1 /*
2  * Intel Wireless Multicomm 3200 WiFi driver
3  *
4  * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
5  * Samuel Ortiz <samuel.ortiz@intel.com>
6  * Zhu Yi <yi.zhu@intel.com>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License version
10  * 2 as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20  * 02110-1301, USA.
21  *
22  */
23 
24 #ifndef __IWM_DEBUG_H__
25 #define __IWM_DEBUG_H__
26 
27 #define IWM_ERR(p, f, a...) dev_err(iwm_to_dev(p), f, ## a)
28 #define IWM_WARN(p, f, a...) dev_warn(iwm_to_dev(p), f, ## a)
29 #define IWM_INFO(p, f, a...) dev_info(iwm_to_dev(p), f, ## a)
30 #define IWM_CRIT(p, f, a...) dev_crit(iwm_to_dev(p), f, ## a)
31 
32 #ifdef CONFIG_IWM_DEBUG
33 
34 #define IWM_DEBUG_MODULE(i, level, module, f, a...)			     \
35 do {									     \
36 	if (unlikely(i->dbg.dbg_module[IWM_DM_##module] >= (IWM_DL_##level)))\
37 		dev_printk(KERN_INFO, (iwm_to_dev(i)),	             \
38 			   "%s " f, __func__ , ## a);			     \
39 } while (0)
40 
41 #define IWM_HEXDUMP(i, level, module, pref, buf, len)		             \
42 do {									     \
43 	if (unlikely(i->dbg.dbg_module[IWM_DM_##module] >= (IWM_DL_##level)))\
44 		print_hex_dump(KERN_INFO, pref, DUMP_PREFIX_OFFSET,	     \
45 			       16, 1, buf, len, 1);			     \
46 } while (0)
47 
48 #else
49 
50 #define IWM_DEBUG_MODULE(i, level, module, f, a...)
51 #define IWM_HEXDUMP(i, level, module, pref, buf, len)
52 
53 #endif /* CONFIG_IWM_DEBUG */
54 
55 /* Debug modules */
56 enum iwm_debug_module_id {
57 	IWM_DM_BOOT = 0,
58 	IWM_DM_FW,
59 	IWM_DM_SDIO,
60 	IWM_DM_NTF,
61 	IWM_DM_RX,
62 	IWM_DM_TX,
63 	IWM_DM_MLME,
64 	IWM_DM_CMD,
65 	IWM_DM_WEXT,
66 	__IWM_DM_NR,
67 };
68 #define IWM_DM_DEFAULT 0
69 
70 #define IWM_DBG_BOOT(i, l, f, a...) IWM_DEBUG_MODULE(i, l, BOOT, f, ## a)
71 #define IWM_DBG_FW(i, l, f, a...)   IWM_DEBUG_MODULE(i, l, FW, f, ## a)
72 #define IWM_DBG_SDIO(i, l, f, a...) IWM_DEBUG_MODULE(i, l, SDIO, f, ## a)
73 #define IWM_DBG_NTF(i, l, f, a...)  IWM_DEBUG_MODULE(i, l, NTF, f, ## a)
74 #define IWM_DBG_RX(i, l, f, a...)   IWM_DEBUG_MODULE(i, l, RX, f, ## a)
75 #define IWM_DBG_TX(i, l, f, a...)   IWM_DEBUG_MODULE(i, l, TX, f, ## a)
76 #define IWM_DBG_MLME(i, l, f, a...) IWM_DEBUG_MODULE(i, l, MLME, f, ## a)
77 #define IWM_DBG_CMD(i, l, f, a...)  IWM_DEBUG_MODULE(i, l, CMD, f, ## a)
78 #define IWM_DBG_WEXT(i, l, f, a...) IWM_DEBUG_MODULE(i, l, WEXT, f, ## a)
79 
80 /* Debug levels */
81 enum iwm_debug_level {
82 	IWM_DL_NONE = 0,
83 	IWM_DL_ERR,
84 	IWM_DL_WARN,
85 	IWM_DL_INFO,
86 	IWM_DL_DBG,
87 };
88 #define IWM_DL_DEFAULT IWM_DL_ERR
89 
90 struct iwm_debugfs {
91 	struct iwm_priv *iwm;
92 	struct dentry *rootdir;
93 	struct dentry *devdir;
94 	struct dentry *dbgdir;
95 	struct dentry *txdir;
96 	struct dentry *rxdir;
97 	struct dentry *busdir;
98 
99 	u32 dbg_level;
100 	struct dentry *dbg_level_dentry;
101 
102 	unsigned long dbg_modules;
103 	struct dentry *dbg_modules_dentry;
104 
105 	u8 dbg_module[__IWM_DM_NR];
106 	struct dentry *dbg_module_dentries[__IWM_DM_NR];
107 
108 	struct dentry *txq_dentry;
109 	struct dentry *tx_credit_dentry;
110 	struct dentry *rx_ticket_dentry;
111 
112 	struct dentry *fw_err_dentry;
113 };
114 
115 #ifdef CONFIG_IWM_DEBUG
116 void iwm_debugfs_init(struct iwm_priv *iwm);
117 void iwm_debugfs_exit(struct iwm_priv *iwm);
118 #else
iwm_debugfs_init(struct iwm_priv * iwm)119 static inline void iwm_debugfs_init(struct iwm_priv *iwm) {}
iwm_debugfs_exit(struct iwm_priv * iwm)120 static inline void iwm_debugfs_exit(struct iwm_priv *iwm) {}
121 #endif
122 
123 #endif
124