linux_dsm_epyc7002/sound/pci/asihpi/hpidebug.h
Eliot Blennerhassett f0dcad41ac ALSA: asihpi - Simplify debug logging.
Log HPI messages and responses in consistent numeric format,
which can be post-processed to get strings.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-02-10 18:21:36 +01:00

103 lines
3.0 KiB
C

/*****************************************************************************
AudioScience HPI driver
Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com>
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation;
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Debug macros.
*****************************************************************************/
#ifndef _HPIDEBUG_H
#define _HPIDEBUG_H
#include "hpi_internal.h"
/* Define debugging levels. */
enum { HPI_DEBUG_LEVEL_ERROR = 0, /* always log errors */
HPI_DEBUG_LEVEL_WARNING = 1,
HPI_DEBUG_LEVEL_NOTICE = 2,
HPI_DEBUG_LEVEL_INFO = 3,
HPI_DEBUG_LEVEL_DEBUG = 4,
HPI_DEBUG_LEVEL_VERBOSE = 5 /* same printk level as DEBUG */
};
#define HPI_DEBUG_LEVEL_DEFAULT HPI_DEBUG_LEVEL_NOTICE
/* an OS can define an extra flag string that is appended to
the start of each message, eg see linux kernel hpios.h */
#ifdef SOURCEFILE_NAME
#define FILE_LINE SOURCEFILE_NAME ":" __stringify(__LINE__) " "
#else
#define FILE_LINE __FILE__ ":" __stringify(__LINE__) " "
#endif
#define HPI_DEBUG_ASSERT(expression) \
do { \
if (!(expression)) { \
printk(KERN_ERR FILE_LINE \
"ASSERT " __stringify(expression)); \
} \
} while (0)
#define HPI_DEBUG_LOG(level, ...) \
do { \
if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
printk(HPI_DEBUG_FLAG_##level \
FILE_LINE __VA_ARGS__); \
} \
} while (0)
void hpi_debug_init(void);
int hpi_debug_level_set(int level);
int hpi_debug_level_get(void);
/* needed by Linux driver for dynamic debug level changes */
extern int hpi_debug_level;
void hpi_debug_message(struct hpi_message *phm, char *sz_fileline);
void hpi_debug_data(u16 *pdata, u32 len);
#define HPI_DEBUG_DATA(pdata, len) \
do { \
if (hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE) \
hpi_debug_data(pdata, len); \
} while (0)
#define HPI_DEBUG_MESSAGE(level, phm) \
do { \
if (hpi_debug_level >= HPI_DEBUG_LEVEL_##level) { \
hpi_debug_message(phm,HPI_DEBUG_FLAG_##level \
FILE_LINE __stringify(level)); \
} \
} while (0)
#define HPI_DEBUG_RESPONSE(phr) \
do { \
if (((hpi_debug_level >= HPI_DEBUG_LEVEL_DEBUG) && (phr->error)) ||\
(hpi_debug_level >= HPI_DEBUG_LEVEL_VERBOSE)) \
printk(KERN_DEBUG\
"HPI_RES%d,%d,%d\n", \
phr->version, phr->error, phr->specific_error); \
} while (0)
#ifndef compile_time_assert
#define compile_time_assert(cond, msg) \
typedef char msg[(cond) ? 1 : -1]
#endif
#endif /* _HPIDEBUG_H_ */