/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
        Mantis PCI bridge driver

        Copyright (C) Manu Abraham (abraham.manu@gmail.com)

*/

#ifndef __MANTIS_UART_H
#define __MANTIS_UART_H

#define MANTIS_UART_CTL                 0xe0
#define MANTIS_UART_RXINT               (1 << 4)
#define MANTIS_UART_RXFLUSH             (1 << 2)

#define MANTIS_UART_RXD                 0xe8
#define MANTIS_UART_BAUD                0xec

#define MANTIS_UART_STAT                0xf0
#define MANTIS_UART_RXFIFO_DATA         (1 << 7)
#define MANTIS_UART_RXFIFO_EMPTY        (1 << 6)
#define MANTIS_UART_RXFIFO_FULL         (1 << 3)
#define MANTIS_UART_FRAME_ERR           (1 << 2)
#define MANTIS_UART_PARITY_ERR          (1 << 1)
#define MANTIS_UART_RXTHRESH_INT        (1 << 0)

enum mantis_baud {
        MANTIS_BAUD_9600        = 0,
        MANTIS_BAUD_19200,
        MANTIS_BAUD_38400,
        MANTIS_BAUD_57600,
        MANTIS_BAUD_115200
};

enum mantis_parity {
        MANTIS_PARITY_NONE      = 0,
        MANTIS_PARITY_EVEN,
        MANTIS_PARITY_ODD,
};

struct mantis_pci;

extern int mantis_uart_init(struct mantis_pci *mantis);
extern void mantis_uart_exit(struct mantis_pci *mantis);

#endif /* __MANTIS_UART_H */