/*

   * include/media/i2c/smiapp.h

   *
   * Generic driver for SMIA/SMIA++ compliant camera modules
   *
   * Copyright (C) 2011--2012 Nokia Corporation

   * Contact: Sakari Ailus <sakari.ailus@iki.fi>

   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   * 02110-1301 USA
   *
   */
  
  #ifndef __SMIAPP_H_
  #define __SMIAPP_H_
  
  #include <media/v4l2-subdev.h>
  
  #define SMIAPP_NAME		"smiapp"
  
  #define SMIAPP_DFL_I2C_ADDR	(0x20 >> 1) /* Default I2C Address */
  #define SMIAPP_ALT_I2C_ADDR	(0x6e >> 1) /* Alternate I2C Address */
  
  #define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_CLOCK	0
  #define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_STROBE	1
  #define SMIAPP_CSI_SIGNALLING_MODE_CSI2			2

  /*
   * Sometimes due to board layout considerations the camera module can be
   * mounted rotated. The typical rotation used is 180 degrees which can be
   * corrected by giving a default H-FLIP and V-FLIP in the sensor readout.
   * FIXME: rotation also changes the bayer pattern.
   */
  enum smiapp_module_board_orient {
  	SMIAPP_MODULE_BOARD_ORIENT_0 = 0,
  	SMIAPP_MODULE_BOARD_ORIENT_180,
  };
  
  struct smiapp_flash_strobe_parms {
  	u8 mode;
  	u32 strobe_width_high_us;
  	u16 strobe_delay;
  	u16 stobe_start_point;
  	u8 trigger;
  };

  struct smiapp_hwconfig {

  	/*
  	 * Change the cci address if i2c_addr_alt is set.
  	 * Both default and alternate cci addr need to be present
  	 */
  	unsigned short i2c_addr_dfl;	/* Default i2c addr */
  	unsigned short i2c_addr_alt;	/* Alternate i2c addr */

  	uint32_t nvm_size;		/* bytes */
  	uint32_t ext_clk;		/* sensor external clk */

  
  	unsigned int lanes;		/* Number of CSI-2 lanes */

  	uint32_t csi_signalling_mode;	/* SMIAPP_CSI_SIGNALLING_MODE_* */
  	uint64_t *op_sys_clock;

  
  	enum smiapp_module_board_orient module_board_orient;
  
  	struct smiapp_flash_strobe_parms *strobe_setup;

  };
  
  #endif /* __SMIAPP_H_  */