Commit | Line | Data |
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669a5db4 JG |
1 | /* |
2 | * pata_sis.c - SiS ATA driver | |
3 | * | |
4 | * (C) 2005 Red Hat <alan@redhat.com> | |
4761c06c | 5 | * (C) 2007 Bartlomiej Zolnierkiewicz |
669a5db4 JG |
6 | * |
7 | * Based upon linux/drivers/ide/pci/sis5513.c | |
8 | * Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org> | |
9 | * Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@inet6.fr>, Maintainer | |
10 | * Copyright (C) 2003 Vojtech Pavlik <vojtech@suse.cz> | |
11 | * SiS Taiwan : for direct support and hardware. | |
12 | * Daniela Engert : for initial ATA100 advices and numerous others. | |
13 | * John Fremlin, Manfred Spraul, Dave Morgan, Peter Kjellerstedt : | |
14 | * for checking code correctness, providing patches. | |
15 | * Original tests and design on the SiS620 chipset. | |
16 | * ATA100 tests and design on the SiS735 chipset. | |
17 | * ATA16/33 support from specs | |
18 | * ATA133 support for SiS961/962 by L.C. Chang <lcchang@sis.com.tw> | |
19 | * | |
20 | * | |
21 | * TODO | |
22 | * Check MWDMA on drives that don't support MWDMA speed pio cycles ? | |
23 | * More Testing | |
24 | */ | |
25 | ||
26 | #include <linux/kernel.h> | |
27 | #include <linux/module.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/blkdev.h> | |
31 | #include <linux/delay.h> | |
32 | #include <linux/device.h> | |
33 | #include <scsi/scsi_host.h> | |
34 | #include <linux/libata.h> | |
35 | #include <linux/ata.h> | |
4bb64fb9 | 36 | #include "sis.h" |
669a5db4 JG |
37 | |
38 | #define DRV_NAME "pata_sis" | |
4761c06c | 39 | #define DRV_VERSION "0.5.2" |
669a5db4 JG |
40 | |
41 | struct sis_chipset { | |
1626aeb8 TH |
42 | u16 device; /* PCI host ID */ |
43 | const struct ata_port_info *info; /* Info block */ | |
669a5db4 JG |
44 | /* Probably add family, cable detect type etc here to clean |
45 | up code later */ | |
46 | }; | |
47 | ||
7dcbc1f2 JJ |
48 | struct sis_laptop { |
49 | u16 device; | |
50 | u16 subvendor; | |
51 | u16 subdevice; | |
52 | }; | |
53 | ||
54 | static const struct sis_laptop sis_laptop[] = { | |
55 | /* devid, subvendor, subdev */ | |
56 | { 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */ | |
4f2d47cf | 57 | { 0x5513, 0x1734, 0x105F }, /* FSC Amilo A1630 */ |
1f71d067 | 58 | { 0x5513, 0x1071, 0x8640 }, /* EasyNote K5305 */ |
7dcbc1f2 JJ |
59 | /* end marker */ |
60 | { 0, } | |
61 | }; | |
62 | ||
63 | static int sis_short_ata40(struct pci_dev *dev) | |
64 | { | |
65 | const struct sis_laptop *lap = &sis_laptop[0]; | |
66 | ||
67 | while (lap->device) { | |
68 | if (lap->device == dev->device && | |
69 | lap->subvendor == dev->subsystem_vendor && | |
70 | lap->subdevice == dev->subsystem_device) | |
71 | return 1; | |
72 | lap++; | |
73 | } | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
669a5db4 | 78 | /** |
dd668d15 | 79 | * sis_old_port_base - return PCI configuration base for dev |
669a5db4 JG |
80 | * @adev: device |
81 | * | |
82 | * Returns the base of the PCI configuration registers for this port | |
83 | * number. | |
84 | */ | |
85 | ||
dd668d15 | 86 | static int sis_old_port_base(struct ata_device *adev) |
669a5db4 | 87 | { |
9af5c9c9 | 88 | return 0x40 + (4 * adev->link->ap->port_no) + (2 * adev->devno); |
669a5db4 JG |
89 | } |
90 | ||
91 | /** | |
2e413f51 | 92 | * sis_133_cable_detect - check for 40/80 pin |
669a5db4 | 93 | * @ap: Port |
d4b2bab4 | 94 | * @deadline: deadline jiffies for the operation |
669a5db4 JG |
95 | * |
96 | * Perform cable detection for the later UDMA133 capable | |
97 | * SiS chipset. | |
98 | */ | |
99 | ||
2e413f51 | 100 | static int sis_133_cable_detect(struct ata_port *ap) |
669a5db4 | 101 | { |
669a5db4 JG |
102 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
103 | u16 tmp; | |
104 | ||
669a5db4 JG |
105 | /* The top bit of this register is the cable detect bit */ |
106 | pci_read_config_word(pdev, 0x50 + 2 * ap->port_no, &tmp); | |
7dcbc1f2 | 107 | if ((tmp & 0x8000) && !sis_short_ata40(pdev)) |
2e413f51 AC |
108 | return ATA_CBL_PATA40; |
109 | return ATA_CBL_PATA80; | |
669a5db4 JG |
110 | } |
111 | ||
112 | /** | |
2e413f51 | 113 | * sis_66_cable_detect - check for 40/80 pin |
669a5db4 | 114 | * @ap: Port |
d4b2bab4 | 115 | * @deadline: deadline jiffies for the operation |
669a5db4 JG |
116 | * |
117 | * Perform cable detection on the UDMA66, UDMA100 and early UDMA133 | |
118 | * SiS IDE controllers. | |
119 | */ | |
120 | ||
2e413f51 | 121 | static int sis_66_cable_detect(struct ata_port *ap) |
669a5db4 | 122 | { |
669a5db4 JG |
123 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
124 | u8 tmp; | |
125 | ||
669a5db4 JG |
126 | /* Older chips keep cable detect in bits 4/5 of reg 0x48 */ |
127 | pci_read_config_byte(pdev, 0x48, &tmp); | |
128 | tmp >>= ap->port_no; | |
7dcbc1f2 | 129 | if ((tmp & 0x10) && !sis_short_ata40(pdev)) |
2e413f51 AC |
130 | return ATA_CBL_PATA40; |
131 | return ATA_CBL_PATA80; | |
669a5db4 JG |
132 | } |
133 | ||
669a5db4 JG |
134 | |
135 | /** | |
2e413f51 | 136 | * sis_pre_reset - probe begin |
cc0680a5 | 137 | * @link: ATA link |
d4b2bab4 | 138 | * @deadline: deadline jiffies for the operation |
669a5db4 JG |
139 | * |
140 | * Set up cable type and use generic probe init | |
141 | */ | |
142 | ||
cc0680a5 | 143 | static int sis_pre_reset(struct ata_link *link, unsigned long deadline) |
669a5db4 JG |
144 | { |
145 | static const struct pci_bits sis_enable_bits[] = { | |
146 | { 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */ | |
147 | { 0x4aU, 1U, 0x04UL, 0x04UL }, /* port 1 */ | |
148 | }; | |
85cd7251 | 149 | |
cc0680a5 | 150 | struct ata_port *ap = link->ap; |
669a5db4 JG |
151 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); |
152 | ||
2e413f51 AC |
153 | if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no])) |
154 | return -ENOENT; | |
d4b2bab4 | 155 | |
15ce0943 AC |
156 | /* Clear the FIFO settings. We can't enable the FIFO until |
157 | we know we are poking at a disk */ | |
158 | pci_write_config_byte(pdev, 0x4B, 0); | |
cc0680a5 | 159 | return ata_std_prereset(link, deadline); |
669a5db4 JG |
160 | } |
161 | ||
162 | ||
163 | /** | |
2e413f51 | 164 | * sis_error_handler - Probe specified port on PATA host controller |
669a5db4 JG |
165 | * @ap: Port to probe |
166 | * | |
167 | * LOCKING: | |
168 | * None (inherited from caller). | |
169 | */ | |
170 | ||
2e413f51 | 171 | static void sis_error_handler(struct ata_port *ap) |
669a5db4 | 172 | { |
2e413f51 | 173 | ata_bmdma_drive_eh(ap, sis_pre_reset, ata_std_softreset, NULL, ata_std_postreset); |
669a5db4 JG |
174 | } |
175 | ||
176 | /** | |
177 | * sis_set_fifo - Set RWP fifo bits for this device | |
178 | * @ap: Port | |
179 | * @adev: Device | |
180 | * | |
181 | * SIS chipsets implement prefetch/postwrite bits for each device | |
182 | * on both channels. This functionality is not ATAPI compatible and | |
183 | * must be configured according to the class of device present | |
184 | */ | |
185 | ||
186 | static void sis_set_fifo(struct ata_port *ap, struct ata_device *adev) | |
187 | { | |
188 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
189 | u8 fifoctrl; | |
190 | u8 mask = 0x11; | |
191 | ||
192 | mask <<= (2 * ap->port_no); | |
193 | mask <<= adev->devno; | |
194 | ||
195 | /* This holds various bits including the FIFO control */ | |
196 | pci_read_config_byte(pdev, 0x4B, &fifoctrl); | |
197 | fifoctrl &= ~mask; | |
198 | ||
199 | /* Enable for ATA (disk) only */ | |
200 | if (adev->class == ATA_DEV_ATA) | |
201 | fifoctrl |= mask; | |
202 | pci_write_config_byte(pdev, 0x4B, fifoctrl); | |
203 | } | |
204 | ||
205 | /** | |
206 | * sis_old_set_piomode - Initialize host controller PATA PIO timings | |
207 | * @ap: Port whose timings we are configuring | |
208 | * @adev: Device we are configuring for. | |
209 | * | |
210 | * Set PIO mode for device, in host controller PCI config space. This | |
211 | * function handles PIO set up for all chips that are pre ATA100 and | |
212 | * also early ATA100 devices. | |
213 | * | |
214 | * LOCKING: | |
215 | * None (inherited from caller). | |
216 | */ | |
217 | ||
218 | static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev) | |
219 | { | |
220 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
dd668d15 | 221 | int port = sis_old_port_base(adev); |
669a5db4 JG |
222 | u8 t1, t2; |
223 | int speed = adev->pio_mode - XFER_PIO_0; | |
224 | ||
225 | const u8 active[] = { 0x00, 0x07, 0x04, 0x03, 0x01 }; | |
226 | const u8 recovery[] = { 0x00, 0x06, 0x04, 0x03, 0x03 }; | |
227 | ||
228 | sis_set_fifo(ap, adev); | |
229 | ||
230 | pci_read_config_byte(pdev, port, &t1); | |
231 | pci_read_config_byte(pdev, port + 1, &t2); | |
232 | ||
233 | t1 &= ~0x0F; /* Clear active/recovery timings */ | |
234 | t2 &= ~0x07; | |
235 | ||
236 | t1 |= active[speed]; | |
237 | t2 |= recovery[speed]; | |
238 | ||
239 | pci_write_config_byte(pdev, port, t1); | |
240 | pci_write_config_byte(pdev, port + 1, t2); | |
241 | } | |
242 | ||
243 | /** | |
4761c06c | 244 | * sis_100_set_piomode - Initialize host controller PATA PIO timings |
669a5db4 JG |
245 | * @ap: Port whose timings we are configuring |
246 | * @adev: Device we are configuring for. | |
247 | * | |
248 | * Set PIO mode for device, in host controller PCI config space. This | |
249 | * function handles PIO set up for ATA100 devices and early ATA133. | |
250 | * | |
251 | * LOCKING: | |
252 | * None (inherited from caller). | |
253 | */ | |
254 | ||
255 | static void sis_100_set_piomode (struct ata_port *ap, struct ata_device *adev) | |
256 | { | |
257 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
dd668d15 | 258 | int port = sis_old_port_base(adev); |
669a5db4 JG |
259 | int speed = adev->pio_mode - XFER_PIO_0; |
260 | ||
261 | const u8 actrec[] = { 0x00, 0x67, 0x44, 0x33, 0x31 }; | |
262 | ||
263 | sis_set_fifo(ap, adev); | |
264 | ||
265 | pci_write_config_byte(pdev, port, actrec[speed]); | |
266 | } | |
267 | ||
268 | /** | |
4761c06c | 269 | * sis_133_set_piomode - Initialize host controller PATA PIO timings |
669a5db4 JG |
270 | * @ap: Port whose timings we are configuring |
271 | * @adev: Device we are configuring for. | |
272 | * | |
273 | * Set PIO mode for device, in host controller PCI config space. This | |
274 | * function handles PIO set up for the later ATA133 devices. | |
275 | * | |
276 | * LOCKING: | |
277 | * None (inherited from caller). | |
278 | */ | |
279 | ||
280 | static void sis_133_set_piomode (struct ata_port *ap, struct ata_device *adev) | |
281 | { | |
282 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
283 | int port = 0x40; | |
284 | u32 t1; | |
285 | u32 reg54; | |
286 | int speed = adev->pio_mode - XFER_PIO_0; | |
287 | ||
288 | const u32 timing133[] = { | |
289 | 0x28269000, /* Recovery << 24 | Act << 16 | Ini << 12 */ | |
290 | 0x0C266000, | |
291 | 0x04263000, | |
292 | 0x0C0A3000, | |
293 | 0x05093000 | |
294 | }; | |
295 | const u32 timing100[] = { | |
296 | 0x1E1C6000, /* Recovery << 24 | Act << 16 | Ini << 12 */ | |
297 | 0x091C4000, | |
298 | 0x031C2000, | |
299 | 0x09072000, | |
300 | 0x04062000 | |
301 | }; | |
302 | ||
303 | sis_set_fifo(ap, adev); | |
304 | ||
305 | /* If bit 14 is set then the registers are mapped at 0x70 not 0x40 */ | |
306 | pci_read_config_dword(pdev, 0x54, ®54); | |
307 | if (reg54 & 0x40000000) | |
308 | port = 0x70; | |
309 | port += 8 * ap->port_no + 4 * adev->devno; | |
310 | ||
311 | pci_read_config_dword(pdev, port, &t1); | |
312 | t1 &= 0xC0C00FFF; /* Mask out timing */ | |
313 | ||
314 | if (t1 & 0x08) /* 100 or 133 ? */ | |
315 | t1 |= timing133[speed]; | |
316 | else | |
317 | t1 |= timing100[speed]; | |
318 | pci_write_config_byte(pdev, port, t1); | |
319 | } | |
320 | ||
321 | /** | |
322 | * sis_old_set_dmamode - Initialize host controller PATA DMA timings | |
323 | * @ap: Port whose timings we are configuring | |
324 | * @adev: Device to program | |
325 | * | |
326 | * Set UDMA/MWDMA mode for device, in host controller PCI config space. | |
327 | * Handles pre UDMA and UDMA33 devices. Supports MWDMA as well unlike | |
328 | * the old ide/pci driver. | |
329 | * | |
330 | * LOCKING: | |
331 | * None (inherited from caller). | |
332 | */ | |
333 | ||
334 | static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev) | |
335 | { | |
336 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
337 | int speed = adev->dma_mode - XFER_MW_DMA_0; | |
dd668d15 | 338 | int drive_pci = sis_old_port_base(adev); |
669a5db4 JG |
339 | u16 timing; |
340 | ||
4761c06c | 341 | const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 }; |
669a5db4 JG |
342 | const u16 udma_bits[] = { 0xE000, 0xC000, 0xA000 }; |
343 | ||
344 | pci_read_config_word(pdev, drive_pci, &timing); | |
345 | ||
346 | if (adev->dma_mode < XFER_UDMA_0) { | |
347 | /* bits 3-0 hold recovery timing bits 8-10 active timing and | |
1967b7ff | 348 | the higher bits are dependant on the device */ |
4761c06c | 349 | timing &= ~0x870F; |
669a5db4 | 350 | timing |= mwdma_bits[speed]; |
669a5db4 JG |
351 | } else { |
352 | /* Bit 15 is UDMA on/off, bit 13-14 are cycle time */ | |
353 | speed = adev->dma_mode - XFER_UDMA_0; | |
354 | timing &= ~0x6000; | |
355 | timing |= udma_bits[speed]; | |
356 | } | |
4761c06c | 357 | pci_write_config_word(pdev, drive_pci, timing); |
669a5db4 JG |
358 | } |
359 | ||
360 | /** | |
361 | * sis_66_set_dmamode - Initialize host controller PATA DMA timings | |
362 | * @ap: Port whose timings we are configuring | |
363 | * @adev: Device to program | |
364 | * | |
365 | * Set UDMA/MWDMA mode for device, in host controller PCI config space. | |
366 | * Handles UDMA66 and early UDMA100 devices. Supports MWDMA as well unlike | |
367 | * the old ide/pci driver. | |
368 | * | |
369 | * LOCKING: | |
370 | * None (inherited from caller). | |
371 | */ | |
372 | ||
373 | static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) | |
374 | { | |
375 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
376 | int speed = adev->dma_mode - XFER_MW_DMA_0; | |
dd668d15 | 377 | int drive_pci = sis_old_port_base(adev); |
669a5db4 JG |
378 | u16 timing; |
379 | ||
edeb614c | 380 | /* MWDMA 0-2 and UDMA 0-5 */ |
4761c06c | 381 | const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 }; |
edeb614c | 382 | const u16 udma_bits[] = { 0xF000, 0xD000, 0xB000, 0xA000, 0x9000, 0x8000 }; |
669a5db4 JG |
383 | |
384 | pci_read_config_word(pdev, drive_pci, &timing); | |
385 | ||
386 | if (adev->dma_mode < XFER_UDMA_0) { | |
387 | /* bits 3-0 hold recovery timing bits 8-10 active timing and | |
1967b7ff | 388 | the higher bits are dependant on the device, bit 15 udma */ |
dd668d15 | 389 | timing &= ~0x870F; |
669a5db4 JG |
390 | timing |= mwdma_bits[speed]; |
391 | } else { | |
392 | /* Bit 15 is UDMA on/off, bit 12-14 are cycle time */ | |
393 | speed = adev->dma_mode - XFER_UDMA_0; | |
dd668d15 | 394 | timing &= ~0xF000; |
669a5db4 JG |
395 | timing |= udma_bits[speed]; |
396 | } | |
397 | pci_write_config_word(pdev, drive_pci, timing); | |
398 | } | |
399 | ||
400 | /** | |
401 | * sis_100_set_dmamode - Initialize host controller PATA DMA timings | |
402 | * @ap: Port whose timings we are configuring | |
403 | * @adev: Device to program | |
404 | * | |
405 | * Set UDMA/MWDMA mode for device, in host controller PCI config space. | |
406 | * Handles UDMA66 and early UDMA100 devices. | |
407 | * | |
408 | * LOCKING: | |
409 | * None (inherited from caller). | |
410 | */ | |
411 | ||
412 | static void sis_100_set_dmamode (struct ata_port *ap, struct ata_device *adev) | |
413 | { | |
414 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
415 | int speed = adev->dma_mode - XFER_MW_DMA_0; | |
dd668d15 AC |
416 | int drive_pci = sis_old_port_base(adev); |
417 | u8 timing; | |
669a5db4 | 418 | |
dd668d15 | 419 | const u8 udma_bits[] = { 0x8B, 0x87, 0x85, 0x83, 0x82, 0x81}; |
669a5db4 | 420 | |
dd668d15 | 421 | pci_read_config_byte(pdev, drive_pci + 1, &timing); |
669a5db4 JG |
422 | |
423 | if (adev->dma_mode < XFER_UDMA_0) { | |
424 | /* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */ | |
425 | } else { | |
dd668d15 | 426 | /* Bit 7 is UDMA on/off, bit 0-3 are cycle time */ |
669a5db4 | 427 | speed = adev->dma_mode - XFER_UDMA_0; |
dd668d15 | 428 | timing &= ~0x8F; |
669a5db4 JG |
429 | timing |= udma_bits[speed]; |
430 | } | |
dd668d15 | 431 | pci_write_config_byte(pdev, drive_pci + 1, timing); |
669a5db4 JG |
432 | } |
433 | ||
434 | /** | |
435 | * sis_133_early_set_dmamode - Initialize host controller PATA DMA timings | |
436 | * @ap: Port whose timings we are configuring | |
437 | * @adev: Device to program | |
438 | * | |
439 | * Set UDMA/MWDMA mode for device, in host controller PCI config space. | |
4761c06c | 440 | * Handles early SiS 961 bridges. |
669a5db4 JG |
441 | * |
442 | * LOCKING: | |
443 | * None (inherited from caller). | |
444 | */ | |
445 | ||
446 | static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *adev) | |
447 | { | |
448 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
449 | int speed = adev->dma_mode - XFER_MW_DMA_0; | |
dd668d15 AC |
450 | int drive_pci = sis_old_port_base(adev); |
451 | u8 timing; | |
452 | /* Low 4 bits are timing */ | |
453 | static const u8 udma_bits[] = { 0x8F, 0x8A, 0x87, 0x85, 0x83, 0x82, 0x81}; | |
669a5db4 | 454 | |
dd668d15 | 455 | pci_read_config_byte(pdev, drive_pci + 1, &timing); |
669a5db4 JG |
456 | |
457 | if (adev->dma_mode < XFER_UDMA_0) { | |
458 | /* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */ | |
459 | } else { | |
dd668d15 | 460 | /* Bit 7 is UDMA on/off, bit 0-3 are cycle time */ |
669a5db4 | 461 | speed = adev->dma_mode - XFER_UDMA_0; |
dd668d15 | 462 | timing &= ~0x8F; |
669a5db4 JG |
463 | timing |= udma_bits[speed]; |
464 | } | |
dd668d15 | 465 | pci_write_config_byte(pdev, drive_pci + 1, timing); |
669a5db4 JG |
466 | } |
467 | ||
468 | /** | |
469 | * sis_133_set_dmamode - Initialize host controller PATA DMA timings | |
470 | * @ap: Port whose timings we are configuring | |
471 | * @adev: Device to program | |
472 | * | |
473 | * Set UDMA/MWDMA mode for device, in host controller PCI config space. | |
669a5db4 JG |
474 | * |
475 | * LOCKING: | |
476 | * None (inherited from caller). | |
477 | */ | |
478 | ||
479 | static void sis_133_set_dmamode (struct ata_port *ap, struct ata_device *adev) | |
480 | { | |
481 | struct pci_dev *pdev = to_pci_dev(ap->host->dev); | |
482 | int speed = adev->dma_mode - XFER_MW_DMA_0; | |
483 | int port = 0x40; | |
484 | u32 t1; | |
485 | u32 reg54; | |
486 | ||
487 | /* bits 4- cycle time 8 - cvs time */ | |
2e413f51 AC |
488 | static const u32 timing_u100[] = { 0x6B0, 0x470, 0x350, 0x140, 0x120, 0x110, 0x000 }; |
489 | static const u32 timing_u133[] = { 0x9F0, 0x6A0, 0x470, 0x250, 0x230, 0x220, 0x210 }; | |
669a5db4 JG |
490 | |
491 | /* If bit 14 is set then the registers are mapped at 0x70 not 0x40 */ | |
492 | pci_read_config_dword(pdev, 0x54, ®54); | |
493 | if (reg54 & 0x40000000) | |
494 | port = 0x70; | |
495 | port += (8 * ap->port_no) + (4 * adev->devno); | |
496 | ||
497 | pci_read_config_dword(pdev, port, &t1); | |
498 | ||
499 | if (adev->dma_mode < XFER_UDMA_0) { | |
500 | t1 &= ~0x00000004; | |
501 | /* FIXME: need data sheet to add MWDMA here. Also lacking on | |
502 | ide/pci driver */ | |
503 | } else { | |
504 | speed = adev->dma_mode - XFER_UDMA_0; | |
505 | /* if & 8 no UDMA133 - need info for ... */ | |
506 | t1 &= ~0x00000FF0; | |
507 | t1 |= 0x00000004; | |
508 | if (t1 & 0x08) | |
509 | t1 |= timing_u133[speed]; | |
510 | else | |
511 | t1 |= timing_u100[speed]; | |
512 | } | |
513 | pci_write_config_dword(pdev, port, t1); | |
514 | } | |
515 | ||
516 | static struct scsi_host_template sis_sht = { | |
517 | .module = THIS_MODULE, | |
518 | .name = DRV_NAME, | |
519 | .ioctl = ata_scsi_ioctl, | |
520 | .queuecommand = ata_scsi_queuecmd, | |
521 | .can_queue = ATA_DEF_QUEUE, | |
522 | .this_id = ATA_SHT_THIS_ID, | |
523 | .sg_tablesize = LIBATA_MAX_PRD, | |
669a5db4 JG |
524 | .cmd_per_lun = ATA_SHT_CMD_PER_LUN, |
525 | .emulated = ATA_SHT_EMULATED, | |
526 | .use_clustering = ATA_SHT_USE_CLUSTERING, | |
527 | .proc_name = DRV_NAME, | |
528 | .dma_boundary = ATA_DMA_BOUNDARY, | |
529 | .slave_configure = ata_scsi_slave_config, | |
afdfe899 | 530 | .slave_destroy = ata_scsi_slave_destroy, |
669a5db4 JG |
531 | .bios_param = ata_std_bios_param, |
532 | }; | |
533 | ||
534 | static const struct ata_port_operations sis_133_ops = { | |
669a5db4 JG |
535 | .set_piomode = sis_133_set_piomode, |
536 | .set_dmamode = sis_133_set_dmamode, | |
537 | .mode_filter = ata_pci_default_filter, | |
538 | ||
539 | .tf_load = ata_tf_load, | |
540 | .tf_read = ata_tf_read, | |
541 | .check_status = ata_check_status, | |
542 | .exec_command = ata_exec_command, | |
543 | .dev_select = ata_std_dev_select, | |
544 | ||
545 | .freeze = ata_bmdma_freeze, | |
546 | .thaw = ata_bmdma_thaw, | |
2e413f51 | 547 | .error_handler = sis_error_handler, |
669a5db4 | 548 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
2e413f51 | 549 | .cable_detect = sis_133_cable_detect, |
669a5db4 JG |
550 | |
551 | .bmdma_setup = ata_bmdma_setup, | |
552 | .bmdma_start = ata_bmdma_start, | |
553 | .bmdma_stop = ata_bmdma_stop, | |
554 | .bmdma_status = ata_bmdma_status, | |
555 | .qc_prep = ata_qc_prep, | |
556 | .qc_issue = ata_qc_issue_prot, | |
0d5ff566 | 557 | .data_xfer = ata_data_xfer, |
669a5db4 | 558 | |
669a5db4 JG |
559 | .irq_handler = ata_interrupt, |
560 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 561 | .irq_on = ata_irq_on, |
669a5db4 | 562 | |
81ad1837 | 563 | .port_start = ata_sff_port_start, |
669a5db4 JG |
564 | }; |
565 | ||
a3cabb27 | 566 | static const struct ata_port_operations sis_133_for_sata_ops = { |
a3cabb27 UK |
567 | .set_piomode = sis_133_set_piomode, |
568 | .set_dmamode = sis_133_set_dmamode, | |
569 | .mode_filter = ata_pci_default_filter, | |
570 | ||
571 | .tf_load = ata_tf_load, | |
572 | .tf_read = ata_tf_read, | |
573 | .check_status = ata_check_status, | |
574 | .exec_command = ata_exec_command, | |
575 | .dev_select = ata_std_dev_select, | |
576 | ||
577 | .freeze = ata_bmdma_freeze, | |
578 | .thaw = ata_bmdma_thaw, | |
579 | .error_handler = ata_bmdma_error_handler, | |
580 | .post_internal_cmd = ata_bmdma_post_internal_cmd, | |
581 | .cable_detect = sis_133_cable_detect, | |
582 | ||
583 | .bmdma_setup = ata_bmdma_setup, | |
584 | .bmdma_start = ata_bmdma_start, | |
585 | .bmdma_stop = ata_bmdma_stop, | |
586 | .bmdma_status = ata_bmdma_status, | |
587 | .qc_prep = ata_qc_prep, | |
588 | .qc_issue = ata_qc_issue_prot, | |
589 | .data_xfer = ata_data_xfer, | |
590 | ||
591 | .irq_handler = ata_interrupt, | |
592 | .irq_clear = ata_bmdma_irq_clear, | |
593 | .irq_on = ata_irq_on, | |
a3cabb27 | 594 | |
81ad1837 | 595 | .port_start = ata_sff_port_start, |
a3cabb27 UK |
596 | }; |
597 | ||
669a5db4 | 598 | static const struct ata_port_operations sis_133_early_ops = { |
669a5db4 JG |
599 | .set_piomode = sis_100_set_piomode, |
600 | .set_dmamode = sis_133_early_set_dmamode, | |
601 | .mode_filter = ata_pci_default_filter, | |
602 | ||
603 | .tf_load = ata_tf_load, | |
604 | .tf_read = ata_tf_read, | |
605 | .check_status = ata_check_status, | |
606 | .exec_command = ata_exec_command, | |
607 | .dev_select = ata_std_dev_select, | |
608 | ||
609 | .freeze = ata_bmdma_freeze, | |
610 | .thaw = ata_bmdma_thaw, | |
2e413f51 | 611 | .error_handler = sis_error_handler, |
669a5db4 | 612 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
2e413f51 | 613 | .cable_detect = sis_66_cable_detect, |
85cd7251 | 614 | |
669a5db4 JG |
615 | .bmdma_setup = ata_bmdma_setup, |
616 | .bmdma_start = ata_bmdma_start, | |
617 | .bmdma_stop = ata_bmdma_stop, | |
618 | .bmdma_status = ata_bmdma_status, | |
619 | .qc_prep = ata_qc_prep, | |
620 | .qc_issue = ata_qc_issue_prot, | |
0d5ff566 | 621 | .data_xfer = ata_data_xfer, |
669a5db4 | 622 | |
669a5db4 JG |
623 | .irq_handler = ata_interrupt, |
624 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 625 | .irq_on = ata_irq_on, |
669a5db4 | 626 | |
81ad1837 | 627 | .port_start = ata_sff_port_start, |
669a5db4 JG |
628 | }; |
629 | ||
630 | static const struct ata_port_operations sis_100_ops = { | |
669a5db4 JG |
631 | .set_piomode = sis_100_set_piomode, |
632 | .set_dmamode = sis_100_set_dmamode, | |
633 | .mode_filter = ata_pci_default_filter, | |
634 | ||
635 | .tf_load = ata_tf_load, | |
636 | .tf_read = ata_tf_read, | |
637 | .check_status = ata_check_status, | |
638 | .exec_command = ata_exec_command, | |
639 | .dev_select = ata_std_dev_select, | |
640 | ||
641 | .freeze = ata_bmdma_freeze, | |
642 | .thaw = ata_bmdma_thaw, | |
2e413f51 | 643 | .error_handler = sis_error_handler, |
669a5db4 | 644 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
2e413f51 | 645 | .cable_detect = sis_66_cable_detect, |
669a5db4 JG |
646 | |
647 | .bmdma_setup = ata_bmdma_setup, | |
648 | .bmdma_start = ata_bmdma_start, | |
649 | .bmdma_stop = ata_bmdma_stop, | |
650 | .bmdma_status = ata_bmdma_status, | |
651 | .qc_prep = ata_qc_prep, | |
652 | .qc_issue = ata_qc_issue_prot, | |
0d5ff566 | 653 | .data_xfer = ata_data_xfer, |
669a5db4 | 654 | |
669a5db4 JG |
655 | .irq_handler = ata_interrupt, |
656 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 657 | .irq_on = ata_irq_on, |
669a5db4 | 658 | |
81ad1837 | 659 | .port_start = ata_sff_port_start, |
669a5db4 JG |
660 | }; |
661 | ||
662 | static const struct ata_port_operations sis_66_ops = { | |
669a5db4 JG |
663 | .set_piomode = sis_old_set_piomode, |
664 | .set_dmamode = sis_66_set_dmamode, | |
665 | .mode_filter = ata_pci_default_filter, | |
666 | ||
667 | .tf_load = ata_tf_load, | |
668 | .tf_read = ata_tf_read, | |
669 | .check_status = ata_check_status, | |
670 | .exec_command = ata_exec_command, | |
671 | .dev_select = ata_std_dev_select, | |
2e413f51 | 672 | .cable_detect = sis_66_cable_detect, |
669a5db4 JG |
673 | |
674 | .freeze = ata_bmdma_freeze, | |
675 | .thaw = ata_bmdma_thaw, | |
2e413f51 | 676 | .error_handler = sis_error_handler, |
669a5db4 JG |
677 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
678 | ||
679 | .bmdma_setup = ata_bmdma_setup, | |
680 | .bmdma_start = ata_bmdma_start, | |
681 | .bmdma_stop = ata_bmdma_stop, | |
682 | .bmdma_status = ata_bmdma_status, | |
683 | .qc_prep = ata_qc_prep, | |
684 | .qc_issue = ata_qc_issue_prot, | |
0d5ff566 | 685 | .data_xfer = ata_data_xfer, |
669a5db4 | 686 | |
669a5db4 JG |
687 | .irq_handler = ata_interrupt, |
688 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 689 | .irq_on = ata_irq_on, |
669a5db4 | 690 | |
81ad1837 | 691 | .port_start = ata_sff_port_start, |
669a5db4 JG |
692 | }; |
693 | ||
694 | static const struct ata_port_operations sis_old_ops = { | |
669a5db4 JG |
695 | .set_piomode = sis_old_set_piomode, |
696 | .set_dmamode = sis_old_set_dmamode, | |
697 | .mode_filter = ata_pci_default_filter, | |
698 | ||
699 | .tf_load = ata_tf_load, | |
700 | .tf_read = ata_tf_read, | |
701 | .check_status = ata_check_status, | |
702 | .exec_command = ata_exec_command, | |
703 | .dev_select = ata_std_dev_select, | |
704 | ||
705 | .freeze = ata_bmdma_freeze, | |
706 | .thaw = ata_bmdma_thaw, | |
2e413f51 | 707 | .error_handler = sis_error_handler, |
669a5db4 | 708 | .post_internal_cmd = ata_bmdma_post_internal_cmd, |
2e413f51 | 709 | .cable_detect = ata_cable_40wire, |
669a5db4 JG |
710 | |
711 | .bmdma_setup = ata_bmdma_setup, | |
712 | .bmdma_start = ata_bmdma_start, | |
713 | .bmdma_stop = ata_bmdma_stop, | |
714 | .bmdma_status = ata_bmdma_status, | |
715 | .qc_prep = ata_qc_prep, | |
716 | .qc_issue = ata_qc_issue_prot, | |
0d5ff566 | 717 | .data_xfer = ata_data_xfer, |
669a5db4 | 718 | |
669a5db4 JG |
719 | .irq_handler = ata_interrupt, |
720 | .irq_clear = ata_bmdma_irq_clear, | |
246ce3b6 | 721 | .irq_on = ata_irq_on, |
669a5db4 | 722 | |
81ad1837 | 723 | .port_start = ata_sff_port_start, |
669a5db4 JG |
724 | }; |
725 | ||
1626aeb8 | 726 | static const struct ata_port_info sis_info = { |
669a5db4 | 727 | .sht = &sis_sht, |
1d2808fd | 728 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
729 | .pio_mask = 0x1f, /* pio0-4 */ |
730 | .mwdma_mask = 0x07, | |
731 | .udma_mask = 0, | |
732 | .port_ops = &sis_old_ops, | |
733 | }; | |
1626aeb8 | 734 | static const struct ata_port_info sis_info33 = { |
669a5db4 | 735 | .sht = &sis_sht, |
1d2808fd | 736 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
737 | .pio_mask = 0x1f, /* pio0-4 */ |
738 | .mwdma_mask = 0x07, | |
739 | .udma_mask = ATA_UDMA2, /* UDMA 33 */ | |
740 | .port_ops = &sis_old_ops, | |
741 | }; | |
1626aeb8 | 742 | static const struct ata_port_info sis_info66 = { |
669a5db4 | 743 | .sht = &sis_sht, |
1d2808fd | 744 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
745 | .pio_mask = 0x1f, /* pio0-4 */ |
746 | .udma_mask = ATA_UDMA4, /* UDMA 66 */ | |
747 | .port_ops = &sis_66_ops, | |
748 | }; | |
1626aeb8 | 749 | static const struct ata_port_info sis_info100 = { |
669a5db4 | 750 | .sht = &sis_sht, |
1d2808fd | 751 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
752 | .pio_mask = 0x1f, /* pio0-4 */ |
753 | .udma_mask = ATA_UDMA5, | |
754 | .port_ops = &sis_100_ops, | |
755 | }; | |
1626aeb8 | 756 | static const struct ata_port_info sis_info100_early = { |
669a5db4 | 757 | .sht = &sis_sht, |
1d2808fd | 758 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
759 | .udma_mask = ATA_UDMA5, |
760 | .pio_mask = 0x1f, /* pio0-4 */ | |
761 | .port_ops = &sis_66_ops, | |
762 | }; | |
a3cabb27 | 763 | static const struct ata_port_info sis_info133 = { |
669a5db4 | 764 | .sht = &sis_sht, |
1d2808fd | 765 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
766 | .pio_mask = 0x1f, /* pio0-4 */ |
767 | .udma_mask = ATA_UDMA6, | |
768 | .port_ops = &sis_133_ops, | |
769 | }; | |
a3cabb27 UK |
770 | const struct ata_port_info sis_info133_for_sata = { |
771 | .sht = &sis_sht, | |
772 | .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, | |
773 | .pio_mask = 0x1f, /* pio0-4 */ | |
774 | .udma_mask = ATA_UDMA6, | |
775 | .port_ops = &sis_133_for_sata_ops, | |
776 | }; | |
1626aeb8 | 777 | static const struct ata_port_info sis_info133_early = { |
669a5db4 | 778 | .sht = &sis_sht, |
1d2808fd | 779 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
780 | .pio_mask = 0x1f, /* pio0-4 */ |
781 | .udma_mask = ATA_UDMA6, | |
782 | .port_ops = &sis_133_early_ops, | |
783 | }; | |
784 | ||
9b14dec5 | 785 | /* Privately shared with the SiS180 SATA driver, not for use elsewhere */ |
a3cabb27 | 786 | EXPORT_SYMBOL_GPL(sis_info133_for_sata); |
669a5db4 JG |
787 | |
788 | static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis) | |
789 | { | |
790 | u16 regw; | |
791 | u8 reg; | |
792 | ||
793 | if (sis->info == &sis_info133) { | |
794 | pci_read_config_word(pdev, 0x50, ®w); | |
795 | if (regw & 0x08) | |
796 | pci_write_config_word(pdev, 0x50, regw & ~0x08); | |
797 | pci_read_config_word(pdev, 0x52, ®w); | |
798 | if (regw & 0x08) | |
799 | pci_write_config_word(pdev, 0x52, regw & ~0x08); | |
800 | return; | |
801 | } | |
802 | ||
803 | if (sis->info == &sis_info133_early || sis->info == &sis_info100) { | |
804 | /* Fix up latency */ | |
805 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); | |
806 | /* Set compatibility bit */ | |
807 | pci_read_config_byte(pdev, 0x49, ®); | |
808 | if (!(reg & 0x01)) | |
809 | pci_write_config_byte(pdev, 0x49, reg | 0x01); | |
810 | return; | |
811 | } | |
812 | ||
813 | if (sis->info == &sis_info66 || sis->info == &sis_info100_early) { | |
814 | /* Fix up latency */ | |
815 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); | |
816 | /* Set compatibility bit */ | |
817 | pci_read_config_byte(pdev, 0x52, ®); | |
818 | if (!(reg & 0x04)) | |
819 | pci_write_config_byte(pdev, 0x52, reg | 0x04); | |
820 | return; | |
821 | } | |
822 | ||
823 | if (sis->info == &sis_info33) { | |
824 | pci_read_config_byte(pdev, PCI_CLASS_PROG, ®); | |
825 | if (( reg & 0x0F ) != 0x00) | |
826 | pci_write_config_byte(pdev, PCI_CLASS_PROG, reg & 0xF0); | |
827 | /* Fall through to ATA16 fixup below */ | |
828 | } | |
829 | ||
830 | if (sis->info == &sis_info || sis->info == &sis_info33) { | |
831 | /* force per drive recovery and active timings | |
832 | needed on ATA_33 and below chips */ | |
833 | pci_read_config_byte(pdev, 0x52, ®); | |
834 | if (!(reg & 0x08)) | |
835 | pci_write_config_byte(pdev, 0x52, reg|0x08); | |
836 | return; | |
837 | } | |
838 | ||
839 | BUG(); | |
840 | } | |
841 | ||
842 | /** | |
843 | * sis_init_one - Register SiS ATA PCI device with kernel services | |
844 | * @pdev: PCI device to register | |
845 | * @ent: Entry in sis_pci_tbl matching with @pdev | |
846 | * | |
847 | * Called from kernel PCI layer. We probe for combined mode (sigh), | |
848 | * and then hand over control to libata, for it to do the rest. | |
849 | * | |
850 | * LOCKING: | |
851 | * Inherited from PCI layer (may sleep). | |
852 | * | |
853 | * RETURNS: | |
854 | * Zero on success, or -ERRNO value. | |
855 | */ | |
856 | ||
857 | static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |
858 | { | |
859 | static int printed_version; | |
1626aeb8 TH |
860 | struct ata_port_info port; |
861 | const struct ata_port_info *ppi[] = { &port, NULL }; | |
669a5db4 JG |
862 | struct pci_dev *host = NULL; |
863 | struct sis_chipset *chipset = NULL; | |
f3769e9d | 864 | struct sis_chipset *sets; |
669a5db4 JG |
865 | |
866 | static struct sis_chipset sis_chipsets[] = { | |
f20b16ff | 867 | |
af323a2f AC |
868 | { 0x0968, &sis_info133 }, |
869 | { 0x0966, &sis_info133 }, | |
870 | { 0x0965, &sis_info133 }, | |
669a5db4 JG |
871 | { 0x0745, &sis_info100 }, |
872 | { 0x0735, &sis_info100 }, | |
873 | { 0x0733, &sis_info100 }, | |
874 | { 0x0635, &sis_info100 }, | |
875 | { 0x0633, &sis_info100 }, | |
876 | ||
877 | { 0x0730, &sis_info100_early }, /* 100 with ATA 66 layout */ | |
878 | { 0x0550, &sis_info100_early }, /* 100 with ATA 66 layout */ | |
879 | ||
880 | { 0x0640, &sis_info66 }, | |
881 | { 0x0630, &sis_info66 }, | |
882 | { 0x0620, &sis_info66 }, | |
883 | { 0x0540, &sis_info66 }, | |
884 | { 0x0530, &sis_info66 }, | |
885 | ||
886 | { 0x5600, &sis_info33 }, | |
887 | { 0x5598, &sis_info33 }, | |
888 | { 0x5597, &sis_info33 }, | |
889 | { 0x5591, &sis_info33 }, | |
890 | { 0x5582, &sis_info33 }, | |
891 | { 0x5581, &sis_info33 }, | |
892 | ||
893 | { 0x5596, &sis_info }, | |
894 | { 0x5571, &sis_info }, | |
895 | { 0x5517, &sis_info }, | |
896 | { 0x5511, &sis_info }, | |
897 | ||
898 | {0} | |
899 | }; | |
900 | static struct sis_chipset sis133_early = { | |
901 | 0x0, &sis_info133_early | |
902 | }; | |
903 | static struct sis_chipset sis133 = { | |
904 | 0x0, &sis_info133 | |
905 | }; | |
906 | static struct sis_chipset sis100_early = { | |
907 | 0x0, &sis_info100_early | |
908 | }; | |
909 | static struct sis_chipset sis100 = { | |
910 | 0x0, &sis_info100 | |
911 | }; | |
912 | ||
913 | if (!printed_version++) | |
914 | dev_printk(KERN_DEBUG, &pdev->dev, | |
915 | "version " DRV_VERSION "\n"); | |
916 | ||
917 | /* We have to find the bridge first */ | |
918 | ||
f3769e9d AC |
919 | for (sets = &sis_chipsets[0]; sets->device; sets++) { |
920 | host = pci_get_device(PCI_VENDOR_ID_SI, sets->device, NULL); | |
669a5db4 | 921 | if (host != NULL) { |
f3769e9d AC |
922 | chipset = sets; /* Match found */ |
923 | if (sets->device == 0x630) { /* SIS630 */ | |
44c10138 | 924 | if (host->revision >= 0x30) /* 630 ET */ |
669a5db4 JG |
925 | chipset = &sis100_early; |
926 | } | |
927 | break; | |
928 | } | |
929 | } | |
930 | ||
931 | /* Look for concealed bridges */ | |
f3769e9d | 932 | if (chipset == NULL) { |
669a5db4 JG |
933 | /* Second check */ |
934 | u32 idemisc; | |
935 | u16 trueid; | |
936 | ||
937 | /* Disable ID masking and register remapping then | |
938 | see what the real ID is */ | |
939 | ||
940 | pci_read_config_dword(pdev, 0x54, &idemisc); | |
941 | pci_write_config_dword(pdev, 0x54, idemisc & 0x7fffffff); | |
942 | pci_read_config_word(pdev, PCI_DEVICE_ID, &trueid); | |
943 | pci_write_config_dword(pdev, 0x54, idemisc); | |
944 | ||
945 | switch(trueid) { | |
946 | case 0x5518: /* SIS 962/963 */ | |
947 | chipset = &sis133; | |
948 | if ((idemisc & 0x40000000) == 0) { | |
949 | pci_write_config_dword(pdev, 0x54, idemisc | 0x40000000); | |
950 | printk(KERN_INFO "SIS5513: Switching to 5513 register mapping\n"); | |
951 | } | |
952 | break; | |
953 | case 0x0180: /* SIS 965/965L */ | |
954 | chipset = &sis133; | |
955 | break; | |
956 | case 0x1180: /* SIS 966/966L */ | |
957 | chipset = &sis133; | |
958 | break; | |
959 | } | |
960 | } | |
961 | ||
962 | /* Further check */ | |
963 | if (chipset == NULL) { | |
964 | struct pci_dev *lpc_bridge; | |
965 | u16 trueid; | |
966 | u8 prefctl; | |
967 | u8 idecfg; | |
669a5db4 JG |
968 | |
969 | /* Try the second unmasking technique */ | |
970 | pci_read_config_byte(pdev, 0x4a, &idecfg); | |
971 | pci_write_config_byte(pdev, 0x4a, idecfg | 0x10); | |
972 | pci_read_config_word(pdev, PCI_DEVICE_ID, &trueid); | |
973 | pci_write_config_byte(pdev, 0x4a, idecfg); | |
974 | ||
975 | switch(trueid) { | |
976 | case 0x5517: | |
977 | lpc_bridge = pci_get_slot(pdev->bus, 0x10); /* Bus 0 Dev 2 Fn 0 */ | |
978 | if (lpc_bridge == NULL) | |
979 | break; | |
669a5db4 JG |
980 | pci_read_config_byte(pdev, 0x49, &prefctl); |
981 | pci_dev_put(lpc_bridge); | |
982 | ||
44c10138 | 983 | if (lpc_bridge->revision == 0x10 && (prefctl & 0x80)) { |
669a5db4 JG |
984 | chipset = &sis133_early; |
985 | break; | |
986 | } | |
987 | chipset = &sis100; | |
988 | break; | |
989 | } | |
990 | } | |
991 | pci_dev_put(host); | |
992 | ||
993 | /* No chipset info, no support */ | |
994 | if (chipset == NULL) | |
995 | return -ENODEV; | |
996 | ||
1626aeb8 TH |
997 | port = *chipset->info; |
998 | port.private_data = chipset; | |
669a5db4 JG |
999 | |
1000 | sis_fixup(pdev, chipset); | |
1001 | ||
1626aeb8 | 1002 | return ata_pci_init_one(pdev, ppi); |
669a5db4 JG |
1003 | } |
1004 | ||
1005 | static const struct pci_device_id sis_pci_tbl[] = { | |
2d2744fc JG |
1006 | { PCI_VDEVICE(SI, 0x5513), }, /* SiS 5513 */ |
1007 | { PCI_VDEVICE(SI, 0x5518), }, /* SiS 5518 */ | |
a3cabb27 | 1008 | { PCI_VDEVICE(SI, 0x1180), }, /* SiS 1180 */ |
2d2744fc | 1009 | |
669a5db4 JG |
1010 | { } |
1011 | }; | |
1012 | ||
1013 | static struct pci_driver sis_pci_driver = { | |
1014 | .name = DRV_NAME, | |
1015 | .id_table = sis_pci_tbl, | |
1016 | .probe = sis_init_one, | |
1017 | .remove = ata_pci_remove_one, | |
438ac6d5 | 1018 | #ifdef CONFIG_PM |
62d64ae0 A |
1019 | .suspend = ata_pci_device_suspend, |
1020 | .resume = ata_pci_device_resume, | |
438ac6d5 | 1021 | #endif |
669a5db4 JG |
1022 | }; |
1023 | ||
1024 | static int __init sis_init(void) | |
1025 | { | |
1026 | return pci_register_driver(&sis_pci_driver); | |
1027 | } | |
1028 | ||
1029 | static void __exit sis_exit(void) | |
1030 | { | |
1031 | pci_unregister_driver(&sis_pci_driver); | |
1032 | } | |
1033 | ||
669a5db4 JG |
1034 | module_init(sis_init); |
1035 | module_exit(sis_exit); | |
1036 | ||
1037 | MODULE_AUTHOR("Alan Cox"); | |
1038 | MODULE_DESCRIPTION("SCSI low-level driver for SiS ATA"); | |
1039 | MODULE_LICENSE("GPL"); | |
1040 | MODULE_DEVICE_TABLE(pci, sis_pci_tbl); | |
1041 | MODULE_VERSION(DRV_VERSION); | |
1042 |