/*
   * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver
   *
   * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.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 MEDIA_S3C_CAMIF_
  #define MEDIA_S3C_CAMIF_
  
  #include <linux/i2c.h>
  #include <media/v4l2-mediabus.h>
  
  /**
   * struct s3c_camif_sensor_info - an image sensor description
   * @i2c_board_info: pointer to an I2C sensor subdevice board info
   * @clock_frequency: frequency of the clock the host provides to a sensor
   * @mbus_type: media bus type
   * @i2c_bus_num: i2c control bus id the sensor is attached to
   * @flags: the parallel bus flags defining signals polarity (V4L2_MBUS_*)
   * @use_field: 1 if parallel bus FIELD signal is used (only s3c64xx)
   */
  struct s3c_camif_sensor_info {
  	struct i2c_board_info i2c_board_info;
  	unsigned long clock_frequency;
  	enum v4l2_mbus_type mbus_type;
  	u16 i2c_bus_num;
  	u16 flags;
  	u8 use_field;
  };
  
  struct s3c_camif_plat_data {
  	struct s3c_camif_sensor_info sensor;
  	int (*gpio_get)(void);
  	int (*gpio_put)(void);
  };
  
  /* Platform default helper functions */
  int s3c_camif_gpio_get(void);
  int s3c_camif_gpio_put(void);
  
  #endif /* MEDIA_S3C_CAMIF_ */