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_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