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[PARISC] Wire up sys_fallocate (and compat_sys_fallocate)
[linux-2.6/lfs.git] / drivers / ata / pata_ali.c
blob364534e7aff4522105d1c043502e15da2ddfa1d3
1 /*
2 * pata_ali.c - ALI 15x3 PATA for new ATA layer
3 * (C) 2005 Red Hat Inc
4 * Alan Cox <alan@redhat.com>
5 *
6 * based in part upon
7 * linux/drivers/ide/pci/alim15x3.c Version 0.17 2003/01/02
8 *
9 * Copyright (C) 1998-2000 Michel Aubry, Maintainer
10 * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer
11 * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer
12 *
13 * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org)
14 * May be copied or modified under the terms of the GNU General Public License
15 * Copyright (C) 2002 Alan Cox <alan@redhat.com>
16 * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw>
17 *
18 * Documentation
19 * Chipset documentation available under NDA only
20 *
21 * TODO/CHECK
22 * Cannot have ATAPI on both master & slave for rev < c2 (???) but
23 * otherwise should do atapi DMA.
24 */
25
26 #include <linux/kernel.h>
27 #include <linux/module.h>
28 #include <linux/pci.h>
29 #include <linux/init.h>
30 #include <linux/blkdev.h>
31 #include <linux/delay.h>
32 #include <scsi/scsi_host.h>
33 #include <linux/libata.h>
34 #include <linux/dmi.h>
35
36 #define DRV_NAME "pata_ali"
37 #define DRV_VERSION "0.7.5"
38
39 /*
40 * Cable special cases
41 */
42
43 static const struct dmi_system_id cable_dmi_table[] = {
44 {
45 .ident = "HP Pavilion N5430",
46 .matches = {
47 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
48 DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
49 },
50 },
51 {
52 .ident = "Toshiba Satelite S1800-814",
53 .matches = {
54 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
55 DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"),
56 },
57 },
58 { }
59 };
60
61 static int ali_cable_override(struct pci_dev *pdev)
62 {
63 /* Fujitsu P2000 */
64 if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF)
65 return 1;
66 /* Systems by DMI */
67 if (dmi_check_system(cable_dmi_table))
68 return 1;
69 return 0;
70 }
71
72 /**
73 * ali_c2_cable_detect - cable detection
74 * @ap: ATA port
75 *
76 * Perform cable detection for C2 and later revisions
77 */
78
79 static int ali_c2_cable_detect(struct ata_port *ap)
80 {
81 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
82 u8 ata66;
83
84 /* Certain laptops use short but suitable cables and don't
85 implement the detect logic */
86
87 if (ali_cable_override(pdev))
88 return ATA_CBL_PATA40_SHORT;
89
90 /* Host view cable detect 0x4A bit 0 primary bit 1 secondary
91 Bit set for 40 pin */
92 pci_read_config_byte(pdev, 0x4A, &ata66);
93 if (ata66 & (1 << ap->port_no))
94 return ATA_CBL_PATA40;
95 else
96 return ATA_CBL_PATA80;
97 }
98
99 /**
100 * ali_20_filter - filter for earlier ALI DMA
101 * @ap: ALi ATA port
102 * @adev: attached device
103 *
104 * Ensure that we do not do DMA on CD devices. We may be able to
105 * fix that later on. Also ensure we do not do UDMA on WDC drives
106 */
107
108 static unsigned long ali_20_filter(struct ata_device *adev, unsigned long mask)
109 {
110 char model_num[ATA_ID_PROD_LEN + 1];
111 /* No DMA on anything but a disk for now */
112 if (adev->class != ATA_DEV_ATA)
113 mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
114 ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));
115 if (strstr(model_num, "WDC"))
116 return mask &= ~ATA_MASK_UDMA;
117 return ata_pci_default_filter(adev, mask);
118 }
119
120 /**
121 * ali_fifo_control - FIFO manager
122 * @ap: ALi channel to control
123 * @adev: device for FIFO control
124 * @on: 0 for off 1 for on
125 *
126 * Enable or disable the FIFO on a given device. Because of the way the
127 * ALi FIFO works it provides a boost on ATA disk but can be confused by
128 * ATAPI and we must therefore manage it.
129 */
130
131 static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int on)
132 {
133 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
134 int pio_fifo = 0x54 + ap->port_no;
135 u8 fifo;
136 int shift = 4 * adev->devno;
137
138 /* ATA - FIFO on set nibble to 0x05, ATAPI - FIFO off, set nibble to
139 0x00. Not all the docs agree but the behaviour we now use is the
140 one stated in the BIOS Programming Guide */
141
142 pci_read_config_byte(pdev, pio_fifo, &fifo);
143 fifo &= ~(0x0F << shift);
144 if (on)
145 fifo |= (on << shift);
146 pci_write_config_byte(pdev, pio_fifo, fifo);
147 }
148
149 /**
150 * ali_program_modes - load mode registers
151 * @ap: ALi channel to load
152 * @adev: Device the timing is for
153 * @cmd: Command timing
154 * @data: Data timing
155 * @ultra: UDMA timing or zero for off
156 *
157 * Loads the timing registers for cmd/data and disable UDMA if
158 * ultra is zero. If ultra is set then load and enable the UDMA
159 * timing but do not touch the command/data timing.
160 */
161
162 static void ali_program_modes(struct ata_port *ap, struct ata_device *adev, struct ata_timing *t, u8 ultra)
163 {
164 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
165 int cas = 0x58 + 4 * ap->port_no; /* Command timing */
166 int cbt = 0x59 + 4 * ap->port_no; /* Command timing */
167 int drwt = 0x5A + 4 * ap->port_no + adev->devno; /* R/W timing */
168 int udmat = 0x56 + ap->port_no; /* UDMA timing */
169 int shift = 4 * adev->devno;
170 u8 udma;
171
172 if (t != NULL) {
173 t->setup = FIT(t->setup, 1, 8) & 7;
174 t->act8b = FIT(t->act8b, 1, 8) & 7;
175 t->rec8b = FIT(t->rec8b, 1, 16) & 15;
176 t->active = FIT(t->active, 1, 8) & 7;
177 t->recover = FIT(t->recover, 1, 16) & 15;
178
179 pci_write_config_byte(pdev, cas, t->setup);
180 pci_write_config_byte(pdev, cbt, (t->act8b << 4) | t->rec8b);
181 pci_write_config_byte(pdev, drwt, (t->active << 4) | t->recover);
182 }
183
184 /* Set up the UDMA enable */
185 pci_read_config_byte(pdev, udmat, &udma);
186 udma &= ~(0x0F << shift);
187 udma |= ultra << shift;
188 pci_write_config_byte(pdev, udmat, udma);
189 }
190
191 /**
192 * ali_set_piomode - set initial PIO mode data
193 * @ap: ATA interface
194 * @adev: ATA device
195 *
196 * Program the ALi registers for PIO mode. FIXME: add timings for
197 * PIO5.
198 */
199
200 static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev)
201 {
202 struct ata_device *pair = ata_dev_pair(adev);
203 struct ata_timing t;
204 unsigned long T = 1000000000 / 33333; /* PCI clock based */
205
206 ata_timing_compute(adev, adev->pio_mode, &t, T, 1);
207 if (pair) {
208 struct ata_timing p;
209 ata_timing_compute(pair, pair->pio_mode, &p, T, 1);
210 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
211 if (pair->dma_mode) {
212 ata_timing_compute(pair, pair->dma_mode, &p, T, 1);
213 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
214 }
215 }
216
217 /* PIO FIFO is only permitted on ATA disk */
218 if (adev->class != ATA_DEV_ATA)
219 ali_fifo_control(ap, adev, 0x00);
220 ali_program_modes(ap, adev, &t, 0);
221 if (adev->class == ATA_DEV_ATA)
222 ali_fifo_control(ap, adev, 0x05);
223
224 }
225
226 /**
227 * ali_set_dmamode - set initial DMA mode data
228 * @ap: ATA interface
229 * @adev: ATA device
230 *
231 * FIXME: MWDMA timings
232 */
233
234 static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev)
235 {
236 static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD };
237 struct ata_device *pair = ata_dev_pair(adev);
238 struct ata_timing t;
239 unsigned long T = 1000000000 / 33333; /* PCI clock based */
240 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
241
242
243 if (adev->class == ATA_DEV_ATA)
244 ali_fifo_control(ap, adev, 0x08);
245
246 if (adev->dma_mode >= XFER_UDMA_0) {
247 ali_program_modes(ap, adev, NULL, udma_timing[adev->dma_mode - XFER_UDMA_0]);
248 if (adev->dma_mode >= XFER_UDMA_3) {
249 u8 reg4b;
250 pci_read_config_byte(pdev, 0x4B, &reg4b);
251 reg4b |= 1;
252 pci_write_config_byte(pdev, 0x4B, reg4b);
253 }
254 } else {
255 ata_timing_compute(adev, adev->dma_mode, &t, T, 1);
256 if (pair) {
257 struct ata_timing p;
258 ata_timing_compute(pair, pair->pio_mode, &p, T, 1);
259 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
260 if (pair->dma_mode) {
261 ata_timing_compute(pair, pair->dma_mode, &p, T, 1);
262 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
263 }
264 }
265 ali_program_modes(ap, adev, &t, 0);
266 }
267 }
268
269 /**
270 * ali_lock_sectors - Keep older devices to 255 sector mode
271 * @adev: Device
272 *
273 * Called during the bus probe for each device that is found. We use
274 * this call to lock the sector count of the device to 255 or less on
275 * older ALi controllers. If we didn't do this then large I/O's would
276 * require LBA48 commands which the older ALi requires are issued by
277 * slower PIO methods
278 */
279
280 static void ali_lock_sectors(struct ata_device *adev)
281 {
282 adev->max_sectors = 255;
283 }
284
285 static struct scsi_host_template ali_sht = {
286 .module = THIS_MODULE,
287 .name = DRV_NAME,
288 .ioctl = ata_scsi_ioctl,
289 .queuecommand = ata_scsi_queuecmd,
290 .can_queue = ATA_DEF_QUEUE,
291 .this_id = ATA_SHT_THIS_ID,
292 .sg_tablesize = LIBATA_MAX_PRD,
293 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
294 .emulated = ATA_SHT_EMULATED,
295 .use_clustering = ATA_SHT_USE_CLUSTERING,
296 .proc_name = DRV_NAME,
297 .dma_boundary = ATA_DMA_BOUNDARY,
298 .slave_configure = ata_scsi_slave_config,
299 .slave_destroy = ata_scsi_slave_destroy,
300 .bios_param = ata_std_bios_param,
301 };
302
303 /*
304 * Port operations for PIO only ALi
305 */
306
307 static struct ata_port_operations ali_early_port_ops = {
308 .set_piomode = ali_set_piomode,
309 .tf_load = ata_tf_load,
310 .tf_read = ata_tf_read,
311 .check_status = ata_check_status,
312 .exec_command = ata_exec_command,
313 .dev_select = ata_std_dev_select,
314
315 .freeze = ata_bmdma_freeze,
316 .thaw = ata_bmdma_thaw,
317 .error_handler = ata_bmdma_error_handler,
318 .post_internal_cmd = ata_bmdma_post_internal_cmd,
319 .cable_detect = ata_cable_40wire,
320
321 .qc_prep = ata_qc_prep,
322 .qc_issue = ata_qc_issue_prot,
323
324 .data_xfer = ata_data_xfer,
325
326 .irq_handler = ata_interrupt,
327 .irq_clear = ata_bmdma_irq_clear,
328 .irq_on = ata_irq_on,
329
330 .port_start = ata_sff_port_start,
331 };
332
333 /*
334 * Port operations for DMA capable ALi without cable
335 * detect
336 */
337 static struct ata_port_operations ali_20_port_ops = {
338 .set_piomode = ali_set_piomode,
339 .set_dmamode = ali_set_dmamode,
340 .mode_filter = ali_20_filter,
341
342 .tf_load = ata_tf_load,
343 .tf_read = ata_tf_read,
344 .check_status = ata_check_status,
345 .exec_command = ata_exec_command,
346 .dev_select = ata_std_dev_select,
347 .dev_config = ali_lock_sectors,
348
349 .freeze = ata_bmdma_freeze,
350 .thaw = ata_bmdma_thaw,
351 .error_handler = ata_bmdma_error_handler,
352 .post_internal_cmd = ata_bmdma_post_internal_cmd,
353 .cable_detect = ata_cable_40wire,
354
355 .bmdma_setup = ata_bmdma_setup,
356 .bmdma_start = ata_bmdma_start,
357 .bmdma_stop = ata_bmdma_stop,
358 .bmdma_status = ata_bmdma_status,
359
360 .qc_prep = ata_qc_prep,
361 .qc_issue = ata_qc_issue_prot,
362
363 .data_xfer = ata_data_xfer,
364
365 .irq_handler = ata_interrupt,
366 .irq_clear = ata_bmdma_irq_clear,
367 .irq_on = ata_irq_on,
368
369 .port_start = ata_sff_port_start,
370 };
371
372 /*
373 * Port operations for DMA capable ALi with cable detect
374 */
375 static struct ata_port_operations ali_c2_port_ops = {
376 .set_piomode = ali_set_piomode,
377 .set_dmamode = ali_set_dmamode,
378 .mode_filter = ata_pci_default_filter,
379 .tf_load = ata_tf_load,
380 .tf_read = ata_tf_read,
381 .check_status = ata_check_status,
382 .exec_command = ata_exec_command,
383 .dev_select = ata_std_dev_select,
384 .dev_config = ali_lock_sectors,
385
386 .freeze = ata_bmdma_freeze,
387 .thaw = ata_bmdma_thaw,
388 .error_handler = ata_bmdma_error_handler,
389 .post_internal_cmd = ata_bmdma_post_internal_cmd,
390 .cable_detect = ali_c2_cable_detect,
391
392 .bmdma_setup = ata_bmdma_setup,
393 .bmdma_start = ata_bmdma_start,
394 .bmdma_stop = ata_bmdma_stop,
395 .bmdma_status = ata_bmdma_status,
396
397 .qc_prep = ata_qc_prep,
398 .qc_issue = ata_qc_issue_prot,
399
400 .data_xfer = ata_data_xfer,
401
402 .irq_handler = ata_interrupt,
403 .irq_clear = ata_bmdma_irq_clear,
404 .irq_on = ata_irq_on,
405
406 .port_start = ata_sff_port_start,
407 };
408
409 /*
410 * Port operations for DMA capable ALi with cable detect and LBA48
411 */
412 static struct ata_port_operations ali_c5_port_ops = {
413 .set_piomode = ali_set_piomode,
414 .set_dmamode = ali_set_dmamode,
415 .mode_filter = ata_pci_default_filter,
416 .tf_load = ata_tf_load,
417 .tf_read = ata_tf_read,
418 .check_status = ata_check_status,
419 .exec_command = ata_exec_command,
420 .dev_select = ata_std_dev_select,
421
422 .freeze = ata_bmdma_freeze,
423 .thaw = ata_bmdma_thaw,
424 .error_handler = ata_bmdma_error_handler,
425 .post_internal_cmd = ata_bmdma_post_internal_cmd,
426 .cable_detect = ali_c2_cable_detect,
427
428 .bmdma_setup = ata_bmdma_setup,
429 .bmdma_start = ata_bmdma_start,
430 .bmdma_stop = ata_bmdma_stop,
431 .bmdma_status = ata_bmdma_status,
432
433 .qc_prep = ata_qc_prep,
434 .qc_issue = ata_qc_issue_prot,
435
436 .data_xfer = ata_data_xfer,
437
438 .irq_handler = ata_interrupt,
439 .irq_clear = ata_bmdma_irq_clear,
440 .irq_on = ata_irq_on,
441
442 .port_start = ata_sff_port_start,
443 };
444
445
446 /**
447 * ali_init_chipset - chip setup function
448 * @pdev: PCI device of ATA controller
449 *
450 * Perform the setup on the device that must be done both at boot
451 * and at resume time.
452 */
453
454 static void ali_init_chipset(struct pci_dev *pdev)
455 {
456 u8 tmp;
457 struct pci_dev *north, *isa_bridge;
458
459 /*
460 * The chipset revision selects the driver operations and
461 * mode data.
462 */
463
464 if (pdev->revision >= 0x20 && pdev->revision < 0xC2) {
465 /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */
466 pci_read_config_byte(pdev, 0x4B, &tmp);
467 /* Clear CD-ROM DMA write bit */
468 tmp &= 0x7F;
469 pci_write_config_byte(pdev, 0x4B, tmp);
470 } else if (pdev->revision >= 0xC2) {
471 /* Enable cable detection logic */
472 pci_read_config_byte(pdev, 0x4B, &tmp);
473 pci_write_config_byte(pdev, 0x4B, tmp | 0x08);
474 }
475 north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
476 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
477
478 if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) {
479 /* Configure the ALi bridge logic. For non ALi rely on BIOS.
480 Set the south bridge enable bit */
481 pci_read_config_byte(isa_bridge, 0x79, &tmp);
482 if (pdev->revision == 0xC2)
483 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04);
484 else if (pdev->revision > 0xC2 && pdev->revision < 0xC5)
485 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02);
486 }
487 if (pdev->revision >= 0x20) {
488 /*
489 * CD_ROM DMA on (0x53 bit 0). Enable this even if we want
490 * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control
491 * via 0x54/55.
492 */
493 pci_read_config_byte(pdev, 0x53, &tmp);
494 if (pdev->revision <= 0x20)
495 tmp &= ~0x02;
496 if (pdev->revision >= 0xc7)
497 tmp |= 0x03;
498 else
499 tmp |= 0x01; /* CD_ROM enable for DMA */
500 pci_write_config_byte(pdev, 0x53, tmp);
501 }
502 pci_dev_put(isa_bridge);
503 pci_dev_put(north);
504 ata_pci_clear_simplex(pdev);
505 }
506 /**
507 * ali_init_one - discovery callback
508 * @pdev: PCI device ID
509 * @id: PCI table info
510 *
511 * An ALi IDE interface has been discovered. Figure out what revision
512 * and perform configuration work before handing it to the ATA layer
513 */
514
515 static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
516 {
517 static const struct ata_port_info info_early = {
518 .sht = &ali_sht,
519 .flags = ATA_FLAG_SLAVE_POSS,
520 .pio_mask = 0x1f,
521 .port_ops = &ali_early_port_ops
522 };
523 /* Revision 0x20 added DMA */
524 static const struct ata_port_info info_20 = {
525 .sht = &ali_sht,
526 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
527 .pio_mask = 0x1f,
528 .mwdma_mask = 0x07,
529 .port_ops = &ali_20_port_ops
530 };
531 /* Revision 0x20 with support logic added UDMA */
532 static const struct ata_port_info info_20_udma = {
533 .sht = &ali_sht,
534 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
535 .pio_mask = 0x1f,
536 .mwdma_mask = 0x07,
537 .udma_mask = 0x07, /* UDMA33 */
538 .port_ops = &ali_20_port_ops
539 };
540 /* Revision 0xC2 adds UDMA66 */
541 static const struct ata_port_info info_c2 = {
542 .sht = &ali_sht,
543 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
544 .pio_mask = 0x1f,
545 .mwdma_mask = 0x07,
546 .udma_mask = ATA_UDMA4,
547 .port_ops = &ali_c2_port_ops
548 };
549 /* Revision 0xC3 is UDMA66 for now */
550 static const struct ata_port_info info_c3 = {
551 .sht = &ali_sht,
552 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
553 .pio_mask = 0x1f,
554 .mwdma_mask = 0x07,
555 .udma_mask = ATA_UDMA4,
556 .port_ops = &ali_c2_port_ops
557 };
558 /* Revision 0xC4 is UDMA100 */
559 static const struct ata_port_info info_c4 = {
560 .sht = &ali_sht,
561 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
562 .pio_mask = 0x1f,
563 .mwdma_mask = 0x07,
564 .udma_mask = ATA_UDMA5,
565 .port_ops = &ali_c2_port_ops
566 };
567 /* Revision 0xC5 is UDMA133 with LBA48 DMA */
568 static const struct ata_port_info info_c5 = {
569 .sht = &ali_sht,
570 .flags = ATA_FLAG_SLAVE_POSS,
571 .pio_mask = 0x1f,
572 .mwdma_mask = 0x07,
573 .udma_mask = ATA_UDMA6,
574 .port_ops = &ali_c5_port_ops
575 };
576
577 const struct ata_port_info *ppi[] = { NULL, NULL };
578 u8 tmp;
579 struct pci_dev *isa_bridge;
580
581 /*
582 * The chipset revision selects the driver operations and
583 * mode data.
584 */
585
586 if (pdev->revision < 0x20) {
587 ppi[0] = &info_early;
588 } else if (pdev->revision < 0xC2) {
589 ppi[0] = &info_20;
590 } else if (pdev->revision == 0xC2) {
591 ppi[0] = &info_c2;
592 } else if (pdev->revision == 0xC3) {
593 ppi[0] = &info_c3;
594 } else if (pdev->revision == 0xC4) {
595 ppi[0] = &info_c4;
596 } else
597 ppi[0] = &info_c5;
598
599 ali_init_chipset(pdev);
600
601 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
602 if (isa_bridge && pdev->revision >= 0x20 && pdev->revision < 0xC2) {
603 /* Are we paired with a UDMA capable chip */
604 pci_read_config_byte(isa_bridge, 0x5E, &tmp);
605 if ((tmp & 0x1E) == 0x12)
606 ppi[0] = &info_20_udma;
607 pci_dev_put(isa_bridge);
608 }
609 return ata_pci_init_one(pdev, ppi);
610 }
611
612 #ifdef CONFIG_PM
613 static int ali_reinit_one(struct pci_dev *pdev)
614 {
615 ali_init_chipset(pdev);
616 return ata_pci_device_resume(pdev);
617 }
618 #endif
619
620 static const struct pci_device_id ali[] = {
621 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), },
622 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), },
623
624 { },
625 };
626
627 static struct pci_driver ali_pci_driver = {
628 .name = DRV_NAME,
629 .id_table = ali,
630 .probe = ali_init_one,
631 .remove = ata_pci_remove_one,
632 #ifdef CONFIG_PM
633 .suspend = ata_pci_device_suspend,
634 .resume = ali_reinit_one,
635 #endif
636 };
637
638 static int __init ali_init(void)
639 {
640 return pci_register_driver(&ali_pci_driver);
641 }
642
643
644 static void __exit ali_exit(void)
645 {
646 pci_unregister_driver(&ali_pci_driver);
647 }
648
649
650 MODULE_AUTHOR("Alan Cox");
651 MODULE_DESCRIPTION("low-level driver for ALi PATA");
652 MODULE_LICENSE("GPL");
653 MODULE_DEVICE_TABLE(pci, ali);
654 MODULE_VERSION(DRV_VERSION);
655
656 module_init(ali_init);
657 module_exit(ali_exit);
Log-structured file system for Linux