/* 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 0 x3
#define APDS_IRLED_CURR_25mA 0 x2
#define APDS_IRLED_CURR_50mA 0 x1
#define APDS_IRLED_CURR_100mA 0 x0
/**
* 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
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