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-rw-r--r--drivers/ata/ata_piix.c1
-rw-r--r--drivers/ata/libata-core.c11
-rw-r--r--drivers/ata/sata_via.c155
3 files changed, 151 insertions, 16 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 52dc2d8b8f22..8e37be19bbf5 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -738,7 +738,6 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
738 * do_pata_set_dmamode - Initialize host controller PATA PIO timings 738 * do_pata_set_dmamode - Initialize host controller PATA PIO timings
739 * @ap: Port whose timings we are configuring 739 * @ap: Port whose timings we are configuring
740 * @adev: Drive in question 740 * @adev: Drive in question
741 * @udma: udma mode, 0 - 6
742 * @isich: set if the chip is an ICH device 741 * @isich: set if the chip is an ICH device
743 * 742 *
744 * Set UDMA mode for device, in host controller PCI config space. 743 * Set UDMA mode for device, in host controller PCI config space.
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2ff633c119e2..82af7011f2dd 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1268,7 +1268,7 @@ u64 ata_tf_to_lba48(const struct ata_taskfile *tf)
1268 1268
1269 sectors |= ((u64)(tf->hob_lbah & 0xff)) << 40; 1269 sectors |= ((u64)(tf->hob_lbah & 0xff)) << 40;
1270 sectors |= ((u64)(tf->hob_lbam & 0xff)) << 32; 1270 sectors |= ((u64)(tf->hob_lbam & 0xff)) << 32;
1271 sectors |= (tf->hob_lbal & 0xff) << 24; 1271 sectors |= ((u64)(tf->hob_lbal & 0xff)) << 24;
1272 sectors |= (tf->lbah & 0xff) << 16; 1272 sectors |= (tf->lbah & 0xff) << 16;
1273 sectors |= (tf->lbam & 0xff) << 8; 1273 sectors |= (tf->lbam & 0xff) << 8;
1274 sectors |= (tf->lbal & 0xff); 1274 sectors |= (tf->lbal & 0xff);
@@ -1602,7 +1602,6 @@ unsigned long ata_id_xfermask(const u16 *id)
1602/** 1602/**
1603 * ata_pio_queue_task - Queue port_task 1603 * ata_pio_queue_task - Queue port_task
1604 * @ap: The ata_port to queue port_task for 1604 * @ap: The ata_port to queue port_task for
1605 * @fn: workqueue function to be scheduled
1606 * @data: data for @fn to use 1605 * @data: data for @fn to use
1607 * @delay: delay time in msecs for workqueue function 1606 * @delay: delay time in msecs for workqueue function
1608 * 1607 *
@@ -2159,6 +2158,10 @@ retry:
2159static inline u8 ata_dev_knobble(struct ata_device *dev) 2158static inline u8 ata_dev_knobble(struct ata_device *dev)
2160{ 2159{
2161 struct ata_port *ap = dev->link->ap; 2160 struct ata_port *ap = dev->link->ap;
2161
2162 if (ata_dev_blacklisted(dev) & ATA_HORKAGE_BRIDGE_OK)
2163 return 0;
2164
2162 return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id))); 2165 return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
2163} 2166}
2164 2167
@@ -4063,6 +4066,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
4063 { "TSSTcorp CDDVDW SH-S202N", "SB00", ATA_HORKAGE_IVB, }, 4066 { "TSSTcorp CDDVDW SH-S202N", "SB00", ATA_HORKAGE_IVB, },
4064 { "TSSTcorp CDDVDW SH-S202N", "SB01", ATA_HORKAGE_IVB, }, 4067 { "TSSTcorp CDDVDW SH-S202N", "SB01", ATA_HORKAGE_IVB, },
4065 4068
4069 /* Devices that do not need bridging limits applied */
4070 { "MTRON MSP-SATA*", NULL, ATA_HORKAGE_BRIDGE_OK, },
4071
4066 /* End Marker */ 4072 /* End Marker */
4067 { } 4073 { }
4068}; 4074};
@@ -4648,7 +4654,6 @@ static void ata_verify_xfer(struct ata_queued_cmd *qc)
4648/** 4654/**
4649 * ata_qc_complete - Complete an active ATA command 4655 * ata_qc_complete - Complete an active ATA command
4650 * @qc: Command to complete 4656 * @qc: Command to complete
4651 * @err_mask: ATA Status register contents
4652 * 4657 *
4653 * Indicate to the mid and upper layers that an ATA 4658 * Indicate to the mid and upper layers that an ATA
4654 * command has completed, with either an ok or not-ok status. 4659 * command has completed, with either an ok or not-ok status.
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 5b72e734300a..62367fe4d5dc 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -44,11 +44,16 @@
44#include <linux/libata.h> 44#include <linux/libata.h>
45 45
46#define DRV_NAME "sata_via" 46#define DRV_NAME "sata_via"
47#define DRV_VERSION "2.3" 47#define DRV_VERSION "2.4"
48 48
49/*
50 * vt8251 is different from other sata controllers of VIA. It has two
51 * channels, each channel has both Master and Slave slot.
52 */
49enum board_ids_enum { 53enum board_ids_enum {
50 vt6420, 54 vt6420,
51 vt6421, 55 vt6421,
56 vt8251,
52}; 57};
53 58
54enum { 59enum {
@@ -70,6 +75,8 @@ enum {
70static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); 75static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
71static int svia_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); 76static int svia_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
72static int svia_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); 77static int svia_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
78static int vt8251_scr_read(struct ata_link *link, unsigned int scr, u32 *val);
79static int vt8251_scr_write(struct ata_link *link, unsigned int scr, u32 val);
73static void svia_tf_load(struct ata_port *ap, const struct ata_taskfile *tf); 80static void svia_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
74static void svia_noop_freeze(struct ata_port *ap); 81static void svia_noop_freeze(struct ata_port *ap);
75static int vt6420_prereset(struct ata_link *link, unsigned long deadline); 82static int vt6420_prereset(struct ata_link *link, unsigned long deadline);
@@ -79,12 +86,12 @@ static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev);
79 86
80static const struct pci_device_id svia_pci_tbl[] = { 87static const struct pci_device_id svia_pci_tbl[] = {
81 { PCI_VDEVICE(VIA, 0x5337), vt6420 }, 88 { PCI_VDEVICE(VIA, 0x5337), vt6420 },
82 { PCI_VDEVICE(VIA, 0x0591), vt6420 }, 89 { PCI_VDEVICE(VIA, 0x0591), vt6420 }, /* 2 sata chnls (Master) */
83 { PCI_VDEVICE(VIA, 0x3149), vt6420 }, 90 { PCI_VDEVICE(VIA, 0x3149), vt6420 }, /* 2 sata chnls (Master) */
84 { PCI_VDEVICE(VIA, 0x3249), vt6421 }, 91 { PCI_VDEVICE(VIA, 0x3249), vt6421 }, /* 2 sata chnls, 1 pata chnl */
85 { PCI_VDEVICE(VIA, 0x5287), vt6420 },
86 { PCI_VDEVICE(VIA, 0x5372), vt6420 }, 92 { PCI_VDEVICE(VIA, 0x5372), vt6420 },
87 { PCI_VDEVICE(VIA, 0x7372), vt6420 }, 93 { PCI_VDEVICE(VIA, 0x7372), vt6420 },
94 { PCI_VDEVICE(VIA, 0x5287), vt8251 }, /* 2 sata chnls (Master/Slave) */
88 95
89 { } /* terminate list */ 96 { } /* terminate list */
90}; 97};
@@ -128,6 +135,13 @@ static struct ata_port_operations vt6421_sata_ops = {
128 .scr_write = svia_scr_write, 135 .scr_write = svia_scr_write,
129}; 136};
130 137
138static struct ata_port_operations vt8251_ops = {
139 .inherits = &svia_base_ops,
140 .hardreset = sata_std_hardreset,
141 .scr_read = vt8251_scr_read,
142 .scr_write = vt8251_scr_write,
143};
144
131static const struct ata_port_info vt6420_port_info = { 145static const struct ata_port_info vt6420_port_info = {
132 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, 146 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
133 .pio_mask = 0x1f, 147 .pio_mask = 0x1f,
@@ -152,6 +166,15 @@ static struct ata_port_info vt6421_pport_info = {
152 .port_ops = &vt6421_pata_ops, 166 .port_ops = &vt6421_pata_ops,
153}; 167};
154 168
169static struct ata_port_info vt8251_port_info = {
170 .flags = ATA_FLAG_SATA | ATA_FLAG_SLAVE_POSS |
171 ATA_FLAG_NO_LEGACY,
172 .pio_mask = 0x1f,
173 .mwdma_mask = 0x07,
174 .udma_mask = ATA_UDMA6,
175 .port_ops = &vt8251_ops,
176};
177
155MODULE_AUTHOR("Jeff Garzik"); 178MODULE_AUTHOR("Jeff Garzik");
156MODULE_DESCRIPTION("SCSI low-level driver for VIA SATA controllers"); 179MODULE_DESCRIPTION("SCSI low-level driver for VIA SATA controllers");
157MODULE_LICENSE("GPL"); 180MODULE_LICENSE("GPL");
@@ -174,6 +197,83 @@ static int svia_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val)
174 return 0; 197 return 0;
175} 198}
176 199
200static int vt8251_scr_read(struct ata_link *link, unsigned int scr, u32 *val)
201{
202 static const u8 ipm_tbl[] = { 1, 2, 6, 0 };
203 struct pci_dev *pdev = to_pci_dev(link->ap->host->dev);
204 int slot = 2 * link->ap->port_no + link->pmp;
205 u32 v = 0;
206 u8 raw;
207
208 switch (scr) {
209 case SCR_STATUS:
210 pci_read_config_byte(pdev, 0xA0 + slot, &raw);
211
212 /* read the DET field, bit0 and 1 of the config byte */
213 v |= raw & 0x03;
214
215 /* read the SPD field, bit4 of the configure byte */
216 if (raw & (1 << 4))
217 v |= 0x02 << 4;
218 else
219 v |= 0x01 << 4;
220
221 /* read the IPM field, bit2 and 3 of the config byte */
222 v |= ipm_tbl[(raw >> 2) & 0x3];
223 break;
224
225 case SCR_ERROR:
226 /* devices other than 5287 uses 0xA8 as base */
227 WARN_ON(pdev->device != 0x5287);
228 pci_read_config_dword(pdev, 0xB0 + slot * 4, &v);
229 break;
230
231 case SCR_CONTROL:
232 pci_read_config_byte(pdev, 0xA4 + slot, &raw);
233
234 /* read the DET field, bit0 and bit1 */
235 v |= ((raw & 0x02) << 1) | (raw & 0x01);
236
237 /* read the IPM field, bit2 and bit3 */
238 v |= ((raw >> 2) & 0x03) << 8;
239 break;
240
241 default:
242 return -EINVAL;
243 }
244
245 *val = v;
246 return 0;
247}
248
249static int vt8251_scr_write(struct ata_link *link, unsigned int scr, u32 val)
250{
251 struct pci_dev *pdev = to_pci_dev(link->ap->host->dev);
252 int slot = 2 * link->ap->port_no + link->pmp;
253 u32 v = 0;
254
255 switch (scr) {
256 case SCR_ERROR:
257 /* devices other than 5287 uses 0xA8 as base */
258 WARN_ON(pdev->device != 0x5287);
259 pci_write_config_dword(pdev, 0xB0 + slot * 4, val);
260 return 0;
261
262 case SCR_CONTROL:
263 /* set the DET field */
264 v |= ((val & 0x4) >> 1) | (val & 0x1);
265
266 /* set the IPM field */
267 v |= ((val >> 8) & 0x3) << 2;
268
269 pci_write_config_byte(pdev, 0xA4 + slot, v);
270 return 0;
271
272 default:
273 return -EINVAL;
274 }
275}
276
177/** 277/**
178 * svia_tf_load - send taskfile registers to host controller 278 * svia_tf_load - send taskfile registers to host controller
179 * @ap: Port to which output is sent 279 * @ap: Port to which output is sent
@@ -396,6 +496,30 @@ static int vt6421_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
396 return 0; 496 return 0;
397} 497}
398 498
499static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
500{
501 const struct ata_port_info *ppi[] = { &vt8251_port_info, NULL };
502 struct ata_host *host;
503 int i, rc;
504
505 rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
506 if (rc)
507 return rc;
508 *r_host = host;
509
510 rc = pcim_iomap_regions(pdev, 1 << 5, DRV_NAME);
511 if (rc) {
512 dev_printk(KERN_ERR, &pdev->dev, "failed to iomap PCI BAR 5\n");
513 return rc;
514 }
515
516 /* 8251 hosts four sata ports as M/S of the two channels */
517 for (i = 0; i < host->n_ports; i++)
518 ata_slave_link_init(host->ports[i]);
519
520 return 0;
521}
522
399static void svia_configure(struct pci_dev *pdev) 523static void svia_configure(struct pci_dev *pdev)
400{ 524{
401 u8 tmp8; 525 u8 tmp8;
@@ -451,10 +575,10 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
451 if (rc) 575 if (rc)
452 return rc; 576 return rc;
453 577
454 if (board_id == vt6420) 578 if (board_id == vt6421)
455 bar_sizes = &svia_bar_sizes[0];
456 else
457 bar_sizes = &vt6421_bar_sizes[0]; 579 bar_sizes = &vt6421_bar_sizes[0];
580 else
581 bar_sizes = &svia_bar_sizes[0];
458 582
459 for (i = 0; i < ARRAY_SIZE(svia_bar_sizes); i++) 583 for (i = 0; i < ARRAY_SIZE(svia_bar_sizes); i++)
460 if ((pci_resource_start(pdev, i) == 0) || 584 if ((pci_resource_start(pdev, i) == 0) ||
@@ -467,12 +591,19 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
467 return -ENODEV; 591 return -ENODEV;
468 } 592 }
469 593
470 if (board_id == vt6420) 594 switch (board_id) {
595 case vt6420:
471 rc = vt6420_prepare_host(pdev, &host); 596 rc = vt6420_prepare_host(pdev, &host);
472 else 597 break;
598 case vt6421:
473 rc = vt6421_prepare_host(pdev, &host); 599 rc = vt6421_prepare_host(pdev, &host);
474 if (rc) 600 break;
475 return rc; 601 case vt8251:
602 rc = vt8251_prepare_host(pdev, &host);
603 break;
604 default:
605 return -EINVAL;
606 }
476 607
477 svia_configure(pdev); 608 svia_configure(pdev);
478 609