pata_amd.c revision 887125e3740283be25564bfc6fb5d24974b651ab
1/*
2 * pata_amd.c 	- AMD PATA for new ATA layer
3 *			  (C) 2005-2006 Red Hat Inc
4 *			  Alan Cox <alan@redhat.com>
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 publically available.
16 */
17
18#include <linux/kernel.h>
19#include <linux/module.h>
20#include <linux/pci.h>
21#include <linux/init.h>
22#include <linux/blkdev.h>
23#include <linux/delay.h>
24#include <scsi/scsi_host.h>
25#include <linux/libata.h>
26
27#define DRV_NAME "pata_amd"
28#define DRV_VERSION "0.3.10"
29
30/**
31 *	timing_setup		-	shared timing computation and load
32 *	@ap: ATA port being set up
33 *	@adev: drive being configured
34 *	@offset: port offset
35 *	@speed: target speed
36 *	@clock: clock multiplier (number of times 33MHz for this part)
37 *
38 *	Perform the actual timing set up for Nvidia or AMD PATA devices.
39 *	The actual devices vary so they all call into this helper function
40 *	providing the clock multipler and offset (because AMD and Nvidia put
41 *	the ports at different locations).
42 */
43
44static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offset, int speed, int clock)
45{
46	static const unsigned char amd_cyc2udma[] = {
47		6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7
48	};
49
50	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
51	struct ata_device *peer = ata_dev_pair(adev);
52	int dn = ap->port_no * 2 + adev->devno;
53	struct ata_timing at, apeer;
54	int T, UT;
55	const int amd_clock = 33333;	/* KHz. */
56	u8 t;
57
58	T = 1000000000 / amd_clock;
59	UT = T / min_t(int, max_t(int, clock, 1), 2);
60
61	if (ata_timing_compute(adev, speed, &at, T, UT) < 0) {
62		dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed);
63		return;
64	}
65
66	if (peer) {
67		/* This may be over conservative */
68		if (peer->dma_mode) {
69			ata_timing_compute(peer, peer->dma_mode, &apeer, T, UT);
70			ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
71		}
72		ata_timing_compute(peer, peer->pio_mode, &apeer, T, UT);
73		ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
74	}
75
76	if (speed == XFER_UDMA_5 && amd_clock <= 33333) at.udma = 1;
77	if (speed == XFER_UDMA_6 && amd_clock <= 33333) at.udma = 15;
78
79	/*
80	 *	Now do the setup work
81	 */
82
83	/* Configure the address set up timing */
84	pci_read_config_byte(pdev, offset + 0x0C, &t);
85	t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(at.setup, 1, 4) - 1) << ((3 - dn) << 1));
86	pci_write_config_byte(pdev, offset + 0x0C , t);
87
88	/* Configure the 8bit I/O timing */
89	pci_write_config_byte(pdev, offset + 0x0E + (1 - (dn >> 1)),
90		((FIT(at.act8b, 1, 16) - 1) << 4) | (FIT(at.rec8b, 1, 16) - 1));
91
92	/* Drive timing */
93	pci_write_config_byte(pdev, offset + 0x08 + (3 - dn),
94		((FIT(at.active, 1, 16) - 1) << 4) | (FIT(at.recover, 1, 16) - 1));
95
96	switch (clock) {
97		case 1:
98		t = at.udma ? (0xc0 | (FIT(at.udma, 2, 5) - 2)) : 0x03;
99		break;
100
101		case 2:
102		t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 2, 10)]) : 0x03;
103		break;
104
105		case 3:
106		t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 1, 10)]) : 0x03;
107		break;
108
109		case 4:
110		t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 1, 15)]) : 0x03;
111		break;
112
113		default:
114			return;
115	}
116
117	/* UDMA timing */
118	if (at.udma)
119		pci_write_config_byte(pdev, offset + 0x10 + (3 - dn), t);
120}
121
122/**
123 *	amd_pre_reset		-	perform reset handling
124 *	@link: ATA link
125 *	@deadline: deadline jiffies for the operation
126 *
127 *	Reset sequence checking enable bits to see which ports are
128 *	active.
129 */
130
131static int amd_pre_reset(struct ata_link *link, unsigned long deadline)
132{
133	static const struct pci_bits amd_enable_bits[] = {
134		{ 0x40, 1, 0x02, 0x02 },
135		{ 0x40, 1, 0x01, 0x01 }
136	};
137
138	struct ata_port *ap = link->ap;
139	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
140
141	if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
142		return -ENOENT;
143
144	return ata_std_prereset(link, deadline);
145}
146
147static int amd_cable_detect(struct ata_port *ap)
148{
149	static const u32 bitmask[2] = {0x03, 0x0C};
150	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
151	u8 ata66;
152
153	pci_read_config_byte(pdev, 0x42, &ata66);
154	if (ata66 & bitmask[ap->port_no])
155		return ATA_CBL_PATA80;
156	return ATA_CBL_PATA40;
157}
158
159/**
160 *	amd33_set_piomode	-	set initial PIO mode data
161 *	@ap: ATA interface
162 *	@adev: ATA device
163 *
164 *	Program the AMD registers for PIO mode.
165 */
166
167static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev)
168{
169	timing_setup(ap, adev, 0x40, adev->pio_mode, 1);
170}
171
172static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev)
173{
174	timing_setup(ap, adev, 0x40, adev->pio_mode, 2);
175}
176
177static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev)
178{
179	timing_setup(ap, adev, 0x40, adev->pio_mode, 3);
180}
181
182static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev)
183{
184	timing_setup(ap, adev, 0x40, adev->pio_mode, 4);
185}
186
187/**
188 *	amd33_set_dmamode	-	set initial DMA mode data
189 *	@ap: ATA interface
190 *	@adev: ATA device
191 *
192 *	Program the MWDMA/UDMA modes for the AMD and Nvidia
193 *	chipset.
194 */
195
196static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev)
197{
198	timing_setup(ap, adev, 0x40, adev->dma_mode, 1);
199}
200
201static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev)
202{
203	timing_setup(ap, adev, 0x40, adev->dma_mode, 2);
204}
205
206static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
207{
208	timing_setup(ap, adev, 0x40, adev->dma_mode, 3);
209}
210
211static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
212{
213	timing_setup(ap, adev, 0x40, adev->dma_mode, 4);
214}
215
216/* Both host-side and drive-side detection results are worthless on NV
217 * PATAs.  Ignore them and just follow what BIOS configured.  Both the
218 * current configuration in PCI config reg and ACPI GTM result are
219 * cached during driver attach and are consulted to select transfer
220 * mode.
221 */
222static unsigned long nv_mode_filter(struct ata_device *dev,
223				    unsigned long xfer_mask)
224{
225	static const unsigned int udma_mask_map[] =
226		{ ATA_UDMA2, ATA_UDMA1, ATA_UDMA0, 0,
227		  ATA_UDMA3, ATA_UDMA4, ATA_UDMA5, ATA_UDMA6 };
228	struct ata_port *ap = dev->link->ap;
229	char acpi_str[32] = "";
230	u32 saved_udma, udma;
231	const struct ata_acpi_gtm *gtm;
232	unsigned long bios_limit = 0, acpi_limit = 0, limit;
233
234	/* find out what BIOS configured */
235	udma = saved_udma = (unsigned long)ap->host->private_data;
236
237	if (ap->port_no == 0)
238		udma >>= 16;
239	if (dev->devno == 0)
240		udma >>= 8;
241
242	if ((udma & 0xc0) == 0xc0)
243		bios_limit = ata_pack_xfermask(0, 0, udma_mask_map[udma & 0x7]);
244
245	/* consult ACPI GTM too */
246	gtm = ata_acpi_init_gtm(ap);
247	if (gtm) {
248		acpi_limit = ata_acpi_gtm_xfermask(dev, gtm);
249
250		snprintf(acpi_str, sizeof(acpi_str), " (%u:%u:0x%x)",
251			 gtm->drive[0].dma, gtm->drive[1].dma, gtm->flags);
252	}
253
254	/* be optimistic, EH can take care of things if something goes wrong */
255	limit = bios_limit | acpi_limit;
256
257	/* If PIO or DMA isn't configured at all, don't limit.  Let EH
258	 * handle it.
259	 */
260	if (!(limit & ATA_MASK_PIO))
261		limit |= ATA_MASK_PIO;
262	if (!(limit & (ATA_MASK_MWDMA | ATA_MASK_UDMA)))
263		limit |= ATA_MASK_MWDMA | ATA_MASK_UDMA;
264
265	ata_port_printk(ap, KERN_DEBUG, "nv_mode_filter: 0x%lx&0x%lx->0x%lx, "
266			"BIOS=0x%lx (0x%x) ACPI=0x%lx%s\n",
267			xfer_mask, limit, xfer_mask & limit, bios_limit,
268			saved_udma, acpi_limit, acpi_str);
269
270	return xfer_mask & limit;
271}
272
273/**
274 *	nv_probe_init	-	cable detection
275 *	@lin: ATA link
276 *
277 *	Perform cable detection. The BIOS stores this in PCI config
278 *	space for us.
279 */
280
281static int nv_pre_reset(struct ata_link *link, unsigned long deadline)
282{
283	static const struct pci_bits nv_enable_bits[] = {
284		{ 0x50, 1, 0x02, 0x02 },
285		{ 0x50, 1, 0x01, 0x01 }
286	};
287
288	struct ata_port *ap = link->ap;
289	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
290
291	if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
292		return -ENOENT;
293
294	return ata_std_prereset(link, deadline);
295}
296
297/**
298 *	nv100_set_piomode	-	set initial PIO mode data
299 *	@ap: ATA interface
300 *	@adev: ATA device
301 *
302 *	Program the AMD registers for PIO mode.
303 */
304
305static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev)
306{
307	timing_setup(ap, adev, 0x50, adev->pio_mode, 3);
308}
309
310static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev)
311{
312	timing_setup(ap, adev, 0x50, adev->pio_mode, 4);
313}
314
315/**
316 *	nv100_set_dmamode	-	set initial DMA mode data
317 *	@ap: ATA interface
318 *	@adev: ATA device
319 *
320 *	Program the MWDMA/UDMA modes for the AMD and Nvidia
321 *	chipset.
322 */
323
324static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
325{
326	timing_setup(ap, adev, 0x50, adev->dma_mode, 3);
327}
328
329static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
330{
331	timing_setup(ap, adev, 0x50, adev->dma_mode, 4);
332}
333
334static void nv_host_stop(struct ata_host *host)
335{
336	u32 udma = (unsigned long)host->private_data;
337
338	/* restore PCI config register 0x60 */
339	pci_write_config_dword(to_pci_dev(host->dev), 0x60, udma);
340}
341
342static struct scsi_host_template amd_sht = {
343	ATA_BMDMA_SHT(DRV_NAME),
344};
345
346static const struct ata_port_operations amd_base_port_ops = {
347	.inherits	= &ata_bmdma_port_ops,
348	.prereset	= amd_pre_reset,
349};
350
351static struct ata_port_operations amd33_port_ops = {
352	.inherits	= &amd_base_port_ops,
353	.cable_detect	= ata_cable_40wire,
354	.set_piomode	= amd33_set_piomode,
355	.set_dmamode	= amd33_set_dmamode,
356};
357
358static struct ata_port_operations amd66_port_ops = {
359	.inherits	= &amd_base_port_ops,
360	.cable_detect	= ata_cable_unknown,
361	.set_piomode	= amd66_set_piomode,
362	.set_dmamode	= amd66_set_dmamode,
363};
364
365static struct ata_port_operations amd100_port_ops = {
366	.inherits	= &amd_base_port_ops,
367	.cable_detect	= ata_cable_unknown,
368	.set_piomode	= amd100_set_piomode,
369	.set_dmamode	= amd100_set_dmamode,
370};
371
372static struct ata_port_operations amd133_port_ops = {
373	.inherits	= &amd_base_port_ops,
374	.cable_detect	= amd_cable_detect,
375	.set_piomode	= amd133_set_piomode,
376	.set_dmamode	= amd133_set_dmamode,
377};
378
379static const struct ata_port_operations nv_base_port_ops = {
380	.inherits	= &ata_bmdma_port_ops,
381	.cable_detect	= ata_cable_ignore,
382	.mode_filter	= nv_mode_filter,
383	.prereset	= nv_pre_reset,
384	.host_stop	= nv_host_stop,
385};
386
387static struct ata_port_operations nv100_port_ops = {
388	.inherits	= &nv_base_port_ops,
389	.set_piomode	= nv100_set_piomode,
390	.set_dmamode	= nv100_set_dmamode,
391};
392
393static struct ata_port_operations nv133_port_ops = {
394	.inherits	= &nv_base_port_ops,
395	.set_piomode	= nv133_set_piomode,
396	.set_dmamode	= nv133_set_dmamode,
397};
398
399static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
400{
401	static const struct ata_port_info info[10] = {
402		{	/* 0: AMD 7401 */
403			.flags = ATA_FLAG_SLAVE_POSS,
404			.pio_mask = 0x1f,
405			.mwdma_mask = 0x07,	/* No SWDMA */
406			.udma_mask = 0x07,	/* UDMA 33 */
407			.port_ops = &amd33_port_ops
408		},
409		{	/* 1: Early AMD7409 - no swdma */
410			.flags = ATA_FLAG_SLAVE_POSS,
411			.pio_mask = 0x1f,
412			.mwdma_mask = 0x07,
413			.udma_mask = ATA_UDMA4,	/* UDMA 66 */
414			.port_ops = &amd66_port_ops
415		},
416		{	/* 2: AMD 7409, no swdma errata */
417			.flags = ATA_FLAG_SLAVE_POSS,
418			.pio_mask = 0x1f,
419			.mwdma_mask = 0x07,
420			.udma_mask = ATA_UDMA4,	/* UDMA 66 */
421			.port_ops = &amd66_port_ops
422		},
423		{	/* 3: AMD 7411 */
424			.flags = ATA_FLAG_SLAVE_POSS,
425			.pio_mask = 0x1f,
426			.mwdma_mask = 0x07,
427			.udma_mask = ATA_UDMA5,	/* UDMA 100 */
428			.port_ops = &amd100_port_ops
429		},
430		{	/* 4: AMD 7441 */
431			.flags = ATA_FLAG_SLAVE_POSS,
432			.pio_mask = 0x1f,
433			.mwdma_mask = 0x07,
434			.udma_mask = ATA_UDMA5,	/* UDMA 100 */
435			.port_ops = &amd100_port_ops
436		},
437		{	/* 5: AMD 8111*/
438			.flags = ATA_FLAG_SLAVE_POSS,
439			.pio_mask = 0x1f,
440			.mwdma_mask = 0x07,
441			.udma_mask = ATA_UDMA6,	/* UDMA 133, no swdma */
442			.port_ops = &amd133_port_ops
443		},
444		{	/* 6: AMD 8111 UDMA 100 (Serenade) */
445			.flags = ATA_FLAG_SLAVE_POSS,
446			.pio_mask = 0x1f,
447			.mwdma_mask = 0x07,
448			.udma_mask = ATA_UDMA5,	/* UDMA 100, no swdma */
449			.port_ops = &amd133_port_ops
450		},
451		{	/* 7: Nvidia Nforce */
452			.flags = ATA_FLAG_SLAVE_POSS,
453			.pio_mask = 0x1f,
454			.mwdma_mask = 0x07,
455			.udma_mask = ATA_UDMA5,	/* UDMA 100 */
456			.port_ops = &nv100_port_ops
457		},
458		{	/* 8: Nvidia Nforce2 and later */
459			.flags = ATA_FLAG_SLAVE_POSS,
460			.pio_mask = 0x1f,
461			.mwdma_mask = 0x07,
462			.udma_mask = ATA_UDMA6,	/* UDMA 133, no swdma */
463			.port_ops = &nv133_port_ops
464		},
465		{	/* 9: AMD CS5536 (Geode companion) */
466			.flags = ATA_FLAG_SLAVE_POSS,
467			.pio_mask = 0x1f,
468			.mwdma_mask = 0x07,
469			.udma_mask = ATA_UDMA5,	/* UDMA 100 */
470			.port_ops = &amd100_port_ops
471		}
472	};
473	const struct ata_port_info *ppi[] = { NULL, NULL };
474	static int printed_version;
475	int type = id->driver_data;
476	void *hpriv = NULL;
477	u8 fifo;
478	int rc;
479
480	if (!printed_version++)
481		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
482
483	rc = pcim_enable_device(pdev);
484	if (rc)
485		return rc;
486
487	pci_read_config_byte(pdev, 0x41, &fifo);
488
489	/* Check for AMD7409 without swdma errata and if found adjust type */
490	if (type == 1 && pdev->revision > 0x7)
491		type = 2;
492
493	/* Serenade ? */
494	if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
495			 pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
496		type = 6;	/* UDMA 100 only */
497
498	/*
499	 * Okay, type is determined now.  Apply type-specific workarounds.
500	 */
501	ppi[0] = &info[type];
502
503	if (type < 3)
504		ata_pci_clear_simplex(pdev);
505
506	/* Check for AMD7411 */
507	if (type == 3)
508		/* FIFO is broken */
509		pci_write_config_byte(pdev, 0x41, fifo & 0x0F);
510	else
511		pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
512
513	/* Cable detection on Nvidia chips doesn't work too well,
514	 * cache BIOS programmed UDMA mode.
515	 */
516	if (type == 7 || type == 8) {
517		u32 udma;
518
519		pci_read_config_dword(pdev, 0x60, &udma);
520		hpriv = (void *)(unsigned long)udma;
521	}
522
523	/* And fire it up */
524	return ata_pci_init_one(pdev, ppi, &amd_sht, hpriv);
525}
526
527#ifdef CONFIG_PM
528static int amd_reinit_one(struct pci_dev *pdev)
529{
530	struct ata_host *host = dev_get_drvdata(&pdev->dev);
531	int rc;
532
533	rc = ata_pci_device_do_resume(pdev);
534	if (rc)
535		return rc;
536
537	if (pdev->vendor == PCI_VENDOR_ID_AMD) {
538		u8 fifo;
539		pci_read_config_byte(pdev, 0x41, &fifo);
540		if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411)
541			/* FIFO is broken */
542			pci_write_config_byte(pdev, 0x41, fifo & 0x0F);
543		else
544			pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
545		if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
546		    pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
547		    	ata_pci_clear_simplex(pdev);
548	}
549
550	ata_host_resume(host);
551	return 0;
552}
553#endif
554
555static const struct pci_device_id amd[] = {
556	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_COBRA_7401),		0 },
557	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_VIPER_7409),		1 },
558	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_VIPER_7411),		3 },
559	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_OPUS_7441),		4 },
560	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_8111_IDE),		5 },
561	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_IDE),	7 },
562	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE),	8 },
563	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE),	8 },
564	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE),	8 },
565	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE),	8 },
566	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE),	8 },
567	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE),	8 },
568	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE),	8 },
569	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE),	8 },
570	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE),	8 },
571	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE),	8 },
572	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE),	8 },
573	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE),	8 },
574	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE),	8 },
575	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE),		9 },
576
577	{ },
578};
579
580static struct pci_driver amd_pci_driver = {
581	.name 		= DRV_NAME,
582	.id_table	= amd,
583	.probe 		= amd_init_one,
584	.remove		= ata_pci_remove_one,
585#ifdef CONFIG_PM
586	.suspend	= ata_pci_device_suspend,
587	.resume		= amd_reinit_one,
588#endif
589};
590
591static int __init amd_init(void)
592{
593	return pci_register_driver(&amd_pci_driver);
594}
595
596static void __exit amd_exit(void)
597{
598	pci_unregister_driver(&amd_pci_driver);
599}
600
601MODULE_AUTHOR("Alan Cox");
602MODULE_DESCRIPTION("low-level driver for AMD and Nvidia PATA IDE");
603MODULE_LICENSE("GPL");
604MODULE_DEVICE_TABLE(pci, amd);
605MODULE_VERSION(DRV_VERSION);
606
607module_init(amd_init);
608module_exit(amd_exit);
609