xref: /linux/drivers/ata/pata_serverworks.c (revision eb2bce7f5e7ac1ca6da434461217fadf3c688d2c)
1 /*
2  * pata_serverworks.c 	- Serverworks PATA for new ATA layer
3  *			  (C) 2005 Red Hat Inc
4  *			  Alan Cox <alan@redhat.com>
5  *
6  * based upon
7  *
8  * serverworks.c
9  *
10  * Copyright (C) 1998-2000 Michel Aubry
11  * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
12  * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
13  * Portions copyright (c) 2001 Sun Microsystems
14  *
15  *
16  * RCC/ServerWorks IDE driver for Linux
17  *
18  *   OSB4: `Open South Bridge' IDE Interface (fn 1)
19  *         supports UDMA mode 2 (33 MB/s)
20  *
21  *   CSB5: `Champion South Bridge' IDE Interface (fn 1)
22  *         all revisions support UDMA mode 4 (66 MB/s)
23  *         revision A2.0 and up support UDMA mode 5 (100 MB/s)
24  *
25  *         *** The CSB5 does not provide ANY register ***
26  *         *** to detect 80-conductor cable presence. ***
27  *
28  *   CSB6: `Champion South Bridge' IDE Interface (optional: third channel)
29  *
30  * Documentation:
31  *	Available under NDA only. Errata info very hard to get.
32  */
33 
34 #include <linux/kernel.h>
35 #include <linux/module.h>
36 #include <linux/pci.h>
37 #include <linux/init.h>
38 #include <linux/blkdev.h>
39 #include <linux/delay.h>
40 #include <scsi/scsi_host.h>
41 #include <linux/libata.h>
42 
43 #define DRV_NAME "pata_serverworks"
44 #define DRV_VERSION "0.4.0"
45 
46 #define SVWKS_CSB5_REVISION_NEW	0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */
47 #define SVWKS_CSB6_REVISION	0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */
48 
49 /* Seagate Barracuda ATA IV Family drives in UDMA mode 5
50  * can overrun their FIFOs when used with the CSB5 */
51 
52 static const char *csb_bad_ata100[] = {
53 	"ST320011A",
54 	"ST340016A",
55 	"ST360021A",
56 	"ST380021A",
57 	NULL
58 };
59 
60 /**
61  *	dell_cable	-	Dell serverworks cable detection
62  *	@ap: ATA port to do cable detect
63  *
64  *	Dell hide the 40/80 pin select for their interfaces in the top two
65  *	bits of the subsystem ID.
66  */
67 
68 static int dell_cable(struct ata_port *ap) {
69 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
70 
71 	if (pdev->subsystem_device & (1 << (ap->port_no + 14)))
72 		return ATA_CBL_PATA80;
73 	return ATA_CBL_PATA40;
74 }
75 
76 /**
77  *	sun_cable	-	Sun Cobalt 'Alpine' cable detection
78  *	@ap: ATA port to do cable select
79  *
80  *	Cobalt CSB5 IDE hides the 40/80pin in the top two bits of the
81  *	subsystem ID the same as dell. We could use one function but we may
82  *	need to extend the Dell one in future
83  */
84 
85 static int sun_cable(struct ata_port *ap) {
86 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
87 
88 	if (pdev->subsystem_device & (1 << (ap->port_no + 14)))
89 		return ATA_CBL_PATA80;
90 	return ATA_CBL_PATA40;
91 }
92 
93 /**
94  *	osb4_cable	-	OSB4 cable detect
95  *	@ap: ATA port to check
96  *
97  *	The OSB4 isn't UDMA66 capable so this is easy
98  */
99 
100 static int osb4_cable(struct ata_port *ap) {
101 	return ATA_CBL_PATA40;
102 }
103 
104 /**
105  *	csb4_cable	-	CSB5/6 cable detect
106  *	@ap: ATA port to check
107  *
108  *	Serverworks default arrangement is to use the drive side detection
109  *	only.
110  */
111 
112 static int csb_cable(struct ata_port *ap) {
113 	return ATA_CBL_PATA80;
114 }
115 
116 struct sv_cable_table {
117 	int device;
118 	int subvendor;
119 	int (*cable_detect)(struct ata_port *ap);
120 };
121 
122 /*
123  *	Note that we don't copy the old serverworks code because the old
124  *	code contains obvious mistakes
125  */
126 
127 static struct sv_cable_table cable_detect[] = {
128 	{ PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_DELL, dell_cable },
129 	{ PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_VENDOR_ID_DELL, dell_cable },
130 	{ PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_SUN,  sun_cable },
131 	{ PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, osb4_cable },
132 	{ PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, csb_cable },
133 	{ PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, csb_cable },
134 	{ PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, csb_cable },
135 	{ PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, csb_cable },
136 	{ }
137 };
138 
139 /**
140  *	serverworks_cable_detect	-	cable detection
141  *	@ap: ATA port
142  *
143  *	Perform cable detection according to the device and subvendor
144  *	identifications
145  */
146 
147 static int serverworks_cable_detect(struct ata_port *ap) {
148 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
149 	struct sv_cable_table *cb = cable_detect;
150 
151 	while(cb->device) {
152 		if (cb->device == pdev->device &&
153 		    (cb->subvendor == pdev->subsystem_vendor ||
154 		      cb->subvendor == PCI_ANY_ID)) {
155 			return cb->cable_detect(ap);
156 		}
157 		cb++;
158 	}
159 
160 	BUG();
161 	return -1;	/* kill compiler warning */
162 }
163 
164 /**
165  *	serverworks_is_csb	-	Check for CSB or OSB
166  *	@pdev: PCI device to check
167  *
168  *	Returns true if the device being checked is known to be a CSB
169  *	series device.
170  */
171 
172 static u8 serverworks_is_csb(struct pci_dev *pdev)
173 {
174 	switch (pdev->device) {
175 		case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE:
176 		case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE:
177 		case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2:
178 		case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE:
179 			return 1;
180 		default:
181 			break;
182 	}
183 	return 0;
184 }
185 
186 /**
187  *	serverworks_osb4_filter	-	mode selection filter
188  *	@adev: ATA device
189  *	@mask: Mask of proposed modes
190  *
191  *	Filter the offered modes for the device to apply controller
192  *	specific rules. OSB4 requires no UDMA for disks due to a FIFO
193  *	bug we hit.
194  */
195 
196 static unsigned long serverworks_osb4_filter(struct ata_device *adev, unsigned long mask)
197 {
198 	if (adev->class == ATA_DEV_ATA)
199 		mask &= ~ATA_MASK_UDMA;
200 	return ata_pci_default_filter(adev, mask);
201 }
202 
203 
204 /**
205  *	serverworks_csb_filter	-	mode selection filter
206  *	@adev: ATA device
207  *	@mask: Mask of proposed modes
208  *
209  *	Check the blacklist and disable UDMA5 if matched
210  */
211 
212 static unsigned long serverworks_csb_filter(struct ata_device *adev, unsigned long mask)
213 {
214 	const char *p;
215 	char model_num[ATA_ID_PROD_LEN + 1];
216 	int i;
217 
218 	/* Disk, UDMA */
219 	if (adev->class != ATA_DEV_ATA)
220 		return ata_pci_default_filter(adev, mask);
221 
222 	/* Actually do need to check */
223 	ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));
224 
225 	for (i = 0; (p = csb_bad_ata100[i]) != NULL; i++) {
226 		if (!strcmp(p, model_num))
227 			mask &= ~(0x1F << ATA_SHIFT_UDMA);
228 	}
229 	return ata_pci_default_filter(adev, mask);
230 }
231 
232 
233 /**
234  *	serverworks_set_piomode	-	set initial PIO mode data
235  *	@ap: ATA interface
236  *	@adev: ATA device
237  *
238  *	Program the OSB4/CSB5 timing registers for PIO. The PIO register
239  *	load is done as a simple lookup.
240  */
241 static void serverworks_set_piomode(struct ata_port *ap, struct ata_device *adev)
242 {
243 	static const u8 pio_mode[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
244 	int offset = 1 + (2 * ap->port_no) - adev->devno;
245 	int devbits = (2 * ap->port_no + adev->devno) * 4;
246 	u16 csb5_pio;
247 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
248 	int pio = adev->pio_mode - XFER_PIO_0;
249 
250 	pci_write_config_byte(pdev, 0x40 + offset, pio_mode[pio]);
251 
252 	/* The OSB4 just requires the timing but the CSB series want the
253 	   mode number as well */
254 	if (serverworks_is_csb(pdev)) {
255 		pci_read_config_word(pdev, 0x4A, &csb5_pio);
256 		csb5_pio &= ~(0x0F << devbits);
257 		pci_write_config_byte(pdev, 0x4A, csb5_pio | (pio << devbits));
258 	}
259 }
260 
261 /**
262  *	serverworks_set_dmamode	-	set initial DMA mode data
263  *	@ap: ATA interface
264  *	@adev: ATA device
265  *
266  *	Program the MWDMA/UDMA modes for the serverworks OSB4/CSB5
267  *	chipset. The MWDMA mode values are pulled from a lookup table
268  *	while the chipset uses mode number for UDMA.
269  */
270 
271 static void serverworks_set_dmamode(struct ata_port *ap, struct ata_device *adev)
272 {
273 	static const u8 dma_mode[] = { 0x77, 0x21, 0x20 };
274 	int offset = 1 + 2 * ap->port_no - adev->devno;
275 	int devbits = (2 * ap->port_no + adev->devno);
276 	u8 ultra;
277 	u8 ultra_cfg;
278 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
279 
280 	pci_read_config_byte(pdev, 0x54, &ultra_cfg);
281 
282 	if (adev->dma_mode >= XFER_UDMA_0) {
283 		pci_write_config_byte(pdev, 0x44 + offset,  0x20);
284 
285 		pci_read_config_byte(pdev, 0x56 + ap->port_no, &ultra);
286 		ultra &= ~(0x0F << (ap->port_no * 4));
287 		ultra |= (adev->dma_mode - XFER_UDMA_0)
288 					<< (ap->port_no * 4);
289 		pci_write_config_byte(pdev, 0x56 + ap->port_no, ultra);
290 
291 		ultra_cfg |=  (1 << devbits);
292 	} else {
293 		pci_write_config_byte(pdev, 0x44 + offset,
294 			dma_mode[adev->dma_mode - XFER_MW_DMA_0]);
295 		ultra_cfg &= ~(1 << devbits);
296 	}
297 	pci_write_config_byte(pdev, 0x54, ultra_cfg);
298 }
299 
300 static struct scsi_host_template serverworks_sht = {
301 	.module			= THIS_MODULE,
302 	.name			= DRV_NAME,
303 	.ioctl			= ata_scsi_ioctl,
304 	.queuecommand		= ata_scsi_queuecmd,
305 	.can_queue		= ATA_DEF_QUEUE,
306 	.this_id		= ATA_SHT_THIS_ID,
307 	.sg_tablesize		= LIBATA_MAX_PRD,
308 	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
309 	.emulated		= ATA_SHT_EMULATED,
310 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
311 	.proc_name		= DRV_NAME,
312 	.dma_boundary		= ATA_DMA_BOUNDARY,
313 	.slave_configure	= ata_scsi_slave_config,
314 	.slave_destroy		= ata_scsi_slave_destroy,
315 	.bios_param		= ata_std_bios_param,
316 #ifdef CONFIG_PM
317 	.resume			= ata_scsi_device_resume,
318 	.suspend		= ata_scsi_device_suspend,
319 #endif
320 };
321 
322 static struct ata_port_operations serverworks_osb4_port_ops = {
323 	.port_disable	= ata_port_disable,
324 	.set_piomode	= serverworks_set_piomode,
325 	.set_dmamode	= serverworks_set_dmamode,
326 	.mode_filter	= serverworks_osb4_filter,
327 
328 	.tf_load	= ata_tf_load,
329 	.tf_read	= ata_tf_read,
330 	.check_status 	= ata_check_status,
331 	.exec_command	= ata_exec_command,
332 	.dev_select 	= ata_std_dev_select,
333 
334 	.freeze		= ata_bmdma_freeze,
335 	.thaw		= ata_bmdma_thaw,
336 	.error_handler	= ata_bmdma_error_handler,
337 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
338 	.cable_detect	= serverworks_cable_detect,
339 
340 	.bmdma_setup 	= ata_bmdma_setup,
341 	.bmdma_start 	= ata_bmdma_start,
342 	.bmdma_stop	= ata_bmdma_stop,
343 	.bmdma_status 	= ata_bmdma_status,
344 
345 	.qc_prep 	= ata_qc_prep,
346 	.qc_issue	= ata_qc_issue_prot,
347 
348 	.data_xfer	= ata_data_xfer,
349 
350 	.irq_handler	= ata_interrupt,
351 	.irq_clear	= ata_bmdma_irq_clear,
352 	.irq_on		= ata_irq_on,
353 	.irq_ack	= ata_irq_ack,
354 
355 	.port_start	= ata_port_start,
356 };
357 
358 static struct ata_port_operations serverworks_csb_port_ops = {
359 	.port_disable	= ata_port_disable,
360 	.set_piomode	= serverworks_set_piomode,
361 	.set_dmamode	= serverworks_set_dmamode,
362 	.mode_filter	= serverworks_csb_filter,
363 
364 	.tf_load	= ata_tf_load,
365 	.tf_read	= ata_tf_read,
366 	.check_status 	= ata_check_status,
367 	.exec_command	= ata_exec_command,
368 	.dev_select 	= ata_std_dev_select,
369 
370 	.freeze		= ata_bmdma_freeze,
371 	.thaw		= ata_bmdma_thaw,
372 	.error_handler	= ata_bmdma_error_handler,
373 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
374 	.cable_detect	= serverworks_cable_detect,
375 
376 	.bmdma_setup 	= ata_bmdma_setup,
377 	.bmdma_start 	= ata_bmdma_start,
378 	.bmdma_stop	= ata_bmdma_stop,
379 	.bmdma_status 	= ata_bmdma_status,
380 
381 	.qc_prep 	= ata_qc_prep,
382 	.qc_issue	= ata_qc_issue_prot,
383 
384 	.data_xfer	= ata_data_xfer,
385 
386 	.irq_handler	= ata_interrupt,
387 	.irq_clear	= ata_bmdma_irq_clear,
388 	.irq_on		= ata_irq_on,
389 	.irq_ack	= ata_irq_ack,
390 
391 	.port_start	= ata_port_start,
392 };
393 
394 static int serverworks_fixup_osb4(struct pci_dev *pdev)
395 {
396 	u32 reg;
397 	struct pci_dev *isa_dev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
398 		  PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL);
399 	if (isa_dev) {
400 		pci_read_config_dword(isa_dev, 0x64, &reg);
401 		reg &= ~0x00002000; /* disable 600ns interrupt mask */
402 		if (!(reg & 0x00004000))
403 			printk(KERN_DEBUG DRV_NAME ": UDMA not BIOS enabled.\n");
404 		reg |=  0x00004000; /* enable UDMA/33 support */
405 		pci_write_config_dword(isa_dev, 0x64, reg);
406 		pci_dev_put(isa_dev);
407 		return 0;
408 	}
409 	printk(KERN_WARNING "ata_serverworks: Unable to find bridge.\n");
410 	return -ENODEV;
411 }
412 
413 static int serverworks_fixup_csb(struct pci_dev *pdev)
414 {
415 	u8 rev;
416 	u8 btr;
417 
418 	pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
419 
420 	/* Third Channel Test */
421 	if (!(PCI_FUNC(pdev->devfn) & 1)) {
422 		struct pci_dev * findev = NULL;
423 		u32 reg4c = 0;
424 		findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
425 			PCI_DEVICE_ID_SERVERWORKS_CSB5, NULL);
426 		if (findev) {
427 			pci_read_config_dword(findev, 0x4C, &reg4c);
428 			reg4c &= ~0x000007FF;
429 			reg4c |=  0x00000040;
430 			reg4c |=  0x00000020;
431 			pci_write_config_dword(findev, 0x4C, reg4c);
432 			pci_dev_put(findev);
433 		}
434 	} else {
435 		struct pci_dev * findev = NULL;
436 		u8 reg41 = 0;
437 
438 		findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
439 				PCI_DEVICE_ID_SERVERWORKS_CSB6, NULL);
440 		if (findev) {
441 			pci_read_config_byte(findev, 0x41, &reg41);
442 			reg41 &= ~0x40;
443 			pci_write_config_byte(findev, 0x41, reg41);
444 			pci_dev_put(findev);
445 		}
446 	}
447 	/* setup the UDMA Control register
448 	 *
449 	 * 1. clear bit 6 to enable DMA
450 	 * 2. enable DMA modes with bits 0-1
451 	 * 	00 : legacy
452 	 * 	01 : udma2
453 	 * 	10 : udma2/udma4
454 	 * 	11 : udma2/udma4/udma5
455 	 */
456 	pci_read_config_byte(pdev, 0x5A, &btr);
457 	btr &= ~0x40;
458 	if (!(PCI_FUNC(pdev->devfn) & 1))
459 		btr |= 0x2;
460 	else
461 		btr |= (rev >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2;
462 	pci_write_config_byte(pdev, 0x5A, btr);
463 
464 	return btr;
465 }
466 
467 static void serverworks_fixup_ht1000(struct pci_dev *pdev)
468 {
469 	u8 btr;
470 	/* Setup HT1000 SouthBridge Controller - Single Channel Only */
471 	pci_read_config_byte(pdev, 0x5A, &btr);
472 	btr &= ~0x40;
473 	btr |= 0x3;
474 	pci_write_config_byte(pdev, 0x5A, btr);
475 }
476 
477 
478 static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
479 {
480 	int ports = 2;
481 	static struct ata_port_info info[4] = {
482 		{ /* OSB4 */
483 			.sht = &serverworks_sht,
484 			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
485 			.pio_mask = 0x1f,
486 			.mwdma_mask = 0x07,
487 			.udma_mask = 0x07,
488 			.port_ops = &serverworks_osb4_port_ops
489 		}, { /* OSB4 no UDMA */
490 			.sht = &serverworks_sht,
491 			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
492 			.pio_mask = 0x1f,
493 			.mwdma_mask = 0x07,
494 			.udma_mask = 0x00,
495 			.port_ops = &serverworks_osb4_port_ops
496 		}, { /* CSB5 */
497 			.sht = &serverworks_sht,
498 			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
499 			.pio_mask = 0x1f,
500 			.mwdma_mask = 0x07,
501 			.udma_mask = 0x1f,
502 			.port_ops = &serverworks_csb_port_ops
503 		}, { /* CSB5 - later revisions*/
504 			.sht = &serverworks_sht,
505 			.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
506 			.pio_mask = 0x1f,
507 			.mwdma_mask = 0x07,
508 			.udma_mask = 0x3f,
509 			.port_ops = &serverworks_csb_port_ops
510 		}
511 	};
512 	static struct ata_port_info *port_info[2];
513 	struct ata_port_info *devinfo = &info[id->driver_data];
514 
515 	/* Force master latency timer to 64 PCI clocks */
516 	pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40);
517 
518 	/* OSB4 : South Bridge and IDE */
519 	if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
520 		/* Select non UDMA capable OSB4 if we can't do fixups */
521 		if ( serverworks_fixup_osb4(pdev) < 0)
522 			devinfo = &info[1];
523 	}
524 	/* setup CSB5/CSB6 : South Bridge and IDE option RAID */
525 	else if ((pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ||
526 		 (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
527 		 (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) {
528 
529 		 /* If the returned btr is the newer revision then
530 		    select the right info block */
531 		 if (serverworks_fixup_csb(pdev) == 3)
532 		 	devinfo = &info[3];
533 
534 		/* Is this the 3rd channel CSB6 IDE ? */
535 		if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)
536 			ports = 1;
537 	}
538 	/* setup HT1000E */
539 	else if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE)
540 		serverworks_fixup_ht1000(pdev);
541 
542 	if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE)
543 		ata_pci_clear_simplex(pdev);
544 
545 	port_info[0] = port_info[1] = devinfo;
546 	return ata_pci_init_one(pdev, port_info, ports);
547 }
548 
549 #ifdef CONFIG_PM
550 static int serverworks_reinit_one(struct pci_dev *pdev)
551 {
552 	/* Force master latency timer to 64 PCI clocks */
553 	pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40);
554 
555 	switch (pdev->device)
556 	{
557 		case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE:
558 			serverworks_fixup_osb4(pdev);
559 			break;
560 		case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE:
561 			ata_pci_clear_simplex(pdev);
562 			/* fall through */
563 		case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE:
564 		case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2:
565 			serverworks_fixup_csb(pdev);
566 			break;
567 		case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE:
568 			serverworks_fixup_ht1000(pdev);
569 			break;
570 	}
571 	return ata_pci_device_resume(pdev);
572 }
573 #endif
574 
575 static const struct pci_device_id serverworks[] = {
576 	{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0},
577 	{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 2},
578 	{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE), 2},
579 	{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2), 2},
580 	{ PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE), 2},
581 
582 	{ },
583 };
584 
585 static struct pci_driver serverworks_pci_driver = {
586 	.name 		= DRV_NAME,
587 	.id_table	= serverworks,
588 	.probe 		= serverworks_init_one,
589 	.remove		= ata_pci_remove_one,
590 #ifdef CONFIG_PM
591 	.suspend	= ata_pci_device_suspend,
592 	.resume		= serverworks_reinit_one,
593 #endif
594 };
595 
596 static int __init serverworks_init(void)
597 {
598 	return pci_register_driver(&serverworks_pci_driver);
599 }
600 
601 static void __exit serverworks_exit(void)
602 {
603 	pci_unregister_driver(&serverworks_pci_driver);
604 }
605 
606 MODULE_AUTHOR("Alan Cox");
607 MODULE_DESCRIPTION("low-level driver for Serverworks OSB4/CSB5/CSB6");
608 MODULE_LICENSE("GPL");
609 MODULE_DEVICE_TABLE(pci, serverworks);
610 MODULE_VERSION(DRV_VERSION);
611 
612 module_init(serverworks_init);
613 module_exit(serverworks_exit);
614