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Diffstat (limited to 'vidix/sysdep/pci_bsdi.c')
-rw-r--r--vidix/sysdep/pci_bsdi.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/vidix/sysdep/pci_bsdi.c b/vidix/sysdep/pci_bsdi.c
new file mode 100644
index 0000000000..b6b142054d
--- /dev/null
+++ b/vidix/sysdep/pci_bsdi.c
@@ -0,0 +1,39 @@
+/*
+ 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>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <i386/isa/pcconsioctl.h>
+#ifndef GCCUSESGAS
+#define GCCUSESGAS
+#endif
+
+static int io_fd;
+
+static __inline__ int enable_os_io(void)
+{
+ io_fd = -1 ;
+ if ((io_fd = open("/dev/console", O_RDWR, 0)) < 0) {
+ perror("/dev/console");
+ return(errno);
+ }
+ if (ioctl(io_fd, PCCONENABIOPL, 0) < 0) {
+ perror("ioctl(PCCONENABIOPL)");
+ return(errno);
+ }
+ return(0);
+}
+
+static __inline__ int disable_os_io(void)
+{
+ if (ioctl(io_fd, PCCONDISABIOPL, 0) < 0) {
+ perror("ioctl(PCCONDISABIOPL)");
+ close(io_fd);
+ return(errno);
+ }
+ close(io_fd);
+ return(0);
+}