1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * This file is part of the APDS990x 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 __APDS990X_H__ |
12 | #define __APDS990X_H__ |
13 | |
14 | |
15 | #define APDS_IRLED_CURR_12mA 0x3 |
16 | #define APDS_IRLED_CURR_25mA 0x2 |
17 | #define APDS_IRLED_CURR_50mA 0x1 |
18 | #define APDS_IRLED_CURR_100mA 0x0 |
19 | |
20 | /** |
21 | * struct apds990x_chip_factors - defines effect of the cover window |
22 | * @ga: Total glass attenuation |
23 | * @cf1: clear channel factor 1 for raw to lux conversion |
24 | * @irf1: IR channel factor 1 for raw to lux conversion |
25 | * @cf2: clear channel factor 2 for raw to lux conversion |
26 | * @irf2: IR channel factor 2 for raw to lux conversion |
27 | * @df: device factor for conversion formulas |
28 | * |
29 | * Structure for tuning ALS calculation to match with environment. |
30 | * Values depend on the material above the sensor and the sensor |
31 | * itself. If the GA is zero, driver will use uncovered sensor default values |
32 | * format: decimal value * APDS_PARAM_SCALE except df which is plain integer. |
33 | */ |
34 | #define APDS_PARAM_SCALE 4096 |
35 | struct apds990x_chip_factors { |
36 | int ga; |
37 | int cf1; |
38 | int irf1; |
39 | int cf2; |
40 | int irf2; |
41 | int df; |
42 | }; |
43 | |
44 | /** |
45 | * struct apds990x_platform_data - platform data for apsd990x.c driver |
46 | * @cf: chip factor data |
47 | * @pddrive: IR-led driving current |
48 | * @ppcount: number of IR pulses used for proximity estimation |
49 | * @setup_resources: interrupt line setup call back function |
50 | * @release_resources: interrupt line release call back function |
51 | * |
52 | * Proximity detection result depends heavily on correct ppcount, pdrive |
53 | * and cover window. |
54 | * |
55 | */ |
56 | |
57 | struct apds990x_platform_data { |
58 | struct apds990x_chip_factors cf; |
59 | u8 pdrive; |
60 | u8 ppcount; |
61 | int (*setup_resources)(void); |
62 | int (*release_resources)(void); |
63 | }; |
64 | |
65 | #endif |
66 | |