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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 | ||
1da177e4 | 64 | /** |
88b2b32b | 65 | * ali_set_pio_mode - set host controller for PIO mode |
26bcb879 BZ |
66 | * @drive: drive |
67 | * @pio: PIO mode number | |
21b82477 | 68 | * |
26bcb879 | 69 | * Program the controller for the given PIO mode. |
1da177e4 | 70 | */ |
26bcb879 | 71 | |
88b2b32b | 72 | static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) |
1da177e4 | 73 | { |
898ec223 | 74 | ide_hwif_t *hwif = drive->hwif; |
36501650 | 75 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
30e5ee4d | 76 | int bus_speed = ide_pci_clk ? ide_pci_clk : 33; |
3c8cc8df | 77 | unsigned long T = 1000000 / bus_speed; /* PCI clock based */ |
1da177e4 | 78 | int port = hwif->channel ? 0x5c : 0x58; |
293f18ad | 79 | u8 unit = drive->dn & 1; |
3c8cc8df | 80 | struct ide_timing t; |
1da177e4 | 81 | |
3c8cc8df BZ |
82 | ide_timing_compute(drive, XFER_PIO_0 + pio, &t, T, 1); |
83 | ||
84 | t.setup = clamp_val(t.setup, 1, 8) & 7; | |
85 | t.active = clamp_val(t.active, 1, 8) & 7; | |
86 | t.recover = clamp_val(t.recover, 1, 16) & 15; | |
1da177e4 | 87 | |
1da177e4 LT |
88 | /* |
89 | * PIO mode => ATA FIFO on, ATAPI FIFO off | |
90 | */ | |
293f18ad | 91 | ali_fifo_control(hwif, drive, (drive->media == ide_disk) ? 0x05 : 0x00); |
3c8cc8df BZ |
92 | |
93 | pci_write_config_byte(dev, port, t.setup); | |
94 | pci_write_config_byte(dev, port + unit + 2, | |
95 | (t.active << 4) | t.recover); | |
21b82477 SS |
96 | } |
97 | ||
1da177e4 | 98 | /** |
2d5eaa6d BZ |
99 | * ali_udma_filter - compute UDMA mask |
100 | * @drive: IDE device | |
1da177e4 | 101 | * |
2d5eaa6d BZ |
102 | * Return available UDMA modes. |
103 | * | |
104 | * The actual rules for the ALi are: | |
1da177e4 LT |
105 | * No UDMA on revisions <= 0x20 |
106 | * Disk only for revisions < 0xC2 | |
63b1623e | 107 | * Not WDC drives on M1543C-E (?) |
1da177e4 | 108 | */ |
1da177e4 | 109 | |
2d5eaa6d | 110 | static u8 ali_udma_filter(ide_drive_t *drive) |
1da177e4 | 111 | { |
2d5eaa6d BZ |
112 | if (m5229_revision > 0x20 && m5229_revision < 0xC2) { |
113 | if (drive->media != ide_disk) | |
114 | return 0; | |
2db3dae5 | 115 | if (chip_is_1543c_e && |
4dde4492 | 116 | strstr((char *)&drive->id[ATA_ID_PROD], "WDC ")) |
2d5eaa6d | 117 | return 0; |
1da177e4 LT |
118 | } |
119 | ||
2d5eaa6d | 120 | return drive->hwif->ultra_mask; |
1da177e4 LT |
121 | } |
122 | ||
123 | /** | |
88b2b32b BZ |
124 | * ali_set_dma_mode - set host controller for DMA mode |
125 | * @drive: drive | |
126 | * @speed: DMA mode | |
1da177e4 LT |
127 | * |
128 | * Configure the hardware for the desired IDE transfer mode. | |
1da177e4 | 129 | */ |
f212ff28 | 130 | |
88b2b32b | 131 | static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed) |
1da177e4 | 132 | { |
898ec223 | 133 | ide_hwif_t *hwif = drive->hwif; |
36501650 | 134 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
1da177e4 | 135 | u8 speed1 = speed; |
123995b9 | 136 | u8 unit = drive->dn & 1; |
1da177e4 LT |
137 | u8 tmpbyte = 0x00; |
138 | int m5229_udma = (hwif->channel) ? 0x57 : 0x56; | |
139 | ||
140 | if (speed == XFER_UDMA_6) | |
141 | speed1 = 0x47; | |
142 | ||
143 | if (speed < XFER_UDMA_0) { | |
144 | u8 ultra_enable = (unit) ? 0x7f : 0xf7; | |
145 | /* | |
146 | * clear "ultra enable" bit | |
147 | */ | |
148 | pci_read_config_byte(dev, m5229_udma, &tmpbyte); | |
149 | tmpbyte &= ultra_enable; | |
150 | pci_write_config_byte(dev, m5229_udma, tmpbyte); | |
151 | ||
a6fe837e BZ |
152 | /* |
153 | * FIXME: Oh, my... DMA timings are never set. | |
154 | */ | |
1da177e4 LT |
155 | } else { |
156 | pci_read_config_byte(dev, m5229_udma, &tmpbyte); | |
157 | tmpbyte &= (0x0f << ((1-unit) << 2)); | |
158 | /* | |
159 | * enable ultra dma and set timing | |
160 | */ | |
161 | tmpbyte |= ((0x08 | ((4-speed1)&0x07)) << (unit << 2)); | |
162 | pci_write_config_byte(dev, m5229_udma, tmpbyte); | |
163 | if (speed >= XFER_UDMA_3) { | |
164 | pci_read_config_byte(dev, 0x4b, &tmpbyte); | |
165 | tmpbyte |= 1; | |
166 | pci_write_config_byte(dev, 0x4b, tmpbyte); | |
167 | } | |
168 | } | |
1da177e4 LT |
169 | } |
170 | ||
1da177e4 | 171 | /** |
8a4a5738 | 172 | * ali_dma_check - DMA check |
1da177e4 | 173 | * @drive: target device |
22981694 | 174 | * @cmd: command |
1da177e4 LT |
175 | * |
176 | * Returns 1 if the DMA cannot be performed, zero on success. | |
177 | */ | |
178 | ||
8a4a5738 | 179 | static int ali_dma_check(ide_drive_t *drive, struct ide_cmd *cmd) |
1da177e4 LT |
180 | { |
181 | if (m5229_revision < 0xC2 && drive->media != ide_disk) { | |
22981694 | 182 | if (cmd->tf_flags & IDE_TFLAG_WRITE) |
1da177e4 LT |
183 | return 1; /* try PIO instead of DMA */ |
184 | } | |
8a4a5738 | 185 | return 0; |
1da177e4 LT |
186 | } |
187 | ||
188 | /** | |
189 | * init_chipset_ali15x3 - Initialise an ALi IDE controller | |
190 | * @dev: PCI device | |
1da177e4 LT |
191 | * |
192 | * This function initializes the ALI IDE controller and where | |
193 | * appropriate also sets up the 1533 southbridge. | |
194 | */ | |
a326b02b | 195 | |
2ed0ef54 | 196 | static int init_chipset_ali15x3(struct pci_dev *dev) |
1da177e4 LT |
197 | { |
198 | unsigned long flags; | |
199 | u8 tmpbyte; | |
b1489009 | 200 | struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0)); |
1da177e4 | 201 | |
44c10138 | 202 | m5229_revision = dev->revision; |
1da177e4 | 203 | |
b1489009 | 204 | isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); |
1da177e4 | 205 | |
1da177e4 LT |
206 | local_irq_save(flags); |
207 | ||
208 | if (m5229_revision < 0xC2) { | |
209 | /* | |
210 | * revision 0x20 (1543-E, 1543-F) | |
211 | * revision 0xC0, 0xC1 (1543C-C, 1543C-D, 1543C-E) | |
212 | * clear CD-ROM DMA write bit, m5229, 0x4b, bit 7 | |
213 | */ | |
214 | pci_read_config_byte(dev, 0x4b, &tmpbyte); | |
215 | /* | |
216 | * clear bit 7 | |
217 | */ | |
218 | pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F); | |
cad221aa BZ |
219 | /* |
220 | * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010 | |
221 | */ | |
222 | if (m5229_revision >= 0x20 && isa_dev) { | |
223 | pci_read_config_byte(isa_dev, 0x5e, &tmpbyte); | |
224 | chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0; | |
225 | } | |
b1489009 | 226 | goto out; |
1da177e4 LT |
227 | } |
228 | ||
229 | /* | |
230 | * 1543C-B?, 1535, 1535D, 1553 | |
231 | * Note 1: not all "motherboard" support this detection | |
232 | * Note 2: if no udma 66 device, the detection may "error". | |
233 | * but in this case, we will not set the device to | |
234 | * ultra 66, the detection result is not important | |
235 | */ | |
236 | ||
237 | /* | |
238 | * enable "Cable Detection", m5229, 0x4b, bit3 | |
239 | */ | |
240 | pci_read_config_byte(dev, 0x4b, &tmpbyte); | |
241 | pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08); | |
242 | ||
243 | /* | |
244 | * We should only tune the 1533 enable if we are using an ALi | |
245 | * North bridge. We might have no north found on some zany | |
246 | * box without a device at 0:0.0. The ALi bridge will be at | |
247 | * 0:0.0 so if we didn't find one we know what is cooking. | |
248 | */ | |
b1489009 AC |
249 | if (north && north->vendor != PCI_VENDOR_ID_AL) |
250 | goto out; | |
1da177e4 LT |
251 | |
252 | if (m5229_revision < 0xC5 && isa_dev) | |
253 | { | |
254 | /* | |
255 | * set south-bridge's enable bit, m1533, 0x79 | |
256 | */ | |
257 | ||
258 | pci_read_config_byte(isa_dev, 0x79, &tmpbyte); | |
259 | if (m5229_revision == 0xC2) { | |
260 | /* | |
261 | * 1543C-B0 (m1533, 0x79, bit 2) | |
262 | */ | |
263 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x04); | |
264 | } else if (m5229_revision >= 0xC3) { | |
265 | /* | |
266 | * 1553/1535 (m1533, 0x79, bit 1) | |
267 | */ | |
268 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02); | |
269 | } | |
270 | } | |
cad221aa | 271 | |
b1489009 | 272 | out: |
cad221aa BZ |
273 | /* |
274 | * CD_ROM DMA on (m5229, 0x53, bit0) | |
275 | * Enable this bit even if we want to use PIO. | |
276 | * PIO FIFO off (m5229, 0x53, bit1) | |
277 | * The hardware will use 0x54h and 0x55h to control PIO FIFO. | |
278 | * (Not on later devices it seems) | |
279 | * | |
280 | * 0x53 changes meaning on later revs - we must no touch | |
281 | * bit 1 on them. Need to check if 0x20 is the right break. | |
282 | */ | |
283 | if (m5229_revision >= 0x20) { | |
284 | pci_read_config_byte(dev, 0x53, &tmpbyte); | |
285 | ||
286 | if (m5229_revision <= 0x20) | |
287 | tmpbyte = (tmpbyte & (~0x02)) | 0x01; | |
288 | else if (m5229_revision == 0xc7 || m5229_revision == 0xc8) | |
289 | tmpbyte |= 0x03; | |
290 | else | |
291 | tmpbyte |= 0x01; | |
292 | ||
293 | pci_write_config_byte(dev, 0x53, tmpbyte); | |
294 | } | |
b1489009 AC |
295 | pci_dev_put(north); |
296 | pci_dev_put(isa_dev); | |
1da177e4 LT |
297 | local_irq_restore(flags); |
298 | return 0; | |
299 | } | |
300 | ||
95ba8c17 BZ |
301 | /* |
302 | * Cable special cases | |
303 | */ | |
304 | ||
1855256c | 305 | static const struct dmi_system_id cable_dmi_table[] = { |
95ba8c17 BZ |
306 | { |
307 | .ident = "HP Pavilion N5430", | |
308 | .matches = { | |
309 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), | |
8663fd6d | 310 | DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"), |
95ba8c17 BZ |
311 | }, |
312 | }, | |
03e6f489 DE |
313 | { |
314 | .ident = "Toshiba Satellite S1800-814", | |
315 | .matches = { | |
316 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
317 | DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"), | |
318 | }, | |
319 | }, | |
95ba8c17 BZ |
320 | { } |
321 | }; | |
322 | ||
323 | static int ali_cable_override(struct pci_dev *pdev) | |
324 | { | |
325 | /* Fujitsu P2000 */ | |
326 | if (pdev->subsystem_vendor == 0x10CF && | |
327 | pdev->subsystem_device == 0x10AF) | |
328 | return 1; | |
329 | ||
d151456a BZ |
330 | /* Mitac 8317 (Winbook-A) and relatives */ |
331 | if (pdev->subsystem_vendor == 0x1071 && | |
332 | pdev->subsystem_device == 0x8317) | |
333 | return 1; | |
334 | ||
95ba8c17 BZ |
335 | /* Systems by DMI */ |
336 | if (dmi_check_system(cable_dmi_table)) | |
337 | return 1; | |
338 | ||
339 | return 0; | |
340 | } | |
341 | ||
1da177e4 | 342 | /** |
ac95beed | 343 | * ali_cable_detect - cable detection |
1da177e4 LT |
344 | * @hwif: IDE interface |
345 | * | |
346 | * This checks if the controller and the cable are capable | |
347 | * of UDMA66 transfers. It doesn't check the drives. | |
1da177e4 LT |
348 | */ |
349 | ||
f454cbe8 | 350 | static u8 ali_cable_detect(ide_hwif_t *hwif) |
1da177e4 | 351 | { |
36501650 | 352 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
95ba8c17 | 353 | u8 cbl = ATA_CBL_PATA40, tmpbyte; |
1da177e4 | 354 | |
1da177e4 LT |
355 | if (m5229_revision >= 0xC2) { |
356 | /* | |
95ba8c17 BZ |
357 | * m5229 80-pin cable detection (from Host View) |
358 | * | |
359 | * 0x4a bit0 is 0 => primary channel has 80-pin | |
360 | * 0x4a bit1 is 0 => secondary channel has 80-pin | |
361 | * | |
362 | * Certain laptops use short but suitable cables | |
363 | * and don't implement the detect logic. | |
1da177e4 | 364 | */ |
95ba8c17 BZ |
365 | if (ali_cable_override(dev)) |
366 | cbl = ATA_CBL_PATA40_SHORT; | |
367 | else { | |
368 | pci_read_config_byte(dev, 0x4a, &tmpbyte); | |
369 | if ((tmpbyte & (1 << hwif->channel)) == 0) | |
370 | cbl = ATA_CBL_PATA80; | |
371 | } | |
1da177e4 LT |
372 | } |
373 | ||
95ba8c17 | 374 | return cbl; |
1da177e4 LT |
375 | } |
376 | ||
03682411 | 377 | #ifndef CONFIG_SPARC64 |
1da177e4 LT |
378 | /** |
379 | * init_hwif_ali15x3 - Initialize the ALI IDE x86 stuff | |
380 | * @hwif: interface to configure | |
381 | * | |
382 | * Obtain the IRQ tables for an ALi based IDE solution on the PC | |
383 | * class platforms. This part of the code isn't applicable to the | |
03682411 | 384 | * Sparc systems. |
1da177e4 LT |
385 | */ |
386 | ||
c2f12589 | 387 | static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif) |
1da177e4 LT |
388 | { |
389 | u8 ideic, inmir; | |
390 | s8 irq_routing_table[] = { -1, 9, 3, 10, 4, 5, 7, 6, | |
391 | 1, 11, 0, 12, 0, 14, 0, 15 }; | |
392 | int irq = -1; | |
393 | ||
1da177e4 LT |
394 | if (isa_dev) { |
395 | /* | |
396 | * read IDE interface control | |
397 | */ | |
398 | pci_read_config_byte(isa_dev, 0x58, &ideic); | |
399 | ||
400 | /* bit0, bit1 */ | |
401 | ideic = ideic & 0x03; | |
402 | ||
403 | /* get IRQ for IDE Controller */ | |
404 | if ((hwif->channel && ideic == 0x03) || | |
405 | (!hwif->channel && !ideic)) { | |
406 | /* | |
407 | * get SIRQ1 routing table | |
408 | */ | |
409 | pci_read_config_byte(isa_dev, 0x44, &inmir); | |
410 | inmir = inmir & 0x0f; | |
411 | irq = irq_routing_table[inmir]; | |
412 | } else if (hwif->channel && !(ideic & 0x01)) { | |
413 | /* | |
414 | * get SIRQ2 routing table | |
415 | */ | |
416 | pci_read_config_byte(isa_dev, 0x75, &inmir); | |
417 | inmir = inmir & 0x0f; | |
418 | irq = irq_routing_table[inmir]; | |
419 | } | |
420 | if(irq >= 0) | |
421 | hwif->irq = irq; | |
422 | } | |
1da177e4 | 423 | } |
6d1cee44 AV |
424 | #else |
425 | #define init_hwif_ali15x3 NULL | |
03682411 | 426 | #endif /* CONFIG_SPARC64 */ |
1da177e4 LT |
427 | |
428 | /** | |
429 | * init_dma_ali15x3 - set up DMA on ALi15x3 | |
430 | * @hwif: IDE interface | |
b123f56e | 431 | * @d: IDE port info |
1da177e4 | 432 | * |
b123f56e | 433 | * Set up the DMA functionality on the ALi 15x3. |
1da177e4 LT |
434 | */ |
435 | ||
b123f56e BZ |
436 | static int __devinit init_dma_ali15x3(ide_hwif_t *hwif, |
437 | const struct ide_port_info *d) | |
1da177e4 | 438 | { |
b123f56e BZ |
439 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
440 | unsigned long base = ide_pci_dma_base(hwif, d); | |
441 | ||
ebb00fb5 BZ |
442 | if (base == 0) |
443 | return -1; | |
444 | ||
445 | hwif->dma_base = base; | |
446 | ||
447 | if (ide_pci_check_simplex(hwif, d) < 0) | |
448 | return -1; | |
449 | ||
450 | if (ide_pci_set_master(dev, d->name) < 0) | |
b123f56e BZ |
451 | return -1; |
452 | ||
0ecdca26 | 453 | if (!hwif->channel) |
b123f56e BZ |
454 | outb(inb(base + 2) & 0x60, base + 2); |
455 | ||
456 | printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx\n", | |
457 | hwif->name, base, base + 7); | |
458 | ||
459 | if (ide_allocate_dma_engine(hwif)) | |
460 | return -1; | |
461 | ||
b123f56e | 462 | return 0; |
1da177e4 LT |
463 | } |
464 | ||
ac95beed BZ |
465 | static const struct ide_port_ops ali_port_ops = { |
466 | .set_pio_mode = ali_set_pio_mode, | |
467 | .set_dma_mode = ali_set_dma_mode, | |
468 | .udma_filter = ali_udma_filter, | |
469 | .cable_detect = ali_cable_detect, | |
470 | }; | |
471 | ||
f37afdac BZ |
472 | static const struct ide_dma_ops ali_dma_ops = { |
473 | .dma_host_set = ide_dma_host_set, | |
8a4a5738 | 474 | .dma_setup = ide_dma_setup, |
f37afdac | 475 | .dma_start = ide_dma_start, |
653bcf52 | 476 | .dma_end = ide_dma_end, |
f37afdac BZ |
477 | .dma_test_irq = ide_dma_test_irq, |
478 | .dma_lost_irq = ide_dma_lost_irq, | |
8a4a5738 | 479 | .dma_check = ali_dma_check, |
22117d6e | 480 | .dma_timer_expiry = ide_dma_sff_timer_expiry, |
592b5315 | 481 | .dma_sff_read_status = ide_dma_sff_read_status, |
5e37bdc0 BZ |
482 | }; |
483 | ||
85620436 | 484 | static const struct ide_port_info ali15x3_chipset __devinitdata = { |
ced3ec8a | 485 | .name = DRV_NAME, |
1da177e4 LT |
486 | .init_chipset = init_chipset_ali15x3, |
487 | .init_hwif = init_hwif_ali15x3, | |
488 | .init_dma = init_dma_ali15x3, | |
ac95beed | 489 | .port_ops = &ali_port_ops, |
3f023b01 | 490 | .dma_ops = &sff_dma_ops, |
4099d143 | 491 | .pio_mask = ATA_PIO5, |
5f8b6c34 BZ |
492 | .swdma_mask = ATA_SWDMA2, |
493 | .mwdma_mask = ATA_MWDMA2, | |
1da177e4 LT |
494 | }; |
495 | ||
496 | /** | |
497 | * alim15x3_init_one - set up an ALi15x3 IDE controller | |
498 | * @dev: PCI device to set up | |
499 | * | |
500 | * Perform the actual set up for an ALi15x3 that has been found by the | |
501 | * hot plug layer. | |
502 | */ | |
503 | ||
504 | static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
505 | { | |
039788e1 | 506 | struct ide_port_info d = ali15x3_chipset; |
8ac2b42a | 507 | u8 rev = dev->revision, idx = id->driver_data; |
1da177e4 | 508 | |
28328307 BZ |
509 | /* don't use LBA48 DMA on ALi devices before rev 0xC5 */ |
510 | if (rev <= 0xC4) | |
511 | d.host_flags |= IDE_HFLAG_NO_LBA48_DMA; | |
512 | ||
513 | if (rev >= 0x20) { | |
514 | if (rev == 0x20) | |
515 | d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA; | |
516 | ||
517 | if (rev < 0xC2) | |
518 | d.udma_mask = ATA_UDMA2; | |
519 | else if (rev == 0xC2 || rev == 0xC3) | |
520 | d.udma_mask = ATA_UDMA4; | |
521 | else if (rev == 0xC4) | |
522 | d.udma_mask = ATA_UDMA5; | |
523 | else | |
524 | d.udma_mask = ATA_UDMA6; | |
5e37bdc0 BZ |
525 | |
526 | d.dma_ops = &ali_dma_ops; | |
6d36b95f BZ |
527 | } else { |
528 | d.host_flags |= IDE_HFLAG_NO_DMA; | |
529 | ||
530 | d.mwdma_mask = d.swdma_mask = 0; | |
28328307 BZ |
531 | } |
532 | ||
8ac2b42a BZ |
533 | if (idx == 0) |
534 | d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX; | |
535 | ||
6cdf6eb3 | 536 | return ide_pci_init_one(dev, &d, NULL); |
1da177e4 LT |
537 | } |
538 | ||
539 | ||
9cbcc5e3 BZ |
540 | static const struct pci_device_id alim15x3_pci_tbl[] = { |
541 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), 0 }, | |
8ac2b42a | 542 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), 1 }, |
1da177e4 LT |
543 | { 0, }, |
544 | }; | |
545 | MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl); | |
546 | ||
a9ab09e2 | 547 | static struct pci_driver alim15x3_pci_driver = { |
1da177e4 LT |
548 | .name = "ALI15x3_IDE", |
549 | .id_table = alim15x3_pci_tbl, | |
550 | .probe = alim15x3_init_one, | |
8ee3f3b6 | 551 | .remove = ide_pci_remove, |
feb22b7f BZ |
552 | .suspend = ide_pci_suspend, |
553 | .resume = ide_pci_resume, | |
1da177e4 LT |
554 | }; |
555 | ||
82ab1eec | 556 | static int __init ali15x3_ide_init(void) |
1da177e4 | 557 | { |
a9ab09e2 | 558 | return ide_pci_register_driver(&alim15x3_pci_driver); |
1da177e4 LT |
559 | } |
560 | ||
8ee3f3b6 BZ |
561 | static void __exit ali15x3_ide_exit(void) |
562 | { | |
95964018 | 563 | pci_unregister_driver(&alim15x3_pci_driver); |
8ee3f3b6 BZ |
564 | } |
565 | ||
1da177e4 | 566 | module_init(ali15x3_ide_init); |
8ee3f3b6 | 567 | module_exit(ali15x3_ide_exit); |
1da177e4 | 568 | |
3c8cc8df | 569 | MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox, Bartlomiej Zolnierkiewicz"); |
1da177e4 LT |
570 | MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE"); |
571 | MODULE_LICENSE("GPL"); |