rt-thread/bsp/thead-smart/drivers/dw_timer.h

/*
 * Copyright (C) 2017-2019 Alibaba Group Holding Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2020-08-20     zx.chen      header file for timer driver
 */

#ifndef __DW_TIMER_H
#define __DW_TIMER_H

#include <stdio.h>
#include "soc.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 *  define the bits for TxControl
 */
#define DW_TIMER_TXCONTROL_ENABLE      (1UL << 0)
#define DW_TIMER_TXCONTROL_MODE        (1UL << 1)
#define DW_TIMER_TXCONTROL_INTMASK     (1UL << 2)
#define DW_TIMER_TXCONTROL_TRIGGER     (1UL << 4)

#define DW_TIMER_INIT_DEFAULT_VALUE     (0xffffffff / drv_get_timer_freq(0) * 1000000)

typedef struct
{
    __IOM uint32_t TxLoadCount;              /* Offset: 0x000 (R/W)  Receive buffer register */
    __IM  uint32_t TxCurrentValue;            /* Offset: 0x004 (R)  Transmission hold register */
    __IOM uint8_t  TxControl: 5;              /* Offset: 0x008 (R/W)  Clock frequency division low section register */
    uint8_t        RESERVED0[3];
    __IM  uint8_t  TxEOI: 1;                   /* Offset: 0x00c (R)  Clock frequency division high section register */
    uint8_t        RESERVED1[3];
    __IM  uint8_t  TxIntStatus: 1;             /* Offset: 0x010 (R)  Interrupt enable register */
    uint8_t        RESERVED2[3];
} dw_timer_reg_t;

#ifdef __cplusplus
}
#endif

#endif /* __DW_TIMER_H */