#ifndef _HGUART_V4_H
#define _HGUART_V4_H

#ifdef __cplusplus
extern "C" {
#endif


/** @brief Simple uart operating handle structure
  * @{
  */
struct hguart_v4 {
  struct uart_device    dev;
  uint32                hw;
  uart_irq_hdl          irq_hdl;
  uint32                irq_data;
  uint32 				        tx_total_byte;
  uint32 				        tx_cur_byte;
  uint8				         *p_tx_buf;
	struct os_semaphore   sema_tx;
	struct os_mutex       mutex_tx;
	struct os_mutex       mutex_rx;
  uint16                irq_num;
  uint16                comm_irq_num;
  uint16                opened    :1,
                        use_dma   :1,
                        irq_dma_tx:1,
                        irq_dma_rx:1,
                        debug_uart:1,
                        rs485_set :1,
                        dsleep    :1;
#ifdef CONFIG_SLEEP
    struct {
      uint32_t con;
      uint32_t baud;
      uint32_t tocon;
      uint32_t dmaadr;
      uint32_t dmalen;
      uint32_t dmacon;
    }bp_regs;
    uint32               bp_irq_flags;
    uart_irq_hdl         bp_irq_hdl;
    uint32               bp_irq_data;
    struct os_mutex      bp_suspend_lock;
    struct os_mutex      bp_resume_lock;
#endif
};


int32 hguart_v4_attach(uint32 dev_id, struct hguart_v4 *uart);


#ifdef __cplusplus
}
#endif

#endif