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/* (-lgl
 * 	COHERENT Driver Kit Version 1.1.0
 * 	Copyright (c) 1982, 1990 by Mark Williams Company.
 * 	All rights reserved. May not be copied without permission.
 -lgl) */
/*
 * Keyboard/display driver.
 * Coherent, IBM PC/XT/AT.
 */
#include <sys/coherent.h>
#include <sys/i8086.h>
#include <sys/con.h>
#include <sys/devices.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/tty.h>
#include <sys/uproc.h>
#include <signal.h>
#include <sys/sched.h>

#define	SPC	0376			/* Special encoding */
#define XXX	0377			/* Non-character */
#define	KBDATA	0x60			/* Keyboard data */
#define	KBCTRL	0x61			/* Keyboard control */
#define	KBFLAG	0x80			/* Keyboard reset flag */
#define	LEDCMD	0xED			/* status indicator command */
#define	KBACK	0xFA			/* status indicator acknowledge */
#define	EXTENDED1 0xE1			/* extended key seq initiator */

#define	KEYUP	0x80			/* Key up change */
#define	KEYSC	0x7F			/* Key scan code mask */
#define	LSHIFT	0x2A-1			/* Left shift key */
#define LSHIFTA 0x2B-1			/* Alternate left-shift key */
#define	RSHIFT	0x36-1			/* Right shift key */
#define	CTRL	0x1D-1			/* Control key */
/*-- #define	CAPLOCK	0x1D-1	--*/		/* Control key */
#define	ALT	0x38-1			/* Alt key */
#define	CAPLOCK	0x3A-1			/* Caps lock key */
/*-- #define	CTRL	0x3A-1	--*/		/* Caps lock key */
#define	NUMLOCK	0x45-1			/* Numeric lock key */
#define	DELETE	0x53-1			/* Del, as in CTRL-ALT-DEL */
#define BACKSP	0x0E-1			/* Back space */
#define SCRLOCK	0x46-1			/* Scroll lock */

/* Shift flags */
#define	SRS	0x01			/* Right shift key on */
#define	SLS	0x02			/* Left shift key on */
#define CTS	0x04			/* Ctrl key on */
#define ALS	0x08			/* Alt key on */
#define CPLS	0x10			/* Caps lock on */
#define NMLS	0x20			/* Num lock on */
#define AKPS	0x40			/* Alternate keypad shift */
#define SHFT	0x80			/* Shift key flag */

/* Function key information */
#define	NFKEY	20			/* Number of settable functions */
#define	NFCHAR	150			/* Number of characters settable */
#define	NFBUF	(NFKEY*2+NFCHAR+1)	/* Size of buffer */

/*
 * Functions.
 */
int	isrint();
int	istime();
void	isbatch();
int	mmstart();
int	isopen();
int	isclose();
int	isread();
int	mmwrite();
int	isioctl();
void	mmwatch();
int	isload();
int	isuload();
int	ispoll();
int	nulldev();
int	nonedev();

/*
 * Configuration table.
 */
CON iscon ={
	DFCHR|DFPOL,			/* Flags */
	KB_MAJOR,				/* Major index */
	isopen,				/* Open */
	isclose,			/* Close */
	nulldev,			/* Block */
	isread,				/* Read */
	mmwrite,			/* Write */
	isioctl,			/* Ioctl */
	nulldev,			/* Powerfail */
	mmwatch,			/* Timeout */
	isload,				/* Load */
	isuload,			/* Unload */
	ispoll				/* Poll */
};

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