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1// SPDX-License-Identifier: GPL-2.02//3// MediaTek ALSA SoC Audio DAI Hostless Control4//5// Copyright (c) 2018 MediaTek Inc.6// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>7 8#include "mt6797-afe-common.h"9 10/* dai component */11static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {12 /* Hostless ADDA Loopback */13 {"ADDA_DL_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},14 {"ADDA_DL_CH1", "ADDA_UL_CH2", "Hostless LPBK DL"},15 {"ADDA_DL_CH2", "ADDA_UL_CH1", "Hostless LPBK DL"},16 {"ADDA_DL_CH2", "ADDA_UL_CH2", "Hostless LPBK DL"},17 {"Hostless LPBK UL", NULL, "ADDA Capture"},18 19 /* Hostless Speech */20 {"ADDA_DL_CH1", "PCM_1_CAP_CH1", "Hostless Speech DL"},21 {"ADDA_DL_CH2", "PCM_1_CAP_CH1", "Hostless Speech DL"},22 {"ADDA_DL_CH2", "PCM_1_CAP_CH2", "Hostless Speech DL"},23 {"ADDA_DL_CH1", "PCM_2_CAP_CH1", "Hostless Speech DL"},24 {"ADDA_DL_CH2", "PCM_2_CAP_CH1", "Hostless Speech DL"},25 {"ADDA_DL_CH2", "PCM_2_CAP_CH2", "Hostless Speech DL"},26 {"PCM_1_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},27 {"PCM_1_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},28 {"PCM_2_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},29 {"PCM_2_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},30 31 {"Hostless Speech UL", NULL, "PCM 1 Capture"},32 {"Hostless Speech UL", NULL, "PCM 2 Capture"},33 {"Hostless Speech UL", NULL, "ADDA Capture"},34};35 36/* dai ops */37static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream,38 struct snd_soc_dai *dai)39{40 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);41 42 return snd_soc_set_runtime_hwparams(substream, afe->mtk_afe_hardware);43}44 45static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {46 .startup = mtk_dai_hostless_startup,47};48 49/* dai driver */50#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\51 SNDRV_PCM_RATE_88200 |\52 SNDRV_PCM_RATE_96000 |\53 SNDRV_PCM_RATE_176400 |\54 SNDRV_PCM_RATE_192000)55 56#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\57 SNDRV_PCM_FMTBIT_S24_LE |\58 SNDRV_PCM_FMTBIT_S32_LE)59 60static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {61 {62 .name = "Hostless LPBK DAI",63 .id = MT6797_DAI_HOSTLESS_LPBK,64 .playback = {65 .stream_name = "Hostless LPBK DL",66 .channels_min = 1,67 .channels_max = 2,68 .rates = MTK_HOSTLESS_RATES,69 .formats = MTK_HOSTLESS_FORMATS,70 },71 .capture = {72 .stream_name = "Hostless LPBK UL",73 .channels_min = 1,74 .channels_max = 2,75 .rates = MTK_HOSTLESS_RATES,76 .formats = MTK_HOSTLESS_FORMATS,77 },78 .ops = &mtk_dai_hostless_ops,79 },80 {81 .name = "Hostless Speech DAI",82 .id = MT6797_DAI_HOSTLESS_SPEECH,83 .playback = {84 .stream_name = "Hostless Speech DL",85 .channels_min = 1,86 .channels_max = 2,87 .rates = MTK_HOSTLESS_RATES,88 .formats = MTK_HOSTLESS_FORMATS,89 },90 .capture = {91 .stream_name = "Hostless Speech UL",92 .channels_min = 1,93 .channels_max = 2,94 .rates = MTK_HOSTLESS_RATES,95 .formats = MTK_HOSTLESS_FORMATS,96 },97 .ops = &mtk_dai_hostless_ops,98 },99};100 101int mt6797_dai_hostless_register(struct mtk_base_afe *afe)102{103 struct mtk_base_afe_dai *dai;104 105 dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);106 if (!dai)107 return -ENOMEM;108 109 list_add(&dai->list, &afe->sub_dais);110 111 dai->dai_drivers = mtk_dai_hostless_driver;112 dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);113 114 dai->dapm_routes = mtk_dai_hostless_routes;115 dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);116 117 return 0;118}119