mirror of
https://github.com/torvalds/linux.git
synced 2024-11-14 08:02:07 +00:00
1bc515ac6e
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>
90 lines
2.4 KiB
C
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_ */
|