[PATCH 04/15] ASoC: mediatek: mt8186: support hostless in platform driver

[Jiaxin Yu <jiaxin.yu@mediatek.com>]

This patch adds mt8186 hostless dai driver.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
---
 .../soc/mediatek/mt8186/mt8186-dai-hostless.c | 296 ++++++++++++++++++
 1 file changed, 296 insertions(+)
 create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-hostless.c

diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c b/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c
new file mode 100644
index 000000000000..bc1f32a0c9d9
--- /dev/null
+++ b/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c
@@ -0,0 +1,296 @@
+// 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", "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"},
+	{"I2S1_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},
+	{"I2S1_CH2", "ADDA_UL_CH2", "Hostless LPBK DL"},
+	{"I2S3_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},
+	{"I2S3_CH1", "ADDA_UL_CH2", "Hostless LPBK DL"},
+	{"I2S3_CH2", "ADDA_UL_CH1", "Hostless LPBK DL"},
+	{"I2S3_CH2", "ADDA_UL_CH2", "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", "Hostless FM DL"},
+	{"HW_GAIN1_IN_CH2", "CONNSYS_I2S_CH2", "Hostless FM DL"},
+	/* hw gain to adda dl */
+	{"Hostless FM UL", NULL, "HW Gain 1 Out"},
+
+	{"ADDA_DL_CH1", "GAIN1_OUT_CH1", "Hostless FM DL"},
+	{"ADDA_DL_CH2", "GAIN1_OUT_CH2", "Hostless FM DL"},
+	/* hw gain to i2s3 */
+	{"I2S3_CH1", "GAIN1_OUT_CH1", "Hostless FM DL"},
+	{"I2S3_CH2", "GAIN1_OUT_CH2", "Hostless FM DL"},
+	/* hw gain to i2s1 */
+	{"I2S1_CH1", "GAIN1_OUT_CH1", "Hostless FM DL"},
+	{"I2S1_CH2", "GAIN1_OUT_CH2", "Hostless FM DL"},
+
+	/* Hostless_SRC */
+	{"ADDA_DL_CH1", "SRC_1_OUT_CH1", "Hostless_SRC_1_DL"},
+	{"ADDA_DL_CH2", "SRC_1_OUT_CH2", "Hostless_SRC_1_DL"},
+	{"I2S1_CH1", "SRC_1_OUT_CH1", "Hostless_SRC_1_DL"},
+	{"I2S1_CH2", "SRC_1_OUT_CH2", "Hostless_SRC_1_DL"},
+	{"I2S3_CH1", "SRC_1_OUT_CH1", "Hostless_SRC_1_DL"},
+	{"I2S3_CH2", "SRC_1_OUT_CH2", "Hostless_SRC_1_DL"},
+	{"Hostless_SRC_1_UL", NULL, "HW_SRC_1_Out"},
+
+	/* Hostless_SRC_bargein */
+	{"HW_SRC_1_IN_CH1", "I2S0_CH1", "Hostless_SRC_Bargein_DL"},
+	{"HW_SRC_1_IN_CH2", "I2S0_CH2", "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", "Hostless SRC AAudio DL"},
+	{"HW_SRC_2_IN_CH2", "HW_GAIN2_OUT_CH2", "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_info(afe->dev, "snd_pcm_hw_constraint_integer failed\n");
+	return ret;
+}
+
+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;
+}
-- 
2.18.0