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-rw-r--r--include/linux/display.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/display.h b/include/linux/display.h
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index 000000000000..3bf70d639728
--- /dev/null
+++ b/include/linux/display.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2006 James Simmons <jsimmons@infradead.org>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#ifndef _LINUX_DISPLAY_H
+#define _LINUX_DISPLAY_H
+
+#include <linux/device.h>
+
+struct display_device;
+
+/* This structure defines all the properties of a Display. */
+struct display_driver {
+ int (*set_contrast)(struct display_device *, unsigned int);
+ int (*get_contrast)(struct display_device *);
+ void (*suspend)(struct display_device *, pm_message_t state);
+ void (*resume)(struct display_device *);
+ int (*probe)(struct display_device *, void *);
+ int (*remove)(struct display_device *);
+ int max_contrast;
+};
+
+struct display_device {
+ struct module *owner; /* Owner module */
+ struct display_driver *driver;
+ struct device *parent; /* This is the parent */
+ struct device *dev; /* This is this display device */
+ struct mutex lock;
+ void *priv_data;
+ char type[16];
+ char *name;
+ int idx;
+};
+
+extern struct display_device *display_device_register(struct display_driver *driver,
+ struct device *dev, void *devdata);
+extern void display_device_unregister(struct display_device *dev);
+
+extern int probe_edid(struct display_device *dev, void *devdata);
+
+#define to_display_device(obj) container_of(obj, struct display_device, class_dev)
+
+#endif