xref: /linux/drivers/gpu/drm/amd/display/dc/dml2/cmntypes.h (revision 0ea5c948cb64bab5bc7a5516774eb8536f05aa0d)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright 2023 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: AMD
24  *
25  */
26 
27 #ifndef __CMNTYPES_H__
28 #define __CMNTYPES_H__
29 
30 #ifdef __GNUC__
31 #if __GNUC__ == 4 && __GNUC_MINOR__ > 7
32 typedef unsigned int uint;
33 #endif
34 #endif
35 
36 typedef signed char int8, *pint8;
37 typedef signed short int16, *pint16;
38 typedef signed int int32, *pint32;
39 typedef signed int64, *pint64;
40 
41 typedef unsigned char uint8, *puint8;
42 typedef unsigned short uint16, *puint16;
43 typedef unsigned int uint32, *puint32;
44 typedef unsigned uint64, *puint64;
45 
46 typedef unsigned long int ulong;
47 typedef unsigned char uchar;
48 typedef unsigned int uint;
49 
50 typedef void *pvoid;
51 typedef char *pchar;
52 typedef const void *const_pvoid;
53 typedef const char *const_pchar;
54 
55 typedef struct rgba_struct {
56     uint8 a;
57     uint8 r;
58     uint8 g;
59     uint8 b;
60 } rgba_t;
61 
62 typedef struct {
63     uint8 blue;
64     uint8 green;
65     uint8 red;
66     uint8 alpha;
67 } gen_color_t;
68 
69 typedef union {
70 	uint32		val;
71 	gen_color_t f;
72 } gen_color_u;
73 
74 //
75 // Types to make it easy to get or set the bits of a float/double.
76 // Avoids automatic casting from int to float and back.
77 //
78 #if 0
79 typedef union {
80 	uint32 i;
81 	float f;
82 } uintfloat32;
83 
84 typedef union {
85 	uint64 i;
86 	double f;
87 } uintfloat64;
88 
89 #ifndef UNREFERENCED_PARAMETER
90 #define UNREFERENCED_PARAMETER(x) x = x
91 #endif
92 #endif
93 
94 #endif  //__CMNTYPES_H__
95