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awacs.c revision 1.14
      1 /*	$NetBSD: awacs.c,v 1.14 2002/10/02 05:30:40 thorpej 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 <uvm/uvm_extern.h>
     40 
     41 #include <machine/autoconf.h>
     42 #include <machine/pio.h>
     43 
     44 #include <dev/ofw/openfirm.h>
     45 #include <macppc/dev/dbdma.h>
     46 
     47 #ifdef AWACS_DEBUG
     48 # define DPRINTF printf
     49 #else
     50 # define DPRINTF while (0) printf
     51 #endif
     52 
     53 /* sc_flags values */
     54 #define AWACS_CAP_BSWAP		0x0001
     55 
     56 struct awacs_softc {
     57 	struct device sc_dev;
     58 	int sc_flags;
     59 
     60 	void (*sc_ointr)(void *);	/* dma completion intr handler */
     61 	void *sc_oarg;			/* arg for sc_ointr() */
     62 	int sc_opages;			/* # of output pages */
     63 
     64 	void (*sc_iintr)(void *);	/* dma completion intr handler */
     65 	void *sc_iarg;			/* arg for sc_iintr() */
     66 
     67 	u_int sc_record_source;		/* recording source mask */
     68 	u_int sc_output_mask;		/* output source mask */
     69 
     70 	char *sc_reg;
     71 	u_int sc_codecctl0;
     72 	u_int sc_codecctl1;
     73 	u_int sc_codecctl2;
     74 	u_int sc_codecctl4;
     75 	u_int sc_soundctl;
     76 
     77 	struct dbdma_regmap *sc_odma;
     78 	struct dbdma_regmap *sc_idma;
     79 	struct dbdma_command *sc_odmacmd;
     80 	struct dbdma_command *sc_idmacmd;
     81 };
     82 
     83 int awacs_match(struct device *, struct cfdata *, void *);
     84 void awacs_attach(struct device *, struct device *, void *);
     85 int awacs_intr(void *);
     86 
     87 int awacs_open(void *, int);
     88 void awacs_close(void *);
     89 int awacs_query_encoding(void *, struct audio_encoding *);
     90 int awacs_set_params(void *, int, int, struct audio_params *,
     91 			 struct audio_params *);
     92 int awacs_round_blocksize(void *, int);
     93 int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
     94 			     void *, struct audio_params *);
     95 int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
     96 			    void *, struct audio_params *);
     97 int awacs_halt_output(void *);
     98 int awacs_halt_input(void *);
     99 int awacs_getdev(void *, struct audio_device *);
    100 int awacs_set_port(void *, mixer_ctrl_t *);
    101 int awacs_get_port(void *, mixer_ctrl_t *);
    102 int awacs_query_devinfo(void *, mixer_devinfo_t *);
    103 size_t awacs_round_buffersize(void *, int, size_t);
    104 paddr_t awacs_mappage(void *, void *, off_t, int);
    105 int awacs_get_props(void *);
    106 
    107 static inline u_int awacs_read_reg(struct awacs_softc *, int);
    108 static inline void awacs_write_reg(struct awacs_softc *, int, int);
    109 void awacs_write_codec(struct awacs_softc *, int);
    110 void awacs_set_speaker_volume(struct awacs_softc *, int, int);
    111 void awacs_set_ext_volume(struct awacs_softc *, int, int);
    112 int awacs_set_rate(struct awacs_softc *, int);
    113 
    114 static void mono16_to_stereo16(void *, u_char *, int);
    115 static void swap_bytes_mono16_to_stereo16(void *, u_char *, int);
    116 
    117 CFATTACH_DECL(awacs, sizeof(struct awacs_softc),
    118     awacs_match, awacs_attach, NULL, NULL);
    119 
    120 struct audio_hw_if awacs_hw_if = {
    121 	awacs_open,
    122 	awacs_close,
    123 	NULL,
    124 	awacs_query_encoding,
    125 	awacs_set_params,
    126 	awacs_round_blocksize,
    127 	NULL,
    128 	NULL,
    129 	NULL,
    130 	NULL,
    131 	NULL,
    132 	awacs_halt_output,
    133 	awacs_halt_input,
    134 	NULL,
    135 	awacs_getdev,
    136 	NULL,
    137 	awacs_set_port,
    138 	awacs_get_port,
    139 	awacs_query_devinfo,
    140 	NULL,
    141 	NULL,
    142 	awacs_round_buffersize,
    143 	awacs_mappage,
    144 	awacs_get_props,
    145 	awacs_trigger_output,
    146 	awacs_trigger_input,
    147 	NULL,
    148 };
    149 
    150 struct audio_device awacs_device = {
    151 	"AWACS",
    152 	"",
    153 	"awacs"
    154 };
    155 
    156 /* register offset */
    157 #define AWACS_SOUND_CTRL	0x00
    158 #define AWACS_CODEC_CTRL	0x10
    159 #define AWACS_CODEC_STATUS	0x20
    160 #define AWACS_CLIP_COUNT	0x30
    161 #define AWACS_BYTE_SWAP		0x40
    162 
    163 /* sound control */
    164 #define AWACS_INPUT_SUBFRAME0	0x00000001
    165 #define AWACS_INPUT_SUBFRAME1	0x00000002
    166 #define AWACS_INPUT_SUBFRAME2	0x00000004
    167 #define AWACS_INPUT_SUBFRAME3	0x00000008
    168 
    169 #define AWACS_OUTPUT_SUBFRAME0	0x00000010
    170 #define AWACS_OUTPUT_SUBFRAME1	0x00000020
    171 #define AWACS_OUTPUT_SUBFRAME2	0x00000040
    172 #define AWACS_OUTPUT_SUBFRAME3	0x00000080
    173 
    174 #define AWACS_RATE_44100	0x00000000
    175 #define AWACS_RATE_29400	0x00000100
    176 #define AWACS_RATE_22050	0x00000200
    177 #define AWACS_RATE_17640	0x00000300
    178 #define AWACS_RATE_14700	0x00000400
    179 #define AWACS_RATE_11025	0x00000500
    180 #define AWACS_RATE_8820		0x00000600
    181 #define AWACS_RATE_7350		0x00000700
    182 #define AWACS_RATE_MASK		0x00000700
    183 
    184 /* codec control */
    185 #define AWACS_CODEC_ADDR0	0x00000000
    186 #define AWACS_CODEC_ADDR1	0x00001000
    187 #define AWACS_CODEC_ADDR2	0x00002000
    188 #define AWACS_CODEC_ADDR4	0x00004000
    189 #define AWACS_CODEC_EMSEL0	0x00000000
    190 #define AWACS_CODEC_EMSEL1	0x00400000
    191 #define AWACS_CODEC_EMSEL2	0x00800000
    192 #define AWACS_CODEC_EMSEL4	0x00c00000
    193 #define AWACS_CODEC_BUSY	0x01000000
    194 
    195 /* cc0 */
    196 #define AWACS_DEFAULT_CD_GAIN	0x000000bb
    197 #define AWACS_INPUT_CD		0x00000200
    198 #define AWACS_INPUT_LINE	0x00000400
    199 #define AWACS_INPUT_MICROPHONE	0x00000800
    200 #define AWACS_INPUT_MASK	0x00000e00
    201 
    202 /* cc1 */
    203 #define AWACS_MUTE_SPEAKER	0x00000080
    204 #define AWACS_MUTE_HEADPHONE	0x00000200
    205 
    206 int
    207 awacs_match(parent, match, aux)
    208 	struct device *parent;
    209 	struct cfdata *match;
    210 	void *aux;
    211 {
    212 	struct confargs *ca = aux;
    213 
    214 	if (strcmp(ca->ca_name, "awacs") != 0 &&
    215 	    strcmp(ca->ca_name, "davbus") != 0)
    216 		return 0;
    217 
    218 	if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
    219 		return 0;
    220 
    221 	return 1;
    222 }
    223 
    224 void
    225 awacs_attach(parent, self, aux)
    226 	struct device *parent;
    227 	struct device *self;
    228 	void *aux;
    229 {
    230 	struct awacs_softc *sc = (struct awacs_softc *)self;
    231 	struct confargs *ca = aux;
    232 	int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
    233 
    234 	ca->ca_reg[0] += ca->ca_baseaddr;
    235 	ca->ca_reg[2] += ca->ca_baseaddr;
    236 	ca->ca_reg[4] += ca->ca_baseaddr;
    237 
    238 	sc->sc_reg = mapiodev(ca->ca_reg[0], ca->ca_reg[1]);
    239 
    240 	sc->sc_odma = mapiodev(ca->ca_reg[2], ca->ca_reg[3]); /* out */
    241 	sc->sc_idma = mapiodev(ca->ca_reg[4], ca->ca_reg[5]); /* in */
    242 	sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
    243 	sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
    244 
    245 	if (ca->ca_nintr == 24) {
    246 		cirq = ca->ca_intr[0];
    247 		oirq = ca->ca_intr[2];
    248 		iirq = ca->ca_intr[4];
    249 		cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
    250 		oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
    251 		iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
    252 	} else {
    253 		cirq = ca->ca_intr[0];
    254 		oirq = ca->ca_intr[1];
    255 		iirq = ca->ca_intr[2];
    256 		cirq_type = oirq_type = iirq_type = IST_LEVEL;
    257 	}
    258 	intr_establish(cirq, cirq_type, IPL_AUDIO, awacs_intr, sc);
    259 	intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
    260 	/* intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc); */
    261 
    262 	printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
    263 
    264 	/* XXX Uni-North based models don't have byteswap capability. */
    265 	if (OF_finddevice("/uni-n") == -1)
    266 		sc->sc_flags |= AWACS_CAP_BSWAP;
    267 
    268 	sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
    269 		AWACS_RATE_44100;
    270 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
    271 
    272 	sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
    273 	sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
    274 	sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
    275 	sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
    276 
    277 	sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
    278 	awacs_write_codec(sc, sc->sc_codecctl0);
    279 
    280 	/* Set initial volume[s] */
    281 	awacs_set_speaker_volume(sc, 80, 80);
    282 
    283 	/* Set loopback (for CD?) */
    284 	/* sc->sc_codecctl1 |= 0x440; */
    285 	sc->sc_codecctl1 |= 0x40;
    286 	awacs_write_codec(sc, sc->sc_codecctl1);
    287 
    288 	/* default output to speakers */
    289 	sc->sc_output_mask = 1 << 0;
    290 	sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
    291 	sc->sc_codecctl1 |= AWACS_MUTE_HEADPHONE;
    292 	awacs_write_codec(sc, sc->sc_codecctl1);
    293 
    294 	/* default input from CD */
    295 	sc->sc_record_source = 1 << 0;
    296 	sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    297 	sc->sc_codecctl0 |= AWACS_INPUT_CD;
    298 	awacs_write_codec(sc, sc->sc_codecctl0);
    299 
    300 	/* Enable interrupts and looping mode. */
    301 	/* XXX ... */
    302 
    303 	audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
    304 }
    305 
    306 static inline u_int
    307 awacs_read_reg(sc, reg)
    308 	struct awacs_softc *sc;
    309 	int reg;
    310 {
    311 	char *addr = sc->sc_reg;
    312 
    313 	return in32rb(addr + reg);
    314 }
    315 
    316 static inline void
    317 awacs_write_reg(sc, reg, val)
    318 	struct awacs_softc *sc;
    319 	int reg, val;
    320 {
    321 	char *addr = sc->sc_reg;
    322 
    323 	out32rb(addr + reg, val);
    324 }
    325 
    326 void
    327 awacs_write_codec(sc, value)
    328 	struct awacs_softc *sc;
    329 	int value;
    330 {
    331 	awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
    332 	while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
    333 }
    334 
    335 int
    336 awacs_intr(v)
    337 	void *v;
    338 {
    339 	struct awacs_softc *sc = v;
    340 	struct dbdma_command *cmd = sc->sc_odmacmd;
    341 	int count = sc->sc_opages;
    342 	int status;
    343 
    344 	/* Fill used buffer(s). */
    345 	while (count-- > 0) {
    346 		/* if DBDMA_INT_ALWAYS */
    347 		if (in16rb(&cmd->d_command) & 0x30) {	/* XXX */
    348 			status = in16rb(&cmd->d_status);
    349 			cmd->d_status = 0;
    350 			if (status)	/* status == 0x8400 */
    351 				if (sc->sc_ointr)
    352 					(*sc->sc_ointr)(sc->sc_oarg);
    353 		}
    354 		cmd++;
    355 	}
    356 
    357 	return 1;
    358 }
    359 
    360 int
    361 awacs_open(h, flags)
    362 	void *h;
    363 	int flags;
    364 {
    365 	return 0;
    366 }
    367 
    368 /*
    369  * Close function is called at splaudio().
    370  */
    371 void
    372 awacs_close(h)
    373 	void *h;
    374 {
    375 	struct awacs_softc *sc = h;
    376 
    377 	awacs_halt_output(sc);
    378 	awacs_halt_input(sc);
    379 
    380 	sc->sc_ointr = 0;
    381 	sc->sc_iintr = 0;
    382 }
    383 
    384 int
    385 awacs_query_encoding(h, ae)
    386 	void *h;
    387 	struct audio_encoding *ae;
    388 {
    389 	struct awacs_softc *sc = h;
    390 
    391 	ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
    392 
    393 	switch (ae->index) {
    394 	case 0:
    395 		strcpy(ae->name, AudioEslinear);
    396 		ae->encoding = AUDIO_ENCODING_SLINEAR;
    397 		ae->precision = 16;
    398 		ae->flags = 0;
    399 		return 0;
    400 	case 1:
    401 		strcpy(ae->name, AudioEslinear_be);
    402 		ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
    403 		ae->precision = 16;
    404 		ae->flags = 0;
    405 		return 0;
    406 	case 2:
    407 		strcpy(ae->name, AudioEslinear_le);
    408 		ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
    409 		ae->precision = 16;
    410 		if (sc->sc_flags & AWACS_CAP_BSWAP)
    411 			ae->flags = 0;
    412 		return 0;
    413 	case 3:
    414 		strcpy(ae->name, AudioEulinear_be);
    415 		ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
    416 		ae->precision = 16;
    417 		return 0;
    418 	case 4:
    419 		strcpy(ae->name, AudioEulinear_le);
    420 		ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
    421 		ae->precision = 16;
    422 		return 0;
    423 	case 5:
    424 		strcpy(ae->name, AudioEmulaw);
    425 		ae->encoding = AUDIO_ENCODING_ULAW;
    426 		ae->precision = 8;
    427 		return 0;
    428 	case 6:
    429 		strcpy(ae->name, AudioEalaw);
    430 		ae->encoding = AUDIO_ENCODING_ALAW;
    431 		ae->precision = 8;
    432 		return 0;
    433 	default:
    434 		return EINVAL;
    435 	}
    436 }
    437 
    438 static void
    439 mono16_to_stereo16(v, p, cc)
    440 	void *v;
    441 	u_char *p;
    442 	int cc;
    443 {
    444 	int x;
    445 	int16_t *src, *dst;
    446 
    447 	src = (void *)(p + cc);
    448 	dst = (void *)(p + cc * 2);
    449 	while (cc > 0) {
    450 		x = *--src;
    451 		*--dst = x;
    452 		*--dst = x;
    453 		cc -= 2;
    454 	}
    455 }
    456 
    457 static void
    458 swap_bytes_mono16_to_stereo16(v, p, cc)
    459 	void *v;
    460 	u_char *p;
    461 	int cc;
    462 {
    463 	swap_bytes(v, p, cc);
    464 	mono16_to_stereo16(v, p, cc);
    465 }
    466 
    467 int
    468 awacs_set_params(h, setmode, usemode, play, rec)
    469 	void *h;
    470 	int setmode, usemode;
    471 	struct audio_params *play, *rec;
    472 {
    473 	struct awacs_softc *sc = h;
    474 	struct audio_params *p;
    475 	int mode, rate;
    476 
    477 	/*
    478 	 * This device only has one clock, so make the sample rates match.
    479 	 */
    480 	if (play->sample_rate != rec->sample_rate &&
    481 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
    482 		if (setmode == AUMODE_PLAY) {
    483 			rec->sample_rate = play->sample_rate;
    484 			setmode |= AUMODE_RECORD;
    485 		} else if (setmode == AUMODE_RECORD) {
    486 			play->sample_rate = rec->sample_rate;
    487 			setmode |= AUMODE_PLAY;
    488 		} else
    489 			return EINVAL;
    490 	}
    491 
    492 	for (mode = AUMODE_RECORD; mode != -1;
    493 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    494 		if ((setmode & mode) == 0)
    495 			continue;
    496 
    497 		p = mode == AUMODE_PLAY ? play : rec;
    498 
    499 		if (p->sample_rate < 4000 || p->sample_rate > 50000 ||
    500 		    (p->precision != 8 && p->precision != 16) ||
    501 		    (p->channels != 1 && p->channels != 2))
    502 			return EINVAL;
    503 
    504 		p->factor = 1;
    505 		p->sw_code = 0;
    506 		awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
    507 
    508 		switch (p->encoding) {
    509 
    510 		case AUDIO_ENCODING_SLINEAR_LE:
    511 			if (sc->sc_flags & AWACS_CAP_BSWAP)
    512 				awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
    513 			else {
    514 				if (p->channels == 2 && p->precision == 16) {
    515 					p->sw_code = swap_bytes;
    516 					break;
    517 				}
    518 				if (p->channels == 1 && p->precision == 16) {
    519 					p->factor = 2;
    520 					p->sw_code =
    521 					    swap_bytes_mono16_to_stereo16;
    522 					break;
    523 				}
    524 				return EINVAL;
    525 			}
    526 		case AUDIO_ENCODING_SLINEAR_BE:
    527 			if (p->channels == 1 && p->precision == 16) {
    528 				p->factor = 2;
    529 				p->sw_code = mono16_to_stereo16;
    530 				break;
    531 			}
    532 			if (p->channels == 2 && p->precision == 16)
    533 				break;
    534 
    535 			return EINVAL;
    536 
    537 		case AUDIO_ENCODING_ULINEAR_LE:
    538 			if (p->channels == 2 && p->precision == 16) {
    539 				p->sw_code = swap_bytes_change_sign16_be;
    540 				break;
    541 			}
    542 			return EINVAL;
    543 
    544 		case AUDIO_ENCODING_ULINEAR_BE:
    545 			if (p->channels == 2 && p->precision == 16) {
    546 				p->sw_code = change_sign16_be;
    547 				break;
    548 			}
    549 			return EINVAL;
    550 
    551 		case AUDIO_ENCODING_ULAW:
    552 			if (mode == AUMODE_PLAY) {
    553 				p->factor = 2;
    554 				p->sw_code = mulaw_to_slinear16_be;
    555 				break;
    556 			} else
    557 				break;		/* XXX */
    558 
    559 			return EINVAL;
    560 
    561 		case AUDIO_ENCODING_ALAW:
    562 			if (mode == AUMODE_PLAY) {
    563 				p->factor = 2;
    564 				p->sw_code = alaw_to_slinear16_be;
    565 				break;
    566 			}
    567 			return EINVAL;
    568 
    569 		default:
    570 			return EINVAL;
    571 		}
    572 	}
    573 
    574 	/* Set the speed */
    575 	rate = p->sample_rate;
    576 
    577 	if (awacs_set_rate(sc, rate))
    578 		return EINVAL;
    579 
    580 	return 0;
    581 }
    582 
    583 int
    584 awacs_round_blocksize(h, size)
    585 	void *h;
    586 	int size;
    587 {
    588 	if (size < NBPG)
    589 		size = NBPG;
    590 	return size & ~PGOFSET;
    591 }
    592 
    593 int
    594 awacs_halt_output(h)
    595 	void *h;
    596 {
    597 	struct awacs_softc *sc = h;
    598 
    599 	dbdma_stop(sc->sc_odma);
    600 	dbdma_reset(sc->sc_odma);
    601 	return 0;
    602 }
    603 
    604 int
    605 awacs_halt_input(h)
    606 	void *h;
    607 {
    608 	struct awacs_softc *sc = h;
    609 
    610 	dbdma_stop(sc->sc_idma);
    611 	dbdma_reset(sc->sc_idma);
    612 	return 0;
    613 }
    614 
    615 int
    616 awacs_getdev(h, retp)
    617 	void *h;
    618 	struct audio_device *retp;
    619 {
    620 	*retp = awacs_device;
    621 	return 0;
    622 }
    623 
    624 enum {
    625 	AWACS_MONITOR_CLASS,
    626 	AWACS_OUTPUT_CLASS,
    627 	AWACS_RECORD_CLASS,
    628 	AWACS_OUTPUT_SELECT,
    629 	AWACS_VOL_SPEAKER,
    630 	AWACS_VOL_HEADPHONE,
    631 	AWACS_INPUT_SELECT,
    632 	AWACS_VOL_INPUT,
    633 	AWACS_ENUM_LAST
    634 };
    635 
    636 int
    637 awacs_set_port(h, mc)
    638 	void *h;
    639 	mixer_ctrl_t *mc;
    640 {
    641 	struct awacs_softc *sc = h;
    642 	int l, r;
    643 
    644 	DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
    645 
    646 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
    647 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
    648 
    649 	switch (mc->dev) {
    650 	case AWACS_OUTPUT_SELECT:
    651 		/* No change necessary? */
    652 		if (mc->un.mask == sc->sc_output_mask)
    653 			return 0;
    654 
    655 		sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
    656 		if (mc->un.mask & 1 << 0)
    657 			sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
    658 		if (mc->un.mask & 1 << 1)
    659 			sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
    660 
    661 		awacs_write_codec(sc, sc->sc_codecctl1);
    662 		sc->sc_output_mask = mc->un.mask;
    663 		return 0;
    664 
    665 	case AWACS_VOL_SPEAKER:
    666 		awacs_set_speaker_volume(sc, l, r);
    667 		return 0;
    668 
    669 	case AWACS_VOL_HEADPHONE:
    670 		awacs_set_ext_volume(sc, l, r);
    671 		return 0;
    672 
    673 	case AWACS_INPUT_SELECT:
    674 		/* no change necessary? */
    675 		if (mc->un.mask == sc->sc_record_source)
    676 			return 0;
    677 		switch (mc->un.mask) {
    678 		case 1 << 0: /* CD */
    679 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    680 			sc->sc_codecctl0 |= AWACS_INPUT_CD;
    681 			awacs_write_codec(sc, sc->sc_codecctl0);
    682 			break;
    683 		case 1 << 1: /* microphone */
    684 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    685 			sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
    686 			awacs_write_codec(sc, sc->sc_codecctl0);
    687 			break;
    688 		case 1 << 2: /* line in */
    689 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    690 			sc->sc_codecctl0 |= AWACS_INPUT_LINE;
    691 			awacs_write_codec(sc, sc->sc_codecctl0);
    692 			break;
    693 		default: /* invalid argument */
    694 			return EINVAL;
    695 		}
    696 		sc->sc_record_source = mc->un.mask;
    697 		return 0;
    698 
    699 	case AWACS_VOL_INPUT:
    700 		sc->sc_codecctl0 &= ~0xff;
    701 		sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
    702 		awacs_write_codec(sc, sc->sc_codecctl0);
    703 		return 0;
    704 	}
    705 
    706 	return ENXIO;
    707 }
    708 
    709 int
    710 awacs_get_port(h, mc)
    711 	void *h;
    712 	mixer_ctrl_t *mc;
    713 {
    714 	struct awacs_softc *sc = h;
    715 	int vol, l, r;
    716 
    717 	DPRINTF("awacs_get_port dev = %d, type = %d\n", mc->dev, mc->type);
    718 
    719 	switch (mc->dev) {
    720 	case AWACS_OUTPUT_SELECT:
    721 		mc->un.mask = sc->sc_output_mask;
    722 		return 0;
    723 
    724 	case AWACS_VOL_SPEAKER:
    725 		vol = sc->sc_codecctl4;
    726 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
    727 		r = (15 - (vol & 0x0f)) * 16;
    728 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    729 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    730 		return 0;
    731 
    732 	case AWACS_VOL_HEADPHONE:
    733 		vol = sc->sc_codecctl2;
    734 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
    735 		r = (15 - (vol & 0x0f)) * 16;
    736 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    737 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    738 		return 0;
    739 
    740 	case AWACS_INPUT_SELECT:
    741 		mc->un.mask = sc->sc_record_source;
    742 		return 0;
    743 
    744 	case AWACS_VOL_INPUT:
    745 		vol = sc->sc_codecctl0 & 0xff;
    746 		l = (vol & 0xf0);
    747 		r = (vol & 0x0f) << 4;
    748 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    749 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    750 		return 0;
    751 
    752 	default:
    753 		return ENXIO;
    754 	}
    755 
    756 	return 0;
    757 }
    758 
    759 int
    760 awacs_query_devinfo(h, dip)
    761 	void *h;
    762 	mixer_devinfo_t *dip;
    763 {
    764 
    765 	DPRINTF("query_devinfo %d\n", dip->index);
    766 
    767 	switch (dip->index) {
    768 
    769 	case AWACS_OUTPUT_SELECT:
    770 		dip->mixer_class = AWACS_MONITOR_CLASS;
    771 		strcpy(dip->label.name, AudioNoutput);
    772 		dip->type = AUDIO_MIXER_SET;
    773 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    774 		dip->un.s.num_mem = 2;
    775 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
    776 		dip->un.s.member[0].mask = 1 << 0;
    777 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
    778 		dip->un.s.member[1].mask = 1 << 1;
    779 		return 0;
    780 
    781 	case AWACS_VOL_SPEAKER:
    782 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    783 		strcpy(dip->label.name, AudioNspeaker);
    784 		dip->type = AUDIO_MIXER_VALUE;
    785 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    786 		dip->un.v.num_channels = 2;
    787 		strcpy(dip->un.v.units.name, AudioNvolume);
    788 		return 0;
    789 
    790 	case AWACS_VOL_HEADPHONE:
    791 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    792 		strcpy(dip->label.name, AudioNheadphone);
    793 		dip->type = AUDIO_MIXER_VALUE;
    794 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    795 		dip->un.v.num_channels = 2;
    796 		strcpy(dip->un.v.units.name, AudioNvolume);
    797 		return 0;
    798 
    799 	case AWACS_INPUT_SELECT:
    800 		dip->mixer_class = AWACS_RECORD_CLASS;
    801 		strcpy(dip->label.name, AudioNsource);
    802 		dip->type = AUDIO_MIXER_SET;
    803 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    804 		dip->un.s.num_mem = 3;
    805 		strcpy(dip->un.s.member[0].label.name, AudioNcd);
    806 		dip->un.s.member[0].mask = 1 << 0;
    807 		strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
    808 		dip->un.s.member[1].mask = 1 << 1;
    809 		strcpy(dip->un.s.member[2].label.name, AudioNline);
    810 		dip->un.s.member[2].mask = 1 << 2;
    811 		return 0;
    812 
    813 	case AWACS_VOL_INPUT:
    814 		dip->mixer_class = AWACS_RECORD_CLASS;
    815 		strcpy(dip->label.name, AudioNrecord);
    816 		dip->type = AUDIO_MIXER_VALUE;
    817 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    818 		dip->un.v.num_channels = 2;
    819 		strcpy(dip->un.v.units.name, AudioNvolume);
    820 		return 0;
    821 
    822 	case AWACS_MONITOR_CLASS:
    823 		dip->mixer_class = AWACS_MONITOR_CLASS;
    824 		strcpy(dip->label.name, AudioCmonitor);
    825 		dip->type = AUDIO_MIXER_CLASS;
    826 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    827 		return 0;
    828 
    829 	case AWACS_OUTPUT_CLASS:
    830 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    831 		strcpy(dip->label.name, AudioCoutputs);
    832 		dip->type = AUDIO_MIXER_CLASS;
    833 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    834 		return 0;
    835 
    836 	case AWACS_RECORD_CLASS:
    837 		dip->mixer_class = AWACS_RECORD_CLASS;
    838 		strcpy(dip->label.name, AudioCrecord);
    839 		dip->type = AUDIO_MIXER_CLASS;
    840 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    841 		return 0;
    842 	}
    843 
    844 	return ENXIO;
    845 }
    846 
    847 size_t
    848 awacs_round_buffersize(h, dir, size)
    849 	void *h;
    850 	int dir;
    851 	size_t size;
    852 {
    853 	if (size > 65536)
    854 		size = 65536;
    855 	return size;
    856 }
    857 
    858 paddr_t
    859 awacs_mappage(h, mem, off, prot)
    860 	void *h;
    861 	void *mem;
    862 	off_t off;
    863 	int prot;
    864 {
    865 	if (off < 0)
    866 		return -1;
    867 	return -1;	/* XXX */
    868 }
    869 
    870 int
    871 awacs_get_props(h)
    872 	void *h;
    873 {
    874 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
    875 }
    876 
    877 int
    878 awacs_trigger_output(h, start, end, bsize, intr, arg, param)
    879 	void *h;
    880 	void *start, *end;
    881 	int bsize;
    882 	void (*intr)(void *);
    883 	void *arg;
    884 	struct audio_params *param;
    885 {
    886 	struct awacs_softc *sc = h;
    887 	struct dbdma_command *cmd = sc->sc_odmacmd;
    888 	vaddr_t va;
    889 	int i, len, intmode;
    890 
    891 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
    892 
    893 	sc->sc_ointr = intr;
    894 	sc->sc_oarg = arg;
    895 	sc->sc_opages = ((char *)end - (char *)start) / NBPG;
    896 
    897 #ifdef DIAGNOSTIC
    898 	if (sc->sc_opages > 16)
    899 		panic("awacs_trigger_output");
    900 #endif
    901 
    902 	va = (vaddr_t)start;
    903 	len = 0;
    904 	for (i = sc->sc_opages; i > 0; i--) {
    905 		len += NBPG;
    906 		if (len < bsize)
    907 			intmode = DBDMA_INT_NEVER;
    908 		else {
    909 			len = 0;
    910 			intmode = DBDMA_INT_ALWAYS;
    911 		}
    912 
    913 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
    914 			intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
    915 		va += NBPG;
    916 		cmd++;
    917 	}
    918 
    919 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
    920 		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
    921 	dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
    922 
    923 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
    924 
    925 	return 0;
    926 }
    927 
    928 int
    929 awacs_trigger_input(h, start, end, bsize, intr, arg, param)
    930 	void *h;
    931 	void *start, *end;
    932 	int bsize;
    933 	void (*intr)(void *);
    934 	void *arg;
    935 	struct audio_params *param;
    936 {
    937 	printf("awacs_trigger_input called\n");
    938 
    939 	return 1;
    940 }
    941 
    942 void
    943 awacs_set_speaker_volume(sc, left, right)
    944 	struct awacs_softc *sc;
    945 	int left, right;
    946 {
    947 	int lval = 15 - (left  & 0xff) / 16;
    948 	int rval = 15 - (right & 0xff) / 16;
    949 
    950 	DPRINTF("speaker_volume %d %d\n", lval, rval);
    951 
    952 	sc->sc_codecctl4 &= ~0x3cf;
    953 	sc->sc_codecctl4 |= (lval << 6) | rval;
    954 	awacs_write_codec(sc, sc->sc_codecctl4);
    955 }
    956 
    957 void
    958 awacs_set_ext_volume(sc, left, right)
    959 	struct awacs_softc *sc;
    960 	int left, right;
    961 {
    962 	int lval = 15 - (left  & 0xff) / 16;
    963 	int rval = 15 - (right & 0xff) / 16;
    964 
    965 	DPRINTF("ext_volume %d %d\n", lval, rval);
    966 
    967 	sc->sc_codecctl2 &= ~0x3cf;
    968 	sc->sc_codecctl2 |= (lval << 6) | rval;
    969 	awacs_write_codec(sc, sc->sc_codecctl2);
    970 }
    971 
    972 int
    973 awacs_set_rate(sc, rate)
    974 	struct awacs_softc *sc;
    975 	int rate;
    976 {
    977 	int c;
    978 
    979 	switch (rate) {
    980 
    981 	case 44100:
    982 		c = AWACS_RATE_44100;
    983 		break;
    984 	case 29400:
    985 		c = AWACS_RATE_29400;
    986 		break;
    987 	case 22050:
    988 		c = AWACS_RATE_22050;
    989 		break;
    990 	case 17640:
    991 		c = AWACS_RATE_17640;
    992 		break;
    993 	case 14700:
    994 		c = AWACS_RATE_14700;
    995 		break;
    996 	case 11025:
    997 		c = AWACS_RATE_11025;
    998 		break;
    999 	case 8820:
   1000 		c = AWACS_RATE_8820;
   1001 		break;
   1002 	case 8000: /* XXX */
   1003 	case 7350:
   1004 		c = AWACS_RATE_7350;
   1005 		break;
   1006 	default:
   1007 		return -1;
   1008 	}
   1009 
   1010 	sc->sc_soundctl &= ~AWACS_RATE_MASK;
   1011 	sc->sc_soundctl |= c;
   1012 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
   1013 
   1014 	return 0;
   1015 }
   1016