File Content: 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 Submit