diff options
Diffstat (limited to 'sound/soc/codecs/da7213.c')
| -rw-r--r-- | sound/soc/codecs/da7213.c | 123 |
1 files changed, 118 insertions, 5 deletions
diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c index a9c86efb3187..ab1486b04c30 100644 --- a/sound/soc/codecs/da7213.c +++ b/sound/soc/codecs/da7213.c @@ -1387,10 +1387,118 @@ static int da7213_set_bias_level(struct snd_soc_codec *codec, return 0; } +/* DT */ +static const struct of_device_id da7213_of_match[] = { + { .compatible = "dlg,da7213", }, + { } +}; +MODULE_DEVICE_TABLE(of, da7213_of_match); + +static enum da7213_micbias_voltage + da7213_of_micbias_lvl(struct snd_soc_codec *codec, u32 val) +{ + switch (val) { + case 1600: + return DA7213_MICBIAS_1_6V; + case 2200: + return DA7213_MICBIAS_2_2V; + case 2500: + return DA7213_MICBIAS_2_5V; + case 3000: + return DA7213_MICBIAS_3_0V; + default: + dev_warn(codec->dev, "Invalid micbias level\n"); + return DA7213_MICBIAS_2_2V; + } +} + +static enum da7213_dmic_data_sel + da7213_of_dmic_data_sel(struct snd_soc_codec *codec, const char *str) +{ + if (!strcmp(str, "lrise_rfall")) { + return DA7213_DMIC_DATA_LRISE_RFALL; + } else if (!strcmp(str, "lfall_rrise")) { + return DA7213_DMIC_DATA_LFALL_RRISE; + } else { + dev_warn(codec->dev, "Invalid DMIC data select type\n"); + return DA7213_DMIC_DATA_LRISE_RFALL; + } +} + +static enum da7213_dmic_samplephase + da7213_of_dmic_samplephase(struct snd_soc_codec *codec, const char *str) +{ + if (!strcmp(str, "on_clkedge")) { + return DA7213_DMIC_SAMPLE_ON_CLKEDGE; + } else if (!strcmp(str, "between_clkedge")) { + return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE; + } else { + dev_warn(codec->dev, "Invalid DMIC sample phase\n"); + return DA7213_DMIC_SAMPLE_ON_CLKEDGE; + } +} + +static enum da7213_dmic_clk_rate + da7213_of_dmic_clkrate(struct snd_soc_codec *codec, u32 val) +{ + switch (val) { + case 1500000: + return DA7213_DMIC_CLK_1_5MHZ; + case 3000000: + return DA7213_DMIC_CLK_3_0MHZ; + default: + dev_warn(codec->dev, "Invalid DMIC clock rate\n"); + return DA7213_DMIC_CLK_1_5MHZ; + } +} + +static struct da7213_platform_data + *da7213_of_to_pdata(struct snd_soc_codec *codec) +{ + struct device_node *np = codec->dev->of_node; + struct da7213_platform_data *pdata; + const char *of_str; + u32 of_val32; + + pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + dev_warn(codec->dev, "Failed to allocate memory for pdata\n"); + return NULL; + } + + if (of_property_read_u32(np, "dlg,micbias1-lvl", &of_val32) >= 0) + pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, of_val32); + else + pdata->micbias1_lvl = DA7213_MICBIAS_2_2V; + + if (of_property_read_u32(np, "dlg,micbias2-lvl", &of_val32) >= 0) + pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, of_val32); + else + pdata->micbias2_lvl = DA7213_MICBIAS_2_2V; + + if (!of_property_read_string(np, "dlg,dmic-data-sel", &of_str)) + pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, of_str); + else + pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL; + + if (!of_property_read_string(np, "dlg,dmic-samplephase", &of_str)) + pdata->dmic_samplephase = + da7213_of_dmic_samplephase(codec, of_str); + else + pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE; + + if (of_property_read_u32(np, "dlg,dmic-clkrate", &of_val32) >= 0) + pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, of_val32); + else + pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ; + + return pdata; +} + + static int da7213_probe(struct snd_soc_codec *codec) { struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); - struct da7213_platform_data *pdata = da7213->pdata; /* Default to using ALC auto offset calibration mode. */ snd_soc_update_bits(codec, DA7213_ALC_CTRL1, @@ -1450,8 +1558,15 @@ static int da7213_probe(struct snd_soc_codec *codec) snd_soc_update_bits(codec, DA7213_LINE_CTRL, DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE); + /* Handle DT/Platform data */ + if (codec->dev->of_node) + da7213->pdata = da7213_of_to_pdata(codec); + else + da7213->pdata = dev_get_platdata(codec->dev); + /* Set platform data values */ if (da7213->pdata) { + struct da7213_platform_data *pdata = da7213->pdata; u8 micbias_lvl = 0, dmic_cfg = 0; /* Set Mic Bias voltages */ @@ -1507,6 +1622,7 @@ static int da7213_probe(struct snd_soc_codec *codec) /* Set MCLK squaring */ da7213->mclk_squarer_en = pdata->mclk_squaring; } + return 0; } @@ -1537,7 +1653,6 @@ static int da7213_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct da7213_priv *da7213; - struct da7213_platform_data *pdata = dev_get_platdata(&i2c->dev); int ret; da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv), @@ -1545,9 +1660,6 @@ static int da7213_i2c_probe(struct i2c_client *i2c, if (!da7213) return -ENOMEM; - if (pdata) - da7213->pdata = pdata; - i2c_set_clientdata(i2c, da7213); da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config); @@ -1582,6 +1694,7 @@ MODULE_DEVICE_TABLE(i2c, da7213_i2c_id); static struct i2c_driver da7213_i2c_driver = { .driver = { .name = "da7213", + .of_match_table = of_match_ptr(da7213_of_match), }, .probe = da7213_i2c_probe, .remove = da7213_remove, |