Unverified Commit c5198db8 authored by Judy Hsiao's avatar Judy Hsiao Committed by Mark Brown
Browse files

ASoC: qcom: Add driver support for ALC5682I-VS 



Add Machine driver support for ALC5682I-VS codec.

Signed-off-by: default avatarJudy Hsiao <judyhsiao@chromium.org>
Link: https://lore.kernel.org/r/20220331084201.62815-1-judyhsiao@chromium.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 290186e1

sound/soc/qcom/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -197,6 +197,8 @@ config SND_SOC_SC7280 
	select SND_SOC_LPASS_MACRO_COMMON

	imply SND_SOC_LPASS_RX_MACRO

	imply SND_SOC_LPASS_TX_MACRO

	select SND_SOC_RT5682_I2C

	select SND_SOC_RT5682S

	help

	  Add support for audio on Qualcomm Technologies Inc.

	  SC7280 SoC-based systems.

sound/soc/qcom/sc7280.c

+107 −0
Original line number Diff line number Diff line
@@ -12,14 +12,21 @@ 
#include <sound/jack.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <sound/rt5682s.h>

#include <linux/soundwire/sdw.h>



#include "../codecs/rt5682.h"

#include "../codecs/rt5682s.h"

#include "common.h"

#include "lpass.h"



#define DEFAULT_MCLK_RATE              19200000

#define RT5682_PLL1_FREQ (48000 * 512)



struct sc7280_snd_data {

	struct snd_soc_card card;

	struct sdw_stream_runtime *sruntime[LPASS_MAX_PORTS];

	u32 pri_mi2s_clk_count;

	struct snd_soc_jack hs_jack;

	struct snd_soc_jack hdmi_jack;

	bool jack_setup;
@@ -69,6 +76,7 @@ static int sc7280_headset_init(struct snd_soc_pcm_runtime *rtd) 
		pdata->jack_setup = true;

	}

	switch (cpu_dai->id) {

	case MI2S_PRIMARY:

	case LPASS_CDC_DMA_RX0:

	case LPASS_CDC_DMA_TX3:

		for_each_rtd_codec_dais(rtd, i, codec_dai) {
@@ -110,11 +118,51 @@ static int sc7280_hdmi_init(struct snd_soc_pcm_runtime *rtd) 
	return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL);

}



static int sc7280_rt5682_init(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);

	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);

	struct snd_soc_card *card = rtd->card;

	struct sc7280_snd_data *data = snd_soc_card_get_drvdata(card);

	int ret;



	if (++data->pri_mi2s_clk_count == 1) {

		snd_soc_dai_set_sysclk(cpu_dai,

			LPASS_MCLK0,

			DEFAULT_MCLK_RATE,

			SNDRV_PCM_STREAM_PLAYBACK);

	}

	snd_soc_dai_set_fmt(codec_dai,

				SND_SOC_DAIFMT_CBC_CFC |

				SND_SOC_DAIFMT_NB_NF |

				SND_SOC_DAIFMT_I2S);



	ret = snd_soc_dai_set_pll(codec_dai, RT5682S_PLL1, RT5682S_PLL_S_BCLK1,

					1536000, RT5682_PLL1_FREQ);

	if (ret) {

		dev_err(rtd->dev, "can't set codec pll: %d\n", ret);

		return ret;

	}



	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682S_SCLK_S_PLL1,

					RT5682_PLL1_FREQ,

					SND_SOC_CLOCK_IN);



	if (ret) {

		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",

			ret);

		return ret;

	}



	return 0;

}



static int sc7280_init(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);



	switch (cpu_dai->id) {

	case MI2S_PRIMARY:

	case LPASS_CDC_DMA_TX3:

		return sc7280_headset_init(rtd);

	case LPASS_CDC_DMA_RX0:
@@ -227,10 +275,66 @@ static int sc7280_snd_hw_free(struct snd_pcm_substream *substream) 
	return 0;

}



static void sc7280_snd_shutdown(struct snd_pcm_substream *substream)

{

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_card *card = rtd->card;

	struct sc7280_snd_data *data = snd_soc_card_get_drvdata(card);

	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);



	switch (cpu_dai->id) {

	case MI2S_PRIMARY:

		if (--data->pri_mi2s_clk_count == 0) {

			snd_soc_dai_set_sysclk(cpu_dai,

					       LPASS_MCLK0,

					       0,

					       SNDRV_PCM_STREAM_PLAYBACK);

		}

		break;

	case MI2S_SECONDARY:

		break;

	case LPASS_DP_RX:

		break;

	default:

		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,

			cpu_dai->id);

		break;

	}

}



static int sc7280_snd_startup(struct snd_pcm_substream *substream)

{

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);

	int ret = 0;



	switch (cpu_dai->id) {

	case MI2S_PRIMARY:

		ret = sc7280_rt5682_init(rtd);

		break;

	case MI2S_SECONDARY:

		break;

	case LPASS_DP_RX:

		break;

	default:

		dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,

			cpu_dai->id);

		return -EINVAL;

	}

	return ret;

}



static const struct snd_soc_ops sc7280_ops = {

	.startup = sc7280_snd_startup,

	.hw_params = sc7280_snd_hw_params,

	.hw_free = sc7280_snd_hw_free,

	.prepare = sc7280_snd_prepare,

	.shutdown = sc7280_snd_shutdown,

};



static const struct snd_soc_dapm_widget sc7280_snd_widgets[] = {

	SND_SOC_DAPM_HP("Headphone Jack", NULL),

	SND_SOC_DAPM_MIC("Headset Mic", NULL),

};



static int sc7280_snd_platform_probe(struct platform_device *pdev)
@@ -252,6 +356,9 @@ static int sc7280_snd_platform_probe(struct platform_device *pdev) 
	card->driver_name = "SC7280";

	card->dev = dev;



	card->dapm_widgets = sc7280_snd_widgets;

	card->num_dapm_widgets = ARRAY_SIZE(sc7280_snd_widgets);



	ret = qcom_snd_parse_of(card);

	if (ret)

		return ret;