/*
 * drivers/amlogic/uart/meson_uart.h
 *
 * Copyright (C) 2017 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 _LINUX_AM_UART_H
#define _LINUX_AM_UART_H
/* #include <mach/am_regs.h> */

#define UART_OVERFLOW_ERR (0x01<<18)
#define UART_FRAME_ERR (0x01<<17)
#define UART_PARITY_ERR (0x01<<16)

#define UART_CLEAR_ERR (0x01<<24)

#define UART_RXENB	       (0x01<<13)
#define UART_RXEMPTY			(0x01<<20)
#define UART_RXFULL			(0x01<<19)
#define UART_TXENB         (0x01<<12)
#define UART_TXEMPTY     (0x01<<22)
#define UART_TXFULL   (0x01<<21)

#define UART_TXRST      (0x01<<22)
#define UART_RXRST      (0x01<<23)
#define UART_RXINT_EN   (0x01<<27)
#define UART_TXINT_EN   (0x01<<28)
#define UART_CTS_EN     (0x01<<31)
#define UART_WFIFO      0
#define UART_RFIFO      1
#define UART_CONTROL    2
#define UART_STATUS     3
#define UART_MISC       4
#define UART_REG5		5

#define P_UART(uart_base, reg)	CBUS_REG_ADDR(uart_base+reg)
#define P_UART_WFIFO(uart_base)	P_UART(uart_base, UART_WFIFO)
#define P_UART_RFIFO(uart_base)	P_UART(uart_base, UART_RFIFO)

#define P_UART_CONTROL(uart_base)    P_UART(uart_base, UART_CONTROL)
    #define UART_CNTL_MASK_BAUD_RATE                (0xfff)
    #define UART_CNTL_MASK_TX_EN                    (1<<12)
    #define UART_CNTL_MASK_RX_EN                    (1<<13)
    #define UART_CNTL_MASK_2WIRE                    (1<<15)
    #define UART_CNTL_MASK_STP_BITS                 (3<<16)
    #define UART_CNTL_MASK_STP_1BIT                 (0<<16)
    #define UART_CNTL_MASK_STP_2BIT                 (1<<16)
    #define UART_CNTL_MASK_PRTY_EVEN                (0<<18)
    #define UART_CNTL_MASK_PRTY_ODD                 (1<<18)
    #define UART_CNTL_MASK_PRTY_TYPE                (1<<18)
    #define UART_CNTL_MASK_PRTY_EN                  (1<<19)
    #define UART_CNTL_MASK_CHAR_LEN                 (3<<20)
    #define UART_CNTL_MASK_CHAR_8BIT                (0<<20)
    #define UART_CNTL_MASK_CHAR_7BIT                (1<<20)
    #define UART_CNTL_MASK_CHAR_6BIT                (2<<20)
    #define UART_CNTL_MASK_CHAR_5BIT                (3<<20)
    #define UART_CNTL_MASK_RST_TX                   (1<<22)
    #define UART_CNTL_MASK_RST_RX                   (1<<23)
    #define UART_CNTL_MASK_CLR_ERR                  (1<<24)
    #define UART_CNTL_MASK_INV_RX                   (1<<25)
    #define UART_CNTL_MASK_INV_TX                   (1<<26)
    #define UART_CNTL_MASK_RINT_EN                  (1<<27)
    #define UART_CNTL_MASK_TINT_EN                  (1<<28)
    #define UART_CNTL_MASK_INV_CTS                  (1<<29)
    #define UART_CNTL_MASK_MASK_ERR                 (1<<30)
    #define UART_CNTL_MASK_INV_RTS                  (1<<31)
    #define P_UART_STATUS(uart_base)  P_UART(uart_base, UART_STATUS)
    #define UART_STAT_MASK_RFIFO_CNT                (0x7f<<0)
    #define UART_STAT_MASK_TFIFO_CNT                (0x7f<<8)
    #define UART_STAT_MASK_PRTY_ERR                 (1<<16)
    #define UART_STAT_MASK_FRAM_ERR                 (1<<17)
    #define UART_STAT_MASK_WFULL_ERR                (1<<18)
    #define UART_STAT_MASK_RFIFO_FULL               (1<<19)
    #define UART_STAT_MASK_RFIFO_EMPTY              (1<<20)
    #define UART_STAT_MASK_TFIFO_FULL               (1<<21)
    #define UART_STAT_MASK_TFIFO_EMPTY              (1<<22)
#define P_UART_MISC(uart_base)    P_UART(uart_base, UART_MISC)


#define SERIAL_MAGIC 0x5301

/*
 * This should be used by drivers which want to register
 * their own 8250 ports without registering their own
 * platform device.  Using these will make your driver
 * dependent on the 8250 driver.
 */
struct uart_port;


#endif