diff options
Diffstat (limited to 'sound/soc/codecs/rt5514.c')
| -rw-r--r-- | sound/soc/codecs/rt5514.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index 2dd6e9f990a4..198df016802f 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -295,6 +295,33 @@ static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol, return 0; } +static int rt5514_calibration(struct rt5514_priv *rt5514, bool on) +{ + if (on) { + regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL3, 0x0000000a); + regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf, + 0xa); + regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, + 0x301); + regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL4, + 0x80000000 | rt5514->pll3_cal_value); + regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL1, + 0x8bb80800); + regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5, + 0xc0000000, 0x80000000); + regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5, + 0xc0000000, 0xc0000000); + } else { + regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5, + 0xc0000000, 0x40000000); + regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, 0); + regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf, + 0x4); + } + + return 0; +} + static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -302,6 +329,7 @@ static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol, struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); struct snd_soc_codec *codec = rt5514->codec; const struct firmware *fw = NULL; + u8 buf[8]; if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled) return 0; @@ -310,6 +338,35 @@ static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol, rt5514->dsp_enabled = ucontrol->value.integer.value[0]; if (rt5514->dsp_enabled) { + if (rt5514->pdata.dsp_calib_clk_name && + !IS_ERR(rt5514->dsp_calib_clk)) { + if (clk_set_rate(rt5514->dsp_calib_clk, + rt5514->pdata.dsp_calib_clk_rate)) + dev_err(codec->dev, + "Can't set rate for mclk"); + + if (clk_prepare_enable(rt5514->dsp_calib_clk)) + dev_err(codec->dev, + "Can't enable dsp_calib_clk"); + + rt5514_calibration(rt5514, true); + + msleep(20); +#if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) + rt5514_spi_burst_read(RT5514_PLL3_CALIB_CTRL6 | + RT5514_DSP_MAPPING, + (u8 *)&buf, sizeof(buf)); +#else + dev_err(codec->dev, "There is no SPI driver for" + " loading the firmware\n"); +#endif + rt5514->pll3_cal_value = buf[0] | buf[1] << 8 | + buf[2] << 16 | buf[3] << 24; + + rt5514_calibration(rt5514, false); + clk_disable_unprepare(rt5514->dsp_calib_clk); + } + rt5514_enable_dsp_prepare(rt5514); request_firmware(&fw, RT5514_FIRMWARE1, codec->dev); @@ -341,6 +398,20 @@ static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol, /* DSP run */ regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055148); + + if (rt5514->pdata.dsp_calib_clk_name && + !IS_ERR(rt5514->dsp_calib_clk)) { + msleep(20); + + regmap_write(rt5514->i2c_regmap, 0x1800211c, + rt5514->pll3_cal_value); + regmap_write(rt5514->i2c_regmap, 0x18002124, + 0x00220012); + regmap_write(rt5514->i2c_regmap, 0x18002124, + 0x80220042); + regmap_write(rt5514->i2c_regmap, 0x18002124, + 0xe0220042); + } } else { regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); @@ -1024,12 +1095,22 @@ static int rt5514_set_bias_level(struct snd_soc_codec *codec, static int rt5514_probe(struct snd_soc_codec *codec) { struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); + struct platform_device *pdev = container_of(codec->dev, + struct platform_device, dev); rt5514->mclk = devm_clk_get(codec->dev, "mclk"); if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER) return -EPROBE_DEFER; + if (rt5514->pdata.dsp_calib_clk_name) { + rt5514->dsp_calib_clk = devm_clk_get(&pdev->dev, + rt5514->pdata.dsp_calib_clk_name); + if (PTR_ERR(rt5514->dsp_calib_clk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + } + rt5514->codec = codec; + rt5514->pll3_cal_value = 0x0078b000; return 0; } @@ -1147,6 +1228,10 @@ static int rt5514_parse_dp(struct rt5514_priv *rt5514, struct device *dev) { device_property_read_u32(dev, "realtek,dmic-init-delay-ms", &rt5514->pdata.dmic_init_delay); + device_property_read_string(dev, "realtek,dsp-calib-clk-name", + &rt5514->pdata.dsp_calib_clk_name); + device_property_read_u32(dev, "realtek,dsp-calib-clk-rate", + &rt5514->pdata.dsp_calib_clk_rate); return 0; } |