1 /*
2  * Copyright 2012-16 Advanced Micro Devices, Inc.
3  * Copyright 2019 Raptor Engineering, LLC
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 _OS_TYPES_H_
28 #define _OS_TYPES_H_
29 
30 #include <linux/kgdb.h>
31 #include <linux/kref.h>
32 #include <linux/types.h>
33 #include <linux/slab.h>
34 #include <linux/delay.h>
35 
36 #include <asm/byteorder.h>
37 
38 #include <drm/drm_print.h>
39 #include <drm/drm_dp_helper.h>
40 
41 #include "cgs_common.h"
42 
43 #if defined(__BIG_ENDIAN) && !defined(BIGENDIAN_CPU)
44 #define BIGENDIAN_CPU
45 #elif defined(__LITTLE_ENDIAN) && !defined(LITTLEENDIAN_CPU)
46 #define LITTLEENDIAN_CPU
47 #endif
48 
49 #undef FRAME_SIZE
50 
51 #define dm_output_to_console(fmt, ...) DRM_DEBUG_KMS(fmt, ##__VA_ARGS__)
52 
53 #define dm_error(fmt, ...) DRM_ERROR(fmt, ##__VA_ARGS__)
54 
55 #if defined(CONFIG_DRM_AMD_DC_DCN)
56 #include "amdgpu_dm/dc_fpu.h"
57 #define DC_FP_START() dc_fpu_begin(__func__, __LINE__)
58 #define DC_FP_END() dc_fpu_end(__func__, __LINE__)
59 #endif
60 
61 /*
62  *
63  * general debug capabilities
64  *
65  */
66 #ifdef CONFIG_DEBUG_KERNEL_DC
67 #define dc_breakpoint()		kgdb_breakpoint()
68 #else
69 #define dc_breakpoint()		do {} while (0)
70 #endif
71 
72 #define ASSERT_CRITICAL(expr) do {		\
73 		if (WARN_ON(!(expr)))		\
74 			dc_breakpoint();	\
75 	} while (0)
76 
77 #define ASSERT(expr) do {			\
78 		if (WARN_ON_ONCE(!(expr)))	\
79 			dc_breakpoint();	\
80 	} while (0)
81 
82 #define BREAK_TO_DEBUGGER() \
83 	do { \
84 		DRM_DEBUG_DRIVER("%s():%d\n", __func__, __LINE__); \
85 		dc_breakpoint(); \
86 	} while (0)
87 
88 #define DC_ERR(...)  do { \
89 	dm_error(__VA_ARGS__); \
90 	BREAK_TO_DEBUGGER(); \
91 } while (0)
92 
93 #endif /* _OS_TYPES_H_ */
94