bh1770glc.h (1206B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver. 4 * Chip is combined proximity and ambient light sensor. 5 * 6 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 7 * 8 * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> 9 */ 10 11#ifndef __BH1770_H__ 12#define __BH1770_H__ 13 14/** 15 * struct bh1770_platform_data - platform data for bh1770glc driver 16 * @led_def_curr: IR led driving current. 17 * @glass_attenuation: Attenuation factor for covering window. 18 * @setup_resources: Call back for interrupt line setup function 19 * @release_resources: Call back for interrupte line release function 20 * 21 * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor 22 * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 23 */ 24 25struct bh1770_platform_data { 26#define BH1770_LED_5mA 0 27#define BH1770_LED_10mA 1 28#define BH1770_LED_20mA 2 29#define BH1770_LED_50mA 3 30#define BH1770_LED_100mA 4 31#define BH1770_LED_150mA 5 32#define BH1770_LED_200mA 6 33 __u8 led_def_curr; 34#define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ 35 __u32 glass_attenuation; 36 int (*setup_resources)(void); 37 int (*release_resources)(void); 38}; 39#endif