Current File : //proc/thread-self/root/usr/include/sound/sof/fw.h
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) 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.
*/
/*
* Firmware file format .
*/
#ifndef __INCLUDE_UAPI_SOF_FW_H__
#define __INCLUDE_UAPI_SOF_FW_H__
#include <linux/types.h>
#define SND_SOF_FW_SIG_SIZE 4
#define SND_SOF_FW_ABI 1
#define SND_SOF_FW_SIG "Reef"
/*
* Firmware module is made up of 1 . N blocks of different types. The
* Block header is used to determine where and how block is to be copied in the
* DSP/host memory space.
*/
enum snd_sof_fw_blk_type {
SOF_FW_BLK_TYPE_INVALID = -1,
SOF_FW_BLK_TYPE_START = 0,
SOF_FW_BLK_TYPE_RSRVD0 = SOF_FW_BLK_TYPE_START,
SOF_FW_BLK_TYPE_IRAM = 1, /* local instruction RAM */
SOF_FW_BLK_TYPE_DRAM = 2, /* local data RAM */
SOF_FW_BLK_TYPE_SRAM = 3, /* system RAM */
SOF_FW_BLK_TYPE_ROM = 4,
SOF_FW_BLK_TYPE_IMR = 5,
SOF_FW_BLK_TYPE_RSRVD6 = 6,
SOF_FW_BLK_TYPE_RSRVD7 = 7,
SOF_FW_BLK_TYPE_RSRVD8 = 8,
SOF_FW_BLK_TYPE_RSRVD9 = 9,
SOF_FW_BLK_TYPE_RSRVD10 = 10,
SOF_FW_BLK_TYPE_RSRVD11 = 11,
SOF_FW_BLK_TYPE_RSRVD12 = 12,
SOF_FW_BLK_TYPE_RSRVD13 = 13,
SOF_FW_BLK_TYPE_RSRVD14 = 14,
/* use SOF_FW_BLK_TYPE_RSVRDX for new block types */
SOF_FW_BLK_TYPE_NUM
};
struct snd_sof_blk_hdr {
enum snd_sof_fw_blk_type type;
__u32 size; /* bytes minus this header */
__u32 offset; /* offset from base */
} __attribute__((packed));
/*
* Firmware file is made up of 1 .. N different modules types. The module
* type is used to determine how to load and parse the module.
*/
enum snd_sof_fw_mod_type {
SOF_FW_BASE = 0, /* base firmware image */
SOF_FW_MODULE = 1, /* firmware module */
};
struct snd_sof_mod_hdr {
enum snd_sof_fw_mod_type type;
__u32 size; /* bytes minus this header */
__u32 num_blocks; /* number of blocks */
} __attribute__((packed));
/*
* Firmware file header.
*/
struct snd_sof_fw_header {
unsigned char sig[SND_SOF_FW_SIG_SIZE]; /* "Reef" */
__u32 file_size; /* size of file minus this header */
__u32 num_modules; /* number of modules */
__u32 abi; /* version of header format */
} __attribute__((packed));
#endif
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