xilinx_uart.h

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/*******************************************************************************
 *   @file   xilinx/xilinx_uart.h
 *   @brief  Header containing types used in the uart driver.
 *   @author Cristian Pop (cristian.pop@analog.com)
********************************************************************************
 * Copyright 2019(c) Analog Devices, Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - 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.
 *  - Neither the name of Analog Devices, Inc. nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *  - The use of this software may or may not infringe the patent rights
 *    of one or more patent holders.  This license does not release you
 *    from the requirement that you obtain separate licenses from these
 *    patent holders to use this software.
 *  - Use of the software either in source or binary form, must be run
 *    on or directly connected to an Analog Devices Inc. component.
 *
 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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,
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*******************************************************************************/
 
#ifndef XILINX_UART_H_
#define XILINX_UART_H_
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
/******************************************************************************/
/********************** Macros and Constants Definitions **********************/
/******************************************************************************/
 
#define UART_BUFF_LENGTH 256
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
 
enum xil_uart_type {
    UART_PL,
    UART_PS
};
 
struct xil_uart_init_param {
    enum xil_uart_type  type;
    uint32_t            irq_id;
    struct no_os_irq_ctrl_desc *irq_desc;
};
 
struct xil_uart_desc {
    enum xil_uart_type  type;
    uint32_t            irq_id;
    struct no_os_irq_ctrl_desc *irq_desc;
    struct no_os_fifo_element   *fifo;
    uint32_t            fifo_read_offset;
    char                buff[UART_BUFF_LENGTH];
    uint32_t            bytes_received;
    uint32_t            total_error_count;
    void                *instance;
};
 
extern const struct no_os_uart_platform_ops xil_uart_ops;
 
#endif