drivers/media/platform/exynos4-is/fimc-is-sensor.h

   1 /*
   2  * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
   3  *
   4  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
   5  *
   6  * Authors:  Sylwester Nawrocki <s.nawrocki@samsung.com>
   7  *           Younghwan Joo <yhwan.joo@samsung.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13 #ifndef FIMC_IS_SENSOR_H_
  14 #define FIMC_IS_SENSOR_H_
  15
  16 #include <linux/clk.h>
  17 #include <linux/device.h>
  18 #include <linux/kernel.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/regulator/consumer.h>
  21 #include <linux/videodev2.h>
  22 #include <media/v4l2-subdev.h>
  23
  24 #define FIMC_IS_SENSOR_OPEN_TIMEOUT     2000 /* ms */
  25
  26 #define FIMC_IS_SENSOR_DEF_PIX_WIDTH    1296
  27 #define FIMC_IS_SENSOR_DEF_PIX_HEIGHT   732
  28
  29 #define S5K6A3_SENSOR_WIDTH             1392
  30 #define S5K6A3_SENSOR_HEIGHT            1392
  31
  32 #define SENSOR_NUM_SUPPLIES             2
  33
  34 enum fimc_is_sensor_id {
  35         FIMC_IS_SENSOR_ID_S5K3H2 = 1,
  36         FIMC_IS_SENSOR_ID_S5K6A3,
  37         FIMC_IS_SENSOR_ID_S5K4E5,
  38         FIMC_IS_SENSOR_ID_S5K3H7,
  39         FIMC_IS_SENSOR_ID_CUSTOM,
  40         FIMC_IS_SENSOR_ID_END
  41 };
  42
  43 #define IS_SENSOR_CTRL_BUS_I2C0         0
  44 #define IS_SENSOR_CTRL_BUS_I2C1         1
  45
  46 struct sensor_drv_data {
  47         enum fimc_is_sensor_id id;
  48         const char * const subdev_name;
  49         unsigned int width;
  50         unsigned int height;
  51 };
  52
  53 /**
  54  * struct fimc_is_sensor - fimc-is sensor data structure
  55  * @dev: pointer to this I2C client device structure
  56  * @subdev: the image sensor's v4l2 subdev
  57  * @pad: subdev media source pad
  58  * @supplies: image sensor's voltage regulator supplies
  59  * @gpio_reset: GPIO connected to the sensor's reset pin
  60  * @drvdata: a pointer to the sensor's parameters data structure
  61  * @i2c_bus: ISP I2C bus index (0...1)
  62  * @test_pattern: true to enable video test pattern
  63  * @lock: mutex protecting the structure's members below
  64  * @format: media bus format at the sensor's source pad
  65  */
  66 struct fimc_is_sensor {
  67         struct device *dev;
  68         struct v4l2_subdev subdev;
  69         struct media_pad pad;
  70         struct regulator_bulk_data supplies[SENSOR_NUM_SUPPLIES];
  71         int gpio_reset;
  72         const struct sensor_drv_data *drvdata;
  73         unsigned int i2c_bus;
  74         bool test_pattern;
  75
  76         struct mutex lock;
  77         struct v4l2_mbus_framefmt format;
  78 };
  79
  80 static inline
  81 struct fimc_is_sensor *sd_to_fimc_is_sensor(struct v4l2_subdev *sd)
  82 {
  83         return container_of(sd, struct fimc_is_sensor, subdev);
  84 }
  85
  86 int fimc_is_register_sensor_driver(void);
  87 void fimc_is_unregister_sensor_driver(void);
  88
  89 #endif /* FIMC_IS_SENSOR_H_ */