/*
* hal_debug.h- Sigmastar
*
* Copyright (c) [2019~2020] SigmaStar Technology.
*
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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 version 2 for more details.
*
*/
#ifndef __HAL_DEBUG_H__
#define __HAL_DEBUG_H__

#include <linux/kernel.h>

// Defines debug message levels of HAL_MSG
#define HAL_MSG_ERR     3
#define HAL_MSG_WRN     4
#define HAL_MSG_DBG     5

#define HAL_MSG_LEVL    HAL_MSG_WRN

///////////////////////////////////////////////////////////////////////////////////////////////////
#define HAL_MSG_ENABLE          // enable/disable message
#define HAL_MSG_FUNC_ENABLE     // enable/disable function name dump

#if defined(HAL_MSG_ENABLE)

#define HAL_STRINGIFY(x) #x
#define HAL_TOSTRING(x) HAL_STRINGIFY(x)

#if defined(HAL_MSG_FUNC_ENABLE)
#define HAL_MSG_TITLE   "[HAL, %s] "
#define HAL_MSG_FUNC    __func__
#else   // NOT defined(HAL_MSG_FUNC_ENABLE)
#define HAL_MSG_TITLE   "[HAL] %s"
#define HAL_MSG_FUNC    ""
#endif  // NOT defined(HAL_MSG_FUNC_ENABLE)

#define HAL_MSG(dbglv, _fmt, _args...)                                                      \
    do if(dbglv <= HAL_MSG_LEVL) {                                                          \
        printk(KERN_SOH HAL_TOSTRING(dbglv) HAL_MSG_TITLE  _fmt, HAL_MSG_FUNC, ## _args);   \
    } while(0)
#else   // NOT defined(HAL_MSG_ENABLE)
#define     HAL_MSG(dbglv, _fmt, _args...)
#endif  // NOT defined(HAL_MSG_ENABLE)

#endif // __HAL_DEBUG_H__