This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / video / nvidia / nv_of.c

diff --git a/drivers/video/nvidia/nv_of.c b/drivers/video/nvidia/nv_of.c
new file mode 100644 (file)
index 0000000..7d12eb8
--- /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;
+}