4.3BSD-Reno/src/sys/hpdev/hilreg.h

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  Neither the name of the University nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * from: Utah $Hdr: hilreg.h 1.8 89/08/24$
 *
 *	@(#)hilreg.h	7.1 (Berkeley) 5/8/90
 */

struct	hil_dev {
	char	hil_pad0;
	volatile char	hil_data;
	char	hil_pad1;
	volatile char	hil_cmd;
#define hil_stat hil_cmd
};

#define	HILADDR			((struct hil_dev *)IOV(0x428000))
#define BBCADDR			((struct hil_dev *)IOV(0x420000))  

#define splhil			spl1

#define	HIL_BUSY		0x02
#define HIL_DATA_RDY		0x01

#define HILWAIT(hil_dev)	while ((hil_dev->hil_stat & HIL_BUSY))
#define HILDATAWAIT(hil_dev)	while ((hil_dev->hil_stat & HIL_DATA_RDY) == 0)

/* HIL status bits */
#define	HIL_POLLDATA	0x10		/* HIL poll data follows */
#define HIL_COMMAND	0x08		/* Start of original command */
#define HIL_ERROR	0x080		/* HIL error */
#define HIL_RECONFIG	0x080		/* HIL has reconfigured */
#define	HIL_STATMASK	(HIL_DATA | HIL_COMMAND)

#define HIL_SSHIFT		4	/* Bits to shift status over */
#define HIL_SMASK		0xF	/* Service request status mask */
#define HIL_DEVMASK		0x07

/* HIL status types */
#define	HIL_STATUS	0x5		/* HIL status in data register */
#define	HIL_DATA	0x6		/* HIL data in data register */
#define	HIL_CTRLSHIFT	0x8		/* key + CTRL + SHIFT */
#define	HIL_CTRL	0x9		/* key + CTRL */
#define	HIL_SHIFT	0xA		/* key + SHIFT */
#define	HIL_KEY		0xB		/* key only */
#define HIL_68K		0x4		/* Data from the 68k is ready */

/* HIL commands */
#define	HIL_SETARD	0xA0		/* set auto-repeat delay */
#define	HIL_SETARR	0xA2		/* set auto-repeat rate */
#define	HIL_SETTONE	0xA3		/* set tone generator */
#define HIL_CNMT	0xB2		/* clear nmi */
#define HIL_INTON	0x5C		/* Turn on interrupts. */
#define HIL_INTOFF	0x5D		/* Turn off interrupts. */
#define HIL_TRIGGER	0xC5		/* trigger command */
#define HIL_STARTCMD	0xE0		/* start loop command */
#define HIL_TIMEOUT	0xFE		/* timeout */
#define HIL_READTIME	0x13		/* Read real time register */

/* Read/write various registers on the 8042. */
#define	HIL_READBUSY		0x02	/* internal "busy" register */
#define HIL_READKBDLANG		0x12	/* read keyboard language code */
#define	HIL_READKBDSADR	 	0xF9
#define	HIL_WRITEKBDSADR 	0xE9
#define HIL_READLPSTAT  	0xFA
#define HIL_WRITELPSTAT 	0xEA
#define HIL_READLPCTRL  	0xFB
#define HIL_WRITELPCTRL 	0xEB

/* BUSY bits */
#define BSY_LOOPBUSY	0x04

/* LPCTRL bits */
#define LPC_AUTOPOLL	0x01	/* enable auto-polling */
#define LPC_NOERROR	0x02	/* don't report errors */
#define LPC_NORECONF	0x04	/* don't report reconfigure */
#define LPC_KBDCOOK	0x10	/* cook all keyboards */
#define LPC_RECONF	0x80	/* reconfigure the loop */

/* LPSTAT bits */
#define LPS_DEVMASK	0x07	/* number of loop devices */
#define LPS_CONFGOOD	0x08	/* reconfiguration worked */
#define LPS_CONFFAIL	0x80	/* reconfiguration failed */

/* HIL packet headers */
#define HIL_MOUSEDATA   0x2
#define HIL_KBDDATA     0x40
  
#define	HIL_MOUSEMOTION	0x02		/* mouse movement event */
#define	HIL_KBDBUTTON	0x40		/* keyboard button event */
#define HIL_MOUSEBUTTON 0x40            /* mouse button event */
#define HIL_BUTTONBOX   0x60            /* button box event */
#define HIL_TABLET      0x02            /* tablet motion event */
#define HIL_KNOBBOX     0x03            /* knob box motion data */

/* Magic */
#define KBDNMISTAT		((volatile char *)IOV(0x478005))
#define	KBDNMI			0x04

/* For setting auto repeat on the keyboard */
#define ar_format(x)	~((x - 10) / 10)
#define KBD_ARD		400		/* initial delay in msec (10 - 2560) */
#define KBD_ARR		60		/* rate (10 - 2550 msec, 2551 == off)*/