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awacs.c revision 1.3.2.4
      1 /*	$NetBSD: awacs.c,v 1.3.2.4 2001/03/22 02:32:01 he Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     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
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/param.h>
     30 #include <sys/audioio.h>
     31 #include <sys/device.h>
     32 #include <sys/malloc.h>
     33 #include <sys/systm.h>
     34 
     35 #include <dev/auconv.h>
     36 #include <dev/audio_if.h>
     37 #include <dev/mulaw.h>
     38 
     39 #include <vm/vm.h>
     40 #include <uvm/uvm_extern.h>
     41 
     42 #include <machine/autoconf.h>
     43 #include <machine/pio.h>
     44 #include <macppc/dev/dbdma.h>
     45 
     46 #ifdef AWACS_DEBUG
     47 # define DPRINTF printf
     48 #else
     49 # define DPRINTF while (0) printf
     50 #endif
     51 
     52 struct awacs_softc {
     53 	struct device sc_dev;
     54 
     55 	void (*sc_ointr)(void *);	/* dma completion intr handler */
     56 	void *sc_oarg;			/* arg for sc_ointr() */
     57 	int sc_opages;			/* # of output pages */
     58 
     59 	void (*sc_iintr)(void *);	/* dma completion intr handler */
     60 	void *sc_iarg;			/* arg for sc_iintr() */
     61 
     62 	u_int sc_record_source;		/* recording source mask */
     63 	u_int sc_output_mask;		/* output source mask */
     64 
     65 	char *sc_reg;
     66 	u_int sc_codecctl0;
     67 	u_int sc_codecctl1;
     68 	u_int sc_codecctl2;
     69 	u_int sc_codecctl4;
     70 	u_int sc_soundctl;
     71 
     72 	struct dbdma_regmap *sc_odma;
     73 	struct dbdma_regmap *sc_idma;
     74 	struct dbdma_command *sc_odmacmd;
     75 	struct dbdma_command *sc_idmacmd;
     76 };
     77 
     78 int awacs_match(struct device *, struct cfdata *, void *);
     79 void awacs_attach(struct device *, struct device *, void *);
     80 int awacs_intr(void *);
     81 
     82 int awacs_open(void *, int);
     83 void awacs_close(void *);
     84 int awacs_query_encoding(void *, struct audio_encoding *);
     85 int awacs_set_params(void *, int, int, struct audio_params *,
     86 			 struct audio_params *);
     87 int awacs_round_blocksize(void *, int);
     88 int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
     89 			     void *, struct audio_params *);
     90 int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
     91 			    void *, struct audio_params *);
     92 int awacs_halt_output(void *);
     93 int awacs_halt_input(void *);
     94 int awacs_getdev(void *, struct audio_device *);
     95 int awacs_set_port(void *, mixer_ctrl_t *);
     96 int awacs_get_port(void *, mixer_ctrl_t *);
     97 int awacs_query_devinfo(void *, mixer_devinfo_t *);
     98 size_t awacs_round_buffersize(void *, int, size_t);
     99 paddr_t awacs_mappage(void *, void *, off_t, int);
    100 int awacs_get_props(void *);
    101 
    102 static inline u_int awacs_read_reg(struct awacs_softc *, int);
    103 static inline void awacs_write_reg(struct awacs_softc *, int, int);
    104 void awacs_write_codec(struct awacs_softc *, int);
    105 void awacs_set_speaker_volume(struct awacs_softc *, int, int);
    106 void awacs_set_ext_volume(struct awacs_softc *, int, int);
    107 int awacs_set_rate(struct awacs_softc *, int);
    108 
    109 struct cfattach awacs_ca = {
    110 	sizeof(struct awacs_softc), awacs_match, awacs_attach
    111 };
    112 
    113 struct audio_hw_if awacs_hw_if = {
    114 	awacs_open,
    115 	awacs_close,
    116 	NULL,
    117 	awacs_query_encoding,
    118 	awacs_set_params,
    119 	awacs_round_blocksize,
    120 	NULL,
    121 	NULL,
    122 	NULL,
    123 	NULL,
    124 	NULL,
    125 	awacs_halt_output,
    126 	awacs_halt_input,
    127 	NULL,
    128 	awacs_getdev,
    129 	NULL,
    130 	awacs_set_port,
    131 	awacs_get_port,
    132 	awacs_query_devinfo,
    133 	NULL,
    134 	NULL,
    135 	awacs_round_buffersize,
    136 	awacs_mappage,
    137 	awacs_get_props,
    138 	awacs_trigger_output,
    139 	awacs_trigger_input,
    140 };
    141 
    142 struct audio_device awacs_device = {
    143 	"AWACS",
    144 	"",
    145 	"awacs"
    146 };
    147 
    148 /* register offset */
    149 #define AWACS_SOUND_CTRL	0x00
    150 #define AWACS_CODEC_CTRL	0x10
    151 #define AWACS_CODEC_STATUS	0x20
    152 #define AWACS_CLIP_COUNT	0x30
    153 #define AWACS_BYTE_SWAP		0x40
    154 
    155 /* sound control */
    156 #define AWACS_INPUT_SUBFRAME0	0x00000001
    157 #define AWACS_INPUT_SUBFRAME1	0x00000002
    158 #define AWACS_INPUT_SUBFRAME2	0x00000004
    159 #define AWACS_INPUT_SUBFRAME3	0x00000008
    160 
    161 #define AWACS_OUTPUT_SUBFRAME0	0x00000010
    162 #define AWACS_OUTPUT_SUBFRAME1	0x00000020
    163 #define AWACS_OUTPUT_SUBFRAME2	0x00000040
    164 #define AWACS_OUTPUT_SUBFRAME3	0x00000080
    165 
    166 #define AWACS_RATE_44100	0x00000000
    167 #define AWACS_RATE_29400	0x00000100
    168 #define AWACS_RATE_22050	0x00000200
    169 #define AWACS_RATE_17640	0x00000300
    170 #define AWACS_RATE_14700	0x00000400
    171 #define AWACS_RATE_11025	0x00000500
    172 #define AWACS_RATE_8820		0x00000600
    173 #define AWACS_RATE_7350		0x00000700
    174 #define AWACS_RATE_MASK		0x00000700
    175 
    176 /* codec control */
    177 #define AWACS_CODEC_ADDR0	0x00000000
    178 #define AWACS_CODEC_ADDR1	0x00001000
    179 #define AWACS_CODEC_ADDR2	0x00002000
    180 #define AWACS_CODEC_ADDR4	0x00004000
    181 #define AWACS_CODEC_EMSEL0	0x00000000
    182 #define AWACS_CODEC_EMSEL1	0x00400000
    183 #define AWACS_CODEC_EMSEL2	0x00800000
    184 #define AWACS_CODEC_EMSEL4	0x00c00000
    185 #define AWACS_CODEC_BUSY	0x01000000
    186 
    187 /* cc0 */
    188 #define AWACS_DEFAULT_CD_GAIN	0x000000bb
    189 #define AWACS_INPUT_CD		0x00000200
    190 #define AWACS_INPUT_MIC		0x00000400
    191 #define AWACS_INPUT_MASK	0x00000e00
    192 
    193 /* cc1 */
    194 #define AWACS_MUTE_SPEAKER	0x00000080
    195 #define AWACS_MUTE_HEADPHONE	0x00000200
    196 
    197 int
    198 awacs_match(parent, match, aux)
    199 	struct device *parent;
    200 	struct cfdata *match;
    201 	void *aux;
    202 {
    203 	struct confargs *ca = aux;
    204 
    205 	if (strcmp(ca->ca_name, "awacs") != 0 &&
    206 	    strcmp(ca->ca_name, "davbus") != 0)
    207 		return 0;
    208 
    209 	if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
    210 		return 0;
    211 
    212 	return 1;
    213 }
    214 
    215 void
    216 awacs_attach(parent, self, aux)
    217 	struct device *parent;
    218 	struct device *self;
    219 	void *aux;
    220 {
    221 	struct awacs_softc *sc = (struct awacs_softc *)self;
    222 	struct confargs *ca = aux;
    223 
    224 	ca->ca_reg[0] += ca->ca_baseaddr;
    225 	ca->ca_reg[2] += ca->ca_baseaddr;
    226 	ca->ca_reg[4] += ca->ca_baseaddr;
    227 
    228 	sc->sc_reg = mapiodev(ca->ca_reg[0], ca->ca_reg[1]);
    229 
    230 	sc->sc_odma = mapiodev(ca->ca_reg[2], ca->ca_reg[3]); /* out */
    231 	sc->sc_idma = mapiodev(ca->ca_reg[4], ca->ca_reg[5]); /* in */
    232 	sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
    233 	sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
    234 
    235 	intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_AUDIO, awacs_intr, sc);
    236 	intr_establish(ca->ca_intr[1], IST_LEVEL, IPL_AUDIO, awacs_intr, sc);
    237 	intr_establish(ca->ca_intr[2], IST_LEVEL, IPL_AUDIO, awacs_intr, sc);
    238 
    239 	printf(": irq %d,%d,%d\n",
    240 		ca->ca_intr[0], ca->ca_intr[1], ca->ca_intr[2]);
    241 
    242 	sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
    243 		AWACS_RATE_44100;
    244 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
    245 
    246 	sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
    247 	sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
    248 	sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
    249 	sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
    250 
    251 	sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
    252 	awacs_write_codec(sc, sc->sc_codecctl0);
    253 
    254 	/* Set initial volume[s] */
    255 	awacs_set_speaker_volume(sc, 80, 80);
    256 
    257 	/* Set loopback (for CD?) */
    258 	sc->sc_codecctl1 |= 0x440;
    259 	awacs_write_codec(sc, sc->sc_codecctl1);
    260 
    261 	sc->sc_output_mask = 1 << 0;
    262 
    263 	sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
    264 	sc->sc_codecctl1 |= AWACS_MUTE_HEADPHONE;
    265 	awacs_write_codec(sc, sc->sc_codecctl1);
    266 
    267 	/* Enable interrupts and looping mode. */
    268 	/* XXX ... */
    269 
    270 	audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
    271 }
    272 
    273 u_int
    274 awacs_read_reg(sc, reg)
    275 	struct awacs_softc *sc;
    276 	int reg;
    277 {
    278 	char *addr = sc->sc_reg;
    279 
    280 	return in32rb(addr + reg);
    281 }
    282 
    283 void
    284 awacs_write_reg(sc, reg, val)
    285 	struct awacs_softc *sc;
    286 	int reg, val;
    287 {
    288 	char *addr = sc->sc_reg;
    289 
    290 	out32rb(addr + reg, val);
    291 }
    292 
    293 void
    294 awacs_write_codec(sc, value)
    295 	struct awacs_softc *sc;
    296 	int value;
    297 {
    298 	awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
    299 	while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
    300 }
    301 
    302 int
    303 awacs_intr(v)
    304 	void *v;
    305 {
    306 	struct awacs_softc *sc = v;
    307 	struct dbdma_command *cmd = sc->sc_odmacmd;
    308 	int count = sc->sc_opages;
    309 	int status;
    310 
    311 	/* Fill used buffer(s). */
    312 	while (count-- > 0) {
    313 		/* if DBDMA_INT_ALWAYS */
    314 		if (in16rb(&cmd->d_command) & 0x30) {	/* XXX */
    315 			status = in16rb(&cmd->d_status);
    316 			cmd->d_status = 0;
    317 			if (status)	/* status == 0x8400 */
    318 				if (sc->sc_ointr)
    319 					(*sc->sc_ointr)(sc->sc_oarg);
    320 		}
    321 		cmd++;
    322 	}
    323 
    324 	return 1;
    325 }
    326 
    327 int
    328 awacs_open(h, flags)
    329 	void *h;
    330 	int flags;
    331 {
    332 	return 0;
    333 }
    334 
    335 /*
    336  * Close function is called at splaudio().
    337  */
    338 void
    339 awacs_close(h)
    340 	void *h;
    341 {
    342 	struct awacs_softc *sc = h;
    343 
    344 	awacs_halt_output(sc);
    345 	awacs_halt_input(sc);
    346 
    347 	sc->sc_ointr = 0;
    348 	sc->sc_iintr = 0;
    349 }
    350 
    351 int
    352 awacs_query_encoding(h, ae)
    353 	void *h;
    354 	struct audio_encoding *ae;
    355 {
    356 	switch (ae->index) {
    357 	case 0:
    358 		strcpy(ae->name, AudioEslinear);
    359 		ae->encoding = AUDIO_ENCODING_SLINEAR;
    360 		ae->precision = 16;
    361 		ae->flags = 0;
    362 		return 0;
    363 	case 1:
    364 		strcpy(ae->name, AudioEslinear_be);
    365 		ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
    366 		ae->precision = 16;
    367 		ae->flags = 0;
    368 		return 0;
    369 	case 2:
    370 		strcpy(ae->name, AudioEslinear_le);
    371 		ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
    372 		ae->precision = 16;
    373 		ae->flags = 0;
    374 		return 0;
    375 	case 3:
    376 		strcpy(ae->name, AudioEulinear_be);
    377 		ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
    378 		ae->precision = 16;
    379 		ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
    380 		return 0;
    381 	case 4:
    382 		strcpy(ae->name, AudioEulinear_le);
    383 		ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
    384 		ae->precision = 16;
    385 		ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
    386 		return 0;
    387 	case 5:
    388 		strcpy(ae->name, AudioEmulaw);
    389 		ae->encoding = AUDIO_ENCODING_ULAW;
    390 		ae->precision = 8;
    391 		ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
    392 		return 0;
    393 	case 6:
    394 		strcpy(ae->name, AudioEalaw);
    395 		ae->encoding = AUDIO_ENCODING_ALAW;
    396 		ae->precision = 8;
    397 		ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
    398 		return 0;
    399 	default:
    400 		return EINVAL;
    401 	}
    402 }
    403 
    404 static void
    405 mono16_to_stereo16(v, p, cc)
    406 	void *v;
    407 	u_char *p;
    408 	int cc;
    409 {
    410 	int x;
    411 	int16_t *src, *dst;
    412 
    413 	src = (void *)(p + cc);
    414 	dst = (void *)(p + cc * 2);
    415 	while (cc > 0) {
    416 		x = *--src;
    417 		*--dst = x;
    418 		*--dst = x;
    419 		cc -= 2;
    420 	}
    421 }
    422 
    423 int
    424 awacs_set_params(h, setmode, usemode, play, rec)
    425 	void *h;
    426 	int setmode, usemode;
    427 	struct audio_params *play, *rec;
    428 {
    429 	struct awacs_softc *sc = h;
    430 	struct audio_params *p;
    431 	int mode, rate;
    432 
    433 	/*
    434 	 * This device only has one clock, so make the sample rates match.
    435 	 */
    436 	if (play->sample_rate != rec->sample_rate &&
    437 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
    438 		if (setmode == AUMODE_PLAY) {
    439 			rec->sample_rate = play->sample_rate;
    440 			setmode |= AUMODE_RECORD;
    441 		} else if (setmode == AUMODE_RECORD) {
    442 			play->sample_rate = rec->sample_rate;
    443 			setmode |= AUMODE_PLAY;
    444 		} else
    445 			return EINVAL;
    446 	}
    447 
    448 	for (mode = AUMODE_RECORD; mode != -1;
    449 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    450 		if ((setmode & mode) == 0)
    451 			continue;
    452 
    453 		p = mode == AUMODE_PLAY ? play : rec;
    454 
    455 		if (p->sample_rate < 4000 || p->sample_rate > 50000 ||
    456 		    (p->precision != 8 && p->precision != 16) ||
    457 		    (p->channels != 1 && p->channels != 2))
    458 			return EINVAL;
    459 
    460 		p->factor = 1;
    461 		p->sw_code = 0;
    462 		awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
    463 
    464 		switch (p->encoding) {
    465 
    466 		case AUDIO_ENCODING_SLINEAR_LE:
    467 			awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
    468 		case AUDIO_ENCODING_SLINEAR_BE:
    469 			if (p->channels == 1) {
    470 				p->factor = 2;
    471 				p->sw_code = mono16_to_stereo16;
    472 				break;
    473 			}
    474 			if (p->precision != 16)
    475 				return EINVAL;
    476 				/* p->sw_code = change_sign8; */
    477 			break;
    478 
    479 		case AUDIO_ENCODING_ULINEAR_LE:
    480 			awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
    481 			if (p->channels == 2 && p->precision == 16)
    482 				p->sw_code = change_sign16_le;
    483 			else
    484 				return EINVAL;
    485 			break;
    486 
    487 		case AUDIO_ENCODING_ULINEAR_BE:
    488 			if (p->channels == 2 && p->precision == 16)
    489 				p->sw_code = change_sign16_be;
    490 			else
    491 				return EINVAL;
    492 			break;
    493 
    494 		case AUDIO_ENCODING_ULAW:
    495 			if (mode == AUMODE_PLAY) {
    496 				p->factor = 2;
    497 				p->sw_code = mulaw_to_slinear16_be;
    498 			} else
    499 				p->sw_code = ulinear8_to_mulaw;
    500 			break;
    501 
    502 		case AUDIO_ENCODING_ALAW:
    503 			if (mode == AUMODE_PLAY) {
    504 				p->factor = 2;
    505 				p->sw_code = alaw_to_slinear16_be;
    506 			} else
    507 				p->sw_code = ulinear8_to_alaw;
    508 			break;
    509 
    510 		default:
    511 			return EINVAL;
    512 		}
    513 	}
    514 
    515 	/* Set the speed */
    516 	rate = p->sample_rate;
    517 
    518 	if (awacs_set_rate(sc, rate))
    519 		return EINVAL;
    520 
    521 	return 0;
    522 }
    523 
    524 int
    525 awacs_round_blocksize(h, size)
    526 	void *h;
    527 	int size;
    528 {
    529 	if (size < NBPG)
    530 		size = NBPG;
    531 	return size & ~PGOFSET;
    532 }
    533 
    534 int
    535 awacs_halt_output(h)
    536 	void *h;
    537 {
    538 	struct awacs_softc *sc = h;
    539 
    540 	dbdma_stop(sc->sc_odma);
    541 	dbdma_reset(sc->sc_odma);
    542 	return 0;
    543 }
    544 
    545 int
    546 awacs_halt_input(h)
    547 	void *h;
    548 {
    549 	struct awacs_softc *sc = h;
    550 
    551 	dbdma_stop(sc->sc_idma);
    552 	dbdma_reset(sc->sc_idma);
    553 	return 0;
    554 }
    555 
    556 int
    557 awacs_getdev(h, retp)
    558 	void *h;
    559 	struct audio_device *retp;
    560 {
    561 	*retp = awacs_device;
    562 	return 0;
    563 }
    564 
    565 enum {
    566 	AWACS_OUTPUT_SELECT,
    567 	AWACS_VOL_SPEAKER,
    568 	AWACS_VOL_HEADPHONE,
    569 	AWACS_OUTPUT_CLASS,
    570 	AWACS_MONITOR_CLASS,
    571 	AWACS_ENUM_LAST
    572 };
    573 
    574 int
    575 awacs_set_port(h, mc)
    576 	void *h;
    577 	mixer_ctrl_t *mc;
    578 {
    579 	struct awacs_softc *sc = h;
    580 	int l, r;
    581 
    582 	DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
    583 
    584 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
    585 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
    586 
    587 	switch (mc->dev) {
    588 	case AWACS_OUTPUT_SELECT:
    589 		printf("output_select mask = 0x%x\n", mc->un.mask);
    590 		sc->sc_output_mask = mc->un.mask;
    591 		return 0;
    592 
    593 	case AWACS_VOL_SPEAKER:
    594 		awacs_set_speaker_volume(sc, l, r);
    595 		return 0;
    596 
    597 	case AWACS_VOL_HEADPHONE:
    598 		awacs_set_ext_volume(sc, l, r);
    599 		return 0;
    600 	}
    601 
    602 	return ENXIO;
    603 }
    604 
    605 int
    606 awacs_get_port(h, mc)
    607 	void *h;
    608 	mixer_ctrl_t *mc;
    609 {
    610 	struct awacs_softc *sc = h;
    611 	int vol, l, r;
    612 
    613 	DPRINTF("awacs_get_port dev = %d, type = %d\n", mc->dev, mc->type);
    614 
    615 	switch (mc->dev) {
    616 	case AWACS_OUTPUT_SELECT:
    617 		mc->un.mask = sc->sc_output_mask;
    618 		return 0;
    619 
    620 	case AWACS_VOL_SPEAKER:
    621 		vol = sc->sc_codecctl4;
    622 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
    623 		r = (15 - (vol & 0x0f)) * 16;
    624 		mc->un.mask = 1 << 0;
    625 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    626 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    627 		return 0;
    628 
    629 	case AWACS_VOL_HEADPHONE:
    630 		vol = sc->sc_codecctl2;
    631 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
    632 		r = (15 - (vol & 0x0f)) * 16;
    633 		mc->un.mask = 1 << 1;
    634 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    635 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    636 		return 0;
    637 
    638 	default:
    639 		return ENXIO;
    640 	}
    641 
    642 	return 0;
    643 }
    644 
    645 int
    646 awacs_query_devinfo(h, dip)
    647 	void *h;
    648 	mixer_devinfo_t *dip;
    649 {
    650 
    651 	DPRINTF("query_devinfo %d\n", dip->index);
    652 
    653 	switch (dip->index) {
    654 
    655 	case AWACS_OUTPUT_SELECT:
    656 		dip->mixer_class = AWACS_MONITOR_CLASS;
    657 		strcpy(dip->label.name, AudioNoutput);
    658 		dip->type = AUDIO_MIXER_SET;
    659 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    660 		dip->un.s.num_mem = 2;
    661 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
    662 		dip->un.s.member[0].mask = 1 << 0;
    663 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
    664 		dip->un.s.member[1].mask = 1 << 1;
    665 		return 0;
    666 
    667 	case AWACS_VOL_SPEAKER:
    668 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    669 		strcpy(dip->label.name, AudioNspeaker);
    670 		dip->type = AUDIO_MIXER_VALUE;
    671 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    672 		dip->un.v.num_channels = 2;
    673 		strcpy(dip->un.v.units.name, AudioNvolume);
    674 		return 0;
    675 
    676 	case AWACS_VOL_HEADPHONE:
    677 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    678 		strcpy(dip->label.name, AudioNheadphone);
    679 		dip->type = AUDIO_MIXER_VALUE;
    680 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    681 		dip->un.v.num_channels = 2;
    682 		strcpy(dip->un.v.units.name, AudioNvolume);
    683 		return 0;
    684 
    685 	case AWACS_MONITOR_CLASS:
    686 		dip->mixer_class = AWACS_MONITOR_CLASS;
    687 		strcpy(dip->label.name, AudioCmonitor);
    688 		dip->type = AUDIO_MIXER_CLASS;
    689 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    690 		return 0;
    691 
    692 	case AWACS_OUTPUT_CLASS:
    693 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    694 		strcpy(dip->label.name, AudioCoutputs);
    695 		dip->type = AUDIO_MIXER_CLASS;
    696 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    697 		return 0;
    698 	}
    699 
    700 	return ENXIO;
    701 }
    702 
    703 size_t
    704 awacs_round_buffersize(h, dir, size)
    705 	void *h;
    706 	int dir;
    707 	size_t size;
    708 {
    709 	if (size > 65536)
    710 		size = 65536;
    711 	return size;
    712 }
    713 
    714 paddr_t
    715 awacs_mappage(h, mem, off, prot)
    716 	void *h;
    717 	void *mem;
    718 	off_t off;
    719 	int prot;
    720 {
    721 	if (off < 0)
    722 		return -1;
    723 	return -1;	/* XXX */
    724 }
    725 
    726 int
    727 awacs_get_props(h)
    728 	void *h;
    729 {
    730 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
    731 }
    732 
    733 int
    734 awacs_trigger_output(h, start, end, bsize, intr, arg, param)
    735 	void *h;
    736 	void *start, *end;
    737 	int bsize;
    738 	void (*intr)(void *);
    739 	void *arg;
    740 	struct audio_params *param;
    741 {
    742 	struct awacs_softc *sc = h;
    743 	struct dbdma_command *cmd = sc->sc_odmacmd;
    744 	vaddr_t va;
    745 	int i, len, intmode;
    746 
    747 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
    748 
    749 	sc->sc_ointr = intr;
    750 	sc->sc_oarg = arg;
    751 	sc->sc_opages = ((char *)end - (char *)start) / NBPG;
    752 
    753 #ifdef DIAGNOSTIC
    754 	if (sc->sc_opages > 16)
    755 		panic("awacs_trigger_output");
    756 #endif
    757 
    758 	va = (vaddr_t)start;
    759 	len = 0;
    760 	for (i = sc->sc_opages; i > 0; i--) {
    761 		len += NBPG;
    762 		if (len < bsize)
    763 			intmode = DBDMA_INT_NEVER;
    764 		else {
    765 			len = 0;
    766 			intmode = DBDMA_INT_ALWAYS;
    767 		}
    768 
    769 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
    770 			intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
    771 		va += NBPG;
    772 		cmd++;
    773 	}
    774 
    775 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
    776 		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
    777 	dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
    778 
    779 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
    780 
    781 	return 0;
    782 }
    783 
    784 int
    785 awacs_trigger_input(h, start, end, bsize, intr, arg, param)
    786 	void *h;
    787 	void *start, *end;
    788 	int bsize;
    789 	void (*intr)(void *);
    790 	void *arg;
    791 	struct audio_params *param;
    792 {
    793 	printf("awacs_trigger_input called\n");
    794 
    795 	return 1;
    796 }
    797 
    798 void
    799 awacs_set_speaker_volume(sc, left, right)
    800 	struct awacs_softc *sc;
    801 	int left, right;
    802 {
    803 	int lval = 15 - (left  & 0xff) / 16;
    804 	int rval = 15 - (right & 0xff) / 16;
    805 
    806 	DPRINTF("speaker_volume %d %d\n", lval, rval);
    807 
    808 	sc->sc_codecctl4 &= ~0x3cf;
    809 	sc->sc_codecctl4 |= (lval << 6) | rval;
    810 	awacs_write_codec(sc, sc->sc_codecctl4);
    811 }
    812 
    813 void
    814 awacs_set_ext_volume(sc, left, right)
    815 	struct awacs_softc *sc;
    816 	int left, right;
    817 {
    818 	int lval = 15 - (left  & 0xff) / 16;
    819 	int rval = 15 - (right & 0xff) / 16;
    820 
    821 	DPRINTF("ext_volume %d %d\n", lval, rval);
    822 
    823 	sc->sc_codecctl2 &= ~0x3cf;
    824 	sc->sc_codecctl2 |= (lval << 6) | rval;
    825 	awacs_write_codec(sc, sc->sc_codecctl2);
    826 }
    827 
    828 int
    829 awacs_set_rate(sc, rate)
    830 	struct awacs_softc *sc;
    831 	int rate;
    832 {
    833 	int c;
    834 
    835 	switch (rate) {
    836 
    837 	case 44100:
    838 		c = AWACS_RATE_44100;
    839 		break;
    840 	case 29400:
    841 		c = AWACS_RATE_29400;
    842 		break;
    843 	case 22050:
    844 		c = AWACS_RATE_22050;
    845 		break;
    846 	case 17640:
    847 		c = AWACS_RATE_17640;
    848 		break;
    849 	case 14700:
    850 		c = AWACS_RATE_14700;
    851 		break;
    852 	case 11025:
    853 		c = AWACS_RATE_11025;
    854 		break;
    855 	case 8820:
    856 		c = AWACS_RATE_8820;
    857 		break;
    858 	case 8000: /* XXX */
    859 	case 7350:
    860 		c = AWACS_RATE_7350;
    861 		break;
    862 	default:
    863 		return -1;
    864 	}
    865 
    866 	sc->sc_soundctl &= ~AWACS_RATE_MASK;
    867 	sc->sc_soundctl |= c;
    868 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
    869 
    870 	return 0;
    871 }
    872