#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/i2c/apds990x.h>

Data Structures
struct	reverse_factors

struct	apds990x_chip

Macros
#define	APDS990X_ENABLE 0x00 /* Enable of states and interrupts */

#define	APDS990X_ATIME 0x01 /* ALS ADC time */

#define	APDS990X_PTIME 0x02 /* Proximity ADC time */

#define	APDS990X_WTIME 0x03 /* Wait time */

#define	APDS990X_AILTL 0x04 /* ALS interrupt low threshold low byte */

#define	APDS990X_AILTH 0x05 /* ALS interrupt low threshold hi byte */

#define	APDS990X_AIHTL 0x06 /* ALS interrupt hi threshold low byte */

#define	APDS990X_AIHTH 0x07 /* ALS interrupt hi threshold hi byte */

#define	APDS990X_PILTL 0x08 /* Proximity interrupt low threshold low byte */

#define	APDS990X_PILTH 0x09 /* Proximity interrupt low threshold hi byte */

#define	APDS990X_PIHTL 0x0a /* Proximity interrupt hi threshold low byte */

#define	APDS990X_PIHTH 0x0b /* Proximity interrupt hi threshold hi byte */

#define	APDS990X_PERS 0x0c /* Interrupt persistence filters */

#define	APDS990X_CONFIG 0x0d /* Configuration */

#define	APDS990X_PPCOUNT 0x0e /* Proximity pulse count */

#define	APDS990X_CONTROL 0x0f /* Gain control register */

#define	APDS990X_REV 0x11 /* Revision Number */

#define	APDS990X_ID 0x12 /* Device ID */

#define	APDS990X_STATUS 0x13 /* Device status */

#define	APDS990X_CDATAL 0x14 /* Clear ADC low data register */

#define	APDS990X_CDATAH 0x15 /* Clear ADC high data register */

#define	APDS990X_IRDATAL 0x16 /* IR ADC low data register */

#define	APDS990X_IRDATAH 0x17 /* IR ADC high data register */

#define	APDS990X_PDATAL 0x18 /* Proximity ADC low data register */

#define	APDS990X_PDATAH 0x19 /* Proximity ADC high data register */

#define	APDS990X_MAX_AGAIN 3

#define	APDS990X_EN_PIEN (0x1 << 5)

#define	APDS990X_EN_AIEN (0x1 << 4)

#define	APDS990X_EN_WEN (0x1 << 3)

#define	APDS990X_EN_PEN (0x1 << 2)

#define	APDS990X_EN_AEN (0x1 << 1)

#define	APDS990X_EN_PON (0x1 << 0)

#define	APDS990X_EN_DISABLE_ALL 0

#define	APDS990X_ST_PINT (0x1 << 5)

#define	APDS990X_ST_AINT (0x1 << 4)

#define	APDS990x_CMD_TYPE_MASK (0x03 << 5)

#define	APDS990x_CMD_TYPE_RB (0x00 << 5) /* Repeated byte */

#define	APDS990x_CMD_TYPE_INC (0x01 << 5) /* Auto increment */

#define	APDS990x_CMD_TYPE_SPE (0x03 << 5) /* Special function */

#define	APDS990x_ADDR_SHIFT 0

#define	APDS990x_CMD 0x80

#define	APDS990X_INT_ACK_ALS 0x6

#define	APDS990X_INT_ACK_PS 0x5

#define	APDS990X_INT_ACK_BOTH 0x7

#define	APDS990X_PTIME_DEFAULT 0xff /* Recommended conversion time 2.7ms*/

#define	APDS990X_WTIME_DEFAULT 0xee /* ~50ms wait time */

#define	APDS990X_TIME_TO_ADC 1024 /* One timetick as ADC count value */

#define	APDS990X_APERS_SHIFT 0

#define	APDS990X_PPERS_SHIFT 4

#define	APDS990X_ID_0 0x0

#define	APDS990X_ID_4 0x4

#define	APDS990X_ID_29 0x29

#define	APDS_PGAIN_1X 0x0

#define	APDS_PDIODE_IR 0x2

#define	APDS990X_LUX_OUTPUT_SCALE 10

#define	APDS_CALIB_SCALER 8192

#define	APDS_LUX_NEUTRAL_CALIB_VALUE (1 * APDS_CALIB_SCALER)

#define	APDS_PROX_NEUTRAL_CALIB_VALUE (1 * APDS_CALIB_SCALER)

#define	APDS_PROX_DEF_THRES 600

#define	APDS_PROX_HYSTERESIS 50

#define	APDS_LUX_DEF_THRES_HI 101

#define	APDS_LUX_DEF_THRES_LO 100

#define	APDS_DEFAULT_PROX_PERS 1

#define	APDS_TIMEOUT 2000

#define	APDS_STARTUP_DELAY 25000 /* us */

#define	APDS_RANGE 65535

#define	APDS_PROX_RANGE 1023

#define	APDS_LUX_GAIN_LO_LIMIT 100

#define	APDS_LUX_GAIN_LO_LIMIT_STRICT 25

#define	TIMESTEP 87 /* 2.7ms is about 87 / 32 */

#define	TIME_STEP_SCALER 32

#define	APDS_LUX_AVERAGING_TIME 50 /* tolerates 50/60Hz ripple */

#define	APDS_LUX_DEFAULT_RATE 200

#define	apds990x_suspend NULL

#define	apds990x_resume NULL

#define	apds990x_shutdown NULL

Functions
	MODULE_DEVICE_TABLE (i2c, apds990x_id)

	module_i2c_driver (apds990x_driver)

	MODULE_DESCRIPTION ("APDS990X combined ALS and proximity sensor")

	MODULE_AUTHOR ("Samu Onkalo, Nokia Corporation")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define APDS990x_ADDR_SHIFT 0

Definition at line 86 of file apds990x.c.

#define APDS990X_AIHTH 0x07 /* ALS interrupt hi threshold hi byte */

Definition at line 45 of file apds990x.c.

#define APDS990X_AIHTL 0x06 /* ALS interrupt hi threshold low byte */

Definition at line 44 of file apds990x.c.

#define APDS990X_AILTH 0x05 /* ALS interrupt low threshold hi byte */

Definition at line 43 of file apds990x.c.

#define APDS990X_AILTL 0x04 /* ALS interrupt low threshold low byte */

Definition at line 42 of file apds990x.c.

#define APDS990X_APERS_SHIFT 0

Definition at line 103 of file apds990x.c.

#define APDS990X_ATIME 0x01 /* ALS ADC time */

Definition at line 39 of file apds990x.c.

#define APDS990X_CDATAH 0x15 /* Clear ADC high data register */

Definition at line 58 of file apds990x.c.

#define APDS990X_CDATAL 0x14 /* Clear ADC low data register */

Definition at line 57 of file apds990x.c.

#define APDS990x_CMD 0x80

Definition at line 87 of file apds990x.c.

#define APDS990x_CMD_TYPE_INC (0x01 << 5) /* Auto increment */

Definition at line 83 of file apds990x.c.

#define APDS990x_CMD_TYPE_MASK (0x03 << 5)

Definition at line 81 of file apds990x.c.

#define APDS990x_CMD_TYPE_RB (0x00 << 5) /* Repeated byte */

Definition at line 82 of file apds990x.c.

#define APDS990x_CMD_TYPE_SPE (0x03 << 5) /* Special function */

Definition at line 84 of file apds990x.c.

#define APDS990X_CONFIG 0x0d /* Configuration */

Definition at line 51 of file apds990x.c.

#define APDS990X_CONTROL 0x0f /* Gain control register */

Definition at line 53 of file apds990x.c.

#define APDS990X_EN_AEN (0x1 << 1)

Definition at line 72 of file apds990x.c.

#define APDS990X_EN_AIEN (0x1 << 4)

Definition at line 69 of file apds990x.c.

#define APDS990X_EN_DISABLE_ALL 0

Definition at line 74 of file apds990x.c.

#define APDS990X_EN_PEN (0x1 << 2)

Definition at line 71 of file apds990x.c.

#define APDS990X_EN_PIEN (0x1 << 5)

Definition at line 68 of file apds990x.c.

#define APDS990X_EN_PON (0x1 << 0)

Definition at line 73 of file apds990x.c.

#define APDS990X_EN_WEN (0x1 << 3)

Definition at line 70 of file apds990x.c.

#define APDS990X_ENABLE 0x00 /* Enable of states and interrupts */

Definition at line 38 of file apds990x.c.

#define APDS990X_ID 0x12 /* Device ID */

Definition at line 55 of file apds990x.c.

#define APDS990X_ID_0 0x0

Definition at line 107 of file apds990x.c.

#define APDS990X_ID_29 0x29

Definition at line 109 of file apds990x.c.

#define APDS990X_ID_4 0x4

Definition at line 108 of file apds990x.c.

#define APDS990X_INT_ACK_ALS 0x6

Definition at line 90 of file apds990x.c.

#define APDS990X_INT_ACK_BOTH 0x7

Definition at line 92 of file apds990x.c.

#define APDS990X_INT_ACK_PS 0x5

Definition at line 91 of file apds990x.c.

#define APDS990X_IRDATAH 0x17 /* IR ADC high data register */

Definition at line 60 of file apds990x.c.

#define APDS990X_IRDATAL 0x16 /* IR ADC low data register */

Definition at line 59 of file apds990x.c.

#define APDS990X_LUX_OUTPUT_SCALE 10

Definition at line 115 of file apds990x.c.

#define APDS990X_MAX_AGAIN 3

Definition at line 65 of file apds990x.c.

#define APDS990X_PDATAH 0x19 /* Proximity ADC high data register */

Definition at line 62 of file apds990x.c.

#define APDS990X_PDATAL 0x18 /* Proximity ADC low data register */

Definition at line 61 of file apds990x.c.

#define APDS990X_PERS 0x0c /* Interrupt persistence filters */

Definition at line 50 of file apds990x.c.

#define APDS990X_PIHTH 0x0b /* Proximity interrupt hi threshold hi byte */

Definition at line 49 of file apds990x.c.

#define APDS990X_PIHTL 0x0a /* Proximity interrupt hi threshold low byte */

Definition at line 48 of file apds990x.c.

#define APDS990X_PILTH 0x09 /* Proximity interrupt low threshold hi byte */

Definition at line 47 of file apds990x.c.

#define APDS990X_PILTL 0x08 /* Proximity interrupt low threshold low byte */

Definition at line 46 of file apds990x.c.

#define APDS990X_PPCOUNT 0x0e /* Proximity pulse count */

Definition at line 52 of file apds990x.c.

#define APDS990X_PPERS_SHIFT 4

Definition at line 104 of file apds990x.c.

#define APDS990X_PTIME 0x02 /* Proximity ADC time */

Definition at line 40 of file apds990x.c.

#define APDS990X_PTIME_DEFAULT 0xff /* Recommended conversion time 2.7ms*/

Definition at line 95 of file apds990x.c.

#define apds990x_resume NULL

Definition at line 1232 of file apds990x.c.

#define APDS990X_REV 0x11 /* Revision Number */

Definition at line 54 of file apds990x.c.

#define apds990x_shutdown NULL

Definition at line 1233 of file apds990x.c.

#define APDS990X_ST_AINT (0x1 << 4)

Definition at line 78 of file apds990x.c.

#define APDS990X_ST_PINT (0x1 << 5)

Definition at line 77 of file apds990x.c.

#define APDS990X_STATUS 0x13 /* Device status */

Definition at line 56 of file apds990x.c.

#define apds990x_suspend NULL

Definition at line 1231 of file apds990x.c.

#define APDS990X_TIME_TO_ADC 1024 /* One timetick as ADC count value */

Definition at line 100 of file apds990x.c.

#define APDS990X_WTIME 0x03 /* Wait time */

Definition at line 41 of file apds990x.c.

#define APDS990X_WTIME_DEFAULT 0xee /* ~50ms wait time */

Definition at line 98 of file apds990x.c.

#define APDS_CALIB_SCALER 8192

Definition at line 167 of file apds990x.c.

#define APDS_DEFAULT_PROX_PERS 1

Definition at line 175 of file apds990x.c.

#define APDS_LUX_AVERAGING_TIME 50 /* tolerates 50/60Hz ripple */

Definition at line 187 of file apds990x.c.

#define APDS_LUX_DEF_THRES_HI 101

Definition at line 173 of file apds990x.c.

#define APDS_LUX_DEF_THRES_LO 100

Definition at line 174 of file apds990x.c.

#define APDS_LUX_DEFAULT_RATE 200

Definition at line 188 of file apds990x.c.

#define APDS_LUX_GAIN_LO_LIMIT 100

Definition at line 181 of file apds990x.c.

#define APDS_LUX_GAIN_LO_LIMIT_STRICT 25

Definition at line 182 of file apds990x.c.

#define APDS_LUX_NEUTRAL_CALIB_VALUE (1 * APDS_CALIB_SCALER)

Definition at line 168 of file apds990x.c.

#define APDS_PDIODE_IR 0x2

Definition at line 113 of file apds990x.c.

#define APDS_PGAIN_1X 0x0

Definition at line 112 of file apds990x.c.

#define APDS_PROX_DEF_THRES 600

Definition at line 171 of file apds990x.c.

#define APDS_PROX_HYSTERESIS 50

Definition at line 172 of file apds990x.c.

#define APDS_PROX_NEUTRAL_CALIB_VALUE (1 * APDS_CALIB_SCALER)

Definition at line 169 of file apds990x.c.

#define APDS_PROX_RANGE 1023

Definition at line 180 of file apds990x.c.

#define APDS_RANGE 65535

Definition at line 179 of file apds990x.c.

#define APDS_STARTUP_DELAY 25000 /* us */

Definition at line 178 of file apds990x.c.

#define APDS_TIMEOUT 2000

Definition at line 177 of file apds990x.c.

#define TIME_STEP_SCALER 32

Definition at line 185 of file apds990x.c.

#define TIMESTEP 87 /* 2.7ms is about 87 / 32 */

Definition at line 184 of file apds990x.c.

Function Documentation

MODULE_AUTHOR	(	"Samu	Onkalo,
		Nokia Corporation"
	)

MODULE_DESCRIPTION ( "APDS990X combined ALS and proximity sensor" )

MODULE_DEVICE_TABLE	(	i2c	,
		apds990x_id
	)

module_i2c_driver ( apds990x_driver )

MODULE_LICENSE ( "GPL v2" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation