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grfvar.h revision 1.24.28.5
      1 /*	$NetBSD: grfvar.h,v 1.24.28.5 2005/11/10 13:57:13 skrll Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1990 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * the Systems Programming Group of the University of Utah Computer
      9  * Science Department.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
     36  *
     37  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
     38  */
     39 /*
     40  * Copyright (c) 1988 University of Utah.
     41  *
     42  * This code is derived from software contributed to Berkeley by
     43  * the Systems Programming Group of the University of Utah Computer
     44  * Science Department.
     45  *
     46  * Redistribution and use in source and binary forms, with or without
     47  * modification, are permitted provided that the following conditions
     48  * are met:
     49  * 1. Redistributions of source code must retain the above copyright
     50  *    notice, this list of conditions and the following disclaimer.
     51  * 2. Redistributions in binary form must reproduce the above copyright
     52  *    notice, this list of conditions and the following disclaimer in the
     53  *    documentation and/or other materials provided with the distribution.
     54  * 3. All advertising materials mentioning features or use of this software
     55  *    must display the following acknowledgement:
     56  *	This product includes software developed by the University of
     57  *	California, Berkeley and its contributors.
     58  * 4. Neither the name of the University nor the names of its contributors
     59  *    may be used to endorse or promote products derived from this software
     60  *    without specific prior written permission.
     61  *
     62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     72  * SUCH DAMAGE.
     73  *
     74  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
     75  *
     76  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
     77  */
     78 
     79 #define CARD_NAME_LEN	64
     80 
     81 /*
     82  * State info, per hardware instance.
     83  */
     84 struct grfbus_softc {
     85 	struct	device	sc_dev;
     86 	nubus_slot	sc_slot;
     87 
     88 	bus_addr_t		sc_basepa;	/* base of video space */
     89 	bus_addr_t		sc_fbofs;	/* offset to framebuffer */
     90 
     91 	bus_space_tag_t		sc_tag;
     92 	bus_space_handle_t	sc_handle;
     93 	bus_space_handle_t	sc_regh;
     94 
     95 	struct	grfmode curr_mode;	/* hardware desc(for ioctl)	*/
     96 	u_int32_t	card_id;	/* DrHW value for nubus cards	*/
     97 	bus_size_t	cli_offset;	/* Offset to clear interrupt	*/
     98 					/* for cards where that's suff.	*/
     99 	u_int32_t	cli_value;	/* Value to write at cli_offset */
    100 	nubus_dir	board_dir;	/* Nubus dir for curr board	*/
    101 };
    102 
    103 /*
    104  * State info, per grf instance.
    105  */
    106 struct grf_softc {
    107 	char sc_xname[15];		/* name of the device */
    108 	struct macfb_softc *mfb_sc;
    109 };
    110 
    111 /*
    112  * Attach grf and ite semantics to Mac video hardware.
    113  */
    114 struct grfbus_attach_args {
    115 	const char	*ga_name;	/* name of semantics to attach */
    116 	bus_space_tag_t	ga_tag;		/* forwarded ... */
    117 	bus_space_handle_t ga_handle;
    118 	struct grfmode	*ga_grfmode;
    119 	nubus_slot	*ga_slot;
    120 	bus_addr_t	ga_phys;
    121 	bus_addr_t	ga_fboff;
    122 	int		(*ga_mode)(struct grf_softc *, int, void *);
    123 };
    124 
    125 typedef	caddr_t (*grf_phys_t)(struct grf_softc *, vaddr_t);
    126 
    127 /* flags */
    128 #define	GF_ALIVE	0x01
    129 #define GF_OPEN		0x02
    130 #define GF_EXCLUDE	0x04
    131 #define GF_WANTED	0x08
    132 #define GF_BSDOPEN	0x10
    133 #define GF_HPUXOPEN	0x20
    134 
    135 /* requests to mode routine */
    136 #define GM_GRFON	1
    137 #define GM_GRFOFF	2
    138 #define GM_CURRMODE	3
    139 #define GM_LISTMODES	4
    140 #define GM_NEWMODE	5
    141 
    142 /* minor device interpretation */
    143 #define GRFUNIT(d)	(minor(d))
    144 
    145 /*
    146  * Nubus image data structure.  This is the equivalent of a PixMap in
    147  * MacOS programming parlance.  One of these structures exists for each
    148  * video mode that a quickdraw compatible card can fit in.
    149  */
    150 struct image_data {
    151 	u_int32_t	size;
    152 	u_int32_t	offset;
    153 	u_int16_t	rowbytes;
    154 	u_int16_t	top;
    155 	u_int16_t	left;
    156 	u_int16_t	bottom;
    157 	u_int16_t	right;
    158 	u_int16_t	version;
    159 	u_int16_t	packType;
    160 	u_int32_t	packSize;
    161 	u_int32_t	hRes;
    162 	u_int32_t	vRes;
    163 	u_int16_t	pixelType;
    164 	u_int16_t	pixelSize;
    165 	u_int16_t	cmpCount;
    166 	u_int16_t	cmpSize;
    167 	u_int32_t	planeBytes;
    168 };
    169 
    170 #define VID_PARAMS		1
    171 #define VID_TABLE_OFFSET	2
    172 #define VID_PAGE_CNT		3
    173 #define VID_DEV_TYPE		4
    174 
    175 void	grf_attach(struct macfb_softc *, int);
    176 
    177 void	grf_establish(struct grfbus_softc *, nubus_slot *,
    178 	    int (*)(struct grf_softc *, int, void *));
    179 int	grfbusprint(void *, const char *);
    180