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      1 /*	$NetBSD: grfvar.h,v 1.12 2011/02/08 20:20:25 rmind Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1990, 1993
      6  *	The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * from: Utah $Hdr: grfvar.h 1.11 93/08/13$
     37  *
     38  *	@(#)grfvar.h	8.2 (Berkeley) 9/9/93
     39  */
     40 
     41 /* internal structure of lock page */
     42 #define GRFMAXLCK	256
     43 struct	grf_lockpage {
     44 	u_char	gl_locks[GRFMAXLCK];
     45 };
     46 #define gl_lockslot gl_locks[0]
     47 
     48 struct grf_softc;
     49 
     50 /*
     51  * Static configuration info for display types
     52  */
     53 struct	grfsw {
     54 	int	gd_hwid;	/* id returned by hardware */
     55 	int	gd_swid;	/* id to be returned by software */
     56 	const char *gd_desc;	/* description printed at config time */
     57 	int	(*gd_init)(struct grf_softc *, void *);
     58 	int	(*gd_mode)(struct grf_softc *, u_long, void *);
     59 };
     60 
     61 /* per display info */
     62 struct	grf_softc {
     63 	device_t g_device;		/* for config */
     64 	int	g_flags;		/* software flags */
     65 	int	g_cfaddr;		/* "addr" locator */
     66 	struct  grfsw *g_sw;		/* static configuration info */
     67 	void *	g_regkva;		/* KVA of registers */
     68 	void *	g_fbkva;		/* KVA of framebuffer */
     69 	struct	grfinfo g_display;	/* hardware description (for ioctl) */
     70 	void *	g_data;			/* device dependent data */
     71 };
     72 
     73 /* flags */
     74 #define	GF_ALIVE	0x01
     75 #define GF_OPEN		0x02
     76 #define GF_EXCLUDE	0x04
     77 #define GF_WANTED	0x08
     78 
     79 /* requests to mode routine */
     80 #define GM_GRFON	1
     81 #define GM_GRFOFF	2
     82 #define GM_GRFOVON	3
     83 #define GM_GRFOVOFF	4
     84 #define GM_DESCRIBE	5
     85 #define GM_MAP		6
     86 #define GM_UNMAP	7
     87 
     88 #define GM_GRFCONFIG	8
     89 #define GM_GRFGETVMODE	9
     90 #define GM_GRFSETVMODE	10
     91 #define GM_GRFGETNUMVM	11
     92 #define GM_GRFGETBANK	12
     93 #define GM_GRFSETBANK	13
     94 #define GM_GRFGETCURBANK 14
     95 #define GM_GRFIOCTL	15
     96 
     97 /* minor device interpretation */
     98 #define GRFUNIT(d)	minor(d)
     99 
    100 #ifdef _KERNEL
    101 extern	struct grfsw grfsw[];
    102 extern	int ngrfsw;
    103 #endif
    104