| /* |
| * 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 |
