root/sound/soc/mediatek/mt6797/mt6797-mt6351.c
// SPDX-License-Identifier: GPL-2.0
//
// mt6797-mt6351.c  --  MT6797 MT6351 ALSA SoC machine driver
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>

#include <linux/module.h>
#include <sound/soc.h>

#include "mt6797-afe-common.h"

SND_SOC_DAILINK_DEFS(playback_1,
        DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(playback_2,
        DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(playback_3,
        DAILINK_COMP_ARRAY(COMP_CPU("DL3")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(capture_1,
        DAILINK_COMP_ARRAY(COMP_CPU("UL1")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(capture_2,
        DAILINK_COMP_ARRAY(COMP_CPU("UL2")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(capture_3,
        DAILINK_COMP_ARRAY(COMP_CPU("UL3")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(capture_mono_1,
        DAILINK_COMP_ARRAY(COMP_CPU("UL_MONO_1")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(hostless_lpbk,
        DAILINK_COMP_ARRAY(COMP_CPU("Hostless LPBK DAI")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(hostless_speech,
        DAILINK_COMP_ARRAY(COMP_CPU("Hostless Speech DAI")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(primary_codec,
        DAILINK_COMP_ARRAY(COMP_CPU("ADDA")),
        DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "mt6351-snd-codec-aif1")),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(pcm1,
        DAILINK_COMP_ARRAY(COMP_CPU("PCM 1")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

SND_SOC_DAILINK_DEFS(pcm2,
        DAILINK_COMP_ARRAY(COMP_CPU("PCM 2")),
        DAILINK_COMP_ARRAY(COMP_DUMMY()),
        DAILINK_COMP_ARRAY(COMP_EMPTY()));

static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = {
        /* FE */
        {
                .name = "Playback_1",
                .stream_name = "Playback_1",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .playback_only = 1,
                SND_SOC_DAILINK_REG(playback_1),
        },
        {
                .name = "Playback_2",
                .stream_name = "Playback_2",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .playback_only = 1,
                SND_SOC_DAILINK_REG(playback_2),
        },
        {
                .name = "Playback_3",
                .stream_name = "Playback_3",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .playback_only = 1,
                SND_SOC_DAILINK_REG(playback_3),
        },
        {
                .name = "Capture_1",
                .stream_name = "Capture_1",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .capture_only = 1,
                SND_SOC_DAILINK_REG(capture_1),
        },
        {
                .name = "Capture_2",
                .stream_name = "Capture_2",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .capture_only = 1,
                SND_SOC_DAILINK_REG(capture_2),
        },
        {
                .name = "Capture_3",
                .stream_name = "Capture_3",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .capture_only = 1,
                SND_SOC_DAILINK_REG(capture_3),
        },
        {
                .name = "Capture_Mono_1",
                .stream_name = "Capture_Mono_1",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .capture_only = 1,
                SND_SOC_DAILINK_REG(capture_mono_1),
        },
        {
                .name = "Hostless_LPBK",
                .stream_name = "Hostless_LPBK",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .ignore_suspend = 1,
                SND_SOC_DAILINK_REG(hostless_lpbk),
        },
        {
                .name = "Hostless_Speech",
                .stream_name = "Hostless_Speech",
                .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .ignore_suspend = 1,
                SND_SOC_DAILINK_REG(hostless_speech),
        },
        /* BE */
        {
                .name = "Primary Codec",
                .no_pcm = 1,
                .ignore_suspend = 1,
                SND_SOC_DAILINK_REG(primary_codec),
        },
        {
                .name = "PCM 1",
                .no_pcm = 1,
                .ignore_suspend = 1,
                SND_SOC_DAILINK_REG(pcm1),
        },
        {
                .name = "PCM 2",
                .no_pcm = 1,
                .ignore_suspend = 1,
                SND_SOC_DAILINK_REG(pcm2),
        },
};

static struct snd_soc_card mt6797_mt6351_card = {
        .name = "mt6797-mt6351",
        .owner = THIS_MODULE,
        .dai_link = mt6797_mt6351_dai_links,
        .num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),
};

static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
{
        struct snd_soc_card *card = &mt6797_mt6351_card;
        struct device_node *platform_node, *codec_node;
        struct snd_soc_dai_link *dai_link;
        int ret, i;

        card->dev = &pdev->dev;

        platform_node = of_parse_phandle(pdev->dev.of_node,
                                         "mediatek,platform", 0);
        if (!platform_node) {
                dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
                return -EINVAL;
        }
        for_each_card_prelinks(card, i, dai_link) {
                if (dai_link->platforms->name)
                        continue;
                dai_link->platforms->of_node = platform_node;
        }

        codec_node = of_parse_phandle(pdev->dev.of_node,
                                      "mediatek,audio-codec", 0);
        if (!codec_node) {
                dev_err(&pdev->dev,
                        "Property 'audio-codec' missing or invalid\n");
                ret = -EINVAL;
                goto put_platform_node;
        }
        for_each_card_prelinks(card, i, dai_link) {
                if (dai_link->codecs->name)
                        continue;
                dai_link->codecs->of_node = codec_node;
        }

        ret = devm_snd_soc_register_card(&pdev->dev, card);
        if (ret)
                dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
                        __func__, ret);

        of_node_put(codec_node);
put_platform_node:
        of_node_put(platform_node);
        return ret;
}

#ifdef CONFIG_OF
static const struct of_device_id mt6797_mt6351_dt_match[] = {
        {.compatible = "mediatek,mt6797-mt6351-sound",},
        {}
};
MODULE_DEVICE_TABLE(of, mt6797_mt6351_dt_match);
#endif

static struct platform_driver mt6797_mt6351_driver = {
        .driver = {
                .name = "mt6797-mt6351",
#ifdef CONFIG_OF
                .of_match_table = mt6797_mt6351_dt_match,
#endif
        },
        .probe = mt6797_mt6351_dev_probe,
};

module_platform_driver(mt6797_mt6351_driver);

/* Module information */
MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");
MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("mt6797 mt6351 soc card");