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/***********************************************************************
**
** Copyright (C), 2013-2015, Yulong Tech. Co., Ltd.
** FileName: ltr558.h
** Description: Linux device driver for ltr558 ambient light and proximity sensors
** Author: longjiang
** Version: 1.00
** Date: 2013-09-25
**
***********************************************************************/
#ifndef __LTR558_H__
#define __LTR558_H__
#include <linux/sensors/alsprox_common.h>
#define LTR558_DRIVER_NAME "ltr558"
#define LTR558_DEVICE_NAME ALSPROX_DEVICE_NAME
#define LTR558_INPUT_NAME_L "ltr558_light"
#define LTR558_INPUT_NAME_P "ltr558_proximity"
/* ioctl numbers*/
#define LTR558_IOCTL_ALS_ON ALSPROX_IOCTL_ALS_ON
#define LTR558_IOCTL_ALS_OFF ALSPROX_IOCTL_ALS_OFF
#define LTR558_IOCTL_PROX_ON ALSPROX_IOCTL_PROX_ON
#define LTR558_IOCTL_PROX_OFF ALSPROX_IOCTL_PROX_OFF
#define LTR558_IOCTL_PROX_OFFSET ALSPROX_IOCTL_PROX_OFFSET
#define LTR558_IOCTL_PROX_CALIBRATE ALSPROX_IOCTL_PROX_CALIBRATE
/* LTR-558 Registers */
#define LTR558_ALS_CONTR 0x80
#define LTR558_PS_CONTR 0x81
#define LTR558_PS_LED 0x82
#define LTR558_PS_N_PULSES 0x83
#define LTR558_PS_MEAS_RATE 0x84
#define LTR558_ALS_MEAS_RATE 0x85
#define LTR558_MANUFACTURER_ID 0x87
#define LTR558_INTERRUPT 0x8F
#define LTR558_PS_THRES_UP_0 0x90
#define LTR558_PS_THRES_UP_1 0x91
#define LTR558_PS_THRES_LOW_0 0x92
#define LTR558_PS_THRES_LOW_1 0x93
#define LTR558_ALS_THRES_UP_0 0x97
#define LTR558_ALS_THRES_UP_1 0x98
#define LTR558_ALS_THRES_LOW_0 0x99
#define LTR558_ALS_THRES_LOW_1 0x9A
#define LTR558_INTERRUPT_PERSIST 0x9E
/* 558's Read Only Registers */
#define LTR558_ALS_DATA_CH1_0 0x88
#define LTR558_ALS_DATA_CH1_1 0x89
#define LTR558_ALS_DATA_CH0_0 0x8A
#define LTR558_ALS_DATA_CH0_1 0x8B
#define LTR558_ALS_PS_STATUS 0x8C
#define LTR558_PS_DATA_0 0x8D
#define LTR558_PS_DATA_1 0x8E
/* Basic Operating Modes */
#define LTR558_MODE_ALS_ON_Range1 0x0b //0x3B
#define LTR558_MODE_ALS_ON_Range2 0x03 //0x33
#define LTR558_MODE_ALS_StdBy 0x00
#define LTR558_MODE_PS_ON_Gain1 0x03
#define LTR558_MODE_PS_ON_Gain4 0x07
#define LTR558_MODE_PS_ON_Gain8 0x0B
#define LTR558_MODE_PS_ON_Gain16 0x0f //0x0C
#define LTR558_MODE_PS_StdBy 0x00
#define LTR558_PS_RANGE1 1
#define LTR558_PS_RANGE2 2
#define LTR558_PS_RANGE4 4
#define LTR558_PS_RANGE8 8
#define LTR558_ALS_RANGE1_320 1
#define LTR558_ALS_RANGE2_64K 2
/* Power On response time in ms */
#define LTR558_PON_DELAY 600
#define LTR558_WAKEUP_DELAY 10
struct ltr558_platform_data {
int gpio_int;
unsigned int irq_gpio_flags;
int als_coff1;
int als_coff2;
int (*init)(void);
void (*exit)(void);
int (*power_on)(void);
int (*power_off)(void);
int (*suspend)(void);
int (*resume)(void);
};
#endif
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