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: Svyatoslav Ryhel clamor95@gmail.com Signed-off-by: Ion Agorria ion@agorria.com --- sound/soc/tegra/Kconfig | 9 ++++ sound/soc/tegra/tegra_asoc_machine.c | 74 ++++++++++++++++++++++++++++ 2 files changed, 83 insertions(+)
diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig index b6712a3d1fa1..ff905e5dcd86 100644 --- 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 78faa8bcae27..607800ec07a6 100644 --- a/sound/soc/tegra/tegra_asoc_machine.c +++ b/sound/soc/tegra/tegra_asoc_machine.c @@ -51,6 +51,17 @@ static struct snd_soc_jack_gpio tegra_machine_headset_jack_gpio = { };
/* Mic Jack */ +static int headset_check(void *data) +{ + struct tegra_machine *machine = (struct tegra_machine *)data; + + /* Detect mic insertion only if 3.5 jack is in */ + if (gpiod_get_value_cansleep(machine->gpiod_hp_det) && + gpiod_get_value_cansleep(machine->gpiod_mic_det)) + return SND_JACK_MICROPHONE; + + return 0; +}
static struct snd_soc_jack tegra_machine_mic_jack;
@@ -183,8 +194,15 @@ int tegra_asoc_machine_init(struct snd_soc_pcm_runtime *rtd) return err; }
+ tegra_machine_mic_jack_gpio.data = machine; tegra_machine_mic_jack_gpio.desc = machine->gpiod_mic_det;
+ if (of_property_read_bool(card->dev->of_node, + "nvidia,coupled-mic-hp-det")) { + tegra_machine_mic_jack_gpio.desc = machine->gpiod_hp_det; + tegra_machine_mic_jack_gpio.jack_status_check = headset_check; + }; + err = snd_soc_jack_add_gpios(&tegra_machine_mic_jack, 1, &tegra_machine_mic_jack_gpio); if (err) @@ -238,6 +256,27 @@ 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 64000: + case 88200: + case 96000: + mclk = 128 * srate; + break; + default: + mclk = 256 * srate; + break; + } + /* FIXME: Codec only requires >= 3MHz if OSR==0 */ + while (mclk < 6000000) + mclk *= 2; + + return mclk; +} + static int tegra_machine_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -865,6 +904,40 @@ 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 }, @@ -874,6 +947,7 @@ 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);