From c491f8e99349e4022fac0dec6536ab4b43396507 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Wed, 23 Feb 2005 17:33:43 +0000
Subject: *** empty log message ***

---
 open_firmware.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 open_firmware.c

(limited to 'open_firmware.c')

diff --git a/open_firmware.c b/open_firmware.c
new file mode 100644
index 0000000..2170e70
--- /dev/null
+++ b/open_firmware.c
@@ -0,0 +1,55 @@
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <netinet/in.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <assert.h>
+#include <limits.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/fb.h>
+#include "get-edid.h"
+#include "minifind.h"
+
+int get_edid(char *edid)
+{
+	struct pathNode *n;
+	struct findNode *list;
+	FILE* edid_file = NULL;
+	char *path = NULL;
+
+	list = (struct findNode *) malloc(sizeof(struct findNode));
+        list->result = (struct pathNode *) malloc(sizeof(struct pathNode));
+        list->result->path = NULL;
+        list->result->next = list->result;
+
+	minifind("/proc/device-tree", "EDID", list);
+
+	for (n = list->result->next; n != list->result; n = n->next)
+	{
+		path = n->path;
+		break;
+	}
+
+	if (path)
+		edid_file = fopen(path, "rb");
+
+	if (edid_file)
+	{
+		int size = fread(edid, sizeof(unsigned char), 0x80, edid_file);
+		fclose(edid_file);
+		return size == 0x80 ? 0x80 : 0;
+	} else
+		return 0;
+
+#if 0
+	memcpy(&man, &ret->manufacturer_name, 2);
+	man = ntohs(man);
+	memcpy(&ret->manufacturer_name, &man, 2);
+
+	/* byteswap to match the contents of MonitorsDB */
+	ret->product_code = ((ret->product_code >> 8) & 0xff) | ((ret->product_code & 0xff) << 8);
+#endif
+}
-- 
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