xref: /netbsd-src/sys/dev/pci/yds.c (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: yds.c,v 1.50 2010/07/26 22:33:24 jym 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 1.50 2010/07/26 22:33:24 jym 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 <sys/bus.h>
67 #include <sys/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 static int	yds_match(device_t, cfdata_t, void *);
92 static void	yds_attach(device_t, device_t, void *);
93 static int	yds_intr(void *);
94 
95 #define DMAADDR(p)	((p)->map->dm_segs[0].ds_addr)
96 #define KERNADDR(p)	((void *)((p)->addr))
97 
98 static int	yds_allocmem(struct yds_softc *, size_t, size_t,
99 			     struct yds_dma *);
100 static int	yds_freemem(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 static uint16_t YREAD2(struct yds_softc *sc, bus_size_t r)
111 {
112 	DPRINTFN(5, (" YREAD2(0x%lX)\n", (unsigned long)r));
113 	return bus_space_read_2(sc->memt, sc->memh, r);
114 }
115 
116 static uint32_t YREAD4(struct yds_softc *sc, bus_size_t r)
117 {
118 	DPRINTFN(5, (" YREAD4(0x%lX)\n", (unsigned long)r));
119 	return bus_space_read_4(sc->memt, sc->memh, r);
120 }
121 
122 #ifdef notdef
123 static void YWRITE1(struct yds_softc *sc, bus_size_t r, uint8_t x)
124 {
125 	DPRINTFN(5, (" YWRITE1(0x%lX,0x%lX)\n", (unsigned long)r,
126 		     (unsigned long)x));
127 	bus_space_write_1(sc->memt, sc->memh, r, x);
128 }
129 #endif
130 
131 static void YWRITE2(struct yds_softc *sc, bus_size_t r, uint16_t x)
132 {
133 	DPRINTFN(5, (" YWRITE2(0x%lX,0x%lX)\n", (unsigned long)r,
134 		     (unsigned long)x));
135 	bus_space_write_2(sc->memt, sc->memh, r, x);
136 }
137 
138 static void YWRITE4(struct yds_softc *sc, bus_size_t r, uint32_t x)
139 {
140 	DPRINTFN(5, (" YWRITE4(0x%lX,0x%lX)\n", (unsigned long)r,
141 		     (unsigned long)x));
142 	bus_space_write_4(sc->memt, sc->memh, r, x);
143 }
144 #endif
145 
146 #define	YWRITEREGION4(sc, r, x, c)	\
147 	bus_space_write_region_4((sc)->memt, (sc)->memh, (r), (x), (c) / 4)
148 
149 CFATTACH_DECL_NEW(yds, sizeof(struct yds_softc),
150     yds_match, yds_attach, NULL, NULL);
151 
152 static int	yds_open(void *, int);
153 static void	yds_close(void *);
154 static int	yds_query_encoding(void *, struct audio_encoding *);
155 static int	yds_set_params(void *, int, int, audio_params_t *,
156 			       audio_params_t *, stream_filter_list_t *,
157 			       stream_filter_list_t *);
158 static int	yds_round_blocksize(void *, int, int, const audio_params_t *);
159 static int	yds_trigger_output(void *, void *, void *, int,
160 				   void (*)(void *), void *,
161 				   const audio_params_t *);
162 static int	yds_trigger_input(void *, void *, void *, int,
163 				  void (*)(void *), void *,
164 				  const audio_params_t *);
165 static int	yds_halt_output(void *);
166 static int	yds_halt_input(void *);
167 static int	yds_getdev(void *, struct audio_device *);
168 static int	yds_mixer_set_port(void *, mixer_ctrl_t *);
169 static int	yds_mixer_get_port(void *, mixer_ctrl_t *);
170 static void   *yds_malloc(void *, int, size_t, struct malloc_type *, int);
171 static void	yds_free(void *, void *, struct malloc_type *);
172 static size_t	yds_round_buffersize(void *, int, size_t);
173 static paddr_t yds_mappage(void *, void *, off_t, int);
174 static int	yds_get_props(void *);
175 static int	yds_query_devinfo(void *, mixer_devinfo_t *);
176 
177 static int     yds_attach_codec(void *, struct ac97_codec_if *);
178 static int	yds_read_codec(void *, uint8_t, uint16_t *);
179 static int	yds_write_codec(void *, uint8_t, uint16_t);
180 static int     yds_reset_codec(void *);
181 
182 static u_int	yds_get_dstype(int);
183 static int	yds_download_mcode(struct yds_softc *);
184 static int	yds_allocate_slots(struct yds_softc *);
185 static void	yds_configure_legacy(device_t);
186 static void	yds_enable_dsp(struct yds_softc *);
187 static int	yds_disable_dsp(struct yds_softc *);
188 static int	yds_ready_codec(struct yds_codec_softc *);
189 static int	yds_halt(struct yds_softc *);
190 static uint32_t yds_get_lpfq(u_int);
191 static uint32_t yds_get_lpfk(u_int);
192 static struct yds_dma *yds_find_dma(struct yds_softc *, void *);
193 
194 static int	yds_init(struct yds_softc *);
195 
196 #ifdef AUDIO_DEBUG
197 static void	yds_dump_play_slot(struct yds_softc *, int);
198 #define	YDS_DUMP_PLAY_SLOT(n, sc, bank) \
199 	if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
200 #else
201 #define	YDS_DUMP_PLAY_SLOT(n, sc, bank)
202 #endif /* AUDIO_DEBUG */
203 
204 static const struct audio_hw_if yds_hw_if = {
205 	yds_open,
206 	yds_close,
207 	NULL,
208 	yds_query_encoding,
209 	yds_set_params,
210 	yds_round_blocksize,
211 	NULL,
212 	NULL,
213 	NULL,
214 	NULL,
215 	NULL,
216 	yds_halt_output,
217 	yds_halt_input,
218 	NULL,
219 	yds_getdev,
220 	NULL,
221 	yds_mixer_set_port,
222 	yds_mixer_get_port,
223 	yds_query_devinfo,
224 	yds_malloc,
225 	yds_free,
226 	yds_round_buffersize,
227 	yds_mappage,
228 	yds_get_props,
229 	yds_trigger_output,
230 	yds_trigger_input,
231 	NULL,
232 	NULL,	/* powerstate */
233 };
234 
235 static const struct audio_device yds_device = {
236 	"Yamaha DS-1",
237 	"",
238 	"yds"
239 };
240 
241 static const struct {
242 	uint	id;
243 	u_int	flags;
244 #define YDS_CAP_MCODE_1			0x0001
245 #define YDS_CAP_MCODE_1E		0x0002
246 #define YDS_CAP_LEGACY_SELECTABLE	0x0004
247 #define YDS_CAP_LEGACY_FLEXIBLE		0x0008
248 #define YDS_CAP_HAS_P44			0x0010
249 } yds_chip_capabliity_list[] = {
250 	{ PCI_PRODUCT_YAMAHA_YMF724,
251 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
252 	/* 740[C] has only 32 slots.  But anyway we use only 2 */
253 	{ PCI_PRODUCT_YAMAHA_YMF740,
254 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },	/* XXX NOT TESTED */
255 	{ PCI_PRODUCT_YAMAHA_YMF740C,
256 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
257 	{ PCI_PRODUCT_YAMAHA_YMF724F,
258 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
259 	{ PCI_PRODUCT_YAMAHA_YMF744B,
260 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
261 	{ PCI_PRODUCT_YAMAHA_YMF754,
262 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
263 	{ 0, 0 }
264 };
265 #ifdef AUDIO_DEBUG
266 #define YDS_CAP_BITS	"\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
267 #endif
268 
269 static const struct audio_format yds_formats[] = {
270 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
271 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
272 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
273 	 2, AUFMT_STEREO, 0, {4000, 48000}},
274 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
275 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
276 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
277 	 2, AUFMT_STEREO, 0, {4000, 48000}},
278 };
279 #define	YDS_NFORMATS	(sizeof(yds_formats) / sizeof(struct audio_format))
280 
281 #ifdef AUDIO_DEBUG
282 static void
283 yds_dump_play_slot(struct yds_softc *sc, int bank)
284 {
285 	int i, j;
286 	uint32_t *p;
287 	uint32_t num;
288 	bus_addr_t pa;
289 
290 	for (i = 0; i < N_PLAY_SLOTS; i++) {
291 		printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
292 		printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
293 	}
294 
295 	pa = DMAADDR(&sc->sc_ctrldata) + sc->pbankoff;
296 	p = sc->ptbl;
297 	printf("ptbl + 0: %d\n", *p++);
298 	for (i = 0; i < N_PLAY_SLOTS; i++) {
299 		printf("ptbl + %d: %#x, should be %#" PRIxPADDR "\n",
300 		       i+1, *p,
301 		       pa + i * sizeof(struct play_slot_ctrl_bank) *
302 				N_PLAY_SLOT_CTRL_BANK);
303 		p++;
304 	}
305 
306 	num = le32toh(*(uint32_t*)sc->ptbl);
307 	printf("numofplay = %d\n", num);
308 
309 	for (i = 0; i < num; i++) {
310 		p = (uint32_t *)sc->pbankp[i*2];
311 
312 		printf("  pbankp[%d], bank 0 : %p\n", i*2, p);
313 		for (j = 0;
314 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(uint32_t);
315 		     j++) {
316 			printf("    0x%02x: 0x%08x\n",
317 			       (unsigned)(j * sizeof(uint32_t)),
318 			       (unsigned)*p++);
319 		}
320 
321 		p = (uint32_t *)sc->pbankp[i*2 + 1];
322 		printf("  pbankp[%d], bank 1 : %p\n", i*2 + 1, p);
323 		for (j = 0;
324 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(uint32_t);
325 		     j++) {
326 			printf("    0x%02x: 0x%08x\n",
327 			       (unsigned)(j * sizeof(uint32_t)),
328 			       (unsigned)*p++);
329 		}
330 	}
331 }
332 #endif /* AUDIO_DEBUG */
333 
334 static u_int
335 yds_get_dstype(int id)
336 {
337 	int i;
338 
339 	for (i = 0; yds_chip_capabliity_list[i].id; i++) {
340 		if (PCI_PRODUCT(id) == yds_chip_capabliity_list[i].id)
341 			return yds_chip_capabliity_list[i].flags;
342 	}
343 
344 	return -1;
345 }
346 
347 static int
348 yds_download_mcode(struct yds_softc *sc)
349 {
350 	static struct {
351 		const uint32_t *mcode;
352 		size_t size;
353 	} ctrls[] = {
354 		{yds_ds1_ctrl_mcode, sizeof(yds_ds1_ctrl_mcode)},
355 		{yds_ds1e_ctrl_mcode, sizeof(yds_ds1e_ctrl_mcode)},
356 	};
357 	u_int ctrl;
358 	const uint32_t *p;
359 	size_t size;
360 	int dstype;
361 
362 	if (sc->sc_flags & YDS_CAP_MCODE_1)
363 		dstype = YDS_DS_1;
364 	else if (sc->sc_flags & YDS_CAP_MCODE_1E)
365 		dstype = YDS_DS_1E;
366 	else
367 		return 1;	/* unknown */
368 
369 	if (yds_disable_dsp(sc))
370 		return 1;
371 
372 	/* Software reset */
373 	YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
374 	YWRITE4(sc, YDS_MODE, 0);
375 
376 	YWRITE4(sc, YDS_MAPOF_REC, 0);
377 	YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
378 	YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
379 	YWRITE4(sc, YDS_REC_CTRLBASE, 0);
380 	YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
381 	YWRITE4(sc, YDS_WORK_BASE, 0);
382 
383 	ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
384 	YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
385 
386 	/* Download DSP microcode. */
387 	p = yds_dsp_mcode;
388 	size = sizeof(yds_dsp_mcode);
389 	YWRITEREGION4(sc, YDS_DSP_INSTRAM, p, size);
390 
391 	/* Download CONTROL microcode. */
392 	p = ctrls[dstype].mcode;
393 	size = ctrls[dstype].size;
394 	YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
395 
396 	yds_enable_dsp(sc);
397 	delay(10 * 1000);		/* nessesary on my 724F (??) */
398 
399 	return 0;
400 }
401 
402 static int
403 yds_allocate_slots(struct yds_softc *sc)
404 {
405 	size_t pcs, rcs, ecs, ws, memsize;
406 	void *mp;
407 	uint32_t da;		/* DMA address */
408 	char *va;		/* KVA */
409 	off_t cb;
410 	int i;
411 	struct yds_dma *p;
412 
413 	/* Alloc DSP Control Data */
414 	pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(uint32_t);
415 	rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(uint32_t);
416 	ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(uint32_t);
417 	ws = WORK_SIZE;
418 	YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(uint32_t));
419 
420 	DPRINTF(("play control size : %d\n", (unsigned int)pcs));
421 	DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
422 	DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
423 	DPRINTF(("work size : %d\n", (unsigned int)ws));
424 #ifdef DIAGNOSTIC
425 	if (pcs != sizeof(struct play_slot_ctrl_bank)) {
426 		aprint_error_dev(sc->sc_dev, "invalid play slot ctrldata %d != %d\n",
427 		       (unsigned int)pcs,
428 		       (unsigned int)sizeof(struct play_slot_ctrl_bank));
429 	if (rcs != sizeof(struct rec_slot_ctrl_bank))
430 		aprint_error_dev(sc->sc_dev, "invalid rec slot ctrldata %d != %d\n",
431 		       (unsigned int)rcs,
432 		       (unsigned int)sizeof(struct rec_slot_ctrl_bank));
433 	}
434 #endif
435 
436 	memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
437 		  N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
438 	memsize += (N_PLAY_SLOTS+1)*sizeof(uint32_t);
439 
440 	p = &sc->sc_ctrldata;
441 	if (KERNADDR(p) == NULL) {
442 		i = yds_allocmem(sc, memsize, 16, p);
443 		if (i) {
444 			aprint_error_dev(sc->sc_dev, "couldn't alloc/map DSP DMA buffer, reason %d\n", i);
445 			free(p, M_DEVBUF);
446 			return 1;
447 		}
448 	}
449 	mp = KERNADDR(p);
450 	da = DMAADDR(p);
451 
452 	DPRINTF(("mp:%p, DMA addr:%#" PRIxPADDR "\n",
453 		 mp, sc->sc_ctrldata.map->dm_segs[0].ds_addr));
454 
455 	memset(mp, 0, memsize);
456 
457 	/* Work space */
458 	cb = 0;
459 	va = (uint8_t *)mp;
460 	YWRITE4(sc, YDS_WORK_BASE, da + cb);
461 	cb += ws;
462 
463 	/* Play control data table */
464 	sc->ptbl = (uint32_t *)(va + cb);
465 	sc->ptbloff = cb;
466 	YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
467 	cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(uint32_t);
468 
469 	/* Record slot control data */
470 	sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
471 	YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
472 	sc->rbankoff = cb;
473 	cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
474 
475 #if 0
476 	/* Effect slot control data -- unused */
477 	YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
478 	cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
479 #endif
480 
481 	/* Play slot control data */
482 	sc->pbankoff = cb;
483 	for (i=0; i < N_PLAY_SLOT_CTRL; i++) {
484 		sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
485 		*(sc->ptbl + i+1) = htole32(da + cb);
486 		cb += pcs;
487 
488 		sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
489 		cb += pcs;
490 	}
491 	/* Sync play control data table */
492 	bus_dmamap_sync(sc->sc_dmatag, p->map,
493 			sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(uint32_t),
494 			BUS_DMASYNC_PREWRITE);
495 
496 	return 0;
497 }
498 
499 static void
500 yds_enable_dsp(struct yds_softc *sc)
501 {
502 
503 	YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
504 }
505 
506 static int
507 yds_disable_dsp(struct yds_softc *sc)
508 {
509 	int to;
510 	uint32_t data;
511 
512 	data = YREAD4(sc, YDS_CONFIG);
513 	if (data)
514 		YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
515 
516 	for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
517 		if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
518 			return 0;
519 		delay(1);
520 	}
521 
522 	return 1;
523 }
524 
525 static int
526 yds_match(device_t parent, cfdata_t match, void *aux)
527 {
528 	struct pci_attach_args *pa;
529 
530 	pa = (struct pci_attach_args *)aux;
531 	switch (PCI_VENDOR(pa->pa_id)) {
532 	case PCI_VENDOR_YAMAHA:
533 		switch (PCI_PRODUCT(pa->pa_id)) {
534 		case PCI_PRODUCT_YAMAHA_YMF724:
535 		case PCI_PRODUCT_YAMAHA_YMF740:
536 		case PCI_PRODUCT_YAMAHA_YMF740C:
537 		case PCI_PRODUCT_YAMAHA_YMF724F:
538 		case PCI_PRODUCT_YAMAHA_YMF744B:
539 		case PCI_PRODUCT_YAMAHA_YMF754:
540 			return 1;
541 		}
542 		break;
543 	}
544 
545 	return 0;
546 }
547 
548 /*
549  * This routine is called after all the ISA devices are configured,
550  * to avoid conflict.
551  */
552 static void
553 yds_configure_legacy(device_t self)
554 #define FLEXIBLE	(sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
555 #define SELECTABLE	(sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
556 {
557 	static const bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
558 	static const bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
559 	struct yds_softc *sc;
560 	pcireg_t reg;
561 	device_t dev;
562 	int i;
563 
564 	sc = device_private(self);
565 	if (!FLEXIBLE && !SELECTABLE)
566 		return;
567 
568 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
569 	reg &= ~0x8133c03f;	/* these bits are out of interest */
570 	reg |= ((YDS_PCI_EX_LEGACY_IMOD) |
571 		(YDS_PCI_LEGACY_FMEN |
572 		 YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/));
573 	reg |= YDS_PCI_EX_LEGACY_SMOD_DISABLE;
574 	if (FLEXIBLE) {
575 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
576 		delay(100*1000);
577 	}
578 
579 	/* Look for OPL */
580 	dev = 0;
581 	for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
582 		if (SELECTABLE) {
583 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
584 				       YDS_PCI_LEGACY, reg | (i << (0+16)));
585 			delay(100*1000);	/* wait 100ms */
586 		} else
587 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
588 				       YDS_PCI_FM_BA, opl_addrs[i]);
589 		if (bus_space_map(sc->sc_opl_iot,
590 				  opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
591 			struct audio_attach_args aa;
592 
593 			aa.type = AUDIODEV_TYPE_OPL;
594 			aa.hwif = aa.hdl = NULL;
595 			dev = config_found(self, &aa, audioprint);
596 			if (dev == 0)
597 				bus_space_unmap(sc->sc_opl_iot,
598 						sc->sc_opl_ioh, 4);
599 			else {
600 				if (SELECTABLE)
601 					reg |= (i << (0+16));
602 				break;
603 			}
604 		}
605 	}
606 	if (dev == 0) {
607 		reg &= ~YDS_PCI_LEGACY_FMEN;
608 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
609 			       YDS_PCI_LEGACY, reg);
610 	} else {
611 		/* Max. volume */
612 		YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
613 		YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
614 	}
615 
616 	/* Look for MPU */
617 	dev = NULL;
618 	for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
619 		if (SELECTABLE)
620 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
621 				       YDS_PCI_LEGACY, reg | (i << (4+16)));
622 		else
623 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
624 				       YDS_PCI_MPU_BA, mpu_addrs[i]);
625 		if (bus_space_map(sc->sc_mpu_iot,
626 				  mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
627 			struct audio_attach_args aa;
628 
629 			aa.type = AUDIODEV_TYPE_MPU;
630 			aa.hwif = aa.hdl = NULL;
631 			dev = config_found(self, &aa, audioprint);
632 			if (dev == 0)
633 				bus_space_unmap(sc->sc_mpu_iot,
634 						sc->sc_mpu_ioh, 2);
635 			else {
636 				if (SELECTABLE)
637 					reg |= (i << (4+16));
638 				break;
639 			}
640 		}
641 	}
642 	if (dev == 0) {
643 		reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
644 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
645 	}
646 	sc->sc_mpu = dev;
647 }
648 #undef FLEXIBLE
649 #undef SELECTABLE
650 
651 static int
652 yds_init(struct yds_softc *sc)
653 {
654 	uint32_t reg;
655 
656 	DPRINTF(("yds_init()\n"));
657 
658 	/* Download microcode */
659 	if (yds_download_mcode(sc)) {
660 		aprint_error_dev(sc->sc_dev, "download microcode failed\n");
661 		return 1;
662 	}
663 
664 	/* Allocate DMA buffers */
665 	if (yds_allocate_slots(sc)) {
666 		aprint_error_dev(sc->sc_dev, "could not allocate slots\n");
667 		return 1;
668 	}
669 
670 	/* Warm reset */
671 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
672 	pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
673 		reg | YDS_DSCTRL_WRST);
674 	delay(50000);
675 
676 	return 0;
677 }
678 
679 static bool
680 yds_suspend(device_t dv, const pmf_qual_t *qual)
681 {
682 	struct yds_softc *sc = device_private(dv);
683 	pci_chipset_tag_t pc = sc->sc_pc;
684 	pcitag_t tag = sc->sc_pcitag;
685 
686 	sc->sc_dsctrl = pci_conf_read(pc, tag, YDS_PCI_DSCTRL);
687 	sc->sc_legacy = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
688 	sc->sc_ba[0] = pci_conf_read(pc, tag, YDS_PCI_FM_BA);
689 	sc->sc_ba[1] = pci_conf_read(pc, tag, YDS_PCI_MPU_BA);
690 
691 	return true;
692 }
693 
694 static bool
695 yds_resume(device_t dv, const pmf_qual_t *qual)
696 {
697 	struct yds_softc *sc = device_private(dv);
698 	pci_chipset_tag_t pc = sc->sc_pc;
699 	pcitag_t tag = sc->sc_pcitag;
700 	pcireg_t reg;
701 
702 	/* Disable legacy mode */
703 	reg = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
704 	pci_conf_write(pc, tag, YDS_PCI_LEGACY, reg & YDS_PCI_LEGACY_LAD);
705 
706 	/* Enable the device. */
707 	reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
708 	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
709 		PCI_COMMAND_MASTER_ENABLE);
710 	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, reg);
711 	reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
712 	if (yds_init(sc)) {
713 		aprint_error_dev(dv, "reinitialize failed\n");
714 		return false;
715 	}
716 
717 	pci_conf_write(pc, tag, YDS_PCI_DSCTRL, sc->sc_dsctrl);
718 	sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
719 
720 	return true;
721 }
722 
723 static void
724 yds_attach(device_t parent, device_t self, void *aux)
725 {
726 	struct yds_softc *sc;
727 	struct pci_attach_args *pa;
728 	pci_chipset_tag_t pc;
729 	char const *intrstr;
730 	pci_intr_handle_t ih;
731 	pcireg_t reg;
732 	struct yds_codec_softc *codec;
733 	char devinfo[256];
734 	int i, r, to;
735 	int revision;
736 	int ac97_id2;
737 
738 	sc = device_private(self);
739 	sc->sc_dev = self;
740 	pa = (struct pci_attach_args *)aux;
741 	pc = pa->pa_pc;
742 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
743 	revision = PCI_REVISION(pa->pa_class);
744 	printf(": %s (rev. 0x%02x)\n", devinfo, revision);
745 
746 	/* Map register to memory */
747 	if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
748 			   &sc->memt, &sc->memh, NULL, NULL)) {
749 		aprint_error_dev(self, "can't map memory space\n");
750 		return;
751 	}
752 
753 	/* Map and establish the interrupt. */
754 	if (pci_intr_map(pa, &ih)) {
755 		aprint_error_dev(self, "couldn't map interrupt\n");
756 		return;
757 	}
758 	intrstr = pci_intr_string(pc, ih);
759 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
760 	if (sc->sc_ih == NULL) {
761 		aprint_error_dev(self, "couldn't establish interrupt");
762 		if (intrstr != NULL)
763 			aprint_error(" at %s", intrstr);
764 		aprint_error("\n");
765 		return;
766 	}
767 	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
768 
769 	sc->sc_dmatag = pa->pa_dmat;
770 	sc->sc_pc = pc;
771 	sc->sc_pcitag = pa->pa_tag;
772 	sc->sc_id = pa->pa_id;
773 	sc->sc_revision = revision;
774 	sc->sc_flags = yds_get_dstype(sc->sc_id);
775 #ifdef AUDIO_DEBUG
776 	if (ydsdebug) {
777 		char bits[80];
778 
779 		snprintb(bits, sizeof(bits), YDS_CAP_BITS, sc->sc_flags);
780 		printf("%s: chip has %s\n", device_xname(self), bits);
781 	}
782 #endif
783 
784 	/* Disable legacy mode */
785 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
786 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
787 		       reg & YDS_PCI_LEGACY_LAD);
788 
789 	/* Enable the device. */
790 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
791 	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
792 		PCI_COMMAND_MASTER_ENABLE);
793 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
794 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
795 
796 	/* Mute all volumes */
797 	for (i = 0x80; i < 0xc0; i += 2)
798 		YWRITE2(sc, i, 0);
799 
800 	/* Initialize the device */
801 	if (yds_init(sc)) {
802 		aprint_error_dev(self, "initialize failed\n");
803 		return;
804 	}
805 
806 	/*
807 	 * Detect primary/secondary AC97
808 	 *	YMF754 Hardware Specification Rev 1.01 page 24
809 	 */
810 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
811 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
812 	delay(400000);		/* Needed for 740C. */
813 
814 	/* Primary */
815 	for (to = 0; to < AC97_TIMEOUT; to++) {
816 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
817 			break;
818 		delay(1);
819 	}
820 	if (to == AC97_TIMEOUT) {
821 		aprint_error_dev(self, "no AC97 available\n");
822 		return;
823 	}
824 
825 	/* Secondary */
826 	/* Secondary AC97 is used for 4ch audio. Currently unused. */
827 	ac97_id2 = -1;
828 	if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
829 		goto detected;
830 #if 0				/* reset secondary... */
831 	YWRITE2(sc, YDS_GPIO_OCTRL,
832 		YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
833 	YWRITE2(sc, YDS_GPIO_FUNCE,
834 		(YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
835 #endif
836 	for (to = 0; to < AC97_TIMEOUT; to++) {
837 		if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
838 			break;
839 		delay(1);
840 	}
841 	if (to < AC97_TIMEOUT) {
842 		/* detect id */
843 		for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
844 			YWRITE2(sc, AC97_CMD_ADDR,
845 				AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
846 
847 			for (to = 0; to < AC97_TIMEOUT; to++) {
848 				if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
849 				    == 0)
850 					goto detected;
851 				delay(1);
852 			}
853 		}
854 		if (ac97_id2 == 4)
855 			ac97_id2 = -1;
856 detected:
857 		;
858 	}
859 
860 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
861 	delay (20);
862 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
863 	delay (400000);
864 	for (to = 0; to < AC97_TIMEOUT; to++) {
865 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
866 			break;
867 		delay(1);
868 	}
869 
870 	/*
871 	 * Attach ac97 codec
872 	 */
873 	for (i = 0; i < 2; i++) {
874 		static struct {
875 			int data;
876 			int addr;
877 		} statregs[] = {
878 			{AC97_STAT_DATA1, AC97_STAT_ADDR1},
879 			{AC97_STAT_DATA2, AC97_STAT_ADDR2},
880 		};
881 
882 		if (i == 1 && ac97_id2 == -1)
883 			break;		/* secondary ac97 not available */
884 
885 		codec = &sc->sc_codec[i];
886 		codec->sc = sc;
887 		codec->id = i == 1 ? ac97_id2 : 0;
888 		codec->status_data = statregs[i].data;
889 		codec->status_addr = statregs[i].addr;
890 		codec->host_if.arg = codec;
891 		codec->host_if.attach = yds_attach_codec;
892 		codec->host_if.read = yds_read_codec;
893 		codec->host_if.write = yds_write_codec;
894 		codec->host_if.reset = yds_reset_codec;
895 
896 		if ((r = ac97_attach(&codec->host_if, self)) != 0) {
897 			aprint_error_dev(self, "can't attach codec (error 0x%X)\n", r);
898 			return;
899 		}
900 	}
901 
902 	if (0 != auconv_create_encodings(yds_formats, YDS_NFORMATS,
903 					 &sc->sc_encodings))
904 		return;
905 
906 	audio_attach_mi(&yds_hw_if, sc, self);
907 
908 	sc->sc_legacy_iot = pa->pa_iot;
909 	config_defer(self, yds_configure_legacy);
910 
911 	if (!pmf_device_register(self, yds_suspend, yds_resume))
912 		aprint_error_dev(self, "couldn't establish power handler\n");
913 }
914 
915 static int
916 yds_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
917 {
918 	struct yds_codec_softc *sc;
919 
920 	sc = sc_;
921 	sc->codec_if = codec_if;
922 	return 0;
923 }
924 
925 static int
926 yds_ready_codec(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 static int
940 yds_read_codec(void *sc_, uint8_t reg, uint16_t *data)
941 {
942 	struct yds_codec_softc *sc;
943 
944 	sc = sc_;
945 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
946 
947 	if (yds_ready_codec(sc)) {
948 		aprint_error_dev(sc->sc->sc_dev, "yds_read_codec timeout\n");
949 		return EIO;
950 	}
951 
952 	if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
953 	    sc->sc->sc_revision < 2) {
954 		int i;
955 		for (i=0; i<600; i++)
956 			(void)YREAD2(sc->sc, sc->status_data);
957 	}
958 
959 	*data = YREAD2(sc->sc, sc->status_data);
960 
961 	return 0;
962 }
963 
964 static int
965 yds_write_codec(void *sc_, uint8_t reg, uint16_t data)
966 {
967 	struct yds_codec_softc *sc;
968 
969 	sc = sc_;
970 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
971 	YWRITE2(sc->sc, AC97_CMD_DATA, data);
972 
973 	if (yds_ready_codec(sc)) {
974 		aprint_error_dev(sc->sc->sc_dev, "yds_write_codec timeout\n");
975 		return EIO;
976 	}
977 
978 	return 0;
979 }
980 
981 /*
982  * XXX: Must handle the secondary differntly!!
983  */
984 static int
985 yds_reset_codec(void *sc_)
986 {
987 	struct yds_codec_softc *codec;
988 	struct yds_softc *sc;
989 	pcireg_t reg;
990 
991 	codec = sc_;
992 	sc = codec->sc;
993 	/* reset AC97 codec */
994 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
995 	if (reg & 0x03) {
996 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
997 			       YDS_PCI_DSCTRL, reg & ~0x03);
998 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
999 			       YDS_PCI_DSCTRL, reg | 0x03);
1000 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
1001 			       YDS_PCI_DSCTRL, reg & ~0x03);
1002 		delay(50000);
1003 	}
1004 
1005 	yds_ready_codec(sc_);
1006 	return 0;
1007 }
1008 
1009 static int
1010 yds_intr(void *p)
1011 {
1012 	struct yds_softc *sc = p;
1013 #if NMPU > 0
1014 	struct mpu_softc *sc_mpu = device_private(sc->sc_mpu);
1015 #endif
1016 	u_int status;
1017 
1018 	status = YREAD4(sc, YDS_STATUS);
1019 	DPRINTFN(1, ("yds_intr: status=%08x\n", status));
1020 	if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
1021 #if NMPU > 0
1022 		if (sc_mpu)
1023 			return mpu_intr(sc_mpu);
1024 #endif
1025 		return 0;
1026 	}
1027 
1028 	if (status & YDS_STAT_TINT) {
1029 		YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
1030 		printf ("yds_intr: timeout!\n");
1031 	}
1032 
1033 	if (status & YDS_STAT_INT) {
1034 		int nbank;
1035 
1036 		nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
1037 		/* Clear interrupt flag */
1038 		YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
1039 
1040 		/* Buffer for the next frame is always ready. */
1041 		YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
1042 
1043 		if (sc->sc_play.intr) {
1044 			u_int dma, ccpu, blk, len;
1045 
1046 			/* Sync play slot control data */
1047 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1048 					sc->pbankoff,
1049 					sizeof(struct play_slot_ctrl_bank)*
1050 					    le32toh(*sc->ptbl)*
1051 					    N_PLAY_SLOT_CTRL_BANK,
1052 					BUS_DMASYNC_POSTWRITE|
1053 					BUS_DMASYNC_POSTREAD);
1054 			dma = le32toh(sc->pbankp[nbank]->pgstart) * sc->sc_play.factor;
1055 			ccpu = sc->sc_play.offset;
1056 			blk = sc->sc_play.blksize;
1057 			len = sc->sc_play.length;
1058 
1059 			if (((dma > ccpu) && (dma - ccpu > blk * 2)) ||
1060 			    ((ccpu > dma) && (dma + len - ccpu > blk * 2))) {
1061 				/* We can fill the next block */
1062 				/* Sync ring buffer for previous write */
1063 				bus_dmamap_sync(sc->sc_dmatag,
1064 						sc->sc_play.dma->map,
1065 						ccpu, blk,
1066 						BUS_DMASYNC_POSTWRITE);
1067 				sc->sc_play.intr(sc->sc_play.intr_arg);
1068 				sc->sc_play.offset += blk;
1069 				if (sc->sc_play.offset >= len) {
1070 					sc->sc_play.offset -= len;
1071 #ifdef DIAGNOSTIC
1072 					if (sc->sc_play.offset != 0)
1073 						printf ("Audio ringbuffer botch\n");
1074 #endif
1075 				}
1076 				/* Sync ring buffer for next write */
1077 				bus_dmamap_sync(sc->sc_dmatag,
1078 						sc->sc_play.dma->map,
1079 						ccpu, blk,
1080 						BUS_DMASYNC_PREWRITE);
1081 			}
1082 		}
1083 		if (sc->sc_rec.intr) {
1084 			u_int dma, ccpu, blk, len;
1085 
1086 			/* Sync rec slot control data */
1087 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1088 					sc->rbankoff,
1089 					sizeof(struct rec_slot_ctrl_bank)*
1090 					    N_REC_SLOT_CTRL*
1091 					    N_REC_SLOT_CTRL_BANK,
1092 					BUS_DMASYNC_POSTWRITE|
1093 					BUS_DMASYNC_POSTREAD);
1094 			dma = le32toh(sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr);
1095 			ccpu = sc->sc_rec.offset;
1096 			blk = sc->sc_rec.blksize;
1097 			len = sc->sc_rec.length;
1098 
1099 			if (((dma > ccpu) && (dma - ccpu > blk * 2)) ||
1100 			    ((ccpu > dma) && (dma + len - ccpu > blk * 2))) {
1101 				/* We can drain the current block */
1102 				/* Sync ring buffer first */
1103 				bus_dmamap_sync(sc->sc_dmatag,
1104 						sc->sc_rec.dma->map,
1105 						ccpu, blk,
1106 						BUS_DMASYNC_POSTREAD);
1107 				sc->sc_rec.intr(sc->sc_rec.intr_arg);
1108 				sc->sc_rec.offset += blk;
1109 				if (sc->sc_rec.offset >= len) {
1110 					sc->sc_rec.offset -= len;
1111 #ifdef DIAGNOSTIC
1112 					if (sc->sc_rec.offset != 0)
1113 						printf ("Audio ringbuffer botch\n");
1114 #endif
1115 				}
1116 				/* Sync ring buffer for next read */
1117 				bus_dmamap_sync(sc->sc_dmatag,
1118 						sc->sc_rec.dma->map,
1119 						ccpu, blk,
1120 						BUS_DMASYNC_PREREAD);
1121 			}
1122 		}
1123 	}
1124 
1125 	return 1;
1126 }
1127 
1128 static int
1129 yds_allocmem(struct yds_softc *sc, size_t size, size_t align, struct yds_dma *p)
1130 {
1131 	int error;
1132 
1133 	p->size = size;
1134 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
1135 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1136 				 &p->nsegs, BUS_DMA_NOWAIT);
1137 	if (error)
1138 		return error;
1139 
1140 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
1141 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
1142 	if (error)
1143 		goto free;
1144 
1145 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
1146 				  0, BUS_DMA_NOWAIT, &p->map);
1147 	if (error)
1148 		goto unmap;
1149 
1150 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
1151 				BUS_DMA_NOWAIT);
1152 	if (error)
1153 		goto destroy;
1154 	return 0;
1155 
1156 destroy:
1157 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1158 unmap:
1159 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1160 free:
1161 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1162 	return error;
1163 }
1164 
1165 static int
1166 yds_freemem(struct yds_softc *sc, struct yds_dma *p)
1167 {
1168 
1169 	bus_dmamap_unload(sc->sc_dmatag, p->map);
1170 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1171 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1172 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1173 	return 0;
1174 }
1175 
1176 static int
1177 yds_open(void *addr, int flags)
1178 {
1179 	struct yds_softc *sc;
1180 	uint32_t mode;
1181 
1182 	sc = addr;
1183 	/* Select bank 0. */
1184 	YWRITE4(sc, YDS_CONTROL_SELECT, 0);
1185 
1186 	/* Start the DSP operation. */
1187 	mode = YREAD4(sc, YDS_MODE);
1188 	mode |= YDS_MODE_ACTV;
1189 	mode &= ~YDS_MODE_ACTV2;
1190 	YWRITE4(sc, YDS_MODE, mode);
1191 
1192 	return 0;
1193 }
1194 
1195 /*
1196  * Close function is called at splaudio().
1197  */
1198 static void
1199 yds_close(void *addr)
1200 {
1201 
1202 	yds_halt(addr);
1203 }
1204 
1205 static int
1206 yds_query_encoding(void *addr, struct audio_encoding *fp)
1207 {
1208 	struct yds_softc *sc;
1209 
1210 	sc = addr;
1211 	return auconv_query_encoding(sc->sc_encodings, fp);
1212 }
1213 
1214 static int
1215 yds_set_params(void *addr, int setmode, int usemode,
1216 	       audio_params_t *play, audio_params_t* rec,
1217 	       stream_filter_list_t *pfil, stream_filter_list_t *rfil)
1218 {
1219 	if (setmode & AUMODE_RECORD) {
1220 		if (auconv_set_converter(yds_formats, YDS_NFORMATS,
1221 					 AUMODE_RECORD, rec, FALSE, rfil) < 0)
1222 			return EINVAL;
1223 	}
1224 	if (setmode & AUMODE_PLAY) {
1225 		if (auconv_set_converter(yds_formats, YDS_NFORMATS,
1226 					 AUMODE_PLAY, play, FALSE, pfil) < 0)
1227 			return EINVAL;
1228 	}
1229 	return 0;
1230 }
1231 
1232 static int
1233 yds_round_blocksize(void *addr, int blk, int mode,
1234     const audio_params_t *param)
1235 {
1236 
1237 	/*
1238 	 * Block size must be bigger than a frame.
1239 	 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
1240 	 */
1241 	if (blk < 1024)
1242 		blk = 1024;
1243 
1244 	return blk & ~4;
1245 }
1246 
1247 static uint32_t
1248 yds_get_lpfq(u_int sample_rate)
1249 {
1250 	int i;
1251 	static struct lpfqt {
1252 		u_int rate;
1253 		uint32_t lpfq;
1254 	} lpfqt[] = {
1255 		{8000,  0x32020000},
1256 		{11025, 0x31770000},
1257 		{16000, 0x31390000},
1258 		{22050, 0x31c90000},
1259 		{32000, 0x33d00000},
1260 		{48000, 0x40000000},
1261 		{0, 0}
1262 	};
1263 
1264 	if (sample_rate == 44100)		/* for P44 slot? */
1265 		return 0x370A0000;
1266 
1267 	for (i = 0; lpfqt[i].rate != 0; i++)
1268 		if (sample_rate <= lpfqt[i].rate)
1269 			break;
1270 
1271 	return lpfqt[i].lpfq;
1272 }
1273 
1274 static uint32_t
1275 yds_get_lpfk(u_int sample_rate)
1276 {
1277 	int i;
1278 	static struct lpfkt {
1279 		u_int rate;
1280 		uint32_t lpfk;
1281 	} lpfkt[] = {
1282 		{8000,  0x18b20000},
1283 		{11025, 0x20930000},
1284 		{16000, 0x2b9a0000},
1285 		{22050, 0x35a10000},
1286 		{32000, 0x3eaa0000},
1287 		{48000, 0x40000000},
1288 		{0, 0}
1289 	};
1290 
1291 	if (sample_rate == 44100)		/* for P44 slot? */
1292 		return 0x46460000;
1293 
1294 	for (i = 0; lpfkt[i].rate != 0; i++)
1295 		if (sample_rate <= lpfkt[i].rate)
1296 			break;
1297 
1298 	return lpfkt[i].lpfk;
1299 }
1300 
1301 static int
1302 yds_trigger_output(void *addr, void *start, void *end, int blksize,
1303 		   void (*intr)(void *), void *arg, const audio_params_t *param)
1304 #define P44		(sc->sc_flags & YDS_CAP_HAS_P44)
1305 {
1306 	struct yds_softc *sc;
1307 	struct yds_dma *p;
1308 	struct play_slot_ctrl_bank *psb;
1309 	const u_int gain = 0x40000000;
1310 	bus_addr_t s;
1311 	size_t l;
1312 	int i;
1313 	int p44, channels;
1314 	uint32_t format;
1315 
1316 	sc = addr;
1317 #ifdef DIAGNOSTIC
1318 	if (sc->sc_play.intr)
1319 		panic("yds_trigger_output: already running");
1320 #endif
1321 
1322 	sc->sc_play.intr = intr;
1323 	sc->sc_play.intr_arg = arg;
1324 	sc->sc_play.offset = 0;
1325 	sc->sc_play.blksize = blksize;
1326 
1327 	DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
1328 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1329 
1330 	p = yds_find_dma(sc, start);
1331 	if (!p) {
1332 		printf("yds_trigger_output: bad addr %p\n", start);
1333 		return EINVAL;
1334 	}
1335 	sc->sc_play.dma = p;
1336 
1337 #ifdef YDS_USE_P44
1338 	/* The document says the P44 SRC supports only stereo, 16bit PCM. */
1339 	if (P44)
1340 		p44 = ((param->sample_rate == 44100) &&
1341 		       (param->channels == 2) &&
1342 		       (param->precision == 16));
1343 	else
1344 #endif
1345 		p44 = 0;
1346 	channels = p44 ? 1 : param->channels;
1347 
1348 	s = DMAADDR(p);
1349 	l = ((char *)end - (char *)start);
1350 	sc->sc_play.length = l;
1351 
1352 	*sc->ptbl = htole32(channels);	/* Num of play */
1353 
1354 	sc->sc_play.factor = 1;
1355 	if (param->channels == 2)
1356 		sc->sc_play.factor *= 2;
1357 	if (param->precision != 8)
1358 		sc->sc_play.factor *= 2;
1359 	l /= sc->sc_play.factor;
1360 
1361 	format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
1362 		  (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
1363 		  (p44 ? PSLT_FORMAT_SRC441 : 0));
1364 
1365 	psb = sc->pbankp[0];
1366 	memset(psb, 0, sizeof(*psb));
1367 	psb->format = htole32(format);
1368 	psb->pgbase = htole32(s);
1369 	psb->pgloopend = htole32(l);
1370 	if (!p44) {
1371 		psb->pgdeltaend = htole32((param->sample_rate * 65536 / 48000) << 12);
1372 		psb->lpfkend = htole32(yds_get_lpfk(param->sample_rate));
1373 		psb->eggainend = htole32(gain);
1374 		psb->lpfq = htole32(yds_get_lpfq(param->sample_rate));
1375 		psb->pgdelta = htole32(psb->pgdeltaend);
1376 		psb->lpfk = htole32(yds_get_lpfk(param->sample_rate));
1377 		psb->eggain = htole32(gain);
1378 	}
1379 
1380 	for (i = 0; i < channels; i++) {
1381 		/* i == 0: left or mono, i == 1: right */
1382 		psb = sc->pbankp[i*2];
1383 		if (i)
1384 			/* copy from left */
1385 			*psb = *(sc->pbankp[0]);
1386 		if (channels == 2) {
1387 			/* stereo */
1388 			if (i == 0) {
1389 				psb->lchgain = psb->lchgainend = htole32(gain);
1390 			} else {
1391 				psb->lchgain = psb->lchgainend = 0;
1392 				psb->rchgain = psb->rchgainend = htole32(gain);
1393 				psb->format |= htole32(PSLT_FORMAT_RCH);
1394 			}
1395 		} else if (!p44) {
1396 			/* mono */
1397 			psb->lchgain = psb->rchgain = htole32(gain);
1398 			psb->lchgainend = psb->rchgainend = htole32(gain);
1399 		}
1400 		/* copy to the other bank */
1401 		*(sc->pbankp[i*2+1]) = *psb;
1402 	}
1403 
1404 	YDS_DUMP_PLAY_SLOT(5, sc, 0);
1405 	YDS_DUMP_PLAY_SLOT(5, sc, 1);
1406 
1407 	if (p44)
1408 		YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
1409 	else
1410 		YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
1411 
1412 	/* Now the play slot for the next frame is set up!! */
1413 	/* Sync play slot control data for both directions */
1414 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1415 			sc->ptbloff,
1416 			sizeof(struct play_slot_ctrl_bank) *
1417 			    channels * N_PLAY_SLOT_CTRL_BANK,
1418 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1419 	/* Sync ring buffer */
1420 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1421 			BUS_DMASYNC_PREWRITE);
1422 	/* HERE WE GO!! */
1423 	YWRITE4(sc, YDS_MODE,
1424 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1425 
1426 	return 0;
1427 }
1428 #undef P44
1429 
1430 static int
1431 yds_trigger_input(void *addr, void *start, void *end, int blksize,
1432 		  void (*intr)(void *), void *arg, const audio_params_t *param)
1433 {
1434 	struct yds_softc *sc;
1435 	struct yds_dma *p;
1436 	u_int srate, format;
1437 	struct rec_slot_ctrl_bank *rsb;
1438 	bus_addr_t s;
1439 	size_t l;
1440 
1441 	sc = addr;
1442 #ifdef DIAGNOSTIC
1443 	if (sc->sc_rec.intr)
1444 		panic("yds_trigger_input: already running");
1445 #endif
1446 	sc->sc_rec.intr = intr;
1447 	sc->sc_rec.intr_arg = arg;
1448 	sc->sc_rec.offset = 0;
1449 	sc->sc_rec.blksize = blksize;
1450 
1451 	DPRINTFN(1, ("yds_trigger_input: "
1452 	    "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1453 	    addr, start, end, blksize, intr, arg));
1454 	DPRINTFN(1, (" parameters: rate=%u, precision=%u, channels=%u\n",
1455 	    param->sample_rate, param->precision, param->channels));
1456 
1457 	p = yds_find_dma(sc, start);
1458 	if (!p) {
1459 		printf("yds_trigger_input: bad addr %p\n", start);
1460 		return EINVAL;
1461 	}
1462 	sc->sc_rec.dma = p;
1463 
1464 	s = DMAADDR(p);
1465 	l = ((char *)end - (char *)start);
1466 	sc->sc_rec.length = l;
1467 
1468 	sc->sc_rec.factor = 1;
1469 	if (param->channels == 2)
1470 		sc->sc_rec.factor *= 2;
1471 	if (param->precision != 8)
1472 		sc->sc_rec.factor *= 2;
1473 
1474 	rsb = &sc->rbank[0];
1475 	memset(rsb, 0, sizeof(*rsb));
1476 	rsb->pgbase = htole32(s);
1477 	rsb->pgloopendadr = htole32(l);
1478 	/* Seems all 4 banks must be set up... */
1479 	sc->rbank[1] = *rsb;
1480 	sc->rbank[2] = *rsb;
1481 	sc->rbank[3] = *rsb;
1482 
1483 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
1484 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
1485 	srate = 48000 * 4096 / param->sample_rate - 1;
1486 	format = ((param->precision == 8 ? YDS_FORMAT_8BIT : 0) |
1487 		  (param->channels == 2 ? YDS_FORMAT_STEREO : 0));
1488 	DPRINTF(("srate=%d, format=%08x\n", srate, format));
1489 #ifdef YDS_USE_REC_SLOT
1490 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
1491 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
1492 	YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
1493 	YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
1494 	YWRITE4(sc, YDS_REC_FORMAT, format);
1495 #else
1496 	YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
1497 	YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
1498 	YWRITE4(sc, YDS_ADC_FORMAT, format);
1499 #endif
1500 	/* Now the rec slot for the next frame is set up!! */
1501 	/* Sync record slot control data */
1502 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1503 			sc->rbankoff,
1504 			sizeof(struct rec_slot_ctrl_bank)*
1505 			    N_REC_SLOT_CTRL*
1506 			    N_REC_SLOT_CTRL_BANK,
1507 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1508 	/* Sync ring buffer */
1509 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1510 			BUS_DMASYNC_PREREAD);
1511 	/* HERE WE GO!! */
1512 	YWRITE4(sc, YDS_MODE,
1513 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1514 
1515 	return 0;
1516 }
1517 
1518 static int
1519 yds_halt(struct yds_softc *sc)
1520 {
1521 	uint32_t mode;
1522 
1523 	/* Stop the DSP operation. */
1524 	mode = YREAD4(sc, YDS_MODE);
1525 	YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
1526 
1527 	/* Paranoia...  mute all */
1528 	YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
1529 	YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
1530 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
1531 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
1532 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
1533 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
1534 
1535 	return 0;
1536 }
1537 
1538 static int
1539 yds_halt_output(void *addr)
1540 {
1541 	struct yds_softc *sc;
1542 
1543 	DPRINTF(("yds: yds_halt_output\n"));
1544 	sc = addr;
1545 	if (sc->sc_play.intr) {
1546 		sc->sc_play.intr = 0;
1547 		/* Sync play slot control data */
1548 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1549 				sc->pbankoff,
1550 				sizeof(struct play_slot_ctrl_bank)*
1551 				    (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
1552 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1553 		/* Stop the play slot operation */
1554 		sc->pbankp[0]->status =
1555 		sc->pbankp[1]->status =
1556 		sc->pbankp[2]->status =
1557 		sc->pbankp[3]->status = 1;
1558 		/* Sync ring buffer */
1559 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
1560 				0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
1561 	}
1562 
1563 	return 0;
1564 }
1565 
1566 static int
1567 yds_halt_input(void *addr)
1568 {
1569 	struct yds_softc *sc;
1570 
1571 	DPRINTF(("yds: yds_halt_input\n"));
1572 	sc = addr;
1573 	sc->sc_rec.intr = NULL;
1574 	if (sc->sc_rec.intr) {
1575 		/* Stop the rec slot operation */
1576 		YWRITE4(sc, YDS_MAPOF_REC, 0);
1577 		sc->sc_rec.intr = 0;
1578 		/* Sync rec slot control data */
1579 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1580 				sc->rbankoff,
1581 				sizeof(struct rec_slot_ctrl_bank)*
1582 				    N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
1583 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1584 		/* Sync ring buffer */
1585 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
1586 				0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
1587 	}
1588 
1589 	return 0;
1590 }
1591 
1592 static int
1593 yds_getdev(void *addr, struct audio_device *retp)
1594 {
1595 
1596 	*retp = yds_device;
1597 	return 0;
1598 }
1599 
1600 static int
1601 yds_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1602 {
1603 	struct yds_softc *sc;
1604 
1605 	sc = addr;
1606 	return sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
1607 	    sc->sc_codec[0].codec_if, cp);
1608 }
1609 
1610 static int
1611 yds_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1612 {
1613 	struct yds_softc *sc;
1614 
1615 	sc = addr;
1616 	return sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
1617 	    sc->sc_codec[0].codec_if, cp);
1618 }
1619 
1620 static int
1621 yds_query_devinfo(void *addr, mixer_devinfo_t *dip)
1622 {
1623 	struct yds_softc *sc;
1624 
1625 	sc = addr;
1626 	return sc->sc_codec[0].codec_if->vtbl->query_devinfo(
1627 	    sc->sc_codec[0].codec_if, dip);
1628 }
1629 
1630 static void *
1631 yds_malloc(void *addr, int direction, size_t size,
1632 	   struct malloc_type *pool, int flags)
1633 {
1634 	struct yds_softc *sc;
1635 	struct yds_dma *p;
1636 	int error;
1637 
1638 	p = malloc(sizeof(*p), pool, flags);
1639 	if (p == NULL)
1640 		return NULL;
1641 	sc = addr;
1642 	error = yds_allocmem(sc, size, 16, p);
1643 	if (error) {
1644 		free(p, pool);
1645 		return NULL;
1646 	}
1647 	p->next = sc->sc_dmas;
1648 	sc->sc_dmas = p;
1649 	return KERNADDR(p);
1650 }
1651 
1652 static void
1653 yds_free(void *addr, void *ptr, struct malloc_type *pool)
1654 {
1655 	struct yds_softc *sc;
1656 	struct yds_dma **pp, *p;
1657 
1658 	sc = addr;
1659 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1660 		if (KERNADDR(p) == ptr) {
1661 			yds_freemem(sc, p);
1662 			*pp = p->next;
1663 			free(p, pool);
1664 			return;
1665 		}
1666 	}
1667 }
1668 
1669 static struct yds_dma *
1670 yds_find_dma(struct yds_softc *sc, void *addr)
1671 {
1672 	struct yds_dma *p;
1673 
1674 	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1675 		continue;
1676 
1677 	return p;
1678 }
1679 
1680 static size_t
1681 yds_round_buffersize(void *addr, int direction, size_t size)
1682 {
1683 
1684 	/*
1685 	 * Buffer size should be at least twice as bigger as a frame.
1686 	 */
1687 	if (size < 1024 * 3)
1688 		size = 1024 * 3;
1689 	return size;
1690 }
1691 
1692 static paddr_t
1693 yds_mappage(void *addr, void *mem, off_t off, int prot)
1694 {
1695 	struct yds_softc *sc;
1696 	struct yds_dma *p;
1697 
1698 	if (off < 0)
1699 		return -1;
1700 	sc = addr;
1701 	p = yds_find_dma(sc, mem);
1702 	if (p == NULL)
1703 		return -1;
1704 	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1705 	    off, prot, BUS_DMA_WAITOK);
1706 }
1707 
1708 static int
1709 yds_get_props(void *addr)
1710 {
1711 
1712 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1713 	    AUDIO_PROP_FULLDUPLEX;
1714 }
1715