Add support for ovcamchip at the tree

From: Mauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/linux/include/media/ovcamchip.h b/linux/include/media/ovcamchip.h
new file mode 100644
index 000000000..773fb09c6
--- /dev/null
+++ b/linux/include/media/ovcamchip.h
@@ -0,0 +1,91 @@
+/* OmniVision* camera chip driver API
+ *
+ * Copyright (c) 1999-2004 Mark McClelland
+ *
+ * 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. NO WARRANTY OF ANY KIND is expressed or implied.
+ *
+ * * OmniVision is a trademark of OmniVision Technologies, Inc. This driver
+ * is not sponsored or developed by them.
+ */
+
+#ifndef __LINUX_OVCAMCHIP_H
+#define __LINUX_OVCAMCHIP_H
+
+#include "compat.h"
+#include <linux/videodev.h>
+#include <linux/i2c.h>
+
+/* --------------------------------- */
+/*           ENUMERATIONS            */
+/* --------------------------------- */
+
+/* Controls */
+enum {
+	OVCAMCHIP_CID_CONT,		/* Contrast */
+	OVCAMCHIP_CID_BRIGHT,		/* Brightness */
+	OVCAMCHIP_CID_SAT,		/* Saturation */
+	OVCAMCHIP_CID_HUE,		/* Hue */
+	OVCAMCHIP_CID_EXP,		/* Exposure */
+	OVCAMCHIP_CID_FREQ,		/* Light frequency */
+	OVCAMCHIP_CID_BANDFILT,		/* Banding filter */
+	OVCAMCHIP_CID_AUTOBRIGHT,	/* Auto brightness */
+	OVCAMCHIP_CID_AUTOEXP,		/* Auto exposure */
+	OVCAMCHIP_CID_BACKLIGHT,	/* Back light compensation */
+	OVCAMCHIP_CID_MIRROR,		/* Mirror horizontally */
+};
+
+/* Chip types */
+#define NUM_CC_TYPES	9
+enum {
+	CC_UNKNOWN,
+	CC_OV76BE,
+	CC_OV7610,
+	CC_OV7620,
+	CC_OV7620AE,
+	CC_OV6620,
+	CC_OV6630,
+	CC_OV6630AE,
+	CC_OV6630AF,
+};
+
+/* --------------------------------- */
+/*           I2C ADDRESSES           */
+/* --------------------------------- */
+
+#define OV7xx0_SID   (0x42 >> 1)
+#define OV6xx0_SID   (0xC0 >> 1)
+
+/* --------------------------------- */
+/*                API                */
+/* --------------------------------- */
+
+struct ovcamchip_control {
+	__u32 id;
+	__s32 value;
+};
+
+struct ovcamchip_window {
+	int x;
+	int y;
+	int width;
+	int height;
+	int format;
+	int quarter;		/* Scale width and height down 2x */
+
+	/* This stuff will be removed eventually */
+	int clockdiv;		/* Clock divisor setting */
+};
+
+/* Commands */
+#define OVCAMCHIP_CMD_Q_SUBTYPE     _IOR  (0x88, 0x00, int)
+#define OVCAMCHIP_CMD_INITIALIZE    _IOW  (0x88, 0x01, int)
+/* You must call OVCAMCHIP_CMD_INITIALIZE before any of commands below! */
+#define OVCAMCHIP_CMD_S_CTRL        _IOW  (0x88, 0x02, struct ovcamchip_control)
+#define OVCAMCHIP_CMD_G_CTRL        _IOWR (0x88, 0x03, struct ovcamchip_control)
+#define OVCAMCHIP_CMD_S_MODE        _IOW  (0x88, 0x04, struct ovcamchip_window)
+#define OVCAMCHIP_MAX_CMD           _IO   (0x88, 0x3f)
+
+#endif