The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/sys/fbio.h

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    1 /*
    2  * Copyright (c) 1992, 1993
    3  *      The Regents of the University of California.  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  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. All advertising materials mentioning features or use of this software
   18  *    must display the following acknowledgement:
   19  *      This product includes software developed by the University of
   20  *      California, Berkeley and its contributors.
   21  * 4. Neither the name of the University nor the names of its contributors
   22  *    may be used to endorse or promote products derived from this software
   23  *    without specific prior written permission.
   24  *
   25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   35  * SUCH DAMAGE.
   36  *
   37  *      @(#)fbio.h      8.2 (Berkeley) 10/30/93
   38  *
   39  * $FreeBSD: src/sys/sys/fbio.h,v 1.5.4.1 1999/08/29 16:32:21 peter Exp $
   40  */
   41 
   42 #ifndef _SYS_FBIO_H_
   43 #define _SYS_FBIO_H_
   44 
   45 /*
   46  * Frame buffer ioctls (from Sprite, trimmed to essentials for X11).
   47  */
   48 
   49 /*
   50  * Frame buffer type codes.
   51  */
   52 #define FBTYPE_SUN1BW           0       /* multibus mono */
   53 #define FBTYPE_SUN1COLOR        1       /* multibus color */
   54 #define FBTYPE_SUN2BW           2       /* memory mono */
   55 #define FBTYPE_SUN2COLOR        3       /* color w/rasterop chips */
   56 #define FBTYPE_SUN2GP           4       /* GP1/GP2 */
   57 #define FBTYPE_SUN5COLOR        5       /* RoadRunner accelerator */
   58 #define FBTYPE_SUN3COLOR        6       /* memory color */
   59 #define FBTYPE_MEMCOLOR         7       /* memory 24-bit */
   60 #define FBTYPE_SUN4COLOR        8       /* memory color w/overlay */
   61 
   62 #define FBTYPE_NOTSUN1          9       /* reserved for customer */
   63 #define FBTYPE_NOTSUN2          10      /* reserved for customer */
   64 #define FBTYPE_NOTSUN3          11      /* reserved for customer */
   65 
   66 #define FBTYPE_SUNFAST_COLOR    12      /* accelerated 8bit */
   67 #define FBTYPE_SUNROP_COLOR     13      /* MEMCOLOR with rop h/w */
   68 #define FBTYPE_SUNFB_VIDEO      14      /* Simple video mixing */
   69 #define FBTYPE_RESERVED5        15      /* reserved, do not use */
   70 #define FBTYPE_RESERVED4        16      /* reserved, do not use */
   71 #define FBTYPE_RESERVED3        17      /* reserved, do not use */
   72 #define FBTYPE_RESERVED2        18      /* reserved, do not use */
   73 #define FBTYPE_RESERVED1        19      /* reserved, do not use */
   74 
   75 #define FBTYPE_LASTPLUSONE      20      /* max number of fbs (change as add) */
   76 
   77 /*
   78  * Frame buffer descriptor as returned by FBIOGTYPE.
   79  */
   80 struct fbtype {
   81         int     fb_type;        /* as defined above */
   82         int     fb_height;      /* in pixels */
   83         int     fb_width;       /* in pixels */
   84         int     fb_depth;       /* bits per pixel */
   85         int     fb_cmsize;      /* size of color map (entries) */
   86         int     fb_size;        /* total size in bytes */
   87 };
   88 #define FBIOGTYPE       _IOR('F', 0, struct fbtype)
   89 
   90 #ifdef notdef
   91 /*
   92  * General purpose structure for passing info in and out of frame buffers
   93  * (used for gp1) -- unsupported.
   94  */
   95 struct fbinfo {
   96         int     fb_physaddr;    /* physical frame buffer address */
   97         int     fb_hwwidth;     /* fb board width */
   98         int     fb_hwheight;    /* fb board height */
   99         int     fb_addrdelta;   /* phys addr diff between boards */
  100         u_char  *fb_ropaddr;    /* fb virtual addr */
  101         int     fb_unit;        /* minor devnum of fb */
  102 };
  103 #define FBIOGINFO       _IOR('F', 2, struct fbinfo)
  104 #endif
  105 
  106 /*
  107  * Color map I/O.
  108  */
  109 struct fbcmap {
  110         int     index;          /* first element (0 origin) */
  111         int     count;          /* number of elements */
  112         u_char  *red;           /* red color map elements */
  113         u_char  *green;         /* green color map elements */
  114         u_char  *blue;          /* blue color map elements */
  115 };
  116 #define FBIOPUTCMAP     _IOW('F', 3, struct fbcmap)
  117 #define FBIOGETCMAP     _IOW('F', 4, struct fbcmap)
  118 
  119 /*
  120  * Set/get attributes.
  121  */
  122 #define FB_ATTR_NDEVSPECIFIC    8       /* no. of device specific values */
  123 #define FB_ATTR_NEMUTYPES       4       /* no. of emulation types */
  124 
  125 struct fbsattr {
  126         int     flags;                  /* flags; see below */
  127         int     emu_type;               /* emulation type (-1 if unused) */
  128         int     dev_specific[FB_ATTR_NDEVSPECIFIC];     /* catchall */
  129 };
  130 #define FB_ATTR_AUTOINIT        1       /* emulation auto init flag */
  131 #define FB_ATTR_DEVSPECIFIC     2       /* dev. specific stuff valid flag */
  132 
  133 struct fbgattr {
  134         int     real_type;              /* real device type */
  135         int     owner;                  /* PID of owner, 0 if myself */
  136         struct  fbtype fbtype;          /* fbtype info for real device */
  137         struct  fbsattr sattr;          /* see above */
  138         int     emu_types[FB_ATTR_NEMUTYPES];   /* possible emulations */
  139                                                 /* (-1 if unused) */
  140 };
  141 /*      FBIOSATTR       _IOW('F', 5, struct fbsattr) -- unsupported */
  142 #define FBIOGATTR       _IOR('F', 6, struct fbgattr)
  143 
  144 /*
  145  * Video control.
  146  */
  147 #define FBVIDEO_OFF             0
  148 #define FBVIDEO_ON              1
  149 
  150 #define FBIOSVIDEO      _IOW('F', 7, int)
  151 #define FBIOGVIDEO      _IOR('F', 8, int)
  152 
  153 /*
  154  * Hardware cursor control (for, e.g., CG6).  A rather complex and icky
  155  * interface that smells like VMS, but there it is....
  156  */
  157 struct fbcurpos {
  158         short   x;
  159         short   y;
  160 };
  161 
  162 struct fbcursor {
  163         short   set;            /* flags; see below */
  164         short   enable;         /* nonzero => cursor on, 0 => cursor off */
  165         struct  fbcurpos pos;   /* position on display */
  166         struct  fbcurpos hot;   /* hot-spot within cursor */
  167         struct  fbcmap cmap;    /* cursor color map */
  168         struct  fbcurpos size;  /* number of valid bits in image & mask */
  169         caddr_t image;          /* cursor image bits */
  170         caddr_t mask;           /* cursor mask bits */
  171 };
  172 #define FB_CUR_SETCUR   0x01    /* set on/off (i.e., obey fbcursor.enable) */
  173 #define FB_CUR_SETPOS   0x02    /* set position */
  174 #define FB_CUR_SETHOT   0x04    /* set hot-spot */
  175 #define FB_CUR_SETCMAP  0x08    /* set cursor color map */
  176 #define FB_CUR_SETSHAPE 0x10    /* set size & bits */
  177 #define FB_CUR_SETALL   (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT | \
  178                          FB_CUR_SETCMAP | FB_CUR_SETSHAPE)
  179 
  180 /* controls for cursor attributes & shape (including position) */
  181 #define FBIOSCURSOR     _IOW('F', 24, struct fbcursor)
  182 #define FBIOGCURSOR     _IOWR('F', 25, struct fbcursor)
  183 
  184 /* controls for cursor position only */
  185 #define FBIOSCURPOS     _IOW('F', 26, struct fbcurpos)
  186 #define FBIOGCURPOS     _IOW('F', 27, struct fbcurpos)
  187 
  188 /* get maximum cursor size */
  189 #define FBIOGCURMAX     _IOR('F', 28, struct fbcurpos)
  190 
  191 #endif

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