pata_amd.c revision a44fec1fce5d5d14cc3ac4545b8da346394de666
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 publicly 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
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 (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
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, &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(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
178static 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
209static 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
215static 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
221static 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
227static 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
242static 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
247static 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
252static 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
257static 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 */
268static 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	/* PIO4, MWDMA2, UDMA2 should always be supported regardless of
311	   cable detection result */
312	limit |= ata_pack_xfermask(ATA_PIO4, ATA_MWDMA2, ATA_UDMA2);
313
314	ata_port_printk(ap, KERN_DEBUG, "nv_mode_filter: 0x%lx&0x%lx->0x%lx, "
315			"BIOS=0x%lx (0x%x) ACPI=0x%lx%s\n",
316			xfer_mask, limit, xfer_mask & limit, bios_limit,
317			saved_udma, acpi_limit, acpi_str);
318
319	return xfer_mask & limit;
320}
321
322/**
323 *	nv_probe_init	-	cable detection
324 *	@lin: ATA link
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, &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, 0x50, adev->pio_mode, 3);
357}
358
359static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev)
360{
361	timing_setup(ap, adev, 0x50, adev->pio_mode, 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, 0x50, adev->dma_mode, 3);
376}
377
378static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
379{
380	timing_setup(ap, adev, 0x50, adev->dma_mode, 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), 0x60, udma);
389}
390
391static 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(pdev, 0x41, &fifo);
454	fifo &= 0x0F;
455	pci_write_config_byte(pdev, 0x41, 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	static int printed_version;
534	int type = id->driver_data;
535	void *hpriv = NULL;
536	u8 fifo;
537	int rc;
538
539	if (!printed_version++)
540		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
541
542	rc = pcim_enable_device(pdev);
543	if (rc)
544		return rc;
545
546	pci_read_config_byte(pdev, 0x41, &fifo);
547
548	/* Check for AMD7409 without swdma errata and if found adjust type */
549	if (type == 1 && pdev->revision > 0x7)
550		type = 2;
551
552	/* Serenade ? */
553	if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
554			 pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
555		type = 6;	/* UDMA 100 only */
556
557	/*
558	 * Okay, type is determined now.  Apply type-specific workarounds.
559	 */
560	ppi[0] = &info[type];
561
562	if (type < 3)
563		ata_pci_bmdma_clear_simplex(pdev);
564	if (pdev->vendor == PCI_VENDOR_ID_AMD)
565		amd_clear_fifo(pdev);
566	/* Cable detection on Nvidia chips doesn't work too well,
567	 * cache BIOS programmed UDMA mode.
568	 */
569	if (type == 7 || type == 8) {
570		u32 udma;
571
572		pci_read_config_dword(pdev, 0x60, &udma);
573		hpriv = (void *)(unsigned long)udma;
574	}
575
576	/* And fire it up */
577	return ata_pci_bmdma_init_one(pdev, ppi, &amd_sht, hpriv, 0);
578}
579
580#ifdef CONFIG_PM
581static int amd_reinit_one(struct pci_dev *pdev)
582{
583	struct ata_host *host = dev_get_drvdata(&pdev->dev);
584	int rc;
585
586	rc = ata_pci_device_do_resume(pdev);
587	if (rc)
588		return rc;
589
590	if (pdev->vendor == PCI_VENDOR_ID_AMD) {
591		amd_clear_fifo(pdev);
592		if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
593		    pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
594			ata_pci_bmdma_clear_simplex(pdev);
595	}
596	ata_host_resume(host);
597	return 0;
598}
599#endif
600
601static const struct pci_device_id amd[] = {
602	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_COBRA_7401),		0 },
603	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_VIPER_7409),		1 },
604	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_VIPER_7411),		3 },
605	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_OPUS_7441),		4 },
606	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_8111_IDE),		5 },
607	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_IDE),	7 },
608	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE),	8 },
609	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE),	8 },
610	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE),	8 },
611	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE),	8 },
612	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE),	8 },
613	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE),	8 },
614	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE),	8 },
615	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE),	8 },
616	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE),	8 },
617	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE),	8 },
618	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE),	8 },
619	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE),	8 },
620	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE),	8 },
621	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE),		9 },
622
623	{ },
624};
625
626static struct pci_driver amd_pci_driver = {
627	.name 		= DRV_NAME,
628	.id_table	= amd,
629	.probe 		= amd_init_one,
630	.remove		= ata_pci_remove_one,
631#ifdef CONFIG_PM
632	.suspend	= ata_pci_device_suspend,
633	.resume		= amd_reinit_one,
634#endif
635};
636
637static int __init amd_init(void)
638{
639	return pci_register_driver(&amd_pci_driver);
640}
641
642static void __exit amd_exit(void)
643{
644	pci_unregister_driver(&amd_pci_driver);
645}
646
647MODULE_AUTHOR("Alan Cox");
648MODULE_DESCRIPTION("low-level driver for AMD and Nvidia PATA IDE");
649MODULE_LICENSE("GPL");
650MODULE_DEVICE_TABLE(pci, amd);
651MODULE_VERSION(DRV_VERSION);
652
653module_init(amd_init);
654module_exit(amd_exit);
655