/* $Id: termbits.h,v 1.1 2000/07/10 16:32:31 bjornw Exp $ */

#ifndef __ARCH_ETRAX100_TERMBITS_H__
#define __ARCH_ETRAX100_TERMBITS_H__

#include <linux/posix_types.h>

typedef unsigned char	cc_t;
typedef unsigned int	speed_t;
typedef unsigned int	tcflag_t;

#define NCCS 19
struct termios {
	tcflag_t c_iflag;		/* input mode flags */
	tcflag_t c_oflag;		/* output mode flags */
	tcflag_t c_cflag;		/* control mode flags */
	tcflag_t c_lflag;		/* local mode flags */
	cc_t c_line;			/* line discipline */
	cc_t c_cc[NCCS];		/* control characters */
};

struct termios2 {
	tcflag_t c_iflag;		/* input mode flags */
	tcflag_t c_oflag;		/* output mode flags */
	tcflag_t c_cflag;		/* control mode flags */
	tcflag_t c_lflag;		/* local mode flags */
	cc_t c_line;			/* line discipline */
	cc_t c_cc[NCCS];		/* control characters */
	speed_t c_ispeed;		/* input speed */
	speed_t c_ospeed;		/* output speed */
};

struct ktermios {
	tcflag_t c_iflag;		/* input mode flags */
	tcflag_t c_oflag;		/* output mode flags */
	tcflag_t c_cflag;		/* control mode flags */
	tcflag_t c_lflag;		/* local mode flags */
	cc_t c_line;			/* line discipline */
	cc_t c_cc[NCCS];		/* control characters */
	speed_t c_ispeed;		/* input speed */
	speed_t c_ospeed;		/* output speed */
};

/* c_cc characters */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VTIME 5
#define VMIN 6
#define VSWTC 7
#define VSTART 8
#define VSTOP 9
#define VSUSP 10
#define VEOL 11
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define VLNEXT 15
#define VEOL2 16

/* c_iflag bits */
#define IGNBRK	0000001
#define BRKINT	0000002
#define IGNPAR	0000004
#define PARMRK	0000010
#define INPCK	0000020
#define ISTRIP	0000040
#define INLCR	0000100
#define IGNCR	0000200
#define ICRNL	0000400
#define IUCLC	0001000
#define IXON	0002000
#define IXANY	0004000
#define IXOFF	0010000
#define IMAXBEL	0020000
#define IUTF8	0040000

/* c_oflag bits */
#define OPOST	0000001
#define OLCUC	0000002
#define ONLCR	0000004
#define OCRNL	0000010
#define ONOCR	0000020
#define ONLRET	0000040
#define OFILL	0000100
#define OFDEL	0000200
#define NLDLY	0000400
#define   NL0	0000000
#define   NL1	0000400
#define CRDLY	0003000
#define   CR0	0000000
#define   CR1	0001000
#define   CR2	0002000
#define   CR3	0003000
#define TABDLY	0014000
#define   TAB0	0000000
#define   TAB1	0004000
#define   TAB2	0010000
#define   TAB3	0014000
#define   XTABS	0014000
#define BSDLY	0020000
#define   BS0	0000000
#define   BS1	0020000
#define VTDLY	0040000
#define   VT0	0000000
#define   VT1	0040000
#define FFDLY	0100000
#define   FF0	0000000
#define   FF1	0100000

/* c_cflag bit meaning */
/*
 *     3             2            1
 *    10 987 654 321 098 765 432 109 876 543 210
 *                             |           | ||| CBAUD
 *                                         obaud    
 *
 *                                       ||CSIZE
 *
 *                                     |CSTOP
 *                                    |CREAD
 *                                   |CPARENB
 *
 *                                 |CPARODD 
 *                                |HUPCL
 *                               |CLOCAL
 *                             |CBAUDEX
 *    10 987 654 321 098 765 432 109 876 543 210
 *        |           || ||   CIBAUD, IBSHIFT=16
 *                    ibaud
 *     |CMSPAR
 *    | CRTSCTS
 *       x x xxx xxx x     x xx Free bits
 */

#define CBAUD	0010017
#define  B0	0000000		/* hang up */
#define  B50	0000001
#define  B75	0000002
#define  B110	0000003
#define  B134	0000004
#define  B150	0000005
#define  B200	0000006
#define  B300	0000007
#define  B600	0000010
#define  B1200	0000011
#define  B1800	0000012
#define  B2400	0000013
#define  B4800	0000014
#define  B9600	0000015
#define  B19200	0000016
#define  B38400	0000017
#define EXTA B19200
#define EXTB B38400
#define CSIZE	0000060
#define   CS5	0000000
#define   CS6	0000020
#define   CS7	0000040
#define   CS8	0000060
#define CSTOPB	0000100
#define CREAD	0000200
#define PARENB	0000400
#define PARODD	0001000
#define HUPCL	0002000
#define CLOCAL	0004000
#define CBAUDEX 0010000
#define  BOTHER  0010000
#define  B57600  0010001
#define  B115200 0010002
#define  B230400 0010003
#define  B460800 0010004

/* Unsupported rates, but needed to avoid compile error. */
#define   B500000 0010005
#define   B576000 0010006
#define  B1000000 0010010
#define  B1152000 0010011
#define  B1500000 0010012
#define  B2000000 0010013
#define  B2500000 0010014
#define  B3000000 0010015
#define  B3500000 0010016
#define  B4000000 0010017

/* etrax supports these additional three baud rates */
#define  B921600   0010005
#define  B1843200  0010006
#define  B6250000  0010007
/* ETRAX FS supports this as well */
#define  B12500000 0010010
#define CIBAUD	  002003600000	/* input baud rate (used in v32) */
/* The values for CIBAUD bits are the same as the values for CBAUD and CBAUDEX
 * shifted left IBSHIFT bits.
 */
#define IBSHIFT   16
#define CMSPAR    010000000000 /* mark or space (stick) parity - PARODD=space*/
#define CRTSCTS	  020000000000		/* flow control */

/* c_lflag bits */
#define ISIG	0000001
#define ICANON	0000002
#define XCASE	0000004
#define ECHO	0000010
#define ECHOE	0000020
#define ECHOK	0000040
#define ECHONL	0000100
#define NOFLSH	0000200
#define TOSTOP	0000400
#define ECHOCTL	0001000
#define ECHOPRT	0002000
#define ECHOKE	0004000
#define FLUSHO	0010000
#define PENDIN	0040000
#define IEXTEN	0100000
#define EXTPROC	0200000

/* tcflow() and TCXONC use these */
#define	TCOOFF		0
#define	TCOON		1
#define	TCIOFF		2
#define	TCION		3

/* tcflush() and TCFLSH use these */
#define	TCIFLUSH	0
#define	TCOFLUSH	1
#define	TCIOFLUSH	2

/* tcsetattr uses these */
#define	TCSANOW		0
#define	TCSADRAIN	1
#define	TCSAFLUSH	2

#endif
