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/slab.h>
31#include <linux/kgdb.h>
32#include <linux/delay.h>
33#include <linux/mm.h>
34
35#include <asm/byteorder.h>
36
37#include <drm/display/drm_dp_helper.h>
38#include <drm/drm_device.h>
39#include <drm/drm_print.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_FP)
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 /* CONFIG_DRM_AMD_DC_FP */
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

source code of linux/drivers/gpu/drm/amd/display/dc/os_types.h