sound/soc/amd/yc/acp6x-mach.c

Source file repositories/reference/linux-study-clean/sound/soc/amd/yc/acp6x-mach.c

File Facts

System
Linux kernel
Corpus path
sound/soc/amd/yc/acp6x-mach.c
Extension
.c
Size
19209 bytes
Lines
893
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+
/*
 * Machine driver for AMD Yellow Carp platform using DMIC
 *
 * Copyright 2021 Advanced Micro Devices, Inc.
 */

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/io.h>
#include <linux/dmi.h>
#include <linux/acpi.h>

#include "acp6x.h"

#define DRV_NAME "acp_yc_mach"

SND_SOC_DAILINK_DEF(acp6x_pdm,
		    DAILINK_COMP_ARRAY(COMP_CPU("acp_yc_pdm_dma.0")));

SND_SOC_DAILINK_DEF(dmic_codec,
		    DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
						  "dmic-hifi")));

SND_SOC_DAILINK_DEF(pdm_platform,
		    DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_yc_pdm_dma.0")));

static struct snd_soc_dai_link acp6x_dai_pdm[] = {
	{
		.name = "acp6x-dmic-capture",
		.stream_name = "DMIC capture",
		.capture_only = 1,
		SND_SOC_DAILINK_REG(acp6x_pdm, dmic_codec, pdm_platform),
	},
};

static struct snd_soc_card acp6x_card = {
	.name = "acp6x",
	.owner = THIS_MODULE,
	.dai_link = acp6x_dai_pdm,
	.num_links = 1,
};

static const struct dmi_system_id yc_acp_quirk_table[] = {
	{
		.driver_data = &acp6x_card,
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "Lecoo"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Bellator N176"),
		}
	},
	{
		.driver_data = &acp6x_card,
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
			DMI_MATCH(DMI_PRODUCT_NAME, "HP Laptop 15-fc0xxx"),
		}
	},
	{
		.driver_data = &acp6x_card,
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN Gaming Laptop 16-ap0xxx"),
		}
	},
	{
		.driver_data = &acp6x_card,
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "Dell Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5525"),
		}
	},
	{
		.driver_data = &acp6x_card,
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
			DMI_MATCH(DMI_PRODUCT_NAME, "21D0"),
		}
	},
	{
		.driver_data = &acp6x_card,
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
			DMI_MATCH(DMI_PRODUCT_NAME, "21D0"),
		}
	},
	{

Annotation

Implementation Notes