sound/pci/asihpi/hpidebug.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*****************************************************************************
   3
   4     AudioScience HPI driver
   5     Copyright (C) 1997-2011  AudioScience Inc. <support@audioscience.com>
   6
   7
   8 Debug macros.
   9
  10 *****************************************************************************/
  11
  12 #ifndef _HPIDEBUG_H
  13 #define _HPIDEBUG_H
  14
  15 #include "hpi_internal.h"
  16
  17 /* Define debugging levels.  */
  18 enum { HPI_DEBUG_LEVEL_ERROR = 0,       /* always log errors */
  19         HPI_DEBUG_LEVEL_WARNING = 1,
  20         HPI_DEBUG_LEVEL_NOTICE = 2,
  21         HPI_DEBUG_LEVEL_INFO = 3,
  22         HPI_DEBUG_LEVEL_DEBUG = 4,
  23         HPI_DEBUG_LEVEL_VERBOSE = 5     /* same printk level as DEBUG */
  24 };
  25
  26 #define HPI_DEBUG_LEVEL_DEFAULT HPI_DEBUG_LEVEL_NOTICE
  27
  28 /* an OS can define an extra flag string that is appended to
  29    the start of each message, eg see linux kernel hpios.h */
  30
  31 #ifdef SOURCEFILE_NAME
  32 #define FILE_LINE  SOURCEFILE_NAME ":" __stringify(__LINE__) " "
  33 #else
  34 #define FILE_LINE  __FILE__ ":" __stringify(__LINE__) " "
  35 #endif
  36
  37 #define HPI_DEBUG_ASSERT(expression) \
  38         do { \
  39                 if (!(expression)) { \
  40                         printk(KERN_ERR  FILE_LINE \
  41                                 "ASSERT " __stringify(expression)); \
  42                 } \
  43         } while (0)
  44
  45 #define HPI_DEBUG_LOG(level, ...) \
  46         do { \
  47                 if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
  48                         printk(HPI_DEBUG_FLAG_##level \
  49                         FILE_LINE  __VA_ARGS__); \
  50                 } \
  51         } while (0)
  52
  53 void hpi_debug_init(void);
  54 int hpi_debug_level_set(int level);
  55 int hpi_debug_level_get(void);
  56 /* needed by Linux driver for dynamic debug level changes */
  57 extern int hpi_debug_level;
  58
  59 void hpi_debug_message(struct hpi_message *phm, char *sz_fileline);
  60
  61 void hpi_debug_data(u16 *pdata, u32 len);
  62
  63 #define HPI_DEBUG_DATA(pdata, len) \
  64         do { \
  65                 if (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE) \
  66                         hpi_debug_data(pdata, len); \
  67         } while (0)
  68
  69 #define HPI_DEBUG_MESSAGE(level, phm) \
  70         do { \
  71                 if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
  72                         hpi_debug_message(phm, HPI_DEBUG_FLAG_##level \
  73                                 FILE_LINE __stringify(level)); \
  74                 } \
  75         } while (0)
  76
  77 #define HPI_DEBUG_RESPONSE(phr) \
  78         do { \
  79                 if (((hpi_debug_level >= HPI_DEBUG_LEVEL_DEBUG) && \
  80                         (phr->error)) ||\
  81                 (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE)) \
  82                         printk(KERN_DEBUG "HPI_RES%d,%d,%d\n", \
  83                                 phr->version, phr->error, phr->specific_error); \
  84         } while (0)
  85
  86 #ifndef compile_time_assert
  87 #define compile_time_assert(cond, msg) \
  88     typedef char msg[(cond) ? 1 : -1]
  89 #endif
  90
  91 #endif                          /* _HPIDEBUG_H_  */