yds.c revision 1.17.2.3 1 /* $NetBSD: yds.c,v 1.17.2.3 2004/09/21 13:31:08 skrll 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 1.17.2.3 2004/09/21 13:31:08 skrll 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 CFATTACH_DECL(yds, sizeof(struct yds_softc),
148 yds_match, yds_attach, NULL, NULL);
149
150 int yds_open __P((void *, int));
151 void yds_close __P((void *));
152 int yds_query_encoding __P((void *, struct audio_encoding *));
153 int yds_set_params __P((void *, int, int,
154 struct audio_params *, struct audio_params *));
155 int yds_round_blocksize __P((void *, int));
156 int yds_trigger_output __P((void *, void *, void *, int, void (*)(void *),
157 void *, struct audio_params *));
158 int yds_trigger_input __P((void *, void *, void *, int, void (*)(void *),
159 void *, struct audio_params *));
160 int yds_halt_output __P((void *));
161 int yds_halt_input __P((void *));
162 int yds_getdev __P((void *, struct audio_device *));
163 int yds_mixer_set_port __P((void *, mixer_ctrl_t *));
164 int yds_mixer_get_port __P((void *, mixer_ctrl_t *));
165 void *yds_malloc __P((void *, int, size_t, struct malloc_type *, int));
166 void yds_free __P((void *, void *, struct malloc_type *));
167 size_t yds_round_buffersize __P((void *, int, size_t));
168 paddr_t yds_mappage __P((void *, void *, off_t, int));
169 int yds_get_props __P((void *));
170 int yds_query_devinfo __P((void *addr, mixer_devinfo_t *dip));
171
172 int yds_attach_codec __P((void *sc, struct ac97_codec_if *));
173 int yds_read_codec __P((void *sc, u_int8_t a, u_int16_t *d));
174 int yds_write_codec __P((void *sc, u_int8_t a, u_int16_t d));
175 void yds_reset_codec __P((void *sc));
176 int yds_get_portnum_by_name __P((struct yds_softc *, char *, char *,
177 char *));
178
179 static u_int yds_get_dstype __P((int));
180 static int yds_download_mcode __P((struct yds_softc *));
181 static int yds_allocate_slots __P((struct yds_softc *));
182 static void yds_configure_legacy __P((struct device *arg));
183 static void yds_enable_dsp __P((struct yds_softc *));
184 static int yds_disable_dsp __P((struct yds_softc *));
185 static int yds_ready_codec __P((struct yds_codec_softc *));
186 static int yds_halt __P((struct yds_softc *));
187 static u_int32_t yds_get_lpfq __P((u_int));
188 static u_int32_t yds_get_lpfk __P((u_int));
189 static struct yds_dma *yds_find_dma __P((struct yds_softc *, void *));
190
191 static int yds_init __P((struct yds_softc *));
192 static void yds_powerhook __P((int, void *));
193
194 #ifdef AUDIO_DEBUG
195 static void yds_dump_play_slot __P((struct yds_softc *, int));
196 #define YDS_DUMP_PLAY_SLOT(n,sc,bank) \
197 if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
198 #else
199 #define YDS_DUMP_PLAY_SLOT(n,sc,bank)
200 #endif /* AUDIO_DEBUG */
201
202 static struct audio_hw_if yds_hw_if = {
203 yds_open,
204 yds_close,
205 NULL,
206 yds_query_encoding,
207 yds_set_params,
208 yds_round_blocksize,
209 NULL,
210 NULL,
211 NULL,
212 NULL,
213 NULL,
214 yds_halt_output,
215 yds_halt_input,
216 NULL,
217 yds_getdev,
218 NULL,
219 yds_mixer_set_port,
220 yds_mixer_get_port,
221 yds_query_devinfo,
222 yds_malloc,
223 yds_free,
224 yds_round_buffersize,
225 yds_mappage,
226 yds_get_props,
227 yds_trigger_output,
228 yds_trigger_input,
229 NULL,
230 };
231
232 struct audio_device yds_device = {
233 "Yamaha DS-1",
234 "",
235 "yds"
236 };
237
238 const static struct {
239 u_int id;
240 u_int flags;
241 #define YDS_CAP_MCODE_1 0x0001
242 #define YDS_CAP_MCODE_1E 0x0002
243 #define YDS_CAP_LEGACY_SELECTABLE 0x0004
244 #define YDS_CAP_LEGACY_FLEXIBLE 0x0008
245 #define YDS_CAP_HAS_P44 0x0010
246 } yds_chip_capabliity_list[] = {
247 { PCI_PRODUCT_YAMAHA_YMF724,
248 YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
249 /* 740[C] has only 32 slots. But anyway we use only 2 */
250 { PCI_PRODUCT_YAMAHA_YMF740,
251 YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE }, /* XXX NOT TESTED */
252 { PCI_PRODUCT_YAMAHA_YMF740C,
253 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
254 { PCI_PRODUCT_YAMAHA_YMF724F,
255 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
256 { PCI_PRODUCT_YAMAHA_YMF744B,
257 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
258 { PCI_PRODUCT_YAMAHA_YMF754,
259 YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
260 { 0, 0 }
261 };
262 #ifdef AUDIO_DEBUG
263 #define YDS_CAP_BITS "\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
264 #endif
265
266 #ifdef AUDIO_DEBUG
267 static void
268 yds_dump_play_slot(sc, bank)
269 struct yds_softc *sc;
270 int bank;
271 {
272 int i, j;
273 u_int32_t *p;
274 u_int32_t num;
275 char *pa;
276
277 for (i = 0; i < N_PLAY_SLOTS; i++) {
278 printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
279 printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
280 }
281
282 pa = (char *)DMAADDR(&sc->sc_ctrldata) + sc->pbankoff;
283 p = (u_int32_t *)sc->ptbl;
284 printf("ptbl + 0: %d\n", *p++);
285 for (i = 0; i < N_PLAY_SLOTS; i++) {
286 printf("ptbl + %d: 0x%x, should be %p\n",
287 i+1, *p,
288 pa + i * sizeof(struct play_slot_ctrl_bank) *
289 N_PLAY_SLOT_CTRL_BANK);
290 p++;
291 }
292
293 num = le32toh(*(u_int32_t*)sc->ptbl);
294 printf("numofplay = %d\n", num);
295
296 for (i = 0; i < num; i++) {
297 p = (u_int32_t *)sc->pbankp[i*2];
298
299 printf(" pbankp[%d], bank 0 : %p\n", i*2, p);
300 for (j = 0;
301 j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
302 j++) {
303 printf(" 0x%02x: 0x%08x\n",
304 (unsigned)(j * sizeof(u_int32_t)),
305 (unsigned)*p++);
306 }
307
308 p = (u_int32_t *)sc->pbankp[i*2 + 1];
309 printf(" pbankp[%d], bank 1 : %p\n", i*2 + 1, p);
310 for (j = 0;
311 j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
312 j++) {
313 printf(" 0x%02x: 0x%08x\n",
314 (unsigned)(j * sizeof(u_int32_t)),
315 (unsigned)*p++);
316 }
317 }
318 }
319 #endif /* AUDIO_DEBUG */
320
321 static u_int
322 yds_get_dstype(id)
323 int id;
324 {
325 int i;
326
327 for (i = 0; yds_chip_capabliity_list[i].id; i++) {
328 if (PCI_PRODUCT(id) == yds_chip_capabliity_list[i].id)
329 return yds_chip_capabliity_list[i].flags;
330 }
331
332 return -1;
333 }
334
335 static int
336 yds_download_mcode(sc)
337 struct yds_softc *sc;
338 {
339 u_int ctrl;
340 const u_int32_t *p;
341 size_t size;
342 int dstype;
343
344 static struct {
345 const u_int32_t *mcode;
346 size_t size;
347 } ctrls[] = {
348 {yds_ds1_ctrl_mcode, sizeof(yds_ds1_ctrl_mcode)},
349 {yds_ds1e_ctrl_mcode, sizeof(yds_ds1e_ctrl_mcode)},
350 };
351
352 if (sc->sc_flags & YDS_CAP_MCODE_1)
353 dstype = YDS_DS_1;
354 else if (sc->sc_flags & YDS_CAP_MCODE_1E)
355 dstype = YDS_DS_1E;
356 else
357 return 1; /* unknown */
358
359 if (yds_disable_dsp(sc))
360 return 1;
361
362 /* Software reset */
363 YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
364 YWRITE4(sc, YDS_MODE, 0);
365
366 YWRITE4(sc, YDS_MAPOF_REC, 0);
367 YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
368 YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
369 YWRITE4(sc, YDS_REC_CTRLBASE, 0);
370 YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
371 YWRITE4(sc, YDS_WORK_BASE, 0);
372
373 ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
374 YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
375
376 /* Download DSP microcode. */
377 p = yds_dsp_mcode;
378 size = sizeof(yds_dsp_mcode);
379 YWRITEREGION4(sc, YDS_DSP_INSTRAM, p, size);
380
381 /* Download CONTROL microcode. */
382 p = ctrls[dstype].mcode;
383 size = ctrls[dstype].size;
384 YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
385
386 yds_enable_dsp(sc);
387 delay(10 * 1000); /* nessesary on my 724F (??) */
388
389 return 0;
390 }
391
392 static int
393 yds_allocate_slots(sc)
394 struct yds_softc *sc;
395 {
396 size_t pcs, rcs, ecs, ws, memsize;
397 void *mp;
398 u_int32_t da; /* DMA address */
399 char *va; /* KVA */
400 off_t cb;
401 int i;
402 struct yds_dma *p;
403
404 /* Alloc DSP Control Data */
405 pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(u_int32_t);
406 rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(u_int32_t);
407 ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(u_int32_t);
408 ws = WORK_SIZE;
409 YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(u_int32_t));
410
411 DPRINTF(("play control size : %d\n", (unsigned int)pcs));
412 DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
413 DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
414 DPRINTF(("work size : %d\n", (unsigned int)ws));
415 #ifdef DIAGNOSTIC
416 if (pcs != sizeof(struct play_slot_ctrl_bank)) {
417 printf("%s: invalid play slot ctrldata %d != %d\n",
418 sc->sc_dev.dv_xname, (unsigned int)pcs,
419 (unsigned int)sizeof(struct play_slot_ctrl_bank));
420 if (rcs != sizeof(struct rec_slot_ctrl_bank))
421 printf("%s: invalid rec slot ctrldata %d != %d\n",
422 sc->sc_dev.dv_xname, (unsigned int)rcs,
423 (unsigned int)sizeof(struct rec_slot_ctrl_bank));
424 }
425 #endif
426
427 memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
428 N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
429 memsize += (N_PLAY_SLOTS+1)*sizeof(u_int32_t);
430
431 p = &sc->sc_ctrldata;
432 if (KERNADDR(p) == NULL) {
433 i = yds_allocmem(sc, memsize, 16, p);
434 if (i) {
435 printf("%s: couldn't alloc/map DSP DMA buffer, reason %d\n",
436 sc->sc_dev.dv_xname, i);
437 free(p, M_DEVBUF);
438 return 1;
439 }
440 }
441 mp = KERNADDR(p);
442 da = DMAADDR(p);
443
444 DPRINTF(("mp:%p, DMA addr:%p\n",
445 mp, (void *)sc->sc_ctrldata.map->dm_segs[0].ds_addr));
446
447 memset(mp, 0, memsize);
448
449 /* Work space */
450 cb = 0;
451 va = (u_int8_t *)mp;
452 YWRITE4(sc, YDS_WORK_BASE, da + cb);
453 cb += ws;
454
455 /* Play control data table */
456 sc->ptbl = (u_int32_t *)(va + cb);
457 sc->ptbloff = cb;
458 YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
459 cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(u_int32_t);
460
461 /* Record slot control data */
462 sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
463 YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
464 sc->rbankoff = cb;
465 cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
466
467 #if 0
468 /* Effect slot control data -- unused */
469 YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
470 cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
471 #endif
472
473 /* Play slot control data */
474 sc->pbankoff = cb;
475 for (i=0; i < N_PLAY_SLOT_CTRL; i++) {
476 sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
477 *(sc->ptbl + i+1) = htole32(da + cb);
478 cb += pcs;
479
480 sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
481 cb += pcs;
482 }
483 /* Sync play control data table */
484 bus_dmamap_sync(sc->sc_dmatag, p->map,
485 sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(u_int32_t),
486 BUS_DMASYNC_PREWRITE);
487
488 return 0;
489 }
490
491 static void
492 yds_enable_dsp(sc)
493 struct yds_softc *sc;
494 {
495 YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
496 }
497
498 static int
499 yds_disable_dsp(sc)
500 struct yds_softc *sc;
501 {
502 int to;
503 u_int32_t data;
504
505 data = YREAD4(sc, YDS_CONFIG);
506 if (data)
507 YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
508
509 for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
510 if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
511 return 0;
512 delay(1);
513 }
514
515 return 1;
516 }
517
518 int
519 yds_match(parent, match, aux)
520 struct device *parent;
521 struct cfdata *match;
522 void *aux;
523 {
524 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
525
526 switch (PCI_VENDOR(pa->pa_id)) {
527 case PCI_VENDOR_YAMAHA:
528 switch (PCI_PRODUCT(pa->pa_id)) {
529 case PCI_PRODUCT_YAMAHA_YMF724:
530 case PCI_PRODUCT_YAMAHA_YMF740:
531 case PCI_PRODUCT_YAMAHA_YMF740C:
532 case PCI_PRODUCT_YAMAHA_YMF724F:
533 case PCI_PRODUCT_YAMAHA_YMF744B:
534 case PCI_PRODUCT_YAMAHA_YMF754:
535 return (1);
536 }
537 break;
538 }
539
540 return (0);
541 }
542
543 /*
544 * This routine is called after all the ISA devices are configured,
545 * to avoid conflict.
546 */
547 static void
548 yds_configure_legacy (arg)
549 struct device *arg;
550 #define FLEXIBLE (sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
551 #define SELECTABLE (sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
552 {
553 struct yds_softc *sc = (struct yds_softc*) arg;
554 pcireg_t reg;
555 struct device *dev;
556 int i;
557 bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
558 bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
559
560 if (!FLEXIBLE && !SELECTABLE)
561 return;
562
563 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
564 reg &= ~0x8133c03f; /* these bits are out of interest */
565 reg |= ((YDS_PCI_EX_LEGACY_IMOD) |
566 (YDS_PCI_LEGACY_FMEN |
567 YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/));
568 reg |= YDS_PCI_EX_LEGACY_SMOD_DISABLE;
569 if (FLEXIBLE) {
570 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
571 delay(100*1000);
572 }
573
574 /* Look for OPL */
575 dev = 0;
576 for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
577 if (SELECTABLE) {
578 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
579 YDS_PCI_LEGACY, reg | (i << (0+16)));
580 delay(100*1000); /* wait 100ms */
581 } else
582 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
583 YDS_PCI_FM_BA, opl_addrs[i]);
584 if (bus_space_map(sc->sc_opl_iot,
585 opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
586 struct audio_attach_args aa;
587
588 aa.type = AUDIODEV_TYPE_OPL;
589 aa.hwif = aa.hdl = NULL;
590 dev = config_found(&sc->sc_dev, &aa, audioprint);
591 if (dev == 0)
592 bus_space_unmap(sc->sc_opl_iot,
593 sc->sc_opl_ioh, 4);
594 else {
595 if (SELECTABLE)
596 reg |= (i << (0+16));
597 break;
598 }
599 }
600 }
601 if (dev == 0) {
602 reg &= ~YDS_PCI_LEGACY_FMEN;
603 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
604 YDS_PCI_LEGACY, reg);
605 } else {
606 /* Max. volume */
607 YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
608 YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
609 }
610
611 /* Look for MPU */
612 dev = 0;
613 for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
614 if (SELECTABLE)
615 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
616 YDS_PCI_LEGACY, reg | (i << (4+16)));
617 else
618 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
619 YDS_PCI_MPU_BA, mpu_addrs[i]);
620 if (bus_space_map(sc->sc_mpu_iot,
621 mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
622 struct audio_attach_args aa;
623
624 aa.type = AUDIODEV_TYPE_MPU;
625 aa.hwif = aa.hdl = NULL;
626 dev = config_found(&sc->sc_dev, &aa, audioprint);
627 if (dev == 0)
628 bus_space_unmap(sc->sc_mpu_iot,
629 sc->sc_mpu_ioh, 2);
630 else {
631 if (SELECTABLE)
632 reg |= (i << (4+16));
633 break;
634 }
635 }
636 }
637 if (dev == 0) {
638 reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
639 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
640 }
641 sc->sc_mpu = dev;
642 }
643 #undef FLEXIBLE
644 #undef SELECTABLE
645
646 static int
647 yds_init(sc)
648 struct yds_softc *sc;
649 {
650 u_int32_t reg;
651
652 DPRINTF(("yds_init()\n"));
653
654 /* Download microcode */
655 if (yds_download_mcode(sc)) {
656 printf("%s: download microcode failed\n", sc->sc_dev.dv_xname);
657 return 1;
658 }
659
660 /* Allocate DMA buffers */
661 if (yds_allocate_slots(sc)) {
662 printf("%s: could not allocate slots\n", sc->sc_dev.dv_xname);
663 return 1;
664 }
665
666 /* Warm reset */
667 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
668 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
669 reg | YDS_DSCTRL_WRST);
670 delay(50000);
671
672 return 0;
673 }
674
675 static void
676 yds_powerhook(why, addr)
677 int why;
678 void *addr;
679 {
680 struct yds_softc *sc = addr;
681
682 if (why == PWR_RESUME) {
683 if (yds_init(sc)) {
684 printf("%s: reinitialize failed\n",
685 sc->sc_dev.dv_xname);
686 return;
687 }
688 sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
689 }
690 }
691
692 void
693 yds_attach(parent, self, aux)
694 struct device *parent;
695 struct device *self;
696 void *aux;
697 {
698 struct yds_softc *sc = (struct yds_softc *)self;
699 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
700 pci_chipset_tag_t pc = pa->pa_pc;
701 char const *intrstr;
702 pci_intr_handle_t ih;
703 pcireg_t reg;
704 struct yds_codec_softc *codec;
705 char devinfo[256];
706 mixer_ctrl_t ctl;
707 int i, r, to;
708 int revision;
709 int ac97_id2;
710
711 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
712 revision = PCI_REVISION(pa->pa_class);
713 printf(": %s (rev. 0x%02x)\n", devinfo, revision);
714
715 /* Map register to memory */
716 if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
717 &sc->memt, &sc->memh, NULL, NULL)) {
718 printf("%s: can't map memory space\n", sc->sc_dev.dv_xname);
719 return;
720 }
721
722 /* Map and establish the interrupt. */
723 if (pci_intr_map(pa, &ih)) {
724 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
725 return;
726 }
727 intrstr = pci_intr_string(pc, ih);
728 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
729 if (sc->sc_ih == NULL) {
730 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
731 if (intrstr != NULL)
732 printf(" at %s", intrstr);
733 printf("\n");
734 return;
735 }
736 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
737
738 sc->sc_dmatag = pa->pa_dmat;
739 sc->sc_pc = pc;
740 sc->sc_pcitag = pa->pa_tag;
741 sc->sc_id = pa->pa_id;
742 sc->sc_revision = revision;
743 sc->sc_flags = yds_get_dstype(sc->sc_id);
744 #ifdef AUDIO_DEBUG
745 if (ydsdebug) {
746 char bits[80];
747
748 printf("%s: chip has %s\n", sc->sc_dev.dv_xname,
749 bitmask_snprintf(sc->sc_flags, YDS_CAP_BITS, bits,
750 sizeof(bits)));
751 }
752 #endif
753
754 /* Disable legacy mode */
755 reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
756 pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
757 reg & YDS_PCI_LEGACY_LAD);
758
759 /* Enable the device. */
760 reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
761 reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
762 PCI_COMMAND_MASTER_ENABLE);
763 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
764 reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
765
766 /* Mute all volumes */
767 for (i = 0x80; i < 0xc0; i += 2)
768 YWRITE2(sc, i, 0);
769
770 /* Initialize the device */
771 if (yds_init(sc)) {
772 printf("%s: initialize failed\n", sc->sc_dev.dv_xname);
773 return;
774 }
775
776 /*
777 * Detect primary/secondary AC97
778 * YMF754 Hardware Specification Rev 1.01 page 24
779 */
780 reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
781 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
782 delay(400000); /* Needed for 740C. */
783
784 /* Primary */
785 for (to = 0; to < AC97_TIMEOUT; to++) {
786 if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
787 break;
788 delay(1);
789 }
790 if (to == AC97_TIMEOUT) {
791 printf("%s: no AC97 available\n", sc->sc_dev.dv_xname);
792 return;
793 }
794
795 /* Secondary */
796 /* Secondary AC97 is used for 4ch audio. Currently unused. */
797 ac97_id2 = -1;
798 if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
799 goto detected;
800 #if 0 /* reset secondary... */
801 YWRITE2(sc, YDS_GPIO_OCTRL,
802 YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
803 YWRITE2(sc, YDS_GPIO_FUNCE,
804 (YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
805 #endif
806 for (to = 0; to < AC97_TIMEOUT; to++) {
807 if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
808 break;
809 delay(1);
810 }
811 if (to < AC97_TIMEOUT) {
812 /* detect id */
813 for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
814 YWRITE2(sc, AC97_CMD_ADDR,
815 AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
816
817 for (to = 0; to < AC97_TIMEOUT; to++) {
818 if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
819 == 0)
820 goto detected;
821 delay(1);
822 }
823 }
824 if (ac97_id2 == 4)
825 ac97_id2 = -1;
826 detected:
827 ;
828 }
829
830 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
831 delay (20);
832 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
833 delay (400000);
834 for (to = 0; to < AC97_TIMEOUT; to++) {
835 if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
836 break;
837 delay(1);
838 }
839
840 /*
841 * Attach ac97 codec
842 */
843 for (i = 0; i < 2; i++) {
844 static struct {
845 int data;
846 int addr;
847 } statregs[] = {
848 {AC97_STAT_DATA1, AC97_STAT_ADDR1},
849 {AC97_STAT_DATA2, AC97_STAT_ADDR2},
850 };
851
852 if (i == 1 && ac97_id2 == -1)
853 break; /* secondary ac97 not available */
854
855 codec = &sc->sc_codec[i];
856 memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
857 codec->sc = sc;
858 codec->id = i == 1 ? ac97_id2 : 0;
859 codec->status_data = statregs[i].data;
860 codec->status_addr = statregs[i].addr;
861 codec->host_if.arg = codec;
862 codec->host_if.attach = yds_attach_codec;
863 codec->host_if.read = yds_read_codec;
864 codec->host_if.write = yds_write_codec;
865 codec->host_if.reset = yds_reset_codec;
866
867 if ((r = ac97_attach(&codec->host_if)) != 0) {
868 printf("%s: can't attach codec (error 0x%X)\n",
869 sc->sc_dev.dv_xname, r);
870 return;
871 }
872 }
873
874 /* Just enable the DAC and master volumes by default */
875 ctl.type = AUDIO_MIXER_ENUM;
876 ctl.un.ord = 0; /* off */
877 ctl.dev = yds_get_portnum_by_name(sc, AudioCoutputs,
878 AudioNmaster, AudioNmute);
879 yds_mixer_set_port(sc, &ctl);
880 ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
881 AudioNdac, AudioNmute);
882 yds_mixer_set_port(sc, &ctl);
883 ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
884 AudioNcd, AudioNmute);
885 yds_mixer_set_port(sc, &ctl);
886 ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
887 AudioNvolume, AudioNmute);
888 yds_mixer_set_port(sc, &ctl);
889
890 ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
891 AudioNsource, NULL);
892 ctl.type = AUDIO_MIXER_ENUM;
893 ctl.un.ord = 0;
894 yds_mixer_set_port(sc, &ctl);
895
896 /* Set a reasonable default volume */
897 ctl.type = AUDIO_MIXER_VALUE;
898 ctl.un.value.num_channels = 2;
899 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
900 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 127;
901
902 ctl.dev = sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
903 sc->sc_codec[0].codec_if, AudioCoutputs, AudioNmaster, NULL);
904 yds_mixer_set_port(sc, &ctl);
905
906 audio_attach_mi(&yds_hw_if, sc, &sc->sc_dev);
907
908 sc->sc_legacy_iot = pa->pa_iot;
909 config_defer((struct device*) sc, yds_configure_legacy);
910
911 powerhook_establish(yds_powerhook, sc);
912 }
913
914 int
915 yds_attach_codec(sc_, codec_if)
916 void *sc_;
917 struct ac97_codec_if *codec_if;
918 {
919 struct yds_codec_softc *sc = sc_;
920
921 sc->codec_if = codec_if;
922 return 0;
923 }
924
925 static int
926 yds_ready_codec(sc)
927 struct yds_codec_softc *sc;
928 {
929 int to;
930
931 for (to = 0; to < AC97_TIMEOUT; to++) {
932 if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
933 return 0;
934 delay(1);
935 }
936
937 return 1;
938 }
939
940 int
941 yds_read_codec(sc_, reg, data)
942 void *sc_;
943 u_int8_t reg;
944 u_int16_t *data;
945 {
946 struct yds_codec_softc *sc = sc_;
947
948 YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
949
950 if (yds_ready_codec(sc)) {
951 printf("%s: yds_read_codec timeout\n",
952 sc->sc->sc_dev.dv_xname);
953 return EIO;
954 }
955
956 if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
957 sc->sc->sc_revision < 2) {
958 int i;
959 for (i=0; i<600; i++)
960 YREAD2(sc->sc, sc->status_data);
961 }
962
963 *data = YREAD2(sc->sc, sc->status_data);
964
965 return 0;
966 }
967
968 int
969 yds_write_codec(sc_, reg, data)
970 void *sc_;
971 u_int8_t reg;
972 u_int16_t data;
973 {
974 struct yds_codec_softc *sc = sc_;
975
976 YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
977 YWRITE2(sc->sc, AC97_CMD_DATA, data);
978
979 if (yds_ready_codec(sc)) {
980 printf("%s: yds_write_codec timeout\n",
981 sc->sc->sc_dev.dv_xname);
982 return EIO;
983 }
984
985 return 0;
986 }
987
988 /*
989 * XXX: Must handle the secondary differntly!!
990 */
991 void
992 yds_reset_codec(sc_)
993 void *sc_;
994 {
995 struct yds_codec_softc *codec = sc_;
996 struct yds_softc *sc = codec->sc;
997 pcireg_t reg;
998
999 /* reset AC97 codec */
1000 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
1001 if (reg & 0x03) {
1002 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1003 YDS_PCI_DSCTRL, reg & ~0x03);
1004 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1005 YDS_PCI_DSCTRL, reg | 0x03);
1006 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1007 YDS_PCI_DSCTRL, reg & ~0x03);
1008 delay(50000);
1009 }
1010
1011 yds_ready_codec(sc_);
1012 }
1013
1014 int
1015 yds_intr(p)
1016 void *p;
1017 {
1018 struct yds_softc *sc = p;
1019 u_int status;
1020
1021 status = YREAD4(sc, YDS_STATUS);
1022 DPRINTFN(1, ("yds_intr: status=%08x\n", status));
1023 if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
1024 #if NMPU > 0
1025 if (sc->sc_mpu)
1026 return mpu_intr(sc->sc_mpu);
1027 #endif
1028 return 0;
1029 }
1030
1031 if (status & YDS_STAT_TINT) {
1032 YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
1033 printf ("yds_intr: timeout!\n");
1034 }
1035
1036 if (status & YDS_STAT_INT) {
1037 int nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
1038
1039 /* Clear interrupt flag */
1040 YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
1041
1042 /* Buffer for the next frame is always ready. */
1043 YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
1044
1045 if (sc->sc_play.intr) {
1046 u_int dma, cpu, blk, len;
1047
1048 /* Sync play slot control data */
1049 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1050 sc->pbankoff,
1051 sizeof(struct play_slot_ctrl_bank)*
1052 le32toh(*sc->ptbl)*
1053 N_PLAY_SLOT_CTRL_BANK,
1054 BUS_DMASYNC_POSTWRITE|
1055 BUS_DMASYNC_POSTREAD);
1056 dma = le32toh(sc->pbankp[nbank]->pgstart) * sc->sc_play.factor;
1057 cpu = sc->sc_play.offset;
1058 blk = sc->sc_play.blksize;
1059 len = sc->sc_play.length;
1060
1061 if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1062 ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1063 /* We can fill the next block */
1064 /* Sync ring buffer for previous write */
1065 bus_dmamap_sync(sc->sc_dmatag,
1066 sc->sc_play.dma->map,
1067 cpu, blk,
1068 BUS_DMASYNC_POSTWRITE);
1069 sc->sc_play.intr(sc->sc_play.intr_arg);
1070 sc->sc_play.offset += blk;
1071 if (sc->sc_play.offset >= len) {
1072 sc->sc_play.offset -= len;
1073 #ifdef DIAGNOSTIC
1074 if (sc->sc_play.offset != 0)
1075 printf ("Audio ringbuffer botch\n");
1076 #endif
1077 }
1078 /* Sync ring buffer for next write */
1079 bus_dmamap_sync(sc->sc_dmatag,
1080 sc->sc_play.dma->map,
1081 cpu, blk,
1082 BUS_DMASYNC_PREWRITE);
1083 }
1084 }
1085 if (sc->sc_rec.intr) {
1086 u_int dma, cpu, blk, len;
1087
1088 /* Sync rec slot control data */
1089 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1090 sc->rbankoff,
1091 sizeof(struct rec_slot_ctrl_bank)*
1092 N_REC_SLOT_CTRL*
1093 N_REC_SLOT_CTRL_BANK,
1094 BUS_DMASYNC_POSTWRITE|
1095 BUS_DMASYNC_POSTREAD);
1096 dma = le32toh(sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr);
1097 cpu = sc->sc_rec.offset;
1098 blk = sc->sc_rec.blksize;
1099 len = sc->sc_rec.length;
1100
1101 if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1102 ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1103 /* We can drain the current block */
1104 /* Sync ring buffer first */
1105 bus_dmamap_sync(sc->sc_dmatag,
1106 sc->sc_rec.dma->map,
1107 cpu, blk,
1108 BUS_DMASYNC_POSTREAD);
1109 sc->sc_rec.intr(sc->sc_rec.intr_arg);
1110 sc->sc_rec.offset += blk;
1111 if (sc->sc_rec.offset >= len) {
1112 sc->sc_rec.offset -= len;
1113 #ifdef DIAGNOSTIC
1114 if (sc->sc_rec.offset != 0)
1115 printf ("Audio ringbuffer botch\n");
1116 #endif
1117 }
1118 /* Sync ring buffer for next read */
1119 bus_dmamap_sync(sc->sc_dmatag,
1120 sc->sc_rec.dma->map,
1121 cpu, blk,
1122 BUS_DMASYNC_PREREAD);
1123 }
1124 }
1125 }
1126
1127 return 1;
1128 }
1129
1130 int
1131 yds_allocmem(sc, size, align, p)
1132 struct yds_softc *sc;
1133 size_t size;
1134 size_t align;
1135 struct yds_dma *p;
1136 {
1137 int error;
1138
1139 p->size = size;
1140 error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
1141 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1142 &p->nsegs, BUS_DMA_NOWAIT);
1143 if (error)
1144 return (error);
1145
1146 error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
1147 &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
1148 if (error)
1149 goto free;
1150
1151 error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
1152 0, BUS_DMA_NOWAIT, &p->map);
1153 if (error)
1154 goto unmap;
1155
1156 error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
1157 BUS_DMA_NOWAIT);
1158 if (error)
1159 goto destroy;
1160 return (0);
1161
1162 destroy:
1163 bus_dmamap_destroy(sc->sc_dmatag, p->map);
1164 unmap:
1165 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1166 free:
1167 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1168 return (error);
1169 }
1170
1171 int
1172 yds_freemem(sc, p)
1173 struct yds_softc *sc;
1174 struct yds_dma *p;
1175 {
1176 bus_dmamap_unload(sc->sc_dmatag, p->map);
1177 bus_dmamap_destroy(sc->sc_dmatag, p->map);
1178 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1179 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1180 return 0;
1181 }
1182
1183 int
1184 yds_open(addr, flags)
1185 void *addr;
1186 int flags;
1187 {
1188 struct yds_softc *sc = addr;
1189 u_int32_t mode;
1190
1191 /* Select bank 0. */
1192 YWRITE4(sc, YDS_CONTROL_SELECT, 0);
1193
1194 /* Start the DSP operation. */
1195 mode = YREAD4(sc, YDS_MODE);
1196 mode |= YDS_MODE_ACTV;
1197 mode &= ~YDS_MODE_ACTV2;
1198 YWRITE4(sc, YDS_MODE, mode);
1199
1200 return 0;
1201 }
1202
1203 /*
1204 * Close function is called at splaudio().
1205 */
1206 void
1207 yds_close(addr)
1208 void *addr;
1209 {
1210 struct yds_softc *sc = addr;
1211
1212 yds_halt(sc);
1213 }
1214
1215 int
1216 yds_query_encoding(addr, fp)
1217 void *addr;
1218 struct audio_encoding *fp;
1219 {
1220 switch (fp->index) {
1221 case 0:
1222 strcpy(fp->name, AudioEulinear);
1223 fp->encoding = AUDIO_ENCODING_ULINEAR;
1224 fp->precision = 8;
1225 fp->flags = 0;
1226 return (0);
1227 case 1:
1228 strcpy(fp->name, AudioEmulaw);
1229 fp->encoding = AUDIO_ENCODING_ULAW;
1230 fp->precision = 8;
1231 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1232 return (0);
1233 case 2:
1234 strcpy(fp->name, AudioEalaw);
1235 fp->encoding = AUDIO_ENCODING_ALAW;
1236 fp->precision = 8;
1237 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1238 return (0);
1239 case 3:
1240 strcpy(fp->name, AudioEslinear);
1241 fp->encoding = AUDIO_ENCODING_SLINEAR;
1242 fp->precision = 8;
1243 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1244 return (0);
1245 case 4:
1246 strcpy(fp->name, AudioEslinear_le);
1247 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1248 fp->precision = 16;
1249 fp->flags = 0;
1250 return (0);
1251 case 5:
1252 strcpy(fp->name, AudioEulinear_le);
1253 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1254 fp->precision = 16;
1255 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1256 return (0);
1257 case 6:
1258 strcpy(fp->name, AudioEslinear_be);
1259 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1260 fp->precision = 16;
1261 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1262 return (0);
1263 case 7:
1264 strcpy(fp->name, AudioEulinear_be);
1265 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1266 fp->precision = 16;
1267 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1268 return (0);
1269 default:
1270 return (EINVAL);
1271 }
1272 }
1273
1274 int
1275 yds_set_params(addr, setmode, usemode, play, rec)
1276 void *addr;
1277 int setmode, usemode;
1278 struct audio_params *play, *rec;
1279 {
1280 struct audio_params *p;
1281 int mode;
1282
1283 for (mode = AUMODE_RECORD; mode != -1;
1284 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1285 if ((setmode & mode) == 0)
1286 continue;
1287
1288 p = mode == AUMODE_PLAY ? play : rec;
1289
1290 if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1291 (p->precision != 8 && p->precision != 16) ||
1292 (p->channels != 1 && p->channels != 2))
1293 return (EINVAL);
1294
1295 p->factor = 1;
1296 p->sw_code = 0;
1297 switch (p->encoding) {
1298 case AUDIO_ENCODING_SLINEAR_BE:
1299 if (p->precision == 16)
1300 p->sw_code = swap_bytes;
1301 else
1302 p->sw_code = change_sign8;
1303 break;
1304 case AUDIO_ENCODING_SLINEAR_LE:
1305 if (p->precision != 16)
1306 p->sw_code = change_sign8;
1307 break;
1308 case AUDIO_ENCODING_ULINEAR_BE:
1309 if (p->precision == 16) {
1310 if (mode == AUMODE_PLAY)
1311 p->sw_code = swap_bytes_change_sign16_le;
1312 else
1313 p->sw_code = change_sign16_swap_bytes_le;
1314 }
1315 break;
1316 case AUDIO_ENCODING_ULINEAR_LE:
1317 if (p->precision == 16)
1318 p->sw_code = change_sign16_le;
1319 break;
1320 case AUDIO_ENCODING_ULAW:
1321 if (mode == AUMODE_PLAY) {
1322 p->factor = 2;
1323 p->precision = 16;
1324 p->sw_code = mulaw_to_slinear16_le;
1325 } else
1326 p->sw_code = ulinear8_to_mulaw;
1327 break;
1328 case AUDIO_ENCODING_ALAW:
1329 if (mode == AUMODE_PLAY) {
1330 p->factor = 2;
1331 p->precision = 16;
1332 p->sw_code = alaw_to_slinear16_le;
1333 } else
1334 p->sw_code = ulinear8_to_alaw;
1335 break;
1336 default:
1337 return (EINVAL);
1338 }
1339 }
1340
1341 return 0;
1342 }
1343
1344 int
1345 yds_round_blocksize(addr, blk)
1346 void *addr;
1347 int blk;
1348 {
1349 /*
1350 * Block size must be bigger than a frame.
1351 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
1352 */
1353 if (blk < 1024)
1354 blk = 1024;
1355
1356 return blk & ~4;
1357 }
1358
1359 static u_int32_t
1360 yds_get_lpfq(sample_rate)
1361 u_int sample_rate;
1362 {
1363 int i;
1364 static struct lpfqt {
1365 u_int rate;
1366 u_int32_t lpfq;
1367 } lpfqt[] = {
1368 {8000, 0x32020000},
1369 {11025, 0x31770000},
1370 {16000, 0x31390000},
1371 {22050, 0x31c90000},
1372 {32000, 0x33d00000},
1373 {48000, 0x40000000},
1374 {0, 0}
1375 };
1376
1377 if (sample_rate == 44100) /* for P44 slot? */
1378 return 0x370A0000;
1379
1380 for (i = 0; lpfqt[i].rate != 0; i++)
1381 if (sample_rate <= lpfqt[i].rate)
1382 break;
1383
1384 return lpfqt[i].lpfq;
1385 }
1386
1387 static u_int32_t
1388 yds_get_lpfk(sample_rate)
1389 u_int sample_rate;
1390 {
1391 int i;
1392 static struct lpfkt {
1393 u_int rate;
1394 u_int32_t lpfk;
1395 } lpfkt[] = {
1396 {8000, 0x18b20000},
1397 {11025, 0x20930000},
1398 {16000, 0x2b9a0000},
1399 {22050, 0x35a10000},
1400 {32000, 0x3eaa0000},
1401 {48000, 0x40000000},
1402 {0, 0}
1403 };
1404
1405 if (sample_rate == 44100) /* for P44 slot? */
1406 return 0x46460000;
1407
1408 for (i = 0; lpfkt[i].rate != 0; i++)
1409 if (sample_rate <= lpfkt[i].rate)
1410 break;
1411
1412 return lpfkt[i].lpfk;
1413 }
1414
1415 int
1416 yds_trigger_output(addr, start, end, blksize, intr, arg, param)
1417 void *addr;
1418 void *start, *end;
1419 int blksize;
1420 void (*intr) __P((void *));
1421 void *arg;
1422 struct audio_params *param;
1423 #define P44 (sc->sc_flags & YDS_CAP_HAS_P44)
1424 {
1425 struct yds_softc *sc = addr;
1426 struct yds_dma *p;
1427 struct play_slot_ctrl_bank *psb;
1428 const u_int gain = 0x40000000;
1429 bus_addr_t s;
1430 size_t l;
1431 int i;
1432 int p44, channels;
1433 u_int32_t format;
1434
1435 #ifdef DIAGNOSTIC
1436 if (sc->sc_play.intr)
1437 panic("yds_trigger_output: already running");
1438 #endif
1439
1440 sc->sc_play.intr = intr;
1441 sc->sc_play.intr_arg = arg;
1442 sc->sc_play.offset = 0;
1443 sc->sc_play.blksize = blksize;
1444
1445 DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
1446 "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1447
1448 p = yds_find_dma(sc, start);
1449 if (!p) {
1450 printf("yds_trigger_output: bad addr %p\n", start);
1451 return (EINVAL);
1452 }
1453 sc->sc_play.dma = p;
1454
1455 #ifdef YDS_USE_P44
1456 /* The document says the P44 SRC supports only stereo, 16bit PCM. */
1457 if (P44)
1458 p44 = ((param->sample_rate == 44100) &&
1459 (param->channels == 2) &&
1460 (param->precision == 16));
1461 else
1462 #endif
1463 p44 = 0;
1464 channels = p44 ? 1 : param->channels;
1465
1466 s = DMAADDR(p);
1467 l = ((char *)end - (char *)start);
1468 sc->sc_play.length = l;
1469
1470 *sc->ptbl = htole32(channels); /* Num of play */
1471
1472 sc->sc_play.factor = 1;
1473 if (param->channels == 2)
1474 sc->sc_play.factor *= 2;
1475 if (param->precision != 8)
1476 sc->sc_play.factor *= 2;
1477 l /= sc->sc_play.factor;
1478
1479 format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
1480 (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
1481 (p44 ? PSLT_FORMAT_SRC441 : 0));
1482
1483 psb = sc->pbankp[0];
1484 memset(psb, 0, sizeof(*psb));
1485 psb->format = htole32(format);
1486 psb->pgbase = htole32(s);
1487 psb->pgloopend = htole32(l);
1488 if (!p44) {
1489 psb->pgdeltaend = htole32((param->sample_rate * 65536 / 48000) << 12);
1490 psb->lpfkend = htole32(yds_get_lpfk(param->sample_rate));
1491 psb->eggainend = htole32(gain);
1492 psb->lpfq = htole32(yds_get_lpfq(param->sample_rate));
1493 psb->pgdelta = htole32(psb->pgdeltaend);
1494 psb->lpfk = htole32(yds_get_lpfk(param->sample_rate));
1495 psb->eggain = htole32(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 = htole32(gain);
1508 } else {
1509 psb->lchgain = psb->lchgainend = 0;
1510 psb->rchgain = psb->rchgainend = htole32(gain);
1511 psb->format |= htole32(PSLT_FORMAT_RCH);
1512 }
1513 } else if (!p44) {
1514 /* mono */
1515 psb->lchgain = psb->rchgain = htole32(gain);
1516 psb->lchgainend = psb->rchgainend = htole32(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 = htole32(s);
1599 rsb->pgloopendadr = htole32(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 struct malloc_type *pool;
1773 int flags;
1774 {
1775 struct yds_softc *sc = addr;
1776 struct yds_dma *p;
1777 int error;
1778
1779 p = malloc(sizeof(*p), pool, flags);
1780 if (!p)
1781 return (0);
1782 error = yds_allocmem(sc, size, 16, p);
1783 if (error) {
1784 free(p, pool);
1785 return (0);
1786 }
1787 p->next = sc->sc_dmas;
1788 sc->sc_dmas = p;
1789 return (KERNADDR(p));
1790 }
1791
1792 void
1793 yds_free(addr, ptr, pool)
1794 void *addr;
1795 void *ptr;
1796 struct malloc_type *pool;
1797 {
1798 struct yds_softc *sc = addr;
1799 struct yds_dma **pp, *p;
1800
1801 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1802 if (KERNADDR(p) == ptr) {
1803 yds_freemem(sc, p);
1804 *pp = p->next;
1805 free(p, pool);
1806 return;
1807 }
1808 }
1809 }
1810
1811 static struct yds_dma *
1812 yds_find_dma(sc, addr)
1813 struct yds_softc *sc;
1814 void *addr;
1815 {
1816 struct yds_dma *p;
1817
1818 for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1819 ;
1820
1821 return p;
1822 }
1823
1824 size_t
1825 yds_round_buffersize(addr, direction, size)
1826 void *addr;
1827 int direction;
1828 size_t size;
1829 {
1830 /*
1831 * Buffer size should be at least twice as bigger as a frame.
1832 */
1833 if (size < 1024 * 3)
1834 size = 1024 * 3;
1835 return (size);
1836 }
1837
1838 paddr_t
1839 yds_mappage(addr, mem, off, prot)
1840 void *addr;
1841 void *mem;
1842 off_t off;
1843 int prot;
1844 {
1845 struct yds_softc *sc = addr;
1846 struct yds_dma *p;
1847
1848 if (off < 0)
1849 return (-1);
1850 p = yds_find_dma(sc, mem);
1851 if (!p)
1852 return (-1);
1853 return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1854 off, prot, BUS_DMA_WAITOK));
1855 }
1856
1857 int
1858 yds_get_props(addr)
1859 void *addr;
1860 {
1861 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1862 AUDIO_PROP_FULLDUPLEX);
1863 }
1864