// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI Hostless Control
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Jiaxin Yu <[email protected]>
#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;
}