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ASoc: mediatek: mt8365: Add a specific soundcard for EVK
Add a specific soundcard for mt8365-evk. It supports audio jack in/out, dmics, the amic and lineout. Signed-off-by: Nicolas Belin <nbelin@baylibre.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com> Link: https://patch.msgid.link/20240226-audio-i350-v7-10-6518d953a141@baylibre.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Nicolas Belin
Mark Brown
parent
5097c0c863
commit
1bf6dbd75f
345
sound/soc/mediatek/mt8365/mt8365-mt6357.c
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345
sound/soc/mediatek/mt8365/mt8365-mt6357.c
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@ -0,0 +1,345 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* MediaTek MT8365 Sound Card driver
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*
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* Copyright (c) 2024 MediaTek Inc.
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* Authors: Nicolas Belin <nbelin@baylibre.com>
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*/
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#include <linux/module.h>
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#include <linux/of_gpio.h>
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#include <sound/soc.h>
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#include <sound/pcm_params.h>
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#include "mt8365-afe-common.h"
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#include <linux/pinctrl/consumer.h>
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#include "../common/mtk-soc-card.h"
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#include "../common/mtk-soundcard-driver.h"
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enum pinctrl_pin_state {
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PIN_STATE_DEFAULT,
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PIN_STATE_DMIC,
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PIN_STATE_MISO_OFF,
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PIN_STATE_MISO_ON,
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PIN_STATE_MOSI_OFF,
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PIN_STATE_MOSI_ON,
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PIN_STATE_MAX
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};
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static const char * const mt8365_mt6357_pin_str[PIN_STATE_MAX] = {
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"default",
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"dmic",
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"miso_off",
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"miso_on",
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"mosi_off",
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"mosi_on",
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};
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struct mt8365_mt6357_priv {
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struct pinctrl *pinctrl;
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struct pinctrl_state *pin_states[PIN_STATE_MAX];
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};
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enum {
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/* FE */
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DAI_LINK_DL1_PLAYBACK = 0,
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DAI_LINK_DL2_PLAYBACK,
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DAI_LINK_AWB_CAPTURE,
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DAI_LINK_VUL_CAPTURE,
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/* BE */
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DAI_LINK_2ND_I2S_INTF,
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DAI_LINK_DMIC,
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DAI_LINK_INT_ADDA,
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DAI_LINK_NUM
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};
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static const struct snd_soc_dapm_widget mt8365_mt6357_widgets[] = {
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SND_SOC_DAPM_OUTPUT("HDMI Out"),
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};
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static const struct snd_soc_dapm_route mt8365_mt6357_routes[] = {
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{"HDMI Out", NULL, "2ND I2S Playback"},
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{"DMIC In", NULL, "MICBIAS0"},
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};
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static int mt8365_mt6357_int_adda_startup(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card);
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int ret = 0;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_ON]))
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return ret;
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ret = pinctrl_select_state(priv->pinctrl,
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priv->pin_states[PIN_STATE_MOSI_ON]);
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if (ret)
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dev_err(rtd->card->dev, "%s failed to select state %d\n",
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__func__, ret);
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}
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if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
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if (IS_ERR(priv->pin_states[PIN_STATE_MISO_ON]))
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return ret;
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ret = pinctrl_select_state(priv->pinctrl,
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priv->pin_states[PIN_STATE_MISO_ON]);
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if (ret)
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dev_err(rtd->card->dev, "%s failed to select state %d\n",
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__func__, ret);
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}
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return 0;
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}
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static void mt8365_mt6357_int_adda_shutdown(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card);
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int ret = 0;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_OFF]))
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return;
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ret = pinctrl_select_state(priv->pinctrl,
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priv->pin_states[PIN_STATE_MOSI_OFF]);
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if (ret)
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dev_err(rtd->card->dev, "%s failed to select state %d\n",
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__func__, ret);
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}
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if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
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if (IS_ERR(priv->pin_states[PIN_STATE_MISO_OFF]))
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return;
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ret = pinctrl_select_state(priv->pinctrl,
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priv->pin_states[PIN_STATE_MISO_OFF]);
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if (ret)
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dev_err(rtd->card->dev, "%s failed to select state %d\n",
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__func__, ret);
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}
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}
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static const struct snd_soc_ops mt8365_mt6357_int_adda_ops = {
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.startup = mt8365_mt6357_int_adda_startup,
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.shutdown = mt8365_mt6357_int_adda_shutdown,
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};
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SND_SOC_DAILINK_DEFS(playback1,
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DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
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DAILINK_COMP_ARRAY(COMP_DUMMY()),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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SND_SOC_DAILINK_DEFS(playback2,
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DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
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DAILINK_COMP_ARRAY(COMP_DUMMY()),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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SND_SOC_DAILINK_DEFS(awb_capture,
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DAILINK_COMP_ARRAY(COMP_CPU("AWB")),
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DAILINK_COMP_ARRAY(COMP_DUMMY()),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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SND_SOC_DAILINK_DEFS(vul,
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DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
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DAILINK_COMP_ARRAY(COMP_DUMMY()),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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SND_SOC_DAILINK_DEFS(i2s3,
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DAILINK_COMP_ARRAY(COMP_CPU("2ND I2S")),
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DAILINK_COMP_ARRAY(COMP_DUMMY()),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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SND_SOC_DAILINK_DEFS(dmic,
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DAILINK_COMP_ARRAY(COMP_CPU("DMIC")),
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DAILINK_COMP_ARRAY(COMP_DUMMY()),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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SND_SOC_DAILINK_DEFS(primary_codec,
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DAILINK_COMP_ARRAY(COMP_CPU("INT ADDA")),
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DAILINK_COMP_ARRAY(COMP_CODEC("mt6357-sound", "mt6357-snd-codec-aif1")),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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/* Digital audio interface glue - connects codec <---> CPU */
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static struct snd_soc_dai_link mt8365_mt6357_dais[] = {
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/* Front End DAI links */
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[DAI_LINK_DL1_PLAYBACK] = {
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.name = "DL1_FE",
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.stream_name = "MultiMedia1_PLayback",
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.id = DAI_LINK_DL1_PLAYBACK,
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dynamic = 1,
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.dpcm_playback = 1,
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.dpcm_merged_rate = 1,
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SND_SOC_DAILINK_REG(playback1),
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},
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[DAI_LINK_DL2_PLAYBACK] = {
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.name = "DL2_FE",
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.stream_name = "MultiMedia2_PLayback",
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.id = DAI_LINK_DL2_PLAYBACK,
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dynamic = 1,
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.dpcm_playback = 1,
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.dpcm_merged_rate = 1,
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SND_SOC_DAILINK_REG(playback2),
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},
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[DAI_LINK_AWB_CAPTURE] = {
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.name = "AWB_FE",
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.stream_name = "DL1_AWB_Record",
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.id = DAI_LINK_AWB_CAPTURE,
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dynamic = 1,
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.dpcm_capture = 1,
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.dpcm_merged_rate = 1,
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SND_SOC_DAILINK_REG(awb_capture),
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},
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[DAI_LINK_VUL_CAPTURE] = {
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.name = "VUL_FE",
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.stream_name = "MultiMedia1_Capture",
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.id = DAI_LINK_VUL_CAPTURE,
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dynamic = 1,
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.dpcm_capture = 1,
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.dpcm_merged_rate = 1,
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SND_SOC_DAILINK_REG(vul),
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},
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/* Back End DAI links */
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[DAI_LINK_2ND_I2S_INTF] = {
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.name = "I2S_OUT_BE",
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.no_pcm = 1,
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.id = DAI_LINK_2ND_I2S_INTF,
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.dai_fmt = SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBS_CFS,
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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SND_SOC_DAILINK_REG(i2s3),
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},
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[DAI_LINK_DMIC] = {
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.name = "DMIC_BE",
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.no_pcm = 1,
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.id = DAI_LINK_DMIC,
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.dpcm_capture = 1,
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SND_SOC_DAILINK_REG(dmic),
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},
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[DAI_LINK_INT_ADDA] = {
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.name = "MTK_Codec",
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.no_pcm = 1,
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.id = DAI_LINK_INT_ADDA,
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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.ops = &mt8365_mt6357_int_adda_ops,
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SND_SOC_DAILINK_REG(primary_codec),
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},
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};
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static int mt8365_mt6357_gpio_probe(struct snd_soc_card *card)
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{
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struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(card);
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int ret, i;
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priv->pinctrl = devm_pinctrl_get(card->dev);
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if (IS_ERR(priv->pinctrl)) {
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ret = PTR_ERR(priv->pinctrl);
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return dev_err_probe(card->dev, ret,
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"Failed to get pinctrl\n");
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}
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for (i = PIN_STATE_DEFAULT ; i < PIN_STATE_MAX ; i++) {
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priv->pin_states[i] = pinctrl_lookup_state(priv->pinctrl,
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mt8365_mt6357_pin_str[i]);
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if (IS_ERR(priv->pin_states[i])) {
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ret = PTR_ERR(priv->pin_states[i]);
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dev_warn(card->dev, "No pin state for %s\n",
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mt8365_mt6357_pin_str[i]);
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} else {
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ret = pinctrl_select_state(priv->pinctrl,
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priv->pin_states[i]);
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if (ret) {
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dev_err_probe(card->dev, ret,
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"Failed to select pin state %s\n",
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mt8365_mt6357_pin_str[i]);
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return ret;
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}
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}
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}
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return 0;
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}
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static struct snd_soc_card mt8365_mt6357_soc_card = {
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.name = "mt8365-evk",
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.owner = THIS_MODULE,
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.dai_link = mt8365_mt6357_dais,
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.num_links = ARRAY_SIZE(mt8365_mt6357_dais),
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.dapm_widgets = mt8365_mt6357_widgets,
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.num_dapm_widgets = ARRAY_SIZE(mt8365_mt6357_widgets),
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.dapm_routes = mt8365_mt6357_routes,
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.num_dapm_routes = ARRAY_SIZE(mt8365_mt6357_routes),
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};
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static int mt8365_mt6357_dev_probe(struct mtk_soc_card_data *soc_card_data, bool legacy)
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{
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struct mtk_platform_card_data *card_data = soc_card_data->card_data;
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struct snd_soc_card *card = card_data->card;
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struct device *dev = card->dev;
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struct device_node *platform_node;
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struct mt8365_mt6357_priv *mach_priv;
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int i, ret;
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card->dev = dev;
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ret = parse_dai_link_info(card);
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if (ret)
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goto err;
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mach_priv = devm_kzalloc(dev, sizeof(*mach_priv),
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GFP_KERNEL);
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if (!mach_priv)
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return -ENOMEM;
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soc_card_data->mach_priv = mach_priv;
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snd_soc_card_set_drvdata(card, soc_card_data);
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mt8365_mt6357_gpio_probe(card);
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return 0;
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err:
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clean_card_reference(card);
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return ret;
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}
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static const struct mtk_soundcard_pdata mt8365_mt6357_card = {
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.card_name = "mt8365-mt6357",
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.card_data = &(struct mtk_platform_card_data) {
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.card = &mt8365_mt6357_soc_card,
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},
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.soc_probe = mt8365_mt6357_dev_probe
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};
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static const struct of_device_id mt8365_mt6357_dt_match[] = {
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{ .compatible = "mediatek,mt8365-mt6357", .data = &mt8365_mt6357_card },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, mt8365_mt6357_dt_match);
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static struct platform_driver mt8365_mt6357_driver = {
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.driver = {
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.name = "mt8365_mt6357",
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.of_match_table = mt8365_mt6357_dt_match,
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.pm = &snd_soc_pm_ops,
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},
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.probe = mtk_soundcard_common_probe,
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};
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module_platform_driver(mt8365_mt6357_driver);
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/* Module information */
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MODULE_DESCRIPTION("MT8365 EVK SoC machine driver");
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MODULE_AUTHOR("Nicolas Belin <nbelin@baylibre.com>");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform: mt8365_mt6357");
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