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/kref.h>
33#include <linux/types.h>
34#include <linux/delay.h>
35#include <linux/mm.h>
36
37#include <asm/byteorder.h>
38
39#include <drm/display/drm_dp_helper.h>
40#include <drm/drm_device.h>
41#include <drm/drm_print.h>
42
43#include "cgs_common.h"
44
45#if defined(__BIG_ENDIAN) && !defined(BIGENDIAN_CPU)
46#define BIGENDIAN_CPU
47#elif defined(__LITTLE_ENDIAN) && !defined(LITTLEENDIAN_CPU)
48#define LITTLEENDIAN_CPU
49#endif
50
51#undef FRAME_SIZE
52
53#define dm_output_to_console(fmt, ...) DRM_DEBUG_KMS(fmt, ##__VA_ARGS__)
54
55#define dm_error(fmt, ...) DRM_ERROR(fmt, ##__VA_ARGS__)
56
57#if defined(CONFIG_DRM_AMD_DC_FP)
58#include "amdgpu_dm/dc_fpu.h"
59#define DC_FP_START() dc_fpu_begin(__func__, __LINE__)
60#define DC_FP_END() dc_fpu_end(__func__, __LINE__)
61#endif /* CONFIG_DRM_AMD_DC_FP */
62
63/*
64 *
65 * general debug capabilities
66 *
67 */
68#ifdef CONFIG_DEBUG_KERNEL_DC
69#define dc_breakpoint() kgdb_breakpoint()
70#else
71#define dc_breakpoint() do {} while (0)
72#endif
73
74#define ASSERT_CRITICAL(expr) do { \
75 if (WARN_ON(!(expr))) \
76 dc_breakpoint(); \
77 } while (0)
78
79#define ASSERT(expr) do { \
80 if (WARN_ON_ONCE(!(expr))) \
81 dc_breakpoint(); \
82 } while (0)
83
84#define BREAK_TO_DEBUGGER() \
85 do { \
86 DRM_DEBUG_DRIVER("%s():%d\n", __func__, __LINE__); \
87 dc_breakpoint(); \
88 } while (0)
89
90#define DC_ERR(...) do { \
91 dm_error(__VA_ARGS__); \
92 BREAK_TO_DEBUGGER(); \
93} while (0)
94
95#endif /* _OS_TYPES_H_ */
96

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