119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// MediaTek ALSA SoC Audio DAI Hostless Control
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//
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// Copyright (c) 2018 MediaTek Inc.
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// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
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#include "mt6797-afe-common.h"
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/* dai component */
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static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {
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/* Hostless ADDA Loopback */
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{"ADDA_DL_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},
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{"ADDA_DL_CH1", "ADDA_UL_CH2", "Hostless LPBK DL"},
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{"ADDA_DL_CH2", "ADDA_UL_CH1", "Hostless LPBK DL"},
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{"ADDA_DL_CH2", "ADDA_UL_CH2", "Hostless LPBK DL"},
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{"Hostless LPBK UL", NULL, "ADDA Capture"},
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/* Hostless Speech */
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{"ADDA_DL_CH1", "PCM_1_CAP_CH1", "Hostless Speech DL"},
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{"ADDA_DL_CH2", "PCM_1_CAP_CH1", "Hostless Speech DL"},
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{"ADDA_DL_CH2", "PCM_1_CAP_CH2", "Hostless Speech DL"},
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{"ADDA_DL_CH1", "PCM_2_CAP_CH1", "Hostless Speech DL"},
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{"ADDA_DL_CH2", "PCM_2_CAP_CH1", "Hostless Speech DL"},
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{"ADDA_DL_CH2", "PCM_2_CAP_CH2", "Hostless Speech DL"},
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{"PCM_1_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
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{"PCM_1_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
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{"PCM_2_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
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{"PCM_2_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
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{"Hostless Speech UL", NULL, "PCM 1 Capture"},
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{"Hostless Speech UL", NULL, "PCM 2 Capture"},
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{"Hostless Speech UL", NULL, "ADDA Capture"},
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};
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/* dai ops */
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static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
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return snd_soc_set_runtime_hwparams(substream, afe->mtk_afe_hardware);
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}
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static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {
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.startup = mtk_dai_hostless_startup,
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};
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/* dai driver */
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#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\
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SNDRV_PCM_RATE_88200 |\
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SNDRV_PCM_RATE_96000 |\
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SNDRV_PCM_RATE_176400 |\
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SNDRV_PCM_RATE_192000)
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#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
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SNDRV_PCM_FMTBIT_S24_LE |\
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SNDRV_PCM_FMTBIT_S32_LE)
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static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {
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{
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.name = "Hostless LPBK DAI",
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.id = MT6797_DAI_HOSTLESS_LPBK,
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.playback = {
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.stream_name = "Hostless LPBK DL",
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.channels_min = 1,
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.channels_max = 2,
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.rates = MTK_HOSTLESS_RATES,
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.formats = MTK_HOSTLESS_FORMATS,
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},
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.capture = {
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.stream_name = "Hostless LPBK UL",
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.channels_min = 1,
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.channels_max = 2,
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.rates = MTK_HOSTLESS_RATES,
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.formats = MTK_HOSTLESS_FORMATS,
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},
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.ops = &mtk_dai_hostless_ops,
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},
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{
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.name = "Hostless Speech DAI",
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.id = MT6797_DAI_HOSTLESS_SPEECH,
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.playback = {
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.stream_name = "Hostless Speech DL",
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.channels_min = 1,
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.channels_max = 2,
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.rates = MTK_HOSTLESS_RATES,
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.formats = MTK_HOSTLESS_FORMATS,
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},
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.capture = {
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.stream_name = "Hostless Speech UL",
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.channels_min = 1,
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.channels_max = 2,
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.rates = MTK_HOSTLESS_RATES,
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.formats = MTK_HOSTLESS_FORMATS,
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},
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.ops = &mtk_dai_hostless_ops,
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},
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};
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int mt6797_dai_hostless_register(struct mtk_base_afe *afe)
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{
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struct mtk_base_afe_dai *dai;
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dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
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if (!dai)
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return -ENOMEM;
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list_add(&dai->list, &afe->sub_dais);
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dai->dai_drivers = mtk_dai_hostless_driver;
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dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);
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dai->dapm_routes = mtk_dai_hostless_routes;
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dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);
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return 0;
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}
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