sound/soc/mediatek/mt8183/mt8183-dai-pcm.c

Source file repositories/reference/linux-study-clean/sound/soc/mediatek/mt8183/mt8183-dai-pcm.c

File Facts

System
Linux kernel
Corpus path
sound/soc/mediatek/mt8183/mt8183-dai-pcm.c
Extension
.c
Size
8992 bytes
Lines
320
Domain
Driver Families
Bucket
sound/soc
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI I2S Control
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>

#include <linux/regmap.h>
#include <sound/pcm_params.h>
#include "mt8183-afe-common.h"
#include "mt8183-interconnection.h"
#include "mt8183-reg.h"

enum AUD_TX_LCH_RPT {
	AUD_TX_LCH_RPT_NO_REPEAT = 0,
	AUD_TX_LCH_RPT_REPEAT = 1
};

enum AUD_VBT_16K_MODE {
	AUD_VBT_16K_MODE_DISABLE = 0,
	AUD_VBT_16K_MODE_ENABLE = 1
};

enum AUD_EXT_MODEM {
	AUD_EXT_MODEM_SELECT_INTERNAL = 0,
	AUD_EXT_MODEM_SELECT_EXTERNAL = 1
};

enum AUD_PCM_SYNC_TYPE {
	/* bck sync length = 1 */
	AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,
	/* bck sync length = PCM_INTF_CON1[9:13] */
	AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1
};

enum AUD_BT_MODE {
	AUD_BT_MODE_DUAL_MIC_ON_TX = 0,
	AUD_BT_MODE_SINGLE_MIC_ON_TX = 1
};

enum AUD_PCM_AFIFO_SRC {
	/* slave mode & external modem uses different crystal */
	AUD_PCM_AFIFO_ASRC = 0,
	/* slave mode & external modem uses the same crystal */
	AUD_PCM_AFIFO_AFIFO = 1
};

enum AUD_PCM_CLOCK_SOURCE {
	AUD_PCM_CLOCK_MASTER_MODE = 0,
	AUD_PCM_CLOCK_SLAVE_MODE = 1
};

enum AUD_PCM_WLEN {
	AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,
	AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1
};

enum AUD_PCM_MODE {
	AUD_PCM_MODE_PCM_MODE_8K = 0,
	AUD_PCM_MODE_PCM_MODE_16K = 1,
	AUD_PCM_MODE_PCM_MODE_32K = 2,
	AUD_PCM_MODE_PCM_MODE_48K = 3,
};

enum AUD_PCM_FMT {
	AUD_PCM_FMT_I2S = 0,
	AUD_PCM_FMT_EIAJ = 1,
	AUD_PCM_FMT_PCM_MODE_A = 2,
	AUD_PCM_FMT_PCM_MODE_B = 3
};

enum AUD_BCLK_OUT_INV {
	AUD_BCLK_OUT_INV_NO_INVERSE = 0,
	AUD_BCLK_OUT_INV_INVERSE = 1
};

enum AUD_PCM_EN {
	AUD_PCM_EN_DISABLE = 0,
	AUD_PCM_EN_ENABLE = 1
};

/* dai component */
static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7,
				    I_ADDA_UL_CH1, 1, 0),
	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7,
				    I_DL2_CH1, 1, 0),
};

static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {

Annotation

Implementation Notes