121 lines
4.6 KiB
C
121 lines
4.6 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: grfioctl.h 1.1 90/07/09$
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*
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* @(#)grfioctl.h 7.2 (Berkeley) 11/4/90
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*/
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/* these are changeable values, encapsulated in their own structure, so
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no the whole thing has to be copied when setting parameters. */
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struct grfdyninfo {
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int gdi_fbx; /* frame buffer x offset */
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int gdi_fby; /* frame buffer y offset */
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int gdi_dwidth; /* displayed part width */
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int gdi_dheight; /* displayed part height */
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int gdi_dx; /* displayed part x offset */
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int gdi_dy; /* displayed part y offset */
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};
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struct grfinfo {
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caddr_t gd_regaddr; /* control registers physaddr */
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int gd_regsize; /* control registers size */
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caddr_t gd_fbaddr; /* frame buffer physaddr */
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int gd_fbsize; /* frame buffer size */
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short gd_colors; /* number of colors */
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short gd_planes; /* number of planes */
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int gd_fbwidth; /* frame buffer width */
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int gd_fbheight; /* frame buffer height */
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struct grfdyninfo gd_dyn; /* everything changable by GRFIOCSINFO */
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/* compatibility... */
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#define gd_fbx gd_dyn.gdi_fbx
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#define gd_fby gd_dyn.gdi_fby
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#define gd_dwidth gd_dyn.gdi_dwidth
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#define gd_dheight gd_dyn.gdi_dheight
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#define gd_dx gd_dyn.gdi_dx
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#define gd_dy gd_dyn.gdi_dy
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};
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/* video mode, should be display-independant, but it might need
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modifications in the future to really become hardware-independant. */
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struct grfvideo_mode {
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u_char mode_num; /* index in mode table */
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char mode_descr[80]; /* description of mode */
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u_long pixel_clock; /* in Hz. */
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u_short disp_width; /* width of displayed video (incl overscan) */
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u_short disp_height; /* height "" */
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u_short depth; /* number of bitplanes resp. bits per pixel */
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u_short hblank_start;
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u_short hblank_stop;
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u_short hsync_start; /* video-parameters, take care not to */
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u_short hsync_stop; /* use parameters that violete specs of */
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u_short htotal; /* your monitor ! */
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u_short vblank_start;
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u_short vblank_stop;
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u_short vsync_start;
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u_short vsync_stop;
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u_short vtotal;
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};
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/*
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* BSD ioctls
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*/
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#define GRFIOCGINFO _IOR('G', 0, struct grfinfo) /* get info on device */
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#define GRFIOCON _IO('G', 1) /* turn graphics on */
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#define GRFIOCOFF _IO('G', 2) /* turn graphics off */
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#define GRFIOCMAP _IOWR('G', 5, int) /* map in regs+framebuffer */
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#define GRFIOCUNMAP _IOW('G', 6, int) /* unmap regs+framebuffer */
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/* amiga addons */
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/* set info on device */
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#define GRFIOCSINFO _IOW('G', 40, struct grfdyninfo)
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/* get video_mode. mode_num==0 gets current mode. */
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#define GRFGETVMODE _IOWR('G', 41, struct grfvideo_mode)
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/* set video_mode. */
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#define GRFSETVMODE _IOW('G', 42, int)
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/* get number of configured video modes */
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#define GRFGETNUMVM _IOR('G', 43, int)
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