Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * Copyright (C) 1998-2000 Michel Aubry, Maintainer |
3 | * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer | |
4 | * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer | |
5 | * | |
6 | * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org) | |
7 | * May be copied or modified under the terms of the GNU General Public License | |
ccd32e22 | 8 | * Copyright (C) 2002 Alan Cox |
1da177e4 | 9 | * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw> |
21b82477 | 10 | * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com> |
3c8cc8df | 11 | * Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz |
1da177e4 LT |
12 | * |
13 | * (U)DMA capable version of ali 1533/1543(C), 1535(D) | |
14 | * | |
15 | ********************************************************************** | |
16 | * 9/7/99 --Parts from the above author are included and need to be | |
17 | * converted into standard interface, once I finish the thought. | |
18 | * | |
19 | * Recent changes | |
20 | * Don't use LBA48 mode on ALi <= 0xC4 | |
21 | * Don't poke 0x79 with a non ALi northbridge | |
22 | * Don't flip undefined bits on newer chipsets (fix Fujitsu laptop hang) | |
23 | * Allow UDMA6 on revisions > 0xC4 | |
24 | * | |
25 | * Documentation | |
26 | * Chipset documentation available under NDA only | |
27 | * | |
28 | */ | |
29 | ||
1da177e4 LT |
30 | #include <linux/module.h> |
31 | #include <linux/types.h> | |
32 | #include <linux/kernel.h> | |
33 | #include <linux/pci.h> | |
1da177e4 LT |
34 | #include <linux/ide.h> |
35 | #include <linux/init.h> | |
95ba8c17 | 36 | #include <linux/dmi.h> |
1da177e4 LT |
37 | |
38 | #include <asm/io.h> | |
39 | ||
ced3ec8a BZ |
40 | #define DRV_NAME "alim15x3" |
41 | ||
1da177e4 LT |
42 | /* |
43 | * ALi devices are not plug in. Otherwise these static values would | |
44 | * need to go. They ought to go away anyway | |
45 | */ | |
46 | ||
47 | static u8 m5229_revision; | |
48 | static u8 chip_is_1543c_e; | |
49 | static struct pci_dev *isa_dev; | |
50 | ||
293f18ad BZ |
51 | static void ali_fifo_control(ide_hwif_t *hwif, ide_drive_t *drive, int on) |
52 | { | |
53 | struct pci_dev *pdev = to_pci_dev(hwif->dev); | |
54 | int pio_fifo = 0x54 + hwif->channel; | |
55 | u8 fifo; | |
56 | int shift = 4 * (drive->dn & 1); | |
57 | ||
58 | pci_read_config_byte(pdev, pio_fifo, &fifo); | |
59 | fifo &= ~(0x0F << shift); | |
60 | fifo |= (on << shift); | |
61 | pci_write_config_byte(pdev, pio_fifo, fifo); | |
62 | } | |
63 | ||
a345c785 | 64 | static void ali_program_timings(ide_hwif_t *hwif, ide_drive_t *drive, |
e4c7112b | 65 | struct ide_timing *t, u8 ultra) |
a345c785 BZ |
66 | { |
67 | struct pci_dev *dev = to_pci_dev(hwif->dev); | |
68 | int port = hwif->channel ? 0x5c : 0x58; | |
e4c7112b BZ |
69 | int udmat = 0x56 + hwif->channel; |
70 | u8 unit = drive->dn & 1, udma; | |
71 | int shift = 4 * unit; | |
72 | ||
73 | /* Set up the UDMA */ | |
74 | pci_read_config_byte(dev, udmat, &udma); | |
75 | udma &= ~(0x0F << shift); | |
76 | udma |= ultra << shift; | |
77 | pci_write_config_byte(dev, udmat, udma); | |
78 | ||
79 | if (t == NULL) | |
80 | return; | |
a345c785 BZ |
81 | |
82 | t->setup = clamp_val(t->setup, 1, 8) & 7; | |
83 | t->act8b = clamp_val(t->act8b, 1, 8) & 7; | |
84 | t->rec8b = clamp_val(t->rec8b, 1, 16) & 15; | |
85 | t->active = clamp_val(t->active, 1, 8) & 7; | |
86 | t->recover = clamp_val(t->recover, 1, 16) & 15; | |
87 | ||
88 | pci_write_config_byte(dev, port, t->setup); | |
89 | pci_write_config_byte(dev, port + 1, (t->act8b << 4) | t->rec8b); | |
90 | pci_write_config_byte(dev, port + unit + 2, | |
91 | (t->active << 4) | t->recover); | |
92 | } | |
93 | ||
1da177e4 | 94 | /** |
88b2b32b | 95 | * ali_set_pio_mode - set host controller for PIO mode |
e085b3ca | 96 | * @hwif: port |
26bcb879 | 97 | * @drive: drive |
21b82477 | 98 | * |
26bcb879 | 99 | * Program the controller for the given PIO mode. |
1da177e4 | 100 | */ |
26bcb879 | 101 | |
e085b3ca | 102 | static void ali_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) |
1da177e4 | 103 | { |
cde727be | 104 | ide_drive_t *pair = ide_get_pair_dev(drive); |
30e5ee4d | 105 | int bus_speed = ide_pci_clk ? ide_pci_clk : 33; |
3c8cc8df | 106 | unsigned long T = 1000000 / bus_speed; /* PCI clock based */ |
3c8cc8df | 107 | struct ide_timing t; |
1da177e4 | 108 | |
e085b3ca | 109 | ide_timing_compute(drive, drive->pio_mode, &t, T, 1); |
cde727be BZ |
110 | if (pair) { |
111 | struct ide_timing p; | |
112 | ||
113 | ide_timing_compute(pair, pair->pio_mode, &p, T, 1); | |
5740345b BZ |
114 | ide_timing_merge(&p, &t, &t, |
115 | IDE_TIMING_SETUP | IDE_TIMING_8BIT); | |
cde727be BZ |
116 | if (pair->dma_mode) { |
117 | ide_timing_compute(pair, pair->dma_mode, &p, T, 1); | |
5740345b BZ |
118 | ide_timing_merge(&p, &t, &t, |
119 | IDE_TIMING_SETUP | IDE_TIMING_8BIT); | |
cde727be BZ |
120 | } |
121 | } | |
3c8cc8df | 122 | |
1da177e4 LT |
123 | /* |
124 | * PIO mode => ATA FIFO on, ATAPI FIFO off | |
125 | */ | |
293f18ad | 126 | ali_fifo_control(hwif, drive, (drive->media == ide_disk) ? 0x05 : 0x00); |
3c8cc8df | 127 | |
e4c7112b | 128 | ali_program_timings(hwif, drive, &t, 0); |
21b82477 SS |
129 | } |
130 | ||
1da177e4 | 131 | /** |
2d5eaa6d BZ |
132 | * ali_udma_filter - compute UDMA mask |
133 | * @drive: IDE device | |
1da177e4 | 134 | * |
2d5eaa6d BZ |
135 | * Return available UDMA modes. |
136 | * | |
137 | * The actual rules for the ALi are: | |
1da177e4 LT |
138 | * No UDMA on revisions <= 0x20 |
139 | * Disk only for revisions < 0xC2 | |
63b1623e | 140 | * Not WDC drives on M1543C-E (?) |
1da177e4 | 141 | */ |
1da177e4 | 142 | |
2d5eaa6d | 143 | static u8 ali_udma_filter(ide_drive_t *drive) |
1da177e4 | 144 | { |
2d5eaa6d BZ |
145 | if (m5229_revision > 0x20 && m5229_revision < 0xC2) { |
146 | if (drive->media != ide_disk) | |
147 | return 0; | |
2db3dae5 | 148 | if (chip_is_1543c_e && |
4dde4492 | 149 | strstr((char *)&drive->id[ATA_ID_PROD], "WDC ")) |
2d5eaa6d | 150 | return 0; |
1da177e4 LT |
151 | } |
152 | ||
2d5eaa6d | 153 | return drive->hwif->ultra_mask; |
1da177e4 LT |
154 | } |
155 | ||
156 | /** | |
88b2b32b | 157 | * ali_set_dma_mode - set host controller for DMA mode |
8776168c | 158 | * @hwif: port |
88b2b32b | 159 | * @drive: drive |
1da177e4 LT |
160 | * |
161 | * Configure the hardware for the desired IDE transfer mode. | |
1da177e4 | 162 | */ |
f212ff28 | 163 | |
8776168c | 164 | static void ali_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive) |
1da177e4 | 165 | { |
e4c7112b | 166 | static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD }; |
36501650 | 167 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
a345c785 BZ |
168 | ide_drive_t *pair = ide_get_pair_dev(drive); |
169 | int bus_speed = ide_pci_clk ? ide_pci_clk : 33; | |
170 | unsigned long T = 1000000 / bus_speed; /* PCI clock based */ | |
8776168c | 171 | const u8 speed = drive->dma_mode; |
1da177e4 | 172 | u8 tmpbyte = 0x00; |
a345c785 | 173 | struct ide_timing t; |
1da177e4 | 174 | |
1da177e4 | 175 | if (speed < XFER_UDMA_0) { |
a345c785 BZ |
176 | ide_timing_compute(drive, drive->dma_mode, &t, T, 1); |
177 | if (pair) { | |
178 | struct ide_timing p; | |
179 | ||
180 | ide_timing_compute(pair, pair->pio_mode, &p, T, 1); | |
181 | ide_timing_merge(&p, &t, &t, | |
182 | IDE_TIMING_SETUP | IDE_TIMING_8BIT); | |
183 | if (pair->dma_mode) { | |
184 | ide_timing_compute(pair, pair->dma_mode, | |
185 | &p, T, 1); | |
186 | ide_timing_merge(&p, &t, &t, | |
187 | IDE_TIMING_SETUP | IDE_TIMING_8BIT); | |
188 | } | |
189 | } | |
e4c7112b | 190 | ali_program_timings(hwif, drive, &t, 0); |
1da177e4 | 191 | } else { |
e4c7112b BZ |
192 | ali_program_timings(hwif, drive, NULL, |
193 | udma_timing[speed - XFER_UDMA_0]); | |
1da177e4 LT |
194 | if (speed >= XFER_UDMA_3) { |
195 | pci_read_config_byte(dev, 0x4b, &tmpbyte); | |
196 | tmpbyte |= 1; | |
197 | pci_write_config_byte(dev, 0x4b, tmpbyte); | |
198 | } | |
199 | } | |
1da177e4 LT |
200 | } |
201 | ||
1da177e4 | 202 | /** |
8a4a5738 | 203 | * ali_dma_check - DMA check |
1da177e4 | 204 | * @drive: target device |
22981694 | 205 | * @cmd: command |
1da177e4 LT |
206 | * |
207 | * Returns 1 if the DMA cannot be performed, zero on success. | |
208 | */ | |
209 | ||
8a4a5738 | 210 | static int ali_dma_check(ide_drive_t *drive, struct ide_cmd *cmd) |
1da177e4 LT |
211 | { |
212 | if (m5229_revision < 0xC2 && drive->media != ide_disk) { | |
22981694 | 213 | if (cmd->tf_flags & IDE_TFLAG_WRITE) |
1da177e4 LT |
214 | return 1; /* try PIO instead of DMA */ |
215 | } | |
8a4a5738 | 216 | return 0; |
1da177e4 LT |
217 | } |
218 | ||
219 | /** | |
220 | * init_chipset_ali15x3 - Initialise an ALi IDE controller | |
221 | * @dev: PCI device | |
1da177e4 LT |
222 | * |
223 | * This function initializes the ALI IDE controller and where | |
224 | * appropriate also sets up the 1533 southbridge. | |
225 | */ | |
a326b02b | 226 | |
2ed0ef54 | 227 | static int init_chipset_ali15x3(struct pci_dev *dev) |
1da177e4 LT |
228 | { |
229 | unsigned long flags; | |
230 | u8 tmpbyte; | |
b1489009 | 231 | struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0)); |
1da177e4 | 232 | |
44c10138 | 233 | m5229_revision = dev->revision; |
1da177e4 | 234 | |
b1489009 | 235 | isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); |
1da177e4 | 236 | |
1da177e4 LT |
237 | local_irq_save(flags); |
238 | ||
239 | if (m5229_revision < 0xC2) { | |
240 | /* | |
241 | * revision 0x20 (1543-E, 1543-F) | |
242 | * revision 0xC0, 0xC1 (1543C-C, 1543C-D, 1543C-E) | |
243 | * clear CD-ROM DMA write bit, m5229, 0x4b, bit 7 | |
244 | */ | |
245 | pci_read_config_byte(dev, 0x4b, &tmpbyte); | |
246 | /* | |
247 | * clear bit 7 | |
248 | */ | |
249 | pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F); | |
cad221aa BZ |
250 | /* |
251 | * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010 | |
252 | */ | |
253 | if (m5229_revision >= 0x20 && isa_dev) { | |
254 | pci_read_config_byte(isa_dev, 0x5e, &tmpbyte); | |
255 | chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0; | |
256 | } | |
b1489009 | 257 | goto out; |
1da177e4 LT |
258 | } |
259 | ||
260 | /* | |
261 | * 1543C-B?, 1535, 1535D, 1553 | |
262 | * Note 1: not all "motherboard" support this detection | |
263 | * Note 2: if no udma 66 device, the detection may "error". | |
264 | * but in this case, we will not set the device to | |
265 | * ultra 66, the detection result is not important | |
266 | */ | |
267 | ||
268 | /* | |
269 | * enable "Cable Detection", m5229, 0x4b, bit3 | |
270 | */ | |
271 | pci_read_config_byte(dev, 0x4b, &tmpbyte); | |
272 | pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08); | |
273 | ||
274 | /* | |
275 | * We should only tune the 1533 enable if we are using an ALi | |
276 | * North bridge. We might have no north found on some zany | |
277 | * box without a device at 0:0.0. The ALi bridge will be at | |
278 | * 0:0.0 so if we didn't find one we know what is cooking. | |
279 | */ | |
b1489009 AC |
280 | if (north && north->vendor != PCI_VENDOR_ID_AL) |
281 | goto out; | |
1da177e4 LT |
282 | |
283 | if (m5229_revision < 0xC5 && isa_dev) | |
284 | { | |
285 | /* | |
286 | * set south-bridge's enable bit, m1533, 0x79 | |
287 | */ | |
288 | ||
289 | pci_read_config_byte(isa_dev, 0x79, &tmpbyte); | |
290 | if (m5229_revision == 0xC2) { | |
291 | /* | |
292 | * 1543C-B0 (m1533, 0x79, bit 2) | |
293 | */ | |
294 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x04); | |
295 | } else if (m5229_revision >= 0xC3) { | |
296 | /* | |
297 | * 1553/1535 (m1533, 0x79, bit 1) | |
298 | */ | |
299 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02); | |
300 | } | |
301 | } | |
cad221aa | 302 | |
b1489009 | 303 | out: |
cad221aa BZ |
304 | /* |
305 | * CD_ROM DMA on (m5229, 0x53, bit0) | |
306 | * Enable this bit even if we want to use PIO. | |
307 | * PIO FIFO off (m5229, 0x53, bit1) | |
308 | * The hardware will use 0x54h and 0x55h to control PIO FIFO. | |
309 | * (Not on later devices it seems) | |
310 | * | |
311 | * 0x53 changes meaning on later revs - we must no touch | |
312 | * bit 1 on them. Need to check if 0x20 is the right break. | |
313 | */ | |
314 | if (m5229_revision >= 0x20) { | |
315 | pci_read_config_byte(dev, 0x53, &tmpbyte); | |
316 | ||
317 | if (m5229_revision <= 0x20) | |
318 | tmpbyte = (tmpbyte & (~0x02)) | 0x01; | |
319 | else if (m5229_revision == 0xc7 || m5229_revision == 0xc8) | |
320 | tmpbyte |= 0x03; | |
321 | else | |
322 | tmpbyte |= 0x01; | |
323 | ||
324 | pci_write_config_byte(dev, 0x53, tmpbyte); | |
325 | } | |
b1489009 AC |
326 | pci_dev_put(north); |
327 | pci_dev_put(isa_dev); | |
1da177e4 LT |
328 | local_irq_restore(flags); |
329 | return 0; | |
330 | } | |
331 | ||
95ba8c17 BZ |
332 | /* |
333 | * Cable special cases | |
334 | */ | |
335 | ||
1855256c | 336 | static const struct dmi_system_id cable_dmi_table[] = { |
95ba8c17 BZ |
337 | { |
338 | .ident = "HP Pavilion N5430", | |
339 | .matches = { | |
340 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), | |
8663fd6d | 341 | DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"), |
95ba8c17 BZ |
342 | }, |
343 | }, | |
03e6f489 DE |
344 | { |
345 | .ident = "Toshiba Satellite S1800-814", | |
346 | .matches = { | |
347 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
348 | DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"), | |
349 | }, | |
350 | }, | |
95ba8c17 BZ |
351 | { } |
352 | }; | |
353 | ||
354 | static int ali_cable_override(struct pci_dev *pdev) | |
355 | { | |
356 | /* Fujitsu P2000 */ | |
357 | if (pdev->subsystem_vendor == 0x10CF && | |
358 | pdev->subsystem_device == 0x10AF) | |
359 | return 1; | |
360 | ||
d151456a BZ |
361 | /* Mitac 8317 (Winbook-A) and relatives */ |
362 | if (pdev->subsystem_vendor == 0x1071 && | |
363 | pdev->subsystem_device == 0x8317) | |
364 | return 1; | |
365 | ||
95ba8c17 BZ |
366 | /* Systems by DMI */ |
367 | if (dmi_check_system(cable_dmi_table)) | |
368 | return 1; | |
369 | ||
370 | return 0; | |
371 | } | |
372 | ||
1da177e4 | 373 | /** |
ac95beed | 374 | * ali_cable_detect - cable detection |
1da177e4 LT |
375 | * @hwif: IDE interface |
376 | * | |
377 | * This checks if the controller and the cable are capable | |
378 | * of UDMA66 transfers. It doesn't check the drives. | |
1da177e4 LT |
379 | */ |
380 | ||
f454cbe8 | 381 | static u8 ali_cable_detect(ide_hwif_t *hwif) |
1da177e4 | 382 | { |
36501650 | 383 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
95ba8c17 | 384 | u8 cbl = ATA_CBL_PATA40, tmpbyte; |
1da177e4 | 385 | |
1da177e4 LT |
386 | if (m5229_revision >= 0xC2) { |
387 | /* | |
95ba8c17 BZ |
388 | * m5229 80-pin cable detection (from Host View) |
389 | * | |
390 | * 0x4a bit0 is 0 => primary channel has 80-pin | |
391 | * 0x4a bit1 is 0 => secondary channel has 80-pin | |
392 | * | |
393 | * Certain laptops use short but suitable cables | |
394 | * and don't implement the detect logic. | |
1da177e4 | 395 | */ |
95ba8c17 BZ |
396 | if (ali_cable_override(dev)) |
397 | cbl = ATA_CBL_PATA40_SHORT; | |
398 | else { | |
399 | pci_read_config_byte(dev, 0x4a, &tmpbyte); | |
400 | if ((tmpbyte & (1 << hwif->channel)) == 0) | |
401 | cbl = ATA_CBL_PATA80; | |
402 | } | |
1da177e4 LT |
403 | } |
404 | ||
95ba8c17 | 405 | return cbl; |
1da177e4 LT |
406 | } |
407 | ||
03682411 | 408 | #ifndef CONFIG_SPARC64 |
1da177e4 LT |
409 | /** |
410 | * init_hwif_ali15x3 - Initialize the ALI IDE x86 stuff | |
411 | * @hwif: interface to configure | |
412 | * | |
413 | * Obtain the IRQ tables for an ALi based IDE solution on the PC | |
414 | * class platforms. This part of the code isn't applicable to the | |
03682411 | 415 | * Sparc systems. |
1da177e4 LT |
416 | */ |
417 | ||
fe31edc8 | 418 | static void init_hwif_ali15x3(ide_hwif_t *hwif) |
1da177e4 LT |
419 | { |
420 | u8 ideic, inmir; | |
421 | s8 irq_routing_table[] = { -1, 9, 3, 10, 4, 5, 7, 6, | |
422 | 1, 11, 0, 12, 0, 14, 0, 15 }; | |
423 | int irq = -1; | |
424 | ||
1da177e4 LT |
425 | if (isa_dev) { |
426 | /* | |
427 | * read IDE interface control | |
428 | */ | |
429 | pci_read_config_byte(isa_dev, 0x58, &ideic); | |
430 | ||
431 | /* bit0, bit1 */ | |
432 | ideic = ideic & 0x03; | |
433 | ||
434 | /* get IRQ for IDE Controller */ | |
435 | if ((hwif->channel && ideic == 0x03) || | |
436 | (!hwif->channel && !ideic)) { | |
437 | /* | |
438 | * get SIRQ1 routing table | |
439 | */ | |
440 | pci_read_config_byte(isa_dev, 0x44, &inmir); | |
441 | inmir = inmir & 0x0f; | |
442 | irq = irq_routing_table[inmir]; | |
443 | } else if (hwif->channel && !(ideic & 0x01)) { | |
444 | /* | |
445 | * get SIRQ2 routing table | |
446 | */ | |
447 | pci_read_config_byte(isa_dev, 0x75, &inmir); | |
448 | inmir = inmir & 0x0f; | |
449 | irq = irq_routing_table[inmir]; | |
450 | } | |
451 | if(irq >= 0) | |
452 | hwif->irq = irq; | |
453 | } | |
1da177e4 | 454 | } |
6d1cee44 AV |
455 | #else |
456 | #define init_hwif_ali15x3 NULL | |
03682411 | 457 | #endif /* CONFIG_SPARC64 */ |
1da177e4 LT |
458 | |
459 | /** | |
460 | * init_dma_ali15x3 - set up DMA on ALi15x3 | |
461 | * @hwif: IDE interface | |
b123f56e | 462 | * @d: IDE port info |
1da177e4 | 463 | * |
b123f56e | 464 | * Set up the DMA functionality on the ALi 15x3. |
1da177e4 LT |
465 | */ |
466 | ||
fe31edc8 | 467 | static int init_dma_ali15x3(ide_hwif_t *hwif, const struct ide_port_info *d) |
1da177e4 | 468 | { |
b123f56e BZ |
469 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
470 | unsigned long base = ide_pci_dma_base(hwif, d); | |
471 | ||
ebb00fb5 BZ |
472 | if (base == 0) |
473 | return -1; | |
474 | ||
475 | hwif->dma_base = base; | |
476 | ||
477 | if (ide_pci_check_simplex(hwif, d) < 0) | |
478 | return -1; | |
479 | ||
480 | if (ide_pci_set_master(dev, d->name) < 0) | |
b123f56e BZ |
481 | return -1; |
482 | ||
0ecdca26 | 483 | if (!hwif->channel) |
b123f56e BZ |
484 | outb(inb(base + 2) & 0x60, base + 2); |
485 | ||
486 | printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n", | |
487 | hwif->name, base, base + 7); | |
488 | ||
489 | if (ide_allocate_dma_engine(hwif)) | |
490 | return -1; | |
491 | ||
b123f56e | 492 | return 0; |
1da177e4 LT |
493 | } |
494 | ||
ac95beed BZ |
495 | static const struct ide_port_ops ali_port_ops = { |
496 | .set_pio_mode = ali_set_pio_mode, | |
497 | .set_dma_mode = ali_set_dma_mode, | |
498 | .udma_filter = ali_udma_filter, | |
499 | .cable_detect = ali_cable_detect, | |
500 | }; | |
501 | ||
f37afdac BZ |
502 | static const struct ide_dma_ops ali_dma_ops = { |
503 | .dma_host_set = ide_dma_host_set, | |
8a4a5738 | 504 | .dma_setup = ide_dma_setup, |
f37afdac | 505 | .dma_start = ide_dma_start, |
653bcf52 | 506 | .dma_end = ide_dma_end, |
f37afdac BZ |
507 | .dma_test_irq = ide_dma_test_irq, |
508 | .dma_lost_irq = ide_dma_lost_irq, | |
8a4a5738 | 509 | .dma_check = ali_dma_check, |
22117d6e | 510 | .dma_timer_expiry = ide_dma_sff_timer_expiry, |
592b5315 | 511 | .dma_sff_read_status = ide_dma_sff_read_status, |
5e37bdc0 BZ |
512 | }; |
513 | ||
fe31edc8 | 514 | static const struct ide_port_info ali15x3_chipset = { |
ced3ec8a | 515 | .name = DRV_NAME, |
1da177e4 LT |
516 | .init_chipset = init_chipset_ali15x3, |
517 | .init_hwif = init_hwif_ali15x3, | |
518 | .init_dma = init_dma_ali15x3, | |
ac95beed | 519 | .port_ops = &ali_port_ops, |
3f023b01 | 520 | .dma_ops = &sff_dma_ops, |
4099d143 | 521 | .pio_mask = ATA_PIO5, |
5f8b6c34 BZ |
522 | .swdma_mask = ATA_SWDMA2, |
523 | .mwdma_mask = ATA_MWDMA2, | |
1da177e4 LT |
524 | }; |
525 | ||
526 | /** | |
527 | * alim15x3_init_one - set up an ALi15x3 IDE controller | |
528 | * @dev: PCI device to set up | |
529 | * | |
530 | * Perform the actual set up for an ALi15x3 that has been found by the | |
531 | * hot plug layer. | |
532 | */ | |
533 | ||
fe31edc8 GKH |
534 | static int alim15x3_init_one(struct pci_dev *dev, |
535 | const struct pci_device_id *id) | |
1da177e4 | 536 | { |
039788e1 | 537 | struct ide_port_info d = ali15x3_chipset; |
8ac2b42a | 538 | u8 rev = dev->revision, idx = id->driver_data; |
1da177e4 | 539 | |
28328307 BZ |
540 | /* don't use LBA48 DMA on ALi devices before rev 0xC5 */ |
541 | if (rev <= 0xC4) | |
542 | d.host_flags |= IDE_HFLAG_NO_LBA48_DMA; | |
543 | ||
544 | if (rev >= 0x20) { | |
545 | if (rev == 0x20) | |
546 | d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA; | |
547 | ||
548 | if (rev < 0xC2) | |
549 | d.udma_mask = ATA_UDMA2; | |
550 | else if (rev == 0xC2 || rev == 0xC3) | |
551 | d.udma_mask = ATA_UDMA4; | |
552 | else if (rev == 0xC4) | |
553 | d.udma_mask = ATA_UDMA5; | |
554 | else | |
555 | d.udma_mask = ATA_UDMA6; | |
5e37bdc0 BZ |
556 | |
557 | d.dma_ops = &ali_dma_ops; | |
6d36b95f BZ |
558 | } else { |
559 | d.host_flags |= IDE_HFLAG_NO_DMA; | |
560 | ||
561 | d.mwdma_mask = d.swdma_mask = 0; | |
28328307 BZ |
562 | } |
563 | ||
8ac2b42a BZ |
564 | if (idx == 0) |
565 | d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX; | |
566 | ||
6cdf6eb3 | 567 | return ide_pci_init_one(dev, &d, NULL); |
1da177e4 LT |
568 | } |
569 | ||
570 | ||
9cbcc5e3 BZ |
571 | static const struct pci_device_id alim15x3_pci_tbl[] = { |
572 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), 0 }, | |
8ac2b42a | 573 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), 1 }, |
1da177e4 LT |
574 | { 0, }, |
575 | }; | |
576 | MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl); | |
577 | ||
a9ab09e2 | 578 | static struct pci_driver alim15x3_pci_driver = { |
1da177e4 LT |
579 | .name = "ALI15x3_IDE", |
580 | .id_table = alim15x3_pci_tbl, | |
581 | .probe = alim15x3_init_one, | |
8ee3f3b6 | 582 | .remove = ide_pci_remove, |
feb22b7f BZ |
583 | .suspend = ide_pci_suspend, |
584 | .resume = ide_pci_resume, | |
1da177e4 LT |
585 | }; |
586 | ||
82ab1eec | 587 | static int __init ali15x3_ide_init(void) |
1da177e4 | 588 | { |
a9ab09e2 | 589 | return ide_pci_register_driver(&alim15x3_pci_driver); |
1da177e4 LT |
590 | } |
591 | ||
8ee3f3b6 BZ |
592 | static void __exit ali15x3_ide_exit(void) |
593 | { | |
95964018 | 594 | pci_unregister_driver(&alim15x3_pci_driver); |
8ee3f3b6 BZ |
595 | } |
596 | ||
1da177e4 | 597 | module_init(ali15x3_ide_init); |
8ee3f3b6 | 598 | module_exit(ali15x3_ide_exit); |
1da177e4 | 599 | |
3c8cc8df | 600 | MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox, Bartlomiej Zolnierkiewicz"); |
1da177e4 LT |
601 | MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE"); |
602 | MODULE_LICENSE("GPL"); |