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raspberrypi-kernel
提交 5da95273 编写于 作者: T Takashi Iwai
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ALSA: ca0106 - Add power-management support 

Added the missing PM support for snd-ca0106 driver.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
上级 9bf1a244
展开全部 隐藏空白更改
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Showing with 450 addition and 266 deletion
sound/pci/ca0106/ca0106.h
浏览文件 @ 5da95273
......@@ -686,7 +686,7 @@ struct snd_ca0106 {
spinlock_t emu_lock;
struct snd_ac97 *ac97;
struct snd_pcm *pcm;
struct snd_pcm *pcm[4];
struct snd_ca0106_channel playback_channels[4];
struct snd_ca0106_channel capture_channels[4];
......@@ -703,6 +703,11 @@ struct snd_ca0106 {
struct snd_ca_midi midi2;
u16 spi_dac_reg[16];
#ifdef CONFIG_PM
#define NUM_SAVED_VOLUMES 9
unsigned int saved_vol[NUM_SAVED_VOLUMES];
#endif
};
int snd_ca0106_mixer(struct snd_ca0106 *emu);
......@@ -721,3 +726,11 @@ int snd_ca0106_i2c_write(struct snd_ca0106 *emu, u32 reg, u32 value);
int snd_ca0106_spi_write(struct snd_ca0106 * emu,
unsigned int data);
#ifdef CONFIG_PM
void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip);
void snd_ca0106_mixer_resume(struct snd_ca0106 *chip);
#else
#define snd_ca0106_mixer_suspend(chip) do { } while (0)
#define snd_ca0106_mixer_resume(chip) do { } while (0)
#endif
sound/pci/ca0106/ca0106_main.c
浏览文件 @ 5da95273
此差异已折叠。
sound/pci/ca0106/ca0106_mixer.c
浏览文件 @ 5da95273
......@@ -75,6 +75,84 @@
#include "ca0106.h"
static void ca0106_spdif_enable(struct snd_ca0106 *emu)
{
unsigned int val;
if (emu->spdif_enable) {
/* Digital */
snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000;
snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
val = inl(emu->port + GPIO) & ~0x101;
outl(val, emu->port + GPIO);
} else {
/* Analog */
snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000;
snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
val = inl(emu->port + GPIO) | 0x101;
outl(val, emu->port + GPIO);
}
}
static void ca0106_set_capture_source(struct snd_ca0106 *emu)
{
unsigned int val = emu->capture_source;
unsigned int source, mask;
source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
}
static void ca0106_set_i2c_capture_source(struct snd_ca0106 *emu,
unsigned int val, int force)
{
unsigned int ngain, ogain;
u32 source;
snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
ngain = emu->i2c_capture_volume[val][0]; /* Left */
ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
if (force || ngain != ogain)
snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ngain & 0xff);
ngain = emu->i2c_capture_volume[val][1]; /* Right */
ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
if (force || ngain != ogain)
snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ngain & 0xff);
source = 1 << val;
snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
emu->i2c_capture_source = val;
}
static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
{
u32 tmp;
if (emu->capture_mic_line_in) {
/* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
tmp = inl(emu->port+GPIO) & ~0x400;
tmp = tmp | 0x400;
outl(tmp, emu->port+GPIO);
/* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC); */
} else {
/* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
tmp = inl(emu->port+GPIO) & ~0x400;
outl(tmp, emu->port+GPIO);
/* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN); */
}
}
static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
{
snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_bits[idx]);
}
/*
*/
static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);
......@@ -95,30 +173,12 @@ static int snd_ca0106_shared_spdif_put(struct snd_kcontrol *kcontrol,
struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
unsigned int val;
int change = 0;
u32 mask;
val = !!ucontrol->value.integer.value[0];
change = (emu->spdif_enable != val);
if (change) {
emu->spdif_enable = val;
if (val) {
/* Digital */
snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000);
mask = inl(emu->port + GPIO) & ~0x101;
outl(mask, emu->port + GPIO);
} else {
/* Analog */
snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000);
mask = inl(emu->port + GPIO) | 0x101;
outl(mask, emu->port + GPIO);
}
ca0106_spdif_enable(emu);
}
return change;
}
......@@ -154,8 +214,6 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
unsigned int val;
int change = 0;
u32 mask;
u32 source;
val = ucontrol->value.enumerated.item[0] ;
if (val >= 6)
......@@ -163,9 +221,7 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
change = (emu->capture_source != val);
if (change) {
emu->capture_source = val;
source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
ca0106_set_capture_source(emu);
}
return change;
}
......@@ -200,9 +256,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
{
struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
unsigned int source_id;
unsigned int ngain, ogain;
int change = 0;
u32 source;
/* If the capture source has changed,
* update the capture volume from the cached value
* for the particular source.
......@@ -212,18 +266,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
return -EINVAL;
change = (emu->i2c_capture_source != source_id);
if (change) {
snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
ngain = emu->i2c_capture_volume[source_id][0]; /* Left */
ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
if (ngain != ogain)
snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff));
ngain = emu->i2c_capture_volume[source_id][1]; /* Left */
ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Left */
if (ngain != ogain)
snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
source = 1 << source_id;
snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
emu->i2c_capture_source = source_id;
ca0106_set_i2c_capture_source(emu, source_id, 0);
}
return change;
}
......@@ -271,7 +314,6 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
unsigned int val;
int change = 0;
u32 tmp;
val = ucontrol->value.enumerated.item[0] ;
if (val > 1)
......@@ -279,18 +321,7 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
change = (emu->capture_mic_line_in != val);
if (change) {
emu->capture_mic_line_in = val;
if (val) {
//snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
tmp = inl(emu->port+GPIO) & ~0x400;
tmp = tmp | 0x400;
outl(tmp, emu->port+GPIO);
//snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC);
} else {
//snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
tmp = inl(emu->port+GPIO) & ~0x400;
outl(tmp, emu->port+GPIO);
//snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN);
}
ca0106_set_capture_mic_line_in(emu);
}
return change;
}
......@@ -359,8 +390,8 @@ static int snd_ca0106_spdif_put(struct snd_kcontrol *kcontrol,
(ucontrol->value.iec958.status[3] << 24);
change = val != emu->spdif_bits[idx];
if (change) {
snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, val);
emu->spdif_bits[idx] = val;
ca0106_set_spdif_bits(emu, idx);
}
return change;
}
......@@ -773,3 +804,50 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
return 0;
}
#ifdef CONFIG_PM
struct ca0106_vol_tbl {
unsigned int reg;
unsigned int channel_id;
};
static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
{ CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
{ CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
{ CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },
{ CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2 },
{ CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1 },
{ CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1 },
{ CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1 },
{ CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1 },
{ 1, CAPTURE_CONTROL },
};
void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip)
{
int i;
/* save volumes */
for (i = 0; i < NUM_SAVED_VOLUMES; i++)
chip->saved_vol[i] =
snd_ca0106_ptr_read(chip, saved_volumes[i].reg,
saved_volumes[i].channel_id);
}
void snd_ca0106_mixer_resume(struct snd_ca0106 *chip)
{
int i;
for (i = 0; i < NUM_SAVED_VOLUMES; i++)
snd_ca0106_ptr_write(chip, saved_volumes[i].reg,
saved_volumes[i].channel_id,
chip->saved_vol[i]);
ca0106_spdif_enable(chip);
ca0106_set_capture_source(chip);
ca0106_set_i2c_capture_source(chip, chip->i2c_capture_source, 1);
for (i = 0; i < 4; i++)
ca0106_set_spdif_bits(chip, i);
if (chip->details->i2c_adc)
ca0106_set_capture_mic_line_in(chip);
}
#endif /* CONFIG_PM */
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