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 | { | |
149 | return ata_bmdma_drive_eh(ap, amd_pre_reset, | |
150 | ata_std_softreset, NULL, | |
151 | ata_std_postreset); | |
152 | } | |
153 | ||
eb4a2c7f | 154 | static int amd_cable_detect(struct ata_port *ap) |
669a5db4 | 155 | { |
eb4a2c7f | 156 | static const u32 bitmask[2] = {0x03, 0x0C}; |
669a5db4 | 157 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
eb4a2c7f | 158 | u8 ata66; |
669a5db4 | 159 | |
eb4a2c7f AC |
160 | pci_read_config_byte(pdev, 0x42, &ata66); |
161 | if (ata66 & bitmask[ap->port_no]) | |
162 | return ATA_CBL_PATA80; | |
163 | return ATA_CBL_PATA40; | |
669a5db4 JG |
164 | } |
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 | ||
174 | static 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 | ||
179 | static 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 | ||
184 | static 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 | ||
189 | static 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 | ||
203 | static 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 | ||
208 | static 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 | ||
213 | static 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 | ||
218 | static 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 | ||
ce54d161 TH |
223 | /* Both host-side and drive-side detection results are worthless on NV |
224 | * PATAs. Ignore them and just follow what BIOS configured. Both the | |
225 | * current configuration in PCI config reg and ACPI GTM result are | |
226 | * cached during driver attach and are consulted to select transfer | |
227 | * mode. | |
228 | */ | |
229 | static unsigned long nv_mode_filter(struct ata_device *dev, | |
230 | unsigned long xfer_mask) | |
231 | { | |
232 | static const unsigned int udma_mask_map[] = | |
233 | { ATA_UDMA2, ATA_UDMA1, ATA_UDMA0, 0, | |
234 | ATA_UDMA3, ATA_UDMA4, ATA_UDMA5, ATA_UDMA6 }; | |
235 | struct ata_port *ap = dev->link->ap; | |
236 | char acpi_str[32] = ""; | |
237 | u32 saved_udma, udma; | |
238 | const struct ata_acpi_gtm *gtm; | |
239 | unsigned long bios_limit = 0, acpi_limit = 0, limit; | |
240 | ||
241 | /* find out what BIOS configured */ | |
242 | udma = saved_udma = (unsigned long)ap->host->private_data; | |
243 | ||
244 | if (ap->port_no == 0) | |
245 | udma >>= 16; | |
246 | if (dev->devno == 0) | |
247 | udma >>= 8; | |
248 | ||
249 | if ((udma & 0xc0) == 0xc0) | |
250 | bios_limit = ata_pack_xfermask(0, 0, udma_mask_map[udma & 0x7]); | |
251 | ||
252 | /* consult ACPI GTM too */ | |
253 | gtm = ata_acpi_init_gtm(ap); | |
254 | if (gtm) { | |
255 | acpi_limit = ata_acpi_gtm_xfermask(dev, gtm); | |
256 | ||
257 | snprintf(acpi_str, sizeof(acpi_str), " (%u:%u:0x%x)", | |
258 | gtm->drive[0].dma, gtm->drive[1].dma, gtm->flags); | |
259 | } | |
260 | ||
261 | /* be optimistic, EH can take care of things if something goes wrong */ | |
262 | limit = bios_limit | acpi_limit; | |
263 | ||
264 | /* If PIO or DMA isn't configured at all, don't limit. Let EH | |
265 | * handle it. | |
266 | */ | |
267 | if (!(limit & ATA_MASK_PIO)) | |
268 | limit |= ATA_MASK_PIO; | |
269 | if (!(limit & (ATA_MASK_MWDMA | ATA_MASK_UDMA))) | |
270 | limit |= ATA_MASK_MWDMA | ATA_MASK_UDMA; | |
271 | ||
272 | ata_port_printk(ap, KERN_DEBUG, "nv_mode_filter: 0x%lx&0x%lx->0x%lx, " | |
273 | "BIOS=0x%lx (0x%x) ACPI=0x%lx%s\n", | |
274 | xfer_mask, limit, xfer_mask & limit, bios_limit, | |
275 | saved_udma, acpi_limit, acpi_str); | |
276 | ||
277 | return xfer_mask & limit; | |
278 | } | |
669a5db4 JG |
279 | |
280 | /** | |
281 | * nv_probe_init - cable detection | |
cc0680a5 | 282 | * @lin: ATA link |
669a5db4 JG |
283 | * |
284 | * Perform cable detection. The BIOS stores this in PCI config | |
285 | * space for us. | |
286 | */ | |
287 | ||
cc0680a5 | 288 | static int nv_pre_reset(struct ata_link *link, unsigned long deadline) |
d4b2bab4 | 289 | { |
76ff3c6e AC |
290 | static const struct pci_bits nv_enable_bits[] = { |
291 | { 0x50, 1, 0x02, 0x02 }, | |
292 | { 0x50, 1, 0x01, 0x01 } | |
293 | }; | |
669a5db4 | 294 | |
cc0680a5 | 295 | struct ata_port *ap = link->ap; |
669a5db4 | 296 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
669a5db4 | 297 | |
c961922b AC |
298 | if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no])) |
299 | return -ENOENT; | |
76ff3c6e | 300 | |
cc0680a5 | 301 | return ata_std_prereset(link, deadline); |
669a5db4 JG |
302 | } |
303 | ||
304 | static void nv_error_handler(struct ata_port *ap) | |
305 | { | |
306 | ata_bmdma_drive_eh(ap, nv_pre_reset, | |
307 | ata_std_softreset, NULL, | |
308 | ata_std_postreset); | |
309 | } | |
eb4a2c7f | 310 | |
669a5db4 JG |
311 | /** |
312 | * nv100_set_piomode - set initial PIO mode data | |
313 | * @ap: ATA interface | |
314 | * @adev: ATA device | |
315 | * | |
316 | * Program the AMD registers for PIO mode. | |
317 | */ | |
318 | ||
319 | static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
320 | { | |
321 | timing_setup(ap, adev, 0x50, adev->pio_mode, 3); | |
322 | } | |
323 | ||
324 | static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
325 | { | |
326 | timing_setup(ap, adev, 0x50, adev->pio_mode, 4); | |
327 | } | |
328 | ||
329 | /** | |
330 | * nv100_set_dmamode - set initial DMA mode data | |
331 | * @ap: ATA interface | |
332 | * @adev: ATA device | |
333 | * | |
334 | * Program the MWDMA/UDMA modes for the AMD and Nvidia | |
335 | * chipset. | |
336 | */ | |
337 | ||
338 | static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
339 | { | |
340 | timing_setup(ap, adev, 0x50, adev->dma_mode, 3); | |
341 | } | |
342 | ||
343 | static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
344 | { | |
345 | timing_setup(ap, adev, 0x50, adev->dma_mode, 4); | |
346 | } | |
347 | ||
ce54d161 TH |
348 | static void nv_host_stop(struct ata_host *host) |
349 | { | |
350 | u32 udma = (unsigned long)host->private_data; | |
351 | ||
352 | /* restore PCI config register 0x60 */ | |
353 | pci_write_config_dword(to_pci_dev(host->dev), 0x60, udma); | |
354 | } | |
355 | ||
669a5db4 JG |
356 | static struct scsi_host_template amd_sht = { |
357 | .module = THIS_MODULE, | |
358 | .name = DRV_NAME, | |
359 | .ioctl = ata_scsi_ioctl, | |
360 | .queuecommand = ata_scsi_queuecmd, | |
361 | .can_queue = ATA_DEF_QUEUE, | |
362 | .this_id = ATA_SHT_THIS_ID, | |
363 | .sg_tablesize = LIBATA_MAX_PRD, | |
669a5db4 JG |
364 | .cmd_per_lun = ATA_SHT_CMD_PER_LUN, |
365 | .emulated = ATA_SHT_EMULATED, | |
366 | .use_clustering = ATA_SHT_USE_CLUSTERING, | |
367 | .proc_name = DRV_NAME, | |
368 | .dma_boundary = ATA_DMA_BOUNDARY, | |
369 | .slave_configure = ata_scsi_slave_config, | |
afdfe899 | 370 | .slave_destroy = ata_scsi_slave_destroy, |
669a5db4 JG |
371 | .bios_param = ata_std_bios_param, |
372 | }; | |
373 | ||
374 | static struct ata_port_operations amd33_port_ops = { | |
669a5db4 JG |
375 | .set_piomode = amd33_set_piomode, |
376 | .set_dmamode = amd33_set_dmamode, | |
377 | .mode_filter = ata_pci_default_filter, | |
378 | .tf_load = ata_tf_load, | |
379 | .tf_read = ata_tf_read, | |
380 | .check_status = ata_check_status, | |
381 | .exec_command = ata_exec_command, | |
382 | .dev_select = ata_std_dev_select, | |
383 | ||
384 | .freeze = ata_bmdma_freeze, | |
385 | .thaw = ata_bmdma_thaw, | |
eb4a2c7f | 386 | .error_handler = amd_error_handler, |
669a5db4 | 387 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
eb4a2c7f | 388 | .cable_detect = ata_cable_40wire, |
669a5db4 JG |
389 | |
390 | .bmdma_setup = ata_bmdma_setup, | |
391 | .bmdma_start = ata_bmdma_start, | |
392 | .bmdma_stop = ata_bmdma_stop, | |
393 | .bmdma_status = ata_bmdma_status, | |
394 | ||
395 | .qc_prep = ata_qc_prep, | |
396 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 397 | |
0d5ff566 | 398 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
399 | |
400 | .irq_handler = ata_interrupt, | |
401 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 402 | .irq_on = ata_irq_on, |
669a5db4 | 403 | |
81ad1837 | 404 | .port_start = ata_sff_port_start, |
669a5db4 JG |
405 | }; |
406 | ||
407 | static struct ata_port_operations amd66_port_ops = { | |
669a5db4 JG |
408 | .set_piomode = amd66_set_piomode, |
409 | .set_dmamode = amd66_set_dmamode, | |
410 | .mode_filter = ata_pci_default_filter, | |
411 | .tf_load = ata_tf_load, | |
412 | .tf_read = ata_tf_read, | |
413 | .check_status = ata_check_status, | |
414 | .exec_command = ata_exec_command, | |
415 | .dev_select = ata_std_dev_select, | |
416 | ||
417 | .freeze = ata_bmdma_freeze, | |
418 | .thaw = ata_bmdma_thaw, | |
eb4a2c7f | 419 | .error_handler = amd_error_handler, |
669a5db4 | 420 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
eb4a2c7f | 421 | .cable_detect = ata_cable_unknown, |
669a5db4 JG |
422 | |
423 | .bmdma_setup = ata_bmdma_setup, | |
424 | .bmdma_start = ata_bmdma_start, | |
425 | .bmdma_stop = ata_bmdma_stop, | |
426 | .bmdma_status = ata_bmdma_status, | |
427 | ||
428 | .qc_prep = ata_qc_prep, | |
429 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 430 | |
0d5ff566 | 431 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
432 | |
433 | .irq_handler = ata_interrupt, | |
434 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 435 | .irq_on = ata_irq_on, |
669a5db4 | 436 | |
81ad1837 | 437 | .port_start = ata_sff_port_start, |
669a5db4 JG |
438 | }; |
439 | ||
440 | static struct ata_port_operations amd100_port_ops = { | |
669a5db4 JG |
441 | .set_piomode = amd100_set_piomode, |
442 | .set_dmamode = amd100_set_dmamode, | |
443 | .mode_filter = ata_pci_default_filter, | |
444 | .tf_load = ata_tf_load, | |
445 | .tf_read = ata_tf_read, | |
446 | .check_status = ata_check_status, | |
447 | .exec_command = ata_exec_command, | |
448 | .dev_select = ata_std_dev_select, | |
449 | ||
450 | .freeze = ata_bmdma_freeze, | |
451 | .thaw = ata_bmdma_thaw, | |
452 | .error_handler = amd_error_handler, | |
453 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
eb4a2c7f | 454 | .cable_detect = ata_cable_unknown, |
669a5db4 JG |
455 | |
456 | .bmdma_setup = ata_bmdma_setup, | |
457 | .bmdma_start = ata_bmdma_start, | |
458 | .bmdma_stop = ata_bmdma_stop, | |
459 | .bmdma_status = ata_bmdma_status, | |
460 | ||
461 | .qc_prep = ata_qc_prep, | |
462 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 463 | |
0d5ff566 | 464 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
465 | |
466 | .irq_handler = ata_interrupt, | |
467 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 468 | .irq_on = ata_irq_on, |
669a5db4 | 469 | |
81ad1837 | 470 | .port_start = ata_sff_port_start, |
669a5db4 JG |
471 | }; |
472 | ||
473 | static struct ata_port_operations amd133_port_ops = { | |
669a5db4 JG |
474 | .set_piomode = amd133_set_piomode, |
475 | .set_dmamode = amd133_set_dmamode, | |
476 | .mode_filter = ata_pci_default_filter, | |
477 | .tf_load = ata_tf_load, | |
478 | .tf_read = ata_tf_read, | |
479 | .check_status = ata_check_status, | |
480 | .exec_command = ata_exec_command, | |
481 | .dev_select = ata_std_dev_select, | |
482 | ||
483 | .freeze = ata_bmdma_freeze, | |
484 | .thaw = ata_bmdma_thaw, | |
485 | .error_handler = amd_error_handler, | |
486 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
eb4a2c7f | 487 | .cable_detect = amd_cable_detect, |
669a5db4 JG |
488 | |
489 | .bmdma_setup = ata_bmdma_setup, | |
490 | .bmdma_start = ata_bmdma_start, | |
491 | .bmdma_stop = ata_bmdma_stop, | |
492 | .bmdma_status = ata_bmdma_status, | |
493 | ||
494 | .qc_prep = ata_qc_prep, | |
495 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 496 | |
0d5ff566 | 497 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
498 | |
499 | .irq_handler = ata_interrupt, | |
500 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 501 | .irq_on = ata_irq_on, |
669a5db4 | 502 | |
81ad1837 | 503 | .port_start = ata_sff_port_start, |
669a5db4 JG |
504 | }; |
505 | ||
506 | static struct ata_port_operations nv100_port_ops = { | |
669a5db4 JG |
507 | .set_piomode = nv100_set_piomode, |
508 | .set_dmamode = nv100_set_dmamode, | |
509 | .mode_filter = ata_pci_default_filter, | |
510 | .tf_load = ata_tf_load, | |
511 | .tf_read = ata_tf_read, | |
512 | .check_status = ata_check_status, | |
513 | .exec_command = ata_exec_command, | |
514 | .dev_select = ata_std_dev_select, | |
515 | ||
516 | .freeze = ata_bmdma_freeze, | |
517 | .thaw = ata_bmdma_thaw, | |
518 | .error_handler = nv_error_handler, | |
519 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
ce54d161 TH |
520 | .cable_detect = ata_cable_ignore, |
521 | .mode_filter = nv_mode_filter, | |
669a5db4 JG |
522 | |
523 | .bmdma_setup = ata_bmdma_setup, | |
524 | .bmdma_start = ata_bmdma_start, | |
525 | .bmdma_stop = ata_bmdma_stop, | |
526 | .bmdma_status = ata_bmdma_status, | |
527 | ||
528 | .qc_prep = ata_qc_prep, | |
529 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 530 | |
0d5ff566 | 531 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
532 | |
533 | .irq_handler = ata_interrupt, | |
534 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 535 | .irq_on = ata_irq_on, |
669a5db4 | 536 | |
81ad1837 | 537 | .port_start = ata_sff_port_start, |
ce54d161 | 538 | .host_stop = nv_host_stop, |
669a5db4 JG |
539 | }; |
540 | ||
541 | static struct ata_port_operations nv133_port_ops = { | |
669a5db4 JG |
542 | .set_piomode = nv133_set_piomode, |
543 | .set_dmamode = nv133_set_dmamode, | |
544 | .mode_filter = ata_pci_default_filter, | |
545 | .tf_load = ata_tf_load, | |
546 | .tf_read = ata_tf_read, | |
547 | .check_status = ata_check_status, | |
548 | .exec_command = ata_exec_command, | |
549 | .dev_select = ata_std_dev_select, | |
550 | ||
551 | .freeze = ata_bmdma_freeze, | |
552 | .thaw = ata_bmdma_thaw, | |
553 | .error_handler = nv_error_handler, | |
554 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
ce54d161 TH |
555 | .cable_detect = ata_cable_ignore, |
556 | .mode_filter = nv_mode_filter, | |
669a5db4 JG |
557 | |
558 | .bmdma_setup = ata_bmdma_setup, | |
559 | .bmdma_start = ata_bmdma_start, | |
560 | .bmdma_stop = ata_bmdma_stop, | |
561 | .bmdma_status = ata_bmdma_status, | |
562 | ||
563 | .qc_prep = ata_qc_prep, | |
564 | .qc_issue = ata_qc_issue_prot, | |
bda30288 | 565 | |
0d5ff566 | 566 | .data_xfer = ata_data_xfer, |
669a5db4 JG |
567 | |
568 | .irq_handler = ata_interrupt, | |
569 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 570 | .irq_on = ata_irq_on, |
669a5db4 | 571 | |
81ad1837 | 572 | .port_start = ata_sff_port_start, |
ce54d161 | 573 | .host_stop = nv_host_stop, |
669a5db4 JG |
574 | }; |
575 | ||
576 | static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
577 | { | |
1626aeb8 | 578 | static const struct ata_port_info info[10] = { |
669a5db4 JG |
579 | { /* 0: AMD 7401 */ |
580 | .sht = &amd_sht, | |
1d2808fd | 581 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
582 | .pio_mask = 0x1f, |
583 | .mwdma_mask = 0x07, /* No SWDMA */ | |
584 | .udma_mask = 0x07, /* UDMA 33 */ | |
585 | .port_ops = &amd33_port_ops | |
586 | }, | |
587 | { /* 1: Early AMD7409 - no swdma */ | |
588 | .sht = &amd_sht, | |
1d2808fd | 589 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
590 | .pio_mask = 0x1f, |
591 | .mwdma_mask = 0x07, | |
bf6263a8 | 592 | .udma_mask = ATA_UDMA4, /* UDMA 66 */ |
669a5db4 JG |
593 | .port_ops = &amd66_port_ops |
594 | }, | |
595 | { /* 2: AMD 7409, no swdma errata */ | |
596 | .sht = &amd_sht, | |
1d2808fd | 597 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
598 | .pio_mask = 0x1f, |
599 | .mwdma_mask = 0x07, | |
bf6263a8 | 600 | .udma_mask = ATA_UDMA4, /* UDMA 66 */ |
669a5db4 JG |
601 | .port_ops = &amd66_port_ops |
602 | }, | |
603 | { /* 3: AMD 7411 */ | |
604 | .sht = &amd_sht, | |
1d2808fd | 605 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
606 | .pio_mask = 0x1f, |
607 | .mwdma_mask = 0x07, | |
bf6263a8 | 608 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
609 | .port_ops = &amd100_port_ops |
610 | }, | |
611 | { /* 4: AMD 7441 */ | |
612 | .sht = &amd_sht, | |
1d2808fd | 613 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
614 | .pio_mask = 0x1f, |
615 | .mwdma_mask = 0x07, | |
bf6263a8 | 616 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
617 | .port_ops = &amd100_port_ops |
618 | }, | |
619 | { /* 5: AMD 8111*/ | |
620 | .sht = &amd_sht, | |
1d2808fd | 621 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
622 | .pio_mask = 0x1f, |
623 | .mwdma_mask = 0x07, | |
bf6263a8 | 624 | .udma_mask = ATA_UDMA6, /* UDMA 133, no swdma */ |
669a5db4 JG |
625 | .port_ops = &amd133_port_ops |
626 | }, | |
627 | { /* 6: AMD 8111 UDMA 100 (Serenade) */ | |
628 | .sht = &amd_sht, | |
1d2808fd | 629 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
630 | .pio_mask = 0x1f, |
631 | .mwdma_mask = 0x07, | |
bf6263a8 | 632 | .udma_mask = ATA_UDMA5, /* UDMA 100, no swdma */ |
669a5db4 JG |
633 | .port_ops = &amd133_port_ops |
634 | }, | |
635 | { /* 7: Nvidia Nforce */ | |
636 | .sht = &amd_sht, | |
1d2808fd | 637 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
638 | .pio_mask = 0x1f, |
639 | .mwdma_mask = 0x07, | |
bf6263a8 | 640 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
641 | .port_ops = &nv100_port_ops |
642 | }, | |
643 | { /* 8: Nvidia Nforce2 and later */ | |
644 | .sht = &amd_sht, | |
1d2808fd | 645 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
646 | .pio_mask = 0x1f, |
647 | .mwdma_mask = 0x07, | |
bf6263a8 | 648 | .udma_mask = ATA_UDMA6, /* UDMA 133, no swdma */ |
669a5db4 JG |
649 | .port_ops = &nv133_port_ops |
650 | }, | |
651 | { /* 9: AMD CS5536 (Geode companion) */ | |
652 | .sht = &amd_sht, | |
1d2808fd | 653 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
654 | .pio_mask = 0x1f, |
655 | .mwdma_mask = 0x07, | |
bf6263a8 | 656 | .udma_mask = ATA_UDMA5, /* UDMA 100 */ |
669a5db4 JG |
657 | .port_ops = &amd100_port_ops |
658 | } | |
659 | }; | |
ce54d161 TH |
660 | struct ata_port_info pi; |
661 | const struct ata_port_info *ppi[] = { &pi, NULL }; | |
669a5db4 JG |
662 | static int printed_version; |
663 | int type = id->driver_data; | |
669a5db4 JG |
664 | u8 fifo; |
665 | ||
666 | if (!printed_version++) | |
667 | dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); | |
668 | ||
669a5db4 JG |
669 | pci_read_config_byte(pdev, 0x41, &fifo); |
670 | ||
671 | /* Check for AMD7409 without swdma errata and if found adjust type */ | |
44c10138 | 672 | if (type == 1 && pdev->revision > 0x7) |
669a5db4 JG |
673 | type = 2; |
674 | ||
ce54d161 TH |
675 | /* Serenade ? */ |
676 | if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD && | |
677 | pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) | |
678 | type = 6; /* UDMA 100 only */ | |
679 | ||
680 | /* | |
681 | * Okay, type is determined now. Apply type-specific workarounds. | |
682 | */ | |
683 | pi = info[type]; | |
684 | ||
685 | if (type < 3) | |
686 | ata_pci_clear_simplex(pdev); | |
687 | ||
669a5db4 JG |
688 | /* Check for AMD7411 */ |
689 | if (type == 3) | |
690 | /* FIFO is broken */ | |
691 | pci_write_config_byte(pdev, 0x41, fifo & 0x0F); | |
692 | else | |
693 | pci_write_config_byte(pdev, 0x41, fifo | 0xF0); | |
694 | ||
ce54d161 TH |
695 | /* Cable detection on Nvidia chips doesn't work too well, |
696 | * cache BIOS programmed UDMA mode. | |
697 | */ | |
698 | if (type == 7 || type == 8) { | |
699 | u32 udma; | |
669a5db4 | 700 | |
ce54d161 TH |
701 | pci_read_config_dword(pdev, 0x60, &udma); |
702 | pi.private_data = (void *)(unsigned long)udma; | |
703 | } | |
669a5db4 JG |
704 | |
705 | /* And fire it up */ | |
1626aeb8 | 706 | return ata_pci_init_one(pdev, ppi); |
669a5db4 JG |
707 | } |
708 | ||
438ac6d5 | 709 | #ifdef CONFIG_PM |
c304193a A |
710 | static int amd_reinit_one(struct pci_dev *pdev) |
711 | { | |
712 | if (pdev->vendor == PCI_VENDOR_ID_AMD) { | |
713 | u8 fifo; | |
714 | pci_read_config_byte(pdev, 0x41, &fifo); | |
715 | if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411) | |
716 | /* FIFO is broken */ | |
717 | pci_write_config_byte(pdev, 0x41, fifo & 0x0F); | |
718 | else | |
719 | pci_write_config_byte(pdev, 0x41, fifo | 0xF0); | |
720 | if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 || | |
721 | pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401) | |
722 | ata_pci_clear_simplex(pdev); | |
723 | } | |
724 | return ata_pci_device_resume(pdev); | |
725 | } | |
438ac6d5 | 726 | #endif |
c304193a | 727 | |
669a5db4 | 728 | static const struct pci_device_id amd[] = { |
2d2744fc JG |
729 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 }, |
730 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 }, | |
731 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 3 }, | |
732 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 4 }, | |
733 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 5 }, | |
734 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 7 }, | |
735 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 8 }, | |
736 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 8 }, | |
737 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 8 }, | |
738 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 8 }, | |
739 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 8 }, | |
740 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 8 }, | |
741 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 8 }, | |
742 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 8 }, | |
743 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 }, | |
05e2867a PC |
744 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 }, |
745 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 }, | |
9f789755 PC |
746 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 8 }, |
747 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 8 }, | |
2d2744fc JG |
748 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 }, |
749 | ||
750 | { }, | |
669a5db4 JG |
751 | }; |
752 | ||
753 | static struct pci_driver amd_pci_driver = { | |
2d2744fc | 754 | .name = DRV_NAME, |
669a5db4 JG |
755 | .id_table = amd, |
756 | .probe = amd_init_one, | |
c304193a | 757 | .remove = ata_pci_remove_one, |
438ac6d5 | 758 | #ifdef CONFIG_PM |
c304193a A |
759 | .suspend = ata_pci_device_suspend, |
760 | .resume = amd_reinit_one, | |
438ac6d5 | 761 | #endif |
669a5db4 JG |
762 | }; |
763 | ||
764 | static int __init amd_init(void) | |
765 | { | |
766 | return pci_register_driver(&amd_pci_driver); | |
767 | } | |
768 | ||
769 | static void __exit amd_exit(void) | |
770 | { | |
771 | pci_unregister_driver(&amd_pci_driver); | |
772 | } | |
773 | ||
669a5db4 JG |
774 | MODULE_AUTHOR("Alan Cox"); |
775 | MODULE_DESCRIPTION("low-level driver for AMD PATA IDE"); | |
776 | MODULE_LICENSE("GPL"); | |
777 | MODULE_DEVICE_TABLE(pci, amd); | |
778 | MODULE_VERSION(DRV_VERSION); | |
779 | ||
780 | module_init(amd_init); | |
781 | module_exit(amd_exit); |