diff options
author | John(Jung-Ik) Lee <jilee@google.com> | 2009-09-15 00:32:33 -0400 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2009-09-17 16:47:06 -0400 |
commit | d15d6e6cc340566d53d953ffdec2c9e96816fa52 (patch) | |
tree | 8b2052455ef7daca721e55c793216e5f54f6d08d | |
parent | 90950a2504b66d626a73f55ca949a2e79ff4b7c4 (diff) |
libata: Add pata_atp867x driver for Artop/Acard ATP867X controllers
This is a new pata driver for ARTOP 867X 64bit 4-channel UDMA133 ATA ctrls.
Based on the Atp867 data sheet rev 1.2, Acard, and in part on early ide codes
from Eric Uhrhane <ericu@google.com>.
Signed-off-by: John(Jung-Ik) Lee <jilee@google.com>
Reviewed-by: Grant Grundler <grundler@google.com>
Reviewed-by: Gwendal Gringo <gwendal@google.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
-rw-r--r-- | drivers/ata/Kconfig | 9 | ||||
-rw-r--r-- | drivers/ata/Makefile | 1 | ||||
-rw-r--r-- | drivers/ata/pata_atp867x.c | 548 | ||||
-rw-r--r-- | include/linux/pci_ids.h | 2 |
4 files changed, 560 insertions, 0 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index ab2fa4eeb364..f2df6e2a224c 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig | |||
@@ -255,6 +255,15 @@ config PATA_ARTOP | |||
255 | 255 | ||
256 | If unsure, say N. | 256 | If unsure, say N. |
257 | 257 | ||
258 | config PATA_ATP867X | ||
259 | tristate "ARTOP/Acard ATP867X PATA support" | ||
260 | depends on PCI | ||
261 | help | ||
262 | This option enables support for ARTOP/Acard ATP867X PATA | ||
263 | controllers. | ||
264 | |||
265 | If unsure, say N. | ||
266 | |||
258 | config PATA_AT32 | 267 | config PATA_AT32 |
259 | tristate "Atmel AVR32 PATA support (Experimental)" | 268 | tristate "Atmel AVR32 PATA support (Experimental)" |
260 | depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL | 269 | depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL |
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 463eb52236aa..01e126f343b3 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile | |||
@@ -22,6 +22,7 @@ obj-$(CONFIG_SATA_FSL) += sata_fsl.o | |||
22 | obj-$(CONFIG_PATA_ALI) += pata_ali.o | 22 | obj-$(CONFIG_PATA_ALI) += pata_ali.o |
23 | obj-$(CONFIG_PATA_AMD) += pata_amd.o | 23 | obj-$(CONFIG_PATA_AMD) += pata_amd.o |
24 | obj-$(CONFIG_PATA_ARTOP) += pata_artop.o | 24 | obj-$(CONFIG_PATA_ARTOP) += pata_artop.o |
25 | obj-$(CONFIG_PATA_ATP867X) += pata_atp867x.o | ||
25 | obj-$(CONFIG_PATA_AT32) += pata_at32.o | 26 | obj-$(CONFIG_PATA_AT32) += pata_at32.o |
26 | obj-$(CONFIG_PATA_ATIIXP) += pata_atiixp.o | 27 | obj-$(CONFIG_PATA_ATIIXP) += pata_atiixp.o |
27 | obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o | 28 | obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o |
diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c new file mode 100644 index 000000000000..7990de925d2e --- /dev/null +++ b/drivers/ata/pata_atp867x.c | |||
@@ -0,0 +1,548 @@ | |||
1 | /* | ||
2 | * pata_atp867x.c - ARTOP 867X 64bit 4-channel UDMA133 ATA controller driver | ||
3 | * | ||
4 | * (C) 2009 Google Inc. John(Jung-Ik) Lee <jilee@google.com> | ||
5 | * | ||
6 | * Per Atp867 data sheet rev 1.2, Acard. | ||
7 | * Based in part on early ide code from | ||
8 | * 2003-2004 by Eric Uhrhane, Google, Inc. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with this program; if not, write to the Free Software | ||
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 | * | ||
24 | * | ||
25 | * TODO: | ||
26 | * 1. RAID features [comparison, XOR, striping, mirroring, etc.] | ||
27 | */ | ||
28 | |||
29 | #include <linux/kernel.h> | ||
30 | #include <linux/module.h> | ||
31 | #include <linux/pci.h> | ||
32 | #include <linux/init.h> | ||
33 | #include <linux/blkdev.h> | ||
34 | #include <linux/delay.h> | ||
35 | #include <linux/device.h> | ||
36 | #include <scsi/scsi_host.h> | ||
37 | #include <linux/libata.h> | ||
38 | |||
39 | #define DRV_NAME "pata_atp867x" | ||
40 | #define DRV_VERSION "0.7.5" | ||
41 | |||
42 | /* | ||
43 | * IO Registers | ||
44 | * Note that all runtime hot priv ports are cached in ap private_data | ||
45 | */ | ||
46 | |||
47 | enum { | ||
48 | ATP867X_IO_CHANNEL_OFFSET = 0x10, | ||
49 | |||
50 | /* | ||
51 | * IO Register Bitfields | ||
52 | */ | ||
53 | |||
54 | ATP867X_IO_PIOSPD_ACTIVE_SHIFT = 4, | ||
55 | ATP867X_IO_PIOSPD_RECOVER_SHIFT = 0, | ||
56 | |||
57 | ATP867X_IO_DMAMODE_MSTR_SHIFT = 0, | ||
58 | ATP867X_IO_DMAMODE_MSTR_MASK = 0x07, | ||
59 | ATP867X_IO_DMAMODE_SLAVE_SHIFT = 4, | ||
60 | ATP867X_IO_DMAMODE_SLAVE_MASK = 0x70, | ||
61 | |||
62 | ATP867X_IO_DMAMODE_UDMA_6 = 0x07, | ||
63 | ATP867X_IO_DMAMODE_UDMA_5 = 0x06, | ||
64 | ATP867X_IO_DMAMODE_UDMA_4 = 0x05, | ||
65 | ATP867X_IO_DMAMODE_UDMA_3 = 0x04, | ||
66 | ATP867X_IO_DMAMODE_UDMA_2 = 0x03, | ||
67 | ATP867X_IO_DMAMODE_UDMA_1 = 0x02, | ||
68 | ATP867X_IO_DMAMODE_UDMA_0 = 0x01, | ||
69 | ATP867X_IO_DMAMODE_DISABLE = 0x00, | ||
70 | |||
71 | ATP867X_IO_SYS_INFO_66MHZ = 0x04, | ||
72 | ATP867X_IO_SYS_INFO_SLOW_UDMA5 = 0x02, | ||
73 | ATP867X_IO_SYS_MASK_RESERVED = (~0xf1), | ||
74 | |||
75 | ATP867X_IO_PORTSPD_VAL = 0x1143, | ||
76 | ATP867X_PREREAD_VAL = 0x0200, | ||
77 | |||
78 | ATP867X_NUM_PORTS = 4, | ||
79 | ATP867X_BAR_IOBASE = 0, | ||
80 | ATP867X_BAR_ROMBASE = 6, | ||
81 | }; | ||
82 | |||
83 | #define ATP867X_IOBASE(ap) ((ap)->host->iomap[0]) | ||
84 | #define ATP867X_SYS_INFO(ap) (0x3F + ATP867X_IOBASE(ap)) | ||
85 | |||
86 | #define ATP867X_IO_PORTBASE(ap, port) (0x00 + ATP867X_IOBASE(ap) + \ | ||
87 | (port) * ATP867X_IO_CHANNEL_OFFSET) | ||
88 | #define ATP867X_IO_DMABASE(ap, port) (0x40 + \ | ||
89 | ATP867X_IO_PORTBASE((ap), (port))) | ||
90 | |||
91 | #define ATP867X_IO_STATUS(ap, port) (0x07 + \ | ||
92 | ATP867X_IO_PORTBASE((ap), (port))) | ||
93 | #define ATP867X_IO_ALTSTATUS(ap, port) (0x0E + \ | ||
94 | ATP867X_IO_PORTBASE((ap), (port))) | ||
95 | |||
96 | /* | ||
97 | * hot priv ports | ||
98 | */ | ||
99 | #define ATP867X_IO_MSTRPIOSPD(ap, port) (0x08 + \ | ||
100 | ATP867X_IO_DMABASE((ap), (port))) | ||
101 | #define ATP867X_IO_SLAVPIOSPD(ap, port) (0x09 + \ | ||
102 | ATP867X_IO_DMABASE((ap), (port))) | ||
103 | #define ATP867X_IO_8BPIOSPD(ap, port) (0x0A + \ | ||
104 | ATP867X_IO_DMABASE((ap), (port))) | ||
105 | #define ATP867X_IO_DMAMODE(ap, port) (0x0B + \ | ||
106 | ATP867X_IO_DMABASE((ap), (port))) | ||
107 | |||
108 | #define ATP867X_IO_PORTSPD(ap, port) (0x4A + \ | ||
109 | ATP867X_IO_PORTBASE((ap), (port))) | ||
110 | #define ATP867X_IO_PREREAD(ap, port) (0x4C + \ | ||
111 | ATP867X_IO_PORTBASE((ap), (port))) | ||
112 | |||
113 | struct atp867x_priv { | ||
114 | void __iomem *dma_mode; | ||
115 | void __iomem *mstr_piospd; | ||
116 | void __iomem *slave_piospd; | ||
117 | void __iomem *eightb_piospd; | ||
118 | int pci66mhz; | ||
119 | }; | ||
120 | |||
121 | static inline u8 atp867x_speed_to_mode(u8 speed) | ||
122 | { | ||
123 | return speed - XFER_UDMA_0 + 1; | ||
124 | } | ||
125 | |||
126 | static void atp867x_set_dmamode(struct ata_port *ap, struct ata_device *adev) | ||
127 | { | ||
128 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | ||
129 | struct atp867x_priv *dp = ap->private_data; | ||
130 | u8 speed = adev->dma_mode; | ||
131 | u8 b; | ||
132 | u8 mode; | ||
133 | |||
134 | mode = atp867x_speed_to_mode(speed); | ||
135 | |||
136 | /* | ||
137 | * Doc 6.6.9: decrease the udma mode value by 1 for safer UDMA speed | ||
138 | * on 66MHz bus | ||
139 | * rev-A: UDMA_1~4 (5, 6 no change) | ||
140 | * rev-B: all UDMA modes | ||
141 | * UDMA_0 stays not to disable UDMA | ||
142 | */ | ||
143 | if (dp->pci66mhz && mode > ATP867X_IO_DMAMODE_UDMA_0 && | ||
144 | (pdev->device == PCI_DEVICE_ID_ARTOP_ATP867B || | ||
145 | mode < ATP867X_IO_DMAMODE_UDMA_5)) | ||
146 | mode--; | ||
147 | |||
148 | b = ioread8(dp->dma_mode); | ||
149 | if (adev->devno & 1) { | ||
150 | b = (b & ~ATP867X_IO_DMAMODE_SLAVE_MASK) | | ||
151 | (mode << ATP867X_IO_DMAMODE_SLAVE_SHIFT); | ||
152 | } else { | ||
153 | b = (b & ~ATP867X_IO_DMAMODE_MSTR_MASK) | | ||
154 | (mode << ATP867X_IO_DMAMODE_MSTR_SHIFT); | ||
155 | } | ||
156 | iowrite8(b, dp->dma_mode); | ||
157 | } | ||
158 | |||
159 | static int atp867x_get_active_clocks_shifted(unsigned int clk) | ||
160 | { | ||
161 | unsigned char clocks = clk; | ||
162 | |||
163 | switch (clocks) { | ||
164 | case 0: | ||
165 | clocks = 1; | ||
166 | break; | ||
167 | case 1 ... 7: | ||
168 | break; | ||
169 | case 8 ... 12: | ||
170 | clocks = 7; | ||
171 | break; | ||
172 | default: | ||
173 | printk(KERN_WARNING "ATP867X: active %dclk is invalid. " | ||
174 | "Using default 8clk.\n", clk); | ||
175 | clocks = 0; /* 8 clk */ | ||
176 | break; | ||
177 | } | ||
178 | return clocks << ATP867X_IO_PIOSPD_ACTIVE_SHIFT; | ||
179 | } | ||
180 | |||
181 | static int atp867x_get_recover_clocks_shifted(unsigned int clk) | ||
182 | { | ||
183 | unsigned char clocks = clk; | ||
184 | |||
185 | switch (clocks) { | ||
186 | case 0: | ||
187 | clocks = 1; | ||
188 | break; | ||
189 | case 1 ... 11: | ||
190 | break; | ||
191 | case 12: | ||
192 | clocks = 0; | ||
193 | break; | ||
194 | case 13: case 14: | ||
195 | --clocks; | ||
196 | break; | ||
197 | case 15: | ||
198 | break; | ||
199 | default: | ||
200 | printk(KERN_WARNING "ATP867X: recover %dclk is invalid. " | ||
201 | "Using default 15clk.\n", clk); | ||
202 | clocks = 0; /* 12 clk */ | ||
203 | break; | ||
204 | } | ||
205 | return clocks << ATP867X_IO_PIOSPD_RECOVER_SHIFT; | ||
206 | } | ||
207 | |||
208 | static void atp867x_set_piomode(struct ata_port *ap, struct ata_device *adev) | ||
209 | { | ||
210 | struct ata_device *peer = ata_dev_pair(adev); | ||
211 | struct atp867x_priv *dp = ap->private_data; | ||
212 | u8 speed = adev->pio_mode; | ||
213 | struct ata_timing t, p; | ||
214 | int T, UT; | ||
215 | u8 b; | ||
216 | |||
217 | T = 1000000000 / 33333; | ||
218 | UT = T / 4; | ||
219 | |||
220 | ata_timing_compute(adev, speed, &t, T, UT); | ||
221 | if (peer && peer->pio_mode) { | ||
222 | ata_timing_compute(peer, peer->pio_mode, &p, T, UT); | ||
223 | ata_timing_merge(&p, &t, &t, ATA_TIMING_8BIT); | ||
224 | } | ||
225 | |||
226 | b = ioread8(dp->dma_mode); | ||
227 | if (adev->devno & 1) | ||
228 | b = (b & ~ATP867X_IO_DMAMODE_SLAVE_MASK); | ||
229 | else | ||
230 | b = (b & ~ATP867X_IO_DMAMODE_MSTR_MASK); | ||
231 | iowrite8(b, dp->dma_mode); | ||
232 | |||
233 | b = atp867x_get_active_clocks_shifted(t.active) | | ||
234 | atp867x_get_recover_clocks_shifted(t.recover); | ||
235 | if (dp->pci66mhz) | ||
236 | b += 0x10; | ||
237 | |||
238 | if (adev->devno & 1) | ||
239 | iowrite8(b, dp->slave_piospd); | ||
240 | else | ||
241 | iowrite8(b, dp->mstr_piospd); | ||
242 | |||
243 | /* | ||
244 | * use the same value for comand timing as for PIO timimg | ||
245 | */ | ||
246 | iowrite8(b, dp->eightb_piospd); | ||
247 | } | ||
248 | |||
249 | static int atp867x_cable_detect(struct ata_port *ap) | ||
250 | { | ||
251 | return ATA_CBL_PATA40_SHORT; | ||
252 | } | ||
253 | |||
254 | static struct scsi_host_template atp867x_sht = { | ||
255 | ATA_BMDMA_SHT(DRV_NAME), | ||
256 | }; | ||
257 | |||
258 | static struct ata_port_operations atp867x_ops = { | ||
259 | .inherits = &ata_bmdma_port_ops, | ||
260 | .cable_detect = atp867x_cable_detect, | ||
261 | .set_piomode = atp867x_set_piomode, | ||
262 | .set_dmamode = atp867x_set_dmamode, | ||
263 | }; | ||
264 | |||
265 | |||
266 | #ifdef ATP867X_DEBUG | ||
267 | static void atp867x_check_res(struct pci_dev *pdev) | ||
268 | { | ||
269 | int i; | ||
270 | unsigned long start, len; | ||
271 | |||
272 | /* Check the PCI resources for this channel are enabled */ | ||
273 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | ||
274 | start = pci_resource_start(pdev, i); | ||
275 | len = pci_resource_len(pdev, i); | ||
276 | printk(KERN_DEBUG "ATP867X: resource start:len=%lx:%lx\n", | ||
277 | start, len); | ||
278 | } | ||
279 | } | ||
280 | |||
281 | static void atp867x_check_ports(struct ata_port *ap, int port) | ||
282 | { | ||
283 | struct ata_ioports *ioaddr = &ap->ioaddr; | ||
284 | struct atp867x_priv *dp = ap->private_data; | ||
285 | |||
286 | printk(KERN_DEBUG "ATP867X: port[%d] addresses\n" | ||
287 | " cmd_addr =0x%llx, 0x%llx\n" | ||
288 | " ctl_addr =0x%llx, 0x%llx\n" | ||
289 | " bmdma_addr =0x%llx, 0x%llx\n" | ||
290 | " data_addr =0x%llx\n" | ||
291 | " error_addr =0x%llx\n" | ||
292 | " feature_addr =0x%llx\n" | ||
293 | " nsect_addr =0x%llx\n" | ||
294 | " lbal_addr =0x%llx\n" | ||
295 | " lbam_addr =0x%llx\n" | ||
296 | " lbah_addr =0x%llx\n" | ||
297 | " device_addr =0x%llx\n" | ||
298 | " status_addr =0x%llx\n" | ||
299 | " command_addr =0x%llx\n" | ||
300 | " dp->dma_mode =0x%llx\n" | ||
301 | " dp->mstr_piospd =0x%llx\n" | ||
302 | " dp->slave_piospd =0x%llx\n" | ||
303 | " dp->eightb_piospd =0x%llx\n" | ||
304 | " dp->pci66mhz =0x%lx\n", | ||
305 | port, | ||
306 | (unsigned long long)ioaddr->cmd_addr, | ||
307 | (unsigned long long)ATP867X_IO_PORTBASE(ap, port), | ||
308 | (unsigned long long)ioaddr->ctl_addr, | ||
309 | (unsigned long long)ATP867X_IO_ALTSTATUS(ap, port), | ||
310 | (unsigned long long)ioaddr->bmdma_addr, | ||
311 | (unsigned long long)ATP867X_IO_DMABASE(ap, port), | ||
312 | (unsigned long long)ioaddr->data_addr, | ||
313 | (unsigned long long)ioaddr->error_addr, | ||
314 | (unsigned long long)ioaddr->feature_addr, | ||
315 | (unsigned long long)ioaddr->nsect_addr, | ||
316 | (unsigned long long)ioaddr->lbal_addr, | ||
317 | (unsigned long long)ioaddr->lbam_addr, | ||
318 | (unsigned long long)ioaddr->lbah_addr, | ||
319 | (unsigned long long)ioaddr->device_addr, | ||
320 | (unsigned long long)ioaddr->status_addr, | ||
321 | (unsigned long long)ioaddr->command_addr, | ||
322 | (unsigned long long)dp->dma_mode, | ||
323 | (unsigned long long)dp->mstr_piospd, | ||
324 | (unsigned long long)dp->slave_piospd, | ||
325 | (unsigned long long)dp->eightb_piospd, | ||
326 | (unsigned long)dp->pci66mhz); | ||
327 | } | ||
328 | #endif | ||
329 | |||
330 | static int atp867x_set_priv(struct ata_port *ap) | ||
331 | { | ||
332 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | ||
333 | struct atp867x_priv *dp; | ||
334 | int port = ap->port_no; | ||
335 | |||
336 | dp = ap->private_data = | ||
337 | devm_kzalloc(&pdev->dev, sizeof(*dp), GFP_KERNEL); | ||
338 | if (dp == NULL) | ||
339 | return -ENOMEM; | ||
340 | |||
341 | dp->dma_mode = ATP867X_IO_DMAMODE(ap, port); | ||
342 | dp->mstr_piospd = ATP867X_IO_MSTRPIOSPD(ap, port); | ||
343 | dp->slave_piospd = ATP867X_IO_SLAVPIOSPD(ap, port); | ||
344 | dp->eightb_piospd = ATP867X_IO_8BPIOSPD(ap, port); | ||
345 | |||
346 | dp->pci66mhz = | ||
347 | ioread8(ATP867X_SYS_INFO(ap)) & ATP867X_IO_SYS_INFO_66MHZ; | ||
348 | |||
349 | return 0; | ||
350 | } | ||
351 | |||
352 | static void atp867x_fixup(struct ata_host *host) | ||
353 | { | ||
354 | struct pci_dev *pdev = to_pci_dev(host->dev); | ||
355 | struct ata_port *ap = host->ports[0]; | ||
356 | int i; | ||
357 | u8 v; | ||
358 | |||
359 | /* | ||
360 | * Broken BIOS might not set latency high enough | ||
361 | */ | ||
362 | pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &v); | ||
363 | if (v < 0x80) { | ||
364 | v = 0x80; | ||
365 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, v); | ||
366 | printk(KERN_DEBUG "ATP867X: set latency timer of device %s" | ||
367 | " to %d\n", pci_name(pdev), v); | ||
368 | } | ||
369 | |||
370 | /* | ||
371 | * init 8bit io ports speed(0aaarrrr) to 43h and | ||
372 | * init udma modes of master/slave to 0/0(11h) | ||
373 | */ | ||
374 | for (i = 0; i < ATP867X_NUM_PORTS; i++) | ||
375 | iowrite16(ATP867X_IO_PORTSPD_VAL, ATP867X_IO_PORTSPD(ap, i)); | ||
376 | |||
377 | /* | ||
378 | * init PreREAD counts | ||
379 | */ | ||
380 | for (i = 0; i < ATP867X_NUM_PORTS; i++) | ||
381 | iowrite16(ATP867X_PREREAD_VAL, ATP867X_IO_PREREAD(ap, i)); | ||
382 | |||
383 | v = ioread8(ATP867X_IOBASE(ap) + 0x28); | ||
384 | v &= 0xcf; /* Enable INTA#: bit4=0 means enable */ | ||
385 | v |= 0xc0; /* Enable PCI burst, MRM & not immediate interrupts */ | ||
386 | iowrite8(v, ATP867X_IOBASE(ap) + 0x28); | ||
387 | |||
388 | /* | ||
389 | * Turn off the over clocked udma5 mode, only for Rev-B | ||
390 | */ | ||
391 | v = ioread8(ATP867X_SYS_INFO(ap)); | ||
392 | v &= ATP867X_IO_SYS_MASK_RESERVED; | ||
393 | if (pdev->device == PCI_DEVICE_ID_ARTOP_ATP867B) | ||
394 | v |= ATP867X_IO_SYS_INFO_SLOW_UDMA5; | ||
395 | iowrite8(v, ATP867X_SYS_INFO(ap)); | ||
396 | } | ||
397 | |||
398 | static int atp867x_ata_pci_sff_init_host(struct ata_host *host) | ||
399 | { | ||
400 | struct device *gdev = host->dev; | ||
401 | struct pci_dev *pdev = to_pci_dev(gdev); | ||
402 | unsigned int mask = 0; | ||
403 | int i, rc; | ||
404 | |||
405 | /* | ||
406 | * do not map rombase | ||
407 | */ | ||
408 | rc = pcim_iomap_regions(pdev, 1 << ATP867X_BAR_IOBASE, DRV_NAME); | ||
409 | if (rc == -EBUSY) | ||
410 | pcim_pin_device(pdev); | ||
411 | if (rc) | ||
412 | return rc; | ||
413 | host->iomap = pcim_iomap_table(pdev); | ||
414 | |||
415 | #ifdef ATP867X_DEBUG | ||
416 | atp867x_check_res(pdev); | ||
417 | |||
418 | for (i = 0; i < PCI_ROM_RESOURCE; i++) | ||
419 | printk(KERN_DEBUG "ATP867X: iomap[%d]=0x%llx\n", i, | ||
420 | (unsigned long long)(host->iomap[i])); | ||
421 | #endif | ||
422 | |||
423 | /* | ||
424 | * request, iomap BARs and init port addresses accordingly | ||
425 | */ | ||
426 | for (i = 0; i < host->n_ports; i++) { | ||
427 | struct ata_port *ap = host->ports[i]; | ||
428 | struct ata_ioports *ioaddr = &ap->ioaddr; | ||
429 | |||
430 | ioaddr->cmd_addr = ATP867X_IO_PORTBASE(ap, i); | ||
431 | ioaddr->ctl_addr = ioaddr->altstatus_addr | ||
432 | = ATP867X_IO_ALTSTATUS(ap, i); | ||
433 | ioaddr->bmdma_addr = ATP867X_IO_DMABASE(ap, i); | ||
434 | |||
435 | ata_sff_std_ports(ioaddr); | ||
436 | rc = atp867x_set_priv(ap); | ||
437 | if (rc) | ||
438 | return rc; | ||
439 | |||
440 | #ifdef ATP867X_DEBUG | ||
441 | atp867x_check_ports(ap, i); | ||
442 | #endif | ||
443 | ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", | ||
444 | (unsigned long)ioaddr->cmd_addr, | ||
445 | (unsigned long)ioaddr->ctl_addr); | ||
446 | ata_port_desc(ap, "bmdma 0x%lx", | ||
447 | (unsigned long)ioaddr->bmdma_addr); | ||
448 | |||
449 | mask |= 1 << i; | ||
450 | } | ||
451 | |||
452 | if (!mask) { | ||
453 | dev_printk(KERN_ERR, gdev, "no available native port\n"); | ||
454 | return -ENODEV; | ||
455 | } | ||
456 | |||
457 | atp867x_fixup(host); | ||
458 | |||
459 | rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); | ||
460 | if (rc) | ||
461 | return rc; | ||
462 | |||
463 | rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); | ||
464 | return rc; | ||
465 | } | ||
466 | |||
467 | static int atp867x_init_one(struct pci_dev *pdev, | ||
468 | const struct pci_device_id *id) | ||
469 | { | ||
470 | static int printed_version; | ||
471 | static const struct ata_port_info info_867x = { | ||
472 | .flags = ATA_FLAG_SLAVE_POSS, | ||
473 | .pio_mask = ATA_PIO4, | ||
474 | .mwdma_mask = ATA_MWDMA2, | ||
475 | .udma_mask = ATA_UDMA6, | ||
476 | .port_ops = &atp867x_ops, | ||
477 | }; | ||
478 | |||
479 | struct ata_host *host; | ||
480 | const struct ata_port_info *ppi[] = { &info_867x, NULL }; | ||
481 | int rc; | ||
482 | |||
483 | if (!printed_version++) | ||
484 | dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); | ||
485 | |||
486 | rc = pcim_enable_device(pdev); | ||
487 | if (rc) | ||
488 | return rc; | ||
489 | |||
490 | printk(KERN_INFO "ATP867X: ATP867 ATA UDMA133 controller (rev %02X)", | ||
491 | pdev->device); | ||
492 | |||
493 | host = ata_host_alloc_pinfo(&pdev->dev, ppi, ATP867X_NUM_PORTS); | ||
494 | if (!host) { | ||
495 | dev_printk(KERN_ERR, &pdev->dev, | ||
496 | "failed to allocate ATA host\n"); | ||
497 | rc = -ENOMEM; | ||
498 | goto err_out; | ||
499 | } | ||
500 | |||
501 | rc = atp867x_ata_pci_sff_init_host(host); | ||
502 | if (rc) { | ||
503 | dev_printk(KERN_ERR, &pdev->dev, "failed to init host\n"); | ||
504 | goto err_out; | ||
505 | } | ||
506 | |||
507 | pci_set_master(pdev); | ||
508 | |||
509 | rc = ata_host_activate(host, pdev->irq, ata_sff_interrupt, | ||
510 | IRQF_SHARED, &atp867x_sht); | ||
511 | if (rc) | ||
512 | dev_printk(KERN_ERR, &pdev->dev, "failed to activate host\n"); | ||
513 | |||
514 | err_out: | ||
515 | return rc; | ||
516 | } | ||
517 | |||
518 | static struct pci_device_id atp867x_pci_tbl[] = { | ||
519 | { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867A), 0 }, | ||
520 | { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867B), 0 }, | ||
521 | { }, | ||
522 | }; | ||
523 | |||
524 | static struct pci_driver atp867x_driver = { | ||
525 | .name = DRV_NAME, | ||
526 | .id_table = atp867x_pci_tbl, | ||
527 | .probe = atp867x_init_one, | ||
528 | .remove = ata_pci_remove_one, | ||
529 | }; | ||
530 | |||
531 | static int __init atp867x_init(void) | ||
532 | { | ||
533 | return pci_register_driver(&atp867x_driver); | ||
534 | } | ||
535 | |||
536 | static void __exit atp867x_exit(void) | ||
537 | { | ||
538 | pci_unregister_driver(&atp867x_driver); | ||
539 | } | ||
540 | |||
541 | MODULE_AUTHOR("John(Jung-Ik) Lee, Google Inc."); | ||
542 | MODULE_DESCRIPTION("low level driver for Artop/Acard 867x ATA controller"); | ||
543 | MODULE_LICENSE("GPL"); | ||
544 | MODULE_DEVICE_TABLE(pci, atp867x_pci_tbl); | ||
545 | MODULE_VERSION(DRV_VERSION); | ||
546 | |||
547 | module_init(atp867x_init); | ||
548 | module_exit(atp867x_exit); | ||
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 8975add8668f..3b6b788fe2b5 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h | |||
@@ -1529,6 +1529,8 @@ | |||
1529 | #define PCI_DEVICE_ID_ARTOP_ATP860R 0x0007 | 1529 | #define PCI_DEVICE_ID_ARTOP_ATP860R 0x0007 |
1530 | #define PCI_DEVICE_ID_ARTOP_ATP865 0x0008 | 1530 | #define PCI_DEVICE_ID_ARTOP_ATP865 0x0008 |
1531 | #define PCI_DEVICE_ID_ARTOP_ATP865R 0x0009 | 1531 | #define PCI_DEVICE_ID_ARTOP_ATP865R 0x0009 |
1532 | #define PCI_DEVICE_ID_ARTOP_ATP867A 0x000A | ||
1533 | #define PCI_DEVICE_ID_ARTOP_ATP867B 0x000B | ||
1532 | #define PCI_DEVICE_ID_ARTOP_AEC7610 0x8002 | 1534 | #define PCI_DEVICE_ID_ARTOP_AEC7610 0x8002 |
1533 | #define PCI_DEVICE_ID_ARTOP_AEC7612UW 0x8010 | 1535 | #define PCI_DEVICE_ID_ARTOP_AEC7612UW 0x8010 |
1534 | #define PCI_DEVICE_ID_ARTOP_AEC7612U 0x8020 | 1536 | #define PCI_DEVICE_ID_ARTOP_AEC7612U 0x8020 |