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authorDaniel Caujolle-Bert <f1rmb@users.sourceforge.net>2002-06-01 14:08:36 +0000
committerDaniel Caujolle-Bert <f1rmb@users.sourceforge.net>2002-06-01 14:08:36 +0000
commitbb7a31a69bac993ffb9cfb195b84c1e374308e08 (patch)
treedfa504dd8c27837562c4850308d668afef851dd2 /src/video_out/libdha/sysdep/pci_linux.c
parentc49645144f4d31c88610c449059d48493736b5b6 (diff)
downloadxine-lib-bb7a31a69bac993ffb9cfb195b84c1e374308e08.tar.gz
xine-lib-bb7a31a69bac993ffb9cfb195b84c1e374308e08.tar.bz2
Add vidix/libdha from mplayerxp and Miguel's video ouput vidix.
CVS patchset: 1976 CVS date: 2002/06/01 14:08:36
Diffstat (limited to 'src/video_out/libdha/sysdep/pci_linux.c')
-rw-r--r--src/video_out/libdha/sysdep/pci_linux.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/video_out/libdha/sysdep/pci_linux.c b/src/video_out/libdha/sysdep/pci_linux.c
new file mode 100644
index 000000000..9382ebf2d
--- /dev/null
+++ b/src/video_out/libdha/sysdep/pci_linux.c
@@ -0,0 +1,48 @@
+/*
+ This file is based on:
+ $XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $
+ Modified for readability by Nick Kurshev
+*/
+#include <errno.h>
+#ifdef __i386__
+#include <sys/perm.h>
+#else
+#include <sys/io.h>
+#endif
+
+#include "config.h"
+
+#ifdef CONFIG_DHAHELPER
+#include <fcntl.h>
+int dhahelper_initialized = 0;
+int dhahelper_fd = 0;
+#endif
+
+static __inline__ int enable_os_io(void)
+{
+#ifdef CONFIG_DHAHELPER
+ dhahelper_fd = open("/dev/dhahelper", O_RDWR);
+ if (dhahelper_fd > 0)
+ {
+ dhahelper_initialized = 1;
+ return(0);
+ }
+ dhahelper_initialized = -1;
+#endif
+
+ if (iopl(3) != 0)
+ return(errno);
+ return(0);
+}
+
+static __inline__ int disable_os_io(void)
+{
+#ifdef CONFIG_DHAHELPER
+ if (dhahelper_initialized == 1)
+ close(dhahelper_fd);
+ else
+#endif
+ if (iopl(0) != 0)
+ return(errno);
+ return(0);
+}