sound/soc/mediatek/mt8186/mt8186-misc-control.c

Source file repositories/reference/linux-study-clean/sound/soc/mediatek/mt8186/mt8186-misc-control.c

File Facts

System
Linux kernel
Corpus path
sound/soc/mediatek/mt8186/mt8186-misc-control.c
Extension
.c
Size
7530 bytes
Lines
253
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 Misc Control
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>

#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
#include <linux/regmap.h>
#include <sound/soc.h>

#include "../common/mtk-afe-fe-dai.h"
#include "../common/mtk-afe-platform-driver.h"
#include "mt8186-afe-common.h"

static const char * const mt8186_sgen_mode_str[] = {
	"I0I1",   "I2",     "I3I4",   "I5I6",
	"I7I8",   "I9I22",  "I10I11", "I12I13",
	"I14I21", "I15I16", "I17I18", "I19I20",
	"I23I24", "I25I26", "I27I28", "I33",
	"I34I35", "I36I37", "I38I39", "I40I41",
	"I42I43", "I44I45", "I46I47", "I48I49",
	"I56I57", "I58I59", "I60I61", "I62I63",
	"O0O1",   "O2",     "O3O4",   "O5O6",
	"O7O8",   "O9O10",  "O11",    "O12",
	"O13O14", "O15O16", "O17O18", "O19O20",
	"O21O22", "O23O24", "O25",    "O28O29",
	"O34",    "O35",    "O32O33", "O36O37",
	"O38O39", "O30O31", "O40O41", "O42O43",
	"O44O45", "O46O47", "O48O49", "O50O51",
	"O58O59", "O60O61", "O62O63", "O64O65",
	"O66O67", "O68O69", "O26O27", "OFF",
};

static const int mt8186_sgen_mode_idx[] = {
	0, 2, 4, 6,
	8, 22, 10, 12,
	14, -1, 18, 20,
	24, 26, 28, 33,
	34, 36, 38, 40,
	42, 44, 46, 48,
	56, 58, 60, 62,
	128, 130, 132, 134,
	135, 138, 139, 140,
	142, 144, 166, 148,
	150, 152, 153, 156,
	162, 163, 160, 164,
	166, -1, 168, 170,
	172, 174, 176, 178,
	186, 188, 190, 192,
	194, 196, -1, -1,
};

static const char * const mt8186_sgen_rate_str[] = {
	"8K", "11K", "12K", "16K",
	"22K", "24K", "32K", "44K",
	"48K", "88k", "96k", "176k",
	"192k"
};

static const int mt8186_sgen_rate_idx[] = {
	0, 1, 2, 4,
	5, 6, 8, 9,
	10, 11, 12, 13,
	14
};

/* this order must match reg bit amp_div_ch1/2 */
static const char * const mt8186_sgen_amp_str[] = {
	"1/128", "1/64", "1/32", "1/16", "1/8", "1/4", "1/2", "1" };

static int mt8186_sgen_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *cmpnt = snd_kcontrol_chip(kcontrol);
	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
	struct mt8186_afe_private *afe_priv = afe->platform_priv;

	ucontrol->value.integer.value[0] = afe_priv->sgen_mode;

	return 0;
}

static int mt8186_sgen_set(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *cmpnt = snd_kcontrol_chip(kcontrol);
	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);

Annotation

Implementation Notes