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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: wskbdvar.h,v 1.2 2002/03/14 01:27:03 millert Exp $ */
/* $NetBSD: wskbdvar.h,v 1.8 1999/12/01 23:22:59 augustss Exp $ */

/*
 * Copyright (c) 1996, 1997 Christopher G. Demetriou.  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 Christopher G. Demetriou
 *	for the NetBSD Project.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/*
 * WSKBD interfaces.
 */

/*
 * Keyboard access functions (must be provided by all keyboards).
 *
 * There is a "void *" cookie provided by the keyboard driver associated
 * with these functions, which is passed to them when they are invoked.
 */
struct wskbd_accessops {
	int	(*enable)(void *, int);
	void    (*set_leds)(void *, int);
	int     (*ioctl)(void *v, u_long cmd, caddr_t data, int flag,
			      struct proc *p);
};

/*
 * Keyboard console functions (must be provided by console input keyboards).
 *
 * There is a "void *" cookie provided by the keyboard driver associated
 * with these functions, which is passed to them when they are invoked.
 */
struct wskbd_consops {
	void    (*getc)(void *, u_int *, int *);
	void    (*pollc)(void *, int);
	void	(*bell)(void *, u_int, u_int, u_int);
};

/*
 * Attachment information provided by wskbddev devices when attaching
 * wskbd units.
 */
struct wskbddev_attach_args {
	int	console;				/* is it console? */
	const struct wskbd_mapdata *keymap;

	const struct wskbd_accessops *accessops;        /* access ops */
	void	*accesscookie;				/* access cookie */
};

#define	WSKBDDEVCF_CONSOLE	0
#define	wskbddevcf_console	cf_loc[WSKBDDEVCF_CONSOLE]	/* spec'd as console? */
#define	WSKBDDEVCF_CONSOLE_UNK	-1

#define	WSKBDDEVCF_MUX		1
#define	wskbddevcf_mux		cf_loc[WSKBDDEVCF_MUX]

/*
 * Autoconfiguration helper functions.
 */
void	wskbd_cnattach(const struct wskbd_consops *, void *,
			    const struct wskbd_mapdata *);
void	wskbd_cndetach(void);
int	wskbddevprint(void *, const char *);

/*
 * Callbacks from the keyboard driver to the wskbd interface driver.
 */
void	wskbd_input(struct device *kbddev, u_int type, int value);
/* for WSDISPLAY_COMPAT_RAWKBD */
void	wskbd_rawinput(struct device *, u_char *, int);

/*
 * Console interface.
 */
int	wskbd_cngetc(dev_t dev);
void	wskbd_cnpollc(dev_t dev, int poll);
void	wskbd_cnbell(dev_t, u_int, u_int, u_int);