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Annotation of Net2/arch/amiga/dev/grfioctl.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 University of Utah.
        !             3:  * Copyright (c) 1990 The Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * This code is derived from software contributed to Berkeley by
        !             7:  * the Systems Programming Group of the University of Utah Computer
        !             8:  * Science Department.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *     This product includes software developed by the University of
        !            21:  *     California, Berkeley and its contributors.
        !            22:  * 4. Neither the name of the University nor the names of its contributors
        !            23:  *    may be used to endorse or promote products derived from this software
        !            24:  *    without specific prior written permission.
        !            25:  *
        !            26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            36:  * SUCH DAMAGE.
        !            37:  *
        !            38:  * from: Utah $Hdr: grfioctl.h 1.1 90/07/09$
        !            39:  *
        !            40:  *     @(#)grfioctl.h  7.2 (Berkeley) 11/4/90
        !            41:  */
        !            42: 
        !            43: 
        !            44: /* these are changeable values, encapsulated in their own structure, so
        !            45:    no the whole thing has to be copied when setting parameters. */
        !            46: struct grfdyninfo {
        !            47:        int     gdi_fbx;                        /* frame buffer x offset */
        !            48:        int     gdi_fby;                        /* frame buffer y offset */
        !            49:        int     gdi_dwidth;             /* displayed part width */
        !            50:        int     gdi_dheight;            /* displayed part height */
        !            51:        int     gdi_dx;                 /* displayed part x offset */
        !            52:        int     gdi_dy;                 /* displayed part y offset */ 
        !            53: };
        !            54: 
        !            55: struct grfinfo {
        !            56:        caddr_t gd_regaddr;             /* control registers physaddr */
        !            57:        int     gd_regsize;             /* control registers size */
        !            58:        caddr_t gd_fbaddr;              /* frame buffer physaddr */
        !            59:        int     gd_fbsize;              /* frame buffer size */
        !            60:        short   gd_colors;              /* number of colors */
        !            61:        short   gd_planes;              /* number of planes */
        !            62: 
        !            63:        int     gd_fbwidth;             /* frame buffer width */
        !            64:        int     gd_fbheight;            /* frame buffer height */
        !            65: 
        !            66:        struct grfdyninfo gd_dyn;       /* everything changable by GRFIOCSINFO */
        !            67: /* compatibility... */
        !            68: #define gd_fbx         gd_dyn.gdi_fbx
        !            69: #define gd_fby         gd_dyn.gdi_fby
        !            70: #define gd_dwidth      gd_dyn.gdi_dwidth
        !            71: #define gd_dheight     gd_dyn.gdi_dheight
        !            72: #define gd_dx          gd_dyn.gdi_dx
        !            73: #define gd_dy          gd_dyn.gdi_dy
        !            74: };
        !            75: 
        !            76: /*
        !            77:  * BSD ioctls
        !            78:  */
        !            79: #define        GRFIOCGINFO     _IOR('G', 0, struct grfinfo) /* get info on device */
        !            80: #define        GRFIOCON        _IO('G', 1)             /* turn graphics on */
        !            81: #define        GRFIOCOFF       _IO('G', 2)             /* turn graphics off */
        !            82: #define GRFIOCMAP      _IOWR('G', 5, int)      /* map in regs+framebuffer */
        !            83: #define GRFIOCUNMAP    _IOW('G', 6, int)       /* unmap regs+framebuffer */
        !            84: #define        GRFIOCSINFO     _IOW('G', 7, struct grfdyninfo) /* set info on device */

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