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grfvar.h revision 1.23.10.1 
      1 /*	$NetBSD: grfvar.h,v 1.23.10.1 2000/11/20 20:12:16 bouyer 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 #define CARD_NAME_LEN	64
     46 
     47 /*
     48  * State info, per hardware instance.
     49  */
     50 struct grfbus_softc {
     51 	struct	device	sc_dev;
     52 	nubus_slot	sc_slot;
     53 
     54 	bus_addr_t		sc_basepa;	/* base of video space */
     55 	bus_addr_t		sc_fbofs;	/* offset to framebuffer */
     56 
     57 	bus_space_tag_t		sc_tag;
     58 	bus_space_handle_t	sc_handle;
     59 	bus_space_handle_t	sc_regh;
     60 
     61 	struct	grfmode curr_mode;	/* hardware desc(for ioctl)	*/
     62 	u_int32_t	card_id;	/* DrHW value for nubus cards	*/
     63 	bus_size_t	cli_offset;	/* Offset to clear interrupt	*/
     64 					/* for cards where that's suff.	*/
     65 	u_int32_t	cli_value;	/* Value to write at cli_offset */
     66 	nubus_dir	board_dir;	/* Nubus dir for curr board	*/
     67 };
     68 
     69 /*
     70  * State info, per grf instance.
     71  */
     72 struct grf_softc {
     73 	char sc_xname[15];		/* name of the device */
     74 	struct macfb_softc *mfb_sc;
     75 };
     76 
     77 /*
     78  * Attach grf and ite semantics to Mac video hardware.
     79  */
     80 struct grfbus_attach_args {
     81 	char		*ga_name;	/* name of semantics to attach */
     82 	bus_space_tag_t	ga_tag;		/* forwarded ... */
     83 	bus_space_handle_t ga_handle;
     84 	struct grfmode	*ga_grfmode;
     85 	nubus_slot	*ga_slot;
     86 	bus_addr_t	ga_phys;
     87 	bus_addr_t	ga_fboff;
     88 	int		(*ga_mode) __P((struct grf_softc *, int, void *));
     89 };
     90 
     91 typedef	caddr_t (*grf_phys_t) __P((struct grf_softc *gp, vaddr_t addr));
     92 
     93 /* flags */
     94 #define	GF_ALIVE	0x01
     95 #define GF_OPEN		0x02
     96 #define GF_EXCLUDE	0x04
     97 #define GF_WANTED	0x08
     98 #define GF_BSDOPEN	0x10
     99 #define GF_HPUXOPEN	0x20
    100 
    101 /* requests to mode routine */
    102 #define GM_GRFON	1
    103 #define GM_GRFOFF	2
    104 #define GM_CURRMODE	3
    105 #define GM_LISTMODES	4
    106 #define GM_NEWMODE	5
    107 
    108 /* minor device interpretation */
    109 #define GRFUNIT(d)	(minor(d))
    110 
    111 /*
    112  * Nubus image data structure.  This is the equivalent of a PixMap in
    113  * MacOS programming parlance.  One of these structures exists for each
    114  * video mode that a quickdraw compatible card can fit in.
    115  */
    116 struct image_data {
    117 	u_int32_t	size;
    118 	u_int32_t	offset;
    119 	u_int16_t	rowbytes;
    120 	u_int16_t	top;
    121 	u_int16_t	left;
    122 	u_int16_t	bottom;
    123 	u_int16_t	right;
    124 	u_int16_t	version;
    125 	u_int16_t	packType;
    126 	u_int32_t	packSize;
    127 	u_int32_t	hRes;
    128 	u_int32_t	vRes;
    129 	u_int16_t	pixelType;
    130 	u_int16_t	pixelSize;
    131 	u_int16_t	cmpCount;
    132 	u_int16_t	cmpSize;
    133 	u_int32_t	planeBytes;
    134 };
    135 
    136 #define VID_PARAMS		1
    137 #define VID_TABLE_OFFSET	2
    138 #define VID_PAGE_CNT		3
    139 #define VID_DEV_TYPE		4
    140 
    141 void	grf_attach __P((struct macfb_softc *, int));
    142 
    143 void	grf_establish __P((struct grfbus_softc *, nubus_slot *,
    144 	    int (*)(struct grf_softc *, int, void *)));
    145 int	grfbusprint __P((void *, const char *));
    146