vgareg.h revision 199002
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: head/sys/dev/fb/vgareg.h 199002 2009-11-06 20:32:26Z jkim $ 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) dev2unit(dev) 65#define VGA_MKMINOR(unit) (unit) 66 67#ifdef _KERNEL 68 69struct video_adapter; 70typedef struct vga_softc { 71 struct video_adapter *adp; 72 device_t pci_dev; 73 void *state_buf; 74 void *pal_buf; 75#ifdef FB_INSTALL_CDEV 76 genfb_softc_t gensc; 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 84int vga_open(struct cdev *dev, vga_softc_t *sc, int flag, int mode, 85 struct thread *td); 86int vga_close(struct cdev *dev, vga_softc_t *sc, int flag, int mode, 87 struct thread *td); 88int vga_read(struct cdev *dev, vga_softc_t *sc, struct uio *uio, int flag); 89int vga_write(struct cdev *dev, vga_softc_t *sc, struct uio *uio, int flag); 90int vga_ioctl(struct cdev *dev, vga_softc_t *sc, u_long cmd, caddr_t arg, 91 int flag, struct thread *td); 92int vga_mmap(struct cdev *dev, vga_softc_t *sc, vm_offset_t offset, 93 vm_offset_t *paddr, int prot); 94#endif 95 96extern int (*vga_sub_configure)(int flags); 97 98#endif /* _KERNEL */ 99 100#endif /* _DEV_FB_VGAREG_H_ */ 101