/*	$NetBSD: grfvar.h,v 1.8 1995/07/06 17:13:51 briggs Exp $	*/

/*
 * 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 $Hdr: grfvar.h 1.9 91/01/21$
 *
 *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
 */

#define CARD_NAME_LEN	64
/* per display info */
struct grf_softc {
	struct	device	sc_dev;
	nubus_slot	sc_slot;

	char		card_name[CARD_NAME_LEN];
	struct	grfmode curr_mode;	/* hardware desc(for ioctl)	*/
	u_int32_t	g_flags;	/* software flags		*/
	u_int32_t	g_type;		/* index into grfdev		*/
	u_int16_t	card_id;	/* DrHW value for nubus cards	*/
	nubus_dir	board_dir;	/* Nubus dir for curr board	*/
	caddr_t		g_data;		/* device dependent data	*/
};

/* flags */
#define	GF_ALIVE	0x01
#define GF_OPEN		0x02
#define GF_EXCLUDE	0x04
#define GF_WANTED	0x08
#define GF_BSDOPEN	0x10
#define GF_HPUXOPEN	0x20

/* display types - indices into grfdev */
#define	GT_MACVIDEO		0
#define	GT_INTERNALVIDEO	1

struct grfdev {
	int	gd_softid;	/* DrSW */
	int	(*gd_probe)();	/* probe routine */
	int	(*gd_init) ();	/* boot time initialization */
	int	(*gd_mode) ();	/* mode-change on/off/mode function */
	char	*gd_desc;	/* text description */
	caddr_t	(*gd_phys) ();	/* map virtual addr to physical addr */
};

/* requests to mode routine */
#define GM_GRFON	1
#define GM_GRFOFF	2
#define GM_CURRMODE	3
#define GM_LISTMODES	4
#define GM_NEWMODE	5

/* minor device interpretation */
#define GRFUNIT(d)	((d) & 0x7)

/*
 * Nubus image data structure.  This is the equivalent of a PixMap in
 * MacOS programming parlance.  One of these structures exists for each
 * video mode that a quickdraw compatible card can fit in.
 */
struct image_data {
	u_int32_t	size;
	u_int32_t	offset;
	u_int16_t	rowbytes;
	u_int16_t	top;
	u_int16_t	left;
	u_int16_t	bottom;
	u_int16_t	right;
	u_int16_t	version;
	u_int16_t	packType;
	u_int32_t	packSize;
	u_int32_t	hRes;
	u_int32_t	vRes;
	u_int16_t	pixelType;
	u_int16_t	pixelSize;	
	u_int16_t	cmpCount;
	u_int16_t	cmpSize;
	u_int32_t	planeBytes;
};

#define VID_PARAMS		1
#define VID_TABLE_OFFSET	2
#define VID_PAGE_CNT		3
#define VID_DEV_TYPE		4