1/* 2 * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver. 3 * Chip is combined proximity and ambient light sensor. 4 * 5 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 6 * 7 * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * version 2 as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 21 * 02110-1301 USA 22 * 23 */ 24 25#ifndef __BH1770_H__ 26#define __BH1770_H__ 27 28/** 29 * struct bh1770_platform_data - platform data for bh1770glc driver 30 * @led_def_curr: IR led driving current. 31 * @glass_attenuation: Attenuation factor for covering window. 32 * @setup_resources: Call back for interrupt line setup function 33 * @release_resources: Call back for interrupte line release function 34 * 35 * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor 36 * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 37 */ 38 39struct bh1770_platform_data { 40#define BH1770_LED_5mA 0 41#define BH1770_LED_10mA 1 42#define BH1770_LED_20mA 2 43#define BH1770_LED_50mA 3 44#define BH1770_LED_100mA 4 45#define BH1770_LED_150mA 5 46#define BH1770_LED_200mA 6 47 __u8 led_def_curr; 48#define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ 49 __u32 glass_attenuation; 50 int (*setup_resources)(void); 51 int (*release_resources)(void); 52}; 53#endif 54