grfioctl.h revision 1.15 1 /* $NetBSD: grfioctl.h,v 1.15 2002/01/26 13:40:56 aymeric 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. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah $Hdr: grfioctl.h 1.1 90/07/09$
41 *
42 * @(#)grfioctl.h 7.2 (Berkeley) 11/4/90
43 */
44
45
46 /* these are changeable values, encapsulated in their own structure, so
47 no the whole thing has to be copied when setting parameters. */
48 struct grfdyninfo {
49 int gdi_fbx; /* frame buffer x offset */
50 int gdi_fby; /* frame buffer y offset */
51 int gdi_dwidth; /* displayed part width */
52 int gdi_dheight; /* displayed part height */
53 int gdi_dx; /* displayed part x offset */
54 int gdi_dy; /* displayed part y offset */
55 };
56
57 struct grfinfo {
58 caddr_t gd_regaddr; /* control registers physaddr */
59 int gd_regsize; /* control registers size */
60 caddr_t gd_fbaddr; /* frame buffer physaddr */
61 int gd_fbsize; /* frame buffer size */
62 short gd_colors; /* number of colors */
63 short gd_planes; /* number of planes */
64
65 int gd_fbwidth; /* frame buffer width */
66 int gd_fbheight; /* frame buffer height */
67
68 struct grfdyninfo gd_dyn; /* everything changable by GRFIOCSINFO */
69 /* compatibility... */
70 #define gd_fbx gd_dyn.gdi_fbx
71 #define gd_fby gd_dyn.gdi_fby
72 #define gd_dwidth gd_dyn.gdi_dwidth
73 #define gd_dheight gd_dyn.gdi_dheight
74 #define gd_dx gd_dyn.gdi_dx
75 #define gd_dy gd_dyn.gdi_dy
76
77 /* new for banked pager support */
78 int gd_bank_size; /* size of a bank (or 0) */
79 };
80
81
82 /* video mode, should be display-independant, but it might need
83 modifications in the future to really become hardware-independant. */
84
85 struct grfvideo_mode {
86 u_char mode_num; /* index in mode table */
87 char mode_descr[80]; /* description of mode */
88 u_long pixel_clock; /* in Hz. */
89 u_short disp_width; /* width of displayed video (incl overscan) */
90 u_short disp_height; /* height "" */
91 u_short depth; /* number of bitplanes resp. bits per pixel */
92 u_short hblank_start;
93 u_short hsync_start; /* video-parameters, take care not to */
94 u_short hsync_stop; /* use parameters that violete specs of */
95 u_short htotal; /* your monitor ! */
96 u_short vblank_start;
97 u_short vsync_start;
98 u_short vsync_stop;
99 u_short vtotal;
100 u_short disp_flags; /* GRF_FLAGS_xxxx */
101 };
102
103 /* values for grfvideo_mode->disp_flags */
104 #define GRF_FLAGS_DEFAULT 0x00 /* default */
105 #define GRF_FLAGS_DBLSCAN 0x01 /* doublescan */
106 #define GRF_FLAGS_LACE 0x02 /* interlace */
107 #define GRF_FLAGS_PHSYNC 0x04 /* +hsync */
108 #define GRF_FLAGS_NHSYNC 0x08 /* -hsync */
109 #define GRF_FLAGS_PVSYNC 0x10 /* +vsync */
110 #define GRF_FLAGS_NVSYNC 0x20 /* -vsync */
111 #define GRF_FLAGS_SYNC_ON_GREEN 0x40 /* sync-on-green */
112
113 /*
114 * BSD ioctls
115 */
116 #define OGRFIOCGINFO 0x40344700 /* to keep compat for a while... */
117 #define GRFIOCGINFO _IOR('G', 0, struct grfinfo) /* get info on device */
118 #define GRFIOCON _IO('G', 1) /* turn graphics on */
119 #define GRFIOCOFF _IO('G', 2) /* turn graphics off */
120 #define GRFIOCMAP _IOWR('G', 5, int) /* map in regs+framebuffer */
121 #define GRFIOCUNMAP _IOW('G', 6, int) /* unmap regs+framebuffer */
122
123 /* amiga addons */
124 /* set info on device */
125 #define GRFIOCSINFO _IOW('G', 40, struct grfdyninfo)
126 /* get video_mode. mode_num==0 gets current mode. */
127 #define GRFGETVMODE _IOWR('G', 41, struct grfvideo_mode)
128 /* set video_mode. */
129 #define GRFSETVMODE _IOW('G', 42, int)
130 /* get number of configured video modes */
131 #define GRFGETNUMVM _IOR('G', 43, int)
132 /* toggle between Cirrus and ECS, ill */
133 #define GRFTOGGLE _IO('G', 44)
134 /* load in a display mode */
135 #define GRFIOCSETMON _IOW('G', 45, struct grfvideo_mode)
136
137 /*
138 * generic framebuffer-related ioctls. These are somewhat
139 * similar to SunOS fb-ioctls since I liked them reading
140 * thru the X11-server code.
141 */
142
143 /*
144 * colormap related information. Every grf has an associated
145 * colormap. Depending on the capabilities of the hardware, more
146 * or less of the information provided may be used.
147 * Maxium value of "index" can be deduced from grfinfo->gd_colors.
148 */
149 struct grf_colormap {
150 unsigned int index; /* start at red[index],green[index],blue[index] */
151 unsigned int count; /* till < red[index+count],... */
152 u_char *red;
153 u_char *green;
154 u_char *blue;
155 };
156
157 /* write the selected slots into the active colormap */
158 #define GRFIOCPUTCMAP _IOW('G', 50, struct grf_colormap)
159
160 /* retrieve the selected slots from the active colormap */
161 #define GRFIOCGETCMAP _IOWR('G', 51, struct grf_colormap)
162
163
164 /*
165 * support a possibly available hardware sprite. calls just fail
166 * if a given grf doesn't implement hardware sprites.
167 */
168 struct grf_position {
169 u_short x, y; /* 0,0 is upper left corner */
170 };
171 #define GRFIOCSSPRITEPOS _IOW('G', 52, struct grf_position)
172 #define GRFIOCGSPRITEPOS _IOR('G', 53, struct grf_position)
173
174 struct grf_spriteinfo {
175 u_short set;
176 #define GRFSPRSET_ENABLE (1<<0)
177 #define GRFSPRSET_POS (1<<1)
178 #define GRFSPRSET_HOT (1<<2)
179 #define GRFSPRSET_CMAP (1<<3)
180 #define GRFSPRSET_SHAPE (1<<4)
181 #define GRFSPRSET_ALL 0x1f
182 u_short enable; /* sprite is displayed if == 1 */
183 struct grf_position pos; /* sprite location */
184 struct grf_position hot; /* sprite hot spot */
185 struct grf_colormap cmap; /* colormap for the sprite. */
186 struct grf_position size; /* x == width, y == height */
187 u_char *image, *mask; /* sprite bitmap and mask */
188 };
189
190 #define GRFIOCSSPRITEINF _IOW('G', 54, struct grf_spriteinfo)
191 #define GRFIOCGSPRITEINF _IOR('G', 55, struct grf_spriteinfo)
192
193 /* get maximum sprite size hardware can display */
194 #define GRFIOCGSPRITEMAX _IOR('G', 56, struct grf_position)
195
196
197 /* support for a BitBlt operation. The op-codes are identical
198 to X11 GCs */
199 #define GRFBBOPclear 0x0 /* 0 */
200 #define GRFBBOPand 0x1 /* src AND dst */
201 #define GRFBBOPandReverse 0x2 /* src AND NOT dst */
202 #define GRFBBOPcopy 0x3 /* src */
203 #define GRFBBOPandInverted 0x4 /* NOT src AND dst */
204 #define GRFBBOPnoop 0x5 /* dst */
205 #define GRFBBOPxor 0x6 /* src XOR dst */
206 #define GRFBBOPor 0x7 /* src OR dst */
207 #define GRFBBOPnor 0x8 /* NOT src AND NOT dst */
208 #define GRFBBOPequiv 0x9 /* NOT src XOR dst */
209 #define GRFBBOPinvert 0xa /* NOT dst */
210 #define GRFBBOPorReverse 0xb /* src OR NOT dst */
211 #define GRFBBOPcopyInverted 0xc /* NOT src */
212 #define GRFBBOPorInverted 0xd /* NOT src OR dst */
213 #define GRFBBOPnand 0xe /* NOT src OR NOT dst */
214 #define GRFBBOPset 0xf /* 1 */
215
216 struct grf_bitblt {
217 u_short op; /* see above */
218 u_short src_x, src_y; /* upper left corner of source-region */
219 u_short dst_x, dst_y; /* upper left corner of dest-region */
220 u_short w, h; /* width, height of region */
221 u_short mask; /* bitmask to apply */
222 };
223
224 #define GRFIOCBITBLT _IOW('G', 57, struct grf_bitblt)
225
226 /* can't use IOCON/OFF because that would turn ite on */
227 #define GRFIOCBLANK _IOW('G', 58, int)
228
229 #define GRFIOCBLANK_LIVE 1
230 #define GRFIOCBLANK_DARK 0
231