1 /* 2 * Copyright (c) 1992 Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software developed by the Computer Systems 6 * Engineering group at Lawrence Berkeley Laboratory under DARPA 7 * contract BG 91-66 and contributed to Berkeley. 8 * 9 * %sccs.include.redist.c% 10 * 11 * @(#)fbio.h 7.2 (Berkeley) 04/01/92 12 * 13 * from: $Header: fbio.h,v 1.3 91/12/13 22:16:32 torek Exp $ (LBL) 14 */ 15 16 /* 17 * Frame buffer ioctls (from Sprite, trimmed to essentials for X11). 18 */ 19 20 /* 21 * Frame buffer type codes. 22 */ 23 #define FBTYPE_SUN1BW 0 /* multibus mono */ 24 #define FBTYPE_SUN1COLOR 1 /* multibus color */ 25 #define FBTYPE_SUN2BW 2 /* memory mono */ 26 #define FBTYPE_SUN2COLOR 3 /* color w/rasterop chips */ 27 #define FBTYPE_SUN2GP 4 /* GP1/GP2 */ 28 #define FBTYPE_SUN5COLOR 5 /* RoadRunner accelerator */ 29 #define FBTYPE_SUN3COLOR 6 /* memory color */ 30 #define FBTYPE_MEMCOLOR 7 /* memory 24-bit */ 31 #define FBTYPE_SUN4COLOR 8 /* memory color w/overlay */ 32 33 #define FBTYPE_NOTSUN1 9 /* reserved for customer */ 34 #define FBTYPE_NOTSUN2 10 /* reserved for customer */ 35 #define FBTYPE_NOTSUN3 11 /* reserved for customer */ 36 37 #define FBTYPE_SUNFAST_COLOR 12 /* accelerated 8bit */ 38 #define FBTYPE_SUNROP_COLOR 13 /* MEMCOLOR with rop h/w */ 39 #define FBTYPE_SUNFB_VIDEO 14 /* Simple video mixing */ 40 #define FBTYPE_RESERVED5 15 /* reserved, do not use */ 41 #define FBTYPE_RESERVED4 16 /* reserved, do not use */ 42 #define FBTYPE_RESERVED3 17 /* reserved, do not use */ 43 #define FBTYPE_RESERVED2 18 /* reserved, do not use */ 44 #define FBTYPE_RESERVED1 19 /* reserved, do not use */ 45 46 #define FBTYPE_LASTPLUSONE 20 /* max number of fbs (change as add) */ 47 48 /* 49 * Frame buffer descriptor as returned by FBIOGTYPE. 50 */ 51 struct fbtype { 52 int fb_type; /* as defined above */ 53 int fb_height; /* in pixels */ 54 int fb_width; /* in pixels */ 55 int fb_depth; /* bits per pixel */ 56 int fb_cmsize; /* size of color map (entries) */ 57 int fb_size; /* total size in bytes */ 58 }; 59 #define FBIOGTYPE _IOR('F', 0, struct fbtype) 60 61 #ifdef notdef 62 /* 63 * General purpose structure for passing info in and out of frame buffers 64 * (used for gp1) -- unsupported. 65 */ 66 struct fbinfo { 67 int fb_physaddr; /* physical frame buffer address */ 68 int fb_hwwidth; /* fb board width */ 69 int fb_hwheight; /* fb board height */ 70 int fb_addrdelta; /* phys addr diff between boards */ 71 u_char *fb_ropaddr; /* fb virtual addr */ 72 int fb_unit; /* minor devnum of fb */ 73 }; 74 #define FBIOGINFO _IOR('F', 2, struct fbinfo) 75 #endif 76 77 /* 78 * Color map I/O. 79 */ 80 struct fbcmap { 81 int index; /* first element (0 origin) */ 82 int count; /* number of elements */ 83 u_char *red; /* red color map elements */ 84 u_char *green; /* green color map elements */ 85 u_char *blue; /* blue color map elements */ 86 }; 87 #define FBIOPUTCMAP _IOW('F', 3, struct fbcmap) 88 #define FBIOGETCMAP _IOW('F', 4, struct fbcmap) 89 90 /* 91 * Set/get attributes. 92 */ 93 #define FB_ATTR_NDEVSPECIFIC 8 /* no. of device specific values */ 94 #define FB_ATTR_NEMUTYPES 4 /* no. of emulation types */ 95 96 struct fbsattr { 97 int flags; /* flags; see below */ 98 int emu_type; /* emulation type (-1 if unused) */ 99 int dev_specific[FB_ATTR_NDEVSPECIFIC]; /* catchall */ 100 }; 101 #define FB_ATTR_AUTOINIT 1 /* emulation auto init flag */ 102 #define FB_ATTR_DEVSPECIFIC 2 /* dev. specific stuff valid flag */ 103 104 struct fbgattr { 105 int real_type; /* real device type */ 106 int owner; /* PID of owner, 0 if myself */ 107 struct fbtype fbtype; /* fbtype info for real device */ 108 struct fbsattr sattr; /* see above */ 109 int emu_types[FB_ATTR_NEMUTYPES]; /* possible emulations */ 110 /* (-1 if unused) */ 111 }; 112 /* FBIOSATTR _IOW('F', 5, struct fbsattr) -- unsupported */ 113 #define FBIOGATTR _IOR('F', 6, struct fbgattr) 114 115 /* 116 * Video control. 117 */ 118 #define FBVIDEO_OFF 0 119 #define FBVIDEO_ON 1 120 121 #define FBIOSVIDEO _IOW('F', 7, int) 122 #define FBIOGVIDEO _IOR('F', 8, int) 123