]>
Commit | Line | Data |
---|---|---|
669a5db4 JG |
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" | |
943547ab | 28 | #define DRV_VERSION "0.3.10" |
669a5db4 JG |
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 | ||
44 | static 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 */ | |
943547ab BZ |
118 | if (at.udma) |
119 | pci_write_config_byte(pdev, offset + 0x10 + (3 - dn), t); | |
669a5db4 JG |
120 | } |
121 | ||
122 | /** | |
cc0680a5 TH |
123 | * amd_pre_reset - perform reset handling |
124 | * @link: ATA link | |
d4b2bab4 | 125 | * @deadline: deadline jiffies for the operation |
669a5db4 | 126 | * |
eb4a2c7f AC |
127 | * Reset sequence checking enable bits to see which ports are |
128 | * active. | |
669a5db4 JG |
129 | */ |
130 | ||
cc0680a5 | 131 | static int amd_pre_reset(struct ata_link *link, unsigned long deadline) |
669a5db4 | 132 | { |
669a5db4 JG |
133 | static const struct pci_bits amd_enable_bits[] = { |
134 | { 0x40, 1, 0x02, 0x02 }, | |
135 | { 0x40, 1, 0x01, 0x01 } | |
136 | }; | |
137 | ||
cc0680a5 | 138 | struct ata_port *ap = link->ap; |
669a5db4 | 139 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
85cd7251 | 140 | |
c961922b AC |
141 | if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no])) |
142 | return -ENOENT; | |
669a5db4 | 143 | |
cc0680a5 | 144 | return ata_std_prereset(link, deadline); |
669a5db4 JG |
145 | } |
146 | ||
147 | static void amd_error_handler(struct ata_port *ap) | |
148 | { | |
d98f88c2 HH |
149 | ata_bmdma_drive_eh(ap, amd_pre_reset, ata_std_softreset, NULL, |
150 | ata_std_postreset); | |
669a5db4 JG |
151 | } |
152 | ||
eb4a2c7f | 153 | static int amd_cable_detect(struct ata_port *ap) |
669a5db4 | 154 | { |
eb4a2c7f | 155 | static const u32 bitmask[2] = {0x03, 0x0C}; |
669a5db4 | 156 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
eb4a2c7f | 157 | u8 ata66; |
669a5db4 | 158 | |
eb4a2c7f AC |
159 | pci_read_config_byte(pdev, 0x42, &ata66); |
160 | if (ata66 & bitmask[ap->port_no]) | |
161 | return ATA_CBL_PATA80; | |
162 | return ATA_CBL_PATA40; | |
669a5db4 JG |
163 | } |
164 | ||
165 | /** | |
166 | * amd33_set_piomode - set initial PIO mode data | |
167 | * @ap: ATA interface | |
168 | * @adev: ATA device | |
169 | * | |
170 | * Program the AMD registers for PIO mode. | |
171 | */ | |
172 | ||
173 | static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
174 | { | |
175 | timing_setup(ap, adev, 0x40, adev->pio_mode, 1); | |
176 | } | |
177 | ||
178 | static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
179 | { | |
180 | timing_setup(ap, adev, 0x40, adev->pio_mode, 2); | |
181 | } | |
182 | ||
183 | static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
184 | { | |
185 | timing_setup(ap, adev, 0x40, adev->pio_mode, 3); | |
186 | } | |
187 | ||
188 | static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
189 | { | |
190 | timing_setup(ap, adev, 0x40, adev->pio_mode, 4); | |
191 | } | |
192 | ||
193 | /** | |
194 | * amd33_set_dmamode - set initial DMA mode data | |
195 | * @ap: ATA interface | |
196 | * @adev: ATA device | |
197 | * | |
198 | * Program the MWDMA/UDMA modes for the AMD and Nvidia | |
199 | * chipset. | |
200 | */ | |
201 | ||
202 | static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
203 | { | |
204 | timing_setup(ap, adev, 0x40, adev->dma_mode, 1); | |
205 | } | |
206 | ||
207 | static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
208 | { | |
209 | timing_setup(ap, adev, 0x40, adev->dma_mode, 2); | |
210 | } | |
211 | ||
212 | static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
213 | { | |
214 | timing_setup(ap, adev, 0x40, adev->dma_mode, 3); | |
215 | } | |
216 | ||
217 | static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
218 | { | |
219 | timing_setup(ap, adev, 0x40, adev->dma_mode, 4); | |
220 | } | |
221 | ||
ce54d161 TH |
222 | /* Both host-side and drive-side detection results are worthless on NV |
223 | * PATAs. Ignore them and just follow what BIOS configured. Both the | |
224 | * current configuration in PCI config reg and ACPI GTM result are | |
225 | * cached during driver attach and are consulted to select transfer | |
226 | * mode. | |
227 | */ | |
228 | static unsigned long nv_mode_filter(struct ata_device *dev, | |
229 | unsigned long xfer_mask) | |
230 | { | |
231 | static const unsigned int udma_mask_map[] = | |
232 | { ATA_UDMA2, ATA_UDMA1, ATA_UDMA0, 0, | |
233 | ATA_UDMA3, ATA_UDMA4, ATA_UDMA5, ATA_UDMA6 }; | |
234 | struct ata_port *ap = dev->link->ap; | |
235 | char acpi_str[32] = ""; | |
236 | u32 saved_udma, udma; | |
237 | const struct ata_acpi_gtm *gtm; | |
238 | unsigned long bios_limit = 0, acpi_limit = 0, limit; | |
239 | ||
240 | /* find out what BIOS configured */ | |
241 | udma = saved_udma = (unsigned long)ap->host->private_data; | |
242 | ||
243 | if (ap->port_no == 0) | |
244 | udma >>= 16; | |
245 | if (dev->devno == 0) | |
246 | udma >>= 8; | |
247 | ||
248 | if ((udma & 0xc0) == 0xc0) | |
249 | bios_limit = ata_pack_xfermask(0, 0, udma_mask_map[udma & 0x7]); | |
250 | ||
251 | /* consult ACPI GTM too */ | |
252 | gtm = ata_acpi_init_gtm(ap); | |
253 | if (gtm) { | |
254 | acpi_limit = ata_acpi_gtm_xfermask(dev, gtm); | |
255 | ||
256 | snprintf(acpi_str, sizeof(acpi_str), " (%u:%u:0x%x)", | |
257 | gtm->drive[0].dma, gtm->drive[1].dma, gtm->flags); | |
258 | } | |
259 | ||
260 | /* be optimistic, EH can take care of things if something goes wrong */ | |
261 | limit = bios_limit | acpi_limit; | |
262 | ||
263 | /* If PIO or DMA isn't configured at all, don't limit. Let EH | |
264 | * handle it. | |
265 | */ | |
266 | if (!(limit & ATA_MASK_PIO)) | |
267 | limit |= ATA_MASK_PIO; | |
268 | if (!(limit & (ATA_MASK_MWDMA | ATA_MASK_UDMA))) | |
269 | limit |= ATA_MASK_MWDMA | ATA_MASK_UDMA; | |
270 | ||
271 | ata_port_printk(ap, KERN_DEBUG, "nv_mode_filter: 0x%lx&0x%lx->0x%lx, " | |
272 | "BIOS=0x%lx (0x%x) ACPI=0x%lx%s\n", | |
273 | xfer_mask, limit, xfer_mask & limit, bios_limit, | |
274 | saved_udma, acpi_limit, acpi_str); | |
275 | ||
276 | return xfer_mask & limit; | |
277 | } | |
669a5db4 JG |
278 | |
279 | /** | |
280 | * nv_probe_init - cable detection | |
cc0680a5 | 281 | * @lin: ATA link |
669a5db4 JG |
282 | * |
283 | * Perform cable detection. The BIOS stores this in PCI config | |
284 | * space for us. | |
285 | */ | |
286 | ||
cc0680a5 | 287 | static int nv_pre_reset(struct ata_link *link, unsigned long deadline) |
d4b2bab4 | 288 | { |
76ff3c6e AC |
289 | static const struct pci_bits nv_enable_bits[] = { |
290 | { 0x50, 1, 0x02, 0x02 }, | |
291 | { 0x50, 1, 0x01, 0x01 } | |
292 | }; | |
669a5db4 | 293 | |
cc0680a5 | 294 | struct ata_port *ap = link->ap; |
669a5db4 | 295 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
669a5db4 | 296 | |
c961922b AC |
297 | if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no])) |
298 | return -ENOENT; | |
76ff3c6e | 299 | |
cc0680a5 | 300 | return ata_std_prereset(link, deadline); |
669a5db4 JG |
301 | } |
302 | ||
303 | static void nv_error_handler(struct ata_port *ap) | |
304 | { | |
305 | ata_bmdma_drive_eh(ap, nv_pre_reset, | |
306 | ata_std_softreset, NULL, | |
307 | ata_std_postreset); | |
308 | } | |
eb4a2c7f | 309 | |
669a5db4 JG |
310 | /** |
311 | * nv100_set_piomode - set initial PIO mode data | |
312 | * @ap: ATA interface | |
313 | * @adev: ATA device | |
314 | * | |
315 | * Program the AMD registers for PIO mode. | |
316 | */ | |
317 | ||
318 | static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
319 | { | |
320 | timing_setup(ap, adev, 0x50, adev->pio_mode, 3); | |
321 | } | |
322 | ||
323 | static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
324 | { | |
325 | timing_setup(ap, adev, 0x50, adev->pio_mode, 4); | |
326 | } | |
327 | ||
328 | /** | |
329 | * nv100_set_dmamode - set initial DMA mode data | |
330 | * @ap: ATA interface | |
331 | * @adev: ATA device | |
332 | * | |
333 | * Program the MWDMA/UDMA modes for the AMD and Nvidia | |
334 | * chipset. | |
335 | */ | |
336 | ||
337 | static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
338 | { | |
339 | timing_setup(ap, adev, 0x50, adev->dma_mode, 3); | |
340 | } | |
341 | ||
342 | static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
343 | { | |
344 | timing_setup(ap, adev, 0x50, adev->dma_mode, 4); | |
345 | } | |
346 | ||
ce54d161 TH |
347 | static void nv_host_stop(struct ata_host *host) |
348 | { | |
349 | u32 udma = (unsigned long)host->private_data; | |
350 | ||
351 | /* restore PCI config register 0x60 */ | |
352 | pci_write_config_dword(to_pci_dev(host->dev), 0x60, udma); | |
353 | } | |
354 | ||
669a5db4 | 355 | static struct scsi_host_template amd_sht = { |
68d1d07b | 356 | ATA_BMDMA_SHT(DRV_NAME), |
669a5db4 JG |
357 | }; |
358 | ||
359 | static struct ata_port_operations amd33_port_ops = { | |
669a5db4 JG |
360 | .set_piomode = amd33_set_piomode, |
361 | .set_dmamode = amd33_set_dmamode, | |
362 | .mode_filter = ata_pci_default_filter, | |
363 | .tf_load = ata_tf_load, | |
364 | .tf_read = ata_tf_read, | |
365 | .check_status = ata_check_status, | |
366 | .exec_command = ata_exec_command, | |
367 | .dev_select = ata_std_dev_select, | |
368 | ||
369 | .freeze = ata_bmdma_freeze, | |
370 | .thaw = ata_bmdma_thaw, | |
eb4a2c7f | 371 | .error_handler = amd_error_handler, |
669a5db4 | 372 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
eb4a2c7f | 373 | .cable_detect = ata_cable_40wire, |
669a5db4 JG |
374 | |
375 | .bmdma_setup = ata_bmdma_setup, | |
376 | .bmdma_start = ata_bmdma_start, | |
377 | .bmdma_stop = ata_bmdma_stop, | |
378 | .bmdma_status = ata_bmdma_status, | |
379 | ||
380 | .qc_prep = ata_qc_prep, | |
381 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 382 | |
0d5ff566 | 383 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
384 | |
385 | .irq_handler = ata_interrupt, | |
386 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 387 | .irq_on = ata_irq_on, |
669a5db4 | 388 | |
81ad1837 | 389 | .port_start = ata_sff_port_start, |
669a5db4 JG |
390 | }; |
391 | ||
392 | static struct ata_port_operations amd66_port_ops = { | |
669a5db4 JG |
393 | .set_piomode = amd66_set_piomode, |
394 | .set_dmamode = amd66_set_dmamode, | |
395 | .mode_filter = ata_pci_default_filter, | |
396 | .tf_load = ata_tf_load, | |
397 | .tf_read = ata_tf_read, | |
398 | .check_status = ata_check_status, | |
399 | .exec_command = ata_exec_command, | |
400 | .dev_select = ata_std_dev_select, | |
401 | ||
402 | .freeze = ata_bmdma_freeze, | |
403 | .thaw = ata_bmdma_thaw, | |
eb4a2c7f | 404 | .error_handler = amd_error_handler, |
669a5db4 | 405 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
eb4a2c7f | 406 | .cable_detect = ata_cable_unknown, |
669a5db4 JG |
407 | |
408 | .bmdma_setup = ata_bmdma_setup, | |
409 | .bmdma_start = ata_bmdma_start, | |
410 | .bmdma_stop = ata_bmdma_stop, | |
411 | .bmdma_status = ata_bmdma_status, | |
412 | ||
413 | .qc_prep = ata_qc_prep, | |
414 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 415 | |
0d5ff566 | 416 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
417 | |
418 | .irq_handler = ata_interrupt, | |
419 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 420 | .irq_on = ata_irq_on, |
669a5db4 | 421 | |
81ad1837 | 422 | .port_start = ata_sff_port_start, |
669a5db4 JG |
423 | }; |
424 | ||
425 | static struct ata_port_operations amd100_port_ops = { | |
669a5db4 JG |
426 | .set_piomode = amd100_set_piomode, |
427 | .set_dmamode = amd100_set_dmamode, | |
428 | .mode_filter = ata_pci_default_filter, | |
429 | .tf_load = ata_tf_load, | |
430 | .tf_read = ata_tf_read, | |
431 | .check_status = ata_check_status, | |
432 | .exec_command = ata_exec_command, | |
433 | .dev_select = ata_std_dev_select, | |
434 | ||
435 | .freeze = ata_bmdma_freeze, | |
436 | .thaw = ata_bmdma_thaw, | |
437 | .error_handler = amd_error_handler, | |
438 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
eb4a2c7f | 439 | .cable_detect = ata_cable_unknown, |
669a5db4 JG |
440 | |
441 | .bmdma_setup = ata_bmdma_setup, | |
442 | .bmdma_start = ata_bmdma_start, | |
443 | .bmdma_stop = ata_bmdma_stop, | |
444 | .bmdma_status = ata_bmdma_status, | |
445 | ||
446 | .qc_prep = ata_qc_prep, | |
447 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 448 | |
0d5ff566 | 449 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
450 | |
451 | .irq_handler = ata_interrupt, | |
452 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 453 | .irq_on = ata_irq_on, |
669a5db4 | 454 | |
81ad1837 | 455 | .port_start = ata_sff_port_start, |
669a5db4 JG |
456 | }; |
457 | ||
458 | static struct ata_port_operations amd133_port_ops = { | |
669a5db4 JG |
459 | .set_piomode = amd133_set_piomode, |
460 | .set_dmamode = amd133_set_dmamode, | |
461 | .mode_filter = ata_pci_default_filter, | |
462 | .tf_load = ata_tf_load, | |
463 | .tf_read = ata_tf_read, | |
464 | .check_status = ata_check_status, | |
465 | .exec_command = ata_exec_command, | |
466 | .dev_select = ata_std_dev_select, | |
467 | ||
468 | .freeze = ata_bmdma_freeze, | |
469 | .thaw = ata_bmdma_thaw, | |
470 | .error_handler = amd_error_handler, | |
471 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
eb4a2c7f | 472 | .cable_detect = amd_cable_detect, |
669a5db4 JG |
473 | |
474 | .bmdma_setup = ata_bmdma_setup, | |
475 | .bmdma_start = ata_bmdma_start, | |
476 | .bmdma_stop = ata_bmdma_stop, | |
477 | .bmdma_status = ata_bmdma_status, | |
478 | ||
479 | .qc_prep = ata_qc_prep, | |
480 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 481 | |
0d5ff566 | 482 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
483 | |
484 | .irq_handler = ata_interrupt, | |
485 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 486 | .irq_on = ata_irq_on, |
669a5db4 | 487 | |
81ad1837 | 488 | .port_start = ata_sff_port_start, |
669a5db4 JG |
489 | }; |
490 | ||
491 | static struct ata_port_operations nv100_port_ops = { | |
669a5db4 JG |
492 | .set_piomode = nv100_set_piomode, |
493 | .set_dmamode = nv100_set_dmamode, | |
669a5db4 JG |
494 | .tf_load = ata_tf_load, |
495 | .tf_read = ata_tf_read, | |
496 | .check_status = ata_check_status, | |
497 | .exec_command = ata_exec_command, | |
498 | .dev_select = ata_std_dev_select, | |
499 | ||
500 | .freeze = ata_bmdma_freeze, | |
501 | .thaw = ata_bmdma_thaw, | |
502 | .error_handler = nv_error_handler, | |
503 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
ce54d161 TH |
504 | .cable_detect = ata_cable_ignore, |
505 | .mode_filter = nv_mode_filter, | |
669a5db4 JG |
506 | |
507 | .bmdma_setup = ata_bmdma_setup, | |
508 | .bmdma_start = ata_bmdma_start, | |
509 | .bmdma_stop = ata_bmdma_stop, | |
510 | .bmdma_status = ata_bmdma_status, | |
511 | ||
512 | .qc_prep = ata_qc_prep, | |
513 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 514 | |
0d5ff566 | 515 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
516 | |
517 | .irq_handler = ata_interrupt, | |
518 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 519 | .irq_on = ata_irq_on, |
669a5db4 | 520 | |
81ad1837 | 521 | .port_start = ata_sff_port_start, |
ce54d161 | 522 | .host_stop = nv_host_stop, |
669a5db4 JG |
523 | }; |
524 | ||
525 | static struct ata_port_operations nv133_port_ops = { | |
669a5db4 JG |
526 | .set_piomode = nv133_set_piomode, |
527 | .set_dmamode = nv133_set_dmamode, | |
669a5db4 JG |
528 | .tf_load = ata_tf_load, |
529 | .tf_read = ata_tf_read, | |
530 | .check_status = ata_check_status, | |
531 | .exec_command = ata_exec_command, | |
532 | .dev_select = ata_std_dev_select, | |
533 | ||
534 | .freeze = ata_bmdma_freeze, | |
535 | .thaw = ata_bmdma_thaw, | |
536 | .error_handler = nv_error_handler, | |
537 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
ce54d161 TH |
538 | .cable_detect = ata_cable_ignore, |
539 | .mode_filter = nv_mode_filter, | |
669a5db4 JG |
540 | |
541 | .bmdma_setup = ata_bmdma_setup, | |
542 | .bmdma_start = ata_bmdma_start, | |
543 | .bmdma_stop = ata_bmdma_stop, | |
544 | .bmdma_status = ata_bmdma_status, | |
545 | ||
546 | .qc_prep = ata_qc_prep, | |
547 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 548 | |
0d5ff566 | 549 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
550 | |
551 | .irq_handler = ata_interrupt, | |
552 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 553 | .irq_on = ata_irq_on, |
669a5db4 | 554 | |
81ad1837 | 555 | .port_start = ata_sff_port_start, |
ce54d161 | 556 | .host_stop = nv_host_stop, |
669a5db4 JG |
557 | }; |
558 | ||
559 | static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
560 | { | |
1626aeb8 | 561 | static const struct ata_port_info info[10] = { |
669a5db4 JG |
562 | { /* 0: AMD 7401 */ |
563 | .sht = &amd_sht, | |
1d2808fd | 564 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
565 | .pio_mask = 0x1f, |
566 | .mwdma_mask = 0x07, /* No SWDMA */ | |
567 | .udma_mask = 0x07, /* UDMA 33 */ | |
568 | .port_ops = &amd33_port_ops | |
569 | }, | |
570 | { /* 1: Early AMD7409 - no swdma */ | |
571 | .sht = &amd_sht, | |
1d2808fd | 572 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
573 | .pio_mask = 0x1f, |
574 | .mwdma_mask = 0x07, | |
bf6263a8 | 575 | .udma_mask = ATA_UDMA4, /* UDMA 66 */ |
669a5db4 JG |
576 | .port_ops = &amd66_port_ops |
577 | }, | |
578 | { /* 2: AMD 7409, no swdma errata */ | |
579 | .sht = &amd_sht, | |
1d2808fd | 580 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
581 | .pio_mask = 0x1f, |
582 | .mwdma_mask = 0x07, | |
bf6263a8 | 583 | .udma_mask = ATA_UDMA4, /* UDMA 66 */ |
669a5db4 JG |
584 | .port_ops = &amd66_port_ops |
585 | }, | |
586 | { /* 3: AMD 7411 */ | |
587 | .sht = &amd_sht, | |
1d2808fd | 588 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
589 | .pio_mask = 0x1f, |
590 | .mwdma_mask = 0x07, | |
bf6263a8 | 591 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
592 | .port_ops = &amd100_port_ops |
593 | }, | |
594 | { /* 4: AMD 7441 */ | |
595 | .sht = &amd_sht, | |
1d2808fd | 596 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
597 | .pio_mask = 0x1f, |
598 | .mwdma_mask = 0x07, | |
bf6263a8 | 599 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
600 | .port_ops = &amd100_port_ops |
601 | }, | |
602 | { /* 5: AMD 8111*/ | |
603 | .sht = &amd_sht, | |
1d2808fd | 604 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
605 | .pio_mask = 0x1f, |
606 | .mwdma_mask = 0x07, | |
bf6263a8 | 607 | .udma_mask = ATA_UDMA6, /* UDMA 133, no swdma */ |
669a5db4 JG |
608 | .port_ops = &amd133_port_ops |
609 | }, | |
610 | { /* 6: AMD 8111 UDMA 100 (Serenade) */ | |
611 | .sht = &amd_sht, | |
1d2808fd | 612 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
613 | .pio_mask = 0x1f, |
614 | .mwdma_mask = 0x07, | |
bf6263a8 | 615 | .udma_mask = ATA_UDMA5, /* UDMA 100, no swdma */ |
669a5db4 JG |
616 | .port_ops = &amd133_port_ops |
617 | }, | |
618 | { /* 7: Nvidia Nforce */ | |
619 | .sht = &amd_sht, | |
1d2808fd | 620 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
621 | .pio_mask = 0x1f, |
622 | .mwdma_mask = 0x07, | |
bf6263a8 | 623 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
624 | .port_ops = &nv100_port_ops |
625 | }, | |
626 | { /* 8: Nvidia Nforce2 and later */ | |
627 | .sht = &amd_sht, | |
1d2808fd | 628 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
629 | .pio_mask = 0x1f, |
630 | .mwdma_mask = 0x07, | |
bf6263a8 | 631 | .udma_mask = ATA_UDMA6, /* UDMA 133, no swdma */ |
669a5db4 JG |
632 | .port_ops = &nv133_port_ops |
633 | }, | |
634 | { /* 9: AMD CS5536 (Geode companion) */ | |
635 | .sht = &amd_sht, | |
1d2808fd | 636 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
637 | .pio_mask = 0x1f, |
638 | .mwdma_mask = 0x07, | |
bf6263a8 | 639 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
640 | .port_ops = &amd100_port_ops |
641 | } | |
642 | }; | |
ce54d161 TH |
643 | struct ata_port_info pi; |
644 | const struct ata_port_info *ppi[] = { &pi, NULL }; | |
669a5db4 JG |
645 | static int printed_version; |
646 | int type = id->driver_data; | |
669a5db4 | 647 | u8 fifo; |
f08048e9 | 648 | int rc; |
669a5db4 JG |
649 | |
650 | if (!printed_version++) | |
651 | dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); | |
652 | ||
f08048e9 TH |
653 | rc = pcim_enable_device(pdev); |
654 | if (rc) | |
655 | return rc; | |
656 | ||
669a5db4 JG |
657 | pci_read_config_byte(pdev, 0x41, &fifo); |
658 | ||
659 | /* Check for AMD7409 without swdma errata and if found adjust type */ | |
44c10138 | 660 | if (type == 1 && pdev->revision > 0x7) |
669a5db4 JG |
661 | type = 2; |
662 | ||
ce54d161 TH |
663 | /* Serenade ? */ |
664 | if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD && | |
665 | pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) | |
666 | type = 6; /* UDMA 100 only */ | |
667 | ||
668 | /* | |
669 | * Okay, type is determined now. Apply type-specific workarounds. | |
670 | */ | |
671 | pi = info[type]; | |
672 | ||
673 | if (type < 3) | |
674 | ata_pci_clear_simplex(pdev); | |
675 | ||
669a5db4 JG |
676 | /* Check for AMD7411 */ |
677 | if (type == 3) | |
678 | /* FIFO is broken */ | |
679 | pci_write_config_byte(pdev, 0x41, fifo & 0x0F); | |
680 | else | |
681 | pci_write_config_byte(pdev, 0x41, fifo | 0xF0); | |
682 | ||
ce54d161 TH |
683 | /* Cable detection on Nvidia chips doesn't work too well, |
684 | * cache BIOS programmed UDMA mode. | |
685 | */ | |
686 | if (type == 7 || type == 8) { | |
687 | u32 udma; | |
669a5db4 | 688 | |
ce54d161 TH |
689 | pci_read_config_dword(pdev, 0x60, &udma); |
690 | pi.private_data = (void *)(unsigned long)udma; | |
691 | } | |
669a5db4 JG |
692 | |
693 | /* And fire it up */ | |
1626aeb8 | 694 | return ata_pci_init_one(pdev, ppi); |
669a5db4 JG |
695 | } |
696 | ||
438ac6d5 | 697 | #ifdef CONFIG_PM |
c304193a AC |
698 | static int amd_reinit_one(struct pci_dev *pdev) |
699 | { | |
f08048e9 TH |
700 | struct ata_host *host = dev_get_drvdata(&pdev->dev); |
701 | int rc; | |
702 | ||
703 | rc = ata_pci_device_do_resume(pdev); | |
704 | if (rc) | |
705 | return rc; | |
706 | ||
c304193a AC |
707 | if (pdev->vendor == PCI_VENDOR_ID_AMD) { |
708 | u8 fifo; | |
709 | pci_read_config_byte(pdev, 0x41, &fifo); | |
710 | if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411) | |
711 | /* FIFO is broken */ | |
712 | pci_write_config_byte(pdev, 0x41, fifo & 0x0F); | |
713 | else | |
714 | pci_write_config_byte(pdev, 0x41, fifo | 0xF0); | |
715 | if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 || | |
716 | pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401) | |
717 | ata_pci_clear_simplex(pdev); | |
718 | } | |
f08048e9 TH |
719 | |
720 | ata_host_resume(host); | |
721 | return 0; | |
c304193a | 722 | } |
438ac6d5 | 723 | #endif |
c304193a | 724 | |
669a5db4 | 725 | static const struct pci_device_id amd[] = { |
2d2744fc JG |
726 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 }, |
727 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 }, | |
728 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 3 }, | |
729 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 4 }, | |
730 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 5 }, | |
731 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 7 }, | |
732 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 8 }, | |
733 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 8 }, | |
734 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 8 }, | |
735 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 8 }, | |
736 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 8 }, | |
737 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 8 }, | |
738 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 8 }, | |
739 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 8 }, | |
740 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 }, | |
05e2867a PC |
741 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 }, |
742 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 }, | |
9f789755 PC |
743 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 8 }, |
744 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 8 }, | |
2d2744fc JG |
745 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 }, |
746 | ||
747 | { }, | |
669a5db4 JG |
748 | }; |
749 | ||
750 | static struct pci_driver amd_pci_driver = { | |
2d2744fc | 751 | .name = DRV_NAME, |
669a5db4 JG |
752 | .id_table = amd, |
753 | .probe = amd_init_one, | |
c304193a | 754 | .remove = ata_pci_remove_one, |
438ac6d5 | 755 | #ifdef CONFIG_PM |
c304193a AC |
756 | .suspend = ata_pci_device_suspend, |
757 | .resume = amd_reinit_one, | |
438ac6d5 | 758 | #endif |
669a5db4 JG |
759 | }; |
760 | ||
761 | static int __init amd_init(void) | |
762 | { | |
763 | return pci_register_driver(&amd_pci_driver); | |
764 | } | |
765 | ||
766 | static void __exit amd_exit(void) | |
767 | { | |
768 | pci_unregister_driver(&amd_pci_driver); | |
769 | } | |
770 | ||
669a5db4 | 771 | MODULE_AUTHOR("Alan Cox"); |
c9544bcb | 772 | MODULE_DESCRIPTION("low-level driver for AMD and Nvidia PATA IDE"); |
669a5db4 JG |
773 | MODULE_LICENSE("GPL"); |
774 | MODULE_DEVICE_TABLE(pci, amd); | |
775 | MODULE_VERSION(DRV_VERSION); | |
776 | ||
777 | module_init(amd_init); | |
778 | module_exit(amd_exit); |