Change the kernel dev_t, representing a pointer to a specinfo structure,
[dragonfly.git] / sys / dev / video / 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: src/sys/dev/fb/vgareg.h,v 1.4 1999/12/29 04:35:37 peter Exp $
b13267a5 27 * $DragonFly: src/sys/dev/video/fb/vgareg.h,v 1.8 2006/09/10 01:26:37 dillon Exp $
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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 MONO_CRTC (IO_MDA + 0x04) /* crt controller base mono */
52#define COLOR_CRTC (IO_CGA + 0x04) /* crt controller base color */
53#define MISC (IO_VGA + 0x02) /* misc output register */
54#define ATC (IO_VGA + 0x00) /* attribute controller */
55#define TSIDX (IO_VGA + 0x04) /* timing sequencer idx */
56#define TSREG (IO_VGA + 0x05) /* timing sequencer data */
57#define PIXMASK (IO_VGA + 0x06) /* pixel write mask */
58#define PALRADR (IO_VGA + 0x07) /* palette read address */
59#define PALWADR (IO_VGA + 0x08) /* palette write address */
60#define PALDATA (IO_VGA + 0x09) /* palette data register */
61#define GDCIDX (IO_VGA + 0x0E) /* graph data controller idx */
62#define GDCREG (IO_VGA + 0x0F) /* graph data controller data */
63
64#define VGA_DRIVER_NAME "vga"
65#define VGA_UNIT(dev) minor(dev)
e4c9c0c8 66#define VGA_MKMINOR(unit) (unit & 0xff)
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67
68#ifdef _KERNEL
69
70struct video_adapter;
71typedef struct vga_softc {
72 struct video_adapter *adp;
b5f86e2f 73 void *state_buf;
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74#ifdef FB_INSTALL_CDEV
75 genfb_softc_t gensc;
b13267a5 76 cdev_t devt;
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77#endif
78} vga_softc_t;
79
80int vga_probe_unit(int unit, struct video_adapter *adp, int flags);
81int vga_attach_unit(int unit, vga_softc_t *sc, int flags);
82
83#ifdef FB_INSTALL_CDEV
b13267a5 84int vga_open(cdev_t dev, vga_softc_t *sc, int flag, int mode,
fef8985e 85 struct ucred *cred);
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86int vga_close(cdev_t dev, vga_softc_t *sc, int flag, int mode);
87int vga_read(cdev_t dev, vga_softc_t *sc, struct uio *uio, int flag);
88int vga_write(cdev_t dev, vga_softc_t *sc, struct uio *uio, int flag);
89int vga_ioctl(cdev_t dev, vga_softc_t *sc, u_long cmd, caddr_t arg,
fef8985e 90 int flag, struct ucred *cred);
b13267a5 91int vga_mmap(cdev_t dev, vga_softc_t *sc, vm_offset_t offset,
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92 int prot);
93#endif
94
95extern int (*vga_sub_configure)(int flags);
96
97#endif /* _KERNEL */
98
99#endif /* _DEV_FB_VGAREG_H_ */