include/media/drv-intf/s3c_camif.h

   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  */
  26 struct 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
  35 struct 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 */
  42 int s3c_camif_gpio_get(void);
  43 int s3c_camif_gpio_put(void);
  44
  45 #endif /* MEDIA_S3C_CAMIF_ */