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Add a real xf86EnableIO/xf86DisableIO for NetBSD/PPC.

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This commit is contained in:
Jared D. McNeill 2007-04-10 12:57:15 -07:00 committed by Eric Anholt
parent f77a8ea849
commit 4aae2de74b
2 changed files with 34 additions and 2 deletions
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3
hw/xfree86/os-support/bsd/Makefile.am
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@ -38,8 +38,7 @@ ARCH_SOURCES = i386_video.c
endif
if PPC_VIDEO
ARCH_SOURCES = ppc_video.c \
$(srcdir)/../shared/ioperm_noop.c
ARCH_SOURCES = ppc_video.c
endif
if SPARC64_VIDEO

33
hw/xfree86/os-support/bsd/ppc_video.c
View File

@ -56,6 +56,9 @@
static pointer ppcMapVidMem(int, unsigned long, unsigned long, int flags);
static void ppcUnmapVidMem(int, pointer, unsigned long);
Bool xf86EnableIO(void);
void xf86DisableIO(void);
void
xf86OSInitVidMem(VidMemInfoPtr pVidMem)
{
@ -63,6 +66,7 @@ xf86OSInitVidMem(VidMemInfoPtr pVidMem)
pVidMem->mapMem = ppcMapVidMem;
pVidMem->unmapMem = ppcUnmapVidMem;
pVidMem->initialised = TRUE;
xf86EnableIO();
}
@ -138,3 +142,32 @@ xf86EnableInterrupts()
return;
}
Bool xf86EnableIO()
{
int fd = xf86Info.screenFd;
xf86MsgVerb(X_WARNING, 3, "xf86EnableIO %d\n", fd);
if (ioBase == MAP_FAILED)
{
ioBase=mmap(NULL, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, fd,
0xf2000000);
xf86MsgVerb(X_INFO, 3, "xf86EnableIO: %08x\n", ioBase);
if (ioBase == MAP_FAILED) {
xf86MsgVerb(X_WARNING, 3, "Can't map IO space!\n");
return FALSE;
}
}
return TRUE;
}
void xf86DisableIO()
{
if (ioBase != MAP_FAILED)
{
munmap(__UNVOLATILE(ioBase), 0x10000);
ioBase = MAP_FAILED;
}
}