LXR linux/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
   8Debug macros.
   9
  10*****************************************************************************/
  11
  12#ifndef _HPIDEBUG_H
  13#define _HPIDEBUG_H
  14
  15#include "hpi_internal.h"
  16
  17/* Define debugging levels.  */
  18enum { 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
  53void hpi_debug_init(void);
  54int hpi_debug_level_set(int level);
  55int hpi_debug_level_get(void);
  56/* needed by Linux driver for dynamic debug level changes */
  57extern int hpi_debug_level;
  58
  59void hpi_debug_message(struct hpi_message *phm, char *sz_fileline);
  60
  61void 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_  */
  92