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Diffstat (limited to 'sound/soc/codecs/tas2770.c')
-rw-r--r--sound/soc/codecs/tas2770.c124
1 files changed, 59 insertions, 65 deletions
diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 172e79cbe0da..b6765235a4b3 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -38,40 +38,30 @@ static void tas2770_reset(struct tas2770_priv *tas2770)
gpiod_set_value_cansleep(tas2770->reset_gpio, 0);
msleep(20);
gpiod_set_value_cansleep(tas2770->reset_gpio, 1);
+ usleep_range(1000, 2000);
}
snd_soc_component_write(tas2770->component, TAS2770_SW_RST,
TAS2770_RST);
+ usleep_range(1000, 2000);
}
-static int tas2770_set_bias_level(struct snd_soc_component *component,
- enum snd_soc_bias_level level)
+static int tas2770_update_pwr_ctrl(struct tas2770_priv *tas2770)
{
- struct tas2770_priv *tas2770 =
- snd_soc_component_get_drvdata(component);
+ struct snd_soc_component *component = tas2770->component;
+ unsigned int val;
+ int ret;
- switch (level) {
- case SND_SOC_BIAS_ON:
- snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
- break;
- case SND_SOC_BIAS_STANDBY:
- case SND_SOC_BIAS_PREPARE:
- snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
- break;
- case SND_SOC_BIAS_OFF:
- snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_SHUTDOWN);
- break;
+ if (tas2770->dac_powered)
+ val = tas2770->unmuted ?
+ TAS2770_PWR_CTRL_ACTIVE : TAS2770_PWR_CTRL_MUTE;
+ else
+ val = TAS2770_PWR_CTRL_SHUTDOWN;
- default:
- dev_err(tas2770->dev, "wrong power level setting %d\n", level);
- return -EINVAL;
- }
+ ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
+ TAS2770_PWR_CTRL_MASK, val);
+ if (ret < 0)
+ return ret;
return 0;
}
@@ -110,10 +100,9 @@ static int tas2770_codec_resume(struct snd_soc_component *component)
if (tas2770->sdz_gpio) {
gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);
+ usleep_range(1000, 2000);
} else {
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
+ ret = tas2770_update_pwr_ctrl(tas2770);
if (ret < 0)
return ret;
}
@@ -149,24 +138,19 @@ static int tas2770_dac_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_POST_PMU:
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
+ tas2770->dac_powered = 1;
+ ret = tas2770_update_pwr_ctrl(tas2770);
break;
case SND_SOC_DAPM_PRE_PMD:
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_SHUTDOWN);
+ tas2770->dac_powered = 0;
+ ret = tas2770_update_pwr_ctrl(tas2770);
break;
default:
dev_err(tas2770->dev, "Not supported evevt\n");
return -EINVAL;
}
- if (ret < 0)
- return ret;
-
- return 0;
+ return ret;
}
static const struct snd_kcontrol_new isense_switch =
@@ -200,21 +184,11 @@ static const struct snd_soc_dapm_route tas2770_audio_map[] = {
static int tas2770_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct snd_soc_component *component = dai->component;
- int ret;
-
- if (mute)
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
- else
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
-
- if (ret < 0)
- return ret;
+ struct tas2770_priv *tas2770 =
+ snd_soc_component_get_drvdata(component);
- return 0;
+ tas2770->unmuted = !mute;
+ return tas2770_update_pwr_ctrl(tas2770);
}
static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth)
@@ -291,11 +265,11 @@ static int tas2770_set_samplerate(struct tas2770_priv *tas2770, int samplerate)
ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ |
TAS2770_TDM_CFG_REG0_31_88_2_96KHZ;
break;
- case 19200:
+ case 192000:
ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_48KHZ |
TAS2770_TDM_CFG_REG0_31_176_4_192KHZ;
break;
- case 17640:
+ case 176400:
ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ |
TAS2770_TDM_CFG_REG0_31_176_4_192KHZ;
break;
@@ -334,21 +308,27 @@ static int tas2770_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
struct snd_soc_component *component = dai->component;
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
- u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0;
+ u8 tdm_rx_start_slot = 0, invert_fpol = 0, fpol_preinv = 0, asi_cfg_1 = 0;
int ret;
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBS_CFS:
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBC_CFC:
break;
default:
- dev_err(tas2770->dev, "ASI format master is not found\n");
+ dev_err(tas2770->dev, "ASI invalid DAI clocking\n");
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_IF:
+ invert_fpol = 1;
+ fallthrough;
case SND_SOC_DAIFMT_NB_NF:
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_RSING;
break;
+ case SND_SOC_DAIFMT_IB_IF:
+ invert_fpol = 1;
+ fallthrough;
case SND_SOC_DAIFMT_IB_NF:
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_FALING;
break;
@@ -366,15 +346,19 @@ static int tas2770_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
tdm_rx_start_slot = 1;
+ fpol_preinv = 0;
break;
case SND_SOC_DAIFMT_DSP_A:
tdm_rx_start_slot = 0;
+ fpol_preinv = 1;
break;
case SND_SOC_DAIFMT_DSP_B:
tdm_rx_start_slot = 1;
+ fpol_preinv = 1;
break;
case SND_SOC_DAIFMT_LEFT_J:
tdm_rx_start_slot = 0;
+ fpol_preinv = 1;
break;
default:
dev_err(tas2770->dev,
@@ -388,6 +372,14 @@ static int tas2770_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
if (ret < 0)
return ret;
+ ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0,
+ TAS2770_TDM_CFG_REG0_FPOL_MASK,
+ (fpol_preinv ^ invert_fpol)
+ ? TAS2770_TDM_CFG_REG0_FPOL_RSING
+ : TAS2770_TDM_CFG_REG0_FPOL_FALING);
+ if (ret < 0)
+ return ret;
+
return 0;
}
@@ -486,7 +478,7 @@ static struct snd_soc_dai_driver tas2770_dai_driver[] = {
.id = 0,
.playback = {
.stream_name = "ASI1 Playback",
- .channels_min = 2,
+ .channels_min = 1,
.channels_max = 2,
.rates = TAS2770_RATES,
.formats = TAS2770_FORMATS,
@@ -503,6 +495,8 @@ static struct snd_soc_dai_driver tas2770_dai_driver[] = {
},
};
+static const struct regmap_config tas2770_i2c_regmap;
+
static int tas2770_codec_probe(struct snd_soc_component *component)
{
struct tas2770_priv *tas2770 =
@@ -510,10 +504,13 @@ static int tas2770_codec_probe(struct snd_soc_component *component)
tas2770->component = component;
- if (tas2770->sdz_gpio)
+ if (tas2770->sdz_gpio) {
gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);
+ usleep_range(1000, 2000);
+ }
tas2770_reset(tas2770);
+ regmap_reinit_cache(tas2770->regmap, &tas2770_i2c_regmap);
return 0;
}
@@ -532,7 +529,6 @@ static const struct snd_soc_component_driver soc_component_driver_tas2770 = {
.probe = tas2770_codec_probe,
.suspend = tas2770_codec_suspend,
.resume = tas2770_codec_resume,
- .set_bias_level = tas2770_set_bias_level,
.controls = tas2770_snd_controls,
.num_controls = ARRAY_SIZE(tas2770_snd_controls),
.dapm_widgets = tas2770_dapm_widgets,
@@ -541,7 +537,6 @@ static const struct snd_soc_component_driver soc_component_driver_tas2770 = {
.num_dapm_routes = ARRAY_SIZE(tas2770_audio_map),
.idle_bias_on = 1,
.endianness = 1,
- .non_legacy_dai_naming = 1,
};
static int tas2770_register_codec(struct tas2770_priv *tas2770)
@@ -667,8 +662,7 @@ static int tas2770_parse_dt(struct device *dev, struct tas2770_priv *tas2770)
return 0;
}
-static int tas2770_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int tas2770_i2c_probe(struct i2c_client *client)
{
struct tas2770_priv *tas2770;
int result;
@@ -734,7 +728,7 @@ static struct i2c_driver tas2770_i2c_driver = {
.name = "tas2770",
.of_match_table = of_match_ptr(tas2770_of_match),
},
- .probe = tas2770_i2c_probe,
+ .probe_new = tas2770_i2c_probe,
.id_table = tas2770_i2c_id,
};
module_i2c_driver(tas2770_i2c_driver);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.