| /* |
| * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 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 __BH1770_H__ |
| #define __BH1770_H__ |
| |
| /** |
| * struct bh1770_platform_data - platform data for bh1770glc driver |
| * @led_def_curr: IR led driving current. |
| * @glass_attenuation: Attenuation factor for covering window. |
| * @setup_resources: Call back for interrupt line setup function |
| * @release_resources: Call back for interrupte line release function |
| * |
| * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor |
| * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 |
| */ |
| |
| struct bh1770_platform_data { |
| #define BH1770_LED_5mA 0 |
| #define BH1770_LED_10mA 1 |
| #define BH1770_LED_20mA 2 |
| #define BH1770_LED_50mA 3 |
| #define BH1770_LED_100mA 4 |
| #define BH1770_LED_150mA 5 |
| #define BH1770_LED_200mA 6 |
| __u8 led_def_curr; |
| #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ |
| __u32 glass_attenuation; |
| int (*setup_resources)(void); |
| int (*release_resources)(void); |
| }; |
| #endif |