| /* | |
| * 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 |