xref: /openbmc/linux/drivers/ata/pata_amd.c (revision b627b4ed)
1 /*
2  * pata_amd.c 	- AMD PATA for new ATA layer
3  *			  (C) 2005-2006 Red Hat Inc
4  *
5  *  Based on pata-sil680. Errata information is taken from data sheets
6  *  and the amd74xx.c driver by Vojtech Pavlik. Nvidia SATA devices are
7  *  claimed by sata-nv.c.
8  *
9  *  TODO:
10  *	Variable system clock when/if it makes sense
11  *	Power management on ports
12  *
13  *
14  *  Documentation publically available.
15  */
16 
17 #include <linux/kernel.h>
18 #include <linux/module.h>
19 #include <linux/pci.h>
20 #include <linux/init.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 
43 static 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_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed);
64 		return;
65 	}
66 
67 	if (peer) {
68 		/* This may be over conservative */
69 		if (peer->dma_mode) {
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(pdev, offset + 0x0C, &t);
86 	t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(at.setup, 1, 4) - 1) << ((3 - dn) << 1));
87 	pci_write_config_byte(pdev, offset + 0x0C , t);
88 
89 	/* Configure the 8bit I/O timing */
90 	pci_write_config_byte(pdev, offset + 0x0E + (1 - (dn >> 1)),
91 		((clamp_val(at.act8b, 1, 16) - 1) << 4) | (clamp_val(at.rec8b, 1, 16) - 1));
92 
93 	/* Drive timing */
94 	pci_write_config_byte(pdev, offset + 0x08 + (3 - dn),
95 		((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(pdev, offset + 0x10 + (3 - dn), 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 
132 static 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, &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 
155 static 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(pdev, 0x42, &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  *	@adev: ATA device
171  *
172  *	Set the PCI fifo for this device according to the devices present
173  *	on the bus at this point in time. We need to turn the post write buffer
174  *	off for ATAPI devices as we may need to issue a word sized write to the
175  *	device as the final I/O
176  */
177 
178 static void amd_fifo_setup(struct ata_port *ap)
179 {
180 	struct ata_device *adev;
181 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
182 	static const u8 fifobit[2] = { 0xC0, 0x30};
183 	u8 fifo = fifobit[ap->port_no];
184 	u8 r;
185 
186 
187 	ata_for_each_dev(adev, &ap->link, ENABLED) {
188 		if (adev->class == ATA_DEV_ATAPI)
189 			fifo = 0;
190 	}
191 	if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411) /* FIFO is broken */
192 		fifo = 0;
193 
194 	/* On the later chips the read prefetch bits become no-op bits */
195 	pci_read_config_byte(pdev, 0x41, &r);
196 	r &= ~fifobit[ap->port_no];
197 	r |= fifo;
198 	pci_write_config_byte(pdev, 0x41, r);
199 }
200 
201 /**
202  *	amd33_set_piomode	-	set initial PIO mode data
203  *	@ap: ATA interface
204  *	@adev: ATA device
205  *
206  *	Program the AMD registers for PIO mode.
207  */
208 
209 static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev)
210 {
211 	amd_fifo_setup(ap);
212 	timing_setup(ap, adev, 0x40, adev->pio_mode, 1);
213 }
214 
215 static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev)
216 {
217 	amd_fifo_setup(ap);
218 	timing_setup(ap, adev, 0x40, adev->pio_mode, 2);
219 }
220 
221 static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev)
222 {
223 	amd_fifo_setup(ap);
224 	timing_setup(ap, adev, 0x40, adev->pio_mode, 3);
225 }
226 
227 static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev)
228 {
229 	amd_fifo_setup(ap);
230 	timing_setup(ap, adev, 0x40, adev->pio_mode, 4);
231 }
232 
233 /**
234  *	amd33_set_dmamode	-	set initial DMA mode data
235  *	@ap: ATA interface
236  *	@adev: ATA device
237  *
238  *	Program the MWDMA/UDMA modes for the AMD and Nvidia
239  *	chipset.
240  */
241 
242 static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev)
243 {
244 	timing_setup(ap, adev, 0x40, adev->dma_mode, 1);
245 }
246 
247 static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev)
248 {
249 	timing_setup(ap, adev, 0x40, adev->dma_mode, 2);
250 }
251 
252 static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
253 {
254 	timing_setup(ap, adev, 0x40, adev->dma_mode, 3);
255 }
256 
257 static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
258 {
259 	timing_setup(ap, adev, 0x40, adev->dma_mode, 4);
260 }
261 
262 /* Both host-side and drive-side detection results are worthless on NV
263  * PATAs.  Ignore them and just follow what BIOS configured.  Both the
264  * current configuration in PCI config reg and ACPI GTM result are
265  * cached during driver attach and are consulted to select transfer
266  * mode.
267  */
268 static unsigned long nv_mode_filter(struct ata_device *dev,
269 				    unsigned long xfer_mask)
270 {
271 	static const unsigned int udma_mask_map[] =
272 		{ ATA_UDMA2, ATA_UDMA1, ATA_UDMA0, 0,
273 		  ATA_UDMA3, ATA_UDMA4, ATA_UDMA5, ATA_UDMA6 };
274 	struct ata_port *ap = dev->link->ap;
275 	char acpi_str[32] = "";
276 	u32 saved_udma, udma;
277 	const struct ata_acpi_gtm *gtm;
278 	unsigned long bios_limit = 0, acpi_limit = 0, limit;
279 
280 	/* find out what BIOS configured */
281 	udma = saved_udma = (unsigned long)ap->host->private_data;
282 
283 	if (ap->port_no == 0)
284 		udma >>= 16;
285 	if (dev->devno == 0)
286 		udma >>= 8;
287 
288 	if ((udma & 0xc0) == 0xc0)
289 		bios_limit = ata_pack_xfermask(0, 0, udma_mask_map[udma & 0x7]);
290 
291 	/* consult ACPI GTM too */
292 	gtm = ata_acpi_init_gtm(ap);
293 	if (gtm) {
294 		acpi_limit = ata_acpi_gtm_xfermask(dev, gtm);
295 
296 		snprintf(acpi_str, sizeof(acpi_str), " (%u:%u:0x%x)",
297 			 gtm->drive[0].dma, gtm->drive[1].dma, gtm->flags);
298 	}
299 
300 	/* be optimistic, EH can take care of things if something goes wrong */
301 	limit = bios_limit | acpi_limit;
302 
303 	/* If PIO or DMA isn't configured at all, don't limit.  Let EH
304 	 * handle it.
305 	 */
306 	if (!(limit & ATA_MASK_PIO))
307 		limit |= ATA_MASK_PIO;
308 	if (!(limit & (ATA_MASK_MWDMA | ATA_MASK_UDMA)))
309 		limit |= ATA_MASK_MWDMA | ATA_MASK_UDMA;
310 
311 	ata_port_printk(ap, KERN_DEBUG, "nv_mode_filter: 0x%lx&0x%lx->0x%lx, "
312 			"BIOS=0x%lx (0x%x) ACPI=0x%lx%s\n",
313 			xfer_mask, limit, xfer_mask & limit, bios_limit,
314 			saved_udma, acpi_limit, acpi_str);
315 
316 	return xfer_mask & limit;
317 }
318 
319 /**
320  *	nv_probe_init	-	cable detection
321  *	@lin: ATA link
322  *
323  *	Perform cable detection. The BIOS stores this in PCI config
324  *	space for us.
325  */
326 
327 static int nv_pre_reset(struct ata_link *link, unsigned long deadline)
328 {
329 	static const struct pci_bits nv_enable_bits[] = {
330 		{ 0x50, 1, 0x02, 0x02 },
331 		{ 0x50, 1, 0x01, 0x01 }
332 	};
333 
334 	struct ata_port *ap = link->ap;
335 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
336 
337 	if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
338 		return -ENOENT;
339 
340 	return ata_sff_prereset(link, deadline);
341 }
342 
343 /**
344  *	nv100_set_piomode	-	set initial PIO mode data
345  *	@ap: ATA interface
346  *	@adev: ATA device
347  *
348  *	Program the AMD registers for PIO mode.
349  */
350 
351 static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev)
352 {
353 	timing_setup(ap, adev, 0x50, adev->pio_mode, 3);
354 }
355 
356 static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev)
357 {
358 	timing_setup(ap, adev, 0x50, adev->pio_mode, 4);
359 }
360 
361 /**
362  *	nv100_set_dmamode	-	set initial DMA mode data
363  *	@ap: ATA interface
364  *	@adev: ATA device
365  *
366  *	Program the MWDMA/UDMA modes for the AMD and Nvidia
367  *	chipset.
368  */
369 
370 static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
371 {
372 	timing_setup(ap, adev, 0x50, adev->dma_mode, 3);
373 }
374 
375 static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
376 {
377 	timing_setup(ap, adev, 0x50, adev->dma_mode, 4);
378 }
379 
380 static void nv_host_stop(struct ata_host *host)
381 {
382 	u32 udma = (unsigned long)host->private_data;
383 
384 	/* restore PCI config register 0x60 */
385 	pci_write_config_dword(to_pci_dev(host->dev), 0x60, udma);
386 }
387 
388 static struct scsi_host_template amd_sht = {
389 	ATA_BMDMA_SHT(DRV_NAME),
390 };
391 
392 static const struct ata_port_operations amd_base_port_ops = {
393 	.inherits	= &ata_bmdma32_port_ops,
394 	.prereset	= amd_pre_reset,
395 };
396 
397 static struct ata_port_operations amd33_port_ops = {
398 	.inherits	= &amd_base_port_ops,
399 	.cable_detect	= ata_cable_40wire,
400 	.set_piomode	= amd33_set_piomode,
401 	.set_dmamode	= amd33_set_dmamode,
402 };
403 
404 static struct ata_port_operations amd66_port_ops = {
405 	.inherits	= &amd_base_port_ops,
406 	.cable_detect	= ata_cable_unknown,
407 	.set_piomode	= amd66_set_piomode,
408 	.set_dmamode	= amd66_set_dmamode,
409 };
410 
411 static struct ata_port_operations amd100_port_ops = {
412 	.inherits	= &amd_base_port_ops,
413 	.cable_detect	= ata_cable_unknown,
414 	.set_piomode	= amd100_set_piomode,
415 	.set_dmamode	= amd100_set_dmamode,
416 };
417 
418 static struct ata_port_operations amd133_port_ops = {
419 	.inherits	= &amd_base_port_ops,
420 	.cable_detect	= amd_cable_detect,
421 	.set_piomode	= amd133_set_piomode,
422 	.set_dmamode	= amd133_set_dmamode,
423 };
424 
425 static const struct ata_port_operations nv_base_port_ops = {
426 	.inherits	= &ata_bmdma_port_ops,
427 	.cable_detect	= ata_cable_ignore,
428 	.mode_filter	= nv_mode_filter,
429 	.prereset	= nv_pre_reset,
430 	.host_stop	= nv_host_stop,
431 };
432 
433 static struct ata_port_operations nv100_port_ops = {
434 	.inherits	= &nv_base_port_ops,
435 	.set_piomode	= nv100_set_piomode,
436 	.set_dmamode	= nv100_set_dmamode,
437 };
438 
439 static struct ata_port_operations nv133_port_ops = {
440 	.inherits	= &nv_base_port_ops,
441 	.set_piomode	= nv133_set_piomode,
442 	.set_dmamode	= nv133_set_dmamode,
443 };
444 
445 static void amd_clear_fifo(struct pci_dev *pdev)
446 {
447 	u8 fifo;
448 	/* Disable the FIFO, the FIFO logic will re-enable it as
449 	   appropriate */
450 	pci_read_config_byte(pdev, 0x41, &fifo);
451 	fifo &= 0x0F;
452 	pci_write_config_byte(pdev, 0x41, fifo);
453 }
454 
455 static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
456 {
457 	static const struct ata_port_info info[10] = {
458 		{	/* 0: AMD 7401 - no swdma */
459 			.flags = ATA_FLAG_SLAVE_POSS,
460 			.pio_mask = ATA_PIO4,
461 			.mwdma_mask = ATA_MWDMA2,
462 			.udma_mask = ATA_UDMA2,
463 			.port_ops = &amd33_port_ops
464 		},
465 		{	/* 1: Early AMD7409 - no swdma */
466 			.flags = ATA_FLAG_SLAVE_POSS,
467 			.pio_mask = ATA_PIO4,
468 			.mwdma_mask = ATA_MWDMA2,
469 			.udma_mask = ATA_UDMA4,
470 			.port_ops = &amd66_port_ops
471 		},
472 		{	/* 2: AMD 7409 */
473 			.flags = ATA_FLAG_SLAVE_POSS,
474 			.pio_mask = ATA_PIO4,
475 			.mwdma_mask = ATA_MWDMA2,
476 			.udma_mask = ATA_UDMA4,
477 			.port_ops = &amd66_port_ops
478 		},
479 		{	/* 3: AMD 7411 */
480 			.flags = ATA_FLAG_SLAVE_POSS,
481 			.pio_mask = ATA_PIO4,
482 			.mwdma_mask = ATA_MWDMA2,
483 			.udma_mask = ATA_UDMA5,
484 			.port_ops = &amd100_port_ops
485 		},
486 		{	/* 4: AMD 7441 */
487 			.flags = ATA_FLAG_SLAVE_POSS,
488 			.pio_mask = ATA_PIO4,
489 			.mwdma_mask = ATA_MWDMA2,
490 			.udma_mask = ATA_UDMA5,
491 			.port_ops = &amd100_port_ops
492 		},
493 		{	/* 5: AMD 8111 - no swdma */
494 			.flags = ATA_FLAG_SLAVE_POSS,
495 			.pio_mask = ATA_PIO4,
496 			.mwdma_mask = ATA_MWDMA2,
497 			.udma_mask = ATA_UDMA6,
498 			.port_ops = &amd133_port_ops
499 		},
500 		{	/* 6: AMD 8111 UDMA 100 (Serenade) - no swdma */
501 			.flags = ATA_FLAG_SLAVE_POSS,
502 			.pio_mask = ATA_PIO4,
503 			.mwdma_mask = ATA_MWDMA2,
504 			.udma_mask = ATA_UDMA5,
505 			.port_ops = &amd133_port_ops
506 		},
507 		{	/* 7: Nvidia Nforce */
508 			.flags = ATA_FLAG_SLAVE_POSS,
509 			.pio_mask = ATA_PIO4,
510 			.mwdma_mask = ATA_MWDMA2,
511 			.udma_mask = ATA_UDMA5,
512 			.port_ops = &nv100_port_ops
513 		},
514 		{	/* 8: Nvidia Nforce2 and later - no swdma */
515 			.flags = ATA_FLAG_SLAVE_POSS,
516 			.pio_mask = ATA_PIO4,
517 			.mwdma_mask = ATA_MWDMA2,
518 			.udma_mask = ATA_UDMA6,
519 			.port_ops = &nv133_port_ops
520 		},
521 		{	/* 9: AMD CS5536 (Geode companion) */
522 			.flags = ATA_FLAG_SLAVE_POSS,
523 			.pio_mask = ATA_PIO4,
524 			.mwdma_mask = ATA_MWDMA2,
525 			.udma_mask = ATA_UDMA5,
526 			.port_ops = &amd100_port_ops
527 		}
528 	};
529 	const struct ata_port_info *ppi[] = { NULL, NULL };
530 	static int printed_version;
531 	int type = id->driver_data;
532 	void *hpriv = NULL;
533 	u8 fifo;
534 	int rc;
535 
536 	if (!printed_version++)
537 		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
538 
539 	rc = pcim_enable_device(pdev);
540 	if (rc)
541 		return rc;
542 
543 	pci_read_config_byte(pdev, 0x41, &fifo);
544 
545 	/* Check for AMD7409 without swdma errata and if found adjust type */
546 	if (type == 1 && pdev->revision > 0x7)
547 		type = 2;
548 
549 	/* Serenade ? */
550 	if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
551 			 pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
552 		type = 6;	/* UDMA 100 only */
553 
554 	/*
555 	 * Okay, type is determined now.  Apply type-specific workarounds.
556 	 */
557 	ppi[0] = &info[type];
558 
559 	if (type < 3)
560 		ata_pci_bmdma_clear_simplex(pdev);
561 	if (pdev->vendor == PCI_VENDOR_ID_AMD)
562 		amd_clear_fifo(pdev);
563 	/* Cable detection on Nvidia chips doesn't work too well,
564 	 * cache BIOS programmed UDMA mode.
565 	 */
566 	if (type == 7 || type == 8) {
567 		u32 udma;
568 
569 		pci_read_config_dword(pdev, 0x60, &udma);
570 		hpriv = (void *)(unsigned long)udma;
571 	}
572 
573 	/* And fire it up */
574 	return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv);
575 }
576 
577 #ifdef CONFIG_PM
578 static int amd_reinit_one(struct pci_dev *pdev)
579 {
580 	struct ata_host *host = dev_get_drvdata(&pdev->dev);
581 	int rc;
582 
583 	rc = ata_pci_device_do_resume(pdev);
584 	if (rc)
585 		return rc;
586 
587 	if (pdev->vendor == PCI_VENDOR_ID_AMD) {
588 		amd_clear_fifo(pdev);
589 		if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
590 		    pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
591 			ata_pci_bmdma_clear_simplex(pdev);
592 	}
593 	ata_host_resume(host);
594 	return 0;
595 }
596 #endif
597 
598 static const struct pci_device_id amd[] = {
599 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_COBRA_7401),		0 },
600 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_VIPER_7409),		1 },
601 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_VIPER_7411),		3 },
602 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_OPUS_7441),		4 },
603 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_8111_IDE),		5 },
604 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_IDE),	7 },
605 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE),	8 },
606 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE),	8 },
607 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE),	8 },
608 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE),	8 },
609 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE),	8 },
610 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE),	8 },
611 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE),	8 },
612 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE),	8 },
613 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE),	8 },
614 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE),	8 },
615 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE),	8 },
616 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE),	8 },
617 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE),	8 },
618 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE),		9 },
619 
620 	{ },
621 };
622 
623 static struct pci_driver amd_pci_driver = {
624 	.name 		= DRV_NAME,
625 	.id_table	= amd,
626 	.probe 		= amd_init_one,
627 	.remove		= ata_pci_remove_one,
628 #ifdef CONFIG_PM
629 	.suspend	= ata_pci_device_suspend,
630 	.resume		= amd_reinit_one,
631 #endif
632 };
633 
634 static int __init amd_init(void)
635 {
636 	return pci_register_driver(&amd_pci_driver);
637 }
638 
639 static void __exit amd_exit(void)
640 {
641 	pci_unregister_driver(&amd_pci_driver);
642 }
643 
644 MODULE_AUTHOR("Alan Cox");
645 MODULE_DESCRIPTION("low-level driver for AMD and Nvidia PATA IDE");
646 MODULE_LICENSE("GPL");
647 MODULE_DEVICE_TABLE(pci, amd);
648 MODULE_VERSION(DRV_VERSION);
649 
650 module_init(amd_init);
651 module_exit(amd_exit);
652