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NetBSD/sys/arch/sgimips/mace/mavb.c

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/* $NetBSD: mavb.c,v 1.6 2008/08/23 17:43:36 tsutsui Exp $ */
/* $OpenBSD: mavb.c,v 1.6 2005/04/15 13:05:14 mickey Exp $ */
/*
* Copyright (c) 2005 Mark Kettenis
*
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/callout.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/autoconf.h>
#include <sys/audioio.h>
#include <dev/auconv.h>
#include <dev/audio_if.h>
#include <arch/sgimips/mace/macevar.h>
#include <arch/sgimips/mace/macereg.h>
#include <arch/sgimips/mace/mavbreg.h>
#include <dev/ic/ad1843reg.h>
#undef MAVB_DEBUG
#ifdef MAVB_DEBUG
#define DPRINTF(l,x) do { if (mavb_debug & (l)) printf x; } while (0)
#define MAVB_DEBUG_INTR 0x0100
int mavb_debug = ~MAVB_DEBUG_INTR;
#else
#define DPRINTF(l,x) /* nothing */
#endif
/* Repeat delays for volume buttons. */
#define MAVB_VOLUME_BUTTON_REPEAT_DEL1 400 /* 400ms to start repeating */
#define MAVB_VOLUME_BUTTON_REPEAT_DELN 100 /* 100ms between repeats */
/* XXX We need access to some of the MACE ISA registers. */
#define MAVB_ISA_NREGS 0x20
/*
* AD1843 Mixer.
*/
enum {
AD1843_RECORD_CLASS,
AD1843_ADC_SOURCE, /* ADC Source Select */
AD1843_ADC_GAIN, /* ADC Input Gain */
AD1843_INPUT_CLASS,
AD1843_DAC1_GAIN, /* DAC1 Analog/Digital Gain/Attenuation */
AD1843_DAC1_MUTE, /* DAC1 Analog Mute */
AD1843_DAC2_GAIN, /* DAC2 Mix Gain */
AD1843_AUX1_GAIN, /* Auxilliary 1 Mix Gain */
AD1843_AUX2_GAIN, /* Auxilliary 2 Mix Gain */
AD1843_AUX3_GAIN, /* Auxilliary 3 Mix Gain */
AD1843_MIC_GAIN, /* Microphone Mix Gain */
AD1843_MONO_GAIN, /* Mono Mix Gain */
AD1843_DAC2_MUTE, /* DAC2 Mix Mute */
AD1843_AUX1_MUTE, /* Auxilliary 1 Mix Mute */
AD1843_AUX2_MUTE, /* Auxilliary 2 Mix Mute */
AD1843_AUX3_MUTE, /* Auxilliary 3 Mix Mute */
AD1843_MIC_MUTE, /* Microphone Mix Mute */
AD1843_MONO_MUTE, /* Mono Mix Mute */
AD1843_SUM_MUTE, /* Sum Mute */
AD1843_OUTPUT_CLASS,
AD1843_MNO_MUTE, /* Mono Output Mute */
AD1843_HPO_MUTE /* Headphone Output Mute */
};
/* ADC Source Select. The order matches the hardware bits. */
const char *ad1843_source[] = {
AudioNline,
AudioNmicrophone,
AudioNaux "1",
AudioNaux "2",
AudioNaux "3",
AudioNmono,
AudioNdac "1",
AudioNdac "2"
};
/* Mix Control. The order matches the hardware register numbering. */
const char *ad1843_input[] = {
AudioNdac "2", /* AD1843_DAC2__TO_MIXER */
AudioNaux "1",
AudioNaux "2",
AudioNaux "3",
AudioNmicrophone,
AudioNmono /* AD1843_MISC_SETTINGS */
};
#define MAVB_NFORMATS 2
static const struct audio_format mavb_formats[MAVB_NFORMATS] = {
{ NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
1, AUFMT_MONAURAL, 0, { 8000, 48000 } },
{ NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
2, AUFMT_STEREO, 0, { 8000, 48000 } },
};
struct mavb_softc {
struct device sc_dev;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
bus_dma_tag_t sc_dmat;
bus_dmamap_t sc_dmamap;
/* XXX We need access to some of the MACE ISA registers. */
bus_space_handle_t sc_isash;
#define MAVB_ISA_RING_SIZE 0x1000
uint8_t *sc_ring;
uint8_t *sc_start, *sc_end;
int sc_blksize;
void (*sc_intr)(void *);
void *sc_intrarg;
void *sc_get;
int sc_count;
u_long sc_play_rate;
u_int sc_play_format;
struct callout sc_volume_button_ch;
struct audio_format sc_formats[MAVB_NFORMATS];
struct audio_encoding_set *sc_encodings;
};
struct mavb_codecvar {
stream_filter_t base;
};
static stream_filter_t *mavb_factory
(int (*)(stream_fetcher_t *, audio_stream_t *, int));
static void mavb_dtor(stream_filter_t *);
/* XXX I'm going to complain every time I have to copy this macro */
#define DEFINE_FILTER(name) \
static int \
name##_fetch_to(stream_fetcher_t *, audio_stream_t *, int); \
stream_filter_t *name(struct audio_softc *, \
const audio_params_t *, const audio_params_t *); \
stream_filter_t * \
name(struct audio_softc *sc, const audio_params_t *from, \
const audio_params_t *to) \
{ \
return mavb_factory(name##_fetch_to); \
} \
static int \
name##_fetch_to(stream_fetcher_t *self, audio_stream_t *dst, \
int max_used)
DEFINE_FILTER(mavb_16to24)
{
stream_filter_t *this;
int m, err;
this = (stream_filter_t *)self;
max_used = (max_used + 1) & ~1;
if ((err = this->prev->fetch_to(this->prev, this->src, max_used)))
return err;
m = (dst->end - dst->start) & ~1;
m = min(m, max_used);
FILTER_LOOP_PROLOGUE(this->src, 2, dst, 4, m) {
d[3] = 0;
d[2] = s[1];
d[1] = s[0];
d[0] = (s[0] & 0x80) ? 0xff : 0;
} FILTER_LOOP_EPILOGUE(this->src, dst);
return 0;
}
DEFINE_FILTER(mavb_mts)
{
stream_filter_t *this;
int m, err;
this = (stream_filter_t *)self;
max_used = (max_used + 1) & ~1;
if ((err = this->prev->fetch_to(this->prev, this->src, max_used)))
return err;
m = (dst->end - dst->start) & ~1;
m = min(m, max_used);
FILTER_LOOP_PROLOGUE(this->src, 4, dst, 8, m) {
d[3] = d[7] = s[3];
d[2] = d[6] = s[2];
d[1] = d[5] = s[1];
d[0] = d[4] = s[0];
} FILTER_LOOP_EPILOGUE(this->src, dst);
return 0;
}
static stream_filter_t *
mavb_factory(int (*fetch_to)(stream_fetcher_t *, audio_stream_t *, int))
{
struct mavb_codecvar *this;
this = malloc(sizeof(*this), M_DEVBUF, M_WAITOK | M_ZERO);
this->base.base.fetch_to = fetch_to;
this->base.dtor = mavb_dtor;
this->base.set_fetcher = stream_filter_set_fetcher;
this->base.set_inputbuffer = stream_filter_set_inputbuffer;
return &this->base;
}
static void
mavb_dtor(stream_filter_t *this)
{
if (this != NULL)
free(this, M_DEVBUF);
}
typedef uint64_t ad1843_addr_t;
uint16_t ad1843_reg_read(struct mavb_softc *, ad1843_addr_t);
uint16_t ad1843_reg_write(struct mavb_softc *, ad1843_addr_t, uint16_t);
void ad1843_dump_regs(struct mavb_softc *);
int mavb_match(struct device *, struct cfdata *, void *);
void mavb_attach(struct device *, struct device *, void *);
CFATTACH_DECL(mavb, sizeof(struct mavb_softc),
mavb_match, mavb_attach, NULL, NULL);
int mavb_open(void *, int);
void mavb_close(void *);
int mavb_query_encoding(void *, struct audio_encoding *);
int mavb_set_params(void *, int, int, struct audio_params *,
struct audio_params *, stream_filter_list_t *,
stream_filter_list_t *);
int mavb_round_blocksize(void *hdl, int, int, const audio_params_t *);
int mavb_halt_output(void *);
int mavb_halt_input(void *);
int mavb_getdev(void *, struct audio_device *);
int mavb_set_port(void *, struct mixer_ctrl *);
int mavb_get_port(void *, struct mixer_ctrl *);
int mavb_query_devinfo(void *, struct mixer_devinfo *);
size_t mavb_round_buffersize(void *, int, size_t);
int mavb_get_props(void *);
int mavb_trigger_output(void *, void *, void *, int, void (*)(void *),
void *, const audio_params_t *);
int mavb_trigger_input(void *, void *, void *, int, void (*)(void *),
void *, const audio_params_t *);
struct audio_hw_if mavb_sa_hw_if = {
mavb_open,
mavb_close,
0,
mavb_query_encoding,
mavb_set_params,
mavb_round_blocksize,
0,
0,
0,
0,
0,
mavb_halt_output,
mavb_halt_input,
0,
mavb_getdev,
0,
mavb_set_port,
mavb_get_port,
mavb_query_devinfo,
0,
0,
mavb_round_buffersize,
0,
mavb_get_props,
mavb_trigger_output,
mavb_trigger_input,
NULL,
};
struct audio_device mavb_device = {
"A3",
"",
"mavb"
};
int
mavb_open(void *hdl, int flags)
{
return 0;
}
void
mavb_close(void *hdl)
{
}
int
mavb_query_encoding(void *hdl, struct audio_encoding *ae)
{
struct mavb_softc *sc = (struct mavb_softc *)hdl;
return auconv_query_encoding(sc->sc_encodings, ae);
}
static int
mavb_set_play_rate(struct mavb_softc *sc, u_long sample_rate)
{
if (sample_rate < 4000 || sample_rate > 48000)
return EINVAL;
if (sc->sc_play_rate != sample_rate) {
ad1843_reg_write(sc, AD1843_CLOCK2_SAMPLE_RATE, sample_rate);
sc->sc_play_rate = sample_rate;
}
return 0;
}
static int
mavb_set_play_format(struct mavb_softc *sc, u_int encoding)
{
uint16_t value;
u_int format;
switch(encoding) {
case AUDIO_ENCODING_ULINEAR_BE:
format = AD1843_PCM8;
break;
case AUDIO_ENCODING_SLINEAR_BE:
format = AD1843_PCM16;
break;
case AUDIO_ENCODING_ULAW:
format = AD1843_ULAW;
break;
case AUDIO_ENCODING_ALAW:
format = AD1843_ALAW;
break;
default:
return EINVAL;
}
if (sc->sc_play_format != format) {
value = ad1843_reg_read(sc, AD1843_SERIAL_INTERFACE);
value &= ~AD1843_DA1F_MASK;
value |= (format << AD1843_DA1F_SHIFT);
ad1843_reg_write(sc, AD1843_SERIAL_INTERFACE, value);
sc->sc_play_format = format;
}
return 0;
}
int
mavb_set_params(void *hdl, int setmode, int usemode,
struct audio_params *play, struct audio_params *rec,
stream_filter_list_t *pfil, stream_filter_list_t *rfil)
{
struct mavb_softc *sc = (struct mavb_softc *)hdl;
struct audio_params *p;
stream_filter_list_t *fil;
int error;
DPRINTF(1, ("%s: mavb_set_params: sample=%u precision=%d "
"channels=%d\n", sc->sc_dev.dv_xname, play->sample_rate,
play->precision, play->channels));
if (setmode & AUMODE_PLAY) {
if (play->sample_rate < 4000 || play->sample_rate > 48000)
return EINVAL;
p = play;
fil = pfil;
if (auconv_set_converter(sc->sc_formats, MAVB_NFORMATS,
AUMODE_PLAY, p, TRUE, fil) < 0)
return EINVAL;
fil->append(fil, mavb_16to24, p);
if (p->channels == 1)
fil->append(fil, mavb_mts, p);
if (fil->req_size > 0)
p = &fil->filters[0].param;
error = mavb_set_play_rate(sc, p->sample_rate);
if (error)
return error;
error = mavb_set_play_format(sc, p->encoding);
if (error)
return error;
}
#if 0
if (setmode & AUMODE_RECORD) {
if (rec->sample_rate < 4000 || rec->sample_rate > 48000)
return EINVAL;
}
#endif
return 0;
}
int
mavb_round_blocksize(void *hdl, int bs, int mode, const audio_params_t *p)
{
/* Block size should be a multiple of 32. */
return (bs + 0x1f) & ~0x1f;
}
int
mavb_halt_output(void *hdl)
{
struct mavb_softc *sc = (struct mavb_softc *)hdl;
DPRINTF(1, ("%s: mavb_halt_output called\n", sc->sc_dev.dv_xname));
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CHANNEL2_CONTROL, 0);
return 0;
}
int
mavb_halt_input(void *hdl)
{
return 0;
}
int
mavb_getdev(void *hdl, struct audio_device *ret)
{
*ret = mavb_device;
return 0;
}
int
mavb_set_port(void *hdl, struct mixer_ctrl *mc)
{
struct mavb_softc *sc = (struct mavb_softc *)hdl;
u_char left, right;
ad1843_addr_t reg;
uint16_t value;
DPRINTF(1, ("%s: mavb_set_port: dev=%d\n", sc->sc_dev.dv_xname,
mc->dev));
switch (mc->dev) {
case AD1843_ADC_SOURCE:
value = ad1843_reg_read(sc, AD1843_ADC_SOURCE_GAIN);
value &= ~(AD1843_LSS_MASK | AD1843_RSS_MASK);
value |= ((mc->un.ord << AD1843_LSS_SHIFT) & AD1843_LSS_MASK);
value |= ((mc->un.ord << AD1843_RSS_SHIFT) & AD1843_RSS_MASK);
ad1843_reg_write(sc, AD1843_ADC_SOURCE_GAIN, value);
break;
case AD1843_ADC_GAIN:
left = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
right = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
value = ad1843_reg_read(sc, AD1843_ADC_SOURCE_GAIN);
value &= ~(AD1843_LIG_MASK | AD1843_RIG_MASK);
value |= ((left >> 4) << AD1843_LIG_SHIFT);
value |= ((right >> 4) << AD1843_RIG_SHIFT);
ad1843_reg_write(sc, AD1843_ADC_SOURCE_GAIN, value);
break;
case AD1843_DAC1_GAIN:
left = AUDIO_MAX_GAIN -
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
right = AUDIO_MAX_GAIN -
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
value = ad1843_reg_read(sc, AD1843_DAC1_ANALOG_GAIN);
value &= ~(AD1843_LDA1G_MASK | AD1843_RDA1G_MASK);
value |= ((left >> 2) << AD1843_LDA1G_SHIFT);
value |= ((right >> 2) << AD1843_RDA1G_SHIFT);
ad1843_reg_write(sc, AD1843_DAC1_ANALOG_GAIN, value);
break;
case AD1843_DAC1_MUTE:
value = ad1843_reg_read(sc, AD1843_DAC1_ANALOG_GAIN);
if (mc->un.ord == 0)
value &= ~(AD1843_LDA1GM | AD1843_RDA1GM);
else
value |= (AD1843_LDA1GM | AD1843_RDA1GM);
ad1843_reg_write(sc, AD1843_DAC1_ANALOG_GAIN, value);
break;
case AD1843_DAC2_GAIN:
case AD1843_AUX1_GAIN:
case AD1843_AUX2_GAIN:
case AD1843_AUX3_GAIN:
case AD1843_MIC_GAIN:
left = AUDIO_MAX_GAIN -
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
right = AUDIO_MAX_GAIN -
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
reg = AD1843_DAC2_TO_MIXER + mc->dev - AD1843_DAC2_GAIN;
value = ad1843_reg_read(sc, reg);
value &= ~(AD1843_LD2M_MASK | AD1843_RD2M_MASK);
value |= ((left >> 3) << AD1843_LD2M_SHIFT);
value |= ((right >> 3) << AD1843_RD2M_SHIFT);
ad1843_reg_write(sc, reg, value);
break;
case AD1843_MONO_GAIN:
left = AUDIO_MAX_GAIN -
mc->un.value.level[AUDIO_MIXER_LEVEL_MONO];
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
value &= ~AD1843_MNM_MASK;
value |= ((left >> 3) << AD1843_MNM_SHIFT);
ad1843_reg_write(sc, AD1843_MISC_SETTINGS, value);
break;
case AD1843_DAC2_MUTE:
case AD1843_AUX1_MUTE:
case AD1843_AUX2_MUTE:
case AD1843_AUX3_MUTE:
case AD1843_MIC_MUTE:
case AD1843_MONO_MUTE: /* matches left channel */
reg = AD1843_DAC2_TO_MIXER + mc->dev - AD1843_DAC2_MUTE;
value = ad1843_reg_read(sc, reg);
if (mc->un.ord == 0)
value &= ~(AD1843_LD2MM | AD1843_RD2MM);
else
value |= (AD1843_LD2MM | AD1843_RD2MM);
ad1843_reg_write(sc, reg, value);
break;
case AD1843_SUM_MUTE:
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
if (mc->un.ord == 0)
value &= ~AD1843_SUMM;
else
value |= AD1843_SUMM;
ad1843_reg_write(sc, AD1843_MISC_SETTINGS, value);
break;
case AD1843_MNO_MUTE:
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
if (mc->un.ord == 0)
value &= ~AD1843_MNOM;
else
value |= AD1843_MNOM;
ad1843_reg_write(sc, AD1843_MISC_SETTINGS, value);
break;
case AD1843_HPO_MUTE:
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
if (mc->un.ord == 0)
value &= ~AD1843_HPOM;
else
value |= AD1843_HPOM;
ad1843_reg_write(sc, AD1843_MISC_SETTINGS, value);
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
break;
default:
return EINVAL;
}
return 0;
}
int
mavb_get_port(void *hdl, struct mixer_ctrl *mc)
{
struct mavb_softc *sc = (struct mavb_softc *)hdl;
u_char left, right;
ad1843_addr_t reg;
uint16_t value;
DPRINTF(1, ("%s: mavb_get_port: dev=%d\n", sc->sc_dev.dv_xname,
mc->dev));
switch (mc->dev) {
case AD1843_ADC_SOURCE:
value = ad1843_reg_read(sc, AD1843_ADC_SOURCE_GAIN);
mc->un.ord = (value & AD1843_LSS_MASK) >> AD1843_LSS_SHIFT;
break;
case AD1843_ADC_GAIN:
value = ad1843_reg_read(sc, AD1843_ADC_SOURCE_GAIN);
left = (value & AD1843_LIG_MASK) >> AD1843_LIG_SHIFT;
right = (value & AD1843_RIG_MASK) >> AD1843_RIG_SHIFT;
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
(left << 4) | left;
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
(right << 2) | right;
break;
case AD1843_DAC1_GAIN:
value = ad1843_reg_read(sc, AD1843_DAC1_ANALOG_GAIN);
left = (value & AD1843_LDA1G_MASK) >> AD1843_LDA1G_SHIFT;
right = (value & AD1843_RDA1G_MASK) >> AD1843_RDA1G_SHIFT;
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
AUDIO_MAX_GAIN - (left << 2);
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
AUDIO_MAX_GAIN - (right << 2);
break;
case AD1843_DAC1_MUTE:
value = ad1843_reg_read(sc, AD1843_DAC1_ANALOG_GAIN);
mc->un.ord = (value & AD1843_LDA1GM) ? 1 : 0;
break;
case AD1843_DAC2_GAIN:
case AD1843_AUX1_GAIN:
case AD1843_AUX2_GAIN:
case AD1843_AUX3_GAIN:
case AD1843_MIC_GAIN:
reg = AD1843_DAC2_TO_MIXER + mc->dev - AD1843_DAC2_GAIN;
value = ad1843_reg_read(sc, reg);
left = (value & AD1843_LD2M_MASK) >> AD1843_LD2M_SHIFT;
right = (value & AD1843_RD2M_MASK) >> AD1843_RD2M_SHIFT;
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
AUDIO_MAX_GAIN - (left << 3);
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
AUDIO_MAX_GAIN - (right << 3);
break;
case AD1843_MONO_GAIN:
if (mc->un.value.num_channels != 1)
return EINVAL;
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
left = (value & AD1843_MNM_MASK) >> AD1843_MNM_SHIFT;
mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
AUDIO_MAX_GAIN - (left << 3);
break;
case AD1843_DAC2_MUTE:
case AD1843_AUX1_MUTE:
case AD1843_AUX2_MUTE:
case AD1843_AUX3_MUTE:
case AD1843_MIC_MUTE:
case AD1843_MONO_MUTE: /* matches left channel */
reg = AD1843_DAC2_TO_MIXER + mc->dev - AD1843_DAC2_MUTE;
value = ad1843_reg_read(sc, reg);
mc->un.ord = (value & AD1843_LD2MM) ? 1 : 0;
break;
case AD1843_SUM_MUTE:
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
mc->un.ord = (value & AD1843_SUMM) ? 1 : 0;
break;
case AD1843_MNO_MUTE:
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
mc->un.ord = (value & AD1843_MNOM) ? 1 : 0;
break;
case AD1843_HPO_MUTE:
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
mc->un.ord = (value & AD1843_HPOM) ? 1 : 0;
break;
default:
return EINVAL;
}
return 0;
}
int
mavb_query_devinfo(void *hdl, struct mixer_devinfo *di)
{
int i;
di->prev = di->next = AUDIO_MIXER_LAST;
switch (di->index) {
case AD1843_RECORD_CLASS:
di->type = AUDIO_MIXER_CLASS;
di->mixer_class = AD1843_RECORD_CLASS;
strlcpy(di->label.name, AudioCrecord, sizeof di->label.name);
break;
case AD1843_ADC_SOURCE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = AD1843_RECORD_CLASS;
di->next = AD1843_ADC_GAIN;
strlcpy(di->label.name, AudioNsource, sizeof di->label.name);
di->un.e.num_mem =
sizeof ad1843_source / sizeof ad1843_source[1];
for (i = 0; i < di->un.e.num_mem; i++) {
strlcpy(di->un.e.member[i].label.name,
ad1843_source[i],
sizeof di->un.e.member[0].label.name);
di->un.e.member[i].ord = i;
}
break;
case AD1843_ADC_GAIN:
di->type = AUDIO_MIXER_VALUE;
di->mixer_class = AD1843_RECORD_CLASS;
di->prev = AD1843_ADC_SOURCE;
strlcpy(di->label.name, AudioNvolume, sizeof di->label.name);
di->un.v.num_channels = 2;
strlcpy(di->un.v.units.name, AudioNvolume,
sizeof di->un.v.units.name);
break;
case AD1843_INPUT_CLASS:
di->type = AUDIO_MIXER_CLASS;
di->mixer_class = AD1843_INPUT_CLASS;
strlcpy(di->label.name, AudioCinputs, sizeof di->label.name);
break;
case AD1843_DAC1_GAIN:
di->type = AUDIO_MIXER_VALUE;
di->mixer_class = AD1843_INPUT_CLASS;
di->next = AD1843_DAC1_MUTE;
strlcpy(di->label.name, AudioNdac "1", sizeof di->label.name);
di->un.v.num_channels = 2;
strlcpy(di->un.v.units.name, AudioNvolume,
sizeof di->un.v.units.name);
break;
case AD1843_DAC1_MUTE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = AD1843_INPUT_CLASS;
di->prev = AD1843_DAC1_GAIN;
strlcpy(di->label.name, AudioNmute, sizeof di->label.name);
di->un.e.num_mem = 2;
strlcpy(di->un.e.member[0].label.name, AudioNoff,
sizeof di->un.e.member[0].label.name);
di->un.e.member[0].ord = 0;
strlcpy(di->un.e.member[1].label.name, AudioNon,
sizeof di->un.e.member[1].label.name);
di->un.e.member[1].ord = 1;
break;
case AD1843_DAC2_GAIN:
case AD1843_AUX1_GAIN:
case AD1843_AUX2_GAIN:
case AD1843_AUX3_GAIN:
case AD1843_MIC_GAIN:
case AD1843_MONO_GAIN:
di->type = AUDIO_MIXER_VALUE;
di->mixer_class = AD1843_INPUT_CLASS;
di->next = di->index + AD1843_DAC2_MUTE - AD1843_DAC2_GAIN;
strlcpy(di->label.name,
ad1843_input[di->index - AD1843_DAC2_GAIN],
sizeof di->label.name);
if (di->index == AD1843_MONO_GAIN)
di->un.v.num_channels = 1;
else
di->un.v.num_channels = 2;
strlcpy(di->un.v.units.name, AudioNvolume,
sizeof di->un.v.units.name);
break;
case AD1843_DAC2_MUTE:
case AD1843_AUX1_MUTE:
case AD1843_AUX2_MUTE:
case AD1843_AUX3_MUTE:
case AD1843_MIC_MUTE:
case AD1843_MONO_MUTE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = AD1843_INPUT_CLASS;
di->prev = di->index + AD1843_DAC2_GAIN - AD1843_DAC2_MUTE;
strlcpy(di->label.name, AudioNmute, sizeof di->label.name);
di->un.e.num_mem = 2;
strlcpy(di->un.e.member[0].label.name, AudioNoff,
sizeof di->un.e.member[0].label.name);
di->un.e.member[0].ord = 0;
strlcpy(di->un.e.member[1].label.name, AudioNon,
sizeof di->un.e.member[1].label.name);
di->un.e.member[1].ord = 1;
break;
case AD1843_SUM_MUTE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = AD1843_INPUT_CLASS;
strlcpy(di->label.name, "sum." AudioNmute,
sizeof di->label.name);
di->un.e.num_mem = 2;
strlcpy(di->un.e.member[0].label.name, AudioNoff,
sizeof di->un.e.member[0].label.name);
di->un.e.member[0].ord = 0;
strlcpy(di->un.e.member[1].label.name, AudioNon,
sizeof di->un.e.member[1].label.name);
di->un.e.member[1].ord = 1;
break;
case AD1843_OUTPUT_CLASS:
di->type = AUDIO_MIXER_CLASS;
di->mixer_class = AD1843_OUTPUT_CLASS;
strlcpy(di->label.name, AudioCoutputs, sizeof di->label.name);
break;
case AD1843_MNO_MUTE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = AD1843_OUTPUT_CLASS;
strlcpy(di->label.name, AudioNmono "." AudioNmute,
sizeof di->label.name);
di->un.e.num_mem = 2;
strlcpy(di->un.e.member[0].label.name, AudioNoff,
sizeof di->un.e.member[0].label.name);
di->un.e.member[0].ord = 0;
strlcpy(di->un.e.member[1].label.name, AudioNon,
sizeof di->un.e.member[1].label.name);
di->un.e.member[1].ord = 1;
break;
case AD1843_HPO_MUTE:
di->type = AUDIO_MIXER_ENUM;
di->mixer_class = AD1843_OUTPUT_CLASS;
strlcpy(di->label.name, AudioNheadphone "." AudioNmute,
sizeof di->label.name);
di->un.e.num_mem = 2;
strlcpy(di->un.e.member[0].label.name, AudioNoff,
sizeof di->un.e.member[0].label.name);
di->un.e.member[0].ord = 0;
strlcpy(di->un.e.member[1].label.name, AudioNon,
sizeof di->un.e.member[1].label.name);
di->un.e.member[1].ord = 1;
break;
default:
return EINVAL;
}
return 0;
}
size_t
mavb_round_buffersize(void *hdl, int dir, size_t bufsize)
{
return bufsize;
}
int
mavb_get_props(void *hdl)
{
return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
}
static void
mavb_dma_output(struct mavb_softc *sc)
{
bus_space_tag_t st = sc->sc_st;
bus_space_handle_t sh = sc->sc_sh;
uint64_t write_ptr;
uint64_t depth;
uint8_t *src, *dst;
int count;
write_ptr = bus_space_read_8(st, sh, MAVB_CHANNEL2_WRITE_PTR);
depth = bus_space_read_8(st, sh, MAVB_CHANNEL2_DEPTH);
dst = sc->sc_ring + write_ptr;
src = sc->sc_get;
count = (MAVB_ISA_RING_SIZE - depth - 32);
while (--count >= 0) {
*dst++ = *src++;
if (dst >= sc->sc_ring + MAVB_ISA_RING_SIZE)
dst = sc->sc_ring;
if (src >= sc->sc_end)
src = sc->sc_start;
if (++sc->sc_count >= sc->sc_blksize) {
if (sc->sc_intr)
sc->sc_intr(sc->sc_intrarg);
sc->sc_count = 0;
}
}
write_ptr = dst - sc->sc_ring;
bus_space_write_8(st, sh, MAVB_CHANNEL2_WRITE_PTR, write_ptr);
sc->sc_get = src;
}
int
mavb_trigger_output(void *hdl, void *start, void *end, int blksize,
void (*intr)(void *), void *intrarg,
const audio_params_t *param)
{
struct mavb_softc *sc = (struct mavb_softc *)hdl;
DPRINTF(1, ("%s: mavb_trigger_output: start=%p end=%p "
"blksize=%d intr=%p(%p)\n", sc->sc_dev.dv_xname,
start, end, blksize, intr, intrarg));
sc->sc_blksize = blksize;
sc->sc_intr = intr;
sc->sc_intrarg = intrarg;
sc->sc_start = sc->sc_get = start;
sc->sc_end = end;
sc->sc_count = 0;
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CHANNEL2_CONTROL,
MAVB_CHANNEL_RESET);
delay(1000);
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CHANNEL2_CONTROL, 0);
mavb_dma_output(sc);
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CHANNEL2_CONTROL,
MAVB_CHANNEL_DMA_ENABLE | MAVB_CHANNEL_INT_50);
return 0;
}
int
mavb_trigger_input(void *hdl, void *start, void *end, int blksize,
void (*intr)(void *), void *intrarg,
const audio_params_t *param)
{
return 0;
}
static void
mavb_button_repeat(void *hdl)
{
struct mavb_softc *sc = (struct mavb_softc *)hdl;
uint64_t intmask, control;
uint16_t value, left, right;
DPRINTF(1, ("%s: mavb_repeat called\n", sc->sc_dev.dv_xname));
#define MAVB_CONTROL_VOLUME_BUTTONS \
(MAVB_CONTROL_VOLUME_BUTTON_UP | MAVB_CONTROL_VOLUME_BUTTON_DOWN)
control = bus_space_read_8(sc->sc_st, sc->sc_sh, MAVB_CONTROL);
if (control & MAVB_CONTROL_VOLUME_BUTTONS) {
value = ad1843_reg_read(sc, AD1843_DAC1_ANALOG_GAIN);
left = (value & AD1843_LDA1G_MASK) >> AD1843_LDA1G_SHIFT;
right = (value & AD1843_RDA1G_MASK) >> AD1843_RDA1G_SHIFT;
if (control & MAVB_CONTROL_VOLUME_BUTTON_UP) {
control &= ~MAVB_CONTROL_VOLUME_BUTTON_UP;
if (left > 0)
left--; /* attenuation! */
if (right > 0)
right--;
}
if (control & MAVB_CONTROL_VOLUME_BUTTON_DOWN) {
control &= ~MAVB_CONTROL_VOLUME_BUTTON_DOWN;
if (left < 63)
left++;
if (right < 63)
right++;
}
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CONTROL, control);
value &= ~(AD1843_LDA1G_MASK | AD1843_RDA1G_MASK);
value |= (left << AD1843_LDA1G_SHIFT);
value |= (right << AD1843_RDA1G_SHIFT);
ad1843_reg_write(sc, AD1843_DAC1_ANALOG_GAIN, value);
callout_reset(&sc->sc_volume_button_ch,
(hz * MAVB_VOLUME_BUTTON_REPEAT_DELN) / 1000,
mavb_button_repeat, sc);
} else {
/* Enable volume button interrupts again. */
intmask = bus_space_read_8(sc->sc_st, sc->sc_isash,
MACE_ISA_INT_MASK);
bus_space_write_8(sc->sc_st, sc->sc_isash, MACE_ISA_INT_MASK,
intmask | MACE_ISA_INT_AUDIO_SC);
}
}
static int
mavb_intr(void *arg)
{
struct mavb_softc *sc = arg;
uint64_t stat, intmask;
stat = bus_space_read_8(sc->sc_st, sc->sc_isash, MACE_ISA_INT_STATUS);
DPRINTF(MAVB_DEBUG_INTR, ("%s: mavb_intr: stat = 0x%llx\n",
sc->sc_dev.dv_xname, stat));
if (stat & MACE_ISA_INT_AUDIO_SC) {
/* Disable volume button interrupts. */
intmask = bus_space_read_8(sc->sc_st, sc->sc_isash,
MACE_ISA_INT_MASK);
bus_space_write_8(sc->sc_st, sc->sc_isash, MACE_ISA_INT_MASK,
intmask & ~MACE_ISA_INT_AUDIO_SC);
callout_reset(&sc->sc_volume_button_ch,
(hz * MAVB_VOLUME_BUTTON_REPEAT_DEL1) / 1000,
mavb_button_repeat, sc);
}
if (stat & MACE_ISA_INT_AUDIO_DMA2)
mavb_dma_output(sc);
return 1;
}
int
mavb_match(struct device *parent, struct cfdata *match, void *aux)
{
return 1;
}
void
mavb_attach(struct device *parent, struct device *self, void *aux)
{
struct mavb_softc *sc = (void *)self;
struct mace_attach_args *maa = aux;
bus_dma_segment_t seg;
uint64_t control;
uint16_t value;
int rseg, err;
sc->sc_st = maa->maa_st;
if (bus_space_subregion(sc->sc_st, maa->maa_sh, maa->maa_offset,
0, &sc->sc_sh) != 0) {
printf(": can't map i/o space\n");
return;
}
/* XXX We need access to some of the MACE ISA registers. */
if (bus_space_subregion(sc->sc_st, maa->maa_sh, 0, 0,
&sc->sc_isash) != 0) {
printf(": can't map isa i/o space\n");
return;
}
/* Set up DMA structures. */
sc->sc_dmat = maa->maa_dmat;
if (bus_dmamap_create(sc->sc_dmat, 4 * MAVB_ISA_RING_SIZE, 1,
4 * MAVB_ISA_RING_SIZE, 0, 0, &sc->sc_dmamap)) {
printf(": can't create MACE ISA DMA map\n");
return;
}
if (bus_dmamem_alloc(sc->sc_dmat, 4 * MAVB_ISA_RING_SIZE,
MACE_ISA_RING_ALIGN, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) {
printf(": can't allocate ring buffer\n");
return;
}
if (bus_dmamem_map(sc->sc_dmat, &seg, rseg, 4 * MAVB_ISA_RING_SIZE,
(void *)&sc->sc_ring, BUS_DMA_COHERENT)) {
printf(": can't map ring buffer\n");
return;
}
if (bus_dmamap_load(sc->sc_dmat, sc->sc_dmamap, sc->sc_ring,
4 * MAVB_ISA_RING_SIZE, NULL, BUS_DMA_NOWAIT)) {
printf(": can't load MACE ISA DMA map\n");
return;
}
sc->sc_ring += MAVB_ISA_RING_SIZE; /* XXX */
bus_space_write_8(sc->sc_st, sc->sc_isash, MACE_ISA_RINGBASE,
sc->sc_dmamap->dm_segs[0].ds_addr);
/* Establish interrupt. */
cpu_intr_establish(maa->maa_intr, maa->maa_intrmask,
mavb_intr, sc);
control = bus_space_read_8(sc->sc_st, sc->sc_sh, MAVB_CONTROL);
if (!(control & MAVB_CONTROL_CODEC_PRESENT)) {
printf(": no codec present\n");
return;
}
/* 2. Assert the RESET signal. */
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CONTROL,
MAVB_CONTROL_RESET);
delay(1); /* at least 100 ns */
/* 3. Deassert the RESET signal and enter a wait period to
allow the AD1843 internal clocks and the external
crystal oscillator to stabilize. */
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CONTROL, 0);
delay(800); /* typically 400 us to 800 us */
if (ad1843_reg_read(sc, AD1843_CODEC_STATUS) & AD1843_INIT) {
printf(": codec not ready\n");
return;
}
/* 4. Put the conversion sources into standby. */
value = ad1843_reg_read(sc, AD1843_FUNDAMENTAL_SETTINGS);
ad1843_reg_write(sc, AD1843_FUNDAMENTAL_SETTINGS,
value & ~AD1843_PDNI);
delay (500000); /* approximately 474 ms */
if (ad1843_reg_read(sc, AD1843_CODEC_STATUS) & AD1843_PDNO) {
printf(": can't power up conversion resources\n");
return;
}
/* 5. Power up the clock generators and enable clock output pins. */
value = ad1843_reg_read(sc, AD1843_FUNDAMENTAL_SETTINGS);
ad1843_reg_write(sc, AD1843_FUNDAMENTAL_SETTINGS, value | AD1843_C2EN);
/* 6. Configure conversion resources while they are in standby. */
value = ad1843_reg_read(sc, AD1843_CHANNEL_SAMPLE_RATE);
ad1843_reg_write(sc, AD1843_CHANNEL_SAMPLE_RATE,
value | (2 << AD1843_DA1C_SHIFT));
/* 7. Enable conversion resources. */
value = ad1843_reg_read(sc, AD1843_CHANNEL_POWER_DOWN);
ad1843_reg_write(sc, AD1843_CHANNEL_POWER_DOWN,
value | (AD1843_DA1EN | AD1843_AAMEN));
/* 8. Configure conversion resources while they are enabled. */
value = ad1843_reg_read(sc, AD1843_DAC1_ANALOG_GAIN);
ad1843_reg_write(sc, AD1843_DAC1_ANALOG_GAIN,
value & ~(AD1843_LDA1GM | AD1843_RDA1GM));
value = ad1843_reg_read(sc, AD1843_DAC1_DIGITAL_GAIN);
ad1843_reg_write(sc, AD1843_DAC1_DIGITAL_GAIN,
value & ~(AD1843_LDA1AM | AD1843_RDA1AM));
value = ad1843_reg_read(sc, AD1843_MISC_SETTINGS);
ad1843_reg_write(sc, AD1843_MISC_SETTINGS,
value & ~(AD1843_HPOM | AD1843_MNOM));
value = ad1843_reg_read(sc, AD1843_CODEC_STATUS);
printf(": AD1843 rev %d\n", (u_int)value & AD1843_REVISION_MASK);
sc->sc_play_rate = 48000;
sc->sc_play_format = AD1843_PCM8;
memcpy(sc->sc_formats, mavb_formats, sizeof(mavb_formats));
err = auconv_create_encodings(sc->sc_formats, MAVB_NFORMATS,
&sc->sc_encodings);
if (err) {
printf("%s: couldn't create encodings: %d\n",
device_xname(self), err);
return;
}
callout_init(&sc->sc_volume_button_ch, 0);
audio_attach_mi(&mavb_sa_hw_if, sc, &sc->sc_dev);
return;
}
uint16_t
ad1843_reg_read(struct mavb_softc *sc, ad1843_addr_t addr)
{
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CODEC_CONTROL,
(addr & MAVB_CODEC_ADDRESS_MASK) << MAVB_CODEC_ADDRESS_SHIFT |
MAVB_CODEC_READ);
delay(200);
return bus_space_read_8(sc->sc_st, sc->sc_sh, MAVB_CODEC_STATUS);
}
uint16_t
ad1843_reg_write(struct mavb_softc *sc, ad1843_addr_t addr, uint16_t value)
{
bus_space_write_8(sc->sc_st, sc->sc_sh, MAVB_CODEC_CONTROL,
(addr & MAVB_CODEC_ADDRESS_MASK) << MAVB_CODEC_ADDRESS_SHIFT |
(value & MAVB_CODEC_WORD_MASK) << MAVB_CODEC_WORD_SHIFT);
delay(200);
return bus_space_read_8(sc->sc_st, sc->sc_sh, MAVB_CODEC_STATUS);
}
void
ad1843_dump_regs(struct mavb_softc *sc)
{
uint16_t addr;
for (addr = 0; addr < AD1843_NREGS; addr++)
printf("%d: 0x%04x\n", addr, ad1843_reg_read(sc, addr));
}
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