FreeBSD/Linux Kernel Cross Reference
sys/sys/fbio.h

     /*
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * This code is derived from software developed by the Computer Systems
      * Engineering group at Lawrence Berkeley Laboratory under DARPA
      * contract BG 91-66 and contributed to Berkeley.
      *
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)fbio.h      8.2 (Berkeley) 10/30/93
     *
     * $FreeBSD: releng/5.2/sys/sys/fbio.h 116545 2003-06-18 17:49:52Z jake $
     */
    
    #ifndef _SYS_FBIO_H_
    #define _SYS_FBIO_H_
    
    #ifndef _KERNEL
    #include <sys/types.h>
    #endif
    #include <sys/ioccom.h>
    
    /*
     * Frame buffer ioctls (from Sprite, trimmed to essentials for X11).
     */
    
    /*
     * Frame buffer type codes.
     */
    #define FBTYPE_SUN1BW           0       /* multibus mono */
    #define FBTYPE_SUN1COLOR        1       /* multibus color */
    #define FBTYPE_SUN2BW           2       /* memory mono */
    #define FBTYPE_SUN2COLOR        3       /* color w/rasterop chips */
    #define FBTYPE_SUN2GP           4       /* GP1/GP2 */
    #define FBTYPE_SUN5COLOR        5       /* RoadRunner accelerator */
    #define FBTYPE_SUN3COLOR        6       /* memory color */
    #define FBTYPE_MEMCOLOR         7       /* memory 24-bit */
    #define FBTYPE_SUN4COLOR        8       /* memory color w/overlay */
    
    #define FBTYPE_NOTSUN1          9       /* reserved for customer */
    #define FBTYPE_NOTSUN2          10      /* reserved for customer */
    #define FBTYPE_NOTSUN3          11      /* reserved for customer */
    
    #define FBTYPE_SUNFAST_COLOR    12      /* accelerated 8bit */
    #define FBTYPE_SUNROP_COLOR     13      /* MEMCOLOR with rop h/w */
    #define FBTYPE_SUNFB_VIDEO      14      /* Simple video mixing */
    #define FBTYPE_RESERVED5        15      /* reserved, do not use */
    #define FBTYPE_RESERVED4        16      /* reserved, do not use */
    #define FBTYPE_SUNGP3           17
    #define FBTYPE_SUNGT            18
    #define FBTYPE_SUNLEO           19      /* zx Leo */
    
    #define FBTYPE_MDA              20
    #define FBTYPE_HERCULES         21
    #define FBTYPE_CGA              22
    #define FBTYPE_EGA              23
    #define FBTYPE_VGA              24
    #define FBTYPE_PC98             25
    #define FBTYPE_TGA              26
    #define FBTYPE_TGA2             27
    
    #define FBTYPE_MDICOLOR         28      /* cg14 */
    #define FBTYPE_TCXCOLOR         29      /* SUNW,tcx */
    #define FBTYPE_CREATOR          30
    
    #define FBTYPE_LASTPLUSONE      31      /* max number of fbs (change as add) */
    
    /*
     * Frame buffer descriptor as returned by FBIOGTYPE.
     */
    struct fbtype {
            int     fb_type;        /* as defined above */
           int     fb_height;      /* in pixels */
           int     fb_width;       /* in pixels */
           int     fb_depth;       /* bits per pixel */
           int     fb_cmsize;      /* size of color map (entries) */
           int     fb_size;        /* total size in bytes */
   };
   #define FBIOGTYPE       _IOR('F', 0, struct fbtype)
   
   #ifdef notdef
   /*
    * General purpose structure for passing info in and out of frame buffers
    * (used for gp1) -- unsupported.
    */
   struct fbinfo {
           int     fb_physaddr;    /* physical frame buffer address */
           int     fb_hwwidth;     /* fb board width */
           int     fb_hwheight;    /* fb board height */
           int     fb_addrdelta;   /* phys addr diff between boards */
           u_char  *fb_ropaddr;    /* fb virtual addr */
           int     fb_unit;        /* minor devnum of fb */
   };
   #define FBIOGINFO       _IOR('F', 2, struct fbinfo)
   #endif
   
   /*
    * Color map I/O.
    */
   struct fbcmap {
           int     index;          /* first element (0 origin) */
           int     count;          /* number of elements */
           u_char  *red;           /* red color map elements */
           u_char  *green;         /* green color map elements */
           u_char  *blue;          /* blue color map elements */
   };
   #define FBIOPUTCMAP     _IOW('F', 3, struct fbcmap)
   #define FBIOGETCMAP     _IOW('F', 4, struct fbcmap)
   
   /*
    * Set/get attributes.
    */
   #define FB_ATTR_NDEVSPECIFIC    8       /* no. of device specific values */
   #define FB_ATTR_NEMUTYPES       4       /* no. of emulation types */
   
   struct fbsattr {
           int     flags;                  /* flags; see below */
           int     emu_type;               /* emulation type (-1 if unused) */
           int     dev_specific[FB_ATTR_NDEVSPECIFIC];     /* catchall */
   };
   #define FB_ATTR_AUTOINIT        1       /* emulation auto init flag */
   #define FB_ATTR_DEVSPECIFIC     2       /* dev. specific stuff valid flag */
   
   struct fbgattr {
           int     real_type;              /* real device type */
           int     owner;                  /* PID of owner, 0 if myself */
           struct  fbtype fbtype;          /* fbtype info for real device */
           struct  fbsattr sattr;          /* see above */
           int     emu_types[FB_ATTR_NEMUTYPES];   /* possible emulations */
                                                   /* (-1 if unused) */
   };
   #define FBIOSATTR       _IOW('F', 5, struct fbsattr)
   #define FBIOGATTR       _IOR('F', 6, struct fbgattr)
   
   /*
    * Video control.
    */
   #define FBVIDEO_OFF             0
   #define FBVIDEO_ON              1
   
   #define FBIOSVIDEO      _IOW('F', 7, int)
   #define FBIOGVIDEO      _IOR('F', 8, int)
   
   /* vertical retrace */
   #define FBIOVERTICAL    _IO('F', 9)
   
   /*
    * Hardware cursor control (for, e.g., CG6).  A rather complex and icky
    * interface that smells like VMS, but there it is....
    */
   struct fbcurpos {
           short   x;
           short   y;
   };
   
   struct fbcursor {
           short   set;            /* flags; see below */
           short   enable;         /* nonzero => cursor on, 0 => cursor off */
           struct  fbcurpos pos;   /* position on display */
           struct  fbcurpos hot;   /* hot-spot within cursor */
           struct  fbcmap cmap;    /* cursor color map */
           struct  fbcurpos size;  /* number of valid bits in image & mask */
           caddr_t image;          /* cursor image bits */
           caddr_t mask;           /* cursor mask bits */
   };
   #define FB_CUR_SETCUR   0x01    /* set on/off (i.e., obey fbcursor.enable) */
   #define FB_CUR_SETPOS   0x02    /* set position */
   #define FB_CUR_SETHOT   0x04    /* set hot-spot */
   #define FB_CUR_SETCMAP  0x08    /* set cursor color map */
   #define FB_CUR_SETSHAPE 0x10    /* set size & bits */
   #define FB_CUR_SETALL   (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT | \
                            FB_CUR_SETCMAP | FB_CUR_SETSHAPE)
   
   /* controls for cursor attributes & shape (including position) */
   #define FBIOSCURSOR     _IOW('F', 24, struct fbcursor)
   #define FBIOGCURSOR     _IOWR('F', 25, struct fbcursor)
   
   /* controls for cursor position only */
   #define FBIOSCURPOS     _IOW('F', 26, struct fbcurpos)
   #define FBIOGCURPOS     _IOW('F', 27, struct fbcurpos)
   
   /* get maximum cursor size */
   #define FBIOGCURMAX     _IOR('F', 28, struct fbcurpos)
   
   /*
    * Video board information
    */
   struct brd_info {
           u_short         accessible_width; /* accessible bytes in scanline */
           u_short         accessible_height; /* number of accessible scanlines */
           u_short         line_bytes;     /* number of bytes/scanline */
           u_short         hdb_capable;    /* can this thing hardware db? */
           u_short         vmsize;         /* video memory size */
           u_char          boardrev;       /* board revision # */
           u_char          pad0;
           u_long          pad1;
   };
   #define FBIOGXINFO      _IOR('F', 39, struct brd_info)
   
   /*
    * Monitor information
    */
   struct mon_info {
           u_long          mon_type;       /* bit array */
   #define MON_TYPE_STEREO         0x8     /* stereo display */
   #define MON_TYPE_0_OFFSET       0x4     /* black level 0 ire instead of 7.5 */
   #define MON_TYPE_OVERSCAN       0x2     /* overscan */
   #define MON_TYPE_GRAY           0x1     /* greyscale monitor */
           u_long          pixfreq;        /* pixel frequency in Hz */
           u_long          hfreq;          /* horizontal freq in Hz */
           u_long          vfreq;          /* vertical freq in Hz */
           u_long          vsync;          /* vertical sync in scanlines */
           u_long          hsync;          /* horizontal sync in pixels */
           /* these are in pixel units */
           u_short         hfporch;        /* horizontal front porch */
           u_short         hbporch;        /* horizontal back porch */
           u_short         vfporch;        /* vertical front porch */
           u_short         vbporch;        /* vertical back porch */
   };
   #define FBIOMONINFO     _IOR('F', 40, struct mon_info)
   
   /*
    * Color map I/O.
    */
   struct fbcmap_i {
           unsigned int    flags;
   #define FB_CMAP_BLOCK   (1 << 0)        /* wait for vertical refresh */
   #define FB_CMAP_KERNEL  (1 << 1)        /* called within kernel */
           int             id;             /* color map id */
           int             index;          /* first element (0 origin) */
           int             count;          /* number of elements */
           u_char          *red;           /* red color map elements */
           u_char          *green;         /* green color map elements */
           u_char          *blue;          /* blue color map elements */
   };
   #define FBIOPUTCMAPI    _IOW('F', 41, struct fbcmap_i)
   #define FBIOGETCMAPI    _IOW('F', 42, struct fbcmap_i)
   
   /* The new style frame buffer ioctls. */
   
   /* video mode information block */
   struct video_info {
       int                 vi_mode;        /* mode number, see below */
       int                 vi_flags;
   #define V_INFO_COLOR    (1 << 0)
   #define V_INFO_GRAPHICS (1 << 1)
   #define V_INFO_LINEAR   (1 << 2)
   #define V_INFO_VESA     (1 << 3)
       int                 vi_width;
       int                 vi_height;
       int                 vi_cwidth;
       int                 vi_cheight;
       int                 vi_depth;
       int                 vi_planes;
       vm_offset_t         vi_window;      /* physical address */
       size_t              vi_window_size;
       size_t              vi_window_gran;
       vm_offset_t         vi_buffer;      /* physical address */
       size_t              vi_buffer_size;
       int                 vi_mem_model;
   #define V_INFO_MM_OTHER  (-1)
   #define V_INFO_MM_TEXT   0
   #define V_INFO_MM_PLANAR 1
   #define V_INFO_MM_PACKED 2
   #define V_INFO_MM_DIRECT 3
   #define V_INFO_MM_CGA    100
   #define V_INFO_MM_HGC    101
   #define V_INFO_MM_VGAX   102
       /* for MM_PACKED and MM_DIRECT only */
       int                 vi_pixel_size;  /* in bytes */
       /* for MM_DIRECT only */
       int                 vi_pixel_fields[4];     /* RGB and reserved fields */
       int                 vi_pixel_fsizes[4];
       /* reserved */
       u_char              vi_reserved[64];
       vm_offset_t         vi_registers;   /* physical address */
       vm_offset_t         vi_registers_size;
   };
   typedef struct video_info video_info_t;
   
   /* adapter infromation block */
   struct video_adapter {
       int                 va_index;
       int                 va_type;
   #define KD_OTHER        0               /* unknown */
   #define KD_MONO         1               /* monochrome adapter */
   #define KD_HERCULES     2               /* hercules adapter */
   #define KD_CGA          3               /* color graphics adapter */
   #define KD_EGA          4               /* enhanced graphics adapter */
   #define KD_VGA          5               /* video graphics adapter */
   #define KD_PC98         6               /* PC-98 display */
   #define KD_TGA          7               /* TGA */
   #define KD_TGA2         8               /* TGA2 */
       char                *va_name;
       int                 va_unit;
       int                 va_minor;
       int                 va_flags;
   #define V_ADP_COLOR     (1 << 0)
   #define V_ADP_MODECHANGE (1 << 1)
   #define V_ADP_STATESAVE (1 << 2)
   #define V_ADP_STATELOAD (1 << 3)
   #define V_ADP_FONT      (1 << 4)
   #define V_ADP_PALETTE   (1 << 5)
   #define V_ADP_BORDER    (1 << 6)
   #define V_ADP_VESA      (1 << 7)
   #define V_ADP_BOOTDISPLAY (1 << 8)
   #define V_ADP_PROBED    (1 << 16)
   #define V_ADP_INITIALIZED (1 << 17)
   #define V_ADP_REGISTERED (1 << 18)
   #define V_ADP_ATTACHED  (1 << 19)
       vm_offset_t         va_io_base;
       int                 va_io_size;
       vm_offset_t         va_crtc_addr;
       vm_offset_t         va_mem_base;
       int                 va_mem_size;
       vm_offset_t         va_window;      /* virtual address */
       size_t              va_window_size;
       size_t              va_window_gran;
       u_int               va_window_orig;
       vm_offset_t         va_buffer;      /* virtual address */
       size_t              va_buffer_size;
       int                 va_initial_mode;
       int                 va_initial_bios_mode;
       int                 va_mode;
       struct video_info   va_info;
       int                 va_line_width;
       struct {
           int             x;
           int             y;
       }                   va_disp_start;
       void                *va_token;
       int                 va_model;
       int                 va_little_bitian;
       int                 va_little_endian;
       int                 va_buffer_alias;
       vm_offset_t         va_registers;   /* virtual address */
       vm_offset_t         va_registers_size;
   };
   typedef struct video_adapter video_adapter_t;
   
   struct video_adapter_info {
       int                 va_index;
       int                 va_type;
       char                va_name[16];
       int                 va_unit;
       int                 va_flags;
       vm_offset_t         va_io_base;
       int                 va_io_size;
       vm_offset_t         va_crtc_addr;
       vm_offset_t         va_mem_base;
       int                 va_mem_size;
       vm_offset_t         va_window;      /* virtual address */
       size_t              va_window_size;
       size_t              va_window_gran;
       vm_offset_t         va_unused0;
       size_t              va_buffer_size;
       int                 va_initial_mode;
       int                 va_initial_bios_mode;
       int                 va_mode;
       int                 va_line_width;
       struct {
           int             x;
           int             y;
       }                   va_disp_start;
       u_int               va_window_orig;
       /* reserved */
       u_char              va_reserved[64];
   };
   typedef struct video_adapter_info video_adapter_info_t;
   
   /* some useful video adapter index */
   #define V_ADP_PRIMARY   0
   #define V_ADP_SECONDARY 1
   
   /* video mode numbers */
   
   #define M_B40x25        0       /* black & white 40 columns */
   #define M_C40x25        1       /* color 40 columns */
   #define M_B80x25        2       /* black & white 80 columns */
   #define M_C80x25        3       /* color 80 columns */
   #define M_BG320         4       /* black & white graphics 320x200 */
   #define M_CG320         5       /* color graphics 320x200 */
   #define M_BG640         6       /* black & white graphics 640x200 hi-res */
   #define M_EGAMONO80x25  7       /* ega-mono 80x25 */
   #define M_CG320_D       13      /* ega mode D */
   #define M_CG640_E       14      /* ega mode E */
   #define M_EGAMONOAPA    15      /* ega mode F */
   #define M_CG640x350     16      /* ega mode 10 */
   #define M_ENHMONOAPA2   17      /* ega mode F with extended memory */
   #define M_ENH_CG640     18      /* ega mode 10* */
   #define M_ENH_B40x25    19      /* ega enhanced black & white 40 columns */
   #define M_ENH_C40x25    20      /* ega enhanced color 40 columns */
   #define M_ENH_B80x25    21      /* ega enhanced black & white 80 columns */
   #define M_ENH_C80x25    22      /* ega enhanced color 80 columns */
   #define M_VGA_C40x25    23      /* vga 8x16 font on color */
   #define M_VGA_C80x25    24      /* vga 8x16 font on color */
   #define M_VGA_M80x25    25      /* vga 8x16 font on mono */
   
   #define M_VGA11         26      /* vga 640x480 2 colors */
   #define M_BG640x480     26
   #define M_VGA12         27      /* vga 640x480 16 colors */
   #define M_CG640x480     27
   #define M_VGA13         28      /* vga 320x200 256 colors */
   #define M_VGA_CG320     28
   
   #define M_VGA_C80x50    30      /* vga 8x8 font on color */
   #define M_VGA_M80x50    31      /* vga 8x8 font on color */
   #define M_VGA_C80x30    32      /* vga 8x16 font on color */
   #define M_VGA_M80x30    33      /* vga 8x16 font on color */
   #define M_VGA_C80x60    34      /* vga 8x8 font on color */
   #define M_VGA_M80x60    35      /* vga 8x8 font on color */
   #define M_VGA_CG640     36      /* vga 640x400 256 color */
   #define M_VGA_MODEX     37      /* vga 320x240 256 color */
   
   #define M_VGA_C90x25    40      /* vga 8x16 font on color */
   #define M_VGA_M90x25    41      /* vga 8x16 font on mono */
   #define M_VGA_C90x30    42      /* vga 8x16 font on color */
   #define M_VGA_M90x30    43      /* vga 8x16 font on mono */
   #define M_VGA_C90x43    44      /* vga 8x8 font on color */
   #define M_VGA_M90x43    45      /* vga 8x8 font on mono */
   #define M_VGA_C90x50    46      /* vga 8x8 font on color */
   #define M_VGA_M90x50    47      /* vga 8x8 font on mono */
   #define M_VGA_C90x60    48      /* vga 8x8 font on color */
   #define M_VGA_M90x60    49      /* vga 8x8 font on mono */
   
   #define M_ENH_B80x43    0x70    /* ega black & white 80x43 */
   #define M_ENH_C80x43    0x71    /* ega color 80x43 */
   
   #define M_PC98_80x25            98      /* PC98 text 80x25 */
   #define M_PC98_80x30            99      /* PC98 text 80x30 */
   #define M_PC98_EGC640x400       100     /* PC98 graphic 640x400 16 colors */
   #define M_PC98_PEGC640x400      101     /* PC98 graphic 640x400 256 colors */
   #define M_PC98_PEGC640x480      102     /* PC98 graphic 640x480 256 colors */
   
   #define M_HGC_P0        0xe0    /* hercules graphics - page 0 @ B0000 */
   #define M_HGC_P1        0xe1    /* hercules graphics - page 1 @ B8000 */
   #define M_MCA_MODE      0xff    /* monochrome adapter mode */
   
   #define M_TEXT_80x25    200     /* generic text modes */
   #define M_TEXT_80x30    201
   #define M_TEXT_80x43    202
   #define M_TEXT_80x50    203
   #define M_TEXT_80x60    204
   #define M_TEXT_132x25   205
   #define M_TEXT_132x30   206
   #define M_TEXT_132x43   207
   #define M_TEXT_132x50   208
   #define M_TEXT_132x60   209
   
   #define M_VESA_BASE             0x100   /* VESA mode number base */
   #define M_VESA_CG640x400        0x100   /* 640x400, 256 color */
   #define M_VESA_CG640x480        0x101   /* 640x480, 256 color */
   #define M_VESA_800x600          0x102   /* 800x600, 16 color */
   #define M_VESA_CG800x600        0x103   /* 800x600, 256 color */
   #define M_VESA_1024x768         0x104   /* 1024x768, 16 color */
   #define M_VESA_CG1024x768       0x105   /* 1024x768, 256 color */
   #define M_VESA_1280x1024        0x106   /* 1280x1024, 16 color */
   #define M_VESA_CG1280x1024      0x107   /* 1280x1024, 256 color */
   #define M_VESA_C80x60           0x108   /* 8x8 font */
   #define M_VESA_C132x25          0x109   /* 8x16 font */
   #define M_VESA_C132x43          0x10a   /* 8x14 font */
   #define M_VESA_C132x50          0x10b   /* 8x8 font */
   #define M_VESA_C132x60          0x10c   /* 8x8 font */
   #define M_VESA_32K_320          0x10d   /* 320x200, 5:5:5 */
   #define M_VESA_64K_320          0x10e   /* 320x200, 5:6:5 */
   #define M_VESA_FULL_320         0x10f   /* 320x200, 8:8:8 */
   #define M_VESA_32K_640          0x110   /* 640x480, 5:5:5 */
   #define M_VESA_64K_640          0x111   /* 640x480, 5:6:5 */
   #define M_VESA_FULL_640         0x112   /* 640x480, 8:8:8 */
   #define M_VESA_32K_800          0x113   /* 800x600, 5:5:5 */
   #define M_VESA_64K_800          0x114   /* 800x600, 5:6:5 */
   #define M_VESA_FULL_800         0x115   /* 800x600, 8:8:8 */
   #define M_VESA_32K_1024         0x116   /* 1024x768, 5:5:5 */
   #define M_VESA_64K_1024         0x117   /* 1024x768, 5:6:5 */
   #define M_VESA_FULL_1024        0x118   /* 1024x768, 8:8:8 */
   #define M_VESA_32K_1280         0x119   /* 1280x1024, 5:5:5 */
   #define M_VESA_64K_1280         0x11a   /* 1280x1024, 5:6:5 */
   #define M_VESA_FULL_1280        0x11b   /* 1280x1024, 8:8:8 */
   #define M_VESA_MODE_MAX         0x1ff
   
   struct video_display_start {
           int             x;
           int             y;
   };
   typedef struct video_display_start video_display_start_t;
   
   struct video_color_palette {
           int             index;          /* first element (zero-based) */
           int             count;          /* number of elements */
           u_char          *red;           /* red */
           u_char          *green;         /* green */
           u_char          *blue;          /* blue */
           u_char          *transparent;   /* may be NULL */
   };
   typedef struct video_color_palette video_color_palette_t;
   
   /* adapter info. */
   #define FBIO_ADAPTER    _IOR('F', 100, int)
   #define FBIO_ADPTYPE    _IOR('F', 101, int)
   #define FBIO_ADPINFO    _IOR('F', 102, struct video_adapter_info)
   
   /* video mode control */
   #define FBIO_MODEINFO   _IOWR('F', 103, struct video_info)
   #define FBIO_FINDMODE   _IOWR('F', 104, struct video_info)
   #define FBIO_GETMODE    _IOR('F', 105, int)
   #define FBIO_SETMODE    _IOW('F', 106, int)
   
   /* get/set frame buffer window origin */
   #define FBIO_GETWINORG  _IOR('F', 107, u_int)
   #define FBIO_SETWINORG  _IOW('F', 108, u_int)
   
   /* get/set display start address */
   #define FBIO_GETDISPSTART       _IOR('F', 109, video_display_start_t) 
   #define FBIO_SETDISPSTART       _IOW('F', 110, video_display_start_t)
   
   /* get/set scan line width */
   #define FBIO_GETLINEWIDTH       _IOR('F', 111, u_int) 
   #define FBIO_SETLINEWIDTH       _IOW('F', 112, u_int)
   
   /* color palette control */
   #define FBIO_GETPALETTE _IOW('F', 113, video_color_palette_t)
   #define FBIO_SETPALETTE _IOW('F', 114, video_color_palette_t)
   
   /* blank display */
   #define V_DISPLAY_ON            0
   #define V_DISPLAY_BLANK         1
   #define V_DISPLAY_STAND_BY      2
   #define V_DISPLAY_SUSPEND       3
   
   #define FBIO_BLANK      _IOW('F', 115, int)
   
   #endif /* !_SYS_FBIO_H_ */

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