/*
   * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver.
   * Chip is combined proximity and ambient light sensor.
   *
   * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
   *
   * Contact: Samu Onkalo <samu.p.onkalo@nokia.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.
   *
   * 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 __BH1770_H__
  #define __BH1770_H__
  
  /**
   * struct bh1770_platform_data - platform data for bh1770glc driver
   * @led_def_curr: IR led driving current.
   * @glass_attenuation: Attenuation factor for covering window.
   * @setup_resources: Call back for interrupt line setup function
   * @release_resources: Call back for interrupte line release function
   *
   * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor
   * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85
   */
  
  struct bh1770_platform_data {
  #define BH1770_LED_5mA	0
  #define BH1770_LED_10mA	1
  #define BH1770_LED_20mA	2
  #define BH1770_LED_50mA	3
  #define BH1770_LED_100mA 4
  #define BH1770_LED_150mA 5
  #define BH1770_LED_200mA 6
  	__u8 led_def_curr;
  #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */
  	__u32 glass_attenuation;
  	int (*setup_resources)(void);
  	int (*release_resources)(void);
  };
  #endif