| Samu Onkalo | 190420a | 2010-10-26 14:22:37 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver. |
| 3 | * Chip is combined proximity and ambient light sensor. |
| 4 | * |
| 5 | * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
| 6 | * |
| 7 | * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License |
| 11 | * version 2 as published by the Free Software Foundation. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 21 | * 02110-1301 USA |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #ifndef __BH1770_H__ |
| 26 | #define __BH1770_H__ |
| 27 | |
| 28 | /** |
| 29 | * struct bh1770_platform_data - platform data for bh1770glc driver |
| 30 | * @led_def_curr: IR led driving current. |
| 31 | * @glass_attenuation: Attenuation factor for covering window. |
| 32 | * @setup_resources: Call back for interrupt line setup function |
| 33 | * @release_resources: Call back for interrupte line release function |
| 34 | * |
| 35 | * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor |
| 36 | * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 |
| 37 | */ |
| 38 | |
| 39 | struct bh1770_platform_data { |
| 40 | #define BH1770_LED_5mA 0 |
| 41 | #define BH1770_LED_10mA 1 |
| 42 | #define BH1770_LED_20mA 2 |
| 43 | #define BH1770_LED_50mA 3 |
| 44 | #define BH1770_LED_100mA 4 |
| 45 | #define BH1770_LED_150mA 5 |
| 46 | #define BH1770_LED_200mA 6 |
| 47 | __u8 led_def_curr; |
| 48 | #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ |
| 49 | __u32 glass_attenuation; |
| 50 | int (*setup_resources)(void); |
| 51 | int (*release_resources)(void); |
| 52 | }; |
| 53 | #endif |