/* $OpenBSD: awacs.c,v 1.19 2007/04/22 22:31:14 deraadt Exp $ */
/* $NetBSD: awacs.c,v 1.4 2001/02/26 21:07:51 wiz Exp $ */
/*-
* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/audioio.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <dev/auconv.h>
#include <dev/audio_if.h>
#include <dev/mulaw.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <macppc/dev/dbdma.h>
#ifdef AWACS_DEBUG
# define DPRINTF printf
#else
# define DPRINTF while (0) printf
#endif
#define AWACS_DMALIST_MAX 32
#define AWACS_DMASEG_MAX NBPG
struct awacs_dma {
bus_dmamap_t map;
caddr_t addr;
bus_dma_segment_t segs[AWACS_DMALIST_MAX];
int nsegs;
size_t size;
struct awacs_dma *next;
};
struct awacs_softc {
struct device sc_dev;
void (*sc_ointr)(void *); /* dma completion intr handler */
void *sc_oarg; /* arg for sc_ointr() */
void (*sc_iintr)(void *); /* dma completion intr handler */
void *sc_iarg; /* arg for sc_iintr() */
u_int sc_record_source; /* recording source mask */
u_int sc_output_mask; /* output source mask */
char *sc_reg;
u_int sc_codecctl0;
u_int sc_codecctl1;
u_int sc_codecctl2;
u_int sc_codecctl4;
u_int sc_soundctl;
bus_dma_tag_t sc_dmat;
struct dbdma_regmap *sc_odma;
struct dbdma_regmap *sc_idma;
struct dbdma_command *sc_odmacmd, *sc_odmap;
struct dbdma_command *sc_idmacmd, *sc_idmap;
dbdma_t sc_odbdma, sc_idbdma;
struct awacs_dma *sc_dmas;
};
int awacs_match(struct device *, void *, void *);
void awacs_attach(struct device *, struct device *, void *);
int awacs_intr(void *);
int awacs_tx_intr(void *);
int awacs_rx_intr(void *);
int awacs_open(void *, int);
void awacs_close(void *);
int awacs_query_encoding(void *, struct audio_encoding *);
int awacs_set_params(void *, int, int, struct audio_params *,
struct audio_params *);
int awacs_round_blocksize(void *, int);
int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int awacs_halt_output(void *);
int awacs_halt_input(void *);
int awacs_getdev(void *, struct audio_device *);
int awacs_set_port(void *, mixer_ctrl_t *);
int awacs_get_port(void *, mixer_ctrl_t *);
int awacs_query_devinfo(void *, mixer_devinfo_t *);
size_t awacs_round_buffersize(void *, int, size_t);
paddr_t awacs_mappage(void *, void *, off_t, int);
int awacs_get_props(void *);
void *awacs_allocm(void *, int, size_t, int, int);
static inline u_int awacs_read_reg(struct awacs_softc *, int);
static inline void awacs_write_reg(struct awacs_softc *, int, int);
void awacs_write_codec(struct awacs_softc *, int);
void awacs_set_speaker_volume(struct awacs_softc *, int, int);
void awacs_set_ext_volume(struct awacs_softc *, int, int);
void awacs_set_rate(struct awacs_softc *, struct audio_params *);
void awacs_mono16_to_stereo16(void *, u_char *, int);
void awacs_swap_bytes_mono16_to_stereo16(void *, u_char *, int);
void awacs_cvt_ulinear_mono_16_be(void *, u_char *, int);
void awacs_cvt_ulinear_mono_16_le(void *, u_char *, int);
struct cfattach awacs_ca = {
sizeof(struct awacs_softc), awacs_match, awacs_attach
};
struct cfdriver awacs_cd = {
NULL, "awacs", DV_DULL
};
struct audio_hw_if awacs_hw_if = {
awacs_open,
awacs_close,
NULL, /* drain */
awacs_query_encoding,
awacs_set_params,
awacs_round_blocksize,
NULL, /* commit_setting */
NULL, /* init_output */
NULL, /* init_input */
NULL, /* start_output */
NULL, /* start_input */
awacs_halt_output,
awacs_halt_input,
NULL, /* speaker_ctl */
awacs_getdev,
NULL, /* getfd */
awacs_set_port,
awacs_get_port,
awacs_query_devinfo,
awacs_allocm, /* allocm */
NULL, /* freem */
awacs_round_buffersize, /* round_buffersize */
awacs_mappage,
awacs_get_props,
awacs_trigger_output,
awacs_trigger_input
};
struct audio_device awacs_device = {
"AWACS",
"",
"awacs"
};
/* register offset */
#define AWACS_SOUND_CTRL 0x00
#define AWACS_CODEC_CTRL 0x10
#define AWACS_CODEC_STATUS 0x20
#define AWACS_CLIP_COUNT 0x30
#define AWACS_BYTE_SWAP 0x40
/* sound control */
#define AWACS_INPUT_SUBFRAME0 0x00000001
#define AWACS_INPUT_SUBFRAME1 0x00000002
#define AWACS_INPUT_SUBFRAME2 0x00000004
#define AWACS_INPUT_SUBFRAME3 0x00000008
#define AWACS_OUTPUT_SUBFRAME0 0x00000010
#define AWACS_OUTPUT_SUBFRAME1 0x00000020
#define AWACS_OUTPUT_SUBFRAME2 0x00000040
#define AWACS_OUTPUT_SUBFRAME3 0x00000080
#define AWACS_RATE_44100 0x00000000
#define AWACS_RATE_29400 0x00000100
#define AWACS_RATE_22050 0x00000200
#define AWACS_RATE_17640 0x00000300
#define AWACS_RATE_14700 0x00000400
#define AWACS_RATE_11025 0x00000500
#define AWACS_RATE_8820 0x00000600
#define AWACS_RATE_7350 0x00000700
#define AWACS_RATE_MASK 0x00000700
#define AWACS_CTL_CNTRLERR (1 << 11)
#define AWACS_CTL_PORTCHG (1 << 12)
#define AWACS_INT_CNTRLERR (1 << 13)
#define AWACS_INT_PORTCHG (1 << 14)
/* codec control */
#define AWACS_CODEC_ADDR0 0x00000000
#define AWACS_CODEC_ADDR1 0x00001000
#define AWACS_CODEC_ADDR2 0x00002000
#define AWACS_CODEC_ADDR4 0x00004000
#define AWACS_CODEC_EMSEL0 0x00000000
#define AWACS_CODEC_EMSEL1 0x00400000
#define AWACS_CODEC_EMSEL2 0x00800000
#define AWACS_CODEC_EMSEL4 0x00c00000
#define AWACS_CODEC_BUSY 0x01000000
/* cc0 */
#define AWACS_DEFAULT_CD_GAIN 0x000000bb
#define AWACS_INPUT_CD 0x00000200
#define AWACS_INPUT_LINE 0x00000400
#define AWACS_INPUT_MICROPHONE 0x00000800
#define AWACS_INPUT_MASK 0x00000e00
/* cc1 */
#define AWACS_MUTE_SPEAKER 0x00000080
#define AWACS_MUTE_HEADPHONE 0x00000200
const struct awacs_speed_tab {
int rate;
u_int32_t bits;
} awacs_speeds[] = {
{ 7350, AWACS_RATE_7350 },
{ 8820, AWACS_RATE_8820 },
{ 11025, AWACS_RATE_11025 },
{ 14700, AWACS_RATE_14700 },
{ 17640, AWACS_RATE_17640 },
{ 22050, AWACS_RATE_22050 },
{ 29400, AWACS_RATE_29400 },
{ 44100, AWACS_RATE_44100 },
};
int
awacs_match(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
if (strcmp(ca->ca_name, "awacs") != 0 &&
strcmp(ca->ca_name, "davbus") != 0)
return 0;
#ifdef DEBUG
printf("awacs: matched %s nreg %d nintr %d\n",
ca->ca_name, ca->ca_nreg, ca->ca_nintr);
#endif
if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
return 0;
/* XXX for now
if (ca->ca_nintr > 12)
return 0;
*/
return 1;
}
void
awacs_attach(struct device *parent, struct device *self, void *aux)
{
struct awacs_softc *sc = (struct awacs_softc *)self;
struct confargs *ca = aux;
int cirq, oirq, iirq;
int cirq_type, oirq_type, iirq_type;
ca->ca_reg[0] += ca->ca_baseaddr;
ca->ca_reg[2] += ca->ca_baseaddr;
ca->ca_reg[4] += ca->ca_baseaddr;
sc->sc_reg = mapiodev(ca->ca_reg[0], ca->ca_reg[1]);
sc->sc_dmat = ca->ca_dmat;
sc->sc_odma = mapiodev(ca->ca_reg[2], ca->ca_reg[3]); /* out */
sc->sc_idma = mapiodev(ca->ca_reg[4], ca->ca_reg[5]); /* in */
sc->sc_odbdma = dbdma_alloc(sc->sc_dmat, AWACS_DMALIST_MAX);
sc->sc_odmacmd = sc->sc_odbdma->d_addr;
sc->sc_idbdma = dbdma_alloc(sc->sc_dmat, AWACS_DMALIST_MAX);
sc->sc_idmacmd = sc->sc_idbdma->d_addr;
if (ca->ca_nintr == 24) {
cirq = ca->ca_intr[0];
oirq = ca->ca_intr[2];
iirq = ca->ca_intr[4];
cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
} else {
cirq = ca->ca_intr[0];
oirq = ca->ca_intr[1];
iirq = ca->ca_intr[2];
cirq_type = oirq_type = iirq_type = IST_LEVEL;
}
mac_intr_establish(parent, cirq, cirq_type, IPL_AUDIO, awacs_intr,
sc, sc->sc_dev.dv_xname);
mac_intr_establish(parent, oirq, oirq_type, IPL_AUDIO, awacs_tx_intr,
sc, sc->sc_dev.dv_xname);
mac_intr_establish(parent, iirq, iirq_type, IPL_AUDIO, awacs_rx_intr,
sc, sc->sc_dev.dv_xname);
printf(": irq %d,%d,%d",
cirq, oirq, iirq);
sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
AWACS_RATE_44100 | AWACS_INT_PORTCHG;
awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
awacs_write_codec(sc, sc->sc_codecctl0);
/* Set initial volume[s] */
awacs_set_speaker_volume(sc, 80, 80);
awacs_set_ext_volume(sc, 80, 80);
/* Set loopback (for CD?) */
/* sc->sc_codecctl1 |= 0x440; */
sc->sc_codecctl1 |= 0x40;
awacs_write_codec(sc, sc->sc_codecctl1);
/* check for headphone present */
if (awacs_read_reg(sc, AWACS_CODEC_STATUS) & 0x8) {
/* default output to speakers */
printf(" headphones");
sc->sc_output_mask = 1 << 1;
sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER;
awacs_write_codec(sc, sc->sc_codecctl1);
} else {
/* default output to speakers */
printf(" speaker");
sc->sc_output_mask = 1 << 0;
sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
sc->sc_codecctl1 |= AWACS_MUTE_HEADPHONE;
awacs_write_codec(sc, sc->sc_codecctl1);
}
/* default input from CD */
sc->sc_record_source = 1 << 0;
sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
sc->sc_codecctl0 |= AWACS_INPUT_CD;
awacs_write_codec(sc, sc->sc_codecctl0);
/* Enable interrupts and looping mode. */
/* XXX ... */
awacs_halt_output(sc);
awacs_halt_input(sc);
printf("\n");
audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
}
u_int
awacs_read_reg(struct awacs_softc *sc, int reg)
{
char *addr = sc->sc_reg;
return in32rb(addr + reg);
}
void
awacs_write_reg(struct awacs_softc *sc, int reg, int val)
{
char *addr = sc->sc_reg;
out32rb(addr + reg, val);
}
void
awacs_write_codec(struct awacs_softc *sc, int value)
{
awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
}
int
awacs_intr(void *v)
{
int reason;
struct awacs_softc *sc = v;
reason = awacs_read_reg(sc, AWACS_SOUND_CTRL);
if (reason & AWACS_CTL_CNTRLERR) {
/* change outputs ?? */
}
if (reason & AWACS_CTL_PORTCHG) {
#ifdef DEBUG
printf("status = %x\n", awacs_read_reg(sc, AWACS_CODEC_STATUS));
#endif
if (awacs_read_reg(sc, AWACS_CODEC_STATUS) & 0x8) {
/* default output to speakers */
sc->sc_output_mask = 1 << 1;
sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER;
awacs_write_codec(sc, sc->sc_codecctl1);
} else {
/* default output to speakers */
sc->sc_output_mask = 1 << 0;
sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
sc->sc_codecctl1 |= AWACS_MUTE_HEADPHONE;
awacs_write_codec(sc, sc->sc_codecctl1);
}
}
awacs_write_reg(sc, AWACS_SOUND_CTRL, reason); /* clear interrupt */
return 1;
}
int
awacs_tx_intr(void *v)
{
struct awacs_softc *sc = v;
struct dbdma_command *cmd = sc->sc_odmap;
u_int16_t c, status;
/* if not set we are not running */
if (!cmd)
return (0);
c = in16rb(&cmd->d_command);
status = in16rb(&cmd->d_status);
if (c >> 12 == DBDMA_CMD_OUT_LAST)
sc->sc_odmap = sc->sc_odmacmd;
else
sc->sc_odmap++;
if (c & (DBDMA_INT_ALWAYS << 4)) {
cmd->d_status = 0;
if (status) /* status == 0x8400 */
if (sc->sc_ointr)
(*sc->sc_ointr)(sc->sc_oarg);
}
return (1);
}
int
awacs_rx_intr(void *v)
{
struct awacs_softc *sc = v;
struct dbdma_command *cmd = sc->sc_idmap;
u_int16_t c, status;
/* if not set we are not running */
if (!cmd)
return (0);
c = in16rb(&cmd->d_command);
status = in16rb(&cmd->d_status);
if (c >> 12 == DBDMA_CMD_IN_LAST)
sc->sc_idmap = sc->sc_idmacmd;
else
sc->sc_idmap++;
if (c & (DBDMA_INT_ALWAYS << 4)) {
cmd->d_status = 0;
if (status) /* status == 0x8400 */
if (sc->sc_iintr)
(*sc->sc_iintr)(sc->sc_iarg);
}
return (1);
}
int
awacs_open(void *h, int flags)
{
return 0;
}
/*
* Close function is called at splaudio().
*/
void
awacs_close(void *h)
{
struct awacs_softc *sc = h;
awacs_halt_output(sc);
awacs_halt_input(sc);
sc->sc_ointr = 0;
sc->sc_iintr = 0;
}
int
awacs_query_encoding(void *h, struct audio_encoding *ae)
{
switch (ae->index) {
case 0:
strlcpy(ae->name, AudioEslinear, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_SLINEAR;
ae->precision = 16;
ae->flags = 0;
break;
case 1:
strlcpy(ae->name, AudioEslinear_be, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
ae->precision = 16;
ae->flags = 0;
break;
case 2:
strlcpy(ae->name, AudioEslinear_le, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
ae->precision = 16;
ae->flags = 0;
break;
case 3:
strlcpy(ae->name, AudioEmulaw, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_ULAW;
ae->precision = 8;
ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 4:
strlcpy(ae->name, AudioEalaw, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_ALAW;
ae->precision = 8;
ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 5:
strlcpy(ae->name, AudioEulinear, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_ULINEAR;
ae->precision = 16;
ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 6:
strlcpy(ae->name, AudioEulinear_le, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
ae->precision = 16;
ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 7:
strlcpy(ae->name, AudioEulinear_be, sizeof ae->name);
ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
ae->precision = 16;
ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
default:
return (EINVAL);
}
return (0);
}
void
awacs_mono16_to_stereo16(void *v, u_char *p, int cc)
{
int x;
int16_t *src, *dst;
src = (void *)(p + cc);
dst = (void *)(p + cc * 2);
while (cc > 0) {
x = *--src;
*--dst = x;
*--dst = x;
cc -= 2;
}
}
void
awacs_swap_bytes_mono16_to_stereo16(void *v, u_char *p, int cc)
{
swap_bytes(v, p, cc);
awacs_mono16_to_stereo16(v, p, cc);
}
void
awacs_cvt_ulinear_mono_16_le(void *v, u_char *p, int cc)
{
swap_bytes_change_sign16_be(v, p, cc);
awacs_mono16_to_stereo16(v, p, cc);
}
void
awacs_cvt_ulinear_mono_16_be(void *v, u_char *p, int cc)
{
change_sign16_be(v, p, cc);
awacs_mono16_to_stereo16(v, p, cc);
}
int
awacs_set_params(void *h, int setmode, int usemode, struct audio_params *play,
struct audio_params *rec)
{
struct awacs_softc *sc = h;
struct audio_params *p;
int mode;
/*
* This device only has one clock, so make the sample rates match.
*/
if (play->sample_rate != rec->sample_rate &&
usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
if (setmode == AUMODE_PLAY) {
rec->sample_rate = play->sample_rate;
setmode |= AUMODE_RECORD;
} else if (setmode == AUMODE_RECORD) {
play->sample_rate = rec->sample_rate;
setmode |= AUMODE_PLAY;
} else
return EINVAL;
}
for (mode = AUMODE_RECORD; mode != -1;
mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
if ((setmode & mode) == 0)
continue;
p = mode == AUMODE_PLAY ? play : rec;
if (p->sample_rate < 4000 || p->sample_rate > 50000 ||
(p->precision != 8 && p->precision != 16) ||
(p->channels != 1 && p->channels != 2))
return EINVAL;
p->factor = 1;
p->sw_code = NULL;
awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
switch (p->encoding) {
case AUDIO_ENCODING_SLINEAR_LE:
if (p->channels == 2 && p->precision == 16) {
p->sw_code = swap_bytes;
break;
}
if (p->channels == 1 && p->precision == 16) {
p->factor = 2;
p->sw_code =
awacs_swap_bytes_mono16_to_stereo16;
break;
}
return (EINVAL);
case AUDIO_ENCODING_SLINEAR_BE:
if (p->channels == 2 && p->precision == 16)
break;
if (p->channels == 1 && p->precision == 16) {
p->factor = 2;
p->sw_code = awacs_mono16_to_stereo16;
break;
}
return (EINVAL);
case AUDIO_ENCODING_ULINEAR_LE:
if (p->channels == 2 && p->precision == 16) {
p->sw_code = swap_bytes_change_sign16_be;
break;
}
if (p->channels == 1 && p->precision == 16) {
p->factor = 2;
p->sw_code = awacs_cvt_ulinear_mono_16_le;
break;
}
return (EINVAL);
case AUDIO_ENCODING_ULINEAR_BE:
if (p->channels == 2 && p->precision == 16) {
p->sw_code = change_sign16_be;
break;
}
if (p->channels == 1 && p->precision == 16) {
p->factor = 2;
p->sw_code = awacs_cvt_ulinear_mono_16_be;
break;
}
return (EINVAL);
case AUDIO_ENCODING_ULAW:
if (mode == AUMODE_PLAY) {
p->factor = 2;
p->sw_code = mulaw_to_slinear16_be;
break;
} else
break; /* XXX */
return (EINVAL);
case AUDIO_ENCODING_ALAW:
if (mode == AUMODE_PLAY) {
p->factor = 2;
p->sw_code = alaw_to_slinear16_be;
break;
}
return (EINVAL);
default:
return (EINVAL);
}
}
/* Set the speed */
awacs_set_rate(sc, p);
return (0);
}
int
awacs_round_blocksize(void *h, int size)
{
if (size < PAGE_SIZE)
size = PAGE_SIZE;
return (size + PAGE_SIZE / 2) & ~(PGOFSET);
}
int
awacs_halt_output(void *h)
{
struct awacs_softc *sc = h;
dbdma_stop(sc->sc_odma);
dbdma_reset(sc->sc_odma);
dbdma_stop(sc->sc_odma);
sc->sc_odmap = NULL;
return 0;
}
int
awacs_halt_input(void *h)
{
struct awacs_softc *sc = h;
dbdma_stop(sc->sc_idma);
dbdma_reset(sc->sc_idma);
return 0;
}
int
awacs_getdev(void *h, struct audio_device *retp)
{
*retp = awacs_device;
return 0;
}
enum {
AWACS_OUTPUT_SELECT,
AWACS_VOL_SPEAKER,
AWACS_VOL_HEADPHONE,
AWACS_OUTPUT_CLASS,
AWACS_MONITOR_CLASS,
AWACS_INPUT_SELECT,
AWACS_VOL_INPUT,
AWACS_INPUT_CLASS,
AWACS_RECORD_CLASS,
AWACS_ENUM_LAST
};
int
awacs_set_port(void *h, mixer_ctrl_t *mc)
{
struct awacs_softc *sc = h;
int l, r;
DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
switch (mc->dev) {
case AWACS_OUTPUT_SELECT:
/* no change necessary? */
if (mc->un.mask == sc->sc_output_mask)
return 0;
sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
if (mc->un.mask & 1 << 0)
sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
if (mc->un.mask & 1 << 1)
sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
awacs_write_codec(sc, sc->sc_codecctl1);
sc->sc_output_mask = mc->un.mask;
return 0;
case AWACS_VOL_SPEAKER:
awacs_set_speaker_volume(sc, l, r);
return 0;
case AWACS_VOL_HEADPHONE:
awacs_set_ext_volume(sc, l, r);
return 0;
case AWACS_VOL_INPUT:
sc->sc_codecctl0 &= ~0xff;
sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
awacs_write_codec(sc, sc->sc_codecctl0);
return 0;
case AWACS_INPUT_SELECT:
/* no change necessary? */
if (mc->un.mask == sc->sc_record_source)
return 0;
switch(mc->un.mask) {
case 1<<0: /* CD */
sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
sc->sc_codecctl0 |= AWACS_INPUT_CD;
awacs_write_codec(sc, sc->sc_codecctl0);
break;
case 1<<1: /* microphone */
sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
awacs_write_codec(sc, sc->sc_codecctl0);
break;
case 1<<2: /* line in */
sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
sc->sc_codecctl0 |= AWACS_INPUT_LINE;
awacs_write_codec(sc, sc->sc_codecctl0);
break;
default: /* invalid argument */
return -1;
}
sc->sc_record_source = mc->un.mask;
return 0;
}
return ENXIO;
}
int
awacs_get_port(void *h, mixer_ctrl_t *mc)
{
struct awacs_softc *sc = h;
int vol, l, r;
DPRINTF("awacs_get_port dev = %d, type = %d\n", mc->dev, mc->type);
switch (mc->dev) {
case AWACS_OUTPUT_SELECT:
mc->un.mask = sc->sc_output_mask;
return 0;
case AWACS_VOL_SPEAKER:
vol = sc->sc_codecctl4;
l = (15 - ((vol & 0x3c0) >> 6)) * 16;
r = (15 - (vol & 0x0f)) * 16;
mc->un.mask = 1 << 0;
mc->un.value.num_channels = 2;
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
return 0;
case AWACS_VOL_HEADPHONE:
vol = sc->sc_codecctl2;
l = (15 - ((vol & 0x3c0) >> 6)) * 16;
r = (15 - (vol & 0x0f)) * 16;
mc->un.mask = 1 << 1;
mc->un.value.num_channels = 2;
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
return 0;
case AWACS_INPUT_SELECT:
mc->un.mask = sc->sc_record_source;
return 0;
case AWACS_VOL_INPUT:
vol = sc->sc_codecctl0 & 0xff;
l = (vol & 0xf0);
r = (vol & 0x0f) << 4;
mc->un.mask = sc->sc_record_source;
mc->un.value.num_channels = 2;
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
return 0;
default:
return ENXIO;
}
return 0;
}
int
awacs_query_devinfo(void *h, mixer_devinfo_t *dip)
{
DPRINTF("query_devinfo %d\n", dip->index);
switch (dip->index) {
case AWACS_OUTPUT_SELECT:
dip->mixer_class = AWACS_OUTPUT_CLASS;
strlcpy(dip->label.name, AudioNselect, sizeof dip->label.name);
dip->type = AUDIO_MIXER_SET;
dip->prev = dip->next = AUDIO_MIXER_LAST;
dip->un.s.num_mem = 2;
strlcpy(dip->un.s.member[0].label.name, AudioNspeaker,
sizeof dip->un.s.member[0].label.name);
dip->un.s.member[0].mask = 1 << 0;
strlcpy(dip->un.s.member[1].label.name, AudioNheadphone,
sizeof dip->un.s.member[0].label.name);
dip->un.s.member[1].mask = 1 << 1;
return 0;
case AWACS_VOL_SPEAKER:
dip->mixer_class = AWACS_OUTPUT_CLASS;
strlcpy(dip->label.name, AudioNspeaker,
sizeof dip->label.name);
dip->type = AUDIO_MIXER_VALUE;
dip->prev = dip->next = AUDIO_MIXER_LAST;
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
return 0;
case AWACS_VOL_HEADPHONE:
dip->mixer_class = AWACS_OUTPUT_CLASS;
strlcpy(dip->label.name, AudioNheadphone,
sizeof dip->label.name);
dip->type = AUDIO_MIXER_VALUE;
dip->prev = dip->next = AUDIO_MIXER_LAST;
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
return 0;
case AWACS_INPUT_SELECT:
dip->mixer_class = AWACS_RECORD_CLASS;
strlcpy(dip->label.name, AudioNsource, sizeof dip->label.name);
dip->type = AUDIO_MIXER_SET;
dip->prev = dip->next = AUDIO_MIXER_LAST;
dip->un.s.num_mem = 3;
strlcpy(dip->un.s.member[0].label.name, AudioNcd,
sizeof dip->un.s.member[0].label.name);
dip->un.s.member[0].mask = 1 << 0;
strlcpy(dip->un.s.member[1].label.name, AudioNmicrophone,
sizeof dip->un.s.member[1].label.name);
dip->un.s.member[1].mask = 1 << 1;
strlcpy(dip->un.s.member[2].label.name, AudioNline,
sizeof dip->un.s.member[2].label.name);
dip->un.s.member[2].mask = 1 << 2;
return 0;
case AWACS_VOL_INPUT:
dip->mixer_class = AWACS_RECORD_CLASS;
strlcpy(dip->label.name, AudioNmaster, sizeof dip->label.name);
dip->type = AUDIO_MIXER_VALUE;
dip->prev = dip->next = AUDIO_MIXER_LAST;
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
return 0;
case AWACS_MONITOR_CLASS:
dip->mixer_class = AWACS_MONITOR_CLASS;
strlcpy(dip->label.name, AudioCmonitor, sizeof dip->label.name);
dip->type = AUDIO_MIXER_CLASS;
dip->next = dip->prev = AUDIO_MIXER_LAST;
return 0;
case AWACS_OUTPUT_CLASS:
dip->mixer_class = AWACS_OUTPUT_CLASS;
strlcpy(dip->label.name, AudioCoutputs, sizeof dip->label.name);
dip->type = AUDIO_MIXER_CLASS;
dip->next = dip->prev = AUDIO_MIXER_LAST;
return 0;
case AWACS_RECORD_CLASS:
dip->mixer_class = AWACS_MONITOR_CLASS;
strlcpy(dip->label.name, AudioCrecord, sizeof dip->label.name);
dip->type = AUDIO_MIXER_CLASS;
dip->next = dip->prev = AUDIO_MIXER_LAST;
return 0;
}
return ENXIO;
}
size_t
awacs_round_buffersize(void *h, int dir, size_t size)
{
size = (size + PGOFSET) & ~(PGOFSET);
if (size > AWACS_DMALIST_MAX * AWACS_DMASEG_MAX)
size = AWACS_DMALIST_MAX * AWACS_DMASEG_MAX;
return (size);
}
void *
awacs_allocm(void *h, int dir, size_t size, int type, int flags)
{
struct awacs_softc *sc = h;
struct awacs_dma *p;
int error;
if (size > AWACS_DMALIST_MAX * AWACS_DMASEG_MAX)
return (NULL);
p = malloc(sizeof(*p), type, flags);
if (!p)
return (NULL);
bzero(p, sizeof(*p));
/* convert to the bus.h style, not used otherwise */
if (flags & M_NOWAIT)
flags = BUS_DMA_NOWAIT;
p->size = size;
if ((error = bus_dmamem_alloc(sc->sc_dmat, p->size, NBPG, 0, p->segs,
1, &p->nsegs, flags)) != 0) {
printf("%s: unable to allocate dma, error = %d\n",
sc->sc_dev.dv_xname, error);
free(p, type);
return NULL;
}
if ((error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size,
&p->addr, flags | BUS_DMA_COHERENT)) != 0) {
printf("%s: unable to map dma, error = %d\n",
sc->sc_dev.dv_xname, error);
bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
free(p, type);
return NULL;
}
if ((error = bus_dmamap_create(sc->sc_dmat, p->size, 1,
p->size, 0, flags, &p->map)) != 0) {
printf("%s: unable to create dma map, error = %d\n",
sc->sc_dev.dv_xname, error);
bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
free(p, type);
return NULL;
}
if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size,
NULL, flags)) != 0) {
printf("%s: unable to load dma map, error = %d\n",
sc->sc_dev.dv_xname, error);
bus_dmamap_destroy(sc->sc_dmat, p->map);
bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
free(p, type);
return NULL;
}
p->next = sc->sc_dmas;
sc->sc_dmas = p;
return p->addr;
}
paddr_t
awacs_mappage(void *h, void *mem, off_t off, int prot)
{
if (off < 0)
return -1;
return -1; /* XXX */
}
int
awacs_get_props(void *h)
{
return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
}
int
awacs_trigger_output(void *h, void *start, void *end, int bsize,
void (*intr)(void *), void *arg, struct audio_params *param)
{
struct awacs_softc *sc = h;
struct awacs_dma *p;
struct dbdma_command *cmd = sc->sc_odmacmd;
vaddr_t spa, pa, epa;
int c;
DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
for (p = sc->sc_dmas; p && p->addr != start; p = p->next);
if (!p)
return -1;
sc->sc_ointr = intr;
sc->sc_oarg = arg;
sc->sc_odmap = sc->sc_odmacmd;
spa = p->segs[0].ds_addr;
c = DBDMA_CMD_OUT_MORE;
for (pa = spa, epa = spa + (end - start);
pa < epa; pa += bsize, cmd++) {
if (pa + bsize == epa)
c = DBDMA_CMD_OUT_LAST;
DBDMA_BUILD(cmd, c, 0, bsize, pa, DBDMA_INT_ALWAYS,
DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
}
DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
dbdma_st32(&cmd->d_cmddep, sc->sc_odbdma->d_paddr);
dbdma_start(sc->sc_odma, sc->sc_odbdma);
return 0;
}
int
awacs_trigger_input(void *h, void *start, void *end, int bsize,
void (*intr)(void *), void *arg, struct audio_params *param)
{
struct awacs_softc *sc = h;
struct awacs_dma *p;
struct dbdma_command *cmd = sc->sc_idmacmd;
vaddr_t spa, pa, epa;
int c;
printf("trigger_input %p %p 0x%x\n", start, end, bsize);
for (p = sc->sc_dmas; p && p->addr != start; p = p->next);
if (!p)
return -1;
sc->sc_iintr = intr;
sc->sc_iarg = arg;
sc->sc_idmap = sc->sc_idmacmd;
spa = p->segs[0].ds_addr;
c = DBDMA_CMD_IN_MORE;
for (pa = spa, epa = spa + (end - start);
pa < epa; pa += bsize, cmd++) {
if (pa + bsize == epa)
c = DBDMA_CMD_IN_LAST;
DBDMA_BUILD(cmd, c, 0, bsize, pa, DBDMA_INT_ALWAYS,
DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
}
DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
dbdma_st32(&cmd->d_cmddep, sc->sc_idbdma->d_paddr);
dbdma_start(sc->sc_idma, sc->sc_idbdma);
return 0;
}
void
awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right)
{
int lval = 15 - (left & 0xff) / 16;
int rval = 15 - (right & 0xff) / 16;
DPRINTF("speaker_volume %d %d\n", lval, rval);
sc->sc_codecctl4 &= ~0x3cf;
sc->sc_codecctl4 |= (lval << 6) | rval;
awacs_write_codec(sc, sc->sc_codecctl4);
}
void
awacs_set_ext_volume(struct awacs_softc *sc, int left, int right)
{
int lval = 15 - (left & 0xff) / 16;
int rval = 15 - (right & 0xff) / 16;
DPRINTF("ext_volume %d %d\n", lval, rval);
sc->sc_codecctl2 &= ~0x3cf;
sc->sc_codecctl2 |= (lval << 6) | rval;
awacs_write_codec(sc, sc->sc_codecctl2);
}
void
awacs_set_rate(struct awacs_softc *sc, struct audio_params *p)
{
int selected = -1;
size_t n, i;
n = sizeof(awacs_speeds)/sizeof(awacs_speeds[0]);
if (p->sample_rate < awacs_speeds[0].rate)
selected = 0;
if (p->sample_rate > awacs_speeds[n - 1].rate)
selected = n - 1;
for (i = 1; selected == -1 && i < n; i++) {
if (p->sample_rate == awacs_speeds[i].rate)
selected = i;
else if (p->sample_rate < awacs_speeds[i].rate) {
u_int diff1, diff2;
diff1 = p->sample_rate - awacs_speeds[i - 1].rate;
diff2 = awacs_speeds[i].rate - p->sample_rate;
selected = (diff1 < diff2) ? i - 1 : i;
}
}
if (selected == -1)
selected = 0;
sc->sc_soundctl &= ~AWACS_RATE_MASK;
sc->sc_soundctl |= awacs_speeds[selected].bits;
p->sample_rate = awacs_speeds[selected].rate;
awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
}