/* SPDX-License-Identifier: GPL-2.0 */
/*
 * timbuart.c timberdale FPGA GPIO driver
 * Copyright (c) 2009 Intel Corporation
 */

/* Supports:
 * Timberdale FPGA UART
 */

#ifndef _TIMBUART_H
#define _TIMBUART_H

#define TIMBUART_FIFO_SIZE      2048

#define TIMBUART_RXFIFO         0x08
#define TIMBUART_TXFIFO         0x0c
#define TIMBUART_IER            0x10
#define TIMBUART_IPR            0x14
#define TIMBUART_ISR            0x18
#define TIMBUART_CTRL           0x1c
#define TIMBUART_BAUDRATE       0x20

#define TIMBUART_CTRL_RTS       0x01
#define TIMBUART_CTRL_CTS       0x02
#define TIMBUART_CTRL_FLSHTX    0x40
#define TIMBUART_CTRL_FLSHRX    0x80

#define TXBF            0x01
#define TXBAE           0x02
#define CTS_DELTA       0x04
#define RXDP            0x08
#define RXBAF           0x10
#define RXBF            0x20
#define RXTT            0x40
#define RXBNAE          0x80
#define TXBE            0x100

#define RXFLAGS (RXDP | RXBAF | RXBF | RXTT | RXBNAE)
#define TXFLAGS (TXBF | TXBAE)

#define TIMBUART_MAJOR 204
#define TIMBUART_MINOR 192

#endif /* _TIMBUART_H */