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tumbler.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PMac Tumbler/Snapper lowlevel functions
*
* Copyright (c) by Takashi Iwai <tiwai@suse.de>
*
* Rene Rebe <rene.rebe@gmx.net>:
* * update from shadow registers on wakeup and headphone plug
* * automatically toggle DRC on headphone plug
*/
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/of_irq.h>
#include <linux/io.h>
#include <sound/core.h>
#include <asm/irq.h>
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
#include "pmac.h"
#include "tumbler_volume.h"
#undef DEBUG
#ifdef DEBUG
#define DBG(fmt...) pr_debug(fmt)
#else
#define DBG(fmt...)
#endif
#define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
/* i2c address for tumbler */
#define TAS_I2C_ADDR 0x34
/* registers */
#define TAS_REG_MCS 0x01 /* main control */
#define TAS_REG_DRC 0x02
#define TAS_REG_VOL 0x04
#define TAS_REG_TREBLE 0x05
#define TAS_REG_BASS 0x06
#define TAS_REG_INPUT1 0x07
#define TAS_REG_INPUT2 0x08
/* tas3001c */
#define TAS_REG_PCM TAS_REG_INPUT1
/* tas3004 */
#define TAS_REG_LMIX TAS_REG_INPUT1
#define TAS_REG_RMIX TAS_REG_INPUT2
#define TAS_REG_MCS2 0x43 /* main control 2 */
#define TAS_REG_ACS 0x40 /* analog control */
/* mono volumes for tas3001c/tas3004 */
enum {
VOL_IDX_PCM_MONO, /* tas3001c only */
VOL_IDX_BASS, VOL_IDX_TREBLE,
VOL_IDX_LAST_MONO
};
/* stereo volumes for tas3004 */
enum {
VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
VOL_IDX_LAST_MIX
};
struct pmac_gpio {
unsigned int addr;
u8 active_val;
u8 inactive_val;
u8 active_state;
};
struct pmac_tumbler {
struct pmac_keywest i2c;
struct pmac_gpio audio_reset;
struct pmac_gpio amp_mute;
struct pmac_gpio line_mute;
struct pmac_gpio line_detect;
struct pmac_gpio hp_mute;
struct pmac_gpio hp_detect;
int headphone_irq;
int lineout_irq;
unsigned int save_master_vol[2];
unsigned int master_vol[2];
unsigned int save_master_switch[2];
unsigned int master_switch[2];
unsigned int mono_vol[VOL_IDX_LAST_MONO];
unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
int drc_range;
int drc_enable;
int capture_source;
int anded_reset;
int auto_mute_notify;
int reset_on_sleep;
u8 acs;
};
/*
*/
static int send_init_client(struct pmac_keywest *i2c, const unsigned int *regs)
{
while (*regs > 0) {
int err, count = 10;
do {
err = i2c_smbus_write_byte_data(i2c->client,
regs[0], regs[1]);
if (err >= 0)
break;
DBG("(W) i2c error %d\n", err);
mdelay(10);
} while (count--);
if (err < 0)
return -ENXIO;
regs += 2;
}
return 0;
}
static int tumbler_init_client(struct pmac_keywest *i2c)
{
static const unsigned int regs[] = {
/* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
0, /* terminator */
};
DBG("(I) tumbler init client\n");
return send_init_client(i2c, regs);
}
static int snapper_init_client(struct pmac_keywest *i2c)
{
static const unsigned int regs[] = {
/* normal operation, SCLK=64fps, i2s output, 16bit width */
TAS_REG_MCS, (1<<6)|(2<<4)|0,
/* normal operation, all-pass mode */
TAS_REG_MCS2, (1<<1),
/* normal output, no deemphasis, A input, power-up, line-in */
TAS_REG_ACS, 0,
0, /* terminator */
};
DBG("(I) snapper init client\n");
return send_init_client(i2c, regs);
}
/*
* gpio access
*/
#define do_gpio_write(gp, val) \
pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
#define do_gpio_read(gp) \
pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
#define tumbler_gpio_free(gp) /* NOP */
static void write_audio_gpio(struct pmac_gpio *gp, int active)
{
if (! gp->addr)
return;
active = active ? gp->active_val : gp->inactive_val;
do_gpio_write(gp, active);
DBG("(I) gpio %x write %d\n", gp->addr, active);
}
static int check_audio_gpio(struct pmac_gpio *gp)
{
int ret;
if (! gp->addr)
return 0;
ret = do_gpio_read(gp);
return (ret & 0x1) == (gp->active_val & 0x1);
}
static int read_audio_gpio(struct pmac_gpio *gp)
{
int ret;
if (! gp->addr)
return 0;
ret = do_gpio_read(gp);
ret = (ret & 0x02) !=0;
return ret == gp->active_state;
}
/*
* update master volume
*/
static int tumbler_set_master_volume(struct pmac_tumbler *mix)
{
unsigned char block[6];
unsigned int left_vol, right_vol;
if (! mix->i2c.client)
return -ENODEV;
if (! mix->master_switch[0])
left_vol = 0;
else {
left_vol = mix->master_vol[0];
if (left_vol >= ARRAY_SIZE(master_volume_table))
left_vol = ARRAY_SIZE(master_volume_table) - 1;
left_vol = master_volume_table[left_vol];
}
if (! mix->master_switch[1])
right_vol = 0;
else {
right_vol = mix->master_vol[1];
if (right_vol >= ARRAY_SIZE(master_volume_table))
right_vol = ARRAY_SIZE(master_volume_table) - 1;
right_vol = master_volume_table[right_vol];
}
block[0] = (left_vol >> 16) & 0xff;
block[1] = (left_vol >> 8) & 0xff;
block[2] = (left_vol >> 0) & 0xff;
block[3] = (right_vol >> 16) & 0xff;
block[4] = (right_vol >> 8) & 0xff;
block[5] = (right_vol >> 0) & 0xff;
if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
block) < 0) {
dev_err(&mix->i2c.client->dev, "failed to set volume\n");
return -EINVAL;
}
DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
return 0;
}
/* output volume */
static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
return 0;
}
static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix = chip->mixer_data;
ucontrol->value.integer.value[0] = mix->master_vol[0];
ucontrol->value.integer.value[1] = mix->master_vol[1];
return 0;
}
static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix = chip->mixer_data;
unsigned int vol[2];
int change;
vol[0] = ucontrol->value.integer.value[0];
vol[1] = ucontrol->value.integer.value[1];
if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
vol[1] >= ARRAY_SIZE(master_volume_table))
return -EINVAL;
change = mix->master_vol[0] != vol[0] ||
mix->master_vol[1] != vol[1];
if (change) {
mix->master_vol[0] = vol[0];
mix->master_vol[1] = vol[1];
tumbler_set_master_volume(mix);
}
return change;
}
/* output switch */
static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix = chip->mixer_data;
ucontrol->value.integer.value[0] = mix->master_switch[0];
ucontrol->value.integer.value[1] = mix->master_switch[1];
return 0;
}
static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix = chip->mixer_data;
int change;
change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
mix->master_switch[1] != ucontrol->value.integer.value[1];
if (change) {
mix->master_switch[0] = !!ucontrol->value.integer.value[0];
mix->master_switch[1] = !!ucontrol->value.integer.value[1];
tumbler_set_master_volume(mix);
}
return change;
}
/*
* TAS3001c dynamic range compression
*/
#define TAS3001_DRC_MAX 0x5f
static int tumbler_set_drc(struct pmac_tumbler *mix)
{
unsigned char val[2];
if (! mix->i2c.client)
return -ENODEV;
if (mix->drc_enable) {
val[0] = 0xc1; /* enable, 3:1 compression */
if (mix->drc_range > TAS3001_DRC_MAX)
val[1] = 0xf0;
else if (mix->drc_range < 0)
val[1] = 0x91;
else
val[1] = mix->drc_range + 0x91;
} else {
val[0] = 0;
val[1] = 0;
}
if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
2, val) < 0) {
dev_err(&mix->i2c.client->dev, "failed to set DRC\n");
return -EINVAL;
}
DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
return 0;
}
/*
* TAS3004
*/
#define TAS3004_DRC_MAX 0xef
static int snapper_set_drc(struct pmac_tumbler *mix)
{
unsigned char val[6];
if (! mix->i2c.client)
return -ENODEV;
if (mix->drc_enable)
val[0] = 0x50; /* 3:1 above threshold */
else
val[0] = 0x51; /* disabled */
val[1] = 0x02; /* 1:1 below threshold */
if (mix->drc_range > 0xef)
val[2] = 0xef;
else if (mix->drc_range < 0)
val[2] = 0x00;
else
val[2] = mix->drc_range;
val[3] = 0xb0;
val[4] = 0x60;
val[5] = 0xa0;
if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
6, val) < 0) {
dev_err(&mix->i2c.client->dev, "failed to set DRC\n");
return -EINVAL;
}
DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
return 0;
}
static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max =
chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
return 0;
}
static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
ucontrol->value.integer.value[0] = mix->drc_range;
return 0;
}
static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
unsigned int val;
int change;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
val = ucontrol->value.integer.value[0];
if (chip->model == PMAC_TUMBLER) {
if (val > TAS3001_DRC_MAX)
return -EINVAL;
} else {
if (val > TAS3004_DRC_MAX)
return -EINVAL;
}
change = mix->drc_range != val;
if (change) {
mix->drc_range = val;
if (chip->model == PMAC_TUMBLER)
tumbler_set_drc(mix);
else
snapper_set_drc(mix);
}
return change;
}
static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
ucontrol->value.integer.value[0] = mix->drc_enable;
return 0;
}
static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
int change;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
change = mix->drc_enable != ucontrol->value.integer.value[0];
if (change) {
mix->drc_enable = !!ucontrol->value.integer.value[0];
if (chip->model == PMAC_TUMBLER)
tumbler_set_drc(mix);
else
snapper_set_drc(mix);
}
return change;
}
/*
* mono volumes
*/
struct tumbler_mono_vol {
int index;
int reg;
int bytes;
unsigned int max;
const unsigned int *table;
};
static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
const struct tumbler_mono_vol *info)
{
unsigned char block[4];
unsigned int vol;
int i;
if (! mix->i2c.client)
return -ENODEV;
vol = mix->mono_vol[info->index];
if (vol >= info->max)
vol = info->max - 1;
vol = info->table[vol];
for (i = 0; i < info->bytes; i++)
block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
info->bytes, block) < 0) {
dev_err(&mix->i2c.client->dev, "failed to set mono volume %d\n",
info->index);
return -EINVAL;
}
return 0;
}
static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = info->max - 1;
return 0;
}
static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
return 0;
}
static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
unsigned int vol;
int change;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
vol = ucontrol->value.integer.value[0];
if (vol >= info->max)
return -EINVAL;
change = mix->mono_vol[info->index] != vol;
if (change) {
mix->mono_vol[info->index] = vol;
tumbler_set_mono_volume(mix, info);
}
return change;
}
/* TAS3001c mono volumes */
static const struct tumbler_mono_vol tumbler_pcm_vol_info = {
.index = VOL_IDX_PCM_MONO,
.reg = TAS_REG_PCM,
.bytes = 3,
.max = ARRAY_SIZE(mixer_volume_table),
.table = mixer_volume_table,
};
static const struct tumbler_mono_vol tumbler_bass_vol_info = {
.index = VOL_IDX_BASS,
.reg = TAS_REG_BASS,
.bytes = 1,
.max = ARRAY_SIZE(bass_volume_table),
.table = bass_volume_table,
};
static const struct tumbler_mono_vol tumbler_treble_vol_info = {
.index = VOL_IDX_TREBLE,
.reg = TAS_REG_TREBLE,
.bytes = 1,
.max = ARRAY_SIZE(treble_volume_table),
.table = treble_volume_table,
};
/* TAS3004 mono volumes */
static const struct tumbler_mono_vol snapper_bass_vol_info = {
.index = VOL_IDX_BASS,
.reg = TAS_REG_BASS,
.bytes = 1,
.max = ARRAY_SIZE(snapper_bass_volume_table),
.table = snapper_bass_volume_table,
};
static const struct tumbler_mono_vol snapper_treble_vol_info = {
.index = VOL_IDX_TREBLE,
.reg = TAS_REG_TREBLE,
.bytes = 1,
.max = ARRAY_SIZE(snapper_treble_volume_table),
.table = snapper_treble_volume_table,
};
#define DEFINE_MONO(xname,type) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
.name = xname, \
.info = tumbler_info_mono, \
.get = tumbler_get_mono, \
.put = tumbler_put_mono, \
.private_value = (unsigned long)(&tumbler_##type##_vol_info), \
}
#define DEFINE_SNAPPER_MONO(xname,type) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
.name = xname, \
.info = tumbler_info_mono, \
.get = tumbler_get_mono, \
.put = tumbler_put_mono, \
.private_value = (unsigned long)(&snapper_##type##_vol_info), \
}
/*
* snapper mixer volumes
*/
static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
{
int i, j, vol;
unsigned char block[9];
vol = mix->mix_vol[idx][ch];
if (vol >= ARRAY_SIZE(mixer_volume_table)) {
vol = ARRAY_SIZE(mixer_volume_table) - 1;
mix->mix_vol[idx][ch] = vol;
}
for (i = 0; i < 3; i++) {
vol = mix->mix_vol[i][ch];
vol = mixer_volume_table[vol];
for (j = 0; j < 3; j++)
block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
}
if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
9, block) < 0) {
dev_err(&mix->i2c.client->dev,
"failed to set mono volume %d\n", reg);
return -EINVAL;
}
return 0;
}
static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
{
if (! mix->i2c.client)
return -ENODEV;
if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
return -EINVAL;
return 0;
}
static int snapper_info_mix(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
return 0;
}
static int snapper_get_mix(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int idx = (int)kcontrol->private_value;
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
return 0;
}
static int snapper_put_mix(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int idx = (int)kcontrol->private_value;
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
unsigned int vol[2];
int change;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
vol[0] = ucontrol->value.integer.value[0];
vol[1] = ucontrol->value.integer.value[1];
if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
vol[1] >= ARRAY_SIZE(mixer_volume_table))
return -EINVAL;
change = mix->mix_vol[idx][0] != vol[0] ||
mix->mix_vol[idx][1] != vol[1];
if (change) {
mix->mix_vol[idx][0] = vol[0];
mix->mix_vol[idx][1] = vol[1];
snapper_set_mix_vol(mix, idx);
}
return change;
}
/*
* mute switches. FIXME: Turn that into software mute when both outputs are muted
* to avoid codec reset on ibook M7
*/
enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
struct pmac_gpio *gp;
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
switch(kcontrol->private_value) {
case TUMBLER_MUTE_HP:
gp = &mix->hp_mute; break;
case TUMBLER_MUTE_AMP:
gp = &mix->amp_mute; break;
case TUMBLER_MUTE_LINE:
gp = &mix->line_mute; break;
default:
gp = NULL;
}
if (gp == NULL)
return -EINVAL;
ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
return 0;
}
static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
struct pmac_gpio *gp;
int val;
#ifdef PMAC_SUPPORT_AUTOMUTE
if (chip->update_automute && chip->auto_mute)
return 0; /* don't touch in the auto-mute mode */
#endif
mix = chip->mixer_data;
if (!mix)
return -ENODEV;
switch(kcontrol->private_value) {
case TUMBLER_MUTE_HP:
gp = &mix->hp_mute; break;
case TUMBLER_MUTE_AMP:
gp = &mix->amp_mute; break;
case TUMBLER_MUTE_LINE:
gp = &mix->line_mute; break;
default:
gp = NULL;
}
if (gp == NULL)
return -EINVAL;
val = ! check_audio_gpio(gp);
if (val != ucontrol->value.integer.value[0]) {
write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
return 1;
}
return 0;
}
static int snapper_set_capture_source(struct pmac_tumbler *mix)
{
if (! mix->i2c.client)
return -ENODEV;
if (mix->capture_source)
mix->acs |= 2;
else
mix->acs &= ~2;
return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
}
static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[2] = {
"Line", "Mic"
};
return snd_ctl_enum_info(uinfo, 1, 2, texts);
}
static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix = chip->mixer_data;
ucontrol->value.enumerated.item[0] = mix->capture_source;
return 0;
}
static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix = chip->mixer_data;
int change;
change = ucontrol->value.enumerated.item[0] != mix->capture_source;
if (change) {
mix->capture_source = !!ucontrol->value.enumerated.item[0];
snapper_set_capture_source(mix);
}
return change;
}
#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
.name = xname, \
.info = snapper_info_mix, \
.get = snapper_get_mix, \
.put = snapper_put_mix, \
.index = idx,\
.private_value = ofs, \
}
/*
*/
static const struct snd_kcontrol_new tumbler_mixers[] = {
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Volume",
.info = tumbler_info_master_volume,
.get = tumbler_get_master_volume,
.put = tumbler_put_master_volume
},
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Switch",
.info = snd_pmac_boolean_stereo_info,
.get = tumbler_get_master_switch,
.put = tumbler_put_master_switch
},
DEFINE_MONO("Tone Control - Bass", bass),
DEFINE_MONO("Tone Control - Treble", treble),
DEFINE_MONO("PCM Playback Volume", pcm),
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DRC Range",
.info = tumbler_info_drc_value,
.get = tumbler_get_drc_value,
.put = tumbler_put_drc_value
},
};
static const struct snd_kcontrol_new snapper_mixers[] = {
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Volume",
.info = tumbler_info_master_volume,
.get = tumbler_get_master_volume,
.put = tumbler_put_master_volume
},
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Switch",
.info = snd_pmac_boolean_stereo_info,
.get = tumbler_get_master_switch,
.put = tumbler_put_master_switch
},
DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
/* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DRC Range",
.info = tumbler_info_drc_value,
.get = tumbler_get_drc_value,
.put = tumbler_put_drc_value
},
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
.info = snapper_info_capture_source,
.get = snapper_get_capture_source,
.put = snapper_put_capture_source
},
};
static const struct snd_kcontrol_new tumbler_hp_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphone Playback Switch",
.info = snd_pmac_boolean_mono_info,
.get = tumbler_get_mute_switch,
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_HP,
};
static const struct snd_kcontrol_new tumbler_speaker_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Speaker Playback Switch",
.info = snd_pmac_boolean_mono_info,
.get = tumbler_get_mute_switch,
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_AMP,
};
static const struct snd_kcontrol_new tumbler_lineout_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line Out Playback Switch",
.info = snd_pmac_boolean_mono_info,
.get = tumbler_get_mute_switch,
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_LINE,
};
static const struct snd_kcontrol_new tumbler_drc_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DRC Switch",
.info = snd_pmac_boolean_mono_info,
.get = tumbler_get_drc_switch,
.put = tumbler_put_drc_switch
};
#ifdef PMAC_SUPPORT_AUTOMUTE
/*
* auto-mute stuffs
*/
static int tumbler_detect_headphone(struct snd_pmac *chip)
{
struct pmac_tumbler *mix = chip->mixer_data;
int detect = 0;
if (mix->hp_detect.addr)
detect |= read_audio_gpio(&mix->hp_detect);
return detect;
}
static int tumbler_detect_lineout(struct snd_pmac *chip)
{
struct pmac_tumbler *mix = chip->mixer_data;
int detect = 0;
if (mix->line_detect.addr)
detect |= read_audio_gpio(&mix->line_detect);
return detect;
}
static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
struct snd_kcontrol *sw)
{
if (check_audio_gpio(gp) != val) {
write_audio_gpio(gp, val);
if (do_notify)
snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
&sw->id);
}
}
static struct work_struct device_change;
static struct snd_pmac *device_change_chip;
static void device_change_handler(struct work_struct *work)
{
struct snd_pmac *chip = device_change_chip;
struct pmac_tumbler *mix;
int headphone, lineout;
if (!chip)
return;
mix = chip->mixer_data;
if (snd_BUG_ON(!mix))
return;
headphone = tumbler_detect_headphone(chip);
lineout = tumbler_detect_lineout(chip);
DBG("headphone: %d, lineout: %d\n", headphone, lineout);
if (headphone || lineout) {
/* unmute headphone/lineout & mute speaker */
if (headphone)
check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
chip->master_sw_ctl);
if (lineout && mix->line_mute.addr != 0)
check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
chip->lineout_sw_ctl);
if (mix->anded_reset)
msleep(10);
check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
chip->speaker_sw_ctl);
} else {
/* unmute speaker, mute others */
check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,