1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * pata_amd.c - AMD PATA for new ATA layer
4 * (C) 2005-2006 Red Hat Inc
5 *
6 * Based on pata-sil680. Errata information is taken from data sheets
7 * and the amd74xx.c driver by Vojtech Pavlik. Nvidia SATA devices are
8 * claimed by sata-nv.c.
9 *
10 * TODO:
11 * Variable system clock when/if it makes sense
12 * Power management on ports
13 *
14 *
15 * Documentation publicly available.
16 */
17
18#include <linux/kernel.h>
19#include <linux/module.h>
20#include <linux/pci.h>
21#include <linux/blkdev.h>
22#include <linux/delay.h>
23#include <scsi/scsi_host.h>
24#include <linux/libata.h>
25
26#define DRV_NAME "pata_amd"
27#define DRV_VERSION "0.4.1"
28
29/**
30 * timing_setup - shared timing computation and load
31 * @ap: ATA port being set up
32 * @adev: drive being configured
33 * @offset: port offset
34 * @speed: target speed
35 * @clock: clock multiplier (number of times 33MHz for this part)
36 *
37 * Perform the actual timing set up for Nvidia or AMD PATA devices.
38 * The actual devices vary so they all call into this helper function
39 * providing the clock multipler and offset (because AMD and Nvidia put
40 * the ports at different locations).
41 */
42
43static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offset, int speed, int clock)
44{
45 static const unsigned char amd_cyc2udma[] = {
46 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7
47 };
48
49 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
50 struct ata_device *peer = ata_dev_pair(adev);
51 int dn = ap->port_no * 2 + adev->devno;
52 struct ata_timing at, apeer;
53 int T, UT;
54 const int amd_clock = 33333; /* KHz. */
55 u8 t;
56
57 T = 1000000000 / amd_clock;
58 UT = T;
59 if (clock >= 2)
60 UT = T / 2;
61
62 if (ata_timing_compute(adev, speed, &at, T, UT) < 0) {
63 dev_err(&pdev->dev, "unknown mode %d\n", speed);
64 return;
65 }
66
67 if (peer) {
68 /* This may be over conservative */
69 if (ata_dma_enabled(adev: peer)) {
70 ata_timing_compute(peer, peer->dma_mode, &apeer, T, UT);
71 ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
72 }
73 ata_timing_compute(peer, peer->pio_mode, &apeer, T, UT);
74 ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
75 }
76
77 if (speed == XFER_UDMA_5 && amd_clock <= 33333) at.udma = 1;
78 if (speed == XFER_UDMA_6 && amd_clock <= 33333) at.udma = 15;
79
80 /*
81 * Now do the setup work
82 */
83
84 /* Configure the address set up timing */
85 pci_read_config_byte(dev: pdev, where: offset + 0x0C, val: &t);
86 t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(at.setup, 1, 4) - 1) << ((3 - dn) << 1));
87 pci_write_config_byte(dev: pdev, where: offset + 0x0C , val: t);
88
89 /* Configure the 8bit I/O timing */
90 pci_write_config_byte(dev: pdev, where: offset + 0x0E + (1 - (dn >> 1)),
91 val: ((clamp_val(at.act8b, 1, 16) - 1) << 4) | (clamp_val(at.rec8b, 1, 16) - 1));
92
93 /* Drive timing */
94 pci_write_config_byte(dev: pdev, where: offset + 0x08 + (3 - dn),
95 val: ((clamp_val(at.active, 1, 16) - 1) << 4) | (clamp_val(at.recover, 1, 16) - 1));
96
97 switch (clock) {
98 case 1:
99 t = at.udma ? (0xc0 | (clamp_val(at.udma, 2, 5) - 2)) : 0x03;
100 break;
101
102 case 2:
103 t = at.udma ? (0xc0 | amd_cyc2udma[clamp_val(at.udma, 2, 10)]) : 0x03;
104 break;
105
106 case 3:
107 t = at.udma ? (0xc0 | amd_cyc2udma[clamp_val(at.udma, 1, 10)]) : 0x03;
108 break;
109
110 case 4:
111 t = at.udma ? (0xc0 | amd_cyc2udma[clamp_val(at.udma, 1, 15)]) : 0x03;
112 break;
113
114 default:
115 return;
116 }
117
118 /* UDMA timing */
119 if (at.udma)
120 pci_write_config_byte(dev: pdev, where: offset + 0x10 + (3 - dn), val: t);
121}
122
123/**
124 * amd_pre_reset - perform reset handling
125 * @link: ATA link
126 * @deadline: deadline jiffies for the operation
127 *
128 * Reset sequence checking enable bits to see which ports are
129 * active.
130 */
131
132static int amd_pre_reset(struct ata_link *link, unsigned long deadline)
133{
134 static const struct pci_bits amd_enable_bits[] = {
135 { 0x40, 1, 0x02, 0x02 },
136 { 0x40, 1, 0x01, 0x01 }
137 };
138
139 struct ata_port *ap = link->ap;
140 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
141
142 if (!pci_test_config_bits(pdev, bits: &amd_enable_bits[ap->port_no]))
143 return -ENOENT;
144
145 return ata_sff_prereset(link, deadline);
146}
147
148/**
149 * amd_cable_detect - report cable type
150 * @ap: port
151 *
152 * AMD controller/BIOS setups record the cable type in word 0x42
153 */
154
155static int amd_cable_detect(struct ata_port *ap)
156{
157 static const u32 bitmask[2] = {0x03, 0x0C};
158 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
159 u8 ata66;
160
161 pci_read_config_byte(dev: pdev, where: 0x42, val: &ata66);
162 if (ata66 & bitmask[ap->port_no])
163 return ATA_CBL_PATA80;
164 return ATA_CBL_PATA40;
165}
166
167/**
168 * amd_fifo_setup - set the PIO FIFO for ATA/ATAPI
169 * @ap: ATA interface
170 *
171 * Set the PCI fifo for this device according to the devices present
172 * on the bus at this point in time. We need to turn the post write buffer
173 * off for ATAPI devices as we may need to issue a word sized write to the
174 * device as the final I/O
175 */
176
177static void amd_fifo_setup(struct ata_port *ap)
178{
179 struct ata_device *adev;
180 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
181 static const u8 fifobit[2] = { 0xC0, 0x30};
182 u8 fifo = fifobit[ap->port_no];
183 u8 r;
184
185
186 ata_for_each_dev(adev, &ap->link, ENABLED) {
187 if (adev->class == ATA_DEV_ATAPI)
188 fifo = 0;
189 }
190 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411) /* FIFO is broken */
191 fifo = 0;
192
193 /* On the later chips the read prefetch bits become no-op bits */
194 pci_read_config_byte(dev: pdev, where: 0x41, val: &r);
195 r &= ~fifobit[ap->port_no];
196 r |= fifo;
197 pci_write_config_byte(dev: pdev, where: 0x41, val: r);
198}
199
200/**
201 * amd33_set_piomode - set initial PIO mode data
202 * @ap: ATA interface
203 * @adev: ATA device
204 *
205 * Program the AMD registers for PIO mode.
206 */
207
208static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev)
209{
210 amd_fifo_setup(ap);
211 timing_setup(ap, adev, offset: 0x40, speed: adev->pio_mode, clock: 1);
212}
213
214static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev)
215{
216 amd_fifo_setup(ap);
217 timing_setup(ap, adev, offset: 0x40, speed: adev->pio_mode, clock: 2);
218}
219
220static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev)
221{
222 amd_fifo_setup(ap);
223 timing_setup(ap, adev, offset: 0x40, speed: adev->pio_mode, clock: 3);
224}
225
226static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev)
227{
228 amd_fifo_setup(ap);
229 timing_setup(ap, adev, offset: 0x40, speed: adev->pio_mode, clock: 4);
230}
231
232/**
233 * amd33_set_dmamode - set initial DMA mode data
234 * @ap: ATA interface
235 * @adev: ATA device
236 *
237 * Program the MWDMA/UDMA modes for the AMD and Nvidia
238 * chipset.
239 */
240
241static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev)
242{
243 timing_setup(ap, adev, offset: 0x40, speed: adev->dma_mode, clock: 1);
244}
245
246static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev)
247{
248 timing_setup(ap, adev, offset: 0x40, speed: adev->dma_mode, clock: 2);
249}
250
251static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
252{
253 timing_setup(ap, adev, offset: 0x40, speed: adev->dma_mode, clock: 3);
254}
255
256static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
257{
258 timing_setup(ap, adev, offset: 0x40, speed: adev->dma_mode, clock: 4);
259}
260
261/* Both host-side and drive-side detection results are worthless on NV
262 * PATAs. Ignore them and just follow what BIOS configured. Both the
263 * current configuration in PCI config reg and ACPI GTM result are
264 * cached during driver attach and are consulted to select transfer
265 * mode.
266 */
267static unsigned int nv_mode_filter(struct ata_device *dev,
268 unsigned int xfer_mask)
269{
270 static const unsigned int udma_mask_map[] =
271 { ATA_UDMA2, ATA_UDMA1, ATA_UDMA0, 0,
272 ATA_UDMA3, ATA_UDMA4, ATA_UDMA5, ATA_UDMA6 };
273 struct ata_port *ap = dev->link->ap;
274 char acpi_str[32] = "";
275 u32 saved_udma, udma;
276 const struct ata_acpi_gtm *gtm;
277 unsigned int bios_limit = 0, acpi_limit = 0, limit;
278
279 /* find out what BIOS configured */
280 udma = saved_udma = (unsigned long)ap->host->private_data;
281
282 if (ap->port_no == 0)
283 udma >>= 16;
284 if (dev->devno == 0)
285 udma >>= 8;
286
287 if ((udma & 0xc0) == 0xc0)
288 bios_limit = ata_pack_xfermask(pio_mask: 0, mwdma_mask: 0, udma_mask: udma_mask_map[udma & 0x7]);
289
290 /* consult ACPI GTM too */
291 gtm = ata_acpi_init_gtm(ap);
292 if (gtm) {
293 acpi_limit = ata_acpi_gtm_xfermask(dev, gtm);
294
295 snprintf(buf: acpi_str, size: sizeof(acpi_str), fmt: " (%u:%u:0x%x)",
296 gtm->drive[0].dma, gtm->drive[1].dma, gtm->flags);
297 }
298
299 /* be optimistic, EH can take care of things if something goes wrong */
300 limit = bios_limit | acpi_limit;
301
302 /* If PIO or DMA isn't configured at all, don't limit. Let EH
303 * handle it.
304 */
305 if (!(limit & ATA_MASK_PIO))
306 limit |= ATA_MASK_PIO;
307 if (!(limit & (ATA_MASK_MWDMA | ATA_MASK_UDMA)))
308 limit |= ATA_MASK_MWDMA | ATA_MASK_UDMA;
309 /* PIO4, MWDMA2, UDMA2 should always be supported regardless of
310 cable detection result */
311 limit |= ata_pack_xfermask(pio_mask: ATA_PIO4, mwdma_mask: ATA_MWDMA2, udma_mask: ATA_UDMA2);
312
313 ata_port_dbg(ap,
314 "nv_mode_filter: 0x%x&0x%x->0x%x, BIOS=0x%x (0x%x) ACPI=0x%x%s\n",
315 xfer_mask, limit, xfer_mask & limit, bios_limit,
316 saved_udma, acpi_limit, acpi_str);
317
318 return xfer_mask & limit;
319}
320
321/**
322 * nv_pre_reset - cable detection
323 * @link: ATA link
324 * @deadline: deadline jiffies for the operation
325 *
326 * Perform cable detection. The BIOS stores this in PCI config
327 * space for us.
328 */
329
330static int nv_pre_reset(struct ata_link *link, unsigned long deadline)
331{
332 static const struct pci_bits nv_enable_bits[] = {
333 { 0x50, 1, 0x02, 0x02 },
334 { 0x50, 1, 0x01, 0x01 }
335 };
336
337 struct ata_port *ap = link->ap;
338 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
339
340 if (!pci_test_config_bits(pdev, bits: &nv_enable_bits[ap->port_no]))
341 return -ENOENT;
342
343 return ata_sff_prereset(link, deadline);
344}
345
346/**
347 * nv100_set_piomode - set initial PIO mode data
348 * @ap: ATA interface
349 * @adev: ATA device
350 *
351 * Program the AMD registers for PIO mode.
352 */
353
354static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev)
355{
356 timing_setup(ap, adev, offset: 0x50, speed: adev->pio_mode, clock: 3);
357}
358
359static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev)
360{
361 timing_setup(ap, adev, offset: 0x50, speed: adev->pio_mode, clock: 4);
362}
363
364/**
365 * nv100_set_dmamode - set initial DMA mode data
366 * @ap: ATA interface
367 * @adev: ATA device
368 *
369 * Program the MWDMA/UDMA modes for the AMD and Nvidia
370 * chipset.
371 */
372
373static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
374{
375 timing_setup(ap, adev, offset: 0x50, speed: adev->dma_mode, clock: 3);
376}
377
378static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
379{
380 timing_setup(ap, adev, offset: 0x50, speed: adev->dma_mode, clock: 4);
381}
382
383static void nv_host_stop(struct ata_host *host)
384{
385 u32 udma = (unsigned long)host->private_data;
386
387 /* restore PCI config register 0x60 */
388 pci_write_config_dword(to_pci_dev(host->dev), where: 0x60, val: udma);
389}
390
391static const struct scsi_host_template amd_sht = {
392 ATA_BMDMA_SHT(DRV_NAME),
393};
394
395static const struct ata_port_operations amd_base_port_ops = {
396 .inherits = &ata_bmdma32_port_ops,
397 .prereset = amd_pre_reset,
398};
399
400static struct ata_port_operations amd33_port_ops = {
401 .inherits = &amd_base_port_ops,
402 .cable_detect = ata_cable_40wire,
403 .set_piomode = amd33_set_piomode,
404 .set_dmamode = amd33_set_dmamode,
405};
406
407static struct ata_port_operations amd66_port_ops = {
408 .inherits = &amd_base_port_ops,
409 .cable_detect = ata_cable_unknown,
410 .set_piomode = amd66_set_piomode,
411 .set_dmamode = amd66_set_dmamode,
412};
413
414static struct ata_port_operations amd100_port_ops = {
415 .inherits = &amd_base_port_ops,
416 .cable_detect = ata_cable_unknown,
417 .set_piomode = amd100_set_piomode,
418 .set_dmamode = amd100_set_dmamode,
419};
420
421static struct ata_port_operations amd133_port_ops = {
422 .inherits = &amd_base_port_ops,
423 .cable_detect = amd_cable_detect,
424 .set_piomode = amd133_set_piomode,
425 .set_dmamode = amd133_set_dmamode,
426};
427
428static const struct ata_port_operations nv_base_port_ops = {
429 .inherits = &ata_bmdma_port_ops,
430 .cable_detect = ata_cable_ignore,
431 .mode_filter = nv_mode_filter,
432 .prereset = nv_pre_reset,
433 .host_stop = nv_host_stop,
434};
435
436static struct ata_port_operations nv100_port_ops = {
437 .inherits = &nv_base_port_ops,
438 .set_piomode = nv100_set_piomode,
439 .set_dmamode = nv100_set_dmamode,
440};
441
442static struct ata_port_operations nv133_port_ops = {
443 .inherits = &nv_base_port_ops,
444 .set_piomode = nv133_set_piomode,
445 .set_dmamode = nv133_set_dmamode,
446};
447
448static void amd_clear_fifo(struct pci_dev *pdev)
449{
450 u8 fifo;
451 /* Disable the FIFO, the FIFO logic will re-enable it as
452 appropriate */
453 pci_read_config_byte(dev: pdev, where: 0x41, val: &fifo);
454 fifo &= 0x0F;
455 pci_write_config_byte(dev: pdev, where: 0x41, val: fifo);
456}
457
458static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
459{
460 static const struct ata_port_info info[10] = {
461 { /* 0: AMD 7401 - no swdma */
462 .flags = ATA_FLAG_SLAVE_POSS,
463 .pio_mask = ATA_PIO4,
464 .mwdma_mask = ATA_MWDMA2,
465 .udma_mask = ATA_UDMA2,
466 .port_ops = &amd33_port_ops
467 },
468 { /* 1: Early AMD7409 - no swdma */
469 .flags = ATA_FLAG_SLAVE_POSS,
470 .pio_mask = ATA_PIO4,
471 .mwdma_mask = ATA_MWDMA2,
472 .udma_mask = ATA_UDMA4,
473 .port_ops = &amd66_port_ops
474 },
475 { /* 2: AMD 7409 */
476 .flags = ATA_FLAG_SLAVE_POSS,
477 .pio_mask = ATA_PIO4,
478 .mwdma_mask = ATA_MWDMA2,
479 .udma_mask = ATA_UDMA4,
480 .port_ops = &amd66_port_ops
481 },
482 { /* 3: AMD 7411 */
483 .flags = ATA_FLAG_SLAVE_POSS,
484 .pio_mask = ATA_PIO4,
485 .mwdma_mask = ATA_MWDMA2,
486 .udma_mask = ATA_UDMA5,
487 .port_ops = &amd100_port_ops
488 },
489 { /* 4: AMD 7441 */
490 .flags = ATA_FLAG_SLAVE_POSS,
491 .pio_mask = ATA_PIO4,
492 .mwdma_mask = ATA_MWDMA2,
493 .udma_mask = ATA_UDMA5,
494 .port_ops = &amd100_port_ops
495 },
496 { /* 5: AMD 8111 - no swdma */
497 .flags = ATA_FLAG_SLAVE_POSS,
498 .pio_mask = ATA_PIO4,
499 .mwdma_mask = ATA_MWDMA2,
500 .udma_mask = ATA_UDMA6,
501 .port_ops = &amd133_port_ops
502 },
503 { /* 6: AMD 8111 UDMA 100 (Serenade) - no swdma */
504 .flags = ATA_FLAG_SLAVE_POSS,
505 .pio_mask = ATA_PIO4,
506 .mwdma_mask = ATA_MWDMA2,
507 .udma_mask = ATA_UDMA5,
508 .port_ops = &amd133_port_ops
509 },
510 { /* 7: Nvidia Nforce */
511 .flags = ATA_FLAG_SLAVE_POSS,
512 .pio_mask = ATA_PIO4,
513 .mwdma_mask = ATA_MWDMA2,
514 .udma_mask = ATA_UDMA5,
515 .port_ops = &nv100_port_ops
516 },
517 { /* 8: Nvidia Nforce2 and later - no swdma */
518 .flags = ATA_FLAG_SLAVE_POSS,
519 .pio_mask = ATA_PIO4,
520 .mwdma_mask = ATA_MWDMA2,
521 .udma_mask = ATA_UDMA6,
522 .port_ops = &nv133_port_ops
523 },
524 { /* 9: AMD CS5536 (Geode companion) */
525 .flags = ATA_FLAG_SLAVE_POSS,
526 .pio_mask = ATA_PIO4,
527 .mwdma_mask = ATA_MWDMA2,
528 .udma_mask = ATA_UDMA5,
529 .port_ops = &amd100_port_ops
530 }
531 };
532 const struct ata_port_info *ppi[] = { NULL, NULL };
533 int type = id->driver_data;
534 void *hpriv = NULL;
535 u8 fifo;
536 int rc;
537
538 ata_print_version_once(&pdev->dev, DRV_VERSION);
539
540 rc = pcim_enable_device(pdev);
541 if (rc)
542 return rc;
543
544 pci_read_config_byte(dev: pdev, where: 0x41, val: &fifo);
545
546 /* Check for AMD7409 without swdma errata and if found adjust type */
547 if (type == 1 && pdev->revision > 0x7)
548 type = 2;
549
550 /* Serenade ? */
551 if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
552 pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
553 type = 6; /* UDMA 100 only */
554
555 /*
556 * Okay, type is determined now. Apply type-specific workarounds.
557 */
558 ppi[0] = &info[type];
559
560 if (type < 3)
561 ata_pci_bmdma_clear_simplex(pdev);
562 if (pdev->vendor == PCI_VENDOR_ID_AMD)
563 amd_clear_fifo(pdev);
564 /* Cable detection on Nvidia chips doesn't work too well,
565 * cache BIOS programmed UDMA mode.
566 */
567 if (type == 7 || type == 8) {
568 u32 udma;
569
570 pci_read_config_dword(dev: pdev, where: 0x60, val: &udma);
571 hpriv = (void *)(unsigned long)udma;
572 }
573
574 /* And fire it up */
575 return ata_pci_bmdma_init_one(pdev, ppi, sht: &amd_sht, host_priv: hpriv, hflags: 0);
576}
577
578#ifdef CONFIG_PM_SLEEP
579static int amd_reinit_one(struct pci_dev *pdev)
580{
581 struct ata_host *host = pci_get_drvdata(pdev);
582 int rc;
583
584 rc = ata_pci_device_do_resume(pdev);
585 if (rc)
586 return rc;
587
588 if (pdev->vendor == PCI_VENDOR_ID_AMD) {
589 amd_clear_fifo(pdev);
590 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
591 pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
592 ata_pci_bmdma_clear_simplex(pdev);
593 }
594 ata_host_resume(host);
595 return 0;
596}
597#endif
598
599static const struct pci_device_id amd[] = {
600 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 },
601 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 },
602 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 3 },
603 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 4 },
604 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 5 },
605 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 7 },
606 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 8 },
607 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 8 },
608 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 8 },
609 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 8 },
610 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 8 },
611 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 8 },
612 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 8 },
613 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 8 },
614 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 },
615 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 },
616 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 },
617 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 8 },
618 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 8 },
619 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 },
620 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_DEV_IDE), 9 },
621
622 { },
623};
624
625static struct pci_driver amd_pci_driver = {
626 .name = DRV_NAME,
627 .id_table = amd,
628 .probe = amd_init_one,
629 .remove = ata_pci_remove_one,
630#ifdef CONFIG_PM_SLEEP
631 .suspend = ata_pci_device_suspend,
632 .resume = amd_reinit_one,
633#endif
634};
635
636module_pci_driver(amd_pci_driver);
637
638MODULE_AUTHOR("Alan Cox");
639MODULE_DESCRIPTION("low-level driver for AMD and Nvidia PATA IDE");
640MODULE_LICENSE("GPL");
641MODULE_DEVICE_TABLE(pci, amd);
642MODULE_VERSION(DRV_VERSION);
643

source code of linux/drivers/ata/pata_amd.c