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grfvar.h revision 1.7 
      1 /*
      2  * Copyright (c) 1988 University of Utah.
      3  * Copyright (c) 1990 The Regents of the University of California.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to Berkeley by
      7  * the Systems Programming Group of the University of Utah Computer
      8  * Science Department.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
     39  *
     40  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
     41  *	$Id: grfvar.h,v 1.7 1994/05/08 05:53:10 chopps Exp $
     42  */
     43 
     44 struct ite_softc;
     45 
     46 /*
     47  * this struct is owned by the driver (grfcc, grfrt)
     48  * and is passed to grf when grf is configed. The ite also
     49  * uses it...
     50  */
     51 struct	grf_softc {
     52 	struct device  g_device;	/* config sets this up. */
     53 	struct grfinfo g_display;	/* hardware description (for ioctl) */
     54 	volatile caddr_t g_regkva;	/* KVA of registers */
     55 	volatile caddr_t g_fbkva;	/* KVA of framebuffer */
     56 	int     g_flags;		/* software flags */
     57 	int	g_unit;			/* grf unit we want/have */
     58 	dev_t	g_itedev;		/* ite device number */
     59 	dev_t	g_grfdev;		/* grf device number */
     60 	caddr_t g_data;			/* device dependent data */
     61 	int  (*g_mode)();
     62 	int    g_conpri;		/* priority of ite as console */
     63 	void (*g_iteinit)	__P((struct ite_softc *));
     64 	void (*g_itedeinit)	__P((struct ite_softc *));
     65 	void (*g_iteclear)	__P((struct ite_softc *,int,int,int,int));
     66 	void (*g_iteputc)	__P((struct ite_softc *,int,int,int,int));
     67 	void (*g_itecursor)	__P((struct ite_softc *,int));
     68 	void (*g_itescroll)	__P((struct ite_softc *,int,int,int,int));
     69 };
     70 
     71 /* flags */
     72 #define	GF_ALIVE	0x01
     73 #define GF_OPEN		0x02
     74 #define GF_EXCLUDE	0x04
     75 #define GF_WANTED	0x08
     76 #define GF_GRFON	0x10
     77 
     78 /* software ids defined in grfioctl.h */
     79 
     80 /* requests to mode routine (g_mode())*/
     81 #define GM_GRFON	1
     82 #define GM_GRFOFF	2
     83 #define GM_GRFOVON	3
     84 #define GM_GRFOVOFF	4
     85 #define GM_GRFCONFIG	5
     86 #define GM_GRFGETVMODE	6
     87 #define GM_GRFSETVMODE	7
     88 #define GM_GRFGETNUMVM	8
     89 #define GM_GRFGETBANK	9
     90 #define GM_GRFSETBANK	10
     91 #define GM_GRFGETCURBANK 11
     92 #define GM_GRFIOCTL	12
     93 
     94 /* minor device interpretation */
     95 #define GRFOVDEV	0x10	/* XXX no driver uses yet, overlay planes */
     96 #define GRFIMDEV	0x20	/* XXX no driver uses yet, images planes */
     97 #define GRFUNIT(d)	((d) & 0x7)
     98 
     99 /*
    100  * unit numbers for devices
    101  */
    102 enum grfunits {
    103 	GRF_CC_UNIT,
    104 	GRF_RETINAII_UNIT
    105 };
    106