1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * This file is part of the APDS990x sensor driver. 4*4882a593Smuzhiyun * Chip is combined proximity and ambient light sensor. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef __APDS990X_H__ 12*4882a593Smuzhiyun #define __APDS990X_H__ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define APDS_IRLED_CURR_12mA 0x3 16*4882a593Smuzhiyun #define APDS_IRLED_CURR_25mA 0x2 17*4882a593Smuzhiyun #define APDS_IRLED_CURR_50mA 0x1 18*4882a593Smuzhiyun #define APDS_IRLED_CURR_100mA 0x0 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /** 21*4882a593Smuzhiyun * struct apds990x_chip_factors - defines effect of the cover window 22*4882a593Smuzhiyun * @ga: Total glass attenuation 23*4882a593Smuzhiyun * @cf1: clear channel factor 1 for raw to lux conversion 24*4882a593Smuzhiyun * @irf1: IR channel factor 1 for raw to lux conversion 25*4882a593Smuzhiyun * @cf2: clear channel factor 2 for raw to lux conversion 26*4882a593Smuzhiyun * @irf2: IR channel factor 2 for raw to lux conversion 27*4882a593Smuzhiyun * @df: device factor for conversion formulas 28*4882a593Smuzhiyun * 29*4882a593Smuzhiyun * Structure for tuning ALS calculation to match with environment. 30*4882a593Smuzhiyun * Values depend on the material above the sensor and the sensor 31*4882a593Smuzhiyun * itself. If the GA is zero, driver will use uncovered sensor default values 32*4882a593Smuzhiyun * format: decimal value * APDS_PARAM_SCALE except df which is plain integer. 33*4882a593Smuzhiyun */ 34*4882a593Smuzhiyun #define APDS_PARAM_SCALE 4096 35*4882a593Smuzhiyun struct apds990x_chip_factors { 36*4882a593Smuzhiyun int ga; 37*4882a593Smuzhiyun int cf1; 38*4882a593Smuzhiyun int irf1; 39*4882a593Smuzhiyun int cf2; 40*4882a593Smuzhiyun int irf2; 41*4882a593Smuzhiyun int df; 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /** 45*4882a593Smuzhiyun * struct apds990x_platform_data - platform data for apsd990x.c driver 46*4882a593Smuzhiyun * @cf: chip factor data 47*4882a593Smuzhiyun * @pddrive: IR-led driving current 48*4882a593Smuzhiyun * @ppcount: number of IR pulses used for proximity estimation 49*4882a593Smuzhiyun * @setup_resources: interrupt line setup call back function 50*4882a593Smuzhiyun * @release_resources: interrupt line release call back function 51*4882a593Smuzhiyun * 52*4882a593Smuzhiyun * Proximity detection result depends heavily on correct ppcount, pdrive 53*4882a593Smuzhiyun * and cover window. 54*4882a593Smuzhiyun * 55*4882a593Smuzhiyun */ 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun struct apds990x_platform_data { 58*4882a593Smuzhiyun struct apds990x_chip_factors cf; 59*4882a593Smuzhiyun u8 pdrive; 60*4882a593Smuzhiyun u8 ppcount; 61*4882a593Smuzhiyun int (*setup_resources)(void); 62*4882a593Smuzhiyun int (*release_resources)(void); 63*4882a593Smuzhiyun }; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun #endif 66