Edit File: apds990x.h
/* * This file is part of the APDS990x 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 __APDS990X_H__ #define __APDS990X_H__ #define APDS_IRLED_CURR_12mA 0x3 #define APDS_IRLED_CURR_25mA 0x2 #define APDS_IRLED_CURR_50mA 0x1 #define APDS_IRLED_CURR_100mA 0x0 /** * struct apds990x_chip_factors - defines effect of the cover window * @ga: Total glass attenuation * @cf1: clear channel factor 1 for raw to lux conversion * @irf1: IR channel factor 1 for raw to lux conversion * @cf2: clear channel factor 2 for raw to lux conversion * @irf2: IR channel factor 2 for raw to lux conversion * @df: device factor for conversion formulas * * Structure for tuning ALS calculation to match with environment. * Values depend on the material above the sensor and the sensor * itself. If the GA is zero, driver will use uncovered sensor default values * format: decimal value * APDS_PARAM_SCALE except df which is plain integer. */ #define APDS_PARAM_SCALE 4096 struct apds990x_chip_factors { int ga; int cf1; int irf1; int cf2; int irf2; int df; }; /** * struct apds990x_platform_data - platform data for apsd990x.c driver * @cf: chip factor data * @pddrive: IR-led driving current * @ppcount: number of IR pulses used for proximity estimation * @setup_resources: interrupt line setup call back function * @release_resources: interrupt line release call back function * * Proximity detection result depends heavily on correct ppcount, pdrive * and cover window. * */ struct apds990x_platform_data { struct apds990x_chip_factors cf; u8 pdrive; u8 ppcount; int (*setup_resources)(void); int (*release_resources)(void); }; #endif