ASoC: tegra: Support RT5631 by machine driver

Add Realtek ALC5631/RT5631 codec support to the Tegra ASoC machine driver.
The RT5631 codec is found on devices like ASUS Transformer TF201, TF700T
and other Tegra-based Android tablets.

Signed-off-by: Ion Agorria <ion@agorria.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://lore.kernel.org/r/20230308073502.5421-6-clamor95@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig
index 73a683d..dba70c7 100644 (file)
--- a/sound/soc/tegra/Kconfig
+++ b/sound/soc/tegra/Kconfig
@@ -189,6 +189,15 @@ config SND_SOC_TEGRA_AUDIO_GRAPH_CARD
 config SND_SOC_TEGRA_MACHINE_DRV
        tristate
 
+config SND_SOC_TEGRA_RT5631
+       tristate "SoC Audio support for Tegra boards using an RT5631 codec"
+       depends on SND_SOC_TEGRA && I2C && GPIOLIB
+       select SND_SOC_TEGRA_MACHINE_DRV
+       select SND_SOC_RT5631
+       help
+         Say Y or M here if you want to add support for SoC audio on Tegra
+         boards using the RT5631 codec, such as Transformer.
+
 config SND_SOC_TEGRA_RT5640
        tristate "SoC Audio support for Tegra boards using an RT5640 codec"
        depends on I2C && GPIOLIB

diff --git a/sound/soc/tegra/tegra_asoc_machine.c b/sound/soc/tegra/tegra_asoc_machine.c
index 84a719e..b8cf5ab 100644 (file)
--- a/sound/soc/tegra/tegra_asoc_machine.c
+++ b/sound/soc/tegra/tegra_asoc_machine.c
@@ -256,6 +256,32 @@ static unsigned int tegra_machine_mclk_rate_12mhz(unsigned int srate)
        return mclk;
 }
 
+static unsigned int tegra_machine_mclk_rate_6mhz(unsigned int srate)
+{
+       unsigned int mclk;
+
+       switch (srate) {
+       case 8000:
+       case 16000:
+       case 64000:
+               mclk = 8192000;
+               break;
+       case 11025:
+       case 22050:
+       case 88200:
+               mclk = 11289600;
+               break;
+       case 96000:
+               mclk = 12288000;
+               break;
+       default:
+               mclk = 256 * srate;
+               break;
+       }
+
+       return mclk;
+}
+
 static int tegra_machine_hw_params(struct snd_pcm_substream *substream,
                                   struct snd_pcm_hw_params *params)
 {
@@ -883,6 +909,40 @@ static const struct tegra_asoc_data tegra_rt5632_data = {
        .add_headset_jack = true,
 };
 
+/* RT5631 machine */
+
+SND_SOC_DAILINK_DEFS(rt5631_hifi,
+       DAILINK_COMP_ARRAY(COMP_EMPTY()),
+       DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5631-hifi")),
+       DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link tegra_rt5631_dai = {
+       .name = "RT5631",
+       .stream_name = "RT5631 PCM",
+       .init = tegra_asoc_machine_init,
+       .dai_fmt = SND_SOC_DAIFMT_I2S |
+                  SND_SOC_DAIFMT_NB_NF |
+                  SND_SOC_DAIFMT_CBS_CFS,
+       SND_SOC_DAILINK_REG(rt5631_hifi),
+};
+
+static struct snd_soc_card snd_soc_tegra_rt5631 = {
+       .components = "codec:rt5631",
+       .dai_link = &tegra_rt5631_dai,
+       .num_links = 1,
+       .fully_routed = true,
+};
+
+static const struct tegra_asoc_data tegra_rt5631_data = {
+       .mclk_rate = tegra_machine_mclk_rate_6mhz,
+       .card = &snd_soc_tegra_rt5631,
+       .add_common_dapm_widgets = true,
+       .add_common_controls = true,
+       .add_common_snd_ops = true,
+       .add_mic_jack = true,
+       .add_hp_jack = true,
+};
+
 static const struct of_device_id tegra_machine_of_match[] = {
        { .compatible = "nvidia,tegra-audio-trimslice", .data = &tegra_trimslice_data },
        { .compatible = "nvidia,tegra-audio-max98090", .data = &tegra_max98090_data },
@@ -892,6 +952,7 @@ static const struct of_device_id tegra_machine_of_match[] = {
        { .compatible = "nvidia,tegra-audio-rt5677", .data = &tegra_rt5677_data },
        { .compatible = "nvidia,tegra-audio-rt5640", .data = &tegra_rt5640_data },
        { .compatible = "nvidia,tegra-audio-alc5632", .data = &tegra_rt5632_data },
+       { .compatible = "nvidia,tegra-audio-rt5631", .data = &tegra_rt5631_data },
        {},
 };
 MODULE_DEVICE_TABLE(of, tegra_machine_of_match);