linux-imx

// SPDX-License-Identifier: GPL-2.0+

/*

 * apds9960.c - Support for Avago APDS9960 gesture/RGB/ALS/proximity sensor

 *

 * Copyright (C) 2015, 2018

 * Author: Matt Ranostay <matt.ranostay@konsulko.com>

 *

 * TODO: gesture + proximity calib offsets

 */

​

#include <linux/module.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/delay.h>

#include <linux/mutex.h>

#include <linux/err.h>

#include <linux/irq.h>

#include <linux/gpio.h>

#include <linux/i2c.h>

#include <linux/pm_runtime.h>

#include <linux/regmap.h>

#include <linux/iio/iio.h>

#include <linux/iio/buffer.h>

#include <linux/iio/events.h>

#include <linux/iio/kfifo_buf.h>

#include <linux/iio/sysfs.h>

#include <linux/of_gpio.h>

​

#define APDS9960_REGMAP_NAME    "apds9960_regmap"

#define APDS9960_DRV_NAME   "apds9960"

​

#define APDS9960_REG_RAM_START  0x00

#define APDS9960_REG_RAM_END    0x7f

​

#define APDS9960_REG_ENABLE 0x80

#define APDS9960_REG_ATIME  0x81

#define APDS9960_REG_WTIME  0x83

​

#define APDS9960_REG_AILTL  0x84

#define APDS9960_REG_AILTH  0x85

#define APDS9960_REG_AIHTL  0x86

#define APDS9960_REG_AIHTH  0x87

​

#define APDS9960_REG_PILT   0x89

#define APDS9960_REG_PIHT   0x8b

#define APDS9960_REG_PERS   0x8c

​

#define APDS9960_REG_CONFIG_1   0x8d

#define APDS9960_REG_PPULSE 0x8e

​

#define APDS9960_REG_CONTROL    0x8f

#define APDS9960_REG_CONTROL_AGAIN_MASK     0x03

#define APDS9960_REG_CONTROL_PGAIN_MASK     0x0c

#define APDS9960_REG_CONTROL_AGAIN_MASK_SHIFT   0

#define APDS9960_REG_CONTROL_PGAIN_MASK_SHIFT   2

​

#define APDS9960_REG_CONFIG_2   0x90

#define APDS9960_REG_CONFIG_2_GGAIN_MASK    0x60

#define APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT  5

​

#define APDS9960_REG_ID     0x92

​

#define APDS9960_REG_STATUS 0x93

#define APDS9960_REG_STATUS_PS_INT  BIT(5)

#define APDS9960_REG_STATUS_ALS_INT BIT(4)

#define APDS9960_REG_STATUS_GINT    BIT(2)

​

#define APDS9960_REG_PDATA  0x9c

#define APDS9960_REG_POFFSET_UR 0x9d

#define APDS9960_REG_POFFSET_DL 0x9e

#define APDS9960_REG_CONFIG_3   0x9f

​

#define APDS9960_REG_GPENTH 0xa0

#define APDS9960_REG_GEXTH  0xa1

​

#define APDS9960_REG_GCONF_1    0xa2

#define APDS9960_REG_GCONF_1_GFIFO_THRES_MASK       0xc0

#define APDS9960_REG_GCONF_1_GFIFO_THRES_MASK_SHIFT 6

​

#define APDS9960_REG_GCONF_2    0xa3

#define APDS9960_REG_GOFFSET_U  0xa4

#define APDS9960_REG_GOFFSET_D  0xa5

#define APDS9960_REG_GPULSE 0xa6

#define APDS9960_REG_GOFFSET_L  0xa7

#define APDS9960_REG_GOFFSET_R  0xa9

#define APDS9960_REG_GCONF_3    0xaa

​

#define APDS9960_REG_GCONF_4    0xab

#define APDS9960_REG_GFLVL  0xae

#define APDS9960_REG_GSTATUS    0xaf

​

#define APDS9960_REG_IFORCE 0xe4