xref: /netbsd/sys/arch/atari/dev/grfioctl.h (revision bf9ec67e)
1 /*	$NetBSD: grfioctl.h,v 1.3 1998/12/20 14:32:53 thomas 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_fbaddr;	/* frame buffer linear physaddr	*/
59 	int	gd_fbsize;	/* frame buffer linear size	*/
60 	int	gd_linbase;	/* frame buffer linear base	*/
61 	caddr_t	gd_regaddr;	/* register area physaddr	*/
62 	int	gd_regsize;	/* register area size		*/
63 	caddr_t gd_vgaaddr;	/* vga area physaddr		*/
64 	int	gd_vgasize;	/* vga area size		*/
65 	int	gd_vgabase;	/* vga area base		*/
66 	short	gd_colors;	/* number of colors		*/
67 	short	gd_planes;	/* number of planes		*/
68 
69 	int	gd_fbwidth;	/* frame buffer width		*/
70 	int	gd_fbheight;	/* frame buffer height		*/
71 
72 	struct grfdyninfo gd_dyn; /* everything changable by GRFIOCSINFO */
73 /* compatibility... */
74 #define gd_fbx		gd_dyn.gdi_fbx
75 #define gd_fby		gd_dyn.gdi_fby
76 #define gd_dwidth 	gd_dyn.gdi_dwidth
77 #define gd_dheight	gd_dyn.gdi_dheight
78 #define gd_dx		gd_dyn.gdi_dx
79 #define gd_dy		gd_dyn.gdi_dy
80 
81 	/* new for banked pager support */
82 	int	gd_bank_size;		/* size of a bank (or 0) */
83 };
84 
85 
86 /* video mode, should be display-independant, but it might need
87    modifications in the future to really become hardware-independant. */
88 
89 struct grfvideo_mode {
90   u_char  mode_num;		/* index in mode table */
91   char	  mode_descr[80];	/* description of mode */
92   u_long  pixel_clock;		/* in Hz. */
93   u_short disp_width;		/* width of displayed video (incl overscan) */
94   u_short disp_height;		/* height "" */
95   u_short depth;		/* number of bitplanes resp. bits per pixel */
96   u_short hblank_start;
97   u_short hblank_stop;
98   u_short hsync_start;		/* video-parameters, take care not to   */
99   u_short hsync_stop;		/* use parameters that violete specs of */
100   u_short htotal;		/* your monitor !                       */
101   u_short vblank_start;
102   u_short vblank_stop;
103   u_short vsync_start;
104   u_short vsync_stop;
105   u_short vtotal;
106 };
107 
108 
109 /*
110  * BSD ioctls
111  */
112 #define OGRFIOCGINFO	0x40344700		/* to keep compat for a while... */
113 #define	GRFIOCGINFO	_IOR('G', 0, struct grfinfo) /* get info on device */
114 #define	GRFIOCON	_IO('G', 1)		/* turn graphics on */
115 #define	GRFIOCOFF	_IO('G', 2)		/* turn graphics off */
116 #define GRFIOCMAP	_IOWR('G', 5, int)	/* map in regs+framebuffer */
117 #define GRFIOCUNMAP	_IOW('G', 6, int)	/* unmap regs+framebuffer */
118 
119 /* amiga addons */
120 	/* set info on device */
121 #define	GRFIOCSINFO	_IOW('G', 40, struct grfdyninfo)
122 	/* get video_mode. mode_num==0 gets current mode. */
123 #define GRFGETVMODE	_IOWR('G', 41, struct grfvideo_mode)
124 	/* set video_mode. */
125 #define GRFSETVMODE	_IOW('G', 42, int)
126 	/* get number of configured video modes */
127 #define GRFGETNUMVM	_IOR('G', 43, int)
128 
129 
130 /*
131  * generic framebuffer-related ioctls. These are somewhat
132  * similar to SunOS fb-ioctls since I liked them reading
133  * thru the X11-server code.
134  */
135 
136 /*
137  * colormap related information. Every grf has an associated
138  * colormap. Depending on the capabilities of the hardware, more
139  * or less of the information provided may be used.
140  * Maxium value of "index" can be deduced from grfinfo->gd_colors.
141  */
142 struct grf_colormap {
143   int	 index;	    /* start at red[index],green[index],blue[index] */
144   int	 count;	    /* till < red[index+count],... */
145   u_char *red;
146   u_char *green;
147   u_char *blue;
148 };
149 
150 /* write the selected slots into the active colormap */
151 #define GRFIOCPUTCMAP	_IOW('G', 50, struct grf_colormap)
152 
153 /* retrieve the selected slots from the active colormap */
154 #define GRFIOCGETCMAP	_IOWR('G', 51, struct grf_colormap)
155 
156 
157 /*
158  * support a possibly available hardware sprite. calls just fail
159  * if a given grf doesn't implement hardware sprites.
160  */
161 struct grf_position {
162   u_short x, y;		/* 0,0 is upper left corner */
163 };
164 #define GRFIOCSSPRITEPOS _IOW('G', 52, struct grf_position)
165 #define GRFIOCGSPRITEPOS _IOR('G', 53, struct grf_position)
166 
167 struct grf_spriteinfo {
168   u_short  set;
169 #define GRFSPRSET_ENABLE  (1<<0)
170 #define GRFSPRSET_POS	  (1<<1)
171 #define GRFSPRSET_HOT	  (1<<2)
172 #define GRFSPRSET_CMAP	  (1<<3)
173 #define GRFSPRSET_SHAPE	  (1<<4)
174 #define GRFSPRSET_ALL	  0x1f
175   u_short  enable;	    /* sprite is displayed if == 1 */
176   struct grf_position pos;  /* sprite location */
177   struct grf_position hot;  /* sprite hot spot */
178   struct grf_colormap cmap; /* colormap for the sprite. */
179   struct grf_position size; /* x == width, y == height */
180   u_char *image, *mask;	    /* sprite bitmap and mask */
181 };
182 
183 #define GRFIOCSSPRITEINF _IOW('G', 54, struct grf_spriteinfo)
184 #define GRFIOCGSPRITEINF _IOR('G', 55, struct grf_spriteinfo)
185 
186 /* get maximum sprite size hardware can display */
187 #define GRFIOCGSPRITEMAX _IOR('G', 56, struct grf_position)
188 
189 
190 /* support for a BitBlt operation. The op-codes are identical
191    to X11 GCs */
192 #define	GRFBBOPclear		0x0	/* 0 */
193 #define GRFBBOPand		0x1	/* src AND dst */
194 #define GRFBBOPandReverse	0x2	/* src AND NOT dst */
195 #define GRFBBOPcopy		0x3	/* src */
196 #define GRFBBOPandInverted	0x4	/* NOT src AND dst */
197 #define	GRFBBOPnoop		0x5	/* dst */
198 #define GRFBBOPxor		0x6	/* src XOR dst */
199 #define GRFBBOPor		0x7	/* src OR dst */
200 #define GRFBBOPnor		0x8	/* NOT src AND NOT dst */
201 #define GRFBBOPequiv		0x9	/* NOT src XOR dst */
202 #define GRFBBOPinvert		0xa	/* NOT dst */
203 #define GRFBBOPorReverse	0xb	/* src OR NOT dst */
204 #define GRFBBOPcopyInverted	0xc	/* NOT src */
205 #define GRFBBOPorInverted	0xd	/* NOT src OR dst */
206 #define GRFBBOPnand		0xe	/* NOT src OR NOT dst */
207 #define GRFBBOPset		0xf	/* 1 */
208 
209 struct grf_bitblt {
210   u_short op;		/* see above */
211   u_short src_x, src_y;	/* upper left corner of source-region */
212   u_short dst_x, dst_y;	/* upper left corner of dest-region */
213   u_short w, h;		/* width, height of region */
214   u_short mask;		/* bitmask to apply */
215 };
216 
217 #define GRFIOCBITBLT	_IOR('G', 57, struct grf_bitblt)
218 
219