void
osPciInit(void)
{
+#if defined(OPENBSD_MORE_CALLS)
+ xf86OpenConsole();
+#endif
xf86InitVidMem();
}
pointer
xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size)
{
pointer vbase = NULL;
VidMapPtr vp;
MappingPtr mp;
if (((Flags & VIDMEM_FRAMEBUFFER) &&
(Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))))
FatalError("Mapping memory with more than one type\n");
xf86InitVidMem();
if (!vidMemInfo.initialised || !vidMemInfo.mapMem)
return NULL;
vbase = vidMemInfo.mapMem(ScreenNum, Base, Size, Flags);
if (!vbase || vbase == (pointer)-1)
return NULL;
vp = getVidMapRec(ScreenNum);
mp = newMapping(vp);
mp->physBase = Base;
mp->size = Size;
mp->virtBase = vbase;
mp->flags = Flags;
/*
* Check the "mtrr" option even when MTRR isn't supported to avoid
* warnings about unrecognised options.
*/
checkMtrrOption(vp);
if (vp->mtrrEnabled && vidMemInfo.setWC) {
if (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))
mp->mtrrInfo =
vidMemInfo.setWC(ScreenNum, Base, Size, FALSE,
vp->mtrrFrom);
else if (Flags & VIDMEM_FRAMEBUFFER)
mp->mtrrInfo =
vidMemInfo.setWC(ScreenNum, Base, Size, TRUE,
vp->mtrrFrom);
}
return vbase;
}
Bool
xf86LinearVidMem(void)
{
xf86InitVidMem();
return vidMemInfo.linearSupported;
}
static pointer
linuxMapPci(int ScreenNum, int Flags, PCITAG Tag,
ADDRESS Base, unsigned long Size, int mmap_ioctl)
{
do {
pciConfigPtr pPCI;
unsigned char *result;
ADDRESS realBase, Offset;
int fd, mmapflags, prot;
xf86InitVidMem();
pPCI = xf86GetPciHostConfigFromTag(Tag);
if (((fd = linuxPciOpenFile(pPCI ? pPCI->tag : 0,FALSE)) < 0) ||
(ioctl(fd, mmap_ioctl, 0) < 0))
break;
/* Note: IA-64 doesn't compile this and doesn't need to */
#ifdef __ia64__
# ifndef MAP_WRITECOMBINED
# define MAP_WRITECOMBINED 0x00010000
# endif
# ifndef MAP_NONCACHED
# define MAP_NONCACHED 0x00020000
# endif
if (Flags & VIDMEM_FRAMEBUFFER)
mmapflags = MAP_SHARED | MAP_WRITECOMBINED;
else
mmapflags = MAP_SHARED | MAP_NONCACHED;
#else /* !__ia64__ */
mmapflags = (Flags & VIDMEM_FRAMEBUFFER) / VIDMEM_FRAMEBUFFER;
if (ioctl(fd, PCIIOC_WRITE_COMBINE, mmapflags) < 0)
break;
mmapflags = MAP_SHARED;
#endif /* ?__ia64__ */
/* Align to page boundary */
realBase = Base & ~(getpagesize() - 1);
Offset = Base - realBase;
if (Flags & VIDMEM_READONLY)
prot = PROT_READ;
else
prot = PROT_READ | PROT_WRITE;
result = mmap(NULL, Size + Offset, prot, mmapflags, fd, realBase);
if (!result || ((pointer)result == MAP_FAILED))
return NULL;
xf86MakeNewMapping(ScreenNum, Flags, realBase, Size + Offset, result);
return result + Offset;
} while (0);
if (mmap_ioctl == PCIIOC_MMAP_IS_MEM)
return xf86MapVidMem(ScreenNum, Flags, Base, Size);
return NULL;
}
void
bsdPciInit(void)
{
xf86InitVidMem();
}