diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/nto/nto_video.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/nto/nto_video.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/nto/nto_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/nto/nto_video.c deleted file mode 100644 index f78f6864a..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/nto/nto_video.c +++ /dev/null @@ -1,170 +0,0 @@ -/* (c) Copyright 1998 by Sebastien Marineau - * <sebastien@qnx.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * SEBASTIEN MARINEAU BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of Sebastien Marineau shall not be - * used in advertising or otherwise to promote the sale, use or other dealings - * in this Software without prior written authorization from Sebastien Marineau. - * - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/nto/nto_video.c,v 1.3tsi Exp $ - */ - -/* This module contains the NTO-specific functions to deal with video - * framebuffer access and interrupts. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/mman.h> -#include <sys/neutrino.h> - -#include <X11/X.h> -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - - -/* These are the interrupt enabling/disabling functions. - */ - -void xf86EnableInterrupts() -{ - InterruptEnable(); -} - -Bool xf86DisableInterrupts() -{ - InterruptDisable(); - return 0; -} - -/* These are the routines to map/unmap video memory... */ - -Bool xf86LinearVidMem() -{ - /* Yes we can... */ - return(TRUE); -} - -/* This is our shmem "Physical" handle */ -int NTO_PhMem_fd = -1; - - -/* Map a chunk of physical video memory, using mmap */ -pointer -xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size) -{ - int fd; - pointer base; - - if(NTO_PhMem_fd < 0) { - if ((fd = open("/dev/mem", O_RDWR, 0777)) < 0) { - FatalError("xf86MapVidMem: Failed to open /dev/mem\n"); - } - NTO_PhMem_fd = fd; - } - - base = mmap((caddr_t)0, Size, - (Flags & VIDMEM_READONLY) ? PROT_READ : (PROT_READ | PROT_WRITE), - MAP_SHARED, NTO_PhMem_fd, (off_t)Base); - - ErrorF("MapVidMem: addr %08x size %08x addr %08x\n", Base, Size, base); - if ((long)base == -1) { - FatalError("xf86MapVidMem: Failed to mmap video memory\n"); - } - - return base; -} - -/* ARGSUSED */ -void -xf86UnMapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ - - ErrorF("xf86UnmapVidMem: base %x size %x\n", Base, Size); - munmap((caddr_t) Base, Size); - -} - -/* Finally, this function allows us to read the video BIOS content */ - -int -xf86ReadBIOS(Base, Offset, Buf, Len) -unsigned long Base, Offset; -unsigned char *Buf; -int Len; -{ - unsigned char * VirtBase; - - ErrorF("xf86ReadBIOS: base %x offset %x len %x\n", Base, Offset, Len); - - if (NTO_PhMem_fd == -1) { - if ((NTO_PhMem_fd = open("/dev/mem", O_RDWR, 0777)) < 0) { - FatalError("xf86ReadBIOS: cannot open Physical memory\n"); - } - } - - /* Use mmap to map BIOS region. Note the restrictions on - * mmap alignement of offset variable (which must be on a page - * boundary). - */ - VirtBase = (unsigned char *) mmap(0, (size_t)((Offset & 0x7fff) + Len), PROT_READ, - MAP_SHARED, NTO_PhMem_fd, (off_t) (Base + (Offset & 0xffff8000))); - if((long)VirtBase == -1) { - FatalError( "xf86ReadBIOS: Could not mmap BIOS memory space, errno=%i\n", errno); - } - - /* So now we have our mapping to the BIOS region */ - - /* Do a sanity check on what we have just mapped */ - if (((off_t)((off_t)Offset & 0x7FFF) != (off_t)0) && - (VirtBase[0] != 0x55) && - (VirtBase[1] != 0xaa)) { - ErrorF( "xf86ReadBIOS: BIOS sanity check failed, addr=%x\n", - (int)Base + Offset); - munmap(VirtBase, (Offset & 0x7fff) + Len); - return -1; - } - - /* Things look good: copy BIOS data */ - memcpy(Buf, VirtBase + (Offset & 0x7fff), Len); - munmap(VirtBase, (Offset & 0x7fff) + Len); - - return Len; -} - -void -xf86MapReadSideEffects(int ScreenNum, int Flags, pointer base, - unsigned long Size) -{ - return; -} - -Bool -xf86CheckMTRR(int s) -{ - return FALSE; -} - |