| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver. |
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| 4 | * Chip is combined proximity and ambient light sensor. |
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| 5 | * |
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| 6 | * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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| 7 | * |
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| 8 | * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef __BH1770_H__ |
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| 12 | #define __BH1770_H__ |
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| 13 | |
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| 14 | /** |
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| 15 | * struct bh1770_platform_data - platform data for bh1770glc driver |
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| 16 | * @led_def_curr: IR led driving current. |
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| 17 | * @glass_attenuation: Attenuation factor for covering window. |
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| 18 | * @setup_resources: Call back for interrupt line setup function |
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| 19 | * @release_resources: Call back for interrupte line release function |
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| 20 | * |
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| 21 | * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor |
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| 22 | * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 |
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| 23 | */ |
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| 24 | |
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| 25 | struct bh1770_platform_data { |
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| 26 | #define BH1770_LED_5mA 0 |
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| 27 | #define BH1770_LED_10mA 1 |
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| 28 | #define BH1770_LED_20mA 2 |
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| 29 | #define BH1770_LED_50mA 3 |
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| 30 | #define BH1770_LED_100mA 4 |
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| 31 | #define BH1770_LED_150mA 5 |
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| 32 | #define BH1770_LED_200mA 6 |
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| 33 | __u8 led_def_curr; |
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| 34 | #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ |
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| 35 | __u32 glass_attenuation; |
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| 36 | int (*setup_resources)(void); |
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| 37 | int (*release_resources)(void); |
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| 38 | }; |
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| 39 | #endif |
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| 40 | |
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