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grfvar.h revision 1.2 
      1  1.1       mw /*
      2  1.1       mw  * Copyright (c) 1988 University of Utah.
      3  1.1       mw  * Copyright (c) 1990 The Regents of the University of California.
      4  1.1       mw  * All rights reserved.
      5  1.1       mw  *
      6  1.1       mw  * This code is derived from software contributed to Berkeley by
      7  1.1       mw  * the Systems Programming Group of the University of Utah Computer
      8  1.1       mw  * Science Department.
      9  1.1       mw  *
     10  1.1       mw  * Redistribution and use in source and binary forms, with or without
     11  1.1       mw  * modification, are permitted provided that the following conditions
     12  1.1       mw  * are met:
     13  1.1       mw  * 1. Redistributions of source code must retain the above copyright
     14  1.1       mw  *    notice, this list of conditions and the following disclaimer.
     15  1.1       mw  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1       mw  *    notice, this list of conditions and the following disclaimer in the
     17  1.1       mw  *    documentation and/or other materials provided with the distribution.
     18  1.1       mw  * 3. All advertising materials mentioning features or use of this software
     19  1.1       mw  *    must display the following acknowledgement:
     20  1.1       mw  *	This product includes software developed by the University of
     21  1.1       mw  *	California, Berkeley and its contributors.
     22  1.1       mw  * 4. Neither the name of the University nor the names of its contributors
     23  1.1       mw  *    may be used to endorse or promote products derived from this software
     24  1.1       mw  *    without specific prior written permission.
     25  1.1       mw  *
     26  1.1       mw  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  1.1       mw  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  1.1       mw  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  1.1       mw  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  1.1       mw  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  1.1       mw  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  1.1       mw  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  1.1       mw  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  1.1       mw  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  1.1       mw  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  1.1       mw  * SUCH DAMAGE.
     37  1.1       mw  *
     38  1.2  mycroft  *	from: Utah Hdr: grfvar.h 1.9 91/01/21
     39  1.2  mycroft  *	from: @(#)grfvar.h	7.3 (Berkeley) 5/7/91
     40  1.2  mycroft  *	$Id: grfvar.h,v 1.2 1993/08/01 19:23:08 mycroft Exp $
     41  1.1       mw  */
     42  1.1       mw 
     43  1.1       mw /* internal structure of lock page */
     44  1.1       mw #define GRFMAXLCK	256
     45  1.1       mw struct	grf_lockpage {
     46  1.1       mw 	u_char	gl_locks[GRFMAXLCK];
     47  1.1       mw };
     48  1.1       mw #define gl_lockslot gl_locks[0]
     49  1.1       mw 
     50  1.1       mw /* per display info */
     51  1.1       mw struct	grf_softc {
     52  1.1       mw 	int	g_flags;		/* software flags */
     53  1.1       mw 	int	g_type;			/* type of display */
     54  1.1       mw 	caddr_t	g_regkva;		/* KVA of registers */
     55  1.1       mw 	caddr_t	g_fbkva;		/* KVA of framebuffer */
     56  1.1       mw 	struct	grfinfo g_display;	/* hardware description (for ioctl) */
     57  1.1       mw 	struct	grf_lockpage *g_lock;	/* lock page associated with device */
     58  1.1       mw 	struct	proc *g_lockp;		/* process holding lock */
     59  1.1       mw 	short	*g_pid;			/* array of pids with device open */
     60  1.1       mw 	int	g_lockpslot;		/* g_pid entry of g_lockp */
     61  1.1       mw 	caddr_t	g_data;			/* device dependent data */
     62  1.1       mw };
     63  1.1       mw 
     64  1.1       mw /* flags */
     65  1.1       mw #define	GF_ALIVE	0x01
     66  1.1       mw #define GF_OPEN		0x02
     67  1.1       mw #define GF_EXCLUDE	0x04
     68  1.1       mw #define GF_WANTED	0x08
     69  1.1       mw 
     70  1.1       mw /* display types - indices into grfdev */
     71  1.1       mw #define GT_CUSTOMCHIPS	0
     72  1.1       mw #define GT_TIGA_A2410	1
     73  1.1       mw 
     74  1.1       mw struct	grfdev {
     75  1.1       mw 	int	gd_manuf;
     76  1.1       mw 	int	gd_prod;	/* autoconfig parameters */
     77  1.1       mw 	int	(*gd_init)();	/* boot time initialization */
     78  1.1       mw 	int	(*gd_mode)();	/* misc functions */
     79  1.1       mw 	char	*gd_desc;	/* text description */
     80  1.1       mw };
     81  1.1       mw 
     82  1.1       mw /* software ids defined in grfioctl.h */
     83  1.1       mw 
     84  1.1       mw /* requests to mode routine */
     85  1.1       mw #define GM_GRFON	1
     86  1.1       mw #define GM_GRFOFF	2
     87  1.1       mw #define GM_GRFOVON	3
     88  1.1       mw #define GM_GRFOVOFF	4
     89  1.1       mw #define GM_GRFCONFIG	5
     90  1.1       mw 
     91  1.1       mw /* minor device interpretation */
     92  1.1       mw #define GRFOVDEV	0x10	/* overlay planes */
     93  1.1       mw #define GRFIMDEV	0x20	/* images planes */
     94  1.1       mw #define GRFUNIT(d)	((d) & 0x7)
     95  1.1       mw 
     96  1.1       mw #ifdef KERNEL
     97  1.1       mw extern	struct grf_softc grf_softc[];
     98  1.1       mw #endif
     99