(0xd6, ap->ioaddr.bmdma_addr + 0x1f); 75 iowrite8(0xd6, ap->ioaddr.bmdma_addr + 0x1f);
76 ata_std_dev_select(ap, device); 76 ata_sff_dev_select(ap, device);
77 ninja32_set_piomode(ap, adev); 77 ninja32_set_piomode(ap, adev);
78 } 78 }
79} 79}
80 80
81static struct scsi_host_template ninja32_sht = { 81static struct scsi_host_template ninja32_sht = {
82 .module = THIS_MODULE, 82 ATA_BMDMA_SHT(DRV_NAME),
83 .name = DRV_NAME,
84 .ioctl = ata_scsi_ioctl,
85 .queuecommand = ata_scsi_queuecmd,
86 .can_queue = ATA_DEF_QUEUE,
87 .this_id = ATA_SHT_THIS_ID,
88 .sg_tablesize = LIBATA_MAX_PRD,
89 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
90 .emulated = ATA_SHT_EMULATED,
91 .use_clustering = ATA_SHT_USE_CLUSTERING,
92 .proc_name = DRV_NAME,
93 .dma_boundary = ATA_DMA_BOUNDARY,
94 .slave_configure = ata_scsi_slave_config,
95 .slave_destroy = ata_scsi_slave_destroy,
96 .bios_param = ata_std_bios_param,
97}; 83};
98 84
99static struct ata_port_operations ninja32_port_ops = { 85static struct ata_port_operations ninja32_port_ops = {
100 .set_piomode = ninja32_set_piomode, 86 .inherits = &ata_bmdma_port_ops,
101 .mode_filter = ata_pci_default_filter, 87 .sff_dev_select = ninja32_dev_select,
102
103 .tf_load = ata_tf_load,
104 .tf_read = ata_tf_read,
105 .check_status = ata_check_status,
106 .exec_command = ata_exec_command,
107 .dev_select = ninja32_dev_select,
108
109 .freeze = ata_bmdma_freeze,
110 .thaw = ata_bmdma_thaw,
111 .error_handler = ata_bmdma_error_handler,
112 .post_internal_cmd = ata_bmdma_post_internal_cmd,
113 .cable_detect = ata_cable_40wire, 88 .cable_detect = ata_cable_40wire,
114 89 .set_piomode = ninja32_set_piomode,
115 .bmdma_setup = ata_bmdma_setup,
116 .bmdma_start = ata_bmdma_start,
117 .bmdma_stop = ata_bmdma_stop,
118 .bmdma_status = ata_bmdma_status,
119
120 .qc_prep = ata_qc_prep,
121 .qc_issue = ata_qc_issue_prot,
122
123 .data_xfer = ata_data_xfer,
124
125 .irq_handler = ata_interrupt,
126 .irq_clear = ata_bmdma_irq_clear,
127 .irq_on = ata_irq_on,
128
129 .port_start = ata_sff_port_start,
130}; 90};
131 91
132static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id) 92static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id)
@@ -172,7 +132,7 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id)
172 ap->ioaddr.ctl_addr = base + 0x1E; 132 ap->ioaddr.ctl_addr = base + 0x1E;
173 ap->ioaddr.altstatus_addr = base + 0x1E; 133 ap->ioaddr.altstatus_addr = base + 0x1E;
174 ap->ioaddr.bmdma_addr = base; 134 ap->ioaddr.bmdma_addr = base;
175 ata_std_ports(&ap->ioaddr); 135 ata_sff_std_ports(&ap->ioaddr);
176 136
177 iowrite8(0x05, base + 0x01); /* Enable interrupt lines */ 137 iowrite8(0x05, base + 0x01); /* Enable interrupt lines */
178 iowrite8(0xBE, base + 0x02); /* Burst, ?? setup */ 138 iowrite8(0xBE, base + 0x02); /* Burst, ?? setup */
@@ -182,7 +142,7 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id)
182 iowrite8(0xa4, base + 0x1c); /* Unknown */ 142 iowrite8(0xa4, base + 0x1c); /* Unknown */
183 iowrite8(0x83, base + 0x1d); /* BMDMA control: WAIT0 */ 143 iowrite8(0x83, base + 0x1d); /* BMDMA control: WAIT0 */
184 /* FIXME: Should we disable them at remove ? */ 144 /* FIXME: Should we disable them at remove ? */
185 return ata_host_activate(host, dev->irq, ata_interrupt, 145 return ata_host_activate(host, dev->irq, ata_sff_interrupt,
186 IRQF_SHARED, &ninja32_sht); 146 IRQF_SHARED, &ninja32_sht);
187} 147}
188 148
diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c
index 9fe66fd75017..76d2455bc453 100644
--- a/drivers/ata/pata_ns87410.c
+++ b/drivers/ata/pata_ns87410.c
@@ -50,21 +50,7 @@ static int ns87410_pre_reset(struct ata_link *link, unsigned long deadline)
50 if (!pci_test_config_bits(pdev, &ns87410_enable_bits[ap->port_no])) 50 if (!pci_test_config_bits(pdev, &ns87410_enable_bits[ap->port_no]))
51 return -ENOENT; 51 return -ENOENT;
52 52
53 return ata_std_prereset(link, deadline); 53 return ata_sff_prereset(link, deadline);
54}
55
56/**
57 * ns87410_error_handler - probe reset
58 * @ap: ATA port
59 *
60 * Perform the ATA probe and bus reset sequence plus specific handling
61 * for this hardware. The MPIIX has the enable bits in a different place
62 * to PIIX4 and friends. As a pure PIO device it has no cable detect
63 */
64
65static void ns87410_error_handler(struct ata_port *ap)
66{
67 ata_bmdma_drive_eh(ap, ns87410_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
68} 54}
69 55
70/** 56/**
@@ -119,7 +105,7 @@ static void ns87410_set_piomode(struct ata_port *ap, struct ata_device *adev)
119} 105}
120 106
121/** 107/**
122 * ns87410_qc_issue_prot - command issue 108 * ns87410_qc_issue - command issue
123 * @qc: command pending 109 * @qc: command pending
124 * 110 *
125 * Called when the libata layer is about to issue a command. We wrap 111 * Called when the libata layer is about to issue a command. We wrap
@@ -127,7 +113,7 @@ static void ns87410_set_piomode(struct ata_port *ap, struct ata_device *adev)
127 * necessary. 113 * necessary.
128 */ 114 */
129 115
130static unsigned int ns87410_qc_issue_prot(struct ata_queued_cmd *qc) 116static unsigned int ns87410_qc_issue(struct ata_queued_cmd *qc)
131{ 117{
132 struct ata_port *ap = qc->ap; 118 struct ata_port *ap = qc->ap;
133 struct ata_device *adev = qc->dev; 119 struct ata_device *adev = qc->dev;
@@ -140,64 +126,30 @@ static unsigned int ns87410_qc_issue_prot(struct ata_queued_cmd *qc)
140 if (adev->pio_mode && adev != ap->private_data) 126 if (adev->pio_mode && adev != ap->private_data)
141 ns87410_set_piomode(ap, adev); 127 ns87410_set_piomode(ap, adev);
142 128
143 return ata_qc_issue_prot(qc); 129 return ata_sff_qc_issue(qc);
144} 130}
145 131
146static struct scsi_host_template ns87410_sht = { 132static struct scsi_host_template ns87410_sht = {
147 .module = THIS_MODULE, 133 ATA_PIO_SHT(DRV_NAME),
148 .name = DRV_NAME,
149 .ioctl = ata_scsi_ioctl,
150 .queuecommand = ata_scsi_queuecmd,
151 .can_queue = ATA_DEF_QUEUE,
152 .this_id = ATA_SHT_THIS_ID,
153 .sg_tablesize = LIBATA_MAX_PRD,
154 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
155 .emulated = ATA_SHT_EMULATED,
156 .use_clustering = ATA_SHT_USE_CLUSTERING,
157 .proc_name = DRV_NAME,
158 .dma_boundary = ATA_DMA_BOUNDARY,
159 .slave_configure = ata_scsi_slave_config,
160 .slave_destroy = ata_scsi_slave_destroy,
161 .bios_param = ata_std_bios_param,
162}; 134};
163 135
164static struct ata_port_operations ns87410_port_ops = { 136static struct ata_port_operations ns87410_port_ops = {
165 .set_piomode = ns87410_set_piomode, 137 .inherits = &ata_sff_port_ops,
166 138 .qc_issue = ns87410_qc_issue,
167 .tf_load = ata_tf_load,
168 .tf_read = ata_tf_read,
169 .check_status = ata_check_status,
170 .exec_command = ata_exec_command,
171 .dev_select = ata_std_dev_select,
172
173 .freeze = ata_bmdma_freeze,
174 .thaw = ata_bmdma_thaw,
175 .error_handler = ns87410_error_handler,
176 .post_internal_cmd = ata_bmdma_post_internal_cmd,
177 .cable_detect = ata_cable_40wire, 139 .cable_detect = ata_cable_40wire,
178 140 .set_piomode = ns87410_set_piomode,
179 .qc_prep = ata_qc_prep, 141 .prereset = ns87410_pre_reset,
180 .qc_issue = ns87410_qc_issue_prot,
181
182 .data_xfer = ata_data_xfer,
183
184 .irq_handler = ata_interrupt,
185 .irq_clear = ata_bmdma_irq_clear,
186 .irq_on = ata_irq_on,
187
188 .port_start = ata_sff_port_start,
189}; 142};
190 143
191static int ns87410_init_one(struct pci_dev *dev, const struct pci_device_id *id) 144static int ns87410_init_one(struct pci_dev *dev, const struct pci_device_id *id)
192{ 145{
193 static const struct ata_port_info info = { 146 static const struct ata_port_info info = {
194 .sht = &ns87410_sht,
195 .flags = ATA_FLAG_SLAVE_POSS, 147 .flags = ATA_FLAG_SLAVE_POSS,
196 .pio_mask = 0x0F, 148 .pio_mask = 0x0F,
197 .port_ops = &ns87410_port_ops 149 .port_ops = &ns87410_port_ops
198 }; 150 };
199 const struct ata_port_info *ppi[] = { &info, NULL }; 151 const struct ata_port_info *ppi[] = { &info, NULL };
200 return ata_pci_init_one(dev, ppi); 152 return ata_pci_sff_init_one(dev, ppi, &ns87410_sht, NULL);
201} 153}
202 154
203static const struct pci_device_id ns87410[] = { 155static const struct pci_device_id ns87410[] = {
diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c
index d0e2e50823b1..ae92b0049bd5 100644
--- a/drivers/ata/pata_ns87415.c
+++ b/drivers/ata/pata_ns87415.c
@@ -138,7 +138,7 @@ static void ns87415_bmdma_setup(struct ata_queued_cmd *qc)
138 dmactl |= ATA_DMA_WR; 138 dmactl |= ATA_DMA_WR;
139 iowrite8(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); 139 iowrite8(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
140 /* issue r/w command */ 140 /* issue r/w command */
141 ap->ops->exec_command(ap, &qc->tf); 141 ap->ops->sff_exec_command(ap, &qc->tf);
142} 142}
143 143
144/** 144/**
@@ -172,14 +172,14 @@ static void ns87415_bmdma_stop(struct ata_queued_cmd *qc)
172} 172}
173 173
174/** 174/**
175 * ns87415_bmdma_irq_clear - Clear interrupt 175 * ns87415_irq_clear - Clear interrupt
176 * @ap: Channel to clear 176 * @ap: Channel to clear
177 * 177 *
178 * Erratum: Due to a chip bug regisers 02 and 0A bit 1 and 2 (the 178 * Erratum: Due to a chip bug regisers 02 and 0A bit 1 and 2 (the
179 * error bits) are reset by writing to register 00 or 08. 179 * error bits) are reset by writing to register 00 or 08.
180 */ 180 */
181 181
182static void ns87415_bmdma_irq_clear(struct ata_port *ap) 182static void ns87415_irq_clear(struct ata_port *ap)
183{ 183{
184 void __iomem *mmio = ap->ioaddr.bmdma_addr; 184 void __iomem *mmio = ap->ioaddr.bmdma_addr;
185 185
@@ -297,90 +297,32 @@ static u8 ns87560_bmdma_status(struct ata_port *ap)
297{ 297{
298 return ns87560_read_buggy(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); 298 return ns87560_read_buggy(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
299} 299}
300
301static const struct ata_port_operations ns87560_pata_ops = {
302 .set_piomode = ns87415_set_piomode,
303 .mode_filter = ata_pci_default_filter,
304
305 .tf_load = ata_tf_load,
306 .tf_read = ns87560_tf_read,
307 .check_status = ns87560_check_status,
308 .check_atapi_dma = ns87415_check_atapi_dma,
309 .exec_command = ata_exec_command,
310 .dev_select = ata_std_dev_select,
311
312 .freeze = ata_bmdma_freeze,
313 .thaw = ata_bmdma_thaw,
314 .error_handler = ata_bmdma_error_handler,
315 .post_internal_cmd = ata_bmdma_post_internal_cmd,
316 .cable_detect = ata_cable_40wire,
317
318 .bmdma_setup = ns87415_bmdma_setup,
319 .bmdma_start = ns87415_bmdma_start,
320 .bmdma_stop = ns87415_bmdma_stop,
321 .bmdma_status = ns87560_bmdma_status,
322 .qc_prep = ata_qc_prep,
323 .qc_issue = ata_qc_issue_prot,
324 .data_xfer = ata_data_xfer,
325
326 .irq_handler = ata_interrupt,
327 .irq_clear = ns87415_bmdma_irq_clear,
328 .irq_on = ata_irq_on,
329
330 .port_start = ata_sff_port_start,
331};
332
333#endif /* 87560 SuperIO Support */ 300#endif /* 87560 SuperIO Support */
334 301
302static struct ata_port_operations ns87415_pata_ops = {
303 .inherits = &ata_bmdma_port_ops,
335 304
336static const struct ata_port_operations ns87415_pata_ops = {
337 .set_piomode = ns87415_set_piomode,
338 .mode_filter = ata_pci_default_filter,
339
340 .tf_load = ata_tf_load,
341 .tf_read = ata_tf_read,
342 .check_status = ata_check_status,
343 .check_atapi_dma = ns87415_check_atapi_dma, 305 .check_atapi_dma = ns87415_check_atapi_dma,
344 .exec_command = ata_exec_command,
345 .dev_select = ata_std_dev_select,
346
347 .freeze = ata_bmdma_freeze,
348 .thaw = ata_bmdma_thaw,
349 .error_handler = ata_bmdma_error_handler,
350 .post_internal_cmd = ata_bmdma_post_internal_cmd,
351 .cable_detect = ata_cable_40wire,
352
353 .bmdma_setup = ns87415_bmdma_setup, 306 .bmdma_setup = ns87415_bmdma_setup,
354 .bmdma_start = ns87415_bmdma_start, 307 .bmdma_start = ns87415_bmdma_start,
355 .bmdma_stop = ns87415_bmdma_stop, 308 .bmdma_stop = ns87415_bmdma_stop,
356 .bmdma_status = ata_bmdma_status, 309 .sff_irq_clear = ns87415_irq_clear,
357 .qc_prep = ata_qc_prep,
358 .qc_issue = ata_qc_issue_prot,
359 .data_xfer = ata_data_xfer,
360 310
361 .irq_handler = ata_interrupt, 311 .cable_detect = ata_cable_40wire,
362 .irq_clear = ns87415_bmdma_irq_clear, 312 .set_piomode = ns87415_set_piomode,
363 .irq_on = ata_irq_on, 313};
364 314
365 .port_start = ata_sff_port_start, 315#if defined(CONFIG_SUPERIO)
316static struct ata_port_operations ns87560_pata_ops = {
317 .inherits = &ns87415_pata_ops,
318 .sff_tf_read = ns87560_tf_read,
319 .sff_check_status = ns87560_check_status,
320 .bmdma_status = ns87560_bmdma_status,
366}; 321};
322#endif
367 323
368static struct scsi_host_template ns87415_sht = { 324static struct scsi_host_template ns87415_sht = {
369 .module = THIS_MODULE, 325 ATA_BMDMA_SHT(DRV_NAME),
370 .name = DRV_NAME,
371 .ioctl = ata_scsi_ioctl,
372 .queuecommand = ata_scsi_queuecmd,
373 .can_queue = ATA_DEF_QUEUE,
374 .this_id = ATA_SHT_THIS_ID,
375 .sg_tablesize = LIBATA_MAX_PRD,
376 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
377 .emulated = ATA_SHT_EMULATED,
378 .use_clustering = ATA_SHT_USE_CLUSTERING,
379 .proc_name = DRV_NAME,
380 .dma_boundary = ATA_DMA_BOUNDARY,
381 .slave_configure = ata_scsi_slave_config,
382 .slave_destroy = ata_scsi_slave_destroy,
383 .bios_param = ata_std_bios_param,
384}; 326};
385 327
386 328
@@ -403,16 +345,15 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e
403{ 345{
404 static int printed_version; 346 static int printed_version;
405 static const struct ata_port_info info = { 347 static const struct ata_port_info info = {
406 .sht = &ns87415_sht,
407 .flags = ATA_FLAG_SLAVE_POSS, 348 .flags = ATA_FLAG_SLAVE_POSS,
408 .pio_mask = 0x1f, /* pio0-4 */ 349 .pio_mask = 0x1f, /* pio0-4 */
409 .mwdma_mask = 0x07, /* mwdma0-2 */ 350 .mwdma_mask = 0x07, /* mwdma0-2 */
410 .port_ops = &ns87415_pata_ops, 351 .port_ops = &ns87415_pata_ops,
411 }; 352 };
412 const struct ata_port_info *ppi[] = { &info, NULL }; 353 const struct ata_port_info *ppi[] = { &info, NULL };
354 int rc;
413#if defined(CONFIG_SUPERIO) 355#if defined(CONFIG_SUPERIO)
414 static const struct ata_port_info info87560 = { 356 static const struct ata_port_info info87560 = {
415 .sht = &ns87415_sht,
416 .flags = ATA_FLAG_SLAVE_POSS, 357 .flags = ATA_FLAG_SLAVE_POSS,
417 .pio_mask = 0x1f, /* pio0-4 */ 358 .pio_mask = 0x1f, /* pio0-4 */
418 .mwdma_mask = 0x07, /* mwdma0-2 */ 359 .mwdma_mask = 0x07, /* mwdma0-2 */
@@ -425,11 +366,16 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e
425 if (!printed_version++) 366 if (!printed_version++)
426 dev_printk(KERN_DEBUG, &pdev->dev, 367 dev_printk(KERN_DEBUG, &pdev->dev,
427 "version " DRV_VERSION "\n"); 368 "version " DRV_VERSION "\n");
369
370 rc = pcim_enable_device(pdev);
371 if (rc)
372 return rc;
373
428 /* Select 512 byte sectors */ 374 /* Select 512 byte sectors */
429 pci_write_config_byte(pdev, 0x55, 0xEE); 375 pci_write_config_byte(pdev, 0x55, 0xEE);
430 /* Select PIO0 8bit clocking */ 376 /* Select PIO0 8bit clocking */
431 pci_write_config_byte(pdev, 0x54, 0xB7); 377 pci_write_config_byte(pdev, 0x54, 0xB7);
432 return ata_pci_init_one(pdev, ppi); 378 return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL);
433} 379}
434 380
435static const struct pci_device_id ns87415_pci_tbl[] = { 381static const struct pci_device_id ns87415_pci_tbl[] = {
diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c
index 44da09ace52c..e678af383d13 100644
--- a/drivers/ata/pata_oldpiix.c
+++ b/drivers/ata/pata_oldpiix.c
@@ -47,21 +47,7 @@ static int oldpiix_pre_reset(struct ata_link *link, unsigned long deadline)
47 if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->port_no])) 47 if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->port_no]))
48 return -ENOENT; 48 return -ENOENT;
49 49
50 return ata_std_prereset(link, deadline); 50 return ata_sff_prereset(link, deadline);
51}
52
53/**
54 * oldpiix_pata_error_handler - Probe specified port on PATA host controller
55 * @ap: Port to probe
56 * @classes:
57 *
58 * LOCKING:
59 * None (inherited from caller).
60 */
61
62static void oldpiix_pata_error_handler(struct ata_port *ap)
63{
64 ata_bmdma_drive_eh(ap, oldpiix_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
65} 51}
66 52
67/** 53/**
@@ -195,7 +181,7 @@ static void oldpiix_set_dmamode (struct ata_port *ap, struct ata_device *adev)
195} 181}
196 182
197/** 183/**
198 * oldpiix_qc_issue_prot - command issue 184 * oldpiix_qc_issue - command issue
199 * @qc: command pending 185 * @qc: command pending
200 * 186 *
201 * Called when the libata layer is about to issue a command. We wrap 187 * Called when the libata layer is about to issue a command. We wrap
@@ -205,7 +191,7 @@ static void oldpiix_set_dmamode (struct ata_port *ap, struct ata_device *adev)
205 * be made PIO0. 191 * be made PIO0.
206 */ 192 */
207 193
208static unsigned int oldpiix_qc_issue_prot(struct ata_queued_cmd *qc) 194static unsigned int oldpiix_qc_issue(struct ata_queued_cmd *qc)
209{ 195{
210 struct ata_port *ap = qc->ap; 196 struct ata_port *ap = qc->ap;
211 struct ata_device *adev = qc->dev; 197 struct ata_device *adev = qc->dev;
@@ -215,58 +201,21 @@ static unsigned int oldpiix_qc_issue_prot(struct ata_queued_cmd *qc)
215 if (adev->dma_mode) 201 if (adev->dma_mode)
216 oldpiix_set_dmamode(ap, adev); 202 oldpiix_set_dmamode(ap, adev);
217 } 203 }
218 return ata_qc_issue_prot(qc); 204 return ata_sff_qc_issue(qc);
219} 205}
220 206
221 207
222static struct scsi_host_template oldpiix_sht = { 208static struct scsi_host_template oldpiix_sht = {
223 .module = THIS_MODULE, 209 ATA_BMDMA_SHT(DRV_NAME),
224 .name = DRV_NAME,
225 .ioctl = ata_scsi_ioctl,
226 .queuecommand = ata_scsi_queuecmd,
227 .can_queue = ATA_DEF_QUEUE,
228 .this_id = ATA_SHT_THIS_ID,
229 .sg_tablesize = LIBATA_MAX_PRD,
230 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
231 .emulated = ATA_SHT_EMULATED,
232 .use_clustering = ATA_SHT_USE_CLUSTERING,
233 .proc_name = DRV_NAME,
234 .dma_boundary = ATA_DMA_BOUNDARY,
235 .slave_configure = ata_scsi_slave_config,
236 .slave_destroy = ata_scsi_slave_destroy,
237 .bios_param = ata_std_bios_param,
238}; 210};
239 211
240static const struct ata_port_operations oldpiix_pata_ops = { 212static struct ata_port_operations oldpiix_pata_ops = {
213 .inherits = &ata_bmdma_port_ops,
214 .qc_issue = oldpiix_qc_issue,
215 .cable_detect = ata_cable_40wire,
241 .set_piomode = oldpiix_set_piomode, 216 .set_piomode = oldpiix_set_piomode,
242 .set_dmamode = oldpiix_set_dmamode, 217 .set_dmamode = oldpiix_set_dmamode,
243 .mode_filter = ata_pci_default_filter, 218 .prereset = oldpiix_pre_reset,
244
245 .tf_load = ata_tf_load,
246 .tf_read = ata_tf_read,
247 .check_status = ata_check_status,
248 .exec_command = ata_exec_command,
249 .dev_select = ata_std_dev_select,
250
251 .freeze = ata_bmdma_freeze,
252 .thaw = ata_bmdma_thaw,
253 .error_handler = oldpiix_pata_error_handler,
254 .post_internal_cmd = ata_bmdma_post_internal_cmd,
255 .cable_detect = ata_cable_40wire,
256
257 .bmdma_setup = ata_bmdma_setup,
258 .bmdma_start = ata_bmdma_start,
259 .bmdma_stop = ata_bmdma_stop,
260 .bmdma_status = ata_bmdma_status,
261 .qc_prep = ata_qc_prep,
262 .qc_issue = oldpiix_qc_issue_prot,
263 .data_xfer = ata_data_xfer,
264
265 .irq_handler = ata_interrupt,
266 .irq_clear = ata_bmdma_irq_clear,
267 .irq_on = ata_irq_on,
268
269 .port_start = ata_sff_port_start,
270}; 219};
271 220
272 221
@@ -289,7 +238,6 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e
289{ 238{
290 static int printed_version; 239 static int printed_version;
291 static const struct ata_port_info info = { 240 static const struct ata_port_info info = {
292 .sht = &oldpiix_sht,
293 .flags = ATA_FLAG_SLAVE_POSS, 241 .flags = ATA_FLAG_SLAVE_POSS,
294 .pio_mask = 0x1f, /* pio0-4 */ 242 .pio_mask = 0x1f, /* pio0-4 */
295 .mwdma_mask = 0x07, /* mwdma1-2 */ 243 .mwdma_mask = 0x07, /* mwdma1-2 */
@@ -301,7 +249,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e
301 dev_printk(KERN_DEBUG, &pdev->dev, 249 dev_printk(KERN_DEBUG, &pdev->dev,
302 "version " DRV_VERSION "\n"); 250 "version " DRV_VERSION "\n");
303 251
304 return ata_pci_init_one(pdev, ppi); 252 return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL);
305} 253}
306 254
307static const struct pci_device_id oldpiix_pci_tbl[] = { 255static const struct pci_device_id oldpiix_pci_tbl[] = {
diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c
index 8f79447b6151..fb2cf661b0e8 100644
--- a/drivers/ata/pata_opti.c
+++ b/drivers/ata/pata_opti.c
@@ -64,22 +64,7 @@ static int opti_pre_reset(struct ata_link *link, unsigned long deadline)
64 if (!pci_test_config_bits(pdev, &opti_enable_bits[ap->port_no])) 64 if (!pci_test_config_bits(pdev, &opti_enable_bits[ap->port_no]))
65 return -ENOENT; 65 return -ENOENT;
66 66
67 return ata_std_prereset(link, deadline); 67 return ata_sff_prereset(link, deadline);
68}
69
70/**
71 * opti_probe_reset - probe reset
72 * @ap: ATA port
73 *
74 * Perform the ATA probe and bus reset sequence plus specific handling
75 * for this hardware. The Opti needs little handling - we have no UDMA66
76 * capability that needs cable detection. All we must do is check the port
77 * is enabled.
78 */
79
80static void opti_error_handler(struct ata_port *ap)
81{
82 ata_bmdma_drive_eh(ap, opti_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
83} 68}
84 69
85/** 70/**
@@ -165,58 +150,19 @@ static void opti_set_piomode(struct ata_port *ap, struct ata_device *adev)
165} 150}
166 151
167static struct scsi_host_template opti_sht = { 152static struct scsi_host_template opti_sht = {
168 .module = THIS_MODULE, 153 ATA_PIO_SHT(DRV_NAME),
169 .name = DRV_NAME,
170 .ioctl = ata_scsi_ioctl,
171 .queuecommand = ata_scsi_queuecmd,
172 .can_queue = ATA_DEF_QUEUE,
173 .this_id = ATA_SHT_THIS_ID,
174 .sg_tablesize = LIBATA_MAX_PRD,
175 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
176 .emulated = ATA_SHT_EMULATED,
177 .use_clustering = ATA_SHT_USE_CLUSTERING,
178 .proc_name = DRV_NAME,
179 .dma_boundary = ATA_DMA_BOUNDARY,
180 .slave_configure = ata_scsi_slave_config,
181 .slave_destroy = ata_scsi_slave_destroy,
182 .bios_param = ata_std_bios_param,
183}; 154};
184 155
185static struct ata_port_operations opti_port_ops = { 156static struct ata_port_operations opti_port_ops = {
186 .set_piomode = opti_set_piomode, 157 .inherits = &ata_sff_port_ops,
187 .tf_load = ata_tf_load,
188 .tf_read = ata_tf_read,
189 .check_status = ata_check_status,
190 .exec_command = ata_exec_command,
191 .dev_select = ata_std_dev_select,
192
193 .freeze = ata_bmdma_freeze,
194 .thaw = ata_bmdma_thaw,
195 .error_handler = opti_error_handler,
196 .post_internal_cmd = ata_bmdma_post_internal_cmd,
197 .cable_detect = ata_cable_40wire, 158 .cable_detect = ata_cable_40wire,
198 159 .set_piomode = opti_set_piomode,
199 .bmdma_setup = ata_bmdma_setup, 160 .prereset = opti_pre_reset,
200 .bmdma_start = ata_bmdma_start,
201 .bmdma_stop = ata_bmdma_stop,
202 .bmdma_status = ata_bmdma_status,
203
204 .qc_prep = ata_qc_prep,
205 .qc_issue = ata_qc_issue_prot,
206
207 .data_xfer = ata_data_xfer,
208
209 .irq_handler = ata_interrupt,
210 .irq_clear = ata_bmdma_irq_clear,
211 .irq_on = ata_irq_on,
212
213 .port_start = ata_sff_port_start,
214}; 161};
215 162
216static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id) 163static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id)
217{ 164{
218 static const struct ata_port_info info = { 165 static const struct ata_port_info info = {
219 .sht = &opti_sht,
220 .flags = ATA_FLAG_SLAVE_POSS, 166 .flags = ATA_FLAG_SLAVE_POSS,
221 .pio_mask = 0x1f, 167 .pio_mask = 0x1f,
222 .port_ops = &opti_port_ops 168 .port_ops = &opti_port_ops
@@ -227,7 +173,7 @@ static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id)
227 if (!printed_version++) 173 if (!printed_version++)
228 dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); 174 dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
229 175
230 return ata_pci_init_one(dev, ppi); 176 return ata_pci_sff_init_one(dev, ppi, &opti_sht, NULL);
231} 177}
232 178
233static const struct pci_device_id opti[] = { 179static const struct pci_device_id opti[] = {
diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c
index f9b485a487ae..4cd744456313 100644
--- a/drivers/ata/pata_optidma.c
+++ b/drivers/ata/pata_optidma.c
@@ -64,22 +64,7 @@ static int optidma_pre_reset(struct ata_link *link, unsigned long deadline)
64 if (ap->port_no && !pci_test_config_bits(pdev, &optidma_enable_bits)) 64 if (ap->port_no && !pci_test_config_bits(pdev, &optidma_enable_bits))
65 return -ENOENT; 65 return -ENOENT;
66 66
67 return ata_std_prereset(link, deadline); 67 return ata_sff_prereset(link, deadline);
68}
69
70/**
71 * optidma_probe_reset - probe reset
72 * @ap: ATA port
73 *
74 * Perform the ATA probe and bus reset sequence plus specific handling
75 * for this hardware. The Opti needs little handling - we have no UDMA66
76 * capability that needs cable detection. All we must do is check the port
77 * is enabled.
78 */
79
80static void optidma_error_handler(struct ata_port *ap)
81{
82 ata_bmdma_drive_eh(ap, optidma_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
83} 68}
84 69
85/** 70/**
@@ -350,89 +335,22 @@ static int optidma_set_mode(struct ata_link *link, struct ata_device **r_failed)
350} 335}
351 336
352static struct scsi_host_template optidma_sht = { 337static struct scsi_host_template optidma_sht = {
353 .module = THIS_MODULE, 338 ATA_BMDMA_SHT(DRV_NAME),
354 .name = DRV_NAME,
355 .ioctl = ata_scsi_ioctl,
356 .queuecommand = ata_scsi_queuecmd,
357 .can_queue = ATA_DEF_QUEUE,
358 .this_id = ATA_SHT_THIS_ID,
359 .sg_tablesize = LIBATA_MAX_PRD,
360 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
361 .emulated = ATA_SHT_EMULATED,
362 .use_clustering = ATA_SHT_USE_CLUSTERING,
363 .proc_name = DRV_NAME,
364 .dma_boundary = ATA_DMA_BOUNDARY,
365 .slave_configure = ata_scsi_slave_config,
366 .slave_destroy = ata_scsi_slave_destroy,
367 .bios_param = ata_std_bios_param,
368}; 339};
369 340
370static struct ata_port_operations optidma_port_ops = { 341static struct ata_port_operations optidma_port_ops = {
342 .inherits = &ata_bmdma_port_ops,
343 .cable_detect = ata_cable_40wire,
371 .set_piomode = optidma_set_pio_mode, 344 .set_piomode = optidma_set_pio_mode,
372 .set_dmamode = optidma_set_dma_mode, 345 .set_dmamode = optidma_set_dma_mode,
373
374 .tf_load = ata_tf_load,
375 .tf_read = ata_tf_read,
376 .check_status = ata_check_status,
377 .exec_command = ata_exec_command,
378 .dev_select = ata_std_dev_select,
379
380 .freeze = ata_bmdma_freeze,
381 .thaw = ata_bmdma_thaw,
382 .post_internal_cmd = ata_bmdma_post_internal_cmd,
383 .error_handler = optidma_error_handler,
384 .set_mode = optidma_set_mode, 346 .set_mode = optidma_set_mode,
385 .cable_detect = ata_cable_40wire, 347 .prereset = optidma_pre_reset,
386
387 .bmdma_setup = ata_bmdma_setup,
388 .bmdma_start = ata_bmdma_start,
389 .bmdma_stop = ata_bmdma_stop,
390 .bmdma_status = ata_bmdma_status,
391
392 .qc_prep = ata_qc_prep,
393 .qc_issue = ata_qc_issue_prot,
394
395 .data_xfer = ata_data_xfer,
396
397 .irq_handler = ata_interrupt,
398 .irq_clear = ata_bmdma_irq_clear,
399 .irq_on = ata_irq_on,
400
401 .port_start = ata_sff_port_start,
402}; 348};
403 349
404static struct ata_port_operations optiplus_port_ops = { 350static struct ata_port_operations optiplus_port_ops = {
351 .inherits = &optidma_port_ops,
405 .set_piomode = optiplus_set_pio_mode, 352 .set_piomode = optiplus_set_pio_mode,
406 .set_dmamode = optiplus_set_dma_mode, 353 .set_dmamode = optiplus_set_dma_mode,
407
408 .tf_load = ata_tf_load,
409 .tf_read = ata_tf_read,
410 .check_status = ata_check_status,
411 .exec_command = ata_exec_command,
412 .dev_select = ata_std_dev_select,
413
414 .freeze = ata_bmdma_freeze,
415 .thaw = ata_bmdma_thaw,
416 .post_internal_cmd = ata_bmdma_post_internal_cmd,
417 .error_handler = optidma_error_handler,
418 .set_mode = optidma_set_mode,
419 .cable_detect = ata_cable_40wire,
420
421 .bmdma_setup = ata_bmdma_setup,
422 .bmdma_start = ata_bmdma_start,
423 .bmdma_stop = ata_bmdma_stop,
424 .bmdma_status = ata_bmdma_status,
425
426 .qc_prep = ata_qc_prep,
427 .qc_issue = ata_qc_issue_prot,
428
429 .data_xfer = ata_data_xfer,
430
431 .irq_handler = ata_interrupt,
432 .irq_clear = ata_bmdma_irq_clear,
433 .irq_on = ata_irq_on,
434
435 .port_start = ata_sff_port_start,
436}; 354};
437 355
438/** 356/**
@@ -481,14 +399,12 @@ done_nomsg: /* Wrong chip revision */
481static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id) 399static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id)
482{ 400{
483 static const struct ata_port_info info_82c700 = { 401 static const struct ata_port_info info_82c700 = {
484 .sht = &optidma_sht,
485 .flags = ATA_FLAG_SLAVE_POSS, 402 .flags = ATA_FLAG_SLAVE_POSS,
486 .pio_mask = 0x1f, 403 .pio_mask = 0x1f,
487 .mwdma_mask = 0x07, 404 .mwdma_mask = 0x07,
488 .port_ops = &optidma_port_ops 405 .port_ops = &optidma_port_ops
489 }; 406 };
490 static const struct ata_port_info info_82c700_udma = { 407 static const struct ata_port_info info_82c700_udma = {
491 .sht = &optidma_sht,
492 .flags = ATA_FLAG_SLAVE_POSS, 408 .flags = ATA_FLAG_SLAVE_POSS,
493 .pio_mask = 0x1f, 409 .pio_mask = 0x1f,
494 .mwdma_mask = 0x07, 410 .mwdma_mask = 0x07,
@@ -497,10 +413,15 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id)
497 }; 413 };
498 const struct ata_port_info *ppi[] = { &info_82c700, NULL }; 414 const struct ata_port_info *ppi[] = { &info_82c700, NULL };
499 static int printed_version; 415 static int printed_version;
416 int rc;
500 417
501 if (!printed_version++) 418 if (!printed_version++)
502 dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); 419 dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
503 420
421 rc = pcim_enable_device(dev);
422 if (rc)
423 return rc;
424
504 /* Fixed location chipset magic */ 425 /* Fixed location chipset magic */
505 inw(0x1F1); 426 inw(0x1F1);
506 inw(0x1F1); 427 inw(0x1F1);
@@ -509,7 +430,7 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id)
509 if (optiplus_with_udma(dev)) 430 if (optiplus_with_udma(dev))
510 ppi[0] = &info_82c700_udma; 431 ppi[0] = &info_82c700_udma;
511 432
512 return ata_pci_init_one(dev, ppi); 433 return ata_pci_sff_init_one(dev, ppi, &optidma_sht, NULL);
513} 434}
514 435
515static const struct pci_device_id optidma[] = { 436static const struct pci_device_id optidma[] = {
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index 3e7f6a9da28b..3d39f9dfec5a 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -128,71 +128,21 @@ static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
128 128
129 129
130static struct scsi_host_template pcmcia_sht = { 130static struct scsi_host_template pcmcia_sht = {
131 .module = THIS_MODULE, 131 ATA_PIO_SHT(DRV_NAME),
132 .name = DRV_NAME,
133 .ioctl = ata_scsi_ioctl,
134 .queuecommand = ata_scsi_queuecmd,
135 .can_queue = ATA_DEF_QUEUE,
136 .this_id = ATA_SHT_THIS_ID,
137 .sg_tablesize = LIBATA_MAX_PRD,
138 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
139 .emulated = ATA_SHT_EMULATED,
140 .use_clustering = ATA_SHT_USE_CLUSTERING,
141 .proc_name = DRV_NAME,
142 .dma_boundary = ATA_DMA_BOUNDARY,
143 .slave_configure = ata_scsi_slave_config,
144 .slave_destroy = ata_scsi_slave_destroy,
145 .bios_param = ata_std_bios_param,
146}; 132};
147 133
148static struct ata_port_operations pcmcia_port_ops = { 134static struct ata_port_operations pcmcia_port_ops = {
149 .set_mode = pcmcia_set_mode, 135 .inherits = &ata_sff_port_ops,
150 .tf_load = ata_tf_load, 136 .sff_data_xfer = ata_sff_data_xfer_noirq,
151 .tf_read = ata_tf_read,
152 .check_status = ata_check_status,
153 .exec_command = ata_exec_command,
154 .dev_select = ata_std_dev_select,
155
156 .freeze = ata_bmdma_freeze,
157 .thaw = ata_bmdma_thaw,
158 .error_handler = ata_bmdma_error_handler,
159 .post_internal_cmd = ata_bmdma_post_internal_cmd,
160 .cable_detect = ata_cable_40wire, 137 .cable_detect = ata_cable_40wire,
161 138 .set_mode = pcmcia_set_mode,
162 .qc_prep = ata_qc_prep,
163 .qc_issue = ata_qc_issue_prot,
164
165 .data_xfer = ata_data_xfer_noirq,
166
167 .irq_clear = ata_bmdma_irq_clear,
168 .irq_on = ata_irq_on,
169
170 .port_start = ata_sff_port_start,
171}; 139};
172 140
173static struct ata_port_operations pcmcia_8bit_port_ops = { 141static struct ata_port_operations pcmcia_8bit_port_ops = {
174 .set_mode = pcmcia_set_mode_8bit, 142 .inherits = &ata_sff_port_ops,
175 .tf_load = ata_tf_load, 143 .sff_data_xfer = ata_data_xfer_8bit,
176 .tf_read = ata_tf_read,
177 .check_status = ata_check_status,
178 .exec_command = ata_exec_command,
179 .dev_select = ata_std_dev_select,
180
181 .freeze = ata_bmdma_freeze,
182 .thaw = ata_bmdma_thaw,
183 .error_handler = ata_bmdma_error_handler,
184 .post_internal_cmd = ata_bmdma_post_internal_cmd,
185 .cable_detect = ata_cable_40wire, 144 .cable_detect = ata_cable_40wire,
186 145 .set_mode = pcmcia_set_mode_8bit,
187 .qc_prep = ata_qc_prep,
188 .qc_issue = ata_qc_issue_prot,
189
190 .data_xfer = ata_data_xfer_8bit,
191
192 .irq_clear = ata_bmdma_irq_clear,
193 .irq_on = ata_irq_on,
194
195 .port_start = ata_sff_port_start,
196}; 146};
197 147
198#define CS_CHECK(fn, ret) \ 148#define CS_CHECK(fn, ret) \
@@ -373,13 +323,13 @@ next_entry:
373 ap->ioaddr.cmd_addr = io_addr + 0x10 * p; 323 ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
374 ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p; 324 ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
375 ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p; 325 ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
376 ata_std_ports(&ap->ioaddr); 326 ata_sff_std_ports(&ap->ioaddr);
377 327
378 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base); 328 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
379 } 329 }
380 330
381 /* activate */ 331 /* activate */
382 ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt, 332 ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_sff_interrupt,
383 IRQF_SHARED, &pcmcia_sht); 333 IRQF_SHARED, &pcmcia_sht);
384 if (ret) 334 if (ret)
385 goto failed; 335 goto failed;
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 511c89b9bae8..0e1c2c1134d3 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -63,7 +63,7 @@ enum {
63}; 63};
64 64
65static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); 65static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
66static void pdc2027x_error_handler(struct ata_port *ap); 66static int pdc2027x_prereset(struct ata_link *link, unsigned long deadline);
67static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev); 67static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev);
68static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev); 68static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev);
69static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc); 69static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc);
@@ -129,84 +129,22 @@ static struct pci_driver pdc2027x_pci_driver = {
129}; 129};
130 130
131static struct scsi_host_template pdc2027x_sht = { 131static struct scsi_host_template pdc2027x_sht = {
132 .module = THIS_MODULE, 132 ATA_BMDMA_SHT(DRV_NAME),
133 .name = DRV_NAME,
134 .ioctl = ata_scsi_ioctl,
135 .queuecommand = ata_scsi_queuecmd,
136 .can_queue = ATA_DEF_QUEUE,
137 .this_id = ATA_SHT_THIS_ID,
138 .sg_tablesize = LIBATA_MAX_PRD,
139 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
140 .emulated = ATA_SHT_EMULATED,
141 .use_clustering = ATA_SHT_USE_CLUSTERING,
142 .proc_name = DRV_NAME,
143 .dma_boundary = ATA_DMA_BOUNDARY,
144 .slave_configure = ata_scsi_slave_config,
145 .slave_destroy = ata_scsi_slave_destroy,
146 .bios_param = ata_std_bios_param,
147}; 133};
148 134
149static struct ata_port_operations pdc2027x_pata100_ops = { 135static struct ata_port_operations pdc2027x_pata100_ops = {
150 .mode_filter = ata_pci_default_filter, 136 .inherits = &ata_bmdma_port_ops,
151
152 .tf_load = ata_tf_load,
153 .tf_read = ata_tf_read,
154 .check_status = ata_check_status,
155 .exec_command = ata_exec_command,
156 .dev_select = ata_std_dev_select,
157
158 .check_atapi_dma = pdc2027x_check_atapi_dma, 137 .check_atapi_dma = pdc2027x_check_atapi_dma,
159 .bmdma_setup = ata_bmdma_setup,
160 .bmdma_start = ata_bmdma_start,
161 .bmdma_stop = ata_bmdma_stop,
162 .bmdma_status = ata_bmdma_status,
163 .qc_prep = ata_qc_prep,
164 .qc_issue = ata_qc_issue_prot,
165 .data_xfer = ata_data_xfer,
166
167 .freeze = ata_bmdma_freeze,
168 .thaw = ata_bmdma_thaw,
169 .error_handler = pdc2027x_error_handler,
170 .post_internal_cmd = ata_bmdma_post_internal_cmd,
171 .cable_detect = pdc2027x_cable_detect, 138 .cable_detect = pdc2027x_cable_detect,
172 139 .prereset = pdc2027x_prereset,
173 .irq_clear = ata_bmdma_irq_clear,
174 .irq_on = ata_irq_on,
175
176 .port_start = ata_sff_port_start,
177}; 140};
178 141
179static struct ata_port_operations pdc2027x_pata133_ops = { 142static struct ata_port_operations pdc2027x_pata133_ops = {
143 .inherits = &pdc2027x_pata100_ops,
144 .mode_filter = pdc2027x_mode_filter,
180 .set_piomode = pdc2027x_set_piomode, 145 .set_piomode = pdc2027x_set_piomode,
181 .set_dmamode = pdc2027x_set_dmamode, 146 .set_dmamode = pdc2027x_set_dmamode,
182 .set_mode = pdc2027x_set_mode, 147 .set_mode = pdc2027x_set_mode,
183 .mode_filter = pdc2027x_mode_filter,
184
185 .tf_load = ata_tf_load,
186 .tf_read = ata_tf_read,
187 .check_status = ata_check_status,
188 .exec_command = ata_exec_command,
189 .dev_select = ata_std_dev_select,
190
191 .check_atapi_dma = pdc2027x_check_atapi_dma,
192 .bmdma_setup = ata_bmdma_setup,
193 .bmdma_start = ata_bmdma_start,
194 .bmdma_stop = ata_bmdma_stop,
195 .bmdma_status = ata_bmdma_status,
196 .qc_prep = ata_qc_prep,
197 .qc_issue = ata_qc_issue_prot,
198 .data_xfer = ata_data_xfer,
199
200 .freeze = ata_bmdma_freeze,
201 .thaw = ata_bmdma_thaw,
202 .error_handler = pdc2027x_error_handler,
203 .post_internal_cmd = ata_bmdma_post_internal_cmd,
204 .cable_detect = pdc2027x_cable_detect,
205
206 .irq_clear = ata_bmdma_irq_clear,
207 .irq_on = ata_irq_on,
208
209 .port_start = ata_sff_port_start,
210}; 148};
211 149
212static struct ata_port_info pdc2027x_port_info[] = { 150static struct ata_port_info pdc2027x_port_info[] = {
@@ -310,22 +248,7 @@ static int pdc2027x_prereset(struct ata_link *link, unsigned long deadline)
310 /* Check whether port enabled */ 248 /* Check whether port enabled */
311 if (!pdc2027x_port_enabled(link->ap)) 249 if (!pdc2027x_port_enabled(link->ap))
312 return -ENOENT; 250 return -ENOENT;
313 return ata_std_prereset(link, deadline); 251 return ata_sff_prereset(link, deadline);
314}
315
316/**
317 * pdc2027x_error_handler - Perform reset on PATA port and classify
318 * @ap: Port to reset
319 *
320 * Reset PATA phy and classify attached devices.
321 *
322 * LOCKING:
323 * None (inherited from caller).
324 */
325
326static void pdc2027x_error_handler(struct ata_port *ap)
327{
328 ata_bmdma_drive_eh(ap, pdc2027x_prereset, ata_std_softreset, NULL, ata_std_postreset);
329} 252}
330 253
331/** 254/**
@@ -342,7 +265,7 @@ static unsigned long pdc2027x_mode_filter(struct ata_device *adev, unsigned long
342 struct ata_device *pair = ata_dev_pair(adev); 265 struct ata_device *pair = ata_dev_pair(adev);
343 266
344 if (adev->class != ATA_DEV_ATA || adev->devno == 0 || pair == NULL) 267 if (adev->class != ATA_DEV_ATA || adev->devno == 0 || pair == NULL)
345 return ata_pci_default_filter(adev, mask); 268 return ata_bmdma_mode_filter(adev, mask);
346 269
347 /* Check for slave of a Maxtor at UDMA6 */ 270 /* Check for slave of a Maxtor at UDMA6 */
348 ata_id_c_string(pair->id, model_num, ATA_ID_PROD, 271 ata_id_c_string(pair->id, model_num, ATA_ID_PROD,
@@ -351,7 +274,7 @@ static unsigned long pdc2027x_mode_filter(struct ata_device *adev, unsigned long
351 if (strstr(model_num, "Maxtor") == NULL && pair->dma_mode == XFER_UDMA_6) 274 if (strstr(model_num, "Maxtor") == NULL && pair->dma_mode == XFER_UDMA_6)
352 mask &= ~ (1 << (6 + ATA_SHIFT_UDMA)); 275 mask &= ~ (1 << (6 + ATA_SHIFT_UDMA));
353 276
354 return ata_pci_default_filter(adev, mask); 277 return ata_bmdma_mode_filter(adev, mask);
355} 278}
356 279
357/** 280/**
@@ -836,8 +759,8 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de
836 return -EIO; 759 return -EIO;
837 760
838 pci_set_master(pdev); 761 pci_set_master(pdev);
839 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 762 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
840 &pdc2027x_sht); 763 IRQF_SHARED, &pdc2027x_sht);
841} 764}
842 765
843/** 766/**
diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c
index 3ed866723e0c..d2673060bc8d 100644
--- a/drivers/ata/pata_pdc202xx_old.c
+++ b/drivers/ata/pata_pdc202xx_old.c
@@ -262,94 +262,34 @@ static int pdc2026x_check_atapi_dma(struct ata_queued_cmd *qc)
262} 262}
263 263
264static struct scsi_host_template pdc202xx_sht = { 264static struct scsi_host_template pdc202xx_sht = {
265 .module = THIS_MODULE, 265 ATA_BMDMA_SHT(DRV_NAME),
266 .name = DRV_NAME,
267 .ioctl = ata_scsi_ioctl,
268 .queuecommand = ata_scsi_queuecmd,
269 .can_queue = ATA_DEF_QUEUE,
270 .this_id = ATA_SHT_THIS_ID,
271 .sg_tablesize = LIBATA_MAX_PRD,
272 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
273 .emulated = ATA_SHT_EMULATED,
274 .use_clustering = ATA_SHT_USE_CLUSTERING,
275 .proc_name = DRV_NAME,
276 .dma_boundary = ATA_DMA_BOUNDARY,
277 .slave_configure = ata_scsi_slave_config,
278 .slave_destroy = ata_scsi_slave_destroy,
279 .bios_param = ata_std_bios_param,
280}; 266};
281 267
282static struct ata_port_operations pdc2024x_port_ops = { 268static struct ata_port_operations pdc2024x_port_ops = {
283 .set_piomode = pdc202xx_set_piomode, 269 .inherits = &ata_bmdma_port_ops,
284 .set_dmamode = pdc202xx_set_dmamode, 270
285 .mode_filter = ata_pci_default_filter, 271 .cable_detect = ata_cable_40wire,
286 .tf_load = ata_tf_load, 272 .set_piomode = pdc202xx_set_piomode,
287 .tf_read = ata_tf_read, 273 .set_dmamode = pdc202xx_set_dmamode,
288 .check_status = ata_check_status,
289 .exec_command = ata_exec_command,
290 .dev_select = ata_std_dev_select,
291
292 .freeze = ata_bmdma_freeze,
293 .thaw = ata_bmdma_thaw,
294 .error_handler = ata_bmdma_error_handler,
295 .post_internal_cmd = ata_bmdma_post_internal_cmd,
296 .cable_detect = ata_cable_40wire,
297
298 .bmdma_setup = ata_bmdma_setup,
299 .bmdma_start = ata_bmdma_start,
300 .bmdma_stop = ata_bmdma_stop,
301 .bmdma_status = ata_bmdma_status,
302
303 .qc_prep = ata_qc_prep,
304 .qc_issue = ata_qc_issue_prot,
305 .data_xfer = ata_data_xfer,
306
307 .irq_handler = ata_interrupt,
308 .irq_clear = ata_bmdma_irq_clear,
309 .irq_on = ata_irq_on,
310
311 .port_start = ata_sff_port_start,
312}; 274};
313 275
314static struct ata_port_operations pdc2026x_port_ops = { 276static struct ata_port_operations pdc2026x_port_ops = {
315 .set_piomode = pdc202xx_set_piomode, 277 .inherits = &pdc2024x_port_ops,
316 .set_dmamode = pdc202xx_set_dmamode, 278
317 .mode_filter = ata_pci_default_filter, 279 .check_atapi_dma = pdc2026x_check_atapi_dma,
318 .tf_load = ata_tf_load, 280 .bmdma_start = pdc2026x_bmdma_start,
319 .tf_read = ata_tf_read, 281 .bmdma_stop = pdc2026x_bmdma_stop,
320 .check_status = ata_check_status, 282
321 .exec_command = ata_exec_command, 283 .cable_detect = pdc2026x_cable_detect,
322 .dev_select = ata_std_dev_select, 284 .dev_config = pdc2026x_dev_config,
323 .dev_config = pdc2026x_dev_config, 285
324 286 .port_start = pdc2026x_port_start,
325 .freeze = ata_bmdma_freeze,
326 .thaw = ata_bmdma_thaw,
327 .error_handler = ata_bmdma_error_handler,
328 .post_internal_cmd = ata_bmdma_post_internal_cmd,
329 .cable_detect = pdc2026x_cable_detect,
330
331 .check_atapi_dma= pdc2026x_check_atapi_dma,
332 .bmdma_setup = ata_bmdma_setup,
333 .bmdma_start = pdc2026x_bmdma_start,
334 .bmdma_stop = pdc2026x_bmdma_stop,
335 .bmdma_status = ata_bmdma_status,
336
337 .qc_prep = ata_qc_prep,
338 .qc_issue = ata_qc_issue_prot,
339 .data_xfer = ata_data_xfer,
340
341 .irq_handler = ata_interrupt,
342 .irq_clear = ata_bmdma_irq_clear,
343 .irq_on = ata_irq_on,
344
345 .port_start = pdc2026x_port_start,
346}; 287};
347 288
348static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id) 289static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
349{ 290{
350 static const struct ata_port_info info[3] = { 291 static const struct ata_port_info info[3] = {
351 { 292 {
352 .sht = &pdc202xx_sht,
353 .flags = ATA_FLAG_SLAVE_POSS, 293 .flags = ATA_FLAG_SLAVE_POSS,
354 .pio_mask = 0x1f, 294 .pio_mask = 0x1f,
355 .mwdma_mask = 0x07, 295 .mwdma_mask = 0x07,
@@ -357,7 +297,6 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id
357 .port_ops = &pdc2024x_port_ops 297 .port_ops = &pdc2024x_port_ops
358 }, 298 },
359 { 299 {
360 .sht = &pdc202xx_sht,
361 .flags = ATA_FLAG_SLAVE_POSS, 300 .flags = ATA_FLAG_SLAVE_POSS,
362 .pio_mask = 0x1f, 301 .pio_mask = 0x1f,
363 .mwdma_mask = 0x07, 302 .mwdma_mask = 0x07,
@@ -365,7 +304,6 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id
365 .port_ops = &pdc2026x_port_ops 304 .port_ops = &pdc2026x_port_ops
366 }, 305 },
367 { 306 {
368 .sht = &pdc202xx_sht,
369 .flags = ATA_FLAG_SLAVE_POSS, 307 .flags = ATA_FLAG_SLAVE_POSS,
370 .pio_mask = 0x1f, 308 .pio_mask = 0x1f,
371 .mwdma_mask = 0x07, 309 .mwdma_mask = 0x07,
@@ -386,7 +324,7 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id
386 return -ENODEV; 324 return -ENODEV;
387 } 325 }
388 } 326 }
389 return ata_pci_init_one(dev, ppi); 327 return ata_pci_sff_init_one(dev, ppi, &pdc202xx_sht, NULL);
390} 328}
391 329
392static const struct pci_device_id pdc202xx[] = { 330static const struct pci_device_id pdc202xx[] = {
diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
index aad7adc6ea56..6527c56c34a3 100644
--- a/drivers/ata/pata_platform.c
+++ b/drivers/ata/pata_platform.c
@@ -46,50 +46,16 @@ static int pata_platform_set_mode(struct ata_link *link, struct ata_device **unu
46 return 0; 46 return 0;
47} 47}
48 48
49static int ata_dummy_ret0(struct ata_port *ap) { return 0; }
50
51static struct scsi_host_template pata_platform_sht = { 49static struct scsi_host_template pata_platform_sht = {
52 .module = THIS_MODULE, 50 ATA_PIO_SHT(DRV_NAME),
53 .name = DRV_NAME,
54 .ioctl = ata_scsi_ioctl,
55 .queuecommand = ata_scsi_queuecmd,
56 .can_queue = ATA_DEF_QUEUE,
57 .this_id = ATA_SHT_THIS_ID,
58 .sg_tablesize = LIBATA_MAX_PRD,
59 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
60 .emulated = ATA_SHT_EMULATED,
61 .use_clustering = ATA_SHT_USE_CLUSTERING,
62 .proc_name = DRV_NAME,
63 .dma_boundary = ATA_DMA_BOUNDARY,
64 .slave_configure = ata_scsi_slave_config,
65 .slave_destroy = ata_scsi_slave_destroy,
66 .bios_param = ata_std_bios_param,
67}; 51};
68 52
69static struct ata_port_operations pata_platform_port_ops = { 53static struct ata_port_operations pata_platform_port_ops = {
70 .set_mode = pata_platform_set_mode, 54 .inherits = &ata_sff_port_ops,
71 55 .sff_data_xfer = ata_sff_data_xfer_noirq,
72 .tf_load = ata_tf_load,
73 .tf_read = ata_tf_read,
74 .check_status = ata_check_status,
75 .exec_command = ata_exec_command,
76 .dev_select = ata_std_dev_select,
77
78 .freeze = ata_bmdma_freeze,
79 .thaw = ata_bmdma_thaw,
80 .error_handler = ata_bmdma_error_handler,
81 .post_internal_cmd = ata_bmdma_post_internal_cmd,
82 .cable_detect = ata_cable_unknown, 56 .cable_detect = ata_cable_unknown,
83 57 .set_mode = pata_platform_set_mode,
84 .qc_prep = ata_qc_prep, 58 .port_start = ATA_OP_NULL,
85 .qc_issue = ata_qc_issue_prot,
86
87 .data_xfer = ata_data_xfer_noirq,
88
89 .irq_clear = ata_bmdma_irq_clear,
90 .irq_on = ata_irq_on,
91
92 .port_start = ata_dummy_ret0,
93}; 59};
94 60
95static void pata_platform_setup_port(struct ata_ioports *ioaddr, 61static void pata_platform_setup_port(struct ata_ioports *ioaddr,
@@ -210,7 +176,7 @@ int __devinit __pata_platform_probe(struct device *dev,
210 (unsigned long long)ctl_res->start); 176 (unsigned long long)ctl_res->start);
211 177
212 /* activate */ 178 /* activate */
213 return ata_host_activate(host, irq, irq ? ata_interrupt : NULL, 179 return ata_host_activate(host, irq, irq ? ata_sff_interrupt : NULL,
214 irq_flags, &pata_platform_sht); 180 irq_flags, &pata_platform_sht);
215} 181}
216EXPORT_SYMBOL_GPL(__pata_platform_probe); 182EXPORT_SYMBOL_GPL(__pata_platform_probe);
diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c
index 9f308ed76cc8..bf45cf017753 100644
--- a/drivers/ata/pata_qdi.c
+++ b/drivers/ata/pata_qdi.c
@@ -102,14 +102,14 @@ static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev)
102} 102}
103 103
104/** 104/**
105 * qdi_qc_issue_prot - command issue 105 * qdi_qc_issue - command issue
106 * @qc: command pending 106 * @qc: command pending
107 * 107 *
108 * Called when the libata layer is about to issue a command. We wrap 108 * Called when the libata layer is about to issue a command. We wrap
109 * this interface so that we can load the correct ATA timings. 109 * this interface so that we can load the correct ATA timings.
110 */ 110 */
111 111
112static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc) 112static unsigned int qdi_qc_issue(struct ata_queued_cmd *qc)
113{ 113{
114 struct ata_port *ap = qc->ap; 114 struct ata_port *ap = qc->ap;
115 struct ata_device *adev = qc->dev; 115 struct ata_device *adev = qc->dev;
@@ -121,7 +121,7 @@ static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc)
121 outb(qdi->clock[adev->devno], qdi->timing); 121 outb(qdi->clock[adev->devno], qdi->timing);
122 } 122 }
123 } 123 }
124 return ata_qc_issue_prot(qc); 124 return ata_sff_qc_issue(qc);
125} 125}
126 126
127static unsigned int qdi_data_xfer(struct ata_device *dev, unsigned char *buf, 127static unsigned int qdi_data_xfer(struct ata_device *dev, unsigned char *buf,
@@ -148,79 +148,26 @@ static unsigned int qdi_data_xfer(struct ata_device *dev, unsigned char *buf,
148 buflen += 4 - slop; 148 buflen += 4 - slop;
149 } 149 }
150 } else 150 } else
151 buflen = ata_data_xfer(dev, buf, buflen, rw); 151 buflen = ata_sff_data_xfer(dev, buf, buflen, rw);
152 152
153 return buflen; 153 return buflen;
154} 154}
155 155
156static struct scsi_host_template qdi_sht = { 156static struct scsi_host_template qdi_sht = {
157 .module = THIS_MODULE, 157 ATA_PIO_SHT(DRV_NAME),
158 .name = DRV_NAME,
159 .ioctl = ata_scsi_ioctl,
160 .queuecommand = ata_scsi_queuecmd,
161 .can_queue = ATA_DEF_QUEUE,
162 .this_id = ATA_SHT_THIS_ID,
163 .sg_tablesize = LIBATA_MAX_PRD,
164 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
165 .emulated = ATA_SHT_EMULATED,
166 .use_clustering = ATA_SHT_USE_CLUSTERING,
167 .proc_name = DRV_NAME,
168 .dma_boundary = ATA_DMA_BOUNDARY,
169 .slave_configure = ata_scsi_slave_config,
170 .slave_destroy = ata_scsi_slave_destroy,
171 .bios_param = ata_std_bios_param,
172}; 158};
173 159
174static struct ata_port_operations qdi6500_port_ops = { 160static struct ata_port_operations qdi6500_port_ops = {
175 .set_piomode = qdi6500_set_piomode, 161 .inherits = &ata_sff_port_ops,
176 162 .qc_issue = qdi_qc_issue,
177 .tf_load = ata_tf_load, 163 .sff_data_xfer = qdi_data_xfer,
178 .tf_read = ata_tf_read,
179 .check_status = ata_check_status,
180 .exec_command = ata_exec_command,
181 .dev_select = ata_std_dev_select,
182
183 .freeze = ata_bmdma_freeze,
184 .thaw = ata_bmdma_thaw,
185 .error_handler = ata_bmdma_error_handler,
186 .post_internal_cmd = ata_bmdma_post_internal_cmd,
187 .cable_detect = ata_cable_40wire, 164 .cable_detect = ata_cable_40wire,
188 165 .set_piomode = qdi6500_set_piomode,
189 .qc_prep = ata_qc_prep,
190 .qc_issue = qdi_qc_issue_prot,
191
192 .data_xfer = qdi_data_xfer,
193
194 .irq_clear = ata_bmdma_irq_clear,
195 .irq_on = ata_irq_on,
196
197 .port_start = ata_sff_port_start,
198}; 166};
199 167
200static struct ata_port_operations qdi6580_port_ops = { 168static struct ata_port_operations qdi6580_port_ops = {
169 .inherits = &qdi6500_port_ops,
201 .set_piomode = qdi6580_set_piomode, 170 .set_piomode = qdi6580_set_piomode,
202
203 .tf_load = ata_tf_load,
204 .tf_read = ata_tf_read,
205 .check_status = ata_check_status,
206 .exec_command = ata_exec_command,
207 .dev_select = ata_std_dev_select,
208
209 .freeze = ata_bmdma_freeze,
210 .thaw = ata_bmdma_thaw,
211 .error_handler = ata_bmdma_error_handler,
212 .post_internal_cmd = ata_bmdma_post_internal_cmd,
213 .cable_detect = ata_cable_40wire,
214
215 .qc_prep = ata_qc_prep,
216 .qc_issue = qdi_qc_issue_prot,
217
218 .data_xfer = qdi_data_xfer,
219
220 .irq_clear = ata_bmdma_irq_clear,
221 .irq_on = ata_irq_on,
222
223 .port_start = ata_sff_port_start,
224}; 171};
225 172
226/** 173/**
@@ -276,7 +223,7 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i
276 ap->ioaddr.cmd_addr = io_addr; 223 ap->ioaddr.cmd_addr = io_addr;
277 ap->ioaddr.altstatus_addr = ctl_addr; 224 ap->ioaddr.altstatus_addr = ctl_addr;
278 ap->ioaddr.ctl_addr = ctl_addr; 225 ap->ioaddr.ctl_addr = ctl_addr;
279 ata_std_ports(&ap->ioaddr); 226 ata_sff_std_ports(&ap->ioaddr);
280 227
281 ata_port_desc(ap, "cmd %lx ctl %lx", io, ctl); 228 ata_port_desc(ap, "cmd %lx ctl %lx", io, ctl);
282 229
@@ -292,7 +239,7 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i
292 printk(KERN_INFO DRV_NAME": qd%d at 0x%lx.\n", type, io); 239 printk(KERN_INFO DRV_NAME": qd%d at 0x%lx.\n", type, io);
293 240
294 /* activate */ 241 /* activate */
295 ret = ata_host_activate(host, irq, ata_interrupt, 0, &qdi_sht); 242 ret = ata_host_activate(host, irq, ata_sff_interrupt, 0, &qdi_sht);
296 if (ret) 243 if (ret)
297 goto fail; 244 goto fail;
298 245
diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c
index 8109b08fc024..1c0d9fa7ee54 100644
--- a/drivers/ata/pata_radisys.c
+++ b/drivers/ata/pata_radisys.c
@@ -156,7 +156,7 @@ static void radisys_set_dmamode (struct ata_port *ap, struct ata_device *adev)
156} 156}
157 157
158/** 158/**
159 * radisys_qc_issue_prot - command issue 159 * radisys_qc_issue - command issue
160 * @qc: command pending 160 * @qc: command pending
161 * 161 *
162 * Called when the libata layer is about to issue a command. We wrap 162 * Called when the libata layer is about to issue a command. We wrap
@@ -166,7 +166,7 @@ static void radisys_set_dmamode (struct ata_port *ap, struct ata_device *adev)
166 * be made PIO0. 166 * be made PIO0.
167 */ 167 */
168 168
169static unsigned int radisys_qc_issue_prot(struct ata_queued_cmd *qc) 169static unsigned int radisys_qc_issue(struct ata_queued_cmd *qc)
170{ 170{
171 struct ata_port *ap = qc->ap; 171 struct ata_port *ap = qc->ap;
172 struct ata_device *adev = qc->dev; 172 struct ata_device *adev = qc->dev;
@@ -180,58 +180,20 @@ static unsigned int radisys_qc_issue_prot(struct ata_queued_cmd *qc)
180 radisys_set_piomode(ap, adev); 180 radisys_set_piomode(ap, adev);
181 } 181 }
182 } 182 }
183 return ata_qc_issue_prot(qc); 183 return ata_sff_qc_issue(qc);
184} 184}
185 185
186 186
187static struct scsi_host_template radisys_sht = { 187static struct scsi_host_template radisys_sht = {
188 .module = THIS_MODULE, 188 ATA_BMDMA_SHT(DRV_NAME),
189 .name = DRV_NAME,
190 .ioctl = ata_scsi_ioctl,
191 .queuecommand = ata_scsi_queuecmd,
192 .can_queue = ATA_DEF_QUEUE,
193 .this_id = ATA_SHT_THIS_ID,
194 .sg_tablesize = LIBATA_MAX_PRD,
195 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
196 .emulated = ATA_SHT_EMULATED,
197 .use_clustering = ATA_SHT_USE_CLUSTERING,
198 .proc_name = DRV_NAME,
199 .dma_boundary = ATA_DMA_BOUNDARY,
200 .slave_configure = ata_scsi_slave_config,
201 .slave_destroy = ata_scsi_slave_destroy,
202 .bios_param = ata_std_bios_param,
203}; 189};
204 190
205static const struct ata_port_operations radisys_pata_ops = { 191static struct ata_port_operations radisys_pata_ops = {
192 .inherits = &ata_bmdma_port_ops,
193 .qc_issue = radisys_qc_issue,
194 .cable_detect = ata_cable_unknown,
206 .set_piomode = radisys_set_piomode, 195 .set_piomode = radisys_set_piomode,
207 .set_dmamode = radisys_set_dmamode, 196 .set_dmamode = radisys_set_dmamode,
208 .mode_filter = ata_pci_default_filter,
209
210 .tf_load = ata_tf_load,
211 .tf_read = ata_tf_read,
212 .check_status = ata_check_status,
213 .exec_command = ata_exec_command,
214 .dev_select = ata_std_dev_select,
215
216 .freeze = ata_bmdma_freeze,
217 .thaw = ata_bmdma_thaw,
218 .error_handler = ata_bmdma_error_handler,
219 .post_internal_cmd = ata_bmdma_post_internal_cmd,
220 .cable_detect = ata_cable_unknown,
221
222 .bmdma_setup = ata_bmdma_setup,
223 .bmdma_start = ata_bmdma_start,
224 .bmdma_stop = ata_bmdma_stop,
225 .bmdma_status = ata_bmdma_status,
226 .qc_prep = ata_qc_prep,
227 .qc_issue = radisys_qc_issue_prot,
228 .data_xfer = ata_data_xfer,
229
230 .irq_handler = ata_interrupt,
231 .irq_clear = ata_bmdma_irq_clear,
232 .irq_on = ata_irq_on,
233
234 .port_start = ata_sff_port_start,
235}; 197};
236 198
237 199
@@ -254,7 +216,6 @@ static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *e
254{ 216{
255 static int printed_version; 217 static int printed_version;
256 static const struct ata_port_info info = { 218 static const struct ata_port_info info = {
257 .sht = &radisys_sht,
258 .flags = ATA_FLAG_SLAVE_POSS, 219 .flags = ATA_FLAG_SLAVE_POSS,
259 .pio_mask = 0x1f, /* pio0-4 */ 220 .pio_mask = 0x1f, /* pio0-4 */
260 .mwdma_mask = 0x07, /* mwdma1-2 */ 221 .mwdma_mask = 0x07, /* mwdma1-2 */
@@ -267,7 +228,7 @@ static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *e
267 dev_printk(KERN_DEBUG, &pdev->dev, 228 dev_printk(KERN_DEBUG, &pdev->dev,
268 "version " DRV_VERSION "\n"); 229 "version " DRV_VERSION "\n");
269 230
270 return ata_pci_init_one(pdev, ppi); 231 return ata_pci_sff_init_one(pdev, ppi, &radisys_sht, NULL);
271} 232}
272 233
273static const struct pci_device_id radisys_pci_tbl[] = { 234static const struct pci_device_id radisys_pci_tbl[] = {
diff --git a/drivers/ata/pata_rb500_cf.c b/drivers/ata/pata_rb500_cf.c
index 4ce9b03fe6c8..800ae4601f44 100644
--- a/drivers/ata/pata_rb500_cf.c
+++ b/drivers/ata/pata_rb500_cf.c
@@ -57,7 +57,7 @@ static inline void rb500_pata_finish_io(struct ata_port *ap)
57 struct ata_host *ah = ap->host; 57 struct ata_host *ah = ap->host;
58 struct rb500_cf_info *info = ah->private_data; 58 struct rb500_cf_info *info = ah->private_data;
59 59
60 ata_altstatus(ap); 60 ata_sff_altstatus(ap);
61 ndelay(RB500_CF_IO_DELAY); 61 ndelay(RB500_CF_IO_DELAY);
62 62
63 set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); 63 set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
@@ -109,7 +109,7 @@ static irqreturn_t rb500_pata_irq_handler(int irq, void *dev_instance)
109 if (gpio_get_value(info->gpio_line)) { 109 if (gpio_get_value(info->gpio_line)) {
110 set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW); 110 set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
111 if (!info->frozen) 111 if (!info->frozen)
112 ata_interrupt(info->irq, dev_instance); 112 ata_sff_interrupt(info->irq, dev_instance);
113 } else { 113 } else {
114 set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); 114 set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
115 } 115 }
@@ -117,58 +117,18 @@ static irqreturn_t rb500_pata_irq_handler(int irq, void *dev_instance)
117 return IRQ_HANDLED; 117 return IRQ_HANDLED;
118} 118}
119 119
120static void rb500_pata_irq_clear(struct ata_port *ap)
121{
122}
123
124static int rb500_pata_port_start(struct ata_port *ap)
125{
126 return 0;
127}
128
129static struct ata_port_operations rb500_pata_port_ops = { 120static struct ata_port_operations rb500_pata_port_ops = {
130 .tf_load = ata_tf_load, 121 .inherits = &ata_sff_port_ops,
131 .tf_read = ata_tf_read, 122 .sff_exec_command = rb500_pata_exec_command,
132 123 .sff_data_xfer = rb500_pata_data_xfer,
133 .exec_command = rb500_pata_exec_command,
134 .check_status = ata_check_status,
135 .dev_select = ata_std_dev_select,
136
137 .data_xfer = rb500_pata_data_xfer,
138
139 .qc_prep = ata_qc_prep,
140 .qc_issue = ata_qc_issue_prot,
141
142 .freeze = rb500_pata_freeze, 124 .freeze = rb500_pata_freeze,
143 .thaw = rb500_pata_thaw, 125 .thaw = rb500_pata_thaw,
144 .error_handler = ata_bmdma_error_handler,
145
146 .irq_handler = rb500_pata_irq_handler,
147 .irq_clear = rb500_pata_irq_clear,
148 .irq_on = ata_irq_on,
149
150 .port_start = rb500_pata_port_start,
151}; 126};
152 127
153/* ------------------------------------------------------------------------ */ 128/* ------------------------------------------------------------------------ */
154 129
155static struct scsi_host_template rb500_pata_sht = { 130static struct scsi_host_template rb500_pata_sht = {
156 .module = THIS_MODULE, 131 ATA_PIO_SHT(DRV_NAME),
157 .name = DRV_NAME,
158 .ioctl = ata_scsi_ioctl,
159 .queuecommand = ata_scsi_queuecmd,
160 .slave_configure = ata_scsi_slave_config,
161 .slave_destroy = ata_scsi_slave_destroy,
162 .bios_param = ata_std_bios_param,
163 .proc_name = DRV_NAME,
164
165 .can_queue = ATA_DEF_QUEUE,
166 .this_id = ATA_SHT_THIS_ID,
167 .sg_tablesize = LIBATA_MAX_PRD,
168 .dma_boundary = ATA_DMA_BOUNDARY,
169 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
170 .emulated = ATA_SHT_EMULATED,
171 .use_clustering = ATA_SHT_USE_CLUSTERING,
172}; 132};
173 133
174/* ------------------------------------------------------------------------ */ 134/* ------------------------------------------------------------------------ */
@@ -188,7 +148,7 @@ static void rb500_pata_setup_ports(struct ata_host *ah)
188 ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL; 148 ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL;
189 ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL; 149 ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL;
190 150
191 ata_std_ports(&ap->ioaddr); 151 ata_sff_std_ports(&ap->ioaddr);
192 152
193 ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA; 153 ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA;
194} 154}
diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c
index ba8a31c55edb..7dfd1f3f6f3a 100644
--- a/drivers/ata/pata_rz1000.c
+++ b/drivers/ata/pata_rz1000.c
@@ -53,53 +53,13 @@ static int rz1000_set_mode(struct ata_link *link, struct ata_device **unused)
53 53
54 54
55static struct scsi_host_template rz1000_sht = { 55static struct scsi_host_template rz1000_sht = {
56 .module = THIS_MODULE, 56 ATA_PIO_SHT(DRV_NAME),
57 .name = DRV_NAME,
58 .ioctl = ata_scsi_ioctl,
59 .queuecommand = ata_scsi_queuecmd,
60 .can_queue = ATA_DEF_QUEUE,
61 .this_id = ATA_SHT_THIS_ID,
62 .sg_tablesize = LIBATA_MAX_PRD,
63 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
64 .emulated = ATA_SHT_EMULATED,
65 .use_clustering = ATA_SHT_USE_CLUSTERING,
66 .proc_name = DRV_NAME,
67 .dma_boundary = ATA_DMA_BOUNDARY,
68 .slave_configure = ata_scsi_slave_config,
69 .slave_destroy = ata_scsi_slave_destroy,
70 .bios_param = ata_std_bios_param,
71}; 57};
72 58
73static struct ata_port_operations rz1000_port_ops = { 59static struct ata_port_operations rz1000_port_ops = {
74 .set_mode = rz1000_set_mode, 60 .inherits = &ata_sff_port_ops,
75
76 .tf_load = ata_tf_load,
77 .tf_read = ata_tf_read,
78 .check_status = ata_check_status,
79 .exec_command = ata_exec_command,
80 .dev_select = ata_std_dev_select,
81
82 .bmdma_setup = ata_bmdma_setup,
83 .bmdma_start = ata_bmdma_start,
84 .bmdma_stop = ata_bmdma_stop,
85 .bmdma_status = ata_bmdma_status,
86
87 .qc_prep = ata_qc_prep,
88 .qc_issue = ata_qc_issue_prot,
89
90 .data_xfer = ata_data_xfer,
91
92 .freeze = ata_bmdma_freeze,
93 .thaw = ata_bmdma_thaw,
94 .error_handler = ata_bmdma_error_handler,
95 .post_internal_cmd = ata_bmdma_post_internal_cmd,
96 .cable_detect = ata_cable_40wire, 61 .cable_detect = ata_cable_40wire,
97 62 .set_mode = rz1000_set_mode,
98 .irq_handler = ata_interrupt,
99 .irq_clear = ata_bmdma_irq_clear,
100 .irq_on = ata_irq_on,
101
102 .port_start = ata_sff_port_start,
103}; 63};
104 64
105static int rz1000_fifo_disable(struct pci_dev *pdev) 65static int rz1000_fifo_disable(struct pci_dev *pdev)
@@ -129,7 +89,6 @@ static int rz1000_init_one (struct pci_dev *pdev, const struct pci_device_id *en
129{ 89{
130 static int printed_version; 90 static int printed_version;
131 static const struct ata_port_info info = { 91 static const struct ata_port_info info = {
132 .sht = &rz1000_sht,
133 .flags = ATA_FLAG_SLAVE_POSS, 92 .flags = ATA_FLAG_SLAVE_POSS,
134 .pio_mask = 0x1f, 93 .pio_mask = 0x1f,
135 .port_ops = &rz1000_port_ops 94 .port_ops = &rz1000_port_ops
@@ -140,7 +99,7 @@ static int rz1000_init_one (struct pci_dev *pdev, const struct pci_device_id *en
140 printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n"); 99 printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");
141 100
142 if (rz1000_fifo_disable(pdev) == 0) 101 if (rz1000_fifo_disable(pdev) == 0)
143 return ata_pci_init_one(pdev, ppi); 102 return ata_pci_sff_init_one(pdev, ppi, &rz1000_sht, NULL);
144 103
145 printk(KERN_ERR DRV_NAME ": failed to disable read-ahead on chipset..\n"); 104 printk(KERN_ERR DRV_NAME ": failed to disable read-ahead on chipset..\n");
146 /* Not safe to use so skip */ 105 /* Not safe to use so skip */
diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c
index 725a8586cd6e..cbab397e3db7 100644
--- a/drivers/ata/pata_sc1200.c
+++ b/drivers/ata/pata_sc1200.c
@@ -151,7 +151,7 @@ static void sc1200_set_dmamode(struct ata_port *ap, struct ata_device *adev)
151} 151}
152 152
153/** 153/**
154 * sc1200_qc_issue_prot - command issue 154 * sc1200_qc_issue - command issue
155 * @qc: command pending 155 * @qc: command pending
156 * 156 *
157 * Called when the libata layer is about to issue a command. We wrap 157 * Called when the libata layer is about to issue a command. We wrap
@@ -160,7 +160,7 @@ static void sc1200_set_dmamode(struct ata_port *ap, struct ata_device *adev)
160 * one MWDMA/UDMA bit. 160 * one MWDMA/UDMA bit.
161 */ 161 */
162 162
163static unsigned int sc1200_qc_issue_prot(struct ata_queued_cmd *qc) 163static unsigned int sc1200_qc_issue(struct ata_queued_cmd *qc)
164{ 164{
165 struct ata_port *ap = qc->ap; 165 struct ata_port *ap = qc->ap;
166 struct ata_device *adev = qc->dev; 166 struct ata_device *adev = qc->dev;
@@ -175,59 +175,21 @@ static unsigned int sc1200_qc_issue_prot(struct ata_queued_cmd *qc)
175 sc1200_set_dmamode(ap, adev); 175 sc1200_set_dmamode(ap, adev);
176 } 176 }
177 177
178 return ata_qc_issue_prot(qc); 178 return ata_sff_qc_issue(qc);
179} 179}
180 180
181static struct scsi_host_template sc1200_sht = { 181static struct scsi_host_template sc1200_sht = {
182 .module = THIS_MODULE, 182 ATA_BMDMA_SHT(DRV_NAME),
183 .name = DRV_NAME, 183 .sg_tablesize = LIBATA_DUMB_MAX_PRD,
184 .ioctl = ata_scsi_ioctl,
185 .queuecommand = ata_scsi_queuecmd,
186 .can_queue = ATA_DEF_QUEUE,
187 .this_id = ATA_SHT_THIS_ID,
188 .sg_tablesize = LIBATA_DUMB_MAX_PRD,
189 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
190 .emulated = ATA_SHT_EMULATED,
191 .use_clustering = ATA_SHT_USE_CLUSTERING,
192 .proc_name = DRV_NAME,
193 .dma_boundary = ATA_DMA_BOUNDARY,
194 .slave_configure = ata_scsi_slave_config,
195 .slave_destroy = ata_scsi_slave_destroy,
196 .bios_param = ata_std_bios_param,
197}; 184};
198 185
199static struct ata_port_operations sc1200_port_ops = { 186static struct ata_port_operations sc1200_port_ops = {
187 .inherits = &ata_bmdma_port_ops,
188 .qc_prep = ata_sff_dumb_qc_prep,
189 .qc_issue = sc1200_qc_issue,
190 .cable_detect = ata_cable_40wire,
200 .set_piomode = sc1200_set_piomode, 191 .set_piomode = sc1200_set_piomode,
201 .set_dmamode = sc1200_set_dmamode, 192 .set_dmamode = sc1200_set_dmamode,
202 .mode_filter = ata_pci_default_filter,
203
204 .tf_load = ata_tf_load,
205 .tf_read = ata_tf_read,
206 .check_status = ata_check_status,
207 .exec_command = ata_exec_command,
208 .dev_select = ata_std_dev_select,
209
210 .freeze = ata_bmdma_freeze,
211 .thaw = ata_bmdma_thaw,
212 .error_handler = ata_bmdma_error_handler,
213 .post_internal_cmd = ata_bmdma_post_internal_cmd,
214 .cable_detect = ata_cable_40wire,
215
216 .bmdma_setup = ata_bmdma_setup,
217 .bmdma_start = ata_bmdma_start,
218 .bmdma_stop = ata_bmdma_stop,
219 .bmdma_status = ata_bmdma_status,
220
221 .qc_prep = ata_dumb_qc_prep,
222 .qc_issue = sc1200_qc_issue_prot,
223
224 .data_xfer = ata_data_xfer,
225
226 .irq_handler = ata_interrupt,
227 .irq_clear = ata_bmdma_irq_clear,
228 .irq_on = ata_irq_on,
229
230 .port_start = ata_sff_port_start,
231}; 193};
232 194
233/** 195/**
@@ -242,7 +204,6 @@ static struct ata_port_operations sc1200_port_ops = {
242static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id) 204static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
243{ 205{
244 static const struct ata_port_info info = { 206 static const struct ata_port_info info = {
245 .sht = &sc1200_sht,
246 .flags = ATA_FLAG_SLAVE_POSS, 207 .flags = ATA_FLAG_SLAVE_POSS,
247 .pio_mask = 0x1f, 208 .pio_mask = 0x1f,
248 .mwdma_mask = 0x07, 209 .mwdma_mask = 0x07,
@@ -252,7 +213,7 @@ static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
252 /* Can't enable port 2 yet, see top comments */ 213 /* Can't enable port 2 yet, see top comments */
253 const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info }; 214 const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info };
254 215
255 return ata_pci_init_one(dev, ppi); 216 return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL);
256} 217}
257 218
258static const struct pci_device_id sc1200[] = { 219static const struct pci_device_id sc1200[] = {
diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
index 6c016deeaed8..e965b251ca24 100644
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -266,7 +266,7 @@ unsigned long scc_mode_filter(struct ata_device *adev, unsigned long mask)
266 printk(KERN_INFO "%s: limit ATAPI UDMA to UDMA4\n", DRV_NAME); 266 printk(KERN_INFO "%s: limit ATAPI UDMA to UDMA4\n", DRV_NAME);
267 mask &= ~(0xE0 << ATA_SHIFT_UDMA); 267 mask &= ~(0xE0 << ATA_SHIFT_UDMA);
268 } 268 }
269 return ata_pci_default_filter(adev, mask); 269 return ata_bmdma_mode_filter(adev, mask);
270} 270}
271 271
272/** 272/**
@@ -274,7 +274,7 @@ unsigned long scc_mode_filter(struct ata_device *adev, unsigned long mask)
274 * @ap: Port to which output is sent 274 * @ap: Port to which output is sent
275 * @tf: ATA taskfile register set 275 * @tf: ATA taskfile register set
276 * 276 *
277 * Note: Original code is ata_tf_load(). 277 * Note: Original code is ata_sff_tf_load().
278 */ 278 */
279 279
280static void scc_tf_load (struct ata_port *ap, const struct ata_taskfile *tf) 280static void scc_tf_load (struct ata_port *ap, const struct ata_taskfile *tf)
@@ -341,7 +341,7 @@ static u8 scc_check_status (struct ata_port *ap)
341 * @ap: Port from which input is read 341 * @ap: Port from which input is read
342 * @tf: ATA taskfile register set for storing input 342 * @tf: ATA taskfile register set for storing input
343 * 343 *
344 * Note: Original code is ata_tf_read(). 344 * Note: Original code is ata_sff_tf_read().
345 */ 345 */
346 346
347static void scc_tf_read (struct ata_port *ap, struct ata_taskfile *tf) 347static void scc_tf_read (struct ata_port *ap, struct ata_taskfile *tf)
@@ -373,7 +373,7 @@ static void scc_tf_read (struct ata_port *ap, struct ata_taskfile *tf)
373 * @ap: port to which command is being issued 373 * @ap: port to which command is being issued
374 * @tf: ATA taskfile register set 374 * @tf: ATA taskfile register set
375 * 375 *
376 * Note: Original code is ata_exec_command(). 376 * Note: Original code is ata_sff_exec_command().
377 */ 377 */
378 378
379static void scc_exec_command (struct ata_port *ap, 379static void scc_exec_command (struct ata_port *ap,
@@ -382,7 +382,7 @@ static void scc_exec_command (struct ata_port *ap,
382 DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command); 382 DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
383 383
384 out_be32(ap->ioaddr.command_addr, tf->command); 384 out_be32(ap->ioaddr.command_addr, tf->command);
385 ata_pause(ap); 385 ata_sff_pause(ap);
386} 386}
387 387
388/** 388/**
@@ -396,14 +396,14 @@ static u8 scc_check_altstatus (struct ata_port *ap)
396} 396}
397 397
398/** 398/**
399 * scc_std_dev_select - Select device 0/1 on ATA bus 399 * scc_dev_select - Select device 0/1 on ATA bus
400 * @ap: ATA channel to manipulate 400 * @ap: ATA channel to manipulate
401 * @device: ATA device (numbered from zero) to select 401 * @device: ATA device (numbered from zero) to select
402 * 402 *
403 * Note: Original code is ata_std_dev_select(). 403 * Note: Original code is ata_sff_dev_select().
404 */ 404 */
405 405
406static void scc_std_dev_select (struct ata_port *ap, unsigned int device) 406static void scc_dev_select (struct ata_port *ap, unsigned int device)
407{ 407{
408 u8 tmp; 408 u8 tmp;
409 409
@@ -413,7 +413,7 @@ static void scc_std_dev_select (struct ata_port *ap, unsigned int device)
413 tmp = ATA_DEVICE_OBS | ATA_DEV1; 413 tmp = ATA_DEVICE_OBS | ATA_DEV1;
414 414
415 out_be32(ap->ioaddr.device_addr, tmp); 415 out_be32(ap->ioaddr.device_addr, tmp);
416 ata_pause(ap); 416 ata_sff_pause(ap);
417} 417}
418 418
419/** 419/**
@@ -441,7 +441,7 @@ static void scc_bmdma_setup (struct ata_queued_cmd *qc)
441 out_be32(mmio + SCC_DMA_CMD, dmactl); 441 out_be32(mmio + SCC_DMA_CMD, dmactl);
442 442
443 /* issue r/w command */ 443 /* issue r/w command */
444 ap->ops->exec_command(ap, &qc->tf); 444 ap->ops->sff_exec_command(ap, &qc->tf);
445} 445}
446 446
447/** 447/**
@@ -476,7 +476,7 @@ static unsigned int scc_devchk (struct ata_port *ap,
476 struct ata_ioports *ioaddr = &ap->ioaddr; 476 struct ata_ioports *ioaddr = &ap->ioaddr;
477 u8 nsect, lbal; 477 u8 nsect, lbal;
478 478
479 ap->ops->dev_select(ap, device); 479 ap->ops->sff_dev_select(ap, device);
480 480
481 out_be32(ioaddr->nsect_addr, 0x55); 481 out_be32(ioaddr->nsect_addr, 0x55);
482 out_be32(ioaddr->lbal_addr, 0xaa); 482 out_be32(ioaddr->lbal_addr, 0xaa);
@@ -497,57 +497,78 @@ static unsigned int scc_devchk (struct ata_port *ap,
497} 497}
498 498
499/** 499/**
500 * scc_bus_post_reset - PATA device post reset 500 * scc_wait_after_reset - wait for devices to become ready after reset
501 * 501 *
502 * Note: Original code is ata_bus_post_reset(). 502 * Note: Original code is ata_sff_wait_after_reset
503 */ 503 */
504 504
505static int scc_bus_post_reset(struct ata_port *ap, unsigned int devmask, 505int scc_wait_after_reset(struct ata_link *link, unsigned int devmask,
506 unsigned long deadline) 506 unsigned long deadline)
507{ 507{
508 struct ata_port *ap = link->ap;
508 struct ata_ioports *ioaddr = &ap->ioaddr; 509 struct ata_ioports *ioaddr = &ap->ioaddr;
509 unsigned int dev0 = devmask & (1 << 0); 510 unsigned int dev0 = devmask & (1 << 0);
510 unsigned int dev1 = devmask & (1 << 1); 511 unsigned int dev1 = devmask & (1 << 1);
511 int rc; 512 int rc, ret = 0;
512 513
513 /* if device 0 was found in ata_devchk, wait for its 514 /* Spec mandates ">= 2ms" before checking status. We wait
514 * BSY bit to clear 515 * 150ms, because that was the magic delay used for ATAPI
516 * devices in Hale Landis's ATADRVR, for the period of time
517 * between when the ATA command register is written, and then
518 * status is checked. Because waiting for "a while" before
519 * checking status is fine, post SRST, we perform this magic
520 * delay here as well.
521 *
522 * Old drivers/ide uses the 2mS rule and then waits for ready.
515 */ 523 */
516 if (dev0) { 524 msleep(150);
517 rc = ata_wait_ready(ap, deadline);
518 if (rc && rc != -ENODEV)
519 return rc;
520 }
521 525
522 /* if device 1 was found in ata_devchk, wait for 526 /* always check readiness of the master device */
523 * register access, then wait for BSY to clear 527 rc = ata_sff_wait_ready(link, deadline);
528 /* -ENODEV means the odd clown forgot the D7 pulldown resistor
529 * and TF status is 0xff, bail out on it too.
524 */ 530 */
525 while (dev1) { 531 if (rc)
526 u8 nsect, lbal; 532 return rc;
527 533
528 ap->ops->dev_select(ap, 1); 534 /* if device 1 was found in ata_devchk, wait for register
529 nsect = in_be32(ioaddr->nsect_addr); 535 * access briefly, then wait for BSY to clear.
530 lbal = in_be32(ioaddr->lbal_addr); 536 */
531 if ((nsect == 1) && (lbal == 1))
532 break;
533 if (time_after(jiffies, deadline))
534 return -EBUSY;
535 msleep(50); /* give drive a breather */
536 }
537 if (dev1) { 537 if (dev1) {
538 rc = ata_wait_ready(ap, deadline); 538 int i;
539 if (rc && rc != -ENODEV) 539
540 return rc; 540 ap->ops->sff_dev_select(ap, 1);
541
542 /* Wait for register access. Some ATAPI devices fail
543 * to set nsect/lbal after reset, so don't waste too
544 * much time on it. We're gonna wait for !BSY anyway.
545 */
546 for (i = 0; i < 2; i++) {
547 u8 nsect, lbal;
548
549 nsect = in_be32(ioaddr->nsect_addr);
550 lbal = in_be32(ioaddr->lbal_addr);
551 if ((nsect == 1) && (lbal == 1))
552 break;
553 msleep(50); /* give drive a breather */
554 }
555
556 rc = ata_sff_wait_ready(link, deadline);
557 if (rc) {
558 if (rc != -ENODEV)
559 return rc;
560 ret = rc;
561 }
541 } 562 }
542 563
543 /* is all this really necessary? */ 564 /* is all this really necessary? */
544 ap->ops->dev_select(ap, 0); 565 ap->ops->sff_dev_select(ap, 0);
545 if (dev1) 566 if (dev1)
546 ap->ops->dev_select(ap, 1); 567 ap->ops->sff_dev_select(ap, 1);
547 if (dev0) 568 if (dev0)
548 ap->ops->dev_select(ap, 0); 569 ap->ops->sff_dev_select(ap, 0);
549 570
550 return 0; 571 return ret;
551} 572}
552 573
553/** 574/**
@@ -570,32 +591,22 @@ static unsigned int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
570 udelay(20); 591 udelay(20);
571 out_be32(ioaddr->ctl_addr, ap->ctl); 592 out_be32(ioaddr->ctl_addr, ap->ctl);
572 593
573 /* wait a while before checking status */ 594 scc_wait_after_reset(&ap->link, devmask, deadline);
574 ata_wait_after_reset(ap, deadline);
575
576 /* Before we perform post reset processing we want to see if
577 * the bus shows 0xFF because the odd clown forgets the D7
578 * pulldown resistor.
579 */
580 if (scc_check_status(ap) == 0xFF)
581 return 0;
582
583 scc_bus_post_reset(ap, devmask, deadline);
584 595
585 return 0; 596 return 0;
586} 597}
587 598
588/** 599/**
589 * scc_std_softreset - reset host port via ATA SRST 600 * scc_softreset - reset host port via ATA SRST
590 * @ap: port to reset 601 * @ap: port to reset
591 * @classes: resulting classes of attached devices 602 * @classes: resulting classes of attached devices
592 * @deadline: deadline jiffies for the operation 603 * @deadline: deadline jiffies for the operation
593 * 604 *
594 * Note: Original code is ata_std_softreset(). 605 * Note: Original code is ata_sff_softreset().
595 */ 606 */
596 607
597static int scc_std_softreset(struct ata_link *link, unsigned int *classes, 608static int scc_softreset(struct ata_link *link, unsigned int *classes,
598 unsigned long deadline) 609 unsigned long deadline)
599{ 610{
600 struct ata_port *ap = link->ap; 611 struct ata_port *ap = link->ap;
601 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS; 612 unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
@@ -604,11 +615,6 @@ static int scc_std_softreset(struct ata_link *link, unsigned int *classes,
604 615
605 DPRINTK("ENTER\n"); 616 DPRINTK("ENTER\n");
606 617
607 if (ata_link_offline(link)) {
608 classes[0] = ATA_DEV_NONE;
609 goto out;
610 }
611
612 /* determine if device 0/1 are present */ 618 /* determine if device 0/1 are present */
613 if (scc_devchk(ap, 0)) 619 if (scc_devchk(ap, 0))
614 devmask |= (1 << 0); 620 devmask |= (1 << 0);
@@ -616,7 +622,7 @@ static int scc_std_softreset(struct ata_link *link, unsigned int *classes,
616 devmask |= (1 << 1); 622 devmask |= (1 << 1);
617 623
618 /* select device 0 again */ 624 /* select device 0 again */
619 ap->ops->dev_select(ap, 0); 625 ap->ops->sff_dev_select(ap, 0);
620 626
621 /* issue bus reset */ 627 /* issue bus reset */
622 DPRINTK("about to softreset, devmask=%x\n", devmask); 628 DPRINTK("about to softreset, devmask=%x\n", devmask);
@@ -628,13 +634,12 @@ static int scc_std_softreset(struct ata_link *link, unsigned int *classes,
628 } 634 }
629 635
630 /* determine by signature whether we have ATA or ATAPI devices */ 636 /* determine by signature whether we have ATA or ATAPI devices */
631 classes[0] = ata_dev_try_classify(&ap->link.device[0], 637 classes[0] = ata_sff_dev_classify(&ap->link.device[0],
632 devmask & (1 << 0), &err); 638 devmask & (1 << 0), &err);
633 if (slave_possible && err != 0x81) 639 if (slave_possible && err != 0x81)
634 classes[1] = ata_dev_try_classify(&ap->link.device[1], 640 classes[1] = ata_sff_dev_classify(&ap->link.device[1],
635 devmask & (1 << 1), &err); 641 devmask & (1 << 1), &err);
636 642
637 out:
638 DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]); 643 DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]);
639 return 0; 644 return 0;
640} 645}
@@ -695,7 +700,7 @@ static void scc_bmdma_stop (struct ata_queued_cmd *qc)
695 printk(KERN_WARNING "%s: Internal Bus Error\n", DRV_NAME); 700 printk(KERN_WARNING "%s: Internal Bus Error\n", DRV_NAME);
696 out_be32(bmid_base + SCC_DMA_INTST, INTSTS_BMSINT); 701 out_be32(bmid_base + SCC_DMA_INTST, INTSTS_BMSINT);
697 /* TBD: SW reset */ 702 /* TBD: SW reset */
698 scc_std_softreset(&ap->link, &classes, deadline); 703 scc_softreset(&ap->link, &classes, deadline);
699 continue; 704 continue;
700 } 705 }
701 706
@@ -721,7 +726,7 @@ static void scc_bmdma_stop (struct ata_queued_cmd *qc)
721 in_be32(bmid_base + SCC_DMA_CMD) & ~ATA_DMA_START); 726 in_be32(bmid_base + SCC_DMA_CMD) & ~ATA_DMA_START);
722 727
723 /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ 728 /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */
724 ata_altstatus(ap); /* dummy read */ 729 ata_sff_altstatus(ap); /* dummy read */
725} 730}
726 731
727/** 732/**
@@ -742,7 +747,7 @@ static u8 scc_bmdma_status (struct ata_port *ap)
742 return host_stat; 747 return host_stat;
743 748
744 /* errata A252,A308 workaround: Step4 */ 749 /* errata A252,A308 workaround: Step4 */
745 if ((ata_altstatus(ap) & ATA_ERR) && (int_status & INTSTS_INTRQ)) 750 if ((ata_sff_altstatus(ap) & ATA_ERR) && (int_status & INTSTS_INTRQ))
746 return (host_stat | ATA_DMA_INTR); 751 return (host_stat | ATA_DMA_INTR);
747 752
748 /* errata A308 workaround Step5 */ 753 /* errata A308 workaround Step5 */
@@ -773,7 +778,7 @@ static u8 scc_bmdma_status (struct ata_port *ap)
773 * @buflen: buffer length 778 * @buflen: buffer length
774 * @rw: read/write 779 * @rw: read/write
775 * 780 *
776 * Note: Original code is ata_data_xfer(). 781 * Note: Original code is ata_sff_data_xfer().
777 */ 782 */
778 783
779static unsigned int scc_data_xfer (struct ata_device *dev, unsigned char *buf, 784static unsigned int scc_data_xfer (struct ata_device *dev, unsigned char *buf,
@@ -782,28 +787,28 @@ static unsigned int scc_data_xfer (struct ata_device *dev, unsigned char *buf,
782 struct ata_port *ap = dev->link->ap; 787 struct ata_port *ap = dev->link->ap;
783 unsigned int words = buflen >> 1; 788 unsigned int words = buflen >> 1;
784 unsigned int i; 789 unsigned int i;
785 u16 *buf16 = (u16 *) buf; 790 __le16 *buf16 = (__le16 *) buf;
786 void __iomem *mmio = ap->ioaddr.data_addr; 791 void __iomem *mmio = ap->ioaddr.data_addr;
787 792
788 /* Transfer multiple of 2 bytes */ 793 /* Transfer multiple of 2 bytes */
789 if (rw == READ) 794 if (rw == READ)
790 for (i = 0; i < words; i++) 795 for (i = 0; i < words; i++)
791 buf16[i] = le16_to_cpu(in_be32(mmio)); 796 buf16[i] = cpu_to_le16(in_be32(mmio));
792 else 797 else
793 for (i = 0; i < words; i++) 798 for (i = 0; i < words; i++)
794 out_be32(mmio, cpu_to_le16(buf16[i])); 799 out_be32(mmio, le16_to_cpu(buf16[i]));
795 800
796 /* Transfer trailing 1 byte, if any. */ 801 /* Transfer trailing 1 byte, if any. */
797 if (unlikely(buflen & 0x01)) { 802 if (unlikely(buflen & 0x01)) {
798 u16 align_buf[1] = { 0 }; 803 __le16 align_buf[1] = { 0 };
799 unsigned char *trailing_buf = buf + buflen - 1; 804 unsigned char *trailing_buf = buf + buflen - 1;
800 805
801 if (rw == READ) { 806 if (rw == READ) {
802 align_buf[0] = le16_to_cpu(in_be32(mmio)); 807 align_buf[0] = cpu_to_le16(in_be32(mmio));
803 memcpy(trailing_buf, align_buf, 1); 808 memcpy(trailing_buf, align_buf, 1);
804 } else { 809 } else {
805 memcpy(align_buf, trailing_buf, 1); 810 memcpy(align_buf, trailing_buf, 1);
806 out_be32(mmio, cpu_to_le16(align_buf[0])); 811 out_be32(mmio, le16_to_cpu(align_buf[0]));
807 } 812 }
808 words++; 813 words++;
809 } 814 }
@@ -815,7 +820,7 @@ static unsigned int scc_data_xfer (struct ata_device *dev, unsigned char *buf,
815 * scc_irq_on - Enable interrupts on a port. 820 * scc_irq_on - Enable interrupts on a port.
816 * @ap: Port on which interrupts are enabled. 821 * @ap: Port on which interrupts are enabled.
817 * 822 *
818 * Note: Original code is ata_irq_on(). 823 * Note: Original code is ata_sff_irq_on().
819 */ 824 */
820 825
821static u8 scc_irq_on (struct ata_port *ap) 826static u8 scc_irq_on (struct ata_port *ap)
@@ -829,19 +834,19 @@ static u8 scc_irq_on (struct ata_port *ap)
829 out_be32(ioaddr->ctl_addr, ap->ctl); 834 out_be32(ioaddr->ctl_addr, ap->ctl);
830 tmp = ata_wait_idle(ap); 835 tmp = ata_wait_idle(ap);
831 836
832 ap->ops->irq_clear(ap); 837 ap->ops->sff_irq_clear(ap);
833 838
834 return tmp; 839 return tmp;
835} 840}
836 841
837/** 842/**
838 * scc_bmdma_freeze - Freeze BMDMA controller port 843 * scc_freeze - Freeze BMDMA controller port
839 * @ap: port to freeze 844 * @ap: port to freeze
840 * 845 *
841 * Note: Original code is ata_bmdma_freeze(). 846 * Note: Original code is ata_sff_freeze().
842 */ 847 */
843 848
844static void scc_bmdma_freeze (struct ata_port *ap) 849static void scc_freeze (struct ata_port *ap)
845{ 850{
846 struct ata_ioports *ioaddr = &ap->ioaddr; 851 struct ata_ioports *ioaddr = &ap->ioaddr;
847 852
@@ -854,9 +859,9 @@ static void scc_bmdma_freeze (struct ata_port *ap)
854 * ATA_NIEN manipulation. Also, many controllers fail to mask 859 * ATA_NIEN manipulation. Also, many controllers fail to mask
855 * previously pending IRQ on ATA_NIEN assertion. Clear it. 860 * previously pending IRQ on ATA_NIEN assertion. Clear it.
856 */ 861 */
857 ata_chk_status(ap); 862 ap->ops->sff_check_status(ap);
858 863
859 ap->ops->irq_clear(ap); 864 ap->ops->sff_irq_clear(ap);
860} 865}
861 866
862/** 867/**
@@ -868,18 +873,18 @@ static void scc_bmdma_freeze (struct ata_port *ap)
868static int scc_pata_prereset(struct ata_link *link, unsigned long deadline) 873static int scc_pata_prereset(struct ata_link *link, unsigned long deadline)
869{ 874{
870 link->ap->cbl = ATA_CBL_PATA80; 875 link->ap->cbl = ATA_CBL_PATA80;
871 return ata_std_prereset(link, deadline); 876 return ata_sff_prereset(link, deadline);
872} 877}
873 878
874/** 879/**
875 * scc_std_postreset - standard postreset callback 880 * scc_postreset - standard postreset callback
876 * @ap: the target ata_port 881 * @ap: the target ata_port
877 * @classes: classes of attached devices 882 * @classes: classes of attached devices
878 * 883 *
879 * Note: Original code is ata_std_postreset(). 884 * Note: Original code is ata_sff_postreset().
880 */ 885 */
881 886
882static void scc_std_postreset(struct ata_link *link, unsigned int *classes) 887static void scc_postreset(struct ata_link *link, unsigned int *classes)
883{ 888{
884 struct ata_port *ap = link->ap; 889 struct ata_port *ap = link->ap;
885 890
@@ -887,9 +892,9 @@ static void scc_std_postreset(struct ata_link *link, unsigned int *classes)
887 892
888 /* is double-select really necessary? */ 893 /* is double-select really necessary? */
889 if (classes[0] != ATA_DEV_NONE) 894 if (classes[0] != ATA_DEV_NONE)
890 ap->ops->dev_select(ap, 1); 895 ap->ops->sff_dev_select(ap, 1);
891 if (classes[1] != ATA_DEV_NONE) 896 if (classes[1] != ATA_DEV_NONE)
892 ap->ops->dev_select(ap, 0); 897 ap->ops->sff_dev_select(ap, 0);
893 898
894 /* bail out if no device is present */ 899 /* bail out if no device is present */
895 if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) { 900 if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) {
@@ -905,24 +910,13 @@ static void scc_std_postreset(struct ata_link *link, unsigned int *classes)
905} 910}
906 911
907/** 912/**
908 * scc_error_handler - Stock error handler for BMDMA controller 913 * scc_irq_clear - Clear PCI IDE BMDMA interrupt.
909 * @ap: port to handle error for
910 */
911
912static void scc_error_handler (struct ata_port *ap)
913{
914 ata_bmdma_drive_eh(ap, scc_pata_prereset, scc_std_softreset, NULL,
915 scc_std_postreset);
916}
917
918/**
919 * scc_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt.
920 * @ap: Port associated with this ATA transaction. 914 * @ap: Port associated with this ATA transaction.
921 * 915 *
922 * Note: Original code is ata_bmdma_irq_clear(). 916 * Note: Original code is ata_sff_irq_clear().
923 */ 917 */
924 918
925static void scc_bmdma_irq_clear (struct ata_port *ap) 919static void scc_irq_clear (struct ata_port *ap)
926{ 920{
927 void __iomem *mmio = ap->ioaddr.bmdma_addr; 921 void __iomem *mmio = ap->ioaddr.bmdma_addr;
928 922
@@ -968,52 +962,37 @@ static void scc_port_stop (struct ata_port *ap)
968} 962}
969 963
970static struct scsi_host_template scc_sht = { 964static struct scsi_host_template scc_sht = {
971 .module = THIS_MODULE, 965 ATA_BMDMA_SHT(DRV_NAME),
972 .name = DRV_NAME,
973 .ioctl = ata_scsi_ioctl,
974 .queuecommand = ata_scsi_queuecmd,
975 .can_queue = ATA_DEF_QUEUE,
976 .this_id = ATA_SHT_THIS_ID,
977 .sg_tablesize = LIBATA_MAX_PRD,
978 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
979 .emulated = ATA_SHT_EMULATED,
980 .use_clustering = ATA_SHT_USE_CLUSTERING,
981 .proc_name = DRV_NAME,
982 .dma_boundary = ATA_DMA_BOUNDARY,
983 .slave_configure = ata_scsi_slave_config,
984 .slave_destroy = ata_scsi_slave_destroy,
985 .bios_param = ata_std_bios_param,
986}; 966};
987 967
988static const struct ata_port_operations scc_pata_ops = { 968static struct ata_port_operations scc_pata_ops = {
969 .inherits = &ata_bmdma_port_ops,
970
989 .set_piomode = scc_set_piomode, 971 .set_piomode = scc_set_piomode,
990 .set_dmamode = scc_set_dmamode, 972 .set_dmamode = scc_set_dmamode,
991 .mode_filter = scc_mode_filter, 973 .mode_filter = scc_mode_filter,
992 974
993 .tf_load = scc_tf_load, 975 .sff_tf_load = scc_tf_load,
994 .tf_read = scc_tf_read, 976 .sff_tf_read = scc_tf_read,
995 .exec_command = scc_exec_command, 977 .sff_exec_command = scc_exec_command,
996 .check_status = scc_check_status, 978 .sff_check_status = scc_check_status,
997 .check_altstatus = scc_check_altstatus, 979 .sff_check_altstatus = scc_check_altstatus,
998 .dev_select = scc_std_dev_select, 980 .sff_dev_select = scc_dev_select,
999 981
1000 .bmdma_setup = scc_bmdma_setup, 982 .bmdma_setup = scc_bmdma_setup,
1001 .bmdma_start = scc_bmdma_start, 983 .bmdma_start = scc_bmdma_start,
1002 .bmdma_stop = scc_bmdma_stop, 984 .bmdma_stop = scc_bmdma_stop,
1003 .bmdma_status = scc_bmdma_status, 985 .bmdma_status = scc_bmdma_status,
1004 .data_xfer = scc_data_xfer, 986 .sff_data_xfer = scc_data_xfer,
1005
1006 .qc_prep = ata_qc_prep,
1007 .qc_issue = ata_qc_issue_prot,
1008
1009 .freeze = scc_bmdma_freeze,
1010 .thaw = ata_bmdma_thaw,
1011 987
1012 .error_handler = scc_error_handler, 988 .freeze = scc_freeze,
989 .prereset = scc_pata_prereset,
990 .softreset = scc_softreset,
991 .postreset = scc_postreset,
1013 .post_internal_cmd = scc_bmdma_stop, 992 .post_internal_cmd = scc_bmdma_stop,
1014 993
1015 .irq_clear = scc_bmdma_irq_clear, 994 .sff_irq_clear = scc_irq_clear,
1016 .irq_on = scc_irq_on, 995 .sff_irq_on = scc_irq_on,
1017 996
1018 .port_start = scc_port_start, 997 .port_start = scc_port_start,
1019 .port_stop = scc_port_stop, 998 .port_stop = scc_port_stop,
@@ -1166,8 +1145,8 @@ static int scc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
1166 if (rc) 1145 if (rc)
1167 return rc; 1146 return rc;
1168 1147
1169 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 1148 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
1170 &scc_sht); 1149 IRQF_SHARED, &scc_sht);
1171} 1150}
1172 1151
1173static struct pci_driver scc_pci_driver = { 1152static struct pci_driver scc_pci_driver = {
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index a589c0fa0dbb..ffd26d0dc50d 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -199,7 +199,7 @@ static unsigned long serverworks_osb4_filter(struct ata_device *adev, unsigned l
199{ 199{
200 if (adev->class == ATA_DEV_ATA) 200 if (adev->class == ATA_DEV_ATA)
201 mask &= ~ATA_MASK_UDMA; 201 mask &= ~ATA_MASK_UDMA;
202 return ata_pci_default_filter(adev, mask); 202 return ata_bmdma_mode_filter(adev, mask);
203} 203}
204 204
205 205
@@ -219,7 +219,7 @@ static unsigned long serverworks_csb_filter(struct ata_device *adev, unsigned lo
219 219
220 /* Disk, UDMA */ 220 /* Disk, UDMA */
221 if (adev->class != ATA_DEV_ATA) 221 if (adev->class != ATA_DEV_ATA)
222 return ata_pci_default_filter(adev, mask); 222 return ata_bmdma_mode_filter(adev, mask);
223 223
224 /* Actually do need to check */ 224 /* Actually do need to check */
225 ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); 225 ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));
@@ -228,7 +228,7 @@ static unsigned long serverworks_csb_filter(struct ata_device *adev, unsigned lo
228 if (!strcmp(p, model_num)) 228 if (!strcmp(p, model_num))
229 mask &= ~(0xE0 << ATA_SHIFT_UDMA); 229 mask &= ~(0xE0 << ATA_SHIFT_UDMA);
230 } 230 }
231 return ata_pci_default_filter(adev, mask); 231 return ata_bmdma_mode_filter(adev, mask);
232} 232}
233 233
234/** 234/**
@@ -298,89 +298,20 @@ static void serverworks_set_dmamode(struct ata_port *ap, struct ata_device *adev
298} 298}
299 299
300static struct scsi_host_template serverworks_sht = { 300static struct scsi_host_template serverworks_sht = {
301 .module = THIS_MODULE, 301 ATA_BMDMA_SHT(DRV_NAME),
302 .name = DRV_NAME,
303 .ioctl = ata_scsi_ioctl,
304 .queuecommand = ata_scsi_queuecmd,
305 .can_queue = ATA_DEF_QUEUE,
306 .this_id = ATA_SHT_THIS_ID,
307 .sg_tablesize = LIBATA_MAX_PRD,
308 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
309 .emulated = ATA_SHT_EMULATED,
310 .use_clustering = ATA_SHT_USE_CLUSTERING,
311 .proc_name = DRV_NAME,
312 .dma_boundary = ATA_DMA_BOUNDARY,
313 .slave_configure = ata_scsi_slave_config,
314 .slave_destroy = ata_scsi_slave_destroy,
315 .bios_param = ata_std_bios_param,
316}; 302};
317 303
318static struct ata_port_operations serverworks_osb4_port_ops = { 304static struct ata_port_operations serverworks_osb4_port_ops = {
305 .inherits = &ata_bmdma_port_ops,
306 .cable_detect = serverworks_cable_detect,
307 .mode_filter = serverworks_osb4_filter,
319 .set_piomode = serverworks_set_piomode, 308 .set_piomode = serverworks_set_piomode,
320 .set_dmamode = serverworks_set_dmamode, 309 .set_dmamode = serverworks_set_dmamode,
321 .mode_filter = serverworks_osb4_filter,
322
323 .tf_load = ata_tf_load,
324 .tf_read = ata_tf_read,
325 .check_status = ata_check_status,
326 .exec_command = ata_exec_command,
327 .dev_select = ata_std_dev_select,
328
329 .freeze = ata_bmdma_freeze,
330 .thaw = ata_bmdma_thaw,
331 .error_handler = ata_bmdma_error_handler,
332 .post_internal_cmd = ata_bmdma_post_internal_cmd,
333 .cable_detect = serverworks_cable_detect,
334
335 .bmdma_setup = ata_bmdma_setup,
336 .bmdma_start = ata_bmdma_start,
337 .bmdma_stop = ata_bmdma_stop,
338 .bmdma_status = ata_bmdma_status,
339
340 .qc_prep = ata_qc_prep,
341 .qc_issue = ata_qc_issue_prot,
342
343 .data_xfer = ata_data_xfer,
344
345 .irq_handler = ata_interrupt,
346 .irq_clear = ata_bmdma_irq_clear,
347 .irq_on = ata_irq_on,
348
349 .port_start = ata_sff_port_start,
350}; 310};
351 311
352static struct ata_port_operations serverworks_csb_port_ops = { 312static struct ata_port_operations serverworks_csb_port_ops = {
353 .set_piomode = serverworks_set_piomode, 313 .inherits = &serverworks_osb4_port_ops,
354 .set_dmamode = serverworks_set_dmamode,
355 .mode_filter = serverworks_csb_filter, 314 .mode_filter = serverworks_csb_filter,
356
357 .tf_load = ata_tf_load,
358 .tf_read = ata_tf_read,
359 .check_status = ata_check_status,
360 .exec_command = ata_exec_command,
361 .dev_select = ata_std_dev_select,
362
363 .freeze = ata_bmdma_freeze,
364 .thaw = ata_bmdma_thaw,
365 .error_handler = ata_bmdma_error_handler,
366 .post_internal_cmd = ata_bmdma_post_internal_cmd,
367 .cable_detect = serverworks_cable_detect,
368
369 .bmdma_setup = ata_bmdma_setup,
370 .bmdma_start = ata_bmdma_start,
371 .bmdma_stop = ata_bmdma_stop,
372 .bmdma_status = ata_bmdma_status,
373
374 .qc_prep = ata_qc_prep,
375 .qc_issue = ata_qc_issue_prot,
376
377 .data_xfer = ata_data_xfer,
378
379 .irq_handler = ata_interrupt,
380 .irq_clear = ata_bmdma_irq_clear,
381 .irq_on = ata_irq_on,
382
383 .port_start = ata_sff_port_start,
384}; 315};
385 316
386static int serverworks_fixup_osb4(struct pci_dev *pdev) 317static int serverworks_fixup_osb4(struct pci_dev *pdev)
@@ -468,28 +399,24 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
468{ 399{
469 static const struct ata_port_info info[4] = { 400 static const struct ata_port_info info[4] = {
470 { /* OSB4 */ 401 { /* OSB4 */
471 .sht = &serverworks_sht,
472 .flags = ATA_FLAG_SLAVE_POSS, 402 .flags = ATA_FLAG_SLAVE_POSS,
473 .pio_mask = 0x1f, 403 .pio_mask = 0x1f,
474 .mwdma_mask = 0x07, 404 .mwdma_mask = 0x07,
475 .udma_mask = 0x07, 405 .udma_mask = 0x07,
476 .port_ops = &serverworks_osb4_port_ops 406 .port_ops = &serverworks_osb4_port_ops
477 }, { /* OSB4 no UDMA */ 407 }, { /* OSB4 no UDMA */
478 .sht = &serverworks_sht,
479 .flags = ATA_FLAG_SLAVE_POSS, 408 .flags = ATA_FLAG_SLAVE_POSS,
480 .pio_mask = 0x1f, 409 .pio_mask = 0x1f,
481 .mwdma_mask = 0x07, 410 .mwdma_mask = 0x07,
482 .udma_mask = 0x00, 411 .udma_mask = 0x00,
483 .port_ops = &serverworks_osb4_port_ops 412 .port_ops = &serverworks_osb4_port_ops
484 }, { /* CSB5 */ 413 }, { /* CSB5 */
485 .sht = &serverworks_sht,
486 .flags = ATA_FLAG_SLAVE_POSS, 414 .flags = ATA_FLAG_SLAVE_POSS,
487 .pio_mask = 0x1f, 415 .pio_mask = 0x1f,
488 .mwdma_mask = 0x07, 416 .mwdma_mask = 0x07,
489 .udma_mask = ATA_UDMA4, 417 .udma_mask = ATA_UDMA4,
490 .port_ops = &serverworks_csb_port_ops 418 .port_ops = &serverworks_csb_port_ops
491 }, { /* CSB5 - later revisions*/ 419 }, { /* CSB5 - later revisions*/
492 .sht = &serverworks_sht,
493 .flags = ATA_FLAG_SLAVE_POSS, 420 .flags = ATA_FLAG_SLAVE_POSS,
494 .pio_mask = 0x1f, 421 .pio_mask = 0x1f,
495 .mwdma_mask = 0x07, 422 .mwdma_mask = 0x07,
@@ -498,6 +425,11 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
498 } 425 }
499 }; 426 };
500 const struct ata_port_info *ppi[] = { &info[id->driver_data], NULL }; 427 const struct ata_port_info *ppi[] = { &info[id->driver_data], NULL };
428 int rc;
429
430 rc = pcim_enable_device(pdev);
431 if (rc)
432 return rc;
501 433
502 /* Force master latency timer to 64 PCI clocks */ 434 /* Force master latency timer to 64 PCI clocks */
503 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); 435 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40);
@@ -527,24 +459,30 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
527 serverworks_fixup_ht1000(pdev); 459 serverworks_fixup_ht1000(pdev);
528 460
529 if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) 461 if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE)
530 ata_pci_clear_simplex(pdev); 462 ata_pci_bmdma_clear_simplex(pdev);
531 463
532 return ata_pci_init_one(pdev, ppi); 464 return ata_pci_sff_init_one(pdev, ppi, &serverworks_sht, NULL);
533} 465}
534 466
535#ifdef CONFIG_PM 467#ifdef CONFIG_PM
536static int serverworks_reinit_one(struct pci_dev *pdev) 468static int serverworks_reinit_one(struct pci_dev *pdev)
537{ 469{
470 struct ata_host *host = dev_get_drvdata(&pdev->dev);
471 int rc;
472
473 rc = ata_pci_device_do_resume(pdev);
474 if (rc)
475 return rc;
476
538 /* Force master latency timer to 64 PCI clocks */ 477 /* Force master latency timer to 64 PCI clocks */
539 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); 478 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40);
540 479
541 switch (pdev->device) 480 switch (pdev->device) {
542 {
543 case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE: 481 case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE:
544 serverworks_fixup_osb4(pdev); 482 serverworks_fixup_osb4(pdev);
545 break; 483 break;
546 case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: 484 case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE:
547 ata_pci_clear_simplex(pdev); 485 ata_pci_bmdma_clear_simplex(pdev);
548 /* fall through */ 486 /* fall through */
549 case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: 487 case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE:
550 case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: 488 case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2:
@@ -554,7 +492,9 @@ static int serverworks_reinit_one(struct pci_dev *pdev)
554 serverworks_fixup_ht1000(pdev); 492 serverworks_fixup_ht1000(pdev);
555 break; 493 break;
556 } 494 }
557 return ata_pci_device_resume(pdev); 495
496 ata_host_resume(host);
497 return 0;
558} 498}
559#endif 499#endif
560 500
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index 7c5b2dd9a1a1..720b8645f58a 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -192,54 +192,14 @@ static void sil680_set_dmamode(struct ata_port *ap, struct ata_device *adev)
192} 192}
193 193
194static struct scsi_host_template sil680_sht = { 194static struct scsi_host_template sil680_sht = {
195 .module = THIS_MODULE, 195 ATA_BMDMA_SHT(DRV_NAME),
196 .name = DRV_NAME,
197 .ioctl = ata_scsi_ioctl,
198 .queuecommand = ata_scsi_queuecmd,
199 .can_queue = ATA_DEF_QUEUE,
200 .this_id = ATA_SHT_THIS_ID,
201 .sg_tablesize = LIBATA_MAX_PRD,
202 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
203 .emulated = ATA_SHT_EMULATED,
204 .use_clustering = ATA_SHT_USE_CLUSTERING,
205 .proc_name = DRV_NAME,
206 .dma_boundary = ATA_DMA_BOUNDARY,
207 .slave_configure = ata_scsi_slave_config,
208 .slave_destroy = ata_scsi_slave_destroy,
209 .bios_param = ata_std_bios_param,
210}; 196};
211 197
212static struct ata_port_operations sil680_port_ops = { 198static struct ata_port_operations sil680_port_ops = {
199 .inherits = &ata_bmdma_port_ops,
200 .cable_detect = sil680_cable_detect,
213 .set_piomode = sil680_set_piomode, 201 .set_piomode = sil680_set_piomode,
214 .set_dmamode = sil680_set_dmamode, 202 .set_dmamode = sil680_set_dmamode,
215 .mode_filter = ata_pci_default_filter,
216 .tf_load = ata_tf_load,
217 .tf_read = ata_tf_read,
218 .check_status = ata_check_status,
219 .exec_command = ata_exec_command,
220 .dev_select = ata_std_dev_select,
221
222 .freeze = ata_bmdma_freeze,
223 .thaw = ata_bmdma_thaw,
224 .error_handler = ata_bmdma_error_handler,
225 .post_internal_cmd = ata_bmdma_post_internal_cmd,
226 .cable_detect = sil680_cable_detect,
227
228 .bmdma_setup = ata_bmdma_setup,
229 .bmdma_start = ata_bmdma_start,
230 .bmdma_stop = ata_bmdma_stop,
231 .bmdma_status = ata_bmdma_status,
232
233 .qc_prep = ata_qc_prep,
234 .qc_issue = ata_qc_issue_prot,
235
236 .data_xfer = ata_data_xfer,
237
238 .irq_handler = ata_interrupt,
239 .irq_clear = ata_bmdma_irq_clear,
240 .irq_on = ata_irq_on,
241
242 .port_start = ata_sff_port_start,
243}; 203};
244 204
245/** 205/**
@@ -322,7 +282,6 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
322 const struct pci_device_id *id) 282 const struct pci_device_id *id)
323{ 283{
324 static const struct ata_port_info info = { 284 static const struct ata_port_info info = {
325 .sht = &sil680_sht,
326 .flags = ATA_FLAG_SLAVE_POSS, 285 .flags = ATA_FLAG_SLAVE_POSS,
327 .pio_mask = 0x1f, 286 .pio_mask = 0x1f,
328 .mwdma_mask = 0x07, 287 .mwdma_mask = 0x07,
@@ -330,7 +289,6 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
330 .port_ops = &sil680_port_ops 289 .port_ops = &sil680_port_ops
331 }; 290 };
332 static const struct ata_port_info info_slow = { 291 static const struct ata_port_info info_slow = {
333 .sht = &sil680_sht,
334 .flags = ATA_FLAG_SLAVE_POSS, 292 .flags = ATA_FLAG_SLAVE_POSS,
335 .pio_mask = 0x1f, 293 .pio_mask = 0x1f,
336 .mwdma_mask = 0x07, 294 .mwdma_mask = 0x07,
@@ -346,6 +304,10 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
346 if (!printed_version++) 304 if (!printed_version++)
347 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); 305 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
348 306
307 rc = pcim_enable_device(pdev);
308 if (rc)
309 return rc;
310
349 switch (sil680_init_chip(pdev, &try_mmio)) { 311 switch (sil680_init_chip(pdev, &try_mmio)) {
350 case 0: 312 case 0:
351 ppi[0] = &info_slow; 313 ppi[0] = &info_slow;
@@ -388,28 +350,33 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
388 host->ports[0]->ioaddr.cmd_addr = mmio_base + 0x80; 350 host->ports[0]->ioaddr.cmd_addr = mmio_base + 0x80;
389 host->ports[0]->ioaddr.ctl_addr = mmio_base + 0x8a; 351 host->ports[0]->ioaddr.ctl_addr = mmio_base + 0x8a;
390 host->ports[0]->ioaddr.altstatus_addr = mmio_base + 0x8a; 352 host->ports[0]->ioaddr.altstatus_addr = mmio_base + 0x8a;
391 ata_std_ports(&host->ports[0]->ioaddr); 353 ata_sff_std_ports(&host->ports[0]->ioaddr);
392 host->ports[1]->ioaddr.bmdma_addr = mmio_base + 0x08; 354 host->ports[1]->ioaddr.bmdma_addr = mmio_base + 0x08;
393 host->ports[1]->ioaddr.cmd_addr = mmio_base + 0xc0; 355 host->ports[1]->ioaddr.cmd_addr = mmio_base + 0xc0;
394 host->ports[1]->ioaddr.ctl_addr = mmio_base + 0xca; 356 host->ports[1]->ioaddr.ctl_addr = mmio_base + 0xca;
395 host->ports[1]->ioaddr.altstatus_addr = mmio_base + 0xca; 357 host->ports[1]->ioaddr.altstatus_addr = mmio_base + 0xca;
396 ata_std_ports(&host->ports[1]->ioaddr); 358 ata_sff_std_ports(&host->ports[1]->ioaddr);
397 359
398 /* Register & activate */ 360 /* Register & activate */
399 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 361 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
400 &sil680_sht); 362 IRQF_SHARED, &sil680_sht);
401 363
402use_ioports: 364use_ioports:
403 return ata_pci_init_one(pdev, ppi); 365 return ata_pci_sff_init_one(pdev, ppi, &sil680_sht, NULL);
404} 366}
405 367
406#ifdef CONFIG_PM 368#ifdef CONFIG_PM
407static int sil680_reinit_one(struct pci_dev *pdev) 369static int sil680_reinit_one(struct pci_dev *pdev)
408{ 370{
409 int try_mmio; 371 struct ata_host *host = dev_get_drvdata(&pdev->dev);
372 int try_mmio, rc;
410 373
374 rc = ata_pci_device_do_resume(pdev);
375 if (rc)
376 return rc;
411 sil680_init_chip(pdev, &try_mmio); 377 sil680_init_chip(pdev, &try_mmio);
412 return ata_pci_device_resume(pdev); 378 ata_host_resume(host);
379 return 0;
413} 380}
414#endif 381#endif
415 382
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index dc7e91562e43..e82c66e8d31b 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -156,24 +156,11 @@ static int sis_pre_reset(struct ata_link *link, unsigned long deadline)
156 /* Clear the FIFO settings. We can't enable the FIFO until 156 /* Clear the FIFO settings. We can't enable the FIFO until
157 we know we are poking at a disk */ 157 we know we are poking at a disk */
158 pci_write_config_byte(pdev, 0x4B, 0); 158 pci_write_config_byte(pdev, 0x4B, 0);
159 return ata_std_prereset(link, deadline); 159 return ata_sff_prereset(link, deadline);
160} 160}
161 161
162 162
163/** 163/**
164 * sis_error_handler - Probe specified port on PATA host controller
165 * @ap: Port to probe
166 *
167 * LOCKING:
168 * None (inherited from caller).
169 */
170
171static void sis_error_handler(struct ata_port *ap)
172{
173 ata_bmdma_drive_eh(ap, sis_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
174}
175
176/**
177 * sis_set_fifo - Set RWP fifo bits for this device 164 * sis_set_fifo - Set RWP fifo bits for this device
178 * @ap: Port 165 * @ap: Port
179 * @adev: Device 166 * @adev: Device
@@ -514,217 +501,57 @@ static void sis_133_set_dmamode (struct ata_port *ap, struct ata_device *adev)
514} 501}
515 502
516static struct scsi_host_template sis_sht = { 503static struct scsi_host_template sis_sht = {
517 .module = THIS_MODULE, 504 ATA_BMDMA_SHT(DRV_NAME),
518 .name = DRV_NAME,
519 .ioctl = ata_scsi_ioctl,
520 .queuecommand = ata_scsi_queuecmd,
521 .can_queue = ATA_DEF_QUEUE,
522 .this_id = ATA_SHT_THIS_ID,
523 .sg_tablesize = LIBATA_MAX_PRD,
524 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
525 .emulated = ATA_SHT_EMULATED,
526 .use_clustering = ATA_SHT_USE_CLUSTERING,
527 .proc_name = DRV_NAME,
528 .dma_boundary = ATA_DMA_BOUNDARY,
529 .slave_configure = ata_scsi_slave_config,
530 .slave_destroy = ata_scsi_slave_destroy,
531 .bios_param = ata_std_bios_param,
532}; 505};
533 506
534static const struct ata_port_operations sis_133_ops = { 507static struct ata_port_operations sis_133_for_sata_ops = {
508 .inherits = &ata_bmdma_port_ops,
535 .set_piomode = sis_133_set_piomode, 509 .set_piomode = sis_133_set_piomode,
536 .set_dmamode = sis_133_set_dmamode, 510 .set_dmamode = sis_133_set_dmamode,
537 .mode_filter = ata_pci_default_filter,
538
539 .tf_load = ata_tf_load,
540 .tf_read = ata_tf_read,
541 .check_status = ata_check_status,
542 .exec_command = ata_exec_command,
543 .dev_select = ata_std_dev_select,
544
545 .freeze = ata_bmdma_freeze,
546 .thaw = ata_bmdma_thaw,
547 .error_handler = sis_error_handler,
548 .post_internal_cmd = ata_bmdma_post_internal_cmd,
549 .cable_detect = sis_133_cable_detect, 511 .cable_detect = sis_133_cable_detect,
512};
550 513
551 .bmdma_setup = ata_bmdma_setup, 514static struct ata_port_operations sis_base_ops = {
552 .bmdma_start = ata_bmdma_start, 515 .inherits = &ata_bmdma_port_ops,
553 .bmdma_stop = ata_bmdma_stop, 516 .prereset = sis_pre_reset,
554 .bmdma_status = ata_bmdma_status,
555 .qc_prep = ata_qc_prep,
556 .qc_issue = ata_qc_issue_prot,
557 .data_xfer = ata_data_xfer,
558
559 .irq_handler = ata_interrupt,
560 .irq_clear = ata_bmdma_irq_clear,
561 .irq_on = ata_irq_on,
562
563 .port_start = ata_sff_port_start,
564}; 517};
565 518
566static const struct ata_port_operations sis_133_for_sata_ops = { 519static struct ata_port_operations sis_133_ops = {
520 .inherits = &sis_base_ops,
567 .set_piomode = sis_133_set_piomode, 521 .set_piomode = sis_133_set_piomode,
568 .set_dmamode = sis_133_set_dmamode, 522 .set_dmamode = sis_133_set_dmamode,
569 .mode_filter = ata_pci_default_filter,
570
571 .tf_load = ata_tf_load,
572 .tf_read = ata_tf_read,
573 .check_status = ata_check_status,
574 .exec_command = ata_exec_command,
575 .dev_select = ata_std_dev_select,
576
577 .freeze = ata_bmdma_freeze,
578 .thaw = ata_bmdma_thaw,
579 .error_handler = ata_bmdma_error_handler,
580 .post_internal_cmd = ata_bmdma_post_internal_cmd,
581 .cable_detect = sis_133_cable_detect, 523 .cable_detect = sis_133_cable_detect,
582
583 .bmdma_setup = ata_bmdma_setup,
584 .bmdma_start = ata_bmdma_start,
585 .bmdma_stop = ata_bmdma_stop,
586 .bmdma_status = ata_bmdma_status,
587 .qc_prep = ata_qc_prep,
588 .qc_issue = ata_qc_issue_prot,
589 .data_xfer = ata_data_xfer,
590
591 .irq_handler = ata_interrupt,
592 .irq_clear = ata_bmdma_irq_clear,
593 .irq_on = ata_irq_on,
594
595 .port_start = ata_sff_port_start,
596}; 524};
597 525
598static const struct ata_port_operations sis_133_early_ops = { 526static struct ata_port_operations sis_133_early_ops = {
527 .inherits = &sis_base_ops,
599 .set_piomode = sis_100_set_piomode, 528 .set_piomode = sis_100_set_piomode,
600 .set_dmamode = sis_133_early_set_dmamode, 529 .set_dmamode = sis_133_early_set_dmamode,
601 .mode_filter = ata_pci_default_filter,
602
603 .tf_load = ata_tf_load,
604 .tf_read = ata_tf_read,
605 .check_status = ata_check_status,
606 .exec_command = ata_exec_command,
607 .dev_select = ata_std_dev_select,
608
609 .freeze = ata_bmdma_freeze,
610 .thaw = ata_bmdma_thaw,
611 .error_handler = sis_error_handler,
612 .post_internal_cmd = ata_bmdma_post_internal_cmd,
613 .cable_detect = sis_66_cable_detect, 530 .cable_detect = sis_66_cable_detect,
614
615 .bmdma_setup = ata_bmdma_setup,
616 .bmdma_start = ata_bmdma_start,
617 .bmdma_stop = ata_bmdma_stop,
618 .bmdma_status = ata_bmdma_status,
619 .qc_prep = ata_qc_prep,
620 .qc_issue = ata_qc_issue_prot,
621 .data_xfer = ata_data_xfer,
622
623 .irq_handler = ata_interrupt,
624 .irq_clear = ata_bmdma_irq_clear,
625 .irq_on = ata_irq_on,
626
627 .port_start = ata_sff_port_start,
628}; 531};
629 532
630static const struct ata_port_operations sis_100_ops = { 533static struct ata_port_operations sis_100_ops = {
534 .inherits = &sis_base_ops,
631 .set_piomode = sis_100_set_piomode, 535 .set_piomode = sis_100_set_piomode,
632 .set_dmamode = sis_100_set_dmamode, 536 .set_dmamode = sis_100_set_dmamode,
633 .mode_filter = ata_pci_default_filter,
634
635 .tf_load = ata_tf_load,
636 .tf_read = ata_tf_read,
637 .check_status = ata_check_status,
638 .exec_command = ata_exec_command,
639 .dev_select = ata_std_dev_select,
640
641 .freeze = ata_bmdma_freeze,
642 .thaw = ata_bmdma_thaw,
643 .error_handler = sis_error_handler,
644 .post_internal_cmd = ata_bmdma_post_internal_cmd,
645 .cable_detect = sis_66_cable_detect, 537 .cable_detect = sis_66_cable_detect,
646
647 .bmdma_setup = ata_bmdma_setup,
648 .bmdma_start = ata_bmdma_start,
649 .bmdma_stop = ata_bmdma_stop,
650 .bmdma_status = ata_bmdma_status,
651 .qc_prep = ata_qc_prep,
652 .qc_issue = ata_qc_issue_prot,
653 .data_xfer = ata_data_xfer,
654
655 .irq_handler = ata_interrupt,
656 .irq_clear = ata_bmdma_irq_clear,
657 .irq_on = ata_irq_on,
658
659 .port_start = ata_sff_port_start,
660}; 538};
661 539
662static const struct ata_port_operations sis_66_ops = { 540static struct ata_port_operations sis_66_ops = {
541 .inherits = &sis_base_ops,
663 .set_piomode = sis_old_set_piomode, 542 .set_piomode = sis_old_set_piomode,
664 .set_dmamode = sis_66_set_dmamode, 543 .set_dmamode = sis_66_set_dmamode,
665 .mode_filter = ata_pci_default_filter,
666
667 .tf_load = ata_tf_load,
668 .tf_read = ata_tf_read,
669 .check_status = ata_check_status,
670 .exec_command = ata_exec_command,
671 .dev_select = ata_std_dev_select,
672 .cable_detect = sis_66_cable_detect, 544 .cable_detect = sis_66_cable_detect,
673
674 .freeze = ata_bmdma_freeze,
675 .thaw = ata_bmdma_thaw,
676 .error_handler = sis_error_handler,
677 .post_internal_cmd = ata_bmdma_post_internal_cmd,
678
679 .bmdma_setup = ata_bmdma_setup,
680 .bmdma_start = ata_bmdma_start,
681 .bmdma_stop = ata_bmdma_stop,
682 .bmdma_status = ata_bmdma_status,
683 .qc_prep = ata_qc_prep,
684 .qc_issue = ata_qc_issue_prot,
685 .data_xfer = ata_data_xfer,
686
687 .irq_handler = ata_interrupt,
688 .irq_clear = ata_bmdma_irq_clear,
689 .irq_on = ata_irq_on,
690
691 .port_start = ata_sff_port_start,
692}; 545};
693 546
694static const struct ata_port_operations sis_old_ops = { 547static struct ata_port_operations sis_old_ops = {
548 .inherits = &sis_base_ops,
695 .set_piomode = sis_old_set_piomode, 549 .set_piomode = sis_old_set_piomode,
696 .set_dmamode = sis_old_set_dmamode, 550 .set_dmamode = sis_old_set_dmamode,
697 .mode_filter = ata_pci_default_filter,
698
699 .tf_load = ata_tf_load,
700 .tf_read = ata_tf_read,
701 .check_status = ata_check_status,
702 .exec_command = ata_exec_command,
703 .dev_select = ata_std_dev_select,
704
705 .freeze = ata_bmdma_freeze,
706 .thaw = ata_bmdma_thaw,
707 .error_handler = sis_error_handler,
708 .post_internal_cmd = ata_bmdma_post_internal_cmd,
709 .cable_detect = ata_cable_40wire, 551 .cable_detect = ata_cable_40wire,
710
711 .bmdma_setup = ata_bmdma_setup,
712 .bmdma_start = ata_bmdma_start,
713 .bmdma_stop = ata_bmdma_stop,
714 .bmdma_status = ata_bmdma_status,
715 .qc_prep = ata_qc_prep,
716 .qc_issue = ata_qc_issue_prot,
717 .data_xfer = ata_data_xfer,
718
719 .irq_handler = ata_interrupt,
720 .irq_clear = ata_bmdma_irq_clear,
721 .irq_on = ata_irq_on,
722
723 .port_start = ata_sff_port_start,
724}; 552};
725 553
726static const struct ata_port_info sis_info = { 554static const struct ata_port_info sis_info = {
727 .sht = &sis_sht,
728 .flags = ATA_FLAG_SLAVE_POSS, 555 .flags = ATA_FLAG_SLAVE_POSS,
729 .pio_mask = 0x1f, /* pio0-4 */ 556 .pio_mask = 0x1f, /* pio0-4 */
730 .mwdma_mask = 0x07, 557 .mwdma_mask = 0x07,
@@ -732,7 +559,6 @@ static const struct ata_port_info sis_info = {
732 .port_ops = &sis_old_ops, 559 .port_ops = &sis_old_ops,
733}; 560};
734static const struct ata_port_info sis_info33 = { 561static const struct ata_port_info sis_info33 = {
735 .sht = &sis_sht,
736 .flags = ATA_FLAG_SLAVE_POSS, 562 .flags = ATA_FLAG_SLAVE_POSS,
737 .pio_mask = 0x1f, /* pio0-4 */ 563 .pio_mask = 0x1f, /* pio0-4 */
738 .mwdma_mask = 0x07, 564 .mwdma_mask = 0x07,
@@ -740,42 +566,36 @@ static const struct ata_port_info sis_info33 = {
740 .port_ops = &sis_old_ops, 566 .port_ops = &sis_old_ops,
741}; 567};
742static const struct ata_port_info sis_info66 = { 568static const struct ata_port_info sis_info66 = {
743 .sht = &sis_sht,
744 .flags = ATA_FLAG_SLAVE_POSS, 569 .flags = ATA_FLAG_SLAVE_POSS,
745 .pio_mask = 0x1f, /* pio0-4 */ 570 .pio_mask = 0x1f, /* pio0-4 */
746 .udma_mask = ATA_UDMA4, /* UDMA 66 */ 571 .udma_mask = ATA_UDMA4, /* UDMA 66 */
747 .port_ops = &sis_66_ops, 572 .port_ops = &sis_66_ops,
748}; 573};
749static const struct ata_port_info sis_info100 = { 574static const struct ata_port_info sis_info100 = {
750 .sht = &sis_sht,
751 .flags = ATA_FLAG_SLAVE_POSS, 575 .flags = ATA_FLAG_SLAVE_POSS,
752 .pio_mask = 0x1f, /* pio0-4 */ 576 .pio_mask = 0x1f, /* pio0-4 */
753 .udma_mask = ATA_UDMA5, 577 .udma_mask = ATA_UDMA5,
754 .port_ops = &sis_100_ops, 578 .port_ops = &sis_100_ops,
755}; 579};
756static const struct ata_port_info sis_info100_early = { 580static const struct ata_port_info sis_info100_early = {
757 .sht = &sis_sht,
758 .flags = ATA_FLAG_SLAVE_POSS, 581 .flags = ATA_FLAG_SLAVE_POSS,
759 .udma_mask = ATA_UDMA5, 582 .udma_mask = ATA_UDMA5,
760 .pio_mask = 0x1f, /* pio0-4 */ 583 .pio_mask = 0x1f, /* pio0-4 */
761 .port_ops = &sis_66_ops, 584 .port_ops = &sis_66_ops,
762}; 585};
763static const struct ata_port_info sis_info133 = { 586static const struct ata_port_info sis_info133 = {
764 .sht = &sis_sht,
765 .flags = ATA_FLAG_SLAVE_POSS, 587 .flags = ATA_FLAG_SLAVE_POSS,
766 .pio_mask = 0x1f, /* pio0-4 */ 588 .pio_mask = 0x1f, /* pio0-4 */
767 .udma_mask = ATA_UDMA6, 589 .udma_mask = ATA_UDMA6,
768 .port_ops = &sis_133_ops, 590 .port_ops = &sis_133_ops,
769}; 591};
770const struct ata_port_info sis_info133_for_sata = { 592const struct ata_port_info sis_info133_for_sata = {
771 .sht = &sis_sht,
772 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, 593 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
773 .pio_mask = 0x1f, /* pio0-4 */ 594 .pio_mask = 0x1f, /* pio0-4 */
774 .udma_mask = ATA_UDMA6, 595 .udma_mask = ATA_UDMA6,
775 .port_ops = &sis_133_for_sata_ops, 596 .port_ops = &sis_133_for_sata_ops,
776}; 597};
777static const struct ata_port_info sis_info133_early = { 598static const struct ata_port_info sis_info133_early = {
778 .sht = &sis_sht,
779 .flags = ATA_FLAG_SLAVE_POSS, 599 .flags = ATA_FLAG_SLAVE_POSS,
780 .pio_mask = 0x1f, /* pio0-4 */ 600 .pio_mask = 0x1f, /* pio0-4 */
781 .udma_mask = ATA_UDMA6, 601 .udma_mask = ATA_UDMA6,
@@ -857,11 +677,11 @@ static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis)
857static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) 677static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
858{ 678{
859 static int printed_version; 679 static int printed_version;
860 struct ata_port_info port; 680 const struct ata_port_info *ppi[] = { NULL, NULL };
861 const struct ata_port_info *ppi[] = { &port, NULL };
862 struct pci_dev *host = NULL; 681 struct pci_dev *host = NULL;
863 struct sis_chipset *chipset = NULL; 682 struct sis_chipset *chipset = NULL;
864 struct sis_chipset *sets; 683 struct sis_chipset *sets;
684 int rc;
865 685
866 static struct sis_chipset sis_chipsets[] = { 686 static struct sis_chipset sis_chipsets[] = {
867 687
@@ -914,8 +734,11 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
914 dev_printk(KERN_DEBUG, &pdev->dev, 734 dev_printk(KERN_DEBUG, &pdev->dev,
915 "version " DRV_VERSION "\n"); 735 "version " DRV_VERSION "\n");
916 736
917 /* We have to find the bridge first */ 737 rc = pcim_enable_device(pdev);
738 if (rc)
739 return rc;
918 740
741 /* We have to find the bridge first */
919 for (sets = &sis_chipsets[0]; sets->device; sets++) { 742 for (sets = &sis_chipsets[0]; sets->device; sets++) {
920 host = pci_get_device(PCI_VENDOR_ID_SI, sets->device, NULL); 743 host = pci_get_device(PCI_VENDOR_ID_SI, sets->device, NULL);
921 if (host != NULL) { 744 if (host != NULL) {
@@ -994,12 +817,11 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
994 if (chipset == NULL) 817 if (chipset == NULL)
995 return -ENODEV; 818 return -ENODEV;
996 819
997 port = *chipset->info; 820 ppi[0] = chipset->info;
998 port.private_data = chipset;
999 821
1000 sis_fixup(pdev, chipset); 822 sis_fixup(pdev, chipset);
1001 823
1002 return ata_pci_init_one(pdev, ppi); 824 return ata_pci_sff_init_one(pdev, ppi, &sis_sht, chipset);
1003} 825}
1004 826
1005static const struct pci_device_id sis_pci_tbl[] = { 827static const struct pci_device_id sis_pci_tbl[] = {
diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c
index 81ef207f8265..70d94fb28a5f 100644
--- a/drivers/ata/pata_sl82c105.c
+++ b/drivers/ata/pata_sl82c105.c
@@ -60,13 +60,7 @@ static int sl82c105_pre_reset(struct ata_link *link, unsigned long deadline)
60 60
61 if (ap->port_no && !pci_test_config_bits(pdev, &sl82c105_enable_bits[ap->port_no])) 61 if (ap->port_no && !pci_test_config_bits(pdev, &sl82c105_enable_bits[ap->port_no]))
62 return -ENOENT; 62 return -ENOENT;
63 return ata_std_prereset(link, deadline); 63 return ata_sff_prereset(link, deadline);
64}
65
66
67static void sl82c105_error_handler(struct ata_port *ap)
68{
69 ata_bmdma_drive_eh(ap, sl82c105_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
70} 64}
71 65
72 66
@@ -235,55 +229,17 @@ static int sl82c105_qc_defer(struct ata_queued_cmd *qc)
235} 229}
236 230
237static struct scsi_host_template sl82c105_sht = { 231static struct scsi_host_template sl82c105_sht = {
238 .module = THIS_MODULE, 232 ATA_BMDMA_SHT(DRV_NAME),
239 .name = DRV_NAME,
240 .ioctl = ata_scsi_ioctl,
241 .queuecommand = ata_scsi_queuecmd,
242 .can_queue = ATA_DEF_QUEUE,
243 .this_id = ATA_SHT_THIS_ID,
244 .sg_tablesize = LIBATA_MAX_PRD,
245 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
246 .emulated = ATA_SHT_EMULATED,
247 .use_clustering = ATA_SHT_USE_CLUSTERING,
248 .proc_name = DRV_NAME,
249 .dma_boundary = ATA_DMA_BOUNDARY,
250 .slave_configure = ata_scsi_slave_config,
251 .slave_destroy = ata_scsi_slave_destroy,
252 .bios_param = ata_std_bios_param,
253}; 233};
254 234
255static struct ata_port_operations sl82c105_port_ops = { 235static struct ata_port_operations sl82c105_port_ops = {
256 .set_piomode = sl82c105_set_piomode, 236 .inherits = &ata_bmdma_port_ops,
257 .mode_filter = ata_pci_default_filter, 237 .qc_defer = sl82c105_qc_defer,
258
259 .tf_load = ata_tf_load,
260 .tf_read = ata_tf_read,
261 .check_status = ata_check_status,
262 .exec_command = ata_exec_command,
263 .dev_select = ata_std_dev_select,
264
265 .freeze = ata_bmdma_freeze,
266 .thaw = ata_bmdma_thaw,
267 .error_handler = sl82c105_error_handler,
268 .post_internal_cmd = ata_bmdma_post_internal_cmd,
269 .cable_detect = ata_cable_40wire,
270
271 .bmdma_setup = ata_bmdma_setup,
272 .bmdma_start = sl82c105_bmdma_start, 238 .bmdma_start = sl82c105_bmdma_start,
273 .bmdma_stop = sl82c105_bmdma_stop, 239 .bmdma_stop = sl82c105_bmdma_stop,
274 .bmdma_status = ata_bmdma_status, 240 .cable_detect = ata_cable_40wire,
275 241 .set_piomode = sl82c105_set_piomode,
276 .qc_defer = sl82c105_qc_defer, 242 .prereset = sl82c105_pre_reset,
277 .qc_prep = ata_qc_prep,
278 .qc_issue = ata_qc_issue_prot,
279
280 .data_xfer = ata_data_xfer,
281
282 .irq_handler = ata_interrupt,
283 .irq_clear = ata_bmdma_irq_clear,
284 .irq_on = ata_irq_on,
285
286 .port_start = ata_sff_port_start,
287}; 243};
288 244
289/** 245/**
@@ -327,14 +283,12 @@ static int sl82c105_bridge_revision(struct pci_dev *pdev)
327static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id) 283static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id)
328{ 284{
329 static const struct ata_port_info info_dma = { 285 static const struct ata_port_info info_dma = {
330 .sht = &sl82c105_sht,
331 .flags = ATA_FLAG_SLAVE_POSS, 286 .flags = ATA_FLAG_SLAVE_POSS,
332 .pio_mask = 0x1f, 287 .pio_mask = 0x1f,
333 .mwdma_mask = 0x07, 288 .mwdma_mask = 0x07,
334 .port_ops = &sl82c105_port_ops 289 .port_ops = &sl82c105_port_ops
335 }; 290 };
336 static const struct ata_port_info info_early = { 291 static const struct ata_port_info info_early = {
337 .sht = &sl82c105_sht,
338 .flags = ATA_FLAG_SLAVE_POSS, 292 .flags = ATA_FLAG_SLAVE_POSS,
339 .pio_mask = 0x1f, 293 .pio_mask = 0x1f,
340 .port_ops = &sl82c105_port_ops 294 .port_ops = &sl82c105_port_ops
@@ -344,6 +298,11 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
344 NULL }; 298 NULL };
345 u32 val; 299 u32 val;
346 int rev; 300 int rev;
301 int rc;
302
303 rc = pcim_enable_device(dev);
304 if (rc)
305 return rc;
347 306
348 rev = sl82c105_bridge_revision(dev); 307 rev = sl82c105_bridge_revision(dev);
349 308
@@ -358,7 +317,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
358 val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16; 317 val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16;
359 pci_write_config_dword(dev, 0x40, val); 318 pci_write_config_dword(dev, 0x40, val);
360 319
361 return ata_pci_init_one(dev, ppi); 320 return ata_pci_sff_init_one(dev, ppi, &sl82c105_sht, NULL);
362} 321}
363 322
364static const struct pci_device_id sl82c105[] = { 323static const struct pci_device_id sl82c105[] = {
diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c
index 403eafcffe12..b181261f2743 100644
--- a/drivers/ata/pata_triflex.c
+++ b/drivers/ata/pata_triflex.c
@@ -66,16 +66,11 @@ static int triflex_prereset(struct ata_link *link, unsigned long deadline)
66 if (!pci_test_config_bits(pdev, &triflex_enable_bits[ap->port_no])) 66 if (!pci_test_config_bits(pdev, &triflex_enable_bits[ap->port_no]))
67 return -ENOENT; 67 return -ENOENT;
68 68
69 return ata_std_prereset(link, deadline); 69 return ata_sff_prereset(link, deadline);
70} 70}
71 71
72 72
73 73
74static void triflex_error_handler(struct ata_port *ap)
75{
76 ata_bmdma_drive_eh(ap, triflex_prereset, ata_std_softreset, NULL, ata_std_postreset);
77}
78
79/** 74/**
80 * triflex_load_timing - timing configuration 75 * triflex_load_timing - timing configuration
81 * @ap: ATA interface 76 * @ap: ATA interface
@@ -180,60 +175,21 @@ static void triflex_bmdma_stop(struct ata_queued_cmd *qc)
180} 175}
181 176
182static struct scsi_host_template triflex_sht = { 177static struct scsi_host_template triflex_sht = {
183 .module = THIS_MODULE, 178 ATA_BMDMA_SHT(DRV_NAME),
184 .name = DRV_NAME,
185 .ioctl = ata_scsi_ioctl,
186 .queuecommand = ata_scsi_queuecmd,
187 .can_queue = ATA_DEF_QUEUE,
188 .this_id = ATA_SHT_THIS_ID,
189 .sg_tablesize = LIBATA_MAX_PRD,
190 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
191 .emulated = ATA_SHT_EMULATED,
192 .use_clustering = ATA_SHT_USE_CLUSTERING,
193 .proc_name = DRV_NAME,
194 .dma_boundary = ATA_DMA_BOUNDARY,
195 .slave_configure = ata_scsi_slave_config,
196 .slave_destroy = ata_scsi_slave_destroy,
197 .bios_param = ata_std_bios_param,
198}; 179};
199 180
200static struct ata_port_operations triflex_port_ops = { 181static struct ata_port_operations triflex_port_ops = {
201 .set_piomode = triflex_set_piomode, 182 .inherits = &ata_bmdma_port_ops,
202 .mode_filter = ata_pci_default_filter,
203
204 .tf_load = ata_tf_load,
205 .tf_read = ata_tf_read,
206 .check_status = ata_check_status,
207 .exec_command = ata_exec_command,
208 .dev_select = ata_std_dev_select,
209
210 .freeze = ata_bmdma_freeze,
211 .thaw = ata_bmdma_thaw,
212 .error_handler = triflex_error_handler,
213 .post_internal_cmd = ata_bmdma_post_internal_cmd,
214 .cable_detect = ata_cable_40wire,
215
216 .bmdma_setup = ata_bmdma_setup,
217 .bmdma_start = triflex_bmdma_start, 183 .bmdma_start = triflex_bmdma_start,
218 .bmdma_stop = triflex_bmdma_stop, 184 .bmdma_stop = triflex_bmdma_stop,
219 .bmdma_status = ata_bmdma_status, 185 .cable_detect = ata_cable_40wire,
220 186 .set_piomode = triflex_set_piomode,
221 .qc_prep = ata_qc_prep, 187 .prereset = triflex_prereset,
222 .qc_issue = ata_qc_issue_prot,
223
224 .data_xfer = ata_data_xfer,
225
226 .irq_handler = ata_interrupt,
227 .irq_clear = ata_bmdma_irq_clear,
228 .irq_on = ata_irq_on,
229
230 .port_start = ata_sff_port_start,
231}; 188};
232 189
233static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id) 190static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id)
234{ 191{
235 static const struct ata_port_info info = { 192 static const struct ata_port_info info = {
236 .sht = &triflex_sht,
237 .flags = ATA_FLAG_SLAVE_POSS, 193 .flags = ATA_FLAG_SLAVE_POSS,
238 .pio_mask = 0x1f, 194 .pio_mask = 0x1f,
239 .mwdma_mask = 0x07, 195 .mwdma_mask = 0x07,
@@ -245,7 +201,7 @@ static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id)
245 if (!printed_version++) 201 if (!printed_version++)
246 dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); 202 dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
247 203
248 return ata_pci_init_one(dev, ppi); 204 return ata_pci_sff_init_one(dev, ppi, &triflex_sht, NULL);
249} 205}
250 206
251static const struct pci_device_id triflex[] = { 207static const struct pci_device_id triflex[] = {
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index d119a68c388f..d4840748fb5c 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -210,23 +210,11 @@ static int via_pre_reset(struct ata_link *link, unsigned long deadline)
210 return -ENOENT; 210 return -ENOENT;
211 } 211 }
212 212
213 return ata_std_prereset(link, deadline); 213 return ata_sff_prereset(link, deadline);
214} 214}
215 215
216 216
217/** 217/**
218 * via_error_handler - reset for VIA chips
219 * @ap: ATA port
220 *
221 * Handle the reset callback for the later chips with cable detect
222 */
223
224static void via_error_handler(struct ata_port *ap)
225{
226 ata_bmdma_drive_eh(ap, via_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
227}
228
229/**
230 * via_do_set_mode - set initial PIO mode data 218 * via_do_set_mode - set initial PIO mode data
231 * @ap: ATA interface 219 * @ap: ATA interface
232 * @adev: ATA device 220 * @adev: ATA device
@@ -335,89 +323,20 @@ static void via_set_dmamode(struct ata_port *ap, struct ata_device *adev)
335} 323}
336 324
337static struct scsi_host_template via_sht = { 325static struct scsi_host_template via_sht = {
338 .module = THIS_MODULE, 326 ATA_BMDMA_SHT(DRV_NAME),
339 .name = DRV_NAME,
340 .ioctl = ata_scsi_ioctl,
341 .queuecommand = ata_scsi_queuecmd,
342 .can_queue = ATA_DEF_QUEUE,
343 .this_id = ATA_SHT_THIS_ID,
344 .sg_tablesize = LIBATA_MAX_PRD,
345 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
346 .emulated = ATA_SHT_EMULATED,
347 .use_clustering = ATA_SHT_USE_CLUSTERING,
348 .proc_name = DRV_NAME,
349 .dma_boundary = ATA_DMA_BOUNDARY,
350 .slave_configure = ata_scsi_slave_config,
351 .slave_destroy = ata_scsi_slave_destroy,
352 .bios_param = ata_std_bios_param,
353}; 327};
354 328
355static struct ata_port_operations via_port_ops = { 329static struct ata_port_operations via_port_ops = {
330 .inherits = &ata_bmdma_port_ops,
331 .cable_detect = via_cable_detect,
356 .set_piomode = via_set_piomode, 332 .set_piomode = via_set_piomode,
357 .set_dmamode = via_set_dmamode, 333 .set_dmamode = via_set_dmamode,
358 .mode_filter = ata_pci_default_filter, 334 .prereset = via_pre_reset,
359
360 .tf_load = ata_tf_load,
361 .tf_read = ata_tf_read,
362 .check_status = ata_check_status,
363 .exec_command = ata_exec_command,
364 .dev_select = ata_std_dev_select,
365
366 .freeze = ata_bmdma_freeze,
367 .thaw = ata_bmdma_thaw,
368 .error_handler = via_error_handler,
369 .post_internal_cmd = ata_bmdma_post_internal_cmd,
370 .cable_detect = via_cable_detect,
371
372 .bmdma_setup = ata_bmdma_setup,
373 .bmdma_start = ata_bmdma_start,
374 .bmdma_stop = ata_bmdma_stop,
375 .bmdma_status = ata_bmdma_status,
376
377 .qc_prep = ata_qc_prep,
378 .qc_issue = ata_qc_issue_prot,
379
380 .data_xfer = ata_data_xfer,
381
382 .irq_handler = ata_interrupt,
383 .irq_clear = ata_bmdma_irq_clear,
384 .irq_on = ata_irq_on,
385
386 .port_start = ata_sff_port_start,
387}; 335};
388 336
389static struct ata_port_operations via_port_ops_noirq = { 337static struct ata_port_operations via_port_ops_noirq = {
390 .set_piomode = via_set_piomode, 338 .inherits = &via_port_ops,
391 .set_dmamode = via_set_dmamode, 339 .sff_data_xfer = ata_sff_data_xfer_noirq,
392 .mode_filter = ata_pci_default_filter,
393
394 .tf_load = ata_tf_load,
395 .tf_read = ata_tf_read,
396 .check_status = ata_check_status,
397 .exec_command = ata_exec_command,
398 .dev_select = ata_std_dev_select,
399
400 .freeze = ata_bmdma_freeze,
401 .thaw = ata_bmdma_thaw,
402 .error_handler = via_error_handler,
403 .post_internal_cmd = ata_bmdma_post_internal_cmd,
404 .cable_detect = via_cable_detect,
405
406 .bmdma_setup = ata_bmdma_setup,
407 .bmdma_start = ata_bmdma_start,
408 .bmdma_stop = ata_bmdma_stop,
409 .bmdma_status = ata_bmdma_status,
410
411 .qc_prep = ata_qc_prep,
412 .qc_issue = ata_qc_issue_prot,
413
414 .data_xfer = ata_data_xfer_noirq,
415
416 .irq_handler = ata_interrupt,
417 .irq_clear = ata_bmdma_irq_clear,
418 .irq_on = ata_irq_on,
419
420 .port_start = ata_sff_port_start,
421}; 340};
422 341
423/** 342/**
@@ -467,7 +386,6 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
467{ 386{
468 /* Early VIA without UDMA support */ 387 /* Early VIA without UDMA support */
469 static const struct ata_port_info via_mwdma_info = { 388 static const struct ata_port_info via_mwdma_info = {
470 .sht = &via_sht,
471 .flags = ATA_FLAG_SLAVE_POSS, 389 .flags = ATA_FLAG_SLAVE_POSS,
472 .pio_mask = 0x1f, 390 .pio_mask = 0x1f,
473 .mwdma_mask = 0x07, 391 .mwdma_mask = 0x07,
@@ -475,7 +393,6 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
475 }; 393 };
476 /* Ditto with IRQ masking required */ 394 /* Ditto with IRQ masking required */
477 static const struct ata_port_info via_mwdma_info_borked = { 395 static const struct ata_port_info via_mwdma_info_borked = {
478 .sht = &via_sht,
479 .flags = ATA_FLAG_SLAVE_POSS, 396 .flags = ATA_FLAG_SLAVE_POSS,
480 .pio_mask = 0x1f, 397 .pio_mask = 0x1f,
481 .mwdma_mask = 0x07, 398 .mwdma_mask = 0x07,
@@ -483,7 +400,6 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
483 }; 400 };
484 /* VIA UDMA 33 devices (and borked 66) */ 401 /* VIA UDMA 33 devices (and borked 66) */
485 static const struct ata_port_info via_udma33_info = { 402 static const struct ata_port_info via_udma33_info = {
486 .sht = &via_sht,
487 .flags = ATA_FLAG_SLAVE_POSS, 403 .flags = ATA_FLAG_SLAVE_POSS,
488 .pio_mask = 0x1f, 404 .pio_mask = 0x1f,
489 .mwdma_mask = 0x07, 405 .mwdma_mask = 0x07,
@@ -492,7 +408,6 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
492 }; 408 };
493 /* VIA UDMA 66 devices */ 409 /* VIA UDMA 66 devices */
494 static const struct ata_port_info via_udma66_info = { 410 static const struct ata_port_info via_udma66_info = {
495 .sht = &via_sht,
496 .flags = ATA_FLAG_SLAVE_POSS, 411 .flags = ATA_FLAG_SLAVE_POSS,
497 .pio_mask = 0x1f, 412 .pio_mask = 0x1f,
498 .mwdma_mask = 0x07, 413 .mwdma_mask = 0x07,
@@ -501,7 +416,6 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
501 }; 416 };
502 /* VIA UDMA 100 devices */ 417 /* VIA UDMA 100 devices */
503 static const struct ata_port_info via_udma100_info = { 418 static const struct ata_port_info via_udma100_info = {
504 .sht = &via_sht,
505 .flags = ATA_FLAG_SLAVE_POSS, 419 .flags = ATA_FLAG_SLAVE_POSS,
506 .pio_mask = 0x1f, 420 .pio_mask = 0x1f,
507 .mwdma_mask = 0x07, 421 .mwdma_mask = 0x07,
@@ -510,24 +424,27 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
510 }; 424 };
511 /* UDMA133 with bad AST (All current 133) */ 425 /* UDMA133 with bad AST (All current 133) */
512 static const struct ata_port_info via_udma133_info = { 426 static const struct ata_port_info via_udma133_info = {
513 .sht = &via_sht,
514 .flags = ATA_FLAG_SLAVE_POSS, 427 .flags = ATA_FLAG_SLAVE_POSS,
515 .pio_mask = 0x1f, 428 .pio_mask = 0x1f,
516 .mwdma_mask = 0x07, 429 .mwdma_mask = 0x07,
517 .udma_mask = ATA_UDMA6, /* FIXME: should check north bridge */ 430 .udma_mask = ATA_UDMA6, /* FIXME: should check north bridge */
518 .port_ops = &via_port_ops 431 .port_ops = &via_port_ops
519 }; 432 };
520 struct ata_port_info type; 433 const struct ata_port_info *ppi[] = { NULL, NULL };
521 const struct ata_port_info *ppi[] = { &type, NULL };
522 struct pci_dev *isa = NULL; 434 struct pci_dev *isa = NULL;
523 const struct via_isa_bridge *config; 435 const struct via_isa_bridge *config;
524 static int printed_version; 436 static int printed_version;
525 u8 enable; 437 u8 enable;
526 u32 timing; 438 u32 timing;
439 int rc;
527 440
528 if (!printed_version++) 441 if (!printed_version++)
529 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); 442 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
530 443
444 rc = pcim_enable_device(pdev);
445 if (rc)
446 return rc;
447
531 /* To find out how the IDE will behave and what features we 448 /* To find out how the IDE will behave and what features we
532 actually have to look at the bridge not the IDE controller */ 449 actually have to look at the bridge not the IDE controller */
533 for (config = via_isa_bridges; config->id; config++) 450 for (config = via_isa_bridges; config->id; config++)
@@ -561,25 +478,25 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
561 switch(config->flags & VIA_UDMA) { 478 switch(config->flags & VIA_UDMA) {
562 case VIA_UDMA_NONE: 479 case VIA_UDMA_NONE:
563 if (config->flags & VIA_NO_UNMASK) 480 if (config->flags & VIA_NO_UNMASK)
564 type = via_mwdma_info_borked; 481 ppi[0] = &via_mwdma_info_borked;
565 else 482 else
566 type = via_mwdma_info; 483 ppi[0] = &via_mwdma_info;
567 break; 484 break;
568 case VIA_UDMA_33: 485 case VIA_UDMA_33:
569 type = via_udma33_info; 486 ppi[0] = &via_udma33_info;
570 break; 487 break;
571 case VIA_UDMA_66: 488 case VIA_UDMA_66:
572 type = via_udma66_info; 489 ppi[0] = &via_udma66_info;
573 /* The 66 MHz devices require we enable the clock */ 490 /* The 66 MHz devices require we enable the clock */
574 pci_read_config_dword(pdev, 0x50, &timing); 491 pci_read_config_dword(pdev, 0x50, &timing);
575 timing |= 0x80008; 492 timing |= 0x80008;
576 pci_write_config_dword(pdev, 0x50, timing); 493 pci_write_config_dword(pdev, 0x50, timing);
577 break; 494 break;
578 case VIA_UDMA_100: 495 case VIA_UDMA_100:
579 type = via_udma100_info; 496 ppi[0] = &via_udma100_info;
580 break; 497 break;
581 case VIA_UDMA_133: 498 case VIA_UDMA_133:
582 type = via_udma133_info; 499 ppi[0] = &via_udma133_info;
583 break; 500 break;
584 default: 501 default:
585 WARN_ON(1); 502 WARN_ON(1);
@@ -594,9 +511,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
594 } 511 }
595 512
596 /* We have established the device type, now fire it up */ 513 /* We have established the device type, now fire it up */
597 type.private_data = (void *)config; 514 return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config);
598
599 return ata_pci_init_one(pdev, ppi);
600} 515}
601 516
602#ifdef CONFIG_PM 517#ifdef CONFIG_PM
@@ -615,6 +530,11 @@ static int via_reinit_one(struct pci_dev *pdev)
615 u32 timing; 530 u32 timing;
616 struct ata_host *host = dev_get_drvdata(&pdev->dev); 531 struct ata_host *host = dev_get_drvdata(&pdev->dev);
617 const struct via_isa_bridge *config = host->private_data; 532 const struct via_isa_bridge *config = host->private_data;
533 int rc;
534
535 rc = ata_pci_device_do_resume(pdev);
536 if (rc)
537 return rc;
618 538
619 via_config_fifo(pdev, config->flags); 539 via_config_fifo(pdev, config->flags);
620 540
@@ -630,7 +550,9 @@ static int via_reinit_one(struct pci_dev *pdev)
630 timing &= ~0x80008; 550 timing &= ~0x80008;
631 pci_write_config_dword(pdev, 0x50, timing); 551 pci_write_config_dword(pdev, 0x50, timing);
632 } 552 }
633 return ata_pci_device_resume(pdev); 553
554 ata_host_resume(host);
555 return 0;
634} 556}
635#endif 557#endif
636 558
diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c
index 99c92eda217b..6e52a3573fbf 100644
--- a/drivers/ata/pata_winbond.c
+++ b/drivers/ata/pata_winbond.c
@@ -116,53 +116,20 @@ static unsigned int winbond_data_xfer(struct ata_device *dev,
116 buflen += 4 - slop; 116 buflen += 4 - slop;
117 } 117 }
118 } else 118 } else
119 buflen = ata_data_xfer(dev, buf, buflen, rw); 119 buflen = ata_sff_data_xfer(dev, buf, buflen, rw);
120 120
121 return buflen; 121 return buflen;
122} 122}
123 123
124static struct scsi_host_template winbond_sht = { 124static struct scsi_host_template winbond_sht = {
125 .module = THIS_MODULE, 125 ATA_PIO_SHT(DRV_NAME),
126 .name = DRV_NAME,
127 .ioctl = ata_scsi_ioctl,
128 .queuecommand = ata_scsi_queuecmd,
129 .can_queue = ATA_DEF_QUEUE,
130 .this_id = ATA_SHT_THIS_ID,
131 .sg_tablesize = LIBATA_MAX_PRD,
132 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
133 .emulated = ATA_SHT_EMULATED,
134 .use_clustering = ATA_SHT_USE_CLUSTERING,
135 .proc_name = DRV_NAME,
136 .dma_boundary = ATA_DMA_BOUNDARY,
137 .slave_configure = ata_scsi_slave_config,
138 .slave_destroy = ata_scsi_slave_destroy,
139 .bios_param = ata_std_bios_param,
140}; 126};
141 127
142static struct ata_port_operations winbond_port_ops = { 128static struct ata_port_operations winbond_port_ops = {
143 .set_piomode = winbond_set_piomode, 129 .inherits = &ata_sff_port_ops,
144 130 .sff_data_xfer = winbond_data_xfer,
145 .tf_load = ata_tf_load,
146 .tf_read = ata_tf_read,
147 .check_status = ata_check_status,
148 .exec_command = ata_exec_command,
149 .dev_select = ata_std_dev_select,
150
151 .freeze = ata_bmdma_freeze,
152 .thaw = ata_bmdma_thaw,
153 .error_handler = ata_bmdma_error_handler,
154 .post_internal_cmd = ata_bmdma_post_internal_cmd,
155 .cable_detect = ata_cable_40wire, 131 .cable_detect = ata_cable_40wire,
156 132 .set_piomode = winbond_set_piomode,
157 .qc_prep = ata_qc_prep,
158 .qc_issue = ata_qc_issue_prot,
159
160 .data_xfer = winbond_data_xfer,
161
162 .irq_clear = ata_bmdma_irq_clear,
163 .irq_on = ata_irq_on,
164
165 .port_start = ata_sff_port_start,
166}; 133};
167 134
168/** 135/**
@@ -231,7 +198,7 @@ static __init int winbond_init_one(unsigned long port)
231 ap->ioaddr.cmd_addr = cmd_addr; 198 ap->ioaddr.cmd_addr = cmd_addr;
232 ap->ioaddr.altstatus_addr = ctl_addr; 199 ap->ioaddr.altstatus_addr = ctl_addr;
233 ap->ioaddr.ctl_addr = ctl_addr; 200 ap->ioaddr.ctl_addr = ctl_addr;
234 ata_std_ports(&ap->ioaddr); 201 ata_sff_std_ports(&ap->ioaddr);
235 202
236 /* hook in a private data structure per channel */ 203 /* hook in a private data structure per channel */
237 host->private_data = &winbond_data[nr_winbond_host]; 204 host->private_data = &winbond_data[nr_winbond_host];
@@ -239,7 +206,7 @@ static __init int winbond_init_one(unsigned long port)
239 winbond_data[nr_winbond_host].platform_dev = pdev; 206 winbond_data[nr_winbond_host].platform_dev = pdev;
240 207
241 /* activate */ 208 /* activate */
242 rc = ata_host_activate(host, 14 + i, ata_interrupt, 0, 209 rc = ata_host_activate(host, 14 + i, ata_sff_interrupt, 0,
243 &winbond_sht); 210 &winbond_sht);
244 if (rc) 211 if (rc)
245 goto err_unregister; 212 goto err_unregister;
diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index 8e1b7e9c0ae4..be53545c9f64 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -131,56 +131,33 @@ struct adma_port_priv {
131static int adma_ata_init_one(struct pci_dev *pdev, 131static int adma_ata_init_one(struct pci_dev *pdev,
132 const struct pci_device_id *ent); 132 const struct pci_device_id *ent);
133static int adma_port_start(struct ata_port *ap); 133static int adma_port_start(struct ata_port *ap);
134static void adma_host_stop(struct ata_host *host);
135static void adma_port_stop(struct ata_port *ap); 134static void adma_port_stop(struct ata_port *ap);
136static void adma_qc_prep(struct ata_queued_cmd *qc); 135static void adma_qc_prep(struct ata_queued_cmd *qc);
137static unsigned int adma_qc_issue(struct ata_queued_cmd *qc); 136static unsigned int adma_qc_issue(struct ata_queued_cmd *qc);
138static int adma_check_atapi_dma(struct ata_queued_cmd *qc); 137static int adma_check_atapi_dma(struct ata_queued_cmd *qc);
139static void adma_bmdma_stop(struct ata_queued_cmd *qc);
140static u8 adma_bmdma_status(struct ata_port *ap);
141static void adma_irq_clear(struct ata_port *ap);
142static void adma_freeze(struct ata_port *ap); 138static void adma_freeze(struct ata_port *ap);
143static void adma_thaw(struct ata_port *ap); 139static void adma_thaw(struct ata_port *ap);
144static void adma_error_handler(struct ata_port *ap); 140static int adma_prereset(struct ata_link *link, unsigned long deadline);
145 141
146static struct scsi_host_template adma_ata_sht = { 142static struct scsi_host_template adma_ata_sht = {
147 .module = THIS_MODULE, 143 ATA_BASE_SHT(DRV_NAME),
148 .name = DRV_NAME,
149 .ioctl = ata_scsi_ioctl,
150 .queuecommand = ata_scsi_queuecmd,
151 .slave_configure = ata_scsi_slave_config,
152 .slave_destroy = ata_scsi_slave_destroy,
153 .bios_param = ata_std_bios_param,
154 .proc_name = DRV_NAME,
155 .can_queue = ATA_DEF_QUEUE,
156 .this_id = ATA_SHT_THIS_ID,
157 .sg_tablesize = LIBATA_MAX_PRD, 144 .sg_tablesize = LIBATA_MAX_PRD,
158 .dma_boundary = ADMA_DMA_BOUNDARY, 145 .dma_boundary = ADMA_DMA_BOUNDARY,
159 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
160 .use_clustering = ENABLE_CLUSTERING,
161 .emulated = ATA_SHT_EMULATED,
162}; 146};
163 147
164static const struct ata_port_operations adma_ata_ops = { 148static struct ata_port_operations adma_ata_ops = {
165 .tf_load = ata_tf_load, 149 .inherits = &ata_sff_port_ops,
166 .tf_read = ata_tf_read, 150
167 .exec_command = ata_exec_command,
168 .check_status = ata_check_status,
169 .dev_select = ata_std_dev_select,
170 .check_atapi_dma = adma_check_atapi_dma, 151 .check_atapi_dma = adma_check_atapi_dma,
171 .data_xfer = ata_data_xfer,
172 .qc_prep = adma_qc_prep, 152 .qc_prep = adma_qc_prep,
173 .qc_issue = adma_qc_issue, 153 .qc_issue = adma_qc_issue,
154
174 .freeze = adma_freeze, 155 .freeze = adma_freeze,
175 .thaw = adma_thaw, 156 .thaw = adma_thaw,
176 .error_handler = adma_error_handler, 157 .prereset = adma_prereset,
177 .irq_clear = adma_irq_clear, 158
178 .irq_on = ata_irq_on,
179 .port_start = adma_port_start, 159 .port_start = adma_port_start,
180 .port_stop = adma_port_stop, 160 .port_stop = adma_port_stop,
181 .host_stop = adma_host_stop,
182 .bmdma_stop = adma_bmdma_stop,
183 .bmdma_status = adma_bmdma_status,
184}; 161};
185 162
186static struct ata_port_info adma_port_info[] = { 163static struct ata_port_info adma_port_info[] = {
@@ -213,21 +190,6 @@ static int adma_check_atapi_dma(struct ata_queued_cmd *qc)
213 return 1; /* ATAPI DMA not yet supported */ 190 return 1; /* ATAPI DMA not yet supported */
214} 191}
215 192
216static void adma_bmdma_stop(struct ata_queued_cmd *qc)
217{
218 /* nothing */
219}
220
221static u8 adma_bmdma_status(struct ata_port *ap)
222{
223 return 0;
224}
225
226static void adma_irq_clear(struct ata_port *ap)
227{
228 /* nothing */
229}
230
231static void adma_reset_engine(struct ata_port *ap) 193static void adma_reset_engine(struct ata_port *ap)
232{ 194{
233 void __iomem *chan = ADMA_PORT_REGS(ap); 195 void __iomem *chan = ADMA_PORT_REGS(ap);
@@ -246,7 +208,7 @@ static void adma_reinit_engine(struct ata_port *ap)
246 208
247 /* mask/clear ATA interrupts */ 209 /* mask/clear ATA interrupts */
248 writeb(ATA_NIEN, ap->ioaddr.ctl_addr); 210 writeb(ATA_NIEN, ap->ioaddr.ctl_addr);
249 ata_check_status(ap); 211 ata_sff_check_status(ap);
250 212
251 /* reset the ADMA engine */ 213 /* reset the ADMA engine */
252 adma_reset_engine(ap); 214 adma_reset_engine(ap);
@@ -281,7 +243,7 @@ static void adma_freeze(struct ata_port *ap)
281 243
282 /* mask/clear ATA interrupts */ 244 /* mask/clear ATA interrupts */
283 writeb(ATA_NIEN, ap->ioaddr.ctl_addr); 245 writeb(ATA_NIEN, ap->ioaddr.ctl_addr);
284 ata_check_status(ap); 246 ata_sff_check_status(ap);
285 247
286 /* reset ADMA to idle state */ 248 /* reset ADMA to idle state */
287 writew(aPIOMD4 | aNIEN | aRSTADM, chan + ADMA_CONTROL); 249 writew(aPIOMD4 | aNIEN | aRSTADM, chan + ADMA_CONTROL);
@@ -304,13 +266,7 @@ static int adma_prereset(struct ata_link *link, unsigned long deadline)
304 pp->state = adma_state_mmio; 266 pp->state = adma_state_mmio;
305 adma_reinit_engine(ap); 267 adma_reinit_engine(ap);
306 268
307 return ata_std_prereset(link, deadline); 269 return ata_sff_prereset(link, deadline);
308}
309
310static void adma_error_handler(struct ata_port *ap)
311{
312 ata_do_eh(ap, adma_prereset, ata_std_softreset, NULL,
313 ata_std_postreset);
314} 270}
315 271
316static int adma_fill_sg(struct ata_queued_cmd *qc) 272static int adma_fill_sg(struct ata_queued_cmd *qc)
@@ -366,7 +322,7 @@ static void adma_qc_prep(struct ata_queued_cmd *qc)
366 322
367 adma_enter_reg_mode(qc->ap); 323 adma_enter_reg_mode(qc->ap);
368 if (qc->tf.protocol != ATA_PROT_DMA) { 324 if (qc->tf.protocol != ATA_PROT_DMA) {
369 ata_qc_prep(qc); 325 ata_sff_qc_prep(qc);
370 return; 326 return;
371 } 327 }
372 328
@@ -465,7 +421,7 @@ static unsigned int adma_qc_issue(struct ata_queued_cmd *qc)
465 } 421 }
466 422
467 pp->state = adma_state_mmio; 423 pp->state = adma_state_mmio;
468 return ata_qc_issue_prot(qc); 424 return ata_sff_qc_issue(qc);
469} 425}
470 426
471static inline unsigned int adma_intr_pkt(struct ata_host *host) 427static inline unsigned int adma_intr_pkt(struct ata_host *host)
@@ -536,7 +492,7 @@ static inline unsigned int adma_intr_mmio(struct ata_host *host)
536 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) { 492 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
537 493
538 /* check main status, clearing INTRQ */ 494 /* check main status, clearing INTRQ */
539 u8 status = ata_check_status(ap); 495 u8 status = ata_sff_check_status(ap);
540 if ((status & ATA_BUSY)) 496 if ((status & ATA_BUSY))
541 continue; 497 continue;
542 DPRINTK("ata%u: protocol %d (dev_stat 0x%X)\n", 498 DPRINTK("ata%u: protocol %d (dev_stat 0x%X)\n",
@@ -633,14 +589,6 @@ static void adma_port_stop(struct ata_port *ap)
633 adma_reset_engine(ap); 589 adma_reset_engine(ap);
634} 590}
635 591
636static void adma_host_stop(struct ata_host *host)
637{
638 unsigned int port_no;
639
640 for (port_no = 0; port_no < ADMA_PORTS; ++port_no)
641 adma_reset_engine(host->ports[port_no]);
642}
643
644static void adma_host_init(struct ata_host *host, unsigned int chip_id) 592static void adma_host_init(struct ata_host *host, unsigned int chip_id)
645{ 593{
646 unsigned int port_no; 594 unsigned int port_no;
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 9d1e3cad4aa9..fddd346b1d57 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -35,7 +35,6 @@ enum {
35 SATA_FSL_HOST_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 35 SATA_FSL_HOST_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
36 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | 36 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
37 ATA_FLAG_NCQ), 37 ATA_FLAG_NCQ),
38 SATA_FSL_HOST_LFLAGS = ATA_LFLAG_SKIP_D2H_BSY,
39 38
40 SATA_FSL_MAX_CMDS = SATA_FSL_QUEUE_DEPTH, 39 SATA_FSL_MAX_CMDS = SATA_FSL_QUEUE_DEPTH,
41 SATA_FSL_CMD_HDR_SIZE = 16, /* 4 DWORDS */ 40 SATA_FSL_CMD_HDR_SIZE = 16, /* 4 DWORDS */
@@ -245,17 +244,6 @@ struct sata_fsl_port_priv {
245 dma_addr_t cmdslot_paddr; 244 dma_addr_t cmdslot_paddr;
246 struct command_desc *cmdentry; 245 struct command_desc *cmdentry;
247 dma_addr_t cmdentry_paddr; 246 dma_addr_t cmdentry_paddr;
248
249 /*
250 * SATA FSL controller has a Status FIS which should contain the
251 * received D2H FIS & taskfile registers. This SFIS is present in
252 * the command descriptor, and to have a ready reference to it,
253 * we are caching it here, quite similar to what is done in H/W on
254 * AHCI compliant devices by copying taskfile fields to a 32-bit
255 * register.
256 */
257
258 struct ata_taskfile tf;
259}; 247};
260 248
261/* 249/*
@@ -465,6 +453,20 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc)
465 return 0; 453 return 0;
466} 454}
467 455
456static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc)
457{
458 struct sata_fsl_port_priv *pp = qc->ap->private_data;
459 struct sata_fsl_host_priv *host_priv = qc->ap->host->private_data;
460 void __iomem *hcr_base = host_priv->hcr_base;
461 unsigned int tag = sata_fsl_tag(qc->tag, hcr_base);
462 struct command_desc *cd;
463
464 cd = pp->cmdentry + tag;
465
466 ata_tf_from_fis(cd->sfis, &qc->result_tf);
467 return true;
468}
469
468static int sata_fsl_scr_write(struct ata_port *ap, unsigned int sc_reg_in, 470static int sata_fsl_scr_write(struct ata_port *ap, unsigned int sc_reg_in,
469 u32 val) 471 u32 val)
470{ 472{
@@ -556,38 +558,6 @@ static void sata_fsl_thaw(struct ata_port *ap)
556 ioread32(hcr_base + HCONTROL), ioread32(hcr_base + HSTATUS)); 558 ioread32(hcr_base + HCONTROL), ioread32(hcr_base + HSTATUS));
557} 559}
558 560
559/*
560 * NOTE : 1st D2H FIS from device does not update sfis in command descriptor.
561 */
562static inline void sata_fsl_cache_taskfile_from_d2h_fis(struct ata_queued_cmd
563 *qc,
564 struct ata_port *ap)
565{
566 struct sata_fsl_port_priv *pp = ap->private_data;
567 struct sata_fsl_host_priv *host_priv = ap->host->private_data;
568 void __iomem *hcr_base = host_priv->hcr_base;
569 unsigned int tag = sata_fsl_tag(qc->tag, hcr_base);
570 struct command_desc *cd;
571
572 cd = pp->cmdentry + tag;
573
574 ata_tf_from_fis(cd->sfis, &pp->tf);
575}
576
577static u8 sata_fsl_check_status(struct ata_port *ap)
578{
579 struct sata_fsl_port_priv *pp = ap->private_data;
580
581 return pp->tf.command;
582}
583
584static void sata_fsl_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
585{
586 struct sata_fsl_port_priv *pp = ap->private_data;
587
588 *tf = pp->tf;
589}
590
591static int sata_fsl_port_start(struct ata_port *ap) 561static int sata_fsl_port_start(struct ata_port *ap)
592{ 562{
593 struct device *dev = ap->host->dev; 563 struct device *dev = ap->host->dev;
@@ -708,6 +678,15 @@ static unsigned int sata_fsl_dev_classify(struct ata_port *ap)
708 return ata_dev_classify(&tf); 678 return ata_dev_classify(&tf);
709} 679}
710 680
681static int sata_fsl_prereset(struct ata_linke *link, unsigned long deadline)
682{
683 /* FIXME: Never skip softreset, sata_fsl_softreset() is
684 * combination of soft and hard resets. sata_fsl_softreset()
685 * needs to be splitted into soft and hard resets.
686 */
687 return 0;
688}
689
711static int sata_fsl_softreset(struct ata_link *link, unsigned int *class, 690static int sata_fsl_softreset(struct ata_link *link, unsigned int *class,
712 unsigned long deadline) 691 unsigned long deadline)
713{ 692{
@@ -913,16 +892,6 @@ err:
913 return -EIO; 892 return -EIO;
914} 893}
915 894
916static void sata_fsl_error_handler(struct ata_port *ap)
917{
918
919 DPRINTK("in xx_error_handler\n");
920
921 /* perform recovery */
922 ata_do_eh(ap, ata_std_prereset, sata_fsl_softreset, sata_std_hardreset,
923 ata_std_postreset);
924}
925
926static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc) 895static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc)
927{ 896{
928 if (qc->flags & ATA_QCFLAG_FAILED) 897 if (qc->flags & ATA_QCFLAG_FAILED)
@@ -934,11 +903,6 @@ static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc)
934 } 903 }
935} 904}
936 905
937static void sata_fsl_irq_clear(struct ata_port *ap)
938{
939 /* unused */
940}
941
942static void sata_fsl_error_intr(struct ata_port *ap) 906static void sata_fsl_error_intr(struct ata_port *ap)
943{ 907{
944 struct ata_link *link = &ap->link; 908 struct ata_link *link = &ap->link;
@@ -996,7 +960,7 @@ static void sata_fsl_error_intr(struct ata_port *ap)
996 /* handle fatal errors */ 960 /* handle fatal errors */
997 if (hstatus & FATAL_ERROR_DECODE) { 961 if (hstatus & FATAL_ERROR_DECODE) {
998 err_mask |= AC_ERR_ATA_BUS; 962 err_mask |= AC_ERR_ATA_BUS;
999 action |= ATA_EH_SOFTRESET; 963 action |= ATA_EH_RESET;
1000 /* how will fatal error interrupts be completed ?? */ 964 /* how will fatal error interrupts be completed ?? */
1001 freeze = 1; 965 freeze = 1;
1002 } 966 }
@@ -1013,10 +977,9 @@ static void sata_fsl_error_intr(struct ata_port *ap)
1013 /* record error info */ 977 /* record error info */
1014 qc = ata_qc_from_tag(ap, link->active_tag); 978 qc = ata_qc_from_tag(ap, link->active_tag);
1015 979
1016 if (qc) { 980 if (qc)
1017 sata_fsl_cache_taskfile_from_d2h_fis(qc, qc->ap);
1018 qc->err_mask |= err_mask; 981 qc->err_mask |= err_mask;
1019 } else 982 else
1020 ehi->err_mask |= err_mask; 983 ehi->err_mask |= err_mask;
1021 984
1022 ehi->action |= action; 985 ehi->action |= action;
@@ -1029,14 +992,6 @@ static void sata_fsl_error_intr(struct ata_port *ap)
1029 ata_port_abort(ap); 992 ata_port_abort(ap);
1030} 993}
1031 994
1032static void sata_fsl_qc_complete(struct ata_queued_cmd *qc)
1033{
1034 if (qc->flags & ATA_QCFLAG_RESULT_TF) {
1035 DPRINTK("xx_qc_complete called\n");
1036 sata_fsl_cache_taskfile_from_d2h_fis(qc, qc->ap);
1037 }
1038}
1039
1040static void sata_fsl_host_intr(struct ata_port *ap) 995static void sata_fsl_host_intr(struct ata_port *ap)
1041{ 996{
1042 struct ata_link *link = &ap->link; 997 struct ata_link *link = &ap->link;
@@ -1077,10 +1032,8 @@ static void sata_fsl_host_intr(struct ata_port *ap)
1077 for (i = 0; i < SATA_FSL_QUEUE_DEPTH; i++) { 1032 for (i = 0; i < SATA_FSL_QUEUE_DEPTH; i++) {
1078 if (qc_active & (1 << i)) { 1033 if (qc_active & (1 << i)) {
1079 qc = ata_qc_from_tag(ap, i); 1034 qc = ata_qc_from_tag(ap, i);
1080 if (qc) { 1035 if (qc)
1081 sata_fsl_qc_complete(qc);
1082 ata_qc_complete(qc); 1036 ata_qc_complete(qc);
1083 }
1084 DPRINTK 1037 DPRINTK
1085 ("completing ncq cmd,tag=%d,CC=0x%x,CA=0x%x\n", 1038 ("completing ncq cmd,tag=%d,CC=0x%x,CA=0x%x\n",
1086 i, ioread32(hcr_base + CC), 1039 i, ioread32(hcr_base + CC),
@@ -1096,10 +1049,8 @@ static void sata_fsl_host_intr(struct ata_port *ap)
1096 DPRINTK("completing non-ncq cmd, tag=%d,CC=0x%x\n", 1049 DPRINTK("completing non-ncq cmd, tag=%d,CC=0x%x\n",
1097 link->active_tag, ioread32(hcr_base + CC)); 1050 link->active_tag, ioread32(hcr_base + CC));
1098 1051
1099 if (qc) { 1052 if (qc)
1100 sata_fsl_qc_complete(qc);
1101 ata_qc_complete(qc); 1053 ata_qc_complete(qc);
1102 }
1103 } else { 1054 } else {
1104 /* Spurious Interrupt!! */ 1055 /* Spurious Interrupt!! */
1105 DPRINTK("spurious interrupt!!, CC = 0x%x\n", 1056 DPRINTK("spurious interrupt!!, CC = 0x%x\n",
@@ -1197,41 +1148,26 @@ static int sata_fsl_init_controller(struct ata_host *host)
1197 * scsi mid-layer and libata interface structures 1148 * scsi mid-layer and libata interface structures
1198 */ 1149 */
1199static struct scsi_host_template sata_fsl_sht = { 1150static struct scsi_host_template sata_fsl_sht = {
1200 .module = THIS_MODULE, 1151 ATA_NCQ_SHT("sata_fsl"),
1201 .name = "sata_fsl",
1202 .ioctl = ata_scsi_ioctl,
1203 .queuecommand = ata_scsi_queuecmd,
1204 .change_queue_depth = ata_scsi_change_queue_depth,
1205 .can_queue = SATA_FSL_QUEUE_DEPTH, 1152 .can_queue = SATA_FSL_QUEUE_DEPTH,
1206 .this_id = ATA_SHT_THIS_ID,
1207 .sg_tablesize = SATA_FSL_MAX_PRD_USABLE, 1153 .sg_tablesize = SATA_FSL_MAX_PRD_USABLE,
1208 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
1209 .emulated = ATA_SHT_EMULATED,
1210 .use_clustering = ATA_SHT_USE_CLUSTERING,
1211 .proc_name = "sata_fsl",
1212 .dma_boundary = ATA_DMA_BOUNDARY, 1154 .dma_boundary = ATA_DMA_BOUNDARY,
1213 .slave_configure = ata_scsi_slave_config,
1214 .slave_destroy = ata_scsi_slave_destroy,
1215 .bios_param = ata_std_bios_param,
1216}; 1155};
1217 1156
1218static const struct ata_port_operations sata_fsl_ops = { 1157static const struct ata_port_operations sata_fsl_ops = {
1219 .check_status = sata_fsl_check_status, 1158 .inherits = &sata_port_ops,
1220 .check_altstatus = sata_fsl_check_status,
1221 .dev_select = ata_noop_dev_select,
1222
1223 .tf_read = sata_fsl_tf_read,
1224 1159
1225 .qc_prep = sata_fsl_qc_prep, 1160 .qc_prep = sata_fsl_qc_prep,
1226 .qc_issue = sata_fsl_qc_issue, 1161 .qc_issue = sata_fsl_qc_issue,
1227 .irq_clear = sata_fsl_irq_clear, 1162 .qc_fill_rtf = sata_fsl_qc_fill_rtf,
1228 1163
1229 .scr_read = sata_fsl_scr_read, 1164 .scr_read = sata_fsl_scr_read,
1230 .scr_write = sata_fsl_scr_write, 1165 .scr_write = sata_fsl_scr_write,
1231 1166
1232 .freeze = sata_fsl_freeze, 1167 .freeze = sata_fsl_freeze,
1233 .thaw = sata_fsl_thaw, 1168 .thaw = sata_fsl_thaw,
1234 .error_handler = sata_fsl_error_handler, 1169 .prereset = sata_fsl_prereset,
1170 .softreset = sata_fsl_softreset,
1235 .post_internal_cmd = sata_fsl_post_internal_cmd, 1171 .post_internal_cmd = sata_fsl_post_internal_cmd,
1236 1172
1237 .port_start = sata_fsl_port_start, 1173 .port_start = sata_fsl_port_start,
@@ -1241,7 +1177,6 @@ static const struct ata_port_operations sata_fsl_ops = {
1241static const struct ata_port_info sata_fsl_port_info[] = { 1177static const struct ata_port_info sata_fsl_port_info[] = {
1242 { 1178 {
1243 .flags = SATA_FSL_HOST_FLAGS, 1179 .flags = SATA_FSL_HOST_FLAGS,
1244 .link_flags = SATA_FSL_HOST_LFLAGS,
1245 .pio_mask = 0x1f, /* pio 0-4 */ 1180 .pio_mask = 0x1f, /* pio 0-4 */
1246 .udma_mask = 0x7f, /* udma 0-6 */ 1181 .udma_mask = 0x7f, /* udma 0-6 */
1247 .port_ops = &sata_fsl_ops, 1182 .port_ops = &sata_fsl_ops,
@@ -1297,11 +1232,6 @@ static int sata_fsl_probe(struct of_device *ofdev,
1297 /* host->iomap is not used currently */ 1232 /* host->iomap is not used currently */
1298 host->private_data = host_priv; 1233 host->private_data = host_priv;
1299 1234
1300 /* setup port(s) */
1301
1302 host->ports[0]->ioaddr.cmd_addr = host_priv->hcr_base;
1303 host->ports[0]->ioaddr.scr_addr = host_priv->ssr_base;
1304
1305 /* initialize host controller */ 1235 /* initialize host controller */
1306 sata_fsl_init_controller(host); 1236 sata_fsl_init_controller(host);
1307 1237
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index 59e65edc5820..d27bb9a2568f 100644
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -109,21 +109,7 @@ struct inic_port_priv {
109}; 109};
110 110
111static struct scsi_host_template inic_sht = { 111static struct scsi_host_template inic_sht = {
112 .module = THIS_MODULE, 112 ATA_BMDMA_SHT(DRV_NAME),
113 .name = DRV_NAME,
114 .ioctl = ata_scsi_ioctl,
115 .queuecommand = ata_scsi_queuecmd,
116 .can_queue = ATA_DEF_QUEUE,
117 .this_id = ATA_SHT_THIS_ID,
118 .sg_tablesize = LIBATA_MAX_PRD,
119 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
120 .emulated = ATA_SHT_EMULATED,
121 .use_clustering = ATA_SHT_USE_CLUSTERING,
122 .proc_name = DRV_NAME,
123 .dma_boundary = ATA_DMA_BOUNDARY,
124 .slave_configure = ata_scsi_slave_config,
125 .slave_destroy = ata_scsi_slave_destroy,
126 .bios_param = ata_std_bios_param,
127}; 113};
128 114
129static const int scr_map[] = { 115static const int scr_map[] = {
@@ -236,7 +222,7 @@ static void inic_bmdma_setup(struct ata_queued_cmd *qc)
236 writeb(pp->cached_prdctl, port_base + PORT_PRD_CTL); 222 writeb(pp->cached_prdctl, port_base + PORT_PRD_CTL);
237 223
238 /* issue r/w command */ 224 /* issue r/w command */
239 ap->ops->exec_command(ap, &qc->tf); 225 ap->ops->sff_exec_command(ap, &qc->tf);
240} 226}
241 227
242static void inic_bmdma_start(struct ata_queued_cmd *qc) 228static void inic_bmdma_start(struct ata_queued_cmd *qc)
@@ -266,11 +252,6 @@ static u8 inic_bmdma_status(struct ata_port *ap)
266 return ATA_DMA_INTR; 252 return ATA_DMA_INTR;
267} 253}
268 254
269static void inic_irq_clear(struct ata_port *ap)
270{
271 /* noop */
272}
273
274static void inic_host_intr(struct ata_port *ap) 255static void inic_host_intr(struct ata_port *ap)
275{ 256{
276 void __iomem *port_base = inic_port_base(ap); 257 void __iomem *port_base = inic_port_base(ap);
@@ -286,14 +267,14 @@ static void inic_host_intr(struct ata_port *ap)
286 ata_qc_from_tag(ap, ap->link.active_tag); 267 ata_qc_from_tag(ap, ap->link.active_tag);
287 268
288 if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) { 269 if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) {
289 ata_chk_status(ap); /* clear ATA interrupt */ 270 ap->ops->sff_check_status(ap); /* clear ATA interrupt */
290 return; 271 return;
291 } 272 }
292 273
293 if (likely(ata_host_intr(ap, qc))) 274 if (likely(ata_sff_host_intr(ap, qc)))
294 return; 275 return;
295 276
296 ata_chk_status(ap); /* clear ATA interrupt */ 277 ap->ops->sff_check_status(ap); /* clear ATA interrupt */
297 ata_port_printk(ap, KERN_WARNING, "unhandled " 278 ata_port_printk(ap, KERN_WARNING, "unhandled "
298 "interrupt, irq_stat=%x\n", irq_stat); 279 "interrupt, irq_stat=%x\n", irq_stat);
299 return; 280 return;
@@ -370,12 +351,12 @@ static unsigned int inic_qc_issue(struct ata_queued_cmd *qc)
370 */ 351 */
371 if (unlikely(qc->tf.command == ATA_CMD_ID_ATA || 352 if (unlikely(qc->tf.command == ATA_CMD_ID_ATA ||
372 qc->tf.command == ATA_CMD_ID_ATAPI)) { 353 qc->tf.command == ATA_CMD_ID_ATAPI)) {
373 u8 stat = ata_chk_status(ap); 354 u8 stat = ap->ops->sff_check_status(ap);
374 if (stat == 0x7f || stat == 0xff) 355 if (stat == 0x7f || stat == 0xff)
375 return AC_ERR_HSM; 356 return AC_ERR_HSM;
376 } 357 }
377 358
378 return ata_qc_issue_prot(qc); 359 return ata_sff_qc_issue(qc);
379} 360}
380 361
381static void inic_freeze(struct ata_port *ap) 362static void inic_freeze(struct ata_port *ap)
@@ -384,7 +365,7 @@ static void inic_freeze(struct ata_port *ap)
384 365
385 __inic_set_pirq_mask(ap, PIRQ_MASK_FREEZE); 366 __inic_set_pirq_mask(ap, PIRQ_MASK_FREEZE);
386 367
387 ata_chk_status(ap); 368 ap->ops->sff_check_status(ap);
388 writeb(0xff, port_base + PORT_IRQ_STAT); 369 writeb(0xff, port_base + PORT_IRQ_STAT);
389 370
390 readb(port_base + PORT_IRQ_STAT); /* flush */ 371 readb(port_base + PORT_IRQ_STAT); /* flush */
@@ -394,7 +375,7 @@ static void inic_thaw(struct ata_port *ap)
394{ 375{
395 void __iomem *port_base = inic_port_base(ap); 376 void __iomem *port_base = inic_port_base(ap);
396 377
397 ata_chk_status(ap); 378 ap->ops->sff_check_status(ap);
398 writeb(0xff, port_base + PORT_IRQ_STAT); 379 writeb(0xff, port_base + PORT_IRQ_STAT);
399 380
400 __inic_set_pirq_mask(ap, PIRQ_MASK_OTHER); 381 __inic_set_pirq_mask(ap, PIRQ_MASK_OTHER);
@@ -436,10 +417,8 @@ static int inic_hardreset(struct ata_link *link, unsigned int *class,
436 if (ata_link_online(link)) { 417 if (ata_link_online(link)) {
437 struct ata_taskfile tf; 418 struct ata_taskfile tf;
438 419
439 /* wait a while before checking status */ 420 /* wait for link to become ready */
440 ata_wait_after_reset(ap, deadline); 421 rc = ata_sff_wait_after_reset(link, 1, deadline);
441
442 rc = ata_wait_ready(ap, deadline);
443 /* link occupied, -ENODEV too is an error */ 422 /* link occupied, -ENODEV too is an error */
444 if (rc) { 423 if (rc) {
445 ata_link_printk(link, KERN_WARNING, "device not ready " 424 ata_link_printk(link, KERN_WARNING, "device not ready "
@@ -447,10 +426,8 @@ static int inic_hardreset(struct ata_link *link, unsigned int *class,
447 return rc; 426 return rc;
448 } 427 }
449 428
450 ata_tf_read(ap, &tf); 429 ata_sff_tf_read(ap, &tf);
451 *class = ata_dev_classify(&tf); 430 *class = ata_dev_classify(&tf);
452 if (*class == ATA_DEV_UNKNOWN)
453 *class = ATA_DEV_NONE;
454 } 431 }
455 432
456 return 0; 433 return 0;
@@ -471,8 +448,7 @@ static void inic_error_handler(struct ata_port *ap)
471 spin_unlock_irqrestore(ap->lock, flags); 448 spin_unlock_irqrestore(ap->lock, flags);
472 449
473 /* PIO and DMA engines have been stopped, perform recovery */ 450 /* PIO and DMA engines have been stopped, perform recovery */
474 ata_do_eh(ap, ata_std_prereset, NULL, inic_hardreset, 451 ata_std_error_handler(ap);
475 ata_std_postreset);
476} 452}
477 453
478static void inic_post_internal_cmd(struct ata_queued_cmd *qc) 454static void inic_post_internal_cmd(struct ata_queued_cmd *qc)
@@ -541,35 +517,26 @@ static int inic_port_start(struct ata_port *ap)
541} 517}
542 518
543static struct ata_port_operations inic_port_ops = { 519static struct ata_port_operations inic_port_ops = {
544 .tf_load = ata_tf_load, 520 .inherits = &ata_sff_port_ops,
545 .tf_read = ata_tf_read,
546 .check_status = ata_check_status,
547 .exec_command = ata_exec_command,
548 .dev_select = ata_std_dev_select,
549
550 .scr_read = inic_scr_read,
551 .scr_write = inic_scr_write,
552 521
553 .bmdma_setup = inic_bmdma_setup, 522 .bmdma_setup = inic_bmdma_setup,
554 .bmdma_start = inic_bmdma_start, 523 .bmdma_start = inic_bmdma_start,
555 .bmdma_stop = inic_bmdma_stop, 524 .bmdma_stop = inic_bmdma_stop,
556 .bmdma_status = inic_bmdma_status, 525 .bmdma_status = inic_bmdma_status,
557
558 .irq_clear = inic_irq_clear,
559 .irq_on = ata_irq_on,
560
561 .qc_prep = ata_qc_prep,
562 .qc_issue = inic_qc_issue, 526 .qc_issue = inic_qc_issue,
563 .data_xfer = ata_data_xfer,
564 527
565 .freeze = inic_freeze, 528 .freeze = inic_freeze,
566 .thaw = inic_thaw, 529 .thaw = inic_thaw,
530 .softreset = ATA_OP_NULL, /* softreset is broken */
531 .hardreset = inic_hardreset,
567 .error_handler = inic_error_handler, 532 .error_handler = inic_error_handler,
568 .post_internal_cmd = inic_post_internal_cmd, 533 .post_internal_cmd = inic_post_internal_cmd,
569 .dev_config = inic_dev_config, 534 .dev_config = inic_dev_config,
570 535
571 .port_resume = inic_port_resume, 536 .scr_read = inic_scr_read,
537 .scr_write = inic_scr_write,
572 538
539 .port_resume = inic_port_resume,
573 .port_start = inic_port_start, 540 .port_start = inic_port_start,
574}; 541};
575 542
@@ -692,7 +659,7 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
692 ((unsigned long)iomap[2 * i + 1] | ATA_PCI_CTL_OFS); 659 ((unsigned long)iomap[2 * i + 1] | ATA_PCI_CTL_OFS);
693 port->scr_addr = iomap[MMIO_BAR] + offset + PORT_SCR; 660 port->scr_addr = iomap[MMIO_BAR] + offset + PORT_SCR;
694 661
695 ata_std_ports(port); 662 ata_sff_std_ports(port);
696 663
697 ata_port_pbar_desc(ap, MMIO_BAR, -1, "mmio"); 664 ata_port_pbar_desc(ap, MMIO_BAR, -1, "mmio");
698 ata_port_pbar_desc(ap, MMIO_BAR, offset, "port"); 665 ata_port_pbar_desc(ap, MMIO_BAR, offset, "port");
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 6ebebde8454a..05ff8c776497 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1,6 +1,7 @@
1/* 1/*
2 * sata_mv.c - Marvell SATA support 2 * sata_mv.c - Marvell SATA support
3 * 3 *
4 * Copyright 2008: Marvell Corporation, all rights reserved.
4 * Copyright 2005: EMC Corporation, all rights reserved. 5 * Copyright 2005: EMC Corporation, all rights reserved.
5 * Copyright 2005 Red Hat, Inc. All rights reserved. 6 * Copyright 2005 Red Hat, Inc. All rights reserved.
6 * 7 *
@@ -39,7 +40,9 @@
39 40
40 5) Investigate problems with PCI Message Signalled Interrupts (MSI). 41 5) Investigate problems with PCI Message Signalled Interrupts (MSI).
41 42
42 6) Add port multiplier support (intermediate) 43 6) Cache frequently-accessed registers in mv_port_priv to reduce overhead.
44
45 7) Fix/reenable hot plug/unplug (should happen as a side-effect of (2) above).
43 46
44 8) Develop a low-power-consumption strategy, and implement it. 47 8) Develop a low-power-consumption strategy, and implement it.
45 48
@@ -61,7 +64,6 @@
61 64
62*/ 65*/
63 66
64
65#include <linux/kernel.h> 67#include <linux/kernel.h>
66#include <linux/module.h> 68#include <linux/module.h>
67#include <linux/pci.h> 69#include <linux/pci.h>
@@ -131,7 +133,7 @@ enum {
131 MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */ 133 MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */
132 MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */ 134 MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */
133 /* SoC integrated controllers, no PCI interface */ 135 /* SoC integrated controllers, no PCI interface */
134 MV_FLAG_SOC = (1 << 28), 136 MV_FLAG_SOC = (1 << 28),
135 137
136 MV_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 138 MV_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
137 ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI | 139 ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI |
@@ -141,6 +143,7 @@ enum {
141 CRQB_FLAG_READ = (1 << 0), 143 CRQB_FLAG_READ = (1 << 0),
142 CRQB_TAG_SHIFT = 1, 144 CRQB_TAG_SHIFT = 1,
143 CRQB_IOID_SHIFT = 6, /* CRQB Gen-II/IIE IO Id shift */ 145 CRQB_IOID_SHIFT = 6, /* CRQB Gen-II/IIE IO Id shift */
146 CRQB_PMP_SHIFT = 12, /* CRQB Gen-II/IIE PMP shift */
144 CRQB_HOSTQ_SHIFT = 17, /* CRQB Gen-II/IIE HostQueTag shift */ 147 CRQB_HOSTQ_SHIFT = 17, /* CRQB Gen-II/IIE HostQueTag shift */
145 CRQB_CMD_ADDR_SHIFT = 8, 148 CRQB_CMD_ADDR_SHIFT = 8,
146 CRQB_CMD_CS = (0x2 << 11), 149 CRQB_CMD_CS = (0x2 << 11),
@@ -199,7 +202,7 @@ enum {
199 TWSI_INT = (1 << 24), 202 TWSI_INT = (1 << 24),
200 HC_MAIN_RSVD = (0x7f << 25), /* bits 31-25 */ 203 HC_MAIN_RSVD = (0x7f << 25), /* bits 31-25 */
201 HC_MAIN_RSVD_5 = (0x1fff << 19), /* bits 31-19 */ 204 HC_MAIN_RSVD_5 = (0x1fff << 19), /* bits 31-19 */
202 HC_MAIN_RSVD_SOC = (0x3fffffb << 6), /* bits 31-9, 7-6 */ 205 HC_MAIN_RSVD_SOC = (0x3fffffb << 6), /* bits 31-9, 7-6 */
203 HC_MAIN_MASKED_IRQS = (TRAN_LO_DONE | TRAN_HI_DONE | 206 HC_MAIN_MASKED_IRQS = (TRAN_LO_DONE | TRAN_HI_DONE |
204 PORTS_0_7_COAL_DONE | GPIO_INT | TWSI_INT | 207 PORTS_0_7_COAL_DONE | GPIO_INT | TWSI_INT |
205 HC_MAIN_RSVD), 208 HC_MAIN_RSVD),
@@ -223,13 +226,24 @@ enum {
223 SATA_STATUS_OFS = 0x300, /* ctrl, err regs follow status */ 226 SATA_STATUS_OFS = 0x300, /* ctrl, err regs follow status */
224 SATA_ACTIVE_OFS = 0x350, 227 SATA_ACTIVE_OFS = 0x350,
225 SATA_FIS_IRQ_CAUSE_OFS = 0x364, 228 SATA_FIS_IRQ_CAUSE_OFS = 0x364,
229
230 LTMODE_OFS = 0x30c,
231 LTMODE_BIT8 = (1 << 8), /* unknown, but necessary */
232
226 PHY_MODE3 = 0x310, 233 PHY_MODE3 = 0x310,
227 PHY_MODE4 = 0x314, 234 PHY_MODE4 = 0x314,
228 PHY_MODE2 = 0x330, 235 PHY_MODE2 = 0x330,
236 SATA_IFCTL_OFS = 0x344,
237 SATA_IFSTAT_OFS = 0x34c,
238 VENDOR_UNIQUE_FIS_OFS = 0x35c,
239
240 FIS_CFG_OFS = 0x360,
241 FIS_CFG_SINGLE_SYNC = (1 << 16), /* SYNC on DMA activation */
242
229 MV5_PHY_MODE = 0x74, 243 MV5_PHY_MODE = 0x74,
230 MV5_LT_MODE = 0x30, 244 MV5_LT_MODE = 0x30,
231 MV5_PHY_CTL = 0x0C, 245 MV5_PHY_CTL = 0x0C,
232 SATA_INTERFACE_CTL = 0x050, 246 SATA_INTERFACE_CFG = 0x050,
233 247
234 MV_M2_PREAMP_MASK = 0x7e0, 248 MV_M2_PREAMP_MASK = 0x7e0,
235 249
@@ -240,6 +254,8 @@ enum {
240 EDMA_CFG_NCQ_GO_ON_ERR = (1 << 14), /* continue on error */ 254 EDMA_CFG_NCQ_GO_ON_ERR = (1 << 14), /* continue on error */
241 EDMA_CFG_RD_BRST_EXT = (1 << 11), /* read burst 512B */ 255 EDMA_CFG_RD_BRST_EXT = (1 << 11), /* read burst 512B */
242 EDMA_CFG_WR_BUFF_LEN = (1 << 13), /* write buffer 512B */ 256 EDMA_CFG_WR_BUFF_LEN = (1 << 13), /* write buffer 512B */
257 EDMA_CFG_EDMA_FBS = (1 << 16), /* EDMA FIS-Based Switching */
258 EDMA_CFG_FBS = (1 << 26), /* FIS-Based Switching */
243 259
244 EDMA_ERR_IRQ_CAUSE_OFS = 0x8, 260 EDMA_ERR_IRQ_CAUSE_OFS = 0x8,
245 EDMA_ERR_IRQ_MASK_OFS = 0xc, 261 EDMA_ERR_IRQ_MASK_OFS = 0xc,
@@ -282,7 +298,9 @@ enum {
282 EDMA_ERR_IRQ_TRANSIENT = EDMA_ERR_LNK_CTRL_RX_0 | 298 EDMA_ERR_IRQ_TRANSIENT = EDMA_ERR_LNK_CTRL_RX_0 |
283 EDMA_ERR_LNK_CTRL_RX_1 | 299 EDMA_ERR_LNK_CTRL_RX_1 |
284 EDMA_ERR_LNK_CTRL_RX_3 | 300 EDMA_ERR_LNK_CTRL_RX_3 |
285 EDMA_ERR_LNK_CTRL_TX, 301 EDMA_ERR_LNK_CTRL_TX |
302 /* temporary, until we fix hotplug: */
303 (EDMA_ERR_DEV_DCON | EDMA_ERR_DEV_CON),
286 304
287 EDMA_EH_FREEZE = EDMA_ERR_D_PAR | 305 EDMA_EH_FREEZE = EDMA_ERR_D_PAR |
288 EDMA_ERR_PRD_PAR | 306 EDMA_ERR_PRD_PAR |
@@ -298,6 +316,7 @@ enum {
298 EDMA_ERR_LNK_DATA_RX | 316 EDMA_ERR_LNK_DATA_RX |
299 EDMA_ERR_LNK_DATA_TX | 317 EDMA_ERR_LNK_DATA_TX |
300 EDMA_ERR_TRANS_PROTO, 318 EDMA_ERR_TRANS_PROTO,
319
301 EDMA_EH_FREEZE_5 = EDMA_ERR_D_PAR | 320 EDMA_EH_FREEZE_5 = EDMA_ERR_D_PAR |
302 EDMA_ERR_PRD_PAR | 321 EDMA_ERR_PRD_PAR |
303 EDMA_ERR_DEV_DCON | 322 EDMA_ERR_DEV_DCON |
@@ -344,7 +363,6 @@ enum {
344 /* Port private flags (pp_flags) */ 363 /* Port private flags (pp_flags) */
345 MV_PP_FLAG_EDMA_EN = (1 << 0), /* is EDMA engine enabled? */ 364 MV_PP_FLAG_EDMA_EN = (1 << 0), /* is EDMA engine enabled? */
346 MV_PP_FLAG_NCQ_EN = (1 << 1), /* is EDMA set up for NCQ? */ 365 MV_PP_FLAG_NCQ_EN = (1 << 1), /* is EDMA set up for NCQ? */
347 MV_PP_FLAG_HAD_A_RESET = (1 << 2), /* 1st hard reset complete? */
348}; 366};
349 367
350#define IS_GEN_I(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_I) 368#define IS_GEN_I(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_I)
@@ -461,7 +479,6 @@ struct mv_hw_ops {
461 void (*reset_bus)(struct ata_host *host, void __iomem *mmio); 479 void (*reset_bus)(struct ata_host *host, void __iomem *mmio);
462}; 480};
463 481
464static void mv_irq_clear(struct ata_port *ap);
465static int mv_scr_read(struct ata_port *ap, unsigned int sc_reg_in, u32 *val); 482static int mv_scr_read(struct ata_port *ap, unsigned int sc_reg_in, u32 *val);
466static int mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val); 483static int mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val);
467static int mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in, u32 *val); 484static int mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in, u32 *val);
@@ -471,7 +488,8 @@ static void mv_port_stop(struct ata_port *ap);
471static void mv_qc_prep(struct ata_queued_cmd *qc); 488static void mv_qc_prep(struct ata_queued_cmd *qc);
472static void mv_qc_prep_iie(struct ata_queued_cmd *qc); 489static void mv_qc_prep_iie(struct ata_queued_cmd *qc);
473static unsigned int mv_qc_issue(struct ata_queued_cmd *qc); 490static unsigned int mv_qc_issue(struct ata_queued_cmd *qc);
474static void mv_error_handler(struct ata_port *ap); 491static int mv_hardreset(struct ata_link *link, unsigned int *class,
492 unsigned long deadline);
475static void mv_eh_freeze(struct ata_port *ap); 493static void mv_eh_freeze(struct ata_port *ap);
476static void mv_eh_thaw(struct ata_port *ap); 494static void mv_eh_thaw(struct ata_port *ap);
477static void mv6_dev_config(struct ata_device *dev); 495static void mv6_dev_config(struct ata_device *dev);
@@ -504,72 +522,46 @@ static void mv_soc_reset_flash(struct mv_host_priv *hpriv,
504 void __iomem *mmio); 522 void __iomem *mmio);
505static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio); 523static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio);
506static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio); 524static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio);
507static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio, 525static void mv_reset_channel(struct mv_host_priv *hpriv, void __iomem *mmio,
508 unsigned int port_no); 526 unsigned int port_no);
509static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv, 527static int mv_stop_edma(struct ata_port *ap);
510 void __iomem *port_mmio, int want_ncq); 528static int mv_stop_edma_engine(void __iomem *port_mmio);
511static int __mv_stop_dma(struct ata_port *ap); 529static void mv_edma_cfg(struct ata_port *ap, int want_ncq);
530
531static void mv_pmp_select(struct ata_port *ap, int pmp);
532static int mv_pmp_hardreset(struct ata_link *link, unsigned int *class,
533 unsigned long deadline);
534static int mv_softreset(struct ata_link *link, unsigned int *class,
535 unsigned long deadline);
512 536
513/* .sg_tablesize is (MV_MAX_SG_CT / 2) in the structures below 537/* .sg_tablesize is (MV_MAX_SG_CT / 2) in the structures below
514 * because we have to allow room for worst case splitting of 538 * because we have to allow room for worst case splitting of
515 * PRDs for 64K boundaries in mv_fill_sg(). 539 * PRDs for 64K boundaries in mv_fill_sg().
516 */ 540 */
517static struct scsi_host_template mv5_sht = { 541static struct scsi_host_template mv5_sht = {
518 .module = THIS_MODULE, 542 ATA_BASE_SHT(DRV_NAME),
519 .name = DRV_NAME,
520 .ioctl = ata_scsi_ioctl,
521 .queuecommand = ata_scsi_queuecmd,
522 .can_queue = ATA_DEF_QUEUE,
523 .this_id = ATA_SHT_THIS_ID,
524 .sg_tablesize = MV_MAX_SG_CT / 2, 543 .sg_tablesize = MV_MAX_SG_CT / 2,
525 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
526 .emulated = ATA_SHT_EMULATED,
527 .use_clustering = 1,
528 .proc_name = DRV_NAME,
529 .dma_boundary = MV_DMA_BOUNDARY, 544 .dma_boundary = MV_DMA_BOUNDARY,
530 .slave_configure = ata_scsi_slave_config,
531 .slave_destroy = ata_scsi_slave_destroy,
532 .bios_param = ata_std_bios_param,
533}; 545};
534 546
535static struct scsi_host_template mv6_sht = { 547static struct scsi_host_template mv6_sht = {
536 .module = THIS_MODULE, 548 ATA_NCQ_SHT(DRV_NAME),
537 .name = DRV_NAME,
538 .ioctl = ata_scsi_ioctl,
539 .queuecommand = ata_scsi_queuecmd,
540 .change_queue_depth = ata_scsi_change_queue_depth,
541 .can_queue = MV_MAX_Q_DEPTH - 1, 549 .can_queue = MV_MAX_Q_DEPTH - 1,
542 .this_id = ATA_SHT_THIS_ID,
543 .sg_tablesize = MV_MAX_SG_CT / 2, 550 .sg_tablesize = MV_MAX_SG_CT / 2,
544 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
545 .emulated = ATA_SHT_EMULATED,
546 .use_clustering = 1,
547 .proc_name = DRV_NAME,
548 .dma_boundary = MV_DMA_BOUNDARY, 551 .dma_boundary = MV_DMA_BOUNDARY,
549 .slave_configure = ata_scsi_slave_config,
550 .slave_destroy = ata_scsi_slave_destroy,
551 .bios_param = ata_std_bios_param,
552}; 552};
553 553
554static const struct ata_port_operations mv5_ops = { 554static struct ata_port_operations mv5_ops = {
555 .tf_load = ata_tf_load, 555 .inherits = &ata_sff_port_ops,
556 .tf_read = ata_tf_read,
557 .check_status = ata_check_status,
558 .exec_command = ata_exec_command,
559 .dev_select = ata_std_dev_select,
560
561 .cable_detect = ata_cable_sata,
562 556
563 .qc_prep = mv_qc_prep, 557 .qc_prep = mv_qc_prep,
564 .qc_issue = mv_qc_issue, 558 .qc_issue = mv_qc_issue,
565 .data_xfer = ata_data_xfer,
566
567 .irq_clear = mv_irq_clear,
568 .irq_on = ata_irq_on,
569 559
570 .error_handler = mv_error_handler,
571 .freeze = mv_eh_freeze, 560 .freeze = mv_eh_freeze,
572 .thaw = mv_eh_thaw, 561 .thaw = mv_eh_thaw,
562 .hardreset = mv_hardreset,
563 .error_handler = ata_std_error_handler, /* avoid SFF EH */
564 .post_internal_cmd = ATA_OP_NULL,
573 565
574 .scr_read = mv5_scr_read, 566 .scr_read = mv5_scr_read,
575 .scr_write = mv5_scr_write, 567 .scr_write = mv5_scr_write,
@@ -578,61 +570,24 @@ static const struct ata_port_operations mv5_ops = {
578 .port_stop = mv_port_stop, 570 .port_stop = mv_port_stop,
579}; 571};
580 572
581static const struct ata_port_operations mv6_ops = { 573static struct ata_port_operations mv6_ops = {
574 .inherits = &mv5_ops,
575 .qc_defer = sata_pmp_qc_defer_cmd_switch,
582 .dev_config = mv6_dev_config, 576 .dev_config = mv6_dev_config,
583 .tf_load = ata_tf_load,
584 .tf_read = ata_tf_read,
585 .check_status = ata_check_status,
586 .exec_command = ata_exec_command,
587 .dev_select = ata_std_dev_select,
588
589 .cable_detect = ata_cable_sata,
590
591 .qc_prep = mv_qc_prep,
592 .qc_issue = mv_qc_issue,
593 .data_xfer = ata_data_xfer,
594
595 .irq_clear = mv_irq_clear,
596 .irq_on = ata_irq_on,
597
598 .error_handler = mv_error_handler,
599 .freeze = mv_eh_freeze,
600 .thaw = mv_eh_thaw,
601 .qc_defer = ata_std_qc_defer,
602
603 .scr_read = mv_scr_read, 577 .scr_read = mv_scr_read,
604 .scr_write = mv_scr_write, 578 .scr_write = mv_scr_write,
605 579
606 .port_start = mv_port_start, 580 .pmp_hardreset = mv_pmp_hardreset,
607 .port_stop = mv_port_stop, 581 .pmp_softreset = mv_softreset,
582 .softreset = mv_softreset,
583 .error_handler = sata_pmp_error_handler,
608}; 584};
609 585
610static const struct ata_port_operations mv_iie_ops = { 586static struct ata_port_operations mv_iie_ops = {
611 .tf_load = ata_tf_load, 587 .inherits = &mv6_ops,
612 .tf_read = ata_tf_read, 588 .qc_defer = ata_std_qc_defer, /* FIS-based switching */
613 .check_status = ata_check_status, 589 .dev_config = ATA_OP_NULL,
614 .exec_command = ata_exec_command,
615 .dev_select = ata_std_dev_select,
616
617 .cable_detect = ata_cable_sata,
618
619 .qc_prep = mv_qc_prep_iie, 590 .qc_prep = mv_qc_prep_iie,
620 .qc_issue = mv_qc_issue,
621 .data_xfer = ata_data_xfer,
622
623 .irq_clear = mv_irq_clear,
624 .irq_on = ata_irq_on,
625
626 .error_handler = mv_error_handler,
627 .freeze = mv_eh_freeze,
628 .thaw = mv_eh_thaw,
629 .qc_defer = ata_std_qc_defer,
630
631 .scr_read = mv_scr_read,
632 .scr_write = mv_scr_write,
633
634 .port_start = mv_port_start,
635 .port_stop = mv_port_stop,
636}; 591};
637 592
638static const struct ata_port_info mv_port_info[] = { 593static const struct ata_port_info mv_port_info[] = {
@@ -656,6 +611,7 @@ static const struct ata_port_info mv_port_info[] = {
656 }, 611 },
657 { /* chip_604x */ 612 { /* chip_604x */
658 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | 613 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS |
614 ATA_FLAG_PMP | ATA_FLAG_ACPI_SATA |
659 ATA_FLAG_NCQ, 615 ATA_FLAG_NCQ,
660 .pio_mask = 0x1f, /* pio0-4 */ 616 .pio_mask = 0x1f, /* pio0-4 */
661 .udma_mask = ATA_UDMA6, 617 .udma_mask = ATA_UDMA6,
@@ -663,6 +619,7 @@ static const struct ata_port_info mv_port_info[] = {
663 }, 619 },
664 { /* chip_608x */ 620 { /* chip_608x */
665 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | 621 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS |
622 ATA_FLAG_PMP | ATA_FLAG_ACPI_SATA |
666 ATA_FLAG_NCQ | MV_FLAG_DUAL_HC, 623 ATA_FLAG_NCQ | MV_FLAG_DUAL_HC,
667 .pio_mask = 0x1f, /* pio0-4 */ 624 .pio_mask = 0x1f, /* pio0-4 */
668 .udma_mask = ATA_UDMA6, 625 .udma_mask = ATA_UDMA6,
@@ -670,6 +627,7 @@ static const struct ata_port_info mv_port_info[] = {
670 }, 627 },
671 { /* chip_6042 */ 628 { /* chip_6042 */
672 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | 629 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS |
630 ATA_FLAG_PMP | ATA_FLAG_ACPI_SATA |
673 ATA_FLAG_NCQ, 631 ATA_FLAG_NCQ,
674 .pio_mask = 0x1f, /* pio0-4 */ 632 .pio_mask = 0x1f, /* pio0-4 */
675 .udma_mask = ATA_UDMA6, 633 .udma_mask = ATA_UDMA6,
@@ -677,16 +635,19 @@ static const struct ata_port_info mv_port_info[] = {
677 }, 635 },
678 { /* chip_7042 */ 636 { /* chip_7042 */
679 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | 637 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS |
638 ATA_FLAG_PMP | ATA_FLAG_ACPI_SATA |
680 ATA_FLAG_NCQ, 639 ATA_FLAG_NCQ,
681 .pio_mask = 0x1f, /* pio0-4 */ 640 .pio_mask = 0x1f, /* pio0-4 */
682 .udma_mask = ATA_UDMA6, 641 .udma_mask = ATA_UDMA6,
683 .port_ops = &mv_iie_ops, 642 .port_ops = &mv_iie_ops,
684 }, 643 },
685 { /* chip_soc */ 644 { /* chip_soc */
686 .flags = MV_COMMON_FLAGS | MV_FLAG_SOC, 645 .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS |
687 .pio_mask = 0x1f, /* pio0-4 */ 646 ATA_FLAG_PMP | ATA_FLAG_ACPI_SATA |
688 .udma_mask = ATA_UDMA6, 647 ATA_FLAG_NCQ | MV_FLAG_SOC,
689 .port_ops = &mv_iie_ops, 648 .pio_mask = 0x1f, /* pio0-4 */
649 .udma_mask = ATA_UDMA6,
650 .port_ops = &mv_iie_ops,
690 }, 651 },
691}; 652};
692 653
@@ -785,6 +746,14 @@ static inline void __iomem *mv_port_base(void __iomem *base, unsigned int port)
785 (mv_hardport_from_port(port) * MV_PORT_REG_SZ); 746 (mv_hardport_from_port(port) * MV_PORT_REG_SZ);
786} 747}
787 748
749static void __iomem *mv5_phy_base(void __iomem *mmio, unsigned int port)
750{
751 void __iomem *hc_mmio = mv_hc_base_from_port(mmio, port);
752 unsigned long ofs = (mv_hardport_from_port(port) + 1) * 0x100UL;
753
754 return hc_mmio + ofs;
755}
756
788static inline void __iomem *mv_host_base(struct ata_host *host) 757static inline void __iomem *mv_host_base(struct ata_host *host)
789{ 758{
790 struct mv_host_priv *hpriv = host->private_data; 759 struct mv_host_priv *hpriv = host->private_data;
@@ -801,10 +770,6 @@ static inline int mv_get_hc_count(unsigned long port_flags)
801 return ((port_flags & MV_FLAG_DUAL_HC) ? 2 : 1); 770 return ((port_flags & MV_FLAG_DUAL_HC) ? 2 : 1);
802} 771}
803 772
804static void mv_irq_clear(struct ata_port *ap)
805{
806}
807
808static void mv_set_edma_ptrs(void __iomem *port_mmio, 773static void mv_set_edma_ptrs(void __iomem *port_mmio,
809 struct mv_host_priv *hpriv, 774 struct mv_host_priv *hpriv,
810 struct mv_port_priv *pp) 775 struct mv_port_priv *pp)
@@ -864,7 +829,7 @@ static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio,
864 if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) { 829 if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) {
865 int using_ncq = ((pp->pp_flags & MV_PP_FLAG_NCQ_EN) != 0); 830 int using_ncq = ((pp->pp_flags & MV_PP_FLAG_NCQ_EN) != 0);
866 if (want_ncq != using_ncq) 831 if (want_ncq != using_ncq)
867 __mv_stop_dma(ap); 832 mv_stop_edma(ap);
868 } 833 }
869 if (!(pp->pp_flags & MV_PP_FLAG_EDMA_EN)) { 834 if (!(pp->pp_flags & MV_PP_FLAG_EDMA_EN)) {
870 struct mv_host_priv *hpriv = ap->host->private_data; 835 struct mv_host_priv *hpriv = ap->host->private_data;
@@ -885,7 +850,7 @@ static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio,
885 hc_mmio + HC_IRQ_CAUSE_OFS); 850 hc_mmio + HC_IRQ_CAUSE_OFS);
886 } 851 }
887 852
888 mv_edma_cfg(pp, hpriv, port_mmio, want_ncq); 853 mv_edma_cfg(ap, want_ncq);
889 854
890 /* clear FIS IRQ Cause */ 855 /* clear FIS IRQ Cause */
891 writelfl(0, port_mmio + SATA_FIS_IRQ_CAUSE_OFS); 856 writelfl(0, port_mmio + SATA_FIS_IRQ_CAUSE_OFS);
@@ -899,58 +864,42 @@ static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio,
899} 864}
900 865
901/** 866/**
902 * __mv_stop_dma - Disable eDMA engine 867 * mv_stop_edma_engine - Disable eDMA engine
903 * @ap: ATA channel to manipulate 868 * @port_mmio: io base address
904 *
905 * Verify the local cache of the eDMA state is accurate with a
906 * WARN_ON.
907 * 869 *
908 * LOCKING: 870 * LOCKING:
909 * Inherited from caller. 871 * Inherited from caller.
910 */ 872 */
911static int __mv_stop_dma(struct ata_port *ap) 873static int mv_stop_edma_engine(void __iomem *port_mmio)
912{ 874{
913 void __iomem *port_mmio = mv_ap_base(ap); 875 int i;
914 struct mv_port_priv *pp = ap->private_data;
915 u32 reg;
916 int i, err = 0;
917 876
918 if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) { 877 /* Disable eDMA. The disable bit auto clears. */
919 /* Disable EDMA if active. The disable bit auto clears. 878 writelfl(EDMA_DS, port_mmio + EDMA_CMD_OFS);
920 */
921 writelfl(EDMA_DS, port_mmio + EDMA_CMD_OFS);
922 pp->pp_flags &= ~MV_PP_FLAG_EDMA_EN;
923 } else {
924 WARN_ON(EDMA_EN & readl(port_mmio + EDMA_CMD_OFS));
925 }
926 879
927 /* now properly wait for the eDMA to stop */ 880 /* Wait for the chip to confirm eDMA is off. */
928 for (i = 1000; i > 0; i--) { 881 for (i = 10000; i > 0; i--) {
929 reg = readl(port_mmio + EDMA_CMD_OFS); 882 u32 reg = readl(port_mmio + EDMA_CMD_OFS);
930 if (!(reg & EDMA_EN)) 883 if (!(reg & EDMA_EN))
931 break; 884 return 0;
932 885 udelay(10);
933 udelay(100);
934 }
935
936 if (reg & EDMA_EN) {
937 ata_port_printk(ap, KERN_ERR, "Unable to stop eDMA\n");
938 err = -EIO;
939 } 886 }
940 887 return -EIO;
941 return err;
942} 888}
943 889
944static int mv_stop_dma(struct ata_port *ap) 890static int mv_stop_edma(struct ata_port *ap)
945{ 891{
946 unsigned long flags; 892 void __iomem *port_mmio = mv_ap_base(ap);
947 int rc; 893 struct mv_port_priv *pp = ap->private_data;
948
949 spin_lock_irqsave(&ap->host->lock, flags);
950 rc = __mv_stop_dma(ap);
951 spin_unlock_irqrestore(&ap->host->lock, flags);
952 894
953 return rc; 895 if (!(pp->pp_flags & MV_PP_FLAG_EDMA_EN))
896 return 0;
897 pp->pp_flags &= ~MV_PP_FLAG_EDMA_EN;
898 if (mv_stop_edma_engine(port_mmio)) {
899 ata_port_printk(ap, KERN_ERR, "Unable to stop eDMA\n");
900 return -EIO;
901 }
902 return 0;
954} 903}
955 904
956#ifdef ATA_DEBUG 905#ifdef ATA_DEBUG
@@ -1074,18 +1023,50 @@ static int mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val)
1074static void mv6_dev_config(struct ata_device *adev) 1023static void mv6_dev_config(struct ata_device *adev)
1075{ 1024{
1076 /* 1025 /*
1026 * Deal with Gen-II ("mv6") hardware quirks/restrictions:
1027 *
1028 * Gen-II does not support NCQ over a port multiplier
1029 * (no FIS-based switching).
1030 *
1077 * We don't have hob_nsect when doing NCQ commands on Gen-II. 1031 * We don't have hob_nsect when doing NCQ commands on Gen-II.
1078 * See mv_qc_prep() for more info. 1032 * See mv_qc_prep() for more info.
1079 */ 1033 */
1080 if (adev->flags & ATA_DFLAG_NCQ) 1034 if (adev->flags & ATA_DFLAG_NCQ) {
1081 if (adev->max_sectors > ATA_MAX_SECTORS) 1035 if (sata_pmp_attached(adev->link->ap))
1036 adev->flags &= ~ATA_DFLAG_NCQ;
1037 else if (adev->max_sectors > ATA_MAX_SECTORS)
1082 adev->max_sectors = ATA_MAX_SECTORS; 1038 adev->max_sectors = ATA_MAX_SECTORS;
1039 }
1083} 1040}
1084 1041
1085static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv, 1042static void mv_config_fbs(void __iomem *port_mmio, int enable_fbs)
1086 void __iomem *port_mmio, int want_ncq) 1043{
1044 u32 old_fcfg, new_fcfg, old_ltmode, new_ltmode;
1045 /*
1046 * Various bit settings required for operation
1047 * in FIS-based switching (fbs) mode on GenIIe:
1048 */
1049 old_fcfg = readl(port_mmio + FIS_CFG_OFS);
1050 old_ltmode = readl(port_mmio + LTMODE_OFS);
1051 if (enable_fbs) {
1052 new_fcfg = old_fcfg | FIS_CFG_SINGLE_SYNC;
1053 new_ltmode = old_ltmode | LTMODE_BIT8;
1054 } else { /* disable fbs */
1055 new_fcfg = old_fcfg & ~FIS_CFG_SINGLE_SYNC;
1056 new_ltmode = old_ltmode & ~LTMODE_BIT8;
1057 }
1058 if (new_fcfg != old_fcfg)
1059 writelfl(new_fcfg, port_mmio + FIS_CFG_OFS);
1060 if (new_ltmode != old_ltmode)
1061 writelfl(new_ltmode, port_mmio + LTMODE_OFS);
1062}
1063
1064static void mv_edma_cfg(struct ata_port *ap, int want_ncq)
1087{ 1065{
1088 u32 cfg; 1066 u32 cfg;
1067 struct mv_port_priv *pp = ap->private_data;
1068 struct mv_host_priv *hpriv = ap->host->private_data;
1069 void __iomem *port_mmio = mv_ap_base(ap);
1089 1070
1090 /* set up non-NCQ EDMA configuration */ 1071 /* set up non-NCQ EDMA configuration */
1091 cfg = EDMA_CFG_Q_DEPTH; /* always 0x1f for *all* chips */ 1072 cfg = EDMA_CFG_Q_DEPTH; /* always 0x1f for *all* chips */
@@ -1101,6 +1082,13 @@ static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv,
1101 cfg |= (1 << 22); /* enab 4-entry host queue cache */ 1082 cfg |= (1 << 22); /* enab 4-entry host queue cache */
1102 cfg |= (1 << 18); /* enab early completion */ 1083 cfg |= (1 << 18); /* enab early completion */
1103 cfg |= (1 << 17); /* enab cut-through (dis stor&forwrd) */ 1084 cfg |= (1 << 17); /* enab cut-through (dis stor&forwrd) */
1085
1086 if (want_ncq && sata_pmp_attached(ap)) {
1087 cfg |= EDMA_CFG_EDMA_FBS; /* FIS-based switching */
1088 mv_config_fbs(port_mmio, 1);
1089 } else {
1090 mv_config_fbs(port_mmio, 0);
1091 }
1104 } 1092 }
1105 1093
1106 if (want_ncq) { 1094 if (want_ncq) {
@@ -1156,8 +1144,6 @@ static int mv_port_start(struct ata_port *ap)
1156 struct device *dev = ap->host->dev; 1144 struct device *dev = ap->host->dev;
1157 struct mv_host_priv *hpriv = ap->host->private_data; 1145 struct mv_host_priv *hpriv = ap->host->private_data;
1158 struct mv_port_priv *pp; 1146 struct mv_port_priv *pp;
1159 void __iomem *port_mmio = mv_ap_base(ap);
1160 unsigned long flags;
1161 int tag; 1147 int tag;
1162 1148
1163 pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); 1149 pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
@@ -1190,18 +1176,6 @@ static int mv_port_start(struct ata_port *ap)
1190 pp->sg_tbl_dma[tag] = pp->sg_tbl_dma[0]; 1176 pp->sg_tbl_dma[tag] = pp->sg_tbl_dma[0];
1191 } 1177 }
1192 } 1178 }
1193
1194 spin_lock_irqsave(&ap->host->lock, flags);
1195
1196 mv_edma_cfg(pp, hpriv, port_mmio, 0);
1197 mv_set_edma_ptrs(port_mmio, hpriv, pp);
1198
1199 spin_unlock_irqrestore(&ap->host->lock, flags);
1200
1201 /* Don't turn on EDMA here...do it before DMA commands only. Else
1202 * we'll be unable to send non-data, PIO, etc due to restricted access
1203 * to shadow regs.
1204 */
1205 return 0; 1179 return 0;
1206 1180
1207out_port_free_dma_mem: 1181out_port_free_dma_mem:
@@ -1220,7 +1194,7 @@ out_port_free_dma_mem:
1220 */ 1194 */
1221static void mv_port_stop(struct ata_port *ap) 1195static void mv_port_stop(struct ata_port *ap)
1222{ 1196{
1223 mv_stop_dma(ap); 1197 mv_stop_edma(ap);
1224 mv_port_free_dma_mem(ap); 1198 mv_port_free_dma_mem(ap);
1225} 1199}
1226 1200
@@ -1306,6 +1280,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
1306 flags |= CRQB_FLAG_READ; 1280 flags |= CRQB_FLAG_READ;
1307 WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); 1281 WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
1308 flags |= qc->tag << CRQB_TAG_SHIFT; 1282 flags |= qc->tag << CRQB_TAG_SHIFT;
1283 flags |= (qc->dev->link->pmp & 0xf) << CRQB_PMP_SHIFT;
1309 1284
1310 /* get current queue index from software */ 1285 /* get current queue index from software */
1311 in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK; 1286 in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK;
@@ -1390,14 +1365,14 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
1390 (qc->tf.protocol != ATA_PROT_NCQ)) 1365 (qc->tf.protocol != ATA_PROT_NCQ))
1391 return; 1366 return;
1392 1367
1393 /* Fill in Gen IIE command request block 1368 /* Fill in Gen IIE command request block */
1394 */
1395 if (!(qc->tf.flags & ATA_TFLAG_WRITE)) 1369 if (!(qc->tf.flags & ATA_TFLAG_WRITE))
1396 flags |= CRQB_FLAG_READ; 1370 flags |= CRQB_FLAG_READ;
1397 1371
1398 WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); 1372 WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
1399 flags |= qc->tag << CRQB_TAG_SHIFT; 1373 flags |= qc->tag << CRQB_TAG_SHIFT;
1400 flags |= qc->tag << CRQB_HOSTQ_SHIFT; 1374 flags |= qc->tag << CRQB_HOSTQ_SHIFT;
1375 flags |= (qc->dev->link->pmp & 0xf) << CRQB_PMP_SHIFT;
1401 1376
1402 /* get current queue index from software */ 1377 /* get current queue index from software */
1403 in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK; 1378 in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK;
@@ -1455,12 +1430,14 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
1455 1430
1456 if ((qc->tf.protocol != ATA_PROT_DMA) && 1431 if ((qc->tf.protocol != ATA_PROT_DMA) &&
1457 (qc->tf.protocol != ATA_PROT_NCQ)) { 1432 (qc->tf.protocol != ATA_PROT_NCQ)) {
1458 /* We're about to send a non-EDMA capable command to the 1433 /*
1434 * We're about to send a non-EDMA capable command to the
1459 * port. Turn off EDMA so there won't be problems accessing 1435 * port. Turn off EDMA so there won't be problems accessing
1460 * shadow block, etc registers. 1436 * shadow block, etc registers.
1461 */ 1437 */
1462 __mv_stop_dma(ap); 1438 mv_stop_edma(ap);
1463 return ata_qc_issue_prot(qc); 1439 mv_pmp_select(ap, qc->dev->link->pmp);
1440 return ata_sff_qc_issue(qc);
1464 } 1441 }
1465 1442
1466 mv_start_dma(ap, port_mmio, pp, qc->tf.protocol); 1443 mv_start_dma(ap, port_mmio, pp, qc->tf.protocol);
@@ -1482,10 +1459,10 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
1482 * @reset_allowed: bool: 0 == don't trigger from reset here 1459 * @reset_allowed: bool: 0 == don't trigger from reset here
1483 * 1460 *
1484 * In most cases, just clear the interrupt and move on. However, 1461 * In most cases, just clear the interrupt and move on. However,
1485 * some cases require an eDMA reset, which is done right before 1462 * some cases require an eDMA reset, which also performs a COMRESET.
1486 * the COMRESET in mv_phy_reset(). The SERR case requires a 1463 * The SERR case requires a clear of pending errors in the SATA
1487 * clear of pending errors in the SATA SERROR register. Finally, 1464 * SERROR register. Finally, if the port disabled DMA,
1488 * if the port disabled DMA, update our cached copy to match. 1465 * update our cached copy to match.
1489 * 1466 *
1490 * LOCKING: 1467 * LOCKING:
1491 * Inherited from caller. 1468 * Inherited from caller.
@@ -1524,14 +1501,14 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
1524 EDMA_ERR_CRQB_PAR | EDMA_ERR_CRPB_PAR | 1501 EDMA_ERR_CRQB_PAR | EDMA_ERR_CRPB_PAR |
1525 EDMA_ERR_INTRL_PAR)) { 1502 EDMA_ERR_INTRL_PAR)) {
1526 err_mask |= AC_ERR_ATA_BUS; 1503 err_mask |= AC_ERR_ATA_BUS;
1527 action |= ATA_EH_HARDRESET; 1504 action |= ATA_EH_RESET;
1528 ata_ehi_push_desc(ehi, "parity error"); 1505 ata_ehi_push_desc(ehi, "parity error");
1529 } 1506 }
1530 if (edma_err_cause & (EDMA_ERR_DEV_DCON | EDMA_ERR_DEV_CON)) { 1507 if (edma_err_cause & (EDMA_ERR_DEV_DCON | EDMA_ERR_DEV_CON)) {
1531 ata_ehi_hotplugged(ehi); 1508 ata_ehi_hotplugged(ehi);
1532 ata_ehi_push_desc(ehi, edma_err_cause & EDMA_ERR_DEV_DCON ? 1509 ata_ehi_push_desc(ehi, edma_err_cause & EDMA_ERR_DEV_DCON ?
1533 "dev disconnect" : "dev connect"); 1510 "dev disconnect" : "dev connect");
1534 action |= ATA_EH_HARDRESET; 1511 action |= ATA_EH_RESET;
1535 } 1512 }
1536 1513
1537 if (IS_GEN_I(hpriv)) { 1514 if (IS_GEN_I(hpriv)) {
@@ -1555,7 +1532,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
1555 sata_scr_read(&ap->link, SCR_ERROR, &serr); 1532 sata_scr_read(&ap->link, SCR_ERROR, &serr);
1556 sata_scr_write_flush(&ap->link, SCR_ERROR, serr); 1533 sata_scr_write_flush(&ap->link, SCR_ERROR, serr);
1557 err_mask = AC_ERR_ATA_BUS; 1534 err_mask = AC_ERR_ATA_BUS;
1558 action |= ATA_EH_HARDRESET; 1535 action |= ATA_EH_RESET;
1559 } 1536 }
1560 } 1537 }
1561 1538
@@ -1564,7 +1541,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
1564 1541
1565 if (!err_mask) { 1542 if (!err_mask) {
1566 err_mask = AC_ERR_OTHER; 1543 err_mask = AC_ERR_OTHER;
1567 action |= ATA_EH_HARDRESET; 1544 action |= ATA_EH_RESET;
1568 } 1545 }
1569 1546
1570 ehi->serror |= serr; 1547 ehi->serror |= serr;
@@ -1723,9 +1700,9 @@ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc)
1723 pp = ap->private_data; 1700 pp = ap->private_data;
1724 1701
1725 shift = port << 1; /* (port * 2) */ 1702 shift = port << 1; /* (port * 2) */
1726 if (port >= MV_PORTS_PER_HC) { 1703 if (port >= MV_PORTS_PER_HC)
1727 shift++; /* skip bit 8 in the HC Main IRQ reg */ 1704 shift++; /* skip bit 8 in the HC Main IRQ reg */
1728 } 1705
1729 have_err_bits = ((PORT0_ERR << shift) & relevant); 1706 have_err_bits = ((PORT0_ERR << shift) & relevant);
1730 1707
1731 if (unlikely(have_err_bits)) { 1708 if (unlikely(have_err_bits)) {
@@ -1780,7 +1757,7 @@ static void mv_pci_error(struct ata_host *host, void __iomem *mmio)
1780 ata_ehi_push_desc(ehi, 1757 ata_ehi_push_desc(ehi,
1781 "PCI err cause 0x%08x", err_cause); 1758 "PCI err cause 0x%08x", err_cause);
1782 err_mask = AC_ERR_HOST_BUS; 1759 err_mask = AC_ERR_HOST_BUS;
1783 ehi->action = ATA_EH_HARDRESET; 1760 ehi->action = ATA_EH_RESET;
1784 qc = ata_qc_from_tag(ap, ap->link.active_tag); 1761 qc = ata_qc_from_tag(ap, ap->link.active_tag);
1785 if (qc) 1762 if (qc)
1786 qc->err_mask |= err_mask; 1763 qc->err_mask |= err_mask;
@@ -1814,6 +1791,7 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance)
1814 void __iomem *mmio = hpriv->base; 1791 void __iomem *mmio = hpriv->base;
1815 u32 irq_stat, irq_mask; 1792 u32 irq_stat, irq_mask;
1816 1793
1794 /* Note to self: &host->lock == &ap->host->lock == ap->lock */
1817 spin_lock(&host->lock); 1795 spin_lock(&host->lock);
1818 1796
1819 irq_stat = readl(hpriv->main_cause_reg_addr); 1797 irq_stat = readl(hpriv->main_cause_reg_addr);
@@ -1847,14 +1825,6 @@ out_unlock:
1847 return IRQ_RETVAL(handled); 1825 return IRQ_RETVAL(handled);
1848} 1826}
1849 1827
1850static void __iomem *mv5_phy_base(void __iomem *mmio, unsigned int port)
1851{
1852 void __iomem *hc_mmio = mv_hc_base_from_port(mmio, port);
1853 unsigned long ofs = (mv_hardport_from_port(port) + 1) * 0x100UL;
1854
1855 return hc_mmio + ofs;
1856}
1857
1858static unsigned int mv5_scr_offset(unsigned int sc_reg_in) 1828static unsigned int mv5_scr_offset(unsigned int sc_reg_in)
1859{ 1829{
1860 unsigned int ofs; 1830 unsigned int ofs;
@@ -1980,9 +1950,12 @@ static void mv5_reset_hc_port(struct mv_host_priv *hpriv, void __iomem *mmio,
1980{ 1950{
1981 void __iomem *port_mmio = mv_port_base(mmio, port); 1951 void __iomem *port_mmio = mv_port_base(mmio, port);
1982 1952
1983 writelfl(EDMA_DS, port_mmio + EDMA_CMD_OFS); 1953 /*
1984 1954 * The datasheet warns against setting ATA_RST when EDMA is active
1985 mv_channel_reset(hpriv, mmio, port); 1955 * (but doesn't say what the problem might be). So we first try
1956 * to disable the EDMA engine before doing the ATA_RST operation.
1957 */
1958 mv_reset_channel(hpriv, mmio, port);
1986 1959
1987 ZERO(0x028); /* command */ 1960 ZERO(0x028); /* command */
1988 writel(0x11f, port_mmio + EDMA_CFG_OFS); 1961 writel(0x11f, port_mmio + EDMA_CFG_OFS);
@@ -2132,6 +2105,13 @@ static int mv6_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
2132 printk(KERN_ERR DRV_NAME ": can't clear global reset\n"); 2105 printk(KERN_ERR DRV_NAME ": can't clear global reset\n");
2133 rc = 1; 2106 rc = 1;
2134 } 2107 }
2108 /*
2109 * Temporary: wait 3 seconds before port-probing can happen,
2110 * so that we don't miss finding sleepy SilXXXX port-multipliers.
2111 * This can go away once hotplug is fully/correctly implemented.
2112 */
2113 if (rc == 0)
2114 msleep(3000);
2135done: 2115done:
2136 return rc; 2116 return rc;
2137} 2117}
@@ -2200,14 +2180,15 @@ static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
2200 m4 = readl(port_mmio + PHY_MODE4); 2180 m4 = readl(port_mmio + PHY_MODE4);
2201 2181
2202 if (hp_flags & MV_HP_ERRATA_60X1B2) 2182 if (hp_flags & MV_HP_ERRATA_60X1B2)
2203 tmp = readl(port_mmio + 0x310); 2183 tmp = readl(port_mmio + PHY_MODE3);
2204 2184
2185 /* workaround for errata FEr SATA#10 (part 1) */
2205 m4 = (m4 & ~(1 << 1)) | (1 << 0); 2186 m4 = (m4 & ~(1 << 1)) | (1 << 0);
2206 2187
2207 writel(m4, port_mmio + PHY_MODE4); 2188 writel(m4, port_mmio + PHY_MODE4);
2208 2189
2209 if (hp_flags & MV_HP_ERRATA_60X1B2) 2190 if (hp_flags & MV_HP_ERRATA_60X1B2)
2210 writel(tmp, port_mmio + 0x310); 2191 writel(tmp, port_mmio + PHY_MODE3);
2211 } 2192 }
2212 2193
2213 /* Revert values of pre-emphasis and signal amps to the saved ones */ 2194 /* Revert values of pre-emphasis and signal amps to the saved ones */
@@ -2255,9 +2236,12 @@ static void mv_soc_reset_hc_port(struct mv_host_priv *hpriv,
2255{ 2236{
2256 void __iomem *port_mmio = mv_port_base(mmio, port); 2237 void __iomem *port_mmio = mv_port_base(mmio, port);
2257 2238
2258 writelfl(EDMA_DS, port_mmio + EDMA_CMD_OFS); 2239 /*
2259 2240 * The datasheet warns against setting ATA_RST when EDMA is active
2260 mv_channel_reset(hpriv, mmio, port); 2241 * (but doesn't say what the problem might be). So we first try
2242 * to disable the EDMA engine before doing the ATA_RST operation.
2243 */
2244 mv_reset_channel(hpriv, mmio, port);
2261 2245
2262 ZERO(0x028); /* command */ 2246 ZERO(0x028); /* command */
2263 writel(0x101f, port_mmio + EDMA_CFG_OFS); 2247 writel(0x101f, port_mmio + EDMA_CFG_OFS);
@@ -2314,25 +2298,39 @@ static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio)
2314 return; 2298 return;
2315} 2299}
2316 2300
2317static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio, 2301static void mv_setup_ifctl(void __iomem *port_mmio, int want_gen2i)
2302{
2303 u32 ifctl = readl(port_mmio + SATA_INTERFACE_CFG);
2304
2305 ifctl = (ifctl & 0xf7f) | 0x9b1000; /* from chip spec */
2306 if (want_gen2i)
2307 ifctl |= (1 << 7); /* enable gen2i speed */
2308 writelfl(ifctl, port_mmio + SATA_INTERFACE_CFG);
2309}
2310
2311/*
2312 * Caller must ensure that EDMA is not active,
2313 * by first doing mv_stop_edma() where needed.
2314 */
2315static void mv_reset_channel(struct mv_host_priv *hpriv, void __iomem *mmio,
2318 unsigned int port_no) 2316 unsigned int port_no)
2319{ 2317{
2320 void __iomem *port_mmio = mv_port_base(mmio, port_no); 2318 void __iomem *port_mmio = mv_port_base(mmio, port_no);
2321 2319
2320 mv_stop_edma_engine(port_mmio);
2322 writelfl(ATA_RST, port_mmio + EDMA_CMD_OFS); 2321 writelfl(ATA_RST, port_mmio + EDMA_CMD_OFS);
2323 2322
2324 if (IS_GEN_II(hpriv)) { 2323 if (!IS_GEN_I(hpriv)) {
2325 u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL); 2324 /* Enable 3.0gb/s link speed */
2326 ifctl |= (1 << 7); /* enable gen2i speed */ 2325 mv_setup_ifctl(port_mmio, 1);
2327 ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */
2328 writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
2329 } 2326 }
2330 2327 /*
2331 udelay(25); /* allow reset propagation */ 2328 * Strobing ATA_RST here causes a hard reset of the SATA transport,
2332 2329 * link, and physical layers. It resets all SATA interface registers
2333 /* Spec never mentions clearing the bit. Marvell's driver does 2330 * (except for SATA_INTERFACE_CFG), and issues a COMRESET to the dev.
2334 * clear the bit, however.
2335 */ 2331 */
2332 writelfl(ATA_RST, port_mmio + EDMA_CMD_OFS);
2333 udelay(25); /* allow reset propagation */
2336 writelfl(0, port_mmio + EDMA_CMD_OFS); 2334 writelfl(0, port_mmio + EDMA_CMD_OFS);
2337 2335
2338 hpriv->ops->phy_errata(hpriv, mmio, port_no); 2336 hpriv->ops->phy_errata(hpriv, mmio, port_no);
@@ -2341,136 +2339,32 @@ static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio,
2341 mdelay(1); 2339 mdelay(1);
2342} 2340}
2343 2341
2344/** 2342static void mv_pmp_select(struct ata_port *ap, int pmp)
2345 * mv_phy_reset - Perform eDMA reset followed by COMRESET
2346 * @ap: ATA channel to manipulate
2347 *
2348 * Part of this is taken from __sata_phy_reset and modified to
2349 * not sleep since this routine gets called from interrupt level.
2350 *
2351 * LOCKING:
2352 * Inherited from caller. This is coded to safe to call at
2353 * interrupt level, i.e. it does not sleep.
2354 */
2355static void mv_phy_reset(struct ata_port *ap, unsigned int *class,
2356 unsigned long deadline)
2357{ 2343{
2358 struct mv_port_priv *pp = ap->private_data; 2344 if (sata_pmp_supported(ap)) {
2359 struct mv_host_priv *hpriv = ap->host->private_data; 2345 void __iomem *port_mmio = mv_ap_base(ap);
2360 void __iomem *port_mmio = mv_ap_base(ap); 2346 u32 reg = readl(port_mmio + SATA_IFCTL_OFS);
2361 int retry = 5; 2347 int old = reg & 0xf;
2362 u32 sstatus;
2363
2364 VPRINTK("ENTER, port %u, mmio 0x%p\n", ap->port_no, port_mmio);
2365
2366#ifdef DEBUG
2367 {
2368 u32 sstatus, serror, scontrol;
2369
2370 mv_scr_read(ap, SCR_STATUS, &sstatus);
2371 mv_scr_read(ap, SCR_ERROR, &serror);
2372 mv_scr_read(ap, SCR_CONTROL, &scontrol);
2373 DPRINTK("S-regs after ATA_RST: SStat 0x%08x SErr 0x%08x "
2374 "SCtrl 0x%08x\n", sstatus, serror, scontrol);
2375 }
2376#endif
2377
2378 /* Issue COMRESET via SControl */
2379comreset_retry:
2380 sata_scr_write_flush(&ap->link, SCR_CONTROL, 0x301);
2381 msleep(1);
2382
2383 sata_scr_write_flush(&ap->link, SCR_CONTROL, 0x300);
2384 msleep(20);
2385 2348
2386 do { 2349 if (old != pmp) {
2387 sata_scr_read(&ap->link, SCR_STATUS, &sstatus); 2350 reg = (reg & ~0xf) | pmp;
2388 if (((sstatus & 0x3) == 3) || ((sstatus & 0x3) == 0)) 2351 writelfl(reg, port_mmio + SATA_IFCTL_OFS);
2389 break; 2352 }
2390
2391 msleep(1);
2392 } while (time_before(jiffies, deadline));
2393
2394 /* work around errata */
2395 if (IS_GEN_II(hpriv) &&
2396 (sstatus != 0x0) && (sstatus != 0x113) && (sstatus != 0x123) &&
2397 (retry-- > 0))
2398 goto comreset_retry;
2399
2400#ifdef DEBUG
2401 {
2402 u32 sstatus, serror, scontrol;
2403
2404 mv_scr_read(ap, SCR_STATUS, &sstatus);
2405 mv_scr_read(ap, SCR_ERROR, &serror);
2406 mv_scr_read(ap, SCR_CONTROL, &scontrol);
2407 DPRINTK("S-regs after PHY wake: SStat 0x%08x SErr 0x%08x "
2408 "SCtrl 0x%08x\n", sstatus, serror, scontrol);
2409 }
2410#endif
2411
2412 if (ata_link_offline(&ap->link)) {
2413 *class = ATA_DEV_NONE;
2414 return;
2415 }
2416
2417 /* even after SStatus reflects that device is ready,
2418 * it seems to take a while for link to be fully
2419 * established (and thus Status no longer 0x80/0x7F),
2420 * so we poll a bit for that, here.
2421 */
2422 retry = 20;
2423 while (1) {
2424 u8 drv_stat = ata_check_status(ap);
2425 if ((drv_stat != 0x80) && (drv_stat != 0x7f))
2426 break;
2427 msleep(500);
2428 if (retry-- <= 0)
2429 break;
2430 if (time_after(jiffies, deadline))
2431 break;
2432 } 2353 }
2433
2434 /* FIXME: if we passed the deadline, the following
2435 * code probably produces an invalid result
2436 */
2437
2438 /* finally, read device signature from TF registers */
2439 *class = ata_dev_try_classify(ap->link.device, 1, NULL);
2440
2441 writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
2442
2443 WARN_ON(pp->pp_flags & MV_PP_FLAG_EDMA_EN);
2444
2445 VPRINTK("EXIT\n");
2446} 2354}
2447 2355
2448static int mv_prereset(struct ata_link *link, unsigned long deadline) 2356static int mv_pmp_hardreset(struct ata_link *link, unsigned int *class,
2357 unsigned long deadline)
2449{ 2358{
2450 struct ata_port *ap = link->ap; 2359 mv_pmp_select(link->ap, sata_srst_pmp(link));
2451 struct mv_port_priv *pp = ap->private_data; 2360 return sata_std_hardreset(link, class, deadline);
2452 struct ata_eh_context *ehc = &link->eh_context; 2361}
2453 int rc;
2454
2455 rc = mv_stop_dma(ap);
2456 if (rc)
2457 ehc->i.action |= ATA_EH_HARDRESET;
2458
2459 if (!(pp->pp_flags & MV_PP_FLAG_HAD_A_RESET)) {
2460 pp->pp_flags |= MV_PP_FLAG_HAD_A_RESET;
2461 ehc->i.action |= ATA_EH_HARDRESET;
2462 }
2463
2464 /* if we're about to do hardreset, nothing more to do */
2465 if (ehc->i.action & ATA_EH_HARDRESET)
2466 return 0;
2467
2468 if (ata_link_online(link))
2469 rc = ata_wait_ready(ap, deadline);
2470 else
2471 rc = -ENODEV;
2472 2362
2473 return rc; 2363static int mv_softreset(struct ata_link *link, unsigned int *class,
2364 unsigned long deadline)
2365{
2366 mv_pmp_select(link->ap, sata_srst_pmp(link));
2367 return ata_sff_softreset(link, class, deadline);
2474} 2368}
2475 2369
2476static int mv_hardreset(struct ata_link *link, unsigned int *class, 2370static int mv_hardreset(struct ata_link *link, unsigned int *class,
@@ -2478,43 +2372,34 @@ static int mv_hardreset(struct ata_link *link, unsigned int *class,
2478{ 2372{
2479 struct ata_port *ap = link->ap; 2373 struct ata_port *ap = link->ap;
2480 struct mv_host_priv *hpriv = ap->host->private_data; 2374 struct mv_host_priv *hpriv = ap->host->private_data;
2375 struct mv_port_priv *pp = ap->private_data;
2481 void __iomem *mmio = hpriv->base; 2376 void __iomem *mmio = hpriv->base;
2377 int rc, attempts = 0, extra = 0;
2378 u32 sstatus;
2379 bool online;
2482 2380
2483 mv_stop_dma(ap); 2381 mv_reset_channel(hpriv, mmio, ap->port_no);
2484 2382 pp->pp_flags &= ~MV_PP_FLAG_EDMA_EN;
2485 mv_channel_reset(hpriv, mmio, ap->port_no);
2486
2487 mv_phy_reset(ap, class, deadline);
2488
2489 return 0;
2490}
2491
2492static void mv_postreset(struct ata_link *link, unsigned int *classes)
2493{
2494 struct ata_port *ap = link->ap;
2495 u32 serr;
2496
2497 /* print link status */
2498 sata_print_link_status(link);
2499
2500 /* clear SError */
2501 sata_scr_read(link, SCR_ERROR, &serr);
2502 sata_scr_write_flush(link, SCR_ERROR, serr);
2503 2383
2504 /* bail out if no device is present */ 2384 /* Workaround for errata FEr SATA#10 (part 2) */
2505 if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) { 2385 do {
2506 DPRINTK("EXIT, no device\n"); 2386 const unsigned long *timing =
2507 return; 2387 sata_ehc_deb_timing(&link->eh_context);
2508 }
2509 2388
2510 /* set up device control */ 2389 rc = sata_link_hardreset(link, timing, deadline + extra,
2511 iowrite8(ap->ctl, ap->ioaddr.ctl_addr); 2390 &online, NULL);
2512} 2391 if (rc)
2392 return rc;
2393 sata_scr_read(link, SCR_STATUS, &sstatus);
2394 if (!IS_GEN_I(hpriv) && ++attempts >= 5 && sstatus == 0x121) {
2395 /* Force 1.5gb/s link speed and try again */
2396 mv_setup_ifctl(mv_ap_base(ap), 0);
2397 if (time_after(jiffies + HZ, deadline))
2398 extra = HZ; /* only extend it once, max */
2399 }
2400 } while (sstatus != 0x0 && sstatus != 0x113 && sstatus != 0x123);
2513 2401
2514static void mv_error_handler(struct ata_port *ap) 2402 return rc;
2515{
2516 ata_do_eh(ap, mv_prereset, ata_std_softreset,
2517 mv_hardreset, mv_postreset);
2518} 2403}
2519 2404
2520static void mv_eh_freeze(struct ata_port *ap) 2405static void mv_eh_freeze(struct ata_port *ap)
@@ -2808,19 +2693,6 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx)
2808 hpriv->ops->enable_leds(hpriv, mmio); 2693 hpriv->ops->enable_leds(hpriv, mmio);
2809 2694
2810 for (port = 0; port < host->n_ports; port++) { 2695 for (port = 0; port < host->n_ports; port++) {
2811 if (IS_GEN_II(hpriv)) {
2812 void __iomem *port_mmio = mv_port_base(mmio, port);
2813
2814 u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL);
2815 ifctl |= (1 << 7); /* enable gen2i speed */
2816 ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */
2817 writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
2818 }
2819
2820 hpriv->ops->phy_errata(hpriv, mmio, port);
2821 }
2822
2823 for (port = 0; port < host->n_ports; port++) {
2824 struct ata_port *ap = host->ports[port]; 2696 struct ata_port *ap = host->ports[port];
2825 void __iomem *port_mmio = mv_port_base(mmio, port); 2697 void __iomem *port_mmio = mv_port_base(mmio, port);
2826 2698
@@ -3192,7 +3064,7 @@ MODULE_DESCRIPTION("SCSI low-level driver for Marvell SATA controllers");
3192MODULE_LICENSE("GPL"); 3064MODULE_LICENSE("GPL");
3193MODULE_DEVICE_TABLE(pci, mv_pci_tbl); 3065MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
3194MODULE_VERSION(DRV_VERSION); 3066MODULE_VERSION(DRV_VERSION);
3195MODULE_ALIAS("platform:sata_mv"); 3067MODULE_ALIAS("platform:" DRV_NAME);
3196 3068
3197#ifdef CONFIG_PCI 3069#ifdef CONFIG_PCI
3198module_param(msi, int, 0444); 3070module_param(msi, int, 0444);
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index ed5473bf7a0a..109b07495721 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -309,7 +309,8 @@ static void nv_nf2_freeze(struct ata_port *ap);
309static void nv_nf2_thaw(struct ata_port *ap); 309static void nv_nf2_thaw(struct ata_port *ap);
310static void nv_ck804_freeze(struct ata_port *ap); 310static void nv_ck804_freeze(struct ata_port *ap);
311static void nv_ck804_thaw(struct ata_port *ap); 311static void nv_ck804_thaw(struct ata_port *ap);
312static void nv_error_handler(struct ata_port *ap); 312static int nv_hardreset(struct ata_link *link, unsigned int *class,
313 unsigned long deadline);
313static int nv_adma_slave_config(struct scsi_device *sdev); 314static int nv_adma_slave_config(struct scsi_device *sdev);
314static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc); 315static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc);
315static void nv_adma_qc_prep(struct ata_queued_cmd *qc); 316static void nv_adma_qc_prep(struct ata_queued_cmd *qc);
@@ -385,157 +386,60 @@ static struct pci_driver nv_pci_driver = {
385}; 386};
386 387
387static struct scsi_host_template nv_sht = { 388static struct scsi_host_template nv_sht = {
388 .module = THIS_MODULE, 389 ATA_BMDMA_SHT(DRV_NAME),
389 .name = DRV_NAME,
390 .ioctl = ata_scsi_ioctl,
391 .queuecommand = ata_scsi_queuecmd,
392 .can_queue = ATA_DEF_QUEUE,
393 .this_id = ATA_SHT_THIS_ID,
394 .sg_tablesize = LIBATA_MAX_PRD,
395 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
396 .emulated = ATA_SHT_EMULATED,
397 .use_clustering = ATA_SHT_USE_CLUSTERING,
398 .proc_name = DRV_NAME,
399 .dma_boundary = ATA_DMA_BOUNDARY,
400 .slave_configure = ata_scsi_slave_config,
401 .slave_destroy = ata_scsi_slave_destroy,
402 .bios_param = ata_std_bios_param,
403}; 390};
404 391
405static struct scsi_host_template nv_adma_sht = { 392static struct scsi_host_template nv_adma_sht = {
406 .module = THIS_MODULE, 393 ATA_NCQ_SHT(DRV_NAME),
407 .name = DRV_NAME,
408 .ioctl = ata_scsi_ioctl,
409 .queuecommand = ata_scsi_queuecmd,
410 .change_queue_depth = ata_scsi_change_queue_depth,
411 .can_queue = NV_ADMA_MAX_CPBS, 394 .can_queue = NV_ADMA_MAX_CPBS,
412 .this_id = ATA_SHT_THIS_ID,
413 .sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN, 395 .sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN,
414 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
415 .emulated = ATA_SHT_EMULATED,
416 .use_clustering = ATA_SHT_USE_CLUSTERING,
417 .proc_name = DRV_NAME,
418 .dma_boundary = NV_ADMA_DMA_BOUNDARY, 396 .dma_boundary = NV_ADMA_DMA_BOUNDARY,
419 .slave_configure = nv_adma_slave_config, 397 .slave_configure = nv_adma_slave_config,
420 .slave_destroy = ata_scsi_slave_destroy,
421 .bios_param = ata_std_bios_param,
422}; 398};
423 399
424static struct scsi_host_template nv_swncq_sht = { 400static struct scsi_host_template nv_swncq_sht = {
425 .module = THIS_MODULE, 401 ATA_NCQ_SHT(DRV_NAME),
426 .name = DRV_NAME,
427 .ioctl = ata_scsi_ioctl,
428 .queuecommand = ata_scsi_queuecmd,
429 .change_queue_depth = ata_scsi_change_queue_depth,
430 .can_queue = ATA_MAX_QUEUE, 402 .can_queue = ATA_MAX_QUEUE,
431 .this_id = ATA_SHT_THIS_ID,
432 .sg_tablesize = LIBATA_MAX_PRD, 403 .sg_tablesize = LIBATA_MAX_PRD,
433 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
434 .emulated = ATA_SHT_EMULATED,
435 .use_clustering = ATA_SHT_USE_CLUSTERING,
436 .proc_name = DRV_NAME,
437 .dma_boundary = ATA_DMA_BOUNDARY, 404 .dma_boundary = ATA_DMA_BOUNDARY,
438 .slave_configure = nv_swncq_slave_config, 405 .slave_configure = nv_swncq_slave_config,
439 .slave_destroy = ata_scsi_slave_destroy,
440 .bios_param = ata_std_bios_param,
441}; 406};
442 407
443static const struct ata_port_operations nv_generic_ops = { 408static struct ata_port_operations nv_generic_ops = {
444 .tf_load = ata_tf_load, 409 .inherits = &ata_bmdma_port_ops,
445 .tf_read = ata_tf_read, 410 .hardreset = nv_hardreset,
446 .exec_command = ata_exec_command,
447 .check_status = ata_check_status,
448 .dev_select = ata_std_dev_select,
449 .bmdma_setup = ata_bmdma_setup,
450 .bmdma_start = ata_bmdma_start,
451 .bmdma_stop = ata_bmdma_stop,
452 .bmdma_status = ata_bmdma_status,
453 .qc_prep = ata_qc_prep,
454 .qc_issue = ata_qc_issue_prot,
455 .freeze = ata_bmdma_freeze,
456 .thaw = ata_bmdma_thaw,
457 .error_handler = nv_error_handler,
458 .post_internal_cmd = ata_bmdma_post_internal_cmd,
459 .data_xfer = ata_data_xfer,
460 .irq_clear = ata_bmdma_irq_clear,
461 .irq_on = ata_irq_on,
462 .scr_read = nv_scr_read, 411 .scr_read = nv_scr_read,
463 .scr_write = nv_scr_write, 412 .scr_write = nv_scr_write,
464 .port_start = ata_port_start,
465}; 413};
466 414
467static const struct ata_port_operations nv_nf2_ops = { 415static struct ata_port_operations nv_nf2_ops = {
468 .tf_load = ata_tf_load, 416 .inherits = &nv_generic_ops,
469 .tf_read = ata_tf_read,
470 .exec_command = ata_exec_command,
471 .check_status = ata_check_status,
472 .dev_select = ata_std_dev_select,
473 .bmdma_setup = ata_bmdma_setup,
474 .bmdma_start = ata_bmdma_start,
475 .bmdma_stop = ata_bmdma_stop,
476 .bmdma_status = ata_bmdma_status,
477 .qc_prep = ata_qc_prep,
478 .qc_issue = ata_qc_issue_prot,
479 .freeze = nv_nf2_freeze, 417 .freeze = nv_nf2_freeze,
480 .thaw = nv_nf2_thaw, 418 .thaw = nv_nf2_thaw,
481 .error_handler = nv_error_handler,
482 .post_internal_cmd = ata_bmdma_post_internal_cmd,
483 .data_xfer = ata_data_xfer,
484 .irq_clear = ata_bmdma_irq_clear,
485 .irq_on = ata_irq_on,
486 .scr_read = nv_scr_read,
487 .scr_write = nv_scr_write,
488 .port_start = ata_port_start,
489}; 419};
490 420
491static const struct ata_port_operations nv_ck804_ops = { 421static struct ata_port_operations nv_ck804_ops = {
492 .tf_load = ata_tf_load, 422 .inherits = &nv_generic_ops,
493 .tf_read = ata_tf_read,
494 .exec_command = ata_exec_command,
495 .check_status = ata_check_status,
496 .dev_select = ata_std_dev_select,
497 .bmdma_setup = ata_bmdma_setup,
498 .bmdma_start = ata_bmdma_start,
499 .bmdma_stop = ata_bmdma_stop,
500 .bmdma_status = ata_bmdma_status,
501 .qc_prep = ata_qc_prep,
502 .qc_issue = ata_qc_issue_prot,
503 .freeze = nv_ck804_freeze, 423 .freeze = nv_ck804_freeze,
504 .thaw = nv_ck804_thaw, 424 .thaw = nv_ck804_thaw,
505 .error_handler = nv_error_handler,
506 .post_internal_cmd = ata_bmdma_post_internal_cmd,
507 .data_xfer = ata_data_xfer,
508 .irq_clear = ata_bmdma_irq_clear,
509 .irq_on = ata_irq_on,
510 .scr_read = nv_scr_read,
511 .scr_write = nv_scr_write,
512 .port_start = ata_port_start,
513 .host_stop = nv_ck804_host_stop, 425 .host_stop = nv_ck804_host_stop,
514}; 426};
515 427
516static const struct ata_port_operations nv_adma_ops = { 428static struct ata_port_operations nv_adma_ops = {
517 .tf_load = ata_tf_load, 429 .inherits = &nv_generic_ops,
518 .tf_read = nv_adma_tf_read, 430
519 .check_atapi_dma = nv_adma_check_atapi_dma, 431 .check_atapi_dma = nv_adma_check_atapi_dma,
520 .exec_command = ata_exec_command, 432 .sff_tf_read = nv_adma_tf_read,
521 .check_status = ata_check_status,
522 .dev_select = ata_std_dev_select,
523 .bmdma_setup = ata_bmdma_setup,
524 .bmdma_start = ata_bmdma_start,
525 .bmdma_stop = ata_bmdma_stop,
526 .bmdma_status = ata_bmdma_status,
527 .qc_defer = ata_std_qc_defer, 433 .qc_defer = ata_std_qc_defer,
528 .qc_prep = nv_adma_qc_prep, 434 .qc_prep = nv_adma_qc_prep,
529 .qc_issue = nv_adma_qc_issue, 435 .qc_issue = nv_adma_qc_issue,
436 .sff_irq_clear = nv_adma_irq_clear,
437
530 .freeze = nv_adma_freeze, 438 .freeze = nv_adma_freeze,
531 .thaw = nv_adma_thaw, 439 .thaw = nv_adma_thaw,
532 .error_handler = nv_adma_error_handler, 440 .error_handler = nv_adma_error_handler,
533 .post_internal_cmd = nv_adma_post_internal_cmd, 441 .post_internal_cmd = nv_adma_post_internal_cmd,
534 .data_xfer = ata_data_xfer, 442
535 .irq_clear = nv_adma_irq_clear,
536 .irq_on = ata_irq_on,
537 .scr_read = nv_scr_read,
538 .scr_write = nv_scr_write,
539 .port_start = nv_adma_port_start, 443 .port_start = nv_adma_port_start,
540 .port_stop = nv_adma_port_stop, 444 .port_stop = nv_adma_port_stop,
541#ifdef CONFIG_PM 445#ifdef CONFIG_PM
@@ -545,28 +449,17 @@ static const struct ata_port_operations nv_adma_ops = {
545 .host_stop = nv_adma_host_stop, 449 .host_stop = nv_adma_host_stop,
546}; 450};
547 451
548static const struct ata_port_operations nv_swncq_ops = { 452static struct ata_port_operations nv_swncq_ops = {
549 .tf_load = ata_tf_load, 453 .inherits = &nv_generic_ops,
550 .tf_read = ata_tf_read, 454
551 .exec_command = ata_exec_command,
552 .check_status = ata_check_status,
553 .dev_select = ata_std_dev_select,
554 .bmdma_setup = ata_bmdma_setup,
555 .bmdma_start = ata_bmdma_start,
556 .bmdma_stop = ata_bmdma_stop,
557 .bmdma_status = ata_bmdma_status,
558 .qc_defer = ata_std_qc_defer, 455 .qc_defer = ata_std_qc_defer,
559 .qc_prep = nv_swncq_qc_prep, 456 .qc_prep = nv_swncq_qc_prep,
560 .qc_issue = nv_swncq_qc_issue, 457 .qc_issue = nv_swncq_qc_issue,
458
561 .freeze = nv_mcp55_freeze, 459 .freeze = nv_mcp55_freeze,
562 .thaw = nv_mcp55_thaw, 460 .thaw = nv_mcp55_thaw,
563 .error_handler = nv_swncq_error_handler, 461 .error_handler = nv_swncq_error_handler,
564 .post_internal_cmd = ata_bmdma_post_internal_cmd, 462
565 .data_xfer = ata_data_xfer,
566 .irq_clear = ata_bmdma_irq_clear,
567 .irq_on = ata_irq_on,
568 .scr_read = nv_scr_read,
569 .scr_write = nv_scr_write,
570#ifdef CONFIG_PM 463#ifdef CONFIG_PM
571 .port_suspend = nv_swncq_port_suspend, 464 .port_suspend = nv_swncq_port_suspend,
572 .port_resume = nv_swncq_port_resume, 465 .port_resume = nv_swncq_port_resume,
@@ -574,63 +467,61 @@ static const struct ata_port_operations nv_swncq_ops = {
574 .port_start = nv_swncq_port_start, 467 .port_start = nv_swncq_port_start,
575}; 468};
576 469
470struct nv_pi_priv {
471 irq_handler_t irq_handler;
472 struct scsi_host_template *sht;
473};
474
475#define NV_PI_PRIV(_irq_handler, _sht) \
476 &(struct nv_pi_priv){ .irq_handler = _irq_handler, .sht = _sht }
477
577static const struct ata_port_info nv_port_info[] = { 478static const struct ata_port_info nv_port_info[] = {
578 /* generic */ 479 /* generic */
579 { 480 {
580 .sht = &nv_sht,
581 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, 481 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
582 .link_flags = ATA_LFLAG_HRST_TO_RESUME,
583 .pio_mask = NV_PIO_MASK, 482 .pio_mask = NV_PIO_MASK,
584 .mwdma_mask = NV_MWDMA_MASK, 483 .mwdma_mask = NV_MWDMA_MASK,
585 .udma_mask = NV_UDMA_MASK, 484 .udma_mask = NV_UDMA_MASK,
586 .port_ops = &nv_generic_ops, 485 .port_ops = &nv_generic_ops,
587 .irq_handler = nv_generic_interrupt, 486 .private_data = NV_PI_PRIV(nv_generic_interrupt, &nv_sht),
588 }, 487 },
589 /* nforce2/3 */ 488 /* nforce2/3 */
590 { 489 {
591 .sht = &nv_sht,
592 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, 490 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
593 .link_flags = ATA_LFLAG_HRST_TO_RESUME,
594 .pio_mask = NV_PIO_MASK, 491 .pio_mask = NV_PIO_MASK,
595 .mwdma_mask = NV_MWDMA_MASK, 492 .mwdma_mask = NV_MWDMA_MASK,
596 .udma_mask = NV_UDMA_MASK, 493 .udma_mask = NV_UDMA_MASK,
597 .port_ops = &nv_nf2_ops, 494 .port_ops = &nv_nf2_ops,
598 .irq_handler = nv_nf2_interrupt, 495 .private_data = NV_PI_PRIV(nv_nf2_interrupt, &nv_sht),
599 }, 496 },
600 /* ck804 */ 497 /* ck804 */
601 { 498 {
602 .sht = &nv_sht,
603 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, 499 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
604 .link_flags = ATA_LFLAG_HRST_TO_RESUME,
605 .pio_mask = NV_PIO_MASK, 500 .pio_mask = NV_PIO_MASK,
606 .mwdma_mask = NV_MWDMA_MASK, 501 .mwdma_mask = NV_MWDMA_MASK,
607 .udma_mask = NV_UDMA_MASK, 502 .udma_mask = NV_UDMA_MASK,
608 .port_ops = &nv_ck804_ops, 503 .port_ops = &nv_ck804_ops,
609 .irq_handler = nv_ck804_interrupt, 504 .private_data = NV_PI_PRIV(nv_ck804_interrupt, &nv_sht),
610 }, 505 },
611 /* ADMA */ 506 /* ADMA */
612 { 507 {
613 .sht = &nv_adma_sht,
614 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 508 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
615 ATA_FLAG_MMIO | ATA_FLAG_NCQ, 509 ATA_FLAG_MMIO | ATA_FLAG_NCQ,
616 .link_flags = ATA_LFLAG_HRST_TO_RESUME,
617 .pio_mask = NV_PIO_MASK, 510 .pio_mask = NV_PIO_MASK,
618 .mwdma_mask = NV_MWDMA_MASK, 511 .mwdma_mask = NV_MWDMA_MASK,
619 .udma_mask = NV_UDMA_MASK, 512 .udma_mask = NV_UDMA_MASK,
620 .port_ops = &nv_adma_ops, 513 .port_ops = &nv_adma_ops,
621 .irq_handler = nv_adma_interrupt, 514 .private_data = NV_PI_PRIV(nv_adma_interrupt, &nv_adma_sht),
622 }, 515 },
623 /* SWNCQ */ 516 /* SWNCQ */
624 { 517 {
625 .sht = &nv_swncq_sht,
626 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 518 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
627 ATA_FLAG_NCQ, 519 ATA_FLAG_NCQ,
628 .link_flags = ATA_LFLAG_HRST_TO_RESUME,
629 .pio_mask = NV_PIO_MASK, 520 .pio_mask = NV_PIO_MASK,
630 .mwdma_mask = NV_MWDMA_MASK, 521 .mwdma_mask = NV_MWDMA_MASK,
631 .udma_mask = NV_UDMA_MASK, 522 .udma_mask = NV_UDMA_MASK,
632 .port_ops = &nv_swncq_ops, 523 .port_ops = &nv_swncq_ops,
633 .irq_handler = nv_swncq_interrupt, 524 .private_data = NV_PI_PRIV(nv_swncq_interrupt, &nv_swncq_sht),
634 }, 525 },
635}; 526};
636 527
@@ -640,8 +531,8 @@ MODULE_LICENSE("GPL");
640MODULE_DEVICE_TABLE(pci, nv_pci_tbl); 531MODULE_DEVICE_TABLE(pci, nv_pci_tbl);
641MODULE_VERSION(DRV_VERSION); 532MODULE_VERSION(DRV_VERSION);
642 533
643static int adma_enabled = 1; 534static int adma_enabled;
644static int swncq_enabled; 535static int swncq_enabled = 1;
645 536
646static void nv_adma_register_mode(struct ata_port *ap) 537static void nv_adma_register_mode(struct ata_port *ap)
647{ 538{
@@ -839,7 +730,7 @@ static void nv_adma_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
839 ADMA mode could abort outstanding commands. */ 730 ADMA mode could abort outstanding commands. */
840 nv_adma_register_mode(ap); 731 nv_adma_register_mode(ap);
841 732
842 ata_tf_read(ap, tf); 733 ata_sff_tf_read(ap, tf);
843} 734}
844 735
845static unsigned int nv_adma_tf_to_cpb(struct ata_taskfile *tf, __le16 *cpb) 736static unsigned int nv_adma_tf_to_cpb(struct ata_taskfile *tf, __le16 *cpb)
@@ -929,7 +820,7 @@ static int nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err)
929 "notifier for tag %d with no cmd?\n", 820 "notifier for tag %d with no cmd?\n",
930 cpb_num); 821 cpb_num);
931 ehi->err_mask |= AC_ERR_HSM; 822 ehi->err_mask |= AC_ERR_HSM;
932 ehi->action |= ATA_EH_SOFTRESET; 823 ehi->action |= ATA_EH_RESET;
933 ata_port_freeze(ap); 824 ata_port_freeze(ap);
934 return 1; 825 return 1;
935 } 826 }
@@ -953,12 +844,12 @@ static int nv_host_intr(struct ata_port *ap, u8 irq_stat)
953 844
954 /* DEV interrupt w/ no active qc? */ 845 /* DEV interrupt w/ no active qc? */
955 if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) { 846 if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) {
956 ata_check_status(ap); 847 ata_sff_check_status(ap);
957 return 1; 848 return 1;
958 } 849 }
959 850
960 /* handle interrupt */ 851 /* handle interrupt */
961 return ata_host_intr(ap, qc); 852 return ata_sff_host_intr(ap, qc);
962} 853}
963 854
964static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) 855static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
@@ -1137,7 +1028,7 @@ static void nv_adma_irq_clear(struct ata_port *ap)
1137 u32 notifier_clears[2]; 1028 u32 notifier_clears[2];
1138 1029
1139 if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) { 1030 if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) {
1140 ata_bmdma_irq_clear(ap); 1031 ata_sff_irq_clear(ap);
1141 return; 1032 return;
1142 } 1033 }
1143 1034
@@ -1168,7 +1059,7 @@ static void nv_adma_post_internal_cmd(struct ata_queued_cmd *qc)
1168 struct nv_adma_port_priv *pp = qc->ap->private_data; 1059 struct nv_adma_port_priv *pp = qc->ap->private_data;
1169 1060
1170 if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) 1061 if (pp->flags & NV_ADMA_PORT_REGISTER_MODE)
1171 ata_bmdma_post_internal_cmd(qc); 1062 ata_sff_post_internal_cmd(qc);
1172} 1063}
1173 1064
1174static int nv_adma_port_start(struct ata_port *ap) 1065static int nv_adma_port_start(struct ata_port *ap)
@@ -1445,7 +1336,7 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc)
1445 BUG_ON(!(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) && 1336 BUG_ON(!(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) &&
1446 (qc->flags & ATA_QCFLAG_DMAMAP)); 1337 (qc->flags & ATA_QCFLAG_DMAMAP));
1447 nv_adma_register_mode(qc->ap); 1338 nv_adma_register_mode(qc->ap);
1448 ata_qc_prep(qc); 1339 ata_sff_qc_prep(qc);
1449 return; 1340 return;
1450 } 1341 }
1451 1342
@@ -1504,7 +1395,7 @@ static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc)
1504 BUG_ON(!(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) && 1395 BUG_ON(!(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) &&
1505 (qc->flags & ATA_QCFLAG_DMAMAP)); 1396 (qc->flags & ATA_QCFLAG_DMAMAP));
1506 nv_adma_register_mode(qc->ap); 1397 nv_adma_register_mode(qc->ap);
1507 return ata_qc_issue_prot(qc); 1398 return ata_sff_qc_issue(qc);
1508 } else 1399 } else
1509 nv_adma_mode(qc->ap); 1400 nv_adma_mode(qc->ap);
1510 1401
@@ -1545,11 +1436,11 @@ static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance)
1545 1436
1546 qc = ata_qc_from_tag(ap, ap->link.active_tag); 1437 qc = ata_qc_from_tag(ap, ap->link.active_tag);
1547 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) 1438 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
1548 handled += ata_host_intr(ap, qc); 1439 handled += ata_sff_host_intr(ap, qc);
1549 else 1440 else
1550 // No request pending? Clear interrupt status 1441 // No request pending? Clear interrupt status
1551 // anyway, in case there's one pending. 1442 // anyway, in case there's one pending.
1552 ap->ops->check_status(ap); 1443 ap->ops->sff_check_status(ap);
1553 } 1444 }
1554 1445
1555 } 1446 }
@@ -1680,7 +1571,7 @@ static void nv_mcp55_freeze(struct ata_port *ap)
1680 mask = readl(mmio_base + NV_INT_ENABLE_MCP55); 1571 mask = readl(mmio_base + NV_INT_ENABLE_MCP55);
1681 mask &= ~(NV_INT_ALL_MCP55 << shift); 1572 mask &= ~(NV_INT_ALL_MCP55 << shift);
1682 writel(mask, mmio_base + NV_INT_ENABLE_MCP55); 1573 writel(mask, mmio_base + NV_INT_ENABLE_MCP55);
1683 ata_bmdma_freeze(ap); 1574 ata_sff_freeze(ap);
1684} 1575}
1685 1576
1686static void nv_mcp55_thaw(struct ata_port *ap) 1577static void nv_mcp55_thaw(struct ata_port *ap)
@@ -1694,7 +1585,7 @@ static void nv_mcp55_thaw(struct ata_port *ap)
1694 mask = readl(mmio_base + NV_INT_ENABLE_MCP55); 1585 mask = readl(mmio_base + NV_INT_ENABLE_MCP55);
1695 mask |= (NV_INT_MASK_MCP55 << shift); 1586 mask |= (NV_INT_MASK_MCP55 << shift);
1696 writel(mask, mmio_base + NV_INT_ENABLE_MCP55); 1587 writel(mask, mmio_base + NV_INT_ENABLE_MCP55);
1697 ata_bmdma_thaw(ap); 1588 ata_sff_thaw(ap);
1698} 1589}
1699 1590
1700static int nv_hardreset(struct ata_link *link, unsigned int *class, 1591static int nv_hardreset(struct ata_link *link, unsigned int *class,
@@ -1706,13 +1597,7 @@ static int nv_hardreset(struct ata_link *link, unsigned int *class,
1706 * some controllers. Don't classify on hardreset. For more 1597 * some controllers. Don't classify on hardreset. For more
1707 * info, see http://bugzilla.kernel.org/show_bug.cgi?id=3352 1598 * info, see http://bugzilla.kernel.org/show_bug.cgi?id=3352
1708 */ 1599 */
1709 return sata_std_hardreset(link, &dummy, deadline); 1600 return sata_sff_hardreset(link, &dummy, deadline);
1710}
1711
1712static void nv_error_handler(struct ata_port *ap)
1713{
1714 ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset,
1715 nv_hardreset, ata_std_postreset);
1716} 1601}
1717 1602
1718static void nv_adma_error_handler(struct ata_port *ap) 1603static void nv_adma_error_handler(struct ata_port *ap)
@@ -1768,8 +1653,7 @@ static void nv_adma_error_handler(struct ata_port *ap)
1768 readw(mmio + NV_ADMA_CTL); /* flush posted write */ 1653 readw(mmio + NV_ADMA_CTL); /* flush posted write */
1769 } 1654 }
1770 1655
1771 ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, 1656 ata_sff_error_handler(ap);
1772 nv_hardreset, ata_std_postreset);
1773} 1657}
1774 1658
1775static void nv_swncq_qc_to_dq(struct ata_port *ap, struct ata_queued_cmd *qc) 1659static void nv_swncq_qc_to_dq(struct ata_port *ap, struct ata_queued_cmd *qc)
@@ -1855,7 +1739,7 @@ static void nv_swncq_ncq_stop(struct ata_port *ap)
1855 pp->dhfis_bits, pp->dmafis_bits, pp->sdbfis_bits); 1739 pp->dhfis_bits, pp->dmafis_bits, pp->sdbfis_bits);
1856 1740
1857 ata_port_printk(ap, KERN_ERR, "ATA_REG 0x%X ERR_REG 0x%X\n", 1741 ata_port_printk(ap, KERN_ERR, "ATA_REG 0x%X ERR_REG 0x%X\n",
1858 ap->ops->check_status(ap), 1742 ap->ops->sff_check_status(ap),
1859 ioread8(ap->ioaddr.error_addr)); 1743 ioread8(ap->ioaddr.error_addr));
1860 1744
1861 sactive = readl(pp->sactive_block); 1745 sactive = readl(pp->sactive_block);
@@ -1881,7 +1765,7 @@ static void nv_swncq_ncq_stop(struct ata_port *ap)
1881 } 1765 }
1882 1766
1883 nv_swncq_pp_reinit(ap); 1767 nv_swncq_pp_reinit(ap);
1884 ap->ops->irq_clear(ap); 1768 ap->ops->sff_irq_clear(ap);
1885 __ata_bmdma_stop(ap); 1769 __ata_bmdma_stop(ap);
1886 nv_swncq_irq_clear(ap, 0xffff); 1770 nv_swncq_irq_clear(ap, 0xffff);
1887} 1771}
@@ -1892,11 +1776,10 @@ static void nv_swncq_error_handler(struct ata_port *ap)
1892 1776
1893 if (ap->link.sactive) { 1777 if (ap->link.sactive) {
1894 nv_swncq_ncq_stop(ap); 1778 nv_swncq_ncq_stop(ap);
1895 ehc->i.action |= ATA_EH_HARDRESET; 1779 ehc->i.action |= ATA_EH_RESET;
1896 } 1780 }
1897 1781
1898 ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, 1782 ata_sff_error_handler(ap);
1899 nv_hardreset, ata_std_postreset);
1900} 1783}
1901 1784
1902#ifdef CONFIG_PM 1785#ifdef CONFIG_PM
@@ -2042,7 +1925,7 @@ static int nv_swncq_port_start(struct ata_port *ap)
2042static void nv_swncq_qc_prep(struct ata_queued_cmd *qc) 1925static void nv_swncq_qc_prep(struct ata_queued_cmd *qc)
2043{ 1926{
2044 if (qc->tf.protocol != ATA_PROT_NCQ) { 1927 if (qc->tf.protocol != ATA_PROT_NCQ) {
2045 ata_qc_prep(qc); 1928 ata_sff_qc_prep(qc);
2046 return; 1929 return;
2047 } 1930 }
2048 1931
@@ -2104,8 +1987,8 @@ static unsigned int nv_swncq_issue_atacmd(struct ata_port *ap,
2104 pp->dmafis_bits &= ~(1 << qc->tag); 1987 pp->dmafis_bits &= ~(1 << qc->tag);
2105 pp->qc_active |= (0x1 << qc->tag); 1988 pp->qc_active |= (0x1 << qc->tag);
2106 1989
2107 ap->ops->tf_load(ap, &qc->tf); /* load tf registers */ 1990 ap->ops->sff_tf_load(ap, &qc->tf); /* load tf registers */
2108 ap->ops->exec_command(ap, &qc->tf); 1991 ap->ops->sff_exec_command(ap, &qc->tf);
2109 1992
2110 DPRINTK("Issued tag %u\n", qc->tag); 1993 DPRINTK("Issued tag %u\n", qc->tag);
2111 1994
@@ -2118,7 +2001,7 @@ static unsigned int nv_swncq_qc_issue(struct ata_queued_cmd *qc)
2118 struct nv_swncq_port_priv *pp = ap->private_data; 2001 struct nv_swncq_port_priv *pp = ap->private_data;
2119 2002
2120 if (qc->tf.protocol != ATA_PROT_NCQ) 2003 if (qc->tf.protocol != ATA_PROT_NCQ)
2121 return ata_qc_issue_prot(qc); 2004 return ata_sff_qc_issue(qc);
2122 2005
2123 DPRINTK("Enter\n"); 2006 DPRINTK("Enter\n");
2124 2007
@@ -2173,11 +2056,11 @@ static int nv_swncq_sdbfis(struct ata_port *ap)
2173 ata_ehi_clear_desc(ehi); 2056 ata_ehi_clear_desc(ehi);
2174 ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat); 2057 ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat);
2175 ehi->err_mask |= AC_ERR_HOST_BUS; 2058 ehi->err_mask |= AC_ERR_HOST_BUS;
2176 ehi->action |= ATA_EH_SOFTRESET; 2059 ehi->action |= ATA_EH_RESET;
2177 return -EINVAL; 2060 return -EINVAL;
2178 } 2061 }
2179 2062
2180 ap->ops->irq_clear(ap); 2063 ap->ops->sff_irq_clear(ap);
2181 __ata_bmdma_stop(ap); 2064 __ata_bmdma_stop(ap);
2182 2065
2183 sactive = readl(pp->sactive_block); 2066 sactive = readl(pp->sactive_block);
@@ -2188,7 +2071,7 @@ static int nv_swncq_sdbfis(struct ata_port *ap)
2188 ata_ehi_push_desc(ehi, "illegal SWNCQ:qc_active transition" 2071 ata_ehi_push_desc(ehi, "illegal SWNCQ:qc_active transition"
2189 "(%08x->%08x)", pp->qc_active, sactive); 2072 "(%08x->%08x)", pp->qc_active, sactive);
2190 ehi->err_mask |= AC_ERR_HSM; 2073 ehi->err_mask |= AC_ERR_HSM;
2191 ehi->action |= ATA_EH_HARDRESET; 2074 ehi->action |= ATA_EH_RESET;
2192 return -EINVAL; 2075 return -EINVAL;
2193 } 2076 }
2194 for (i = 0; i < ATA_MAX_QUEUE; i++) { 2077 for (i = 0; i < ATA_MAX_QUEUE; i++) {
@@ -2299,7 +2182,7 @@ static void nv_swncq_host_interrupt(struct ata_port *ap, u16 fis)
2299 u8 ata_stat; 2182 u8 ata_stat;
2300 int rc = 0; 2183 int rc = 0;
2301 2184
2302 ata_stat = ap->ops->check_status(ap); 2185 ata_stat = ap->ops->sff_check_status(ap);
2303 nv_swncq_irq_clear(ap, fis); 2186 nv_swncq_irq_clear(ap, fis);
2304 if (!fis) 2187 if (!fis)
2305 return; 2188 return;
@@ -2324,7 +2207,7 @@ static void nv_swncq_host_interrupt(struct ata_port *ap, u16 fis)
2324 ata_ehi_push_desc(ehi, "Ata error. fis:0x%X", fis); 2207 ata_ehi_push_desc(ehi, "Ata error. fis:0x%X", fis);
2325 ehi->err_mask |= AC_ERR_DEV; 2208 ehi->err_mask |= AC_ERR_DEV;
2326 ehi->serror |= serror; 2209 ehi->serror |= serror;
2327 ehi->action |= ATA_EH_SOFTRESET; 2210 ehi->action |= ATA_EH_RESET;
2328 ata_port_freeze(ap); 2211 ata_port_freeze(ap);
2329 return; 2212 return;
2330 } 2213 }
@@ -2356,13 +2239,13 @@ static void nv_swncq_host_interrupt(struct ata_port *ap, u16 fis)
2356 if (pp->ncq_flags & (ncq_saw_sdb | ncq_saw_backout)) { 2239 if (pp->ncq_flags & (ncq_saw_sdb | ncq_saw_backout)) {
2357 ata_ehi_push_desc(ehi, "illegal fis transaction"); 2240 ata_ehi_push_desc(ehi, "illegal fis transaction");
2358 ehi->err_mask |= AC_ERR_HSM; 2241 ehi->err_mask |= AC_ERR_HSM;
2359 ehi->action |= ATA_EH_HARDRESET; 2242 ehi->action |= ATA_EH_RESET;
2360 goto irq_error; 2243 goto irq_error;
2361 } 2244 }
2362 2245
2363 if (!(fis & NV_SWNCQ_IRQ_DMASETUP) && 2246 if (!(fis & NV_SWNCQ_IRQ_DMASETUP) &&
2364 !(pp->ncq_flags & ncq_saw_dmas)) { 2247 !(pp->ncq_flags & ncq_saw_dmas)) {
2365 ata_stat = ap->ops->check_status(ap); 2248 ata_stat = ap->ops->sff_check_status(ap);
2366 if (ata_stat & ATA_BUSY) 2249 if (ata_stat & ATA_BUSY)
2367 goto irq_exit; 2250 goto irq_exit;
2368 2251
@@ -2429,6 +2312,7 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2429{ 2312{
2430 static int printed_version; 2313 static int printed_version;
2431 const struct ata_port_info *ppi[] = { NULL, NULL }; 2314 const struct ata_port_info *ppi[] = { NULL, NULL };
2315 struct nv_pi_priv *ipriv;
2432 struct ata_host *host; 2316 struct ata_host *host;
2433 struct nv_host_priv *hpriv; 2317 struct nv_host_priv *hpriv;
2434 int rc; 2318 int rc;
@@ -2465,7 +2349,8 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2465 } 2349 }
2466 2350
2467 ppi[0] = &nv_port_info[type]; 2351 ppi[0] = &nv_port_info[type];
2468 rc = ata_pci_prepare_sff_host(pdev, ppi, &host); 2352 ipriv = ppi[0]->private_data;
2353 rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
2469 if (rc) 2354 if (rc)
2470 return rc; 2355 return rc;
2471 2356
@@ -2503,8 +2388,8 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2503 nv_swncq_host_init(host); 2388 nv_swncq_host_init(host);
2504 2389
2505 pci_set_master(pdev); 2390 pci_set_master(pdev);
2506 return ata_host_activate(host, pdev->irq, ppi[0]->irq_handler, 2391 return ata_host_activate(host, pdev->irq, ipriv->irq_handler,
2507 IRQF_SHARED, ppi[0]->sht); 2392 IRQF_SHARED, ipriv->sht);
2508} 2393}
2509 2394
2510#ifdef CONFIG_PM 2395#ifdef CONFIG_PM
@@ -2600,5 +2485,5 @@ module_exit(nv_exit);
2600module_param_named(adma, adma_enabled, bool, 0444); 2485module_param_named(adma, adma_enabled, bool, 0444);
2601MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: true)"); 2486MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: true)");
2602module_param_named(swncq, swncq_enabled, bool, 0444); 2487module_param_named(swncq, swncq_enabled, bool, 0444);
2603MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: false)"); 2488MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: true)");
2604 2489
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 11c1afea2db2..5a10dc5048ad 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -143,103 +143,57 @@ static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile
143static int pdc_check_atapi_dma(struct ata_queued_cmd *qc); 143static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
144static int pdc_old_sata_check_atapi_dma(struct ata_queued_cmd *qc); 144static int pdc_old_sata_check_atapi_dma(struct ata_queued_cmd *qc);
145static void pdc_irq_clear(struct ata_port *ap); 145static void pdc_irq_clear(struct ata_port *ap);
146static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc); 146static unsigned int pdc_qc_issue(struct ata_queued_cmd *qc);
147static void pdc_freeze(struct ata_port *ap); 147static void pdc_freeze(struct ata_port *ap);
148static void pdc_sata_freeze(struct ata_port *ap); 148static void pdc_sata_freeze(struct ata_port *ap);
149static void pdc_thaw(struct ata_port *ap); 149static void pdc_thaw(struct ata_port *ap);
150static void pdc_sata_thaw(struct ata_port *ap); 150static void pdc_sata_thaw(struct ata_port *ap);
151static void pdc_pata_error_handler(struct ata_port *ap); 151static void pdc_error_handler(struct ata_port *ap);
152static void pdc_sata_error_handler(struct ata_port *ap);
153static void pdc_post_internal_cmd(struct ata_queued_cmd *qc); 152static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
154static int pdc_pata_cable_detect(struct ata_port *ap); 153static int pdc_pata_cable_detect(struct ata_port *ap);
155static int pdc_sata_cable_detect(struct ata_port *ap); 154static int pdc_sata_cable_detect(struct ata_port *ap);
156 155
157static struct scsi_host_template pdc_ata_sht = { 156static struct scsi_host_template pdc_ata_sht = {
158 .module = THIS_MODULE, 157 ATA_BASE_SHT(DRV_NAME),
159 .name = DRV_NAME,
160 .ioctl = ata_scsi_ioctl,
161 .queuecommand = ata_scsi_queuecmd,
162 .can_queue = ATA_DEF_QUEUE,
163 .this_id = ATA_SHT_THIS_ID,
164 .sg_tablesize = PDC_MAX_PRD, 158 .sg_tablesize = PDC_MAX_PRD,
165 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
166 .emulated = ATA_SHT_EMULATED,
167 .use_clustering = ATA_SHT_USE_CLUSTERING,
168 .proc_name = DRV_NAME,
169 .dma_boundary = ATA_DMA_BOUNDARY, 159 .dma_boundary = ATA_DMA_BOUNDARY,
170 .slave_configure = ata_scsi_slave_config,
171 .slave_destroy = ata_scsi_slave_destroy,
172 .bios_param = ata_std_bios_param,
173}; 160};
174 161
175static const struct ata_port_operations pdc_sata_ops = { 162static const struct ata_port_operations pdc_common_ops = {
176 .tf_load = pdc_tf_load_mmio, 163 .inherits = &ata_sff_port_ops,
177 .tf_read = ata_tf_read,
178 .check_status = ata_check_status,
179 .exec_command = pdc_exec_command_mmio,
180 .dev_select = ata_std_dev_select,
181 .check_atapi_dma = pdc_check_atapi_dma,
182 164
165 .sff_tf_load = pdc_tf_load_mmio,
166 .sff_exec_command = pdc_exec_command_mmio,
167 .check_atapi_dma = pdc_check_atapi_dma,
183 .qc_prep = pdc_qc_prep, 168 .qc_prep = pdc_qc_prep,
184 .qc_issue = pdc_qc_issue_prot, 169 .qc_issue = pdc_qc_issue,
185 .freeze = pdc_sata_freeze, 170 .sff_irq_clear = pdc_irq_clear,
186 .thaw = pdc_sata_thaw,
187 .error_handler = pdc_sata_error_handler,
188 .post_internal_cmd = pdc_post_internal_cmd,
189 .cable_detect = pdc_sata_cable_detect,
190 .data_xfer = ata_data_xfer,
191 .irq_clear = pdc_irq_clear,
192 .irq_on = ata_irq_on,
193 171
194 .scr_read = pdc_sata_scr_read, 172 .post_internal_cmd = pdc_post_internal_cmd,
195 .scr_write = pdc_sata_scr_write, 173 .error_handler = pdc_error_handler,
196 .port_start = pdc_sata_port_start,
197}; 174};
198 175
199/* First-generation chips need a more restrictive ->check_atapi_dma op */ 176static struct ata_port_operations pdc_sata_ops = {
200static const struct ata_port_operations pdc_old_sata_ops = { 177 .inherits = &pdc_common_ops,
201 .tf_load = pdc_tf_load_mmio, 178 .cable_detect = pdc_sata_cable_detect,
202 .tf_read = ata_tf_read,
203 .check_status = ata_check_status,
204 .exec_command = pdc_exec_command_mmio,
205 .dev_select = ata_std_dev_select,
206 .check_atapi_dma = pdc_old_sata_check_atapi_dma,
207
208 .qc_prep = pdc_qc_prep,
209 .qc_issue = pdc_qc_issue_prot,
210 .freeze = pdc_sata_freeze, 179 .freeze = pdc_sata_freeze,
211 .thaw = pdc_sata_thaw, 180 .thaw = pdc_sata_thaw,
212 .error_handler = pdc_sata_error_handler,
213 .post_internal_cmd = pdc_post_internal_cmd,
214 .cable_detect = pdc_sata_cable_detect,
215 .data_xfer = ata_data_xfer,
216 .irq_clear = pdc_irq_clear,
217 .irq_on = ata_irq_on,
218
219 .scr_read = pdc_sata_scr_read, 181 .scr_read = pdc_sata_scr_read,
220 .scr_write = pdc_sata_scr_write, 182 .scr_write = pdc_sata_scr_write,
221 .port_start = pdc_sata_port_start, 183 .port_start = pdc_sata_port_start,
222}; 184};
223 185
224static const struct ata_port_operations pdc_pata_ops = { 186/* First-generation chips need a more restrictive ->check_atapi_dma op */
225 .tf_load = pdc_tf_load_mmio, 187static struct ata_port_operations pdc_old_sata_ops = {
226 .tf_read = ata_tf_read, 188 .inherits = &pdc_sata_ops,
227 .check_status = ata_check_status, 189 .check_atapi_dma = pdc_old_sata_check_atapi_dma,
228 .exec_command = pdc_exec_command_mmio, 190};
229 .dev_select = ata_std_dev_select,
230 .check_atapi_dma = pdc_check_atapi_dma,
231 191
232 .qc_prep = pdc_qc_prep, 192static struct ata_port_operations pdc_pata_ops = {
233 .qc_issue = pdc_qc_issue_prot, 193 .inherits = &pdc_common_ops,
194 .cable_detect = pdc_pata_cable_detect,
234 .freeze = pdc_freeze, 195 .freeze = pdc_freeze,
235 .thaw = pdc_thaw, 196 .thaw = pdc_thaw,
236 .error_handler = pdc_pata_error_handler,
237 .post_internal_cmd = pdc_post_internal_cmd,
238 .cable_detect = pdc_pata_cable_detect,
239 .data_xfer = ata_data_xfer,
240 .irq_clear = pdc_irq_clear,
241 .irq_on = ata_irq_on,
242
243 .port_start = pdc_common_port_start, 197 .port_start = pdc_common_port_start,
244}; 198};
245 199
@@ -451,7 +405,7 @@ static void pdc_atapi_pkt(struct ata_queued_cmd *qc)
451 u8 *cdb = qc->cdb; 405 u8 *cdb = qc->cdb;
452 struct pdc_port_priv *pp = ap->private_data; 406 struct pdc_port_priv *pp = ap->private_data;
453 u8 *buf = pp->pkt; 407 u8 *buf = pp->pkt;
454 u32 *buf32 = (u32 *) buf; 408 __le32 *buf32 = (__le32 *) buf;
455 unsigned int dev_sel, feature; 409 unsigned int dev_sel, feature;
456 410
457 /* set control bits (byte 0), zero delay seq id (byte 3), 411 /* set control bits (byte 0), zero delay seq id (byte 3),
@@ -738,24 +692,12 @@ static void pdc_sata_thaw(struct ata_port *ap)
738 readl(host_mmio + hotplug_offset); /* flush */ 692 readl(host_mmio + hotplug_offset); /* flush */
739} 693}
740 694
741static void pdc_common_error_handler(struct ata_port *ap, ata_reset_fn_t hardreset) 695static void pdc_error_handler(struct ata_port *ap)
742{ 696{
743 if (!(ap->pflags & ATA_PFLAG_FROZEN)) 697 if (!(ap->pflags & ATA_PFLAG_FROZEN))
744 pdc_reset_port(ap); 698 pdc_reset_port(ap);
745 699
746 /* perform recovery */ 700 ata_std_error_handler(ap);
747 ata_do_eh(ap, ata_std_prereset, ata_std_softreset, hardreset,
748 ata_std_postreset);
749}
750
751static void pdc_pata_error_handler(struct ata_port *ap)
752{
753 pdc_common_error_handler(ap, NULL);
754}
755
756static void pdc_sata_error_handler(struct ata_port *ap)
757{
758 pdc_common_error_handler(ap, sata_std_hardreset);
759} 701}
760 702
761static void pdc_post_internal_cmd(struct ata_queued_cmd *qc) 703static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)
@@ -952,7 +894,7 @@ static inline void pdc_packet_start(struct ata_queued_cmd *qc)
952 readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */ 894 readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
953} 895}
954 896
955static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc) 897static unsigned int pdc_qc_issue(struct ata_queued_cmd *qc)
956{ 898{
957 switch (qc->tf.protocol) { 899 switch (qc->tf.protocol) {
958 case ATAPI_PROT_NODATA: 900 case ATAPI_PROT_NODATA:
@@ -972,20 +914,20 @@ static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
972 break; 914 break;
973 } 915 }
974 916
975 return ata_qc_issue_prot(qc); 917 return ata_sff_qc_issue(qc);
976} 918}
977 919
978static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) 920static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
979{ 921{
980 WARN_ON(tf->protocol == ATA_PROT_DMA || tf->protocol == ATAPI_PROT_DMA); 922 WARN_ON(tf->protocol == ATA_PROT_DMA || tf->protocol == ATAPI_PROT_DMA);
981 ata_tf_load(ap, tf); 923 ata_sff_tf_load(ap, tf);
982} 924}
983 925
984static void pdc_exec_command_mmio(struct ata_port *ap, 926static void pdc_exec_command_mmio(struct ata_port *ap,
985 const struct ata_taskfile *tf) 927 const struct ata_taskfile *tf)
986{ 928{
987 WARN_ON(tf->protocol == ATA_PROT_DMA || tf->protocol == ATAPI_PROT_DMA); 929 WARN_ON(tf->protocol == ATA_PROT_DMA || tf->protocol == ATAPI_PROT_DMA);
988 ata_exec_command(ap, tf); 930 ata_sff_exec_command(ap, tf);
989} 931}
990 932
991static int pdc_check_atapi_dma(struct ata_queued_cmd *qc) 933static int pdc_check_atapi_dma(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index 91cc12c82040..1600107047cf 100644
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -121,50 +121,38 @@ static unsigned int qs_qc_issue(struct ata_queued_cmd *qc);
121static int qs_check_atapi_dma(struct ata_queued_cmd *qc); 121static int qs_check_atapi_dma(struct ata_queued_cmd *qc);
122static void qs_bmdma_stop(struct ata_queued_cmd *qc); 122static void qs_bmdma_stop(struct ata_queued_cmd *qc);
123static u8 qs_bmdma_status(struct ata_port *ap); 123static u8 qs_bmdma_status(struct ata_port *ap);
124static void qs_irq_clear(struct ata_port *ap);
125static void qs_freeze(struct ata_port *ap); 124static void qs_freeze(struct ata_port *ap);
126static void qs_thaw(struct ata_port *ap); 125static void qs_thaw(struct ata_port *ap);
126static int qs_prereset(struct ata_link *link, unsigned long deadline);
127static void qs_error_handler(struct ata_port *ap); 127static void qs_error_handler(struct ata_port *ap);
128 128
129static struct scsi_host_template qs_ata_sht = { 129static struct scsi_host_template qs_ata_sht = {
130 .module = THIS_MODULE, 130 ATA_BASE_SHT(DRV_NAME),
131 .name = DRV_NAME,
132 .ioctl = ata_scsi_ioctl,
133 .queuecommand = ata_scsi_queuecmd,
134 .can_queue = ATA_DEF_QUEUE,
135 .this_id = ATA_SHT_THIS_ID,
136 .sg_tablesize = QS_MAX_PRD, 131 .sg_tablesize = QS_MAX_PRD,
137 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
138 .emulated = ATA_SHT_EMULATED,
139 .use_clustering = ENABLE_CLUSTERING,
140 .proc_name = DRV_NAME,
141 .dma_boundary = QS_DMA_BOUNDARY, 132 .dma_boundary = QS_DMA_BOUNDARY,
142 .slave_configure = ata_scsi_slave_config,
143 .slave_destroy = ata_scsi_slave_destroy,
144 .bios_param = ata_std_bios_param,
145}; 133};
146 134
147static const struct ata_port_operations qs_ata_ops = { 135static struct ata_port_operations qs_ata_ops = {
148 .tf_load = ata_tf_load, 136 .inherits = &ata_sff_port_ops,
149 .tf_read = ata_tf_read, 137
150 .check_status = ata_check_status,
151 .check_atapi_dma = qs_check_atapi_dma, 138 .check_atapi_dma = qs_check_atapi_dma,
152 .exec_command = ata_exec_command, 139 .bmdma_stop = qs_bmdma_stop,
153 .dev_select = ata_std_dev_select, 140 .bmdma_status = qs_bmdma_status,
154 .qc_prep = qs_qc_prep, 141 .qc_prep = qs_qc_prep,
155 .qc_issue = qs_qc_issue, 142 .qc_issue = qs_qc_issue,
156 .data_xfer = ata_data_xfer, 143
157 .freeze = qs_freeze, 144 .freeze = qs_freeze,
158 .thaw = qs_thaw, 145 .thaw = qs_thaw,
146 .prereset = qs_prereset,
147 .softreset = ATA_OP_NULL,
159 .error_handler = qs_error_handler, 148 .error_handler = qs_error_handler,
160 .irq_clear = qs_irq_clear, 149 .post_internal_cmd = ATA_OP_NULL,
161 .irq_on = ata_irq_on, 150
162 .scr_read = qs_scr_read, 151 .scr_read = qs_scr_read,
163 .scr_write = qs_scr_write, 152 .scr_write = qs_scr_write,
153
164 .port_start = qs_port_start, 154 .port_start = qs_port_start,
165 .host_stop = qs_host_stop, 155 .host_stop = qs_host_stop,
166 .bmdma_stop = qs_bmdma_stop,
167 .bmdma_status = qs_bmdma_status,
168}; 156};
169 157
170static const struct ata_port_info qs_port_info[] = { 158static const struct ata_port_info qs_port_info[] = {
@@ -211,11 +199,6 @@ static u8 qs_bmdma_status(struct ata_port *ap)
211 return 0; 199 return 0;
212} 200}
213 201
214static void qs_irq_clear(struct ata_port *ap)
215{
216 /* nothing */
217}
218
219static inline void qs_enter_reg_mode(struct ata_port *ap) 202static inline void qs_enter_reg_mode(struct ata_port *ap)
220{ 203{
221 u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000); 204 u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000);
@@ -256,7 +239,7 @@ static int qs_prereset(struct ata_link *link, unsigned long deadline)
256 struct ata_port *ap = link->ap; 239 struct ata_port *ap = link->ap;
257 240
258 qs_reset_channel_logic(ap); 241 qs_reset_channel_logic(ap);
259 return ata_std_prereset(link, deadline); 242 return ata_sff_prereset(link, deadline);
260} 243}
261 244
262static int qs_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val) 245static int qs_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val)
@@ -270,8 +253,7 @@ static int qs_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val)
270static void qs_error_handler(struct ata_port *ap) 253static void qs_error_handler(struct ata_port *ap)
271{ 254{
272 qs_enter_reg_mode(ap); 255 qs_enter_reg_mode(ap);
273 ata_do_eh(ap, qs_prereset, NULL, sata_std_hardreset, 256 ata_std_error_handler(ap);
274 ata_std_postreset);
275} 257}
276 258
277static int qs_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val) 259static int qs_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val)
@@ -321,7 +303,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
321 303
322 qs_enter_reg_mode(qc->ap); 304 qs_enter_reg_mode(qc->ap);
323 if (qc->tf.protocol != ATA_PROT_DMA) { 305 if (qc->tf.protocol != ATA_PROT_DMA) {
324 ata_qc_prep(qc); 306 ata_sff_qc_prep(qc);
325 return; 307 return;
326 } 308 }
327 309
@@ -380,7 +362,7 @@ static unsigned int qs_qc_issue(struct ata_queued_cmd *qc)
380 } 362 }
381 363
382 pp->state = qs_state_mmio; 364 pp->state = qs_state_mmio;
383 return ata_qc_issue_prot(qc); 365 return ata_sff_qc_issue(qc);
384} 366}
385 367
386static void qs_do_or_die(struct ata_queued_cmd *qc, u8 status) 368static void qs_do_or_die(struct ata_queued_cmd *qc, u8 status)
@@ -469,7 +451,7 @@ static inline unsigned int qs_intr_mmio(struct ata_host *host)
469 * and pretend we knew it was ours.. (ugh). 451 * and pretend we knew it was ours.. (ugh).
470 * This does not affect packet mode. 452 * This does not affect packet mode.
471 */ 453 */
472 ata_check_status(ap); 454 ata_sff_check_status(ap);
473 handled = 1; 455 handled = 1;
474 continue; 456 continue;
475 } 457 }
@@ -477,7 +459,7 @@ static inline unsigned int qs_intr_mmio(struct ata_host *host)
477 if (!pp || pp->state != qs_state_mmio) 459 if (!pp || pp->state != qs_state_mmio)
478 continue; 460 continue;
479 if (!(qc->tf.flags & ATA_TFLAG_POLLING)) 461 if (!(qc->tf.flags & ATA_TFLAG_POLLING))
480 handled |= ata_host_intr(ap, qc); 462 handled |= ata_sff_host_intr(ap, qc);
481 } 463 }
482 } 464 }
483 return handled; 465 return handled;
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 0b8191b52f97..88bf4212590f 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -60,7 +60,6 @@ enum {
60 60
61 SIL_DFL_PORT_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 61 SIL_DFL_PORT_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
62 ATA_FLAG_MMIO, 62 ATA_FLAG_MMIO,
63 SIL_DFL_LINK_FLAGS = ATA_LFLAG_HRST_TO_RESUME,
64 63
65 /* 64 /*
66 * Controller IDs 65 * Controller IDs
@@ -168,54 +167,23 @@ static struct pci_driver sil_pci_driver = {
168}; 167};
169 168
170static struct scsi_host_template sil_sht = { 169static struct scsi_host_template sil_sht = {
171 .module = THIS_MODULE, 170 ATA_BMDMA_SHT(DRV_NAME),
172 .name = DRV_NAME,
173 .ioctl = ata_scsi_ioctl,
174 .queuecommand = ata_scsi_queuecmd,
175 .can_queue = ATA_DEF_QUEUE,
176 .this_id = ATA_SHT_THIS_ID,
177 .sg_tablesize = LIBATA_MAX_PRD,
178 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
179 .emulated = ATA_SHT_EMULATED,
180 .use_clustering = ATA_SHT_USE_CLUSTERING,
181 .proc_name = DRV_NAME,
182 .dma_boundary = ATA_DMA_BOUNDARY,
183 .slave_configure = ata_scsi_slave_config,
184 .slave_destroy = ata_scsi_slave_destroy,
185 .bios_param = ata_std_bios_param,
186}; 171};
187 172
188static const struct ata_port_operations sil_ops = { 173static struct ata_port_operations sil_ops = {
174 .inherits = &ata_bmdma_port_ops,
189 .dev_config = sil_dev_config, 175 .dev_config = sil_dev_config,
190 .tf_load = ata_tf_load,
191 .tf_read = ata_tf_read,
192 .check_status = ata_check_status,
193 .exec_command = ata_exec_command,
194 .dev_select = ata_std_dev_select,
195 .set_mode = sil_set_mode, 176 .set_mode = sil_set_mode,
196 .bmdma_setup = ata_bmdma_setup,
197 .bmdma_start = ata_bmdma_start,
198 .bmdma_stop = ata_bmdma_stop,
199 .bmdma_status = ata_bmdma_status,
200 .qc_prep = ata_qc_prep,
201 .qc_issue = ata_qc_issue_prot,
202 .data_xfer = ata_data_xfer,
203 .freeze = sil_freeze, 177 .freeze = sil_freeze,
204 .thaw = sil_thaw, 178 .thaw = sil_thaw,
205 .error_handler = ata_bmdma_error_handler,
206 .post_internal_cmd = ata_bmdma_post_internal_cmd,
207 .irq_clear = ata_bmdma_irq_clear,
208 .irq_on = ata_irq_on,
209 .scr_read = sil_scr_read, 179 .scr_read = sil_scr_read,
210 .scr_write = sil_scr_write, 180 .scr_write = sil_scr_write,
211 .port_start = ata_port_start,
212}; 181};
213 182
214static const struct ata_port_info sil_port_info[] = { 183static const struct ata_port_info sil_port_info[] = {
215 /* sil_3112 */ 184 /* sil_3112 */
216 { 185 {
217 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE, 186 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE,
218 .link_flags = SIL_DFL_LINK_FLAGS,
219 .pio_mask = 0x1f, /* pio0-4 */ 187 .pio_mask = 0x1f, /* pio0-4 */
220 .mwdma_mask = 0x07, /* mwdma0-2 */ 188 .mwdma_mask = 0x07, /* mwdma0-2 */
221 .udma_mask = ATA_UDMA5, 189 .udma_mask = ATA_UDMA5,
@@ -225,7 +193,6 @@ static const struct ata_port_info sil_port_info[] = {
225 { 193 {
226 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE | 194 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE |
227 SIL_FLAG_NO_SATA_IRQ, 195 SIL_FLAG_NO_SATA_IRQ,
228 .link_flags = SIL_DFL_LINK_FLAGS,
229 .pio_mask = 0x1f, /* pio0-4 */ 196 .pio_mask = 0x1f, /* pio0-4 */
230 .mwdma_mask = 0x07, /* mwdma0-2 */ 197 .mwdma_mask = 0x07, /* mwdma0-2 */
231 .udma_mask = ATA_UDMA5, 198 .udma_mask = ATA_UDMA5,
@@ -234,7 +201,6 @@ static const struct ata_port_info sil_port_info[] = {
234 /* sil_3512 */ 201 /* sil_3512 */
235 { 202 {
236 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT, 203 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
237 .link_flags = SIL_DFL_LINK_FLAGS,
238 .pio_mask = 0x1f, /* pio0-4 */ 204 .pio_mask = 0x1f, /* pio0-4 */
239 .mwdma_mask = 0x07, /* mwdma0-2 */ 205 .mwdma_mask = 0x07, /* mwdma0-2 */
240 .udma_mask = ATA_UDMA5, 206 .udma_mask = ATA_UDMA5,
@@ -243,7 +209,6 @@ static const struct ata_port_info sil_port_info[] = {
243 /* sil_3114 */ 209 /* sil_3114 */
244 { 210 {
245 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT, 211 .flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
246 .link_flags = SIL_DFL_LINK_FLAGS,
247 .pio_mask = 0x1f, /* pio0-4 */ 212 .pio_mask = 0x1f, /* pio0-4 */
248 .mwdma_mask = 0x07, /* mwdma0-2 */ 213 .mwdma_mask = 0x07, /* mwdma0-2 */
249 .udma_mask = ATA_UDMA5, 214 .udma_mask = ATA_UDMA5,
@@ -404,7 +369,7 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
404 369
405 if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) { 370 if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) {
406 /* this sometimes happens, just clear IRQ */ 371 /* this sometimes happens, just clear IRQ */
407 ata_chk_status(ap); 372 ap->ops->sff_check_status(ap);
408 return; 373 return;
409 } 374 }
410 375
@@ -440,15 +405,15 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
440 } 405 }
441 406
442 /* check main status, clearing INTRQ */ 407 /* check main status, clearing INTRQ */
443 status = ata_chk_status(ap); 408 status = ap->ops->sff_check_status(ap);
444 if (unlikely(status & ATA_BUSY)) 409 if (unlikely(status & ATA_BUSY))
445 goto err_hsm; 410 goto err_hsm;
446 411
447 /* ack bmdma irq events */ 412 /* ack bmdma irq events */
448 ata_bmdma_irq_clear(ap); 413 ata_sff_irq_clear(ap);
449 414
450 /* kick HSM in the ass */ 415 /* kick HSM in the ass */
451 ata_hsm_move(ap, qc, status, 0); 416 ata_sff_hsm_move(ap, qc, status, 0);
452 417
453 if (unlikely(qc->err_mask) && ata_is_dma(qc->tf.protocol)) 418 if (unlikely(qc->err_mask) && ata_is_dma(qc->tf.protocol))
454 ata_ehi_push_desc(ehi, "BMDMA2 stat 0x%x", bmdma2); 419 ata_ehi_push_desc(ehi, "BMDMA2 stat 0x%x", bmdma2);
@@ -515,8 +480,8 @@ static void sil_thaw(struct ata_port *ap)
515 u32 tmp; 480 u32 tmp;
516 481
517 /* clear IRQ */ 482 /* clear IRQ */
518 ata_chk_status(ap); 483 ap->ops->sff_check_status(ap);
519 ata_bmdma_irq_clear(ap); 484 ata_sff_irq_clear(ap);
520 485
521 /* turn on SATA IRQ if supported */ 486 /* turn on SATA IRQ if supported */
522 if (!(ap->flags & SIL_FLAG_NO_SATA_IRQ)) 487 if (!(ap->flags & SIL_FLAG_NO_SATA_IRQ))
@@ -690,7 +655,7 @@ static int sil_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
690 ioaddr->ctl_addr = mmio_base + sil_port[i].ctl; 655 ioaddr->ctl_addr = mmio_base + sil_port[i].ctl;
691 ioaddr->bmdma_addr = mmio_base + sil_port[i].bmdma; 656 ioaddr->bmdma_addr = mmio_base + sil_port[i].bmdma;
692 ioaddr->scr_addr = mmio_base + sil_port[i].scr; 657 ioaddr->scr_addr = mmio_base + sil_port[i].scr;
693 ata_std_ports(ioaddr); 658 ata_sff_std_ports(ioaddr);
694 659
695 ata_port_pbar_desc(ap, SIL_MMIO_BAR, -1, "mmio"); 660 ata_port_pbar_desc(ap, SIL_MMIO_BAR, -1, "mmio");
696 ata_port_pbar_desc(ap, SIL_MMIO_BAR, sil_port[i].tf, "tf"); 661 ata_port_pbar_desc(ap, SIL_MMIO_BAR, sil_port[i].tf, "tf");
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index df7988df7908..27a110110077 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -254,7 +254,6 @@ enum {
254 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | 254 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
255 ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA | 255 ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA |
256 ATA_FLAG_AN | ATA_FLAG_PMP, 256 ATA_FLAG_AN | ATA_FLAG_PMP,
257 SIL24_COMMON_LFLAGS = ATA_LFLAG_SKIP_D2H_BSY,
258 SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */ 257 SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */
259 258
260 IRQ_STAT_4PORTS = 0xf, 259 IRQ_STAT_4PORTS = 0xf,
@@ -286,45 +285,45 @@ static struct sil24_cerr_info {
286 "device error via D2H FIS" }, 285 "device error via D2H FIS" },
287 [PORT_CERR_SDB] = { AC_ERR_DEV, 0, 286 [PORT_CERR_SDB] = { AC_ERR_DEV, 0,
288 "device error via SDB FIS" }, 287 "device error via SDB FIS" },
289 [PORT_CERR_DATA] = { AC_ERR_ATA_BUS, ATA_EH_SOFTRESET, 288 [PORT_CERR_DATA] = { AC_ERR_ATA_BUS, ATA_EH_RESET,
290 "error in data FIS" }, 289 "error in data FIS" },
291 [PORT_CERR_SEND] = { AC_ERR_ATA_BUS, ATA_EH_SOFTRESET, 290 [PORT_CERR_SEND] = { AC_ERR_ATA_BUS, ATA_EH_RESET,
292 "failed to transmit command FIS" }, 291 "failed to transmit command FIS" },
293 [PORT_CERR_INCONSISTENT] = { AC_ERR_HSM, ATA_EH_SOFTRESET, 292 [PORT_CERR_INCONSISTENT] = { AC_ERR_HSM, ATA_EH_RESET,
294 "protocol mismatch" }, 293 "protocol mismatch" },
295 [PORT_CERR_DIRECTION] = { AC_ERR_HSM, ATA_EH_SOFTRESET, 294 [PORT_CERR_DIRECTION] = { AC_ERR_HSM, ATA_EH_RESET,
296 "data directon mismatch" }, 295 "data directon mismatch" },
297 [PORT_CERR_UNDERRUN] = { AC_ERR_HSM, ATA_EH_SOFTRESET, 296 [PORT_CERR_UNDERRUN] = { AC_ERR_HSM, ATA_EH_RESET,
298 "ran out of SGEs while writing" }, 297 "ran out of SGEs while writing" },
299 [PORT_CERR_OVERRUN] = { AC_ERR_HSM, ATA_EH_SOFTRESET, 298 [PORT_CERR_OVERRUN] = { AC_ERR_HSM, ATA_EH_RESET,
300 "ran out of SGEs while reading" }, 299 "ran out of SGEs while reading" },
301 [PORT_CERR_PKT_PROT] = { AC_ERR_HSM, ATA_EH_SOFTRESET, 300 [PORT_CERR_PKT_PROT] = { AC_ERR_HSM, ATA_EH_RESET,
302 "invalid data directon for ATAPI CDB" }, 301 "invalid data directon for ATAPI CDB" },
303 [PORT_CERR_SGT_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_SOFTRESET, 302 [PORT_CERR_SGT_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_RESET,
304 "SGT not on qword boundary" }, 303 "SGT not on qword boundary" },
305 [PORT_CERR_SGT_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 304 [PORT_CERR_SGT_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
306 "PCI target abort while fetching SGT" }, 305 "PCI target abort while fetching SGT" },
307 [PORT_CERR_SGT_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 306 [PORT_CERR_SGT_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
308 "PCI master abort while fetching SGT" }, 307 "PCI master abort while fetching SGT" },
309 [PORT_CERR_SGT_PCIPERR] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 308 [PORT_CERR_SGT_PCIPERR] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
310 "PCI parity error while fetching SGT" }, 309 "PCI parity error while fetching SGT" },
311 [PORT_CERR_CMD_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_SOFTRESET, 310 [PORT_CERR_CMD_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_RESET,
312 "PRB not on qword boundary" }, 311 "PRB not on qword boundary" },
313 [PORT_CERR_CMD_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 312 [PORT_CERR_CMD_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
314 "PCI target abort while fetching PRB" }, 313 "PCI target abort while fetching PRB" },
315 [PORT_CERR_CMD_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 314 [PORT_CERR_CMD_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
316 "PCI master abort while fetching PRB" }, 315 "PCI master abort while fetching PRB" },
317 [PORT_CERR_CMD_PCIPERR] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 316 [PORT_CERR_CMD_PCIPERR] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
318 "PCI parity error while fetching PRB" }, 317 "PCI parity error while fetching PRB" },
319 [PORT_CERR_XFR_UNDEF] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 318 [PORT_CERR_XFR_UNDEF] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
320 "undefined error while transferring data" }, 319 "undefined error while transferring data" },
321 [PORT_CERR_XFR_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 320 [PORT_CERR_XFR_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
322 "PCI target abort while transferring data" }, 321 "PCI target abort while transferring data" },
323 [PORT_CERR_XFR_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 322 [PORT_CERR_XFR_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
324 "PCI master abort while transferring data" }, 323 "PCI master abort while transferring data" },
325 [PORT_CERR_XFR_PCIPERR] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, 324 [PORT_CERR_XFR_PCIPERR] = { AC_ERR_HOST_BUS, ATA_EH_RESET,
326 "PCI parity error while transferring data" }, 325 "PCI parity error while transferring data" },
327 [PORT_CERR_SENDSERVICE] = { AC_ERR_HSM, ATA_EH_SOFTRESET, 326 [PORT_CERR_SENDSERVICE] = { AC_ERR_HSM, ATA_EH_RESET,
328 "FIS received while sending service FIS" }, 327 "FIS received while sending service FIS" },
329}; 328};
330 329
@@ -337,23 +336,26 @@ static struct sil24_cerr_info {
337struct sil24_port_priv { 336struct sil24_port_priv {
338 union sil24_cmd_block *cmd_block; /* 32 cmd blocks */ 337 union sil24_cmd_block *cmd_block; /* 32 cmd blocks */
339 dma_addr_t cmd_block_dma; /* DMA base addr for them */ 338 dma_addr_t cmd_block_dma; /* DMA base addr for them */
340 struct ata_taskfile tf; /* Cached taskfile registers */
341 int do_port_rst; 339 int do_port_rst;
342}; 340};
343 341
344static void sil24_dev_config(struct ata_device *dev); 342static void sil24_dev_config(struct ata_device *dev);
345static u8 sil24_check_status(struct ata_port *ap);
346static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val); 343static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val);
347static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val); 344static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val);
348static void sil24_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
349static int sil24_qc_defer(struct ata_queued_cmd *qc); 345static int sil24_qc_defer(struct ata_queued_cmd *qc);
350static void sil24_qc_prep(struct ata_queued_cmd *qc); 346static void sil24_qc_prep(struct ata_queued_cmd *qc);
351static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc); 347static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc);
352static void sil24_irq_clear(struct ata_port *ap); 348static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc);
353static void sil24_pmp_attach(struct ata_port *ap); 349static void sil24_pmp_attach(struct ata_port *ap);
354static void sil24_pmp_detach(struct ata_port *ap); 350static void sil24_pmp_detach(struct ata_port *ap);
355static void sil24_freeze(struct ata_port *ap); 351static void sil24_freeze(struct ata_port *ap);
356static void sil24_thaw(struct ata_port *ap); 352static void sil24_thaw(struct ata_port *ap);
353static int sil24_softreset(struct ata_link *link, unsigned int *class,
354 unsigned long deadline);
355static int sil24_hardreset(struct ata_link *link, unsigned int *class,
356 unsigned long deadline);
357static int sil24_pmp_hardreset(struct ata_link *link, unsigned int *class,
358 unsigned long deadline);
357static void sil24_error_handler(struct ata_port *ap); 359static void sil24_error_handler(struct ata_port *ap);
358static void sil24_post_internal_cmd(struct ata_queued_cmd *qc); 360static void sil24_post_internal_cmd(struct ata_queued_cmd *qc);
359static int sil24_port_start(struct ata_port *ap); 361static int sil24_port_start(struct ata_port *ap);
@@ -386,52 +388,36 @@ static struct pci_driver sil24_pci_driver = {
386}; 388};
387 389
388static struct scsi_host_template sil24_sht = { 390static struct scsi_host_template sil24_sht = {
389 .module = THIS_MODULE, 391 ATA_NCQ_SHT(DRV_NAME),
390 .name = DRV_NAME,
391 .ioctl = ata_scsi_ioctl,
392 .queuecommand = ata_scsi_queuecmd,
393 .change_queue_depth = ata_scsi_change_queue_depth,
394 .can_queue = SIL24_MAX_CMDS, 392 .can_queue = SIL24_MAX_CMDS,
395 .this_id = ATA_SHT_THIS_ID,
396 .sg_tablesize = SIL24_MAX_SGE, 393 .sg_tablesize = SIL24_MAX_SGE,
397 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
398 .emulated = ATA_SHT_EMULATED,
399 .use_clustering = ATA_SHT_USE_CLUSTERING,
400 .proc_name = DRV_NAME,
401 .dma_boundary = ATA_DMA_BOUNDARY, 394 .dma_boundary = ATA_DMA_BOUNDARY,
402 .slave_configure = ata_scsi_slave_config,
403 .slave_destroy = ata_scsi_slave_destroy,
404 .bios_param = ata_std_bios_param,
405}; 395};
406 396
407static const struct ata_port_operations sil24_ops = { 397static struct ata_port_operations sil24_ops = {
408 .dev_config = sil24_dev_config, 398 .inherits = &sata_pmp_port_ops,
409
410 .check_status = sil24_check_status,
411 .check_altstatus = sil24_check_status,
412 .dev_select = ata_noop_dev_select,
413
414 .tf_read = sil24_tf_read,
415 399
416 .qc_defer = sil24_qc_defer, 400 .qc_defer = sil24_qc_defer,
417 .qc_prep = sil24_qc_prep, 401 .qc_prep = sil24_qc_prep,
418 .qc_issue = sil24_qc_issue, 402 .qc_issue = sil24_qc_issue,
403 .qc_fill_rtf = sil24_qc_fill_rtf,
419 404
420 .irq_clear = sil24_irq_clear, 405 .freeze = sil24_freeze,
406 .thaw = sil24_thaw,
407 .softreset = sil24_softreset,
408 .hardreset = sil24_hardreset,
409 .pmp_softreset = sil24_softreset,
410 .pmp_hardreset = sil24_pmp_hardreset,
411 .error_handler = sil24_error_handler,
412 .post_internal_cmd = sil24_post_internal_cmd,
413 .dev_config = sil24_dev_config,
421 414
422 .scr_read = sil24_scr_read, 415 .scr_read = sil24_scr_read,
423 .scr_write = sil24_scr_write, 416 .scr_write = sil24_scr_write,
424
425 .pmp_attach = sil24_pmp_attach, 417 .pmp_attach = sil24_pmp_attach,
426 .pmp_detach = sil24_pmp_detach, 418 .pmp_detach = sil24_pmp_detach,
427 419
428 .freeze = sil24_freeze,
429 .thaw = sil24_thaw,
430 .error_handler = sil24_error_handler,
431 .post_internal_cmd = sil24_post_internal_cmd,
432
433 .port_start = sil24_port_start, 420 .port_start = sil24_port_start,
434
435#ifdef CONFIG_PM 421#ifdef CONFIG_PM
436 .port_resume = sil24_port_resume, 422 .port_resume = sil24_port_resume,
437#endif 423#endif
@@ -449,7 +435,6 @@ static const struct ata_port_info sil24_port_info[] = {
449 { 435 {
450 .flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(4) | 436 .flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(4) |
451 SIL24_FLAG_PCIX_IRQ_WOC, 437 SIL24_FLAG_PCIX_IRQ_WOC,
452 .link_flags = SIL24_COMMON_LFLAGS,
453 .pio_mask = 0x1f, /* pio0-4 */ 438 .pio_mask = 0x1f, /* pio0-4 */
454 .mwdma_mask = 0x07, /* mwdma0-2 */ 439 .mwdma_mask = 0x07, /* mwdma0-2 */
455 .udma_mask = ATA_UDMA5, /* udma0-5 */ 440 .udma_mask = ATA_UDMA5, /* udma0-5 */
@@ -458,7 +443,6 @@ static const struct ata_port_info sil24_port_info[] = {
458 /* sil_3132 */ 443 /* sil_3132 */
459 { 444 {
460 .flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(2), 445 .flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(2),
461 .link_flags = SIL24_COMMON_LFLAGS,
462 .pio_mask = 0x1f, /* pio0-4 */ 446 .pio_mask = 0x1f, /* pio0-4 */
463 .mwdma_mask = 0x07, /* mwdma0-2 */ 447 .mwdma_mask = 0x07, /* mwdma0-2 */
464 .udma_mask = ATA_UDMA5, /* udma0-5 */ 448 .udma_mask = ATA_UDMA5, /* udma0-5 */
@@ -467,7 +451,6 @@ static const struct ata_port_info sil24_port_info[] = {
467 /* sil_3131/sil_3531 */ 451 /* sil_3131/sil_3531 */
468 { 452 {
469 .flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(1), 453 .flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(1),
470 .link_flags = SIL24_COMMON_LFLAGS,
471 .pio_mask = 0x1f, /* pio0-4 */ 454 .pio_mask = 0x1f, /* pio0-4 */
472 .mwdma_mask = 0x07, /* mwdma0-2 */ 455 .mwdma_mask = 0x07, /* mwdma0-2 */
473 .udma_mask = ATA_UDMA5, /* udma0-5 */ 456 .udma_mask = ATA_UDMA5, /* udma0-5 */
@@ -482,9 +465,19 @@ static int sil24_tag(int tag)
482 return tag; 465 return tag;
483} 466}
484 467
468static unsigned long sil24_port_offset(struct ata_port *ap)
469{
470 return ap->port_no * PORT_REGS_SIZE;
471}
472
473static void __iomem *sil24_port_base(struct ata_port *ap)
474{
475 return ap->host->iomap[SIL24_PORT_BAR] + sil24_port_offset(ap);
476}
477
485static void sil24_dev_config(struct ata_device *dev) 478static void sil24_dev_config(struct ata_device *dev)
486{ 479{
487 void __iomem *port = dev->link->ap->ioaddr.cmd_addr; 480 void __iomem *port = sil24_port_base(dev->link->ap);
488 481
489 if (dev->cdb_len == 16) 482 if (dev->cdb_len == 16)
490 writel(PORT_CS_CDB16, port + PORT_CTRL_STAT); 483 writel(PORT_CS_CDB16, port + PORT_CTRL_STAT);
@@ -494,7 +487,7 @@ static void sil24_dev_config(struct ata_device *dev)
494 487
495static void sil24_read_tf(struct ata_port *ap, int tag, struct ata_taskfile *tf) 488static void sil24_read_tf(struct ata_port *ap, int tag, struct ata_taskfile *tf)
496{ 489{
497 void __iomem *port = ap->ioaddr.cmd_addr; 490 void __iomem *port = sil24_port_base(ap);
498 struct sil24_prb __iomem *prb; 491 struct sil24_prb __iomem *prb;
499 u8 fis[6 * 4]; 492 u8 fis[6 * 4];
500 493
@@ -503,12 +496,6 @@ static void sil24_read_tf(struct ata_port *ap, int tag, struct ata_taskfile *tf)
503 ata_tf_from_fis(fis, tf); 496 ata_tf_from_fis(fis, tf);
504} 497}
505 498
506static u8 sil24_check_status(struct ata_port *ap)
507{
508 struct sil24_port_priv *pp = ap->private_data;
509 return pp->tf.command;
510}
511
512static int sil24_scr_map[] = { 499static int sil24_scr_map[] = {
513 [SCR_CONTROL] = 0, 500 [SCR_CONTROL] = 0,
514 [SCR_STATUS] = 1, 501 [SCR_STATUS] = 1,
@@ -518,7 +505,7 @@ static int sil24_scr_map[] = {
518 505
519static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val) 506static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val)
520{ 507{
521 void __iomem *scr_addr = ap->ioaddr.scr_addr; 508 void __iomem *scr_addr = sil24_port_base(ap) + PORT_SCONTROL;
522 509
523 if (sc_reg < ARRAY_SIZE(sil24_scr_map)) { 510 if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
524 void __iomem *addr; 511 void __iomem *addr;
@@ -531,7 +518,7 @@ static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val)
531 518
532static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val) 519static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
533{ 520{
534 void __iomem *scr_addr = ap->ioaddr.scr_addr; 521 void __iomem *scr_addr = sil24_port_base(ap) + PORT_SCONTROL;
535 522
536 if (sc_reg < ARRAY_SIZE(sil24_scr_map)) { 523 if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
537 void __iomem *addr; 524 void __iomem *addr;
@@ -542,15 +529,9 @@ static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
542 return -EINVAL; 529 return -EINVAL;
543} 530}
544 531
545static void sil24_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
546{
547 struct sil24_port_priv *pp = ap->private_data;
548 *tf = pp->tf;
549}
550
551static void sil24_config_port(struct ata_port *ap) 532static void sil24_config_port(struct ata_port *ap)
552{ 533{
553 void __iomem *port = ap->ioaddr.cmd_addr; 534 void __iomem *port = sil24_port_base(ap);
554 535
555 /* configure IRQ WoC */ 536 /* configure IRQ WoC */
556 if (ap->flags & SIL24_FLAG_PCIX_IRQ_WOC) 537 if (ap->flags & SIL24_FLAG_PCIX_IRQ_WOC)
@@ -575,7 +556,7 @@ static void sil24_config_port(struct ata_port *ap)
575 556
576static void sil24_config_pmp(struct ata_port *ap, int attached) 557static void sil24_config_pmp(struct ata_port *ap, int attached)
577{ 558{
578 void __iomem *port = ap->ioaddr.cmd_addr; 559 void __iomem *port = sil24_port_base(ap);
579 560
580 if (attached) 561 if (attached)
581 writel(PORT_CS_PMP_EN, port + PORT_CTRL_STAT); 562 writel(PORT_CS_PMP_EN, port + PORT_CTRL_STAT);
@@ -585,7 +566,7 @@ static void sil24_config_pmp(struct ata_port *ap, int attached)
585 566
586static void sil24_clear_pmp(struct ata_port *ap) 567static void sil24_clear_pmp(struct ata_port *ap)
587{ 568{
588 void __iomem *port = ap->ioaddr.cmd_addr; 569 void __iomem *port = sil24_port_base(ap);
589 int i; 570 int i;
590 571
591 writel(PORT_CS_PMP_RESUME, port + PORT_CTRL_CLR); 572 writel(PORT_CS_PMP_RESUME, port + PORT_CTRL_CLR);
@@ -600,12 +581,12 @@ static void sil24_clear_pmp(struct ata_port *ap)
600 581
601static int sil24_init_port(struct ata_port *ap) 582static int sil24_init_port(struct ata_port *ap)
602{ 583{
603 void __iomem *port = ap->ioaddr.cmd_addr; 584 void __iomem *port = sil24_port_base(ap);
604 struct sil24_port_priv *pp = ap->private_data; 585 struct sil24_port_priv *pp = ap->private_data;
605 u32 tmp; 586 u32 tmp;
606 587
607 /* clear PMP error status */ 588 /* clear PMP error status */
608 if (ap->nr_pmp_links) 589 if (sata_pmp_attached(ap))
609 sil24_clear_pmp(ap); 590 sil24_clear_pmp(ap);
610 591
611 writel(PORT_CS_INIT, port + PORT_CTRL_STAT); 592 writel(PORT_CS_INIT, port + PORT_CTRL_STAT);
@@ -616,7 +597,7 @@ static int sil24_init_port(struct ata_port *ap)
616 597
617 if ((tmp & (PORT_CS_INIT | PORT_CS_RDY)) != PORT_CS_RDY) { 598 if ((tmp & (PORT_CS_INIT | PORT_CS_RDY)) != PORT_CS_RDY) {
618 pp->do_port_rst = 1; 599 pp->do_port_rst = 1;
619 ap->link.eh_context.i.action |= ATA_EH_HARDRESET; 600 ap->link.eh_context.i.action |= ATA_EH_RESET;
620 return -EIO; 601 return -EIO;
621 } 602 }
622 603
@@ -628,7 +609,7 @@ static int sil24_exec_polled_cmd(struct ata_port *ap, int pmp,
628 int is_cmd, u32 ctrl, 609 int is_cmd, u32 ctrl,
629 unsigned long timeout_msec) 610 unsigned long timeout_msec)
630{ 611{
631 void __iomem *port = ap->ioaddr.cmd_addr; 612 void __iomem *port = sil24_port_base(ap);
632 struct sil24_port_priv *pp = ap->private_data; 613 struct sil24_port_priv *pp = ap->private_data;
633 struct sil24_prb *prb = &pp->cmd_block[0].ata.prb; 614 struct sil24_prb *prb = &pp->cmd_block[0].ata.prb;
634 dma_addr_t paddr = pp->cmd_block_dma; 615 dma_addr_t paddr = pp->cmd_block_dma;
@@ -670,10 +651,11 @@ static int sil24_exec_polled_cmd(struct ata_port *ap, int pmp,
670 return rc; 651 return rc;
671} 652}
672 653
673static int sil24_do_softreset(struct ata_link *link, unsigned int *class, 654static int sil24_softreset(struct ata_link *link, unsigned int *class,
674 int pmp, unsigned long deadline) 655 unsigned long deadline)
675{ 656{
676 struct ata_port *ap = link->ap; 657 struct ata_port *ap = link->ap;
658 int pmp = sata_srst_pmp(link);
677 unsigned long timeout_msec = 0; 659 unsigned long timeout_msec = 0;
678 struct ata_taskfile tf; 660 struct ata_taskfile tf;
679 const char *reason; 661 const char *reason;
@@ -681,12 +663,6 @@ static int sil24_do_softreset(struct ata_link *link, unsigned int *class,
681 663
682 DPRINTK("ENTER\n"); 664 DPRINTK("ENTER\n");
683 665
684 if (ata_link_offline(link)) {
685 DPRINTK("PHY reports no device\n");
686 *class = ATA_DEV_NONE;
687 goto out;
688 }
689
690 /* put the port into known state */ 666 /* put the port into known state */
691 if (sil24_init_port(ap)) { 667 if (sil24_init_port(ap)) {
692 reason = "port not ready"; 668 reason = "port not ready";
@@ -711,10 +687,6 @@ static int sil24_do_softreset(struct ata_link *link, unsigned int *class,
711 sil24_read_tf(ap, 0, &tf); 687 sil24_read_tf(ap, 0, &tf);
712 *class = ata_dev_classify(&tf); 688 *class = ata_dev_classify(&tf);
713 689
714 if (*class == ATA_DEV_UNKNOWN)
715 *class = ATA_DEV_NONE;
716
717 out:
718 DPRINTK("EXIT, class=%u\n", *class); 690 DPRINTK("EXIT, class=%u\n", *class);
719 return 0; 691 return 0;
720 692
@@ -723,17 +695,11 @@ static int sil24_do_softreset(struct ata_link *link, unsigned int *class,
723 return -EIO; 695 return -EIO;
724} 696}
725 697
726static int sil24_softreset(struct ata_link *link, unsigned int *class,
727 unsigned long deadline)
728{
729 return sil24_do_softreset(link, class, SATA_PMP_CTRL_PORT, deadline);
730}
731
732static int sil24_hardreset(struct ata_link *link, unsigned int *class, 698static int sil24_hardreset(struct ata_link *link, unsigned int *class,
733 unsigned long deadline) 699 unsigned long deadline)
734{ 700{
735 struct ata_port *ap = link->ap; 701 struct ata_port *ap = link->ap;
736 void __iomem *port = ap->ioaddr.cmd_addr; 702 void __iomem *port = sil24_port_base(ap);
737 struct sil24_port_priv *pp = ap->private_data; 703 struct sil24_port_priv *pp = ap->private_data;
738 int did_port_rst = 0; 704 int did_port_rst = 0;
739 const char *reason; 705 const char *reason;
@@ -911,7 +877,7 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
911{ 877{
912 struct ata_port *ap = qc->ap; 878 struct ata_port *ap = qc->ap;
913 struct sil24_port_priv *pp = ap->private_data; 879 struct sil24_port_priv *pp = ap->private_data;
914 void __iomem *port = ap->ioaddr.cmd_addr; 880 void __iomem *port = sil24_port_base(ap);
915 unsigned int tag = sil24_tag(qc->tag); 881 unsigned int tag = sil24_tag(qc->tag);
916 dma_addr_t paddr; 882 dma_addr_t paddr;
917 void __iomem *activate; 883 void __iomem *activate;
@@ -925,9 +891,10 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
925 return 0; 891 return 0;
926} 892}
927 893
928static void sil24_irq_clear(struct ata_port *ap) 894static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc)
929{ 895{
930 /* unused */ 896 sil24_read_tf(qc->ap, qc->tag, &qc->result_tf);
897 return true;
931} 898}
932 899
933static void sil24_pmp_attach(struct ata_port *ap) 900static void sil24_pmp_attach(struct ata_port *ap)
@@ -942,12 +909,6 @@ static void sil24_pmp_detach(struct ata_port *ap)
942 sil24_config_pmp(ap, 0); 909 sil24_config_pmp(ap, 0);
943} 910}
944 911
945static int sil24_pmp_softreset(struct ata_link *link, unsigned int *class,
946 unsigned long deadline)
947{
948 return sil24_do_softreset(link, class, link->pmp, deadline);
949}
950
951static int sil24_pmp_hardreset(struct ata_link *link, unsigned int *class, 912static int sil24_pmp_hardreset(struct ata_link *link, unsigned int *class,
952 unsigned long deadline) 913 unsigned long deadline)
953{ 914{
@@ -960,12 +921,12 @@ static int sil24_pmp_hardreset(struct ata_link *link, unsigned int *class,
960 return rc; 921 return rc;
961 } 922 }
962 923
963 return sata_pmp_std_hardreset(link, class, deadline); 924 return sata_std_hardreset(link, class, deadline);
964} 925}
965 926
966static void sil24_freeze(struct ata_port *ap) 927static void sil24_freeze(struct ata_port *ap)
967{ 928{
968 void __iomem *port = ap->ioaddr.cmd_addr; 929 void __iomem *port = sil24_port_base(ap);
969 930
970 /* Port-wide IRQ mask in HOST_CTRL doesn't really work, clear 931 /* Port-wide IRQ mask in HOST_CTRL doesn't really work, clear
971 * PORT_IRQ_ENABLE instead. 932 * PORT_IRQ_ENABLE instead.
@@ -975,7 +936,7 @@ static void sil24_freeze(struct ata_port *ap)
975 936
976static void sil24_thaw(struct ata_port *ap) 937static void sil24_thaw(struct ata_port *ap)
977{ 938{
978 void __iomem *port = ap->ioaddr.cmd_addr; 939 void __iomem *port = sil24_port_base(ap);
979 u32 tmp; 940 u32 tmp;
980 941
981 /* clear IRQ */ 942 /* clear IRQ */
@@ -988,7 +949,7 @@ static void sil24_thaw(struct ata_port *ap)
988 949
989static void sil24_error_intr(struct ata_port *ap) 950static void sil24_error_intr(struct ata_port *ap)
990{ 951{
991 void __iomem *port = ap->ioaddr.cmd_addr; 952 void __iomem *port = sil24_port_base(ap);
992 struct sil24_port_priv *pp = ap->private_data; 953 struct sil24_port_priv *pp = ap->private_data;
993 struct ata_queued_cmd *qc = NULL; 954 struct ata_queued_cmd *qc = NULL;
994 struct ata_link *link; 955 struct ata_link *link;
@@ -1022,7 +983,7 @@ static void sil24_error_intr(struct ata_port *ap)
1022 983
1023 if (irq_stat & PORT_IRQ_UNK_FIS) { 984 if (irq_stat & PORT_IRQ_UNK_FIS) {
1024 ehi->err_mask |= AC_ERR_HSM; 985 ehi->err_mask |= AC_ERR_HSM;
1025 ehi->action |= ATA_EH_SOFTRESET; 986 ehi->action |= ATA_EH_RESET;
1026 ata_ehi_push_desc(ehi, "unknown FIS"); 987 ata_ehi_push_desc(ehi, "unknown FIS");
1027 freeze = 1; 988 freeze = 1;
1028 } 989 }
@@ -1043,14 +1004,14 @@ static void sil24_error_intr(struct ata_port *ap)
1043 */ 1004 */
1044 if (ap->nr_active_links >= 3) { 1005 if (ap->nr_active_links >= 3) {
1045 ehi->err_mask |= AC_ERR_OTHER; 1006 ehi->err_mask |= AC_ERR_OTHER;
1046 ehi->action |= ATA_EH_HARDRESET; 1007 ehi->action |= ATA_EH_RESET;
1047 ata_ehi_push_desc(ehi, "PMP DMA CS errata"); 1008 ata_ehi_push_desc(ehi, "PMP DMA CS errata");
1048 pp->do_port_rst = 1; 1009 pp->do_port_rst = 1;
1049 freeze = 1; 1010 freeze = 1;
1050 } 1011 }
1051 1012
1052 /* find out the offending link and qc */ 1013 /* find out the offending link and qc */
1053 if (ap->nr_pmp_links) { 1014 if (sata_pmp_attached(ap)) {
1054 context = readl(port + PORT_CONTEXT); 1015 context = readl(port + PORT_CONTEXT);
1055 pmp = (context >> 5) & 0xf; 1016 pmp = (context >> 5) & 0xf;
1056 1017
@@ -1064,7 +1025,7 @@ static void sil24_error_intr(struct ata_port *ap)
1064 irq_stat); 1025 irq_stat);
1065 } else { 1026 } else {
1066 err_mask |= AC_ERR_HSM; 1027 err_mask |= AC_ERR_HSM;
1067 action |= ATA_EH_HARDRESET; 1028 action |= ATA_EH_RESET;
1068 freeze = 1; 1029 freeze = 1;
1069 } 1030 }
1070 } else 1031 } else
@@ -1078,28 +1039,27 @@ static void sil24_error_intr(struct ata_port *ap)
1078 if (ci && ci->desc) { 1039 if (ci && ci->desc) {
1079 err_mask |= ci->err_mask; 1040 err_mask |= ci->err_mask;
1080 action |= ci->action; 1041 action |= ci->action;
1081 if (action & ATA_EH_RESET_MASK) 1042 if (action & ATA_EH_RESET)
1082 freeze = 1; 1043 freeze = 1;
1083 ata_ehi_push_desc(ehi, "%s", ci->desc); 1044 ata_ehi_push_desc(ehi, "%s", ci->desc);
1084 } else { 1045 } else {
1085 err_mask |= AC_ERR_OTHER; 1046 err_mask |= AC_ERR_OTHER;
1086 action |= ATA_EH_SOFTRESET; 1047 action |= ATA_EH_RESET;
1087 freeze = 1; 1048 freeze = 1;
1088 ata_ehi_push_desc(ehi, "unknown command error %d", 1049 ata_ehi_push_desc(ehi, "unknown command error %d",
1089 cerr); 1050 cerr);
1090 } 1051 }
1091 1052
1092 /* record error info */ 1053 /* record error info */
1093 if (qc) { 1054 if (qc)
1094 sil24_read_tf(ap, qc->tag, &pp->tf);
1095 qc->err_mask |= err_mask; 1055 qc->err_mask |= err_mask;
1096 } else 1056 else
1097 ehi->err_mask |= err_mask; 1057 ehi->err_mask |= err_mask;
1098 1058
1099 ehi->action |= action; 1059 ehi->action |= action;
1100 1060
1101 /* if PMP, resume */ 1061 /* if PMP, resume */
1102 if (ap->nr_pmp_links) 1062 if (sata_pmp_attached(ap))
1103 writel(PORT_CS_PMP_RESUME, port + PORT_CTRL_STAT); 1063 writel(PORT_CS_PMP_RESUME, port + PORT_CTRL_STAT);
1104 } 1064 }
1105 1065
@@ -1114,18 +1074,9 @@ static void sil24_error_intr(struct ata_port *ap)
1114 } 1074 }
1115} 1075}
1116 1076
1117static void sil24_finish_qc(struct ata_queued_cmd *qc)
1118{
1119 struct ata_port *ap = qc->ap;
1120 struct sil24_port_priv *pp = ap->private_data;
1121
1122 if (qc->flags & ATA_QCFLAG_RESULT_TF)
1123 sil24_read_tf(ap, qc->tag, &pp->tf);
1124}
1125
1126static inline void sil24_host_intr(struct ata_port *ap) 1077static inline void sil24_host_intr(struct ata_port *ap)
1127{ 1078{
1128 void __iomem *port = ap->ioaddr.cmd_addr; 1079 void __iomem *port = sil24_port_base(ap);
1129 u32 slot_stat, qc_active; 1080 u32 slot_stat, qc_active;
1130 int rc; 1081 int rc;
1131 1082
@@ -1147,13 +1098,13 @@ static inline void sil24_host_intr(struct ata_port *ap)
1147 } 1098 }
1148 1099
1149 qc_active = slot_stat & ~HOST_SSTAT_ATTN; 1100 qc_active = slot_stat & ~HOST_SSTAT_ATTN;
1150 rc = ata_qc_complete_multiple(ap, qc_active, sil24_finish_qc); 1101 rc = ata_qc_complete_multiple(ap, qc_active);
1151 if (rc > 0) 1102 if (rc > 0)
1152 return; 1103 return;
1153 if (rc < 0) { 1104 if (rc < 0) {
1154 struct ata_eh_info *ehi = &ap->link.eh_info; 1105 struct ata_eh_info *ehi = &ap->link.eh_info;
1155 ehi->err_mask |= AC_ERR_HSM; 1106 ehi->err_mask |= AC_ERR_HSM;
1156 ehi->action |= ATA_EH_SOFTRESET; 1107 ehi->action |= ATA_EH_RESET;
1157 ata_port_freeze(ap); 1108 ata_port_freeze(ap);
1158 return; 1109 return;
1159 } 1110 }
@@ -1209,11 +1160,7 @@ static void sil24_error_handler(struct ata_port *ap)
1209 if (sil24_init_port(ap)) 1160 if (sil24_init_port(ap))
1210 ata_eh_freeze_port(ap); 1161 ata_eh_freeze_port(ap);
1211 1162
1212 /* perform recovery */ 1163 sata_pmp_error_handler(ap);
1213 sata_pmp_do_eh(ap, ata_std_prereset, sil24_softreset, sil24_hardreset,
1214 ata_std_postreset, sata_pmp_std_prereset,
1215 sil24_pmp_softreset, sil24_pmp_hardreset,
1216 sata_pmp_std_postreset);
1217 1164
1218 pp->do_port_rst = 0; 1165 pp->do_port_rst = 0;
1219} 1166}
@@ -1239,8 +1186,6 @@ static int sil24_port_start(struct ata_port *ap)
1239 if (!pp) 1186 if (!pp)
1240 return -ENOMEM; 1187 return -ENOMEM;
1241 1188
1242 pp->tf.command = ATA_DRDY;
1243
1244 cb = dmam_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL); 1189 cb = dmam_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL);
1245 if (!cb) 1190 if (!cb)
1246 return -ENOMEM; 1191 return -ENOMEM;
@@ -1251,6 +1196,9 @@ static int sil24_port_start(struct ata_port *ap)
1251 1196
1252 ap->private_data = pp; 1197 ap->private_data = pp;
1253 1198
1199 ata_port_pbar_desc(ap, SIL24_HOST_BAR, -1, "host");
1200 ata_port_pbar_desc(ap, SIL24_PORT_BAR, sil24_port_offset(ap), "port");
1201
1254 return 0; 1202 return 0;
1255} 1203}
1256 1204
@@ -1269,7 +1217,8 @@ static void sil24_init_controller(struct ata_host *host)
1269 /* init ports */ 1217 /* init ports */
1270 for (i = 0; i < host->n_ports; i++) { 1218 for (i = 0; i < host->n_ports; i++) {
1271 struct ata_port *ap = host->ports[i]; 1219 struct ata_port *ap = host->ports[i];
1272 void __iomem *port = ap->ioaddr.cmd_addr; 1220 void __iomem *port = sil24_port_base(ap);
1221
1273 1222
1274 /* Initial PHY setting */ 1223 /* Initial PHY setting */
1275 writel(0x20c, port + PORT_PHY_CFG); 1224 writel(0x20c, port + PORT_PHY_CFG);
@@ -1302,7 +1251,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1302 const struct ata_port_info *ppi[] = { &pi, NULL }; 1251 const struct ata_port_info *ppi[] = { &pi, NULL };
1303 void __iomem * const *iomap; 1252 void __iomem * const *iomap;
1304 struct ata_host *host; 1253 struct ata_host *host;
1305 int i, rc; 1254 int rc;
1306 u32 tmp; 1255 u32 tmp;
1307 1256
1308 /* cause link error if sil24_cmd_block is sized wrongly */ 1257 /* cause link error if sil24_cmd_block is sized wrongly */
@@ -1342,18 +1291,6 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1342 return -ENOMEM; 1291 return -ENOMEM;
1343 host->iomap = iomap; 1292 host->iomap = iomap;
1344 1293
1345 for (i = 0; i < host->n_ports; i++) {
1346 struct ata_port *ap = host->ports[i];
1347 size_t offset = ap->port_no * PORT_REGS_SIZE;
1348 void __iomem *port = iomap[SIL24_PORT_BAR] + offset;
1349
1350 host->ports[i]->ioaddr.cmd_addr = port;
1351 host->ports[i]->ioaddr.scr_addr = port + PORT_SCONTROL;
1352
1353 ata_port_pbar_desc(ap, SIL24_HOST_BAR, -1, "host");
1354 ata_port_pbar_desc(ap, SIL24_PORT_BAR, offset, "port");
1355 }
1356
1357 /* configure and activate the device */ 1294 /* configure and activate the device */
1358 if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { 1295 if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
1359 rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); 1296 rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index a01260a56432..6b8e45ba32e8 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -86,45 +86,13 @@ static struct pci_driver sis_pci_driver = {
86}; 86};
87 87
88static struct scsi_host_template sis_sht = { 88static struct scsi_host_template sis_sht = {
89 .module = THIS_MODULE, 89 ATA_BMDMA_SHT(DRV_NAME),
90 .name = DRV_NAME,
91 .ioctl = ata_scsi_ioctl,
92 .queuecommand = ata_scsi_queuecmd,
93 .can_queue = ATA_DEF_QUEUE,
94 .this_id = ATA_SHT_THIS_ID,
95 .sg_tablesize = LIBATA_MAX_PRD,
96 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
97 .emulated = ATA_SHT_EMULATED,
98 .use_clustering = ATA_SHT_USE_CLUSTERING,
99 .proc_name = DRV_NAME,
100 .dma_boundary = ATA_DMA_BOUNDARY,
101 .slave_configure = ata_scsi_slave_config,
102 .slave_destroy = ata_scsi_slave_destroy,
103 .bios_param = ata_std_bios_param,
104}; 90};
105 91
106static const struct ata_port_operations sis_ops = { 92static struct ata_port_operations sis_ops = {
107 .tf_load = ata_tf_load, 93 .inherits = &ata_bmdma_port_ops,
108 .tf_read = ata_tf_read,
109 .check_status = ata_check_status,
110 .exec_command = ata_exec_command,
111 .dev_select = ata_std_dev_select,
112 .bmdma_setup = ata_bmdma_setup,
113 .bmdma_start = ata_bmdma_start,
114 .bmdma_stop = ata_bmdma_stop,
115 .bmdma_status = ata_bmdma_status,
116 .qc_prep = ata_qc_prep,
117 .qc_issue = ata_qc_issue_prot,
118 .data_xfer = ata_data_xfer,
119 .freeze = ata_bmdma_freeze,
120 .thaw = ata_bmdma_thaw,
121 .error_handler = ata_bmdma_error_handler,
122 .post_internal_cmd = ata_bmdma_post_internal_cmd,
123 .irq_clear = ata_bmdma_irq_clear,
124 .irq_on = ata_irq_on,
125 .scr_read = sis_scr_read, 94 .scr_read = sis_scr_read,
126 .scr_write = sis_scr_write, 95 .scr_write = sis_scr_write,
127 .port_start = ata_port_start,
128}; 96};
129 97
130static const struct ata_port_info sis_port_info = { 98static const struct ata_port_info sis_port_info = {
@@ -341,7 +309,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
341 break; 309 break;
342 } 310 }
343 311
344 rc = ata_pci_prepare_sff_host(pdev, ppi, &host); 312 rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
345 if (rc) 313 if (rc)
346 return rc; 314 return rc;
347 315
@@ -359,8 +327,8 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
359 327
360 pci_set_master(pdev); 328 pci_set_master(pdev);
361 pci_intx(pdev, 1); 329 pci_intx(pdev, 1);
362 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 330 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
363 &sis_sht); 331 IRQF_SHARED, &sis_sht);
364} 332}
365 333
366static int __init sis_init(void) 334static int __init sis_init(void)
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 019e367b59fc..16aa6839aa5a 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -233,7 +233,7 @@ static void k2_bmdma_setup_mmio(struct ata_queued_cmd *qc)
233 233
234 /* issue r/w command if this is not a ATA DMA command*/ 234 /* issue r/w command if this is not a ATA DMA command*/
235 if (qc->tf.protocol != ATA_PROT_DMA) 235 if (qc->tf.protocol != ATA_PROT_DMA)
236 ap->ops->exec_command(ap, &qc->tf); 236 ap->ops->sff_exec_command(ap, &qc->tf);
237} 237}
238 238
239/** 239/**
@@ -269,7 +269,7 @@ static void k2_bmdma_start_mmio(struct ata_queued_cmd *qc)
269 and the start command. */ 269 and the start command. */
270 /* issue r/w command if the access is to ATA*/ 270 /* issue r/w command if the access is to ATA*/
271 if (qc->tf.protocol == ATA_PROT_DMA) 271 if (qc->tf.protocol == ATA_PROT_DMA)
272 ap->ops->exec_command(ap, &qc->tf); 272 ap->ops->sff_exec_command(ap, &qc->tf);
273} 273}
274 274
275 275
@@ -327,50 +327,23 @@ static int k2_sata_proc_info(struct Scsi_Host *shost, char *page, char **start,
327 327
328 328
329static struct scsi_host_template k2_sata_sht = { 329static struct scsi_host_template k2_sata_sht = {
330 .module = THIS_MODULE, 330 ATA_BMDMA_SHT(DRV_NAME),
331 .name = DRV_NAME,
332 .ioctl = ata_scsi_ioctl,
333 .queuecommand = ata_scsi_queuecmd,
334 .can_queue = ATA_DEF_QUEUE,
335 .this_id = ATA_SHT_THIS_ID,
336 .sg_tablesize = LIBATA_MAX_PRD,
337 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
338 .emulated = ATA_SHT_EMULATED,
339 .use_clustering = ATA_SHT_USE_CLUSTERING,
340 .proc_name = DRV_NAME,
341 .dma_boundary = ATA_DMA_BOUNDARY,
342 .slave_configure = ata_scsi_slave_config,
343 .slave_destroy = ata_scsi_slave_destroy,
344#ifdef CONFIG_PPC_OF 331#ifdef CONFIG_PPC_OF
345 .proc_info = k2_sata_proc_info, 332 .proc_info = k2_sata_proc_info,
346#endif 333#endif
347 .bios_param = ata_std_bios_param,
348}; 334};
349 335
350 336
351static const struct ata_port_operations k2_sata_ops = { 337static struct ata_port_operations k2_sata_ops = {
352 .tf_load = k2_sata_tf_load, 338 .inherits = &ata_bmdma_port_ops,
353 .tf_read = k2_sata_tf_read, 339 .sff_tf_load = k2_sata_tf_load,
354 .check_status = k2_stat_check_status, 340 .sff_tf_read = k2_sata_tf_read,
355 .exec_command = ata_exec_command, 341 .sff_check_status = k2_stat_check_status,
356 .dev_select = ata_std_dev_select,
357 .check_atapi_dma = k2_sata_check_atapi_dma, 342 .check_atapi_dma = k2_sata_check_atapi_dma,
358 .bmdma_setup = k2_bmdma_setup_mmio, 343 .bmdma_setup = k2_bmdma_setup_mmio,
359 .bmdma_start = k2_bmdma_start_mmio, 344 .bmdma_start = k2_bmdma_start_mmio,
360 .bmdma_stop = ata_bmdma_stop,
361 .bmdma_status = ata_bmdma_status,
362 .qc_prep = ata_qc_prep,
363 .qc_issue = ata_qc_issue_prot,
364 .data_xfer = ata_data_xfer,
365 .freeze = ata_bmdma_freeze,
366 .thaw = ata_bmdma_thaw,
367 .error_handler = ata_bmdma_error_handler,
368 .post_internal_cmd = ata_bmdma_post_internal_cmd,
369 .irq_clear = ata_bmdma_irq_clear,
370 .irq_on = ata_irq_on,
371 .scr_read = k2_sata_scr_read, 345 .scr_read = k2_sata_scr_read,
372 .scr_write = k2_sata_scr_write, 346 .scr_write = k2_sata_scr_write,
373 .port_start = ata_port_start,
374}; 347};
375 348
376static const struct ata_port_info k2_port_info[] = { 349static const struct ata_port_info k2_port_info[] = {
@@ -519,8 +492,8 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en
519 writel(0x0, mmio_base + K2_SATA_SIM_OFFSET); 492 writel(0x0, mmio_base + K2_SATA_SIM_OFFSET);
520 493
521 pci_set_master(pdev); 494 pci_set_master(pdev);
522 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 495 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
523 &k2_sata_sht); 496 IRQF_SHARED, &k2_sata_sht);
524} 497}
525 498
526/* 0x240 is device ID for Apple K2 device 499/* 0x240 is device ID for Apple K2 device
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index e3d56bc6726d..ec04b8d3c791 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -232,40 +232,30 @@ static void pdc20621_get_from_dimm(struct ata_host *host,
232static void pdc20621_put_to_dimm(struct ata_host *host, 232static void pdc20621_put_to_dimm(struct ata_host *host,
233 void *psource, u32 offset, u32 size); 233 void *psource, u32 offset, u32 size);
234static void pdc20621_irq_clear(struct ata_port *ap); 234static void pdc20621_irq_clear(struct ata_port *ap);
235static unsigned int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc); 235static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc);
236 236
237 237
238static struct scsi_host_template pdc_sata_sht = { 238static struct scsi_host_template pdc_sata_sht = {
239 .module = THIS_MODULE, 239 ATA_BASE_SHT(DRV_NAME),
240 .name = DRV_NAME,
241 .ioctl = ata_scsi_ioctl,
242 .queuecommand = ata_scsi_queuecmd,
243 .can_queue = ATA_DEF_QUEUE,
244 .this_id = ATA_SHT_THIS_ID,
245 .sg_tablesize = LIBATA_MAX_PRD, 240 .sg_tablesize = LIBATA_MAX_PRD,
246 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
247 .emulated = ATA_SHT_EMULATED,
248 .use_clustering = ATA_SHT_USE_CLUSTERING,
249 .proc_name = DRV_NAME,
250 .dma_boundary = ATA_DMA_BOUNDARY, 241 .dma_boundary = ATA_DMA_BOUNDARY,
251 .slave_configure = ata_scsi_slave_config,
252 .slave_destroy = ata_scsi_slave_destroy,
253 .bios_param = ata_std_bios_param,
254}; 242};
255 243
256static const struct ata_port_operations pdc_20621_ops = { 244/* TODO: inherit from base port_ops after converting to new EH */
257 .tf_load = pdc_tf_load_mmio, 245static struct ata_port_operations pdc_20621_ops = {
258 .tf_read = ata_tf_read, 246 .sff_tf_load = pdc_tf_load_mmio,
259 .check_status = ata_check_status, 247 .sff_tf_read = ata_sff_tf_read,
260 .exec_command = pdc_exec_command_mmio, 248 .sff_check_status = ata_sff_check_status,
261 .dev_select = ata_std_dev_select, 249 .sff_exec_command = pdc_exec_command_mmio,
250 .sff_dev_select = ata_sff_dev_select,
262 .phy_reset = pdc_20621_phy_reset, 251 .phy_reset = pdc_20621_phy_reset,
263 .qc_prep = pdc20621_qc_prep, 252 .qc_prep = pdc20621_qc_prep,
264 .qc_issue = pdc20621_qc_issue_prot, 253 .qc_issue = pdc20621_qc_issue,
265 .data_xfer = ata_data_xfer, 254 .qc_fill_rtf = ata_sff_qc_fill_rtf,
255 .sff_data_xfer = ata_sff_data_xfer,
266 .eng_timeout = pdc_eng_timeout, 256 .eng_timeout = pdc_eng_timeout,
267 .irq_clear = pdc20621_irq_clear, 257 .sff_irq_clear = pdc20621_irq_clear,
268 .irq_on = ata_irq_on, 258 .sff_irq_on = ata_sff_irq_on,
269 .port_start = pdc_port_start, 259 .port_start = pdc_port_start,
270}; 260};
271 261
@@ -475,7 +465,7 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
475 void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR]; 465 void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR];
476 unsigned int portno = ap->port_no; 466 unsigned int portno = ap->port_no;
477 unsigned int i, si, idx, total_len = 0, sgt_len; 467 unsigned int i, si, idx, total_len = 0, sgt_len;
478 u32 *buf = (u32 *) &pp->dimm_buf[PDC_DIMM_HEADER_SZ]; 468 __le32 *buf = (__le32 *) &pp->dimm_buf[PDC_DIMM_HEADER_SZ];
479 469
480 WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP)); 470 WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP));
481 471
@@ -693,7 +683,7 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
693 } 683 }
694} 684}
695 685
696static unsigned int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc) 686static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc)
697{ 687{
698 switch (qc->tf.protocol) { 688 switch (qc->tf.protocol) {
699 case ATA_PROT_DMA: 689 case ATA_PROT_DMA:
@@ -709,7 +699,7 @@ static unsigned int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc)
709 break; 699 break;
710 } 700 }
711 701
712 return ata_qc_issue_prot(qc); 702 return ata_sff_qc_issue(qc);
713} 703}
714 704
715static inline unsigned int pdc20621_host_intr(struct ata_port *ap, 705static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
@@ -781,7 +771,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
781 /* command completion, but no data xfer */ 771 /* command completion, but no data xfer */
782 } else if (qc->tf.protocol == ATA_PROT_NODATA) { 772 } else if (qc->tf.protocol == ATA_PROT_NODATA) {
783 773
784 status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000); 774 status = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
785 DPRINTK("BUS_NODATA (drv_stat 0x%X)\n", status); 775 DPRINTK("BUS_NODATA (drv_stat 0x%X)\n", status);
786 qc->err_mask |= ac_err_mask(status); 776 qc->err_mask |= ac_err_mask(status);
787 ata_qc_complete(qc); 777 ata_qc_complete(qc);
@@ -890,7 +880,7 @@ static void pdc_eng_timeout(struct ata_port *ap)
890 break; 880 break;
891 881
892 default: 882 default:
893 drv_stat = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000); 883 drv_stat = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
894 884
895 ata_port_printk(ap, KERN_ERR, 885 ata_port_printk(ap, KERN_ERR,
896 "unknown timeout, cmd 0x%x stat 0x%x\n", 886 "unknown timeout, cmd 0x%x stat 0x%x\n",
@@ -909,7 +899,7 @@ static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
909{ 899{
910 WARN_ON(tf->protocol == ATA_PROT_DMA || 900 WARN_ON(tf->protocol == ATA_PROT_DMA ||
911 tf->protocol == ATA_PROT_NODATA); 901 tf->protocol == ATA_PROT_NODATA);
912 ata_tf_load(ap, tf); 902 ata_sff_tf_load(ap, tf);
913} 903}
914 904
915 905
@@ -917,7 +907,7 @@ static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile
917{ 907{
918 WARN_ON(tf->protocol == ATA_PROT_DMA || 908 WARN_ON(tf->protocol == ATA_PROT_DMA ||
919 tf->protocol == ATA_PROT_NODATA); 909 tf->protocol == ATA_PROT_NODATA);
920 ata_exec_command(ap, tf); 910 ata_sff_exec_command(ap, tf);
921} 911}
922 912
923 913
diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c
index e710e71b7b92..f277cea904ce 100644
--- a/drivers/ata/sata_uli.c
+++ b/drivers/ata/sata_uli.c
@@ -76,50 +76,13 @@ static struct pci_driver uli_pci_driver = {
76}; 76};
77 77
78static struct scsi_host_template uli_sht = { 78static struct scsi_host_template uli_sht = {
79 .module = THIS_MODULE, 79 ATA_BMDMA_SHT(DRV_NAME),
80 .name = DRV_NAME,
81 .ioctl = ata_scsi_ioctl,
82 .queuecommand = ata_scsi_queuecmd,
83 .can_queue = ATA_DEF_QUEUE,
84 .this_id = ATA_SHT_THIS_ID,
85 .sg_tablesize = LIBATA_MAX_PRD,
86 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
87 .emulated = ATA_SHT_EMULATED,
88 .use_clustering = ATA_SHT_USE_CLUSTERING,
89 .proc_name = DRV_NAME,
90 .dma_boundary = ATA_DMA_BOUNDARY,
91 .slave_configure = ata_scsi_slave_config,
92 .slave_destroy = ata_scsi_slave_destroy,
93 .bios_param = ata_std_bios_param,
94}; 80};
95 81
96static const struct ata_port_operations uli_ops = { 82static struct ata_port_operations uli_ops = {
97 .tf_load = ata_tf_load, 83 .inherits = &ata_bmdma_port_ops,
98 .tf_read = ata_tf_read,
99 .check_status = ata_check_status,
100 .exec_command = ata_exec_command,
101 .dev_select = ata_std_dev_select,
102
103 .bmdma_setup = ata_bmdma_setup,
104 .bmdma_start = ata_bmdma_start,
105 .bmdma_stop = ata_bmdma_stop,
106 .bmdma_status = ata_bmdma_status,
107 .qc_prep = ata_qc_prep,
108 .qc_issue = ata_qc_issue_prot,
109 .data_xfer = ata_data_xfer,
110
111 .freeze = ata_bmdma_freeze,
112 .thaw = ata_bmdma_thaw,
113 .error_handler = ata_bmdma_error_handler,
114 .post_internal_cmd = ata_bmdma_post_internal_cmd,
115
116 .irq_clear = ata_bmdma_irq_clear,
117 .irq_on = ata_irq_on,
118
119 .scr_read = uli_scr_read, 84 .scr_read = uli_scr_read,
120 .scr_write = uli_scr_write, 85 .scr_write = uli_scr_write,
121
122 .port_start = ata_port_start,
123}; 86};
124 87
125static const struct ata_port_info uli_port_info = { 88static const struct ata_port_info uli_port_info = {
@@ -212,11 +175,11 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
212 host->private_data = hpriv; 175 host->private_data = hpriv;
213 176
214 /* the first two ports are standard SFF */ 177 /* the first two ports are standard SFF */
215 rc = ata_pci_init_sff_host(host); 178 rc = ata_pci_sff_init_host(host);
216 if (rc) 179 if (rc)
217 return rc; 180 return rc;
218 181
219 rc = ata_pci_init_bmdma(host); 182 rc = ata_pci_bmdma_init(host);
220 if (rc) 183 if (rc)
221 return rc; 184 return rc;
222 185
@@ -237,7 +200,7 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
237 ((unsigned long)iomap[1] | ATA_PCI_CTL_OFS) + 4; 200 ((unsigned long)iomap[1] | ATA_PCI_CTL_OFS) + 4;
238 ioaddr->bmdma_addr = iomap[4] + 16; 201 ioaddr->bmdma_addr = iomap[4] + 16;
239 hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4; 202 hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4;
240 ata_std_ports(ioaddr); 203 ata_sff_std_ports(ioaddr);
241 204
242 ata_port_desc(host->ports[2], 205 ata_port_desc(host->ports[2],
243 "cmd 0x%llx ctl 0x%llx bmdma 0x%llx", 206 "cmd 0x%llx ctl 0x%llx bmdma 0x%llx",
@@ -252,7 +215,7 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
252 ((unsigned long)iomap[3] | ATA_PCI_CTL_OFS) + 4; 215 ((unsigned long)iomap[3] | ATA_PCI_CTL_OFS) + 4;
253 ioaddr->bmdma_addr = iomap[4] + 24; 216 ioaddr->bmdma_addr = iomap[4] + 24;
254 hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5; 217 hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5;
255 ata_std_ports(ioaddr); 218 ata_sff_std_ports(ioaddr);
256 219
257 ata_port_desc(host->ports[2], 220 ata_port_desc(host->ports[2],
258 "cmd 0x%llx ctl 0x%llx bmdma 0x%llx", 221 "cmd 0x%llx ctl 0x%llx bmdma 0x%llx",
@@ -279,8 +242,8 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
279 242
280 pci_set_master(pdev); 243 pci_set_master(pdev);
281 pci_intx(pdev, 1); 244 pci_intx(pdev, 1);
282 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 245 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
283 &uli_sht); 246 IRQF_SHARED, &uli_sht);
284} 247}
285 248
286static int __init uli_init(void) 249static int __init uli_init(void)
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 0d03f44824fb..96deeb354e16 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -71,7 +71,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
71static int svia_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val); 71static int svia_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
72static int svia_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val); 72static int svia_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val);
73static void svia_noop_freeze(struct ata_port *ap); 73static void svia_noop_freeze(struct ata_port *ap);
74static void vt6420_error_handler(struct ata_port *ap); 74static int vt6420_prereset(struct ata_link *link, unsigned long deadline);
75static int vt6421_pata_cable_detect(struct ata_port *ap); 75static int vt6421_pata_cable_detect(struct ata_port *ap);
76static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev); 76static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev);
77static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev); 77static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev);
@@ -100,110 +100,26 @@ static struct pci_driver svia_pci_driver = {
100}; 100};
101 101
102static struct scsi_host_template svia_sht = { 102static struct scsi_host_template svia_sht = {
103 .module = THIS_MODULE, 103 ATA_BMDMA_SHT(DRV_NAME),
104 .name = DRV_NAME,
105 .ioctl = ata_scsi_ioctl,
106 .queuecommand = ata_scsi_queuecmd,
107 .can_queue = ATA_DEF_QUEUE,
108 .this_id = ATA_SHT_THIS_ID,
109 .sg_tablesize = LIBATA_MAX_PRD,
110 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
111 .emulated = ATA_SHT_EMULATED,
112 .use_clustering = ATA_SHT_USE_CLUSTERING,
113 .proc_name = DRV_NAME,
114 .dma_boundary = ATA_DMA_BOUNDARY,
115 .slave_configure = ata_scsi_slave_config,
116 .slave_destroy = ata_scsi_slave_destroy,
117 .bios_param = ata_std_bios_param,
118}; 104};
119 105
120static const struct ata_port_operations vt6420_sata_ops = { 106static struct ata_port_operations vt6420_sata_ops = {
121 .tf_load = ata_tf_load, 107 .inherits = &ata_bmdma_port_ops,
122 .tf_read = ata_tf_read,
123 .check_status = ata_check_status,
124 .exec_command = ata_exec_command,
125 .dev_select = ata_std_dev_select,
126
127 .bmdma_setup = ata_bmdma_setup,
128 .bmdma_start = ata_bmdma_start,
129 .bmdma_stop = ata_bmdma_stop,
130 .bmdma_status = ata_bmdma_status,
131
132 .qc_prep = ata_qc_prep,
133 .qc_issue = ata_qc_issue_prot,
134 .data_xfer = ata_data_xfer,
135
136 .freeze = svia_noop_freeze, 108 .freeze = svia_noop_freeze,
137 .thaw = ata_bmdma_thaw, 109 .prereset = vt6420_prereset,
138 .error_handler = vt6420_error_handler,
139 .post_internal_cmd = ata_bmdma_post_internal_cmd,
140
141 .irq_clear = ata_bmdma_irq_clear,
142 .irq_on = ata_irq_on,
143
144 .port_start = ata_port_start,
145}; 110};
146 111
147static const struct ata_port_operations vt6421_pata_ops = { 112static struct ata_port_operations vt6421_pata_ops = {
113 .inherits = &ata_bmdma_port_ops,
114 .cable_detect = vt6421_pata_cable_detect,
148 .set_piomode = vt6421_set_pio_mode, 115 .set_piomode = vt6421_set_pio_mode,
149 .set_dmamode = vt6421_set_dma_mode, 116 .set_dmamode = vt6421_set_dma_mode,
150
151 .tf_load = ata_tf_load,
152 .tf_read = ata_tf_read,
153 .check_status = ata_check_status,
154 .exec_command = ata_exec_command,
155 .dev_select = ata_std_dev_select,
156
157 .bmdma_setup = ata_bmdma_setup,
158 .bmdma_start = ata_bmdma_start,
159 .bmdma_stop = ata_bmdma_stop,
160 .bmdma_status = ata_bmdma_status,
161
162 .qc_prep = ata_qc_prep,
163 .qc_issue = ata_qc_issue_prot,
164 .data_xfer = ata_data_xfer,
165
166 .freeze = ata_bmdma_freeze,
167 .thaw = ata_bmdma_thaw,
168 .error_handler = ata_bmdma_error_handler,
169 .post_internal_cmd = ata_bmdma_post_internal_cmd,
170 .cable_detect = vt6421_pata_cable_detect,
171
172 .irq_clear = ata_bmdma_irq_clear,
173 .irq_on = ata_irq_on,
174
175 .port_start = ata_port_start,
176}; 117};
177 118
178static const struct ata_port_operations vt6421_sata_ops = { 119static struct ata_port_operations vt6421_sata_ops = {
179 .tf_load = ata_tf_load, 120 .inherits = &ata_bmdma_port_ops,
180 .tf_read = ata_tf_read,
181 .check_status = ata_check_status,
182 .exec_command = ata_exec_command,
183 .dev_select = ata_std_dev_select,
184
185 .bmdma_setup = ata_bmdma_setup,
186 .bmdma_start = ata_bmdma_start,
187 .bmdma_stop = ata_bmdma_stop,
188 .bmdma_status = ata_bmdma_status,
189
190 .qc_prep = ata_qc_prep,
191 .qc_issue = ata_qc_issue_prot,
192 .data_xfer = ata_data_xfer,
193
194 .freeze = ata_bmdma_freeze,
195 .thaw = ata_bmdma_thaw,
196 .error_handler = ata_bmdma_error_handler,
197 .post_internal_cmd = ata_bmdma_post_internal_cmd,
198 .cable_detect = ata_cable_sata,
199
200 .irq_clear = ata_bmdma_irq_clear,
201 .irq_on = ata_irq_on,
202
203 .scr_read = svia_scr_read, 121 .scr_read = svia_scr_read,
204 .scr_write = svia_scr_write, 122 .scr_write = svia_scr_write,
205
206 .port_start = ata_port_start,
207}; 123};
208 124
209static const struct ata_port_info vt6420_port_info = { 125static const struct ata_port_info vt6420_port_info = {
@@ -257,8 +173,8 @@ static void svia_noop_freeze(struct ata_port *ap)
257 /* Some VIA controllers choke if ATA_NIEN is manipulated in 173 /* Some VIA controllers choke if ATA_NIEN is manipulated in
258 * certain way. Leave it alone and just clear pending IRQ. 174 * certain way. Leave it alone and just clear pending IRQ.
259 */ 175 */
260 ata_chk_status(ap); 176 ap->ops->sff_check_status(ap);
261 ata_bmdma_irq_clear(ap); 177 ata_sff_irq_clear(ap);
262} 178}
263 179
264/** 180/**
@@ -320,23 +236,17 @@ static int vt6420_prereset(struct ata_link *link, unsigned long deadline)
320 236
321 if (!online) { 237 if (!online) {
322 /* tell EH to bail */ 238 /* tell EH to bail */
323 ehc->i.action &= ~ATA_EH_RESET_MASK; 239 ehc->i.action &= ~ATA_EH_RESET;
324 return 0; 240 return 0;
325 } 241 }
326 242
327 skip_scr: 243 skip_scr:
328 /* wait for !BSY */ 244 /* wait for !BSY */
329 ata_wait_ready(ap, deadline); 245 ata_sff_wait_ready(link, deadline);
330 246
331 return 0; 247 return 0;
332} 248}
333 249
334static void vt6420_error_handler(struct ata_port *ap)
335{
336 ata_bmdma_drive_eh(ap, vt6420_prereset, ata_std_softreset, NULL,
337 ata_std_postreset);
338}
339
340static int vt6421_pata_cable_detect(struct ata_port *ap) 250static int vt6421_pata_cable_detect(struct ata_port *ap)
341{ 251{
342 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 252 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -394,7 +304,7 @@ static void vt6421_init_addrs(struct ata_port *ap)
394 ioaddr->bmdma_addr = bmdma_addr; 304 ioaddr->bmdma_addr = bmdma_addr;
395 ioaddr->scr_addr = vt6421_scr_addr(iomap[5], ap->port_no); 305 ioaddr->scr_addr = vt6421_scr_addr(iomap[5], ap->port_no);
396 306
397 ata_std_ports(ioaddr); 307 ata_sff_std_ports(ioaddr);
398 308
399 ata_port_pbar_desc(ap, ap->port_no, -1, "port"); 309 ata_port_pbar_desc(ap, ap->port_no, -1, "port");
400 ata_port_pbar_desc(ap, 4, ap->port_no * 8, "bmdma"); 310 ata_port_pbar_desc(ap, 4, ap->port_no * 8, "bmdma");
@@ -406,7 +316,7 @@ static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
406 struct ata_host *host; 316 struct ata_host *host;
407 int rc; 317 int rc;
408 318
409 rc = ata_pci_prepare_sff_host(pdev, ppi, &host); 319 rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
410 if (rc) 320 if (rc)
411 return rc; 321 return rc;
412 *r_host = host; 322 *r_host = host;
@@ -538,8 +448,8 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
538 svia_configure(pdev); 448 svia_configure(pdev);
539 449
540 pci_set_master(pdev); 450 pci_set_master(pdev);
541 return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED, 451 return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
542 &svia_sht); 452 IRQF_SHARED, &svia_sht);
543} 453}
544 454
545static int __init svia_init(void) 455static int __init svia_init(void)
diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c
index 95ae3ed24a9d..f3d635c0a2e9 100644
--- a/drivers/ata/sata_vsc.c
+++ b/drivers/ata/sata_vsc.c
@@ -200,7 +200,7 @@ static void vsc_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
200 struct ata_ioports *ioaddr = &ap->ioaddr; 200 struct ata_ioports *ioaddr = &ap->ioaddr;
201 u16 nsect, lbal, lbam, lbah, feature; 201 u16 nsect, lbal, lbam, lbah, feature;
202 202
203 tf->command = ata_check_status(ap); 203 tf->command = ata_sff_check_status(ap);
204 tf->device = readw(ioaddr->device_addr); 204 tf->device = readw(ioaddr->device_addr);
205 feature = readw(ioaddr->error_addr); 205 feature = readw(ioaddr->error_addr);
206 nsect = readw(ioaddr->nsect_addr); 206 nsect = readw(ioaddr->nsect_addr);
@@ -243,7 +243,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap)
243 243
244 qc = ata_qc_from_tag(ap, ap->link.active_tag); 244 qc = ata_qc_from_tag(ap, ap->link.active_tag);
245 if (qc && likely(!(qc->tf.flags & ATA_TFLAG_POLLING))) 245 if (qc && likely(!(qc->tf.flags & ATA_TFLAG_POLLING)))
246 handled = ata_host_intr(ap, qc); 246 handled = ata_sff_host_intr(ap, qc);
247 247
248 /* We received an interrupt during a polled command, 248 /* We received an interrupt during a polled command,
249 * or some other spurious condition. Interrupt reporting 249 * or some other spurious condition. Interrupt reporting
@@ -251,7 +251,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap)
251 * simply clear the interrupt 251 * simply clear the interrupt
252 */ 252 */
253 if (unlikely(!handled)) 253 if (unlikely(!handled))
254 ata_chk_status(ap); 254 ap->ops->sff_check_status(ap);
255} 255}
256 256
257/* 257/*
@@ -300,46 +300,18 @@ out:
300 300
301 301
302static struct scsi_host_template vsc_sata_sht = { 302static struct scsi_host_template vsc_sata_sht = {
303 .module = THIS_MODULE, 303 ATA_BMDMA_SHT(DRV_NAME),
304 .name = DRV_NAME,
305 .ioctl = ata_scsi_ioctl,
306 .queuecommand = ata_scsi_queuecmd,
307 .can_queue = ATA_DEF_QUEUE,
308 .this_id = ATA_SHT_THIS_ID,
309 .sg_tablesize = LIBATA_MAX_PRD,
310 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
311 .emulated = ATA_SHT_EMULATED,
312 .use_clustering = ATA_SHT_USE_CLUSTERING,
313 .proc_name = DRV_NAME,
314 .dma_boundary = ATA_DMA_BOUNDARY,
315 .slave_configure = ata_scsi_slave_config,
316 .slave_destroy = ata_scsi_slave_destroy,
317 .bios_param = ata_std_bios_param,
318}; 304};
319 305
320 306
321static const struct ata_port_operations vsc_sata_ops = { 307static struct ata_port_operations vsc_sata_ops = {
322 .tf_load = vsc_sata_tf_load, 308 .inherits = &ata_bmdma_port_ops,
323 .tf_read = vsc_sata_tf_read, 309 .sff_tf_load = vsc_sata_tf_load,
324 .exec_command = ata_exec_command, 310 .sff_tf_read = vsc_sata_tf_read,
325 .check_status = ata_check_status,
326 .dev_select = ata_std_dev_select,
327 .bmdma_setup = ata_bmdma_setup,
328 .bmdma_start = ata_bmdma_start,
329 .bmdma_stop = ata_bmdma_stop,
330 .bmdma_status = ata_bmdma_status,
331 .qc_prep = ata_qc_prep,
332 .qc_issue = ata_qc_issue_prot,
333 .data_xfer = ata_data_xfer,
334 .freeze = vsc_freeze, 311 .freeze = vsc_freeze,
335 .thaw = vsc_thaw, 312 .thaw = vsc_thaw,
336 .error_handler = ata_bmdma_error_handler,
337 .post_internal_cmd = ata_bmdma_post_internal_cmd,
338 .irq_clear = ata_bmdma_irq_clear,
339 .irq_on = ata_irq_on,
340 .scr_read = vsc_sata_scr_read, 313 .scr_read = vsc_sata_scr_read,
341 .scr_write = vsc_sata_scr_write, 314 .scr_write = vsc_sata_scr_write,
342 .port_start = ata_port_start,
343}; 315};
344 316
345static void __devinit vsc_sata_setup_port(struct ata_ioports *port, 317static void __devinit vsc_sata_setup_port(struct ata_ioports *port,
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index c72014a3e7d4..65dc18dea845 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3937,7 +3937,7 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd)
3937 if (ipr_is_gata(res) && res->sata_port) { 3937 if (ipr_is_gata(res) && res->sata_port) {
3938 ap = res->sata_port->ap; 3938 ap = res->sata_port->ap;
3939 spin_unlock_irq(scsi_cmd->device->host->host_lock); 3939 spin_unlock_irq(scsi_cmd->device->host->host_lock);
3940 ata_do_eh(ap, NULL, NULL, ipr_sata_reset, NULL); 3940 ata_std_error_handler(ap);
3941 spin_lock_irq(scsi_cmd->device->host->host_lock); 3941 spin_lock_irq(scsi_cmd->device->host->host_lock);
3942 3942
3943 list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { 3943 list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
@@ -5041,33 +5041,6 @@ static void ipr_ata_post_internal(struct ata_queued_cmd *qc)
5041} 5041}
5042 5042
5043/** 5043/**
5044 * ipr_tf_read - Read the current ATA taskfile for the ATA port
5045 * @ap: ATA port
5046 * @tf: destination ATA taskfile
5047 *
5048 * Return value:
5049 * none
5050 **/
5051static void ipr_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
5052{
5053 struct ipr_sata_port *sata_port = ap->private_data;
5054 struct ipr_ioasa_gata *g = &sata_port->ioasa;
5055
5056 tf->feature = g->error;
5057 tf->nsect = g->nsect;
5058 tf->lbal = g->lbal;
5059 tf->lbam = g->lbam;
5060 tf->lbah = g->lbah;
5061 tf->device = g->device;
5062 tf->command = g->status;
5063 tf->hob_nsect = g->hob_nsect;
5064 tf->hob_lbal = g->hob_lbal;
5065 tf->hob_lbam = g->hob_lbam;
5066 tf->hob_lbah = g->hob_lbah;
5067 tf->ctl = g->alt_status;
5068}
5069
5070/**
5071 * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure 5044 * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure
5072 * @regs: destination 5045 * @regs: destination
5073 * @tf: source ATA taskfile 5046 * @tf: source ATA taskfile
@@ -5245,40 +5218,41 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc)
5245} 5218}
5246 5219
5247/** 5220/**
5248 * ipr_ata_check_status - Return last ATA status 5221 * ipr_qc_fill_rtf - Read result TF
5249 * @ap: ATA port 5222 * @qc: ATA queued command
5250 * 5223 *
5251 * Return value: 5224 * Return value:
5252 * ATA status 5225 * true
5253 **/ 5226 **/
5254static u8 ipr_ata_check_status(struct ata_port *ap) 5227static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc)
5255{ 5228{
5256 struct ipr_sata_port *sata_port = ap->private_data; 5229 struct ipr_sata_port *sata_port = qc->ap->private_data;
5257 return sata_port->ioasa.status; 5230 struct ipr_ioasa_gata *g = &sata_port->ioasa;
5258} 5231 struct ata_taskfile *tf = &qc->result_tf;
5259 5232
5260/** 5233 tf->feature = g->error;
5261 * ipr_ata_check_altstatus - Return last ATA altstatus 5234 tf->nsect = g->nsect;
5262 * @ap: ATA port 5235 tf->lbal = g->lbal;
5263 * 5236 tf->lbam = g->lbam;
5264 * Return value: 5237 tf->lbah = g->lbah;
5265 * Alt ATA status 5238 tf->device = g->device;
5266 **/ 5239 tf->command = g->status;
5267static u8 ipr_ata_check_altstatus(struct ata_port *ap) 5240 tf->hob_nsect = g->hob_nsect;
5268{ 5241 tf->hob_lbal = g->hob_lbal;
5269 struct ipr_sata_port *sata_port = ap->private_data; 5242 tf->hob_lbam = g->hob_lbam;
5270 return sata_port->ioasa.alt_status; 5243 tf->hob_lbah = g->hob_lbah;
5244 tf->ctl = g->alt_status;
5245
5246 return true;
5271} 5247}
5272 5248
5273static struct ata_port_operations ipr_sata_ops = { 5249static struct ata_port_operations ipr_sata_ops = {
5274 .check_status = ipr_ata_check_status,
5275 .check_altstatus = ipr_ata_check_altstatus,
5276 .dev_select = ata_noop_dev_select,
5277 .phy_reset = ipr_ata_phy_reset, 5250 .phy_reset = ipr_ata_phy_reset,
5251 .hardreset = ipr_sata_reset,
5278 .post_internal_cmd = ipr_ata_post_internal, 5252 .post_internal_cmd = ipr_ata_post_internal,
5279 .tf_read = ipr_tf_read,
5280 .qc_prep = ata_noop_qc_prep, 5253 .qc_prep = ata_noop_qc_prep,
5281 .qc_issue = ipr_qc_issue, 5254 .qc_issue = ipr_qc_issue,
5255 .qc_fill_rtf = ipr_qc_fill_rtf,
5282 .port_start = ata_sas_port_start, 5256 .port_start = ata_sas_port_start,
5283 .port_stop = ata_sas_port_stop 5257 .port_stop = ata_sas_port_stop
5284}; 5258};
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index b0e5ac372a32..a4811e4106df 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -225,10 +225,12 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
225 return 0; 225 return 0;
226} 226}
227 227
228static u8 sas_ata_check_status(struct ata_port *ap) 228static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc)
229{ 229{
230 struct domain_device *dev = ap->private_data; 230 struct domain_device *dev = qc->ap->private_data;
231 return dev->sata_dev.tf.command; 231
232 memcpy(&qc->result_tf, &dev->sata_dev.tf, sizeof(qc->result_tf));
233 return true;
232} 234}
233 235
234static void sas_ata_phy_reset(struct ata_port *ap) 236static void sas_ata_phy_reset(struct ata_port *ap)
@@ -292,12 +294,6 @@ static void sas_ata_post_internal(struct ata_queued_cmd *qc)
292 } 294 }
293} 295}
294 296
295static void sas_ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
296{
297 struct domain_device *dev = ap->private_data;
298 memcpy(tf, &dev->sata_dev.tf, sizeof (*tf));
299}
300
301static int sas_ata_scr_write(struct ata_port *ap, unsigned int sc_reg_in, 297static int sas_ata_scr_write(struct ata_port *ap, unsigned int sc_reg_in,
302 u32 val) 298 u32 val)
303{ 299{
@@ -348,14 +344,11 @@ static int sas_ata_scr_read(struct ata_port *ap, unsigned int sc_reg_in,
348} 344}
349 345
350static struct ata_port_operations sas_sata_ops = { 346static struct ata_port_operations sas_sata_ops = {
351 .check_status = sas_ata_check_status,
352 .check_altstatus = sas_ata_check_status,
353 .dev_select = ata_noop_dev_select,
354 .phy_reset = sas_ata_phy_reset, 347 .phy_reset = sas_ata_phy_reset,
355 .post_internal_cmd = sas_ata_post_internal, 348 .post_internal_cmd = sas_ata_post_internal,
356 .tf_read = sas_ata_tf_read,
357 .qc_prep = ata_noop_qc_prep, 349 .qc_prep = ata_noop_qc_prep,
358 .qc_issue = sas_ata_qc_issue, 350 .qc_issue = sas_ata_qc_issue,
351 .qc_fill_rtf = sas_ata_qc_fill_rtf,
359 .port_start = ata_sas_port_start, 352 .port_start = ata_sas_port_start,
360 .port_stop = ata_sas_port_stop, 353 .port_stop = ata_sas_port_stop,
361 .scr_read = sas_ata_scr_read, 354 .scr_read = sas_ata_scr_read,
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 37ee881c42ac..165734a2dd47 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -122,6 +122,8 @@ enum {
122 122
123 ATAPI_MAX_DRAIN = 16 << 10, 123 ATAPI_MAX_DRAIN = 16 << 10,
124 124
125 ATA_ALL_DEVICES = (1 << ATA_MAX_DEVICES) - 1,
126
125 ATA_SHT_EMULATED = 1, 127 ATA_SHT_EMULATED = 1,
126 ATA_SHT_CMD_PER_LUN = 1, 128 ATA_SHT_CMD_PER_LUN = 1,
127 ATA_SHT_THIS_ID = -1, 129 ATA_SHT_THIS_ID = -1,
@@ -163,9 +165,6 @@ enum {
163 ATA_DEV_NONE = 9, /* no device */ 165 ATA_DEV_NONE = 9, /* no device */
164 166
165 /* struct ata_link flags */ 167 /* struct ata_link flags */
166 ATA_LFLAG_HRST_TO_RESUME = (1 << 0), /* hardreset to resume link */
167 ATA_LFLAG_SKIP_D2H_BSY = (1 << 1), /* can't wait for the first D2H
168 * Register FIS clearing BSY */
169 ATA_LFLAG_NO_SRST = (1 << 2), /* avoid softreset */ 168 ATA_LFLAG_NO_SRST = (1 << 2), /* avoid softreset */
170 ATA_LFLAG_ASSUME_ATA = (1 << 3), /* assume ATA class */ 169 ATA_LFLAG_ASSUME_ATA = (1 << 3), /* assume ATA class */
171 ATA_LFLAG_ASSUME_SEMB = (1 << 4), /* assume SEMB class */ 170 ATA_LFLAG_ASSUME_SEMB = (1 << 4), /* assume SEMB class */
@@ -225,6 +224,7 @@ enum {
225 ATA_QCFLAG_RESULT_TF = (1 << 4), /* result TF requested */ 224 ATA_QCFLAG_RESULT_TF = (1 << 4), /* result TF requested */
226 ATA_QCFLAG_CLEAR_EXCL = (1 << 5), /* clear excl_link on completion */ 225 ATA_QCFLAG_CLEAR_EXCL = (1 << 5), /* clear excl_link on completion */
227 ATA_QCFLAG_QUIET = (1 << 6), /* don't report device error */ 226 ATA_QCFLAG_QUIET = (1 << 6), /* don't report device error */
227 ATA_QCFLAG_RETRY = (1 << 7), /* retry after failure */
228 228
229 ATA_QCFLAG_FAILED = (1 << 16), /* cmd failed and is owned by EH */ 229 ATA_QCFLAG_FAILED = (1 << 16), /* cmd failed and is owned by EH */
230 ATA_QCFLAG_SENSE_VALID = (1 << 17), /* sense data valid */ 230 ATA_QCFLAG_SENSE_VALID = (1 << 17), /* sense data valid */
@@ -249,6 +249,25 @@ enum {
249 */ 249 */
250 ATA_TMOUT_FF_WAIT = 4 * HZ / 5, 250 ATA_TMOUT_FF_WAIT = 4 * HZ / 5,
251 251
252 /* Spec mandates to wait for ">= 2ms" before checking status
253 * after reset. We wait 150ms, because that was the magic
254 * delay used for ATAPI devices in Hale Landis's ATADRVR, for
255 * the period of time between when the ATA command register is
256 * written, and then status is checked. Because waiting for
257 * "a while" before checking status is fine, post SRST, we
258 * perform this magic delay here as well.
259 *
260 * Old drivers/ide uses the 2mS rule and then waits for ready.
261 */
262 ATA_WAIT_AFTER_RESET_MSECS = 150,
263
264 /* If PMP is supported, we have to do follow-up SRST. As some
265 * PMPs don't send D2H Reg FIS after hardreset, LLDs are
266 * advised to wait only for the following duration before
267 * doing SRST.
268 */
269 ATA_TMOUT_PMP_SRST_WAIT = 1 * HZ,
270
252 /* ATA bus states */ 271 /* ATA bus states */
253 BUS_UNKNOWN = 0, 272 BUS_UNKNOWN = 0,
254 BUS_DMA = 1, 273 BUS_DMA = 1,
@@ -292,17 +311,16 @@ enum {
292 311
293 /* reset / recovery action types */ 312 /* reset / recovery action types */
294 ATA_EH_REVALIDATE = (1 << 0), 313 ATA_EH_REVALIDATE = (1 << 0),
295 ATA_EH_SOFTRESET = (1 << 1), 314 ATA_EH_SOFTRESET = (1 << 1), /* meaningful only in ->prereset */
296 ATA_EH_HARDRESET = (1 << 2), 315 ATA_EH_HARDRESET = (1 << 2), /* meaningful only in ->prereset */
316 ATA_EH_RESET = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
297 ATA_EH_ENABLE_LINK = (1 << 3), 317 ATA_EH_ENABLE_LINK = (1 << 3),
298 ATA_EH_LPM = (1 << 4), /* link power management action */ 318 ATA_EH_LPM = (1 << 4), /* link power management action */
299 319
300 ATA_EH_RESET_MASK = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
301 ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE, 320 ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE,
302 321
303 /* ata_eh_info->flags */ 322 /* ata_eh_info->flags */
304 ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */ 323 ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */
305 ATA_EHI_RESUME_LINK = (1 << 1), /* resume link (reset modifier) */
306 ATA_EHI_NO_AUTOPSY = (1 << 2), /* no autopsy */ 324 ATA_EHI_NO_AUTOPSY = (1 << 2), /* no autopsy */
307 ATA_EHI_QUIET = (1 << 3), /* be quiet */ 325 ATA_EHI_QUIET = (1 << 3), /* be quiet */
308 326
@@ -313,7 +331,6 @@ enum {
313 ATA_EHI_POST_SETMODE = (1 << 20), /* revaildating after setmode */ 331 ATA_EHI_POST_SETMODE = (1 << 20), /* revaildating after setmode */
314 332
315 ATA_EHI_DID_RESET = ATA_EHI_DID_SOFTRESET | ATA_EHI_DID_HARDRESET, 333 ATA_EHI_DID_RESET = ATA_EHI_DID_SOFTRESET | ATA_EHI_DID_HARDRESET,
316 ATA_EHI_RESET_MODIFIER_MASK = ATA_EHI_RESUME_LINK,
317 334
318 /* max tries if error condition is still set after ->error_handler */ 335 /* max tries if error condition is still set after ->error_handler */
319 ATA_EH_MAX_TRIES = 5, 336 ATA_EH_MAX_TRIES = 5,
@@ -352,6 +369,22 @@ enum {
352 ATAPI_READ_CD = 2, /* READ CD [MSF] */ 369 ATAPI_READ_CD = 2, /* READ CD [MSF] */
353 ATAPI_PASS_THRU = 3, /* SAT pass-thru */ 370 ATAPI_PASS_THRU = 3, /* SAT pass-thru */
354 ATAPI_MISC = 4, /* the rest */ 371 ATAPI_MISC = 4, /* the rest */
372
373 /* Timing constants */
374 ATA_TIMING_SETUP = (1 << 0),
375 ATA_TIMING_ACT8B = (1 << 1),
376 ATA_TIMING_REC8B = (1 << 2),
377 ATA_TIMING_CYC8B = (1 << 3),
378 ATA_TIMING_8BIT = ATA_TIMING_ACT8B | ATA_TIMING_REC8B |
379 ATA_TIMING_CYC8B,
380 ATA_TIMING_ACTIVE = (1 << 4),
381 ATA_TIMING_RECOVER = (1 << 5),
382 ATA_TIMING_CYCLE = (1 << 6),
383 ATA_TIMING_UDMA = (1 << 7),
384 ATA_TIMING_ALL = ATA_TIMING_SETUP | ATA_TIMING_ACT8B |
385 ATA_TIMING_REC8B | ATA_TIMING_CYC8B |
386 ATA_TIMING_ACTIVE | ATA_TIMING_RECOVER |
387 ATA_TIMING_CYCLE | ATA_TIMING_UDMA,
355}; 388};
356 389
357enum ata_xfer_mask { 390enum ata_xfer_mask {
@@ -412,6 +445,7 @@ enum link_pm {
412}; 445};
413extern struct class_device_attribute class_device_attr_link_power_management_policy; 446extern struct class_device_attribute class_device_attr_link_power_management_policy;
414 447
448#ifdef CONFIG_ATA_SFF
415struct ata_ioports { 449struct ata_ioports {
416 void __iomem *cmd_addr; 450 void __iomem *cmd_addr;
417 void __iomem *data_addr; 451 void __iomem *data_addr;
@@ -429,6 +463,7 @@ struct ata_ioports {
429 void __iomem *bmdma_addr; 463 void __iomem *bmdma_addr;
430 void __iomem *scr_addr; 464 void __iomem *scr_addr;
431}; 465};
466#endif /* CONFIG_ATA_SFF */
432 467
433struct ata_host { 468struct ata_host {
434 spinlock_t lock; 469 spinlock_t lock;
@@ -436,7 +471,7 @@ struct ata_host {
436 void __iomem * const *iomap; 471 void __iomem * const *iomap;
437 unsigned int n_ports; 472 unsigned int n_ports;
438 void *private_data; 473 void *private_data;
439 const struct ata_port_operations *ops; 474 struct ata_port_operations *ops;
440 unsigned long flags; 475 unsigned long flags;
441#ifdef CONFIG_ATA_ACPI 476#ifdef CONFIG_ATA_ACPI
442 acpi_handle acpi_handle; 477 acpi_handle acpi_handle;
@@ -605,7 +640,7 @@ struct ata_link {
605 640
606struct ata_port { 641struct ata_port {
607 struct Scsi_Host *scsi_host; /* our co-allocated scsi host */ 642 struct Scsi_Host *scsi_host; /* our co-allocated scsi host */
608 const struct ata_port_operations *ops; 643 struct ata_port_operations *ops;
609 spinlock_t *lock; 644 spinlock_t *lock;
610 unsigned long flags; /* ATA_FLAG_xxx */ 645 unsigned long flags; /* ATA_FLAG_xxx */
611 unsigned int pflags; /* ATA_PFLAG_xxx */ 646 unsigned int pflags; /* ATA_PFLAG_xxx */
@@ -615,7 +650,9 @@ struct ata_port {
615 struct ata_prd *prd; /* our SG list */ 650 struct ata_prd *prd; /* our SG list */
616 dma_addr_t prd_dma; /* and its DMA mapping */ 651 dma_addr_t prd_dma; /* and its DMA mapping */
617 652
653#ifdef CONFIG_ATA_SFF
618 struct ata_ioports ioaddr; /* ATA cmd/ctl/dma register blocks */ 654 struct ata_ioports ioaddr; /* ATA cmd/ctl/dma register blocks */
655#endif /* CONFIG_ATA_SFF */
619 656
620 u8 ctl; /* cache of ATA control register */ 657 u8 ctl; /* cache of ATA control register */
621 u8 last_ctl; /* Cache last written value */ 658 u8 last_ctl; /* Cache last written value */
@@ -667,81 +704,108 @@ struct ata_port {
667 u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */ 704 u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */
668}; 705};
669 706
670struct ata_port_operations { 707/* The following initializer overrides a method to NULL whether one of
671 void (*dev_config) (struct ata_device *); 708 * its parent has the method defined or not. This is equivalent to
672 709 * ERR_PTR(-ENOENT). Unfortunately, ERR_PTR doesn't render a constant
673 void (*set_piomode) (struct ata_port *, struct ata_device *); 710 * expression and thus can't be used as an initializer.
674 void (*set_dmamode) (struct ata_port *, struct ata_device *); 711 */
675 unsigned long (*mode_filter) (struct ata_device *, unsigned long); 712#define ATA_OP_NULL (void *)(unsigned long)(-ENOENT)
676
677 void (*tf_load) (struct ata_port *ap, const struct ata_taskfile *tf);
678 void (*tf_read) (struct ata_port *ap, struct ata_taskfile *tf);
679
680 void (*exec_command)(struct ata_port *ap, const struct ata_taskfile *tf);
681 u8 (*check_status)(struct ata_port *ap);
682 u8 (*check_altstatus)(struct ata_port *ap);
683 void (*dev_select)(struct ata_port *ap, unsigned int device);
684
685 void (*phy_reset) (struct ata_port *ap); /* obsolete */
686 int (*set_mode) (struct ata_link *link, struct ata_device **r_failed_dev);
687
688 int (*cable_detect) (struct ata_port *ap);
689
690 int (*check_atapi_dma) (struct ata_queued_cmd *qc);
691
692 void (*bmdma_setup) (struct ata_queued_cmd *qc);
693 void (*bmdma_start) (struct ata_queued_cmd *qc);
694
695 unsigned int (*data_xfer) (struct ata_device *dev, unsigned char *buf,
696 unsigned int buflen, int rw);
697
698 int (*qc_defer) (struct ata_queued_cmd *qc);
699 void (*qc_prep) (struct ata_queued_cmd *qc);
700 unsigned int (*qc_issue) (struct ata_queued_cmd *qc);
701
702 /* port multiplier */
703 void (*pmp_attach) (struct ata_port *ap);
704 void (*pmp_detach) (struct ata_port *ap);
705 713
706 /* Error handlers. ->error_handler overrides ->eng_timeout and 714struct ata_port_operations {
707 * indicates that new-style EH is in place. 715 /*
716 * Command execution
708 */ 717 */
709 void (*eng_timeout) (struct ata_port *ap); /* obsolete */ 718 int (*qc_defer)(struct ata_queued_cmd *qc);
710 719 int (*check_atapi_dma)(struct ata_queued_cmd *qc);
711 void (*freeze) (struct ata_port *ap); 720 void (*qc_prep)(struct ata_queued_cmd *qc);
712 void (*thaw) (struct ata_port *ap); 721 unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
713 void (*error_handler) (struct ata_port *ap); 722 bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
714 void (*post_internal_cmd) (struct ata_queued_cmd *qc); 723
715 724 /*
716 irq_handler_t irq_handler; 725 * Configuration and exception handling
717 void (*irq_clear) (struct ata_port *); 726 */
718 u8 (*irq_on) (struct ata_port *); 727 int (*cable_detect)(struct ata_port *ap);
719 728 unsigned long (*mode_filter)(struct ata_device *dev, unsigned long xfer_mask);
720 int (*scr_read) (struct ata_port *ap, unsigned int sc_reg, u32 *val); 729 void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
721 int (*scr_write) (struct ata_port *ap, unsigned int sc_reg, u32 val); 730 void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
731 int (*set_mode)(struct ata_link *link, struct ata_device **r_failed_dev);
732
733 void (*dev_config)(struct ata_device *dev);
734
735 void (*freeze)(struct ata_port *ap);
736 void (*thaw)(struct ata_port *ap);
737 ata_prereset_fn_t prereset;
738 ata_reset_fn_t softreset;
739 ata_reset_fn_t hardreset;
740 ata_postreset_fn_t postreset;
741 ata_prereset_fn_t pmp_prereset;
742 ata_reset_fn_t pmp_softreset;
743 ata_reset_fn_t pmp_hardreset;
744 ata_postreset_fn_t pmp_postreset;
745 void (*error_handler)(struct ata_port *ap);
746 void (*post_internal_cmd)(struct ata_queued_cmd *qc);
747
748 /*
749 * Optional features
750 */
751 int (*scr_read)(struct ata_port *ap, unsigned int sc_reg, u32 *val);
752 int (*scr_write)(struct ata_port *ap, unsigned int sc_reg, u32 val);
753 void (*pmp_attach)(struct ata_port *ap);
754 void (*pmp_detach)(struct ata_port *ap);
755 int (*enable_pm)(struct ata_port *ap, enum link_pm policy);
756 void (*disable_pm)(struct ata_port *ap);
757
758 /*
759 * Start, stop, suspend and resume
760 */
761 int (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
762 int (*port_resume)(struct ata_port *ap);
763 int (*port_start)(struct ata_port *ap);
764 void (*port_stop)(struct ata_port *ap);
765 void (*host_stop)(struct ata_host *host);
766
767#ifdef CONFIG_ATA_SFF
768 /*
769 * SFF / taskfile oriented ops
770 */
771 void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
772 u8 (*sff_check_status)(struct ata_port *ap);
773 u8 (*sff_check_altstatus)(struct ata_port *ap);
774 void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
775 void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
776 void (*sff_exec_command)(struct ata_port *ap,
777 const struct ata_taskfile *tf);
778 unsigned int (*sff_data_xfer)(struct ata_device *dev,
779 unsigned char *buf, unsigned int buflen, int rw);
780 u8 (*sff_irq_on)(struct ata_port *);
781 void (*sff_irq_clear)(struct ata_port *);
722 782
723 int (*port_suspend) (struct ata_port *ap, pm_message_t mesg); 783 void (*bmdma_setup)(struct ata_queued_cmd *qc);
724 int (*port_resume) (struct ata_port *ap); 784 void (*bmdma_start)(struct ata_queued_cmd *qc);
725 int (*enable_pm) (struct ata_port *ap, enum link_pm policy); 785 void (*bmdma_stop)(struct ata_queued_cmd *qc);
726 void (*disable_pm) (struct ata_port *ap); 786 u8 (*bmdma_status)(struct ata_port *ap);
727 int (*port_start) (struct ata_port *ap); 787#endif /* CONFIG_ATA_SFF */
728 void (*port_stop) (struct ata_port *ap);
729 788
730 void (*host_stop) (struct ata_host *host); 789 /*
790 * Obsolete
791 */
792 void (*phy_reset)(struct ata_port *ap);
793 void (*eng_timeout)(struct ata_port *ap);
731 794
732 void (*bmdma_stop) (struct ata_queued_cmd *qc); 795 /*
733 u8 (*bmdma_status) (struct ata_port *ap); 796 * ->inherits must be the last field and all the preceding
797 * fields must be pointers.
798 */
799 const struct ata_port_operations *inherits;
734}; 800};
735 801
736struct ata_port_info { 802struct ata_port_info {
737 struct scsi_host_template *sht;
738 unsigned long flags; 803 unsigned long flags;
739 unsigned long link_flags; 804 unsigned long link_flags;
740 unsigned long pio_mask; 805 unsigned long pio_mask;
741 unsigned long mwdma_mask; 806 unsigned long mwdma_mask;
742 unsigned long udma_mask; 807 unsigned long udma_mask;
743 const struct ata_port_operations *port_ops; 808 struct ata_port_operations *port_ops;
744 irq_handler_t irq_handler;
745 void *private_data; 809 void *private_data;
746}; 810};
747 811
@@ -759,11 +823,14 @@ struct ata_timing {
759 823
760#define FIT(v, vmin, vmax) max_t(short, min_t(short, v, vmax), vmin) 824#define FIT(v, vmin, vmax) max_t(short, min_t(short, v, vmax), vmin)
761 825
826/*
827 * Core layer - drivers/ata/libata-core.c
828 */
762extern const unsigned long sata_deb_timing_normal[]; 829extern const unsigned long sata_deb_timing_normal[];
763extern const unsigned long sata_deb_timing_hotplug[]; 830extern const unsigned long sata_deb_timing_hotplug[];
764extern const unsigned long sata_deb_timing_long[]; 831extern const unsigned long sata_deb_timing_long[];
765 832
766extern const struct ata_port_operations ata_dummy_port_ops; 833extern struct ata_port_operations ata_dummy_port_ops;
767extern const struct ata_port_info ata_dummy_port_info; 834extern const struct ata_port_info ata_dummy_port_info;
768 835
769static inline const unsigned long * 836static inline const unsigned long *
@@ -782,22 +849,21 @@ static inline int ata_port_is_dummy(struct ata_port *ap)
782 849
783extern void sata_print_link_status(struct ata_link *link); 850extern void sata_print_link_status(struct ata_link *link);
784extern void ata_port_probe(struct ata_port *); 851extern void ata_port_probe(struct ata_port *);
785extern void ata_bus_reset(struct ata_port *ap);
786extern int sata_set_spd(struct ata_link *link); 852extern int sata_set_spd(struct ata_link *link);
853extern int ata_std_prereset(struct ata_link *link, unsigned long deadline);
854extern int ata_wait_after_reset(struct ata_link *link, unsigned long deadline,
855 int (*check_ready)(struct ata_link *link));
787extern int sata_link_debounce(struct ata_link *link, 856extern int sata_link_debounce(struct ata_link *link,
788 const unsigned long *params, unsigned long deadline); 857 const unsigned long *params, unsigned long deadline);
789extern int sata_link_resume(struct ata_link *link, const unsigned long *params, 858extern int sata_link_resume(struct ata_link *link, const unsigned long *params,
790 unsigned long deadline); 859 unsigned long deadline);
791extern int ata_std_prereset(struct ata_link *link, unsigned long deadline);
792extern int ata_std_softreset(struct ata_link *link, unsigned int *classes,
793 unsigned long deadline);
794extern int sata_link_hardreset(struct ata_link *link, 860extern int sata_link_hardreset(struct ata_link *link,
795 const unsigned long *timing, unsigned long deadline); 861 const unsigned long *timing, unsigned long deadline,
862 bool *online, int (*check_ready)(struct ata_link *));
796extern int sata_std_hardreset(struct ata_link *link, unsigned int *class, 863extern int sata_std_hardreset(struct ata_link *link, unsigned int *class,
797 unsigned long deadline); 864 unsigned long deadline);
798extern void ata_std_postreset(struct ata_link *link, unsigned int *classes); 865extern void ata_std_postreset(struct ata_link *link, unsigned int *classes);
799extern void ata_port_disable(struct ata_port *); 866extern void ata_port_disable(struct ata_port *);
800extern void ata_std_ports(struct ata_ioports *ioaddr);
801 867
802extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports); 868extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports);
803extern struct ata_host *ata_host_alloc_pinfo(struct device *dev, 869extern struct ata_host *ata_host_alloc_pinfo(struct device *dev,
@@ -810,7 +876,7 @@ extern int ata_host_activate(struct ata_host *host, int irq,
810 struct scsi_host_template *sht); 876 struct scsi_host_template *sht);
811extern void ata_host_detach(struct ata_host *host); 877extern void ata_host_detach(struct ata_host *host);
812extern void ata_host_init(struct ata_host *, struct device *, 878extern void ata_host_init(struct ata_host *, struct device *,
813 unsigned long, const struct ata_port_operations *); 879 unsigned long, struct ata_port_operations *);
814extern int ata_scsi_detect(struct scsi_host_template *sht); 880extern int ata_scsi_detect(struct scsi_host_template *sht);
815extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg); 881extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg);
816extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)); 882extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *));
@@ -823,7 +889,6 @@ extern void ata_sas_port_stop(struct ata_port *ap);
823extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *); 889extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
824extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), 890extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *),
825 struct ata_port *ap); 891 struct ata_port *ap);
826extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
827extern int sata_scr_valid(struct ata_link *link); 892extern int sata_scr_valid(struct ata_link *link);
828extern int sata_scr_read(struct ata_link *link, int reg, u32 *val); 893extern int sata_scr_read(struct ata_link *link, int reg, u32 *val);
829extern int sata_scr_write(struct ata_link *link, int reg, u32 val); 894extern int sata_scr_write(struct ata_link *link, int reg, u32 val);
@@ -835,21 +900,9 @@ extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
835extern void ata_host_resume(struct ata_host *host); 900extern void ata_host_resume(struct ata_host *host);
836#endif 901#endif
837extern int ata_ratelimit(void); 902extern int ata_ratelimit(void);
838extern int ata_busy_sleep(struct ata_port *ap,
839 unsigned long timeout_pat, unsigned long timeout);
840extern void ata_wait_after_reset(struct ata_port *ap, unsigned long deadline);
841extern int ata_wait_ready(struct ata_port *ap, unsigned long deadline);
842extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val, 903extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
843 unsigned long interval_msec, 904 unsigned long interval_msec,
844 unsigned long timeout_msec); 905 unsigned long timeout_msec);
845extern unsigned int ata_dev_try_classify(struct ata_device *dev, int present,
846 u8 *r_err);
847
848/*
849 * Default driver ops implementations
850 */
851extern void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
852extern void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
853extern int atapi_cmd_type(u8 opcode); 906extern int atapi_cmd_type(u8 opcode);
854extern void ata_tf_to_fis(const struct ata_taskfile *tf, 907extern void ata_tf_to_fis(const struct ata_taskfile *tf,
855 u8 pmp, int is_cmd, u8 *fis); 908 u8 pmp, int is_cmd, u8 *fis);
@@ -864,23 +917,9 @@ extern unsigned long ata_xfer_mode2mask(u8 xfer_mode);
864extern int ata_xfer_mode2shift(unsigned long xfer_mode); 917extern int ata_xfer_mode2shift(unsigned long xfer_mode);
865extern const char *ata_mode_string(unsigned long xfer_mask); 918extern const char *ata_mode_string(unsigned long xfer_mask);
866extern unsigned long ata_id_xfermask(const u16 *id); 919extern unsigned long ata_id_xfermask(const u16 *id);
867extern void ata_noop_dev_select(struct ata_port *ap, unsigned int device);
868extern void ata_std_dev_select(struct ata_port *ap, unsigned int device);
869extern u8 ata_check_status(struct ata_port *ap);
870extern u8 ata_altstatus(struct ata_port *ap);
871extern void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf);
872extern int ata_port_start(struct ata_port *ap); 920extern int ata_port_start(struct ata_port *ap);
873extern int ata_sff_port_start(struct ata_port *ap);
874extern irqreturn_t ata_interrupt(int irq, void *dev_instance);
875extern unsigned int ata_data_xfer(struct ata_device *dev,
876 unsigned char *buf, unsigned int buflen, int rw);
877extern unsigned int ata_data_xfer_noirq(struct ata_device *dev,
878 unsigned char *buf, unsigned int buflen, int rw);
879extern int ata_std_qc_defer(struct ata_queued_cmd *qc); 921extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
880extern void ata_dumb_qc_prep(struct ata_queued_cmd *qc);
881extern void ata_qc_prep(struct ata_queued_cmd *qc);
882extern void ata_noop_qc_prep(struct ata_queued_cmd *qc); 922extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);
883extern unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc);
884extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg, 923extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
885 unsigned int n_elem); 924 unsigned int n_elem);
886extern unsigned int ata_dev_classify(const struct ata_taskfile *tf); 925extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
@@ -889,24 +928,8 @@ extern void ata_id_string(const u16 *id, unsigned char *s,
889 unsigned int ofs, unsigned int len); 928 unsigned int ofs, unsigned int len);
890extern void ata_id_c_string(const u16 *id, unsigned char *s, 929extern void ata_id_c_string(const u16 *id, unsigned char *s,
891 unsigned int ofs, unsigned int len); 930 unsigned int ofs, unsigned int len);
892extern void ata_bmdma_setup(struct ata_queued_cmd *qc);
893extern void ata_bmdma_start(struct ata_queued_cmd *qc);
894extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
895extern u8 ata_bmdma_status(struct ata_port *ap);
896extern void ata_bmdma_irq_clear(struct ata_port *ap);
897extern void ata_bmdma_freeze(struct ata_port *ap);
898extern void ata_bmdma_thaw(struct ata_port *ap);
899extern void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
900 ata_reset_fn_t softreset,
901 ata_reset_fn_t hardreset,
902 ata_postreset_fn_t postreset);
903extern void ata_bmdma_error_handler(struct ata_port *ap);
904extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc);
905extern int ata_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
906 u8 status, int in_wq);
907extern void ata_qc_complete(struct ata_queued_cmd *qc); 931extern void ata_qc_complete(struct ata_queued_cmd *qc);
908extern int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active, 932extern int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active);
909 void (*finish_qc)(struct ata_queued_cmd *));
910extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd, 933extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd,
911 void (*done)(struct scsi_cmnd *)); 934 void (*done)(struct scsi_cmnd *));
912extern int ata_std_bios_param(struct scsi_device *sdev, 935extern int ata_std_bios_param(struct scsi_device *sdev,
@@ -918,7 +941,6 @@ extern int ata_scsi_change_queue_depth(struct scsi_device *sdev,
918 int queue_depth); 941 int queue_depth);
919extern struct ata_device *ata_dev_pair(struct ata_device *adev); 942extern struct ata_device *ata_dev_pair(struct ata_device *adev);
920extern int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev); 943extern int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
921extern u8 ata_irq_on(struct ata_port *ap);
922 944
923extern int ata_cable_40wire(struct ata_port *ap); 945extern int ata_cable_40wire(struct ata_port *ap);
924extern int ata_cable_80wire(struct ata_port *ap); 946extern int ata_cable_80wire(struct ata_port *ap);
@@ -926,10 +948,7 @@ extern int ata_cable_sata(struct ata_port *ap);
926extern int ata_cable_ignore(struct ata_port *ap); 948extern int ata_cable_ignore(struct ata_port *ap);
927extern int ata_cable_unknown(struct ata_port *ap); 949extern int ata_cable_unknown(struct ata_port *ap);
928 950
929/* 951/* Timing helpers */
930 * Timing helpers
931 */
932
933extern unsigned int ata_pio_need_iordy(const struct ata_device *); 952extern unsigned int ata_pio_need_iordy(const struct ata_device *);
934extern const struct ata_timing *ata_timing_find_mode(u8 xfer_mode); 953extern const struct ata_timing *ata_timing_find_mode(u8 xfer_mode);
935extern int ata_timing_compute(struct ata_device *, unsigned short, 954extern int ata_timing_compute(struct ata_device *, unsigned short,
@@ -939,24 +958,31 @@ extern void ata_timing_merge(const struct ata_timing *,
939 unsigned int); 958 unsigned int);
940extern u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle); 959extern u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle);
941 960
942enum { 961/* PCI */
943 ATA_TIMING_SETUP = (1 << 0), 962#ifdef CONFIG_PCI
944 ATA_TIMING_ACT8B = (1 << 1), 963struct pci_dev;
945 ATA_TIMING_REC8B = (1 << 2), 964
946 ATA_TIMING_CYC8B = (1 << 3), 965struct pci_bits {
947 ATA_TIMING_8BIT = ATA_TIMING_ACT8B | ATA_TIMING_REC8B | 966 unsigned int reg; /* PCI config register to read */
948 ATA_TIMING_CYC8B, 967 unsigned int width; /* 1 (8 bit), 2 (16 bit), 4 (32 bit) */
949 ATA_TIMING_ACTIVE = (1 << 4), 968 unsigned long mask;
950 ATA_TIMING_RECOVER = (1 << 5), 969 unsigned long val;
951 ATA_TIMING_CYCLE = (1 << 6),
952 ATA_TIMING_UDMA = (1 << 7),
953 ATA_TIMING_ALL = ATA_TIMING_SETUP | ATA_TIMING_ACT8B |
954 ATA_TIMING_REC8B | ATA_TIMING_CYC8B |
955 ATA_TIMING_ACTIVE | ATA_TIMING_RECOVER |
956 ATA_TIMING_CYCLE | ATA_TIMING_UDMA,
957}; 970};
958 971
959/* libata-acpi.c */ 972extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
973extern void ata_pci_remove_one(struct pci_dev *pdev);
974
975#ifdef CONFIG_PM
976extern void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg);
977extern int __must_check ata_pci_device_do_resume(struct pci_dev *pdev);
978extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
979extern int ata_pci_device_resume(struct pci_dev *pdev);
980#endif /* CONFIG_PM */
981#endif /* CONFIG_PCI */
982
983/*
984 * ACPI - drivers/ata/libata-acpi.c
985 */
960#ifdef CONFIG_ATA_ACPI 986#ifdef CONFIG_ATA_ACPI
961static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap) 987static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)
962{ 988{
@@ -1000,56 +1026,8 @@ static inline int ata_acpi_cbl_80wire(struct ata_port *ap,
1000} 1026}
1001#endif 1027#endif
1002 1028
1003#ifdef CONFIG_PCI
1004struct pci_dev;
1005
1006extern int ata_pci_init_one(struct pci_dev *pdev,
1007 const struct ata_port_info * const * ppi);
1008extern void ata_pci_remove_one(struct pci_dev *pdev);
1009#ifdef CONFIG_PM
1010extern void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg);
1011extern int __must_check ata_pci_device_do_resume(struct pci_dev *pdev);
1012extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
1013extern int ata_pci_device_resume(struct pci_dev *pdev);
1014#endif
1015extern int ata_pci_clear_simplex(struct pci_dev *pdev);
1016
1017struct pci_bits {
1018 unsigned int reg; /* PCI config register to read */
1019 unsigned int width; /* 1 (8 bit), 2 (16 bit), 4 (32 bit) */
1020 unsigned long mask;
1021 unsigned long val;
1022};
1023
1024extern int ata_pci_init_sff_host(struct ata_host *host);
1025extern int ata_pci_init_bmdma(struct ata_host *host);
1026extern int ata_pci_prepare_sff_host(struct pci_dev *pdev,
1027 const struct ata_port_info * const * ppi,
1028 struct ata_host **r_host);
1029extern int ata_pci_activate_sff_host(struct ata_host *host,
1030 irq_handler_t irq_handler,
1031 struct scsi_host_template *sht);
1032extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
1033extern unsigned long ata_pci_default_filter(struct ata_device *dev,
1034 unsigned long xfer_mask);
1035#endif /* CONFIG_PCI */
1036
1037/*
1038 * PMP
1039 */
1040extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc);
1041extern int sata_pmp_std_prereset(struct ata_link *link, unsigned long deadline);
1042extern int sata_pmp_std_hardreset(struct ata_link *link, unsigned int *class,
1043 unsigned long deadline);
1044extern void sata_pmp_std_postreset(struct ata_link *link, unsigned int *class);
1045extern void sata_pmp_do_eh(struct ata_port *ap,
1046 ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
1047 ata_reset_fn_t hardreset, ata_postreset_fn_t postreset,
1048 ata_prereset_fn_t pmp_prereset, ata_reset_fn_t pmp_softreset,
1049 ata_reset_fn_t pmp_hardreset, ata_postreset_fn_t pmp_postreset);
1050
1051/* 1029/*
1052 * EH 1030 * EH - drivers/ata/libata-eh.c
1053 */ 1031 */
1054extern void ata_port_schedule_eh(struct ata_port *ap); 1032extern void ata_port_schedule_eh(struct ata_port *ap);
1055extern int ata_link_abort(struct ata_link *link); 1033extern int ata_link_abort(struct ata_link *link);
@@ -1066,6 +1044,92 @@ extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
1066extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset, 1044extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1067 ata_reset_fn_t softreset, ata_reset_fn_t hardreset, 1045 ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
1068 ata_postreset_fn_t postreset); 1046 ata_postreset_fn_t postreset);
1047extern void ata_std_error_handler(struct ata_port *ap);
1048
1049/*
1050 * Base operations to inherit from and initializers for sht
1051 *
1052 * Operations
1053 *
1054 * base : Common to all libata drivers.
1055 * sata : SATA controllers w/ native interface.
1056 * pmp : SATA controllers w/ PMP support.
1057 * sff : SFF ATA controllers w/o BMDMA support.
1058 * bmdma : SFF ATA controllers w/ BMDMA support.
1059 *
1060 * sht initializers
1061 *
1062 * BASE : Common to all libata drivers. The user must set
1063 * sg_tablesize and dma_boundary.
1064 * PIO : SFF ATA controllers w/ only PIO support.
1065 * BMDMA : SFF ATA controllers w/ BMDMA support. sg_tablesize and
1066 * dma_boundary are set to BMDMA limits.
1067 * NCQ : SATA controllers supporting NCQ. The user must set
1068 * sg_tablesize, dma_boundary and can_queue.
1069 */
1070extern const struct ata_port_operations ata_base_port_ops;
1071extern const struct ata_port_operations sata_port_ops;
1072
1073#define ATA_BASE_SHT(drv_name) \
1074 .module = THIS_MODULE, \
1075 .name = drv_name, \
1076 .ioctl = ata_scsi_ioctl, \
1077 .queuecommand = ata_scsi_queuecmd, \
1078 .can_queue = ATA_DEF_QUEUE, \
1079 .this_id = ATA_SHT_THIS_ID, \
1080 .cmd_per_lun = ATA_SHT_CMD_PER_LUN, \
1081 .emulated = ATA_SHT_EMULATED, \
1082 .use_clustering = ATA_SHT_USE_CLUSTERING, \
1083 .proc_name = drv_name, \
1084 .slave_configure = ata_scsi_slave_config, \
1085 .slave_destroy = ata_scsi_slave_destroy, \
1086 .bios_param = ata_std_bios_param
1087
1088#define ATA_NCQ_SHT(drv_name) \
1089 ATA_BASE_SHT(drv_name), \
1090 .change_queue_depth = ata_scsi_change_queue_depth
1091
1092/*
1093 * PMP helpers
1094 */
1095#ifdef CONFIG_SATA_PMP
1096static inline bool sata_pmp_supported(struct ata_port *ap)
1097{
1098 return ap->flags & ATA_FLAG_PMP;
1099}
1100
1101static inline bool sata_pmp_attached(struct ata_port *ap)
1102{
1103 return ap->nr_pmp_links != 0;
1104}
1105
1106static inline int ata_is_host_link(const struct ata_link *link)
1107{
1108 return link == &link->ap->link;
1109}
1110#else /* CONFIG_SATA_PMP */
1111static inline bool sata_pmp_supported(struct ata_port *ap)
1112{
1113 return false;
1114}
1115
1116static inline bool sata_pmp_attached(struct ata_port *ap)
1117{
1118 return false;
1119}
1120
1121static inline int ata_is_host_link(const struct ata_link *link)
1122{
1123 return 1;
1124}
1125#endif /* CONFIG_SATA_PMP */
1126
1127static inline int sata_srst_pmp(struct ata_link *link)
1128{
1129 if (sata_pmp_supported(link->ap) && ata_is_host_link(link))
1130 return SATA_PMP_CTRL_PORT;
1131 return link->pmp;
1132}
1069 1133
1070/* 1134/*
1071 * printk helpers 1135 * printk helpers
@@ -1074,7 +1138,7 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
1074 printk("%sata%u: "fmt, lv, (ap)->print_id , ##args) 1138 printk("%sata%u: "fmt, lv, (ap)->print_id , ##args)
1075 1139
1076#define ata_link_printk(link, lv, fmt, args...) do { \ 1140#define ata_link_printk(link, lv, fmt, args...) do { \
1077 if ((link)->ap->nr_pmp_links) \ 1141 if (sata_pmp_attached((link)->ap)) \
1078 printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id, \ 1142 printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id, \
1079 (link)->pmp , ##args); \ 1143 (link)->pmp , ##args); \
1080 else \ 1144 else \
@@ -1094,18 +1158,11 @@ extern void ata_ehi_push_desc(struct ata_eh_info *ehi, const char *fmt, ...)
1094 __attribute__ ((format (printf, 2, 3))); 1158 __attribute__ ((format (printf, 2, 3)));
1095extern void ata_ehi_clear_desc(struct ata_eh_info *ehi); 1159extern void ata_ehi_clear_desc(struct ata_eh_info *ehi);
1096 1160
1097static inline void ata_ehi_schedule_probe(struct ata_eh_info *ehi)
1098{
1099 ehi->flags |= ATA_EHI_RESUME_LINK;
1100 ehi->action |= ATA_EH_SOFTRESET;
1101 ehi->probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
1102}
1103
1104static inline void ata_ehi_hotplugged(struct ata_eh_info *ehi) 1161static inline void ata_ehi_hotplugged(struct ata_eh_info *ehi)
1105{ 1162{
1106 ata_ehi_schedule_probe(ehi); 1163 ehi->probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
1107 ehi->flags |= ATA_EHI_HOTPLUGGED; 1164 ehi->flags |= ATA_EHI_HOTPLUGGED;
1108 ehi->action |= ATA_EH_ENABLE_LINK; 1165 ehi->action |= ATA_EH_RESET | ATA_EH_ENABLE_LINK;
1109 ehi->err_mask |= AC_ERR_ATA_BUS; 1166 ehi->err_mask |= AC_ERR_ATA_BUS;
1110} 1167}
1111 1168
@@ -1126,7 +1183,7 @@ static inline unsigned int ata_tag_valid(unsigned int tag)
1126 1183
1127static inline unsigned int ata_tag_internal(unsigned int tag) 1184static inline unsigned int ata_tag_internal(unsigned int tag)
1128{ 1185{
1129 return tag == ATA_MAX_QUEUE - 1; 1186 return tag == ATA_TAG_INTERNAL;
1130} 1187}
1131 1188
1132/* 1189/*
@@ -1167,11 +1224,6 @@ static inline unsigned int ata_dev_absent(const struct ata_device *dev)
1167/* 1224/*
1168 * link helpers 1225 * link helpers
1169 */ 1226 */
1170static inline int ata_is_host_link(const struct ata_link *link)
1171{
1172 return link == &link->ap->link;
1173}
1174
1175static inline int ata_link_max_devices(const struct ata_link *link) 1227static inline int ata_link_max_devices(const struct ata_link *link)
1176{ 1228{
1177 if (ata_is_host_link(link) && link->ap->flags & ATA_FLAG_SLAVE_POSS) 1229 if (ata_is_host_link(link) && link->ap->flags & ATA_FLAG_SLAVE_POSS)
@@ -1186,7 +1238,7 @@ static inline int ata_link_active(struct ata_link *link)
1186 1238
1187static inline struct ata_link *ata_port_first_link(struct ata_port *ap) 1239static inline struct ata_link *ata_port_first_link(struct ata_port *ap)
1188{ 1240{
1189 if (ap->nr_pmp_links) 1241 if (sata_pmp_attached(ap))
1190 return ap->pmp_link; 1242 return ap->pmp_link;
1191 return &ap->link; 1243 return &ap->link;
1192} 1244}
@@ -1195,8 +1247,8 @@ static inline struct ata_link *ata_port_next_link(struct ata_link *link)
1195{ 1247{
1196 struct ata_port *ap = link->ap; 1248 struct ata_port *ap = link->ap;
1197 1249
1198 if (link == &ap->link) { 1250 if (ata_is_host_link(link)) {
1199 if (!ap->nr_pmp_links) 1251 if (!sata_pmp_attached(ap))
1200 return NULL; 1252 return NULL;
1201 return ap->pmp_link; 1253 return ap->pmp_link;
1202 } 1254 }
@@ -1222,11 +1274,6 @@ static inline struct ata_link *ata_port_next_link(struct ata_link *link)
1222 for ((dev) = (link)->device + ata_link_max_devices(link) - 1; \ 1274 for ((dev) = (link)->device + ata_link_max_devices(link) - 1; \
1223 (dev) >= (link)->device || ((dev) = NULL); (dev)--) 1275 (dev) >= (link)->device || ((dev) = NULL); (dev)--)
1224 1276
1225static inline u8 ata_chk_status(struct ata_port *ap)
1226{
1227 return ap->ops->check_status(ap);
1228}
1229
1230/** 1277/**
1231 * ata_ncq_enabled - Test whether NCQ is enabled 1278 * ata_ncq_enabled - Test whether NCQ is enabled
1232 * @dev: ATA device to test for 1279 * @dev: ATA device to test for
@@ -1243,74 +1290,6 @@ static inline int ata_ncq_enabled(struct ata_device *dev)
1243 ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ; 1290 ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ;
1244} 1291}
1245 1292
1246/**
1247 * ata_pause - Flush writes and pause 400 nanoseconds.
1248 * @ap: Port to wait for.
1249 *
1250 * LOCKING:
1251 * Inherited from caller.
1252 */
1253
1254static inline void ata_pause(struct ata_port *ap)
1255{
1256 ata_altstatus(ap);
1257 ndelay(400);
1258}
1259
1260
1261/**
1262 * ata_busy_wait - Wait for a port status register
1263 * @ap: Port to wait for.
1264 * @bits: bits that must be clear
1265 * @max: number of 10uS waits to perform
1266 *
1267 * Waits up to max*10 microseconds for the selected bits in the port's
1268 * status register to be cleared.
1269 * Returns final value of status register.
1270 *
1271 * LOCKING:
1272 * Inherited from caller.
1273 */
1274
1275static inline u8 ata_busy_wait(struct ata_port *ap, unsigned int bits,
1276 unsigned int max)
1277{
1278 u8 status;
1279
1280 do {
1281 udelay(10);
1282 status = ata_chk_status(ap);
1283 max--;
1284 } while (status != 0xff && (status & bits) && (max > 0));
1285
1286 return status;
1287}
1288
1289
1290/**
1291 * ata_wait_idle - Wait for a port to be idle.
1292 * @ap: Port to wait for.
1293 *
1294 * Waits up to 10ms for port's BUSY and DRQ signals to clear.
1295 * Returns final value of status register.
1296 *
1297 * LOCKING:
1298 * Inherited from caller.
1299 */
1300
1301static inline u8 ata_wait_idle(struct ata_port *ap)
1302{
1303 u8 status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
1304
1305#ifdef ATA_DEBUG
1306 if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ)))
1307 ata_port_printk(ap, KERN_DEBUG, "abnormal Status 0x%X\n",
1308 status);
1309#endif
1310
1311 return status;
1312}
1313
1314static inline void ata_qc_set_polling(struct ata_queued_cmd *qc) 1293static inline void ata_qc_set_polling(struct ata_queued_cmd *qc)
1315{ 1294{
1316 qc->tf.ctl |= ATA_NIEN; 1295 qc->tf.ctl |= ATA_NIEN;
@@ -1403,4 +1382,171 @@ static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)
1403 return *(struct ata_port **)&host->hostdata[0]; 1382 return *(struct ata_port **)&host->hostdata[0];
1404} 1383}
1405 1384
1385
1386/**************************************************************************
1387 * PMP - drivers/ata/libata-pmp.c
1388 */
1389#ifdef CONFIG_SATA_PMP
1390
1391extern const struct ata_port_operations sata_pmp_port_ops;
1392
1393extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc);
1394extern void sata_pmp_error_handler(struct ata_port *ap);
1395
1396#else /* CONFIG_SATA_PMP */
1397
1398#define sata_pmp_port_ops sata_port_ops
1399#define sata_pmp_qc_defer_cmd_switch ata_std_qc_defer
1400#define sata_pmp_error_handler ata_std_error_handler
1401
1402#endif /* CONFIG_SATA_PMP */
1403
1404
1405/**************************************************************************
1406 * SFF - drivers/ata/libata-sff.c
1407 */
1408#ifdef CONFIG_ATA_SFF
1409
1410extern const struct ata_port_operations ata_sff_port_ops;
1411extern const struct ata_port_operations ata_bmdma_port_ops;
1412
1413/* PIO only, sg_tablesize and dma_boundary limits can be removed */
1414#define ATA_PIO_SHT(drv_name) \
1415 ATA_BASE_SHT(drv_name), \
1416 .sg_tablesize = LIBATA_MAX_PRD, \
1417 .dma_boundary = ATA_DMA_BOUNDARY
1418
1419#define ATA_BMDMA_SHT(drv_name) \
1420 ATA_BASE_SHT(drv_name), \
1421 .sg_tablesize = LIBATA_MAX_PRD, \
1422 .dma_boundary = ATA_DMA_BOUNDARY
1423
1424extern void ata_sff_qc_prep(struct ata_queued_cmd *qc);
1425extern void ata_sff_dumb_qc_prep(struct ata_queued_cmd *qc);
1426extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1427extern u8 ata_sff_check_status(struct ata_port *ap);
1428extern u8 ata_sff_altstatus(struct ata_port *ap);
1429extern int ata_sff_busy_sleep(struct ata_port *ap,
1430 unsigned long timeout_pat, unsigned long timeout);
1431extern int ata_sff_wait_ready(struct ata_link *link, unsigned long deadline);
1432extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
1433extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
1434extern void ata_sff_exec_command(struct ata_port *ap,
1435 const struct ata_taskfile *tf);
1436extern unsigned int ata_sff_data_xfer(struct ata_device *dev,
1437 unsigned char *buf, unsigned int buflen, int rw);
1438extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev,
1439 unsigned char *buf, unsigned int buflen, int rw);
1440extern u8 ata_sff_irq_on(struct ata_port *ap);
1441extern void ata_sff_irq_clear(struct ata_port *ap);
1442extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
1443 u8 status, int in_wq);
1444extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc);
1445extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);
1446extern unsigned int ata_sff_host_intr(struct ata_port *ap,
1447 struct ata_queued_cmd *qc);
1448extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance);
1449extern void ata_sff_freeze(struct ata_port *ap);
1450extern void ata_sff_thaw(struct ata_port *ap);
1451extern int ata_sff_prereset(struct ata_link *link, unsigned long deadline);
1452extern unsigned int ata_sff_dev_classify(struct ata_device *dev, int present,
1453 u8 *r_err);
1454extern int ata_sff_wait_after_reset(struct ata_link *link, unsigned int devmask,
1455 unsigned long deadline);
1456extern int ata_sff_softreset(struct ata_link *link, unsigned int *classes,
1457 unsigned long deadline);
1458extern int sata_sff_hardreset(struct ata_link *link, unsigned int *class,
1459 unsigned long deadline);
1460extern void ata_sff_postreset(struct ata_link *link, unsigned int *classes);
1461extern void ata_sff_error_handler(struct ata_port *ap);
1462extern void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc);
1463extern int ata_sff_port_start(struct ata_port *ap);
1464extern void ata_sff_std_ports(struct ata_ioports *ioaddr);
1465extern unsigned long ata_bmdma_mode_filter(struct ata_device *dev,
1466 unsigned long xfer_mask);
1467extern void ata_bmdma_setup(struct ata_queued_cmd *qc);
1468extern void ata_bmdma_start(struct ata_queued_cmd *qc);
1469extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
1470extern u8 ata_bmdma_status(struct ata_port *ap);
1471extern void ata_bus_reset(struct ata_port *ap);
1472
1473#ifdef CONFIG_PCI
1474extern int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev);
1475extern int ata_pci_bmdma_init(struct ata_host *host);
1476extern int ata_pci_sff_init_host(struct ata_host *host);
1477extern int ata_pci_sff_prepare_host(struct pci_dev *pdev,
1478 const struct ata_port_info * const * ppi,
1479 struct ata_host **r_host);
1480extern int ata_pci_sff_activate_host(struct ata_host *host,
1481 irq_handler_t irq_handler,
1482 struct scsi_host_template *sht);
1483extern int ata_pci_sff_init_one(struct pci_dev *pdev,
1484 const struct ata_port_info * const * ppi,
1485 struct scsi_host_template *sht, void *host_priv);
1486#endif /* CONFIG_PCI */
1487
1488/**
1489 * ata_sff_pause - Flush writes and pause 400 nanoseconds.
1490 * @ap: Port to wait for.
1491 *
1492 * LOCKING:
1493 * Inherited from caller.
1494 */
1495static inline void ata_sff_pause(struct ata_port *ap)
1496{
1497 ata_sff_altstatus(ap);
1498 ndelay(400);
1499}
1500
1501/**
1502 * ata_sff_busy_wait - Wait for a port status register
1503 * @ap: Port to wait for.
1504 * @bits: bits that must be clear
1505 * @max: number of 10uS waits to perform
1506 *
1507 * Waits up to max*10 microseconds for the selected bits in the port's
1508 * status register to be cleared.
1509 * Returns final value of status register.
1510 *
1511 * LOCKING:
1512 * Inherited from caller.
1513 */
1514static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,
1515 unsigned int max)
1516{
1517 u8 status;
1518
1519 do {
1520 udelay(10);
1521 status = ap->ops->sff_check_status(ap);
1522 max--;
1523 } while (status != 0xff && (status & bits) && (max > 0));
1524
1525 return status;
1526}
1527
1528/**
1529 * ata_wait_idle - Wait for a port to be idle.
1530 * @ap: Port to wait for.
1531 *
1532 * Waits up to 10ms for port's BUSY and DRQ signals to clear.
1533 * Returns final value of status register.
1534 *
1535 * LOCKING:
1536 * Inherited from caller.
1537 */
1538static inline u8 ata_wait_idle(struct ata_port *ap)
1539{
1540 u8 status = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
1541
1542#ifdef ATA_DEBUG
1543 if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ)))
1544 ata_port_printk(ap, KERN_DEBUG, "abnormal Status 0x%X\n",
1545 status);
1546#endif
1547
1548 return status;
1549}
1550#endif /* CONFIG_ATA_SFF */
1551
1406#endif /* __LINUX_LIBATA_H__ */ 1552#endif /* __LINUX_LIBATA_H__ */