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Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

/*	$OpenBSD: adb.h,v 1.3 2007/03/13 20:56:56 miod Exp $	*/
/*	$NetBSD: adbsys.h,v 1.4 2000/12/19 02:59:24 tsubai Exp $	*/

/*-
 * Copyright (C) 1993, 1994	Allen K. Briggs, Chris P. Caputo,
 *			Michael L. Finch, Bradley A. Grantham, and
 *			Lawrence A. Kesteloot
 * All rights reserved.
 *
 * 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 Alice Group.
 * 4. The names of the Alice Group or any of its members may not be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``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 ALICE GROUP 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.
 */

#ifndef _ADB_H_
#define _ADB_H_

#ifdef _KERNEL

/*
 * Arguments used to attach a device to the Apple Desktop Bus
 */
struct adb_attach_args {
	int	origaddr;
	int	adbaddr;
	int	handler_id;
};

#define	ADB_CMDADDR(cmd)	((u_int8_t)(cmd & 0xf0) >> 4)
#define	ADBFLUSH(dev)		((((u_int8_t)dev & 0x0f) << 4) | 0x01)
#define	ADBLISTEN(dev, reg)	((((u_int8_t)dev & 0x0f) << 4) | 0x08 | reg)
#define	ADBTALK(dev, reg)	((((u_int8_t)dev & 0x0f) << 4) | 0x0c | reg)

/* an ADB event */
typedef struct adb_event_s {
	int byte_count;			/* number of bytes */
	unsigned char bytes[8];		/* bytes from register 0 */
} adb_event_t;

	/* Interesting default addresses */
#define	ADBADDR_SECURE	1		/* Security dongles */
#define ADBADDR_MAP	2		/* Mapped devices (keyboards/pads) */
#define ADBADDR_REL	3		/* Relative positioning devices
					   (mice, trackballs/pads) */
#define ADBADDR_ABS	4		/* Absolute positioning devices
					   (graphics tablets) */
#define ADBADDR_DATATX	5
#define ADBADDR_RSRVD	6		/* Reserved by Apple */
#define ADBADDR_MISC	7		/* Miscellaneous appliances */
#define ADBADDR_DONGLE	ADBADDR_SECURE
#define ADBADDR_KBD	ADBADDR_MAP
#define ADBADDR_MS	ADBADDR_REL
#define ADBADDR_TABLET	ADBADDR_ABS
#define ADBADDR_MODEM	ADBADDR_DATATX

#define ADBADDR_APM	0xac0ff		/* A faux-addr for the APM driver to
					   latch onto */

	/* Interesting keyboard handler IDs */
#define ADB_STDKBD	1
#define ADB_EXTKBD	2
#define ADB_ISOKBD	4
#define ADB_EXTISOKBD	5
#define ADB_KBDII	8
#define ADB_ISOKBDII	9
#define ADB_PBKBD	12
#define ADB_PBISOKBD	13
#define ADB_ADJKPD	14
#define ADB_ADJKBD	16
#define ADB_ADJISOKBD	17
#define ADB_ADJJAPKBD	18
#define ADB_PBEXTISOKBD	20
#define ADB_PBEXTJAPKBD	21
#define ADB_JPKBDII	22
#define ADB_PBEXTKBD	24
#define ADB_DESIGNKBD	27	/* XXX Needs to be verified XXX */
#define ADB_PBJPKBD	30
#define ADB_PBG4KBD	195
#define ADB_IBITISOKBD	196
#define ADB_PBG3JPKBD	201

	/* Interesting mouse handler IDs */
#define ADBMS_100DPI	1
#define ADBMS_200DPI	2
#define ADBMS_MSA3	3	/* Mouse Systems A3 Mouse */
#define ADBMS_EXTENDED	4	/* Extended mouse protocol */
#define ADBMS_USPEED	0x2f	/* MicroSpeed mouse */
#define ADBMS_UCONTOUR	0x66	/* Contour mouse */
#define ADBMS_TURBO	50	/* Kensington Turbo Mouse */

	/* Interesting tablet handler ID */
#define ADB_ARTPAD	58	/* WACOM ArtPad II tablet */

	/* Interesting miscellaneous handler ID */
#define ADB_POWERKEY	34	/* Sophisticated Circuits PowerKey */
				/* (intelligent power tap) */

extern int	adb_polling;
#ifdef ADB_DEBUG
extern int	adb_debug;
#endif

/* ADB Manager */

typedef caddr_t Ptr;

typedef struct {
	Ptr siServiceRtPtr;
	Ptr siDataAreaAddr;
} ADBSetInfoBlock;

typedef struct {
	unsigned char	devType;
	unsigned char	origADBAddr;
	Ptr		dbServiceRtPtr;
	Ptr		dbDataAreaAddr;
} ADBDataBlock;

int	adbprint(void *, const char *);
int	adb_op_sync(Ptr, short);
int	set_adb_info(ADBSetInfoBlock *, int);

#endif	/* _KERNEL */

#endif /* _ADB_H_ */