/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/sound
Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/sound/sof.h (4031B)
/* 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) 2018 Intel Corporation. All rights reserved.
*
* Author: Liam Girdwood
*/
#ifndef __INCLUDE_SOUND_SOF_H
#define __INCLUDE_SOUND_SOF_H
#include
#include
#include
struct snd_sof_dsp_ops;
struct snd_sof_dev;
/**
* enum sof_fw_state - DSP firmware state definitions
* @SOF_FW_BOOT_NOT_STARTED: firmware boot is not yet started
* @SOF_DSPLESS_MODE: DSP is not used
* @SOF_FW_BOOT_PREPARE: preparing for boot (firmware loading for exaqmple)
* @SOF_FW_BOOT_IN_PROGRESS: firmware boot is in progress
* @SOF_FW_BOOT_FAILED: firmware boot failed
* @SOF_FW_BOOT_READY_FAILED: firmware booted but fw_ready op failed
* @SOF_FW_BOOT_READY_OK: firmware booted and fw_ready op passed
* @SOF_FW_BOOT_COMPLETE: firmware is booted up and functional
* @SOF_FW_CRASHED: firmware crashed after successful boot
*/
enum sof_fw_state {
SOF_FW_BOOT_NOT_STARTED = 0,
SOF_DSPLESS_MODE,
SOF_FW_BOOT_PREPARE,
SOF_FW_BOOT_IN_PROGRESS,
SOF_FW_BOOT_FAILED,
SOF_FW_BOOT_READY_FAILED,
SOF_FW_BOOT_READY_OK,
SOF_FW_BOOT_COMPLETE,
SOF_FW_CRASHED,
};
/* DSP power states */
enum sof_dsp_power_states {
SOF_DSP_PM_D0,
SOF_DSP_PM_D1,
SOF_DSP_PM_D2,
SOF_DSP_PM_D3,
};
/* Definitions for multiple IPCs */
enum sof_ipc_type {
SOF_IPC,
SOF_INTEL_IPC4,
SOF_IPC_TYPE_COUNT
};
/*
* SOF Platform data.
*/
struct snd_sof_pdata {
const char *name;
const char *platform;
struct device *dev;
/*
* notification callback used if the hardware initialization
* can take time or is handled in a workqueue. This callback
* can be used by the caller to e.g. enable runtime_pm
* or limit functionality until all low-level inits are
* complete.
*/
void (*sof_probe_complete)(struct device *dev);
/* descriptor */
const struct sof_dev_desc *desc;
/* firmware and topology filenames */
const char *fw_filename_prefix;
const char *fw_filename;
const char *tplg_filename_prefix;
const char *tplg_filename;
/* loadable external libraries available under this directory */
const char *fw_lib_prefix;
/* machine */
struct platform_device *pdev_mach;
const struct snd_soc_acpi_mach *machine;
const struct snd_sof_of_mach *of_machine;
void *hw_pdata;
enum sof_ipc_type ipc_type;
};
/*
* Descriptor used for setting up SOF platform data. This is used when
* ACPI/PCI data is missing or mapped differently.
*/
struct sof_dev_desc {
/* list of machines using this configuration */
struct snd_soc_acpi_mach *machines;
struct snd_sof_of_mach *of_machines;
/* alternate list of machines using this configuration */
struct snd_soc_acpi_mach *alt_machines;
bool use_acpi_target_states;
/* Platform resource indexes in BAR / ACPI resources. */
/* Must set to -1 if not used - add new items to end */
int resindex_lpe_base;
int resindex_pcicfg_base;
int resindex_imr_base;
int irqindex_host_ipc;
/* IPC timeouts in ms */
int ipc_timeout;
int boot_timeout;
/* chip information for dsp */
const void *chip_info;
/* defaults for no codec mode */
const char *nocodec_tplg_filename;
/* information on supported IPCs */
unsigned int ipc_supported_mask;
enum sof_ipc_type ipc_default;
/* The platform supports DSPless mode */
bool dspless_mode_supported;
/* defaults paths for firmware, library and topology files */
const char *default_fw_path[SOF_IPC_TYPE_COUNT];
const char *default_lib_path[SOF_IPC_TYPE_COUNT];
const char *default_tplg_path[SOF_IPC_TYPE_COUNT];
/* default firmware name */
const char *default_fw_filename[SOF_IPC_TYPE_COUNT];
struct snd_sof_dsp_ops *ops;
int (*ops_init)(struct snd_sof_dev *sdev);
void (*ops_free)(struct snd_sof_dev *sdev);
};
int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);
#endif