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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

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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 52918 1999-11-06 16:50:21Z sos $
28 * $FreeBSD: head/sys/dev/ata/ata-dma.c 53029 1999-11-08 21:36:00Z 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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95
96 switch (type = pci_get_devid(scp->dev)) {
97
98 case 0x71118086: /* Intel PIIX4 */
99 if (udmamode >= 2) {
100 int32_t mask48, new48;
101
102 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
103 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
103 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
104 if (bootverbose)
105 printf("ata%d: %s: %s setting up UDMA2 mode on PIIX4 chip\n",
106 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
107 (error) ? "failed" : "success");
108 if (error)
109 break;
110 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
111 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));

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134 new44 &= ~0x000000f0;
135 new44 |= ((new40&0x30000000)>>22)|((new40&0x03000000)>>20);
136 }
137 new40 |= 0x40004000;
138 pci_write_config(scp->dev, 0x40, new40, 4);
139 pci_write_config(scp->dev, 0x44, new44, 4);
140 }
141 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
142 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
142 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
143 if (bootverbose)
144 printf("ata%d: %s: %s setting up WDMA2 mode on PIIX4 chip\n",
145 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
146 (error) ? "failed" : "success");
147 if (error)
148 break;
149 if (device == ATA_MASTER) {
150 mask40 = 0x0000330f;

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174 }
175 break;
176
177 case 0x12308086: /* Intel PIIX */
178 /* probably not worth the trouble */
179 break;
180
181 case 0x522910b9: /* AcerLabs Aladdin IV/V */
182 /* the Aladdin has to be setup specially for ATAPI devices */
183 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
184 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) {
185 int8_t word53 = pci_read_config(scp->dev, 0x53, 1);
186
187 /* set atapi fifo, this should always work */
188 pci_write_config(scp->dev, 0x53, (word53 & ~0x01) | 0x02, 1);
189
190 /* if both master & slave are atapi devices dont allow DMA */
191 if (scp->devices & ATA_ATAPI_MASTER &&
192 scp->devices & ATA_ATAPI_SLAVE) {
193 printf("ata%d: Aladdin: two atapi devices on this channel, "
194 "DMA disabled\n", scp->lun);
195 break;
196 }
197 /* if needed set atapi fifo & dma */
198 if ((udmamode >=2) || (wdmamode >= 2 && apiomode >= 4)) {
199 pci_write_config(scp->dev, 0x53, word53 | 0x03, 1);
200 scp->flags |= ATA_ATAPI_DMA_RO;
201 if (device == ATA_MASTER)
202 outb(scp->bmaddr + ATA_BMSTAT_PORT,
203 inb(scp->bmaddr + ATA_BMSTAT_PORT) |
204 ATA_BMSTAT_DMA_MASTER);
205 else
206 outb(scp->bmaddr + ATA_BMSTAT_PORT,
207 inb(scp->bmaddr + ATA_BMSTAT_PORT) |
208 ATA_BMSTAT_DMA_SLAVE);
209 }
182 /* the Aladdin doesn't support ATAPI DMA on both master & slave */
183 if (scp->devices & ATA_ATAPI_MASTER && scp->devices & ATA_ATAPI_SLAVE) {
184 printf("ata%d: Aladdin: two atapi devices on this channel, "
185 "DMA disabled\n", scp->lun);
186 break;
187 }
188 if (udmamode >=2) {
189 int32_t word54 = pci_read_config(scp->dev, 0x54, 4);
190
191 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
215 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
192 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
193 if (bootverbose)
194 printf("ata%d: %s: %s setting up UDMA2 mode on Aladdin chip\n",
195 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
196 (error) ? "failed" : "success");
197 if (error)
198 break;
199 word54 |= 0x5555;
200 word54 |= (0x0a << (16 + (scp->unit << 3) + (device << 2)));
201 pci_write_config(scp->dev, 0x54, word54, 4);
202 pci_write_config(scp->dev, 0x53,
203 pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
204 scp->flags |= ATA_ATAPI_DMA_RO;
205 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
206 return 0;
207
208 }
209 else if (wdmamode >= 2 && apiomode >= 4) {
210 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
231 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
211 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
212 if (bootverbose)
213 printf("ata%d: %s: %s setting up WDMA2 mode on Aladdin chip\n",
214 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
215 (error) ? "failed" : "success");
216 if (error)
217 break;
218 pci_write_config(scp->dev, 0x53,
219 pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
220 scp->flags |= ATA_ATAPI_DMA_RO;
221 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
222 return 0;
223 }
224 break;
225
226 case 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */
227 case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */
228 /* the Promise can only do DMA on ATA disks not on ATAPI devices */
229 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
230 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
231 break;
232
233 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
234 if (udmamode >=4 && type == 0x4d38105a &&
235 !(pci_read_config(scp->dev, 0x50, 2)&(scp->unit ? 1<<11 : 1<<10))) {
236 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
254 ATA_UDMA4, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
237 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
238 if (bootverbose)
239 printf("ata%d: %s: %s setting up UDMA4 mode on Promise chip\n",
240 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
241 (error) ? "failed" : "success");
242 if (error)
243 break;
244 outb(scp->bmaddr + 0x11, inl(scp->bmaddr + 0x11) | scp->unit ? 8:2);
245 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004127f3, 4);
246 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA4;
247 return 0;
248 }
249 if (udmamode >=2) {
250 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
268 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
251 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
252 if (bootverbose)
253 printf("ata%d: %s: %s setting up UDMA2 mode on Promise chip\n",
254 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
255 (error) ? "failed" : "success");
256 if (error)
257 break;
258 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004127f3, 4);
259 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
260 return 0;
261 }
262 else if (wdmamode >= 2 && apiomode >= 4) {
263 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
281 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
264 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
265 if (bootverbose)
266 printf("ata%d: %s: %s setting up WDMA2 mode on Promise chip\n",
267 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
268 (error) ? "failed" : "success");
269 if (error)
270 break;
271 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004367f3, 4);
272 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;

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284 /* punt on ATAPI devices for now */
285 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
286 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
287 break;
288
289 devno = (device == ATA_MASTER) ? 0 : 1;
290 if (udmamode >=4 && !(pci_read_config(scp->dev, 0x5a, 1) & 0x2)) {
291 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
309 ATA_UDMA4, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
292 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
293 if (bootverbose)
294 printf("ata%d: %s: %s setting up UDMA4 mode on HPT366 chip\n",
295 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
296 (error) ? "failed" : "success");
297 if (error)
298 break;
299 hpt366_timing(scp, device, ATA_MODE_UDMA4);
300 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA4;
301 return 0;
302 }
303 if (udmamode >=3 && !(pci_read_config(scp->dev, 0x5a, 1) & 0x2)) {
304 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
322 ATA_UDMA3, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
305 ATA_UDMA3, ATA_C_F_SETXFER, ATA_WAIT_READY);
306 if (bootverbose)
307 printf("ata%d: %s: %s setting up UDMA3 mode on HPT366 chip\n",
308 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
309 (error) ? "failed" : "success");
310 if (error)
311 break;
312 hpt366_timing(scp, device, ATA_MODE_UDMA3);
313 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA3;
314 return 0;
315 }
316 if (udmamode >=2) {
317 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
335 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
318 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
319 if (bootverbose)
320 printf("ata%d: %s: %s setting up UDMA2 mode on HPT366 chip\n",
321 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
322 (error) ? "failed" : "success");
323 if (error)
324 break;
325 hpt366_timing(scp, device, ATA_MODE_UDMA2);
326 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
327 return 0;
328 }
329 else if (wdmamode >= 2 && apiomode >= 4) {
330 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
348 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
331 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
332 if (bootverbose)
333 printf("ata%d: %s: %s setting up WDMA2 mode on HPT366 chip\n",
334 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
335 (error) ? "failed" : "success");
336 if (error)
337 break;
338 hpt366_timing(scp, device, ATA_MODE_WDMA2);
339 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;

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354 break;
355
356 /* well, we have no support for this, but try anyways */
357 if (((wdmamode >= 2 && apiomode >= 4) || udmamode >= 2) &&
358 (inb(scp->bmaddr + ATA_BMSTAT_PORT) &
359 ((device == ATA_MASTER) ?
360 ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER))) {
361 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
379 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_WAIT_READY);
362 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
363 if (bootverbose)
364 printf("ata%d: %s: %s setting up WDMA2 mode on generic chip\n",
365 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
366 (error) ? "failed" : "success");
367 if (error)
368 break;
369 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
370 return 0;

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