grfioctl.h revision 1.3 1 1.1 mw /*
2 1.1 mw * Copyright (c) 1988 University of Utah.
3 1.1 mw * Copyright (c) 1990 The Regents of the University of California.
4 1.1 mw * All rights reserved.
5 1.1 mw *
6 1.1 mw * This code is derived from software contributed to Berkeley by
7 1.1 mw * the Systems Programming Group of the University of Utah Computer
8 1.1 mw * Science Department.
9 1.1 mw *
10 1.1 mw * Redistribution and use in source and binary forms, with or without
11 1.1 mw * modification, are permitted provided that the following conditions
12 1.1 mw * are met:
13 1.1 mw * 1. Redistributions of source code must retain the above copyright
14 1.1 mw * notice, this list of conditions and the following disclaimer.
15 1.1 mw * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 mw * notice, this list of conditions and the following disclaimer in the
17 1.1 mw * documentation and/or other materials provided with the distribution.
18 1.1 mw * 3. All advertising materials mentioning features or use of this software
19 1.1 mw * must display the following acknowledgement:
20 1.1 mw * This product includes software developed by the University of
21 1.1 mw * California, Berkeley and its contributors.
22 1.1 mw * 4. Neither the name of the University nor the names of its contributors
23 1.1 mw * may be used to endorse or promote products derived from this software
24 1.1 mw * without specific prior written permission.
25 1.1 mw *
26 1.1 mw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 1.1 mw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 1.1 mw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 1.1 mw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 1.1 mw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 1.1 mw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 1.1 mw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 1.1 mw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 1.1 mw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 1.1 mw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 1.1 mw * SUCH DAMAGE.
37 1.1 mw *
38 1.2 mycroft * from: Utah Hdr: grfioctl.h 1.1 90/07/09
39 1.2 mycroft * from: @(#)grfioctl.h 7.2 (Berkeley) 11/4/90
40 1.3 mw * $Id: grfioctl.h,v 1.3 1993/09/02 18:08:00 mw Exp $
41 1.1 mw */
42 1.1 mw
43 1.1 mw
44 1.1 mw /* these are changeable values, encapsulated in their own structure, so
45 1.1 mw no the whole thing has to be copied when setting parameters. */
46 1.1 mw struct grfdyninfo {
47 1.1 mw int gdi_fbx; /* frame buffer x offset */
48 1.1 mw int gdi_fby; /* frame buffer y offset */
49 1.1 mw int gdi_dwidth; /* displayed part width */
50 1.1 mw int gdi_dheight; /* displayed part height */
51 1.1 mw int gdi_dx; /* displayed part x offset */
52 1.1 mw int gdi_dy; /* displayed part y offset */
53 1.1 mw };
54 1.1 mw
55 1.1 mw struct grfinfo {
56 1.1 mw caddr_t gd_regaddr; /* control registers physaddr */
57 1.1 mw int gd_regsize; /* control registers size */
58 1.1 mw caddr_t gd_fbaddr; /* frame buffer physaddr */
59 1.1 mw int gd_fbsize; /* frame buffer size */
60 1.1 mw short gd_colors; /* number of colors */
61 1.1 mw short gd_planes; /* number of planes */
62 1.1 mw
63 1.1 mw int gd_fbwidth; /* frame buffer width */
64 1.1 mw int gd_fbheight; /* frame buffer height */
65 1.1 mw
66 1.1 mw struct grfdyninfo gd_dyn; /* everything changable by GRFIOCSINFO */
67 1.1 mw /* compatibility... */
68 1.1 mw #define gd_fbx gd_dyn.gdi_fbx
69 1.1 mw #define gd_fby gd_dyn.gdi_fby
70 1.1 mw #define gd_dwidth gd_dyn.gdi_dwidth
71 1.1 mw #define gd_dheight gd_dyn.gdi_dheight
72 1.1 mw #define gd_dx gd_dyn.gdi_dx
73 1.1 mw #define gd_dy gd_dyn.gdi_dy
74 1.1 mw };
75 1.1 mw
76 1.3 mw
77 1.3 mw /* video mode, should be display-independant, but it might need
78 1.3 mw modifications in the future to really become hardware-independant. */
79 1.3 mw
80 1.3 mw struct grfvideo_mode {
81 1.3 mw u_char mode_num; /* index in mode table */
82 1.3 mw char mode_descr[80]; /* description of mode */
83 1.3 mw u_long pixel_clock; /* in Hz. */
84 1.3 mw u_short disp_width; /* width of displayed video (incl overscan) */
85 1.3 mw u_short disp_height; /* height "" */
86 1.3 mw u_short depth; /* number of bitplanes resp. bits per pixel */
87 1.3 mw u_short hblank_start;
88 1.3 mw u_short hblank_stop;
89 1.3 mw u_short hsync_start; /* video-parameters, take care not to */
90 1.3 mw u_short hsync_stop; /* use parameters that violete specs of */
91 1.3 mw u_short htotal; /* your monitor ! */
92 1.3 mw u_short vblank_start;
93 1.3 mw u_short vblank_stop;
94 1.3 mw u_short vsync_start;
95 1.3 mw u_short vsync_stop;
96 1.3 mw u_short vtotal;
97 1.3 mw };
98 1.3 mw
99 1.3 mw
100 1.1 mw /*
101 1.1 mw * BSD ioctls
102 1.1 mw */
103 1.1 mw #define GRFIOCGINFO _IOR('G', 0, struct grfinfo) /* get info on device */
104 1.1 mw #define GRFIOCON _IO('G', 1) /* turn graphics on */
105 1.1 mw #define GRFIOCOFF _IO('G', 2) /* turn graphics off */
106 1.1 mw #define GRFIOCMAP _IOWR('G', 5, int) /* map in regs+framebuffer */
107 1.1 mw #define GRFIOCUNMAP _IOW('G', 6, int) /* unmap regs+framebuffer */
108 1.3 mw
109 1.3 mw /* amiga addons */
110 1.3 mw /* set info on device */
111 1.3 mw #define GRFIOCSINFO _IOW('G', 40, struct grfdyninfo)
112 1.3 mw /* get video_mode. mode_num==0 gets current mode. */
113 1.3 mw #define GRFGETVMODE _IOWR('G', 41, struct grfvideo_mode)
114 1.3 mw /* set video_mode. */
115 1.3 mw #define GRFSETVMODE _IOW('G', 42, int)
116 1.3 mw /* get number of configured video modes */
117 1.3 mw #define GRFGETNUMVM _IOR('G', 43, int)
118 1.3 mw
119 1.3 mw
120 1.3 mw
121