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 */ 42 43 44 /* these are changeable values, encapsulated in their own structure, so 45 no the whole thing has to be copied when setting parameters. */ 46 struct grfdyninfo { 47 int gdi_fbx; /* frame buffer x offset */ 48 int gdi_fby; /* frame buffer y offset */ 49 int gdi_dwidth; /* displayed part width */ 50 int gdi_dheight; /* displayed part height */ 51 int gdi_dx; /* displayed part x offset */ 52 int gdi_dy; /* displayed part y offset */ 53 }; 54 55 struct grfinfo { 56 caddr_t gd_regaddr; /* control registers physaddr */ 57 int gd_regsize; /* control registers size */ 58 caddr_t gd_fbaddr; /* frame buffer physaddr */ 59 int gd_fbsize; /* frame buffer size */ 60 short gd_colors; /* number of colors */ 61 short gd_planes; /* number of planes */ 62 63 int gd_fbwidth; /* frame buffer width */ 64 int gd_fbheight; /* frame buffer height */ 65 66 struct grfdyninfo gd_dyn; /* everything changable by GRFIOCSINFO */ 67 /* compatibility... */ 68 #define gd_fbx gd_dyn.gdi_fbx 69 #define gd_fby gd_dyn.gdi_fby 70 #define gd_dwidth gd_dyn.gdi_dwidth 71 #define gd_dheight gd_dyn.gdi_dheight 72 #define gd_dx gd_dyn.gdi_dx 73 #define gd_dy gd_dyn.gdi_dy 74 }; 75 76 77 /* video mode, should be display-independant, but it might need 78 modifications in the future to really become hardware-independant. */ 79 80 struct grfvideo_mode { 81 u_char mode_num; /* index in mode table */ 82 char mode_descr[80]; /* description of mode */ 83 u_long pixel_clock; /* in Hz. */ 84 u_short disp_width; /* width of displayed video (incl overscan) */ 85 u_short disp_height; /* height "" */ 86 u_short depth; /* number of bitplanes resp. bits per pixel */ 87 u_short hblank_start; 88 u_short hblank_stop; 89 u_short hsync_start; /* video-parameters, take care not to */ 90 u_short hsync_stop; /* use parameters that violete specs of */ 91 u_short htotal; /* your monitor ! */ 92 u_short vblank_start; 93 u_short vblank_stop; 94 u_short vsync_start; 95 u_short vsync_stop; 96 u_short vtotal; 97 }; 98 99 100 /* 101 * BSD ioctls 102 */ 103 #define GRFIOCGINFO _IOR('G', 0, struct grfinfo) /* get info on device */ 104 #define GRFIOCON _IO('G', 1) /* turn graphics on */ 105 #define GRFIOCOFF _IO('G', 2) /* turn graphics off */ 106 #define GRFIOCMAP _IOWR('G', 5, int) /* map in regs+framebuffer */ 107 #define GRFIOCUNMAP _IOW('G', 6, int) /* unmap regs+framebuffer */ 108 109 /* amiga addons */ 110 /* set info on device */ 111 #define GRFIOCSINFO _IOW('G', 40, struct grfdyninfo) 112 /* get video_mode. mode_num==0 gets current mode. */ 113 #define GRFGETVMODE _IOWR('G', 41, struct grfvideo_mode) 114 /* set video_mode. */ 115 #define GRFSETVMODE _IOW('G', 42, int) 116 /* get number of configured video modes */ 117 #define GRFGETNUMVM _IOR('G', 43, int) 118 119 120 121