// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI Hostless Control
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>

#include "mt6797-afe-common.h"

/* dai component */
static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {
        /* Hostless ADDA Loopback */
        {"ADDA_DL_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},
        {"ADDA_DL_CH1", "ADDA_UL_CH2", "Hostless LPBK DL"},
        {"ADDA_DL_CH2", "ADDA_UL_CH1", "Hostless LPBK DL"},
        {"ADDA_DL_CH2", "ADDA_UL_CH2", "Hostless LPBK DL"},
        {"Hostless LPBK UL", NULL, "ADDA Capture"},

        /* Hostless Speech */
        {"ADDA_DL_CH1", "PCM_1_CAP_CH1", "Hostless Speech DL"},
        {"ADDA_DL_CH2", "PCM_1_CAP_CH1", "Hostless Speech DL"},
        {"ADDA_DL_CH2", "PCM_1_CAP_CH2", "Hostless Speech DL"},
        {"ADDA_DL_CH1", "PCM_2_CAP_CH1", "Hostless Speech DL"},
        {"ADDA_DL_CH2", "PCM_2_CAP_CH1", "Hostless Speech DL"},
        {"ADDA_DL_CH2", "PCM_2_CAP_CH2", "Hostless Speech DL"},
        {"PCM_1_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
        {"PCM_1_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
        {"PCM_2_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
        {"PCM_2_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},

        {"Hostless Speech UL", NULL, "PCM 1 Capture"},
        {"Hostless Speech UL", NULL, "PCM 2 Capture"},
        {"Hostless Speech UL", NULL, "ADDA Capture"},
};

/* dai ops */
static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream,
                                    struct snd_soc_dai *dai)
{
        struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);

        return snd_soc_set_runtime_hwparams(substream, afe->mtk_afe_hardware);
}

static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {
        .startup = mtk_dai_hostless_startup,
};

/* dai driver */
#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\
                           SNDRV_PCM_RATE_88200 |\
                           SNDRV_PCM_RATE_96000 |\
                           SNDRV_PCM_RATE_176400 |\
                           SNDRV_PCM_RATE_192000)

#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
                             SNDRV_PCM_FMTBIT_S24_LE |\
                             SNDRV_PCM_FMTBIT_S32_LE)

static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {
        {
                .name = "Hostless LPBK DAI",
                .id = MT6797_DAI_HOSTLESS_LPBK,
                .playback = {
                        .stream_name = "Hostless LPBK DL",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = MTK_HOSTLESS_RATES,
                        .formats = MTK_HOSTLESS_FORMATS,
                },
                .capture = {
                        .stream_name = "Hostless LPBK UL",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = MTK_HOSTLESS_RATES,
                        .formats = MTK_HOSTLESS_FORMATS,
                },
                .ops = &mtk_dai_hostless_ops,
        },
        {
                .name = "Hostless Speech DAI",
                .id = MT6797_DAI_HOSTLESS_SPEECH,
                .playback = {
                        .stream_name = "Hostless Speech DL",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = MTK_HOSTLESS_RATES,
                        .formats = MTK_HOSTLESS_FORMATS,
                },
                .capture = {
                        .stream_name = "Hostless Speech UL",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = MTK_HOSTLESS_RATES,
                        .formats = MTK_HOSTLESS_FORMATS,
                },
                .ops = &mtk_dai_hostless_ops,
        },
};

int mt6797_dai_hostless_register(struct mtk_base_afe *afe)
{
        struct mtk_base_afe_dai *dai;

        dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
        if (!dai)
                return -ENOMEM;

        list_add(&dai->list, &afe->sub_dais);

        dai->dai_drivers = mtk_dai_hostless_driver;
        dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);

        dai->dapm_routes = mtk_dai_hostless_routes;
        dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);

        return 0;
}