54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
|
|
* This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver.
|
|
* Chip is combined proximity and ambient light sensor.
|
|
*
|
|
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
|
*
|
|
* Contact: Samu Onkalo <samu.p.onkalo@nokia.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.
|
|
*
|
|
* 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 St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#ifndef __BH1770_H__
|
|
#define __BH1770_H__
|
|
|
|
/**
|
|
* struct bh1770_platform_data - platform data for bh1770glc driver
|
|
* @led_def_curr: IR led driving current.
|
|
* @glass_attenuation: Attenuation factor for covering window.
|
|
* @setup_resources: Call back for interrupt line setup function
|
|
* @release_resources: Call back for interrupte line release function
|
|
*
|
|
* Example of glass attenuation: 16384 * 385 / 100 means attenuation factor
|
|
* of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85
|
|
*/
|
|
|
|
struct bh1770_platform_data {
|
|
#define BH1770_LED_5mA 0
|
|
#define BH1770_LED_10mA 1
|
|
#define BH1770_LED_20mA 2
|
|
#define BH1770_LED_50mA 3
|
|
#define BH1770_LED_100mA 4
|
|
#define BH1770_LED_150mA 5
|
|
#define BH1770_LED_200mA 6
|
|
__u8 led_def_curr;
|
|
#define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */
|
|
__u32 glass_attenuation;
|
|
int (*setup_resources)(void);
|
|
int (*release_resources)(void);
|
|
};
|
|
#endif
|