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// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI Hostless Control
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>

#include "mt8186-afe-common.h"

static const struct snd_pcm_hardware mt8186_hostless_hardware = {
	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
		 SNDRV_PCM_INFO_MMAP_VALID),
	.period_bytes_min = 256,
	.period_bytes_max = 4 * 48 * 1024,
	.periods_min = 2,
	.periods_max = 256,
	.buffer_bytes_max = 4 * 48 * 1024,
	.fifo_size = 0,
};

/* dai component */
static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {
	/* Hostless ADDA Loopback */
	{"ADDA_DL_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
	{"ADDA_DL_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
	{"ADDA_DL_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
	{"ADDA_DL_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
	{"I2S1_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
	{"I2S1_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
	{"I2S3_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
	{"I2S3_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
	{"I2S3_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
	{"I2S3_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
	{"Hostless LPBK UL", NULL, "ADDA_UL_Mux"},

	/* Hostelss FM */
	/* connsys_i2s to hw gain 1*/
	{"Hostless FM UL", NULL, "Connsys I2S"},

	{"HW_GAIN1_IN_CH1", "CONNSYS_I2S_CH1 Switch", "Hostless FM DL"},
	{"HW_GAIN1_IN_CH2", "CONNSYS_I2S_CH2 Switch", "Hostless FM DL"},
	/* hw gain to adda dl */
	{"Hostless FM UL", NULL, "HW Gain 1 Out"},

	{"ADDA_DL_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},
	{"ADDA_DL_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},
	/* hw gain to i2s3 */
	{"I2S3_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},
	{"I2S3_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},
	/* hw gain to i2s1 */
	{"I2S1_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},
	{"I2S1_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},

	/* Hostless_SRC */
	{"ADDA_DL_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},
	{"ADDA_DL_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},
	{"I2S1_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},
	{"I2S1_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},
	{"I2S3_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},
	{"I2S3_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},
	{"Hostless_SRC_1_UL", NULL, "HW_SRC_1_Out"},

	/* Hostless_SRC_bargein */
	{"HW_SRC_1_IN_CH1", "I2S0_CH1 Switch", "Hostless_SRC_Bargein_DL"},
	{"HW_SRC_1_IN_CH2", "I2S0_CH2 Switch", "Hostless_SRC_Bargein_DL"},
	{"Hostless_SRC_Bargein_UL", NULL, "I2S0"},

	/* Hostless AAudio */
	{"Hostless HW Gain AAudio In", NULL, "HW Gain 2 In"},
	{"Hostless SRC AAudio UL", NULL, "HW Gain 2 Out"},
	{"HW_SRC_2_IN_CH1", "HW_GAIN2_OUT_CH1 Switch", "Hostless SRC AAudio DL"},
	{"HW_SRC_2_IN_CH2", "HW_GAIN2_OUT_CH2 Switch", "Hostless SRC AAudio DL"},
};

/* 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);
	struct snd_pcm_runtime *runtime = substream->runtime;
	int ret;

	snd_soc_set_runtime_hwparams(substream, &mt8186_hostless_hardware);

	ret = snd_pcm_hw_constraint_integer(runtime,
					    SNDRV_PCM_HW_PARAM_PERIODS);
	if (ret < 0) {
		dev_err(afe->dev, "snd_pcm_hw_constraint_integer failed\n");
		return ret;
	}

	return 0;
}

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 = MT8186_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 FM DAI",
		.id = MT8186_DAI_HOSTLESS_FM,
		.playback = {
			.stream_name = "Hostless FM DL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.capture = {
			.stream_name = "Hostless FM UL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless_SRC_1_DAI",
		.id = MT8186_DAI_HOSTLESS_SRC_1,
		.playback = {
			.stream_name = "Hostless_SRC_1_DL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.capture = {
			.stream_name = "Hostless_SRC_1_UL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless_SRC_Bargein_DAI",
		.id = MT8186_DAI_HOSTLESS_SRC_BARGEIN,
		.playback = {
			.stream_name = "Hostless_SRC_Bargein_DL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.capture = {
			.stream_name = "Hostless_SRC_Bargein_UL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	/* BE dai */
	{
		.name = "Hostless_UL1 DAI",
		.id = MT8186_DAI_HOSTLESS_UL1,
		.capture = {
			.stream_name = "Hostless_UL1 UL",
			.channels_min = 1,
			.channels_max = 4,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless_UL2 DAI",
		.id = MT8186_DAI_HOSTLESS_UL2,
		.capture = {
			.stream_name = "Hostless_UL2 UL",
			.channels_min = 1,
			.channels_max = 4,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless_UL3 DAI",
		.id = MT8186_DAI_HOSTLESS_UL3,
		.capture = {
			.stream_name = "Hostless_UL3 UL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless_UL5 DAI",
		.id = MT8186_DAI_HOSTLESS_UL5,
		.capture = {
			.stream_name = "Hostless_UL5 UL",
			.channels_min = 1,
			.channels_max = 12,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless_UL6 DAI",
		.id = MT8186_DAI_HOSTLESS_UL6,
		.capture = {
			.stream_name = "Hostless_UL6 UL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless HW Gain AAudio DAI",
		.id = MT8186_DAI_HOSTLESS_HW_GAIN_AAUDIO,
		.capture = {
			.stream_name = "Hostless HW Gain AAudio In",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
	{
		.name = "Hostless SRC AAudio DAI",
		.id = MT8186_DAI_HOSTLESS_SRC_AAUDIO,
		.playback = {
			.stream_name = "Hostless SRC AAudio DL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.capture = {
			.stream_name = "Hostless SRC AAudio UL",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_HOSTLESS_RATES,
			.formats = MTK_HOSTLESS_FORMATS,
		},
		.ops = &mtk_dai_hostless_ops,
	},
};

int mt8186_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;
}