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
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