NetBSD-5.0.2/sys/arch/zaurus/dev/zaudio.c
/* $NetBSD: zaudio.c,v 1.5 2007/10/17 19:58:34 garbled Exp $ */
/* $OpenBSD: zaurus_audio.c,v 1.8 2005/08/18 13:23:02 robert Exp $ */
/*
* Copyright (c) 2005 Christopher Pascoe <pascoe@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* TODO:
* - powerhooks (currently only works until first suspend)
* - record support
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/audioio.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <arm/xscale/pxa2x0reg.h>
#include <arm/xscale/pxa2x0var.h>
#include <arm/xscale/pxa2x0_i2c.h>
#include <arm/xscale/pxa2x0_i2s.h>
#include <arm/xscale/pxa2x0_dmac.h>
#include <arm/xscale/pxa2x0_gpio.h>
#include <dev/audio_if.h>
#include <dev/mulaw.h>
#include <dev/auconv.h>
#include <zaurus/dev/wm8750reg.h>
#include <zaurus/dev/scoopvar.h>
#define WM8750_ADDRESS 0x1B
#define SPKR_VOLUME 112
#define wm8750_write(sc, reg, val) \
pxa2x0_i2c_write_2(&sc->sc_i2c, WM8750_ADDRESS, \
(((reg) << 9) | ((val) & 0x1ff)))
static int zaudio_match(struct device *, struct cfdata *, void *);
static void zaudio_attach(struct device *, struct device *, void *);
static int zaudio_detach(struct device *, int);
static void zaudio_power(int, void *);
#define ZAUDIO_OP_SPKR 0
#define ZAUDIO_OP_HP 1
#define ZAUDIO_JACK_STATE_OUT 0
#define ZAUDIO_JACK_STATE_IN 1
#define ZAUDIO_JACK_STATE_INS 2
#define ZAUDIO_JACK_STATE_REM 3
/* GPIO pins */
#define GPIO_HP_IN_C3000 116
struct zaudio_volume {
u_int8_t left;
u_int8_t right;
};
struct zaudio_softc {
struct device sc_dev;
/* i2s device softc */
/* NB: pxa2x0_i2s requires this to be the second struct member */
struct pxa2x0_i2s_softc sc_i2s;
/* i2c device softc */
struct pxa2x0_i2c_softc sc_i2c;
void *sc_powerhook;
int sc_playing;
struct zaudio_volume sc_volume[2];
char sc_unmute[2];
int sc_state;
int sc_icount;
struct callout sc_to;
};
CFATTACH_DECL(zaudio, sizeof(struct zaudio_softc),
zaudio_match, zaudio_attach, zaudio_detach, NULL);
static struct audio_device wm8750_device = {
"WM8750",
"1.0",
"wm"
};
#define ZAUDIO_NFORMATS 4
static const struct audio_format zaudio_formats[ZAUDIO_NFORMATS] = {
{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
2, AUFMT_STEREO, 0, {4000, 48000}},
{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
1, AUFMT_MONAURAL, 0, {4000, 48000}},
{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
2, AUFMT_STEREO, 0, {4000, 48000}},
{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
1, AUFMT_MONAURAL, 0, {4000, 48000}},
};
void zaudio_init(struct zaudio_softc *);
static int zaudio_jack_intr(void *);
void zaudio_jack(void *);
void zaudio_standby(struct zaudio_softc *);
void zaudio_update_volume(struct zaudio_softc *, int);
void zaudio_update_mutes(struct zaudio_softc *);
void zaudio_play_setup(struct zaudio_softc *);
static int zaudio_open(void *, int);
static void zaudio_close(void *);
static int zaudio_query_encoding(void *, struct audio_encoding *);
static int zaudio_set_params(void *, int, int, audio_params_t *,
audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
static int zaudio_round_blocksize(void *, int, int, const audio_params_t *);
static int zaudio_start_output(void *, void *, int, void (*)(void *), void *);
static int zaudio_start_input(void *, void *, int, void (*)(void *), void *);
static int zaudio_halt_output(void *);
static int zaudio_halt_input(void *);
static int zaudio_getdev(void *, struct audio_device *);
static int zaudio_set_port(void *, struct mixer_ctrl *);
static int zaudio_get_port(void *, struct mixer_ctrl *);
static int zaudio_query_devinfo(void *, struct mixer_devinfo *);
static void *zaudio_allocm(void *, int, size_t, struct malloc_type *, int);
static void zaudio_freem(void *, void *, struct malloc_type *);
static size_t zaudio_round_buffersize(void *, int, size_t);
static paddr_t zaudio_mappage(void *, void *, off_t, int);
static int zaudio_get_props(void *);
struct audio_hw_if wm8750_hw_if = {
zaudio_open,
zaudio_close,
NULL,
zaudio_query_encoding,
zaudio_set_params,
zaudio_round_blocksize,
NULL,
NULL,
NULL,
zaudio_start_output,
zaudio_start_input,
zaudio_halt_output,
zaudio_halt_input,
NULL,
zaudio_getdev,
NULL,
zaudio_set_port,
zaudio_get_port,
zaudio_query_devinfo,
zaudio_allocm,
zaudio_freem,
zaudio_round_buffersize,
zaudio_mappage,
zaudio_get_props,
NULL,
NULL,
NULL,
};
static const uint16_t playback_registers[][2] = {
/* Unmute DAC */
{ ADCDACCTL_REG, 0x000 },
/* 16 bit audio words */
{ AUDINT_REG, AUDINT_SET_FORMAT(2) },
/* Enable thermal protection, power */
{ ADCTL1_REG, ADCTL1_TSDEN | ADCTL1_SET_VSEL(3) },
/* Enable speaker driver, DAC oversampling */
{ ADCTL2_REG, ADCTL2_ROUT2INV | ADCTL2_DACOSR },
/* Set DAC voltage references */
{ PWRMGMT1_REG, PWRMGMT1_SET_VMIDSEL(1) | PWRMGMT1_VREF },
/* Direct DACs to output mixers */
{ LOUTMIX1_REG, LOUTMIX1_LD2LO },
{ ROUTMIX2_REG, ROUTMIX2_RD2RO },
/* End of list */
{ 0xffff, 0xffff }
};
static int
zaudio_match(struct device *parent, struct cfdata *cf, void *aux)
{
return 1;
}
static void
zaudio_attach(struct device *parent, struct device *self, void *aux)
{
struct zaudio_softc *sc = (struct zaudio_softc *)self;
struct pxaip_attach_args *pxa = aux;
int rv;
sc->sc_powerhook = powerhook_establish(sc->sc_dev.dv_xname,
zaudio_power, sc);
if (sc->sc_powerhook == NULL) {
printf(": unable to establish powerhook\n");
return;
}
sc->sc_i2s.sc_iot = pxa->pxa_iot;
sc->sc_i2s.sc_dmat = pxa->pxa_dmat;
sc->sc_i2s.sc_size = PXA2X0_I2S_SIZE;
if (pxa2x0_i2s_attach_sub(&sc->sc_i2s)) {
printf(": unable to attach I2S\n");
goto fail_i2s;
}
sc->sc_i2c.sc_iot = pxa->pxa_iot;
sc->sc_i2c.sc_size = PXA2X0_I2C_SIZE;
if (pxa2x0_i2c_attach_sub(&sc->sc_i2c)) {
printf(": unable to attach I2C\n");
goto fail_i2c;
}
/* Check for an I2C response from the wm8750 */
pxa2x0_i2c_open(&sc->sc_i2c);
rv = wm8750_write(sc, RESET_REG, 0);
pxa2x0_i2c_close(&sc->sc_i2c);
if (rv) {
printf(": codec failed to respond\n");
goto fail_probe;
}
delay(100);
/* Speaker on, headphones off by default. */
sc->sc_volume[ZAUDIO_OP_SPKR].left = 240;
sc->sc_unmute[ZAUDIO_OP_SPKR] = 1;
sc->sc_volume[ZAUDIO_OP_HP].left = 180;
sc->sc_volume[ZAUDIO_OP_HP].right = 180;
sc->sc_unmute[ZAUDIO_OP_HP] = 0;
/* Configure headphone jack state change handling. */
callout_init(&sc->sc_to, 0);
callout_setfunc(&sc->sc_to, zaudio_jack, sc);
pxa2x0_gpio_set_function(GPIO_HP_IN_C3000, GPIO_IN);
(void)pxa2x0_gpio_intr_establish(GPIO_HP_IN_C3000,
IST_EDGE_BOTH, IPL_BIO, zaudio_jack_intr, sc);
zaudio_init(sc);
printf(": I2C, I2S, WM8750 Audio\n");
audio_attach_mi(&wm8750_hw_if, sc, &sc->sc_dev);
return;
fail_probe:
pxa2x0_i2c_detach_sub(&sc->sc_i2c);
fail_i2c:
pxa2x0_i2s_detach_sub(&sc->sc_i2s);
fail_i2s:
powerhook_disestablish(sc->sc_powerhook);
}
static int
zaudio_detach(struct device *self, int flags)
{
struct zaudio_softc *sc = (struct zaudio_softc *)self;
if (sc->sc_powerhook != NULL) {
powerhook_disestablish(sc->sc_powerhook);
sc->sc_powerhook = NULL;
}
pxa2x0_i2c_detach_sub(&sc->sc_i2c);
pxa2x0_i2s_detach_sub(&sc->sc_i2s);
return 0;
}
static void
zaudio_power(int why, void *arg)
{
struct zaudio_softc *sc = arg;
switch (why) {
case PWR_STANDBY:
case PWR_SUSPEND:
callout_stop(&sc->sc_to);
zaudio_standby(sc);
break;
case PWR_RESUME:
pxa2x0_i2s_init(&sc->sc_i2s);
pxa2x0_i2c_init(&sc->sc_i2c);
zaudio_init(sc);
break;
}
}
void
zaudio_init(struct zaudio_softc *sc)
{
pxa2x0_i2c_open(&sc->sc_i2c);
/* Reset the codec */
wm8750_write(sc, RESET_REG, 0);
delay(100);
/* Switch to standby power only */
wm8750_write(sc, PWRMGMT1_REG, PWRMGMT1_SET_VMIDSEL(2));
wm8750_write(sc, PWRMGMT2_REG, 0);
/* Configure digital interface for I2S */
wm8750_write(sc, AUDINT_REG, AUDINT_SET_FORMAT(2));
/* Initialise volume levels */
zaudio_update_volume(sc, ZAUDIO_OP_SPKR);
zaudio_update_volume(sc, ZAUDIO_OP_HP);
pxa2x0_i2c_close(&sc->sc_i2c);
scoop_set_headphone(0);
/* Assume that the jack state has changed. */
zaudio_jack(sc);
}
static int
zaudio_jack_intr(void *v)
{
struct zaudio_softc *sc = v;
if (!callout_active(&sc->sc_to))
zaudio_jack(sc);
return 1;
}
void
zaudio_jack(void *v)
{
struct zaudio_softc *sc = v;
switch (sc->sc_state) {
case ZAUDIO_JACK_STATE_OUT:
if (pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
sc->sc_state = ZAUDIO_JACK_STATE_INS;
sc->sc_icount = 0;
}
break;
case ZAUDIO_JACK_STATE_INS:
if (sc->sc_icount++ > 2) {
if (pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
sc->sc_state = ZAUDIO_JACK_STATE_IN;
sc->sc_unmute[ZAUDIO_OP_SPKR] = 0;
sc->sc_unmute[ZAUDIO_OP_HP] = 1;
goto update_mutes;
} else
sc->sc_state = ZAUDIO_JACK_STATE_OUT;
}
break;
case ZAUDIO_JACK_STATE_IN:
if (!pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
sc->sc_state = ZAUDIO_JACK_STATE_REM;
sc->sc_icount = 0;
}
break;
case ZAUDIO_JACK_STATE_REM:
if (sc->sc_icount++ > 2) {
if (!pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
sc->sc_state = ZAUDIO_JACK_STATE_OUT;
sc->sc_unmute[ZAUDIO_OP_SPKR] = 1;
sc->sc_unmute[ZAUDIO_OP_HP] = 0;
goto update_mutes;
} else
sc->sc_state = ZAUDIO_JACK_STATE_IN;
}
break;
}
callout_schedule(&sc->sc_to, hz/4);
return;
update_mutes:
callout_stop(&sc->sc_to);
if (sc->sc_playing) {
pxa2x0_i2c_open(&sc->sc_i2c);
zaudio_update_mutes(sc);
pxa2x0_i2c_close(&sc->sc_i2c);
}
}
void
zaudio_standby(struct zaudio_softc *sc)
{
pxa2x0_i2c_open(&sc->sc_i2c);
/* Switch codec to standby power only */
wm8750_write(sc, PWRMGMT1_REG, PWRMGMT1_SET_VMIDSEL(2));
wm8750_write(sc, PWRMGMT2_REG, 0);
pxa2x0_i2c_close(&sc->sc_i2c);
scoop_set_headphone(0);
}
void
zaudio_update_volume(struct zaudio_softc *sc, int output)
{
switch (output) {
case ZAUDIO_OP_SPKR:
wm8750_write(sc, LOUT2VOL_REG, LOUT2VOL_LO2VU | LOUT2VOL_LO2ZC |
LOUT2VOL_SET_LOUT2VOL(sc->sc_volume[ZAUDIO_OP_SPKR
].left >> 1));
wm8750_write(sc, ROUT2VOL_REG, ROUT2VOL_RO2VU | ROUT2VOL_RO2ZC |
ROUT2VOL_SET_ROUT2VOL(sc->sc_volume[ZAUDIO_OP_SPKR
].left >> 1));
break;
case ZAUDIO_OP_HP:
wm8750_write(sc, LOUT1VOL_REG, LOUT1VOL_LO1VU | LOUT1VOL_LO1ZC |
LOUT1VOL_SET_LOUT1VOL(sc->sc_volume[ZAUDIO_OP_HP
].left >> 1));
wm8750_write(sc, ROUT1VOL_REG, ROUT1VOL_RO1VU | ROUT1VOL_RO1ZC |
ROUT1VOL_SET_ROUT1VOL(sc->sc_volume[ZAUDIO_OP_HP
].right >> 1));
break;
}
}
void
zaudio_update_mutes(struct zaudio_softc *sc)
{
uint16_t val;
val = PWRMGMT2_DACL | PWRMGMT2_DACR;
if (sc->sc_unmute[ZAUDIO_OP_SPKR])
val |= PWRMGMT2_LOUT2 | PWRMGMT2_ROUT2;
if (sc->sc_unmute[ZAUDIO_OP_HP])
val |= PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1;
wm8750_write(sc, PWRMGMT2_REG, val);
scoop_set_headphone(sc->sc_unmute[ZAUDIO_OP_HP]);
}
void
zaudio_play_setup(struct zaudio_softc *sc)
{
int i;
pxa2x0_i2c_open(&sc->sc_i2c);
/* Program the codec with playback settings */
for (i = 0; playback_registers[i][0] != 0xffff; i++) {
wm8750_write(sc, playback_registers[i][0],
playback_registers[i][1]);
}
zaudio_update_mutes(sc);
pxa2x0_i2c_close(&sc->sc_i2c);
}
/*
* audio operation functions.
*/
static int
zaudio_open(void *hdl, int flags)
{
struct zaudio_softc *sc = hdl;
/* Power on the I2S bus and codec */
pxa2x0_i2s_open(&sc->sc_i2s);
return 0;
}
static void
zaudio_close(void *hdl)
{
struct zaudio_softc *sc = hdl;
/* Power off the I2S bus and codec */
pxa2x0_i2s_close(&sc->sc_i2s);
}
static int
zaudio_query_encoding(void *hdl, struct audio_encoding *aep)
{
switch (aep->index) {
case 0:
strlcpy(aep->name, AudioEulinear, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_ULINEAR;
aep->precision = 8;
aep->flags = 0;
break;
case 1:
strlcpy(aep->name, AudioEmulaw, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_ULAW;
aep->precision = 8;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 2:
strlcpy(aep->name, AudioEalaw, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_ALAW;
aep->precision = 8;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 3:
strlcpy(aep->name, AudioEslinear, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_SLINEAR;
aep->precision = 8;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 4:
strlcpy(aep->name, AudioEslinear_le, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_SLINEAR_LE;
aep->precision = 16;
aep->flags = 0;
break;
case 5:
strlcpy(aep->name, AudioEulinear_le, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_ULINEAR_LE;
aep->precision = 16;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 6:
strlcpy(aep->name, AudioEslinear_be, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_SLINEAR_BE;
aep->precision = 16;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 7:
strlcpy(aep->name, AudioEulinear_be, sizeof(aep->name));
aep->encoding = AUDIO_ENCODING_ULINEAR_BE;
aep->precision = 16;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
default:
return EINVAL;
}
return 0;
}
static int
zaudio_set_params(void *hdl, int setmode, int usemode,
audio_params_t *play, audio_params_t *rec,
stream_filter_list_t *pfil, stream_filter_list_t *rfil)
{
struct zaudio_softc *sc = hdl;
struct audio_params *p;
stream_filter_list_t *fil;
int mode, i;
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 > 48000 ||
(p->precision != 8 && p->precision != 16) ||
(p->channels != 1 && p->channels != 2))
return EINVAL;
fil = (mode == AUMODE_PLAY) ? pfil : rfil;
i = auconv_set_converter(zaudio_formats, ZAUDIO_NFORMATS,
mode, p, false, fil);
if (i < 0)
return EINVAL;
}
if (setmode == AUMODE_RECORD)
pxa2x0_i2s_setspeed(&sc->sc_i2s, &rec->sample_rate);
else
pxa2x0_i2s_setspeed(&sc->sc_i2s, &play->sample_rate);
return 0;
}
static int
zaudio_round_blocksize(void *hdl, int bs, int mode, const audio_params_t *param)
{
struct zaudio_softc *sc = hdl;
return pxa2x0_i2s_round_blocksize(&sc->sc_i2s, bs, mode, param);
}
static int
zaudio_halt_output(void *hdl)
{
struct zaudio_softc *sc = hdl;
int rv;
rv = pxa2x0_i2s_halt_output(&sc->sc_i2s);
zaudio_standby(sc);
sc->sc_playing = 0;
return rv;
}
static int
zaudio_halt_input(void *hdl)
{
struct zaudio_softc *sc = hdl;
int rv;
rv = pxa2x0_i2s_halt_input(&sc->sc_i2s);
return rv;
}
static int
zaudio_getdev(void *hdl, struct audio_device *ret)
{
/* struct zaudio_softc *sc = hdl; */
*ret = wm8750_device;
return 0;
}
#define ZAUDIO_SPKR_LVL 0
#define ZAUDIO_SPKR_MUTE 1
#define ZAUDIO_HP_LVL 2
#define ZAUDIO_HP_MUTE 3
#define ZAUDIO_OUTPUT_CLASS 4
static int
zaudio_set_port(void *hdl, struct mixer_ctrl *mc)
{
struct zaudio_softc *sc = hdl;
int error = EINVAL;
int s;
s = splbio();
pxa2x0_i2c_open(&sc->sc_i2c);
switch (mc->dev) {
case ZAUDIO_SPKR_LVL:
if (mc->type != AUDIO_MIXER_VALUE)
break;
if (mc->un.value.num_channels == 1)
sc->sc_volume[ZAUDIO_OP_SPKR].left =
mc->un.value.level[AUDIO_MIXER_LEVEL_MONO];
else
break;
zaudio_update_volume(sc, ZAUDIO_OP_SPKR);
error = 0;
break;
case ZAUDIO_SPKR_MUTE:
if (mc->type != AUDIO_MIXER_ENUM)
break;
sc->sc_unmute[ZAUDIO_OP_SPKR] = mc->un.ord ? 1 : 0;
zaudio_update_mutes(sc);
error = 0;
break;
case ZAUDIO_HP_LVL:
if (mc->type != AUDIO_MIXER_VALUE)
break;
if (mc->un.value.num_channels == 1) {
sc->sc_volume[ZAUDIO_OP_HP].left =
mc->un.value.level[AUDIO_MIXER_LEVEL_MONO];
sc->sc_volume[ZAUDIO_OP_HP].right =
mc->un.value.level[AUDIO_MIXER_LEVEL_MONO];
} else if (mc->un.value.num_channels == 2) {
sc->sc_volume[ZAUDIO_OP_HP].left =
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
sc->sc_volume[ZAUDIO_OP_HP].right =
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
}
else
break;
zaudio_update_volume(sc, ZAUDIO_OP_HP);
error = 0;
break;
case ZAUDIO_HP_MUTE:
if (mc->type != AUDIO_MIXER_ENUM)
break;
sc->sc_unmute[ZAUDIO_OP_HP] = mc->un.ord ? 1 : 0;
zaudio_update_mutes(sc);
error = 0;
break;
}
pxa2x0_i2c_close(&sc->sc_i2c);
splx(s);
return error;
}
static int
zaudio_get_port(void *hdl, struct mixer_ctrl *mc)
{
struct zaudio_softc *sc = hdl;
int error = EINVAL;
switch (mc->dev) {
case ZAUDIO_SPKR_LVL:
if (mc->type != AUDIO_MIXER_VALUE)
break;
if (mc->un.value.num_channels == 1)
mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
sc->sc_volume[ZAUDIO_OP_SPKR].left;
else
break;
error = 0;
break;
case ZAUDIO_SPKR_MUTE:
if (mc->type != AUDIO_MIXER_ENUM)
break;
mc->un.ord = sc->sc_unmute[ZAUDIO_OP_SPKR] ? 1 : 0;
error = 0;
break;
case ZAUDIO_HP_LVL:
if (mc->type != AUDIO_MIXER_VALUE)
break;
if (mc->un.value.num_channels == 1)
mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
sc->sc_volume[ZAUDIO_OP_HP].left;
else if (mc->un.value.num_channels == 2) {
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
sc->sc_volume[ZAUDIO_OP_HP].left;
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
sc->sc_volume[ZAUDIO_OP_HP].right;
}
else
break;
error = 0;
break;
case ZAUDIO_HP_MUTE:
if (mc->type != AUDIO_MIXER_ENUM)
break;
mc->un.ord = sc->sc_unmute[ZAUDIO_OP_HP] ? 1 : 0;
error = 0;
break;
}
return error;
}
static int
zaudio_query_devinfo(void *hdl, struct mixer_devinfo *di)
{
/* struct zaudio_softc *sc = hdl; */
switch (di->index) {
case ZAUDIO_SPKR_LVL:
di->type = AUDIO_MIXER_VALUE;
di->mixer_class = ZAUDIO_OUTPUT_CLASS;
di->prev = AUDIO_MIXER_LAST;
di->next = ZAUDIO_SPKR_MUTE;
strlcpy(di->label.name, AudioNspeaker,
sizeof(di->label.name));
strlcpy(di->un.v.units.name, AudioNvolume,
sizeof(di->un.v.units.name));
di->un.v.num_channels = 1;
break;
case ZAUDIO_SPKR_MUTE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = ZAUDIO_OUTPUT_CLASS;
di->prev = ZAUDIO_SPKR_LVL;
di->next = AUDIO_MIXER_LAST;
goto mute;
case ZAUDIO_HP_LVL:
di->type = AUDIO_MIXER_VALUE;
di->mixer_class = ZAUDIO_OUTPUT_CLASS;
di->prev = AUDIO_MIXER_LAST;
di->next = ZAUDIO_HP_MUTE;
strlcpy(di->label.name, AudioNheadphone,
sizeof(di->label.name));
di->un.v.num_channels = 1;
strlcpy(di->un.v.units.name, AudioNvolume,
sizeof(di->un.v.units.name));
break;
case ZAUDIO_HP_MUTE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = ZAUDIO_OUTPUT_CLASS;
di->prev = ZAUDIO_HP_LVL;
di->next = AUDIO_MIXER_LAST;
mute:
strlcpy(di->label.name, AudioNmute, sizeof(di->label.name));
di->un.e.num_mem = 2;
strlcpy(di->un.e.member[0].label.name, AudioNon,
sizeof(di->un.e.member[0].label.name));
di->un.e.member[0].ord = 0;
strlcpy(di->un.e.member[1].label.name, AudioNoff,
sizeof(di->un.e.member[1].label.name));
di->un.e.member[1].ord = 1;
break;
case ZAUDIO_OUTPUT_CLASS:
di->type = AUDIO_MIXER_CLASS;
di->mixer_class = ZAUDIO_OUTPUT_CLASS;
di->prev = AUDIO_MIXER_LAST;
di->next = AUDIO_MIXER_LAST;
strlcpy(di->label.name, AudioCoutputs,
sizeof(di->label.name));
break;
default:
return ENXIO;
}
return 0;
}
static void *
zaudio_allocm(void *hdl, int direction, size_t size,
struct malloc_type *type, int flags)
{
struct zaudio_softc *sc = hdl;
return pxa2x0_i2s_allocm(&sc->sc_i2s, direction, size, type, flags);
}
static void
zaudio_freem(void *hdl, void *ptr, struct malloc_type *type)
{
struct zaudio_softc *sc = hdl;
return pxa2x0_i2s_freem(&sc->sc_i2s, ptr, type);
}
static size_t
zaudio_round_buffersize(void *hdl, int direction, size_t bufsize)
{
struct zaudio_softc *sc = hdl;
return pxa2x0_i2s_round_buffersize(&sc->sc_i2s, direction, bufsize);
}
static paddr_t
zaudio_mappage(void *hdl, void *mem, off_t off, int prot)
{
struct zaudio_softc *sc = hdl;
return pxa2x0_i2s_mappage(&sc->sc_i2s, mem, off, prot);
}
static int
zaudio_get_props(void *hdl)
{
return AUDIO_PROP_MMAP|AUDIO_PROP_INDEPENDENT|AUDIO_PROP_FULLDUPLEX;
}
static int
zaudio_start_output(void *hdl, void *block, int bsize, void (*intr)(void *),
void *intrarg)
{
struct zaudio_softc *sc = hdl;
int rv;
/* Power up codec if we are not already playing. */
if (!sc->sc_playing) {
sc->sc_playing = 1;
zaudio_play_setup(sc);
}
/* Start DMA via I2S */
rv = pxa2x0_i2s_start_output(&sc->sc_i2s, block, bsize, intr, intrarg);
if (rv) {
zaudio_standby(sc);
sc->sc_playing = 0;
}
return rv;
}
static int
zaudio_start_input(void *hdl, void *block, int bsize, void (*intr)(void *),
void *intrarg)
{
return ENXIO;
}