This patch adds mt8186 hostless dai driver.
Signed-off-by: Jiaxin Yu jiaxin.yu@mediatek.com --- .../soc/mediatek/mt8186/mt8186-dai-hostless.c | 295 ++++++++++++++++++ 1 file changed, 295 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..37460a3acc93 --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c @@ -0,0 +1,295 @@ +// 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_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; +}