NetBSD/sys/arch/hp300/dev/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 and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: Utah Hdr: hilreg.h 1.9 91/01/21
 *	from: @(#)hilreg.h	7.3 (Berkeley) 5/7/91
 *	$Id: hilreg.h,v 1.3 1993/09/02 19:04:43 mycroft Exp $
 */

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 *)IIOV(0x428000))
#define BBCADDR			((struct hil_dev *)IIOV(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 *)IIOV(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)*/