From: Nicolas Belin <nbelin@xxxxxxxxxxxx> Add a specific soundcard for mt8365-evk. It supports audio jack in/out, dmics, the amic and lineout. Signed-off-by: Nicolas Belin <nbelin@xxxxxxxxxxxx> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> Signed-off-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx> --- sound/soc/mediatek/mt8365/mt8365-mt6357.c | 345 ++++++++++++++++++++++++++++++ 1 file changed, 345 insertions(+) diff --git a/sound/soc/mediatek/mt8365/mt8365-mt6357.c b/sound/soc/mediatek/mt8365/mt8365-mt6357.c new file mode 100644 index 000000000000..fef76118f801 --- /dev/null +++ b/sound/soc/mediatek/mt8365/mt8365-mt6357.c @@ -0,0 +1,345 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * MediaTek MT8365 Sound Card driver + * + * Copyright (c) 2024 MediaTek Inc. + * Authors: Nicolas Belin <nbelin@xxxxxxxxxxxx> + */ + +#include <linux/module.h> +#include <linux/of_gpio.h> +#include <sound/soc.h> +#include <sound/pcm_params.h> +#include "mt8365-afe-common.h" +#include <linux/pinctrl/consumer.h> +#include "../common/mtk-soc-card.h" +#include "../common/mtk-soundcard-driver.h" + +enum pinctrl_pin_state { + PIN_STATE_DEFAULT, + PIN_STATE_DMIC, + PIN_STATE_MISO_OFF, + PIN_STATE_MISO_ON, + PIN_STATE_MOSI_OFF, + PIN_STATE_MOSI_ON, + PIN_STATE_MAX +}; + +static const char * const mt8365_mt6357_pin_str[PIN_STATE_MAX] = { + "default", + "dmic", + "miso_off", + "miso_on", + "mosi_off", + "mosi_on", +}; + +struct mt8365_mt6357_priv { + struct pinctrl *pinctrl; + struct pinctrl_state *pin_states[PIN_STATE_MAX]; +}; + +enum { + /* FE */ + DAI_LINK_DL1_PLAYBACK = 0, + DAI_LINK_DL2_PLAYBACK, + DAI_LINK_AWB_CAPTURE, + DAI_LINK_VUL_CAPTURE, + /* BE */ + DAI_LINK_2ND_I2S_INTF, + DAI_LINK_DMIC, + DAI_LINK_INT_ADDA, + DAI_LINK_NUM +}; + +static const struct snd_soc_dapm_widget mt8365_mt6357_widgets[] = { + SND_SOC_DAPM_OUTPUT("HDMI Out"), +}; + +static const struct snd_soc_dapm_route mt8365_mt6357_routes[] = { + {"HDMI Out", NULL, "2ND I2S Playback"}, + {"DMIC In", NULL, "MICBIAS0"}, +}; + +static int mt8365_mt6357_int_adda_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card); + int ret = 0; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_ON])) + return ret; + + ret = pinctrl_select_state(priv->pinctrl, + priv->pin_states[PIN_STATE_MOSI_ON]); + if (ret) + dev_err(rtd->card->dev, "%s failed to select state %d\n", + __func__, ret); + } + + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (IS_ERR(priv->pin_states[PIN_STATE_MISO_ON])) + return ret; + + ret = pinctrl_select_state(priv->pinctrl, + priv->pin_states[PIN_STATE_MISO_ON]); + if (ret) + dev_err(rtd->card->dev, "%s failed to select state %d\n", + __func__, ret); + } + + return 0; +} + +static void mt8365_mt6357_int_adda_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(rtd->card); + int ret = 0; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (IS_ERR(priv->pin_states[PIN_STATE_MOSI_OFF])) + return; + + ret = pinctrl_select_state(priv->pinctrl, + priv->pin_states[PIN_STATE_MOSI_OFF]); + if (ret) + dev_err(rtd->card->dev, "%s failed to select state %d\n", + __func__, ret); + } + + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (IS_ERR(priv->pin_states[PIN_STATE_MISO_OFF])) + return; + + ret = pinctrl_select_state(priv->pinctrl, + priv->pin_states[PIN_STATE_MISO_OFF]); + if (ret) + dev_err(rtd->card->dev, "%s failed to select state %d\n", + __func__, ret); + } +} + +static const struct snd_soc_ops mt8365_mt6357_int_adda_ops = { + .startup = mt8365_mt6357_int_adda_startup, + .shutdown = mt8365_mt6357_int_adda_shutdown, +}; + +SND_SOC_DAILINK_DEFS(playback1, + DAILINK_COMP_ARRAY(COMP_CPU("DL1")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY())); +SND_SOC_DAILINK_DEFS(playback2, + DAILINK_COMP_ARRAY(COMP_CPU("DL2")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY())); +SND_SOC_DAILINK_DEFS(awb_capture, + DAILINK_COMP_ARRAY(COMP_CPU("AWB")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY())); +SND_SOC_DAILINK_DEFS(vul, + DAILINK_COMP_ARRAY(COMP_CPU("VUL")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(i2s3, + DAILINK_COMP_ARRAY(COMP_CPU("2ND I2S")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY())); +SND_SOC_DAILINK_DEFS(dmic, + DAILINK_COMP_ARRAY(COMP_CPU("DMIC")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY())); +SND_SOC_DAILINK_DEFS(primary_codec, + DAILINK_COMP_ARRAY(COMP_CPU("INT ADDA")), + DAILINK_COMP_ARRAY(COMP_CODEC("mt6357-sound", "mt6357-snd-codec-aif1")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +/* Digital audio interface glue - connects codec <---> CPU */ +static struct snd_soc_dai_link mt8365_mt6357_dais[] = { + /* Front End DAI links */ + [DAI_LINK_DL1_PLAYBACK] = { + .name = "DL1_FE", + .stream_name = "MultiMedia1_PLayback", + .id = DAI_LINK_DL1_PLAYBACK, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST + }, + .dynamic = 1, + .dpcm_playback = 1, + .dpcm_merged_rate = 1, + SND_SOC_DAILINK_REG(playback1), + }, + [DAI_LINK_DL2_PLAYBACK] = { + .name = "DL2_FE", + .stream_name = "MultiMedia2_PLayback", + .id = DAI_LINK_DL2_PLAYBACK, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST + }, + .dynamic = 1, + .dpcm_playback = 1, + .dpcm_merged_rate = 1, + SND_SOC_DAILINK_REG(playback2), + }, + [DAI_LINK_AWB_CAPTURE] = { + .name = "AWB_FE", + .stream_name = "DL1_AWB_Record", + .id = DAI_LINK_AWB_CAPTURE, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST + }, + .dynamic = 1, + .dpcm_capture = 1, + .dpcm_merged_rate = 1, + SND_SOC_DAILINK_REG(awb_capture), + }, + [DAI_LINK_VUL_CAPTURE] = { + .name = "VUL_FE", + .stream_name = "MultiMedia1_Capture", + .id = DAI_LINK_VUL_CAPTURE, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST + }, + .dynamic = 1, + .dpcm_capture = 1, + .dpcm_merged_rate = 1, + SND_SOC_DAILINK_REG(vul), + }, + /* Back End DAI links */ + [DAI_LINK_2ND_I2S_INTF] = { + .name = "I2S_OUT_BE", + .no_pcm = 1, + .id = DAI_LINK_2ND_I2S_INTF, + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .dpcm_playback = 1, + .dpcm_capture = 1, + SND_SOC_DAILINK_REG(i2s3), + }, + [DAI_LINK_DMIC] = { + .name = "DMIC_BE", + .no_pcm = 1, + .id = DAI_LINK_DMIC, + .dpcm_capture = 1, + SND_SOC_DAILINK_REG(dmic), + }, + [DAI_LINK_INT_ADDA] = { + .name = "MTK_Codec", + .no_pcm = 1, + .id = DAI_LINK_INT_ADDA, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &mt8365_mt6357_int_adda_ops, + SND_SOC_DAILINK_REG(primary_codec), + }, +}; + +static int mt8365_mt6357_gpio_probe(struct snd_soc_card *card) +{ + struct mt8365_mt6357_priv *priv = snd_soc_card_get_drvdata(card); + int ret, i; + + priv->pinctrl = devm_pinctrl_get(card->dev); + if (IS_ERR(priv->pinctrl)) { + ret = PTR_ERR(priv->pinctrl); + return dev_err_probe(card->dev, ret, + "Failed to get pinctrl\n"); + } + + for (i = PIN_STATE_DEFAULT ; i < PIN_STATE_MAX ; i++) { + priv->pin_states[i] = pinctrl_lookup_state(priv->pinctrl, + mt8365_mt6357_pin_str[i]); + if (IS_ERR(priv->pin_states[i])) { + ret = PTR_ERR(priv->pin_states[i]); + dev_warn(card->dev, "No pin state for %s\n", + mt8365_mt6357_pin_str[i]); + } else { + ret = pinctrl_select_state(priv->pinctrl, + priv->pin_states[i]); + if (ret) { + dev_err_probe(card->dev, ret, + "Failed to select pin state %s\n", + mt8365_mt6357_pin_str[i]); + return ret; + } + } + } + return 0; +} + +static struct snd_soc_card mt8365_mt6357_soc_card = { + .name = "mt8365-evk", + .owner = THIS_MODULE, + .dai_link = mt8365_mt6357_dais, + .num_links = ARRAY_SIZE(mt8365_mt6357_dais), + .dapm_widgets = mt8365_mt6357_widgets, + .num_dapm_widgets = ARRAY_SIZE(mt8365_mt6357_widgets), + .dapm_routes = mt8365_mt6357_routes, + .num_dapm_routes = ARRAY_SIZE(mt8365_mt6357_routes), +}; + +static int mt8365_mt6357_dev_probe(struct mtk_soc_card_data *soc_card_data, bool legacy) +{ + struct mtk_platform_card_data *card_data = soc_card_data->card_data; + struct snd_soc_card *card = card_data->card; + struct device *dev = card->dev; + struct device_node *platform_node; + struct mt8365_mt6357_priv *mach_priv; + int i, ret; + + card->dev = dev; + ret = parse_dai_link_info(card); + if (ret) + goto err; + + mach_priv = devm_kzalloc(dev, sizeof(*mach_priv), + GFP_KERNEL); + if (!mach_priv) + return -ENOMEM; + soc_card_data->mach_priv = mach_priv; + snd_soc_card_set_drvdata(card, soc_card_data); + mt8365_mt6357_gpio_probe(card); + return 0; + +err: + clean_card_reference(card); + return ret; +} + +static const struct mtk_soundcard_pdata mt8365_mt6357_card = { + .card_name = "mt8365-mt6357", + .card_data = &(struct mtk_platform_card_data) { + .card = &mt8365_mt6357_soc_card, + }, + .soc_probe = mt8365_mt6357_dev_probe +}; + +static const struct of_device_id mt8365_mt6357_dt_match[] = { + { .compatible = "mediatek,mt8365-mt6357", .data = &mt8365_mt6357_card }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, mt8365_mt6357_dt_match); + +static struct platform_driver mt8365_mt6357_driver = { + .driver = { + .name = "mt8365_mt6357", + .of_match_table = mt8365_mt6357_dt_match, + .pm = &snd_soc_pm_ops, + }, + .probe = mtk_soundcard_common_probe, +}; + +module_platform_driver(mt8365_mt6357_driver); + +/* Module information */ +MODULE_DESCRIPTION("MT8365 EVK SoC machine driver"); +MODULE_AUTHOR("Nicolas Belin <nbelin@xxxxxxxxxxxx>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform: mt8365_mt6357"); -- 2.25.1