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53 lines
1.8 KiB
53 lines
1.8 KiB
/* |
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* This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver. |
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* Chip is combined proximity and ambient light sensor. |
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* |
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* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* |
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* Contact: Samu Onkalo <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* version 2 as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
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* 02110-1301 USA |
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* |
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*/ |
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#ifndef __BH1770_H__ |
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#define __BH1770_H__ |
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/** |
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* struct bh1770_platform_data - platform data for bh1770glc driver |
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* @led_def_curr: IR led driving current. |
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* @glass_attenuation: Attenuation factor for covering window. |
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* @setup_resources: Call back for interrupt line setup function |
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* @release_resources: Call back for interrupte line release function |
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* |
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* Example of glass attenuation: 16384 * 385 / 100 means attenuation factor |
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* of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 |
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*/ |
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struct bh1770_platform_data { |
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#define BH1770_LED_5mA 0 |
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#define BH1770_LED_10mA 1 |
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#define BH1770_LED_20mA 2 |
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#define BH1770_LED_50mA 3 |
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#define BH1770_LED_100mA 4 |
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#define BH1770_LED_150mA 5 |
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#define BH1770_LED_200mA 6 |
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__u8 led_def_curr; |
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#define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ |
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__u32 glass_attenuation; |
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int (*setup_resources)(void); |
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int (*release_resources)(void); |
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}; |
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#endif
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