blob: 3cc27b514654ad8219dae8941eb258f4147d072b [file] [log] [blame]
Jeff Garzik669a5db2006-08-29 18:12:40 -04001/*
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"
Bartlomiej Zolnierkiewicz943547a2007-12-02 03:47:01 +010028#define DRV_VERSION "0.3.10"
Jeff Garzik669a5db2006-08-29 18:12:40 -040029
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 */
Bartlomiej Zolnierkiewicz943547a2007-12-02 03:47:01 +0100118 if (at.udma)
119 pci_write_config_byte(pdev, offset + 0x10 + (3 - dn), t);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400120}
121
122/**
Tejun Heocc0680a2007-08-06 18:36:23 +0900123 * amd_pre_reset - perform reset handling
124 * @link: ATA link
Tejun Heod4b2bab2007-02-02 16:50:52 +0900125 * @deadline: deadline jiffies for the operation
Jeff Garzik669a5db2006-08-29 18:12:40 -0400126 *
Alan Coxeb4a2c72007-04-11 00:04:20 +0100127 * Reset sequence checking enable bits to see which ports are
128 * active.
Jeff Garzik669a5db2006-08-29 18:12:40 -0400129 */
130
Tejun Heocc0680a2007-08-06 18:36:23 +0900131static int amd_pre_reset(struct ata_link *link, unsigned long deadline)
Jeff Garzik669a5db2006-08-29 18:12:40 -0400132{
Jeff Garzik669a5db2006-08-29 18:12:40 -0400133 static const struct pci_bits amd_enable_bits[] = {
134 { 0x40, 1, 0x02, 0x02 },
135 { 0x40, 1, 0x01, 0x01 }
136 };
137
Tejun Heocc0680a2007-08-06 18:36:23 +0900138 struct ata_port *ap = link->ap;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400139 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
Jeff Garzik85cd7252006-08-31 00:03:49 -0400140
Alan Coxc9619222006-09-26 17:53:38 +0100141 if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
142 return -ENOENT;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400143
Tejun Heocc0680a2007-08-06 18:36:23 +0900144 return ata_std_prereset(link, deadline);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400145}
146
147static void amd_error_handler(struct ata_port *ap)
148{
149 return ata_bmdma_drive_eh(ap, amd_pre_reset,
150 ata_std_softreset, NULL,
151 ata_std_postreset);
152}
153
Alan Coxeb4a2c72007-04-11 00:04:20 +0100154static int amd_cable_detect(struct ata_port *ap)
Jeff Garzik669a5db2006-08-29 18:12:40 -0400155{
Alan Coxeb4a2c72007-04-11 00:04:20 +0100156 static const u32 bitmask[2] = {0x03, 0x0C};
Jeff Garzik669a5db2006-08-29 18:12:40 -0400157 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
Alan Coxeb4a2c72007-04-11 00:04:20 +0100158 u8 ata66;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400159
Alan Coxeb4a2c72007-04-11 00:04:20 +0100160 pci_read_config_byte(pdev, 0x42, &ata66);
161 if (ata66 & bitmask[ap->port_no])
162 return ATA_CBL_PATA80;
163 return ATA_CBL_PATA40;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400164}
165
166/**
167 * amd33_set_piomode - set initial PIO mode data
168 * @ap: ATA interface
169 * @adev: ATA device
170 *
171 * Program the AMD registers for PIO mode.
172 */
173
174static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev)
175{
176 timing_setup(ap, adev, 0x40, adev->pio_mode, 1);
177}
178
179static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev)
180{
181 timing_setup(ap, adev, 0x40, adev->pio_mode, 2);
182}
183
184static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev)
185{
186 timing_setup(ap, adev, 0x40, adev->pio_mode, 3);
187}
188
189static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev)
190{
191 timing_setup(ap, adev, 0x40, adev->pio_mode, 4);
192}
193
194/**
195 * amd33_set_dmamode - set initial DMA mode data
196 * @ap: ATA interface
197 * @adev: ATA device
198 *
199 * Program the MWDMA/UDMA modes for the AMD and Nvidia
200 * chipset.
201 */
202
203static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev)
204{
205 timing_setup(ap, adev, 0x40, adev->dma_mode, 1);
206}
207
208static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev)
209{
210 timing_setup(ap, adev, 0x40, adev->dma_mode, 2);
211}
212
213static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
214{
215 timing_setup(ap, adev, 0x40, adev->dma_mode, 3);
216}
217
218static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
219{
220 timing_setup(ap, adev, 0x40, adev->dma_mode, 4);
221}
222
223
224/**
225 * nv_probe_init - cable detection
Tejun Heocc0680a2007-08-06 18:36:23 +0900226 * @lin: ATA link
Jeff Garzik669a5db2006-08-29 18:12:40 -0400227 *
228 * Perform cable detection. The BIOS stores this in PCI config
229 * space for us.
230 */
231
Tejun Heocc0680a2007-08-06 18:36:23 +0900232static int nv_pre_reset(struct ata_link *link, unsigned long deadline)
Tejun Heod4b2bab2007-02-02 16:50:52 +0900233{
Alan Cox76ff3c62006-09-12 17:14:03 +0100234 static const struct pci_bits nv_enable_bits[] = {
235 { 0x50, 1, 0x02, 0x02 },
236 { 0x50, 1, 0x01, 0x01 }
237 };
Jeff Garzik669a5db2006-08-29 18:12:40 -0400238
Tejun Heocc0680a2007-08-06 18:36:23 +0900239 struct ata_port *ap = link->ap;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400240 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400241
Alan Coxc9619222006-09-26 17:53:38 +0100242 if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
243 return -ENOENT;
Alan Cox76ff3c62006-09-12 17:14:03 +0100244
Tejun Heocc0680a2007-08-06 18:36:23 +0900245 return ata_std_prereset(link, deadline);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400246}
247
248static void nv_error_handler(struct ata_port *ap)
249{
250 ata_bmdma_drive_eh(ap, nv_pre_reset,
251 ata_std_softreset, NULL,
252 ata_std_postreset);
253}
Alan Coxeb4a2c72007-04-11 00:04:20 +0100254
255static int nv_cable_detect(struct ata_port *ap)
256{
257 static const u8 bitmask[2] = {0x03, 0x0C};
258 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
259 u8 ata66;
260 u16 udma;
261 int cbl;
262
263 pci_read_config_byte(pdev, 0x52, &ata66);
264 if (ata66 & bitmask[ap->port_no])
265 cbl = ATA_CBL_PATA80;
266 else
267 cbl = ATA_CBL_PATA40;
268
269 /* We now have to double check because the Nvidia boxes BIOS
270 doesn't always set the cable bits but does set mode bits */
271 pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
272 if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
273 cbl = ATA_CBL_PATA80;
Alan Coxe708eb92007-07-26 18:37:28 +0100274 /* And a triple check across suspend/resume with ACPI around */
275 if (ata_acpi_cbl_80wire(ap))
276 cbl = ATA_CBL_PATA80;
Alan Coxeb4a2c72007-04-11 00:04:20 +0100277 return cbl;
278}
279
Jeff Garzik669a5db2006-08-29 18:12:40 -0400280/**
281 * nv100_set_piomode - set initial PIO mode data
282 * @ap: ATA interface
283 * @adev: ATA device
284 *
285 * Program the AMD registers for PIO mode.
286 */
287
288static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev)
289{
290 timing_setup(ap, adev, 0x50, adev->pio_mode, 3);
291}
292
293static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev)
294{
295 timing_setup(ap, adev, 0x50, adev->pio_mode, 4);
296}
297
298/**
299 * nv100_set_dmamode - set initial DMA mode data
300 * @ap: ATA interface
301 * @adev: ATA device
302 *
303 * Program the MWDMA/UDMA modes for the AMD and Nvidia
304 * chipset.
305 */
306
307static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
308{
309 timing_setup(ap, adev, 0x50, adev->dma_mode, 3);
310}
311
312static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
313{
314 timing_setup(ap, adev, 0x50, adev->dma_mode, 4);
315}
316
317static struct scsi_host_template amd_sht = {
318 .module = THIS_MODULE,
319 .name = DRV_NAME,
320 .ioctl = ata_scsi_ioctl,
321 .queuecommand = ata_scsi_queuecmd,
322 .can_queue = ATA_DEF_QUEUE,
323 .this_id = ATA_SHT_THIS_ID,
324 .sg_tablesize = LIBATA_MAX_PRD,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400325 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
326 .emulated = ATA_SHT_EMULATED,
327 .use_clustering = ATA_SHT_USE_CLUSTERING,
328 .proc_name = DRV_NAME,
329 .dma_boundary = ATA_DMA_BOUNDARY,
330 .slave_configure = ata_scsi_slave_config,
Tejun Heoafdfe892006-11-29 11:26:47 +0900331 .slave_destroy = ata_scsi_slave_destroy,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400332 .bios_param = ata_std_bios_param,
333};
334
335static struct ata_port_operations amd33_port_ops = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400336 .set_piomode = amd33_set_piomode,
337 .set_dmamode = amd33_set_dmamode,
338 .mode_filter = ata_pci_default_filter,
339 .tf_load = ata_tf_load,
340 .tf_read = ata_tf_read,
341 .check_status = ata_check_status,
342 .exec_command = ata_exec_command,
343 .dev_select = ata_std_dev_select,
344
345 .freeze = ata_bmdma_freeze,
346 .thaw = ata_bmdma_thaw,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100347 .error_handler = amd_error_handler,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400348 .post_internal_cmd = ata_bmdma_post_internal_cmd,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100349 .cable_detect = ata_cable_40wire,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400350
351 .bmdma_setup = ata_bmdma_setup,
352 .bmdma_start = ata_bmdma_start,
353 .bmdma_stop = ata_bmdma_stop,
354 .bmdma_status = ata_bmdma_status,
355
356 .qc_prep = ata_qc_prep,
357 .qc_issue = ata_qc_issue_prot,
Jeff Garzikbda30282006-09-27 05:41:13 -0400358
Tejun Heo0d5ff562007-02-01 15:06:36 +0900359 .data_xfer = ata_data_xfer,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400360
361 .irq_handler = ata_interrupt,
362 .irq_clear = ata_bmdma_irq_clear,
Akira Iguchi246ce3b2007-01-26 16:27:58 +0900363 .irq_on = ata_irq_on,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400364
Alan Cox81ad1832007-08-22 22:55:41 +0100365 .port_start = ata_sff_port_start,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400366};
367
368static struct ata_port_operations amd66_port_ops = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400369 .set_piomode = amd66_set_piomode,
370 .set_dmamode = amd66_set_dmamode,
371 .mode_filter = ata_pci_default_filter,
372 .tf_load = ata_tf_load,
373 .tf_read = ata_tf_read,
374 .check_status = ata_check_status,
375 .exec_command = ata_exec_command,
376 .dev_select = ata_std_dev_select,
377
378 .freeze = ata_bmdma_freeze,
379 .thaw = ata_bmdma_thaw,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100380 .error_handler = amd_error_handler,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400381 .post_internal_cmd = ata_bmdma_post_internal_cmd,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100382 .cable_detect = ata_cable_unknown,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400383
384 .bmdma_setup = ata_bmdma_setup,
385 .bmdma_start = ata_bmdma_start,
386 .bmdma_stop = ata_bmdma_stop,
387 .bmdma_status = ata_bmdma_status,
388
389 .qc_prep = ata_qc_prep,
390 .qc_issue = ata_qc_issue_prot,
Jeff Garzikbda30282006-09-27 05:41:13 -0400391
Tejun Heo0d5ff562007-02-01 15:06:36 +0900392 .data_xfer = ata_data_xfer,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400393
394 .irq_handler = ata_interrupt,
395 .irq_clear = ata_bmdma_irq_clear,
Akira Iguchi246ce3b2007-01-26 16:27:58 +0900396 .irq_on = ata_irq_on,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400397
Alan Cox81ad1832007-08-22 22:55:41 +0100398 .port_start = ata_sff_port_start,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400399};
400
401static struct ata_port_operations amd100_port_ops = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400402 .set_piomode = amd100_set_piomode,
403 .set_dmamode = amd100_set_dmamode,
404 .mode_filter = ata_pci_default_filter,
405 .tf_load = ata_tf_load,
406 .tf_read = ata_tf_read,
407 .check_status = ata_check_status,
408 .exec_command = ata_exec_command,
409 .dev_select = ata_std_dev_select,
410
411 .freeze = ata_bmdma_freeze,
412 .thaw = ata_bmdma_thaw,
413 .error_handler = amd_error_handler,
414 .post_internal_cmd = ata_bmdma_post_internal_cmd,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100415 .cable_detect = ata_cable_unknown,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400416
417 .bmdma_setup = ata_bmdma_setup,
418 .bmdma_start = ata_bmdma_start,
419 .bmdma_stop = ata_bmdma_stop,
420 .bmdma_status = ata_bmdma_status,
421
422 .qc_prep = ata_qc_prep,
423 .qc_issue = ata_qc_issue_prot,
Jeff Garzikbda30282006-09-27 05:41:13 -0400424
Tejun Heo0d5ff562007-02-01 15:06:36 +0900425 .data_xfer = ata_data_xfer,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400426
427 .irq_handler = ata_interrupt,
428 .irq_clear = ata_bmdma_irq_clear,
Akira Iguchi246ce3b2007-01-26 16:27:58 +0900429 .irq_on = ata_irq_on,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400430
Alan Cox81ad1832007-08-22 22:55:41 +0100431 .port_start = ata_sff_port_start,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400432};
433
434static struct ata_port_operations amd133_port_ops = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400435 .set_piomode = amd133_set_piomode,
436 .set_dmamode = amd133_set_dmamode,
437 .mode_filter = ata_pci_default_filter,
438 .tf_load = ata_tf_load,
439 .tf_read = ata_tf_read,
440 .check_status = ata_check_status,
441 .exec_command = ata_exec_command,
442 .dev_select = ata_std_dev_select,
443
444 .freeze = ata_bmdma_freeze,
445 .thaw = ata_bmdma_thaw,
446 .error_handler = amd_error_handler,
447 .post_internal_cmd = ata_bmdma_post_internal_cmd,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100448 .cable_detect = amd_cable_detect,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400449
450 .bmdma_setup = ata_bmdma_setup,
451 .bmdma_start = ata_bmdma_start,
452 .bmdma_stop = ata_bmdma_stop,
453 .bmdma_status = ata_bmdma_status,
454
455 .qc_prep = ata_qc_prep,
456 .qc_issue = ata_qc_issue_prot,
Jeff Garzikbda30282006-09-27 05:41:13 -0400457
Tejun Heo0d5ff562007-02-01 15:06:36 +0900458 .data_xfer = ata_data_xfer,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400459
460 .irq_handler = ata_interrupt,
461 .irq_clear = ata_bmdma_irq_clear,
Akira Iguchi246ce3b2007-01-26 16:27:58 +0900462 .irq_on = ata_irq_on,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400463
Alan Cox81ad1832007-08-22 22:55:41 +0100464 .port_start = ata_sff_port_start,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400465};
466
467static struct ata_port_operations nv100_port_ops = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400468 .set_piomode = nv100_set_piomode,
469 .set_dmamode = nv100_set_dmamode,
470 .mode_filter = ata_pci_default_filter,
471 .tf_load = ata_tf_load,
472 .tf_read = ata_tf_read,
473 .check_status = ata_check_status,
474 .exec_command = ata_exec_command,
475 .dev_select = ata_std_dev_select,
476
477 .freeze = ata_bmdma_freeze,
478 .thaw = ata_bmdma_thaw,
479 .error_handler = nv_error_handler,
480 .post_internal_cmd = ata_bmdma_post_internal_cmd,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100481 .cable_detect = nv_cable_detect,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400482
483 .bmdma_setup = ata_bmdma_setup,
484 .bmdma_start = ata_bmdma_start,
485 .bmdma_stop = ata_bmdma_stop,
486 .bmdma_status = ata_bmdma_status,
487
488 .qc_prep = ata_qc_prep,
489 .qc_issue = ata_qc_issue_prot,
Jeff Garzikbda30282006-09-27 05:41:13 -0400490
Tejun Heo0d5ff562007-02-01 15:06:36 +0900491 .data_xfer = ata_data_xfer,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400492
493 .irq_handler = ata_interrupt,
494 .irq_clear = ata_bmdma_irq_clear,
Akira Iguchi246ce3b2007-01-26 16:27:58 +0900495 .irq_on = ata_irq_on,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400496
Alan Cox81ad1832007-08-22 22:55:41 +0100497 .port_start = ata_sff_port_start,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400498};
499
500static struct ata_port_operations nv133_port_ops = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400501 .set_piomode = nv133_set_piomode,
502 .set_dmamode = nv133_set_dmamode,
503 .mode_filter = ata_pci_default_filter,
504 .tf_load = ata_tf_load,
505 .tf_read = ata_tf_read,
506 .check_status = ata_check_status,
507 .exec_command = ata_exec_command,
508 .dev_select = ata_std_dev_select,
509
510 .freeze = ata_bmdma_freeze,
511 .thaw = ata_bmdma_thaw,
512 .error_handler = nv_error_handler,
513 .post_internal_cmd = ata_bmdma_post_internal_cmd,
Alan Coxeb4a2c72007-04-11 00:04:20 +0100514 .cable_detect = nv_cable_detect,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400515
516 .bmdma_setup = ata_bmdma_setup,
517 .bmdma_start = ata_bmdma_start,
518 .bmdma_stop = ata_bmdma_stop,
519 .bmdma_status = ata_bmdma_status,
520
521 .qc_prep = ata_qc_prep,
522 .qc_issue = ata_qc_issue_prot,
Jeff Garzikbda30282006-09-27 05:41:13 -0400523
Tejun Heo0d5ff562007-02-01 15:06:36 +0900524 .data_xfer = ata_data_xfer,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400525
526 .irq_handler = ata_interrupt,
527 .irq_clear = ata_bmdma_irq_clear,
Akira Iguchi246ce3b2007-01-26 16:27:58 +0900528 .irq_on = ata_irq_on,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400529
Alan Cox81ad1832007-08-22 22:55:41 +0100530 .port_start = ata_sff_port_start,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400531};
532
533static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
534{
Tejun Heo1626aeb2007-05-04 12:43:58 +0200535 static const struct ata_port_info info[10] = {
Jeff Garzik669a5db2006-08-29 18:12:40 -0400536 { /* 0: AMD 7401 */
537 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400538 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400539 .pio_mask = 0x1f,
540 .mwdma_mask = 0x07, /* No SWDMA */
541 .udma_mask = 0x07, /* UDMA 33 */
542 .port_ops = &amd33_port_ops
543 },
544 { /* 1: Early AMD7409 - no swdma */
545 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400546 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400547 .pio_mask = 0x1f,
548 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400549 .udma_mask = ATA_UDMA4, /* UDMA 66 */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400550 .port_ops = &amd66_port_ops
551 },
552 { /* 2: AMD 7409, no swdma errata */
553 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400554 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400555 .pio_mask = 0x1f,
556 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400557 .udma_mask = ATA_UDMA4, /* UDMA 66 */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400558 .port_ops = &amd66_port_ops
559 },
560 { /* 3: AMD 7411 */
561 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400562 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400563 .pio_mask = 0x1f,
564 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400565 .udma_mask = ATA_UDMA5, /* UDMA 100 */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400566 .port_ops = &amd100_port_ops
567 },
568 { /* 4: AMD 7441 */
569 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400570 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400571 .pio_mask = 0x1f,
572 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400573 .udma_mask = ATA_UDMA5, /* UDMA 100 */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400574 .port_ops = &amd100_port_ops
575 },
576 { /* 5: AMD 8111*/
577 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400578 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400579 .pio_mask = 0x1f,
580 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400581 .udma_mask = ATA_UDMA6, /* UDMA 133, no swdma */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400582 .port_ops = &amd133_port_ops
583 },
584 { /* 6: AMD 8111 UDMA 100 (Serenade) */
585 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400586 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400587 .pio_mask = 0x1f,
588 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400589 .udma_mask = ATA_UDMA5, /* UDMA 100, no swdma */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400590 .port_ops = &amd133_port_ops
591 },
592 { /* 7: Nvidia Nforce */
593 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400594 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400595 .pio_mask = 0x1f,
596 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400597 .udma_mask = ATA_UDMA5, /* UDMA 100 */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400598 .port_ops = &nv100_port_ops
599 },
600 { /* 8: Nvidia Nforce2 and later */
601 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400602 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400603 .pio_mask = 0x1f,
604 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400605 .udma_mask = ATA_UDMA6, /* UDMA 133, no swdma */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400606 .port_ops = &nv133_port_ops
607 },
608 { /* 9: AMD CS5536 (Geode companion) */
609 .sht = &amd_sht,
Jeff Garzik1d2808f2007-05-28 06:59:48 -0400610 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400611 .pio_mask = 0x1f,
612 .mwdma_mask = 0x07,
Jeff Garzikbf6263a2007-07-09 12:16:50 -0400613 .udma_mask = ATA_UDMA5, /* UDMA 100 */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400614 .port_ops = &amd100_port_ops
615 }
616 };
Tejun Heo1626aeb2007-05-04 12:43:58 +0200617 const struct ata_port_info *ppi[] = { NULL, NULL };
Jeff Garzik669a5db2006-08-29 18:12:40 -0400618 static int printed_version;
619 int type = id->driver_data;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400620 u8 fifo;
621
622 if (!printed_version++)
623 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
624
Jeff Garzik669a5db2006-08-29 18:12:40 -0400625 pci_read_config_byte(pdev, 0x41, &fifo);
626
627 /* Check for AMD7409 without swdma errata and if found adjust type */
Auke Kok44c10132007-06-08 15:46:36 -0700628 if (type == 1 && pdev->revision > 0x7)
Jeff Garzik669a5db2006-08-29 18:12:40 -0400629 type = 2;
630
631 /* Check for AMD7411 */
632 if (type == 3)
633 /* FIFO is broken */
634 pci_write_config_byte(pdev, 0x41, fifo & 0x0F);
635 else
636 pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
637
638 /* Serenade ? */
639 if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
640 pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
641 type = 6; /* UDMA 100 only */
642
643 if (type < 3)
644 ata_pci_clear_simplex(pdev);
645
646 /* And fire it up */
Tejun Heo1626aeb2007-05-04 12:43:58 +0200647 ppi[0] = &info[type];
648 return ata_pci_init_one(pdev, ppi);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400649}
650
Tejun Heo438ac6d2007-03-02 17:31:26 +0900651#ifdef CONFIG_PM
Alanc3041932006-11-27 16:21:24 +0000652static int amd_reinit_one(struct pci_dev *pdev)
653{
654 if (pdev->vendor == PCI_VENDOR_ID_AMD) {
655 u8 fifo;
656 pci_read_config_byte(pdev, 0x41, &fifo);
657 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411)
658 /* FIFO is broken */
659 pci_write_config_byte(pdev, 0x41, fifo & 0x0F);
660 else
661 pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
662 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
663 pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
664 ata_pci_clear_simplex(pdev);
665 }
666 return ata_pci_device_resume(pdev);
667}
Tejun Heo438ac6d2007-03-02 17:31:26 +0900668#endif
Alanc3041932006-11-27 16:21:24 +0000669
Jeff Garzik669a5db2006-08-29 18:12:40 -0400670static const struct pci_device_id amd[] = {
Jeff Garzik2d2744f2006-09-28 20:21:59 -0400671 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 },
672 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 },
673 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 3 },
674 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 4 },
675 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 5 },
676 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 7 },
677 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 8 },
678 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 8 },
679 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 8 },
680 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 8 },
681 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 8 },
682 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 8 },
683 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 8 },
684 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 8 },
685 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 },
Peer Chen05e28672006-11-02 17:58:21 -0500686 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 },
687 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 },
Peer Chen9f789752007-06-07 18:23:12 +0800688 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 8 },
689 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 8 },
Jeff Garzik2d2744f2006-09-28 20:21:59 -0400690 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 },
691
692 { },
Jeff Garzik669a5db2006-08-29 18:12:40 -0400693};
694
695static struct pci_driver amd_pci_driver = {
Jeff Garzik2d2744f2006-09-28 20:21:59 -0400696 .name = DRV_NAME,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400697 .id_table = amd,
698 .probe = amd_init_one,
Alanc3041932006-11-27 16:21:24 +0000699 .remove = ata_pci_remove_one,
Tejun Heo438ac6d2007-03-02 17:31:26 +0900700#ifdef CONFIG_PM
Alanc3041932006-11-27 16:21:24 +0000701 .suspend = ata_pci_device_suspend,
702 .resume = amd_reinit_one,
Tejun Heo438ac6d2007-03-02 17:31:26 +0900703#endif
Jeff Garzik669a5db2006-08-29 18:12:40 -0400704};
705
706static int __init amd_init(void)
707{
708 return pci_register_driver(&amd_pci_driver);
709}
710
711static void __exit amd_exit(void)
712{
713 pci_unregister_driver(&amd_pci_driver);
714}
715
Jeff Garzik669a5db2006-08-29 18:12:40 -0400716MODULE_AUTHOR("Alan Cox");
717MODULE_DESCRIPTION("low-level driver for AMD PATA IDE");
718MODULE_LICENSE("GPL");
719MODULE_DEVICE_TABLE(pci, amd);
720MODULE_VERSION(DRV_VERSION);
721
722module_init(amd_init);
723module_exit(amd_exit);