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grfvar.h revision 1.6 
      1 /*	$NetBSD: grfvar.h,v 1.6 1995/04/21 03:44:19 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 /* 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 /* per display info */
     53 struct grf_softc {
     54 	struct	device sc_dev;
     55 
     56 	int	g_flags;	/* software flags */
     57 	int	g_type;		/* type of display */
     58 	caddr_t g_regkva;	/* KVA of registers */
     59 	caddr_t g_fbkva;	/* KVA of framebuffer */
     60 	struct	grfinfo g_display;	/* hardware description (for ioctl) */
     61 	struct	grf_lockpage *g_lock;	/* lock page associated with device */
     62 	struct	proc *g_lockp;	/* process holding lock */
     63 	short	*g_pid;		/* array of pids with device open */
     64 	int	g_lockpslot;	/* g_pid entry of g_lockp */
     65 	caddr_t	g_data;		/* device dependent data */
     66 };
     67 
     68 /* flags */
     69 #define	GF_ALIVE	0x01
     70 #define GF_OPEN		0x02
     71 #define GF_EXCLUDE	0x04
     72 #define GF_WANTED	0x08
     73 #define GF_BSDOPEN	0x10
     74 #define GF_HPUXOPEN	0x20
     75 
     76 /* display types - indices into grfdev */
     77 #define	GT_MAC	0
     78 
     79 struct grfdev {
     80 	int	gd_hardid;	/* secondary id returned by hardware */
     81 	int	gd_softid;	/* id returned by HP-UX */
     82 	int	(*gd_init) ();	/* boot time initialization */
     83 	int	(*gd_mode) ();	/* misc functions */
     84 	char	*gd_desc;	/* text description */
     85 };
     86 /* hardware ids */
     87 #define GID_MAC	1
     88 
     89 /* software ids defined in grfioctl.h */
     90 
     91 /* requests to mode routine */
     92 #define GM_GRFON	1
     93 #define GM_GRFOFF	2
     94 #define GM_GRFOVON	3
     95 #define GM_GRFOVOFF	4
     96 
     97 struct grfreg {
     98 	char    gr_pad0;
     99 	u_char  gr_id;		/* +0x01 */
    100 	char    gr_pad1[0x13];
    101 	u_char  gr_id2;		/* +0x15 */
    102 	char    gr_pad2[0x47];
    103 	u_char  gr_fbomsb;	/* +0x5d */
    104 	char    gr_pad3;
    105 	u_char  gr_fbolsb;	/* +0x5f */
    106 };
    107 /* bitmapped display hardware id */
    108 #define GRFHWID		0x39
    109 
    110 /* internal bitmapped display address */
    111 #define GRFIADDR	0x560000
    112 
    113 /* minor device interpretation */
    114 #define GRFOVDEV	0x10	/* overlay planes */
    115 #define GRFIMDEV	0x20	/* images planes */
    116 #define GRFUNIT(d)	((d) & 0x7)
    117 
    118 #ifdef _KERNEL
    119 extern struct grf_softc grf_softc[];
    120 #endif				/* _KERNEL */
    121