cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mt6797-dai-hostless.c (3423B)

      1// SPDX-License-Identifier: GPL-2.0
      2//
      3// MediaTek ALSA SoC Audio DAI Hostless Control
      4//
      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}