xref: /openbmc/linux/sound/pci/asihpi/hpidebug.h (revision 07d7fe7b)
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