static int pcm3008_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
struct pcm3008_setup_data *setup = socdev->codec_data;
int ret = 0;
printk(KERN_INFO "PCM3008 SoC Audio Codec %s\n", PCM3008_VERSION);
socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (!socdev->card->codec)
return -ENOMEM;
codec = socdev->card->codec;
mutex_init(&codec->mutex);
codec->name = "PCM3008";
codec->owner = THIS_MODULE;
codec->dai = &pcm3008_dai;
codec->num_dai = 1;
codec->write = NULL;
codec->read = NULL;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
/* Register PCMs. */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "pcm3008: failed to create pcms\n");
goto pcm_err;
}
/* Register Card. */
ret = snd_soc_init_card(socdev);
if (ret < 0) {
printk(KERN_ERR "pcm3008: failed to register card\n");
goto card_err;
}
/* DEM1 DEM0 DE-EMPHASIS_MODE
* Low Low De-emphasis 44.1 kHz ON
* Low High De-emphasis OFF
* High Low De-emphasis 48 kHz ON
* High High De-emphasis 32 kHz ON
*/
/* Configure DEM0 GPIO (turning OFF DAC De-emphasis). */
ret = gpio_request(setup->dem0_pin, "codec_dem0");
if (ret == 0)
ret = gpio_direction_output(setup->dem0_pin, 1);
if (ret != 0)
goto gpio_err;
/* Configure DEM1 GPIO (turning OFF DAC De-emphasis). */
ret = gpio_request(setup->dem1_pin, "codec_dem1");
if (ret == 0)
ret = gpio_direction_output(setup->dem1_pin, 0);
if (ret != 0)
goto gpio_err;
/* Configure PDAD GPIO. */
ret = gpio_request(setup->pdad_pin, "codec_pdad");
if (ret == 0)
ret = gpio_direction_output(setup->pdad_pin, 1);
if (ret != 0)
goto gpio_err;
/* Configure PDDA GPIO. */
ret = gpio_request(setup->pdda_pin, "codec_pdda");
if (ret == 0)
ret = gpio_direction_output(setup->pdda_pin, 1);
if (ret != 0)
goto gpio_err;
return ret;
gpio_err:
pcm3008_gpio_free(setup);
card_err:
snd_soc_free_pcms(socdev);
pcm_err:
kfree(socdev->card->codec);
return ret;
}
static int ak4104_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
snd_soc_free_pcms(socdev);
return 0;
};
static int wm8350_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
struct wm8350 *wm8350;
struct wm8350_data *priv;
int ret;
struct wm8350_output *out1;
struct wm8350_output *out2;
BUG_ON(!wm8350_codec);
socdev->codec = wm8350_codec;
codec = socdev->codec;
wm8350 = codec->control_data;
priv = codec->private_data;
/* Enable the codec */
wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
/* Enable robust clocking mode in ADC */
wm8350_codec_write(codec, WM8350_SECURITY, 0xa7);
wm8350_codec_write(codec, 0xde, 0x13);
wm8350_codec_write(codec, WM8350_SECURITY, 0);
/* read OUT1 & OUT2 volumes */
out1 = &priv->out1;
out2 = &priv->out2;
out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &
WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &
WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &
WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &
WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0);
wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0);
wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0);
wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0);
/* Latch VU bits & mute */
wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME,
WM8350_OUT1_VU | WM8350_OUT1L_MUTE);
wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME,
WM8350_OUT2_VU | WM8350_OUT2L_MUTE);
wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME,
WM8350_OUT1_VU | WM8350_OUT1R_MUTE);
wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
wm8350_hp_jack_handler, priv);
wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
wm8350_hp_jack_handler, priv);
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
dev_err(&pdev->dev, "failed to create pcms\n");
return ret;
}
snd_soc_add_controls(codec, wm8350_snd_controls,
ARRAY_SIZE(wm8350_snd_controls));
wm8350_add_widgets(codec);
wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
ret = snd_soc_init_card(socdev);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register card\n");
goto card_err;
}
return 0;
card_err:
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
return ret;
}
static int uda134x_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
struct uda134x_priv *uda134x;
void *codec_setup_data = socdev->codec_data;
int ret = -ENOMEM;
struct uda134x_platform_data *pd;
printk(KERN_INFO "UDA134X SoC Audio Codec\n");
if (!codec_setup_data) {
printk(KERN_ERR "UDA134X SoC codec: "
"missing L3 bitbang function\n");
return -ENODEV;
}
pd = codec_setup_data;
switch (pd->model) {
case UDA134X_UDA1340:
case UDA134X_UDA1341:
case UDA134X_UDA1344:
break;
default:
printk(KERN_ERR "UDA134X SoC codec: "
"unsupported model %d\n",
pd->model);
return -EINVAL;
}
socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (socdev->card->codec == NULL)
return ret;
codec = socdev->card->codec;
uda134x = kzalloc(sizeof(struct uda134x_priv), GFP_KERNEL);
if (uda134x == NULL)
goto priv_err;
codec->private_data = uda134x;
codec->reg_cache = kmemdup(uda134x_reg, sizeof(uda134x_reg),
GFP_KERNEL);
if (codec->reg_cache == NULL)
goto reg_err;
mutex_init(&codec->mutex);
codec->reg_cache_size = sizeof(uda134x_reg);
codec->reg_cache_step = 1;
codec->name = "UDA134X";
codec->owner = THIS_MODULE;
codec->dai = &uda134x_dai;
codec->num_dai = 1;
codec->read = uda134x_read_reg_cache;
codec->write = uda134x_write;
#ifdef POWER_OFF_ON_STANDBY
codec->set_bias_level = uda134x_set_bias_level;
#endif
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
codec->control_data = codec_setup_data;
if (pd->power)
pd->power(1);
uda134x_reset(codec);
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "UDA134X: failed to register pcms\n");
goto pcm_err;
}
switch (pd->model) {
case UDA134X_UDA1340:
case UDA134X_UDA1344:
ret = snd_soc_add_controls(codec, uda1340_snd_controls,
ARRAY_SIZE(uda1340_snd_controls));
break;
case UDA134X_UDA1341:
ret = snd_soc_add_controls(codec, uda1341_snd_controls,
ARRAY_SIZE(uda1341_snd_controls));
break;
default:
printk(KERN_ERR "%s unkown codec type: %d",
__func__, pd->model);
return -EINVAL;
}
if (ret < 0) {
printk(KERN_ERR "UDA134X: failed to register controls\n");
goto pcm_err;
}
ret = snd_soc_init_card(socdev);
if (ret < 0) {
printk(KERN_ERR "UDA134X: failed to register card\n");
goto card_err;
}
return 0;
card_err:
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
pcm_err:
kfree(codec->reg_cache);
reg_err:
kfree(codec->private_data);
priv_err:
kfree(codec);
return ret;
}
/*
* ASoC probe function
*
* This function is called when the machine driver calls
* platform_device_add().
*/
static int cs4270_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
int ret = 0;
printk(KERN_INFO "CS4270 ALSA SoC Codec\n");
/* Allocate enough space for the snd_soc_codec structure
and our private data together. */
codec = kzalloc(ALIGN(sizeof(struct snd_soc_codec), 4) +
sizeof(struct cs4270_private), GFP_KERNEL);
if (!codec) {
printk(KERN_ERR "cs4270: Could not allocate codec structure\n");
return -ENOMEM;
}
mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
codec->name = "CS4270";
codec->owner = THIS_MODULE;
codec->dai = &cs4270_dai;
codec->num_dai = 1;
codec->private_data = (void *) codec +
ALIGN(sizeof(struct snd_soc_codec), 4);
socdev->codec = codec;
/* Register PCMs */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "cs4270: failed to create PCMs\n");
return ret;
}
#ifdef USE_I2C
cs4270_socdev = socdev;
ret = i2c_add_driver(&cs4270_i2c_driver);
if (ret) {
printk(KERN_ERR "cs4270: failed to attach driver");
snd_soc_free_pcms(socdev);
return ret;
}
/* Did we find a CS4270 on the I2C bus? */
if (codec->control_data) {
/* Initialize codec ops */
cs4270_dai.ops.hw_params = cs4270_hw_params;
cs4270_dai.dai_ops.set_sysclk = cs4270_set_dai_sysclk;
cs4270_dai.dai_ops.set_fmt = cs4270_set_dai_fmt;
#ifdef CONFIG_SND_SOC_CS4270_HWMUTE
cs4270_dai.dai_ops.digital_mute = cs4270_mute;
#endif
} else
printk(KERN_INFO "cs4270: no I2C device found, "
"using stand-alone mode\n");
#else
printk(KERN_INFO "cs4270: I2C disabled, using stand-alone mode\n");
#endif
ret = snd_soc_register_card(socdev);
if (ret < 0) {
printk(KERN_ERR "cs4270: failed to register card\n");
snd_soc_free_pcms(socdev);
return ret;
}
return ret;
}
static int ad1980_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
int ret = 0;
u16 vendor_id2;
u16 ext_status;
printk(KERN_INFO "AD1980 SoC Audio Codec\n");
socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (socdev->card->codec == NULL)
return -ENOMEM;
codec = socdev->card->codec;
mutex_init(&codec->mutex);
codec->reg_cache =
kzalloc(sizeof(u16) * ARRAY_SIZE(ad1980_reg), GFP_KERNEL);
if (codec->reg_cache == NULL) {
ret = -ENOMEM;
goto cache_err;
}
memcpy(codec->reg_cache, ad1980_reg, sizeof(u16) * \
ARRAY_SIZE(ad1980_reg));
codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(ad1980_reg);
codec->reg_cache_step = 2;
codec->name = "AD1980";
codec->owner = THIS_MODULE;
codec->dai = &ad1980_dai;
codec->num_dai = 1;
codec->write = ac97_write;
codec->read = ac97_read;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
if (ret < 0) {
printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
goto codec_err;
}
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0)
goto pcm_err;
ret = ad1980_reset(codec, 0);
if (ret < 0) {
printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n");
goto reset_err;
}
/* Read out vendor ID to make sure it is ad1980 */
if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144)
goto reset_err;
vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);
if (vendor_id2 != 0x5370) {
if (vendor_id2 != 0x5374)
goto reset_err;
else
printk(KERN_WARNING "ad1980: "
"Found AD1981 - only 2/2 IN/OUT Channels "
"supported\n");
}
/* unmute captures and playbacks volume */
ac97_write(codec, AC97_MASTER, 0x0000);
ac97_write(codec, AC97_PCM, 0x0000);
ac97_write(codec, AC97_REC_GAIN, 0x0000);
ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000);
ac97_write(codec, AC97_SURROUND_MASTER, 0x0000);
/*power on LFE/CENTER/Surround DACs*/
ext_status = ac97_read(codec, AC97_EXTENDED_STATUS);
ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800);
snd_soc_add_controls(codec, ad1980_snd_ac97_controls,
ARRAY_SIZE(ad1980_snd_ac97_controls));
return 0;
reset_err:
snd_soc_free_pcms(socdev);
pcm_err:
snd_soc_free_ac97_codec(codec);
codec_err:
kfree(codec->reg_cache);
cache_err:
kfree(socdev->card->codec);
socdev->card->codec = NULL;
return ret;
}
