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1 /*
2  * Copyright (c) 2010 Broadcom Corporation
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef _BRCMF_DBG_H_
18 #define _BRCMF_DBG_H_
19 
20 /* message levels */
21 #define BRCMF_TRACE_VAL		0x00000002
22 #define BRCMF_INFO_VAL		0x00000004
23 #define BRCMF_DATA_VAL		0x00000008
24 #define BRCMF_CTL_VAL		0x00000010
25 #define BRCMF_TIMER_VAL		0x00000020
26 #define BRCMF_HDRS_VAL		0x00000040
27 #define BRCMF_BYTES_VAL		0x00000080
28 #define BRCMF_INTR_VAL		0x00000100
29 #define BRCMF_GLOM_VAL		0x00000200
30 #define BRCMF_EVENT_VAL		0x00000400
31 #define BRCMF_BTA_VAL		0x00000800
32 #define BRCMF_FIL_VAL		0x00001000
33 #define BRCMF_USB_VAL		0x00002000
34 #define BRCMF_SCAN_VAL		0x00004000
35 #define BRCMF_CONN_VAL		0x00008000
36 #define BRCMF_BCDC_VAL		0x00010000
37 #define BRCMF_SDIO_VAL		0x00020000
38 #define BRCMF_MSGBUF_VAL	0x00040000
39 #define BRCMF_PCIE_VAL		0x00080000
40 
41 /* set default print format */
42 #undef pr_fmt
43 #define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
44 
45 /* Macro for error messages. net_ratelimit() is used when driver
46  * debugging is not selected. When debugging the driver error
47  * messages are as important as other tracing or even more so.
48  */
49 #ifndef CONFIG_BRCM_TRACING
50 #ifdef CONFIG_BRCMDBG
51 #define brcmf_err(fmt, ...)	pr_err("%s: " fmt, __func__, ##__VA_ARGS__)
52 #else
53 #define brcmf_err(fmt, ...)						\
54 	do {								\
55 		if (net_ratelimit())					\
56 			pr_err("%s: " fmt, __func__, ##__VA_ARGS__);	\
57 	} while (0)
58 #endif
59 #else
60 __printf(2, 3)
61 void __brcmf_err(const char *func, const char *fmt, ...);
62 #define brcmf_err(fmt, ...) \
63 	__brcmf_err(__func__, fmt, ##__VA_ARGS__)
64 #endif
65 
66 #if defined(DEBUG) || defined(CONFIG_BRCM_TRACING)
67 __printf(3, 4)
68 void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...);
69 #define brcmf_dbg(level, fmt, ...)				\
70 do {								\
71 	__brcmf_dbg(BRCMF_##level##_VAL, __func__,		\
72 		    fmt, ##__VA_ARGS__);			\
73 } while (0)
74 #define BRCMF_DATA_ON()		(brcmf_msg_level & BRCMF_DATA_VAL)
75 #define BRCMF_CTL_ON()		(brcmf_msg_level & BRCMF_CTL_VAL)
76 #define BRCMF_HDRS_ON()		(brcmf_msg_level & BRCMF_HDRS_VAL)
77 #define BRCMF_BYTES_ON()	(brcmf_msg_level & BRCMF_BYTES_VAL)
78 #define BRCMF_GLOM_ON()		(brcmf_msg_level & BRCMF_GLOM_VAL)
79 #define BRCMF_EVENT_ON()	(brcmf_msg_level & BRCMF_EVENT_VAL)
80 #define BRCMF_FIL_ON()		(brcmf_msg_level & BRCMF_FIL_VAL)
81 
82 #else /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
83 
84 #define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
85 
86 #define BRCMF_DATA_ON()		0
87 #define BRCMF_CTL_ON()		0
88 #define BRCMF_HDRS_ON()		0
89 #define BRCMF_BYTES_ON()	0
90 #define BRCMF_GLOM_ON()		0
91 #define BRCMF_EVENT_ON()	0
92 #define BRCMF_FIL_ON()		0
93 
94 #endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
95 
96 #define brcmf_dbg_hex_dump(test, data, len, fmt, ...)			\
97 do {									\
98 	trace_brcmf_hexdump((void *)data, len);				\
99 	if (test)							\
100 		brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__);	\
101 } while (0)
102 
103 extern int brcmf_msg_level;
104 
105 struct brcmf_pub;
106 #ifdef DEBUG
107 void brcmf_debugfs_init(void);
108 void brcmf_debugfs_exit(void);
109 int brcmf_debugfs_attach(struct brcmf_pub *drvr);
110 void brcmf_debugfs_detach(struct brcmf_pub *drvr);
111 struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
112 int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
113 			    int (*read_fn)(struct seq_file *seq, void *data));
114 #else
brcmf_debugfs_init(void)115 static inline void brcmf_debugfs_init(void)
116 {
117 }
brcmf_debugfs_exit(void)118 static inline void brcmf_debugfs_exit(void)
119 {
120 }
brcmf_debugfs_attach(struct brcmf_pub * drvr)121 static inline int brcmf_debugfs_attach(struct brcmf_pub *drvr)
122 {
123 	return 0;
124 }
brcmf_debugfs_detach(struct brcmf_pub * drvr)125 static inline void brcmf_debugfs_detach(struct brcmf_pub *drvr)
126 {
127 }
128 static inline
brcmf_debugfs_add_entry(struct brcmf_pub * drvr,const char * fn,int (* read_fn)(struct seq_file * seq,void * data))129 int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
130 			    int (*read_fn)(struct seq_file *seq, void *data))
131 {
132 	return 0;
133 }
134 #endif
135 
136 #endif				/* _BRCMF_DBG_H_ */
137