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80 lines
2.2 KiB
80 lines
2.2 KiB
/* 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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