#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/i2c/bh1770glc.h>
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/slab.h>

Data Structures
struct	bh1770_chip

Macros
#define	BH1770_ALS_CONTROL 0x80 /* ALS operation mode control */

#define	BH1770_PS_CONTROL 0x81 /* PS operation mode control */

#define	BH1770_I_LED 0x82 /* active LED and LED1, LED2 current */

#define	BH1770_I_LED3 0x83 /* LED3 current setting */

#define	BH1770_ALS_PS_MEAS 0x84 /* Forced mode trigger */

#define	BH1770_PS_MEAS_RATE 0x85 /* PS meas. rate at stand alone mode */

#define	BH1770_ALS_MEAS_RATE 0x86 /* ALS meas. rate at stand alone mode */

#define	BH1770_PART_ID 0x8a /* Part number and revision ID */

#define	BH1770_MANUFACT_ID 0x8b /* Manufacturerer ID */

#define	BH1770_ALS_DATA_0 0x8c /* ALS DATA low byte */

#define	BH1770_ALS_DATA_1 0x8d /* ALS DATA high byte */

#define	BH1770_ALS_PS_STATUS 0x8e /* Measurement data and int status */

#define	BH1770_PS_DATA_LED1 0x8f /* PS data from LED1 */

#define	BH1770_PS_DATA_LED2 0x90 /* PS data from LED2 */

#define	BH1770_PS_DATA_LED3 0x91 /* PS data from LED3 */

#define	BH1770_INTERRUPT 0x92 /* Interrupt setting */

#define	BH1770_PS_TH_LED1 0x93 /* PS interrupt threshold for LED1 */

#define	BH1770_PS_TH_LED2 0x94 /* PS interrupt threshold for LED2 */

#define	BH1770_PS_TH_LED3 0x95 /* PS interrupt threshold for LED3 */

#define	BH1770_ALS_TH_UP_0 0x96 /* ALS upper threshold low byte */

#define	BH1770_ALS_TH_UP_1 0x97 /* ALS upper threshold high byte */

#define	BH1770_ALS_TH_LOW_0 0x98 /* ALS lower threshold low byte */

#define	BH1770_ALS_TH_LOW_1 0x99 /* ALS lower threshold high byte */

#define	BH1770_MANUFACT_ROHM 0x01

#define	BH1770_MANUFACT_OSRAM 0x03

#define	BH1770_PART 0x90

#define	BH1770_PART_MASK 0xf0

#define	BH1770_REV_MASK 0x0f

#define	BH1770_REV_SHIFT 0

#define	BH1770_REV_0 0x00

#define	BH1770_REV_1 0x01

#define	BH1770_STANDBY 0x00

#define	BH1770_FORCED 0x02

#define	BH1770_STANDALONE 0x03

#define	BH1770_SWRESET (0x01 << 2)

#define	BH1770_PS_TRIG_MEAS (1 << 0)

#define	BH1770_ALS_TRIG_MEAS (1 << 1)

#define	BH1770_INT_OUTPUT_MODE (1 << 3) /* 0 = latched */

#define	BH1770_INT_POLARITY (1 << 2) /* 1 = active high */

#define	BH1770_INT_ALS_ENA (1 << 1)

#define	BH1770_INT_PS_ENA (1 << 0)

#define	BH1770_INT_LED1_DATA (1 << 0)

#define	BH1770_INT_LED1_INT (1 << 1)

#define	BH1770_INT_LED2_DATA (1 << 2)

#define	BH1770_INT_LED2_INT (1 << 3)

#define	BH1770_INT_LED3_DATA (1 << 4)

#define	BH1770_INT_LED3_INT (1 << 5)

#define	BH1770_INT_LEDS_INT ((1 << 1) \| (1 << 3) \| (1 << 5))

#define	BH1770_INT_ALS_DATA (1 << 6)

#define	BH1770_INT_ALS_INT (1 << 7)

#define	BH1770_LED1 0x00

#define	BH1770_DISABLE 0

#define	BH1770_ENABLE 1

#define	BH1770_PROX_CHANNELS 1

#define	BH1770_LUX_DEFAULT_RATE 1 /* Index to lux rate table */

#define	BH1770_PROX_DEFAULT_RATE 1 /* Direct HW value =~ 50Hz */

#define	BH1770_PROX_DEF_RATE_THRESH 6 /* Direct HW value =~ 5 Hz */

#define	BH1770_STARTUP_DELAY 50

#define	BH1770_RESET_TIME 10

#define	BH1770_TIMEOUT 2100 /* Timeout in 2.1 seconds */

#define	BH1770_LUX_RANGE 65535

#define	BH1770_PROX_RANGE 255

#define	BH1770_COEF_SCALER 1024

#define	BH1770_CALIB_SCALER 8192

#define	BH1770_LUX_NEUTRAL_CALIB_VALUE (1 * BH1770_CALIB_SCALER)

#define	BH1770_LUX_DEF_THRES 1000

#define	BH1770_PROX_DEF_THRES 70

#define	BH1770_PROX_DEF_ABS_THRES 100

#define	BH1770_DEFAULT_PERSISTENCE 10

#define	BH1770_PROX_MAX_PERSISTENCE 50

#define	BH1770_LUX_GA_SCALE 16384

#define	BH1770_LUX_CF_SCALE 2048 /* CF ChipFactor */

#define	BH1770_NEUTRAL_CF BH1770_LUX_CF_SCALE

#define	BH1770_LUX_CORR_SCALE 4096

#define	PROX_ABOVE_THRESHOLD 1

#define	PROX_BELOW_THRESHOLD 0

#define	PROX_IGNORE_LUX_LIMIT 500

#define	bh1770_suspend NULL

#define	bh1770_shutdown NULL

#define	bh1770_resume NULL

Functions
	MODULE_DEVICE_TABLE (i2c, bh1770_id)

	module_i2c_driver (bh1770_driver)

	MODULE_DESCRIPTION ("BH1770GLC / SFH7770 combined ALS and proximity sensor")

	MODULE_AUTHOR ("Samu Onkalo, Nokia Corporation")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define BH1770_ALS_CONTROL 0x80 /* ALS operation mode control */

Definition at line 38 of file bh1770glc.c.

#define BH1770_ALS_DATA_0 0x8c /* ALS DATA low byte */

Definition at line 47 of file bh1770glc.c.

#define BH1770_ALS_DATA_1 0x8d /* ALS DATA high byte */

Definition at line 48 of file bh1770glc.c.

#define BH1770_ALS_MEAS_RATE 0x86 /* ALS meas. rate at stand alone mode */

Definition at line 44 of file bh1770glc.c.

#define BH1770_ALS_PS_MEAS 0x84 /* Forced mode trigger */

Definition at line 42 of file bh1770glc.c.

#define BH1770_ALS_PS_STATUS 0x8e /* Measurement data and int status */

Definition at line 49 of file bh1770glc.c.

#define BH1770_ALS_TH_LOW_0 0x98 /* ALS lower threshold low byte */

Definition at line 59 of file bh1770glc.c.

#define BH1770_ALS_TH_LOW_1 0x99 /* ALS lower threshold high byte */

Definition at line 60 of file bh1770glc.c.

#define BH1770_ALS_TH_UP_0 0x96 /* ALS upper threshold low byte */

Definition at line 57 of file bh1770glc.c.

#define BH1770_ALS_TH_UP_1 0x97 /* ALS upper threshold high byte */

Definition at line 58 of file bh1770glc.c.

#define BH1770_ALS_TRIG_MEAS (1 << 1)

Definition at line 81 of file bh1770glc.c.

#define BH1770_CALIB_SCALER 8192

Definition at line 117 of file bh1770glc.c.

#define BH1770_COEF_SCALER 1024

Definition at line 116 of file bh1770glc.c.

#define BH1770_DEFAULT_PERSISTENCE 10

Definition at line 122 of file bh1770glc.c.

#define BH1770_DISABLE 0

Definition at line 103 of file bh1770glc.c.

#define BH1770_ENABLE 1

Definition at line 104 of file bh1770glc.c.

#define BH1770_FORCED 0x02

Definition at line 76 of file bh1770glc.c.

#define BH1770_I_LED 0x82 /* active LED and LED1, LED2 current */

Definition at line 40 of file bh1770glc.c.

#define BH1770_I_LED3 0x83 /* LED3 current setting */

Definition at line 41 of file bh1770glc.c.

#define BH1770_INT_ALS_DATA (1 << 6)

Definition at line 97 of file bh1770glc.c.

#define BH1770_INT_ALS_ENA (1 << 1)

Definition at line 86 of file bh1770glc.c.

#define BH1770_INT_ALS_INT (1 << 7)

Definition at line 98 of file bh1770glc.c.

#define BH1770_INT_LED1_DATA (1 << 0)

Definition at line 90 of file bh1770glc.c.

#define BH1770_INT_LED1_INT (1 << 1)

Definition at line 91 of file bh1770glc.c.

#define BH1770_INT_LED2_DATA (1 << 2)

Definition at line 92 of file bh1770glc.c.

#define BH1770_INT_LED2_INT (1 << 3)

Definition at line 93 of file bh1770glc.c.

#define BH1770_INT_LED3_DATA (1 << 4)

Definition at line 94 of file bh1770glc.c.

#define BH1770_INT_LED3_INT (1 << 5)

Definition at line 95 of file bh1770glc.c.

#define BH1770_INT_LEDS_INT ((1 << 1) | (1 << 3) | (1 << 5))

Definition at line 96 of file bh1770glc.c.

#define BH1770_INT_OUTPUT_MODE (1 << 3) /* 0 = latched */

Definition at line 84 of file bh1770glc.c.

#define BH1770_INT_POLARITY (1 << 2) /* 1 = active high */

Definition at line 85 of file bh1770glc.c.

#define BH1770_INT_PS_ENA (1 << 0)

Definition at line 87 of file bh1770glc.c.

#define BH1770_INTERRUPT 0x92 /* Interrupt setting */

Definition at line 53 of file bh1770glc.c.

#define BH1770_LED1 0x00

Definition at line 101 of file bh1770glc.c.

#define BH1770_LUX_CF_SCALE 2048 /* CF ChipFactor */

Definition at line 125 of file bh1770glc.c.

#define BH1770_LUX_CORR_SCALE 4096

Definition at line 127 of file bh1770glc.c.

#define BH1770_LUX_DEF_THRES 1000

Definition at line 119 of file bh1770glc.c.

#define BH1770_LUX_DEFAULT_RATE 1 /* Index to lux rate table */

Definition at line 107 of file bh1770glc.c.

#define BH1770_LUX_GA_SCALE 16384

Definition at line 124 of file bh1770glc.c.

#define BH1770_LUX_NEUTRAL_CALIB_VALUE (1 * BH1770_CALIB_SCALER)

Definition at line 118 of file bh1770glc.c.

#define BH1770_LUX_RANGE 65535

Definition at line 114 of file bh1770glc.c.

#define BH1770_MANUFACT_ID 0x8b /* Manufacturerer ID */

Definition at line 46 of file bh1770glc.c.

#define BH1770_MANUFACT_OSRAM 0x03

Definition at line 64 of file bh1770glc.c.

#define BH1770_MANUFACT_ROHM 0x01

Definition at line 63 of file bh1770glc.c.

#define BH1770_NEUTRAL_CF BH1770_LUX_CF_SCALE

Definition at line 126 of file bh1770glc.c.

#define BH1770_PART 0x90

Definition at line 67 of file bh1770glc.c.

#define BH1770_PART_ID 0x8a /* Part number and revision ID */

Definition at line 45 of file bh1770glc.c.

#define BH1770_PART_MASK 0xf0

Definition at line 68 of file bh1770glc.c.

#define BH1770_PROX_CHANNELS 1

Definition at line 105 of file bh1770glc.c.

#define BH1770_PROX_DEF_ABS_THRES 100

Definition at line 121 of file bh1770glc.c.

#define BH1770_PROX_DEF_RATE_THRESH 6 /* Direct HW value =~ 5 Hz */

Definition at line 109 of file bh1770glc.c.

#define BH1770_PROX_DEF_THRES 70

Definition at line 120 of file bh1770glc.c.

#define BH1770_PROX_DEFAULT_RATE 1 /* Direct HW value =~ 50Hz */

Definition at line 108 of file bh1770glc.c.

#define BH1770_PROX_MAX_PERSISTENCE 50

Definition at line 123 of file bh1770glc.c.

#define BH1770_PROX_RANGE 255

Definition at line 115 of file bh1770glc.c.

#define BH1770_PS_CONTROL 0x81 /* PS operation mode control */

Definition at line 39 of file bh1770glc.c.

#define BH1770_PS_DATA_LED1 0x8f /* PS data from LED1 */

Definition at line 50 of file bh1770glc.c.

#define BH1770_PS_DATA_LED2 0x90 /* PS data from LED2 */

Definition at line 51 of file bh1770glc.c.

#define BH1770_PS_DATA_LED3 0x91 /* PS data from LED3 */

Definition at line 52 of file bh1770glc.c.

#define BH1770_PS_MEAS_RATE 0x85 /* PS meas. rate at stand alone mode */

Definition at line 43 of file bh1770glc.c.

#define BH1770_PS_TH_LED1 0x93 /* PS interrupt threshold for LED1 */

Definition at line 54 of file bh1770glc.c.

#define BH1770_PS_TH_LED2 0x94 /* PS interrupt threshold for LED2 */

Definition at line 55 of file bh1770glc.c.

#define BH1770_PS_TH_LED3 0x95 /* PS interrupt threshold for LED3 */

Definition at line 56 of file bh1770glc.c.

#define BH1770_PS_TRIG_MEAS (1 << 0)

Definition at line 80 of file bh1770glc.c.

#define BH1770_RESET_TIME 10

Definition at line 111 of file bh1770glc.c.

#define bh1770_resume NULL

Definition at line 1353 of file bh1770glc.c.

#define BH1770_REV_0 0x00

Definition at line 71 of file bh1770glc.c.

#define BH1770_REV_1 0x01

Definition at line 72 of file bh1770glc.c.

#define BH1770_REV_MASK 0x0f

Definition at line 69 of file bh1770glc.c.

#define BH1770_REV_SHIFT 0

Definition at line 70 of file bh1770glc.c.

#define bh1770_shutdown NULL

Definition at line 1352 of file bh1770glc.c.

#define BH1770_STANDALONE 0x03

Definition at line 77 of file bh1770glc.c.

#define BH1770_STANDBY 0x00

Definition at line 75 of file bh1770glc.c.

#define BH1770_STARTUP_DELAY 50

Definition at line 110 of file bh1770glc.c.

#define bh1770_suspend NULL

Definition at line 1351 of file bh1770glc.c.

#define BH1770_SWRESET (0x01 << 2)

Definition at line 78 of file bh1770glc.c.

#define BH1770_TIMEOUT 2100 /* Timeout in 2.1 seconds */

Definition at line 112 of file bh1770glc.c.

#define PROX_ABOVE_THRESHOLD 1

Definition at line 129 of file bh1770glc.c.

#define PROX_BELOW_THRESHOLD 0

Definition at line 130 of file bh1770glc.c.

#define PROX_IGNORE_LUX_LIMIT 500

Definition at line 132 of file bh1770glc.c.

Function Documentation

MODULE_AUTHOR	(	"Samu	Onkalo,
		Nokia Corporation"
	)

MODULE_DESCRIPTION ( "BH1770GLC / SFH7770 combined ALS and proximity sensor" )

MODULE_DEVICE_TABLE	(	i2c	,
		bh1770_id
	)

module_i2c_driver ( bh1770_driver )

MODULE_LICENSE ( "GPL v2" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation