xref: /openbmc/linux/include/uapi/sound/sof/header.h (revision a4e1d0b7)
1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /*
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * Copyright(c) 2018 Intel Corporation. All rights reserved.
7  */
8 
9 #ifndef __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
10 #define __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
11 
12 #include <linux/types.h>
13 
14 /*
15  * Header for all non IPC ABI data.
16  *
17  * Identifies data type, size and ABI.
18  * Used by any bespoke component data structures or binary blobs.
19  */
20 struct sof_abi_hdr {
21 	__u32 magic;		/**< 'S', 'O', 'F', '\0' */
22 	__u32 type;		/**< component specific type */
23 	__u32 size;		/**< size in bytes of data excl. this struct */
24 	__u32 abi;		/**< SOF ABI version */
25 	__u32 reserved[4];	/**< reserved for future use */
26 	__u32 data[];		/**< Component data - opaque to core */
27 }  __packed;
28 
29 #define SOF_MANIFEST_DATA_TYPE_NHLT 1
30 
31 /**
32  * struct sof_manifest_tlv - SOF manifest TLV data
33  * @type: type of data
34  * @size: data size (not including the size of this struct)
35  * @data: payload data
36  */
37 struct sof_manifest_tlv {
38 	__le32 type;
39 	__le32 size;
40 	__u8 data[];
41 };
42 
43 /**
44  * struct sof_manifest - SOF topology manifest
45  * @abi_major: Major ABI version
46  * @abi_minor: Minor ABI version
47  * @abi_patch: ABI patch
48  * @count: count of tlv items
49  * @items: consecutive variable size tlv items
50  */
51 struct sof_manifest {
52 	__le16 abi_major;
53 	__le16 abi_minor;
54 	__le16 abi_patch;
55 	__le16 count;
56 	struct sof_manifest_tlv items[];
57 };
58 
59 #endif
60