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grfvar.h revision 1.9 
      1 /*	$NetBSD: grfvar.h,v 1.9 1996/05/05 06:16:37 briggs Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1990 The Regents of the University of California.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
     41  *
     42  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
     43  */
     44 
     45 #define CARD_NAME_LEN	64
     46 /* per display info */
     47 struct grf_softc {
     48 	struct	device	sc_dev;
     49 	nubus_slot	sc_slot;
     50 
     51 	char		card_name[CARD_NAME_LEN];
     52 	struct	grfmode curr_mode;	/* hardware desc(for ioctl)	*/
     53 	u_int32_t	g_flags;	/* software flags		*/
     54 	u_int32_t	g_type;		/* index into grfdev		*/
     55 	u_int16_t	card_id;	/* DrHW value for nubus cards	*/
     56 	nubus_dir	board_dir;	/* Nubus dir for curr board	*/
     57 	int		(*g_mode) __P((struct grf_softc *, int, void *));
     58 					/* mode-change on/off/mode function */
     59 	caddr_t		(*g_phys) __P((struct grf_softc *, vm_offset_t));
     60 					/* map virtual addr to physical addr */
     61 	caddr_t		g_data;		/* device dependent data	*/
     62 };
     63 
     64 typedef	caddr_t (*grf_phys_t) __P((struct grf_softc *gp, vm_offset_t addr));
     65 
     66 /* flags */
     67 #define	GF_ALIVE	0x01
     68 #define GF_OPEN		0x02
     69 #define GF_EXCLUDE	0x04
     70 #define GF_WANTED	0x08
     71 #define GF_BSDOPEN	0x10
     72 #define GF_HPUXOPEN	0x20
     73 
     74 /* requests to mode routine */
     75 #define GM_GRFON	1
     76 #define GM_GRFOFF	2
     77 #define GM_CURRMODE	3
     78 #define GM_LISTMODES	4
     79 #define GM_NEWMODE	5
     80 
     81 /* minor device interpretation */
     82 #define GRFUNIT(d)	((d) & 0x7)
     83 
     84 /*
     85  * Nubus image data structure.  This is the equivalent of a PixMap in
     86  * MacOS programming parlance.  One of these structures exists for each
     87  * video mode that a quickdraw compatible card can fit in.
     88  */
     89 struct image_data {
     90 	u_int32_t	size;
     91 	u_int32_t	offset;
     92 	u_int16_t	rowbytes;
     93 	u_int16_t	top;
     94 	u_int16_t	left;
     95 	u_int16_t	bottom;
     96 	u_int16_t	right;
     97 	u_int16_t	version;
     98 	u_int16_t	packType;
     99 	u_int32_t	packSize;
    100 	u_int32_t	hRes;
    101 	u_int32_t	vRes;
    102 	u_int16_t	pixelType;
    103 	u_int16_t	pixelSize;
    104 	u_int16_t	cmpCount;
    105 	u_int16_t	cmpSize;
    106 	u_int32_t	planeBytes;
    107 };
    108 
    109 #define VID_PARAMS		1
    110 #define VID_TABLE_OFFSET	2
    111 #define VID_PAGE_CNT		3
    112 #define VID_DEV_TYPE		4
    113 
    114 int	grfopen __P((dev_t dev, int flag, int mode, struct proc *p));
    115 int	grfclose __P((dev_t dev, int flag, int mode, struct proc *p));
    116 int	grfioctl __P((dev_t, int, caddr_t, int, struct proc *p));
    117 int	grfselect __P((dev_t dev, int rw, struct proc *p));
    118 int	grfmmap __P((dev_t dev, int off, int prot));
    119 int	grfon __P((dev_t dev));
    120 int	grfoff __P((dev_t dev));
    121 int	grfaddr __P((struct grf_softc *gp, register int off));
    122 int	grfmap __P((dev_t dev, caddr_t *addrp, struct proc *p));
    123 int	grfunmap __P((dev_t dev, caddr_t addr, struct proc *p));
    124