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grfvar.h revision 1.2 
      1 /*	$NetBSD: grfvar.h,v 1.2 1997/10/09 13:19:26 oki 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. 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 $Hdr: grfvar.h 1.11 93/08/13$
     41  *
     42  *	@(#)grfvar.h	8.2 (Berkeley) 9/9/93
     43  */
     44 
     45 /* internal structure of lock page */
     46 #define GRFMAXLCK	256
     47 struct	grf_lockpage {
     48 	u_char	gl_locks[GRFMAXLCK];
     49 };
     50 #define gl_lockslot gl_locks[0]
     51 
     52 /*
     53  * Static configuration info for display types
     54  */
     55 struct	grfsw {
     56 	int	gd_hwid;	/* id returned by hardware */
     57 	int	gd_swid;	/* id to be returned by software */
     58 	char	*gd_desc;	/* description printed at config time */
     59 	int	(*gd_init) __P((struct grf_softc *, caddr_t));
     60 	int	(*gd_mode) __P((struct grf_softc *, u_long, caddr_t));
     61 };
     62 
     63 /* per display info */
     64 struct	grf_softc {
     65 	struct device g_device;		/* for config */
     66 	int	g_flags;		/* software flags */
     67 	struct  grfsw *g_sw;		/* static configuration info */
     68 	caddr_t	g_regkva;		/* KVA of registers */
     69 	caddr_t	g_fbkva;		/* KVA of framebuffer */
     70 	struct	grfinfo g_display;	/* hardware description (for ioctl) */
     71 	struct	grf_lockpage *g_lock;	/* lock page associated with device */
     72 	struct	proc *g_lockp;		/* process holding lock */
     73 	short	*g_pid;			/* array of pids with device open */
     74 	int	g_lockpslot;		/* g_pid entry of g_lockp */
     75 	caddr_t	g_data;			/* device dependent data */
     76 };
     77 
     78 /* flags */
     79 #define	GF_ALIVE	0x01
     80 #define GF_OPEN		0x02
     81 #define GF_EXCLUDE	0x04
     82 #define GF_WANTED	0x08
     83 #define GF_BSDOPEN	0x10
     84 #define GF_HPUXOPEN	0x20
     85 
     86 /* display types - indices into grfdev */
     87 #define GT_CUSTOMCHIPS	0
     88 
     89 /* requests to mode routine */
     90 #define GM_GRFON	1
     91 #define GM_GRFOFF	2
     92 #define GM_GRFOVON	3
     93 #define GM_GRFOVOFF	4
     94 #define GM_DESCRIBE	5
     95 #define GM_MAP		6
     96 #define GM_UNMAP	7
     97 
     98 #define GM_GRFCONFIG	8
     99 #define GM_GRFGETVMODE	9
    100 #define GM_GRFSETVMODE	10
    101 #define GM_GRFGETNUMVM	11
    102 #define GM_GRFGETBANK	12
    103 #define GM_GRFSETBANK	13
    104 #define GM_GRFGETCURBANK 14
    105 #define GM_GRFIOCTL	15
    106 
    107 /* minor device interpretation */
    108 #define GRFOVDEV	0x10	/* overlay planes */
    109 #define GRFIMDEV	0x20	/* images planes */
    110 #define GRFUNIT(d)	((d) & 0x7)
    111 
    112 #ifdef _KERNEL
    113 extern	struct grfsw grfsw[];
    114 extern	int ngrfsw;
    115 #endif
    116