grfioctl.h revision 1.19.66.1 1 /* $NetBSD: grfioctl.h,v 1.19.66.1 2011/03/05 20:49:21 rmind Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah $Hdr: grfioctl.h 1.1 90/07/09$
37 *
38 * @(#)grfioctl.h 7.2 (Berkeley) 11/4/90
39 */
40
41 /* these are changeable values, encapsulated in their own structure, so
42 no the whole thing has to be copied when setting parameters. */
43 struct grfdyninfo {
44 int gdi_fbx; /* frame buffer x offset */
45 int gdi_fby; /* frame buffer y offset */
46 int gdi_dwidth; /* displayed part width */
47 int gdi_dheight; /* displayed part height */
48 int gdi_dx; /* displayed part x offset */
49 int gdi_dy; /* displayed part y offset */
50 };
51
52 struct grfinfo {
53 void * gd_regaddr; /* control registers physaddr */
54 int gd_regsize; /* control registers size */
55 void * gd_fbaddr; /* frame buffer physaddr */
56 int gd_fbsize; /* frame buffer size */
57 short gd_colors; /* number of colors */
58 short gd_planes; /* number of planes */
59
60 int gd_fbwidth; /* frame buffer width */
61 int gd_fbheight; /* frame buffer height */
62
63 struct grfdyninfo gd_dyn; /* everything changable by GRFIOCSINFO */
64 /* compatibility... */
65 #define gd_fbx gd_dyn.gdi_fbx
66 #define gd_fby gd_dyn.gdi_fby
67 #define gd_dwidth gd_dyn.gdi_dwidth
68 #define gd_dheight gd_dyn.gdi_dheight
69 #define gd_dx gd_dyn.gdi_dx
70 #define gd_dy gd_dyn.gdi_dy
71
72 /* new for banked pager support */
73 int gd_bank_size; /* size of a bank (or 0) */
74 };
75
76
77 /* video mode, should be display-independent, but it might need
78 modifications in the future to really become hardware-independent. */
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 hsync_start; /* video-parameters, take care not to */
89 u_short hsync_stop; /* use parameters that violete specs of */
90 u_short htotal; /* your monitor ! */
91 u_short vblank_start;
92 u_short vsync_start;
93 u_short vsync_stop;
94 u_short vtotal;
95 u_short disp_flags; /* GRF_FLAGS_xxxx */
96 };
97
98 /* values for grfvideo_mode->disp_flags */
99 #define GRF_FLAGS_DEFAULT 0x00 /* default */
100 #define GRF_FLAGS_DBLSCAN 0x01 /* doublescan */
101 #define GRF_FLAGS_LACE 0x02 /* interlace */
102 #define GRF_FLAGS_PHSYNC 0x04 /* +hsync */
103 #define GRF_FLAGS_NHSYNC 0x08 /* -hsync */
104 #define GRF_FLAGS_PVSYNC 0x10 /* +vsync */
105 #define GRF_FLAGS_NVSYNC 0x20 /* -vsync */
106 #define GRF_FLAGS_SYNC_ON_GREEN 0x40 /* sync-on-green */
107
108 /*
109 * BSD ioctls
110 */
111 #define OGRFIOCGINFO 0x40344700 /* to keep compat for a while... */
112 #define GRFIOCGINFO _IOR('G', 0, struct grfinfo) /* get info on device */
113 #define GRFIOCON _IO('G', 1) /* turn graphics on */
114 #define GRFIOCOFF _IO('G', 2) /* turn graphics off */
115 #define GRFIOCMAP _IOWR('G', 5, int) /* map in regs+framebuffer */
116 #define GRFIOCUNMAP _IOW('G', 6, int) /* unmap regs+framebuffer */
117
118 /* amiga addons */
119 /* set info on device */
120 #define GRFIOCSINFO _IOW('G', 40, struct grfdyninfo)
121 /* get video_mode. mode_num==0 gets current mode. */
122 #define GRFGETVMODE _IOWR('G', 41, struct grfvideo_mode)
123 /* set video_mode. */
124 #define GRFSETVMODE _IOW('G', 42, int)
125 /* get number of configured video modes */
126 #define GRFGETNUMVM _IOR('G', 43, int)
127 /* toggle between Cirrus and ECS, ill */
128 #define GRFTOGGLE _IO('G', 44)
129 /* load in a display mode */
130 #define GRFIOCSETMON _IOW('G', 45, struct grfvideo_mode)
131
132 /*
133 * generic framebuffer-related ioctls. These are somewhat
134 * similar to SunOS fb-ioctls since I liked them reading
135 * thru the X11-server code.
136 */
137
138 /*
139 * colormap related information. Every grf has an associated
140 * colormap. Depending on the capabilities of the hardware, more
141 * or less of the information provided may be used.
142 * Maxium value of "index" can be deduced from grfinfo->gd_colors.
143 */
144 struct grf_colormap {
145 unsigned int index; /* start at red[index],green[index],blue[index] */
146 unsigned int count; /* till < red[index+count],... */
147 u_char *red;
148 u_char *green;
149 u_char *blue;
150 };
151
152 /* write the selected slots into the active colormap */
153 #define GRFIOCPUTCMAP _IOW('G', 50, struct grf_colormap)
154
155 /* retrieve the selected slots from the active colormap */
156 #define GRFIOCGETCMAP _IOWR('G', 51, struct grf_colormap)
157
158
159 /*
160 * support a possibly available hardware sprite. calls just fail
161 * if a given grf doesn't implement hardware sprites.
162 */
163 struct grf_position {
164 u_short x, y; /* 0,0 is upper left corner */
165 };
166 #define GRFIOCSSPRITEPOS _IOW('G', 52, struct grf_position)
167 #define GRFIOCGSPRITEPOS _IOR('G', 53, struct grf_position)
168
169 struct grf_spriteinfo {
170 u_short set;
171 #define GRFSPRSET_ENABLE (1<<0)
172 #define GRFSPRSET_POS (1<<1)
173 #define GRFSPRSET_HOT (1<<2)
174 #define GRFSPRSET_CMAP (1<<3)
175 #define GRFSPRSET_SHAPE (1<<4)
176 #define GRFSPRSET_ALL 0x1f
177 u_short enable; /* sprite is displayed if == 1 */
178 struct grf_position pos; /* sprite location */
179 struct grf_position hot; /* sprite hot spot */
180 struct grf_colormap cmap; /* colormap for the sprite. */
181 struct grf_position size; /* x == width, y == height */
182 u_char *image, *mask; /* sprite bitmap and mask */
183 };
184
185 #define GRFIOCSSPRITEINF _IOW('G', 54, struct grf_spriteinfo)
186 #define GRFIOCGSPRITEINF _IOR('G', 55, struct grf_spriteinfo)
187
188 /* get maximum sprite size hardware can display */
189 #define GRFIOCGSPRITEMAX _IOR('G', 56, struct grf_position)
190
191
192 /* support for a BitBlt operation. The op-codes are identical
193 to X11 GCs */
194 #define GRFBBOPclear 0x0 /* 0 */
195 #define GRFBBOPand 0x1 /* src AND dst */
196 #define GRFBBOPandReverse 0x2 /* src AND NOT dst */
197 #define GRFBBOPcopy 0x3 /* src */
198 #define GRFBBOPandInverted 0x4 /* NOT src AND dst */
199 #define GRFBBOPnoop 0x5 /* dst */
200 #define GRFBBOPxor 0x6 /* src XOR dst */
201 #define GRFBBOPor 0x7 /* src OR dst */
202 #define GRFBBOPnor 0x8 /* NOT src AND NOT dst */
203 #define GRFBBOPequiv 0x9 /* NOT src XOR dst */
204 #define GRFBBOPinvert 0xa /* NOT dst */
205 #define GRFBBOPorReverse 0xb /* src OR NOT dst */
206 #define GRFBBOPcopyInverted 0xc /* NOT src */
207 #define GRFBBOPorInverted 0xd /* NOT src OR dst */
208 #define GRFBBOPnand 0xe /* NOT src OR NOT dst */
209 #define GRFBBOPset 0xf /* 1 */
210
211 struct grf_bitblt {
212 u_short op; /* see above */
213 u_short src_x, src_y; /* upper left corner of source-region */
214 u_short dst_x, dst_y; /* upper left corner of dest-region */
215 u_short w, h; /* width, height of region */
216 u_short mask; /* bitmask to apply */
217 };
218
219 #define GRFIOCBITBLT _IOW('G', 57, struct grf_bitblt)
220
221 /* can't use IOCON/OFF because that would turn ite on */
222 #define GRFIOCBLANK _IOW('G', 58, int)
223
224 #define GRFIOCBLANK_LIVE 1
225 #define GRFIOCBLANK_DARK 0
226