1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef B43_DEBUGFS_H_
3 #define B43_DEBUGFS_H_
4 
5 struct b43_wldev;
6 struct b43_txstatus;
7 
8 enum b43_dyndbg {		/* Dynamic debugging features */
9 	B43_DBG_XMITPOWER,
10 	B43_DBG_DMAOVERFLOW,
11 	B43_DBG_DMAVERBOSE,
12 	B43_DBG_PWORK_FAST,
13 	B43_DBG_PWORK_STOP,
14 	B43_DBG_LO,
15 	B43_DBG_FIRMWARE,
16 	B43_DBG_KEYS,
17 	B43_DBG_VERBOSESTATS,
18 	__B43_NR_DYNDBG,
19 };
20 
21 #ifdef CONFIG_B43_DEBUG
22 
23 struct dentry;
24 
25 #define B43_NR_LOGGED_TXSTATUS	100
26 
27 struct b43_txstatus_log {
28 	/* This structure is protected by wl->mutex */
29 
30 	struct b43_txstatus *log;
31 	int end;
32 };
33 
34 struct b43_dfs_file {
35 	char *buffer;
36 	size_t data_len;
37 };
38 
39 struct b43_dfsentry {
40 	struct b43_wldev *dev;
41 	struct dentry *subdir;
42 
43 	struct b43_dfs_file file_shm16read;
44 	struct b43_dfs_file file_shm16write;
45 	struct b43_dfs_file file_shm32read;
46 	struct b43_dfs_file file_shm32write;
47 	struct b43_dfs_file file_mmio16read;
48 	struct b43_dfs_file file_mmio16write;
49 	struct b43_dfs_file file_mmio32read;
50 	struct b43_dfs_file file_mmio32write;
51 	struct b43_dfs_file file_txstat;
52 	struct b43_dfs_file file_txpower_g;
53 	struct b43_dfs_file file_restart;
54 	struct b43_dfs_file file_loctls;
55 
56 	struct b43_txstatus_log txstatlog;
57 
58 	/* The cached address for the next mmio16read file read */
59 	u16 mmio16read_next;
60 	/* The cached address for the next mmio32read file read */
61 	u16 mmio32read_next;
62 
63 	/* The cached address for the next shm16read file read */
64 	u32 shm16read_routing_next;
65 	u32 shm16read_addr_next;
66 	/* The cached address for the next shm32read file read */
67 	u32 shm32read_routing_next;
68 	u32 shm32read_addr_next;
69 
70 	/* Enabled/Disabled list for the dynamic debugging features. */
71 	bool dyn_debug[__B43_NR_DYNDBG];
72 };
73 
74 bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature);
75 
76 void b43_debugfs_init(void);
77 void b43_debugfs_exit(void);
78 void b43_debugfs_add_device(struct b43_wldev *dev);
79 void b43_debugfs_remove_device(struct b43_wldev *dev);
80 void b43_debugfs_log_txstat(struct b43_wldev *dev,
81 			    const struct b43_txstatus *status);
82 
83 #else /* CONFIG_B43_DEBUG */
84 
85 static inline bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature)
86 {
87 	return false;
88 }
89 
90 static inline void b43_debugfs_init(void)
91 {
92 }
93 static inline void b43_debugfs_exit(void)
94 {
95 }
96 static inline void b43_debugfs_add_device(struct b43_wldev *dev)
97 {
98 }
99 static inline void b43_debugfs_remove_device(struct b43_wldev *dev)
100 {
101 }
102 static inline void b43_debugfs_log_txstat(struct b43_wldev *dev,
103 					  const struct b43_txstatus *status)
104 {
105 }
106 
107 #endif /* CONFIG_B43_DEBUG */
108 
109 #endif /* B43_DEBUGFS_H_ */
110