yds.c revision 1.10 1 /* $NetBSD: yds.c,v 1.10 2001/12/30 19:33:15 someya Exp $ */
2
3 /*
4 * Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /*
29 * Yamaha YMF724[B-F]/740[B-C]/744/754
30 *
31 * Documentation links:
32 * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/
33 * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/pci/
34 *
35 * TODO:
36 * - FM synth volume (difficult: mixed before ac97)
37 * - Digital in/out (SPDIF) support
38 * - Effect??
39 */
40
41 #include <sys/cdefs.h>
42 __KERNEL_RCSID(0, "$NetBSD: yds.c,v 1.10 2001/12/30 19:33:15 someya Exp $");
43
44 #include "mpu.h"
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/fcntl.h>
50 #include <sys/malloc.h>
51 #include <sys/device.h>
52 #include <sys/proc.h>
53
54 #include <dev/pci/pcidevs.h>
55 #include <dev/pci/pcireg.h>
56 #include <dev/pci/pcivar.h>
57
58 #include <sys/audioio.h>
59 #include <dev/audio_if.h>
60 #include <dev/mulaw.h>
61 #include <dev/auconv.h>
62 #include <dev/ic/ac97reg.h>
63 #include <dev/ic/ac97var.h>
64 #include <dev/ic/mpuvar.h>
65
66 #include <machine/bus.h>
67 #include <machine/intr.h>
68
69 #include <dev/microcode/yds/yds_hwmcode.h>
70 #include <dev/pci/ydsreg.h>
71 #include <dev/pci/ydsvar.h>
72
73 /* Debug */
74 #undef YDS_USE_REC_SLOT
75 #define YDS_USE_P44
76
77 #ifdef AUDIO_DEBUG
78 # define DPRINTF(x) if (ydsdebug) printf x
79 # define DPRINTFN(n,x) if (ydsdebug>(n)) printf x
80 int ydsdebug = 0;
81 #else
82 # define DPRINTF(x)
83 # define DPRINTFN(n,x)
84 #endif
85 #ifdef YDS_USE_REC_SLOT
86 # define YDS_INPUT_SLOT 0 /* REC slot = ADC + loopbacks */
87 #else
88 # define YDS_INPUT_SLOT 1 /* ADC slot */
89 #endif
90
91 int yds_match __P((struct device *, struct cfdata *, void *));
92 void yds_attach __P((struct device *, struct device *, void *));
93 int yds_intr __P((void *));
94
95 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
96 #define KERNADDR(p) ((void *)((p)->addr))
97
98 int yds_allocmem __P((struct yds_softc *, size_t, size_t,
99 struct yds_dma *));
100 int yds_freemem __P((struct yds_softc *, struct yds_dma *));
101
102 #ifndef AUDIO_DEBUG
103 #define YWRITE1(sc, r, x) bus_space_write_1((sc)->memt, (sc)->memh, (r), (x))
104 #define YWRITE2(sc, r, x) bus_space_write_2((sc)->memt, (sc)->memh, (r), (x))
105 #define YWRITE4(sc, r, x) bus_space_write_4((sc)->memt, (sc)->memh, (r), (x))
106 #define YREAD1(sc, r) bus_space_read_1((sc)->memt, (sc)->memh, (r))
107 #define YREAD2(sc, r) bus_space_read_2((sc)->memt, (sc)->memh, (r))
108 #define YREAD4(sc, r) bus_space_read_4((sc)->memt, (sc)->memh, (r))
109 #else
110
111 u_int16_t YREAD2(struct yds_softc *sc,bus_size_t r);
112 u_int32_t YREAD4(struct yds_softc *sc,bus_size_t r);
113 void YWRITE1(struct yds_softc *sc,bus_size_t r,u_int8_t x);
114 void YWRITE2(struct yds_softc *sc,bus_size_t r,u_int16_t x);
115 void YWRITE4(struct yds_softc *sc,bus_size_t r,u_int32_t x);
116
117 u_int16_t YREAD2(struct yds_softc *sc,bus_size_t r)
118 {
119 DPRINTFN(5, (" YREAD2(0x%lX)\n",(unsigned long)r));
120 return bus_space_read_2(sc->memt,sc->memh,r);
121 }
122 u_int32_t YREAD4(struct yds_softc *sc,bus_size_t r)
123 {
124 DPRINTFN(5, (" YREAD4(0x%lX)\n",(unsigned long)r));
125 return bus_space_read_4(sc->memt,sc->memh,r);
126 }
127 void YWRITE1(struct yds_softc *sc,bus_size_t r,u_int8_t x)
128 {
129 DPRINTFN(5, (" YWRITE1(0x%lX,0x%lX)\n",(unsigned long)r,(unsigned long)x));
130 bus_space_write_1(sc->memt,sc->memh,r,x);
131 }
132 void YWRITE2(struct yds_softc *sc,bus_size_t r,u_int16_t x)
133 {
134 DPRINTFN(5, (" YWRITE2(0x%lX,0x%lX)\n",(unsigned long)r,(unsigned long)x));
135 bus_space_write_2(sc->memt,sc->memh,r,x);
136 }
137 void YWRITE4(struct yds_softc *sc,bus_size_t r,u_int32_t x)
138 {
139 DPRINTFN(5, (" YWRITE4(0x%lX,0x%lX)\n",(unsigned long)r,(unsigned long)x));
140 bus_space_write_4(sc->memt,sc->memh,r,x);
141 }
142 #endif
143
144 #define YWRITEREGION4(sc, r, x, c) \
145 bus_space_write_region_4((sc)->memt, (sc)->memh, (r), (x), (c) / 4)
146
147 struct cfattach yds_ca = {
148 sizeof(struct yds_softc), yds_match, yds_attach
149 };
150
151 int yds_open __P((void *, int));
152 void yds_close __P((void *));
153 int yds_query_encoding __P((void *, struct audio_encoding *));
154 int yds_set_params __P((void *, int, int,
155 struct audio_params *, struct audio_params *));
156 int yds_round_blocksize __P((void *, int));
157 int yds_trigger_output __P((void *, void *, void *, int, void (*)(void *),
158 void *, struct audio_params *));
159 int yds_trigger_input __P((void *, void *, void *, int, void (*)(void *),
160 void *, struct audio_params *));
161 int yds_halt_output __P((void *));
162 int yds_halt_input __P((void *));
163 int yds_getdev __P((void *, struct audio_device *));
164 int yds_mixer_set_port __P((void *, mixer_ctrl_t *));
165 int yds_mixer_get_port __P((void *, mixer_ctrl_t *));
166 void *yds_malloc __P((void *, int, size_t, int, int));
167 void yds_free __P((void *, void *, int));
168 size_t yds_round_buffersize __P((void *, int, size_t));
169 paddr_t yds_mappage __P((void *, void *, off_t, int));
170 int yds_get_props __P((void *));
171 int yds_query_devinfo __P((void *addr, mixer_devinfo_t *dip));
172
173 int yds_attach_codec __P((void *sc, struct ac97_codec_if *));
174 int yds_read_codec __P((void *sc, u_int8_t a, u_int16_t *d));
175 int yds_write_codec __P((void *sc, u_int8_t a, u_int16_t d));
176 void yds_reset_codec __P((void *sc));
177 int yds_get_portnum_by_name __P((struct yds_softc *, char *, char *,
178 char *));
179
180 static u_int yds_get_dstype __P((int));
181 static int yds_download_mcode __P((struct yds_softc *));
182 static int yds_allocate_slots __P((struct yds_softc *));
183 static void yds_configure_legacy __P((struct device *arg));
184 static void yds_enable_dsp __P((struct yds_softc *));
185 static int yds_disable_dsp __P((struct yds_softc *));
186 static int yds_ready_codec __P((struct yds_codec_softc *));
187 static int yds_halt __P((struct yds_softc *));
188 static u_int32_t yds_get_lpfq __P((u_int));
189 static u_int32_t yds_get_lpfk __P((u_int));
190 static struct yds_dma *yds_find_dma __P((struct yds_softc *, void *));
191
192 static int yds_init __P((struct yds_softc *));
193 static void yds_powerhook __P((int, void *));
194
195 #ifdef AUDIO_DEBUG
196 static void yds_dump_play_slot __P((struct yds_softc *, int));
197 #define YDS_DUMP_PLAY_SLOT(n,sc,bank) \
198 if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
199 #else
200 #define YDS_DUMP_PLAY_SLOT(n,sc,bank)
201 #endif /* AUDIO_DEBUG */
202
203 static struct audio_hw_if yds_hw_if = {
204 yds_open,
205 yds_close,
206 NULL,
207 yds_query_encoding,
208 yds_set_params,
209 yds_round_blocksize,
210 NULL,
211 NULL,
212 NULL,
213 NULL,
214 NULL,
215 yds_halt_output,
216 yds_halt_input,
217 NULL,
218 yds_getdev,
219 NULL,
220 yds_mixer_set_port,
221 yds_mixer_get_port,
222 yds_query_devinfo,
223 yds_malloc,
224 yds_free,
225 yds_round_buffersize,
226 yds_mappage,
227 yds_get_props,
228 yds_trigger_output,
229 yds_trigger_input,
230 NULL,
231 };
232
233 struct audio_device yds_device = {
234 "Yamaha DS-1",
235 "",
236 "yds"
237 };
238
239 const static struct {
240 u_int id;
241 u_int flags;
242 #define YDS_CAP_MCODE_1 0x0001
243 #define YDS_CAP_MCODE_1E 0x0002
244 #define YDS_CAP_LEGACY_SELECTABLE 0x0004
245 #define YDS_CAP_LEGACY_FLEXIBLE 0x0008
246 #define YDS_CAP_HAS_P44 0x0010
247 } yds_chip_capabliity_list[] = {
248 { PCI_PRODUCT_YAMAHA_YMF724,
249 YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
250 /* 740[C] has only 32 slots. But anyway we use only 2 */
251 { PCI_PRODUCT_YAMAHA_YMF740,
252 YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE }, /* XXX NOT TESTED */
253 { PCI_PRODUCT_YAMAHA_YMF740C,
254 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
255 { PCI_PRODUCT_YAMAHA_YMF724F,
256 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
257 { PCI_PRODUCT_YAMAHA_YMF744B,
258 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
259 { PCI_PRODUCT_YAMAHA_YMF754,
260 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
261 { 0, 0 }
262 };
263 #ifdef AUDIO_DEBUG
264 #define YDS_CAP_BITS "\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
265 #endif
266
267 #ifdef AUDIO_DEBUG
268 static void
269 yds_dump_play_slot(sc, bank)
270 struct yds_softc *sc;
271 int bank;
272 {
273 int i, j;
274 u_int32_t *p;
275 u_int32_t num;
276 char *pa;
277
278 for (i = 0; i < N_PLAY_SLOTS; i++) {
279 printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
280 printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
281 }
282
283 pa = (char *)DMAADDR(&sc->sc_ctrldata) + sc->pbankoff;
284 p = (u_int32_t *)sc->ptbl;
285 printf("ptbl + 0: %d\n", *p++);
286 for (i = 0; i < N_PLAY_SLOTS; i++) {
287 printf("ptbl + %d: 0x%x, should be %p\n",
288 i+1, *p,
289 pa + i * sizeof(struct play_slot_ctrl_bank) *
290 N_PLAY_SLOT_CTRL_BANK);
291 p++;
292 }
293
294 num = *(u_int32_t*)sc->ptbl;
295 printf("numofplay = %d\n", num);
296
297 for (i = 0; i < num; i++) {
298 p = (u_int32_t *)sc->pbankp[i*2];
299
300 printf(" pbankp[%d], bank 0 : %p\n", i*2, p);
301 for (j = 0;
302 j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
303 j++) {
304 printf(" 0x%02x: 0x%08x\n",
305 (unsigned)(j * sizeof(u_int32_t)),
306 (unsigned)*p++);
307 }
308
309 p = (u_int32_t *)sc->pbankp[i*2 + 1];
310 printf(" pbankp[%d], bank 1 : %p\n", i*2 + 1, p);
311 for (j = 0;
312 j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
313 j++) {
314 printf(" 0x%02x: 0x%08x\n",
315 (unsigned)(j * sizeof(u_int32_t)),
316 (unsigned)*p++);
317 }
318 }
319 }
320 #endif /* AUDIO_DEBUG */
321
322 static u_int
323 yds_get_dstype(id)
324 int id;
325 {
326 int i;
327
328 for (i = 0; yds_chip_capabliity_list[i].id; i++) {
329 if (PCI_PRODUCT(id) == yds_chip_capabliity_list[i].id)
330 return yds_chip_capabliity_list[i].flags;
331 }
332
333 return -1;
334 }
335
336 static int
337 yds_download_mcode(sc)
338 struct yds_softc *sc;
339 {
340 u_int ctrl;
341 const u_int32_t *p;
342 size_t size;
343 int dstype;
344
345 static struct {
346 const u_int32_t *mcode;
347 size_t size;
348 } ctrls[] = {
349 {yds_ds1_ctrl_mcode, sizeof(yds_ds1_ctrl_mcode)},
350 {yds_ds1e_ctrl_mcode, sizeof(yds_ds1e_ctrl_mcode)},
351 };
352
353 if (sc->sc_flags & YDS_CAP_MCODE_1)
354 dstype = YDS_DS_1;
355 else if (sc->sc_flags & YDS_CAP_MCODE_1E)
356 dstype = YDS_DS_1E;
357 else
358 return 1; /* unknown */
359
360 if (yds_disable_dsp(sc))
361 return 1;
362
363 /* Software reset */
364 YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
365 YWRITE4(sc, YDS_MODE, 0);
366
367 YWRITE4(sc, YDS_MAPOF_REC, 0);
368 YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
369 YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
370 YWRITE4(sc, YDS_REC_CTRLBASE, 0);
371 YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
372 YWRITE4(sc, YDS_WORK_BASE, 0);
373
374 ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
375 YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
376
377 /* Download DSP microcode. */
378 p = yds_dsp_mcode;
379 size = sizeof(yds_dsp_mcode);
380 YWRITEREGION4(sc, YDS_DSP_INSTRAM, p, size);
381
382 /* Download CONTROL microcode. */
383 p = ctrls[dstype].mcode;
384 size = ctrls[dstype].size;
385 YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
386
387 yds_enable_dsp(sc);
388 delay(10 * 1000); /* nessesary on my 724F (??) */
389
390 return 0;
391 }
392
393 static int
394 yds_allocate_slots(sc)
395 struct yds_softc *sc;
396 {
397 size_t pcs, rcs, ecs, ws, memsize;
398 void *mp;
399 u_int32_t da; /* DMA address */
400 char *va; /* KVA */
401 off_t cb;
402 int i;
403 struct yds_dma *p;
404
405 /* Alloc DSP Control Data */
406 pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(u_int32_t);
407 rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(u_int32_t);
408 ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(u_int32_t);
409 ws = WORK_SIZE;
410 YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(u_int32_t));
411
412 DPRINTF(("play control size : %d\n", (unsigned int)pcs));
413 DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
414 DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
415 DPRINTF(("work size : %d\n", (unsigned int)ws));
416 #ifdef DIAGNOSTIC
417 if (pcs != sizeof(struct play_slot_ctrl_bank)) {
418 printf("%s: invalid play slot ctrldata %d != %d\n",
419 sc->sc_dev.dv_xname, (unsigned int)pcs,
420 (unsigned int)sizeof(struct play_slot_ctrl_bank));
421 if (rcs != sizeof(struct rec_slot_ctrl_bank))
422 printf("%s: invalid rec slot ctrldata %d != %d\n",
423 sc->sc_dev.dv_xname, (unsigned int)rcs,
424 (unsigned int)sizeof(struct rec_slot_ctrl_bank));
425 }
426 #endif
427
428 memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
429 N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
430 memsize += (N_PLAY_SLOTS+1)*sizeof(u_int32_t);
431
432 p = &sc->sc_ctrldata;
433 printf("KERNADDR(p) : %p\n", KERNADDR(p));
434 if (KERNADDR(p) == NULL) {
435 i = yds_allocmem(sc, memsize, 16, p);
436 if (i) {
437 printf("%s: couldn't alloc/map DSP DMA buffer, reason %d\n",
438 sc->sc_dev.dv_xname, i);
439 free(p, M_DEVBUF);
440 return 1;
441 }
442 }
443 mp = KERNADDR(p);
444 da = DMAADDR(p);
445
446 DPRINTF(("mp:%p, DMA addr:%p\n",
447 mp, (void *)sc->sc_ctrldata.map->dm_segs[0].ds_addr));
448
449 memset(mp, 0, memsize);
450
451 /* Work space */
452 cb = 0;
453 va = (u_int8_t *)mp;
454 YWRITE4(sc, YDS_WORK_BASE, da + cb);
455 cb += ws;
456
457 /* Play control data table */
458 sc->ptbl = (u_int32_t *)(va + cb);
459 sc->ptbloff = cb;
460 YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
461 cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(u_int32_t);
462
463 /* Record slot control data */
464 sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
465 YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
466 sc->rbankoff = cb;
467 cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
468
469 #if 0
470 /* Effect slot control data -- unused */
471 YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
472 cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
473 #endif
474
475 /* Play slot control data */
476 sc->pbankoff = cb;
477 for (i=0; i < N_PLAY_SLOT_CTRL; i++) {
478 sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
479 *(sc->ptbl + i+1) = da + cb;
480 cb += pcs;
481
482 sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
483 cb += pcs;
484 }
485 /* Sync play control data table */
486 bus_dmamap_sync(sc->sc_dmatag, p->map,
487 sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(u_int32_t),
488 BUS_DMASYNC_PREWRITE);
489
490 return 0;
491 }
492
493 static void
494 yds_enable_dsp(sc)
495 struct yds_softc *sc;
496 {
497 YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
498 }
499
500 static int
501 yds_disable_dsp(sc)
502 struct yds_softc *sc;
503 {
504 int to;
505 u_int32_t data;
506
507 data = YREAD4(sc, YDS_CONFIG);
508 if (data)
509 YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
510
511 for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
512 if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
513 return 0;
514 delay(1);
515 }
516
517 return 1;
518 }
519
520 int
521 yds_match(parent, match, aux)
522 struct device *parent;
523 struct cfdata *match;
524 void *aux;
525 {
526 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
527
528 switch (PCI_VENDOR(pa->pa_id)) {
529 case PCI_VENDOR_YAMAHA:
530 switch (PCI_PRODUCT(pa->pa_id)) {
531 case PCI_PRODUCT_YAMAHA_YMF724:
532 case PCI_PRODUCT_YAMAHA_YMF740:
533 case PCI_PRODUCT_YAMAHA_YMF740C:
534 case PCI_PRODUCT_YAMAHA_YMF724F:
535 case PCI_PRODUCT_YAMAHA_YMF744B:
536 case PCI_PRODUCT_YAMAHA_YMF754:
537 return (1);
538 }
539 break;
540 }
541
542 return (0);
543 }
544
545 /*
546 * This routine is called after all the ISA devices are configured,
547 * to avoid conflict.
548 */
549 static void
550 yds_configure_legacy (arg)
551 struct device *arg;
552 #define FLEXIBLE (sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
553 #define SELECTABLE (sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
554 {
555 struct yds_softc *sc = (struct yds_softc*) arg;
556 pcireg_t reg;
557 struct device *dev;
558 int i;
559 bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
560 bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
561
562 if (!FLEXIBLE && !SELECTABLE)
563 return;
564
565 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
566 reg &= ~0x8133c03f; /* these bits are out of interest */
567 reg |= ((YDS_PCI_EX_LEGACY_IMOD) |
568 (YDS_PCI_LEGACY_FMEN |
569 YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/));
570 if (FLEXIBLE) {
571 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
572 delay(100*1000);
573 }
574
575 /* Look for OPL */
576 dev = 0;
577 for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
578 if (SELECTABLE) {
579 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
580 YDS_PCI_LEGACY, reg | (i << (0+16)));
581 delay(100*1000); /* wait 100ms */
582 } else
583 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
584 YDS_PCI_FM_BA, opl_addrs[i]);
585 if (bus_space_map(sc->sc_opl_iot,
586 opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
587 struct audio_attach_args aa;
588
589 aa.type = AUDIODEV_TYPE_OPL;
590 aa.hwif = aa.hdl = NULL;
591 dev = config_found(&sc->sc_dev, &aa, audioprint);
592 if (dev == 0)
593 bus_space_unmap(sc->sc_opl_iot,
594 sc->sc_opl_ioh, 4);
595 else {
596 if (SELECTABLE)
597 reg |= (i << (0+16));
598 break;
599 }
600 }
601 }
602 if (dev == 0) {
603 reg &= ~YDS_PCI_LEGACY_FMEN;
604 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
605 YDS_PCI_LEGACY, reg);
606 } else {
607 /* Max. volume */
608 YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
609 YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
610 }
611
612 /* Look for MPU */
613 dev = 0;
614 for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
615 if (SELECTABLE)
616 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
617 YDS_PCI_LEGACY, reg | (i << (4+16)));
618 else
619 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
620 YDS_PCI_MPU_BA, mpu_addrs[i]);
621 if (bus_space_map(sc->sc_mpu_iot,
622 mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
623 struct audio_attach_args aa;
624
625 aa.type = AUDIODEV_TYPE_MPU;
626 aa.hwif = aa.hdl = NULL;
627 dev = config_found(&sc->sc_dev, &aa, audioprint);
628 if (dev == 0)
629 bus_space_unmap(sc->sc_mpu_iot,
630 sc->sc_mpu_ioh, 2);
631 else {
632 if (SELECTABLE)
633 reg |= (i << (4+16));
634 break;
635 }
636 }
637 }
638 if (dev == 0) {
639 reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
640 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
641 }
642 sc->sc_mpu = dev;
643 }
644 #undef FLEXIBLE
645 #undef SELECTABLE
646
647 static int
648 yds_init(sc)
649 struct yds_softc *sc;
650 {
651 u_int32_t reg;
652
653 DPRINTF(("yds_init()\n"));
654
655 /* Download microcode */
656 if (yds_download_mcode(sc)) {
657 printf("%s: download microcode failed\n", sc->sc_dev.dv_xname);
658 return 1;
659 }
660
661 /* Allocate DMA buffers */
662 if (yds_allocate_slots(sc)) {
663 printf("%s: could not allocate slots\n", sc->sc_dev.dv_xname);
664 return 1;
665 }
666
667 /* Warm reset */
668 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
669 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
670 reg | YDS_DSCTRL_WRST);
671 delay(50000);
672
673 return 0;
674 }
675
676 static void
677 yds_powerhook(why, addr)
678 int why;
679 void *addr;
680 {
681 struct yds_softc *sc = addr;
682
683 if (why == PWR_RESUME) {
684 if (yds_init(sc)) {
685 printf("%s: reinitialize failed\n",
686 sc->sc_dev.dv_xname);
687 return;
688 }
689 sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
690 }
691 }
692
693 void
694 yds_attach(parent, self, aux)
695 struct device *parent;
696 struct device *self;
697 void *aux;
698 {
699 struct yds_softc *sc = (struct yds_softc *)self;
700 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
701 pci_chipset_tag_t pc = pa->pa_pc;
702 char const *intrstr;
703 pci_intr_handle_t ih;
704 pcireg_t reg;
705 struct yds_codec_softc *codec;
706 char devinfo[256];
707 mixer_ctrl_t ctl;
708 int i, r, to;
709 int revision;
710 int ac97_id2;
711
712 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
713 revision = PCI_REVISION(pa->pa_class);
714 printf(": %s (rev. 0x%02x)\n", devinfo, revision);
715
716 /* Map register to memory */
717 if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
718 &sc->memt, &sc->memh, NULL, NULL)) {
719 printf("%s: can't map memory space\n", sc->sc_dev.dv_xname);
720 return;
721 }
722
723 /* Map and establish the interrupt. */
724 if (pci_intr_map(pa, &ih)) {
725 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
726 return;
727 }
728 intrstr = pci_intr_string(pc, ih);
729 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
730 if (sc->sc_ih == NULL) {
731 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
732 if (intrstr != NULL)
733 printf(" at %s", intrstr);
734 printf("\n");
735 return;
736 }
737 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
738
739 sc->sc_dmatag = pa->pa_dmat;
740 sc->sc_pc = pc;
741 sc->sc_pcitag = pa->pa_tag;
742 sc->sc_id = pa->pa_id;
743 sc->sc_revision = revision;
744 sc->sc_flags = yds_get_dstype(sc->sc_id);
745 #ifdef AUDIO_DEBUG
746 if (ydsdebug) {
747 char bits[80];
748
749 printf("%s: chip has %s\n", sc->sc_dev.dv_xname,
750 bitmask_snprintf(sc->sc_flags, YDS_CAP_BITS, bits,
751 sizeof(bits)));
752 }
753 #endif
754
755 /* Disable legacy mode */
756 reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
757 pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
758 reg & YDS_PCI_LEGACY_LAD);
759
760 /* Enable the device. */
761 reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
762 reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
763 PCI_COMMAND_MASTER_ENABLE);
764 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
765 reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
766
767 /* Mute all volumes */
768 for (i = 0x80; i < 0xc0; i += 2)
769 YWRITE2(sc, i, 0);
770
771 /* Initialize the device */
772 if (yds_init(sc)) {
773 printf("%s: initialize failed\n", sc->sc_dev.dv_xname);
774 return;
775 }
776
777 /*
778 * Detect primary/secondary AC97
779 * YMF754 Hardware Specification Rev 1.01 page 24
780 */
781 reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
782 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
783 delay(400000); /* Needed for 740C. */
784
785 /* Primary */
786 for (to = 0; to < AC97_TIMEOUT; to++) {
787 if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
788 break;
789 delay(1);
790 }
791 if (to == AC97_TIMEOUT) {
792 printf("%s: no AC97 avaliable\n", sc->sc_dev.dv_xname);
793 return;
794 }
795
796 /* Secondary */
797 /* Secondary AC97 is used for 4ch audio. Currently unused. */
798 ac97_id2 = -1;
799 if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
800 goto detected;
801 #if 0 /* reset secondary... */
802 YWRITE2(sc, YDS_GPIO_OCTRL,
803 YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
804 YWRITE2(sc, YDS_GPIO_FUNCE,
805 (YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
806 #endif
807 for (to = 0; to < AC97_TIMEOUT; to++) {
808 if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
809 break;
810 delay(1);
811 }
812 if (to < AC97_TIMEOUT) {
813 /* detect id */
814 for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
815 YWRITE2(sc, AC97_CMD_ADDR,
816 AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
817
818 for (to = 0; to < AC97_TIMEOUT; to++) {
819 if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
820 == 0)
821 goto detected;
822 delay(1);
823 }
824 }
825 if (ac97_id2 == 4)
826 ac97_id2 = -1;
827 detected:
828 ;
829 }
830
831 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
832 delay (20);
833 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
834 delay (400000);
835 for (to = 0; to < AC97_TIMEOUT; to++) {
836 if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
837 break;
838 delay(1);
839 }
840
841 /*
842 * Attach ac97 codec
843 */
844 for (i = 0; i < 2; i++) {
845 static struct {
846 int data;
847 int addr;
848 } statregs[] = {
849 {AC97_STAT_DATA1, AC97_STAT_ADDR1},
850 {AC97_STAT_DATA2, AC97_STAT_ADDR2},
851 };
852
853 if (i == 1 && ac97_id2 == -1)
854 break; /* secondary ac97 not available */
855
856 codec = &sc->sc_codec[i];
857 memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
858 codec->sc = sc;
859 codec->id = i == 1 ? ac97_id2 : 0;
860 codec->status_data = statregs[i].data;
861 codec->status_addr = statregs[i].addr;
862 codec->host_if.arg = codec;
863 codec->host_if.attach = yds_attach_codec;
864 codec->host_if.read = yds_read_codec;
865 codec->host_if.write = yds_write_codec;
866 codec->host_if.reset = yds_reset_codec;
867
868 if ((r = ac97_attach(&codec->host_if)) != 0) {
869 printf("%s: can't attach codec (error 0x%X)\n",
870 sc->sc_dev.dv_xname, r);
871 return;
872 }
873 }
874
875 /* Just enable the DAC and master volumes by default */
876 ctl.type = AUDIO_MIXER_ENUM;
877 ctl.un.ord = 0; /* off */
878 ctl.dev = yds_get_portnum_by_name(sc, AudioCoutputs,
879 AudioNmaster, AudioNmute);
880 yds_mixer_set_port(sc, &ctl);
881 ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
882 AudioNdac, AudioNmute);
883 yds_mixer_set_port(sc, &ctl);
884 ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
885 AudioNcd, AudioNmute);
886 yds_mixer_set_port(sc, &ctl);
887 ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
888 AudioNvolume, AudioNmute);
889 yds_mixer_set_port(sc, &ctl);
890
891 ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
892 AudioNsource, NULL);
893 ctl.type = AUDIO_MIXER_ENUM;
894 ctl.un.ord = 0;
895 yds_mixer_set_port(sc, &ctl);
896
897 /* Set a reasonable default volume */
898 ctl.type = AUDIO_MIXER_VALUE;
899 ctl.un.value.num_channels = 2;
900 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
901 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 127;
902
903 ctl.dev = sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
904 sc->sc_codec[0].codec_if, AudioCoutputs, AudioNmaster, NULL);
905 yds_mixer_set_port(sc, &ctl);
906
907 audio_attach_mi(&yds_hw_if, sc, &sc->sc_dev);
908
909 sc->sc_legacy_iot = pa->pa_iot;
910 config_defer((struct device*) sc, yds_configure_legacy);
911
912 powerhook_establish(yds_powerhook, sc);
913 }
914
915 int
916 yds_attach_codec(sc_, codec_if)
917 void *sc_;
918 struct ac97_codec_if *codec_if;
919 {
920 struct yds_codec_softc *sc = sc_;
921
922 sc->codec_if = codec_if;
923 return 0;
924 }
925
926 static int
927 yds_ready_codec(sc)
928 struct yds_codec_softc *sc;
929 {
930 int to;
931
932 for (to = 0; to < AC97_TIMEOUT; to++) {
933 if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
934 return 0;
935 delay(1);
936 }
937
938 return 1;
939 }
940
941 int
942 yds_read_codec(sc_, reg, data)
943 void *sc_;
944 u_int8_t reg;
945 u_int16_t *data;
946 {
947 struct yds_codec_softc *sc = sc_;
948
949 YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
950
951 if (yds_ready_codec(sc)) {
952 printf("%s: yds_read_codec timeout\n",
953 sc->sc->sc_dev.dv_xname);
954 return EIO;
955 }
956
957 if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
958 sc->sc->sc_revision < 2) {
959 int i;
960 for (i=0; i<600; i++)
961 YREAD2(sc->sc, sc->status_data);
962 }
963
964 *data = YREAD2(sc->sc, sc->status_data);
965
966 return 0;
967 }
968
969 int
970 yds_write_codec(sc_, reg, data)
971 void *sc_;
972 u_int8_t reg;
973 u_int16_t data;
974 {
975 struct yds_codec_softc *sc = sc_;
976
977 YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
978 YWRITE2(sc->sc, AC97_CMD_DATA, data);
979
980 if (yds_ready_codec(sc)) {
981 printf("%s: yds_write_codec timeout\n",
982 sc->sc->sc_dev.dv_xname);
983 return EIO;
984 }
985
986 return 0;
987 }
988
989 /*
990 * XXX: Must handle the secondary differntly!!
991 */
992 void
993 yds_reset_codec(sc_)
994 void *sc_;
995 {
996 struct yds_codec_softc *codec = sc_;
997 struct yds_softc *sc = codec->sc;
998 pcireg_t reg;
999
1000 /* reset AC97 codec */
1001 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
1002 if (reg & 0x03) {
1003 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1004 YDS_PCI_DSCTRL, reg & ~0x03);
1005 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1006 YDS_PCI_DSCTRL, reg | 0x03);
1007 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1008 YDS_PCI_DSCTRL, reg & ~0x03);
1009 delay(50000);
1010 }
1011
1012 yds_ready_codec(sc_);
1013 }
1014
1015 int
1016 yds_intr(p)
1017 void *p;
1018 {
1019 struct yds_softc *sc = p;
1020 u_int status;
1021
1022 status = YREAD4(sc, YDS_STATUS);
1023 DPRINTFN(1, ("yds_intr: status=%08x\n", status));
1024 if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
1025 #if NMPU > 0
1026 if (sc->sc_mpu)
1027 return mpu_intr(sc->sc_mpu);
1028 #endif
1029 return 0;
1030 }
1031
1032 if (status & YDS_STAT_TINT) {
1033 YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
1034 printf ("yds_intr: timeout!\n");
1035 }
1036
1037 if (status & YDS_STAT_INT) {
1038 int nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
1039
1040 /* Clear interrupt flag */
1041 YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
1042
1043 /* Buffer for the next frame is always ready. */
1044 YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
1045
1046 if (sc->sc_play.intr) {
1047 u_int dma, cpu, blk, len;
1048
1049 /* Sync play slot control data */
1050 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1051 sc->pbankoff,
1052 sizeof(struct play_slot_ctrl_bank)*
1053 (*sc->ptbl)*
1054 N_PLAY_SLOT_CTRL_BANK,
1055 BUS_DMASYNC_POSTWRITE|
1056 BUS_DMASYNC_POSTREAD);
1057 dma = sc->pbankp[nbank]->pgstart * sc->sc_play.factor;
1058 cpu = sc->sc_play.offset;
1059 blk = sc->sc_play.blksize;
1060 len = sc->sc_play.length;
1061
1062 if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1063 ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1064 /* We can fill the next block */
1065 /* Sync ring buffer for previous write */
1066 bus_dmamap_sync(sc->sc_dmatag,
1067 sc->sc_play.dma->map,
1068 cpu, blk,
1069 BUS_DMASYNC_POSTWRITE);
1070 sc->sc_play.intr(sc->sc_play.intr_arg);
1071 sc->sc_play.offset += blk;
1072 if (sc->sc_play.offset >= len) {
1073 sc->sc_play.offset -= len;
1074 #ifdef DIAGNOSTIC
1075 if (sc->sc_play.offset != 0)
1076 printf ("Audio ringbuffer botch\n");
1077 #endif
1078 }
1079 /* Sync ring buffer for next write */
1080 bus_dmamap_sync(sc->sc_dmatag,
1081 sc->sc_play.dma->map,
1082 cpu, blk,
1083 BUS_DMASYNC_PREWRITE);
1084 }
1085 }
1086 if (sc->sc_rec.intr) {
1087 u_int dma, cpu, blk, len;
1088
1089 /* Sync rec slot control data */
1090 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1091 sc->rbankoff,
1092 sizeof(struct rec_slot_ctrl_bank)*
1093 N_REC_SLOT_CTRL*
1094 N_REC_SLOT_CTRL_BANK,
1095 BUS_DMASYNC_POSTWRITE|
1096 BUS_DMASYNC_POSTREAD);
1097 dma = sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr;
1098 cpu = sc->sc_rec.offset;
1099 blk = sc->sc_rec.blksize;
1100 len = sc->sc_rec.length;
1101
1102 if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1103 ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1104 /* We can drain the current block */
1105 /* Sync ring buffer first */
1106 bus_dmamap_sync(sc->sc_dmatag,
1107 sc->sc_rec.dma->map,
1108 cpu, blk,
1109 BUS_DMASYNC_POSTREAD);
1110 sc->sc_rec.intr(sc->sc_rec.intr_arg);
1111 sc->sc_rec.offset += blk;
1112 if (sc->sc_rec.offset >= len) {
1113 sc->sc_rec.offset -= len;
1114 #ifdef DIAGNOSTIC
1115 if (sc->sc_rec.offset != 0)
1116 printf ("Audio ringbuffer botch\n");
1117 #endif
1118 }
1119 /* Sync ring buffer for next read */
1120 bus_dmamap_sync(sc->sc_dmatag,
1121 sc->sc_rec.dma->map,
1122 cpu, blk,
1123 BUS_DMASYNC_PREREAD);
1124 }
1125 }
1126 }
1127
1128 return 1;
1129 }
1130
1131 int
1132 yds_allocmem(sc, size, align, p)
1133 struct yds_softc *sc;
1134 size_t size;
1135 size_t align;
1136 struct yds_dma *p;
1137 {
1138 int error;
1139
1140 p->size = size;
1141 error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
1142 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1143 &p->nsegs, BUS_DMA_NOWAIT);
1144 if (error)
1145 return (error);
1146
1147 error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
1148 &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
1149 if (error)
1150 goto free;
1151
1152 error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
1153 0, BUS_DMA_NOWAIT, &p->map);
1154 if (error)
1155 goto unmap;
1156
1157 error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
1158 BUS_DMA_NOWAIT);
1159 if (error)
1160 goto destroy;
1161 return (0);
1162
1163 destroy:
1164 bus_dmamap_destroy(sc->sc_dmatag, p->map);
1165 unmap:
1166 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1167 free:
1168 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1169 return (error);
1170 }
1171
1172 int
1173 yds_freemem(sc, p)
1174 struct yds_softc *sc;
1175 struct yds_dma *p;
1176 {
1177 bus_dmamap_unload(sc->sc_dmatag, p->map);
1178 bus_dmamap_destroy(sc->sc_dmatag, p->map);
1179 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1180 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1181 return 0;
1182 }
1183
1184 int
1185 yds_open(addr, flags)
1186 void *addr;
1187 int flags;
1188 {
1189 struct yds_softc *sc = addr;
1190 int mode;
1191
1192 /* Select bank 0. */
1193 YWRITE4(sc, YDS_CONTROL_SELECT, 0);
1194
1195 /* Start the DSP operation. */
1196 mode = YREAD4(sc, YDS_MODE);
1197 mode |= YDS_MODE_ACTV;
1198 mode &= ~YDS_MODE_ACTV2;
1199 YWRITE4(sc, YDS_MODE, mode);
1200
1201 return 0;
1202 }
1203
1204 /*
1205 * Close function is called at splaudio().
1206 */
1207 void
1208 yds_close(addr)
1209 void *addr;
1210 {
1211 struct yds_softc *sc = addr;
1212
1213 yds_halt_output(sc);
1214 yds_halt_input(sc);
1215 yds_halt(sc);
1216 }
1217
1218 int
1219 yds_query_encoding(addr, fp)
1220 void *addr;
1221 struct audio_encoding *fp;
1222 {
1223 switch (fp->index) {
1224 case 0:
1225 strcpy(fp->name, AudioEulinear);
1226 fp->encoding = AUDIO_ENCODING_ULINEAR;
1227 fp->precision = 8;
1228 fp->flags = 0;
1229 return (0);
1230 case 1:
1231 strcpy(fp->name, AudioEmulaw);
1232 fp->encoding = AUDIO_ENCODING_ULAW;
1233 fp->precision = 8;
1234 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1235 return (0);
1236 case 2:
1237 strcpy(fp->name, AudioEalaw);
1238 fp->encoding = AUDIO_ENCODING_ALAW;
1239 fp->precision = 8;
1240 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1241 return (0);
1242 case 3:
1243 strcpy(fp->name, AudioEslinear);
1244 fp->encoding = AUDIO_ENCODING_SLINEAR;
1245 fp->precision = 8;
1246 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1247 return (0);
1248 case 4:
1249 strcpy(fp->name, AudioEslinear_le);
1250 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1251 fp->precision = 16;
1252 fp->flags = 0;
1253 return (0);
1254 case 5:
1255 strcpy(fp->name, AudioEulinear_le);
1256 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1257 fp->precision = 16;
1258 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1259 return (0);
1260 case 6:
1261 strcpy(fp->name, AudioEslinear_be);
1262 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1263 fp->precision = 16;
1264 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1265 return (0);
1266 case 7:
1267 strcpy(fp->name, AudioEulinear_be);
1268 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1269 fp->precision = 16;
1270 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1271 return (0);
1272 default:
1273 return (EINVAL);
1274 }
1275 }
1276
1277 int
1278 yds_set_params(addr, setmode, usemode, play, rec)
1279 void *addr;
1280 int setmode, usemode;
1281 struct audio_params *play, *rec;
1282 {
1283 struct audio_params *p;
1284 int mode;
1285
1286 for (mode = AUMODE_RECORD; mode != -1;
1287 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1288 if ((setmode & mode) == 0)
1289 continue;
1290
1291 p = mode == AUMODE_PLAY ? play : rec;
1292
1293 if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1294 (p->precision != 8 && p->precision != 16) ||
1295 (p->channels != 1 && p->channels != 2))
1296 return (EINVAL);
1297
1298 p->factor = 1;
1299 p->sw_code = 0;
1300 switch (p->encoding) {
1301 case AUDIO_ENCODING_SLINEAR_BE:
1302 if (p->precision == 16)
1303 p->sw_code = swap_bytes;
1304 else
1305 p->sw_code = change_sign8;
1306 break;
1307 case AUDIO_ENCODING_SLINEAR_LE:
1308 if (p->precision != 16)
1309 p->sw_code = change_sign8;
1310 break;
1311 case AUDIO_ENCODING_ULINEAR_BE:
1312 if (p->precision == 16) {
1313 if (mode == AUMODE_PLAY)
1314 p->sw_code = swap_bytes_change_sign16_le;
1315 else
1316 p->sw_code = change_sign16_swap_bytes_le;
1317 }
1318 break;
1319 case AUDIO_ENCODING_ULINEAR_LE:
1320 if (p->precision == 16)
1321 p->sw_code = change_sign16_le;
1322 break;
1323 case AUDIO_ENCODING_ULAW:
1324 if (mode == AUMODE_PLAY) {
1325 p->factor = 2;
1326 p->precision = 16;
1327 p->sw_code = mulaw_to_slinear16_le;
1328 } else
1329 p->sw_code = ulinear8_to_mulaw;
1330 break;
1331 case AUDIO_ENCODING_ALAW:
1332 if (mode == AUMODE_PLAY) {
1333 p->factor = 2;
1334 p->precision = 16;
1335 p->sw_code = alaw_to_slinear16_le;
1336 } else
1337 p->sw_code = ulinear8_to_alaw;
1338 break;
1339 default:
1340 return (EINVAL);
1341 }
1342 }
1343
1344 return 0;
1345 }
1346
1347 int
1348 yds_round_blocksize(addr, blk)
1349 void *addr;
1350 int blk;
1351 {
1352 /*
1353 * Block size must be bigger than a frame.
1354 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
1355 */
1356 if (blk < 1024)
1357 blk = 1024;
1358
1359 return blk & ~4;
1360 }
1361
1362 static u_int32_t
1363 yds_get_lpfq(sample_rate)
1364 u_int sample_rate;
1365 {
1366 int i;
1367 static struct lpfqt {
1368 u_int rate;
1369 u_int32_t lpfq;
1370 } lpfqt[] = {
1371 {8000, 0x32020000},
1372 {11025, 0x31770000},
1373 {16000, 0x31390000},
1374 {22050, 0x31c90000},
1375 {32000, 0x33d00000},
1376 {48000, 0x40000000},
1377 {0, 0}
1378 };
1379
1380 if (sample_rate == 44100) /* for P44 slot? */
1381 return 0x370A0000;
1382
1383 for (i = 0; lpfqt[i].rate != 0; i++)
1384 if (sample_rate <= lpfqt[i].rate)
1385 break;
1386
1387 return lpfqt[i].lpfq;
1388 }
1389
1390 static u_int32_t
1391 yds_get_lpfk(sample_rate)
1392 u_int sample_rate;
1393 {
1394 int i;
1395 static struct lpfkt {
1396 u_int rate;
1397 u_int32_t lpfk;
1398 } lpfkt[] = {
1399 {8000, 0x18b20000},
1400 {11025, 0x20930000},
1401 {16000, 0x2b9a0000},
1402 {22050, 0x35a10000},
1403 {32000, 0x3eaa0000},
1404 {48000, 0x40000000},
1405 {0, 0}
1406 };
1407
1408 if (sample_rate == 44100) /* for P44 slot? */
1409 return 0x46460000;
1410
1411 for (i = 0; lpfkt[i].rate != 0; i++)
1412 if (sample_rate <= lpfkt[i].rate)
1413 break;
1414
1415 return lpfkt[i].lpfk;
1416 }
1417
1418 int
1419 yds_trigger_output(addr, start, end, blksize, intr, arg, param)
1420 void *addr;
1421 void *start, *end;
1422 int blksize;
1423 void (*intr) __P((void *));
1424 void *arg;
1425 struct audio_params *param;
1426 #define P44 (sc->sc_flags & YDS_CAP_HAS_P44)
1427 {
1428 struct yds_softc *sc = addr;
1429 struct yds_dma *p;
1430 struct play_slot_ctrl_bank *psb;
1431 const u_int gain = 0x40000000;
1432 bus_addr_t s;
1433 size_t l;
1434 int i;
1435 int p44, channels;
1436
1437 #ifdef DIAGNOSTIC
1438 if (sc->sc_play.intr)
1439 panic("yds_trigger_output: already running");
1440 #endif
1441
1442 sc->sc_play.intr = intr;
1443 sc->sc_play.intr_arg = arg;
1444 sc->sc_play.offset = 0;
1445 sc->sc_play.blksize = blksize;
1446
1447 DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
1448 "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1449
1450 p = yds_find_dma(sc, start);
1451 if (!p) {
1452 printf("yds_trigger_output: bad addr %p\n", start);
1453 return (EINVAL);
1454 }
1455 sc->sc_play.dma = p;
1456
1457 #ifdef YDS_USE_P44
1458 /* The document says the P44 SRC supports only stereo, 16bit PCM. */
1459 if (P44)
1460 p44 = ((param->sample_rate == 44100) &&
1461 (param->channels == 2) &&
1462 (param->precision == 16));
1463 else
1464 #endif
1465 p44 = 0;
1466 channels = p44 ? 1 : param->channels;
1467
1468 s = DMAADDR(p);
1469 l = ((char *)end - (char *)start);
1470 sc->sc_play.length = l;
1471
1472 *sc->ptbl = channels; /* Num of play */
1473
1474 sc->sc_play.factor = 1;
1475 if (param->channels == 2)
1476 sc->sc_play.factor *= 2;
1477 if (param->precision != 8)
1478 sc->sc_play.factor *= 2;
1479 l /= sc->sc_play.factor;
1480
1481 psb = sc->pbankp[0];
1482 memset(psb, 0, sizeof(*psb));
1483 psb->format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
1484 (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
1485 (p44 ? PSLT_FORMAT_SRC441 : 0));
1486 psb->pgbase = s;
1487 psb->pgloopend = l;
1488 if (!p44) {
1489 psb->pgdeltaend = (param->sample_rate * 65536 / 48000) << 12;
1490 psb->lpfkend = yds_get_lpfk(param->sample_rate);
1491 psb->eggainend = gain;
1492 psb->lpfq = yds_get_lpfq(param->sample_rate);
1493 psb->pgdelta = psb->pgdeltaend;
1494 psb->lpfk = yds_get_lpfk(param->sample_rate);
1495 psb->eggain = gain;
1496 }
1497
1498 for (i = 0; i < channels; i++) {
1499 /* i == 0: left or mono, i == 1: right */
1500 psb = sc->pbankp[i*2];
1501 if (i)
1502 /* copy from left */
1503 *psb = *(sc->pbankp[0]);
1504 if (channels == 2) {
1505 /* stereo */
1506 if (i == 0) {
1507 psb->lchgain = psb->lchgainend = gain;
1508 } else {
1509 psb->lchgain = psb->lchgainend = 0;
1510 psb->rchgain = psb->rchgainend = gain;
1511 psb->format |= PSLT_FORMAT_RCH;
1512 }
1513 } else if (!p44) {
1514 /* mono */
1515 psb->lchgain = psb->rchgain = gain;
1516 psb->lchgainend = psb->rchgainend = gain;
1517 }
1518 /* copy to the other bank */
1519 *(sc->pbankp[i*2+1]) = *psb;
1520 }
1521
1522 YDS_DUMP_PLAY_SLOT(5, sc, 0);
1523 YDS_DUMP_PLAY_SLOT(5, sc, 1);
1524
1525 if (p44)
1526 YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
1527 else
1528 YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
1529
1530 /* Now the play slot for the next frame is set up!! */
1531 /* Sync play slot control data for both directions */
1532 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1533 sc->ptbloff,
1534 sizeof(struct play_slot_ctrl_bank) *
1535 channels * N_PLAY_SLOT_CTRL_BANK,
1536 BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1537 /* Sync ring buffer */
1538 bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1539 BUS_DMASYNC_PREWRITE);
1540 /* HERE WE GO!! */
1541 YWRITE4(sc, YDS_MODE,
1542 YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1543
1544 return 0;
1545 }
1546 #undef P44
1547
1548 int
1549 yds_trigger_input(addr, start, end, blksize, intr, arg, param)
1550 void *addr;
1551 void *start, *end;
1552 int blksize;
1553 void (*intr) __P((void *));
1554 void *arg;
1555 struct audio_params *param;
1556 {
1557 struct yds_softc *sc = addr;
1558 struct yds_dma *p;
1559 u_int srate, format;
1560 struct rec_slot_ctrl_bank *rsb;
1561 bus_addr_t s;
1562 size_t l;
1563
1564 #ifdef DIAGNOSTIC
1565 if (sc->sc_rec.intr)
1566 panic("yds_trigger_input: already running");
1567 #endif
1568 sc->sc_rec.intr = intr;
1569 sc->sc_rec.intr_arg = arg;
1570 sc->sc_rec.offset = 0;
1571 sc->sc_rec.blksize = blksize;
1572
1573 DPRINTFN(1, ("yds_trigger_input: "
1574 "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1575 addr, start, end, blksize, intr, arg));
1576 DPRINTFN(1, (" parameters: rate=%lu, precision=%u, channels=%u\n",
1577 param->sample_rate, param->precision, param->channels));
1578
1579 p = yds_find_dma(sc, start);
1580 if (!p) {
1581 printf("yds_trigger_input: bad addr %p\n", start);
1582 return (EINVAL);
1583 }
1584 sc->sc_rec.dma = p;
1585
1586 s = DMAADDR(p);
1587 l = ((char *)end - (char *)start);
1588 sc->sc_rec.length = l;
1589
1590 sc->sc_rec.factor = 1;
1591 if (param->channels == 2)
1592 sc->sc_rec.factor *= 2;
1593 if (param->precision != 8)
1594 sc->sc_rec.factor *= 2;
1595
1596 rsb = &sc->rbank[0];
1597 memset(rsb, 0, sizeof(*rsb));
1598 rsb->pgbase = s;
1599 rsb->pgloopendadr = l;
1600 /* Seems all 4 banks must be set up... */
1601 sc->rbank[1] = *rsb;
1602 sc->rbank[2] = *rsb;
1603 sc->rbank[3] = *rsb;
1604
1605 YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
1606 YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
1607 srate = 48000 * 4096 / param->sample_rate - 1;
1608 format = ((param->precision == 8 ? YDS_FORMAT_8BIT : 0) |
1609 (param->channels == 2 ? YDS_FORMAT_STEREO : 0));
1610 DPRINTF(("srate=%d, format=%08x\n", srate, format));
1611 #ifdef YDS_USE_REC_SLOT
1612 YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
1613 YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
1614 YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
1615 YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
1616 YWRITE4(sc, YDS_REC_FORMAT, format);
1617 #else
1618 YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
1619 YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
1620 YWRITE4(sc, YDS_ADC_FORMAT, format);
1621 #endif
1622 /* Now the rec slot for the next frame is set up!! */
1623 /* Sync record slot control data */
1624 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1625 sc->rbankoff,
1626 sizeof(struct rec_slot_ctrl_bank)*
1627 N_REC_SLOT_CTRL*
1628 N_REC_SLOT_CTRL_BANK,
1629 BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1630 /* Sync ring buffer */
1631 bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1632 BUS_DMASYNC_PREREAD);
1633 /* HERE WE GO!! */
1634 YWRITE4(sc, YDS_MODE,
1635 YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1636
1637 return 0;
1638 }
1639
1640 static int
1641 yds_halt(sc)
1642 struct yds_softc *sc;
1643 {
1644 u_int32_t mode;
1645
1646 /* Stop the DSP operation. */
1647 mode = YREAD4(sc, YDS_MODE);
1648 YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
1649
1650 /* Paranoia... mute all */
1651 YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
1652 YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
1653 YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
1654 YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
1655 YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
1656 YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
1657
1658 return 0;
1659 }
1660
1661 int
1662 yds_halt_output(addr)
1663 void *addr;
1664 {
1665 struct yds_softc *sc = addr;
1666
1667 DPRINTF(("yds: yds_halt_output\n"));
1668 if (sc->sc_play.intr) {
1669 sc->sc_play.intr = 0;
1670 /* Sync play slot control data */
1671 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1672 sc->pbankoff,
1673 sizeof(struct play_slot_ctrl_bank)*
1674 (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
1675 BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1676 /* Stop the play slot operation */
1677 sc->pbankp[0]->status =
1678 sc->pbankp[1]->status =
1679 sc->pbankp[2]->status =
1680 sc->pbankp[3]->status = 1;
1681 /* Sync ring buffer */
1682 bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
1683 0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
1684 }
1685
1686 return 0;
1687 }
1688
1689 int
1690 yds_halt_input(addr)
1691 void *addr;
1692 {
1693 struct yds_softc *sc = addr;
1694
1695 DPRINTF(("yds: yds_halt_input\n"));
1696 sc->sc_rec.intr = NULL;
1697 if (sc->sc_rec.intr) {
1698 /* Stop the rec slot operation */
1699 YWRITE4(sc, YDS_MAPOF_REC, 0);
1700 sc->sc_rec.intr = 0;
1701 /* Sync rec slot control data */
1702 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1703 sc->rbankoff,
1704 sizeof(struct rec_slot_ctrl_bank)*
1705 N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
1706 BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1707 /* Sync ring buffer */
1708 bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
1709 0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
1710 }
1711
1712 return 0;
1713 }
1714
1715 int
1716 yds_getdev(addr, retp)
1717 void *addr;
1718 struct audio_device *retp;
1719 {
1720 *retp = yds_device;
1721
1722 return 0;
1723 }
1724
1725 int
1726 yds_mixer_set_port(addr, cp)
1727 void *addr;
1728 mixer_ctrl_t *cp;
1729 {
1730 struct yds_softc *sc = addr;
1731
1732 return (sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
1733 sc->sc_codec[0].codec_if, cp));
1734 }
1735
1736 int
1737 yds_mixer_get_port(addr, cp)
1738 void *addr;
1739 mixer_ctrl_t *cp;
1740 {
1741 struct yds_softc *sc = addr;
1742
1743 return (sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
1744 sc->sc_codec[0].codec_if, cp));
1745 }
1746
1747 int
1748 yds_query_devinfo(addr, dip)
1749 void *addr;
1750 mixer_devinfo_t *dip;
1751 {
1752 struct yds_softc *sc = addr;
1753
1754 return (sc->sc_codec[0].codec_if->vtbl->query_devinfo(
1755 sc->sc_codec[0].codec_if, dip));
1756 }
1757
1758 int
1759 yds_get_portnum_by_name(sc, class, device, qualifier)
1760 struct yds_softc *sc;
1761 char *class, *device, *qualifier;
1762 {
1763 return (sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
1764 sc->sc_codec[0].codec_if, class, device, qualifier));
1765 }
1766
1767 void *
1768 yds_malloc(addr, direction, size, pool, flags)
1769 void *addr;
1770 int direction;
1771 size_t size;
1772 int pool, flags;
1773 {
1774 struct yds_softc *sc = addr;
1775 struct yds_dma *p;
1776 int error;
1777
1778 p = malloc(sizeof(*p), pool, flags);
1779 if (!p)
1780 return (0);
1781 error = yds_allocmem(sc, size, 16, p);
1782 if (error) {
1783 free(p, pool);
1784 return (0);
1785 }
1786 p->next = sc->sc_dmas;
1787 sc->sc_dmas = p;
1788 return (KERNADDR(p));
1789 }
1790
1791 void
1792 yds_free(addr, ptr, pool)
1793 void *addr;
1794 void *ptr;
1795 int pool;
1796 {
1797 struct yds_softc *sc = addr;
1798 struct yds_dma **pp, *p;
1799
1800 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1801 if (KERNADDR(p) == ptr) {
1802 yds_freemem(sc, p);
1803 *pp = p->next;
1804 free(p, pool);
1805 return;
1806 }
1807 }
1808 }
1809
1810 static struct yds_dma *
1811 yds_find_dma(sc, addr)
1812 struct yds_softc *sc;
1813 void *addr;
1814 {
1815 struct yds_dma *p;
1816
1817 for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1818 ;
1819
1820 return p;
1821 }
1822
1823 size_t
1824 yds_round_buffersize(addr, direction, size)
1825 void *addr;
1826 int direction;
1827 size_t size;
1828 {
1829 /*
1830 * Buffer size should be at least twice as bigger as a frame.
1831 */
1832 if (size < 1024 * 3)
1833 size = 1024 * 3;
1834 return (size);
1835 }
1836
1837 paddr_t
1838 yds_mappage(addr, mem, off, prot)
1839 void *addr;
1840 void *mem;
1841 off_t off;
1842 int prot;
1843 {
1844 struct yds_softc *sc = addr;
1845 struct yds_dma *p;
1846
1847 if (off < 0)
1848 return (-1);
1849 p = yds_find_dma(sc, mem);
1850 if (!p)
1851 return (-1);
1852 return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1853 off, prot, BUS_DMA_WAITOK));
1854 }
1855
1856 int
1857 yds_get_props(addr)
1858 void *addr;
1859 {
1860 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1861 AUDIO_PROP_FULLDUPLEX);
1862 }
1863