carlfw/include/printf.h

   1 /*
   2  * carl9170 firmware - used by the ar9170 wireless device
   3  *
   4  * printf and his friends...
   5  *
   6  * Copyright (c) 2000-2005 ZyDAS Technology Corporation
   7  * Copyright (c) 2007-2009 Atheros Communications, Inc.
   8  * Copyright    2009    Johannes Berg <johannes@sipsolutions.net>
   9  * Copyright 2009-2011  Christian Lamparter <chunkeey@googlemail.com>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #ifndef __CARL9170FW_PRINTF_H
  26 #define __CARL9170FW_PRINTF_H
  27
  28 #include <stdarg.h>
  29 #include <string.h>
  30 #include "config.h"
  31 #include "carl9170.h"
  32 #include "uart.h"
  33 #include "fwcmd.h"
  34
  35 #ifdef CONFIG_CARL9170FW_PRINTF
  36 void __attribute__((format (printf, 1, 2))) tfp_printf(const char *fmt, ...);
  37
  38 #define printf tfp_printf
  39
  40 #else
  41 void __attribute__((format (printf, 1, 2))) min_printf(const char *fmt, ...);
  42
  43 #define printf min_printf
  44 #endif /* CONFIG_CARL9170FW_PRINTF */
  45
  46 #define PRINT(fmt, args...)                                             \
  47         do {                                                            \
  48                 printf(fmt, ## args);                                   \
  49         } while (0)
  50
  51 #define INFO(fmt, args...)      PRINT(fmt, ## args)
  52
  53 #define ERR(fmt, args...)       PRINT(CARL9170_ERR_MAGIC fmt, ## args)
  54
  55 #ifdef CONFIG_CARL9170FW_DEBUG
  56 #define DBG(fmt, args...)       PRINT(fmt, ## args)
  57 #else
  58 #define DBG(...)                do { } while (0);
  59 #endif
  60
  61 /*
  62  * NB: even though the MACRO is called "stall". It isn't supposed
  63  * to stall since this will render the device unresponsive, until
  64  * someone pulls the plug.
  65  */
  66 #define STALL()
  67
  68 #define BUG(fmt, args...)                                               \
  69         do {                                                            \
  70                 PRINT(CARL9170_BUG_MAGIC" %s()@%d \"" fmt "\"" ,        \
  71                       __func__, __LINE__, ## args);                     \
  72                 STALL()                                                 \
  73         } while (0);
  74
  75 #define BUG_ON(condition)                                               \
  76         ({                                                              \
  77                 int __ret = !!(condition);                              \
  78                 if (unlikely(!!(__ret)))                                \
  79                         BUG(#condition);                                \
  80                 (__ret);                                                \
  81         })
  82
  83 static inline __inline void putcharacter(const char c __unused)
  84 {
  85 #ifdef CONFIG_CARL9170FW_DEBUG_USB
  86         usb_putc(c);
  87 #endif /* CONFIG_CARL9170FW_DEBUG_USB */
  88
  89 #ifdef CONFIG_CARL9170FW_DEBUG_UART
  90         uart_putc(c);
  91 #endif /* CONFIG_CARL9170FW_DEBUG_UART */
  92 }
  93
  94 static inline __inline void print_hex_dump(const void *buf __unused, int len __unused)
  95 {
  96 #ifdef CONFIG_CARL9170FW_DEBUG_USB
  97         usb_print_hex_dump(buf, len);
  98 #endif /* CONFIG_CARL9170FW_DEBUG_USB */
  99
 100 #ifdef CONFIG_CARL9170FW_DEBUG_UART
 101         uart_print_hex_dump(buf, len);
 102 #endif /* CONFIG_CARL9170FW_DEBUG_UART */
 103 }
 104
 105 #endif /* __CARL9170FW_PRINTF_H */
 106