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Diffstat (limited to 'include/uapi/sound/sof/fw.h')
-rw-r--r-- | include/uapi/sound/sof/fw.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/uapi/sound/sof/fw.h b/include/uapi/sound/sof/fw.h new file mode 100644 index 0000000000..e9f697467a --- /dev/null +++ b/include/uapi/sound/sof/fw.h @@ -0,0 +1,80 @@ +/* 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 */ +} __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 */ +} __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 */ +} __packed; + +#endif |