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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /include/linux/platform_data/apds990x.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/platform_data/apds990x.h')
-rw-r--r-- | include/linux/platform_data/apds990x.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/linux/platform_data/apds990x.h b/include/linux/platform_data/apds990x.h new file mode 100644 index 000000000..94dfbaa36 --- /dev/null +++ b/include/linux/platform_data/apds990x.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * This file is part of the APDS990x sensor driver. + * Chip is combined proximity and ambient light sensor. + * + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + */ + +#ifndef __APDS990X_H__ +#define __APDS990X_H__ + + +#define APDS_IRLED_CURR_12mA 0x3 +#define APDS_IRLED_CURR_25mA 0x2 +#define APDS_IRLED_CURR_50mA 0x1 +#define APDS_IRLED_CURR_100mA 0x0 + +/** + * struct apds990x_chip_factors - defines effect of the cover window + * @ga: Total glass attenuation + * @cf1: clear channel factor 1 for raw to lux conversion + * @irf1: IR channel factor 1 for raw to lux conversion + * @cf2: clear channel factor 2 for raw to lux conversion + * @irf2: IR channel factor 2 for raw to lux conversion + * @df: device factor for conversion formulas + * + * Structure for tuning ALS calculation to match with environment. + * Values depend on the material above the sensor and the sensor + * itself. If the GA is zero, driver will use uncovered sensor default values + * format: decimal value * APDS_PARAM_SCALE except df which is plain integer. + */ +#define APDS_PARAM_SCALE 4096 +struct apds990x_chip_factors { + int ga; + int cf1; + int irf1; + int cf2; + int irf2; + int df; +}; + +/** + * struct apds990x_platform_data - platform data for apsd990x.c driver + * @cf: chip factor data + * @pddrive: IR-led driving current + * @ppcount: number of IR pulses used for proximity estimation + * @setup_resources: interrupt line setup call back function + * @release_resources: interrupt line release call back function + * + * Proximity detection result depends heavily on correct ppcount, pdrive + * and cover window. + * + */ + +struct apds990x_platform_data { + struct apds990x_chip_factors cf; + u8 pdrive; + u8 ppcount; + int (*setup_resources)(void); + int (*release_resources)(void); +}; + +#endif |