| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /***************************************************************************** |
| 3 | |
| 4 | AudioScience HPI driver |
| 5 | Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> |
| 6 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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_ */ |