tsl2x7x.h

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/*
 * Device driver for monitoring ambient light intensity (lux)
 * and proximity (prox) within the TAOS TSL2X7X family of devices.
 *
 * Copyright (c) 2012, TAOS Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef __TSL2X7X_H
#define __TSL2X7X_H
#include <linux/pm.h>

/* Max number of segments allowable in LUX table */
#define TSL2X7X_MAX_LUX_TABLE_SIZE      9
#define MAX_DEFAULT_TABLE_BYTES (sizeof(int) * TSL2X7X_MAX_LUX_TABLE_SIZE)

struct iio_dev;

struct tsl2x7x_lux {
    unsigned int ratio;
    unsigned int ch0;
    unsigned int ch1;
};

struct tsl2x7x_settings {
    int als_time;
    int als_gain;
    int als_gain_trim;
    int wait_time;
    int prx_time;
    int prox_gain;
    int prox_config;
    int als_cal_target;
    u8  interrupts_en;
    u8  persistence;
    int als_thresh_low;
    int als_thresh_high;
    int prox_thres_low;
    int prox_thres_high;
    int prox_pulse_count;
    int prox_max_samples_cal;
};

struct tsl2X7X_platform_data {
    int (*platform_power)(struct device *dev, pm_message_t);
    int (*power_on)      (struct iio_dev *indio_dev);
    int (*power_off)     (struct i2c_client *dev);
    struct tsl2x7x_lux platform_lux_table[TSL2X7X_MAX_LUX_TABLE_SIZE];
    struct tsl2x7x_settings *platform_default_settings;
};

#endif /* __TSL2X7X_H */