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 #undef FILE_LINE
33 #define FILE_LINE SOURCEFILE_NAME ":" __stringify(__LINE__) " "
34 #endif
35
36 #define HPI_DEBUG_ASSERT(expression) \
37 do { \
38 if (!(expression)) { \
39 printk(KERN_ERR FILE_LINE \
40 " ASSERT " __stringify(expression)); \
41 } \
42 } while (0)
43
44 #define HPI_DEBUG_LOG(level, ...) \
45 do { \
46 if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
47 printk(HPI_DEBUG_FLAG_##level \
48 FILE_LINE " " __VA_ARGS__); \
49 } \
50 } while (0)
51
52 void hpi_debug_init(void);
53 int hpi_debug_level_set(int level);
54 int hpi_debug_level_get(void);
55 /* needed by Linux driver for dynamic debug level changes */
56 extern int hpi_debug_level;
57
58 void hpi_debug_message(struct hpi_message *phm, char *sz_fileline);
59
60 void hpi_debug_data(u16 *pdata, u32 len);
61
62 #define HPI_DEBUG_DATA(pdata, len) \
63 do { \
64 if (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE) \
65 hpi_debug_data(pdata, len); \
66 } while (0)
67
68 #define HPI_DEBUG_MESSAGE(level, phm) \
69 do { \
70 if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
71 hpi_debug_message(phm, HPI_DEBUG_FLAG_##level \
72 FILE_LINE " " __stringify(level)); \
73 } \
74 } while (0)
75
76 #define HPI_DEBUG_RESPONSE(phr) \
77 do { \
78 if (((hpi_debug_level >= HPI_DEBUG_LEVEL_DEBUG) && \
79 (phr->error)) ||\
80 (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE)) \
81 printk(KERN_DEBUG "HPI_RES%d,%d,%d\n", \
82 phr->version, phr->error, phr->specific_error); \
83 } while (0)
84
85 #ifndef compile_time_assert
86 #define compile_time_assert(cond, msg) \
87 typedef char msg[(cond) ? 1 : -1]
88 #endif
89
90 #endif /* _HPIDEBUG_H_ */
91
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.