Commit | Line | Data |
---|---|---|
669a5db4 JG |
1 | /* |
2 | * pata_amd.c - AMD PATA for new ATA layer | |
3 | * (C) 2005-2006 Red Hat Inc | |
669a5db4 JG |
4 | * |
5 | * Based on pata-sil680. Errata information is taken from data sheets | |
6 | * and the amd74xx.c driver by Vojtech Pavlik. Nvidia SATA devices are | |
7 | * claimed by sata-nv.c. | |
8 | * | |
9 | * TODO: | |
10 | * Variable system clock when/if it makes sense | |
11 | * Power management on ports | |
12 | * | |
13 | * | |
14 | * Documentation publically available. | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/module.h> | |
19 | #include <linux/pci.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/blkdev.h> | |
22 | #include <linux/delay.h> | |
23 | #include <scsi/scsi_host.h> | |
24 | #include <linux/libata.h> | |
25 | ||
26 | #define DRV_NAME "pata_amd" | |
c48052cc | 27 | #define DRV_VERSION "0.4.1" |
669a5db4 JG |
28 | |
29 | /** | |
30 | * timing_setup - shared timing computation and load | |
31 | * @ap: ATA port being set up | |
32 | * @adev: drive being configured | |
33 | * @offset: port offset | |
34 | * @speed: target speed | |
35 | * @clock: clock multiplier (number of times 33MHz for this part) | |
36 | * | |
37 | * Perform the actual timing set up for Nvidia or AMD PATA devices. | |
38 | * The actual devices vary so they all call into this helper function | |
39 | * providing the clock multipler and offset (because AMD and Nvidia put | |
40 | * the ports at different locations). | |
41 | */ | |
42 | ||
43 | static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offset, int speed, int clock) | |
44 | { | |
45 | static const unsigned char amd_cyc2udma[] = { | |
46 | 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 | |
47 | }; | |
48 | ||
49 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
50 | struct ata_device *peer = ata_dev_pair(adev); | |
51 | int dn = ap->port_no * 2 + adev->devno; | |
52 | struct ata_timing at, apeer; | |
53 | int T, UT; | |
54 | const int amd_clock = 33333; /* KHz. */ | |
55 | u8 t; | |
56 | ||
57 | T = 1000000000 / amd_clock; | |
d9c74fbe HH |
58 | UT = T; |
59 | if (clock >= 2) | |
60 | UT = T / 2; | |
669a5db4 JG |
61 | |
62 | if (ata_timing_compute(adev, speed, &at, T, UT) < 0) { | |
63 | dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed); | |
64 | return; | |
65 | } | |
66 | ||
67 | if (peer) { | |
68 | /* This may be over conservative */ | |
69 | if (peer->dma_mode) { | |
70 | ata_timing_compute(peer, peer->dma_mode, &apeer, T, UT); | |
71 | ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT); | |
72 | } | |
73 | ata_timing_compute(peer, peer->pio_mode, &apeer, T, UT); | |
74 | ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT); | |
75 | } | |
76 | ||
77 | if (speed == XFER_UDMA_5 && amd_clock <= 33333) at.udma = 1; | |
78 | if (speed == XFER_UDMA_6 && amd_clock <= 33333) at.udma = 15; | |
79 | ||
80 | /* | |
81 | * Now do the setup work | |
82 | */ | |
83 | ||
84 | /* Configure the address set up timing */ | |
85 | pci_read_config_byte(pdev, offset + 0x0C, &t); | |
07633b5d | 86 | t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(at.setup, 1, 4) - 1) << ((3 - dn) << 1)); |
669a5db4 JG |
87 | pci_write_config_byte(pdev, offset + 0x0C , t); |
88 | ||
89 | /* Configure the 8bit I/O timing */ | |
90 | pci_write_config_byte(pdev, offset + 0x0E + (1 - (dn >> 1)), | |
07633b5d | 91 | ((clamp_val(at.act8b, 1, 16) - 1) << 4) | (clamp_val(at.rec8b, 1, 16) - 1)); |
669a5db4 JG |
92 | |
93 | /* Drive timing */ | |
94 | pci_write_config_byte(pdev, offset + 0x08 + (3 - dn), | |
07633b5d | 95 | ((clamp_val(at.active, 1, 16) - 1) << 4) | (clamp_val(at.recover, 1, 16) - 1)); |
669a5db4 JG |
96 | |
97 | switch (clock) { | |
98 | case 1: | |
07633b5d | 99 | t = at.udma ? (0xc0 | (clamp_val(at.udma, 2, 5) - 2)) : 0x03; |
669a5db4 JG |
100 | break; |
101 | ||
102 | case 2: | |
07633b5d | 103 | t = at.udma ? (0xc0 | amd_cyc2udma[clamp_val(at.udma, 2, 10)]) : 0x03; |
669a5db4 JG |
104 | break; |
105 | ||
106 | case 3: | |
07633b5d | 107 | t = at.udma ? (0xc0 | amd_cyc2udma[clamp_val(at.udma, 1, 10)]) : 0x03; |
669a5db4 JG |
108 | break; |
109 | ||
110 | case 4: | |
07633b5d | 111 | t = at.udma ? (0xc0 | amd_cyc2udma[clamp_val(at.udma, 1, 15)]) : 0x03; |
669a5db4 JG |
112 | break; |
113 | ||
114 | default: | |
115 | return; | |
116 | } | |
117 | ||
118 | /* UDMA timing */ | |
943547ab BZ |
119 | if (at.udma) |
120 | pci_write_config_byte(pdev, offset + 0x10 + (3 - dn), t); | |
669a5db4 JG |
121 | } |
122 | ||
123 | /** | |
cc0680a5 TH |
124 | * amd_pre_reset - perform reset handling |
125 | * @link: ATA link | |
d4b2bab4 | 126 | * @deadline: deadline jiffies for the operation |
669a5db4 | 127 | * |
eb4a2c7f AC |
128 | * Reset sequence checking enable bits to see which ports are |
129 | * active. | |
669a5db4 JG |
130 | */ |
131 | ||
cc0680a5 | 132 | static int amd_pre_reset(struct ata_link *link, unsigned long deadline) |
669a5db4 | 133 | { |
669a5db4 JG |
134 | static const struct pci_bits amd_enable_bits[] = { |
135 | { 0x40, 1, 0x02, 0x02 }, | |
136 | { 0x40, 1, 0x01, 0x01 } | |
137 | }; | |
138 | ||
cc0680a5 | 139 | struct ata_port *ap = link->ap; |
669a5db4 | 140 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
85cd7251 | 141 | |
c961922b AC |
142 | if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no])) |
143 | return -ENOENT; | |
669a5db4 | 144 | |
9363c382 | 145 | return ata_sff_prereset(link, deadline); |
669a5db4 JG |
146 | } |
147 | ||
c48052cc AC |
148 | /** |
149 | * amd_cable_detect - report cable type | |
150 | * @ap: port | |
151 | * | |
152 | * AMD controller/BIOS setups record the cable type in word 0x42 | |
153 | */ | |
154 | ||
eb4a2c7f | 155 | static int amd_cable_detect(struct ata_port *ap) |
669a5db4 | 156 | { |
eb4a2c7f | 157 | static const u32 bitmask[2] = {0x03, 0x0C}; |
669a5db4 | 158 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
eb4a2c7f | 159 | u8 ata66; |
669a5db4 | 160 | |
eb4a2c7f AC |
161 | pci_read_config_byte(pdev, 0x42, &ata66); |
162 | if (ata66 & bitmask[ap->port_no]) | |
163 | return ATA_CBL_PATA80; | |
164 | return ATA_CBL_PATA40; | |
669a5db4 JG |
165 | } |
166 | ||
c48052cc AC |
167 | /** |
168 | * amd_fifo_setup - set the PIO FIFO for ATA/ATAPI | |
169 | * @ap: ATA interface | |
170 | * @adev: ATA device | |
171 | * | |
172 | * Set the PCI fifo for this device according to the devices present | |
173 | * on the bus at this point in time. We need to turn the post write buffer | |
174 | * off for ATAPI devices as we may need to issue a word sized write to the | |
175 | * device as the final I/O | |
176 | */ | |
177 | ||
178 | static void amd_fifo_setup(struct ata_port *ap) | |
179 | { | |
180 | struct ata_device *adev; | |
181 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
182 | static const u8 fifobit[2] = { 0xC0, 0x30}; | |
183 | u8 fifo = fifobit[ap->port_no]; | |
184 | u8 r; | |
185 | ||
186 | ||
187 | ata_for_each_dev(adev, &ap->link, ENABLED) { | |
188 | if (adev->class == ATA_DEV_ATAPI) | |
189 | fifo = 0; | |
190 | } | |
191 | if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411) /* FIFO is broken */ | |
192 | fifo = 0; | |
193 | ||
194 | /* On the later chips the read prefetch bits become no-op bits */ | |
195 | pci_read_config_byte(pdev, 0x41, &r); | |
196 | r &= ~fifobit[ap->port_no]; | |
197 | r |= fifo; | |
198 | pci_write_config_byte(pdev, 0x41, r); | |
199 | } | |
200 | ||
669a5db4 JG |
201 | /** |
202 | * amd33_set_piomode - set initial PIO mode data | |
203 | * @ap: ATA interface | |
204 | * @adev: ATA device | |
205 | * | |
206 | * Program the AMD registers for PIO mode. | |
207 | */ | |
208 | ||
209 | static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
210 | { | |
c48052cc | 211 | amd_fifo_setup(ap); |
669a5db4 JG |
212 | timing_setup(ap, adev, 0x40, adev->pio_mode, 1); |
213 | } | |
214 | ||
215 | static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
216 | { | |
c48052cc | 217 | amd_fifo_setup(ap); |
669a5db4 JG |
218 | timing_setup(ap, adev, 0x40, adev->pio_mode, 2); |
219 | } | |
220 | ||
221 | static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
222 | { | |
c48052cc | 223 | amd_fifo_setup(ap); |
669a5db4 JG |
224 | timing_setup(ap, adev, 0x40, adev->pio_mode, 3); |
225 | } | |
226 | ||
227 | static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
228 | { | |
c48052cc | 229 | amd_fifo_setup(ap); |
669a5db4 JG |
230 | timing_setup(ap, adev, 0x40, adev->pio_mode, 4); |
231 | } | |
232 | ||
233 | /** | |
234 | * amd33_set_dmamode - set initial DMA mode data | |
235 | * @ap: ATA interface | |
236 | * @adev: ATA device | |
237 | * | |
238 | * Program the MWDMA/UDMA modes for the AMD and Nvidia | |
239 | * chipset. | |
240 | */ | |
241 | ||
242 | static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
243 | { | |
244 | timing_setup(ap, adev, 0x40, adev->dma_mode, 1); | |
245 | } | |
246 | ||
247 | static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
248 | { | |
249 | timing_setup(ap, adev, 0x40, adev->dma_mode, 2); | |
250 | } | |
251 | ||
252 | static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
253 | { | |
254 | timing_setup(ap, adev, 0x40, adev->dma_mode, 3); | |
255 | } | |
256 | ||
257 | static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
258 | { | |
259 | timing_setup(ap, adev, 0x40, adev->dma_mode, 4); | |
260 | } | |
261 | ||
ce54d161 TH |
262 | /* Both host-side and drive-side detection results are worthless on NV |
263 | * PATAs. Ignore them and just follow what BIOS configured. Both the | |
264 | * current configuration in PCI config reg and ACPI GTM result are | |
265 | * cached during driver attach and are consulted to select transfer | |
266 | * mode. | |
267 | */ | |
268 | static unsigned long nv_mode_filter(struct ata_device *dev, | |
269 | unsigned long xfer_mask) | |
270 | { | |
271 | static const unsigned int udma_mask_map[] = | |
272 | { ATA_UDMA2, ATA_UDMA1, ATA_UDMA0, 0, | |
273 | ATA_UDMA3, ATA_UDMA4, ATA_UDMA5, ATA_UDMA6 }; | |
274 | struct ata_port *ap = dev->link->ap; | |
275 | char acpi_str[32] = ""; | |
276 | u32 saved_udma, udma; | |
277 | const struct ata_acpi_gtm *gtm; | |
278 | unsigned long bios_limit = 0, acpi_limit = 0, limit; | |
279 | ||
280 | /* find out what BIOS configured */ | |
281 | udma = saved_udma = (unsigned long)ap->host->private_data; | |
282 | ||
283 | if (ap->port_no == 0) | |
284 | udma >>= 16; | |
285 | if (dev->devno == 0) | |
286 | udma >>= 8; | |
287 | ||
288 | if ((udma & 0xc0) == 0xc0) | |
289 | bios_limit = ata_pack_xfermask(0, 0, udma_mask_map[udma & 0x7]); | |
290 | ||
291 | /* consult ACPI GTM too */ | |
292 | gtm = ata_acpi_init_gtm(ap); | |
293 | if (gtm) { | |
294 | acpi_limit = ata_acpi_gtm_xfermask(dev, gtm); | |
295 | ||
296 | snprintf(acpi_str, sizeof(acpi_str), " (%u:%u:0x%x)", | |
297 | gtm->drive[0].dma, gtm->drive[1].dma, gtm->flags); | |
298 | } | |
299 | ||
300 | /* be optimistic, EH can take care of things if something goes wrong */ | |
301 | limit = bios_limit | acpi_limit; | |
302 | ||
303 | /* If PIO or DMA isn't configured at all, don't limit. Let EH | |
304 | * handle it. | |
305 | */ | |
306 | if (!(limit & ATA_MASK_PIO)) | |
307 | limit |= ATA_MASK_PIO; | |
308 | if (!(limit & (ATA_MASK_MWDMA | ATA_MASK_UDMA))) | |
309 | limit |= ATA_MASK_MWDMA | ATA_MASK_UDMA; | |
310 | ||
311 | ata_port_printk(ap, KERN_DEBUG, "nv_mode_filter: 0x%lx&0x%lx->0x%lx, " | |
312 | "BIOS=0x%lx (0x%x) ACPI=0x%lx%s\n", | |
313 | xfer_mask, limit, xfer_mask & limit, bios_limit, | |
314 | saved_udma, acpi_limit, acpi_str); | |
315 | ||
316 | return xfer_mask & limit; | |
317 | } | |
669a5db4 JG |
318 | |
319 | /** | |
320 | * nv_probe_init - cable detection | |
cc0680a5 | 321 | * @lin: ATA link |
669a5db4 JG |
322 | * |
323 | * Perform cable detection. The BIOS stores this in PCI config | |
324 | * space for us. | |
325 | */ | |
326 | ||
cc0680a5 | 327 | static int nv_pre_reset(struct ata_link *link, unsigned long deadline) |
d4b2bab4 | 328 | { |
76ff3c6e AC |
329 | static const struct pci_bits nv_enable_bits[] = { |
330 | { 0x50, 1, 0x02, 0x02 }, | |
331 | { 0x50, 1, 0x01, 0x01 } | |
332 | }; | |
669a5db4 | 333 | |
cc0680a5 | 334 | struct ata_port *ap = link->ap; |
669a5db4 | 335 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
669a5db4 | 336 | |
c961922b AC |
337 | if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no])) |
338 | return -ENOENT; | |
76ff3c6e | 339 | |
9363c382 | 340 | return ata_sff_prereset(link, deadline); |
669a5db4 JG |
341 | } |
342 | ||
669a5db4 JG |
343 | /** |
344 | * nv100_set_piomode - set initial PIO mode data | |
345 | * @ap: ATA interface | |
346 | * @adev: ATA device | |
347 | * | |
348 | * Program the AMD registers for PIO mode. | |
349 | */ | |
350 | ||
351 | static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
352 | { | |
353 | timing_setup(ap, adev, 0x50, adev->pio_mode, 3); | |
354 | } | |
355 | ||
356 | static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev) | |
357 | { | |
358 | timing_setup(ap, adev, 0x50, adev->pio_mode, 4); | |
359 | } | |
360 | ||
361 | /** | |
362 | * nv100_set_dmamode - set initial DMA mode data | |
363 | * @ap: ATA interface | |
364 | * @adev: ATA device | |
365 | * | |
366 | * Program the MWDMA/UDMA modes for the AMD and Nvidia | |
367 | * chipset. | |
368 | */ | |
369 | ||
370 | static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
371 | { | |
372 | timing_setup(ap, adev, 0x50, adev->dma_mode, 3); | |
373 | } | |
374 | ||
375 | static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev) | |
376 | { | |
377 | timing_setup(ap, adev, 0x50, adev->dma_mode, 4); | |
378 | } | |
379 | ||
ce54d161 TH |
380 | static void nv_host_stop(struct ata_host *host) |
381 | { | |
382 | u32 udma = (unsigned long)host->private_data; | |
383 | ||
384 | /* restore PCI config register 0x60 */ | |
385 | pci_write_config_dword(to_pci_dev(host->dev), 0x60, udma); | |
386 | } | |
387 | ||
669a5db4 | 388 | static struct scsi_host_template amd_sht = { |
68d1d07b | 389 | ATA_BMDMA_SHT(DRV_NAME), |
669a5db4 JG |
390 | }; |
391 | ||
029cfd6b | 392 | static const struct ata_port_operations amd_base_port_ops = { |
871af121 | 393 | .inherits = &ata_bmdma32_port_ops, |
887125e3 | 394 | .prereset = amd_pre_reset, |
029cfd6b TH |
395 | }; |
396 | ||
669a5db4 | 397 | static struct ata_port_operations amd33_port_ops = { |
029cfd6b TH |
398 | .inherits = &amd_base_port_ops, |
399 | .cable_detect = ata_cable_40wire, | |
669a5db4 JG |
400 | .set_piomode = amd33_set_piomode, |
401 | .set_dmamode = amd33_set_dmamode, | |
669a5db4 JG |
402 | }; |
403 | ||
404 | static struct ata_port_operations amd66_port_ops = { | |
029cfd6b TH |
405 | .inherits = &amd_base_port_ops, |
406 | .cable_detect = ata_cable_unknown, | |
669a5db4 JG |
407 | .set_piomode = amd66_set_piomode, |
408 | .set_dmamode = amd66_set_dmamode, | |
669a5db4 JG |
409 | }; |
410 | ||
411 | static struct ata_port_operations amd100_port_ops = { | |
029cfd6b TH |
412 | .inherits = &amd_base_port_ops, |
413 | .cable_detect = ata_cable_unknown, | |
669a5db4 JG |
414 | .set_piomode = amd100_set_piomode, |
415 | .set_dmamode = amd100_set_dmamode, | |
669a5db4 JG |
416 | }; |
417 | ||
418 | static struct ata_port_operations amd133_port_ops = { | |
029cfd6b TH |
419 | .inherits = &amd_base_port_ops, |
420 | .cable_detect = amd_cable_detect, | |
669a5db4 JG |
421 | .set_piomode = amd133_set_piomode, |
422 | .set_dmamode = amd133_set_dmamode, | |
029cfd6b | 423 | }; |
669a5db4 | 424 | |
029cfd6b TH |
425 | static const struct ata_port_operations nv_base_port_ops = { |
426 | .inherits = &ata_bmdma_port_ops, | |
427 | .cable_detect = ata_cable_ignore, | |
428 | .mode_filter = nv_mode_filter, | |
887125e3 | 429 | .prereset = nv_pre_reset, |
029cfd6b | 430 | .host_stop = nv_host_stop, |
669a5db4 JG |
431 | }; |
432 | ||
433 | static struct ata_port_operations nv100_port_ops = { | |
029cfd6b | 434 | .inherits = &nv_base_port_ops, |
669a5db4 JG |
435 | .set_piomode = nv100_set_piomode, |
436 | .set_dmamode = nv100_set_dmamode, | |
669a5db4 JG |
437 | }; |
438 | ||
439 | static struct ata_port_operations nv133_port_ops = { | |
029cfd6b | 440 | .inherits = &nv_base_port_ops, |
669a5db4 JG |
441 | .set_piomode = nv133_set_piomode, |
442 | .set_dmamode = nv133_set_dmamode, | |
669a5db4 JG |
443 | }; |
444 | ||
c48052cc AC |
445 | static void amd_clear_fifo(struct pci_dev *pdev) |
446 | { | |
447 | u8 fifo; | |
448 | /* Disable the FIFO, the FIFO logic will re-enable it as | |
449 | appropriate */ | |
450 | pci_read_config_byte(pdev, 0x41, &fifo); | |
451 | fifo &= 0x0F; | |
452 | pci_write_config_byte(pdev, 0x41, fifo); | |
453 | } | |
454 | ||
669a5db4 JG |
455 | static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
456 | { | |
1626aeb8 | 457 | static const struct ata_port_info info[10] = { |
14bdef98 | 458 | { /* 0: AMD 7401 - no swdma */ |
1d2808fd | 459 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
460 | .pio_mask = ATA_PIO4, |
461 | .mwdma_mask = ATA_MWDMA2, | |
462 | .udma_mask = ATA_UDMA2, | |
669a5db4 JG |
463 | .port_ops = &amd33_port_ops |
464 | }, | |
465 | { /* 1: Early AMD7409 - no swdma */ | |
1d2808fd | 466 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
467 | .pio_mask = ATA_PIO4, |
468 | .mwdma_mask = ATA_MWDMA2, | |
469 | .udma_mask = ATA_UDMA4, | |
669a5db4 JG |
470 | .port_ops = &amd66_port_ops |
471 | }, | |
14bdef98 | 472 | { /* 2: AMD 7409 */ |
1d2808fd | 473 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
474 | .pio_mask = ATA_PIO4, |
475 | .mwdma_mask = ATA_MWDMA2, | |
476 | .udma_mask = ATA_UDMA4, | |
669a5db4 JG |
477 | .port_ops = &amd66_port_ops |
478 | }, | |
479 | { /* 3: AMD 7411 */ | |
1d2808fd | 480 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
481 | .pio_mask = ATA_PIO4, |
482 | .mwdma_mask = ATA_MWDMA2, | |
483 | .udma_mask = ATA_UDMA5, | |
669a5db4 JG |
484 | .port_ops = &amd100_port_ops |
485 | }, | |
486 | { /* 4: AMD 7441 */ | |
1d2808fd | 487 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
488 | .pio_mask = ATA_PIO4, |
489 | .mwdma_mask = ATA_MWDMA2, | |
490 | .udma_mask = ATA_UDMA5, | |
669a5db4 JG |
491 | .port_ops = &amd100_port_ops |
492 | }, | |
14bdef98 | 493 | { /* 5: AMD 8111 - no swdma */ |
1d2808fd | 494 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
495 | .pio_mask = ATA_PIO4, |
496 | .mwdma_mask = ATA_MWDMA2, | |
497 | .udma_mask = ATA_UDMA6, | |
669a5db4 JG |
498 | .port_ops = &amd133_port_ops |
499 | }, | |
14bdef98 | 500 | { /* 6: AMD 8111 UDMA 100 (Serenade) - no swdma */ |
1d2808fd | 501 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
502 | .pio_mask = ATA_PIO4, |
503 | .mwdma_mask = ATA_MWDMA2, | |
504 | .udma_mask = ATA_UDMA5, | |
669a5db4 JG |
505 | .port_ops = &amd133_port_ops |
506 | }, | |
507 | { /* 7: Nvidia Nforce */ | |
1d2808fd | 508 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
509 | .pio_mask = ATA_PIO4, |
510 | .mwdma_mask = ATA_MWDMA2, | |
511 | .udma_mask = ATA_UDMA5, | |
669a5db4 JG |
512 | .port_ops = &nv100_port_ops |
513 | }, | |
14bdef98 | 514 | { /* 8: Nvidia Nforce2 and later - no swdma */ |
1d2808fd | 515 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
516 | .pio_mask = ATA_PIO4, |
517 | .mwdma_mask = ATA_MWDMA2, | |
518 | .udma_mask = ATA_UDMA6, | |
669a5db4 JG |
519 | .port_ops = &nv133_port_ops |
520 | }, | |
521 | { /* 9: AMD CS5536 (Geode companion) */ | |
1d2808fd | 522 | .flags = ATA_FLAG_SLAVE_POSS, |
14bdef98 EIB |
523 | .pio_mask = ATA_PIO4, |
524 | .mwdma_mask = ATA_MWDMA2, | |
525 | .udma_mask = ATA_UDMA5, | |
669a5db4 JG |
526 | .port_ops = &amd100_port_ops |
527 | } | |
528 | }; | |
887125e3 | 529 | const struct ata_port_info *ppi[] = { NULL, NULL }; |
669a5db4 JG |
530 | static int printed_version; |
531 | int type = id->driver_data; | |
887125e3 | 532 | void *hpriv = NULL; |
669a5db4 | 533 | u8 fifo; |
f08048e9 | 534 | int rc; |
669a5db4 JG |
535 | |
536 | if (!printed_version++) | |
537 | dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); | |
538 | ||
f08048e9 TH |
539 | rc = pcim_enable_device(pdev); |
540 | if (rc) | |
541 | return rc; | |
542 | ||
669a5db4 JG |
543 | pci_read_config_byte(pdev, 0x41, &fifo); |
544 | ||
545 | /* Check for AMD7409 without swdma errata and if found adjust type */ | |
44c10138 | 546 | if (type == 1 && pdev->revision > 0x7) |
669a5db4 JG |
547 | type = 2; |
548 | ||
ce54d161 TH |
549 | /* Serenade ? */ |
550 | if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD && | |
551 | pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) | |
552 | type = 6; /* UDMA 100 only */ | |
553 | ||
554 | /* | |
555 | * Okay, type is determined now. Apply type-specific workarounds. | |
556 | */ | |
887125e3 | 557 | ppi[0] = &info[type]; |
ce54d161 TH |
558 | |
559 | if (type < 3) | |
9363c382 | 560 | ata_pci_bmdma_clear_simplex(pdev); |
c48052cc AC |
561 | if (pdev->vendor == PCI_VENDOR_ID_AMD) |
562 | amd_clear_fifo(pdev); | |
ce54d161 TH |
563 | /* Cable detection on Nvidia chips doesn't work too well, |
564 | * cache BIOS programmed UDMA mode. | |
565 | */ | |
566 | if (type == 7 || type == 8) { | |
567 | u32 udma; | |
669a5db4 | 568 | |
ce54d161 | 569 | pci_read_config_dword(pdev, 0x60, &udma); |
887125e3 | 570 | hpriv = (void *)(unsigned long)udma; |
ce54d161 | 571 | } |
669a5db4 JG |
572 | |
573 | /* And fire it up */ | |
9363c382 | 574 | return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv); |
669a5db4 JG |
575 | } |
576 | ||
438ac6d5 | 577 | #ifdef CONFIG_PM |
c304193a A |
578 | static int amd_reinit_one(struct pci_dev *pdev) |
579 | { | |
f08048e9 TH |
580 | struct ata_host *host = dev_get_drvdata(&pdev->dev); |
581 | int rc; | |
582 | ||
583 | rc = ata_pci_device_do_resume(pdev); | |
584 | if (rc) | |
585 | return rc; | |
586 | ||
c304193a | 587 | if (pdev->vendor == PCI_VENDOR_ID_AMD) { |
c48052cc | 588 | amd_clear_fifo(pdev); |
c304193a A |
589 | if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 || |
590 | pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401) | |
9363c382 | 591 | ata_pci_bmdma_clear_simplex(pdev); |
c304193a | 592 | } |
f08048e9 TH |
593 | ata_host_resume(host); |
594 | return 0; | |
c304193a | 595 | } |
438ac6d5 | 596 | #endif |
c304193a | 597 | |
669a5db4 | 598 | static const struct pci_device_id amd[] = { |
2d2744fc JG |
599 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 }, |
600 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 }, | |
601 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 3 }, | |
602 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 4 }, | |
603 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 5 }, | |
604 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 7 }, | |
605 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 8 }, | |
606 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 8 }, | |
607 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 8 }, | |
608 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 8 }, | |
609 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 8 }, | |
610 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 8 }, | |
611 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 8 }, | |
612 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 8 }, | |
613 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 }, | |
05e2867a PC |
614 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 }, |
615 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 }, | |
9f789755 PC |
616 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 8 }, |
617 | { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 8 }, | |
2d2744fc JG |
618 | { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 }, |
619 | ||
620 | { }, | |
669a5db4 JG |
621 | }; |
622 | ||
623 | static struct pci_driver amd_pci_driver = { | |
2d2744fc | 624 | .name = DRV_NAME, |
669a5db4 JG |
625 | .id_table = amd, |
626 | .probe = amd_init_one, | |
c304193a | 627 | .remove = ata_pci_remove_one, |
438ac6d5 | 628 | #ifdef CONFIG_PM |
c304193a A |
629 | .suspend = ata_pci_device_suspend, |
630 | .resume = amd_reinit_one, | |
438ac6d5 | 631 | #endif |
669a5db4 JG |
632 | }; |
633 | ||
634 | static int __init amd_init(void) | |
635 | { | |
636 | return pci_register_driver(&amd_pci_driver); | |
637 | } | |
638 | ||
639 | static void __exit amd_exit(void) | |
640 | { | |
641 | pci_unregister_driver(&amd_pci_driver); | |
642 | } | |
643 | ||
669a5db4 | 644 | MODULE_AUTHOR("Alan Cox"); |
c9544bcb | 645 | MODULE_DESCRIPTION("low-level driver for AMD and Nvidia PATA IDE"); |
669a5db4 JG |
646 | MODULE_LICENSE("GPL"); |
647 | MODULE_DEVICE_TABLE(pci, amd); | |
648 | MODULE_VERSION(DRV_VERSION); | |
649 | ||
650 | module_init(amd_init); | |
651 | module_exit(amd_exit); |