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awacs.c revision 1.20
      1 /*	$NetBSD: awacs.c,v 1.20 2003/11/02 00:23:38 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/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: awacs.c,v 1.20 2003/11/02 00:23:38 thorpej Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/audioio.h>
     34 #include <sys/device.h>
     35 #include <sys/malloc.h>
     36 #include <sys/systm.h>
     37 
     38 #include <dev/auconv.h>
     39 #include <dev/audio_if.h>
     40 #include <dev/mulaw.h>
     41 
     42 #include <uvm/uvm_extern.h>
     43 
     44 #include <machine/autoconf.h>
     45 #include <machine/pio.h>
     46 
     47 #include <dev/ofw/openfirm.h>
     48 #include <macppc/dev/dbdma.h>
     49 
     50 #ifdef AWACS_DEBUG
     51 # define DPRINTF printf
     52 #else
     53 # define DPRINTF while (0) printf
     54 #endif
     55 
     56 /* sc_flags values */
     57 #define AWACS_CAP_BSWAP		0x0001
     58 
     59 struct awacs_softc {
     60 	struct device sc_dev;
     61 	int sc_flags;
     62 
     63 	void (*sc_ointr)(void *);	/* DMA completion intr handler */
     64 	void *sc_oarg;			/* arg for sc_ointr() */
     65 	int sc_opages;			/* # of output pages */
     66 
     67 	void (*sc_iintr)(void *);	/* DMA completion intr handler */
     68 	void *sc_iarg;			/* arg for sc_iintr() */
     69 
     70 	u_int sc_record_source;		/* recording source mask */
     71 	u_int sc_output_mask;		/* output source mask */
     72 
     73 	char *sc_reg;
     74 	u_int sc_codecctl0;
     75 	u_int sc_codecctl1;
     76 	u_int sc_codecctl2;
     77 	u_int sc_codecctl4;
     78 	u_int sc_soundctl;
     79 
     80 	struct dbdma_regmap *sc_odma;
     81 	struct dbdma_regmap *sc_idma;
     82 	struct dbdma_command *sc_odmacmd;
     83 	struct dbdma_command *sc_idmacmd;
     84 };
     85 
     86 int awacs_match(struct device *, struct cfdata *, void *);
     87 void awacs_attach(struct device *, struct device *, void *);
     88 int awacs_intr(void *);
     89 
     90 int awacs_open(void *, int);
     91 void awacs_close(void *);
     92 int awacs_query_encoding(void *, struct audio_encoding *);
     93 int awacs_set_params(void *, int, int, struct audio_params *,
     94 			 struct audio_params *);
     95 int awacs_round_blocksize(void *, int);
     96 int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
     97 			     void *, struct audio_params *);
     98 int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
     99 			    void *, struct audio_params *);
    100 int awacs_halt_output(void *);
    101 int awacs_halt_input(void *);
    102 int awacs_getdev(void *, struct audio_device *);
    103 int awacs_set_port(void *, mixer_ctrl_t *);
    104 int awacs_get_port(void *, mixer_ctrl_t *);
    105 int awacs_query_devinfo(void *, mixer_devinfo_t *);
    106 size_t awacs_round_buffersize(void *, int, size_t);
    107 paddr_t awacs_mappage(void *, void *, off_t, int);
    108 int awacs_get_props(void *);
    109 
    110 static inline u_int awacs_read_reg(struct awacs_softc *, int);
    111 static inline void awacs_write_reg(struct awacs_softc *, int, int);
    112 void awacs_write_codec(struct awacs_softc *, int);
    113 void awacs_set_speaker_volume(struct awacs_softc *, int, int);
    114 void awacs_set_ext_volume(struct awacs_softc *, int, int);
    115 int awacs_set_rate(struct awacs_softc *, struct audio_params *);
    116 
    117 static void mono16_to_stereo16(void *, u_char *, int);
    118 static void swap_bytes_mono16_to_stereo16(void *, u_char *, int);
    119 
    120 CFATTACH_DECL(awacs, sizeof(struct awacs_softc),
    121     awacs_match, awacs_attach, NULL, NULL);
    122 
    123 struct audio_hw_if awacs_hw_if = {
    124 	awacs_open,
    125 	awacs_close,
    126 	NULL,
    127 	awacs_query_encoding,
    128 	awacs_set_params,
    129 	awacs_round_blocksize,
    130 	NULL,
    131 	NULL,
    132 	NULL,
    133 	NULL,
    134 	NULL,
    135 	awacs_halt_output,
    136 	awacs_halt_input,
    137 	NULL,
    138 	awacs_getdev,
    139 	NULL,
    140 	awacs_set_port,
    141 	awacs_get_port,
    142 	awacs_query_devinfo,
    143 	NULL,
    144 	NULL,
    145 	awacs_round_buffersize,
    146 	awacs_mappage,
    147 	awacs_get_props,
    148 	awacs_trigger_output,
    149 	awacs_trigger_input,
    150 	NULL,
    151 };
    152 
    153 struct audio_device awacs_device = {
    154 	"AWACS",
    155 	"",
    156 	"awacs"
    157 };
    158 
    159 /* register offset */
    160 #define AWACS_SOUND_CTRL	0x00
    161 #define AWACS_CODEC_CTRL	0x10
    162 #define AWACS_CODEC_STATUS	0x20
    163 #define AWACS_CLIP_COUNT	0x30
    164 #define AWACS_BYTE_SWAP		0x40
    165 
    166 /* sound control */
    167 #define AWACS_INPUT_SUBFRAME0	0x00000001
    168 #define AWACS_INPUT_SUBFRAME1	0x00000002
    169 #define AWACS_INPUT_SUBFRAME2	0x00000004
    170 #define AWACS_INPUT_SUBFRAME3	0x00000008
    171 
    172 #define AWACS_OUTPUT_SUBFRAME0	0x00000010
    173 #define AWACS_OUTPUT_SUBFRAME1	0x00000020
    174 #define AWACS_OUTPUT_SUBFRAME2	0x00000040
    175 #define AWACS_OUTPUT_SUBFRAME3	0x00000080
    176 
    177 #define AWACS_RATE_44100	0x00000000
    178 #define AWACS_RATE_29400	0x00000100
    179 #define AWACS_RATE_22050	0x00000200
    180 #define AWACS_RATE_17640	0x00000300
    181 #define AWACS_RATE_14700	0x00000400
    182 #define AWACS_RATE_11025	0x00000500
    183 #define AWACS_RATE_8820		0x00000600
    184 #define AWACS_RATE_7350		0x00000700
    185 #define AWACS_RATE_MASK		0x00000700
    186 
    187 /* codec control */
    188 #define AWACS_CODEC_ADDR0	0x00000000
    189 #define AWACS_CODEC_ADDR1	0x00001000
    190 #define AWACS_CODEC_ADDR2	0x00002000
    191 #define AWACS_CODEC_ADDR4	0x00004000
    192 #define AWACS_CODEC_EMSEL0	0x00000000
    193 #define AWACS_CODEC_EMSEL1	0x00400000
    194 #define AWACS_CODEC_EMSEL2	0x00800000
    195 #define AWACS_CODEC_EMSEL4	0x00c00000
    196 #define AWACS_CODEC_BUSY	0x01000000
    197 
    198 /* cc0 */
    199 #define AWACS_DEFAULT_CD_GAIN	0x000000bb
    200 #define AWACS_INPUT_CD		0x00000200
    201 #define AWACS_INPUT_LINE	0x00000400
    202 #define AWACS_INPUT_MICROPHONE	0x00000800
    203 #define AWACS_INPUT_MASK	0x00000e00
    204 
    205 /* cc1 */
    206 #define AWACS_MUTE_SPEAKER	0x00000080
    207 #define AWACS_MUTE_HEADPHONE	0x00000200
    208 
    209 int
    210 awacs_match(parent, match, aux)
    211 	struct device *parent;
    212 	struct cfdata *match;
    213 	void *aux;
    214 {
    215 	struct confargs *ca = aux;
    216 
    217 	if (strcmp(ca->ca_name, "i2s") == 0)
    218 		return 1;
    219 
    220 	if (strcmp(ca->ca_name, "awacs") != 0 &&
    221 	    strcmp(ca->ca_name, "davbus") != 0)
    222 		return 0;
    223 
    224 	if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
    225 		return 0;
    226 
    227 	return 1;
    228 }
    229 
    230 void
    231 awacs_attach(parent, self, aux)
    232 	struct device *parent;
    233 	struct device *self;
    234 	void *aux;
    235 {
    236 	struct awacs_softc *sc = (struct awacs_softc *)self;
    237 	struct confargs *ca = aux;
    238 	int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
    239 
    240 	ca->ca_reg[0] += ca->ca_baseaddr;
    241 	ca->ca_reg[2] += ca->ca_baseaddr;
    242 	ca->ca_reg[4] += ca->ca_baseaddr;
    243 
    244 	sc->sc_reg = mapiodev(ca->ca_reg[0], ca->ca_reg[1]);
    245 
    246 	sc->sc_odma = mapiodev(ca->ca_reg[2], ca->ca_reg[3]); /* out */
    247 	sc->sc_idma = mapiodev(ca->ca_reg[4], ca->ca_reg[5]); /* in */
    248 	sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
    249 	sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
    250 
    251 	if (strcmp(ca->ca_name, "i2s") == 0) {
    252 		int node, intr[6];
    253 
    254 		node = OF_child(ca->ca_node);
    255 		if (node == 0) {
    256 			printf("no i2s-a child\n");
    257 			return;
    258 		}
    259 		if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) {
    260 			printf("no interrupt property\n");
    261 			return;
    262 		}
    263 
    264 		cirq = intr[0];
    265 		oirq = intr[2];
    266 		iirq = intr[4];
    267 		cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
    268 		oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
    269 		iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
    270 	} else if (ca->ca_nintr == 24) {
    271 		cirq = ca->ca_intr[0];
    272 		oirq = ca->ca_intr[2];
    273 		iirq = ca->ca_intr[4];
    274 		cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
    275 		oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
    276 		iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
    277 	} else {
    278 		cirq = ca->ca_intr[0];
    279 		oirq = ca->ca_intr[1];
    280 		iirq = ca->ca_intr[2];
    281 		cirq_type = oirq_type = iirq_type = IST_LEVEL;
    282 	}
    283 
    284 	intr_establish(cirq, cirq_type, IPL_AUDIO, awacs_intr, sc);
    285 	intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
    286 	/* intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc); */
    287 
    288 	printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
    289 
    290 	/* XXX Uni-North based models don't have byteswap capability. */
    291 	if (OF_finddevice("/uni-n") == -1)
    292 		sc->sc_flags |= AWACS_CAP_BSWAP;
    293 
    294 	sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
    295 		AWACS_RATE_44100;
    296 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
    297 
    298 	sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
    299 	sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
    300 	sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
    301 	sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
    302 
    303 	sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
    304 	awacs_write_codec(sc, sc->sc_codecctl0);
    305 
    306 	/* Set initial volume[s] */
    307 	awacs_set_speaker_volume(sc, 80, 80);
    308 
    309 	/* Set loopback (for CD?) */
    310 	/* sc->sc_codecctl1 |= 0x440; */
    311 	sc->sc_codecctl1 |= 0x40;
    312 	awacs_write_codec(sc, sc->sc_codecctl1);
    313 
    314 	/* default output to speakers */
    315 	sc->sc_output_mask = 1 << 0;
    316 	sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
    317 	sc->sc_codecctl1 |= AWACS_MUTE_HEADPHONE;
    318 	awacs_write_codec(sc, sc->sc_codecctl1);
    319 
    320 	/* default input from CD */
    321 	sc->sc_record_source = 1 << 0;
    322 	sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    323 	sc->sc_codecctl0 |= AWACS_INPUT_CD;
    324 	awacs_write_codec(sc, sc->sc_codecctl0);
    325 
    326 	/* Enable interrupts and looping mode. */
    327 	/* XXX ... */
    328 
    329 	audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
    330 }
    331 
    332 static inline u_int
    333 awacs_read_reg(sc, reg)
    334 	struct awacs_softc *sc;
    335 	int reg;
    336 {
    337 	char *addr = sc->sc_reg;
    338 
    339 	return in32rb(addr + reg);
    340 }
    341 
    342 static inline void
    343 awacs_write_reg(sc, reg, val)
    344 	struct awacs_softc *sc;
    345 	int reg, val;
    346 {
    347 	char *addr = sc->sc_reg;
    348 
    349 	out32rb(addr + reg, val);
    350 }
    351 
    352 void
    353 awacs_write_codec(sc, value)
    354 	struct awacs_softc *sc;
    355 	int value;
    356 {
    357 	awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
    358 	while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
    359 }
    360 
    361 int
    362 awacs_intr(v)
    363 	void *v;
    364 {
    365 	struct awacs_softc *sc = v;
    366 	struct dbdma_command *cmd = sc->sc_odmacmd;
    367 	int count = sc->sc_opages;
    368 	int status;
    369 
    370 	/* Fill used buffer(s). */
    371 	while (count-- > 0) {
    372 		/* if DBDMA_INT_ALWAYS */
    373 		if (in16rb(&cmd->d_command) & 0x30) {	/* XXX */
    374 			status = in16rb(&cmd->d_status);
    375 			cmd->d_status = 0;
    376 			if (status)	/* status == 0x8400 */
    377 				if (sc->sc_ointr)
    378 					(*sc->sc_ointr)(sc->sc_oarg);
    379 		}
    380 		cmd++;
    381 	}
    382 
    383 	return 1;
    384 }
    385 
    386 int
    387 awacs_open(h, flags)
    388 	void *h;
    389 	int flags;
    390 {
    391 	return 0;
    392 }
    393 
    394 /*
    395  * Close function is called at splaudio().
    396  */
    397 void
    398 awacs_close(h)
    399 	void *h;
    400 {
    401 	struct awacs_softc *sc = h;
    402 
    403 	awacs_halt_output(sc);
    404 	awacs_halt_input(sc);
    405 
    406 	sc->sc_ointr = 0;
    407 	sc->sc_iintr = 0;
    408 }
    409 
    410 int
    411 awacs_query_encoding(h, ae)
    412 	void *h;
    413 	struct audio_encoding *ae;
    414 {
    415 	struct awacs_softc *sc = h;
    416 
    417 	ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
    418 
    419 	switch (ae->index) {
    420 	case 0:
    421 		strcpy(ae->name, AudioEslinear);
    422 		ae->encoding = AUDIO_ENCODING_SLINEAR;
    423 		ae->precision = 16;
    424 		ae->flags = 0;
    425 		return 0;
    426 	case 1:
    427 		strcpy(ae->name, AudioEslinear_be);
    428 		ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
    429 		ae->precision = 16;
    430 		ae->flags = 0;
    431 		return 0;
    432 	case 2:
    433 		strcpy(ae->name, AudioEslinear_le);
    434 		ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
    435 		ae->precision = 16;
    436 		if (sc->sc_flags & AWACS_CAP_BSWAP)
    437 			ae->flags = 0;
    438 		return 0;
    439 	case 3:
    440 		strcpy(ae->name, AudioEulinear_be);
    441 		ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
    442 		ae->precision = 16;
    443 		return 0;
    444 	case 4:
    445 		strcpy(ae->name, AudioEulinear_le);
    446 		ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
    447 		ae->precision = 16;
    448 		return 0;
    449 	case 5:
    450 		strcpy(ae->name, AudioEmulaw);
    451 		ae->encoding = AUDIO_ENCODING_ULAW;
    452 		ae->precision = 8;
    453 		return 0;
    454 	case 6:
    455 		strcpy(ae->name, AudioEalaw);
    456 		ae->encoding = AUDIO_ENCODING_ALAW;
    457 		ae->precision = 8;
    458 		return 0;
    459 	default:
    460 		return EINVAL;
    461 	}
    462 }
    463 
    464 static void
    465 mono16_to_stereo16(v, p, cc)
    466 	void *v;
    467 	u_char *p;
    468 	int cc;
    469 {
    470 	int x;
    471 	int16_t *src, *dst;
    472 
    473 	src = (void *)(p + cc);
    474 	dst = (void *)(p + cc * 2);
    475 	while (cc > 0) {
    476 		x = *--src;
    477 		*--dst = x;
    478 		*--dst = x;
    479 		cc -= 2;
    480 	}
    481 }
    482 
    483 static void
    484 swap_bytes_mono16_to_stereo16(v, p, cc)
    485 	void *v;
    486 	u_char *p;
    487 	int cc;
    488 {
    489 	swap_bytes(v, p, cc);
    490 	mono16_to_stereo16(v, p, cc);
    491 }
    492 
    493 int
    494 awacs_set_params(h, setmode, usemode, play, rec)
    495 	void *h;
    496 	int setmode, usemode;
    497 	struct audio_params *play, *rec;
    498 {
    499 	struct awacs_softc *sc = h;
    500 	struct audio_params *p = NULL;
    501 	int mode;
    502 
    503 	/*
    504 	 * This device only has one clock, so make the sample rates match.
    505 	 */
    506 	if (play->sample_rate != rec->sample_rate &&
    507 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
    508 		if (setmode == AUMODE_PLAY) {
    509 			rec->sample_rate = play->sample_rate;
    510 			setmode |= AUMODE_RECORD;
    511 		} else if (setmode == AUMODE_RECORD) {
    512 			play->sample_rate = rec->sample_rate;
    513 			setmode |= AUMODE_PLAY;
    514 		} else
    515 			return EINVAL;
    516 	}
    517 
    518 	for (mode = AUMODE_RECORD; mode != -1;
    519 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    520 		if ((setmode & mode) == 0)
    521 			continue;
    522 
    523 		p = mode == AUMODE_PLAY ? play : rec;
    524 
    525 		if (p->sample_rate < 4000 || p->sample_rate > 50000 ||
    526 		    (p->precision != 8 && p->precision != 16) ||
    527 		    (p->channels != 1 && p->channels != 2))
    528 			return EINVAL;
    529 
    530 		p->factor = 1;
    531 		p->sw_code = 0;
    532 		awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
    533 
    534 		switch (p->encoding) {
    535 
    536 		case AUDIO_ENCODING_SLINEAR_LE:
    537 			if (sc->sc_flags & AWACS_CAP_BSWAP)
    538 				awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
    539 			else {
    540 				if (p->channels == 2 && p->precision == 16) {
    541 					p->sw_code = swap_bytes;
    542 					break;
    543 				}
    544 				if (p->channels == 1 && p->precision == 16) {
    545 					p->factor = 2;
    546 					p->sw_code =
    547 					    swap_bytes_mono16_to_stereo16;
    548 					break;
    549 				}
    550 				return EINVAL;
    551 			}
    552 		case AUDIO_ENCODING_SLINEAR_BE:
    553 			if (p->channels == 1 && p->precision == 16) {
    554 				p->factor = 2;
    555 				p->sw_code = mono16_to_stereo16;
    556 				break;
    557 			}
    558 			if (p->channels == 2 && p->precision == 16)
    559 				break;
    560 
    561 			return EINVAL;
    562 
    563 		case AUDIO_ENCODING_ULINEAR_LE:
    564 			if (p->channels == 2 && p->precision == 16) {
    565 				p->sw_code = swap_bytes_change_sign16_be;
    566 				break;
    567 			}
    568 			return EINVAL;
    569 
    570 		case AUDIO_ENCODING_ULINEAR_BE:
    571 			if (p->channels == 2 && p->precision == 16) {
    572 				p->sw_code = change_sign16_be;
    573 				break;
    574 			}
    575 			return EINVAL;
    576 
    577 		case AUDIO_ENCODING_ULAW:
    578 			if (mode == AUMODE_PLAY) {
    579 				p->factor = 2;
    580 				p->sw_code = mulaw_to_slinear16_be;
    581 				break;
    582 			} else
    583 				break;		/* XXX */
    584 
    585 			return EINVAL;
    586 
    587 		case AUDIO_ENCODING_ALAW:
    588 			if (mode == AUMODE_PLAY) {
    589 				p->factor = 2;
    590 				p->sw_code = alaw_to_slinear16_be;
    591 				break;
    592 			}
    593 			return EINVAL;
    594 
    595 		default:
    596 			return EINVAL;
    597 		}
    598 	}
    599 
    600 	/* Set the speed */
    601 	if (p != NULL && awacs_set_rate(sc, p))
    602 		return EINVAL;
    603 
    604 	return 0;
    605 }
    606 
    607 int
    608 awacs_round_blocksize(h, size)
    609 	void *h;
    610 	int size;
    611 {
    612 	if (size < PAGE_SIZE)
    613 		size = PAGE_SIZE;
    614 	return size & ~PGOFSET;
    615 }
    616 
    617 int
    618 awacs_halt_output(h)
    619 	void *h;
    620 {
    621 	struct awacs_softc *sc = h;
    622 
    623 	dbdma_stop(sc->sc_odma);
    624 	dbdma_reset(sc->sc_odma);
    625 	return 0;
    626 }
    627 
    628 int
    629 awacs_halt_input(h)
    630 	void *h;
    631 {
    632 	struct awacs_softc *sc = h;
    633 
    634 	dbdma_stop(sc->sc_idma);
    635 	dbdma_reset(sc->sc_idma);
    636 	return 0;
    637 }
    638 
    639 int
    640 awacs_getdev(h, retp)
    641 	void *h;
    642 	struct audio_device *retp;
    643 {
    644 	*retp = awacs_device;
    645 	return 0;
    646 }
    647 
    648 enum {
    649 	AWACS_MONITOR_CLASS,
    650 	AWACS_OUTPUT_CLASS,
    651 	AWACS_RECORD_CLASS,
    652 	AWACS_OUTPUT_SELECT,
    653 	AWACS_VOL_SPEAKER,
    654 	AWACS_VOL_HEADPHONE,
    655 	AWACS_INPUT_SELECT,
    656 	AWACS_VOL_INPUT,
    657 	AWACS_ENUM_LAST
    658 };
    659 
    660 int
    661 awacs_set_port(h, mc)
    662 	void *h;
    663 	mixer_ctrl_t *mc;
    664 {
    665 	struct awacs_softc *sc = h;
    666 	int l, r;
    667 
    668 	DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
    669 
    670 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
    671 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
    672 
    673 	switch (mc->dev) {
    674 	case AWACS_OUTPUT_SELECT:
    675 		/* No change necessary? */
    676 		if (mc->un.mask == sc->sc_output_mask)
    677 			return 0;
    678 
    679 		sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
    680 		if (mc->un.mask & 1 << 0)
    681 			sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
    682 		if (mc->un.mask & 1 << 1)
    683 			sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
    684 
    685 		awacs_write_codec(sc, sc->sc_codecctl1);
    686 		sc->sc_output_mask = mc->un.mask;
    687 		return 0;
    688 
    689 	case AWACS_VOL_SPEAKER:
    690 		awacs_set_speaker_volume(sc, l, r);
    691 		return 0;
    692 
    693 	case AWACS_VOL_HEADPHONE:
    694 		awacs_set_ext_volume(sc, l, r);
    695 		return 0;
    696 
    697 	case AWACS_INPUT_SELECT:
    698 		/* no change necessary? */
    699 		if (mc->un.mask == sc->sc_record_source)
    700 			return 0;
    701 		switch (mc->un.mask) {
    702 		case 1 << 0: /* CD */
    703 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    704 			sc->sc_codecctl0 |= AWACS_INPUT_CD;
    705 			awacs_write_codec(sc, sc->sc_codecctl0);
    706 			break;
    707 		case 1 << 1: /* microphone */
    708 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    709 			sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
    710 			awacs_write_codec(sc, sc->sc_codecctl0);
    711 			break;
    712 		case 1 << 2: /* line in */
    713 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
    714 			sc->sc_codecctl0 |= AWACS_INPUT_LINE;
    715 			awacs_write_codec(sc, sc->sc_codecctl0);
    716 			break;
    717 		default: /* invalid argument */
    718 			return EINVAL;
    719 		}
    720 		sc->sc_record_source = mc->un.mask;
    721 		return 0;
    722 
    723 	case AWACS_VOL_INPUT:
    724 		sc->sc_codecctl0 &= ~0xff;
    725 		sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
    726 		awacs_write_codec(sc, sc->sc_codecctl0);
    727 		return 0;
    728 	}
    729 
    730 	return ENXIO;
    731 }
    732 
    733 int
    734 awacs_get_port(h, mc)
    735 	void *h;
    736 	mixer_ctrl_t *mc;
    737 {
    738 	struct awacs_softc *sc = h;
    739 	int vol, l, r;
    740 
    741 	DPRINTF("awacs_get_port dev = %d, type = %d\n", mc->dev, mc->type);
    742 
    743 	switch (mc->dev) {
    744 	case AWACS_OUTPUT_SELECT:
    745 		mc->un.mask = sc->sc_output_mask;
    746 		return 0;
    747 
    748 	case AWACS_VOL_SPEAKER:
    749 		vol = sc->sc_codecctl4;
    750 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
    751 		r = (15 - (vol & 0x0f)) * 16;
    752 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    753 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    754 		return 0;
    755 
    756 	case AWACS_VOL_HEADPHONE:
    757 		vol = sc->sc_codecctl2;
    758 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
    759 		r = (15 - (vol & 0x0f)) * 16;
    760 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    761 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    762 		return 0;
    763 
    764 	case AWACS_INPUT_SELECT:
    765 		mc->un.mask = sc->sc_record_source;
    766 		return 0;
    767 
    768 	case AWACS_VOL_INPUT:
    769 		vol = sc->sc_codecctl0 & 0xff;
    770 		l = (vol & 0xf0);
    771 		r = (vol & 0x0f) << 4;
    772 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
    773 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
    774 		return 0;
    775 
    776 	default:
    777 		return ENXIO;
    778 	}
    779 
    780 	return 0;
    781 }
    782 
    783 int
    784 awacs_query_devinfo(h, dip)
    785 	void *h;
    786 	mixer_devinfo_t *dip;
    787 {
    788 
    789 	DPRINTF("query_devinfo %d\n", dip->index);
    790 
    791 	switch (dip->index) {
    792 
    793 	case AWACS_OUTPUT_SELECT:
    794 		dip->mixer_class = AWACS_MONITOR_CLASS;
    795 		strcpy(dip->label.name, AudioNoutput);
    796 		dip->type = AUDIO_MIXER_SET;
    797 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    798 		dip->un.s.num_mem = 2;
    799 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
    800 		dip->un.s.member[0].mask = 1 << 0;
    801 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
    802 		dip->un.s.member[1].mask = 1 << 1;
    803 		return 0;
    804 
    805 	case AWACS_VOL_SPEAKER:
    806 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    807 		strcpy(dip->label.name, AudioNspeaker);
    808 		dip->type = AUDIO_MIXER_VALUE;
    809 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    810 		dip->un.v.num_channels = 2;
    811 		strcpy(dip->un.v.units.name, AudioNvolume);
    812 		return 0;
    813 
    814 	case AWACS_VOL_HEADPHONE:
    815 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    816 		strcpy(dip->label.name, AudioNheadphone);
    817 		dip->type = AUDIO_MIXER_VALUE;
    818 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    819 		dip->un.v.num_channels = 2;
    820 		strcpy(dip->un.v.units.name, AudioNvolume);
    821 		return 0;
    822 
    823 	case AWACS_INPUT_SELECT:
    824 		dip->mixer_class = AWACS_RECORD_CLASS;
    825 		strcpy(dip->label.name, AudioNsource);
    826 		dip->type = AUDIO_MIXER_SET;
    827 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    828 		dip->un.s.num_mem = 3;
    829 		strcpy(dip->un.s.member[0].label.name, AudioNcd);
    830 		dip->un.s.member[0].mask = 1 << 0;
    831 		strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
    832 		dip->un.s.member[1].mask = 1 << 1;
    833 		strcpy(dip->un.s.member[2].label.name, AudioNline);
    834 		dip->un.s.member[2].mask = 1 << 2;
    835 		return 0;
    836 
    837 	case AWACS_VOL_INPUT:
    838 		dip->mixer_class = AWACS_RECORD_CLASS;
    839 		strcpy(dip->label.name, AudioNrecord);
    840 		dip->type = AUDIO_MIXER_VALUE;
    841 		dip->prev = dip->next = AUDIO_MIXER_LAST;
    842 		dip->un.v.num_channels = 2;
    843 		strcpy(dip->un.v.units.name, AudioNvolume);
    844 		return 0;
    845 
    846 	case AWACS_MONITOR_CLASS:
    847 		dip->mixer_class = AWACS_MONITOR_CLASS;
    848 		strcpy(dip->label.name, AudioCmonitor);
    849 		dip->type = AUDIO_MIXER_CLASS;
    850 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    851 		return 0;
    852 
    853 	case AWACS_OUTPUT_CLASS:
    854 		dip->mixer_class = AWACS_OUTPUT_CLASS;
    855 		strcpy(dip->label.name, AudioCoutputs);
    856 		dip->type = AUDIO_MIXER_CLASS;
    857 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    858 		return 0;
    859 
    860 	case AWACS_RECORD_CLASS:
    861 		dip->mixer_class = AWACS_RECORD_CLASS;
    862 		strcpy(dip->label.name, AudioCrecord);
    863 		dip->type = AUDIO_MIXER_CLASS;
    864 		dip->next = dip->prev = AUDIO_MIXER_LAST;
    865 		return 0;
    866 	}
    867 
    868 	return ENXIO;
    869 }
    870 
    871 size_t
    872 awacs_round_buffersize(h, dir, size)
    873 	void *h;
    874 	int dir;
    875 	size_t size;
    876 {
    877 	if (size > 65536)
    878 		size = 65536;
    879 	return size;
    880 }
    881 
    882 paddr_t
    883 awacs_mappage(h, mem, off, prot)
    884 	void *h;
    885 	void *mem;
    886 	off_t off;
    887 	int prot;
    888 {
    889 	if (off < 0)
    890 		return -1;
    891 	return -1;	/* XXX */
    892 }
    893 
    894 int
    895 awacs_get_props(h)
    896 	void *h;
    897 {
    898 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
    899 }
    900 
    901 int
    902 awacs_trigger_output(h, start, end, bsize, intr, arg, param)
    903 	void *h;
    904 	void *start, *end;
    905 	int bsize;
    906 	void (*intr)(void *);
    907 	void *arg;
    908 	struct audio_params *param;
    909 {
    910 	struct awacs_softc *sc = h;
    911 	struct dbdma_command *cmd = sc->sc_odmacmd;
    912 	vaddr_t va;
    913 	int i, len, intmode;
    914 
    915 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
    916 
    917 	sc->sc_ointr = intr;
    918 	sc->sc_oarg = arg;
    919 	sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE;
    920 
    921 #ifdef DIAGNOSTIC
    922 	if (sc->sc_opages > 16)
    923 		panic("awacs_trigger_output");
    924 #endif
    925 
    926 	va = (vaddr_t)start;
    927 	len = 0;
    928 	for (i = sc->sc_opages; i > 0; i--) {
    929 		len += PAGE_SIZE;
    930 		if (len < bsize)
    931 			intmode = DBDMA_INT_NEVER;
    932 		else {
    933 			len = 0;
    934 			intmode = DBDMA_INT_ALWAYS;
    935 		}
    936 
    937 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va),
    938 			intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
    939 		va += PAGE_SIZE;
    940 		cmd++;
    941 	}
    942 
    943 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
    944 		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
    945 	dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
    946 
    947 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
    948 
    949 	return 0;
    950 }
    951 
    952 int
    953 awacs_trigger_input(h, start, end, bsize, intr, arg, param)
    954 	void *h;
    955 	void *start, *end;
    956 	int bsize;
    957 	void (*intr)(void *);
    958 	void *arg;
    959 	struct audio_params *param;
    960 {
    961 	printf("awacs_trigger_input called\n");
    962 
    963 	return 1;
    964 }
    965 
    966 void
    967 awacs_set_speaker_volume(sc, left, right)
    968 	struct awacs_softc *sc;
    969 	int left, right;
    970 {
    971 	int lval = 15 - (left  & 0xff) / 16;
    972 	int rval = 15 - (right & 0xff) / 16;
    973 
    974 	DPRINTF("speaker_volume %d %d\n", lval, rval);
    975 
    976 	sc->sc_codecctl4 &= ~0x3cf;
    977 	sc->sc_codecctl4 |= (lval << 6) | rval;
    978 	awacs_write_codec(sc, sc->sc_codecctl4);
    979 }
    980 
    981 void
    982 awacs_set_ext_volume(sc, left, right)
    983 	struct awacs_softc *sc;
    984 	int left, right;
    985 {
    986 	int lval = 15 - (left  & 0xff) / 16;
    987 	int rval = 15 - (right & 0xff) / 16;
    988 
    989 	DPRINTF("ext_volume %d %d\n", lval, rval);
    990 
    991 	sc->sc_codecctl2 &= ~0x3cf;
    992 	sc->sc_codecctl2 |= (lval << 6) | rval;
    993 	awacs_write_codec(sc, sc->sc_codecctl2);
    994 }
    995 
    996 int
    997 awacs_set_rate(sc, p)
    998 	struct awacs_softc *sc;
    999 	struct audio_params *p;
   1000 {
   1001 	int c;
   1002 
   1003 	switch (p->sample_rate) {
   1004 	case 48000:
   1005 		p->hw_sample_rate = 44100;
   1006 		c = AWACS_RATE_44100;
   1007 		break;
   1008 	case 44100:
   1009 		c = AWACS_RATE_44100;
   1010 		break;
   1011 	case 29400:
   1012 		c = AWACS_RATE_29400;
   1013 		break;
   1014 	case 22050:
   1015 		c = AWACS_RATE_22050;
   1016 		break;
   1017 	case 17640:
   1018 		c = AWACS_RATE_17640;
   1019 		break;
   1020 	case 14700:
   1021 		c = AWACS_RATE_14700;
   1022 		break;
   1023 	case 11025:
   1024 		c = AWACS_RATE_11025;
   1025 		break;
   1026 	case 8820:
   1027 		c = AWACS_RATE_8820;
   1028 		break;
   1029 	case 8000: /* XXX */
   1030 	case 7350:
   1031 		c = AWACS_RATE_7350;
   1032 		break;
   1033 	default:
   1034 		return -1;
   1035 	}
   1036 
   1037 	sc->sc_soundctl &= ~AWACS_RATE_MASK;
   1038 	sc->sc_soundctl |= c;
   1039 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
   1040 
   1041 	return 0;
   1042 }
   1043