yds.c revision 1.14 1 /* $NetBSD: yds.c,v 1.14 2002/09/30 20:38:09 thorpej 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 1.14 2002/09/30 20:38:09 thorpej 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, int, int));
166 void yds_free __P((void *, void *, int));
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 if (FLEXIBLE) {
569 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
570 delay(100*1000);
571 }
572
573 /* Look for OPL */
574 dev = 0;
575 for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
576 if (SELECTABLE) {
577 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
578 YDS_PCI_LEGACY, reg | (i << (0+16)));
579 delay(100*1000); /* wait 100ms */
580 } else
581 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
582 YDS_PCI_FM_BA, opl_addrs[i]);
583 if (bus_space_map(sc->sc_opl_iot,
584 opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
585 struct audio_attach_args aa;
586
587 aa.type = AUDIODEV_TYPE_OPL;
588 aa.hwif = aa.hdl = NULL;
589 dev = config_found(&sc->sc_dev, &aa, audioprint);
590 if (dev == 0)
591 bus_space_unmap(sc->sc_opl_iot,
592 sc->sc_opl_ioh, 4);
593 else {
594 if (SELECTABLE)
595 reg |= (i << (0+16));
596 break;
597 }
598 }
599 }
600 if (dev == 0) {
601 reg &= ~YDS_PCI_LEGACY_FMEN;
602 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
603 YDS_PCI_LEGACY, reg);
604 } else {
605 /* Max. volume */
606 YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
607 YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
608 }
609
610 /* Look for MPU */
611 dev = 0;
612 for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
613 if (SELECTABLE)
614 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
615 YDS_PCI_LEGACY, reg | (i << (4+16)));
616 else
617 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
618 YDS_PCI_MPU_BA, mpu_addrs[i]);
619 if (bus_space_map(sc->sc_mpu_iot,
620 mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
621 struct audio_attach_args aa;
622
623 aa.type = AUDIODEV_TYPE_MPU;
624 aa.hwif = aa.hdl = NULL;
625 dev = config_found(&sc->sc_dev, &aa, audioprint);
626 if (dev == 0)
627 bus_space_unmap(sc->sc_mpu_iot,
628 sc->sc_mpu_ioh, 2);
629 else {
630 if (SELECTABLE)
631 reg |= (i << (4+16));
632 break;
633 }
634 }
635 }
636 if (dev == 0) {
637 reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
638 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
639 }
640 sc->sc_mpu = dev;
641 }
642 #undef FLEXIBLE
643 #undef SELECTABLE
644
645 static int
646 yds_init(sc)
647 struct yds_softc *sc;
648 {
649 u_int32_t reg;
650
651 DPRINTF(("yds_init()\n"));
652
653 /* Download microcode */
654 if (yds_download_mcode(sc)) {
655 printf("%s: download microcode failed\n", sc->sc_dev.dv_xname);
656 return 1;
657 }
658
659 /* Allocate DMA buffers */
660 if (yds_allocate_slots(sc)) {
661 printf("%s: could not allocate slots\n", sc->sc_dev.dv_xname);
662 return 1;
663 }
664
665 /* Warm reset */
666 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
667 pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
668 reg | YDS_DSCTRL_WRST);
669 delay(50000);
670
671 return 0;
672 }
673
674 static void
675 yds_powerhook(why, addr)
676 int why;
677 void *addr;
678 {
679 struct yds_softc *sc = addr;
680
681 if (why == PWR_RESUME) {
682 if (yds_init(sc)) {
683 printf("%s: reinitialize failed\n",
684 sc->sc_dev.dv_xname);
685 return;
686 }
687 sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
688 }
689 }
690
691 void
692 yds_attach(parent, self, aux)
693 struct device *parent;
694 struct device *self;
695 void *aux;
696 {
697 struct yds_softc *sc = (struct yds_softc *)self;
698 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
699 pci_chipset_tag_t pc = pa->pa_pc;
700 char const *intrstr;
701 pci_intr_handle_t ih;
702 pcireg_t reg;
703 struct yds_codec_softc *codec;
704 char devinfo[256];
705 mixer_ctrl_t ctl;
706 int i, r, to;
707 int revision;
708 int ac97_id2;
709
710 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
711 revision = PCI_REVISION(pa->pa_class);
712 printf(": %s (rev. 0x%02x)\n", devinfo, revision);
713
714 /* Map register to memory */
715 if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
716 &sc->memt, &sc->memh, NULL, NULL)) {
717 printf("%s: can't map memory space\n", sc->sc_dev.dv_xname);
718 return;
719 }
720
721 /* Map and establish the interrupt. */
722 if (pci_intr_map(pa, &ih)) {
723 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
724 return;
725 }
726 intrstr = pci_intr_string(pc, ih);
727 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
728 if (sc->sc_ih == NULL) {
729 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
730 if (intrstr != NULL)
731 printf(" at %s", intrstr);
732 printf("\n");
733 return;
734 }
735 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
736
737 sc->sc_dmatag = pa->pa_dmat;
738 sc->sc_pc = pc;
739 sc->sc_pcitag = pa->pa_tag;
740 sc->sc_id = pa->pa_id;
741 sc->sc_revision = revision;
742 sc->sc_flags = yds_get_dstype(sc->sc_id);
743 #ifdef AUDIO_DEBUG
744 if (ydsdebug) {
745 char bits[80];
746
747 printf("%s: chip has %s\n", sc->sc_dev.dv_xname,
748 bitmask_snprintf(sc->sc_flags, YDS_CAP_BITS, bits,
749 sizeof(bits)));
750 }
751 #endif
752
753 /* Disable legacy mode */
754 reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
755 pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
756 reg & YDS_PCI_LEGACY_LAD);
757
758 /* Enable the device. */
759 reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
760 reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
761 PCI_COMMAND_MASTER_ENABLE);
762 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
763 reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
764
765 /* Mute all volumes */
766 for (i = 0x80; i < 0xc0; i += 2)
767 YWRITE2(sc, i, 0);
768
769 /* Initialize the device */
770 if (yds_init(sc)) {
771 printf("%s: initialize failed\n", sc->sc_dev.dv_xname);
772 return;
773 }
774
775 /*
776 * Detect primary/secondary AC97
777 * YMF754 Hardware Specification Rev 1.01 page 24
778 */
779 reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
780 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
781 delay(400000); /* Needed for 740C. */
782
783 /* Primary */
784 for (to = 0; to < AC97_TIMEOUT; to++) {
785 if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
786 break;
787 delay(1);
788 }
789 if (to == AC97_TIMEOUT) {
790 printf("%s: no AC97 avaliable\n", sc->sc_dev.dv_xname);
791 return;
792 }
793
794 /* Secondary */
795 /* Secondary AC97 is used for 4ch audio. Currently unused. */
796 ac97_id2 = -1;
797 if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
798 goto detected;
799 #if 0 /* reset secondary... */
800 YWRITE2(sc, YDS_GPIO_OCTRL,
801 YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
802 YWRITE2(sc, YDS_GPIO_FUNCE,
803 (YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
804 #endif
805 for (to = 0; to < AC97_TIMEOUT; to++) {
806 if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
807 break;
808 delay(1);
809 }
810 if (to < AC97_TIMEOUT) {
811 /* detect id */
812 for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
813 YWRITE2(sc, AC97_CMD_ADDR,
814 AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
815
816 for (to = 0; to < AC97_TIMEOUT; to++) {
817 if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
818 == 0)
819 goto detected;
820 delay(1);
821 }
822 }
823 if (ac97_id2 == 4)
824 ac97_id2 = -1;
825 detected:
826 ;
827 }
828
829 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
830 delay (20);
831 pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
832 delay (400000);
833 for (to = 0; to < AC97_TIMEOUT; to++) {
834 if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
835 break;
836 delay(1);
837 }
838
839 /*
840 * Attach ac97 codec
841 */
842 for (i = 0; i < 2; i++) {
843 static struct {
844 int data;
845 int addr;
846 } statregs[] = {
847 {AC97_STAT_DATA1, AC97_STAT_ADDR1},
848 {AC97_STAT_DATA2, AC97_STAT_ADDR2},
849 };
850
851 if (i == 1 && ac97_id2 == -1)
852 break; /* secondary ac97 not available */
853
854 codec = &sc->sc_codec[i];
855 memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
856 codec->sc = sc;
857 codec->id = i == 1 ? ac97_id2 : 0;
858 codec->status_data = statregs[i].data;
859 codec->status_addr = statregs[i].addr;
860 codec->host_if.arg = codec;
861 codec->host_if.attach = yds_attach_codec;
862 codec->host_if.read = yds_read_codec;
863 codec->host_if.write = yds_write_codec;
864 codec->host_if.reset = yds_reset_codec;
865
866 if ((r = ac97_attach(&codec->host_if)) != 0) {
867 printf("%s: can't attach codec (error 0x%X)\n",
868 sc->sc_dev.dv_xname, r);
869 return;
870 }
871 }
872
873 /* Just enable the DAC and master volumes by default */
874 ctl.type = AUDIO_MIXER_ENUM;
875 ctl.un.ord = 0; /* off */
876 ctl.dev = yds_get_portnum_by_name(sc, AudioCoutputs,
877 AudioNmaster, AudioNmute);
878 yds_mixer_set_port(sc, &ctl);
879 ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
880 AudioNdac, AudioNmute);
881 yds_mixer_set_port(sc, &ctl);
882 ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
883 AudioNcd, AudioNmute);
884 yds_mixer_set_port(sc, &ctl);
885 ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
886 AudioNvolume, AudioNmute);
887 yds_mixer_set_port(sc, &ctl);
888
889 ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
890 AudioNsource, NULL);
891 ctl.type = AUDIO_MIXER_ENUM;
892 ctl.un.ord = 0;
893 yds_mixer_set_port(sc, &ctl);
894
895 /* Set a reasonable default volume */
896 ctl.type = AUDIO_MIXER_VALUE;
897 ctl.un.value.num_channels = 2;
898 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
899 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 127;
900
901 ctl.dev = sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
902 sc->sc_codec[0].codec_if, AudioCoutputs, AudioNmaster, NULL);
903 yds_mixer_set_port(sc, &ctl);
904
905 audio_attach_mi(&yds_hw_if, sc, &sc->sc_dev);
906
907 sc->sc_legacy_iot = pa->pa_iot;
908 config_defer((struct device*) sc, yds_configure_legacy);
909
910 powerhook_establish(yds_powerhook, sc);
911 }
912
913 int
914 yds_attach_codec(sc_, codec_if)
915 void *sc_;
916 struct ac97_codec_if *codec_if;
917 {
918 struct yds_codec_softc *sc = sc_;
919
920 sc->codec_if = codec_if;
921 return 0;
922 }
923
924 static int
925 yds_ready_codec(sc)
926 struct yds_codec_softc *sc;
927 {
928 int to;
929
930 for (to = 0; to < AC97_TIMEOUT; to++) {
931 if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
932 return 0;
933 delay(1);
934 }
935
936 return 1;
937 }
938
939 int
940 yds_read_codec(sc_, reg, data)
941 void *sc_;
942 u_int8_t reg;
943 u_int16_t *data;
944 {
945 struct yds_codec_softc *sc = sc_;
946
947 YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
948
949 if (yds_ready_codec(sc)) {
950 printf("%s: yds_read_codec timeout\n",
951 sc->sc->sc_dev.dv_xname);
952 return EIO;
953 }
954
955 if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
956 sc->sc->sc_revision < 2) {
957 int i;
958 for (i=0; i<600; i++)
959 YREAD2(sc->sc, sc->status_data);
960 }
961
962 *data = YREAD2(sc->sc, sc->status_data);
963
964 return 0;
965 }
966
967 int
968 yds_write_codec(sc_, reg, data)
969 void *sc_;
970 u_int8_t reg;
971 u_int16_t data;
972 {
973 struct yds_codec_softc *sc = sc_;
974
975 YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
976 YWRITE2(sc->sc, AC97_CMD_DATA, data);
977
978 if (yds_ready_codec(sc)) {
979 printf("%s: yds_write_codec timeout\n",
980 sc->sc->sc_dev.dv_xname);
981 return EIO;
982 }
983
984 return 0;
985 }
986
987 /*
988 * XXX: Must handle the secondary differntly!!
989 */
990 void
991 yds_reset_codec(sc_)
992 void *sc_;
993 {
994 struct yds_codec_softc *codec = sc_;
995 struct yds_softc *sc = codec->sc;
996 pcireg_t reg;
997
998 /* reset AC97 codec */
999 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
1000 if (reg & 0x03) {
1001 pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1002 YDS_PCI_DSCTRL, 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 delay(50000);
1008 }
1009
1010 yds_ready_codec(sc_);
1011 }
1012
1013 int
1014 yds_intr(p)
1015 void *p;
1016 {
1017 struct yds_softc *sc = p;
1018 u_int status;
1019
1020 status = YREAD4(sc, YDS_STATUS);
1021 DPRINTFN(1, ("yds_intr: status=%08x\n", status));
1022 if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
1023 #if NMPU > 0
1024 if (sc->sc_mpu)
1025 return mpu_intr(sc->sc_mpu);
1026 #endif
1027 return 0;
1028 }
1029
1030 if (status & YDS_STAT_TINT) {
1031 YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
1032 printf ("yds_intr: timeout!\n");
1033 }
1034
1035 if (status & YDS_STAT_INT) {
1036 int nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
1037
1038 /* Clear interrupt flag */
1039 YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
1040
1041 /* Buffer for the next frame is always ready. */
1042 YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
1043
1044 if (sc->sc_play.intr) {
1045 u_int dma, cpu, blk, len;
1046
1047 /* Sync play slot control data */
1048 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1049 sc->pbankoff,
1050 sizeof(struct play_slot_ctrl_bank)*
1051 le32toh(*sc->ptbl)*
1052 N_PLAY_SLOT_CTRL_BANK,
1053 BUS_DMASYNC_POSTWRITE|
1054 BUS_DMASYNC_POSTREAD);
1055 dma = le32toh(sc->pbankp[nbank]->pgstart) * sc->sc_play.factor;
1056 cpu = sc->sc_play.offset;
1057 blk = sc->sc_play.blksize;
1058 len = sc->sc_play.length;
1059
1060 if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1061 ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1062 /* We can fill the next block */
1063 /* Sync ring buffer for previous write */
1064 bus_dmamap_sync(sc->sc_dmatag,
1065 sc->sc_play.dma->map,
1066 cpu, blk,
1067 BUS_DMASYNC_POSTWRITE);
1068 sc->sc_play.intr(sc->sc_play.intr_arg);
1069 sc->sc_play.offset += blk;
1070 if (sc->sc_play.offset >= len) {
1071 sc->sc_play.offset -= len;
1072 #ifdef DIAGNOSTIC
1073 if (sc->sc_play.offset != 0)
1074 printf ("Audio ringbuffer botch\n");
1075 #endif
1076 }
1077 /* Sync ring buffer for next write */
1078 bus_dmamap_sync(sc->sc_dmatag,
1079 sc->sc_play.dma->map,
1080 cpu, blk,
1081 BUS_DMASYNC_PREWRITE);
1082 }
1083 }
1084 if (sc->sc_rec.intr) {
1085 u_int dma, cpu, blk, len;
1086
1087 /* Sync rec slot control data */
1088 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1089 sc->rbankoff,
1090 sizeof(struct rec_slot_ctrl_bank)*
1091 N_REC_SLOT_CTRL*
1092 N_REC_SLOT_CTRL_BANK,
1093 BUS_DMASYNC_POSTWRITE|
1094 BUS_DMASYNC_POSTREAD);
1095 dma = le32toh(sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr);
1096 cpu = sc->sc_rec.offset;
1097 blk = sc->sc_rec.blksize;
1098 len = sc->sc_rec.length;
1099
1100 if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1101 ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1102 /* We can drain the current block */
1103 /* Sync ring buffer first */
1104 bus_dmamap_sync(sc->sc_dmatag,
1105 sc->sc_rec.dma->map,
1106 cpu, blk,
1107 BUS_DMASYNC_POSTREAD);
1108 sc->sc_rec.intr(sc->sc_rec.intr_arg);
1109 sc->sc_rec.offset += blk;
1110 if (sc->sc_rec.offset >= len) {
1111 sc->sc_rec.offset -= len;
1112 #ifdef DIAGNOSTIC
1113 if (sc->sc_rec.offset != 0)
1114 printf ("Audio ringbuffer botch\n");
1115 #endif
1116 }
1117 /* Sync ring buffer for next read */
1118 bus_dmamap_sync(sc->sc_dmatag,
1119 sc->sc_rec.dma->map,
1120 cpu, blk,
1121 BUS_DMASYNC_PREREAD);
1122 }
1123 }
1124 }
1125
1126 return 1;
1127 }
1128
1129 int
1130 yds_allocmem(sc, size, align, p)
1131 struct yds_softc *sc;
1132 size_t size;
1133 size_t align;
1134 struct yds_dma *p;
1135 {
1136 int error;
1137
1138 p->size = size;
1139 error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
1140 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1141 &p->nsegs, BUS_DMA_NOWAIT);
1142 if (error)
1143 return (error);
1144
1145 error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
1146 &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
1147 if (error)
1148 goto free;
1149
1150 error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
1151 0, BUS_DMA_NOWAIT, &p->map);
1152 if (error)
1153 goto unmap;
1154
1155 error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
1156 BUS_DMA_NOWAIT);
1157 if (error)
1158 goto destroy;
1159 return (0);
1160
1161 destroy:
1162 bus_dmamap_destroy(sc->sc_dmatag, p->map);
1163 unmap:
1164 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1165 free:
1166 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1167 return (error);
1168 }
1169
1170 int
1171 yds_freemem(sc, p)
1172 struct yds_softc *sc;
1173 struct yds_dma *p;
1174 {
1175 bus_dmamap_unload(sc->sc_dmatag, p->map);
1176 bus_dmamap_destroy(sc->sc_dmatag, p->map);
1177 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1178 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1179 return 0;
1180 }
1181
1182 int
1183 yds_open(addr, flags)
1184 void *addr;
1185 int flags;
1186 {
1187 struct yds_softc *sc = addr;
1188 u_int32_t mode;
1189
1190 /* Select bank 0. */
1191 YWRITE4(sc, YDS_CONTROL_SELECT, 0);
1192
1193 /* Start the DSP operation. */
1194 mode = YREAD4(sc, YDS_MODE);
1195 mode |= YDS_MODE_ACTV;
1196 mode &= ~YDS_MODE_ACTV2;
1197 YWRITE4(sc, YDS_MODE, mode);
1198
1199 return 0;
1200 }
1201
1202 /*
1203 * Close function is called at splaudio().
1204 */
1205 void
1206 yds_close(addr)
1207 void *addr;
1208 {
1209 struct yds_softc *sc = addr;
1210
1211 yds_halt_output(sc);
1212 yds_halt_input(sc);
1213 yds_halt(sc);
1214 }
1215
1216 int
1217 yds_query_encoding(addr, fp)
1218 void *addr;
1219 struct audio_encoding *fp;
1220 {
1221 switch (fp->index) {
1222 case 0:
1223 strcpy(fp->name, AudioEulinear);
1224 fp->encoding = AUDIO_ENCODING_ULINEAR;
1225 fp->precision = 8;
1226 fp->flags = 0;
1227 return (0);
1228 case 1:
1229 strcpy(fp->name, AudioEmulaw);
1230 fp->encoding = AUDIO_ENCODING_ULAW;
1231 fp->precision = 8;
1232 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1233 return (0);
1234 case 2:
1235 strcpy(fp->name, AudioEalaw);
1236 fp->encoding = AUDIO_ENCODING_ALAW;
1237 fp->precision = 8;
1238 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1239 return (0);
1240 case 3:
1241 strcpy(fp->name, AudioEslinear);
1242 fp->encoding = AUDIO_ENCODING_SLINEAR;
1243 fp->precision = 8;
1244 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1245 return (0);
1246 case 4:
1247 strcpy(fp->name, AudioEslinear_le);
1248 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1249 fp->precision = 16;
1250 fp->flags = 0;
1251 return (0);
1252 case 5:
1253 strcpy(fp->name, AudioEulinear_le);
1254 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1255 fp->precision = 16;
1256 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1257 return (0);
1258 case 6:
1259 strcpy(fp->name, AudioEslinear_be);
1260 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1261 fp->precision = 16;
1262 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1263 return (0);
1264 case 7:
1265 strcpy(fp->name, AudioEulinear_be);
1266 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1267 fp->precision = 16;
1268 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1269 return (0);
1270 default:
1271 return (EINVAL);
1272 }
1273 }
1274
1275 int
1276 yds_set_params(addr, setmode, usemode, play, rec)
1277 void *addr;
1278 int setmode, usemode;
1279 struct audio_params *play, *rec;
1280 {
1281 struct audio_params *p;
1282 int mode;
1283
1284 for (mode = AUMODE_RECORD; mode != -1;
1285 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1286 if ((setmode & mode) == 0)
1287 continue;
1288
1289 p = mode == AUMODE_PLAY ? play : rec;
1290
1291 if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1292 (p->precision != 8 && p->precision != 16) ||
1293 (p->channels != 1 && p->channels != 2))
1294 return (EINVAL);
1295
1296 p->factor = 1;
1297 p->sw_code = 0;
1298 switch (p->encoding) {
1299 case AUDIO_ENCODING_SLINEAR_BE:
1300 if (p->precision == 16)
1301 p->sw_code = swap_bytes;
1302 else
1303 p->sw_code = change_sign8;
1304 break;
1305 case AUDIO_ENCODING_SLINEAR_LE:
1306 if (p->precision != 16)
1307 p->sw_code = change_sign8;
1308 break;
1309 case AUDIO_ENCODING_ULINEAR_BE:
1310 if (p->precision == 16) {
1311 if (mode == AUMODE_PLAY)
1312 p->sw_code = swap_bytes_change_sign16_le;
1313 else
1314 p->sw_code = change_sign16_swap_bytes_le;
1315 }
1316 break;
1317 case AUDIO_ENCODING_ULINEAR_LE:
1318 if (p->precision == 16)
1319 p->sw_code = change_sign16_le;
1320 break;
1321 case AUDIO_ENCODING_ULAW:
1322 if (mode == AUMODE_PLAY) {
1323 p->factor = 2;
1324 p->precision = 16;
1325 p->sw_code = mulaw_to_slinear16_le;
1326 } else
1327 p->sw_code = ulinear8_to_mulaw;
1328 break;
1329 case AUDIO_ENCODING_ALAW:
1330 if (mode == AUMODE_PLAY) {
1331 p->factor = 2;
1332 p->precision = 16;
1333 p->sw_code = alaw_to_slinear16_le;
1334 } else
1335 p->sw_code = ulinear8_to_alaw;
1336 break;
1337 default:
1338 return (EINVAL);
1339 }
1340 }
1341
1342 return 0;
1343 }
1344
1345 int
1346 yds_round_blocksize(addr, blk)
1347 void *addr;
1348 int blk;
1349 {
1350 /*
1351 * Block size must be bigger than a frame.
1352 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
1353 */
1354 if (blk < 1024)
1355 blk = 1024;
1356
1357 return blk & ~4;
1358 }
1359
1360 static u_int32_t
1361 yds_get_lpfq(sample_rate)
1362 u_int sample_rate;
1363 {
1364 int i;
1365 static struct lpfqt {
1366 u_int rate;
1367 u_int32_t lpfq;
1368 } lpfqt[] = {
1369 {8000, 0x32020000},
1370 {11025, 0x31770000},
1371 {16000, 0x31390000},
1372 {22050, 0x31c90000},
1373 {32000, 0x33d00000},
1374 {48000, 0x40000000},
1375 {0, 0}
1376 };
1377
1378 if (sample_rate == 44100) /* for P44 slot? */
1379 return 0x370A0000;
1380
1381 for (i = 0; lpfqt[i].rate != 0; i++)
1382 if (sample_rate <= lpfqt[i].rate)
1383 break;
1384
1385 return lpfqt[i].lpfq;
1386 }
1387
1388 static u_int32_t
1389 yds_get_lpfk(sample_rate)
1390 u_int sample_rate;
1391 {
1392 int i;
1393 static struct lpfkt {
1394 u_int rate;
1395 u_int32_t lpfk;
1396 } lpfkt[] = {
1397 {8000, 0x18b20000},
1398 {11025, 0x20930000},
1399 {16000, 0x2b9a0000},
1400 {22050, 0x35a10000},
1401 {32000, 0x3eaa0000},
1402 {48000, 0x40000000},
1403 {0, 0}
1404 };
1405
1406 if (sample_rate == 44100) /* for P44 slot? */
1407 return 0x46460000;
1408
1409 for (i = 0; lpfkt[i].rate != 0; i++)
1410 if (sample_rate <= lpfkt[i].rate)
1411 break;
1412
1413 return lpfkt[i].lpfk;
1414 }
1415
1416 int
1417 yds_trigger_output(addr, start, end, blksize, intr, arg, param)
1418 void *addr;
1419 void *start, *end;
1420 int blksize;
1421 void (*intr) __P((void *));
1422 void *arg;
1423 struct audio_params *param;
1424 #define P44 (sc->sc_flags & YDS_CAP_HAS_P44)
1425 {
1426 struct yds_softc *sc = addr;
1427 struct yds_dma *p;
1428 struct play_slot_ctrl_bank *psb;
1429 const u_int gain = 0x40000000;
1430 bus_addr_t s;
1431 size_t l;
1432 int i;
1433 int p44, channels;
1434 u_int32_t format;
1435
1436 #ifdef DIAGNOSTIC
1437 if (sc->sc_play.intr)
1438 panic("yds_trigger_output: already running");
1439 #endif
1440
1441 sc->sc_play.intr = intr;
1442 sc->sc_play.intr_arg = arg;
1443 sc->sc_play.offset = 0;
1444 sc->sc_play.blksize = blksize;
1445
1446 DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
1447 "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1448
1449 p = yds_find_dma(sc, start);
1450 if (!p) {
1451 printf("yds_trigger_output: bad addr %p\n", start);
1452 return (EINVAL);
1453 }
1454 sc->sc_play.dma = p;
1455
1456 #ifdef YDS_USE_P44
1457 /* The document says the P44 SRC supports only stereo, 16bit PCM. */
1458 if (P44)
1459 p44 = ((param->sample_rate == 44100) &&
1460 (param->channels == 2) &&
1461 (param->precision == 16));
1462 else
1463 #endif
1464 p44 = 0;
1465 channels = p44 ? 1 : param->channels;
1466
1467 s = DMAADDR(p);
1468 l = ((char *)end - (char *)start);
1469 sc->sc_play.length = l;
1470
1471 *sc->ptbl = htole32(channels); /* Num of play */
1472
1473 sc->sc_play.factor = 1;
1474 if (param->channels == 2)
1475 sc->sc_play.factor *= 2;
1476 if (param->precision != 8)
1477 sc->sc_play.factor *= 2;
1478 l /= sc->sc_play.factor;
1479
1480 format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
1481 (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
1482 (p44 ? PSLT_FORMAT_SRC441 : 0));
1483
1484 psb = sc->pbankp[0];
1485 memset(psb, 0, sizeof(*psb));
1486 psb->format = htole32(format);
1487 psb->pgbase = htole32(s);
1488 psb->pgloopend = htole32(l);
1489 if (!p44) {
1490 psb->pgdeltaend = htole32((param->sample_rate * 65536 / 48000) << 12);
1491 psb->lpfkend = htole32(yds_get_lpfk(param->sample_rate));
1492 psb->eggainend = htole32(gain);
1493 psb->lpfq = htole32(yds_get_lpfq(param->sample_rate));
1494 psb->pgdelta = htole32(psb->pgdeltaend);
1495 psb->lpfk = htole32(yds_get_lpfk(param->sample_rate));
1496 psb->eggain = htole32(gain);
1497 }
1498
1499 for (i = 0; i < channels; i++) {
1500 /* i == 0: left or mono, i == 1: right */
1501 psb = sc->pbankp[i*2];
1502 if (i)
1503 /* copy from left */
1504 *psb = *(sc->pbankp[0]);
1505 if (channels == 2) {
1506 /* stereo */
1507 if (i == 0) {
1508 psb->lchgain = psb->lchgainend = htole32(gain);
1509 } else {
1510 psb->lchgain = psb->lchgainend = 0;
1511 psb->rchgain = psb->rchgainend = htole32(gain);
1512 psb->format |= htole32(PSLT_FORMAT_RCH);
1513 }
1514 } else if (!p44) {
1515 /* mono */
1516 psb->lchgain = psb->rchgain = htole32(gain);
1517 psb->lchgainend = psb->rchgainend = htole32(gain);
1518 }
1519 /* copy to the other bank */
1520 *(sc->pbankp[i*2+1]) = *psb;
1521 }
1522
1523 YDS_DUMP_PLAY_SLOT(5, sc, 0);
1524 YDS_DUMP_PLAY_SLOT(5, sc, 1);
1525
1526 if (p44)
1527 YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
1528 else
1529 YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
1530
1531 /* Now the play slot for the next frame is set up!! */
1532 /* Sync play slot control data for both directions */
1533 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1534 sc->ptbloff,
1535 sizeof(struct play_slot_ctrl_bank) *
1536 channels * N_PLAY_SLOT_CTRL_BANK,
1537 BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1538 /* Sync ring buffer */
1539 bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1540 BUS_DMASYNC_PREWRITE);
1541 /* HERE WE GO!! */
1542 YWRITE4(sc, YDS_MODE,
1543 YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1544
1545 return 0;
1546 }
1547 #undef P44
1548
1549 int
1550 yds_trigger_input(addr, start, end, blksize, intr, arg, param)
1551 void *addr;
1552 void *start, *end;
1553 int blksize;
1554 void (*intr) __P((void *));
1555 void *arg;
1556 struct audio_params *param;
1557 {
1558 struct yds_softc *sc = addr;
1559 struct yds_dma *p;
1560 u_int srate, format;
1561 struct rec_slot_ctrl_bank *rsb;
1562 bus_addr_t s;
1563 size_t l;
1564
1565 #ifdef DIAGNOSTIC
1566 if (sc->sc_rec.intr)
1567 panic("yds_trigger_input: already running");
1568 #endif
1569 sc->sc_rec.intr = intr;
1570 sc->sc_rec.intr_arg = arg;
1571 sc->sc_rec.offset = 0;
1572 sc->sc_rec.blksize = blksize;
1573
1574 DPRINTFN(1, ("yds_trigger_input: "
1575 "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1576 addr, start, end, blksize, intr, arg));
1577 DPRINTFN(1, (" parameters: rate=%lu, precision=%u, channels=%u\n",
1578 param->sample_rate, param->precision, param->channels));
1579
1580 p = yds_find_dma(sc, start);
1581 if (!p) {
1582 printf("yds_trigger_input: bad addr %p\n", start);
1583 return (EINVAL);
1584 }
1585 sc->sc_rec.dma = p;
1586
1587 s = DMAADDR(p);
1588 l = ((char *)end - (char *)start);
1589 sc->sc_rec.length = l;
1590
1591 sc->sc_rec.factor = 1;
1592 if (param->channels == 2)
1593 sc->sc_rec.factor *= 2;
1594 if (param->precision != 8)
1595 sc->sc_rec.factor *= 2;
1596
1597 rsb = &sc->rbank[0];
1598 memset(rsb, 0, sizeof(*rsb));
1599 rsb->pgbase = htole32(s);
1600 rsb->pgloopendadr = htole32(l);
1601 /* Seems all 4 banks must be set up... */
1602 sc->rbank[1] = *rsb;
1603 sc->rbank[2] = *rsb;
1604 sc->rbank[3] = *rsb;
1605
1606 YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
1607 YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
1608 srate = 48000 * 4096 / param->sample_rate - 1;
1609 format = ((param->precision == 8 ? YDS_FORMAT_8BIT : 0) |
1610 (param->channels == 2 ? YDS_FORMAT_STEREO : 0));
1611 DPRINTF(("srate=%d, format=%08x\n", srate, format));
1612 #ifdef YDS_USE_REC_SLOT
1613 YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
1614 YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
1615 YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
1616 YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
1617 YWRITE4(sc, YDS_REC_FORMAT, format);
1618 #else
1619 YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
1620 YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
1621 YWRITE4(sc, YDS_ADC_FORMAT, format);
1622 #endif
1623 /* Now the rec slot for the next frame is set up!! */
1624 /* Sync record slot control data */
1625 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1626 sc->rbankoff,
1627 sizeof(struct rec_slot_ctrl_bank)*
1628 N_REC_SLOT_CTRL*
1629 N_REC_SLOT_CTRL_BANK,
1630 BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1631 /* Sync ring buffer */
1632 bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1633 BUS_DMASYNC_PREREAD);
1634 /* HERE WE GO!! */
1635 YWRITE4(sc, YDS_MODE,
1636 YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1637
1638 return 0;
1639 }
1640
1641 static int
1642 yds_halt(sc)
1643 struct yds_softc *sc;
1644 {
1645 u_int32_t mode;
1646
1647 /* Stop the DSP operation. */
1648 mode = YREAD4(sc, YDS_MODE);
1649 YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
1650
1651 /* Paranoia... mute all */
1652 YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
1653 YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
1654 YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
1655 YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
1656 YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
1657 YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
1658
1659 return 0;
1660 }
1661
1662 int
1663 yds_halt_output(addr)
1664 void *addr;
1665 {
1666 struct yds_softc *sc = addr;
1667
1668 DPRINTF(("yds: yds_halt_output\n"));
1669 if (sc->sc_play.intr) {
1670 sc->sc_play.intr = 0;
1671 /* Sync play slot control data */
1672 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1673 sc->pbankoff,
1674 sizeof(struct play_slot_ctrl_bank)*
1675 (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
1676 BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1677 /* Stop the play slot operation */
1678 sc->pbankp[0]->status =
1679 sc->pbankp[1]->status =
1680 sc->pbankp[2]->status =
1681 sc->pbankp[3]->status = 1;
1682 /* Sync ring buffer */
1683 bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
1684 0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
1685 }
1686
1687 return 0;
1688 }
1689
1690 int
1691 yds_halt_input(addr)
1692 void *addr;
1693 {
1694 struct yds_softc *sc = addr;
1695
1696 DPRINTF(("yds: yds_halt_input\n"));
1697 sc->sc_rec.intr = NULL;
1698 if (sc->sc_rec.intr) {
1699 /* Stop the rec slot operation */
1700 YWRITE4(sc, YDS_MAPOF_REC, 0);
1701 sc->sc_rec.intr = 0;
1702 /* Sync rec slot control data */
1703 bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1704 sc->rbankoff,
1705 sizeof(struct rec_slot_ctrl_bank)*
1706 N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
1707 BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1708 /* Sync ring buffer */
1709 bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
1710 0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
1711 }
1712
1713 return 0;
1714 }
1715
1716 int
1717 yds_getdev(addr, retp)
1718 void *addr;
1719 struct audio_device *retp;
1720 {
1721 *retp = yds_device;
1722
1723 return 0;
1724 }
1725
1726 int
1727 yds_mixer_set_port(addr, cp)
1728 void *addr;
1729 mixer_ctrl_t *cp;
1730 {
1731 struct yds_softc *sc = addr;
1732
1733 return (sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
1734 sc->sc_codec[0].codec_if, cp));
1735 }
1736
1737 int
1738 yds_mixer_get_port(addr, cp)
1739 void *addr;
1740 mixer_ctrl_t *cp;
1741 {
1742 struct yds_softc *sc = addr;
1743
1744 return (sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
1745 sc->sc_codec[0].codec_if, cp));
1746 }
1747
1748 int
1749 yds_query_devinfo(addr, dip)
1750 void *addr;
1751 mixer_devinfo_t *dip;
1752 {
1753 struct yds_softc *sc = addr;
1754
1755 return (sc->sc_codec[0].codec_if->vtbl->query_devinfo(
1756 sc->sc_codec[0].codec_if, dip));
1757 }
1758
1759 int
1760 yds_get_portnum_by_name(sc, class, device, qualifier)
1761 struct yds_softc *sc;
1762 char *class, *device, *qualifier;
1763 {
1764 return (sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
1765 sc->sc_codec[0].codec_if, class, device, qualifier));
1766 }
1767
1768 void *
1769 yds_malloc(addr, direction, size, pool, flags)
1770 void *addr;
1771 int direction;
1772 size_t size;
1773 int pool, 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 int 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