sys/dev/video/fb/vgareg.h

   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: src/sys/dev/fb/vgareg.h,v 1.4 1999/12/29 04:35:37 peter Exp $
  27  * $DragonFly: src/sys/dev/video/fb/vgareg.h,v 1.9 2008/01/09 21:29:11 swildner Exp $
  28  */
  29
  30 #ifndef _DEV_FB_VGAREG_H_
  31 #define _DEV_FB_VGAREG_H_
  32
  33 /* physical addresses */
  34 #define MDA_BUF_BASE            0xb0000
  35 #define MDA_BUF_SIZE            0x08000
  36 #define MDA_BUF                 BIOS_PADDRTOVADDR(MDA_BUF_BASE)
  37 #define CGA_BUF_BASE            0xb8000
  38 #define CGA_BUF_SIZE            0x08000
  39 #define CGA_BUF                 BIOS_PADDRTOVADDR(CGA_BUF_BASE)
  40 #define EGA_BUF_BASE            0xa0000
  41 #define EGA_BUF_SIZE            0x20000
  42 #define EGA_BUF                 BIOS_PADDRTOVADDR(EGA_BUF_BASE)
  43 #define GRAPHICS_BUF_BASE       0xa0000
  44 #define GRAPHICS_BUF_SIZE       0x10000
  45 #define GRAPHICS_BUF            BIOS_PADDRTOVADDR(GRAPHICS_BUF_BASE)
  46 #define FONT_BUF                BIOS_PADDRTOVADDR(GRAPHICS_BUF_BASE)
  47 #define VIDEO_BUF_BASE          0xa0000
  48 #define VIDEO_BUF_SIZE          0x20000
  49
  50 /* I/O port addresses */
  51 #define CRTC            (IO_CGA + 0x04)         /* crt controller base */
  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 & 0xff)
  66
  67 #ifdef _KERNEL
  68
  69 struct video_adapter;
  70 typedef struct vga_softc {
  71         struct video_adapter    *adp;
  72         void                    *state_buf;
  73 #ifdef FB_INSTALL_CDEV
  74         genfb_softc_t           gensc;
  75         cdev_t                  devt;
  76 #endif
  77 } vga_softc_t;
  78
  79 int             vga_probe_unit(int unit, struct video_adapter *adp, int flags);
  80 int             vga_attach_unit(int unit, vga_softc_t *sc, int flags);
  81
  82 #ifdef FB_INSTALL_CDEV
  83 int             vga_open(cdev_t dev, vga_softc_t *sc, int flag, int mode,
  84                          struct ucred *cred);
  85 int             vga_close(cdev_t dev, vga_softc_t *sc, int flag, int mode);
  86 int             vga_read(cdev_t dev, vga_softc_t *sc, struct uio *uio, int flag);
  87 int             vga_write(cdev_t dev, vga_softc_t *sc, struct uio *uio, int flag);
  88 int             vga_ioctl(cdev_t dev, vga_softc_t *sc, u_long cmd, caddr_t arg,
  89                           int flag, struct ucred *cred);
  90 int             vga_mmap(cdev_t dev, vga_softc_t *sc, vm_offset_t offset,
  91                          int prot);
  92 #endif
  93
  94 extern int      (*vga_sub_configure)(int flags);
  95
  96 #endif /* _KERNEL */
  97
  98 #endif /* _DEV_FB_VGAREG_H_ */