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 51548 1999-09-22 12:04:51Z sos $
29 */
30
31#include "pci.h"
32#include "apm.h"
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/buf.h>
--- 5 unchanged lines hidden (view full) ---
42#include <pci/pcivar.h>
43#include <pci/pcireg.h>
44#endif
45#if NAPM > 0
46#include <machine/apm_bios.h>
47#endif
48#include <dev/ata/ata-all.h>
49
50#ifdef __alpha__
51#undef vtophys
52#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
53#endif
54
55/* misc defines */
56#define MIN(a,b) ((a)>(b)?(b):(a))
57
58#if NPCI > 0
59
60int32_t
61ata_dmainit(struct ata_softc *scp, int32_t device,
62 int32_t apiomode, int32_t wdmamode, int32_t udmamode)
63{
64 int32_t type, devno, error;
65 void *dmatab;
66
67 if (!scp->bmaddr)
68 return -1;
69#ifdef ATA_DMADEBUG
70 printf("ata%d: dmainit: ioaddr=0x%x altioaddr=0x%x, bmaddr=0x%x\n",
71 scp->lun, scp->ioaddr, scp->altioaddr, scp->bmaddr);
72#endif
73
74 if (!(dmatab = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT)))
75 return -1;
76
77 if (((uintptr_t)dmatab >> PAGE_SHIFT) ^
78 (((uintptr_t)dmatab + PAGE_SIZE - 1) >> PAGE_SHIFT)) {
79 printf("ata_dmainit: dmatab crosses page boundary, no DMA\n");
80 free(dmatab, M_DEVBUF);
81 return -1;
--- 14 unchanged lines hidden (view full) ---
96 (error) ? "failed" : "success");
97 if (error)
98 break;
99 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
100 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
101 new48 = (1 << devno) + (2 << (16 + (devno << 2)));
102 pci_write_config(scp->dev, 0x48,
103 (pci_read_config(scp->dev, 0x48, 4) &
104 ~mask48) | new48, 4);
105 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA33;
106 return 0;
107 }
108 /* FALLTHROUGH */
109
110 case 0x70108086: /* Intel PIIX3 */
111 if (wdmamode >= 2 && apiomode >= 4) {
112 int32_t mask40, new40, mask44, new44;
113
--- 39 unchanged lines hidden (view full) ---
153 new44 <<= 4;
154 }
155 pci_write_config(scp->dev, 0x40,
156 (pci_read_config(scp->dev, 0x40, 4) & ~mask40) |
157 new40, 4);
158 pci_write_config(scp->dev, 0x44,
159 (pci_read_config(scp->dev, 0x44, 4) & ~mask44) |
160 new44, 4);
161 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
162 return 0;
163 }
164 break;
165
166 case 0x12308086: /* Intel PIIX */
167 /* probably not worth the trouble */
168 break;
169
170 case 0x4d33105a: /* Promise Ultra/33 / FastTrack controllers */
171 case 0x4d38105a: /* Promise Ultra/66 controllers */
172 /* the Promise can only do DMA on ATA disks not on ATAPI devices */
173 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
174 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
175 break;
176
177 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
178 if (udmamode >=4 && type == 0x4d38105a) {
179 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
180 ATA_UDMA4, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
181 if (bootverbose)
182 printf("ata%d: %s: %s setting up UDMA4 mode on Promise chip\n",
183 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
184 (error) ? "failed" : "success");
185 if (error)
186 break;
187 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004117f3, 4);
188 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA66;
189 return 0;
190 }
191
192 if (udmamode >=2) {
193 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
194 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
195 if (bootverbose)
196 printf("ata%d: %s: %s setting up UDMA2 mode on Promise chip\n",
197 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
198 (error) ? "failed" : "success");
199 if (error)
200 break;
201 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004127f3, 4);
202 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA33;
203 return 0;
204 }
205 else if (wdmamode >= 2 && apiomode >= 4) {
206 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
207 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
208 if (bootverbose)
209 printf("ata%d: %s: %s setting up WDMA2 mode on Promise chip\n",
210 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
211 (error) ? "failed" : "success");
212 if (error)
213 break;
214 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004367f3, 4);
215 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
216 return 0;
217 }
218 else {
219 if (bootverbose)
220 printf("ata%d: %s: setting PIO mode on Promise chip\n",
221 scp->lun, (device == ATA_MASTER) ? "master" : "slave");
222 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004fe924, 4);
223 }
224 break;
225
226 case 0x522910b9: /* AcerLabs Aladdin IV/V */
227 /* the Aladdin has to be setup specially for ATAPI devices */
228 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
229 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) {
230 int8_t word53 = pci_read_config(scp->dev, 0x53, 1);
231
232 /* if needed set atapi fifo & dma */
233 if ((udmamode >=2) || (wdmamode >= 2 && apiomode >= 4)) {
234 pci_write_config(scp->dev, 0x53, word53 | 0x03, 1);
235 scp->flags |= ATA_ATAPI_DMA_RO;
236 if (device == ATA_MASTER)
237 outb(scp->bmaddr + ATA_BMSTAT_PORT,
238 inb(scp->bmaddr + ATA_BMSTAT_PORT) |
239 ATA_BMSTAT_DMA_MASTER);
240 else
241 outb(scp->bmaddr + ATA_BMSTAT_PORT,
242 inb(scp->bmaddr + ATA_BMSTAT_PORT) |
243 ATA_BMSTAT_DMA_SLAVE);
244 }
245 else {
246 pci_write_config(scp->dev, 0x53, (word53 & ~0x01) | 0x02, 1);
247 }
248 }
249 if (udmamode >=2) {
250 int32_t word54 = pci_read_config(scp->dev, 0x54, 4);
251
252 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
253 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
254 if (bootverbose)
255 printf("ata%d: %s: %s setting up UDMA2 mode on Aladdin chip\n",
256 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
257 (error) ? "failed" : "success");
258 if (error)
259 break;
260 word54 |= 0x5555;
261 word54 |= (0x0a << (16 + (scp->unit << 3) + (device << 2)));
262 pci_write_config(scp->dev, 0x54, word54, 4);
263 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA33;
264 return 0;
265
266 }
267 else if (wdmamode >= 2 && apiomode >= 4) {
268 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
269 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
270 if (bootverbose)
271 printf("ata%d: %s: %s setting up WDMA2 mode on Aladdin chip\n",
272 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
273 (error) ? "failed" : "success");
274 if (error)
275 break;
276 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
277 return 0;
278 }
279 break;
280
281 default: /* unknown controller chip */
282 /* better not try generic DMA on ATAPI devices it almost never works */
283 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
284 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
285 break;
286
--- 5 unchanged lines hidden (view full) ---
292 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
293 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
294 if (bootverbose)
295 printf("ata%d: %s: %s setting up WDMA2 mode on generic chip\n",
296 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
297 (error) ? "failed" : "success");
298 if (error)
299 break;
300 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
301 return 0;
302 }
303 }
304 free(dmatab, M_DEVBUF);
305 return -1;
306}
307
308int32_t
--- 51 unchanged lines hidden (view full) ---
360#endif
361 outb(scp->bmaddr + ATA_BMCMD_PORT, flags ? ATA_BMCMD_WRITE_READ:0);
362 outb(scp->bmaddr + ATA_BMSTAT_PORT, (inb(scp->bmaddr + ATA_BMSTAT_PORT) |
363 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
364 return 0;
365}
366
367void
368ata_dmastart(struct ata_softc *scp, int32_t device)
369{
370#ifdef ATA_DMADEBUG
371 printf("ata%d: dmastart\n", scp->lun);
372#endif
373 outb(scp->bmaddr + ATA_BMCMD_PORT,
374 inb(scp->bmaddr + ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP);
375}
376
377int32_t
378ata_dmadone(struct ata_softc *scp, int32_t device)
379{
380#ifdef ATA_DMADEBUG
381 printf("ata%d: dmadone\n", scp->lun);
382#endif
383 outb(scp->bmaddr + ATA_BMCMD_PORT,
384 inb(scp->bmaddr + ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
385 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
386}
387
388int32_t
389ata_dmastatus(struct ata_softc *scp, int32_t device)
390{
391#ifdef ATA_DMADEBUG
392 printf("ata%d: dmastatus\n", scp->lun);
393#endif
394 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
395}
396
397#else /* NPCI > 0 */
398
399int32_t
400ata_dmainit(struct ata_softc *scp, int32_t device,
401 int32_t piomode, int32_t wdmamode, int32_t udmamode)
402{
403 return -1;
404}
405
406int32_t
407ata_dmasetup(struct ata_softc *scp, int32_t device,
408 int8_t *data, int32_t count, int32_t flags)
409{
410 return -1;
411}
412
413void
414ata_dmastart(struct ata_softc *scp, int32_t device)
415{
416}
417
418int32_t
419ata_dmadone(struct ata_softc *scp, int32_t device)
420{
421 return -1;
422}
423
424int32_t
425ata_dmastatus(struct ata_softc *scp, int32_t device)
426{
427 return -1;
428}
429
430#endif /* NPCI > 0 */
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 51548 1999-09-22 12:04:51Z sos $
29 */
30
31#include "pci.h"
32#include "apm.h"
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/buf.h>
--- 5 unchanged lines hidden (view full) ---
42#include <pci/pcivar.h>
43#include <pci/pcireg.h>
44#endif
45#if NAPM > 0
46#include <machine/apm_bios.h>
47#endif
48#include <dev/ata/ata-all.h>
49
50#ifdef __alpha__
51#undef vtophys
52#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
53#endif
54
55/* misc defines */
56#define MIN(a,b) ((a)>(b)?(b):(a))
57
58#if NPCI > 0
59
60int32_t
61ata_dmainit(struct ata_softc *scp, int32_t device,
62 int32_t apiomode, int32_t wdmamode, int32_t udmamode)
63{
64 int32_t type, devno, error;
65 void *dmatab;
66
67 if (!scp->bmaddr)
68 return -1;
69#ifdef ATA_DMADEBUG
70 printf("ata%d: dmainit: ioaddr=0x%x altioaddr=0x%x, bmaddr=0x%x\n",
71 scp->lun, scp->ioaddr, scp->altioaddr, scp->bmaddr);
72#endif
73
74 if (!(dmatab = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT)))
75 return -1;
76
77 if (((uintptr_t)dmatab >> PAGE_SHIFT) ^
78 (((uintptr_t)dmatab + PAGE_SIZE - 1) >> PAGE_SHIFT)) {
79 printf("ata_dmainit: dmatab crosses page boundary, no DMA\n");
80 free(dmatab, M_DEVBUF);
81 return -1;
--- 14 unchanged lines hidden (view full) ---
96 (error) ? "failed" : "success");
97 if (error)
98 break;
99 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
100 mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
101 new48 = (1 << devno) + (2 << (16 + (devno << 2)));
102 pci_write_config(scp->dev, 0x48,
103 (pci_read_config(scp->dev, 0x48, 4) &
104 ~mask48) | new48, 4);
105 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA33;
106 return 0;
107 }
108 /* FALLTHROUGH */
109
110 case 0x70108086: /* Intel PIIX3 */
111 if (wdmamode >= 2 && apiomode >= 4) {
112 int32_t mask40, new40, mask44, new44;
113
--- 39 unchanged lines hidden (view full) ---
153 new44 <<= 4;
154 }
155 pci_write_config(scp->dev, 0x40,
156 (pci_read_config(scp->dev, 0x40, 4) & ~mask40) |
157 new40, 4);
158 pci_write_config(scp->dev, 0x44,
159 (pci_read_config(scp->dev, 0x44, 4) & ~mask44) |
160 new44, 4);
161 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
162 return 0;
163 }
164 break;
165
166 case 0x12308086: /* Intel PIIX */
167 /* probably not worth the trouble */
168 break;
169
170 case 0x4d33105a: /* Promise Ultra/33 / FastTrack controllers */
171 case 0x4d38105a: /* Promise Ultra/66 controllers */
172 /* the Promise can only do DMA on ATA disks not on ATAPI devices */
173 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
174 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
175 break;
176
177 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
178 if (udmamode >=4 && type == 0x4d38105a) {
179 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
180 ATA_UDMA4, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
181 if (bootverbose)
182 printf("ata%d: %s: %s setting up UDMA4 mode on Promise chip\n",
183 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
184 (error) ? "failed" : "success");
185 if (error)
186 break;
187 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004117f3, 4);
188 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA66;
189 return 0;
190 }
191
192 if (udmamode >=2) {
193 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
194 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
195 if (bootverbose)
196 printf("ata%d: %s: %s setting up UDMA2 mode on Promise chip\n",
197 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
198 (error) ? "failed" : "success");
199 if (error)
200 break;
201 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004127f3, 4);
202 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA33;
203 return 0;
204 }
205 else if (wdmamode >= 2 && apiomode >= 4) {
206 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
207 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
208 if (bootverbose)
209 printf("ata%d: %s: %s setting up WDMA2 mode on Promise chip\n",
210 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
211 (error) ? "failed" : "success");
212 if (error)
213 break;
214 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004367f3, 4);
215 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
216 return 0;
217 }
218 else {
219 if (bootverbose)
220 printf("ata%d: %s: setting PIO mode on Promise chip\n",
221 scp->lun, (device == ATA_MASTER) ? "master" : "slave");
222 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004fe924, 4);
223 }
224 break;
225
226 case 0x522910b9: /* AcerLabs Aladdin IV/V */
227 /* the Aladdin has to be setup specially for ATAPI devices */
228 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
229 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) {
230 int8_t word53 = pci_read_config(scp->dev, 0x53, 1);
231
232 /* if needed set atapi fifo & dma */
233 if ((udmamode >=2) || (wdmamode >= 2 && apiomode >= 4)) {
234 pci_write_config(scp->dev, 0x53, word53 | 0x03, 1);
235 scp->flags |= ATA_ATAPI_DMA_RO;
236 if (device == ATA_MASTER)
237 outb(scp->bmaddr + ATA_BMSTAT_PORT,
238 inb(scp->bmaddr + ATA_BMSTAT_PORT) |
239 ATA_BMSTAT_DMA_MASTER);
240 else
241 outb(scp->bmaddr + ATA_BMSTAT_PORT,
242 inb(scp->bmaddr + ATA_BMSTAT_PORT) |
243 ATA_BMSTAT_DMA_SLAVE);
244 }
245 else {
246 pci_write_config(scp->dev, 0x53, (word53 & ~0x01) | 0x02, 1);
247 }
248 }
249 if (udmamode >=2) {
250 int32_t word54 = pci_read_config(scp->dev, 0x54, 4);
251
252 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
253 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
254 if (bootverbose)
255 printf("ata%d: %s: %s setting up UDMA2 mode on Aladdin chip\n",
256 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
257 (error) ? "failed" : "success");
258 if (error)
259 break;
260 word54 |= 0x5555;
261 word54 |= (0x0a << (16 + (scp->unit << 3) + (device << 2)));
262 pci_write_config(scp->dev, 0x54, word54, 4);
263 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA33;
264 return 0;
265
266 }
267 else if (wdmamode >= 2 && apiomode >= 4) {
268 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
269 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
270 if (bootverbose)
271 printf("ata%d: %s: %s setting up WDMA2 mode on Aladdin chip\n",
272 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
273 (error) ? "failed" : "success");
274 if (error)
275 break;
276 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
277 return 0;
278 }
279 break;
280
281 default: /* unknown controller chip */
282 /* better not try generic DMA on ATAPI devices it almost never works */
283 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
284 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
285 break;
286
--- 5 unchanged lines hidden (view full) ---
292 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
293 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR);
294 if (bootverbose)
295 printf("ata%d: %s: %s setting up WDMA2 mode on generic chip\n",
296 scp->lun, (device == ATA_MASTER) ? "master" : "slave",
297 (error) ? "failed" : "success");
298 if (error)
299 break;
300 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_DMA;
301 return 0;
302 }
303 }
304 free(dmatab, M_DEVBUF);
305 return -1;
306}
307
308int32_t
--- 51 unchanged lines hidden (view full) ---
360#endif
361 outb(scp->bmaddr + ATA_BMCMD_PORT, flags ? ATA_BMCMD_WRITE_READ:0);
362 outb(scp->bmaddr + ATA_BMSTAT_PORT, (inb(scp->bmaddr + ATA_BMSTAT_PORT) |
363 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
364 return 0;
365}
366
367void
368ata_dmastart(struct ata_softc *scp, int32_t device)
369{
370#ifdef ATA_DMADEBUG
371 printf("ata%d: dmastart\n", scp->lun);
372#endif
373 outb(scp->bmaddr + ATA_BMCMD_PORT,
374 inb(scp->bmaddr + ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP);
375}
376
377int32_t
378ata_dmadone(struct ata_softc *scp, int32_t device)
379{
380#ifdef ATA_DMADEBUG
381 printf("ata%d: dmadone\n", scp->lun);
382#endif
383 outb(scp->bmaddr + ATA_BMCMD_PORT,
384 inb(scp->bmaddr + ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
385 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
386}
387
388int32_t
389ata_dmastatus(struct ata_softc *scp, int32_t device)
390{
391#ifdef ATA_DMADEBUG
392 printf("ata%d: dmastatus\n", scp->lun);
393#endif
394 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
395}
396
397#else /* NPCI > 0 */
398
399int32_t
400ata_dmainit(struct ata_softc *scp, int32_t device,
401 int32_t piomode, int32_t wdmamode, int32_t udmamode)
402{
403 return -1;
404}
405
406int32_t
407ata_dmasetup(struct ata_softc *scp, int32_t device,
408 int8_t *data, int32_t count, int32_t flags)
409{
410 return -1;
411}
412
413void
414ata_dmastart(struct ata_softc *scp, int32_t device)
415{
416}
417
418int32_t
419ata_dmadone(struct ata_softc *scp, int32_t device)
420{
421 return -1;
422}
423
424int32_t
425ata_dmastatus(struct ata_softc *scp, int32_t device)
426{
427 return -1;
428}
429
430#endif /* NPCI > 0 */