1/*-
2 * Copyright (c) 1998,1999,2000,2001,2002 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/ata/ata-dma.c 100380 2002-07-19 22:14:54Z jhb $
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/ata.h>
34#include <sys/bio.h>
35#include <sys/endian.h>
36#include <sys/malloc.h>
37#include <sys/bus.h>
38#include <sys/disk.h>
39#include <sys/devicestat.h>
40#include <pci/pcivar.h>
41#include <machine/bus.h>
42#include <sys/rman.h>
43#include <dev/ata/ata-all.h>
44
45/* prototypes */
46static void ata_dmacreate(struct ata_device *, int, int);
47static void ata_dmasetupd_cb(void *, bus_dma_segment_t *, int, int);
48static void ata_dmasetupc_cb(void *, bus_dma_segment_t *, int, int);
49static void cyrix_timing(struct ata_device *, int, int);
50static void promise_timing(struct ata_device *, int, int);
51static void hpt_timing(struct ata_device *, int, int);
52static int hpt_cable80(struct ata_device *);
53
54/* misc defines */
55#define ATAPI_DEVICE(atadev) \
56 ((atadev->unit == ATA_MASTER && \
57 atadev->channel->devices & ATA_ATAPI_MASTER) || \
58 (atadev->unit == ATA_SLAVE && \
59 atadev->channel->devices & ATA_ATAPI_SLAVE))
60
61#define MAXSEGSZ PAGE_SIZE
62#define MAXTABSZ PAGE_SIZE
63#define MAXCTLDMASZ (2 * (MAXTABSZ + MAXPHYS))
64
65struct ata_dc_cb_args {
66 bus_addr_t maddr;
67 int error;
68};
69
70static void
71ata_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
72{
73 struct ata_dc_cb_args *cba = (struct ata_dc_cb_args *)xsc;
74
75 if (!(cba->error = error))
76 cba->maddr = segs[0].ds_addr;
77}
78
79int
80ata_dmaalloc(struct ata_device *atadev)
81{
82 struct ata_channel *ch;
83 struct ata_dc_cb_args ccba;
84 struct ata_dmastate *ds;
85 int error;
86
87 ch = atadev->channel;
88 ds = &atadev->dmastate;
89 if (!ds->cdmatag) {
90 if ((error = bus_dma_tag_create(ch->dmatag, 1, PAGE_SIZE,
91 BUS_SPACE_MAXADDR_32BIT,
92 BUS_SPACE_MAXADDR, NULL, NULL,
93 MAXTABSZ, 1, MAXTABSZ,
94 BUS_DMA_ALLOCNOW, &ds->cdmatag)))
95 return error;
96 }
97 if (!ds->ddmatag) {
98 if ((error = bus_dma_tag_create(ch->dmatag, ch->alignment + 1, 0,
99 BUS_SPACE_MAXADDR_32BIT,
100 BUS_SPACE_MAXADDR, NULL, NULL,
101 MAXPHYS, ATA_DMA_ENTRIES, MAXSEGSZ,
102 BUS_DMA_ALLOCNOW, &ds->ddmatag)))
103 return error;
104 }
105 if (!ds->mdmatab) {
106 if ((error = bus_dmamem_alloc(ds->cdmatag, (void **)&ds->dmatab, 0,
107 &ds->cdmamap)))
108 return error;
109
110 if ((error = bus_dmamap_load(ds->cdmatag, ds->cdmamap, ds->dmatab,
111 MAXTABSZ, ata_dmasetupc_cb, &ccba,
112 0)) != 0 || ccba.error != 0) {
113 bus_dmamem_free(ds->cdmatag, ds->dmatab, ds->cdmamap);
114 return error;
115 }
116 ds->mdmatab = ccba.maddr;
117 }
118 if (!ds->ddmamap) {
119 if ((error = bus_dmamap_create(ds->ddmatag, 0, &ds->ddmamap)) != 0)
120 return error;
121 }
122 return 0;
123}
124
125void
126ata_dmafree(struct ata_device *atadev)
127{
128 struct ata_dmastate *ds;
129
130 ds = &atadev->dmastate;
131 if (ds->mdmatab) {
132 bus_dmamap_unload(ds->cdmatag, ds->cdmamap);
133 bus_dmamem_free(ds->cdmatag, ds->dmatab, ds->cdmamap);
134 ds->mdmatab = 0;
135 ds->cdmamap = NULL;
136 ds->dmatab = NULL;
137 }
138 if (ds->ddmamap) {
139 bus_dmamap_destroy(ds->ddmatag, ds->ddmamap);
140 ds->ddmamap = NULL;
141 }
142 if (ds->cdmatag) {
143 bus_dma_tag_destroy(ds->cdmatag);
144 ds->cdmatag = NULL;
145 }
146 if (ds->ddmatag) {
147 bus_dma_tag_destroy(ds->ddmatag);
148 ds->ddmatag = NULL;
149 }
150}
151
152void
153ata_dmafreetags(struct ata_channel *ch)
154{
155
156 if (ch->dmatag) {
157 bus_dma_tag_destroy(ch->dmatag);
158 ch->dmatag = NULL;
159 }
160}
161
162static void
163ata_dmacreate(struct ata_device *atadev, int apiomode, int mode)
164{
165
166 atadev->mode = mode;
167 if (!atadev->channel->dmatag) {
168 if (bus_dma_tag_create(NULL, 1, 0,
169 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
170 NULL, NULL, MAXCTLDMASZ, ATA_DMA_ENTRIES,
171 BUS_SPACE_MAXSIZE_32BIT, 0,
172 &atadev->channel->dmatag)) {
173 ata_prtdev(atadev, "DMA tag allocation failed, disabling DMA\n");
174 ata_dmainit(atadev, apiomode, -1, -1);
175 }
176 }
177}
178
179void
180ata_dmainit(struct ata_device *atadev, int apiomode, int wdmamode, int udmamode)
181{
182 device_t parent = device_get_parent(atadev->channel->dev);
183 int chiptype = atadev->channel->chiptype;
184 int chiprev = pci_get_revid(parent);
185 int channel = atadev->channel->unit;
186 int device = ATA_DEV(atadev->unit);
187 int devno = (channel << 1) + device;
188 int error;
189
190 /* set our most pessimistic default mode */
191 atadev->mode = ATA_PIO;
192
193 if (!atadev->channel->r_bmio)
194 return;
195
196 /* if simplex controller, only allow DMA on primary channel */
197 if (channel == 1) {
198 ATA_OUTB(atadev->channel->r_bmio, ATA_BMSTAT_PORT,
199 ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
200 (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE));
201 if (ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
202 ATA_BMSTAT_DMA_SIMPLEX) {
203 ata_prtdev(atadev, "simplex device, DMA on primary only\n");
204 return;
205 }
206 }
207
208 /* DMA engine address alignment is usually 1 word (2 bytes) */
209 atadev->channel->alignment = 0x1;
210
211#if 1
212 if (udmamode > 2 && !atadev->param->hwres_cblid) {
213 ata_prtdev(atadev,"DMA limited to UDMA33, non-ATA66 cable or device\n");
214 udmamode = 2;
215 }
216#endif
217 switch (chiptype) {
218
219 case 0x24cb8086: /* Intel ICH4 */
220 case 0x248a8086: /* Intel ICH3 mobile */
221 case 0x248b8086: /* Intel ICH3 */
222 case 0x244a8086: /* Intel ICH2 mobile */
223 case 0x244b8086: /* Intel ICH2 */
224 if (udmamode >= 5) {
225 int32_t mask48, new48;
226 int16_t word54;
227
228 word54 = pci_read_config(parent, 0x54, 2);
229 if (word54 & (0x10 << devno)) {
230 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
231 ATA_UDMA5, ATA_C_F_SETXFER,ATA_WAIT_READY);
232 if (bootverbose)
233 ata_prtdev(atadev, "%s setting UDMA5 on Intel chip\n",
234 (error) ? "failed" : "success");
235 if (!error) {
236 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
237 new48 = (1 << devno) + (1 << (16 + (devno << 2)));
238 pci_write_config(parent, 0x48,
239 (pci_read_config(parent, 0x48, 4) &
240 ~mask48) | new48, 4);
241 pci_write_config(parent, 0x54, word54 | (0x1000<<devno), 2);
242 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
243 return;
244 }
245 }
246 }
247 /* make sure eventual ATA100 mode from the BIOS is disabled */
248 pci_write_config(parent, 0x54,
249 pci_read_config(parent, 0x54, 2) & ~(0x1000<<devno),2);
250 /* FALLTHROUGH */
251
252 case 0x24118086: /* Intel ICH */
253 case 0x76018086: /* Intel ICH */
254 if (udmamode >= 4) {
255 int32_t mask48, new48;
256 int16_t word54;
257
258 word54 = pci_read_config(parent, 0x54, 2);
259 if (word54 & (0x10 << devno)) {
260 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
261 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
262 if (bootverbose)
263 ata_prtdev(atadev, "%s setting UDMA4 on Intel chip\n",
264 (error) ? "failed" : "success");
265 if (!error) {
266 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
267 new48 = (1 << devno) + (2 << (16 + (devno << 2)));
268 pci_write_config(parent, 0x48,
269 (pci_read_config(parent, 0x48, 4) &
270 ~mask48) | new48, 4);
271 pci_write_config(parent, 0x54, word54 | (1 << devno), 2);
272 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
273 return;
274 }
275 }
276 }
277 /* make sure eventual ATA66 mode from the BIOS is disabled */
278 pci_write_config(parent, 0x54,
279 pci_read_config(parent, 0x54, 2) & ~(1 << devno), 2);
280 /* FALLTHROUGH */
281
282 case 0x71118086: /* Intel PIIX4 */
283 case 0x84CA8086: /* Intel PIIX4 */
284 case 0x71998086: /* Intel PIIX4e */
285 case 0x24218086: /* Intel ICH0 */
286 if (udmamode >= 2) {
287 int32_t mask48, new48;
288
289 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
290 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
291 if (bootverbose)
292 ata_prtdev(atadev, "%s setting UDMA2 on Intel chip\n",
293 (error) ? "failed" : "success");
294 if (!error) {
295 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
296 new48 = (1 << devno) + (2 << (16 + (devno << 2)));
297 pci_write_config(parent, 0x48,
298 (pci_read_config(parent, 0x48, 4) &
299 ~mask48) | new48, 4);
300 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
301 return;
302 }
303 }
304 /* make sure eventual ATA33 mode from the BIOS is disabled */
305 pci_write_config(parent, 0x48,
306 pci_read_config(parent, 0x48, 4) & ~(1 << devno), 4);
307 /* FALLTHROUGH */
308
309 case 0x70108086: /* Intel PIIX3 */
310 if (wdmamode >= 2 && apiomode >= 4) {
311 int32_t mask40, new40, mask44, new44;
312
313 /* if SITRE not set doit for both channels */
314 if (!((pci_read_config(parent, 0x40, 4) >> (channel<<8)) & 0x4000)){
315 new40 = pci_read_config(parent, 0x40, 4);
316 new44 = pci_read_config(parent, 0x44, 4);
317 if (!(new40 & 0x00004000)) {
318 new44 &= ~0x0000000f;
319 new44 |= ((new40&0x00003000)>>10)|((new40&0x00000300)>>8);
320 }
321 if (!(new40 & 0x40000000)) {
322 new44 &= ~0x000000f0;
323 new44 |= ((new40&0x30000000)>>22)|((new40&0x03000000)>>20);
324 }
325 new40 |= 0x40004000;
326 pci_write_config(parent, 0x40, new40, 4);
327 pci_write_config(parent, 0x44, new44, 4);
328 }
329 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
330 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
331 if (bootverbose)
332 ata_prtdev(atadev, "%s setting WDMA2 on Intel chip\n",
333 (error) ? "failed" : "success");
334 if (!error) {
335 if (device == ATA_MASTER) {
336 mask40 = 0x0000330f;
337 new40 = 0x00002307;
338 mask44 = 0;
339 new44 = 0;
340 }
341 else {
342 mask40 = 0x000000f0;
343 new40 = 0x00000070;
344 mask44 = 0x0000000f;
345 new44 = 0x0000000b;
346 }
347 if (channel) {
348 mask40 <<= 16;
349 new40 <<= 16;
350 mask44 <<= 4;
351 new44 <<= 4;
352 }
353 pci_write_config(parent, 0x40,
354 (pci_read_config(parent, 0x40, 4) & ~mask40)|
355 new40, 4);
356 pci_write_config(parent, 0x44,
357 (pci_read_config(parent, 0x44, 4) & ~mask44)|
358 new44, 4);
359 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
360 return;
361 }
362 }
363 /* we could set PIO mode timings, but we assume the BIOS did that */
364 break;
365
366 case 0x12308086: /* Intel PIIX */
367 if (wdmamode >= 2 && apiomode >= 4) {
368 int32_t word40;
369
370 word40 = pci_read_config(parent, 0x40, 4);
371 word40 >>= channel * 16;
372
373 /* Check for timing config usable for DMA on controller */
374 if (!((word40 & 0x3300) == 0x2300 &&
375 ((word40 >> (device ? 4 : 0)) & 1) == 1))
376 break;
377
378 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
379 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
380 if (bootverbose)
381 ata_prtdev(atadev, "%s setting WDMA2 on Intel chip\n",
382 (error) ? "failed" : "success");
383 if (!error) {
384 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
385 return;
386 }
387 }
388 break;
389
390 case 0x522910b9: /* AcerLabs Aladdin IV/V */
391 /* the older Aladdin doesn't support ATAPI DMA on both master & slave */
392 if (chiprev < 0xc2 &&
393 atadev->channel->devices & ATA_ATAPI_MASTER &&
394 atadev->channel->devices & ATA_ATAPI_SLAVE) {
395 ata_prtdev(atadev, "two atapi devices on this channel, no DMA\n");
396 break;
397 }
398 pci_write_config(parent, 0x58 + (channel << 2), 0x00310001, 4);
399 if (udmamode >= 5 && chiprev >= 0xc4) {
400 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
401 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
402 if (bootverbose)
403 ata_prtdev(atadev, "%s setting UDMA5 on Acer chip\n",
404 (error) ? "failed" : "success");
405 if (!error) {
406 int32_t word54 = pci_read_config(parent, 0x54, 4);
407
408 pci_write_config(parent, 0x4b,
409 pci_read_config(parent, 0x4b, 1) | 0x01, 1);
410 word54 &= ~(0x000f000f << (devno << 2));
411 word54 |= (0x000f0005 << (devno << 2));
412 pci_write_config(parent, 0x54, word54, 4);
413 pci_write_config(parent, 0x53,
414 pci_read_config(parent, 0x53, 1) | 0x03, 1);
415 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
416 return;
417 }
418 }
419 if (udmamode >= 4 && chiprev >= 0xc2) {
420 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
421 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
422 if (bootverbose)
423 ata_prtdev(atadev, "%s setting UDMA4 on Acer chip\n",
424 (error) ? "failed" : "success");
425 if (!error) {
426 int32_t word54 = pci_read_config(parent, 0x54, 4);
427
428 pci_write_config(parent, 0x4b,
429 pci_read_config(parent, 0x4b, 1) | 0x01, 1);
430 word54 &= ~(0x000f000f << (devno << 2));
431 word54 |= (0x00080005 << (devno << 2));
432 pci_write_config(parent, 0x54, word54, 4);
433 pci_write_config(parent, 0x53,
434 pci_read_config(parent, 0x53, 1) | 0x03, 1);
435 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
436 return;
437 }
438 }
439 if (udmamode >= 2 && chiprev >= 0x20) {
440 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
441 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
442 if (bootverbose)
443 ata_prtdev(atadev, "%s setting UDMA2 on Acer chip\n",
444 (error) ? "failed" : "success");
445 if (!error) {
446 int32_t word54 = pci_read_config(parent, 0x54, 4);
447
448 word54 &= ~(0x000f000f << (devno << 2));
449 word54 |= (0x000a0005 << (devno << 2));
450 pci_write_config(parent, 0x54, word54, 4);
451 pci_write_config(parent, 0x53,
452 pci_read_config(parent, 0x53, 1) | 0x03, 1);
453 atadev->channel->flags |= ATA_ATAPI_DMA_RO;
454 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
455 return;
456 }
457 }
458
459 /* make sure eventual UDMA mode from the BIOS is disabled */
460 pci_write_config(parent, 0x56, pci_read_config(parent, 0x56, 2) &
461 ~(0x0008 << (devno << 2)), 2);
462
463 if (wdmamode >= 2 && apiomode >= 4) {
464 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
465 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
466 if (bootverbose)
467 ata_prtdev(atadev, "%s setting WDMA2 on Acer chip\n",
468 (error) ? "failed" : "success");
469 if (!error) {
470 pci_write_config(parent, 0x53,
471 pci_read_config(parent, 0x53, 1) | 0x03, 1);
472 atadev->channel->flags |= ATA_ATAPI_DMA_RO;
473 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
474 return;
475 }
476 }
477 pci_write_config(parent, 0x53,
478 (pci_read_config(parent, 0x53, 1) & ~0x01) | 0x02, 1);
479 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
480 ATA_PIO0 + apiomode,
481 ATA_C_F_SETXFER, ATA_WAIT_READY);
482 if (bootverbose)
483 ata_prtdev(atadev, "%s setting PIO%d on Acer chip\n",
484 (error) ? "failed" : "success",
485 (apiomode >= 0) ? apiomode : 0);
486 if (!error) {
487 int32_t word54 = pci_read_config(parent, 0x54, 4);
488 int32_t timing;
489
490 switch(ATA_PIO0 + apiomode) {
491 case ATA_PIO0: timing = 0x006d0003;
492 case ATA_PIO1: timing = 0x00580002;
493 case ATA_PIO2: timing = 0x00440001;
494 case ATA_PIO3: timing = 0x00330001;
495 case ATA_PIO4: timing = 0x00310001;
496 default: timing = 0x006d0003;
497 }
498 pci_write_config(parent, 0x58 + (channel << 2), timing, 4);
499 word54 &= ~(0x000f000f << (devno << 2));
500 word54 |= (0x00000004 << (devno << 2));
501 pci_write_config(parent, 0x54, word54, 4);
502 atadev->mode = ATA_PIO0 + apiomode;
503 return;
504 }
505 break;
506
507 case 0x01bc10de: /* nVIDIA nForce */
508 case 0x74411022: /* AMD 768 */
509 case 0x74111022: /* AMD 766 */
510 case 0x74091022: /* AMD 756 */
511 case 0x05711106: /* VIA 82C571, 82C586, 82C596, 82C686 , 8231, 8233 */
512 {
513 int via_modes[5][7] = {
514 { 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00 }, /* VIA ATA33 */
515 { 0x00, 0x00, 0xea, 0x00, 0xe8, 0x00, 0x00 }, /* VIA ATA66 */
516 { 0x00, 0x00, 0xf4, 0x00, 0xf1, 0xf0, 0x00 }, /* VIA ATA100 */
517 { 0x00, 0x00, 0xf6, 0x00, 0xf2, 0xf1, 0xf0 }, /* VIA ATA133 */
518 { 0x00, 0x00, 0xc0, 0x00, 0xc5, 0xc6, 0x00 }}; /* AMD/nVIDIA */
519 int *reg_val = NULL;
520 char *chip = "VIA";
521
522 if (ata_find_dev(parent, 0x31471106, 0)) { /* 8233a */
523 udmamode = imin(udmamode, 6);
524 reg_val = via_modes[3];
525 }
526 else if (ata_find_dev(parent, 0x06861106, 0x40) || /* 82C686b */
527 ata_find_dev(parent, 0x82311106, 0) || /* 8231 */
528 ata_find_dev(parent, 0x30741106, 0) || /* 8233 */
529 ata_find_dev(parent, 0x31091106, 0)) { /* 8233c */
530 udmamode = imin(udmamode, 5);
531 reg_val = via_modes[2];
532 }
533 else if (ata_find_dev(parent, 0x06861106, 0x10) || /* 82C686a */
534 ata_find_dev(parent, 0x05961106, 0x12)) { /* 82C596b */
535 udmamode = imin(udmamode, 4);
536 reg_val = via_modes[1];
537 }
538 else if (ata_find_dev(parent, 0x06861106, 0)) { /* 82C686 */
539 udmamode = imin(udmamode, 2);
540 reg_val = via_modes[1];
541 }
542 else if (ata_find_dev(parent, 0x05961106, 0) || /* 82C596a */
543 ata_find_dev(parent, 0x05861106, 0x03)) { /* 82C586b */
544 udmamode = imin(udmamode, 2);
545 reg_val = via_modes[0];
546 }
547 else if (chiptype == 0x74411022 || /* AMD 768 */
548 chiptype == 0x74111022) { /* AMD 766 */
549 udmamode = imin(udmamode, 5);
550 reg_val = via_modes[4];
551 chip = "AMD";
552 }
553 else if (chiptype == 0x74091022) { /* AMD 756 */
554 udmamode = imin(udmamode, 4);
555 reg_val = via_modes[4];
556 chip = "AMD";
557 }
558 else if (chiptype == 0x01bc10de) { /* nVIDIA */
559 udmamode = imin(udmamode, 5);
560 reg_val = via_modes[4];
561 chip = "nVIDIA";
562 }
563 else
564 udmamode = 0;
565
566 if (udmamode >= 6) {
567 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
568 ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
569 if (bootverbose)
570 ata_prtdev(atadev, "%s setting UDMA6 on %s chip\n",
571 (error) ? "failed" : "success", chip);
572 if (!error) {
573 pci_write_config(parent, 0x53 - devno, reg_val[6], 1);
574 ata_dmacreate(atadev, apiomode, ATA_UDMA6);
575 return;
576 }
577 }
578 if (udmamode >= 5) {
579 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
580 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
581 if (bootverbose)
582 ata_prtdev(atadev, "%s setting UDMA5 on %s chip\n",
583 (error) ? "failed" : "success", chip);
584 if (!error) {
585 pci_write_config(parent, 0x53 - devno, reg_val[5], 1);
586 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
587 return;
588 }
589 }
590 if (udmamode >= 4) {
591 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
592 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
593 if (bootverbose)
594 ata_prtdev(atadev, "%s setting UDMA4 on %s chip\n",
595 (error) ? "failed" : "success", chip);
596 if (!error) {
597 pci_write_config(parent, 0x53 - devno, reg_val[4], 1);
598 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
599 return;
600 }
601 }
602 if (udmamode >= 2) {
603 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
604 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
605 if (bootverbose)
606 ata_prtdev(atadev, "%s setting UDMA2 on %s chip\n",
607 (error) ? "failed" : "success", chip);
608 if (!error) {
609 pci_write_config(parent, 0x53 - devno, reg_val[2], 1);
610 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
611 return;
612 }
613 }
614 if (wdmamode >= 2 && apiomode >= 4) {
615 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
616 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
617 if (bootverbose)
618 ata_prtdev(atadev, "%s setting WDMA2 on %s chip\n",
619 (error) ? "failed" : "success", chip);
620 if (!error) {
621 pci_write_config(parent, 0x53 - devno, 0x0b, 1);
622 pci_write_config(parent, 0x4b - devno, 0x31, 1);
623 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
624 return;
625 }
626 }
627 }
628 /* we could set PIO mode timings, but we assume the BIOS did that */
629 break;
630
631 case 0x55131039: /* SiS 5591 */
632 if (ata_find_dev(parent, 0x06301039, 0x30) || /* SiS 630 */
633 ata_find_dev(parent, 0x06331039, 0) || /* SiS 633 */
634 ata_find_dev(parent, 0x06351039, 0) || /* SiS 635 */
635 ata_find_dev(parent, 0x06401039, 0) || /* SiS 640 */
636 ata_find_dev(parent, 0x06451039, 0) || /* SiS 645 */
637 ata_find_dev(parent, 0x06501039, 0) || /* SiS 650 */
638 ata_find_dev(parent, 0x07301039, 0) || /* SiS 730 */
639 ata_find_dev(parent, 0x07331039, 0) || /* SiS 733 */
640 ata_find_dev(parent, 0x07351039, 0) || /* SiS 735 */
641 ata_find_dev(parent, 0x07401039, 0) || /* SiS 740 */
642 ata_find_dev(parent, 0x07451039, 0) || /* SiS 745 */
643 ata_find_dev(parent, 0x07501039, 0)) { /* SiS 750 */
644 int8_t reg = 0x40 + (devno << 1);
645 int16_t val = pci_read_config(parent, reg, 2) & 0x0fff;
646
647 if (udmamode >= 5) {
648 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
649 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
650 if (bootverbose)
651 ata_prtdev(atadev, "%s setting UDMA5 on SiS chip\n",
652 (error) ? "failed" : "success");
653 if (!error) {
654 pci_write_config(parent, reg, val | 0x8000, 2);
655 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
656 return;
657 }
658 }
659 if (udmamode >= 4) {
660 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
661 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
662 if (bootverbose)
663 ata_prtdev(atadev, "%s setting UDMA4 on SiS chip\n",
664 (error) ? "failed" : "success");
665 if (!error) {
666 pci_write_config(parent, reg, val | 0x9000, 2);
667 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
668 return;
669 }
670 }
671 if (udmamode >= 2) {
672 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
673 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
674 if (bootverbose)
675 ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
676 (error) ? "failed" : "success");
677 if (!error) {
678 pci_write_config(parent, reg, val | 0xb000, 2);
679 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
680 return;
681 }
682 }
683 } else if (ata_find_dev(parent, 0x05301039, 0) || /* SiS 530 */
684 ata_find_dev(parent, 0x05401039, 0) || /* SiS 540 */
685 ata_find_dev(parent, 0x06201039, 0) || /* SiS 620 */
686 ata_find_dev(parent, 0x06301039, 0)) { /* SiS 630 */
687 int8_t reg = 0x40 + (devno << 1);
688 int16_t val = pci_read_config(parent, reg, 2) & 0x0fff;
689
690 if (udmamode >= 4) {
691 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
692 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
693 if (bootverbose)
694 ata_prtdev(atadev, "%s setting UDMA4 on SiS chip\n",
695 (error) ? "failed" : "success");
696 if (!error) {
697 pci_write_config(parent, reg, val | 0x9000, 2);
698 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
699 return;
700 }
701 }
702 if (udmamode >= 2) {
703 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
704 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
705 if (bootverbose)
706 ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
707 (error) ? "failed" : "success");
708 if (!error) {
709 pci_write_config(parent, reg, val | 0xa000, 2);
710 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
711 return;
712 }
713 }
714 } else if (udmamode >= 2 && chiprev > 0xc1) {
715 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
716 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
717 if (bootverbose)
718 ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
719 (error) ? "failed" : "success");
720 if (!error) {
721 pci_write_config(parent, 0x40 + (devno << 1), 0xa301, 2);
722 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
723 return;
724 }
725 }
726 if (wdmamode >=2 && apiomode >= 4) {
727 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
728 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
729 if (bootverbose)
730 ata_prtdev(atadev, "%s setting WDMA2 on SiS chip\n",
731 (error) ? "failed" : "success");
732 if (!error) {
733 pci_write_config(parent, 0x40 + (devno << 1), 0x0301, 2);
734 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
735 return;
736 }
737 }
738 /* we could set PIO mode timings, but we assume the BIOS did that */
739 break;
740
741 case 0x06491095: /* CMD 649 ATA100 controller */
742 if (udmamode >= 5) {
743 u_int8_t umode;
744
745 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
746 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
747 if (bootverbose)
748 ata_prtdev(atadev, "%s setting UDMA5 on CMD chip\n",
749 (error) ? "failed" : "success");
750 if (!error) {
751 umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
752 umode &= ~(device ? 0xca : 0x35);
753 umode |= (device ? 0x0a : 0x05);
754 pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
755 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
756 return;
757 }
758 }
759 /* FALLTHROUGH */
760
761 case 0x06481095: /* CMD 648 ATA66 controller */
762 if (udmamode >= 4) {
763 u_int8_t umode;
764
765 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
766 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
767 if (bootverbose)
768 ata_prtdev(atadev, "%s setting UDMA4 on CMD chip\n",
769 (error) ? "failed" : "success");
770 if (!error) {
771 umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
772 umode &= ~(device ? 0xca : 0x35);
773 umode |= (device ? 0x4a : 0x15);
774 pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
775 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
776 return;
777 }
778 }
779 if (udmamode >= 2) {
780 u_int8_t umode;
781
782 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
783 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
784 if (bootverbose)
785 ata_prtdev(atadev, "%s setting UDMA2 on CMD chip\n",
786 (error) ? "failed" : "success");
787 if (!error) {
788 umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
789 umode &= ~(device ? 0xca : 0x35);
790 umode |= (device ? 0x42 : 0x11);
791 pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
792 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
793 return;
794 }
795 }
796 /* make sure eventual UDMA mode from the BIOS is disabled */
797 pci_write_config(parent, channel ? 0x7b : 0x73,
798 pci_read_config(parent, channel ? 0x7b : 0x73, 1) &
799 ~(device ? 0xca : 0x53), 1);
800 /* FALLTHROUGH */
801
802 case 0x06461095: /* CMD 646 ATA controller */
803 if (wdmamode >= 2 && apiomode >= 4) {
804 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
805 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
806 if (bootverbose)
807 ata_prtdev(atadev, "%s setting WDMA2 on CMD chip\n",
808 error ? "failed" : "success");
809 if (!error) {
810 int32_t offset = (devno < 3) ? (devno << 1) : 7;
811
812 pci_write_config(parent, 0x54 + offset, 0x3f, 1);
813 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
814 return;
815 }
816 }
817 /* we could set PIO mode timings, but we assume the BIOS did that */
818 break;
819
820 case 0xc6931080: /* Cypress 82c693 ATA controller */
821 if (wdmamode >= 2 && apiomode >= 4) {
822 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
823 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
824 if (bootverbose)
825 ata_prtdev(atadev, "%s setting WDMA2 on Cypress chip\n",
826 error ? "failed" : "success");
827 if (!error) {
828 pci_write_config(atadev->channel->dev,
829 channel ? 0x4e:0x4c, 0x2020, 2);
830 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
831 return;
832 }
833 }
834 /* we could set PIO mode timings, but we assume the BIOS did that */
835 break;
836
837 case 0x01021078: /* Cyrix 5530 ATA33 controller */
838 atadev->channel->alignment = 0xf;
839 if (udmamode >= 2) {
840 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
841 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
842 if (bootverbose)
843 ata_prtdev(atadev, "%s setting UDMA2 on Cyrix chip\n",
844 (error) ? "failed" : "success");
845 if (!error) {
846 cyrix_timing(atadev, devno, ATA_UDMA2);
847 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
848 return;
849 }
850 }
851 if (wdmamode >= 2 && apiomode >= 4) {
852 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
853 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
854 if (bootverbose)
855 ata_prtdev(atadev, "%s setting WDMA2 on Cyrix chip\n",
856 (error) ? "failed" : "success");
857 if (!error) {
858 cyrix_timing(atadev, devno, ATA_WDMA2);
859 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
860 return;
861 }
862 }
863 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
864 ATA_PIO0 + apiomode, ATA_C_F_SETXFER,
865 ATA_WAIT_READY);
866 if (bootverbose)
867 ata_prtdev(atadev, "%s setting %s on Cyrix chip\n",
868 (error) ? "failed" : "success",
869 ata_mode2str(ATA_PIO0 + apiomode));
870 cyrix_timing(atadev, devno, ATA_PIO0 + apiomode);
871 atadev->mode = ATA_PIO0 + apiomode;
872 return;
873
874 case 0x02121166: /* ServerWorks CSB5 ATA66/100 controller */
875 if (udmamode >= 5 && chiprev >= 0x92) {
876 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
877 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
878 if (bootverbose)
879 ata_prtdev(atadev, "%s setting UDMA5 on ServerWorks chip\n",
880 (error) ? "failed" : "success");
881 if (!error) {
882 u_int16_t reg56;
883
884 pci_write_config(parent, 0x54,
885 pci_read_config(parent, 0x54, 1) |
886 (0x01 << devno), 1);
887 reg56 = pci_read_config(parent, 0x56, 2);
888 reg56 &= ~(0xf << (devno * 4));
889 reg56 |= (0x5 << (devno * 4));
890 pci_write_config(parent, 0x56, reg56, 2);
891 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
892 return;
893 }
894 }
895 if (udmamode >= 4) {
896 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
897 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
898 if (bootverbose)
899 ata_prtdev(atadev, "%s setting UDMA4 on ServerWorks chip\n",
900 (error) ? "failed" : "success");
901 if (!error) {
902 u_int16_t reg56;
903
904 pci_write_config(parent, 0x54,
905 pci_read_config(parent, 0x54, 1) |
906 (0x01 << devno), 1);
907 reg56 = pci_read_config(parent, 0x56, 2);
908 reg56 &= ~(0xf << (devno * 4));
909 reg56 |= (0x4 << (devno * 4));
910 pci_write_config(parent, 0x56, reg56, 2);
911 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
912 return;
913 }
914 }
915 /* FALLTHROUGH */
916
917 case 0x02111166: /* ServerWorks ROSB4 ATA33 controller */
918 if (udmamode >= 2) {
919 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
920 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
921 if (bootverbose)
922 ata_prtdev(atadev, "%s setting UDMA2 on ServerWorks chip\n",
923 (error) ? "failed" : "success");
924 if (!error) {
925 u_int16_t reg56;
926
927 pci_write_config(parent, 0x54,
928 pci_read_config(parent, 0x54, 1) |
929 (0x01 << devno), 1);
930 reg56 = pci_read_config(parent, 0x56, 2);
931 reg56 &= ~(0xf << (devno * 4));
932 reg56 |= (0x2 << (devno * 4));
933 pci_write_config(parent, 0x56, reg56, 2);
934 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
935 return;
936 }
937 }
938 if (wdmamode >= 2 && apiomode >= 4) {
939 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
940 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
941 if (bootverbose)
942 ata_prtdev(atadev, "%s setting WDMA2 on ServerWorks chip\n",
943 (error) ? "failed" : "success");
944 if (!error) {
945 int offset = devno ^ 0x01;
946 int word44 = pci_read_config(parent, 0x44, 4);
947
948 pci_write_config(parent, 0x54,
949 pci_read_config(parent, 0x54, 1) &
950 ~(0x01 << devno), 1);
951 word44 &= ~(0xff << (offset << 8));
952 word44 |= (0x20 << (offset << 8));
953 pci_write_config(parent, 0x44, 0x20, 4);
954 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
955 return;
956 }
957 }
958 /* we could set PIO mode timings, but we assume the BIOS did that */
959 break;
960
961 case 0x4d69105a: /* Promise TX2 ATA133 controllers */
962 case 0x5275105a: /* Promise TX2 ATA133 controllers */
963 case 0x6269105a: /* Promise TX2 ATA133 controllers */
964 ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
965 if (udmamode >= 6 &&
966 !(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
967 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
968 ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
969 if (bootverbose)
970 ata_prtdev(atadev, "%s setting UDMA6 on Promise chip\n",
971 (error) ? "failed" : "success");
972 if (!error) {
973 ata_dmacreate(atadev, apiomode, ATA_UDMA6);
974 return;
975 }
976 }
977 /* FALLTHROUGH */
978
979 case 0x4d68105a: /* Promise TX2 ATA100 controllers */
980 case 0x6268105a: /* Promise TX2 ATA100 controllers */
981 ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
982 if (udmamode >= 5 &&
983 !(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
984 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
985 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
986 if (bootverbose)
987 ata_prtdev(atadev, "%s setting UDMA5 on Promise chip\n",
988 (error) ? "failed" : "success");
989 if (!error) {
990 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
991 return;
992 }
993 }
994 ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
995 if (udmamode >= 4 &&
996 !(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
997 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
998 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
999 if (bootverbose)
1000 ata_prtdev(atadev, "%s setting UDMA4 on Promise chip\n",
1001 (error) ? "failed" : "success");
1002 if (!error) {
1003 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
1004 return;
1005 }
1006 }
1007 if (udmamode >= 2) {
1008 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1009 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1010 if (bootverbose)
1011 ata_prtdev(atadev, "%s setting UDMA on Promise chip\n",
1012 (error) ? "failed" : "success");
1013 if (!error) {
1014 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
1015 return;
1016 }
1017 }
1018 if (wdmamode >= 2 && apiomode >= 4) {
1019 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1020 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1021 if (bootverbose)
1022 ata_prtdev(atadev, "%s setting WDMA2 on Promise chip\n",
1023 (error) ? "failed" : "success");
1024 if (!error) {
1025 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1026 return;
1027 }
1028 }
1029 break;
1030
1031 case 0x0d30105a: /* Promise OEM ATA100 controllers */
1032 case 0x4d30105a: /* Promise Ultra/FastTrak 100 controllers */
1033 if (!ATAPI_DEVICE(atadev) && udmamode >= 5 &&
1034 !(pci_read_config(parent, 0x50, 2) & (channel ? 1<<11 : 1<<10))) {
1035 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1036 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
1037 if (bootverbose)
1038 ata_prtdev(atadev, "%s setting UDMA5 on Promise chip\n",
1039 (error) ? "failed" : "success");
1040 if (!error) {
1041 promise_timing(atadev, devno, ATA_UDMA5);
1042 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
1043 return;
1044 }
1045 }
1046 /* FALLTHROUGH */
1047
1048 case 0x0d38105a: /* Promise FastTrak 66 controllers */
1049 case 0x4d38105a: /* Promise Ultra/FastTrak 66 controllers */
1050 if (!ATAPI_DEVICE(atadev) && udmamode >= 4 &&
1051 !(pci_read_config(parent, 0x50, 2) & (channel ? 1<<11 : 1<<10))) {
1052 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1053 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
1054 if (bootverbose)
1055 ata_prtdev(atadev, "%s setting UDMA4 on Promise chip\n",
1056 (error) ? "failed" : "success");
1057 if (!error) {
1058 promise_timing(atadev, devno, ATA_UDMA4);
1059 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
1060 return;
1061 }
1062 }
1063 /* FALLTHROUGH */
1064
1065 case 0x4d33105a: /* Promise Ultra/FastTrak 33 controllers */
1066 if (!ATAPI_DEVICE(atadev) && udmamode >= 2) {
1067 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1068 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1069 if (bootverbose)
1070 ata_prtdev(atadev, "%s setting UDMA2 on Promise chip\n",
1071 (error) ? "failed" : "success");
1072 if (!error) {
1073 promise_timing(atadev, devno, ATA_UDMA2);
1074 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
1075 return;
1076 }
1077 }
1078 if (!ATAPI_DEVICE(atadev) && wdmamode >= 2 && apiomode >= 4) {
1079 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1080 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1081 if (bootverbose)
1082 ata_prtdev(atadev, "%s setting WDMA2 on Promise chip\n",
1083 (error) ? "failed" : "success");
1084 if (!error) {
1085 promise_timing(atadev, devno, ATA_WDMA2);
1086 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1087 return;
1088 }
1089 }
1090 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1091 ATA_PIO0 + apiomode,
1092 ATA_C_F_SETXFER, ATA_WAIT_READY);
1093 if (bootverbose)
1094 ata_prtdev(atadev, "%s setting PIO%d on Promise chip\n",
1095 (error) ? "failed" : "success",
1096 (apiomode >= 0) ? apiomode : 0);
1097 promise_timing(atadev, devno, ATA_PIO0 + apiomode);
1098 atadev->mode = ATA_PIO0 + apiomode;
1099 return;
1100
1101 case 0x00041103: /* HighPoint HPT366/368/370/372 controllers */
1102 case 0x00051103: /* HighPoint HPT372 controllers */
1103 case 0x00081103: /* HighPoint HPT374 controllers */
1104 if (!ATAPI_DEVICE(atadev) && udmamode >= 6 && hpt_cable80(atadev) &&
1105 ((chiptype == 0x00041103 && chiprev >= 0x05) ||
1106 (chiptype == 0x00051103 && chiprev >= 0x01) ||
1107 (chiptype == 0x00081103 && chiprev >= 0x07))) {
1108 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1109 ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
1110 if (bootverbose)
1111 ata_prtdev(atadev, "%s setting UDMA6 on HighPoint chip\n",
1112 (error) ? "failed" : "success");
1113 if (!error) {
1114 hpt_timing(atadev, devno, ATA_UDMA6);
1115 ata_dmacreate(atadev, apiomode, ATA_UDMA6);
1116 return;
1117 }
1118 }
1119 if (!ATAPI_DEVICE(atadev) && udmamode >= 5 && hpt_cable80(atadev) &&
1120 ((chiptype == 0x00041103 && chiprev >= 0x03) ||
1121 (chiptype == 0x00051103 && chiprev >= 0x01) ||
1122 (chiptype == 0x00081103 && chiprev >= 0x07))) {
1123 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1124 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
1125 if (bootverbose)
1126 ata_prtdev(atadev, "%s setting UDMA5 on HighPoint chip\n",
1127 (error) ? "failed" : "success");
1128 if (!error) {
1129 hpt_timing(atadev, devno, ATA_UDMA5);
1130 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
1131 return;
1132 }
1133 }
1134 if (!ATAPI_DEVICE(atadev) && udmamode >= 4 && hpt_cable80(atadev)) {
1135 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1136 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
1137 if (bootverbose)
1138 ata_prtdev(atadev, "%s setting UDMA4 on HighPoint chip\n",
1139 (error) ? "failed" : "success");
1140 if (!error) {
1141 hpt_timing(atadev, devno, ATA_UDMA4);
1142 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
1143 return;
1144 }
1145 }
1146 if (!ATAPI_DEVICE(atadev) && udmamode >= 2) {
1147 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1148 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1149 if (bootverbose)
1150 ata_prtdev(atadev, "%s setting UDMA2 on HighPoint chip\n",
1151 (error) ? "failed" : "success");
1152 if (!error) {
1153 hpt_timing(atadev, devno, ATA_UDMA2);
1154 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
1155 return;
1156 }
1157 }
1158 if (!ATAPI_DEVICE(atadev) && wdmamode >= 2 && apiomode >= 4) {
1159 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1160 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1161 if (bootverbose)
1162 ata_prtdev(atadev, "%s setting WDMA2 on HighPoint chip\n",
1163 (error) ? "failed" : "success");
1164 if (!error) {
1165 hpt_timing(atadev, devno, ATA_WDMA2);
1166 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1167 return;
1168 }
1169 }
1170 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1171 ATA_PIO0 + apiomode,
1172 ATA_C_F_SETXFER, ATA_WAIT_READY);
1173 if (bootverbose)
1174 ata_prtdev(atadev, "%s setting PIO%d on HighPoint chip\n",
1175 (error) ? "failed" : "success",
1176 (apiomode >= 0) ? apiomode : 0);
1177 hpt_timing(atadev, devno, ATA_PIO0 + apiomode);
1178 atadev->mode = ATA_PIO0 + apiomode;
1179 return;
1180
1181 case 0x000116ca: /* Cenatek Rocket Drive controller */
1182 if (wdmamode >= 0 &&
1183 (ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
1184 (device ? ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER)))
1185 ata_dmacreate(atadev, apiomode, ATA_DMA);
1186 else
1187 atadev->mode = ATA_PIO;
1188 return;
1189
1190 default: /* unknown controller chip */
1191 /* better not try generic DMA on ATAPI devices it almost never works */
1192 if (ATAPI_DEVICE(atadev))
1193 break;
1194
1195 /* if controller says its setup for DMA take the easy way out */
1196 /* the downside is we dont know what DMA mode we are in */
1197 if ((udmamode >= 0 || wdmamode >= 2) &&
1198 (ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
1199 (device ? ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER))) {
1200 ata_dmacreate(atadev, apiomode, ATA_DMA);
1201 return;
1202 }
1203
1204 /* well, we have no support for this, but try anyways */
1205 if ((wdmamode >= 2 && apiomode >= 4) && atadev->channel->r_bmio) {
1206 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1207 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1208 if (bootverbose)
1209 ata_prtdev(atadev, "%s setting WDMA2 on generic chip\n",
1210 (error) ? "failed" : "success");
1211 if (!error) {
1212 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1213 return;
1214 }
1215 }
1216 }
1217 error = ata_command(atadev, ATA_C_SETFEATURES, 0, ATA_PIO0 + apiomode,
1218 ATA_C_F_SETXFER, ATA_WAIT_READY);
1219 if (bootverbose)
1220 ata_prtdev(atadev, "%s setting PIO%d on generic chip\n",
1221 (error) ? "failed" : "success", apiomode < 0 ? 0 : apiomode);
1222 if (!error)
1223 atadev->mode = ATA_PIO0 + apiomode;
1224 else {
1225 if (bootverbose)
1226 ata_prtdev(atadev, "using PIO mode set by BIOS\n");
1227 atadev->mode = ATA_PIO;
1228 }
1229}
1230
1231struct ata_dmasetup_data_cb_args {
1232 struct ata_dmaentry *dmatab;
1233 int error;
1234};
1235
1236static void
1237ata_dmasetupd_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
1238{
1239 struct ata_dmasetup_data_cb_args *cba =
1240 (struct ata_dmasetup_data_cb_args *)xsc;
1241 bus_size_t cnt;
1242 u_int32_t lastcount;
1243 int i, j;
1244
1245 cba->error = error;
1246 if (error != 0)
1247 return;
1248 lastcount = j = 0;
1249 for (i = 0; i < nsegs; i++) {
1250 /*
1251 * A maximum segment size was specified for bus_dma_tag_create, but
1252 * some busdma code does not seem to honor this, so fix up if needed.
1253 */
1254 for (cnt = 0; cnt < segs[i].ds_len; cnt += MAXSEGSZ, j++) {
1255 cba->dmatab[j].base = htole32(segs[i].ds_addr + cnt);
1256 lastcount = ulmin(segs[i].ds_len - cnt, MAXSEGSZ) & 0xffff;
1257 cba->dmatab[j].count = htole32(lastcount);
1258 }
1259 }
1260 cba->dmatab[j - 1].count = htole32(lastcount | ATA_DMA_EOT);
1261}
1262
1263int
1264ata_dmasetup(struct ata_device *atadev, caddr_t data, int32_t count)
1265{
1266 struct ata_channel *ch = atadev->channel;
1267
1268 if (((uintptr_t)data & ch->alignment) || (count & ch->alignment)) {
1269 ata_prtdev(atadev, "non aligned DMA transfer attempted\n");
1270 return -1;
1271 }
1272
1273 if (!count) {
1274 ata_prtdev(atadev, "zero length DMA transfer attempted\n");
1275 return -1;
1276 }
1277 return 0;
1278}
1279
1280int
1281ata_dmastart(struct ata_device *atadev, caddr_t data, int32_t count, int dir)
1282{
1283 struct ata_channel *ch = atadev->channel;
1284 struct ata_dmastate *ds = &atadev->dmastate;
1285 struct ata_dmasetup_data_cb_args cba;
1286
1287 if (ds->flags & ATA_DS_ACTIVE)
1288 panic("ata_dmasetup: transfer active on this device!");
1289
1290 cba.dmatab = ds->dmatab;
1291 bus_dmamap_sync(ds->cdmatag, ds->cdmamap, BUS_DMASYNC_PREWRITE);
1292 if (bus_dmamap_load(ds->ddmatag, ds->ddmamap, data, count,
1293 ata_dmasetupd_cb, &cba, 0) || cba.error)
1294 return -1;
1295
1296 bus_dmamap_sync(ds->cdmatag, ds->cdmamap, BUS_DMASYNC_POSTWRITE);
1297 bus_dmamap_sync(ds->ddmatag, ds->ddmamap, dir ? BUS_DMASYNC_PREREAD :
1298 BUS_DMASYNC_PREWRITE);
1299
1300 ch->flags |= ATA_DMA_ACTIVE;
1301 ds->flags = ATA_DS_ACTIVE;
1302 if (dir)
1303 ds->flags |= ATA_DS_READ;
1304
1305 ATA_OUTL(ch->r_bmio, ATA_BMDTP_PORT, ds->mdmatab);
1306 ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT, dir ? ATA_BMCMD_WRITE_READ : 0);
1307 ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT,
1308 (ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) |
1309 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
1310 ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT,
1311 ATA_INB(ch->r_bmio, ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP);
1312 return 0;
1313}
1314
1315int
1316ata_dmadone(struct ata_device *atadev)
1317{
1318 struct ata_channel *ch;
1319 struct ata_dmastate *ds;
1320 int error;
1321
1322 ch = atadev->channel;
1323 ds = &atadev->dmastate;
1324 bus_dmamap_sync(ds->ddmatag, ds->ddmamap, (ds->flags & ATA_DS_READ) != 0 ?
1325 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1326 bus_dmamap_unload(ds->ddmatag, ds->ddmamap);
1327
1328 ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT,
1329 ATA_INB(ch->r_bmio, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
1330 error = ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT);
1331 ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT,
1332 error | ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
1333 ch->flags &= ~ATA_DMA_ACTIVE;
1334 ds->flags = 0;
1335 return (error & ATA_BMSTAT_MASK);
1336}
1337
1338int
1339ata_dmastatus(struct ata_channel *ch)
1340{
1341 return ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
1342}
1343
1344static void
1345cyrix_timing(struct ata_device *atadev, int devno, int mode)
1346{
1347 u_int32_t reg20 = 0x0000e132;
1348 u_int32_t reg24 = 0x00017771;
1349
1350 switch (mode) {
1351 case ATA_PIO0: reg20 = 0x0000e132; break;
1352 case ATA_PIO1: reg20 = 0x00018121; break;
1353 case ATA_PIO2: reg20 = 0x00024020; break;
1354 case ATA_PIO3: reg20 = 0x00032010; break;
1355 case ATA_PIO4: reg20 = 0x00040010; break;
1356 case ATA_WDMA2: reg24 = 0x00002020; break;
1357 case ATA_UDMA2: reg24 = 0x00911030; break;
1358 }
1359 ATA_OUTL(atadev->channel->r_bmio, (devno << 3) + 0x20, reg20);
1360 ATA_OUTL(atadev->channel->r_bmio, (devno << 3) + 0x24, reg24);
1361}
1362
1363static void
1364promise_timing(struct ata_device *atadev, int devno, int mode)
1365{
1366 u_int32_t timing = 0;
1367 /* XXX: Endianess */
1368 struct promise_timing {
1369 u_int8_t pa:4;
1370 u_int8_t prefetch:1;
1371 u_int8_t iordy:1;
1372 u_int8_t errdy:1;
1373 u_int8_t syncin:1;
1374 u_int8_t pb:5;
1375 u_int8_t mb:3;
1376 u_int8_t mc:4;
1377 u_int8_t dmaw:1;
1378 u_int8_t dmar:1;
1379 u_int8_t iordyp:1;
1380 u_int8_t dmarqp:1;
1381 u_int8_t reserved:8;
1382 } *t = (struct promise_timing*)&timing;
1383
1384 t->iordy = 1; t->iordyp = 1;
1385 if (mode >= ATA_DMA) {
1386 t->prefetch = 1; t->errdy = 1; t->syncin = 1;
1387 }
1388
1389 switch (atadev->channel->chiptype) {
1390 case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */
1391 switch (mode) {
1392 default:
1393 case ATA_PIO0: t->pa = 9; t->pb = 19; t->mb = 7; t->mc = 15; break;
1394 case ATA_PIO1: t->pa = 5; t->pb = 12; t->mb = 7; t->mc = 15; break;
1395 case ATA_PIO2: t->pa = 3; t->pb = 8; t->mb = 7; t->mc = 15; break;
1396 case ATA_PIO3: t->pa = 2; t->pb = 6; t->mb = 7; t->mc = 15; break;
1397 case ATA_PIO4: t->pa = 1; t->pb = 4; t->mb = 7; t->mc = 15; break;
1398 case ATA_WDMA2: t->pa = 3; t->pb = 7; t->mb = 3; t->mc = 3; break;
1399 case ATA_UDMA2: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
1400 }
1401 break;
1402
1403 case 0x0d38105a: /* Promise Fasttrak 66 */
1404 case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */
1405 case 0x0d30105a: /* Promise OEM ATA 100 */
1406 case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */
1407 switch (mode) {
1408 default:
1409 case ATA_PIO0: t->pa = 15; t->pb = 31; t->mb = 7; t->mc = 15; break;
1410 case ATA_PIO1: t->pa = 10; t->pb = 24; t->mb = 7; t->mc = 15; break;
1411 case ATA_PIO2: t->pa = 6; t->pb = 16; t->mb = 7; t->mc = 15; break;
1412 case ATA_PIO3: t->pa = 4; t->pb = 12; t->mb = 7; t->mc = 15; break;
1413 case ATA_PIO4: t->pa = 2; t->pb = 8; t->mb = 7; t->mc = 15; break;
1414 case ATA_WDMA2: t->pa = 6; t->pb = 14; t->mb = 6; t->mc = 6; break;
1415 case ATA_UDMA2: t->pa = 6; t->pb = 14; t->mb = 2; t->mc = 2; break;
1416 case ATA_UDMA4: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
1417 case ATA_UDMA5: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
1418 }
1419 break;
1420 }
1421 pci_write_config(device_get_parent(atadev->channel->dev),
1422 0x60 + (devno << 2), timing, 4);
1423}
1424
1425static void
1426hpt_timing(struct ata_device *atadev, int devno, int mode)
1427{
1428 device_t parent = device_get_parent(atadev->channel->dev);
1429 u_int32_t chiptype = atadev->channel->chiptype;
1430 int chiprev = pci_get_revid(parent);
1431 u_int32_t timing;
1432
1433 if (chiptype == 0x00081103 && chiprev >= 0x07) {
1434 switch (mode) { /* HPT374 */
1435 case ATA_PIO0: timing = 0x0ac1f48a; break;
1436 case ATA_PIO1: timing = 0x0ac1f465; break;
1437 case ATA_PIO2: timing = 0x0a81f454; break;
1438 case ATA_PIO3: timing = 0x0a81f443; break;
1439 case ATA_PIO4: timing = 0x0a81f442; break;
1440 case ATA_WDMA2: timing = 0x22808242; break;
1441 case ATA_UDMA2: timing = 0x120c8242; break;
1442 case ATA_UDMA4: timing = 0x12ac8242; break;
1443 case ATA_UDMA5: timing = 0x12848242; break;
1444 case ATA_UDMA6: timing = 0x12808242; break;
1445 default: timing = 0x0d029d5e;
1446 }
1447 }
1448 else if ((chiptype == 0x00041103 && chiprev >= 0x05) ||
1449 (chiptype == 0x00051103 && chiprev >= 0x01)) {
1450 switch (mode) { /* HPT372 */
1451 case ATA_PIO0: timing = 0x0d029d5e; break;
1452 case ATA_PIO1: timing = 0x0d029d26; break;
1453 case ATA_PIO2: timing = 0x0c829ca6; break;
1454 case ATA_PIO3: timing = 0x0c829c84; break;
1455 case ATA_PIO4: timing = 0x0c829c62; break;
1456 case ATA_WDMA2: timing = 0x2c829262; break;
1457 case ATA_UDMA2: timing = 0x1c91dc62; break;
1458 case ATA_UDMA4: timing = 0x1c8ddc62; break;
1459 case ATA_UDMA5: timing = 0x1c6ddc62; break;
1460 case ATA_UDMA6: timing = 0x1c81dc62; break;
1461 default: timing = 0x0d029d5e;
1462 }
1463 }
1464 else if (chiptype == 0x00041103 && chiprev >= 0x03) {
1465 switch (mode) { /* HPT370 */
1466 case ATA_PIO0: timing = 0x06914e57; break;
1467 case ATA_PIO1: timing = 0x06914e43; break;
1468 case ATA_PIO2: timing = 0x06514e33; break;
1469 case ATA_PIO3: timing = 0x06514e22; break;
1470 case ATA_PIO4: timing = 0x06514e21; break;
1471 case ATA_WDMA2: timing = 0x26514e21; break;
1472 case ATA_UDMA2: timing = 0x16494e31; break;
1473 case ATA_UDMA4: timing = 0x16454e31; break;
1474 case ATA_UDMA5: timing = 0x16454e31; break;
1475 default: timing = 0x06514e57;
1476 }
1477 pci_write_config(parent, 0x40 + (devno << 2) , timing, 4);
1478 }
1479 else { /* HPT36[68] */
1480 switch (pci_read_config(parent, 0x41 + (devno << 2), 1)) {
1481 case 0x85: /* 25Mhz */
1482 switch (mode) {
1483 case ATA_PIO0: timing = 0x40d08585; break;
1484 case ATA_PIO1: timing = 0x40d08572; break;
1485 case ATA_PIO2: timing = 0x40ca8542; break;
1486 case ATA_PIO3: timing = 0x40ca8532; break;
1487 case ATA_PIO4: timing = 0x40ca8521; break;
1488 case ATA_WDMA2: timing = 0x20ca8521; break;
1489 case ATA_UDMA2: timing = 0x10cf8521; break;
1490 case ATA_UDMA4: timing = 0x10c98521; break;
1491 default: timing = 0x01208585;
1492 }
1493 break;
1494 default:
1495 case 0xa7: /* 33MHz */
1496 switch (mode) {
1497 case ATA_PIO0: timing = 0x40d0a7aa; break;
1498 case ATA_PIO1: timing = 0x40d0a7a3; break;
1499 case ATA_PIO2: timing = 0x40d0a753; break;
1500 case ATA_PIO3: timing = 0x40c8a742; break;
1501 case ATA_PIO4: timing = 0x40c8a731; break;
1502 case ATA_WDMA2: timing = 0x20c8a731; break;
1503 case ATA_UDMA2: timing = 0x10caa731; break;
1504 case ATA_UDMA4: timing = 0x10c9a731; break;
1505 default: timing = 0x0120a7a7;
1506 }
1507 break;
1508 case 0xd9: /* 40Mhz */
1509 switch (mode) {
1510 case ATA_PIO0: timing = 0x4018d9d9; break;
1511 case ATA_PIO1: timing = 0x4010d9c7; break;
1512 case ATA_PIO2: timing = 0x4010d997; break;
1513 case ATA_PIO3: timing = 0x4010d974; break;
1514 case ATA_PIO4: timing = 0x4008d963; break;
1515 case ATA_WDMA2: timing = 0x2008d943; break;
1516 case ATA_UDMA2: timing = 0x100bd943; break;
1517 case ATA_UDMA4: timing = 0x100fd943; break;
1518 default: timing = 0x0120d9d9;
1519 }
1520 }
1521 }
1522 pci_write_config(parent, 0x40 + (devno << 2) , timing, 4);
1523}
1524
1525static int
1526hpt_cable80(struct ata_device *atadev)
1527{
1528 device_t parent = device_get_parent(atadev->channel->dev);
1529 u_int8_t reg, val, res;
1530
1531 if (atadev->channel->chiptype==0x00081103 && pci_get_function(parent)==1) {
1532 reg = atadev->channel->unit ? 0x57 : 0x53;
1533 val = pci_read_config(parent, reg, 1);
1534 pci_write_config(parent, reg, val | 0x80, 1);
1535 }
1536 else {
1537 reg = 0x5b;
1538 val = pci_read_config(parent, reg, 1);
1539 pci_write_config(parent, reg, val & 0xfe, 1);
1540 }
1541 res = pci_read_config(parent, 0x5a, 1) & (atadev->channel->unit ? 0x1:0x2);
1542 pci_write_config(parent, reg, val, 1);
1543 return !res;
1544}
2 * Copyright (c) 1998,1999,2000,2001,2002 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/ata/ata-dma.c 100380 2002-07-19 22:14:54Z jhb $
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/ata.h>
34#include <sys/bio.h>
35#include <sys/endian.h>
36#include <sys/malloc.h>
37#include <sys/bus.h>
38#include <sys/disk.h>
39#include <sys/devicestat.h>
40#include <pci/pcivar.h>
41#include <machine/bus.h>
42#include <sys/rman.h>
43#include <dev/ata/ata-all.h>
44
45/* prototypes */
46static void ata_dmacreate(struct ata_device *, int, int);
47static void ata_dmasetupd_cb(void *, bus_dma_segment_t *, int, int);
48static void ata_dmasetupc_cb(void *, bus_dma_segment_t *, int, int);
49static void cyrix_timing(struct ata_device *, int, int);
50static void promise_timing(struct ata_device *, int, int);
51static void hpt_timing(struct ata_device *, int, int);
52static int hpt_cable80(struct ata_device *);
53
54/* misc defines */
55#define ATAPI_DEVICE(atadev) \
56 ((atadev->unit == ATA_MASTER && \
57 atadev->channel->devices & ATA_ATAPI_MASTER) || \
58 (atadev->unit == ATA_SLAVE && \
59 atadev->channel->devices & ATA_ATAPI_SLAVE))
60
61#define MAXSEGSZ PAGE_SIZE
62#define MAXTABSZ PAGE_SIZE
63#define MAXCTLDMASZ (2 * (MAXTABSZ + MAXPHYS))
64
65struct ata_dc_cb_args {
66 bus_addr_t maddr;
67 int error;
68};
69
70static void
71ata_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
72{
73 struct ata_dc_cb_args *cba = (struct ata_dc_cb_args *)xsc;
74
75 if (!(cba->error = error))
76 cba->maddr = segs[0].ds_addr;
77}
78
79int
80ata_dmaalloc(struct ata_device *atadev)
81{
82 struct ata_channel *ch;
83 struct ata_dc_cb_args ccba;
84 struct ata_dmastate *ds;
85 int error;
86
87 ch = atadev->channel;
88 ds = &atadev->dmastate;
89 if (!ds->cdmatag) {
90 if ((error = bus_dma_tag_create(ch->dmatag, 1, PAGE_SIZE,
91 BUS_SPACE_MAXADDR_32BIT,
92 BUS_SPACE_MAXADDR, NULL, NULL,
93 MAXTABSZ, 1, MAXTABSZ,
94 BUS_DMA_ALLOCNOW, &ds->cdmatag)))
95 return error;
96 }
97 if (!ds->ddmatag) {
98 if ((error = bus_dma_tag_create(ch->dmatag, ch->alignment + 1, 0,
99 BUS_SPACE_MAXADDR_32BIT,
100 BUS_SPACE_MAXADDR, NULL, NULL,
101 MAXPHYS, ATA_DMA_ENTRIES, MAXSEGSZ,
102 BUS_DMA_ALLOCNOW, &ds->ddmatag)))
103 return error;
104 }
105 if (!ds->mdmatab) {
106 if ((error = bus_dmamem_alloc(ds->cdmatag, (void **)&ds->dmatab, 0,
107 &ds->cdmamap)))
108 return error;
109
110 if ((error = bus_dmamap_load(ds->cdmatag, ds->cdmamap, ds->dmatab,
111 MAXTABSZ, ata_dmasetupc_cb, &ccba,
112 0)) != 0 || ccba.error != 0) {
113 bus_dmamem_free(ds->cdmatag, ds->dmatab, ds->cdmamap);
114 return error;
115 }
116 ds->mdmatab = ccba.maddr;
117 }
118 if (!ds->ddmamap) {
119 if ((error = bus_dmamap_create(ds->ddmatag, 0, &ds->ddmamap)) != 0)
120 return error;
121 }
122 return 0;
123}
124
125void
126ata_dmafree(struct ata_device *atadev)
127{
128 struct ata_dmastate *ds;
129
130 ds = &atadev->dmastate;
131 if (ds->mdmatab) {
132 bus_dmamap_unload(ds->cdmatag, ds->cdmamap);
133 bus_dmamem_free(ds->cdmatag, ds->dmatab, ds->cdmamap);
134 ds->mdmatab = 0;
135 ds->cdmamap = NULL;
136 ds->dmatab = NULL;
137 }
138 if (ds->ddmamap) {
139 bus_dmamap_destroy(ds->ddmatag, ds->ddmamap);
140 ds->ddmamap = NULL;
141 }
142 if (ds->cdmatag) {
143 bus_dma_tag_destroy(ds->cdmatag);
144 ds->cdmatag = NULL;
145 }
146 if (ds->ddmatag) {
147 bus_dma_tag_destroy(ds->ddmatag);
148 ds->ddmatag = NULL;
149 }
150}
151
152void
153ata_dmafreetags(struct ata_channel *ch)
154{
155
156 if (ch->dmatag) {
157 bus_dma_tag_destroy(ch->dmatag);
158 ch->dmatag = NULL;
159 }
160}
161
162static void
163ata_dmacreate(struct ata_device *atadev, int apiomode, int mode)
164{
165
166 atadev->mode = mode;
167 if (!atadev->channel->dmatag) {
168 if (bus_dma_tag_create(NULL, 1, 0,
169 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
170 NULL, NULL, MAXCTLDMASZ, ATA_DMA_ENTRIES,
171 BUS_SPACE_MAXSIZE_32BIT, 0,
172 &atadev->channel->dmatag)) {
173 ata_prtdev(atadev, "DMA tag allocation failed, disabling DMA\n");
174 ata_dmainit(atadev, apiomode, -1, -1);
175 }
176 }
177}
178
179void
180ata_dmainit(struct ata_device *atadev, int apiomode, int wdmamode, int udmamode)
181{
182 device_t parent = device_get_parent(atadev->channel->dev);
183 int chiptype = atadev->channel->chiptype;
184 int chiprev = pci_get_revid(parent);
185 int channel = atadev->channel->unit;
186 int device = ATA_DEV(atadev->unit);
187 int devno = (channel << 1) + device;
188 int error;
189
190 /* set our most pessimistic default mode */
191 atadev->mode = ATA_PIO;
192
193 if (!atadev->channel->r_bmio)
194 return;
195
196 /* if simplex controller, only allow DMA on primary channel */
197 if (channel == 1) {
198 ATA_OUTB(atadev->channel->r_bmio, ATA_BMSTAT_PORT,
199 ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
200 (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE));
201 if (ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
202 ATA_BMSTAT_DMA_SIMPLEX) {
203 ata_prtdev(atadev, "simplex device, DMA on primary only\n");
204 return;
205 }
206 }
207
208 /* DMA engine address alignment is usually 1 word (2 bytes) */
209 atadev->channel->alignment = 0x1;
210
211#if 1
212 if (udmamode > 2 && !atadev->param->hwres_cblid) {
213 ata_prtdev(atadev,"DMA limited to UDMA33, non-ATA66 cable or device\n");
214 udmamode = 2;
215 }
216#endif
217 switch (chiptype) {
218
219 case 0x24cb8086: /* Intel ICH4 */
220 case 0x248a8086: /* Intel ICH3 mobile */
221 case 0x248b8086: /* Intel ICH3 */
222 case 0x244a8086: /* Intel ICH2 mobile */
223 case 0x244b8086: /* Intel ICH2 */
224 if (udmamode >= 5) {
225 int32_t mask48, new48;
226 int16_t word54;
227
228 word54 = pci_read_config(parent, 0x54, 2);
229 if (word54 & (0x10 << devno)) {
230 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
231 ATA_UDMA5, ATA_C_F_SETXFER,ATA_WAIT_READY);
232 if (bootverbose)
233 ata_prtdev(atadev, "%s setting UDMA5 on Intel chip\n",
234 (error) ? "failed" : "success");
235 if (!error) {
236 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
237 new48 = (1 << devno) + (1 << (16 + (devno << 2)));
238 pci_write_config(parent, 0x48,
239 (pci_read_config(parent, 0x48, 4) &
240 ~mask48) | new48, 4);
241 pci_write_config(parent, 0x54, word54 | (0x1000<<devno), 2);
242 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
243 return;
244 }
245 }
246 }
247 /* make sure eventual ATA100 mode from the BIOS is disabled */
248 pci_write_config(parent, 0x54,
249 pci_read_config(parent, 0x54, 2) & ~(0x1000<<devno),2);
250 /* FALLTHROUGH */
251
252 case 0x24118086: /* Intel ICH */
253 case 0x76018086: /* Intel ICH */
254 if (udmamode >= 4) {
255 int32_t mask48, new48;
256 int16_t word54;
257
258 word54 = pci_read_config(parent, 0x54, 2);
259 if (word54 & (0x10 << devno)) {
260 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
261 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
262 if (bootverbose)
263 ata_prtdev(atadev, "%s setting UDMA4 on Intel chip\n",
264 (error) ? "failed" : "success");
265 if (!error) {
266 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
267 new48 = (1 << devno) + (2 << (16 + (devno << 2)));
268 pci_write_config(parent, 0x48,
269 (pci_read_config(parent, 0x48, 4) &
270 ~mask48) | new48, 4);
271 pci_write_config(parent, 0x54, word54 | (1 << devno), 2);
272 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
273 return;
274 }
275 }
276 }
277 /* make sure eventual ATA66 mode from the BIOS is disabled */
278 pci_write_config(parent, 0x54,
279 pci_read_config(parent, 0x54, 2) & ~(1 << devno), 2);
280 /* FALLTHROUGH */
281
282 case 0x71118086: /* Intel PIIX4 */
283 case 0x84CA8086: /* Intel PIIX4 */
284 case 0x71998086: /* Intel PIIX4e */
285 case 0x24218086: /* Intel ICH0 */
286 if (udmamode >= 2) {
287 int32_t mask48, new48;
288
289 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
290 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
291 if (bootverbose)
292 ata_prtdev(atadev, "%s setting UDMA2 on Intel chip\n",
293 (error) ? "failed" : "success");
294 if (!error) {
295 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
296 new48 = (1 << devno) + (2 << (16 + (devno << 2)));
297 pci_write_config(parent, 0x48,
298 (pci_read_config(parent, 0x48, 4) &
299 ~mask48) | new48, 4);
300 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
301 return;
302 }
303 }
304 /* make sure eventual ATA33 mode from the BIOS is disabled */
305 pci_write_config(parent, 0x48,
306 pci_read_config(parent, 0x48, 4) & ~(1 << devno), 4);
307 /* FALLTHROUGH */
308
309 case 0x70108086: /* Intel PIIX3 */
310 if (wdmamode >= 2 && apiomode >= 4) {
311 int32_t mask40, new40, mask44, new44;
312
313 /* if SITRE not set doit for both channels */
314 if (!((pci_read_config(parent, 0x40, 4) >> (channel<<8)) & 0x4000)){
315 new40 = pci_read_config(parent, 0x40, 4);
316 new44 = pci_read_config(parent, 0x44, 4);
317 if (!(new40 & 0x00004000)) {
318 new44 &= ~0x0000000f;
319 new44 |= ((new40&0x00003000)>>10)|((new40&0x00000300)>>8);
320 }
321 if (!(new40 & 0x40000000)) {
322 new44 &= ~0x000000f0;
323 new44 |= ((new40&0x30000000)>>22)|((new40&0x03000000)>>20);
324 }
325 new40 |= 0x40004000;
326 pci_write_config(parent, 0x40, new40, 4);
327 pci_write_config(parent, 0x44, new44, 4);
328 }
329 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
330 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
331 if (bootverbose)
332 ata_prtdev(atadev, "%s setting WDMA2 on Intel chip\n",
333 (error) ? "failed" : "success");
334 if (!error) {
335 if (device == ATA_MASTER) {
336 mask40 = 0x0000330f;
337 new40 = 0x00002307;
338 mask44 = 0;
339 new44 = 0;
340 }
341 else {
342 mask40 = 0x000000f0;
343 new40 = 0x00000070;
344 mask44 = 0x0000000f;
345 new44 = 0x0000000b;
346 }
347 if (channel) {
348 mask40 <<= 16;
349 new40 <<= 16;
350 mask44 <<= 4;
351 new44 <<= 4;
352 }
353 pci_write_config(parent, 0x40,
354 (pci_read_config(parent, 0x40, 4) & ~mask40)|
355 new40, 4);
356 pci_write_config(parent, 0x44,
357 (pci_read_config(parent, 0x44, 4) & ~mask44)|
358 new44, 4);
359 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
360 return;
361 }
362 }
363 /* we could set PIO mode timings, but we assume the BIOS did that */
364 break;
365
366 case 0x12308086: /* Intel PIIX */
367 if (wdmamode >= 2 && apiomode >= 4) {
368 int32_t word40;
369
370 word40 = pci_read_config(parent, 0x40, 4);
371 word40 >>= channel * 16;
372
373 /* Check for timing config usable for DMA on controller */
374 if (!((word40 & 0x3300) == 0x2300 &&
375 ((word40 >> (device ? 4 : 0)) & 1) == 1))
376 break;
377
378 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
379 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
380 if (bootverbose)
381 ata_prtdev(atadev, "%s setting WDMA2 on Intel chip\n",
382 (error) ? "failed" : "success");
383 if (!error) {
384 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
385 return;
386 }
387 }
388 break;
389
390 case 0x522910b9: /* AcerLabs Aladdin IV/V */
391 /* the older Aladdin doesn't support ATAPI DMA on both master & slave */
392 if (chiprev < 0xc2 &&
393 atadev->channel->devices & ATA_ATAPI_MASTER &&
394 atadev->channel->devices & ATA_ATAPI_SLAVE) {
395 ata_prtdev(atadev, "two atapi devices on this channel, no DMA\n");
396 break;
397 }
398 pci_write_config(parent, 0x58 + (channel << 2), 0x00310001, 4);
399 if (udmamode >= 5 && chiprev >= 0xc4) {
400 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
401 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
402 if (bootverbose)
403 ata_prtdev(atadev, "%s setting UDMA5 on Acer chip\n",
404 (error) ? "failed" : "success");
405 if (!error) {
406 int32_t word54 = pci_read_config(parent, 0x54, 4);
407
408 pci_write_config(parent, 0x4b,
409 pci_read_config(parent, 0x4b, 1) | 0x01, 1);
410 word54 &= ~(0x000f000f << (devno << 2));
411 word54 |= (0x000f0005 << (devno << 2));
412 pci_write_config(parent, 0x54, word54, 4);
413 pci_write_config(parent, 0x53,
414 pci_read_config(parent, 0x53, 1) | 0x03, 1);
415 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
416 return;
417 }
418 }
419 if (udmamode >= 4 && chiprev >= 0xc2) {
420 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
421 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
422 if (bootverbose)
423 ata_prtdev(atadev, "%s setting UDMA4 on Acer chip\n",
424 (error) ? "failed" : "success");
425 if (!error) {
426 int32_t word54 = pci_read_config(parent, 0x54, 4);
427
428 pci_write_config(parent, 0x4b,
429 pci_read_config(parent, 0x4b, 1) | 0x01, 1);
430 word54 &= ~(0x000f000f << (devno << 2));
431 word54 |= (0x00080005 << (devno << 2));
432 pci_write_config(parent, 0x54, word54, 4);
433 pci_write_config(parent, 0x53,
434 pci_read_config(parent, 0x53, 1) | 0x03, 1);
435 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
436 return;
437 }
438 }
439 if (udmamode >= 2 && chiprev >= 0x20) {
440 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
441 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
442 if (bootverbose)
443 ata_prtdev(atadev, "%s setting UDMA2 on Acer chip\n",
444 (error) ? "failed" : "success");
445 if (!error) {
446 int32_t word54 = pci_read_config(parent, 0x54, 4);
447
448 word54 &= ~(0x000f000f << (devno << 2));
449 word54 |= (0x000a0005 << (devno << 2));
450 pci_write_config(parent, 0x54, word54, 4);
451 pci_write_config(parent, 0x53,
452 pci_read_config(parent, 0x53, 1) | 0x03, 1);
453 atadev->channel->flags |= ATA_ATAPI_DMA_RO;
454 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
455 return;
456 }
457 }
458
459 /* make sure eventual UDMA mode from the BIOS is disabled */
460 pci_write_config(parent, 0x56, pci_read_config(parent, 0x56, 2) &
461 ~(0x0008 << (devno << 2)), 2);
462
463 if (wdmamode >= 2 && apiomode >= 4) {
464 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
465 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
466 if (bootverbose)
467 ata_prtdev(atadev, "%s setting WDMA2 on Acer chip\n",
468 (error) ? "failed" : "success");
469 if (!error) {
470 pci_write_config(parent, 0x53,
471 pci_read_config(parent, 0x53, 1) | 0x03, 1);
472 atadev->channel->flags |= ATA_ATAPI_DMA_RO;
473 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
474 return;
475 }
476 }
477 pci_write_config(parent, 0x53,
478 (pci_read_config(parent, 0x53, 1) & ~0x01) | 0x02, 1);
479 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
480 ATA_PIO0 + apiomode,
481 ATA_C_F_SETXFER, ATA_WAIT_READY);
482 if (bootverbose)
483 ata_prtdev(atadev, "%s setting PIO%d on Acer chip\n",
484 (error) ? "failed" : "success",
485 (apiomode >= 0) ? apiomode : 0);
486 if (!error) {
487 int32_t word54 = pci_read_config(parent, 0x54, 4);
488 int32_t timing;
489
490 switch(ATA_PIO0 + apiomode) {
491 case ATA_PIO0: timing = 0x006d0003;
492 case ATA_PIO1: timing = 0x00580002;
493 case ATA_PIO2: timing = 0x00440001;
494 case ATA_PIO3: timing = 0x00330001;
495 case ATA_PIO4: timing = 0x00310001;
496 default: timing = 0x006d0003;
497 }
498 pci_write_config(parent, 0x58 + (channel << 2), timing, 4);
499 word54 &= ~(0x000f000f << (devno << 2));
500 word54 |= (0x00000004 << (devno << 2));
501 pci_write_config(parent, 0x54, word54, 4);
502 atadev->mode = ATA_PIO0 + apiomode;
503 return;
504 }
505 break;
506
507 case 0x01bc10de: /* nVIDIA nForce */
508 case 0x74411022: /* AMD 768 */
509 case 0x74111022: /* AMD 766 */
510 case 0x74091022: /* AMD 756 */
511 case 0x05711106: /* VIA 82C571, 82C586, 82C596, 82C686 , 8231, 8233 */
512 {
513 int via_modes[5][7] = {
514 { 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00 }, /* VIA ATA33 */
515 { 0x00, 0x00, 0xea, 0x00, 0xe8, 0x00, 0x00 }, /* VIA ATA66 */
516 { 0x00, 0x00, 0xf4, 0x00, 0xf1, 0xf0, 0x00 }, /* VIA ATA100 */
517 { 0x00, 0x00, 0xf6, 0x00, 0xf2, 0xf1, 0xf0 }, /* VIA ATA133 */
518 { 0x00, 0x00, 0xc0, 0x00, 0xc5, 0xc6, 0x00 }}; /* AMD/nVIDIA */
519 int *reg_val = NULL;
520 char *chip = "VIA";
521
522 if (ata_find_dev(parent, 0x31471106, 0)) { /* 8233a */
523 udmamode = imin(udmamode, 6);
524 reg_val = via_modes[3];
525 }
526 else if (ata_find_dev(parent, 0x06861106, 0x40) || /* 82C686b */
527 ata_find_dev(parent, 0x82311106, 0) || /* 8231 */
528 ata_find_dev(parent, 0x30741106, 0) || /* 8233 */
529 ata_find_dev(parent, 0x31091106, 0)) { /* 8233c */
530 udmamode = imin(udmamode, 5);
531 reg_val = via_modes[2];
532 }
533 else if (ata_find_dev(parent, 0x06861106, 0x10) || /* 82C686a */
534 ata_find_dev(parent, 0x05961106, 0x12)) { /* 82C596b */
535 udmamode = imin(udmamode, 4);
536 reg_val = via_modes[1];
537 }
538 else if (ata_find_dev(parent, 0x06861106, 0)) { /* 82C686 */
539 udmamode = imin(udmamode, 2);
540 reg_val = via_modes[1];
541 }
542 else if (ata_find_dev(parent, 0x05961106, 0) || /* 82C596a */
543 ata_find_dev(parent, 0x05861106, 0x03)) { /* 82C586b */
544 udmamode = imin(udmamode, 2);
545 reg_val = via_modes[0];
546 }
547 else if (chiptype == 0x74411022 || /* AMD 768 */
548 chiptype == 0x74111022) { /* AMD 766 */
549 udmamode = imin(udmamode, 5);
550 reg_val = via_modes[4];
551 chip = "AMD";
552 }
553 else if (chiptype == 0x74091022) { /* AMD 756 */
554 udmamode = imin(udmamode, 4);
555 reg_val = via_modes[4];
556 chip = "AMD";
557 }
558 else if (chiptype == 0x01bc10de) { /* nVIDIA */
559 udmamode = imin(udmamode, 5);
560 reg_val = via_modes[4];
561 chip = "nVIDIA";
562 }
563 else
564 udmamode = 0;
565
566 if (udmamode >= 6) {
567 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
568 ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
569 if (bootverbose)
570 ata_prtdev(atadev, "%s setting UDMA6 on %s chip\n",
571 (error) ? "failed" : "success", chip);
572 if (!error) {
573 pci_write_config(parent, 0x53 - devno, reg_val[6], 1);
574 ata_dmacreate(atadev, apiomode, ATA_UDMA6);
575 return;
576 }
577 }
578 if (udmamode >= 5) {
579 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
580 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
581 if (bootverbose)
582 ata_prtdev(atadev, "%s setting UDMA5 on %s chip\n",
583 (error) ? "failed" : "success", chip);
584 if (!error) {
585 pci_write_config(parent, 0x53 - devno, reg_val[5], 1);
586 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
587 return;
588 }
589 }
590 if (udmamode >= 4) {
591 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
592 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
593 if (bootverbose)
594 ata_prtdev(atadev, "%s setting UDMA4 on %s chip\n",
595 (error) ? "failed" : "success", chip);
596 if (!error) {
597 pci_write_config(parent, 0x53 - devno, reg_val[4], 1);
598 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
599 return;
600 }
601 }
602 if (udmamode >= 2) {
603 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
604 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
605 if (bootverbose)
606 ata_prtdev(atadev, "%s setting UDMA2 on %s chip\n",
607 (error) ? "failed" : "success", chip);
608 if (!error) {
609 pci_write_config(parent, 0x53 - devno, reg_val[2], 1);
610 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
611 return;
612 }
613 }
614 if (wdmamode >= 2 && apiomode >= 4) {
615 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
616 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
617 if (bootverbose)
618 ata_prtdev(atadev, "%s setting WDMA2 on %s chip\n",
619 (error) ? "failed" : "success", chip);
620 if (!error) {
621 pci_write_config(parent, 0x53 - devno, 0x0b, 1);
622 pci_write_config(parent, 0x4b - devno, 0x31, 1);
623 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
624 return;
625 }
626 }
627 }
628 /* we could set PIO mode timings, but we assume the BIOS did that */
629 break;
630
631 case 0x55131039: /* SiS 5591 */
632 if (ata_find_dev(parent, 0x06301039, 0x30) || /* SiS 630 */
633 ata_find_dev(parent, 0x06331039, 0) || /* SiS 633 */
634 ata_find_dev(parent, 0x06351039, 0) || /* SiS 635 */
635 ata_find_dev(parent, 0x06401039, 0) || /* SiS 640 */
636 ata_find_dev(parent, 0x06451039, 0) || /* SiS 645 */
637 ata_find_dev(parent, 0x06501039, 0) || /* SiS 650 */
638 ata_find_dev(parent, 0x07301039, 0) || /* SiS 730 */
639 ata_find_dev(parent, 0x07331039, 0) || /* SiS 733 */
640 ata_find_dev(parent, 0x07351039, 0) || /* SiS 735 */
641 ata_find_dev(parent, 0x07401039, 0) || /* SiS 740 */
642 ata_find_dev(parent, 0x07451039, 0) || /* SiS 745 */
643 ata_find_dev(parent, 0x07501039, 0)) { /* SiS 750 */
644 int8_t reg = 0x40 + (devno << 1);
645 int16_t val = pci_read_config(parent, reg, 2) & 0x0fff;
646
647 if (udmamode >= 5) {
648 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
649 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
650 if (bootverbose)
651 ata_prtdev(atadev, "%s setting UDMA5 on SiS chip\n",
652 (error) ? "failed" : "success");
653 if (!error) {
654 pci_write_config(parent, reg, val | 0x8000, 2);
655 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
656 return;
657 }
658 }
659 if (udmamode >= 4) {
660 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
661 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
662 if (bootverbose)
663 ata_prtdev(atadev, "%s setting UDMA4 on SiS chip\n",
664 (error) ? "failed" : "success");
665 if (!error) {
666 pci_write_config(parent, reg, val | 0x9000, 2);
667 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
668 return;
669 }
670 }
671 if (udmamode >= 2) {
672 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
673 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
674 if (bootverbose)
675 ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
676 (error) ? "failed" : "success");
677 if (!error) {
678 pci_write_config(parent, reg, val | 0xb000, 2);
679 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
680 return;
681 }
682 }
683 } else if (ata_find_dev(parent, 0x05301039, 0) || /* SiS 530 */
684 ata_find_dev(parent, 0x05401039, 0) || /* SiS 540 */
685 ata_find_dev(parent, 0x06201039, 0) || /* SiS 620 */
686 ata_find_dev(parent, 0x06301039, 0)) { /* SiS 630 */
687 int8_t reg = 0x40 + (devno << 1);
688 int16_t val = pci_read_config(parent, reg, 2) & 0x0fff;
689
690 if (udmamode >= 4) {
691 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
692 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
693 if (bootverbose)
694 ata_prtdev(atadev, "%s setting UDMA4 on SiS chip\n",
695 (error) ? "failed" : "success");
696 if (!error) {
697 pci_write_config(parent, reg, val | 0x9000, 2);
698 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
699 return;
700 }
701 }
702 if (udmamode >= 2) {
703 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
704 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
705 if (bootverbose)
706 ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
707 (error) ? "failed" : "success");
708 if (!error) {
709 pci_write_config(parent, reg, val | 0xa000, 2);
710 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
711 return;
712 }
713 }
714 } else if (udmamode >= 2 && chiprev > 0xc1) {
715 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
716 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
717 if (bootverbose)
718 ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
719 (error) ? "failed" : "success");
720 if (!error) {
721 pci_write_config(parent, 0x40 + (devno << 1), 0xa301, 2);
722 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
723 return;
724 }
725 }
726 if (wdmamode >=2 && apiomode >= 4) {
727 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
728 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
729 if (bootverbose)
730 ata_prtdev(atadev, "%s setting WDMA2 on SiS chip\n",
731 (error) ? "failed" : "success");
732 if (!error) {
733 pci_write_config(parent, 0x40 + (devno << 1), 0x0301, 2);
734 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
735 return;
736 }
737 }
738 /* we could set PIO mode timings, but we assume the BIOS did that */
739 break;
740
741 case 0x06491095: /* CMD 649 ATA100 controller */
742 if (udmamode >= 5) {
743 u_int8_t umode;
744
745 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
746 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
747 if (bootverbose)
748 ata_prtdev(atadev, "%s setting UDMA5 on CMD chip\n",
749 (error) ? "failed" : "success");
750 if (!error) {
751 umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
752 umode &= ~(device ? 0xca : 0x35);
753 umode |= (device ? 0x0a : 0x05);
754 pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
755 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
756 return;
757 }
758 }
759 /* FALLTHROUGH */
760
761 case 0x06481095: /* CMD 648 ATA66 controller */
762 if (udmamode >= 4) {
763 u_int8_t umode;
764
765 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
766 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
767 if (bootverbose)
768 ata_prtdev(atadev, "%s setting UDMA4 on CMD chip\n",
769 (error) ? "failed" : "success");
770 if (!error) {
771 umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
772 umode &= ~(device ? 0xca : 0x35);
773 umode |= (device ? 0x4a : 0x15);
774 pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
775 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
776 return;
777 }
778 }
779 if (udmamode >= 2) {
780 u_int8_t umode;
781
782 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
783 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
784 if (bootverbose)
785 ata_prtdev(atadev, "%s setting UDMA2 on CMD chip\n",
786 (error) ? "failed" : "success");
787 if (!error) {
788 umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
789 umode &= ~(device ? 0xca : 0x35);
790 umode |= (device ? 0x42 : 0x11);
791 pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
792 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
793 return;
794 }
795 }
796 /* make sure eventual UDMA mode from the BIOS is disabled */
797 pci_write_config(parent, channel ? 0x7b : 0x73,
798 pci_read_config(parent, channel ? 0x7b : 0x73, 1) &
799 ~(device ? 0xca : 0x53), 1);
800 /* FALLTHROUGH */
801
802 case 0x06461095: /* CMD 646 ATA controller */
803 if (wdmamode >= 2 && apiomode >= 4) {
804 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
805 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
806 if (bootverbose)
807 ata_prtdev(atadev, "%s setting WDMA2 on CMD chip\n",
808 error ? "failed" : "success");
809 if (!error) {
810 int32_t offset = (devno < 3) ? (devno << 1) : 7;
811
812 pci_write_config(parent, 0x54 + offset, 0x3f, 1);
813 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
814 return;
815 }
816 }
817 /* we could set PIO mode timings, but we assume the BIOS did that */
818 break;
819
820 case 0xc6931080: /* Cypress 82c693 ATA controller */
821 if (wdmamode >= 2 && apiomode >= 4) {
822 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
823 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
824 if (bootverbose)
825 ata_prtdev(atadev, "%s setting WDMA2 on Cypress chip\n",
826 error ? "failed" : "success");
827 if (!error) {
828 pci_write_config(atadev->channel->dev,
829 channel ? 0x4e:0x4c, 0x2020, 2);
830 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
831 return;
832 }
833 }
834 /* we could set PIO mode timings, but we assume the BIOS did that */
835 break;
836
837 case 0x01021078: /* Cyrix 5530 ATA33 controller */
838 atadev->channel->alignment = 0xf;
839 if (udmamode >= 2) {
840 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
841 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
842 if (bootverbose)
843 ata_prtdev(atadev, "%s setting UDMA2 on Cyrix chip\n",
844 (error) ? "failed" : "success");
845 if (!error) {
846 cyrix_timing(atadev, devno, ATA_UDMA2);
847 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
848 return;
849 }
850 }
851 if (wdmamode >= 2 && apiomode >= 4) {
852 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
853 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
854 if (bootverbose)
855 ata_prtdev(atadev, "%s setting WDMA2 on Cyrix chip\n",
856 (error) ? "failed" : "success");
857 if (!error) {
858 cyrix_timing(atadev, devno, ATA_WDMA2);
859 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
860 return;
861 }
862 }
863 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
864 ATA_PIO0 + apiomode, ATA_C_F_SETXFER,
865 ATA_WAIT_READY);
866 if (bootverbose)
867 ata_prtdev(atadev, "%s setting %s on Cyrix chip\n",
868 (error) ? "failed" : "success",
869 ata_mode2str(ATA_PIO0 + apiomode));
870 cyrix_timing(atadev, devno, ATA_PIO0 + apiomode);
871 atadev->mode = ATA_PIO0 + apiomode;
872 return;
873
874 case 0x02121166: /* ServerWorks CSB5 ATA66/100 controller */
875 if (udmamode >= 5 && chiprev >= 0x92) {
876 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
877 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
878 if (bootverbose)
879 ata_prtdev(atadev, "%s setting UDMA5 on ServerWorks chip\n",
880 (error) ? "failed" : "success");
881 if (!error) {
882 u_int16_t reg56;
883
884 pci_write_config(parent, 0x54,
885 pci_read_config(parent, 0x54, 1) |
886 (0x01 << devno), 1);
887 reg56 = pci_read_config(parent, 0x56, 2);
888 reg56 &= ~(0xf << (devno * 4));
889 reg56 |= (0x5 << (devno * 4));
890 pci_write_config(parent, 0x56, reg56, 2);
891 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
892 return;
893 }
894 }
895 if (udmamode >= 4) {
896 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
897 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
898 if (bootverbose)
899 ata_prtdev(atadev, "%s setting UDMA4 on ServerWorks chip\n",
900 (error) ? "failed" : "success");
901 if (!error) {
902 u_int16_t reg56;
903
904 pci_write_config(parent, 0x54,
905 pci_read_config(parent, 0x54, 1) |
906 (0x01 << devno), 1);
907 reg56 = pci_read_config(parent, 0x56, 2);
908 reg56 &= ~(0xf << (devno * 4));
909 reg56 |= (0x4 << (devno * 4));
910 pci_write_config(parent, 0x56, reg56, 2);
911 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
912 return;
913 }
914 }
915 /* FALLTHROUGH */
916
917 case 0x02111166: /* ServerWorks ROSB4 ATA33 controller */
918 if (udmamode >= 2) {
919 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
920 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
921 if (bootverbose)
922 ata_prtdev(atadev, "%s setting UDMA2 on ServerWorks chip\n",
923 (error) ? "failed" : "success");
924 if (!error) {
925 u_int16_t reg56;
926
927 pci_write_config(parent, 0x54,
928 pci_read_config(parent, 0x54, 1) |
929 (0x01 << devno), 1);
930 reg56 = pci_read_config(parent, 0x56, 2);
931 reg56 &= ~(0xf << (devno * 4));
932 reg56 |= (0x2 << (devno * 4));
933 pci_write_config(parent, 0x56, reg56, 2);
934 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
935 return;
936 }
937 }
938 if (wdmamode >= 2 && apiomode >= 4) {
939 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
940 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
941 if (bootverbose)
942 ata_prtdev(atadev, "%s setting WDMA2 on ServerWorks chip\n",
943 (error) ? "failed" : "success");
944 if (!error) {
945 int offset = devno ^ 0x01;
946 int word44 = pci_read_config(parent, 0x44, 4);
947
948 pci_write_config(parent, 0x54,
949 pci_read_config(parent, 0x54, 1) &
950 ~(0x01 << devno), 1);
951 word44 &= ~(0xff << (offset << 8));
952 word44 |= (0x20 << (offset << 8));
953 pci_write_config(parent, 0x44, 0x20, 4);
954 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
955 return;
956 }
957 }
958 /* we could set PIO mode timings, but we assume the BIOS did that */
959 break;
960
961 case 0x4d69105a: /* Promise TX2 ATA133 controllers */
962 case 0x5275105a: /* Promise TX2 ATA133 controllers */
963 case 0x6269105a: /* Promise TX2 ATA133 controllers */
964 ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
965 if (udmamode >= 6 &&
966 !(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
967 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
968 ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
969 if (bootverbose)
970 ata_prtdev(atadev, "%s setting UDMA6 on Promise chip\n",
971 (error) ? "failed" : "success");
972 if (!error) {
973 ata_dmacreate(atadev, apiomode, ATA_UDMA6);
974 return;
975 }
976 }
977 /* FALLTHROUGH */
978
979 case 0x4d68105a: /* Promise TX2 ATA100 controllers */
980 case 0x6268105a: /* Promise TX2 ATA100 controllers */
981 ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
982 if (udmamode >= 5 &&
983 !(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
984 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
985 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
986 if (bootverbose)
987 ata_prtdev(atadev, "%s setting UDMA5 on Promise chip\n",
988 (error) ? "failed" : "success");
989 if (!error) {
990 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
991 return;
992 }
993 }
994 ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
995 if (udmamode >= 4 &&
996 !(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
997 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
998 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
999 if (bootverbose)
1000 ata_prtdev(atadev, "%s setting UDMA4 on Promise chip\n",
1001 (error) ? "failed" : "success");
1002 if (!error) {
1003 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
1004 return;
1005 }
1006 }
1007 if (udmamode >= 2) {
1008 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1009 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1010 if (bootverbose)
1011 ata_prtdev(atadev, "%s setting UDMA on Promise chip\n",
1012 (error) ? "failed" : "success");
1013 if (!error) {
1014 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
1015 return;
1016 }
1017 }
1018 if (wdmamode >= 2 && apiomode >= 4) {
1019 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1020 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1021 if (bootverbose)
1022 ata_prtdev(atadev, "%s setting WDMA2 on Promise chip\n",
1023 (error) ? "failed" : "success");
1024 if (!error) {
1025 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1026 return;
1027 }
1028 }
1029 break;
1030
1031 case 0x0d30105a: /* Promise OEM ATA100 controllers */
1032 case 0x4d30105a: /* Promise Ultra/FastTrak 100 controllers */
1033 if (!ATAPI_DEVICE(atadev) && udmamode >= 5 &&
1034 !(pci_read_config(parent, 0x50, 2) & (channel ? 1<<11 : 1<<10))) {
1035 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1036 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
1037 if (bootverbose)
1038 ata_prtdev(atadev, "%s setting UDMA5 on Promise chip\n",
1039 (error) ? "failed" : "success");
1040 if (!error) {
1041 promise_timing(atadev, devno, ATA_UDMA5);
1042 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
1043 return;
1044 }
1045 }
1046 /* FALLTHROUGH */
1047
1048 case 0x0d38105a: /* Promise FastTrak 66 controllers */
1049 case 0x4d38105a: /* Promise Ultra/FastTrak 66 controllers */
1050 if (!ATAPI_DEVICE(atadev) && udmamode >= 4 &&
1051 !(pci_read_config(parent, 0x50, 2) & (channel ? 1<<11 : 1<<10))) {
1052 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1053 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
1054 if (bootverbose)
1055 ata_prtdev(atadev, "%s setting UDMA4 on Promise chip\n",
1056 (error) ? "failed" : "success");
1057 if (!error) {
1058 promise_timing(atadev, devno, ATA_UDMA4);
1059 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
1060 return;
1061 }
1062 }
1063 /* FALLTHROUGH */
1064
1065 case 0x4d33105a: /* Promise Ultra/FastTrak 33 controllers */
1066 if (!ATAPI_DEVICE(atadev) && udmamode >= 2) {
1067 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1068 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1069 if (bootverbose)
1070 ata_prtdev(atadev, "%s setting UDMA2 on Promise chip\n",
1071 (error) ? "failed" : "success");
1072 if (!error) {
1073 promise_timing(atadev, devno, ATA_UDMA2);
1074 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
1075 return;
1076 }
1077 }
1078 if (!ATAPI_DEVICE(atadev) && wdmamode >= 2 && apiomode >= 4) {
1079 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1080 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1081 if (bootverbose)
1082 ata_prtdev(atadev, "%s setting WDMA2 on Promise chip\n",
1083 (error) ? "failed" : "success");
1084 if (!error) {
1085 promise_timing(atadev, devno, ATA_WDMA2);
1086 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1087 return;
1088 }
1089 }
1090 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1091 ATA_PIO0 + apiomode,
1092 ATA_C_F_SETXFER, ATA_WAIT_READY);
1093 if (bootverbose)
1094 ata_prtdev(atadev, "%s setting PIO%d on Promise chip\n",
1095 (error) ? "failed" : "success",
1096 (apiomode >= 0) ? apiomode : 0);
1097 promise_timing(atadev, devno, ATA_PIO0 + apiomode);
1098 atadev->mode = ATA_PIO0 + apiomode;
1099 return;
1100
1101 case 0x00041103: /* HighPoint HPT366/368/370/372 controllers */
1102 case 0x00051103: /* HighPoint HPT372 controllers */
1103 case 0x00081103: /* HighPoint HPT374 controllers */
1104 if (!ATAPI_DEVICE(atadev) && udmamode >= 6 && hpt_cable80(atadev) &&
1105 ((chiptype == 0x00041103 && chiprev >= 0x05) ||
1106 (chiptype == 0x00051103 && chiprev >= 0x01) ||
1107 (chiptype == 0x00081103 && chiprev >= 0x07))) {
1108 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1109 ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
1110 if (bootverbose)
1111 ata_prtdev(atadev, "%s setting UDMA6 on HighPoint chip\n",
1112 (error) ? "failed" : "success");
1113 if (!error) {
1114 hpt_timing(atadev, devno, ATA_UDMA6);
1115 ata_dmacreate(atadev, apiomode, ATA_UDMA6);
1116 return;
1117 }
1118 }
1119 if (!ATAPI_DEVICE(atadev) && udmamode >= 5 && hpt_cable80(atadev) &&
1120 ((chiptype == 0x00041103 && chiprev >= 0x03) ||
1121 (chiptype == 0x00051103 && chiprev >= 0x01) ||
1122 (chiptype == 0x00081103 && chiprev >= 0x07))) {
1123 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1124 ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
1125 if (bootverbose)
1126 ata_prtdev(atadev, "%s setting UDMA5 on HighPoint chip\n",
1127 (error) ? "failed" : "success");
1128 if (!error) {
1129 hpt_timing(atadev, devno, ATA_UDMA5);
1130 ata_dmacreate(atadev, apiomode, ATA_UDMA5);
1131 return;
1132 }
1133 }
1134 if (!ATAPI_DEVICE(atadev) && udmamode >= 4 && hpt_cable80(atadev)) {
1135 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1136 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
1137 if (bootverbose)
1138 ata_prtdev(atadev, "%s setting UDMA4 on HighPoint chip\n",
1139 (error) ? "failed" : "success");
1140 if (!error) {
1141 hpt_timing(atadev, devno, ATA_UDMA4);
1142 ata_dmacreate(atadev, apiomode, ATA_UDMA4);
1143 return;
1144 }
1145 }
1146 if (!ATAPI_DEVICE(atadev) && udmamode >= 2) {
1147 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1148 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1149 if (bootverbose)
1150 ata_prtdev(atadev, "%s setting UDMA2 on HighPoint chip\n",
1151 (error) ? "failed" : "success");
1152 if (!error) {
1153 hpt_timing(atadev, devno, ATA_UDMA2);
1154 ata_dmacreate(atadev, apiomode, ATA_UDMA2);
1155 return;
1156 }
1157 }
1158 if (!ATAPI_DEVICE(atadev) && wdmamode >= 2 && apiomode >= 4) {
1159 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1160 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1161 if (bootverbose)
1162 ata_prtdev(atadev, "%s setting WDMA2 on HighPoint chip\n",
1163 (error) ? "failed" : "success");
1164 if (!error) {
1165 hpt_timing(atadev, devno, ATA_WDMA2);
1166 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1167 return;
1168 }
1169 }
1170 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1171 ATA_PIO0 + apiomode,
1172 ATA_C_F_SETXFER, ATA_WAIT_READY);
1173 if (bootverbose)
1174 ata_prtdev(atadev, "%s setting PIO%d on HighPoint chip\n",
1175 (error) ? "failed" : "success",
1176 (apiomode >= 0) ? apiomode : 0);
1177 hpt_timing(atadev, devno, ATA_PIO0 + apiomode);
1178 atadev->mode = ATA_PIO0 + apiomode;
1179 return;
1180
1181 case 0x000116ca: /* Cenatek Rocket Drive controller */
1182 if (wdmamode >= 0 &&
1183 (ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
1184 (device ? ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER)))
1185 ata_dmacreate(atadev, apiomode, ATA_DMA);
1186 else
1187 atadev->mode = ATA_PIO;
1188 return;
1189
1190 default: /* unknown controller chip */
1191 /* better not try generic DMA on ATAPI devices it almost never works */
1192 if (ATAPI_DEVICE(atadev))
1193 break;
1194
1195 /* if controller says its setup for DMA take the easy way out */
1196 /* the downside is we dont know what DMA mode we are in */
1197 if ((udmamode >= 0 || wdmamode >= 2) &&
1198 (ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
1199 (device ? ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER))) {
1200 ata_dmacreate(atadev, apiomode, ATA_DMA);
1201 return;
1202 }
1203
1204 /* well, we have no support for this, but try anyways */
1205 if ((wdmamode >= 2 && apiomode >= 4) && atadev->channel->r_bmio) {
1206 error = ata_command(atadev, ATA_C_SETFEATURES, 0,
1207 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
1208 if (bootverbose)
1209 ata_prtdev(atadev, "%s setting WDMA2 on generic chip\n",
1210 (error) ? "failed" : "success");
1211 if (!error) {
1212 ata_dmacreate(atadev, apiomode, ATA_WDMA2);
1213 return;
1214 }
1215 }
1216 }
1217 error = ata_command(atadev, ATA_C_SETFEATURES, 0, ATA_PIO0 + apiomode,
1218 ATA_C_F_SETXFER, ATA_WAIT_READY);
1219 if (bootverbose)
1220 ata_prtdev(atadev, "%s setting PIO%d on generic chip\n",
1221 (error) ? "failed" : "success", apiomode < 0 ? 0 : apiomode);
1222 if (!error)
1223 atadev->mode = ATA_PIO0 + apiomode;
1224 else {
1225 if (bootverbose)
1226 ata_prtdev(atadev, "using PIO mode set by BIOS\n");
1227 atadev->mode = ATA_PIO;
1228 }
1229}
1230
1231struct ata_dmasetup_data_cb_args {
1232 struct ata_dmaentry *dmatab;
1233 int error;
1234};
1235
1236static void
1237ata_dmasetupd_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
1238{
1239 struct ata_dmasetup_data_cb_args *cba =
1240 (struct ata_dmasetup_data_cb_args *)xsc;
1241 bus_size_t cnt;
1242 u_int32_t lastcount;
1243 int i, j;
1244
1245 cba->error = error;
1246 if (error != 0)
1247 return;
1248 lastcount = j = 0;
1249 for (i = 0; i < nsegs; i++) {
1250 /*
1251 * A maximum segment size was specified for bus_dma_tag_create, but
1252 * some busdma code does not seem to honor this, so fix up if needed.
1253 */
1254 for (cnt = 0; cnt < segs[i].ds_len; cnt += MAXSEGSZ, j++) {
1255 cba->dmatab[j].base = htole32(segs[i].ds_addr + cnt);
1256 lastcount = ulmin(segs[i].ds_len - cnt, MAXSEGSZ) & 0xffff;
1257 cba->dmatab[j].count = htole32(lastcount);
1258 }
1259 }
1260 cba->dmatab[j - 1].count = htole32(lastcount | ATA_DMA_EOT);
1261}
1262
1263int
1264ata_dmasetup(struct ata_device *atadev, caddr_t data, int32_t count)
1265{
1266 struct ata_channel *ch = atadev->channel;
1267
1268 if (((uintptr_t)data & ch->alignment) || (count & ch->alignment)) {
1269 ata_prtdev(atadev, "non aligned DMA transfer attempted\n");
1270 return -1;
1271 }
1272
1273 if (!count) {
1274 ata_prtdev(atadev, "zero length DMA transfer attempted\n");
1275 return -1;
1276 }
1277 return 0;
1278}
1279
1280int
1281ata_dmastart(struct ata_device *atadev, caddr_t data, int32_t count, int dir)
1282{
1283 struct ata_channel *ch = atadev->channel;
1284 struct ata_dmastate *ds = &atadev->dmastate;
1285 struct ata_dmasetup_data_cb_args cba;
1286
1287 if (ds->flags & ATA_DS_ACTIVE)
1288 panic("ata_dmasetup: transfer active on this device!");
1289
1290 cba.dmatab = ds->dmatab;
1291 bus_dmamap_sync(ds->cdmatag, ds->cdmamap, BUS_DMASYNC_PREWRITE);
1292 if (bus_dmamap_load(ds->ddmatag, ds->ddmamap, data, count,
1293 ata_dmasetupd_cb, &cba, 0) || cba.error)
1294 return -1;
1295
1296 bus_dmamap_sync(ds->cdmatag, ds->cdmamap, BUS_DMASYNC_POSTWRITE);
1297 bus_dmamap_sync(ds->ddmatag, ds->ddmamap, dir ? BUS_DMASYNC_PREREAD :
1298 BUS_DMASYNC_PREWRITE);
1299
1300 ch->flags |= ATA_DMA_ACTIVE;
1301 ds->flags = ATA_DS_ACTIVE;
1302 if (dir)
1303 ds->flags |= ATA_DS_READ;
1304
1305 ATA_OUTL(ch->r_bmio, ATA_BMDTP_PORT, ds->mdmatab);
1306 ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT, dir ? ATA_BMCMD_WRITE_READ : 0);
1307 ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT,
1308 (ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) |
1309 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
1310 ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT,
1311 ATA_INB(ch->r_bmio, ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP);
1312 return 0;
1313}
1314
1315int
1316ata_dmadone(struct ata_device *atadev)
1317{
1318 struct ata_channel *ch;
1319 struct ata_dmastate *ds;
1320 int error;
1321
1322 ch = atadev->channel;
1323 ds = &atadev->dmastate;
1324 bus_dmamap_sync(ds->ddmatag, ds->ddmamap, (ds->flags & ATA_DS_READ) != 0 ?
1325 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1326 bus_dmamap_unload(ds->ddmatag, ds->ddmamap);
1327
1328 ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT,
1329 ATA_INB(ch->r_bmio, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
1330 error = ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT);
1331 ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT,
1332 error | ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
1333 ch->flags &= ~ATA_DMA_ACTIVE;
1334 ds->flags = 0;
1335 return (error & ATA_BMSTAT_MASK);
1336}
1337
1338int
1339ata_dmastatus(struct ata_channel *ch)
1340{
1341 return ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
1342}
1343
1344static void
1345cyrix_timing(struct ata_device *atadev, int devno, int mode)
1346{
1347 u_int32_t reg20 = 0x0000e132;
1348 u_int32_t reg24 = 0x00017771;
1349
1350 switch (mode) {
1351 case ATA_PIO0: reg20 = 0x0000e132; break;
1352 case ATA_PIO1: reg20 = 0x00018121; break;
1353 case ATA_PIO2: reg20 = 0x00024020; break;
1354 case ATA_PIO3: reg20 = 0x00032010; break;
1355 case ATA_PIO4: reg20 = 0x00040010; break;
1356 case ATA_WDMA2: reg24 = 0x00002020; break;
1357 case ATA_UDMA2: reg24 = 0x00911030; break;
1358 }
1359 ATA_OUTL(atadev->channel->r_bmio, (devno << 3) + 0x20, reg20);
1360 ATA_OUTL(atadev->channel->r_bmio, (devno << 3) + 0x24, reg24);
1361}
1362
1363static void
1364promise_timing(struct ata_device *atadev, int devno, int mode)
1365{
1366 u_int32_t timing = 0;
1367 /* XXX: Endianess */
1368 struct promise_timing {
1369 u_int8_t pa:4;
1370 u_int8_t prefetch:1;
1371 u_int8_t iordy:1;
1372 u_int8_t errdy:1;
1373 u_int8_t syncin:1;
1374 u_int8_t pb:5;
1375 u_int8_t mb:3;
1376 u_int8_t mc:4;
1377 u_int8_t dmaw:1;
1378 u_int8_t dmar:1;
1379 u_int8_t iordyp:1;
1380 u_int8_t dmarqp:1;
1381 u_int8_t reserved:8;
1382 } *t = (struct promise_timing*)&timing;
1383
1384 t->iordy = 1; t->iordyp = 1;
1385 if (mode >= ATA_DMA) {
1386 t->prefetch = 1; t->errdy = 1; t->syncin = 1;
1387 }
1388
1389 switch (atadev->channel->chiptype) {
1390 case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */
1391 switch (mode) {
1392 default:
1393 case ATA_PIO0: t->pa = 9; t->pb = 19; t->mb = 7; t->mc = 15; break;
1394 case ATA_PIO1: t->pa = 5; t->pb = 12; t->mb = 7; t->mc = 15; break;
1395 case ATA_PIO2: t->pa = 3; t->pb = 8; t->mb = 7; t->mc = 15; break;
1396 case ATA_PIO3: t->pa = 2; t->pb = 6; t->mb = 7; t->mc = 15; break;
1397 case ATA_PIO4: t->pa = 1; t->pb = 4; t->mb = 7; t->mc = 15; break;
1398 case ATA_WDMA2: t->pa = 3; t->pb = 7; t->mb = 3; t->mc = 3; break;
1399 case ATA_UDMA2: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
1400 }
1401 break;
1402
1403 case 0x0d38105a: /* Promise Fasttrak 66 */
1404 case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */
1405 case 0x0d30105a: /* Promise OEM ATA 100 */
1406 case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */
1407 switch (mode) {
1408 default:
1409 case ATA_PIO0: t->pa = 15; t->pb = 31; t->mb = 7; t->mc = 15; break;
1410 case ATA_PIO1: t->pa = 10; t->pb = 24; t->mb = 7; t->mc = 15; break;
1411 case ATA_PIO2: t->pa = 6; t->pb = 16; t->mb = 7; t->mc = 15; break;
1412 case ATA_PIO3: t->pa = 4; t->pb = 12; t->mb = 7; t->mc = 15; break;
1413 case ATA_PIO4: t->pa = 2; t->pb = 8; t->mb = 7; t->mc = 15; break;
1414 case ATA_WDMA2: t->pa = 6; t->pb = 14; t->mb = 6; t->mc = 6; break;
1415 case ATA_UDMA2: t->pa = 6; t->pb = 14; t->mb = 2; t->mc = 2; break;
1416 case ATA_UDMA4: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
1417 case ATA_UDMA5: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
1418 }
1419 break;
1420 }
1421 pci_write_config(device_get_parent(atadev->channel->dev),
1422 0x60 + (devno << 2), timing, 4);
1423}
1424
1425static void
1426hpt_timing(struct ata_device *atadev, int devno, int mode)
1427{
1428 device_t parent = device_get_parent(atadev->channel->dev);
1429 u_int32_t chiptype = atadev->channel->chiptype;
1430 int chiprev = pci_get_revid(parent);
1431 u_int32_t timing;
1432
1433 if (chiptype == 0x00081103 && chiprev >= 0x07) {
1434 switch (mode) { /* HPT374 */
1435 case ATA_PIO0: timing = 0x0ac1f48a; break;
1436 case ATA_PIO1: timing = 0x0ac1f465; break;
1437 case ATA_PIO2: timing = 0x0a81f454; break;
1438 case ATA_PIO3: timing = 0x0a81f443; break;
1439 case ATA_PIO4: timing = 0x0a81f442; break;
1440 case ATA_WDMA2: timing = 0x22808242; break;
1441 case ATA_UDMA2: timing = 0x120c8242; break;
1442 case ATA_UDMA4: timing = 0x12ac8242; break;
1443 case ATA_UDMA5: timing = 0x12848242; break;
1444 case ATA_UDMA6: timing = 0x12808242; break;
1445 default: timing = 0x0d029d5e;
1446 }
1447 }
1448 else if ((chiptype == 0x00041103 && chiprev >= 0x05) ||
1449 (chiptype == 0x00051103 && chiprev >= 0x01)) {
1450 switch (mode) { /* HPT372 */
1451 case ATA_PIO0: timing = 0x0d029d5e; break;
1452 case ATA_PIO1: timing = 0x0d029d26; break;
1453 case ATA_PIO2: timing = 0x0c829ca6; break;
1454 case ATA_PIO3: timing = 0x0c829c84; break;
1455 case ATA_PIO4: timing = 0x0c829c62; break;
1456 case ATA_WDMA2: timing = 0x2c829262; break;
1457 case ATA_UDMA2: timing = 0x1c91dc62; break;
1458 case ATA_UDMA4: timing = 0x1c8ddc62; break;
1459 case ATA_UDMA5: timing = 0x1c6ddc62; break;
1460 case ATA_UDMA6: timing = 0x1c81dc62; break;
1461 default: timing = 0x0d029d5e;
1462 }
1463 }
1464 else if (chiptype == 0x00041103 && chiprev >= 0x03) {
1465 switch (mode) { /* HPT370 */
1466 case ATA_PIO0: timing = 0x06914e57; break;
1467 case ATA_PIO1: timing = 0x06914e43; break;
1468 case ATA_PIO2: timing = 0x06514e33; break;
1469 case ATA_PIO3: timing = 0x06514e22; break;
1470 case ATA_PIO4: timing = 0x06514e21; break;
1471 case ATA_WDMA2: timing = 0x26514e21; break;
1472 case ATA_UDMA2: timing = 0x16494e31; break;
1473 case ATA_UDMA4: timing = 0x16454e31; break;
1474 case ATA_UDMA5: timing = 0x16454e31; break;
1475 default: timing = 0x06514e57;
1476 }
1477 pci_write_config(parent, 0x40 + (devno << 2) , timing, 4);
1478 }
1479 else { /* HPT36[68] */
1480 switch (pci_read_config(parent, 0x41 + (devno << 2), 1)) {
1481 case 0x85: /* 25Mhz */
1482 switch (mode) {
1483 case ATA_PIO0: timing = 0x40d08585; break;
1484 case ATA_PIO1: timing = 0x40d08572; break;
1485 case ATA_PIO2: timing = 0x40ca8542; break;
1486 case ATA_PIO3: timing = 0x40ca8532; break;
1487 case ATA_PIO4: timing = 0x40ca8521; break;
1488 case ATA_WDMA2: timing = 0x20ca8521; break;
1489 case ATA_UDMA2: timing = 0x10cf8521; break;
1490 case ATA_UDMA4: timing = 0x10c98521; break;
1491 default: timing = 0x01208585;
1492 }
1493 break;
1494 default:
1495 case 0xa7: /* 33MHz */
1496 switch (mode) {
1497 case ATA_PIO0: timing = 0x40d0a7aa; break;
1498 case ATA_PIO1: timing = 0x40d0a7a3; break;
1499 case ATA_PIO2: timing = 0x40d0a753; break;
1500 case ATA_PIO3: timing = 0x40c8a742; break;
1501 case ATA_PIO4: timing = 0x40c8a731; break;
1502 case ATA_WDMA2: timing = 0x20c8a731; break;
1503 case ATA_UDMA2: timing = 0x10caa731; break;
1504 case ATA_UDMA4: timing = 0x10c9a731; break;
1505 default: timing = 0x0120a7a7;
1506 }
1507 break;
1508 case 0xd9: /* 40Mhz */
1509 switch (mode) {
1510 case ATA_PIO0: timing = 0x4018d9d9; break;
1511 case ATA_PIO1: timing = 0x4010d9c7; break;
1512 case ATA_PIO2: timing = 0x4010d997; break;
1513 case ATA_PIO3: timing = 0x4010d974; break;
1514 case ATA_PIO4: timing = 0x4008d963; break;
1515 case ATA_WDMA2: timing = 0x2008d943; break;
1516 case ATA_UDMA2: timing = 0x100bd943; break;
1517 case ATA_UDMA4: timing = 0x100fd943; break;
1518 default: timing = 0x0120d9d9;
1519 }
1520 }
1521 }
1522 pci_write_config(parent, 0x40 + (devno << 2) , timing, 4);
1523}
1524
1525static int
1526hpt_cable80(struct ata_device *atadev)
1527{
1528 device_t parent = device_get_parent(atadev->channel->dev);
1529 u_int8_t reg, val, res;
1530
1531 if (atadev->channel->chiptype==0x00081103 && pci_get_function(parent)==1) {
1532 reg = atadev->channel->unit ? 0x57 : 0x53;
1533 val = pci_read_config(parent, reg, 1);
1534 pci_write_config(parent, reg, val | 0x80, 1);
1535 }
1536 else {
1537 reg = 0x5b;
1538 val = pci_read_config(parent, reg, 1);
1539 pci_write_config(parent, reg, val & 0xfe, 1);
1540 }
1541 res = pci_read_config(parent, 0x5a, 1) & (atadev->channel->unit ? 0x1:0x2);
1542 pci_write_config(parent, reg, val, 1);
1543 return !res;
1544}