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