linux-imx

/*

 * Copyright (C) 2013 Samsung Electronics Co., Ltd.

 * Author: Beomho Seo <beomho.seo@samsung.com>

 *

 * This program is free software; you can redistribute  it and/or modify it

 * under  the terms of  the GNU General Public License version 2, as published

 * by the Free Software Foundation.

 */

​

#include <linux/delay.h>

#include <linux/err.h>

#include <linux/i2c.h>

#include <linux/mutex.h>

#include <linux/module.h>

#include <linux/interrupt.h>

#include <linux/regulator/consumer.h>

#include <linux/iio/iio.h>

#include <linux/iio/sysfs.h>

#include <linux/iio/events.h>

​

/* Slave address 0x19 for PS of 7 bit addressing protocol for I2C */

#define CM36651_I2C_ADDR_PS     0x19

/* Alert Response Address */

#define CM36651_ARA         0x0C

​

/* Ambient light sensor */

#define CM36651_CS_CONF1        0x00

#define CM36651_CS_CONF2        0x01

#define CM36651_ALS_WH_M        0x02

#define CM36651_ALS_WH_L        0x03

#define CM36651_ALS_WL_M        0x04

#define CM36651_ALS_WL_L        0x05

#define CM36651_CS_CONF3        0x06

#define CM36651_CS_CONF_REG_NUM     0x02

​

/* Proximity sensor */

#define CM36651_PS_CONF1        0x00

#define CM36651_PS_THD          0x01

#define CM36651_PS_CANC         0x02

#define CM36651_PS_CONF2        0x03

#define CM36651_PS_REG_NUM      0x04

​

/* CS_CONF1 command code */

#define CM36651_ALS_ENABLE      0x00

#define CM36651_ALS_DISABLE     0x01

#define CM36651_ALS_INT_EN      0x02

#define CM36651_ALS_THRES       0x04

​

/* CS_CONF2 command code */

#define CM36651_CS_CONF2_DEFAULT_BIT    0x08

​

/* CS_CONF3 channel integration time */

#define CM36651_CS_IT1          0x00 /* Integration time 80 msec */

#define CM36651_CS_IT2          0x40 /* Integration time 160 msec */

#define CM36651_CS_IT3          0x80 /* Integration time 320 msec */

#define CM36651_CS_IT4          0xC0 /* Integration time 640 msec */

​

/* PS_CONF1 command code */

#define CM36651_PS_ENABLE       0x00

#define CM36651_PS_DISABLE      0x01

#define CM36651_PS_INT_EN       0x02

#define CM36651_PS_PERS2        0x04

#define CM36651_PS_PERS3        0x08

#define CM36651_PS_PERS4        0x0C

​

/* PS_CONF1 command code: integration time */

#define CM36651_PS_IT1          0x00 /* Integration time 0.32 msec */

#define CM36651_PS_IT2          0x10 /* Integration time 0.42 msec */

#define CM36651_PS_IT3          0x20 /* Integration time 0.52 msec */

#define CM36651_PS_IT4          0x30 /* Integration time 0.64 msec */

​

/* PS_CONF1 command code: duty ratio */

#define CM36651_PS_DR1          0x00 /* Duty ratio 1/80 */

#define CM36651_PS_DR2          0x40 /* Duty ratio 1/160 */

#define CM36651_PS_DR3          0x80 /* Duty ratio 1/320 */

#define CM36651_PS_DR4          0xC0 /* Duty ratio 1/640 */

​

/* PS_THD command code */

#define CM36651_PS_INITIAL_THD      0x05

​

/* PS_CANC command code */

#define CM36651_PS_CANC_DEFAULT     0x00

​

/* PS_CONF2 command code */

#define CM36651_PS_HYS1         0x00

#define CM36651_PS_HYS2         0x01

#define CM36651_PS_SMART_PERS_EN    0x02

#define CM36651_PS_DIR_INT      0x04

#define CM36651_PS_MS           0x10

​

#define CM36651_CS_COLOR_NUM        4

​