linux-imx

/*

 * V4L2 subdevice driver for OmniVision OV6650 Camera Sensor

 *

 * Copyright (C) 2010 Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>

 *

 * Based on OmniVision OV96xx Camera Driver

 * Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com>

 *

 * Based on ov772x camera driver:

 * Copyright (C) 2008 Renesas Solutions Corp.

 * Kuninori Morimoto <morimoto.kuninori@renesas.com>

 *

 * Based on ov7670 and soc_camera_platform driver,

 * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>

 * Copyright (C) 2008 Magnus Damm

 * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>

 *

 * Hardware specific bits initially based on former work by Matt Callow

 * drivers/media/video/omap/sensor_ov6650.c

 * Copyright (C) 2006 Matt Callow

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

​

#include <linux/bitops.h>

#include <linux/delay.h>

#include <linux/i2c.h>

#include <linux/slab.h>

#include <linux/v4l2-mediabus.h>

#include <linux/module.h>

​

#include <media/v4l2-clk.h>

#include <media/v4l2-ctrls.h>

#include <media/v4l2-device.h>

​

/* Register definitions */

#define REG_GAIN        0x00    /* range 00 - 3F */

#define REG_BLUE        0x01

#define REG_RED         0x02

#define REG_SAT         0x03    /* [7:4] saturation [0:3] reserved */

#define REG_HUE         0x04    /* [7:6] rsrvd [5] hue en [4:0] hue */

​

#define REG_BRT         0x06

​

#define REG_PIDH        0x0a

#define REG_PIDL        0x0b

​

#define REG_AECH        0x10

#define REG_CLKRC       0x11    /* Data Format and Internal Clock */

                    /* [7:6] Input system clock (MHz)*/

                    /*   00=8, 01=12, 10=16, 11=24 */

                    /* [5:0]: Internal Clock Pre-Scaler */

#define REG_COMA        0x12    /* [7] Reset */

#define REG_COMB        0x13

#define REG_COMC        0x14

#define REG_COMD        0x15

#define REG_COML        0x16

#define REG_HSTRT       0x17

#define REG_HSTOP       0x18

#define REG_VSTRT       0x19

#define REG_VSTOP       0x1a