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grfioctl.h revision 1.18
      1 /*	$NetBSD: grfioctl.h,v 1.18 2006/11/24 22:04:21 wiz 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 $Hdr: grfioctl.h 1.1 90/07/09$
     36  *
     37  *	@(#)grfioctl.h	7.2 (Berkeley) 11/4/90
     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 $Hdr: grfioctl.h 1.1 90/07/09$
     75  *
     76  *	@(#)grfioctl.h	7.2 (Berkeley) 11/4/90
     77  */
     78 
     79 
     80 /* these are changeable values, encapsulated in their own structure, so
     81    no the whole thing has to be copied when setting parameters. */
     82 struct grfdyninfo {
     83 	int	gdi_fbx;		/* frame buffer x offset */
     84 	int	gdi_fby;		/* frame buffer y offset */
     85 	int	gdi_dwidth;		/* displayed part width */
     86 	int	gdi_dheight;		/* displayed part height */
     87 	int	gdi_dx;			/* displayed part x offset */
     88 	int	gdi_dy;			/* displayed part y offset */
     89 };
     90 
     91 struct	grfinfo {
     92 	caddr_t	gd_regaddr;		/* control registers physaddr */
     93 	int	gd_regsize;		/* control registers size */
     94 	caddr_t	gd_fbaddr;		/* frame buffer physaddr */
     95 	int	gd_fbsize;		/* frame buffer size */
     96 	short	gd_colors;		/* number of colors */
     97 	short	gd_planes;		/* number of planes */
     98 
     99 	int	gd_fbwidth;		/* frame buffer width */
    100 	int	gd_fbheight;		/* frame buffer height */
    101 
    102 	struct grfdyninfo gd_dyn;	/* everything changable by GRFIOCSINFO */
    103 /* compatibility... */
    104 #define gd_fbx		gd_dyn.gdi_fbx
    105 #define gd_fby		gd_dyn.gdi_fby
    106 #define gd_dwidth 	gd_dyn.gdi_dwidth
    107 #define gd_dheight	gd_dyn.gdi_dheight
    108 #define gd_dx		gd_dyn.gdi_dx
    109 #define gd_dy		gd_dyn.gdi_dy
    110 
    111 	/* new for banked pager support */
    112 	int	gd_bank_size;		/* size of a bank (or 0) */
    113 };
    114 
    115 
    116 /* video mode, should be display-independent, but it might need
    117    modifications in the future to really become hardware-independent. */
    118 
    119 struct grfvideo_mode {
    120 	u_char	mode_num;		/* index in mode table */
    121 	char	mode_descr[80];		/* description of mode */
    122 	u_long	pixel_clock;		/* in Hz. */
    123 	u_short	disp_width;		/* width of displayed video (incl overscan) */
    124 	u_short	disp_height;		/* height "" */
    125 	u_short	depth;			/* number of bitplanes resp. bits per pixel */
    126 	u_short	hblank_start;
    127 	u_short	hsync_start;		/* video-parameters, take care not to   */
    128 	u_short	hsync_stop;		/* use parameters that violete specs of */
    129 	u_short	htotal;			/* your monitor !                       */
    130 	u_short	vblank_start;
    131 	u_short	vsync_start;
    132 	u_short	vsync_stop;
    133 	u_short	vtotal;
    134 	u_short	disp_flags;		/* GRF_FLAGS_xxxx */
    135 };
    136 
    137 /* values for grfvideo_mode->disp_flags */
    138 #define	GRF_FLAGS_DEFAULT	0x00	/* default */
    139 #define	GRF_FLAGS_DBLSCAN	0x01	/* doublescan */
    140 #define	GRF_FLAGS_LACE		0x02	/* interlace */
    141 #define	GRF_FLAGS_PHSYNC	0x04	/* +hsync */
    142 #define	GRF_FLAGS_NHSYNC	0x08	/* -hsync */
    143 #define	GRF_FLAGS_PVSYNC	0x10	/* +vsync */
    144 #define	GRF_FLAGS_NVSYNC	0x20	/* -vsync */
    145 #define	GRF_FLAGS_SYNC_ON_GREEN	0x40	/* sync-on-green */
    146 
    147 /*
    148  * BSD ioctls
    149  */
    150 #define OGRFIOCGINFO	0x40344700		/* to keep compat for a while... */
    151 #define	GRFIOCGINFO	_IOR('G', 0, struct grfinfo) /* get info on device */
    152 #define	GRFIOCON	_IO('G', 1)		/* turn graphics on */
    153 #define	GRFIOCOFF	_IO('G', 2)		/* turn graphics off */
    154 #define GRFIOCMAP	_IOWR('G', 5, int)	/* map in regs+framebuffer */
    155 #define GRFIOCUNMAP	_IOW('G', 6, int)	/* unmap regs+framebuffer */
    156 
    157 /* amiga addons */
    158 	/* set info on device */
    159 #define	GRFIOCSINFO	_IOW('G', 40, struct grfdyninfo)
    160 	/* get video_mode. mode_num==0 gets current mode. */
    161 #define GRFGETVMODE	_IOWR('G', 41, struct grfvideo_mode)
    162 	/* set video_mode. */
    163 #define GRFSETVMODE	_IOW('G', 42, int)
    164 	/* get number of configured video modes */
    165 #define GRFGETNUMVM	_IOR('G', 43, int)
    166 	/* toggle between Cirrus and ECS, ill */
    167 #define GRFTOGGLE	_IO('G', 44)
    168 	/* load in a display mode */
    169 #define GRFIOCSETMON	_IOW('G', 45, struct grfvideo_mode)
    170 
    171 /*
    172  * generic framebuffer-related ioctls. These are somewhat
    173  * similar to SunOS fb-ioctls since I liked them reading
    174  * thru the X11-server code.
    175  */
    176 
    177 /*
    178  * colormap related information. Every grf has an associated
    179  * colormap. Depending on the capabilities of the hardware, more
    180  * or less of the information provided may be used.
    181  * Maxium value of "index" can be deduced from grfinfo->gd_colors.
    182  */
    183 struct grf_colormap {
    184 	unsigned int	index;		/* start at red[index],green[index],blue[index] */
    185 	unsigned int	count;		/* till < red[index+count],... */
    186 	u_char	*red;
    187 	u_char	*green;
    188 	u_char	*blue;
    189 };
    190 
    191 /* write the selected slots into the active colormap */
    192 #define GRFIOCPUTCMAP	_IOW('G', 50, struct grf_colormap)
    193 
    194 /* retrieve the selected slots from the active colormap */
    195 #define GRFIOCGETCMAP	_IOWR('G', 51, struct grf_colormap)
    196 
    197 
    198 /*
    199  * support a possibly available hardware sprite. calls just fail
    200  * if a given grf doesn't implement hardware sprites.
    201  */
    202 struct grf_position {
    203 	u_short	x, y;		/* 0,0 is upper left corner */
    204 };
    205 #define GRFIOCSSPRITEPOS _IOW('G', 52, struct grf_position)
    206 #define GRFIOCGSPRITEPOS _IOR('G', 53, struct grf_position)
    207 
    208 struct grf_spriteinfo {
    209 	u_short	set;
    210 #define GRFSPRSET_ENABLE  (1<<0)
    211 #define GRFSPRSET_POS	  (1<<1)
    212 #define GRFSPRSET_HOT	  (1<<2)
    213 #define GRFSPRSET_CMAP	  (1<<3)
    214 #define GRFSPRSET_SHAPE	  (1<<4)
    215 #define GRFSPRSET_ALL	  0x1f
    216 	u_short	enable;			/* sprite is displayed if == 1 */
    217 	struct	grf_position pos;	/* sprite location */
    218 	struct	grf_position hot;	/* sprite hot spot */
    219 	struct	grf_colormap cmap;	/* colormap for the sprite. */
    220 	struct	grf_position size;	/* x == width, y == height */
    221 	u_char	*image, *mask;		/* sprite bitmap and mask */
    222 };
    223 
    224 #define GRFIOCSSPRITEINF _IOW('G', 54, struct grf_spriteinfo)
    225 #define GRFIOCGSPRITEINF _IOR('G', 55, struct grf_spriteinfo)
    226 
    227 /* get maximum sprite size hardware can display */
    228 #define GRFIOCGSPRITEMAX _IOR('G', 56, struct grf_position)
    229 
    230 
    231 /* support for a BitBlt operation. The op-codes are identical
    232    to X11 GCs */
    233 #define	GRFBBOPclear		0x0	/* 0 */
    234 #define GRFBBOPand		0x1	/* src AND dst */
    235 #define GRFBBOPandReverse	0x2	/* src AND NOT dst */
    236 #define GRFBBOPcopy		0x3	/* src */
    237 #define GRFBBOPandInverted	0x4	/* NOT src AND dst */
    238 #define	GRFBBOPnoop		0x5	/* dst */
    239 #define GRFBBOPxor		0x6	/* src XOR dst */
    240 #define GRFBBOPor		0x7	/* src OR dst */
    241 #define GRFBBOPnor		0x8	/* NOT src AND NOT dst */
    242 #define GRFBBOPequiv		0x9	/* NOT src XOR dst */
    243 #define GRFBBOPinvert		0xa	/* NOT dst */
    244 #define GRFBBOPorReverse	0xb	/* src OR NOT dst */
    245 #define GRFBBOPcopyInverted	0xc	/* NOT src */
    246 #define GRFBBOPorInverted	0xd	/* NOT src OR dst */
    247 #define GRFBBOPnand		0xe	/* NOT src OR NOT dst */
    248 #define GRFBBOPset		0xf	/* 1 */
    249 
    250 struct grf_bitblt {
    251 	u_short	op;		/* see above */
    252 	u_short	src_x, src_y;	/* upper left corner of source-region */
    253 	u_short	dst_x, dst_y;	/* upper left corner of dest-region */
    254 	u_short	w, h;		/* width, height of region */
    255 	u_short	mask;		/* bitmask to apply */
    256 };
    257 
    258 #define GRFIOCBITBLT	_IOW('G', 57, struct grf_bitblt)
    259 
    260 /* can't use IOCON/OFF because that would turn ite on */
    261 #define GRFIOCBLANK	_IOW('G', 58, int)
    262 
    263 #define GRFIOCBLANK_LIVE	1
    264 #define GRFIOCBLANK_DARK	0
    265