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

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