1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /***************************************************************************** 3 4 AudioScience HPI driver 5 Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> 6 7 8 Debug macros. 9 10 *****************************************************************************/ 11 12 #ifndef _HPIDEBUG_H 13 #define _HPIDEBUG_H 14 15 #include "hpi_internal.h" 16 17 /* Define debugging levels. */ 18 enum { HPI_DEBUG_LEVEL_ERROR = 0, /* always log errors */ 19 HPI_DEBUG_LEVEL_WARNING = 1, 20 HPI_DEBUG_LEVEL_NOTICE = 2, 21 HPI_DEBUG_LEVEL_INFO = 3, 22 HPI_DEBUG_LEVEL_DEBUG = 4, 23 HPI_DEBUG_LEVEL_VERBOSE = 5 /* same printk level as DEBUG */ 24 }; 25 26 #define HPI_DEBUG_LEVEL_DEFAULT HPI_DEBUG_LEVEL_NOTICE 27 28 /* an OS can define an extra flag string that is appended to 29 the start of each message, eg see linux kernel hpios.h */ 30 31 #ifdef SOURCEFILE_NAME 32 #define FILE_LINE SOURCEFILE_NAME ":" __stringify(__LINE__) " " 33 #else 34 #define FILE_LINE __FILE__ ":" __stringify(__LINE__) " " 35 #endif 36 37 #define HPI_DEBUG_ASSERT(expression) \ 38 do { \ 39 if (!(expression)) { \ 40 printk(KERN_ERR FILE_LINE \ 41 "ASSERT " __stringify(expression)); \ 42 } \ 43 } while (0) 44 45 #define HPI_DEBUG_LOG(level, ...) \ 46 do { \ 47 if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \ 48 printk(HPI_DEBUG_FLAG_##level \ 49 FILE_LINE __VA_ARGS__); \ 50 } \ 51 } while (0) 52 53 void hpi_debug_init(void); 54 int hpi_debug_level_set(int level); 55 int hpi_debug_level_get(void); 56 /* needed by Linux driver for dynamic debug level changes */ 57 extern int hpi_debug_level; 58 59 void hpi_debug_message(struct hpi_message *phm, char *sz_fileline); 60 61 void hpi_debug_data(u16 *pdata, u32 len); 62 63 #define HPI_DEBUG_DATA(pdata, len) \ 64 do { \ 65 if (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE) \ 66 hpi_debug_data(pdata, len); \ 67 } while (0) 68 69 #define HPI_DEBUG_MESSAGE(level, phm) \ 70 do { \ 71 if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \ 72 hpi_debug_message(phm, HPI_DEBUG_FLAG_##level \ 73 FILE_LINE __stringify(level)); \ 74 } \ 75 } while (0) 76 77 #define HPI_DEBUG_RESPONSE(phr) \ 78 do { \ 79 if (((hpi_debug_level >= HPI_DEBUG_LEVEL_DEBUG) && \ 80 (phr->error)) ||\ 81 (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE)) \ 82 printk(KERN_DEBUG "HPI_RES%d,%d,%d\n", \ 83 phr->version, phr->error, phr->specific_error); \ 84 } while (0) 85 86 #ifndef compile_time_assert 87 #define compile_time_assert(cond, msg) \ 88 typedef char msg[(cond) ? 1 : -1] 89 #endif 90 91 #endif /* _HPIDEBUG_H_ */ 92