/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _PERF_PMU_PRI_H
#define _PERF_PMU_PRI_H

#include "los_perf_pri.h"

#ifdef LOSCFG_HRTIMER_ENABLE
#include "linux/hrtimer.h"
#endif

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */

typedef struct {
    Pmu pmu;
    BOOL canDivided;
    UINT32 cntDivided;
    VOID (*enable)(Event *event);
    VOID (*disable)(Event *event);
    VOID (*start)(VOID);
    VOID (*stop)(VOID);
    VOID (*clear)(VOID);
    VOID (*setPeriod)(Event *event);
    UINTPTR (*readCnt)(Event *event);
    UINT32 (*mapEvent)(UINT32 eventType, BOOL reverse);
} HwPmu;

typedef struct {
    Pmu pmu;
    union {
        struct { /* trace event */
            BOOL enable;
        };
#ifdef LOSCFG_HRTIMER_ENABLE
        struct { /* timer event */
            struct hrtimer hrtimer;
            union ktime time;
            union ktime cfgTime;
        };
#endif
    };
} SwPmu;

#define GET_HW_PMU(item)                    LOS_DL_LIST_ENTRY(item, HwPmu, pmu)

#define TIMER_PERIOD_LOWER_BOUND_US         100

#define CCNT_FULL                           0xFFFFFFFF
#define CCNT_PERIOD_LOWER_BOUND             0x00000000
#define CCNT_PERIOD_UPPER_BOUND             0xFFFFFF00
#define PERIOD_CALC(p)                      (CCNT_FULL - (p))
#define VALID_PERIOD(p)                     ((PERIOD_CALC(p) > CCNT_PERIOD_LOWER_BOUND) \
                                            && (PERIOD_CALC(p) < CCNT_PERIOD_UPPER_BOUND))

#define PERF_HW_INVALID_EVENT_TYPE          0xFFFFFFFF

#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))

#define PMU_LABEL_INT_1                \
    NUM_HAL_INTERRUPT_PMU_0,
#define PMU_LABEL_INT_2                \
    PMU_LABEL_INT_1                    \
    NUM_HAL_INTERRUPT_PMU_1,
#define PMU_LABEL_INT_3                \
    PMU_LABEL_INT_2                    \
    NUM_HAL_INTERRUPT_PMU_2,
#define PMU_LABEL_INT_4                \
    PMU_LABEL_INT_3                    \
    NUM_HAL_INTERRUPT_PMU_3,

#define PMU_INT(_num)    PMU_LABEL_INT_##_num

#define OS_PMU_INTS(_num, _list)      \
    STATIC UINT32 _list[_num] = {     \
        PMU_INT(_num)                 \
    }

extern UINT32 OsPerfPmuRegister(Pmu *pmu);
extern VOID OsPerfPmuRm(UINT32 type);
extern Pmu *OsPerfPmuGet(UINT32 type);

extern UINT32 OsHwPmuInit(VOID);
extern UINT32 OsSwPmuInit(VOID);
extern UINT32 OsTimedPmuInit(VOID);

extern UINT32 OsGetPmuCounter0(VOID);
extern UINT32 OsGetPmuMaxCounter(VOID);
extern UINT32 OsGetPmuCycleCounter(VOID);
extern UINT32 OsPerfHwInit(HwPmu *hwPmu);

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

#endif /* _PERF_PMU_PRI_H */
