xref: /openbsd-src/sys/dev/pci/yds.c (revision 99fd087599a8791921855f21bd7e36130f39aadc)
1 /*	$OpenBSD: yds.c,v 1.54 2016/09/19 06:46:44 ratchov Exp $	*/
2 /*	$NetBSD: yds.c,v 1.5 2001/05/21 23:55:04 minoura Exp $	*/
3 
4 /*
5  * Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /*
30  * Yamaha YMF724[B-F]/740[B-C]/744/754
31  *
32  * Documentation links:
33  * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/
34  * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/pci/
35  *
36  * TODO:
37  * - FM synth volume (difficult: mixed before ac97)
38  * - Digital in/out (SPDIF) support
39  * - Effect??
40  */
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/fcntl.h>
46 #include <sys/malloc.h>
47 #include <sys/device.h>
48 #include <sys/queue.h>
49 
50 #include <dev/pci/pcidevs.h>
51 #include <dev/pci/pcireg.h>
52 #include <dev/pci/pcivar.h>
53 
54 #include <sys/audioio.h>
55 #include <dev/audio_if.h>
56 #include <dev/midi_if.h>
57 #include <dev/ic/ac97.h>
58 
59 #include <machine/bus.h>
60 #include <machine/intr.h>
61 
62 #include <dev/pci/ydsreg.h>
63 #include <dev/pci/ydsvar.h>
64 
65 /* Debug */
66 #undef YDS_USE_REC_SLOT
67 #define YDS_USE_P44
68 
69 #ifdef AUDIO_DEBUG
70 # define DPRINTF(x)	if (ydsdebug) printf x
71 # define DPRINTFN(n,x)	if (ydsdebug>(n)) printf x
72 int	ydsdebug = 0;
73 #else
74 # define DPRINTF(x)
75 # define DPRINTFN(n,x)
76 #endif
77 #ifdef YDS_USE_REC_SLOT
78 # define YDS_INPUT_SLOT 0	/* REC slot = ADC + loopbacks */
79 #else
80 # define YDS_INPUT_SLOT 1	/* ADC slot */
81 #endif
82 
83 static	int ac97_id2;
84 
85 int	yds_match(struct device *, void *, void *);
86 void	yds_attach(struct device *, struct device *, void *);
87 int	yds_activate(struct device *, int);
88 int	yds_intr(void *);
89 
90 static void nswaph(u_int32_t *p, int wcount);
91 
92 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
93 #define KERNADDR(p) ((void *)((p)->addr))
94 
95 int	yds_allocmem(struct yds_softc *, size_t, size_t,
96 	    struct yds_dma *);
97 int	yds_freemem(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, NULL,
146 	yds_activate
147 };
148 
149 struct cfdriver yds_cd = {
150 	NULL, "yds", DV_DULL
151 };
152 
153 int	yds_open(void *, int);
154 void	yds_close(void *);
155 int	yds_set_params(void *, int, int,
156 	    struct audio_params *, struct audio_params *);
157 int	yds_round_blocksize(void *, int);
158 int	yds_trigger_output(void *, void *, void *, int, void (*)(void *),
159 	    void *, struct audio_params *);
160 int	yds_trigger_input(void *, void *, void *, int, void (*)(void *),
161 	    void *, struct audio_params *);
162 int	yds_halt_output(void *);
163 int	yds_halt_input(void *);
164 int	yds_mixer_set_port(void *, mixer_ctrl_t *);
165 int	yds_mixer_get_port(void *, mixer_ctrl_t *);
166 void   *yds_malloc(void *, int, size_t, int, int);
167 void	yds_free(void *, void *, int);
168 size_t	yds_round_buffersize(void *, int, size_t);
169 int	yds_get_props(void *);
170 int	yds_query_devinfo(void *addr, mixer_devinfo_t *dip);
171 
172 int     yds_attach_codec(void *sc, struct ac97_codec_if *);
173 int	yds_read_codec(void *sc, u_int8_t a, u_int16_t *d);
174 int	yds_write_codec(void *sc, u_int8_t a, u_int16_t d);
175 void    yds_reset_codec(void *sc);
176 int     yds_get_portnum_by_name(struct yds_softc *, char *, char *,
177 	    char *);
178 
179 static u_int yds_get_dstype(int);
180 static int yds_download_mcode(struct yds_softc *);
181 static int yds_allocate_slots(struct yds_softc *, int);
182 static void yds_configure_legacy(struct yds_softc *arg);
183 static void yds_enable_dsp(struct yds_softc *);
184 static int yds_disable_dsp(struct yds_softc *);
185 static int yds_ready_codec(struct yds_codec_softc *);
186 static int yds_halt(struct yds_softc *);
187 static u_int32_t yds_get_lpfq(u_int);
188 static u_int32_t yds_get_lpfk(u_int);
189 static struct yds_dma *yds_find_dma(struct yds_softc *, void *);
190 
191 int	yds_init(struct yds_softc *, int);
192 void	yds_attachhook(struct device *);
193 
194 #ifdef AUDIO_DEBUG
195 static void yds_dump_play_slot(struct yds_softc *, int);
196 #define	YDS_DUMP_PLAY_SLOT(n,sc,bank) \
197 	if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
198 #else
199 #define	YDS_DUMP_PLAY_SLOT(n,sc,bank)
200 #endif /* AUDIO_DEBUG */
201 
202 static struct audio_hw_if yds_hw_if = {
203 	yds_open,
204 	yds_close,
205 	yds_set_params,
206 	yds_round_blocksize,
207 	NULL,
208 	NULL,
209 	NULL,
210 	NULL,
211 	NULL,
212 	yds_halt_output,
213 	yds_halt_input,
214 	NULL,
215 	NULL,
216 	yds_mixer_set_port,
217 	yds_mixer_get_port,
218 	yds_query_devinfo,
219 	yds_malloc,
220 	yds_free,
221 	yds_round_buffersize,
222 	yds_get_props,
223 	yds_trigger_output,
224 	yds_trigger_input
225 };
226 
227 const static struct {
228 	u_int	id;
229 	u_int	flags;
230 #define YDS_CAP_MCODE_1			0x0001
231 #define YDS_CAP_MCODE_1E		0x0002
232 #define YDS_CAP_LEGACY_SELECTABLE	0x0004
233 #define YDS_CAP_LEGACY_FLEXIBLE		0x0008
234 #define YDS_CAP_HAS_P44			0x0010
235 #define YDS_CAP_LEGACY_SMOD_DISABLE	0x1000
236 } yds_chip_capability_list[] = {
237 	{ PCI_PRODUCT_YAMAHA_YMF724,
238 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
239 	/* 740[C] has only 32 slots.  But anyway we use only 2 */
240 	{ PCI_PRODUCT_YAMAHA_YMF740,
241 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },	/* XXX NOT TESTED */
242 	{ PCI_PRODUCT_YAMAHA_YMF740C,
243 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
244 	{ PCI_PRODUCT_YAMAHA_YMF724F,
245 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
246 	{ PCI_PRODUCT_YAMAHA_YMF744,
247 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
248 	{ PCI_PRODUCT_YAMAHA_YMF754,
249 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
250 	/* How about 734/737/738?? */
251 	{ 0, 0 }
252 };
253 #ifdef AUDIO_DEBUG
254 #define YDS_CAP_BITS	"\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
255 #endif
256 
257 #ifdef AUDIO_DEBUG
258 static void
259 yds_dump_play_slot(struct yds_softc *sc, int bank)
260 {
261 	int i, j;
262 	u_int32_t *p;
263 	u_int32_t num;
264 	struct yds_dma *dma;
265 
266 	for (i = 0; i < N_PLAY_SLOTS; i++) {
267 		printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
268 		printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
269 	}
270 
271 	p = (u_int32_t*)sc->ptbl;
272 	for (i = 0; i < N_PLAY_SLOTS+1; i++) {
273 		printf("ptbl + %d:0x%x\n", i, *p);
274 		p++;
275 	}
276 
277 	num = *(u_int32_t*)sc->ptbl;
278 	printf("num = %d\n", num);
279 
280 	for (i = 0; i < num; i++) {
281 
282 		p = (u_int32_t *)sc->pbankp[i];
283 
284 		dma = yds_find_dma(sc,(void *)p);
285 
286 		for (j = 0; j < sizeof(struct play_slot_ctrl_bank) /
287 		    sizeof(u_int32_t); j++) {
288 			printf("    0x%02x: 0x%08x\n",
289 			       (unsigned) (j * sizeof(u_int32_t)),
290 			       (unsigned) *p++);
291 		}
292 		/*
293 		p = (u_int32_t *)sc->pbankp[i*2 + 1];
294 		printf("  pbankp[%d] : %p\n", i*2 + 1, p);
295 		for (j = 0; j < sizeof(struct play_slot_ctrl_bank) /
296 		    sizeof(u_int32_t); j++) {
297 			printf("    0x%02x: 0x%08x\n",
298 				j * sizeof(u_int32_t), *p++);
299 				delay(1);
300 		}
301 		*/
302 	}
303 }
304 #endif /* AUDIO_DEBUG */
305 
306 static u_int
307 yds_get_dstype(int id)
308 {
309 	int i;
310 
311 	for (i = 0; yds_chip_capability_list[i].id; i++) {
312 		if (PCI_PRODUCT(id) == yds_chip_capability_list[i].id)
313 			return yds_chip_capability_list[i].flags;
314 	}
315 
316 	return -1;
317 }
318 
319 static void
320 nswaph(u_int32_t *p, int wcount)
321 {
322 	for (; wcount; wcount -=4) {
323 		*p = ntohl(*p);
324 		p++;
325 	}
326 }
327 
328 static int
329 yds_download_mcode(struct yds_softc *sc)
330 {
331 	u_int ctrl;
332 	const u_int32_t *p;
333 	size_t size;
334 	u_char *buf;
335 	size_t buflen;
336 	int error;
337 	struct yds_firmware *yf;
338 
339 	error = loadfirmware("yds", &buf, &buflen);
340 	if (error)
341 		return 1;
342 	yf = (struct yds_firmware *)buf;
343 
344 	if (sc->sc_flags & YDS_CAP_MCODE_1) {
345 		p = (u_int32_t *)&yf->data[ntohl(yf->dsplen)];
346 		size = ntohl(yf->ds1len);
347 	} else if (sc->sc_flags & YDS_CAP_MCODE_1E) {
348 		p = (u_int32_t *)&yf->data[ntohl(yf->dsplen) + ntohl(yf->ds1len)];
349 		size = ntohl(yf->ds1elen);
350 	} else {
351 		free(buf, M_DEVBUF, buflen);
352 		return 1;	/* unknown */
353 	}
354 
355 	if (size > buflen) {
356 		printf("%s: old firmware file, update please\n",
357 		    sc->sc_dev.dv_xname);
358 		free(buf, M_DEVBUF, buflen);
359 		return 1;
360 	}
361 
362 	if (yds_disable_dsp(sc)) {
363 		free(buf, M_DEVBUF, buflen);
364 		return 1;
365 	}
366 
367 	/* Software reset */
368         YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
369         YWRITE4(sc, YDS_MODE, 0);
370 
371         YWRITE4(sc, YDS_MAPOF_REC, 0);
372         YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
373         YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
374         YWRITE4(sc, YDS_REC_CTRLBASE, 0);
375         YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
376         YWRITE4(sc, YDS_WORK_BASE, 0);
377 
378         ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
379         YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
380 
381 	/* Download DSP microcode. */
382 	nswaph((u_int32_t *)&yf->data[0], ntohl(yf->dsplen));
383 	YWRITEREGION4(sc, YDS_DSP_INSTRAM, (u_int32_t *)&yf->data[0],
384 	    ntohl(yf->dsplen));
385 
386 	/* Download CONTROL microcode. */
387 	nswaph((u_int32_t *)p, size);
388 	YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
389 
390 	yds_enable_dsp(sc);
391 	delay(10*1000);		/* neccesary on my 724F (??) */
392 
393 	free(buf, M_DEVBUF, buflen);
394 	return 0;
395 }
396 
397 static int
398 yds_allocate_slots(struct yds_softc *sc, int resuming)
399 {
400 	size_t pcs, rcs, ecs, ws, memsize;
401 	void *mp;
402 	u_int32_t da;		/* DMA address */
403 	char *va;		/* KVA */
404 	off_t cb;
405 	int i;
406 	struct yds_dma *p;
407 
408 	/* Alloc DSP Control Data */
409 	pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(u_int32_t);
410 	rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(u_int32_t);
411 	ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(u_int32_t);
412 	ws = WORK_SIZE;
413 	YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(u_int32_t));
414 
415 	DPRINTF(("play control size : %d\n", (unsigned int)pcs));
416 	DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
417 	DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
418 	DPRINTF(("work size : %d\n", (unsigned int)ws));
419 #ifdef DIAGNOSTIC
420 	if (pcs != sizeof(struct play_slot_ctrl_bank)) {
421 		printf("%s: invalid play slot ctrldata %d != %d\n",
422 		       sc->sc_dev.dv_xname, (unsigned int)pcs,
423 		       (unsigned int)sizeof(struct play_slot_ctrl_bank));
424 	}
425 	if (rcs != sizeof(struct rec_slot_ctrl_bank)) {
426 		printf("%s: invalid rec slot ctrldata %d != %d\n",
427 		       sc->sc_dev.dv_xname, (unsigned int)rcs,
428 		       (unsigned int)sizeof(struct rec_slot_ctrl_bank));
429         }
430 #endif
431 
432 	memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
433 		  N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
434 	memsize += (N_PLAY_SLOTS+1)*sizeof(u_int32_t);
435 
436 	p = &sc->sc_ctrldata;
437 	if (!resuming) {
438 		i = yds_allocmem(sc, memsize, 16, p);
439 		if (i) {
440 			printf("%s: couldn't alloc/map DSP DMA buffer, reason %d\n",
441 			       sc->sc_dev.dv_xname, i);
442 			free(p, M_DEVBUF, 0);
443 			return 1;
444 		}
445 	}
446 	mp = KERNADDR(p);
447 	da = DMAADDR(p);
448 
449 	DPRINTF(("mp:%p, DMA addr:%p\n",
450 		 mp, (void *) sc->sc_ctrldata.map->dm_segs[0].ds_addr));
451 
452 	bzero(mp, memsize);
453 
454 	/* Work space */
455         cb = 0;
456 	va = (u_int8_t*)mp;
457 	YWRITE4(sc, YDS_WORK_BASE, da + cb);
458         cb += ws;
459 
460 	/* Play control data table */
461         sc->ptbl = (u_int32_t *)(va + cb);
462 	sc->ptbloff = cb;
463         YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
464         cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(u_int32_t);
465 
466 	/* Record slot control data */
467         sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
468         YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
469 	sc->rbankoff = cb;
470         cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
471 
472 #if 0
473 	/* Effect slot control data -- unused */
474         YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
475         cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
476 #endif
477 
478 	/* Play slot control data */
479         sc->pbankoff = da + cb;
480         for (i=0; i<N_PLAY_SLOT_CTRL; i++) {
481 		sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
482 		*(sc->ptbl + i+1) = da + cb;
483                 cb += pcs;
484 
485                 sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
486                 cb += pcs;
487         }
488 	/* Sync play control data table */
489 	bus_dmamap_sync(sc->sc_dmatag, p->map,
490 			sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(u_int32_t),
491 			BUS_DMASYNC_PREWRITE);
492 
493 	return 0;
494 }
495 
496 static void
497 yds_enable_dsp(struct yds_softc *sc)
498 {
499 	YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
500 }
501 
502 static int
503 yds_disable_dsp(struct yds_softc *sc)
504 {
505 	int to;
506 	u_int32_t data;
507 
508 	data = YREAD4(sc, YDS_CONFIG);
509 	if (data)
510 		YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
511 
512 	for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
513 		if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
514 			return 0;
515 		delay(1);
516 	}
517 
518 	return 1;
519 }
520 
521 int
522 yds_match(struct device *parent, void *match, void *aux)
523 {
524 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
525 
526 	switch (PCI_VENDOR(pa->pa_id)) {
527 	case PCI_VENDOR_YAMAHA:
528 		switch (PCI_PRODUCT(pa->pa_id)) {
529 		case PCI_PRODUCT_YAMAHA_YMF724:
530 		case PCI_PRODUCT_YAMAHA_YMF740:
531 		case PCI_PRODUCT_YAMAHA_YMF740C:
532 		case PCI_PRODUCT_YAMAHA_YMF724F:
533 		case PCI_PRODUCT_YAMAHA_YMF744:
534 		case PCI_PRODUCT_YAMAHA_YMF754:
535 		/* 734, 737, 738?? */
536 			return (1);
537 		}
538 		break;
539 	}
540 
541 	return (0);
542 }
543 
544 /*
545  * This routine is called after all the ISA devices are configured,
546  * to avoid conflict.
547  */
548 static void
549 yds_configure_legacy(struct yds_softc *sc)
550 #define FLEXIBLE	(sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
551 #define SELECTABLE	(sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
552 {
553 	pcireg_t reg;
554 	struct device *dev;
555 	int i;
556 	bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
557 	bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
558 
559 	if (!FLEXIBLE && !SELECTABLE)
560 		return;
561 
562 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
563 	reg &= ~0x8133c03f;	/* these bits are out of interest */
564 	reg |= (YDS_PCI_EX_LEGACY_IMOD | YDS_PCI_LEGACY_FMEN |
565 		YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/);
566 	if (sc->sc_flags & YDS_CAP_LEGACY_SMOD_DISABLE)
567 		reg |= YDS_PCI_EX_LEGACY_SMOD_DISABLE;
568 	if (FLEXIBLE) {
569 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
570 		delay(100*1000);
571 	}
572 
573 	/* Look for OPL */
574 	dev = 0;
575 	for (i = 0; i < sizeof(opl_addrs) / sizeof (bus_addr_t); i++) {
576 		if (SELECTABLE) {
577 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
578 				       YDS_PCI_LEGACY, reg | (i << (0+16)));
579 			delay(100*1000);	/* wait 100ms */
580 		} else
581 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
582 				       YDS_PCI_FM_BA, opl_addrs[i]);
583 		if (bus_space_map(sc->sc_opl_iot,
584 				  opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
585 			struct audio_attach_args aa;
586 
587 			aa.type = AUDIODEV_TYPE_OPL;
588 			aa.hwif = aa.hdl = NULL;
589 			dev = config_found(&sc->sc_dev, &aa, audioprint);
590 			if (dev == 0)
591 				bus_space_unmap(sc->sc_opl_iot,
592 						sc->sc_opl_ioh, 4);
593 			else {
594 				if (SELECTABLE)
595 					reg |= (i << (0+16));
596 				break;
597 			}
598 		}
599 	}
600 	if (dev == 0) {
601 		reg &= ~YDS_PCI_LEGACY_FMEN;
602 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
603 			       YDS_PCI_LEGACY, reg);
604 	} else {
605 		/* Max. volume */
606 		YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
607 		YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
608 	}
609 
610 	/* Look for MPU */
611 	dev = 0;
612 	for (i = 0; i < sizeof(mpu_addrs) / sizeof (bus_addr_t); i++) {
613 		if (SELECTABLE)
614 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
615 				       YDS_PCI_LEGACY, reg | (i << (4+16)));
616 		else
617 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
618 				       YDS_PCI_MPU_BA, mpu_addrs[i]);
619 		if (bus_space_map(sc->sc_mpu_iot,
620 				  mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
621 			struct audio_attach_args aa;
622 
623 			aa.type = AUDIODEV_TYPE_MPU;
624 			aa.hwif = aa.hdl = NULL;
625 			dev = config_found(&sc->sc_dev, &aa, audioprint);
626 			if (dev == 0)
627 				bus_space_unmap(sc->sc_mpu_iot,
628 						sc->sc_mpu_ioh, 2);
629 			else {
630 				if (SELECTABLE)
631 					reg |= (i << (4+16));
632 				break;
633 			}
634 		}
635 	}
636 	if (dev == 0) {
637 		reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
638 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
639 			       YDS_PCI_LEGACY, reg);
640 	}
641 	sc->sc_mpu = dev;
642 }
643 #undef FLEXIBLE
644 #undef SELECTABLE
645 
646 void
647 yds_attach(struct device *parent, struct device *self, void *aux)
648 {
649 	struct yds_softc *sc = (struct yds_softc *)self;
650 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
651 	pci_chipset_tag_t pc = pa->pa_pc;
652 	char const *intrstr;
653 	pci_intr_handle_t ih;
654 	bus_size_t size;
655 	pcireg_t reg;
656 	int i;
657 
658 	/* Map register to memory */
659 	if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
660 	    &sc->memt, &sc->memh, NULL, &size, 0)) {
661 		printf(": can't map mem space\n");
662 		return;
663 	}
664 
665 	/* Map and establish the interrupt. */
666 	if (pci_intr_map(pa, &ih)) {
667 		printf(": couldn't map interrupt\n");
668 		bus_space_unmap(sc->memt, sc->memh, size);
669 		return;
670 	}
671 	intrstr = pci_intr_string(pc, ih);
672 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE,
673 	    yds_intr, sc, self->dv_xname);
674 	if (sc->sc_ih == NULL) {
675 		printf(": couldn't establish interrupt");
676 		if (intrstr != NULL)
677 			printf(" at %s", intrstr);
678 		printf("\n");
679 		bus_space_unmap(sc->memt, sc->memh, size);
680 		return;
681 	}
682 	printf(": %s\n", intrstr);
683 
684 	sc->sc_dmatag = pa->pa_dmat;
685 	sc->sc_pc = pc;
686 	sc->sc_pcitag = pa->pa_tag;
687 	sc->sc_id = pa->pa_id;
688 	sc->sc_revision = PCI_REVISION(pa->pa_class);
689 	sc->sc_flags = yds_get_dstype(sc->sc_id);
690 	if (sc->sc_dev.dv_cfdata->cf_flags & YDS_CAP_LEGACY_SMOD_DISABLE)
691 		sc->sc_flags |= YDS_CAP_LEGACY_SMOD_DISABLE;
692 #ifdef AUDIO_DEBUG
693 	if (ydsdebug)
694 		printf("%s: chip has %b\n", sc->sc_dev.dv_xname,
695 		    sc->sc_flags, YDS_CAP_BITS);
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 	/* Mute all volumes */
704 	for (i = 0x80; i < 0xc0; i += 2)
705 		YWRITE2(sc, i, 0);
706 
707 	sc->sc_legacy_iot = pa->pa_iot;
708 	config_mountroot(self, yds_attachhook);
709 }
710 
711 void
712 yds_attachhook(struct device *self)
713 {
714 	struct yds_softc *sc = (struct yds_softc *)self;
715 	struct yds_codec_softc *codec;
716 	mixer_ctrl_t ctl;
717 	int r, i;
718 
719 	/* Initialize the device */
720 	if (yds_init(sc, 0) == -1)
721 		return;
722 
723 	/*
724 	 * Attach ac97 codec
725 	 */
726 	for (i = 0; i < 2; i++) {
727 		static struct {
728 			int data;
729 			int addr;
730 		} statregs[] = {
731 			{AC97_STAT_DATA1, AC97_STAT_ADDR1},
732 			{AC97_STAT_DATA2, AC97_STAT_ADDR2},
733 		};
734 
735 		if (i == 1 && ac97_id2 == -1)
736 			break;		/* secondary ac97 not available */
737 
738 		codec = &sc->sc_codec[i];
739 		memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
740 		codec->sc = sc;
741 		codec->id = i == 1 ? ac97_id2 : 0;
742 		codec->status_data = statregs[i].data;
743 		codec->status_addr = statregs[i].addr;
744 		codec->host_if.arg = codec;
745 		codec->host_if.attach = yds_attach_codec;
746 		codec->host_if.read = yds_read_codec;
747 		codec->host_if.write = yds_write_codec;
748 		codec->host_if.reset = yds_reset_codec;
749 
750 		if ((r = ac97_attach(&codec->host_if)) != 0) {
751 			printf("%s: can't attach codec (error 0x%X)\n",
752 				sc->sc_dev.dv_xname, r);
753 			return;
754 		}
755 	}
756 
757 	/* Just enable the DAC and master volumes by default */
758 	ctl.type = AUDIO_MIXER_ENUM;
759 	ctl.un.ord = 0;  /* off */
760 	ctl.dev = yds_get_portnum_by_name(sc, AudioCoutputs,
761 	       AudioNmaster, AudioNmute);
762 	yds_mixer_set_port(sc, &ctl);
763 	ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
764 	       AudioNdac, AudioNmute);
765 	yds_mixer_set_port(sc, &ctl);
766 	ctl.dev = yds_get_portnum_by_name(sc, AudioCinputs,
767 	       AudioNcd, AudioNmute);
768 	yds_mixer_set_port(sc, &ctl);
769 	ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
770 	       AudioNvolume, AudioNmute);
771 	yds_mixer_set_port(sc, &ctl);
772 
773 	ctl.dev = yds_get_portnum_by_name(sc, AudioCrecord,
774 	       AudioNsource, NULL);
775 	ctl.type = AUDIO_MIXER_ENUM;
776 	ctl.un.ord = 0;
777 	yds_mixer_set_port(sc, &ctl);
778 
779 	/* Set a reasonable default volume */
780 	ctl.type = AUDIO_MIXER_VALUE;
781 	ctl.un.value.num_channels = 2;
782 	ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
783 	ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 127;
784 
785 	ctl.dev = sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
786 		sc->sc_codec[0].codec_if, AudioCoutputs, AudioNmaster, NULL);
787 	yds_mixer_set_port(sc, &ctl);
788 
789 	audio_attach_mi(&yds_hw_if, sc, &sc->sc_dev);
790 
791 	/* Watch for power changes */
792 	sc->suspend = DVACT_RESUME;
793 	yds_configure_legacy(sc);
794 }
795 
796 int
797 yds_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
798 {
799 	struct yds_codec_softc *sc = sc_;
800 
801 	sc->codec_if = codec_if;
802 	return 0;
803 }
804 
805 static int
806 yds_ready_codec(struct yds_codec_softc *sc)
807 {
808 	int to;
809 
810 	for (to = 0; to < AC97_TIMEOUT; to++) {
811 		if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
812 			return 0;
813 		delay(1);
814 	}
815 
816 	return 1;
817 }
818 
819 int
820 yds_read_codec(void *sc_, u_int8_t reg, u_int16_t *data)
821 {
822 	struct yds_codec_softc *sc = sc_;
823 
824 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
825 
826 	if (yds_ready_codec(sc)) {
827 		printf("%s: yds_read_codec timeout\n",
828 		       sc->sc->sc_dev.dv_xname);
829 		return EIO;
830 	}
831 
832 	if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744 &&
833 	    sc->sc->sc_revision < 2) {
834 		int i;
835 
836 		for (i = 0; i < 600; i++)
837 			YREAD2(sc->sc, sc->status_data);
838 	}
839 	*data = YREAD2(sc->sc, sc->status_data);
840 
841 	return 0;
842 }
843 
844 int
845 yds_write_codec(void *sc_, u_int8_t reg, u_int16_t data)
846 {
847 	struct yds_codec_softc *sc = sc_;
848 
849 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
850 	YWRITE2(sc->sc, AC97_CMD_DATA, data);
851 
852 	if (yds_ready_codec(sc)) {
853 		printf("%s: yds_write_codec timeout\n",
854 			sc->sc->sc_dev.dv_xname);
855 		return EIO;
856 	}
857 
858 	return 0;
859 }
860 
861 /*
862  * XXX: Must handle the secondary differntly!!
863  */
864 void
865 yds_reset_codec(void *sc_)
866 {
867 	struct yds_codec_softc *codec = sc_;
868 	struct yds_softc *sc = codec->sc;
869 	pcireg_t reg;
870 
871 	/* reset AC97 codec */
872 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
873 	if (reg & 0x03) {
874 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
875 			       YDS_PCI_DSCTRL, reg & ~0x03);
876 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
877 			       YDS_PCI_DSCTRL, reg | 0x03);
878 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
879 			       YDS_PCI_DSCTRL, reg & ~0x03);
880 		delay(50000);
881 	}
882 
883 	yds_ready_codec(sc_);
884 }
885 
886 int
887 yds_intr(void *p)
888 {
889 	struct yds_softc *sc = p;
890 	u_int status;
891 
892 	mtx_enter(&audio_lock);
893 	status = YREAD4(sc, YDS_STATUS);
894 	DPRINTFN(1, ("yds_intr: status=%08x\n", status));
895 	if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
896 #if 0
897 		if (sc->sc_mpu)
898 			return mpu_intr(sc->sc_mpu);
899 #endif
900 		mtx_leave(&audio_lock);
901 		return 0;
902 	}
903 
904 	if (status & YDS_STAT_TINT) {
905 		YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
906 		printf ("yds_intr: timeout!\n");
907 	}
908 
909 	if (status & YDS_STAT_INT) {
910 		int nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
911 
912 		/* Clear interrupt flag */
913 		YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
914 
915 		/* Buffer for the next frame is always ready. */
916 		YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
917 
918 		if (sc->sc_play.intr) {
919 			u_int dma, cpu, blk, len;
920 
921 			/* Sync play slot control data */
922 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
923 					sc->pbankoff,
924 					sizeof(struct play_slot_ctrl_bank)*
925 					    (*sc->ptbl)*
926 					    N_PLAY_SLOT_CTRL_BANK,
927 					BUS_DMASYNC_POSTWRITE|
928 					BUS_DMASYNC_POSTREAD);
929 			dma = sc->pbankp[nbank]->pgstart;
930 			cpu = sc->sc_play.offset;
931 			blk = sc->sc_play.blksize;
932 			len = sc->sc_play.length;
933 
934 			if (((dma > cpu) && (dma - cpu > blk * 2)) ||
935 			    ((cpu > dma) && (dma + len - cpu > blk * 2))) {
936 				/* We can fill the next block */
937 				/* Sync ring buffer for previous write */
938 				bus_dmamap_sync(sc->sc_dmatag,
939 						sc->sc_play.dma->map,
940 						cpu, blk,
941 						BUS_DMASYNC_POSTWRITE);
942 				sc->sc_play.intr(sc->sc_play.intr_arg);
943 				sc->sc_play.offset += blk;
944 				if (sc->sc_play.offset >= len) {
945 					sc->sc_play.offset -= len;
946 #ifdef DIAGNOSTIC
947 					if (sc->sc_play.offset != 0)
948 						printf ("Audio ringbuffer botch\n");
949 #endif
950 				}
951 				/* Sync ring buffer for next write */
952 				bus_dmamap_sync(sc->sc_dmatag,
953 						sc->sc_play.dma->map,
954 						cpu, blk,
955 						BUS_DMASYNC_PREWRITE);
956 			}
957 		}
958 		if (sc->sc_rec.intr) {
959 			u_int dma, cpu, blk, len;
960 
961 			/* Sync rec slot control data */
962 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
963 					sc->rbankoff,
964 					sizeof(struct rec_slot_ctrl_bank)*
965 					    N_REC_SLOT_CTRL*
966 					    N_REC_SLOT_CTRL_BANK,
967 					BUS_DMASYNC_POSTWRITE|
968 					BUS_DMASYNC_POSTREAD);
969 			dma = sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr;
970 			cpu = sc->sc_rec.offset;
971 			blk = sc->sc_rec.blksize;
972 			len = sc->sc_rec.length;
973 
974 			if (((dma > cpu) && (dma - cpu > blk * 2)) ||
975 			    ((cpu > dma) && (dma + len - cpu > blk * 2))) {
976 				/* We can drain the current block */
977 				/* Sync ring buffer first */
978 				bus_dmamap_sync(sc->sc_dmatag,
979 						sc->sc_rec.dma->map,
980 						cpu, blk,
981 						BUS_DMASYNC_POSTREAD);
982 				sc->sc_rec.intr(sc->sc_rec.intr_arg);
983 				sc->sc_rec.offset += blk;
984 				if (sc->sc_rec.offset >= len) {
985 					sc->sc_rec.offset -= len;
986 #ifdef DIAGNOSTIC
987 					if (sc->sc_rec.offset != 0)
988 						printf ("Audio ringbuffer botch\n");
989 #endif
990 				}
991 				/* Sync ring buffer for next read */
992 				bus_dmamap_sync(sc->sc_dmatag,
993 						sc->sc_rec.dma->map,
994 						cpu, blk,
995 						BUS_DMASYNC_PREREAD);
996 			}
997 		}
998 	}
999 	mtx_leave(&audio_lock);
1000 	return 1;
1001 }
1002 
1003 int
1004 yds_allocmem(struct yds_softc *sc, size_t size, size_t align, struct yds_dma *p)
1005 {
1006 	int error;
1007 
1008 	p->size = size;
1009 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
1010 				 p->segs, nitems(p->segs),
1011 				 &p->nsegs, BUS_DMA_NOWAIT);
1012 	if (error)
1013 		return (error);
1014 
1015 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
1016 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
1017 	if (error)
1018 		goto free;
1019 
1020 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
1021 				  0, BUS_DMA_NOWAIT, &p->map);
1022 	if (error)
1023 		goto unmap;
1024 
1025 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
1026 				BUS_DMA_NOWAIT);
1027 	if (error)
1028 		goto destroy;
1029 	return (0);
1030 
1031 destroy:
1032 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1033 unmap:
1034 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1035 free:
1036 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1037 	return (error);
1038 }
1039 
1040 int
1041 yds_freemem(struct yds_softc *sc, struct yds_dma *p)
1042 {
1043 	bus_dmamap_unload(sc->sc_dmatag, p->map);
1044 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1045 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1046 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1047 	return 0;
1048 }
1049 
1050 int
1051 yds_open(void *addr, int flags)
1052 {
1053 	struct yds_softc *sc = addr;
1054 	int mode;
1055 
1056 	/* Select bank 0. */
1057 	YWRITE4(sc, YDS_CONTROL_SELECT, 0);
1058 
1059 	/* Start the DSP operation. */
1060 	mode = YREAD4(sc, YDS_MODE);
1061 	mode |= YDS_MODE_ACTV;
1062 	mode &= ~YDS_MODE_ACTV2;
1063 	YWRITE4(sc, YDS_MODE, mode);
1064 
1065 	return 0;
1066 }
1067 
1068 /*
1069  * Close function is called at splaudio().
1070  */
1071 void
1072 yds_close(void *addr)
1073 {
1074 	struct yds_softc *sc = addr;
1075 
1076 	yds_halt_output(sc);
1077 	yds_halt_input(sc);
1078 	yds_halt(sc);
1079 }
1080 
1081 int
1082 yds_set_params(void *addr, int setmode, int usemode,
1083     struct audio_params *play, struct audio_params *rec)
1084 {
1085 	struct audio_params *p;
1086 	int mode;
1087 
1088 	for (mode = AUMODE_RECORD; mode != -1;
1089 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1090 		if ((setmode & mode) == 0)
1091 			continue;
1092 
1093 		p = mode == AUMODE_PLAY ? play : rec;
1094 
1095 		if (p->sample_rate < 4000)
1096 			p->sample_rate = 4000;
1097 		if (p->sample_rate > 48000)
1098 			p->sample_rate = 48000;
1099 		if (p->precision > 16)
1100 			p->precision = 16;
1101 		if (p->channels > 2)
1102 			p->channels = 2;
1103 
1104 		switch (p->encoding) {
1105 		case AUDIO_ENCODING_SLINEAR_LE:
1106 			if (p->precision != 16)
1107 				return EINVAL;
1108 			break;
1109 		case AUDIO_ENCODING_ULINEAR_LE:
1110 		case AUDIO_ENCODING_ULINEAR_BE:
1111 			if (p->precision != 8)
1112 				return EINVAL;
1113 			break;
1114 		default:
1115 			return (EINVAL);
1116 		}
1117 		p->bps = AUDIO_BPS(p->precision);
1118 		p->msb = 1;
1119 	}
1120 
1121 	return 0;
1122 }
1123 
1124 int
1125 yds_round_blocksize(void *addr, int blk)
1126 {
1127 	/*
1128 	 * Block size must be bigger than a frame.
1129 	 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
1130 	 */
1131 	if (blk < 1024)
1132 		blk = 1024;
1133 
1134 	return blk & ~4;
1135 }
1136 
1137 static u_int32_t
1138 yds_get_lpfq(u_int sample_rate)
1139 {
1140 	int i;
1141 	static struct lpfqt {
1142 		u_int rate;
1143 		u_int32_t lpfq;
1144 	} lpfqt[] = {
1145 		{8000,  0x32020000},
1146 		{11025, 0x31770000},
1147 		{16000, 0x31390000},
1148 		{22050, 0x31c90000},
1149 		{32000, 0x33d00000},
1150 		{48000, 0x40000000},
1151 		{0, 0}
1152 	};
1153 
1154 	if (sample_rate == 44100)		/* for P44 slot? */
1155 		return 0x370A0000;
1156 
1157 	for (i = 0; lpfqt[i].rate != 0; i++)
1158 		if (sample_rate <= lpfqt[i].rate)
1159 			break;
1160 
1161 	return lpfqt[i].lpfq;
1162 }
1163 
1164 static u_int32_t
1165 yds_get_lpfk(u_int sample_rate)
1166 {
1167 	int i;
1168 	static struct lpfkt {
1169 		u_int rate;
1170 		u_int32_t lpfk;
1171 	} lpfkt[] = {
1172 		{8000,  0x18b20000},
1173 		{11025, 0x20930000},
1174 		{16000, 0x2b9a0000},
1175 		{22050, 0x35a10000},
1176 		{32000, 0x3eaa0000},
1177 		{48000, 0x40000000},
1178 		{0, 0}
1179 	};
1180 
1181 	if (sample_rate == 44100)		/* for P44 slot? */
1182 		return 0x46460000;
1183 
1184 	for (i = 0; lpfkt[i].rate != 0; i++)
1185 		if (sample_rate <= lpfkt[i].rate)
1186 			break;
1187 
1188 	return lpfkt[i].lpfk;
1189 }
1190 
1191 int
1192 yds_trigger_output(void *addr, void *start, void *end, int blksize,
1193     void (*intr)(void *), void *arg, struct audio_params *param)
1194 #define P44		(sc->sc_flags & YDS_CAP_HAS_P44)
1195 {
1196 	struct yds_softc *sc = addr;
1197 	struct yds_dma *p;
1198 	struct play_slot_ctrl_bank *psb;
1199 	const u_int gain = 0x40000000;
1200 	bus_addr_t s;
1201 	size_t l;
1202 	int i;
1203 	int p44, channels;
1204 
1205 	mtx_enter(&audio_lock);
1206 #ifdef DIAGNOSTIC
1207 	if (sc->sc_play.intr)
1208 		panic("yds_trigger_output: already running");
1209 #endif
1210 	sc->sc_play.intr = intr;
1211 	sc->sc_play.intr_arg = arg;
1212 	sc->sc_play.offset = 0;
1213 	sc->sc_play.blksize = blksize;
1214 
1215 	DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
1216 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1217 
1218 	p = yds_find_dma(sc, start);
1219 	if (!p) {
1220 		printf("yds_trigger_output: bad addr %p\n", start);
1221 		mtx_leave(&audio_lock);
1222 		return (EINVAL);
1223 	}
1224 	sc->sc_play.dma = p;
1225 
1226 #ifdef DIAGNOSTIC
1227 	{
1228 		u_int32_t ctrlsize;
1229 		if ((ctrlsize = YREAD4(sc, YDS_PLAY_CTRLSIZE)) !=
1230 		    sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t))
1231 			panic("%s: invalid play slot ctrldata %d %zd",
1232 			      sc->sc_dev.dv_xname, ctrlsize,
1233 			      sizeof(struct play_slot_ctrl_bank));
1234 	}
1235 #endif
1236 
1237 #ifdef YDS_USE_P44
1238 	/* The document says the P44 SRC supports only stereo, 16bit PCM. */
1239 	if (P44)
1240 		p44 = ((param->sample_rate == 44100) &&
1241 		       (param->channels == 2) &&
1242 		       (param->precision == 16));
1243 	else
1244 #endif
1245 		p44 = 0;
1246 	channels = p44 ? 1 : param->channels;
1247 
1248 	s = DMAADDR(p);
1249 	l = ((char *)end - (char *)start);
1250 	sc->sc_play.length = l;
1251 
1252 	*sc->ptbl = channels;	/* Num of play */
1253 
1254 	psb = sc->pbankp[0];
1255 	memset(psb, 0, sizeof(*psb));
1256 	psb->format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
1257 		       (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
1258 		       (p44 ? PSLT_FORMAT_SRC441 : 0));
1259 	psb->pgbase = s;
1260 	psb->pgloopend = l;
1261 	if (!p44) {
1262 		psb->pgdeltaend = (param->sample_rate * 65536 / 48000) << 12;
1263 		psb->lpfkend = yds_get_lpfk(param->sample_rate);
1264 		psb->eggainend = gain;
1265 		psb->lpfq = yds_get_lpfq(param->sample_rate);
1266 		psb->pgdelta = psb->pgdeltaend;
1267 		psb->lpfk = yds_get_lpfk(param->sample_rate);
1268 		psb->eggain = gain;
1269 	}
1270 
1271 	for (i = 0; i < channels; i++) {
1272 		/* i == 0: left or mono, i == 1: right */
1273 		psb = sc->pbankp[i*2];
1274 		if (i)
1275 			/* copy from left */
1276 			*psb = *(sc->pbankp[0]);
1277 		if (channels == 2) {
1278 			/* stereo */
1279 			if (i == 0) {
1280 				psb->lchgain = psb->lchgainend = gain;
1281 			} else {
1282 				psb->lchgain = psb->lchgainend = 0;
1283 				psb->rchgain = psb->rchgainend = gain;
1284 				psb->format |= PSLT_FORMAT_RCH;
1285 			}
1286 		} else if (!p44) {
1287 			/* mono */
1288 			psb->lchgain = psb->rchgain = gain;
1289 			psb->lchgainend = psb->rchgainend = gain;
1290 		}
1291 		/* copy to the other bank */
1292 		*(sc->pbankp[i*2+1]) = *psb;
1293 	}
1294 
1295 	YDS_DUMP_PLAY_SLOT(5, sc, 0);
1296 	YDS_DUMP_PLAY_SLOT(5, sc, 1);
1297 
1298 	if (p44)
1299 		YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
1300 	else
1301 		YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
1302 
1303 	/* Now the play slot for the next frame is set up!! */
1304 	/* Sync play slot control data for both directions */
1305 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1306 			sc->ptbloff,
1307 			sizeof(struct play_slot_ctrl_bank) *
1308 			    channels * N_PLAY_SLOT_CTRL_BANK,
1309 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1310 	/* Sync ring buffer */
1311 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1312 			BUS_DMASYNC_PREWRITE);
1313 	/* HERE WE GO!! */
1314 	YWRITE4(sc, YDS_MODE,
1315 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1316 	mtx_leave(&audio_lock);
1317 	return 0;
1318 }
1319 #undef P44
1320 
1321 int
1322 yds_trigger_input(void *addr, void *start, void *end, int blksize,
1323     void (*intr)(void *), void *arg, struct audio_params *param)
1324 {
1325 	struct yds_softc *sc = addr;
1326 	struct yds_dma *p;
1327 	u_int srate, format;
1328 	struct rec_slot_ctrl_bank *rsb;
1329 	bus_addr_t s;
1330 	size_t l;
1331 
1332 	mtx_enter(&audio_lock);
1333 #ifdef DIAGNOSTIC
1334 	if (sc->sc_rec.intr)
1335 		panic("yds_trigger_input: already running");
1336 #endif
1337 	sc->sc_rec.intr = intr;
1338 	sc->sc_rec.intr_arg = arg;
1339 	sc->sc_rec.offset = 0;
1340 	sc->sc_rec.blksize = blksize;
1341 
1342 	DPRINTFN(1, ("yds_trigger_input: "
1343 	    "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1344 	    addr, start, end, blksize, intr, arg));
1345 	DPRINTFN(1, (" parameters: rate=%lu, precision=%u, channels=%u\n",
1346 	    param->sample_rate, param->precision, param->channels));
1347 
1348 	p = yds_find_dma(sc, start);
1349 	if (!p) {
1350 		printf("yds_trigger_input: bad addr %p\n", start);
1351 		mtx_leave(&audio_lock);
1352 		return (EINVAL);
1353 	}
1354 	sc->sc_rec.dma = p;
1355 
1356 	s = DMAADDR(p);
1357 	l = ((char *)end - (char *)start);
1358 	sc->sc_rec.length = l;
1359 
1360 	rsb = &sc->rbank[0];
1361 	memset(rsb, 0, sizeof(*rsb));
1362 	rsb->pgbase = s;
1363 	rsb->pgloopendadr = l;
1364 	/* Seems all 4 banks must be set up... */
1365 	sc->rbank[1] = *rsb;
1366 	sc->rbank[2] = *rsb;
1367 	sc->rbank[3] = *rsb;
1368 
1369 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
1370 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
1371 	srate = 48000 * 4096 / param->sample_rate - 1;
1372 	format = ((param->precision == 8 ? YDS_FORMAT_8BIT : 0) |
1373 		  (param->channels == 2 ? YDS_FORMAT_STEREO : 0));
1374 	DPRINTF(("srate=%d, format=%08x\n", srate, format));
1375 #ifdef YDS_USE_REC_SLOT
1376 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
1377 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
1378 	YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
1379 	YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
1380 	YWRITE4(sc, YDS_REC_FORMAT, format);
1381 #else
1382 	YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
1383 	YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
1384 	YWRITE4(sc, YDS_ADC_FORMAT, format);
1385 #endif
1386 	/* Now the rec slot for the next frame is set up!! */
1387 	/* Sync record slot control data */
1388 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1389 			sc->rbankoff,
1390 			sizeof(struct rec_slot_ctrl_bank)*
1391 			    N_REC_SLOT_CTRL*
1392 			    N_REC_SLOT_CTRL_BANK,
1393 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
1394 	/* Sync ring buffer */
1395 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
1396 			BUS_DMASYNC_PREREAD);
1397 	/* HERE WE GO!! */
1398 	YWRITE4(sc, YDS_MODE,
1399 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
1400 	mtx_leave(&audio_lock);
1401 	return 0;
1402 }
1403 
1404 static int
1405 yds_halt(struct yds_softc *sc)
1406 {
1407 	u_int32_t mode;
1408 
1409 	/* Stop the DSP operation. */
1410 	mode = YREAD4(sc, YDS_MODE);
1411 	YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
1412 
1413 	/* Paranoia...  mute all */
1414 	YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
1415 	YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
1416 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
1417 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
1418 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
1419 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
1420 
1421 	return 0;
1422 }
1423 
1424 int
1425 yds_halt_output(void *addr)
1426 {
1427 	struct yds_softc *sc = addr;
1428 
1429 	DPRINTF(("yds: yds_halt_output\n"));
1430 	mtx_enter(&audio_lock);
1431 	if (sc->sc_play.intr) {
1432 		sc->sc_play.intr = 0;
1433 		/* Sync play slot control data */
1434 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1435 				sc->pbankoff,
1436 				sizeof(struct play_slot_ctrl_bank)*
1437 				    (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
1438 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1439 		/* Stop the play slot operation */
1440 		sc->pbankp[0]->status =
1441 		sc->pbankp[1]->status =
1442 		sc->pbankp[2]->status =
1443 		sc->pbankp[3]->status = 1;
1444 		/* Sync ring buffer */
1445 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
1446 				0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
1447 	}
1448 	mtx_leave(&audio_lock);
1449 	return 0;
1450 }
1451 
1452 int
1453 yds_halt_input(void *addr)
1454 {
1455 	struct yds_softc *sc = addr;
1456 
1457 	DPRINTF(("yds: yds_halt_input\n"));
1458 	mtx_enter(&audio_lock);
1459 	if (sc->sc_rec.intr) {
1460 		/* Stop the rec slot operation */
1461 		YWRITE4(sc, YDS_MAPOF_REC, 0);
1462 		sc->sc_rec.intr = 0;
1463 		/* Sync rec slot control data */
1464 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
1465 				sc->rbankoff,
1466 				sizeof(struct rec_slot_ctrl_bank)*
1467 				    N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
1468 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
1469 		/* Sync ring buffer */
1470 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
1471 				0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
1472 	}
1473 	sc->sc_rec.intr = NULL;
1474 	mtx_leave(&audio_lock);
1475 	return 0;
1476 }
1477 
1478 int
1479 yds_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1480 {
1481 	struct yds_softc *sc = addr;
1482 
1483 	return (sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
1484 	    sc->sc_codec[0].codec_if, cp));
1485 }
1486 
1487 int
1488 yds_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1489 {
1490 	struct yds_softc *sc = addr;
1491 
1492 	return (sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
1493 	    sc->sc_codec[0].codec_if, cp));
1494 }
1495 
1496 int
1497 yds_query_devinfo(void *addr, mixer_devinfo_t *dip)
1498 {
1499 	struct yds_softc *sc = addr;
1500 
1501 	return (sc->sc_codec[0].codec_if->vtbl->query_devinfo(
1502 	    sc->sc_codec[0].codec_if, dip));
1503 }
1504 
1505 int
1506 yds_get_portnum_by_name(struct yds_softc *sc, char *class, char *device,
1507     char *qualifier)
1508 {
1509 	return (sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
1510 	    sc->sc_codec[0].codec_if, class, device, qualifier));
1511 }
1512 
1513 void *
1514 yds_malloc(void *addr, int direction, size_t size, int pool, int flags)
1515 {
1516 	struct yds_softc *sc = addr;
1517 	struct yds_dma *p;
1518 	int error;
1519 
1520 	p = malloc(sizeof(*p), pool, flags);
1521 	if (!p)
1522 		return (0);
1523 	error = yds_allocmem(sc, size, 16, p);
1524 	if (error) {
1525 		free(p, pool, sizeof *p);
1526 		return (0);
1527 	}
1528 	p->next = sc->sc_dmas;
1529 	sc->sc_dmas = p;
1530 	return (KERNADDR(p));
1531 }
1532 
1533 void
1534 yds_free(void *addr, void *ptr, int pool)
1535 {
1536 	struct yds_softc *sc = addr;
1537 	struct yds_dma **pp, *p;
1538 
1539 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1540 		if (KERNADDR(p) == ptr) {
1541 			yds_freemem(sc, p);
1542 			*pp = p->next;
1543 			free(p, pool, sizeof *p);
1544 			return;
1545 		}
1546 	}
1547 }
1548 
1549 static struct yds_dma *
1550 yds_find_dma(struct yds_softc *sc, void *addr)
1551 {
1552 	struct yds_dma *p;
1553 
1554 	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
1555 		;
1556 
1557 	return p;
1558 }
1559 
1560 size_t
1561 yds_round_buffersize(void *addr, int direction, size_t size)
1562 {
1563 	/*
1564 	 * Buffer size should be at least twice as bigger as a frame.
1565 	 */
1566 	if (size < 1024 * 3)
1567 		size = 1024 * 3;
1568 	return (size);
1569 }
1570 
1571 int
1572 yds_get_props(void *addr)
1573 {
1574 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1575 		AUDIO_PROP_FULLDUPLEX);
1576 }
1577 
1578 int
1579 yds_activate(struct device *self, int act)
1580 {
1581 	struct yds_softc *sc = (struct yds_softc *)self;
1582 	int rv = 0;
1583 
1584 	switch (act) {
1585 	case DVACT_QUIESCE:
1586 		if (sc->sc_play.intr || sc->sc_rec.intr)
1587 			sc->sc_resume_active = 1;
1588 		else
1589 			sc->sc_resume_active = 0;
1590 		rv = config_activate_children(self, act);
1591 		if (sc->sc_resume_active)
1592 			yds_close(sc);
1593 		break;
1594 	case DVACT_RESUME:
1595 		yds_halt(sc);
1596 		yds_init(sc, 1);
1597 		ac97_resume(&sc->sc_codec[0].host_if, sc->sc_codec[0].codec_if);
1598 		if (sc->sc_resume_active)
1599 			yds_open(sc, 0);
1600 		rv = config_activate_children(self, act);
1601 		break;
1602 	default:
1603 		rv = config_activate_children(self, act);
1604 		break;
1605 	}
1606 	return (rv);
1607 }
1608 
1609 int
1610 yds_init(struct yds_softc *sc, int resuming)
1611 {
1612 	u_int32_t reg;
1613 
1614 	pci_chipset_tag_t pc = sc->sc_pc;
1615 
1616 	int to;
1617 
1618 	DPRINTF(("in yds_init()\n"));
1619 
1620 	/* Download microcode */
1621 	if (!resuming) {
1622 		if (yds_download_mcode(sc)) {
1623 			printf("%s: download microcode failed\n", sc->sc_dev.dv_xname);
1624 			return -1;
1625 		}
1626 	}
1627 	/* Allocate DMA buffers */
1628 	if (yds_allocate_slots(sc, resuming)) {
1629 		printf("%s: could not allocate slots\n", sc->sc_dev.dv_xname);
1630 		return -1;
1631 	}
1632 
1633 	/* Warm reset */
1634 	reg = pci_conf_read(pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
1635 	pci_conf_write(pc, sc->sc_pcitag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_WRST);
1636 	delay(50000);
1637 
1638 	/*
1639 	 * Detect primary/secondary AC97
1640 	 *	YMF754 Hardware Specification Rev 1.01 page 24
1641 	 */
1642 	reg = pci_conf_read(pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
1643 	pci_conf_write(pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
1644 		reg & ~YDS_DSCTRL_CRST);
1645 	delay(400000);		/* Needed for 740C. */
1646 
1647 	/* Primary */
1648 	for (to = 0; to < AC97_TIMEOUT; to++) {
1649 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
1650 			break;
1651 		delay(1);
1652 	}
1653 	if (to == AC97_TIMEOUT) {
1654 		printf("%s: no AC97 available\n", sc->sc_dev.dv_xname);
1655 		return -1;
1656 	}
1657 
1658 	/* Secondary */
1659 	/* Secondary AC97 is used for 4ch audio. Currently unused. */
1660 	ac97_id2 = -1;
1661 	if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
1662 		goto detected;
1663 #if 0				/* reset secondary... */
1664 	YWRITE2(sc, YDS_GPIO_OCTRL,
1665 		YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
1666 	YWRITE2(sc, YDS_GPIO_FUNCE,
1667 		(YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
1668 #endif
1669 	for (to = 0; to < AC97_TIMEOUT; to++) {
1670 		if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
1671 			break;
1672 		delay(1);
1673 	}
1674 	if (to < AC97_TIMEOUT) {
1675 		/* detect id */
1676 		for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
1677 			YWRITE2(sc, AC97_CMD_ADDR,
1678 				AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
1679 
1680 			for (to = 0; to < AC97_TIMEOUT; to++) {
1681 				if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
1682 				    == 0)
1683 					goto detected;
1684 				delay(1);
1685 			}
1686 		}
1687 		if (ac97_id2 == 4)
1688 			ac97_id2 = -1;
1689 detected:
1690 		;
1691 	}
1692 
1693 	pci_conf_write(pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
1694 		reg | YDS_DSCTRL_CRST);
1695 	delay (20);
1696 	pci_conf_write(pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
1697 		reg & ~YDS_DSCTRL_CRST);
1698 	delay (400000);
1699 	for (to = 0; to < AC97_TIMEOUT; to++) {
1700 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
1701 			break;
1702 		delay(1);
1703 	}
1704 
1705 	DPRINTF(("out of yds_init()\n"));
1706 
1707 	return 0;
1708 }
1709