ASoC: mediatek: mt8186: support hostless in platform driver

Add mt8186 hostless dai driver.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220523132858.22166-6-jiaxin.yu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c b/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c
new file mode 100644 (file)
index 0000000..bf0d838
--- /dev/null
+++ b/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c
@@ -0,0 +1,298 @@
+// 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;
+}