diff options
Diffstat (limited to 'sound/soc/codecs/tas2764.c')
| -rw-r--r-- | sound/soc/codecs/tas2764.c | 123 |
1 files changed, 89 insertions, 34 deletions
diff --git a/sound/soc/codecs/tas2764.c b/sound/soc/codecs/tas2764.c index d482cd194c08..08aa7ee34256 100644 --- a/sound/soc/codecs/tas2764.c +++ b/sound/soc/codecs/tas2764.c @@ -14,6 +14,7 @@ #include <linux/regulator/consumer.h> #include <linux/regmap.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/slab.h> #include <sound/soc.h> #include <sound/pcm.h> @@ -23,6 +24,11 @@ #include "tas2764.h" +enum tas2764_devid { + DEVID_TAS2764 = 0, + DEVID_SN012776 = 1 +}; + struct tas2764_priv { struct snd_soc_component *component; struct gpio_desc *reset_gpio; @@ -30,7 +36,8 @@ struct tas2764_priv { struct regmap *regmap; struct device *dev; int irq; - + enum tas2764_devid devid; + int v_sense_slot; int i_sense_slot; @@ -142,6 +149,8 @@ static int tas2764_codec_suspend(struct snd_soc_component *component) regcache_cache_only(tas2764->regmap, true); regcache_mark_dirty(tas2764->regmap); + usleep_range(6000, 7000); + return 0; } @@ -180,33 +189,6 @@ static SOC_ENUM_SINGLE_DECL( static const struct snd_kcontrol_new tas2764_asi1_mux = SOC_DAPM_ENUM("ASI1 Source", tas2764_ASI1_src_enum); -static int tas2764_dac_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 tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int ret; - - switch (event) { - case SND_SOC_DAPM_POST_PMU: - tas2764->dac_powered = true; - ret = tas2764_update_pwr_ctrl(tas2764); - break; - case SND_SOC_DAPM_PRE_PMD: - tas2764->dac_powered = false; - ret = tas2764_update_pwr_ctrl(tas2764); - break; - default: - dev_err(tas2764->dev, "Unsupported event\n"); - return -EINVAL; - } - - if (ret < 0) - return ret; - - return 0; -} - static const struct snd_kcontrol_new isense_switch = SOC_DAPM_SINGLE("Switch", TAS2764_PWR_CTRL, TAS2764_ISENSE_POWER_EN, 1, 1); static const struct snd_kcontrol_new vsense_switch = @@ -219,8 +201,7 @@ static const struct snd_soc_dapm_widget tas2764_dapm_widgets[] = { 1, &isense_switch), SND_SOC_DAPM_SWITCH("VSENSE", TAS2764_PWR_CTRL, TAS2764_VSENSE_POWER_EN, 1, &vsense_switch), - SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2764_dac_event, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_OUTPUT("OUT"), SND_SOC_DAPM_SIGGEN("VMON"), SND_SOC_DAPM_SIGGEN("IMON") @@ -241,9 +222,34 @@ static int tas2764_mute(struct snd_soc_dai *dai, int mute, int direction) { struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(dai->component); + int ret; + + if (!mute) { + tas2764->dac_powered = true; + ret = tas2764_update_pwr_ctrl(tas2764); + if (ret) + return ret; + } tas2764->unmuted = !mute; - return tas2764_update_pwr_ctrl(tas2764); + ret = tas2764_update_pwr_ctrl(tas2764); + if (ret) + return ret; + + if (mute) { + /* Wait for ramp-down */ + usleep_range(6000, 7000); + + tas2764->dac_powered = false; + ret = tas2764_update_pwr_ctrl(tas2764); + if (ret) + return ret; + + /* Wait a bit after shutdown */ + usleep_range(2000, 3000); + } + + return 0; } static int tas2764_set_bitwidth(struct tas2764_priv *tas2764, int bitwidth) @@ -365,7 +371,7 @@ static int tas2764_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_component *component = dai->component; struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - u8 tdm_rx_start_slot = 0, asi_cfg_0 = 0, asi_cfg_1 = 0; + u8 tdm_rx_start_slot = 0, asi_cfg_0 = 0, asi_cfg_1 = 0, asi_cfg_4 = 0; int ret; switch (fmt & SND_SOC_DAIFMT_INV_MASK) { @@ -374,12 +380,14 @@ static int tas2764_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) fallthrough; case SND_SOC_DAIFMT_NB_NF: asi_cfg_1 = TAS2764_TDM_CFG1_RX_RISING; + asi_cfg_4 = TAS2764_TDM_CFG4_TX_FALLING; break; case SND_SOC_DAIFMT_IB_IF: asi_cfg_0 ^= TAS2764_TDM_CFG0_FRAME_START; fallthrough; case SND_SOC_DAIFMT_IB_NF: asi_cfg_1 = TAS2764_TDM_CFG1_RX_FALLING; + asi_cfg_4 = TAS2764_TDM_CFG4_TX_RISING; break; } @@ -389,6 +397,12 @@ static int tas2764_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) if (ret < 0) return ret; + ret = snd_soc_component_update_bits(component, TAS2764_TDM_CFG4, + TAS2764_TDM_CFG4_TX_MASK, + asi_cfg_4); + if (ret < 0) + return ret; + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: asi_cfg_0 ^= TAS2764_TDM_CFG0_FRAME_START; @@ -526,10 +540,16 @@ static struct snd_soc_dai_driver tas2764_dai_driver[] = { }, }; +static uint8_t sn012776_bop_presets[] = { + 0x01, 0x32, 0x02, 0x22, 0x83, 0x2d, 0x80, 0x02, 0x06, + 0x32, 0x46, 0x30, 0x02, 0x06, 0x38, 0x40, 0x30, 0x02, + 0x06, 0x3e, 0x37, 0x30, 0xff, 0xe6 +}; + static int tas2764_codec_probe(struct snd_soc_component *component) { struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); - int ret; + int ret, i; tas2764->component = component; @@ -578,6 +598,27 @@ static int tas2764_codec_probe(struct snd_soc_component *component) if (ret < 0) return ret; + switch (tas2764->devid) { + case DEVID_SN012776: + ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, + TAS2764_PWR_CTRL_BOP_SRC, + TAS2764_PWR_CTRL_BOP_SRC); + if (ret < 0) + return ret; + + for (i = 0; i < ARRAY_SIZE(sn012776_bop_presets); i++) { + ret = snd_soc_component_write(component, + TAS2764_BOP_CFG0 + i, + sn012776_bop_presets[i]); + + if (ret < 0) + return ret; + } + break; + default: + break; + } + return 0; } @@ -593,12 +634,21 @@ static SOC_ENUM_SINGLE_DECL( tas2764_hpf_enum, TAS2764_DC_BLK0, TAS2764_DC_BLK0_HPF_FREQ_PB_SHIFT, tas2764_hpf_texts); +static const char * const tas2764_oce_texts[] = { + "Disable", "Retry", +}; + +static SOC_ENUM_SINGLE_DECL( + tas2764_oce_enum, TAS2764_MISC_CFG1, + TAS2764_MISC_CFG1_OCE_RETRY_SHIFT, tas2764_oce_texts); + static const struct snd_kcontrol_new tas2764_snd_controls[] = { SOC_SINGLE_TLV("Speaker Volume", TAS2764_DVC, 0, TAS2764_DVC_MAX, 1, tas2764_playback_volume), SOC_SINGLE_TLV("Amp Gain Volume", TAS2764_CHNL_0, 1, 0x14, 0, tas2764_digital_tlv), SOC_ENUM("HPF Corner Frequency", tas2764_hpf_enum), + SOC_ENUM("OCE Handling", tas2764_oce_enum), }; static const struct snd_soc_component_driver soc_component_driver_tas2764 = { @@ -626,6 +676,7 @@ static const struct reg_default tas2764_reg_defaults[] = { { TAS2764_TDM_CFG2, 0x0a }, { TAS2764_TDM_CFG3, 0x10 }, { TAS2764_TDM_CFG5, 0x42 }, + { TAS2764_INT_CLK_CFG, 0x19 }, }; static const struct regmap_range_cfg tas2764_regmap_ranges[] = { @@ -643,6 +694,7 @@ static const struct regmap_range_cfg tas2764_regmap_ranges[] = { static bool tas2764_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { + case TAS2764_SW_RST: case TAS2764_INT_LTCH0 ... TAS2764_INT_LTCH4: case TAS2764_INT_CLK_CFG: return true; @@ -707,6 +759,8 @@ static int tas2764_i2c_probe(struct i2c_client *client) if (!tas2764) return -ENOMEM; + tas2764->devid = (enum tas2764_devid)of_device_get_match_data(&client->dev); + tas2764->dev = &client->dev; tas2764->irq = client->irq; i2c_set_clientdata(client, tas2764); @@ -743,7 +797,8 @@ MODULE_DEVICE_TABLE(i2c, tas2764_i2c_id); #if defined(CONFIG_OF) static const struct of_device_id tas2764_of_match[] = { - { .compatible = "ti,tas2764" }, + { .compatible = "ti,tas2764", .data = (void *)DEVID_TAS2764 }, + { .compatible = "ti,sn012776", .data = (void *)DEVID_SN012776 }, {}, }; MODULE_DEVICE_TABLE(of, tas2764_of_match); |