linux/include/media/s3c_camif.h
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   1/*
   2 * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver
   3 *
   4 * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9*/
  10
  11#ifndef MEDIA_S3C_CAMIF_
  12#define MEDIA_S3C_CAMIF_
  13
  14#include <linux/i2c.h>
  15#include <media/v4l2-mediabus.h>
  16
  17/**
  18 * struct s3c_camif_sensor_info - an image sensor description
  19 * @i2c_board_info: pointer to an I2C sensor subdevice board info
  20 * @clock_frequency: frequency of the clock the host provides to a sensor
  21 * @mbus_type: media bus type
  22 * @i2c_bus_num: i2c control bus id the sensor is attached to
  23 * @flags: the parallel bus flags defining signals polarity (V4L2_MBUS_*)
  24 * @use_field: 1 if parallel bus FIELD signal is used (only s3c64xx)
  25 */
  26struct s3c_camif_sensor_info {
  27        struct i2c_board_info i2c_board_info;
  28        unsigned long clock_frequency;
  29        enum v4l2_mbus_type mbus_type;
  30        u16 i2c_bus_num;
  31        u16 flags;
  32        u8 use_field;
  33};
  34
  35struct s3c_camif_plat_data {
  36        struct s3c_camif_sensor_info sensor;
  37        int (*gpio_get)(void);
  38        int (*gpio_put)(void);
  39};
  40
  41/* Platform default helper functions */
  42int s3c_camif_gpio_get(void);
  43int s3c_camif_gpio_put(void);
  44
  45#endif /* MEDIA_S3C_CAMIF_ */
  46
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