linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * tw9910 Video Driver

 *

 * Copyright (C) 2017 Jacopo Mondi <jacopo+renesas@jmondi.org>

 *

 * Copyright (C) 2008 Renesas Solutions Corp.

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

 *

 * Based on ov772x driver,

 *

 * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>

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

 * Copyright (C) 2008 Magnus Damm

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

 */

​

#include <linux/clk.h>

#include <linux/delay.h>

#include <linux/gpio/consumer.h>

#include <linux/i2c.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/slab.h>

#include <linux/v4l2-mediabus.h>

#include <linux/videodev2.h>

​

#include <media/i2c/tw9910.h>

#include <media/v4l2-subdev.h>

​

#define GET_ID(val)  ((val & 0xF8) >> 3)

#define GET_REV(val) (val & 0x07)

​

/*

 * register offset

 */

#define ID      0x00 /* Product ID Code Register */

#define STATUS1     0x01 /* Chip Status Register I */

#define INFORM      0x02 /* Input Format */

#define OPFORM      0x03 /* Output Format Control Register */

#define DLYCTR      0x04 /* Hysteresis and HSYNC Delay Control */

#define OUTCTR1     0x05 /* Output Control I */

#define ACNTL1      0x06 /* Analog Control Register 1 */

#define CROP_HI     0x07 /* Cropping Register, High */

#define VDELAY_LO   0x08 /* Vertical Delay Register, Low */

#define VACTIVE_LO  0x09 /* Vertical Active Register, Low */

#define HDELAY_LO   0x0A /* Horizontal Delay Register, Low */

#define HACTIVE_LO  0x0B /* Horizontal Active Register, Low */

#define CNTRL1      0x0C /* Control Register I */

#define VSCALE_LO   0x0D /* Vertical Scaling Register, Low */

#define SCALE_HI    0x0E /* Scaling Register, High */

#define HSCALE_LO   0x0F /* Horizontal Scaling Register, Low */

#define BRIGHT      0x10 /* BRIGHTNESS Control Register */

#define CONTRAST    0x11 /* CONTRAST Control Register */

#define SHARPNESS   0x12 /* SHARPNESS Control Register I */

#define SAT_U       0x13 /* Chroma (U) Gain Register */

#define SAT_V       0x14 /* Chroma (V) Gain Register */

#define HUE     0x15 /* Hue Control Register */

#define CORING1     0x17

#define CORING2     0x18 /* Coring and IF compensation */

#define VBICNTL     0x19 /* VBI Control Register */

#define ACNTL2      0x1A /* Analog Control 2 */