1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef B43legacy_DEBUGFS_H_
3 #define B43legacy_DEBUGFS_H_
4 
5 struct b43legacy_wldev;
6 struct b43legacy_txstatus;
7 
8 enum b43legacy_dyndbg { /* Dynamic debugging features */
9 	B43legacy_DBG_XMITPOWER,
10 	B43legacy_DBG_DMAOVERFLOW,
11 	B43legacy_DBG_DMAVERBOSE,
12 	B43legacy_DBG_PWORK_FAST,
13 	B43legacy_DBG_PWORK_STOP,
14 	__B43legacy_NR_DYNDBG,
15 };
16 
17 
18 #ifdef CONFIG_B43LEGACY_DEBUG
19 
20 struct dentry;
21 
22 #define B43legacy_NR_LOGGED_TXSTATUS	100
23 
24 struct b43legacy_txstatus_log {
25 	struct b43legacy_txstatus *log;
26 	int end;
27 	spinlock_t lock;	/* lock for debugging */
28 };
29 
30 struct b43legacy_dfs_file {
31 	struct dentry *dentry;
32 	char *buffer;
33 	size_t data_len;
34 };
35 
36 struct b43legacy_dfsentry {
37 	struct b43legacy_wldev *dev;
38 	struct dentry *subdir;
39 
40 	struct b43legacy_dfs_file file_tsf;
41 	struct b43legacy_dfs_file file_ucode_regs;
42 	struct b43legacy_dfs_file file_shm;
43 	struct b43legacy_dfs_file file_txstat;
44 	struct b43legacy_dfs_file file_txpower_g;
45 	struct b43legacy_dfs_file file_restart;
46 	struct b43legacy_dfs_file file_loctls;
47 
48 	struct b43legacy_txstatus_log txstatlog;
49 
50 	/* Enabled/Disabled list for the dynamic debugging features. */
51 	bool dyn_debug[__B43legacy_NR_DYNDBG];
52 	/* Dentries for the dynamic debugging entries. */
53 	struct dentry *dyn_debug_dentries[__B43legacy_NR_DYNDBG];
54 };
55 
56 int b43legacy_debug(struct b43legacy_wldev *dev,
57 		    enum b43legacy_dyndbg feature);
58 
59 void b43legacy_debugfs_init(void);
60 void b43legacy_debugfs_exit(void);
61 void b43legacy_debugfs_add_device(struct b43legacy_wldev *dev);
62 void b43legacy_debugfs_remove_device(struct b43legacy_wldev *dev);
63 void b43legacy_debugfs_log_txstat(struct b43legacy_wldev *dev,
64 				  const struct b43legacy_txstatus *status);
65 
66 #else /* CONFIG_B43LEGACY_DEBUG*/
67 
68 static inline
69 int b43legacy_debug(struct b43legacy_wldev *dev,
70 		    enum b43legacy_dyndbg feature)
71 {
72 	return 0;
73 }
74 
75 static inline
76 void b43legacy_debugfs_init(void) { }
77 static inline
78 void b43legacy_debugfs_exit(void) { }
79 static inline
80 void b43legacy_debugfs_add_device(struct b43legacy_wldev *dev) { }
81 static inline
82 void b43legacy_debugfs_remove_device(struct b43legacy_wldev *dev) { }
83 static inline
84 void b43legacy_debugfs_log_txstat(struct b43legacy_wldev *dev,
85 				  const struct b43legacy_txstatus *status)
86 				  { }
87 
88 #endif /* CONFIG_B43LEGACY_DEBUG*/
89 
90 #endif /* B43legacy_DEBUGFS_H_ */
91