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