kernel_xiaomi_lancelot/drivers/gpu/drm/mediatek/mtk_log.h

/*
 * Copyright (C) 2019 MediaTek Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 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.
 */

#ifndef __MTKFB_LOG_H
#define __MTKFB_LOG_H

#include <linux/kernel.h>

extern unsigned long long mutex_time_start;
extern unsigned long long mutex_time_end;
extern long long mutex_time_period;
extern const char *mutex_locker;

enum DPREC_LOGGER_PR_TYPE {
	DPREC_LOGGER_ERROR,
	DPREC_LOGGER_FENCE,
	DPREC_LOGGER_DEBUG,
	DPREC_LOGGER_DUMP,
	DPREC_LOGGER_STATUS,
	DPREC_LOGGER_PR_NUM
};

int mtk_dprec_logger_pr(unsigned int type, char *fmt, ...);

#define DDPINFO(fmt, arg...)                                                   \
	do {                                                                   \
		mtk_dprec_logger_pr(DPREC_LOGGER_DEBUG, fmt, ##arg);           \
		if (g_mobile_log)                                              \
			pr_info(pr_fmt(fmt), ##arg);     \
	} while (0)

#define DDPFUNC(fmt, arg...)		\
	pr_info("[%s line:%d]"pr_fmt(fmt), __func__, __LINE__, ##arg)

#define DDPDBG(fmt, arg...)                                                    \
	do {                                                                   \
		if (!g_detail_log)                                             \
			break;                                                 \
		mtk_dprec_logger_pr(DPREC_LOGGER_DEBUG, fmt, ##arg);           \
		if (g_mobile_log)                                              \
			pr_info(pr_fmt(fmt), ##arg);     \
	} while (0)

#define DDPMSG(fmt, arg...)                                                    \
	do {                                                                   \
		mtk_dprec_logger_pr(DPREC_LOGGER_DEBUG, fmt, ##arg);           \
		pr_info(pr_fmt(fmt), ##arg);             \
	} while (0)

#define DDPDUMP(fmt, arg...)                                                   \
	do {                                                                   \
		mtk_dprec_logger_pr(DPREC_LOGGER_DUMP, fmt, ##arg);            \
		if (g_mobile_log)                                              \
			pr_info(pr_fmt(fmt), ##arg);     \
	} while (0)

#define DDPFENCE(fmt, arg...)                                                  \
	do {                                                                   \
		mtk_dprec_logger_pr(DPREC_LOGGER_FENCE, fmt, ##arg);           \
		if (g_fence_log)                                               \
			pr_info(pr_fmt(fmt), ##arg);     \
	} while (0)

#define DDPPR_ERR(fmt, arg...)                                                 \
	do {                                                                   \
		mtk_dprec_logger_pr(DPREC_LOGGER_ERROR, fmt, ##arg);           \
		pr_err(pr_fmt(fmt), ##arg);              \
	} while (0)

#define DDPIRQ(fmt, arg...)                                                    \
	do {                                                                   \
		if (g_irq_log)                                                 \
			mtk_dprec_logger_pr(DPREC_LOGGER_DEBUG, fmt, ##arg);   \
	} while (0)

#define DDP_MUTEX_LOCK(lock, name, line)                                       \
	do {                                                                   \
		DDPINFO("M_LOCK:%s[%d] +\n", name, line);		   \
		DRM_MMP_EVENT_START(mutex_lock, (unsigned long)lock,	   \
				line);	   \
		mutex_lock(lock);		   \
		mutex_time_start = sched_clock();		   \
		mutex_locker = name;		   \
	} while (0)

#define DDP_MUTEX_UNLOCK(lock, name, line)                                     \
	do {                                                                   \
		mutex_locker = NULL;		   \
		mutex_time_end = sched_clock();		   \
		mutex_time_period = mutex_time_end - mutex_time_start;   \
		if (mutex_time_period > 1000000000) {		   \
			DDPPR_ERR("M_ULOCK:%s[%d] timeout:<%lld ns>!\n",   \
				name, line, mutex_time_period);		   \
			DRM_MMP_MARK(mutex_lock,		   \
				(unsigned long)mutex_time_period, 0);   \
			dump_stack();		   \
		}		   \
		mutex_unlock(lock);		   \
		DRM_MMP_EVENT_END(mutex_lock, (unsigned long)lock,	   \
			line);	   \
		DDPINFO("M_ULOCK:%s[%d] -\n", name, line);		   \
	} while (0)

#define DDP_MUTEX_LOCK_NESTED(lock, i, name, line)                             \
	do {                                                                   \
		DDPINFO("M_LOCK_NST[%d]:%s[%d] +\n", i, name, line);   \
		mutex_lock_nested(lock, i);		   \
	} while (0)

#define DDP_MUTEX_UNLOCK_NESTED(lock, i, name, line)                           \
	do {                                                                   \
		mutex_unlock(lock);		   \
		DDPINFO("M_ULOCK_NST[%d]:%s[%d] -\n", i, name, line);	\
	} while (0)

#ifdef CONFIG_MTK_AEE_FEATURE
#define DDPAEE(string, args...)                                                \
	do {                                                                   \
		char str[200];                                                 \
		int r;	\
		r = snprintf(str, 199, "DDP:" string, ##args);                     \
		if (r < 0) {	\
			pr_err("snprintf error\n");	\
		}	\
		aee_kernel_warning_api(__FILE__, __LINE__,                     \
				       DB_OPT_DEFAULT |                        \
					       DB_OPT_MMPROFILE_BUFFER,        \
				       str, string, ##args);                   \
		DDPPR_ERR("[DDP Error]" string, ##args);                       \
	} while (0)
#else /* !CONFIG_MTK_AEE_FEATURE */
#define DDPAEE(string, args...)                                                \
	do {                                                                   \
		char str[200];                                                 \
		int r;	\
		r = snprintf(str, 199, "DDP:" string, ##args);                     \
		if (r < 0) {	\
			pr_err("snprintf error\n");	\
		}	\
		pr_err("[DDP Error]" string, ##args);                          \
	} while (0)
#endif /* CONFIG_MTK_AEE_FEATURE */

extern bool g_mobile_log;
extern bool g_fence_log;
extern bool g_irq_log;
extern bool g_detail_log;
#endif