Home | History | Annotate | Line # | Download | only in dev
grfioctl.h revision 1.6
      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 $Hdr: grfioctl.h 1.1 90/07/09$
     39  *
     40  *	@(#)grfioctl.h	7.2 (Berkeley) 11/4/90
     41  *	$Id: grfioctl.h,v 1.6 1994/02/11 07:01:44 chopps Exp $
     42  */
     43 
     44 
     45 /* these are changeable values, encapsulated in their own structure, so
     46    no the whole thing has to be copied when setting parameters. */
     47 struct grfdyninfo {
     48 	int	gdi_fbx;			/* frame buffer x offset */
     49 	int	gdi_fby;			/* frame buffer y offset */
     50 	int	gdi_dwidth;		/* displayed part width */
     51 	int	gdi_dheight;		/* displayed part height */
     52 	int	gdi_dx;			/* displayed part x offset */
     53 	int	gdi_dy;			/* displayed part y offset */
     54 };
     55 
     56 struct	grfinfo {
     57 	caddr_t	gd_regaddr;		/* control registers physaddr */
     58 	int	gd_regsize;		/* control registers size */
     59 	caddr_t	gd_fbaddr;		/* frame buffer physaddr */
     60 	int	gd_fbsize;		/* frame buffer size */
     61 	short	gd_colors;		/* number of colors */
     62 	short	gd_planes;		/* number of planes */
     63 
     64 	int	gd_fbwidth;		/* frame buffer width */
     65 	int	gd_fbheight;		/* frame buffer height */
     66 
     67 	struct grfdyninfo gd_dyn;	/* everything changable by GRFIOCSINFO */
     68 /* compatibility... */
     69 #define gd_fbx		gd_dyn.gdi_fbx
     70 #define gd_fby		gd_dyn.gdi_fby
     71 #define gd_dwidth 	gd_dyn.gdi_dwidth
     72 #define gd_dheight	gd_dyn.gdi_dheight
     73 #define gd_dx		gd_dyn.gdi_dx
     74 #define gd_dy		gd_dyn.gdi_dy
     75 
     76 	/* new for banked pager support */
     77 	int	gd_bank_size;		/* size of a bank (or 0) */
     78 };
     79 
     80 
     81 /* video mode, should be display-independant, but it might need
     82    modifications in the future to really become hardware-independant. */
     83 
     84 struct grfvideo_mode {
     85   u_char  mode_num;		/* index in mode table */
     86   char	  mode_descr[80];	/* description of mode */
     87   u_long  pixel_clock;		/* in Hz. */
     88   u_short disp_width;		/* width of displayed video (incl overscan) */
     89   u_short disp_height;		/* height "" */
     90   u_short depth;		/* number of bitplanes resp. bits per pixel */
     91   u_short hblank_start;
     92   u_short hblank_stop;
     93   u_short hsync_start;		/* video-parameters, take care not to   */
     94   u_short hsync_stop;		/* use parameters that violete specs of */
     95   u_short htotal;		/* your monitor !                       */
     96   u_short vblank_start;
     97   u_short vblank_stop;
     98   u_short vsync_start;
     99   u_short vsync_stop;
    100   u_short vtotal;
    101 };
    102 
    103 
    104 /*
    105  * BSD ioctls
    106  */
    107 #define OGRFIOCGINFO	0x40344700		/* to keep compat for a while... */
    108 #define	GRFIOCGINFO	_IOR('G', 0, struct grfinfo) /* get info on device */
    109 #define	GRFIOCON	_IO('G', 1)		/* turn graphics on */
    110 #define	GRFIOCOFF	_IO('G', 2)		/* turn graphics off */
    111 #define GRFIOCMAP	_IOWR('G', 5, int)	/* map in regs+framebuffer */
    112 #define GRFIOCUNMAP	_IOW('G', 6, int)	/* unmap regs+framebuffer */
    113 
    114 /* amiga addons */
    115 	/* set info on device */
    116 #define	GRFIOCSINFO	_IOW('G', 40, struct grfdyninfo)
    117 	/* get video_mode. mode_num==0 gets current mode. */
    118 #define GRFGETVMODE	_IOWR('G', 41, struct grfvideo_mode)
    119 	/* set video_mode. */
    120 #define GRFSETVMODE	_IOW('G', 42, int)
    121 	/* get number of configured video modes */
    122 #define GRFGETNUMVM	_IOR('G', 43, int)
    123 
    124 
    125 /*
    126  * generic framebuffer-related ioctls. These are somewhat
    127  * similar to SunOS fb-ioctls since I liked them reading
    128  * thru the X11-server code.
    129  */
    130 
    131 /*
    132  * colormap related information. Every grf has an associated
    133  * colormap. Depending on the capabilities of the hardware, more
    134  * or less of the information provided may be used.
    135  * Maxium value of "index" can be deduced from grfinfo->gd_colors.
    136  */
    137 struct grf_colormap {
    138   int	 index;	    /* start at red[index],green[index],blue[index] */
    139   int	 count;	    /* till < red[index+count],... */
    140   u_char *red;
    141   u_char *green;
    142   u_char *blue;
    143 };
    144 
    145 /* write the selected slots into the active colormap */
    146 #define GRFIOCPUTCMAP	_IOW('G', 50, struct grf_colormap)
    147 
    148 /* retrieve the selected slots from the active colormap */
    149 #define GRFIOCGETCMAP	_IOWR('G', 51, struct grf_colormap)
    150 
    151 
    152 /*
    153  * support a possibly available hardware sprite. calls just fail
    154  * if a given grf doesn't implement hardware sprites.
    155  */
    156 struct grf_position {
    157   u_short x, y;		/* 0,0 is upper left corner */
    158 };
    159 #define GRFIOCSSPRITEPOS _IOW('G', 52, struct grf_position)
    160 #define GRFIOCGSPRITEPOS _IOR('G', 53, struct grf_position)
    161 
    162 struct grf_spriteinfo {
    163   u_short  set;
    164 #define GRFSPRSET_ENABLE  (1<<0)
    165 #define GRFSPRSET_POS	  (1<<1)
    166 #define GRFSPRSET_HOT	  (1<<2)
    167 #define GRFSPRSET_CMAP	  (1<<3)
    168 #define GRFSPRSET_SHAPE	  (1<<4)
    169 #define GRFSPRSET_ALL	  0x1f
    170   u_short  enable;	    /* sprite is displayed if == 1 */
    171   struct grf_position pos;  /* sprite location */
    172   struct grf_position hot;  /* sprite hot spot */
    173   struct grf_colormap cmap; /* colormap for the sprite. */
    174   struct grf_position size; /* x == width, y == height */
    175   u_char *image, *mask;	    /* sprite bitmap and mask */
    176 };
    177 
    178 #define GRFIOCSSPRITEINF _IOW('G', 54, struct grf_spriteinfo)
    179 #define GRFIOCGSPRITEINF _IOR('G', 55, struct grf_spriteinfo)
    180 
    181 /* get maximum sprite size hardware can display */
    182 #define GRFIOCGSPRITEMAX _IOR('G', 56, struct grf_position)
    183 
    184 
    185 /* support for a BitBlt operation. The op-codes are identical
    186    to X11 GCs */
    187 #define	GRFBBOPclear		0x0	/* 0 */
    188 #define GRFBBOPand		0x1	/* src AND dst */
    189 #define GRFBBOPandReverse	0x2	/* src AND NOT dst */
    190 #define GRFBBOPcopy		0x3	/* src */
    191 #define GRFBBOPandInverted	0x4	/* NOT src AND dst */
    192 #define	GRFBBOPnoop		0x5	/* dst */
    193 #define GRFBBOPxor		0x6	/* src XOR dst */
    194 #define GRFBBOPor		0x7	/* src OR dst */
    195 #define GRFBBOPnor		0x8	/* NOT src AND NOT dst */
    196 #define GRFBBOPequiv		0x9	/* NOT src XOR dst */
    197 #define GRFBBOPinvert		0xa	/* NOT dst */
    198 #define GRFBBOPorReverse	0xb	/* src OR NOT dst */
    199 #define GRFBBOPcopyInverted	0xc	/* NOT src */
    200 #define GRFBBOPorInverted	0xd	/* NOT src OR dst */
    201 #define GRFBBOPnand		0xe	/* NOT src OR NOT dst */
    202 #define GRFBBOPset		0xf	/* 1 */
    203 
    204 struct grf_bitblt {
    205   u_short op;		/* see above */
    206   u_short src_x, src_y;	/* upper left corner of source-region */
    207   u_short dst_x, dst_y;	/* upper left corner of dest-region */
    208   u_short w, h;		/* width, height of region */
    209   u_short mask;		/* bitmask to apply */
    210 };
    211 
    212 #define GRFIOCBITBLT	_IOR('G', 57, struct grf_bitblt)
    213 
    214