The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/vgareg.h

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    1 /*-
    2  * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer as
   10  *    the first lines of this file unmodified.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/5.0/sys/dev/fb/vgareg.h 83366 2001-09-12 08:38:13Z julian $
   27  */
   28 
   29 #ifndef _DEV_FB_VGAREG_H_
   30 #define _DEV_FB_VGAREG_H_
   31 
   32 /* physical addresses */
   33 #define MDA_BUF_BASE            0xb0000
   34 #define MDA_BUF_SIZE            0x08000
   35 #define MDA_BUF                 BIOS_PADDRTOVADDR(MDA_BUF_BASE)
   36 #define CGA_BUF_BASE            0xb8000
   37 #define CGA_BUF_SIZE            0x08000
   38 #define CGA_BUF                 BIOS_PADDRTOVADDR(CGA_BUF_BASE)
   39 #define EGA_BUF_BASE            0xa0000
   40 #define EGA_BUF_SIZE            0x20000
   41 #define EGA_BUF                 BIOS_PADDRTOVADDR(EGA_BUF_BASE)
   42 #define GRAPHICS_BUF_BASE       0xa0000
   43 #define GRAPHICS_BUF_SIZE       0x10000
   44 #define GRAPHICS_BUF            BIOS_PADDRTOVADDR(GRAPHICS_BUF_BASE)
   45 #define FONT_BUF                BIOS_PADDRTOVADDR(GRAPHICS_BUF_BASE)
   46 #define VIDEO_BUF_BASE          0xa0000
   47 #define VIDEO_BUF_SIZE          0x20000
   48 
   49 /* I/O port addresses */
   50 #define MONO_CRTC       (IO_MDA + 0x04)         /* crt controller base mono */
   51 #define COLOR_CRTC      (IO_CGA + 0x04)         /* crt controller base color */
   52 #define MISC            (IO_VGA + 0x02)         /* misc output register */
   53 #define ATC             (IO_VGA + 0x00)         /* attribute controller */
   54 #define TSIDX           (IO_VGA + 0x04)         /* timing sequencer idx */
   55 #define TSREG           (IO_VGA + 0x05)         /* timing sequencer data */
   56 #define PIXMASK         (IO_VGA + 0x06)         /* pixel write mask */
   57 #define PALRADR         (IO_VGA + 0x07)         /* palette read address */
   58 #define PALWADR         (IO_VGA + 0x08)         /* palette write address */
   59 #define PALDATA         (IO_VGA + 0x09)         /* palette data register */
   60 #define GDCIDX          (IO_VGA + 0x0E)         /* graph data controller idx */
   61 #define GDCREG          (IO_VGA + 0x0F)         /* graph data controller data */
   62 
   63 #define VGA_DRIVER_NAME         "vga"
   64 #define VGA_UNIT(dev)           minor(dev)
   65 #define VGA_MKMINOR(unit)       (unit)
   66 
   67 #ifdef _KERNEL
   68 
   69 struct video_adapter;
   70 typedef struct vga_softc {
   71         struct video_adapter    *adp;
   72 #ifdef FB_INSTALL_CDEV
   73         genfb_softc_t           gensc;
   74 #endif
   75 } vga_softc_t;
   76 
   77 int             vga_probe_unit(int unit, struct video_adapter *adp, int flags);
   78 int             vga_attach_unit(int unit, vga_softc_t *sc, int flags);
   79 
   80 #ifdef FB_INSTALL_CDEV
   81 int             vga_open(dev_t dev, vga_softc_t *sc, int flag, int mode,
   82                          struct thread *td);
   83 int             vga_close(dev_t dev, vga_softc_t *sc, int flag, int mode,
   84                           struct thread *td);
   85 int             vga_read(dev_t dev, vga_softc_t *sc, struct uio *uio, int flag);
   86 int             vga_write(dev_t dev, vga_softc_t *sc, struct uio *uio, int flag);
   87 int             vga_ioctl(dev_t dev, vga_softc_t *sc, u_long cmd, caddr_t arg,
   88                           int flag, struct thread *td);
   89 int             vga_mmap(dev_t dev, vga_softc_t *sc, vm_offset_t offset,
   90                          int prot);
   91 #endif
   92 
   93 extern int      (*vga_sub_configure)(int flags);
   94 
   95 #endif /* _KERNEL */
   96 
   97 #endif /* _DEV_FB_VGAREG_H_ */

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