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 	struct dentry *dentry;
36 	char *buffer;
37 	size_t data_len;
38 };
39 
40 struct b43_dfsentry {
41 	struct b43_wldev *dev;
42 	struct dentry *subdir;
43 
44 	struct b43_dfs_file file_shm16read;
45 	struct b43_dfs_file file_shm16write;
46 	struct b43_dfs_file file_shm32read;
47 	struct b43_dfs_file file_shm32write;
48 	struct b43_dfs_file file_mmio16read;
49 	struct b43_dfs_file file_mmio16write;
50 	struct b43_dfs_file file_mmio32read;
51 	struct b43_dfs_file file_mmio32write;
52 	struct b43_dfs_file file_txstat;
53 	struct b43_dfs_file file_txpower_g;
54 	struct b43_dfs_file file_restart;
55 	struct b43_dfs_file file_loctls;
56 
57 	struct b43_txstatus_log txstatlog;
58 
59 	/* The cached address for the next mmio16read file read */
60 	u16 mmio16read_next;
61 	/* The cached address for the next mmio32read file read */
62 	u16 mmio32read_next;
63 
64 	/* The cached address for the next shm16read file read */
65 	u32 shm16read_routing_next;
66 	u32 shm16read_addr_next;
67 	/* The cached address for the next shm32read file read */
68 	u32 shm32read_routing_next;
69 	u32 shm32read_addr_next;
70 
71 	/* Enabled/Disabled list for the dynamic debugging features. */
72 	bool dyn_debug[__B43_NR_DYNDBG];
73 	/* Dentries for the dynamic debugging entries. */
74 	struct dentry *dyn_debug_dentries[__B43_NR_DYNDBG];
75 };
76 
77 bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature);
78 
79 void b43_debugfs_init(void);
80 void b43_debugfs_exit(void);
81 void b43_debugfs_add_device(struct b43_wldev *dev);
82 void b43_debugfs_remove_device(struct b43_wldev *dev);
83 void b43_debugfs_log_txstat(struct b43_wldev *dev,
84 			    const struct b43_txstatus *status);
85 
86 #else /* CONFIG_B43_DEBUG */
87 
88 static inline bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature)
89 {
90 	return false;
91 }
92 
93 static inline void b43_debugfs_init(void)
94 {
95 }
96 static inline void b43_debugfs_exit(void)
97 {
98 }
99 static inline void b43_debugfs_add_device(struct b43_wldev *dev)
100 {
101 }
102 static inline void b43_debugfs_remove_device(struct b43_wldev *dev)
103 {
104 }
105 static inline void b43_debugfs_log_txstat(struct b43_wldev *dev,
106 					  const struct b43_txstatus *status)
107 {
108 }
109 
110 #endif /* CONFIG_B43_DEBUG */
111 
112 #endif /* B43_DEBUGFS_H_ */
113