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#ifndef _ALPHA_TERMIOS_H

#define _ALPHA_TERMIOS_H

#include <asm/ioctls.h>

#include <asm/termbits.h>

struct sgttyb {

        char    sg_ispeed;

        char    sg_ospeed;

        char    sg_erase;

        char    sg_kill;

        short   sg_flags;

};

struct tchars {

        char    t_intrc;

        char    t_quitc;

        char    t_startc;

        char    t_stopc;

        char    t_eofc;

        char    t_brkc;

};

struct ltchars {

        char    t_suspc;

        char    t_dsuspc;

        char    t_rprntc;

        char    t_flushc;

        char    t_werasc;

        char    t_lnextc;

};

struct winsize {

        unsigned short ws_row;

        unsigned short ws_col;

        unsigned short ws_xpixel;

        unsigned short ws_ypixel;

};

#define NCC 8

struct termio {

        unsigned short c_iflag;         /* input mode flags */

        unsigned short c_oflag;         /* output mode flags */

        unsigned short c_cflag;         /* control mode flags */

        unsigned short c_lflag;         /* local mode flags */

        unsigned char c_line;           /* line discipline */

        unsigned char c_cc[NCC];        /* control characters */

};

/*

 * c_cc characters in the termio structure.  Oh, how I love being

 * backwardly compatible.  Notice that character 4 and 5 are

 * interpreted differently depending on whether ICANON is set in

 * c_lflag.  If it's set, they are used as _VEOF and _VEOL, otherwise

 * as _VMIN and V_TIME.  This is for compatibility with OSF/1 (which

 * is compatible with sysV)...

 */

#define _VINTR  0

#define _VQUIT  1

#define _VERASE 2

#define _VKILL  3

#define _VEOF   4

#define _VMIN   4

#define _VEOL   5

#define _VTIME  5

#define _VEOL2  6

#define _VSWTC  7

/* line disciplines */

#define N_TTY           0

#define N_SLIP          1

#define N_MOUSE         2

#define N_PPP           3

#define N_AX25          5

#ifdef __KERNEL__

/*      eof=^D          eol=\0          eol2=\0         erase=del

        werase=^W       kill=^U         reprint=^R      sxtc=\0

        intr=^C         quit=^\         susp=^Z         <OSF/1 VDSUSP>

        start=^Q        stop=^S         lnext=^V        discard=^U

        vmin=\1         vtime=\0

*/

#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"

/*

 * Translate a "termio" structure into a "termios". Ugh.

 */

extern inline void trans_from_termio(struct termio * termio,

        struct termios * termios)

{

#define SET_LOW_BITS(x,y)       ((x) = (0xffff0000 & (x)) | (y))

        SET_LOW_BITS(termios->c_iflag, termio->c_iflag);

        SET_LOW_BITS(termios->c_oflag, termio->c_oflag);

        SET_LOW_BITS(termios->c_cflag, termio->c_cflag);

        SET_LOW_BITS(termios->c_lflag, termio->c_lflag);

#undef SET_LOW_BITS

        termios->c_cc[VINTR] = termio->c_cc[_VINTR];

        termios->c_cc[VQUIT] = termio->c_cc[_VQUIT];

        termios->c_cc[VERASE]= termio->c_cc[_VERASE];

        termios->c_cc[VKILL] = termio->c_cc[_VKILL];

        termios->c_cc[VEOF]  = termio->c_cc[_VEOF];

        termios->c_cc[VMIN]  = termio->c_cc[_VMIN];

        termios->c_cc[VEOL]  = termio->c_cc[_VEOL];

        termios->c_cc[VTIME] = termio->c_cc[_VTIME];

        termios->c_cc[VEOL2] = termio->c_cc[_VEOL2];

        termios->c_cc[VSWTC] = termio->c_cc[_VSWTC];

}

/*

 * Translate a "termios" structure into a "termio". Ugh.

 *

 * Note the "fun" _VMIN overloading.

 */

extern inline void trans_to_termio(struct termios * termios,

        struct termio * termio)

{

        termio->c_iflag = termios->c_iflag;

        termio->c_oflag = termios->c_oflag;

        termio->c_cflag = termios->c_cflag;

        termio->c_lflag = termios->c_lflag;

        termio->c_line  = termios->c_line;

        termio->c_cc[_VINTR] = termios->c_cc[VINTR];

        termio->c_cc[_VQUIT] = termios->c_cc[VQUIT];

        termio->c_cc[_VERASE]= termios->c_cc[VERASE];

        termio->c_cc[_VKILL] = termios->c_cc[VKILL];

        termio->c_cc[_VEOF]  = termios->c_cc[VEOF];

        termio->c_cc[_VEOL]  = termios->c_cc[VEOL];

        termio->c_cc[_VEOL2] = termios->c_cc[VEOL2];

        termio->c_cc[_VSWTC] = termios->c_cc[VSWTC];

        if (!(termios->c_lflag & ICANON)) {

                termio->c_cc[_VMIN]  = termios->c_cc[VMIN];

                termio->c_cc[_VTIME] = termios->c_cc[VTIME];

        }

}

#endif  /* __KERNEL__ */

#endif  /* _ALPHA_TERMIOS_H */