LXR linux/drivers/net/wireless/brcm80211/brcmfmac/dhd

   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)
  61void __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)
  68void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...);
  69#define brcmf_dbg(level, fmt, ...)                              \
  70do {                                                            \
  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, ...)                   \
  97do {                                                                    \
  98        trace_brcmf_hexdump((void *)data, len);                         \
  99        if (test)                                                       \
 100                brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__);      \
 101} while (0)
 102
 103extern int brcmf_msg_level;
 104
 105struct brcmf_pub;
 106#ifdef DEBUG
 107void brcmf_debugfs_init(void);
 108void brcmf_debugfs_exit(void);
 109int brcmf_debugfs_attach(struct brcmf_pub *drvr);
 110void brcmf_debugfs_detach(struct brcmf_pub *drvr);
 111struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
 112int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
 113                            int (*read_fn)(struct seq_file *seq, void *data));
 114#else
 115static inline void brcmf_debugfs_init(void)
 116{
 117}
 118static inline void brcmf_debugfs_exit(void)
 119{
 120}
 121static inline int brcmf_debugfs_attach(struct brcmf_pub *drvr)
 122{
 123        return 0;
 124}
 125static inline void brcmf_debugfs_detach(struct brcmf_pub *drvr)
 126{
 127}
 128static inline
 129int 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