grfioctl.h revision 1.1 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 * BSD ioctls
78 */
79 #define GRFIOCGINFO _IOR('G', 0, struct grfinfo) /* get info on device */
80 #define GRFIOCON _IO('G', 1) /* turn graphics on */
81 #define GRFIOCOFF _IO('G', 2) /* turn graphics off */
82 #define GRFIOCMAP _IOWR('G', 5, int) /* map in regs+framebuffer */
83 #define GRFIOCUNMAP _IOW('G', 6, int) /* unmap regs+framebuffer */
84 #define GRFIOCSINFO _IOW('G', 7, struct grfdyninfo) /* set info on device */
85