mirror of https://github.com/mpv-player/mpv
92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
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* VIDIX Direct Hardware Access (DHA).
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* Copyright (C) 2002 Nick Kurshev
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*
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* 1996/10/27 - Robin Cutshaw (robin@xfree86.org)
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* XFree86 3.3.3 implementation
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* 1999 - Øyvind Aabling.
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* Modified for GATOS/win/gfxdump.
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*
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* 2002 - library implementation by Nick Kurshev
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* - dhahelper and some changes by Alex Beregszaszi
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*
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* supported OSes: SVR4, UnixWare, SCO, Solaris,
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* FreeBSD, NetBSD, 386BSD, BSDI BSD/386,
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* Linux, Mach/386, ISC
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* DOS (WATCOM 9.5 compiler), Win9x (with mapdev.vxd)
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* original location: www.linuxvideo.org/gatos
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_DHA_H
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#define MPLAYER_DHA_H
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#ifndef DEV_SVGA
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#define DEV_SVGA "/dev/svga"
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#endif
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#define MAX_DEV_PER_VENDOR_CFG1 64
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#define MAX_PCI_DEVICES_PER_BUS 32
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#define MAX_PCI_DEVICES 64
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#define PCI_MULTIFUNC_DEV 0x80
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#define PCI_COMMAND_IO 0x1 /* Enable response to I/O space */
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typedef struct pciinfo_s
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{
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int bus,card,func; /* PCI/AGP bus:card:func */
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unsigned short command; /* Device control register */
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unsigned short vendor,device; /* Card vendor+device ID */
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unsigned base0,base1,base2,baserom; /* Memory and I/O base addresses */
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// unsigned base0_limit, base1_limit, base2_limit, baserom_limit;
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}pciinfo_t;
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/* needed for mga_vid */
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extern int pci_config_read(unsigned char bus, unsigned char dev, unsigned char func,
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unsigned char cmd, int len, unsigned long *val);
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/* Fill array pci_list which must have size MAX_PCI_DEVICES
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and return 0 if sucessful */
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extern int pci_scan(pciinfo_t *pci_list,unsigned *num_card);
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/* Enables/disables accessing to IO space from application side.
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Should return 0 if o'k or errno on error. */
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extern int enable_app_io( void );
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extern int disable_app_io( void );
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extern unsigned char INPORT8(unsigned idx);
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extern unsigned short INPORT16(unsigned idx);
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extern unsigned INPORT32(unsigned idx);
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#define INPORT(idx) INPORT32(idx)
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extern void OUTPORT8(unsigned idx,unsigned char val);
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extern void OUTPORT16(unsigned idx,unsigned short val);
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extern void OUTPORT32(unsigned idx,unsigned val);
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#define OUTPORT(idx,val) OUTPORT32(idx,val)
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extern void * map_phys_mem(unsigned long base, unsigned long size);
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extern void unmap_phys_mem(void *ptr, unsigned long size);
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/* These are the region types */
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#define MTRR_TYPE_UNCACHABLE 0
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#define MTRR_TYPE_WRCOMB 1
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#define MTRR_TYPE_WRTHROUGH 4
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#define MTRR_TYPE_WRPROT 5
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#define MTRR_TYPE_WRBACK 6
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extern int mtrr_set_type(unsigned base,unsigned size,int type);
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#endif /* MPLAYER_DHA_H */
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