linux/drivers/media/platform/exynos4-is/fimc-is-sensor.h
Sylwester Nawrocki 1bc515ac6e [media] exynos4-is: Don't overwrite subdevdata in the fimc-is sensor driver
It's an I2C client driver and it must not overwrite the struct v4l2_subdev
dev_priv field, which is used by the v4l2 core to store a pointer to
struct i2c_client.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-04-25 09:35:43 -03:00

90 lines
2.4 KiB
C

/*
* Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
*
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
*
* Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
* Younghwan Joo <yhwan.joo@samsung.com>
*
* 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.
*/
#ifndef FIMC_IS_SENSOR_H_
#define FIMC_IS_SENSOR_H_
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/videodev2.h>
#include <media/v4l2-subdev.h>
#define FIMC_IS_SENSOR_OPEN_TIMEOUT 2000 /* ms */
#define FIMC_IS_SENSOR_DEF_PIX_WIDTH 1296
#define FIMC_IS_SENSOR_DEF_PIX_HEIGHT 732
#define S5K6A3_SENSOR_WIDTH 1392
#define S5K6A3_SENSOR_HEIGHT 1392
#define SENSOR_NUM_SUPPLIES 2
enum fimc_is_sensor_id {
FIMC_IS_SENSOR_ID_S5K3H2 = 1,
FIMC_IS_SENSOR_ID_S5K6A3,
FIMC_IS_SENSOR_ID_S5K4E5,
FIMC_IS_SENSOR_ID_S5K3H7,
FIMC_IS_SENSOR_ID_CUSTOM,
FIMC_IS_SENSOR_ID_END
};
#define IS_SENSOR_CTRL_BUS_I2C0 0
#define IS_SENSOR_CTRL_BUS_I2C1 1
struct sensor_drv_data {
enum fimc_is_sensor_id id;
const char * const subdev_name;
unsigned int width;
unsigned int height;
};
/**
* struct fimc_is_sensor - fimc-is sensor data structure
* @dev: pointer to this I2C client device structure
* @subdev: the image sensor's v4l2 subdev
* @pad: subdev media source pad
* @supplies: image sensor's voltage regulator supplies
* @gpio_reset: GPIO connected to the sensor's reset pin
* @drvdata: a pointer to the sensor's parameters data structure
* @i2c_bus: ISP I2C bus index (0...1)
* @test_pattern: true to enable video test pattern
* @lock: mutex protecting the structure's members below
* @format: media bus format at the sensor's source pad
*/
struct fimc_is_sensor {
struct device *dev;
struct v4l2_subdev subdev;
struct media_pad pad;
struct regulator_bulk_data supplies[SENSOR_NUM_SUPPLIES];
int gpio_reset;
const struct sensor_drv_data *drvdata;
unsigned int i2c_bus;
bool test_pattern;
struct mutex lock;
struct v4l2_mbus_framefmt format;
};
static inline
struct fimc_is_sensor *sd_to_fimc_is_sensor(struct v4l2_subdev *sd)
{
return container_of(sd, struct fimc_is_sensor, subdev);
}
int fimc_is_register_sensor_driver(void);
void fimc_is_unregister_sensor_driver(void);
#endif /* FIMC_IS_SENSOR_H_ */