static int wm9712_soc_probe(struct snd_soc_component *component)
{
struct wm9712_priv *wm9712 = snd_soc_component_get_drvdata(component);
struct regmap *regmap;
int ret;
if (wm9712->mfd_pdata) {
wm9712->ac97 = wm9712->mfd_pdata->ac97;
regmap = wm9712->mfd_pdata->regmap;
} else {
#ifdef CONFIG_SND_SOC_AC97_BUS
wm9712->ac97 = snd_soc_new_ac97_component(component, WM9712_VENDOR_ID,
WM9712_VENDOR_ID_MASK);
if (IS_ERR(wm9712->ac97)) {
ret = PTR_ERR(wm9712->ac97);
dev_err(component->dev,
"Failed to register AC97 codec: %d\n", ret);
return ret;
}
regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
if (IS_ERR(regmap)) {
snd_soc_free_ac97_component(wm9712->ac97);
return PTR_ERR(regmap);
}
#endif
}
snd_soc_component_init_regmap(component, regmap);
/* set alc mux to none */
snd_soc_component_update_bits(component, AC97_VIDEO, 0x3000, 0x3000);
return 0;
}
/**
* cs4270_set_dai_fmt - configure the codec for the selected audio format
* @codec_dai: the codec DAI
* @format: a SND_SOC_DAIFMT_x value indicating the data format
*
* This function takes a bitmask of SND_SOC_DAIFMT_x bits and programs the
* codec accordingly.
*
* Currently, this function only supports SND_SOC_DAIFMT_I2S and
* SND_SOC_DAIFMT_LEFT_J. The CS4270 codec also supports right-justified
* data for playback only, but ASoC currently does not support different
* formats for playback vs. record.
*/
static int cs4270_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int format)
{
struct snd_soc_component *component = codec_dai->component;
struct cs4270_private *cs4270 = snd_soc_component_get_drvdata(component);
/* set DAI format */
switch (format & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
case SND_SOC_DAIFMT_LEFT_J:
cs4270->mode = format & SND_SOC_DAIFMT_FORMAT_MASK;
break;
default:
dev_err(component->dev, "invalid dai format\n");
return -EINVAL;
}
/* set master/slave audio interface */
switch (format & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
cs4270->slave_mode = 1;
break;
case SND_SOC_DAIFMT_CBM_CFM:
cs4270->slave_mode = 0;
break;
default:
/* all other modes are unsupported by the hardware */
dev_err(component->dev, "Unknown master/slave configuration\n");
return -EINVAL;
}
return 0;
}
static int wm8711_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct wm8711_priv *wm8711 = snd_soc_component_get_drvdata(component);
u16 iface = snd_soc_component_read32(component, WM8711_IFACE) & 0xfff3;
int i = get_coeff(wm8711->sysclk, params_rate(params));
u16 srate = (coeff_div[i].sr << 2) |
(coeff_div[i].bosr << 1) | coeff_div[i].usb;
snd_soc_component_write(component, WM8711_SRATE, srate);
/* bit size */
switch (params_width(params)) {
case 16:
break;
case 20:
iface |= 0x0004;
break;
case 24:
iface |= 0x0008;
break;
}
snd_soc_component_write(component, WM8711_IFACE, iface);
return 0;
}
static void mc13783_remove(struct snd_soc_component *component)
{
struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
/* Make sure VAUDIOON is off */
mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
}
static int tas571x_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
u32 val;
switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_RIGHT_J:
val = 0x00;
break;
case SND_SOC_DAIFMT_I2S:
val = 0x03;
break;
case SND_SOC_DAIFMT_LEFT_J:
val = 0x06;
break;
default:
return -EINVAL;
}
if (params_width(params) >= 24)
val += 2;
else if (params_width(params) >= 20)
val += 1;
return regmap_update_bits(priv->regmap, TAS571X_SDI_REG,
TAS571X_SDI_FMT_MASK, val);
}
static int cs35l33_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct cs35l33_private *priv = snd_soc_component_get_drvdata(component);
int sample_size = params_width(params);
int coeff = cs35l33_get_mclk_coeff(priv->mclk_int, params_rate(params));
if (coeff < 0)
return coeff;
regmap_update_bits(priv->regmap, CS35L33_CLK_CTL,
CS35L33_ADSP_FS | CS35L33_INT_FS_RATE,
cs35l33_mclk_coeffs[coeff].int_fs_ratio
| cs35l33_mclk_coeffs[coeff].adsp_rate);
if (priv->is_tdm_mode) {
sample_size = (sample_size / 8) - 1;
if (sample_size > 2)
sample_size = 2;
regmap_update_bits(priv->regmap, CS35L33_RX_AUD,
CS35L33_AUDIN_RX_DEPTH,
sample_size << CS35L33_AUDIN_RX_DEPTH_SHIFT);
}
dev_dbg(component->dev, "sample rate=%d, bits per sample=%d\n",
params_rate(params), params_width(params));
return 0;
}
static int cs35l33_set_bst_ipk(struct snd_soc_component *component, unsigned int bst)
{
struct cs35l33_private *cs35l33 = snd_soc_component_get_drvdata(component);
int ret = 0, steps = 0;
/* Boost current in uA */
if (bst > 3600000 || bst < 1850000) {
dev_err(component->dev, "Invalid boost current %d\n", bst);
ret = -EINVAL;
goto err;
}
if (bst % 15625) {
dev_err(component->dev, "Current not a multiple of 15625uA (%d)\n",
bst);
ret = -EINVAL;
goto err;
}
while (bst > 1850000) {
bst -= 15625;
steps++;
}
regmap_write(cs35l33->regmap, CS35L33_BST_PEAK_CTL,
steps+0x70);
err:
return ret;
}
static int ak5558_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct ak5558_priv *ak5558 = snd_soc_component_get_drvdata(component);
u8 bits;
int pcm_width = max(params_physical_width(params), ak5558->slot_width);
/* set master/slave audio interface */
bits = snd_soc_component_read32(component, AK5558_02_CONTROL1);
bits &= ~AK5558_BITS;
switch (pcm_width) {
case 16:
bits |= AK5558_DIF_24BIT_MODE;
break;
case 32:
bits |= AK5558_DIF_32BIT_MODE;
break;
default:
return -EINVAL;
}
snd_soc_component_update_bits(component, AK5558_02_CONTROL1, AK5558_BITS, bits);
return 0;
}
static int ak5558_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
unsigned int rx_mask, int slots,
int slot_width)
{
struct snd_soc_component *component = dai->component;
struct ak5558_priv *ak5558 = snd_soc_component_get_drvdata(component);
int tdm_mode;
ak5558->slots = slots;
ak5558->slot_width = slot_width;
switch (slots * slot_width) {
case 128:
tdm_mode = AK5558_MODE_TDM128;
break;
case 256:
tdm_mode = AK5558_MODE_TDM256;
break;
case 512:
tdm_mode = AK5558_MODE_TDM512;
break;
default:
tdm_mode = AK5558_MODE_NORMAL;
break;
}
snd_soc_component_update_bits(component, AK5558_03_CONTROL2, AK5558_MODE_BITS,
tdm_mode);
return 0;
}
static int uda134x_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_component *component = codec_dai->component;
struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component);
pr_debug("%s fmt: %08X\n", __func__, fmt);
/* codec supports only full slave mode */
if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) {
printk(KERN_ERR "%s unsupported slave mode\n", __func__);
return -EINVAL;
}
/* no support for clock inversion */
if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) {
printk(KERN_ERR "%s unsupported clock inversion\n", __func__);
return -EINVAL;
}
/* We can't setup DAI format here as it depends on the word bit num */
/* so let's just store the value for later */
uda134x->dai_fmt = fmt;
return 0;
}
static int uda134x_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component);
struct uda134x_platform_data *pd = uda134x->pd;
pr_debug("%s bias level %d\n", __func__, level);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* power on */
if (pd->power) {
pd->power(1);
regcache_sync(uda134x->regmap);
}
break;
case SND_SOC_BIAS_STANDBY:
break;
case SND_SOC_BIAS_OFF:
/* power off */
if (pd->power) {
pd->power(0);
regcache_mark_dirty(uda134x->regmap);
}
break;
}
return 0;
}
static int uda134x_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component);
struct snd_pcm_runtime *master_runtime;
if (uda134x->master_substream) {
master_runtime = uda134x->master_substream->runtime;
pr_debug("%s constraining to %d bits at %d\n", __func__,
master_runtime->sample_bits,
master_runtime->rate);
snd_pcm_hw_constraint_single(substream->runtime,
SNDRV_PCM_HW_PARAM_RATE,
master_runtime->rate);
snd_pcm_hw_constraint_single(substream->runtime,
SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
master_runtime->sample_bits);
uda134x->slave_substream = substream;
} else
uda134x->master_substream = substream;
return 0;
}
static snd_pcm_uframes_t mtk_afe_pcm_pointer
(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
const struct mtk_base_memif_data *memif_data = memif->data;
struct regmap *regmap = afe->regmap;
struct device *dev = afe->dev;
int reg_ofs_base = memif_data->reg_ofs_base;
int reg_ofs_cur = memif_data->reg_ofs_cur;
unsigned int hw_ptr = 0, hw_base = 0;
int ret, pcm_ptr_bytes;
ret = regmap_read(regmap, reg_ofs_cur, &hw_ptr);
if (ret || hw_ptr == 0) {
dev_err(dev, "%s hw_ptr err\n", __func__);
pcm_ptr_bytes = 0;
goto POINTER_RETURN_FRAMES;
}
ret = regmap_read(regmap, reg_ofs_base, &hw_base);
if (ret || hw_base == 0) {
dev_err(dev, "%s hw_ptr err\n", __func__);
pcm_ptr_bytes = 0;
goto POINTER_RETURN_FRAMES;
}
pcm_ptr_bytes = hw_ptr - hw_base;
POINTER_RETURN_FRAMES:
return bytes_to_frames(substream->runtime, pcm_ptr_bytes);
}
static int sta529_set_bias_level(struct snd_soc_component *component, enum
snd_soc_bias_level level)
{
struct sta529 *sta529 = snd_soc_component_get_drvdata(component);
switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
snd_soc_component_update_bits(component, STA529_FFXCFG0, POWER_CNTLMSAK,
POWER_UP);
snd_soc_component_update_bits(component, STA529_MISC, FFX_CLK_MSK,
FFX_CLK_ENB);
break;
case SND_SOC_BIAS_STANDBY:
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
regcache_sync(sta529->regmap);
snd_soc_component_update_bits(component, STA529_FFXCFG0,
POWER_CNTLMSAK, POWER_STDBY);
/* Making FFX output to zero */
snd_soc_component_update_bits(component, STA529_FFXCFG0, FFX_MASK,
FFX_OFF);
snd_soc_component_update_bits(component, STA529_MISC, FFX_CLK_MSK,
FFX_CLK_DIS);
break;
case SND_SOC_BIAS_OFF:
break;
}
return 0;
}
static int cs35l33_spkrdrv_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct cs35l33_private *priv = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
if (!priv->amp_cal) {
usleep_range(8000, 9000);
priv->amp_cal = true;
regmap_update_bits(priv->regmap, CS35L33_CLASSD_CTL,
CS35L33_AMP_CAL, 0);
dev_dbg(component->dev, "Amp calibration done\n");
}
dev_dbg(component->dev, "Amp turned on\n");
break;
case SND_SOC_DAPM_POST_PMD:
dev_dbg(component->dev, "Amp turned off\n");
break;
default:
dev_err(component->dev, "Invalid event = 0x%x\n", event);
break;
}
return 0;
}
static int ak5558_probe(struct snd_soc_component *component)
{
struct ak5558_priv *ak5558 = snd_soc_component_get_drvdata(component);
ak5558_power_on(ak5558);
return ak5558_set_mcki(component);
}
static int cs35l33_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
unsigned int val;
struct cs35l33_private *priv = snd_soc_component_get_drvdata(component);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
regmap_update_bits(priv->regmap, CS35L33_PWRCTL1,
CS35L33_PDN_ALL, 0);
regmap_update_bits(priv->regmap, CS35L33_CLK_CTL,
CS35L33_MCLKDIS, 0);
break;
case SND_SOC_BIAS_STANDBY:
regmap_update_bits(priv->regmap, CS35L33_PWRCTL1,
CS35L33_PDN_ALL, CS35L33_PDN_ALL);
regmap_read(priv->regmap, CS35L33_INT_STATUS_2, &val);
usleep_range(1000, 1100);
if (val & CS35L33_PDN_DONE)
regmap_update_bits(priv->regmap, CS35L33_CLK_CTL,
CS35L33_MCLKDIS, CS35L33_MCLKDIS);
break;
case SND_SOC_BIAS_OFF:
break;
default:
return -EINVAL;
}
return 0;
}
static int wm8728_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct wm8728_priv *wm8728 = snd_soc_component_get_drvdata(component);
u16 reg;
switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
case SND_SOC_BIAS_STANDBY:
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
/* Power everything up... */
reg = snd_soc_component_read32(component, WM8728_DACCTL);
snd_soc_component_write(component, WM8728_DACCTL, reg & ~0x4);
/* ..then sync in the register cache. */
regcache_sync(wm8728->regmap);
}
break;
case SND_SOC_BIAS_OFF:
reg = snd_soc_component_read32(component, WM8728_DACCTL);
snd_soc_component_write(component, WM8728_DACCTL, reg | 0x4);
break;
}
return 0;
}
static int cs35l33_component_set_sysclk(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq, int dir)
{
struct cs35l33_private *cs35l33 = snd_soc_component_get_drvdata(component);
switch (freq) {
case CS35L33_MCLK_5644:
case CS35L33_MCLK_6:
case CS35L33_MCLK_6144:
regmap_update_bits(cs35l33->regmap, CS35L33_CLK_CTL,
CS35L33_MCLKDIV2, 0);
cs35l33->mclk_int = freq;
break;
case CS35L33_MCLK_11289:
case CS35L33_MCLK_12:
case CS35L33_MCLK_12288:
regmap_update_bits(cs35l33->regmap, CS35L33_CLK_CTL,
CS35L33_MCLKDIV2, CS35L33_MCLKDIV2);
cs35l33->mclk_int = freq/2;
break;
default:
cs35l33->mclk_int = 0;
return -EINVAL;
}
dev_dbg(component->dev, "external mclk freq=%d, internal mclk freq=%d\n",
freq, cs35l33->mclk_int);
return 0;
}
static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
struct adau *adau = snd_soc_component_get_drvdata(component);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int stream = e->shift_l;
unsigned int reg, val;
int ret;
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = ADAU17X1_SERIAL_INPUT_ROUTE;
else
reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
ret = regmap_read(adau->regmap, reg, &val);
if (ret)
return ret;
if (val != 0)
val = 1;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
static int mc13783_probe(struct snd_soc_component *component)
{
struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
snd_soc_component_init_regmap(component,
dev_get_regmap(component->dev->parent, NULL));
/* these are the reset values */
mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
if (priv->adc_ssi_port == MC13783_SSI1_PORT)
mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
AUDIO_SSI_SEL, 0);
else
mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
AUDIO_SSI_SEL, AUDIO_SSI_SEL);
if (priv->dac_ssi_port == MC13783_SSI1_PORT)
mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
AUDIO_SSI_SEL, 0);
else
mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
AUDIO_SSI_SEL, AUDIO_SSI_SEL);
return 0;
}
static int adau17x1_pll_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct adau *adau = snd_soc_component_get_drvdata(component);
if (SND_SOC_DAPM_EVENT_ON(event)) {
adau->pll_regs[5] = 1;
} else {
adau->pll_regs[5] = 0;
/* Bypass the PLL when disabled, otherwise registers will become
* inaccessible. */
regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0);
}
/* The PLL register is 6 bytes long and can only be written at once. */
regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
if (SND_SOC_DAPM_EVENT_ON(event)) {
mdelay(5);
regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL,
ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL);
}
return 0;
}
static int sst_byt_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
struct sst_byt *byt = pdata->byt;
dev_dbg(rtd->dev, "PCM: open\n");
mutex_lock(&pcm_data->mutex);
pcm_data->substream = substream;
snd_soc_set_runtime_hwparams(substream, &sst_byt_pcm_hardware);
pcm_data->stream = sst_byt_stream_new(byt, substream->stream + 1,
byt_notify_pointer, pcm_data);
if (pcm_data->stream == NULL) {
dev_err(rtd->dev, "failed to create stream\n");
mutex_unlock(&pcm_data->mutex);
return -EINVAL;
}
mutex_unlock(&pcm_data->mutex);
return 0;
}
int adau17x1_add_widgets(struct snd_soc_component *component)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct adau *adau = snd_soc_component_get_drvdata(component);
int ret;
ret = snd_soc_add_component_controls(component, adau17x1_controls,
ARRAY_SIZE(adau17x1_controls));
if (ret)
return ret;
ret = snd_soc_dapm_new_controls(dapm, adau17x1_dapm_widgets,
ARRAY_SIZE(adau17x1_dapm_widgets));
if (ret)
return ret;
if (adau17x1_has_dsp(adau)) {
ret = snd_soc_dapm_new_controls(dapm, adau17x1_dsp_dapm_widgets,
ARRAY_SIZE(adau17x1_dsp_dapm_widgets));
if (ret)
return ret;
if (!adau->sigmadsp)
return 0;
ret = sigmadsp_attach(adau->sigmadsp, component);
if (ret) {
dev_err(component->dev, "Failed to attach firmware: %d\n",
ret);
return ret;
}
}
return 0;
}
static int tas571x_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct tas571x_private *priv = snd_soc_component_get_drvdata(component);
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
if (!IS_ERR(priv->mclk)) {
ret = clk_prepare_enable(priv->mclk);
if (ret) {
dev_err(component->dev,
"Failed to enable master clock: %d\n",
ret);
return ret;
}
}
}
break;
case SND_SOC_BIAS_OFF:
if (!IS_ERR(priv->mclk))
clk_disable_unprepare(priv->mclk);
break;
}
return 0;
}
static int ad1980_reset(struct snd_soc_component *component, int try_warm)
{
struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
unsigned int retry_cnt = 0;
int ret;
do {
ret = snd_ac97_reset(ac97, true, AD1980_VENDOR_ID,
AD1980_VENDOR_MASK);
if (ret >= 0)
return 0;
/*
* Set bit 16slot in register 74h, then every slot will has only
* 16 bits. This command is sent out in 20bit mode, in which
* case the first nibble of data is eaten by the addr. (Tag is
* always 16 bit)
*/
snd_soc_component_write(component, AC97_AD_SERIAL_CFG, 0x9900);
} while (retry_cnt++ < 10);
dev_err(component->dev, "Failed to reset: AC97 link error\n");
return -EIO;
}
/**
* cs4270_probe - ASoC probe function
* @pdev: platform device
*
* This function is called when ASoC has all the pieces it needs to
* instantiate a sound driver.
*/
static int cs4270_probe(struct snd_soc_component *component)
{
struct cs4270_private *cs4270 = snd_soc_component_get_drvdata(component);
int ret;
/* Disable auto-mute. This feature appears to be buggy. In some
* situations, auto-mute will not deactivate when it should, so we want
* this feature disabled by default. An application (e.g. alsactl) can
* re-enabled it by using the controls.
*/
ret = snd_soc_component_update_bits(component, CS4270_MUTE, CS4270_MUTE_AUTO, 0);
if (ret < 0) {
dev_err(component->dev, "i2c write failed\n");
return ret;
}
/* Disable automatic volume control. The hardware enables, and it
* causes volume change commands to be delayed, sometimes until after
* playback has started. An application (e.g. alsactl) can
* re-enabled it by using the controls.
*/
ret = snd_soc_component_update_bits(component, CS4270_TRANS,
CS4270_TRANS_SOFT | CS4270_TRANS_ZERO, 0);
if (ret < 0) {
dev_err(component->dev, "i2c write failed\n");
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(cs4270->supplies),
cs4270->supplies);
return ret;
}
static void ad1980_soc_remove(struct snd_soc_component *component)
{
struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
snd_soc_component_exit_regmap(component);
snd_soc_free_ac97_component(ac97);
}
static int wm8711_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct wm8711_priv *wm8711 = snd_soc_component_get_drvdata(component);
u16 reg = snd_soc_component_read32(component, WM8711_PWR) & 0xff7f;
switch (level) {
case SND_SOC_BIAS_ON:
snd_soc_component_write(component, WM8711_PWR, reg);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
regcache_sync(wm8711->regmap);
snd_soc_component_write(component, WM8711_PWR, reg | 0x0040);
break;
case SND_SOC_BIAS_OFF:
snd_soc_component_write(component, WM8711_ACTIVE, 0x0);
snd_soc_component_write(component, WM8711_PWR, 0xffff);
break;
}
return 0;
}
static int mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_dapm_widget *w = sink;
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mtk_afe_i2s_priv *i2s_priv;
i2s_priv = get_i2s_priv_by_name(afe, sink->name);
if (!i2s_priv) {
dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
return 0;
}
if (get_i2s_id_by_name(afe, sink->name) ==
get_i2s_id_by_name(afe, source->name))
return (i2s_priv->mclk_rate > 0) ? 1 : 0;
/* check if share i2s need mclk */
if (i2s_priv->share_i2s_id < 0)
return 0;
if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
return (i2s_priv->mclk_rate > 0) ? 1 : 0;
return 0;
}
