mantis_uart.h

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/*
    Mantis PCI bridge driver

    Copyright (C) Manu Abraham ([email protected])

    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.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#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 */