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grfvar.h revision 1.30 
      1 /*	$NetBSD: grfvar.h,v 1.30 2011/02/08 20:20:17 rmind 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. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
     37  *
     38  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
     39  */
     40 
     41 #define CARD_NAME_LEN	64
     42 
     43 /*
     44  * State info, per hardware instance.
     45  */
     46 struct grfbus_softc {
     47 	struct	device	sc_dev;
     48 	nubus_slot	sc_slot;
     49 
     50 	bus_addr_t		sc_basepa;	/* base of video space */
     51 	bus_addr_t		sc_fbofs;	/* offset to framebuffer */
     52 
     53 	bus_space_tag_t		sc_tag;
     54 	bus_space_handle_t	sc_handle;
     55 	bus_space_handle_t	sc_regh;
     56 
     57 	struct	grfmode curr_mode;	/* hardware desc(for ioctl)	*/
     58 	u_int32_t	card_id;	/* DrHW value for nubus cards	*/
     59 	bus_size_t	cli_offset;	/* Offset to clear interrupt	*/
     60 					/* for cards where that's suff.	*/
     61 	u_int32_t	cli_value;	/* Value to write at cli_offset */
     62 	nubus_dir	board_dir;	/* Nubus dir for curr board	*/
     63 };
     64 
     65 /*
     66  * State info, per grf instance.
     67  */
     68 struct grf_softc {
     69 	char sc_xname[15];		/* name of the device */
     70 	struct macfb_softc *mfb_sc;
     71 };
     72 
     73 /*
     74  * Attach grf and ite semantics to Mac video hardware.
     75  */
     76 struct grfbus_attach_args {
     77 	const char	*ga_name;	/* name of semantics to attach */
     78 	bus_space_tag_t	ga_tag;		/* forwarded ... */
     79 	bus_space_handle_t ga_handle;
     80 	struct grfmode	*ga_grfmode;
     81 	nubus_slot	*ga_slot;
     82 	bus_addr_t	ga_phys;
     83 	bus_addr_t	ga_fboff;
     84 	int		(*ga_mode)(struct grf_softc *, int, void *);
     85 };
     86 
     87 typedef	void *(*grf_phys_t)(struct grf_softc *, vaddr_t);
     88 
     89 /* flags */
     90 #define	GF_ALIVE	0x01
     91 #define GF_OPEN		0x02
     92 #define GF_EXCLUDE	0x04
     93 #define GF_WANTED	0x08
     94 #define GF_BSDOPEN	0x10
     95 #define GF_HPUXOPEN	0x20
     96 
     97 /* requests to mode routine */
     98 #define GM_GRFON	1
     99 #define GM_GRFOFF	2
    100 #define GM_CURRMODE	3
    101 #define GM_LISTMODES	4
    102 #define GM_NEWMODE	5
    103 
    104 /* minor device interpretation */
    105 #define GRFUNIT(d)	(minor(d))
    106 
    107 /*
    108  * Nubus image data structure.  This is the equivalent of a PixMap in
    109  * MacOS programming parlance.  One of these structures exists for each
    110  * video mode that a quickdraw compatible card can fit in.
    111  */
    112 struct image_data {
    113 	u_int32_t	size;
    114 	u_int32_t	offset;
    115 	u_int16_t	rowbytes;
    116 	u_int16_t	top;
    117 	u_int16_t	left;
    118 	u_int16_t	bottom;
    119 	u_int16_t	right;
    120 	u_int16_t	version;
    121 	u_int16_t	packType;
    122 	u_int32_t	packSize;
    123 	u_int32_t	hRes;
    124 	u_int32_t	vRes;
    125 	u_int16_t	pixelType;
    126 	u_int16_t	pixelSize;
    127 	u_int16_t	cmpCount;
    128 	u_int16_t	cmpSize;
    129 	u_int32_t	planeBytes;
    130 };
    131 
    132 #define VID_PARAMS		1
    133 #define VID_TABLE_OFFSET	2
    134 #define VID_PAGE_CNT		3
    135 #define VID_DEV_TYPE		4
    136 
    137 void	grf_attach(struct macfb_softc *, int);
    138 
    139 void	grf_establish(struct grfbus_softc *, nubus_slot *,
    140 	    int (*)(struct grf_softc *, int, void *));
    141 int	grfbusprint(void *, const char *);
    142