LXR linux/sound/pci/asihpi/hpidebug.h

   1/*****************************************************************************
   2
   3    AudioScience HPI driver
   4    Copyright (C) 1997-2011  AudioScience Inc. <support@audioscience.com>
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of version 2 of the GNU General Public License as
   8    published by the Free Software Foundation;
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19Debug macros.
  20
  21*****************************************************************************/
  22
  23#ifndef _HPIDEBUG_H
  24#define _HPIDEBUG_H
  25
  26#include "hpi_internal.h"
  27
  28/* Define debugging levels.  */
  29enum { HPI_DEBUG_LEVEL_ERROR = 0,       /* always log errors */
  30        HPI_DEBUG_LEVEL_WARNING = 1,
  31        HPI_DEBUG_LEVEL_NOTICE = 2,
  32        HPI_DEBUG_LEVEL_INFO = 3,
  33        HPI_DEBUG_LEVEL_DEBUG = 4,
  34        HPI_DEBUG_LEVEL_VERBOSE = 5     /* same printk level as DEBUG */
  35};
  36
  37#define HPI_DEBUG_LEVEL_DEFAULT HPI_DEBUG_LEVEL_NOTICE
  38
  39/* an OS can define an extra flag string that is appended to
  40   the start of each message, eg see linux kernel hpios.h */
  41
  42#ifdef SOURCEFILE_NAME
  43#define FILE_LINE  SOURCEFILE_NAME ":" __stringify(__LINE__) " "
  44#else
  45#define FILE_LINE  __FILE__ ":" __stringify(__LINE__) " "
  46#endif
  47
  48#define HPI_DEBUG_ASSERT(expression) \
  49        do { \
  50                if (!(expression)) { \
  51                        printk(KERN_ERR  FILE_LINE \
  52                                "ASSERT " __stringify(expression)); \
  53                } \
  54        } while (0)
  55
  56#define HPI_DEBUG_LOG(level, ...) \
  57        do { \
  58                if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
  59                        printk(HPI_DEBUG_FLAG_##level \
  60                        FILE_LINE  __VA_ARGS__); \
  61                } \
  62        } while (0)
  63
  64void hpi_debug_init(void);
  65int hpi_debug_level_set(int level);
  66int hpi_debug_level_get(void);
  67/* needed by Linux driver for dynamic debug level changes */
  68extern int hpi_debug_level;
  69
  70void hpi_debug_message(struct hpi_message *phm, char *sz_fileline);
  71
  72void hpi_debug_data(u16 *pdata, u32 len);
  73
  74#define HPI_DEBUG_DATA(pdata, len) \
  75        do { \
  76                if (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE) \
  77                        hpi_debug_data(pdata, len); \
  78        } while (0)
  79
  80#define HPI_DEBUG_MESSAGE(level, phm) \
  81        do { \
  82                if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
  83                        hpi_debug_message(phm, HPI_DEBUG_FLAG_##level \
  84                                FILE_LINE __stringify(level)); \
  85                } \
  86        } while (0)
  87
  88#define HPI_DEBUG_RESPONSE(phr) \
  89        do { \
  90                if (((hpi_debug_level >= HPI_DEBUG_LEVEL_DEBUG) && \
  91                        (phr->error)) ||\
  92                (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE)) \
  93                        printk(KERN_DEBUG "HPI_RES%d,%d,%d\n", \
  94                                phr->version, phr->error, phr->specific_error); \
  95        } while (0)
  96
  97#ifndef compile_time_assert
  98#define compile_time_assert(cond, msg) \
  99    typedef char msg[(cond) ? 1 : -1]
 100#endif
 101
 102#endif                          /* _HPIDEBUG_H_  */
 103