1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * This file is part of the ROHM BH1770GLC / O 2 * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver.
4 * Chip is combined proximity and ambient ligh 3 * Chip is combined proximity and ambient light sensor.
5 * 4 *
6 * Copyright (C) 2010 Nokia Corporation and/or 5 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
7 * 6 *
8 * Contact: Samu Onkalo <samu.p.onkalo@nokia.c 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 *
9 */ 23 */
10 24
11 #ifndef __BH1770_H__ 25 #ifndef __BH1770_H__
12 #define __BH1770_H__ 26 #define __BH1770_H__
13 27
14 /** 28 /**
15 * struct bh1770_platform_data - platform data 29 * struct bh1770_platform_data - platform data for bh1770glc driver
16 * @led_def_curr: IR led driving current. 30 * @led_def_curr: IR led driving current.
17 * @glass_attenuation: Attenuation factor for 31 * @glass_attenuation: Attenuation factor for covering window.
18 * @setup_resources: Call back for interrupt l 32 * @setup_resources: Call back for interrupt line setup function
19 * @release_resources: Call back for interrupt 33 * @release_resources: Call back for interrupte line release function
20 * 34 *
21 * Example of glass attenuation: 16384 * 385 / 35 * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor
22 * of 3.85. i.e. light_above_sensor = light_ab 36 * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85
23 */ 37 */
24 38
25 struct bh1770_platform_data { 39 struct bh1770_platform_data {
26 #define BH1770_LED_5mA 0 40 #define BH1770_LED_5mA 0
27 #define BH1770_LED_10mA 1 41 #define BH1770_LED_10mA 1
28 #define BH1770_LED_20mA 2 42 #define BH1770_LED_20mA 2
29 #define BH1770_LED_50mA 3 43 #define BH1770_LED_50mA 3
30 #define BH1770_LED_100mA 4 44 #define BH1770_LED_100mA 4
31 #define BH1770_LED_150mA 5 45 #define BH1770_LED_150mA 5
32 #define BH1770_LED_200mA 6 46 #define BH1770_LED_200mA 6
33 __u8 led_def_curr; 47 __u8 led_def_curr;
34 #define BH1770_NEUTRAL_GA 16384 /* 16384 / 163 48 #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */
35 __u32 glass_attenuation; 49 __u32 glass_attenuation;
36 int (*setup_resources)(void); 50 int (*setup_resources)(void);
37 int (*release_resources)(void); 51 int (*release_resources)(void);
38 }; 52 };
39 #endif 53 #endif
40 54
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