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/*

 * mcfserial.h -- Definitions for the ColdFire serial driver.

 *

 * Copyright (C) 1999, Greg Ungerer (gerg@moreton.com.au)

 *

 * Based on 68332serial.h, which was:

 *

 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)

 * Copyright (C) 1998 TSHG

 */

#ifndef _MCF_SERIAL_H

#define _MCF_SERIAL_H

#include <linux/config.h>

#include <linux/serial.h>

#ifdef __KERNEL__

/*

 *      Define a local serial stats structure.

 */

struct mcf_stats {

        unsigned int    rx;

        unsigned int    tx;

        unsigned int    rxbreak;

        unsigned int    rxframing;

        unsigned int    rxparity;

        unsigned int    rxoverrun;

};

/*

 * This is our internal structure for each serial port's state.

 * Each serial port has one of these structures associated with it.

 */

struct mcf_serial {

        int                     magic;

        unsigned int            addr;           /* UART memory address */

        int                     irq;

        int                     flags;          /* defined in tty.h */

        int                     type;           /* UART type */

        struct tty_struct       *tty;

        unsigned char           imr;            /* Software imr register */

        unsigned int            baud;

        int                     sigs;

        int                     custom_divisor;

        int                     x_char; /* xon/xoff character */

        int                     baud_base;

        int                     close_delay;

        unsigned short          closing_wait;

        unsigned short          closing_wait2;

        unsigned long           event;

        int                     line;

        int                     count;      /* # of fd on device */

        int                     blocked_open; /* # of blocked opens */

        long                    session; /* Session of opening process */

        long                    pgrp; /* pgrp of opening process */

        unsigned char           *xmit_buf;

        int                     xmit_head;

        int                     xmit_tail;

        int                     xmit_cnt;

        struct mcf_stats        stats;

        struct tq_struct        tqueue;

        struct tq_struct        tqueue_hangup;

        struct termios          normal_termios;

        struct termios          callout_termios;

        struct wait_queue       *open_wait;

        struct wait_queue       *close_wait;

};

#endif /* __KERNEL__ */

#endif /* _MCF_SERIAL_H */