fbio.h

早期freebsd实现

/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software developed by the Computer Systems
 * Engineering group at Lawrence Berkeley Laboratory under DARPA
 * contract BG 91-66 and contributed to Berkeley.
 *
 * 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: $Header: fbio.h,v 1.3 91/12/13 22:16:32 torek Exp $ (LBL)
 *
 * from: sys/fbio.h		7.2 (Berkeley) 4/1/92
 *
 *	@(#)fbio.h	8.1 (Berkeley) 6/10/93
 */

/*
 * Frame buffer ioctls (from Sprite, trimmed to essentials for X11).
 */

/*
 * Frame buffer type codes.
 */

#define	FBTYPE_BM		100	/* LUNA 4bit(1bit) frame buffer */

/*
 * Frame buffer descriptor as returned by FBIOGTYPE.
 */

struct fbtype {
	int	fb_type;	/* as defined above */
	int	fb_height;	/* in pixels */
	int	fb_width;	/* in pixels */
	int	fb_depth;	/* bits per pixel */
	int	fb_cmsize;	/* size of color map (entries) */
	int	fb_size;	/* total size in bytes */
};

#define	FBIOGTYPE	_IOR('F', 0, struct fbtype)


/*
 * Reflesh Countor I/O
 */

struct fb_rfc {
	short	rfc_hcnt;
	short	rfc_vcnt;
};

#define	FBIOSETRFCT	_IOW('F', 3, struct fb_rfc)
#define	FBIOGETRFCT	_IOR('F', 4, struct fb_rfc)


/*
 * Color map I/O.
 */

#ifdef notyet
struct fb_palette {
	int	index;		/* first element (0 origin) */
	int	count;		/* number of elements */
	u_char	*red;		/* red color map elements */
	u_char	*green;		/* green color map elements */
	u_char	*blue;		/* blue color map elements */
};

#define	FBIOSETPALT	_IOW('F', 5, struct fb_palette)
#define	FBIOGETPALT	_IOR('F', 6, struct fb_palette)
#endif