diff options
Diffstat (limited to 'sound/soc/codecs/rt5514.c')
| -rw-r--r-- | sound/soc/codecs/rt5514.c | 168 |
1 files changed, 166 insertions, 2 deletions
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index 879bf60f4965..7162f05101d9 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -30,6 +30,9 @@ #include "rl6231.h" #include "rt5514.h" +#if defined(CONFIG_SND_SOC_RT5514_SPI) +#include "rt5514-spi.h" +#endif static const struct reg_sequence rt5514_i2c_patch[] = { {0x1800101c, 0x00000000}, @@ -110,6 +113,35 @@ static const struct reg_default rt5514_reg[] = { {RT5514_VENDOR_ID2, 0x10ec5514}, }; +static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514) +{ + /* Reset */ + regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec); + /* LDO_I_limit */ + regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604); + /* I2C bypass enable */ + regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001); + /* mini-core reset */ + regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b); + regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149); + /* I2C bypass disable */ + regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000); + /* PIN config */ + regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040); + /* PLL3(QN)=RCOSC*(10+2) */ + regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a); + /* PLL3 source=RCOSC, fsi=rt_clk */ + regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b); + /* Power on RCOSC, pll3 */ + regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81); + /* DSP clk source = pll3, ENABLE DSP clk */ + regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005); + /* Enable DSP clk auto switch */ + regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001); + /* Reduce DSP power */ + regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001); +} + static bool rt5514_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { @@ -248,6 +280,74 @@ static const DECLARE_TLV_DB_RANGE(bst_tlv, static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0); +static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); + + ucontrol->value.integer.value[0] = rt5514->dsp_enabled; + + return 0; +} + +static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); + struct snd_soc_codec *codec = rt5514->codec; + const struct firmware *fw = NULL; + + if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled) + return 0; + + if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { + rt5514->dsp_enabled = ucontrol->value.integer.value[0]; + + if (rt5514->dsp_enabled) { + rt5514_enable_dsp_prepare(rt5514); + + request_firmware(&fw, RT5514_FIRMWARE1, codec->dev); + if (fw) { +#if defined(CONFIG_SND_SOC_RT5514_SPI) + rt5514_spi_burst_write(0x4ff60000, fw->data, + ((fw->size/8)+1)*8); +#else + dev_err(codec->dev, "There is no SPI driver for" + " loading the firmware\n"); +#endif + release_firmware(fw); + fw = NULL; + } + + request_firmware(&fw, RT5514_FIRMWARE2, codec->dev); + if (fw) { +#if defined(CONFIG_SND_SOC_RT5514_SPI) + rt5514_spi_burst_write(0x4ffc0000, fw->data, + ((fw->size/8)+1)*8); +#else + dev_err(codec->dev, "There is no SPI driver for" + " loading the firmware\n"); +#endif + release_firmware(fw); + fw = NULL; + } + + /* DSP run */ + regmap_write(rt5514->i2c_regmap, 0x18002f00, + 0x00055148); + } else { + regmap_multi_reg_write(rt5514->i2c_regmap, + rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); + regcache_mark_dirty(rt5514->regmap); + regcache_sync(rt5514->regmap); + } + } + + return 0; +} + static const struct snd_kcontrol_new rt5514_snd_controls[] = { SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST, RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv), @@ -257,6 +357,8 @@ static const struct snd_kcontrol_new rt5514_snd_controls[] = { SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1, RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 127, 0, adc_vol_tlv), + SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0, + rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put), }; /* ADC Mixer*/ @@ -365,6 +467,35 @@ static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, return 0; } +static int rt5514_pre_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + /** + * If the DSP is enabled in start of recording, the DSP + * should be disabled, and sync back to normal recording + * settings to make sure recording properly. + */ + if (rt5514->dsp_enabled) { + rt5514->dsp_enabled = 0; + regmap_multi_reg_write(rt5514->i2c_regmap, + rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); + regcache_mark_dirty(rt5514->regmap); + regcache_sync(rt5514->regmap); + } + break; + + default: + return 0; + } + + return 0; +} + static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = { /* Input Lines */ SND_SOC_DAPM_INPUT("DMIC1L"), @@ -472,6 +603,8 @@ static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = { /* Audio Interface */ SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_PRE("DAPM Pre", rt5514_pre_event), }; static const struct snd_soc_dapm_route rt5514_dapm_routes[] = { @@ -799,10 +932,41 @@ static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, return 0; } +static int rt5514_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); + int ret; + + switch (level) { + case SND_SOC_BIAS_PREPARE: + if (IS_ERR(rt5514->mclk)) + break; + + if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) { + clk_disable_unprepare(rt5514->mclk); + } else { + ret = clk_prepare_enable(rt5514->mclk); + if (ret) + return ret; + } + break; + + default: + break; + } + + return 0; +} + static int rt5514_probe(struct snd_soc_codec *codec) { struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); + rt5514->mclk = devm_clk_get(codec->dev, "mclk"); + if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + rt5514->codec = codec; return 0; @@ -858,6 +1022,7 @@ struct snd_soc_dai_driver rt5514_dai[] = { static struct snd_soc_codec_driver soc_codec_dev_rt5514 = { .probe = rt5514_probe, .idle_bias_off = true, + .set_bias_level = rt5514_set_bias_level, .controls = rt5514_snd_controls, .num_controls = ARRAY_SIZE(rt5514_snd_controls), .dapm_widgets = rt5514_dapm_widgets, @@ -871,7 +1036,6 @@ static const struct regmap_config rt5514_i2c_regmap = { .reg_bits = 32, .val_bits = 32, - .max_register = RT5514_DSP_MAPPING | RT5514_VENDOR_ID2, .readable_reg = rt5514_i2c_readable_register, .cache_type = REGCACHE_NONE, @@ -944,7 +1108,7 @@ static int rt5514_i2c_probe(struct i2c_client *i2c, return -ENODEV; } - ret = regmap_register_patch(rt5514->i2c_regmap, rt5514_i2c_patch, + ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); if (ret != 0) dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n", |