xref: /netbsd-src/sys/dev/pci/yds.c (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: yds.c,v 1.6 2001/07/07 16:46:35 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 "mpu.h"
42 
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/kernel.h>
46 #include <sys/fcntl.h>
47 #include <sys/malloc.h>
48 #include <sys/device.h>
49 #include <sys/proc.h>
50 
51 #include <dev/pci/pcidevs.h>
52 #include <dev/pci/pcireg.h>
53 #include <dev/pci/pcivar.h>
54 
55 #include <sys/audioio.h>
56 #include <dev/audio_if.h>
57 #include <dev/mulaw.h>
58 #include <dev/auconv.h>
59 #include <dev/ic/ac97reg.h>
60 #include <dev/ic/ac97var.h>
61 #include <dev/ic/mpuvar.h>
62 
63 #include <machine/bus.h>
64 #include <machine/intr.h>
65 
66 #include <dev/microcode/yds/yds_hwmcode.h>
67 #include <dev/pci/ydsreg.h>
68 #include <dev/pci/ydsvar.h>
69 
70 /* Debug */
71 #undef YDS_USE_REC_SLOT
72 #define YDS_USE_P44
73 
74 #ifdef AUDIO_DEBUG
75 # define DPRINTF(x)	if (ydsdebug) printf x
76 # define DPRINTFN(n,x)	if (ydsdebug>(n)) printf x
77 int	ydsdebug = 0;
78 #else
79 # define DPRINTF(x)
80 # define DPRINTFN(n,x)
81 #endif
82 #ifdef YDS_USE_REC_SLOT
83 # define YDS_INPUT_SLOT 0	/* REC slot = ADC + loopbacks */
84 #else
85 # define YDS_INPUT_SLOT 1	/* ADC slot */
86 #endif
87 
88 int	yds_match __P((struct device *, struct cfdata *, void *));
89 void	yds_attach __P((struct device *, struct device *, void *));
90 int	yds_intr __P((void *));
91 
92 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
93 #define KERNADDR(p) ((void *)((p)->addr))
94 
95 int	yds_allocmem __P((struct yds_softc *, size_t, size_t,
96 			  struct yds_dma *));
97 int	yds_freemem __P((struct yds_softc *, struct yds_dma *));
98 
99 #ifndef AUDIO_DEBUG
100 #define YWRITE1(sc, r, x) bus_space_write_1((sc)->memt, (sc)->memh, (r), (x))
101 #define YWRITE2(sc, r, x) bus_space_write_2((sc)->memt, (sc)->memh, (r), (x))
102 #define YWRITE4(sc, r, x) bus_space_write_4((sc)->memt, (sc)->memh, (r), (x))
103 #define YREAD1(sc, r) bus_space_read_1((sc)->memt, (sc)->memh, (r))
104 #define YREAD2(sc, r) bus_space_read_2((sc)->memt, (sc)->memh, (r))
105 #define YREAD4(sc, r) bus_space_read_4((sc)->memt, (sc)->memh, (r))
106 #else
107 
108 u_int16_t YREAD2(struct yds_softc *sc,bus_size_t r);
109 u_int32_t YREAD4(struct yds_softc *sc,bus_size_t r);
110 void YWRITE1(struct yds_softc *sc,bus_size_t r,u_int8_t x);
111 void YWRITE2(struct yds_softc *sc,bus_size_t r,u_int16_t x);
112 void YWRITE4(struct yds_softc *sc,bus_size_t r,u_int32_t x);
113 
114 u_int16_t YREAD2(struct yds_softc *sc,bus_size_t r)
115 {
116   DPRINTFN(5, (" YREAD2(0x%lX)\n",(unsigned long)r));
117   return bus_space_read_2(sc->memt,sc->memh,r);
118 }
119 u_int32_t YREAD4(struct yds_softc *sc,bus_size_t r)
120 {
121   DPRINTFN(5, (" YREAD4(0x%lX)\n",(unsigned long)r));
122   return bus_space_read_4(sc->memt,sc->memh,r);
123 }
124 void YWRITE1(struct yds_softc *sc,bus_size_t r,u_int8_t x)
125 {
126   DPRINTFN(5, (" YWRITE1(0x%lX,0x%lX)\n",(unsigned long)r,(unsigned long)x));
127   bus_space_write_1(sc->memt,sc->memh,r,x);
128 }
129 void YWRITE2(struct yds_softc *sc,bus_size_t r,u_int16_t x)
130 {
131   DPRINTFN(5, (" YWRITE2(0x%lX,0x%lX)\n",(unsigned long)r,(unsigned long)x));
132   bus_space_write_2(sc->memt,sc->memh,r,x);
133 }
134 void YWRITE4(struct yds_softc *sc,bus_size_t r,u_int32_t x)
135 {
136   DPRINTFN(5, (" YWRITE4(0x%lX,0x%lX)\n",(unsigned long)r,(unsigned long)x));
137   bus_space_write_4(sc->memt,sc->memh,r,x);
138 }
139 #endif
140 
141 #define	YWRITEREGION4(sc, r, x, c)	\
142 	bus_space_write_region_4((sc)->memt, (sc)->memh, (r), (x), (c) / 4)
143 
144 struct cfattach yds_ca = {
145 	sizeof(struct yds_softc), yds_match, yds_attach
146 };
147 
148 int	yds_open __P((void *, int));
149 void	yds_close __P((void *));
150 int	yds_query_encoding __P((void *, struct audio_encoding *));
151 int	yds_set_params __P((void *, int, int,
152 			    struct audio_params *, struct audio_params *));
153 int	yds_round_blocksize __P((void *, int));
154 int	yds_trigger_output __P((void *, void *, void *, int, void (*)(void *),
155 				void *, struct audio_params *));
156 int	yds_trigger_input __P((void *, void *, void *, int, void (*)(void *),
157 			       void *, struct audio_params *));
158 int	yds_halt_output __P((void *));
159 int	yds_halt_input __P((void *));
160 int	yds_getdev __P((void *, struct audio_device *));
161 int	yds_mixer_set_port __P((void *, mixer_ctrl_t *));
162 int	yds_mixer_get_port __P((void *, mixer_ctrl_t *));
163 void   *yds_malloc __P((void *, int, size_t, int, int));
164 void	yds_free __P((void *, void *, int));
165 size_t	yds_round_buffersize __P((void *, int, size_t));
166 paddr_t yds_mappage __P((void *, void *, off_t, int));
167 int	yds_get_props __P((void *));
168 int	yds_query_devinfo __P((void *addr, mixer_devinfo_t *dip));
169 
170 int     yds_attach_codec __P((void *sc, struct ac97_codec_if *));
171 int	yds_read_codec __P((void *sc, u_int8_t a, u_int16_t *d));
172 int	yds_write_codec __P((void *sc, u_int8_t a, u_int16_t d));
173 void    yds_reset_codec __P((void *sc));
174 int     yds_get_portnum_by_name __P((struct yds_softc *, char *, char *,
175 				     char *));
176 
177 static u_int yds_get_dstype __P((int));
178 static int yds_download_mcode __P((struct yds_softc *));
179 static int yds_allocate_slots __P((struct yds_softc *));
180 static void yds_configure_legacy __P((struct device *arg));
181 static void yds_enable_dsp __P((struct yds_softc *));
182 static int yds_disable_dsp __P((struct yds_softc *));
183 static int yds_ready_codec __P((struct yds_codec_softc *));
184 static int yds_halt __P((struct yds_softc *));
185 static u_int32_t yds_get_lpfq __P((u_int));
186 static u_int32_t yds_get_lpfk __P((u_int));
187 static struct yds_dma *yds_find_dma __P((struct yds_softc *, void *));
188 
189 #ifdef AUDIO_DEBUG
190 static void yds_dump_play_slot __P((struct yds_softc *, int));
191 #define	YDS_DUMP_PLAY_SLOT(n,sc,bank) \
192 	if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
193 #else
194 #define	YDS_DUMP_PLAY_SLOT(n,sc,bank)
195 #endif /* AUDIO_DEBUG */
196 
197 static struct audio_hw_if yds_hw_if = {
198 	yds_open,
199 	yds_close,
200 	NULL,
201 	yds_query_encoding,
202 	yds_set_params,
203 	yds_round_blocksize,
204 	NULL,
205 	NULL,
206 	NULL,
207 	NULL,
208 	NULL,
209 	yds_halt_output,
210 	yds_halt_input,
211 	NULL,
212 	yds_getdev,
213 	NULL,
214 	yds_mixer_set_port,
215 	yds_mixer_get_port,
216 	yds_query_devinfo,
217 	yds_malloc,
218 	yds_free,
219 	yds_round_buffersize,
220 	yds_mappage,
221 	yds_get_props,
222 	yds_trigger_output,
223 	yds_trigger_input,
224 };
225 
226 struct audio_device yds_device = {
227 	"Yamaha DS-1",
228 	"",
229 	"yds"
230 };
231 
232 const static struct {
233 	u_int	id;
234 	u_int	flags;
235 #define YDS_CAP_MCODE_1			0x0001
236 #define YDS_CAP_MCODE_1E		0x0002
237 #define YDS_CAP_LEGACY_SELECTABLE	0x0004
238 #define YDS_CAP_LEGACY_FLEXIBLE		0x0008
239 #define YDS_CAP_HAS_P44			0x0010
240 } yds_chip_capabliity_list[] = {
241 	{ PCI_PRODUCT_YAMAHA_YMF724,
242 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
243 	/* 740[C] has only 32 slots.  But anyway we use only 2 */
244 	{ PCI_PRODUCT_YAMAHA_YMF740,
245 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },	/* XXX NOT TESTED */
246 	{ PCI_PRODUCT_YAMAHA_YMF740C,
247 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
248 	{ PCI_PRODUCT_YAMAHA_YMF724F,
249 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
250 	{ PCI_PRODUCT_YAMAHA_YMF744B,
251 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
252 	{ PCI_PRODUCT_YAMAHA_YMF754,
253 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
254 	{ 0, 0 }
255 };
256 #ifdef AUDIO_DEBUG
257 #define YDS_CAP_BITS	"\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
258 #endif
259 
260 #ifdef AUDIO_DEBUG
261 static void
262 yds_dump_play_slot(sc, bank)
263 	struct yds_softc *sc;
264 	int bank;
265 {
266 	int i, j;
267 	u_int32_t *p;
268 	u_int32_t num;
269 	char *pa;
270 
271 	for (i = 0; i < N_PLAY_SLOTS; i++) {
272 		printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
273 		printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
274 	}
275 
276 	pa = (char *)DMAADDR(&sc->sc_ctrldata) + sc->pbankoff;
277 	p = (u_int32_t *)sc->ptbl;
278 	printf("ptbl + 0: %d\n", *p++);
279 	for (i = 0; i < N_PLAY_SLOTS; i++) {
280 		printf("ptbl + %d: 0x%x, should be %p\n",
281 		       i+1, *p,
282 		       pa + i * sizeof(struct play_slot_ctrl_bank) *
283 			        N_PLAY_SLOT_CTRL_BANK);
284 		p++;
285 	}
286 
287 	num = *(u_int32_t*)sc->ptbl;
288 	printf("numofplay = %d\n", num);
289 
290 	for (i = 0; i < num; i++) {
291 		p = (u_int32_t *)sc->pbankp[i*2];
292 
293 		printf("  pbankp[%d], bank 0 : %p\n", i*2, p);
294 		for (j = 0;
295 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
296 		     j++) {
297 			printf("    0x%02x: 0x%08x\n",
298 			       (unsigned)(j * sizeof(u_int32_t)),
299 			       (unsigned)*p++);
300 		}
301 
302 		p = (u_int32_t *)sc->pbankp[i*2 + 1];
303 		printf("  pbankp[%d], bank 1 : %p\n", i*2 + 1, p);
304 		for (j = 0;
305 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
306 		     j++) {
307 			printf("    0x%02x: 0x%08x\n",
308 			       (unsigned)(j * sizeof(u_int32_t)),
309 			       (unsigned)*p++);
310 		}
311 	}
312 }
313 #endif /* AUDIO_DEBUG */
314 
315 static u_int
316 yds_get_dstype(id)
317 	int id;
318 {
319 	int i;
320 
321 	for (i = 0; yds_chip_capabliity_list[i].id; i++) {
322 		if (PCI_PRODUCT(id) == yds_chip_capabliity_list[i].id)
323 			return yds_chip_capabliity_list[i].flags;
324 	}
325 
326 	return -1;
327 }
328 
329 static int
330 yds_download_mcode(sc)
331 	struct yds_softc *sc;
332 {
333 	u_int ctrl;
334 	const u_int32_t *p;
335 	size_t size;
336 	int dstype;
337 
338 	static struct {
339 		const u_int32_t *mcode;
340 		size_t size;
341 	} ctrls[] = {
342 		{yds_ds1_ctrl_mcode, sizeof(yds_ds1_ctrl_mcode)},
343 		{yds_ds1e_ctrl_mcode, sizeof(yds_ds1e_ctrl_mcode)},
344 	};
345 
346 	if (sc->sc_flags & YDS_CAP_MCODE_1)
347 		dstype = YDS_DS_1;
348 	else if (sc->sc_flags & YDS_CAP_MCODE_1E)
349 		dstype = YDS_DS_1E;
350 	else
351 		return 1;	/* unknown */
352 
353 	if (yds_disable_dsp(sc))
354 		return 1;
355 
356 	/* Software reset */
357         YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
358         YWRITE4(sc, YDS_MODE, 0);
359 
360         YWRITE4(sc, YDS_MAPOF_REC, 0);
361         YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
362         YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
363         YWRITE4(sc, YDS_REC_CTRLBASE, 0);
364         YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
365         YWRITE4(sc, YDS_WORK_BASE, 0);
366 
367         ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
368         YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
369 
370 	/* Download DSP microcode. */
371 	p = yds_dsp_mcode;
372 	size = sizeof(yds_dsp_mcode);
373 	YWRITEREGION4(sc, YDS_DSP_INSTRAM, p, size);
374 
375 	/* Download CONTROL microcode. */
376 	p = ctrls[dstype].mcode;
377 	size = ctrls[dstype].size;
378 	YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
379 
380 	yds_enable_dsp(sc);
381 	delay(10 * 1000);		/* nessesary on my 724F (??) */
382 
383 	return 0;
384 }
385 
386 static int
387 yds_allocate_slots(sc)
388 	struct yds_softc *sc;
389 {
390 	size_t pcs, rcs, ecs, ws, memsize;
391 	void *mp;
392 	u_int32_t da;		/* DMA address */
393 	char *va;		/* KVA */
394 	off_t cb;
395 	int i;
396 	struct yds_dma *p;
397 
398 	/* Alloc DSP Control Data */
399 	pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(u_int32_t);
400 	rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(u_int32_t);
401 	ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(u_int32_t);
402 	ws = WORK_SIZE;
403 	YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(u_int32_t));
404 
405 	DPRINTF(("play control size : %d\n", (unsigned int)pcs));
406 	DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
407 	DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
408 	DPRINTF(("work size : %d\n", (unsigned int)ws));
409 #ifdef DIAGNOSTIC
410 	if (pcs != sizeof(struct play_slot_ctrl_bank)) {
411 		printf("%s: invalid play slot ctrldata %d != %d\n",
412 		       sc->sc_dev.dv_xname, (unsigned int)pcs,
413 		       (unsigned int)sizeof(struct play_slot_ctrl_bank));
414 	if (rcs != sizeof(struct rec_slot_ctrl_bank))
415 		printf("%s: invalid rec slot ctrldata %d != %d\n",
416 		       sc->sc_dev.dv_xname, (unsigned int)rcs,
417 		       (unsigned int)sizeof(struct rec_slot_ctrl_bank));
418 	}
419 #endif
420 
421 	memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
422 		  N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
423 	memsize += (N_PLAY_SLOTS+1)*sizeof(u_int32_t);
424 
425 	p = &sc->sc_ctrldata;
426 	i = yds_allocmem(sc, memsize, 16, p);
427 	if (i) {
428 		printf("%s: couldn't alloc/map DSP DMA buffer, reason %d\n",
429 		       sc->sc_dev.dv_xname, i);
430 		free(p, M_DEVBUF);
431 		return 1;
432 	}
433 	mp = KERNADDR(p);
434 	da = DMAADDR(p);
435 
436 	DPRINTF(("mp:%p, DMA addr:%p\n",
437 		 mp, (void *)sc->sc_ctrldata.map->dm_segs[0].ds_addr));
438 
439 	memset(mp, 0, memsize);
440 
441 	/* Work space */
442         cb = 0;
443 	va = (u_int8_t *)mp;
444 	YWRITE4(sc, YDS_WORK_BASE, da + cb);
445         cb += ws;
446 
447 	/* Play control data table */
448         sc->ptbl = (u_int32_t *)(va + cb);
449 	sc->ptbloff = cb;
450         YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
451         cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(u_int32_t);
452 
453 	/* Record slot control data */
454         sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
455         YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
456 	sc->rbankoff = cb;
457         cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
458 
459 #if 0
460 	/* Effect slot control data -- unused */
461         YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
462         cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
463 #endif
464 
465 	/* Play slot control data */
466         sc->pbankoff = cb;
467         for (i=0; i < N_PLAY_SLOT_CTRL; i++) {
468 		sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
469 		*(sc->ptbl + i+1) = da + cb;
470                 cb += pcs;
471 
472                 sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
473                 cb += pcs;
474         }
475 	/* Sync play control data table */
476 	bus_dmamap_sync(sc->sc_dmatag, p->map,
477 			sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(u_int32_t),
478 			BUS_DMASYNC_PREWRITE);
479 
480 	return 0;
481 }
482 
483 static void
484 yds_enable_dsp(sc)
485 	struct yds_softc *sc;
486 {
487 	YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
488 }
489 
490 static int
491 yds_disable_dsp(sc)
492 	struct yds_softc *sc;
493 {
494 	int to;
495 	u_int32_t data;
496 
497 	data = YREAD4(sc, YDS_CONFIG);
498 	if (data)
499 		YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
500 
501 	for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
502 		if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
503 			return 0;
504 		delay(1);
505 	}
506 
507 	return 1;
508 }
509 
510 int
511 yds_match(parent, match, aux)
512 	struct device *parent;
513 	struct cfdata *match;
514 	void *aux;
515 {
516 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
517 
518 	switch (PCI_VENDOR(pa->pa_id)) {
519 	case PCI_VENDOR_YAMAHA:
520 		switch (PCI_PRODUCT(pa->pa_id)) {
521 		case PCI_PRODUCT_YAMAHA_YMF724:
522 		case PCI_PRODUCT_YAMAHA_YMF740:
523 		case PCI_PRODUCT_YAMAHA_YMF740C:
524 		case PCI_PRODUCT_YAMAHA_YMF724F:
525 		case PCI_PRODUCT_YAMAHA_YMF744B:
526 		case PCI_PRODUCT_YAMAHA_YMF754:
527 			return (1);
528 		}
529 		break;
530 	}
531 
532 	return (0);
533 }
534 
535 /*
536  * This routine is called after all the ISA devices are configured,
537  * to avoid conflict.
538  */
539 static void
540 yds_configure_legacy (arg)
541 	struct device *arg;
542 #define FLEXIBLE	(sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
543 #define SELECTABLE	(sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
544 {
545 	struct yds_softc *sc = (struct yds_softc*) arg;
546 	pcireg_t reg;
547 	struct device *dev;
548 	int i;
549 	bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
550 	bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
551 
552 	if (!FLEXIBLE && !SELECTABLE)
553 		return;
554 
555 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
556 	reg &= ~0x8133c03f;	/* these bits are out of interest */
557 	reg |= ((YDS_PCI_EX_LEGACY_IMOD) |
558 		(YDS_PCI_LEGACY_FMEN |
559 		 YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/));
560 	if (FLEXIBLE) {
561 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
562 		delay(100*1000);
563 	}
564 
565 	/* Look for OPL */
566 	dev = 0;
567 	for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
568 		if (SELECTABLE) {
569 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
570 				       YDS_PCI_LEGACY, reg | (i << (0+16)));
571 			delay(100*1000);	/* wait 100ms */
572 		} else
573 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
574 				       YDS_PCI_FM_BA, opl_addrs[i]);
575 		if (bus_space_map(sc->sc_opl_iot,
576 				  opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
577 			struct audio_attach_args aa;
578 
579 			aa.type = AUDIODEV_TYPE_OPL;
580 			aa.hwif = aa.hdl = NULL;
581 			dev = config_found(&sc->sc_dev, &aa, audioprint);
582 			if (dev == 0)
583 				bus_space_unmap(sc->sc_opl_iot,
584 						sc->sc_opl_ioh, 4);
585 			else {
586 				if (SELECTABLE)
587 					reg |= (i << (0+16));
588 				break;
589 			}
590 		}
591 	}
592 	if (dev == 0) {
593 		reg &= ~YDS_PCI_LEGACY_FMEN;
594 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
595 			       YDS_PCI_LEGACY, reg);
596 	} else {
597 		/* Max. volume */
598 		YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
599 		YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
600 	}
601 
602 	/* Look for MPU */
603 	dev = 0;
604 	for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
605 		if (SELECTABLE)
606 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
607 				       YDS_PCI_LEGACY, reg | (i << (4+16)));
608 		else
609 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
610 				       YDS_PCI_MPU_BA, mpu_addrs[i]);
611 		if (bus_space_map(sc->sc_mpu_iot,
612 				  mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
613 			struct audio_attach_args aa;
614 
615 			aa.type = AUDIODEV_TYPE_MPU;
616 			aa.hwif = aa.hdl = NULL;
617 			dev = config_found(&sc->sc_dev, &aa, audioprint);
618 			if (dev == 0)
619 				bus_space_unmap(sc->sc_mpu_iot,
620 						sc->sc_mpu_ioh, 2);
621 			else {
622 				if (SELECTABLE)
623 					reg |= (i << (4+16));
624 				break;
625 			}
626 		}
627 	}
628 	if (dev == 0) {
629 		reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
630 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
631 	}
632 	sc->sc_mpu = dev;
633 }
634 #undef FLEXIBLE
635 #undef SELECTABLE
636 
637 void
638 yds_attach(parent, self, aux)
639 	struct device *parent;
640 	struct device *self;
641 	void *aux;
642 {
643 	struct yds_softc *sc = (struct yds_softc *)self;
644 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
645 	pci_chipset_tag_t pc = pa->pa_pc;
646 	char const *intrstr;
647 	pci_intr_handle_t ih;
648 	pcireg_t reg;
649 	struct yds_codec_softc *codec;
650 	char devinfo[256];
651 	mixer_ctrl_t ctl;
652 	int i, r, to;
653 	int revision;
654 	int ac97_id2;
655 
656 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
657 	revision = PCI_REVISION(pa->pa_class);
658 	printf(": %s (rev. 0x%02x)\n", devinfo, revision);
659 
660 	/* Map register to memory */
661 	if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
662 			   &sc->memt, &sc->memh, NULL, NULL)) {
663 		printf("%s: can't map memory space\n", sc->sc_dev.dv_xname);
664 		return;
665 	}
666 
667 	/* Map and establish the interrupt. */
668 	if (pci_intr_map(pa, &ih)) {
669 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
670 		return;
671 	}
672 	intrstr = pci_intr_string(pc, ih);
673 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
674 	if (sc->sc_ih == NULL) {
675 		printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
676 		if (intrstr != NULL)
677 			printf(" at %s", intrstr);
678 		printf("\n");
679 		return;
680 	}
681 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
682 
683 	sc->sc_dmatag = pa->pa_dmat;
684 	sc->sc_pc = pc;
685 	sc->sc_pcitag = pa->pa_tag;
686 	sc->sc_id = pa->pa_id;
687 	sc->sc_flags = yds_get_dstype(sc->sc_id);
688 #ifdef AUDIO_DEBUG
689 	if (ydsdebug) {
690 		char bits[80];
691 
692 		printf("%s: chip has %s\n", sc->sc_dev.dv_xname,
693 		       bitmask_snprintf(sc->sc_flags, YDS_CAP_BITS, bits,
694 					sizeof(bits)));
695 	}
696 #endif
697 
698 	/* Disable legacy mode */
699 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
700 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
701 		       reg & YDS_PCI_LEGACY_LAD);
702 
703 	/* Enable the device. */
704 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
705 	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
706 		PCI_COMMAND_MASTER_ENABLE);
707 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
708 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
709 
710 	/* Mute all volumes */
711 	for (i = 0x80; i < 0xc0; i += 2)
712 		YWRITE2(sc, i, 0);
713 
714 	/* Download microcode */
715 	if (yds_download_mcode(sc)) {
716 		printf("%s: download microcode failed\n", sc->sc_dev.dv_xname);
717 		return;
718 	}
719 	/* Allocate DMA buffers */
720 	if (yds_allocate_slots(sc)) {
721 		printf("%s: could not allocate slots\n", sc->sc_dev.dv_xname);
722 		return;
723 	}
724 
725 	/* Warm reset */
726 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
727 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_WRST);
728 	delay(50000);
729 
730 	/*
731 	 * Detect primary/secondary AC97
732 	 *	YMF754 Hardware Specification Rev 1.01 page 24
733 	 */
734 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
735 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
736 	delay(400000);		/* Needed for 740C. */
737 
738 	/* Primary */
739 	for (to = 0; to < AC97_TIMEOUT; to++) {
740 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
741 			break;
742 		delay(1);
743 	}
744 	if (to == AC97_TIMEOUT) {
745 		printf("%s: no AC97 avaliable\n", sc->sc_dev.dv_xname);
746 		return;
747 	}
748 
749 	/* Secondary */
750 	/* Secondary AC97 is used for 4ch audio. Currently unused. */
751 	ac97_id2 = -1;
752 	if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
753 		goto detected;
754 #if 0				/* reset secondary... */
755 	YWRITE2(sc, YDS_GPIO_OCTRL,
756 		YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
757 	YWRITE2(sc, YDS_GPIO_FUNCE,
758 		(YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
759 #endif
760 	for (to = 0; to < AC97_TIMEOUT; to++) {
761 		if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
762 			break;
763 		delay(1);
764 	}
765 	if (to < AC97_TIMEOUT) {
766 		/* detect id */
767 		for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
768 			YWRITE2(sc, AC97_CMD_ADDR,
769 				AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
770 
771 			for (to = 0; to < AC97_TIMEOUT; to++) {
772 				if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
773 				    == 0)
774 					goto detected;
775 				delay(1);
776 			}
777 		}
778 		if (ac97_id2 == 4)
779 			ac97_id2 = -1;
780 detected:
781 		;
782 	}
783 
784 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
785 	delay (20);
786 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
787 	delay (400000);
788 	for (to = 0; to < AC97_TIMEOUT; to++) {
789 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
790 			break;
791 		delay(1);
792 	}
793 
794 	/*
795 	 * Attach ac97 codec
796 	 */
797 	for (i = 0; i < 2; i++) {
798 		static struct {
799 			int data;
800 			int addr;
801 		} statregs[] = {
802 			{AC97_STAT_DATA1, AC97_STAT_ADDR1},
803 			{AC97_STAT_DATA2, AC97_STAT_ADDR2},
804 		};
805 
806 		if (i == 1 && ac97_id2 == -1)
807 			break;		/* secondary ac97 not available */
808 
809 		codec = &sc->sc_codec[i];
810 		memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
811 		codec->sc = sc;
812 		codec->id = i == 1 ? ac97_id2 : 0;
813 		codec->status_data = statregs[i].data;
814 		codec->status_addr = statregs[i].addr;
815 		codec->host_if.arg = codec;
816 		codec->host_if.attach = yds_attach_codec;
817 		codec->host_if.read = yds_read_codec;
818 		codec->host_if.write = yds_write_codec;
819 		codec->host_if.reset = yds_reset_codec;
820 
821 		if ((r = ac97_attach(&codec->host_if)) != 0) {
822 			printf("%s: can't attach codec (error 0x%X)\n",
823 			       sc->sc_dev.dv_xname, r);
824 			return;
825 		}
826 	}
827 
828 	/* Just enable the DAC and master volumes by default */
829 	ctl.type = AUDIO_MIXER_ENUM;
830 	ctl.un.ord = 0;  /* off */
831 	ctl.dev = yds_get_portnum_by_name(sc, AudioCoutputs,
832 					  AudioNmaster, AudioNmute);
833 	yds_mixer_set_port(sc, &ctl);
834 	ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
835 					  AudioNdac, AudioNmute);
836 	yds_mixer_set_port(sc, &ctl);
837 	ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
838 					  AudioNcd, AudioNmute);
839 	yds_mixer_set_port(sc, &ctl);
840 	ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
841 					  AudioNvolume, AudioNmute);
842 	yds_mixer_set_port(sc, &ctl);
843 
844 	ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
845 					  AudioNsource, NULL);
846 	ctl.type = AUDIO_MIXER_ENUM;
847 	ctl.un.ord = 0;
848 	yds_mixer_set_port(sc, &ctl);
849 
850 	/* Set a reasonable default volume */
851 	ctl.type = AUDIO_MIXER_VALUE;
852 	ctl.un.value.num_channels = 2;
853 	ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
854 	ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 127;
855 
856 	ctl.dev = sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
857 	    sc->sc_codec[0].codec_if, AudioCoutputs, AudioNmaster, NULL);
858 	yds_mixer_set_port(sc, &ctl);
859 
860 	audio_attach_mi(&yds_hw_if, sc, &sc->sc_dev);
861 
862 	sc->sc_legacy_iot = pa->pa_iot;
863 	config_defer((struct device*) sc, yds_configure_legacy);
864 }
865 
866 int
867 yds_attach_codec(sc_, codec_if)
868 	void *sc_;
869 	struct ac97_codec_if *codec_if;
870 {
871 	struct yds_codec_softc *sc = sc_;
872 
873 	sc->codec_if = codec_if;
874 	return 0;
875 }
876 
877 static int
878 yds_ready_codec(sc)
879 	struct yds_codec_softc *sc;
880 {
881 	int to;
882 
883 	for (to = 0; to < AC97_TIMEOUT; to++) {
884 		if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
885 			return 0;
886 		delay(1);
887 	}
888 
889 	return 1;
890 }
891 
892 int
893 yds_read_codec(sc_, reg, data)
894 	void *sc_;
895 	u_int8_t reg;
896 	u_int16_t *data;
897 {
898 	struct yds_codec_softc *sc = sc_;
899 
900 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
901 
902 	if (yds_ready_codec(sc)) {
903 		printf("%s: yds_read_codec timeout\n",
904 		       sc->sc->sc_dev.dv_xname);
905 		return EIO;
906 	}
907 
908 	*data = YREAD2(sc->sc, sc->status_data);
909 
910 	return 0;
911 }
912 
913 int
914 yds_write_codec(sc_, reg, data)
915 	void *sc_;
916 	u_int8_t reg;
917 	u_int16_t data;
918 {
919 	struct yds_codec_softc *sc = sc_;
920 
921 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
922 	YWRITE2(sc->sc, AC97_CMD_DATA, data);
923 
924 	if (yds_ready_codec(sc)) {
925 		printf("%s: yds_write_codec timeout\n",
926 			sc->sc->sc_dev.dv_xname);
927 		return EIO;
928 	}
929 
930 	return 0;
931 }
932 
933 /*
934  * XXX: Must handle the secondary differntly!!
935  */
936 void
937 yds_reset_codec(sc_)
938 	void *sc_;
939 {
940 	struct yds_codec_softc *codec = sc_;
941 	struct yds_softc *sc = codec->sc;
942 	pcireg_t reg;
943 
944 	/* reset AC97 codec */
945 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
946 	if (reg & 0x03) {
947 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
948 			       YDS_PCI_DSCTRL, reg & ~0x03);
949 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
950 			       YDS_PCI_DSCTRL, reg | 0x03);
951 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
952 			       YDS_PCI_DSCTRL, reg & ~0x03);
953 		delay(50000);
954 	}
955 
956 	yds_ready_codec(sc_);
957 }
958 
959 int
960 yds_intr(p)
961 	void *p;
962 {
963 	struct yds_softc *sc = p;
964 	u_int status;
965 
966 	status = YREAD4(sc, YDS_STATUS);
967 	DPRINTFN(1, ("yds_intr: status=%08x\n", status));
968 	if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
969 #if NMPU > 0
970 		if (sc->sc_mpu)
971 			return mpu_intr(sc->sc_mpu);
972 #endif
973 		return 0;
974 	}
975 
976 	if (status & YDS_STAT_TINT) {
977 		YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
978 		printf ("yds_intr: timeout!\n");
979 	}
980 
981 	if (status & YDS_STAT_INT) {
982 		int nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
983 
984 		/* Clear interrupt flag */
985 		YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
986 
987 		/* Buffer for the next frame is always ready. */
988 		YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
989 
990 		if (sc->sc_play.intr) {
991 			u_int dma, cpu, blk, len;
992 
993 			/* Sync play slot control data */
994 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
995 					sc->pbankoff,
996 					sizeof(struct play_slot_ctrl_bank)*
997 					    (*sc->ptbl)*
998 					    N_PLAY_SLOT_CTRL_BANK,
999 					BUS_DMASYNC_POSTWRITE|
1000 					BUS_DMASYNC_POSTREAD);
1001 			dma = sc->pbankp[nbank]->pgstart * sc->sc_play.factor;
1002 			cpu = sc->sc_play.offset;
1003 			blk = sc->sc_play.blksize;
1004 			len = sc->sc_play.length;
1005 
1006 			if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1007 			    ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1008 				/* We can fill the next block */
1009 				/* Sync ring buffer for previous write */
1010 				bus_dmamap_sync(sc->sc_dmatag,
1011 						sc->sc_play.dma->map,
1012 						cpu, blk,
1013 						BUS_DMASYNC_POSTWRITE);
1014 				sc->sc_play.intr(sc->sc_play.intr_arg);
1015 				sc->sc_play.offset += blk;
1016 				if (sc->sc_play.offset >= len) {
1017 					sc->sc_play.offset -= len;
1018 #ifdef DIAGNOSTIC
1019 					if (sc->sc_play.offset != 0)
1020 						printf ("Audio ringbuffer botch\n");
1021 #endif
1022 				}
1023 				/* Sync ring buffer for next write */
1024 				bus_dmamap_sync(sc->sc_dmatag,
1025 						sc->sc_play.dma->map,
1026 						cpu, blk,
1027 						BUS_DMASYNC_PREWRITE);
1028 			}
1029 		}
1030 		if (sc->sc_rec.intr) {
1031 			u_int dma, cpu, blk, len;
1032 
1033 			/* Sync rec slot control data */
1034 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1035 					sc->rbankoff,
1036 					sizeof(struct rec_slot_ctrl_bank)*
1037 					    N_REC_SLOT_CTRL*
1038 					    N_REC_SLOT_CTRL_BANK,
1039 					BUS_DMASYNC_POSTWRITE|
1040 					BUS_DMASYNC_POSTREAD);
1041 			dma = sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr;
1042 			cpu = sc->sc_rec.offset;
1043 			blk = sc->sc_rec.blksize;
1044 			len = sc->sc_rec.length;
1045 
1046 			if (((dma > cpu) && (dma - cpu > blk * 2)) ||
1047 			    ((cpu > dma) && (dma + len - cpu > blk * 2))) {
1048 				/* We can drain the current block */
1049 				/* Sync ring buffer first */
1050 				bus_dmamap_sync(sc->sc_dmatag,
1051 						sc->sc_rec.dma->map,
1052 						cpu, blk,
1053 						BUS_DMASYNC_POSTREAD);
1054 				sc->sc_rec.intr(sc->sc_rec.intr_arg);
1055 				sc->sc_rec.offset += blk;
1056 				if (sc->sc_rec.offset >= len) {
1057 					sc->sc_rec.offset -= len;
1058 #ifdef DIAGNOSTIC
1059 					if (sc->sc_rec.offset != 0)
1060 						printf ("Audio ringbuffer botch\n");
1061 #endif
1062 				}
1063 				/* Sync ring buffer for next read */
1064 				bus_dmamap_sync(sc->sc_dmatag,
1065 						sc->sc_rec.dma->map,
1066 						cpu, blk,
1067 						BUS_DMASYNC_PREREAD);
1068 			}
1069 		}
1070 	}
1071 
1072 	return 1;
1073 }
1074 
1075 int
1076 yds_allocmem(sc, size, align, p)
1077 	struct yds_softc *sc;
1078 	size_t size;
1079 	size_t align;
1080 	struct yds_dma *p;
1081 {
1082 	int error;
1083 
1084 	p->size = size;
1085 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
1086 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1087 				 &p->nsegs, BUS_DMA_NOWAIT);
1088 	if (error)
1089 		return (error);
1090 
1091 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
1092 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
1093 	if (error)
1094 		goto free;
1095 
1096 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
1097 				  0, BUS_DMA_NOWAIT, &p->map);
1098 	if (error)
1099 		goto unmap;
1100 
1101 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
1102 				BUS_DMA_NOWAIT);
1103 	if (error)
1104 		goto destroy;
1105 	return (0);
1106 
1107 destroy:
1108 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1109 unmap:
1110 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1111 free:
1112 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1113 	return (error);
1114 }
1115 
1116 int
1117 yds_freemem(sc, p)
1118 	struct yds_softc *sc;
1119 	struct yds_dma *p;
1120 {
1121 	bus_dmamap_unload(sc->sc_dmatag, p->map);
1122 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1123 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1124 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1125 	return 0;
1126 }
1127 
1128 int
1129 yds_open(addr, flags)
1130 	void *addr;
1131 	int flags;
1132 {
1133 	struct yds_softc *sc = addr;
1134 	int mode;
1135 
1136 	/* Select bank 0. */
1137 	YWRITE4(sc, YDS_CONTROL_SELECT, 0);
1138 
1139 	/* Start the DSP operation. */
1140 	mode = YREAD4(sc, YDS_MODE);
1141 	mode |= YDS_MODE_ACTV;
1142 	mode &= ~YDS_MODE_ACTV2;
1143 	YWRITE4(sc, YDS_MODE, mode);
1144 
1145 	return 0;
1146 }
1147 
1148 /*
1149  * Close function is called at splaudio().
1150  */
1151 void
1152 yds_close(addr)
1153 	void *addr;
1154 {
1155 	struct yds_softc *sc = addr;
1156 
1157 	yds_halt_output(sc);
1158 	yds_halt_input(sc);
1159 	yds_halt(sc);
1160 }
1161 
1162 int
1163 yds_query_encoding(addr, fp)
1164 	void *addr;
1165 	struct audio_encoding *fp;
1166 {
1167 	switch (fp->index) {
1168 	case 0:
1169 		strcpy(fp->name, AudioEulinear);
1170 		fp->encoding = AUDIO_ENCODING_ULINEAR;
1171 		fp->precision = 8;
1172 		fp->flags = 0;
1173 		return (0);
1174 	case 1:
1175 		strcpy(fp->name, AudioEmulaw);
1176 		fp->encoding = AUDIO_ENCODING_ULAW;
1177 		fp->precision = 8;
1178 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1179 		return (0);
1180 	case 2:
1181 		strcpy(fp->name, AudioEalaw);
1182 		fp->encoding = AUDIO_ENCODING_ALAW;
1183 		fp->precision = 8;
1184 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1185 		return (0);
1186 	case 3:
1187 		strcpy(fp->name, AudioEslinear);
1188 		fp->encoding = AUDIO_ENCODING_SLINEAR;
1189 		fp->precision = 8;
1190 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1191 		return (0);
1192 	case 4:
1193 		strcpy(fp->name, AudioEslinear_le);
1194 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1195 		fp->precision = 16;
1196 		fp->flags = 0;
1197 		return (0);
1198 	case 5:
1199 		strcpy(fp->name, AudioEulinear_le);
1200 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1201 		fp->precision = 16;
1202 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1203 		return (0);
1204 	case 6:
1205 		strcpy(fp->name, AudioEslinear_be);
1206 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1207 		fp->precision = 16;
1208 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1209 		return (0);
1210 	case 7:
1211 		strcpy(fp->name, AudioEulinear_be);
1212 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1213 		fp->precision = 16;
1214 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1215 		return (0);
1216 	default:
1217 		return (EINVAL);
1218 	}
1219 }
1220 
1221 int
1222 yds_set_params(addr, setmode, usemode, play, rec)
1223 	void *addr;
1224 	int setmode, usemode;
1225 	struct audio_params *play, *rec;
1226 {
1227 	struct audio_params *p;
1228 	int mode;
1229 
1230 	for (mode = AUMODE_RECORD; mode != -1;
1231 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1232 		if ((setmode & mode) == 0)
1233 			continue;
1234 
1235 		p = mode == AUMODE_PLAY ? play : rec;
1236 
1237 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1238 		    (p->precision != 8 && p->precision != 16) ||
1239 		    (p->channels != 1 && p->channels != 2))
1240 			return (EINVAL);
1241 
1242 		p->factor = 1;
1243 		p->sw_code = 0;
1244 		switch (p->encoding) {
1245 		case AUDIO_ENCODING_SLINEAR_BE:
1246 			if (p->precision == 16)
1247 				p->sw_code = swap_bytes;
1248 			else
1249 				p->sw_code = change_sign8;
1250 			break;
1251 		case AUDIO_ENCODING_SLINEAR_LE:
1252 			if (p->precision != 16)
1253 				p->sw_code = change_sign8;
1254 			break;
1255 		case AUDIO_ENCODING_ULINEAR_BE:
1256 			if (p->precision == 16) {
1257 				if (mode == AUMODE_PLAY)
1258 					p->sw_code = swap_bytes_change_sign16_le;
1259 				else
1260 					p->sw_code = change_sign16_swap_bytes_le;
1261 			}
1262 			break;
1263 		case AUDIO_ENCODING_ULINEAR_LE:
1264 			if (p->precision == 16)
1265 				p->sw_code = change_sign16_le;
1266 			break;
1267 		case AUDIO_ENCODING_ULAW:
1268 			if (mode == AUMODE_PLAY) {
1269 				p->factor = 2;
1270 				p->precision = 16;
1271 				p->sw_code = mulaw_to_slinear16_le;
1272 			} else
1273 				p->sw_code = ulinear8_to_mulaw;
1274 			break;
1275 		case AUDIO_ENCODING_ALAW:
1276 			if (mode == AUMODE_PLAY) {
1277 				p->factor = 2;
1278 				p->precision = 16;
1279 				p->sw_code = alaw_to_slinear16_le;
1280 			} else
1281 				p->sw_code = ulinear8_to_alaw;
1282 			break;
1283 		default:
1284 			return (EINVAL);
1285 		}
1286 	}
1287 
1288 	return 0;
1289 }
1290 
1291 int
1292 yds_round_blocksize(addr, blk)
1293 	void *addr;
1294 	int blk;
1295 {
1296 	/*
1297 	 * Block size must be bigger than a frame.
1298 	 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
1299 	 */
1300 	if (blk < 1024)
1301 		blk = 1024;
1302 
1303 	return blk & ~4;
1304 }
1305 
1306 static u_int32_t
1307 yds_get_lpfq(sample_rate)
1308 	u_int sample_rate;
1309 {
1310 	int i;
1311 	static struct lpfqt {
1312 		u_int rate;
1313 		u_int32_t lpfq;
1314 	} lpfqt[] = {
1315 		{8000,  0x32020000},
1316 		{11025, 0x31770000},
1317 		{16000, 0x31390000},
1318 		{22050, 0x31c90000},
1319 		{32000, 0x33d00000},
1320 		{48000, 0x40000000},
1321 		{0, 0}
1322 	};
1323 
1324 	if (sample_rate == 44100)		/* for P44 slot? */
1325 		return 0x370A0000;
1326 
1327 	for (i = 0; lpfqt[i].rate != 0; i++)
1328 		if (sample_rate <= lpfqt[i].rate)
1329 			break;
1330 
1331 	return lpfqt[i].lpfq;
1332 }
1333 
1334 static u_int32_t
1335 yds_get_lpfk(sample_rate)
1336 	u_int sample_rate;
1337 {
1338 	int i;
1339 	static struct lpfkt {
1340 		u_int rate;
1341 		u_int32_t lpfk;
1342 	} lpfkt[] = {
1343 		{8000,  0x18b20000},
1344 		{11025, 0x20930000},
1345 		{16000, 0x2b9a0000},
1346 		{22050, 0x35a10000},
1347 		{32000, 0x3eaa0000},
1348 		{48000, 0x40000000},
1349 		{0, 0}
1350 	};
1351 
1352 	if (sample_rate == 44100)		/* for P44 slot? */
1353 		return 0x46460000;
1354 
1355 	for (i = 0; lpfkt[i].rate != 0; i++)
1356 		if (sample_rate <= lpfkt[i].rate)
1357 			break;
1358 
1359 	return lpfkt[i].lpfk;
1360 }
1361 
1362 int
1363 yds_trigger_output(addr, start, end, blksize, intr, arg, param)
1364 	void *addr;
1365 	void *start, *end;
1366 	int blksize;
1367 	void (*intr) __P((void *));
1368 	void *arg;
1369 	struct audio_params *param;
1370 #define P44		(sc->sc_flags & YDS_CAP_HAS_P44)
1371 {
1372 	struct yds_softc *sc = addr;
1373 	struct yds_dma *p;
1374 	struct play_slot_ctrl_bank *psb;
1375 	const u_int gain = 0x40000000;
1376 	bus_addr_t s;
1377 	size_t l;
1378 	int i;
1379 	int p44, channels;
1380 
1381 #ifdef DIAGNOSTIC
1382 	if (sc->sc_play.intr)
1383 		panic("yds_trigger_output: already running");
1384 #endif
1385 
1386 	sc->sc_play.intr = intr;
1387 	sc->sc_play.intr_arg = arg;
1388 	sc->sc_play.offset = 0;
1389 	sc->sc_play.blksize = blksize;
1390 
1391 	DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
1392 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1393 
1394 	p = yds_find_dma(sc, start);
1395 	if (!p) {
1396 		printf("yds_trigger_output: bad addr %p\n", start);
1397 		return (EINVAL);
1398 	}
1399 	sc->sc_play.dma = p;
1400 
1401 #ifdef YDS_USE_P44
1402 	/* The document says the P44 SRC supports only stereo, 16bit PCM. */
1403 	if (P44)
1404 		p44 = ((param->sample_rate == 44100) &&
1405 		       (param->channels == 2) &&
1406 		       (param->precision == 16));
1407 	else
1408 #endif
1409 		p44 = 0;
1410 	channels = p44 ? 1 : param->channels;
1411 
1412 	s = DMAADDR(p);
1413 	l = ((char *)end - (char *)start);
1414 	sc->sc_play.length = l;
1415 
1416 	*sc->ptbl = channels;	/* Num of play */
1417 
1418 	sc->sc_play.factor = 1;
1419 	if (param->channels == 2)
1420 		sc->sc_play.factor *= 2;
1421 	if (param->precision != 8)
1422 		sc->sc_play.factor *= 2;
1423 	l /= sc->sc_play.factor;
1424 
1425 	psb = sc->pbankp[0];
1426 	memset(psb, 0, sizeof(*psb));
1427 	psb->format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
1428 		       (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
1429 		       (p44 ? PSLT_FORMAT_SRC441 : 0));
1430 	psb->pgbase = s;
1431 	psb->pgloopend = l;
1432 	if (!p44) {
1433 		psb->pgdeltaend = (param->sample_rate * 65536 / 48000) << 12;
1434 		psb->lpfkend = yds_get_lpfk(param->sample_rate);
1435 		psb->eggainend = gain;
1436 		psb->lpfq = yds_get_lpfq(param->sample_rate);
1437 		psb->pgdelta = psb->pgdeltaend;
1438 		psb->lpfk = yds_get_lpfk(param->sample_rate);
1439 		psb->eggain = gain;
1440 	}
1441 
1442 	for (i = 0; i < channels; i++) {
1443 		/* i == 0: left or mono, i == 1: right */
1444 		psb = sc->pbankp[i*2];
1445 		if (i)
1446 			/* copy from left */
1447 			*psb = *(sc->pbankp[0]);
1448 		if (channels == 2) {
1449 			/* stereo */
1450 			if (i == 0) {
1451 				psb->lchgain = psb->lchgainend = gain;
1452 			} else {
1453 				psb->lchgain = psb->lchgainend = 0;
1454 				psb->rchgain = psb->rchgainend = gain;
1455 				psb->format |= PSLT_FORMAT_RCH;
1456 			}
1457 		} else if (!p44) {
1458 			/* mono */
1459 			psb->lchgain = psb->rchgain = gain;
1460 			psb->lchgainend = psb->rchgainend = gain;
1461 		}
1462 		/* copy to the other bank */
1463 		*(sc->pbankp[i*2+1]) = *psb;
1464 	}
1465 
1466 	YDS_DUMP_PLAY_SLOT(5, sc, 0);
1467 	YDS_DUMP_PLAY_SLOT(5, sc, 1);
1468 
1469 	if (p44)
1470 		YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
1471 	else
1472 		YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
1473 
1474 	/* Now the play slot for the next frame is set up!! */
1475 	/* Sync play slot control data for both directions */
1476 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1477 			sc->ptbloff,
1478 			sizeof(struct play_slot_ctrl_bank) *
1479 			    channels * N_PLAY_SLOT_CTRL_BANK,
1480 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1481 	/* Sync ring buffer */
1482 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1483 			BUS_DMASYNC_PREWRITE);
1484 	/* HERE WE GO!! */
1485 	YWRITE4(sc, YDS_MODE,
1486 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1487 
1488 	return 0;
1489 }
1490 #undef P44
1491 
1492 int
1493 yds_trigger_input(addr, start, end, blksize, intr, arg, param)
1494 	void *addr;
1495 	void *start, *end;
1496 	int blksize;
1497 	void (*intr) __P((void *));
1498 	void *arg;
1499 	struct audio_params *param;
1500 {
1501 	struct yds_softc *sc = addr;
1502 	struct yds_dma *p;
1503 	u_int srate, format;
1504 	struct rec_slot_ctrl_bank *rsb;
1505 	bus_addr_t s;
1506 	size_t l;
1507 
1508 #ifdef DIAGNOSTIC
1509 	if (sc->sc_rec.intr)
1510 		panic("yds_trigger_input: already running");
1511 #endif
1512 	sc->sc_rec.intr = intr;
1513 	sc->sc_rec.intr_arg = arg;
1514 	sc->sc_rec.offset = 0;
1515 	sc->sc_rec.blksize = blksize;
1516 
1517 	DPRINTFN(1, ("yds_trigger_input: "
1518 	    "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1519 	    addr, start, end, blksize, intr, arg));
1520 	DPRINTFN(1, (" parameters: rate=%lu, precision=%u, channels=%u\n",
1521 	    param->sample_rate, param->precision, param->channels));
1522 
1523 	p = yds_find_dma(sc, start);
1524 	if (!p) {
1525 		printf("yds_trigger_input: bad addr %p\n", start);
1526 		return (EINVAL);
1527 	}
1528 	sc->sc_rec.dma = p;
1529 
1530 	s = DMAADDR(p);
1531 	l = ((char *)end - (char *)start);
1532 	sc->sc_rec.length = l;
1533 
1534 	sc->sc_rec.factor = 1;
1535 	if (param->channels == 2)
1536 		sc->sc_rec.factor *= 2;
1537 	if (param->precision != 8)
1538 		sc->sc_rec.factor *= 2;
1539 
1540 	rsb = &sc->rbank[0];
1541 	memset(rsb, 0, sizeof(*rsb));
1542 	rsb->pgbase = s;
1543 	rsb->pgloopendadr = l;
1544 	/* Seems all 4 banks must be set up... */
1545 	sc->rbank[1] = *rsb;
1546 	sc->rbank[2] = *rsb;
1547 	sc->rbank[3] = *rsb;
1548 
1549 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
1550 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
1551 	srate = 48000 * 4096 / param->sample_rate - 1;
1552 	format = ((param->precision == 8 ? YDS_FORMAT_8BIT : 0) |
1553 		  (param->channels == 2 ? YDS_FORMAT_STEREO : 0));
1554 	DPRINTF(("srate=%d, format=%08x\n", srate, format));
1555 #ifdef YDS_USE_REC_SLOT
1556 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
1557 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
1558 	YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
1559 	YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
1560 	YWRITE4(sc, YDS_REC_FORMAT, format);
1561 #else
1562 	YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
1563 	YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
1564 	YWRITE4(sc, YDS_ADC_FORMAT, format);
1565 #endif
1566 	/* Now the rec slot for the next frame is set up!! */
1567 	/* Sync record slot control data */
1568 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1569 			sc->rbankoff,
1570 			sizeof(struct rec_slot_ctrl_bank)*
1571 			    N_REC_SLOT_CTRL*
1572 			    N_REC_SLOT_CTRL_BANK,
1573 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1574 	/* Sync ring buffer */
1575 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1576 			BUS_DMASYNC_PREREAD);
1577 	/* HERE WE GO!! */
1578 	YWRITE4(sc, YDS_MODE,
1579 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1580 
1581 	return 0;
1582 }
1583 
1584 static int
1585 yds_halt(sc)
1586 	struct yds_softc *sc;
1587 {
1588 	u_int32_t mode;
1589 
1590 	/* Stop the DSP operation. */
1591 	mode = YREAD4(sc, YDS_MODE);
1592 	YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
1593 
1594 	/* Paranoia...  mute all */
1595 	YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
1596 	YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
1597 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
1598 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
1599 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
1600 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
1601 
1602 	return 0;
1603 }
1604 
1605 int
1606 yds_halt_output(addr)
1607 	void *addr;
1608 {
1609 	struct yds_softc *sc = addr;
1610 
1611 	DPRINTF(("yds: yds_halt_output\n"));
1612 	if (sc->sc_play.intr) {
1613 		sc->sc_play.intr = 0;
1614 		/* Sync play slot control data */
1615 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1616 				sc->pbankoff,
1617 				sizeof(struct play_slot_ctrl_bank)*
1618 				    (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
1619 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1620 		/* Stop the play slot operation */
1621 		sc->pbankp[0]->status =
1622 		sc->pbankp[1]->status =
1623 		sc->pbankp[2]->status =
1624 		sc->pbankp[3]->status = 1;
1625 		/* Sync ring buffer */
1626 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
1627 				0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
1628 	}
1629 
1630 	return 0;
1631 }
1632 
1633 int
1634 yds_halt_input(addr)
1635 	void *addr;
1636 {
1637 	struct yds_softc *sc = addr;
1638 
1639 	DPRINTF(("yds: yds_halt_input\n"));
1640 	sc->sc_rec.intr = NULL;
1641 	if (sc->sc_rec.intr) {
1642 		/* Stop the rec slot operation */
1643 		YWRITE4(sc, YDS_MAPOF_REC, 0);
1644 		sc->sc_rec.intr = 0;
1645 		/* Sync rec slot control data */
1646 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1647 				sc->rbankoff,
1648 				sizeof(struct rec_slot_ctrl_bank)*
1649 				    N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
1650 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1651 		/* Sync ring buffer */
1652 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
1653 				0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
1654 	}
1655 
1656 	return 0;
1657 }
1658 
1659 int
1660 yds_getdev(addr, retp)
1661 	void *addr;
1662 	struct audio_device *retp;
1663 {
1664 	*retp = yds_device;
1665 
1666 	return 0;
1667 }
1668 
1669 int
1670 yds_mixer_set_port(addr, cp)
1671 	void *addr;
1672 	mixer_ctrl_t *cp;
1673 {
1674 	struct yds_softc *sc = addr;
1675 
1676 	return (sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
1677 	    sc->sc_codec[0].codec_if, cp));
1678 }
1679 
1680 int
1681 yds_mixer_get_port(addr, cp)
1682 	void *addr;
1683 	mixer_ctrl_t *cp;
1684 {
1685 	struct yds_softc *sc = addr;
1686 
1687 	return (sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
1688 	    sc->sc_codec[0].codec_if, cp));
1689 }
1690 
1691 int
1692 yds_query_devinfo(addr, dip)
1693 	void *addr;
1694 	mixer_devinfo_t *dip;
1695 {
1696 	struct yds_softc *sc = addr;
1697 
1698 	return (sc->sc_codec[0].codec_if->vtbl->query_devinfo(
1699 	    sc->sc_codec[0].codec_if, dip));
1700 }
1701 
1702 int
1703 yds_get_portnum_by_name(sc, class, device, qualifier)
1704 	struct yds_softc *sc;
1705 	char *class, *device, *qualifier;
1706 {
1707 	return (sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
1708 	    sc->sc_codec[0].codec_if, class, device, qualifier));
1709 }
1710 
1711 void *
1712 yds_malloc(addr, direction, size, pool, flags)
1713 	void *addr;
1714 	int direction;
1715 	size_t size;
1716 	int pool, flags;
1717 {
1718 	struct yds_softc *sc = addr;
1719 	struct yds_dma *p;
1720 	int error;
1721 
1722 	p = malloc(sizeof(*p), pool, flags);
1723 	if (!p)
1724 		return (0);
1725 	error = yds_allocmem(sc, size, 16, p);
1726 	if (error) {
1727 		free(p, pool);
1728 		return (0);
1729 	}
1730 	p->next = sc->sc_dmas;
1731 	sc->sc_dmas = p;
1732 	return (KERNADDR(p));
1733 }
1734 
1735 void
1736 yds_free(addr, ptr, pool)
1737 	void *addr;
1738 	void *ptr;
1739 	int pool;
1740 {
1741 	struct yds_softc *sc = addr;
1742 	struct yds_dma **pp, *p;
1743 
1744 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1745 		if (KERNADDR(p) == ptr) {
1746 			yds_freemem(sc, p);
1747 			*pp = p->next;
1748 			free(p, pool);
1749 			return;
1750 		}
1751 	}
1752 }
1753 
1754 static struct yds_dma *
1755 yds_find_dma(sc, addr)
1756 	struct yds_softc *sc;
1757 	void *addr;
1758 {
1759 	struct yds_dma *p;
1760 
1761 	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1762 		;
1763 
1764 	return p;
1765 }
1766 
1767 size_t
1768 yds_round_buffersize(addr, direction, size)
1769 	void *addr;
1770 	int direction;
1771 	size_t size;
1772 {
1773 	/*
1774 	 * Buffer size should be at least twice as bigger as a frame.
1775 	 */
1776 	if (size < 1024 * 3)
1777 		size = 1024 * 3;
1778 	return (size);
1779 }
1780 
1781 paddr_t
1782 yds_mappage(addr, mem, off, prot)
1783 	void *addr;
1784 	void *mem;
1785 	off_t off;
1786 	int prot;
1787 {
1788 	struct yds_softc *sc = addr;
1789 	struct yds_dma *p;
1790 
1791 	if (off < 0)
1792 		return (-1);
1793 	p = yds_find_dma(sc, mem);
1794 	if (!p)
1795 		return (-1);
1796 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1797 				off, prot, BUS_DMA_WAITOK));
1798 }
1799 
1800 int
1801 yds_get_props(addr)
1802 	void *addr;
1803 {
1804 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1805 		AUDIO_PROP_FULLDUPLEX);
1806 }
1807