sound/soc/sof/amd/vangogh.c

Source file repositories/reference/linux-study-clean/sound/soc/sof/amd/vangogh.c

File Facts

System
Linux kernel
Corpus path
sound/soc/sof/amd/vangogh.c
Extension
.c
Size
4738 bytes
Lines
178
Domain
Driver Families
Bucket
sound/soc
Inferred role
Driver Families: exported/initcall integration point
Status
integration 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-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2023 Advanced Micro Devices, Inc.
//
// Authors: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>

/*
 * Hardware interface for Audio DSP on Vangogh platform
 */

#include <linux/delay.h>
#include <linux/module.h>

#include "acp.h"

#define I2S_HS_INSTANCE		0
#define I2S_BT_INSTANCE		1
#define I2S_SP_INSTANCE		2
#define PDM_DMIC_INSTANCE	3
#define I2S_HS_VIRTUAL_INSTANCE	4

static struct snd_soc_dai_driver vangogh_sof_dai[] = {
	[I2S_HS_INSTANCE] = {
		.id = I2S_HS_INSTANCE,
		.name = "acp-sof-hs",
		.playback = {
			.rates = SNDRV_PCM_RATE_8000_96000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
			.channels_min = 2,
			.channels_max = 8,
			.rate_min = 8000,
			.rate_max = 96000,
		},
		.capture = {
			.rates = SNDRV_PCM_RATE_8000_48000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
			/* Supporting only stereo for I2S HS controller capture */
			.channels_min = 2,
			.channels_max = 2,
			.rate_min = 8000,
			.rate_max = 48000,
		},
	},

	[I2S_BT_INSTANCE] = {
		.id = I2S_BT_INSTANCE,
		.name = "acp-sof-bt",
		.playback = {
			.rates = SNDRV_PCM_RATE_8000_96000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
			.channels_min = 2,
			.channels_max = 8,
			.rate_min = 8000,
			.rate_max = 96000,
		},
		.capture = {
			.rates = SNDRV_PCM_RATE_8000_48000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
			/* Supporting only stereo for I2S BT controller capture */
			.channels_min = 2,
			.channels_max = 2,
			.rate_min = 8000,
			.rate_max = 48000,
		},
	},

	[I2S_SP_INSTANCE] = {
		.id = I2S_SP_INSTANCE,
		.name = "acp-sof-sp",
		.playback = {
			.rates = SNDRV_PCM_RATE_8000_96000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
			.channels_min = 2,
			.channels_max = 8,
			.rate_min = 8000,
			.rate_max = 96000,
		},
		.capture = {
			.rates = SNDRV_PCM_RATE_8000_48000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
			/* Supporting only stereo for I2S SP controller capture */

Annotation

Implementation Notes