xref: /OK3568_Linux_fs/kernel/include/uapi/sound/sof/abi.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * This file is provided under a dual BSD/GPLv2 license.  When using or
4*4882a593Smuzhiyun  * redistributing this file, you may do so under either license.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Copyright(c) 2018 Intel Corporation. All rights reserved.
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun /**
10*4882a593Smuzhiyun  * SOF ABI versioning is based on Semantic Versioning where we have a given
11*4882a593Smuzhiyun  * MAJOR.MINOR.PATCH version number. See https://semver.org/
12*4882a593Smuzhiyun  *
13*4882a593Smuzhiyun  * Rules for incrementing or changing version :-
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  * 1) Increment MAJOR version if you make incompatible API changes. MINOR and
16*4882a593Smuzhiyun  *    PATCH should be reset to 0.
17*4882a593Smuzhiyun  *
18*4882a593Smuzhiyun  * 2) Increment MINOR version if you add backwards compatible features or
19*4882a593Smuzhiyun  *    changes. PATCH should be reset to 0.
20*4882a593Smuzhiyun  *
21*4882a593Smuzhiyun  * 3) Increment PATCH version if you add backwards compatible bug fixes.
22*4882a593Smuzhiyun  */
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #ifndef __INCLUDE_UAPI_SOUND_SOF_ABI_H__
25*4882a593Smuzhiyun #define __INCLUDE_UAPI_SOUND_SOF_ABI_H__
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun /* SOF ABI version major, minor and patch numbers */
28*4882a593Smuzhiyun #define SOF_ABI_MAJOR 3
29*4882a593Smuzhiyun #define SOF_ABI_MINOR 17
30*4882a593Smuzhiyun #define SOF_ABI_PATCH 0
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun /* SOF ABI version number. Format within 32bit word is MMmmmppp */
33*4882a593Smuzhiyun #define SOF_ABI_MAJOR_SHIFT	24
34*4882a593Smuzhiyun #define SOF_ABI_MAJOR_MASK	0xff
35*4882a593Smuzhiyun #define SOF_ABI_MINOR_SHIFT	12
36*4882a593Smuzhiyun #define SOF_ABI_MINOR_MASK	0xfff
37*4882a593Smuzhiyun #define SOF_ABI_PATCH_SHIFT	0
38*4882a593Smuzhiyun #define SOF_ABI_PATCH_MASK	0xfff
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #define SOF_ABI_VER(major, minor, patch) \
41*4882a593Smuzhiyun 	(((major) << SOF_ABI_MAJOR_SHIFT) | \
42*4882a593Smuzhiyun 	((minor) << SOF_ABI_MINOR_SHIFT) | \
43*4882a593Smuzhiyun 	((patch) << SOF_ABI_PATCH_SHIFT))
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #define SOF_ABI_VERSION_MAJOR(version) \
46*4882a593Smuzhiyun 	(((version) >> SOF_ABI_MAJOR_SHIFT) & SOF_ABI_MAJOR_MASK)
47*4882a593Smuzhiyun #define SOF_ABI_VERSION_MINOR(version)	\
48*4882a593Smuzhiyun 	(((version) >> SOF_ABI_MINOR_SHIFT) & SOF_ABI_MINOR_MASK)
49*4882a593Smuzhiyun #define SOF_ABI_VERSION_PATCH(version)	\
50*4882a593Smuzhiyun 	(((version) >> SOF_ABI_PATCH_SHIFT) & SOF_ABI_PATCH_MASK)
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun #define SOF_ABI_VERSION_INCOMPATIBLE(sof_ver, client_ver)		\
53*4882a593Smuzhiyun 	(SOF_ABI_VERSION_MAJOR((sof_ver)) !=				\
54*4882a593Smuzhiyun 		SOF_ABI_VERSION_MAJOR((client_ver))			\
55*4882a593Smuzhiyun 	)
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun #define SOF_ABI_VERSION SOF_ABI_VER(SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH)
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun /* SOF ABI magic number "SOF\0". */
60*4882a593Smuzhiyun #define SOF_ABI_MAGIC		0x00464F53
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun #endif
63