81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* Copyright(c) 2018 Intel Corporation. All rights reserved.
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*/
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/*
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* Firmware file format .
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*/
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#ifndef __INCLUDE_UAPI_SOF_FW_H__
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#define __INCLUDE_UAPI_SOF_FW_H__
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#include <linux/types.h>
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#define SND_SOF_FW_SIG_SIZE 4
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#define SND_SOF_FW_ABI 1
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#define SND_SOF_FW_SIG "Reef"
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/*
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* Firmware module is made up of 1 . N blocks of different types. The
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* Block header is used to determine where and how block is to be copied in the
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* DSP/host memory space.
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*/
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enum snd_sof_fw_blk_type {
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SOF_FW_BLK_TYPE_INVALID = -1,
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SOF_FW_BLK_TYPE_START = 0,
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SOF_FW_BLK_TYPE_RSRVD0 = SOF_FW_BLK_TYPE_START,
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SOF_FW_BLK_TYPE_IRAM = 1, /* local instruction RAM */
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SOF_FW_BLK_TYPE_DRAM = 2, /* local data RAM */
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SOF_FW_BLK_TYPE_SRAM = 3, /* system RAM */
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SOF_FW_BLK_TYPE_ROM = 4,
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SOF_FW_BLK_TYPE_IMR = 5,
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SOF_FW_BLK_TYPE_RSRVD6 = 6,
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SOF_FW_BLK_TYPE_RSRVD7 = 7,
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SOF_FW_BLK_TYPE_RSRVD8 = 8,
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SOF_FW_BLK_TYPE_RSRVD9 = 9,
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SOF_FW_BLK_TYPE_RSRVD10 = 10,
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SOF_FW_BLK_TYPE_RSRVD11 = 11,
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SOF_FW_BLK_TYPE_RSRVD12 = 12,
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SOF_FW_BLK_TYPE_RSRVD13 = 13,
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SOF_FW_BLK_TYPE_RSRVD14 = 14,
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/* use SOF_FW_BLK_TYPE_RSVRDX for new block types */
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SOF_FW_BLK_TYPE_NUM
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};
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struct snd_sof_blk_hdr {
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enum snd_sof_fw_blk_type type;
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__u32 size; /* bytes minus this header */
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__u32 offset; /* offset from base */
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} __packed;
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/*
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* Firmware file is made up of 1 .. N different modules types. The module
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* type is used to determine how to load and parse the module.
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*/
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enum snd_sof_fw_mod_type {
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SOF_FW_BASE = 0, /* base firmware image */
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SOF_FW_MODULE = 1, /* firmware module */
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};
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struct snd_sof_mod_hdr {
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enum snd_sof_fw_mod_type type;
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__u32 size; /* bytes minus this header */
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__u32 num_blocks; /* number of blocks */
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} __packed;
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/*
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* Firmware file header.
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*/
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struct snd_sof_fw_header {
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unsigned char sig[SND_SOF_FW_SIG_SIZE]; /* "Reef" */
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__u32 file_size; /* size of file minus this header */
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__u32 num_modules; /* number of modules */
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__u32 abi; /* version of header format */
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} __packed;
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#endif
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