1*2b27bdccSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2610387d1SWolfram Sang /* 3610387d1SWolfram Sang * This file is part of the APDS990x sensor driver. 4610387d1SWolfram Sang * Chip is combined proximity and ambient light sensor. 5610387d1SWolfram Sang * 6610387d1SWolfram Sang * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 7610387d1SWolfram Sang * 8610387d1SWolfram Sang * Contact: Samu Onkalo <[email protected]> 9610387d1SWolfram Sang */ 10610387d1SWolfram Sang 11610387d1SWolfram Sang #ifndef __APDS990X_H__ 12610387d1SWolfram Sang #define __APDS990X_H__ 13610387d1SWolfram Sang 14610387d1SWolfram Sang 15610387d1SWolfram Sang #define APDS_IRLED_CURR_12mA 0x3 16610387d1SWolfram Sang #define APDS_IRLED_CURR_25mA 0x2 17610387d1SWolfram Sang #define APDS_IRLED_CURR_50mA 0x1 18610387d1SWolfram Sang #define APDS_IRLED_CURR_100mA 0x0 19610387d1SWolfram Sang 20610387d1SWolfram Sang /** 21610387d1SWolfram Sang * struct apds990x_chip_factors - defines effect of the cover window 22610387d1SWolfram Sang * @ga: Total glass attenuation 23610387d1SWolfram Sang * @cf1: clear channel factor 1 for raw to lux conversion 24610387d1SWolfram Sang * @irf1: IR channel factor 1 for raw to lux conversion 25610387d1SWolfram Sang * @cf2: clear channel factor 2 for raw to lux conversion 26610387d1SWolfram Sang * @irf2: IR channel factor 2 for raw to lux conversion 27610387d1SWolfram Sang * @df: device factor for conversion formulas 28610387d1SWolfram Sang * 29610387d1SWolfram Sang * Structure for tuning ALS calculation to match with environment. 30610387d1SWolfram Sang * Values depend on the material above the sensor and the sensor 31610387d1SWolfram Sang * itself. If the GA is zero, driver will use uncovered sensor default values 32610387d1SWolfram Sang * format: decimal value * APDS_PARAM_SCALE except df which is plain integer. 33610387d1SWolfram Sang */ 34610387d1SWolfram Sang #define APDS_PARAM_SCALE 4096 35610387d1SWolfram Sang struct apds990x_chip_factors { 36610387d1SWolfram Sang int ga; 37610387d1SWolfram Sang int cf1; 38610387d1SWolfram Sang int irf1; 39610387d1SWolfram Sang int cf2; 40610387d1SWolfram Sang int irf2; 41610387d1SWolfram Sang int df; 42610387d1SWolfram Sang }; 43610387d1SWolfram Sang 44610387d1SWolfram Sang /** 45610387d1SWolfram Sang * struct apds990x_platform_data - platform data for apsd990x.c driver 46610387d1SWolfram Sang * @cf: chip factor data 47610387d1SWolfram Sang * @pddrive: IR-led driving current 48610387d1SWolfram Sang * @ppcount: number of IR pulses used for proximity estimation 49610387d1SWolfram Sang * @setup_resources: interrupt line setup call back function 50610387d1SWolfram Sang * @release_resources: interrupt line release call back function 51610387d1SWolfram Sang * 52610387d1SWolfram Sang * Proximity detection result depends heavily on correct ppcount, pdrive 53610387d1SWolfram Sang * and cover window. 54610387d1SWolfram Sang * 55610387d1SWolfram Sang */ 56610387d1SWolfram Sang 57610387d1SWolfram Sang struct apds990x_platform_data { 58610387d1SWolfram Sang struct apds990x_chip_factors cf; 59610387d1SWolfram Sang u8 pdrive; 60610387d1SWolfram Sang u8 ppcount; 61610387d1SWolfram Sang int (*setup_resources)(void); 62610387d1SWolfram Sang int (*release_resources)(void); 63610387d1SWolfram Sang }; 64610387d1SWolfram Sang 65610387d1SWolfram Sang #endif 66