1 /* 2 * Copyright 2012-16 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #ifndef _OS_TYPES_H_ 27 #define _OS_TYPES_H_ 28 29 #include <asm/byteorder.h> 30 #include <linux/types.h> 31 #include <drm/drmP.h> 32 33 #include <linux/kref.h> 34 35 #include "cgs_common.h" 36 37 #if defined(__BIG_ENDIAN) && !defined(BIGENDIAN_CPU) 38 #define BIGENDIAN_CPU 39 #elif defined(__LITTLE_ENDIAN) && !defined(LITTLEENDIAN_CPU) 40 #define LITTLEENDIAN_CPU 41 #endif 42 43 #undef READ 44 #undef WRITE 45 #undef FRAME_SIZE 46 47 #define dm_output_to_console(fmt, ...) DRM_DEBUG_KMS(fmt, ##__VA_ARGS__) 48 49 #define dm_error(fmt, ...) DRM_ERROR(fmt, ##__VA_ARGS__) 50 51 #if defined(CONFIG_DRM_AMD_DC_DCN1_0) 52 #include <asm/fpu/api.h> 53 #endif 54 55 /* 56 * 57 * general debug capabilities 58 * 59 */ 60 #if defined(CONFIG_DEBUG_KERNEL_DC) && (defined(CONFIG_HAVE_KGDB) || defined(CONFIG_KGDB)) 61 #define ASSERT_CRITICAL(expr) do { \ 62 if (WARN_ON(!(expr))) { \ 63 kgdb_breakpoint(); \ 64 } \ 65 } while (0) 66 #else 67 #define ASSERT_CRITICAL(expr) do { \ 68 if (WARN_ON(!(expr))) { \ 69 ; \ 70 } \ 71 } while (0) 72 #endif 73 74 #if defined(CONFIG_DEBUG_KERNEL_DC) 75 #define ASSERT(expr) ASSERT_CRITICAL(expr) 76 77 #else 78 #define ASSERT(expr) WARN_ON(!(expr)) 79 #endif 80 81 #define BREAK_TO_DEBUGGER() ASSERT(0) 82 83 #define DC_ERR(...) do { \ 84 dm_error(__VA_ARGS__); \ 85 BREAK_TO_DEBUGGER(); \ 86 } while (0) 87 88 #endif /* _OS_TYPES_H_ */ 89