linux-imx

/* Texas Instruments Triple 8-/10-BIT 165-/110-MSPS Video and Graphics

 * Digitizer with Horizontal PLL registers

 *

 * Copyright (C) 2009 Texas Instruments Inc

 * Author: Santiago Nunez-Corrales <santiago.nunez@ridgerun.com>

 *

 * This code is partially based upon the TVP5150 driver

 * written by Mauro Carvalho Chehab <mchehab@kernel.org>,

 * the TVP514x driver written by Vaibhav Hiremath <hvaibhav@ti.com>

 * and the TVP7002 driver in the TI LSP 2.10.00.14. Revisions by

 * Muralidharan Karicheri and Snehaprabha Narnakaje (TI).

 *

 * 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.

 */

#include <linux/delay.h>

#include <linux/i2c.h>

#include <linux/slab.h>

#include <linux/videodev2.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/of_graph.h>

#include <linux/v4l2-dv-timings.h>

#include <media/i2c/tvp7002.h>

#include <media/v4l2-async.h>

#include <media/v4l2-device.h>

#include <media/v4l2-common.h>

#include <media/v4l2-ctrls.h>

#include <media/v4l2-fwnode.h>

​

#include "tvp7002_reg.h"

​

MODULE_DESCRIPTION("TI TVP7002 Video and Graphics Digitizer driver");

MODULE_AUTHOR("Santiago Nunez-Corrales <santiago.nunez@ridgerun.com>");

MODULE_LICENSE("GPL");

​

/* I2C retry attempts */

#define I2C_RETRY_COUNT     (5)

​

/* End of registers */

#define TVP7002_EOR     0x5c

​

/* Read write definition for registers */

#define TVP7002_READ        0

#define TVP7002_WRITE       1

#define TVP7002_RESERVED    2

​

/* Interlaced vs progressive mask and shift */

#define TVP7002_IP_SHIFT    5

#define TVP7002_INPR_MASK   (0x01 << TVP7002_IP_SHIFT)

​

/* Shift for CPL and LPF registers */

#define TVP7002_CL_SHIFT    8

#define TVP7002_CL_MASK     0x0f

​

/* Debug functions */