1 files changed, 59 insertions, 0 deletions

diff --git a/drivers/video/nvidia/nv_of.c b/drivers/video/nvidia/nv_of.c
new file mode 100644
index 000000000000..7d12eb85310d
--- /dev/null
+++ b/drivers/video/nvidia/nv_of.c
@@ -0,0 +1,59 @@
+/*
+ * linux/drivers/video/nvidia/nv_of.c
+ *
+ * Copyright 2004 Antonino A. Daplas <adaplas @pol.net>
+ *
+ * Based on rivafb-i2c.c
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/fb.h>
+
+#include <asm/io.h>
+
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+
+#include "nv_type.h"
+#include "nv_local.h"
+#include "nv_proto.h"
+
+void nvidia_create_i2c_busses(struct nvidia_par *par) {}
+void nvidia_delete_i2c_busses(struct nvidia_par *par) {}
+
+int nvidia_probe_i2c_connector(struct nvidia_par *par, int conn, u8 **out_edid)
+{
+        struct device_node *dp;
+        unsigned char *pedid = NULL;
+        unsigned char *disptype = NULL;
+        static char *propnames[] = {
+                "DFP,EDID", "LCD,EDID", "EDID", "EDID1", "EDID,B", "EDID,A", NULL };
+        int i;
+
+        dp = pci_device_to_OF_node(par->pci_dev);
+        for (; dp != NULL; dp = dp->child) {
+                disptype = (unsigned char *)get_property(dp, "display-type", NULL);
+                if (disptype == NULL)
+                        continue;
+                if (strncmp(disptype, "LCD", 3) != 0)
+                        continue;
+                for (i = 0; propnames[i] != NULL; ++i) {
+                        pedid = (unsigned char *)
+                                get_property(dp, propnames[i], NULL);
+                        if (pedid != NULL) {
+                                *out_edid = pedid;
+                                return 0;
+                        }
+                }
+        }
+        return 1;
+}