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ata-dma.c (54270) ata-dma.c (54544)
1/*-
2 * Copyright (c) 1998,1999 S�ren Schmidt
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

--- 11 unchanged lines hidden (view full) ---

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 *
1/*-
2 * Copyright (c) 1998,1999 S�ren Schmidt
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

--- 11 unchanged lines hidden (view full) ---

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 54270 1999-12-07 22:07:18Z sos $
28 * $FreeBSD: head/sys/dev/ata/ata-dma.c 54544 1999-12-13 10:19:39Z sos $
29 */
30
31#include "pci.h"
32#include "apm.h"
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/buf.h>
36#include <sys/malloc.h>

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175 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
176 return 0;
177 }
178 }
179 /* we could set PIO mode timings, but we assume the BIOS did that */
180 break;
181
182 case 0x12308086: /* Intel PIIX */
29 */
30
31#include "pci.h"
32#include "apm.h"
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/buf.h>
36#include <sys/malloc.h>

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175 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
176 return 0;
177 }
178 }
179 /* we could set PIO mode timings, but we assume the BIOS did that */
180 break;
181
182 case 0x12308086: /* Intel PIIX */
183 /* probably not worth the trouble */
183 if (wdmamode >= 2 && apiomode >= 4) {
184 int32_t word40;
185
186 word40 = pci_read_config(scp->dev, 0x40, 4);
187 word40 >>= scp->unit * 16;
188
189 /* Check for timing config usable for DMA on controller */
190 if (!((word40 & 0x3300) == 0x2300 &&
191 ((word40 >> (device == ATA_MASTER ? 0 : 4)) & 1) == 1))
192 break;
193
194 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
195 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
196 if (bootverbose)
197 printf("ata%d: %s: %s setting up WDMA2 mode on PIIX chip\n",
198 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
199 (error) ? "failed" : "success");
200 if (!error) {
201 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
202 return 0;
203 }
204 }
184 break;
185
186 case 0x522910b9: /* AcerLabs Aladdin IV/V */
187 /* the Aladdin doesn't support ATAPI DMA on both master & slave */
188 if (scp->devices & ATA_ATAPI_MASTER && scp->devices & ATA_ATAPI_SLAVE) {
189 printf("ata%d: Aladdin: two atapi devices on this channel, "
190 "DMA disabled\n", scp->lun);
191 break;

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292 if (!error) {
293 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
294 return 0;
295 }
296 }
297 /* we could set PIO mode timings, but we assume the BIOS did that */
298 break;
299
205 break;
206
207 case 0x522910b9: /* AcerLabs Aladdin IV/V */
208 /* the Aladdin doesn't support ATAPI DMA on both master & slave */
209 if (scp->devices & ATA_ATAPI_MASTER && scp->devices & ATA_ATAPI_SLAVE) {
210 printf("ata%d: Aladdin: two atapi devices on this channel, "
211 "DMA disabled\n", scp->lun);
212 break;

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313 if (!error) {
314 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
315 return 0;
316 }
317 }
318 /* we could set PIO mode timings, but we assume the BIOS did that */
319 break;
320
321 case 0x55131039: /* SiS 5591 */
322 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
323 if (udmamode >= 2) {
324 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
325 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
326 if (bootverbose)
327 printf("ata%d: %s: %s setting up UDMA2 mode on SiS chip\n",
328 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
329 (error) ? "failed" : "success");
330 if (!error) {
331 pci_write_config(scp->dev, 0x40 + (devno << 1), 0xa301, 2);
332 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
333 return 0;
334 }
335 }
336 if (wdmamode >=2 && apiomode >= 4) {
337 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
338 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
339 if (bootverbose)
340 printf("ata%d: %s: %s setting up WDMA2 mode on SiS chip\n",
341 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
342 (error) ? "failed" : "success");
343 if (!error) {
344 pci_write_config(scp->dev, 0x40 + (devno << 1), 0x0301, 2);
345 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
346 return 0;
347 }
348 }
349 /* we could set PIO mode timings, but we assume the BIOS did that */
350 break;
351
300 case 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */
301 case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */
302 /* the Promise can only do DMA on ATA disks not on ATAPI devices */
303 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
304 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
305 break;
306
307 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);

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422 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
423 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
424 break;
425
426 /* well, we have no support for this, but try anyways */
427 if (((wdmamode >= 2 && apiomode >= 4) || udmamode >= 2) &&
428 (inb(scp->bmaddr + ATA_BMSTAT_PORT) &
429 ((device == ATA_MASTER) ?
352 case 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */
353 case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */
354 /* the Promise can only do DMA on ATA disks not on ATAPI devices */
355 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
356 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
357 break;
358
359 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);

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474 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
475 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
476 break;
477
478 /* well, we have no support for this, but try anyways */
479 if (((wdmamode >= 2 && apiomode >= 4) || udmamode >= 2) &&
480 (inb(scp->bmaddr + ATA_BMSTAT_PORT) &
481 ((device == ATA_MASTER) ?
430 ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER))) {
482 ATA_BMSTAT_DMA_MASTER : ATA_BMSTAT_DMA_SLAVE))) {
431 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
432 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
433 if (bootverbose)
434 printf("ata%d: %s: %s setting up WDMA2 mode on generic chip\n",
435 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
436 (error) ? "failed" : "success");
437 if (!error) {
438 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;

--- 173 unchanged lines hidden --- 		483 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
484 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
485 if (bootverbose)
486 printf("ata%d: %s: %s setting up WDMA2 mode on generic chip\n",
487 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
488 (error) ? "failed" : "success");
489 if (!error) {
490 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;

--- 173 unchanged lines hidden ---