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/* alps
*
* (C) Copyright 2009
* MediaTek <www.MediaTek.com>
*
* Sensor devices
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __HWMSEN_DEV_H__
#define __HWMSEN_DEV_H__
#include <linux/types.h>
#include <linux/hwmsensor.h>
/*define sensor operator type---------------------------------------------------*/
#define SENSOR_DELAY 0X01
#define SENSOR_ENABLE 0X02
#define SENSOR_GET_DATA 0X04
/**
* status of each sensor
*/
#define SENSOR_STATUS_UNRELIABLE 0
#define SENSOR_STATUS_ACCURACY_LOW 1
#define SENSOR_STATUS_ACCURACY_MEDIUM 2
#define SENSOR_STATUS_ACCURACY_HIGH 3
#define GRAVITY_EARTH_1000 9807 /* about (9.80665f)*1000 */
struct hwmsen_object {
void *self;
int polling;
int (*sensor_operate) (void *self, uint32_t command, void *buff_in, int size_in,
void *buff_out, int size_out, int *actualout);
};
struct sensor_init_info {
char *name;
int (*init) (void);
int (*uninit) (void);
struct platform_driver *platform_diver_addr;
};
/*----------------------------------------------------------------------------*/
extern int hwmsen_attach(int sensor, struct hwmsen_object *obj);
extern int hwmsen_detach(int sensor);
extern int hwmsen_get_interrupt_data(int sensor, hwm_sensor_data *data);
//AAL functions
extern int hwmsen_aal_enable(int enable);
extern int hwmsen_aal_get_data(void);
extern int hwmsen_aal_get_status(void);
#if defined(CONFIG_MTK_AUTO_DETECT_ACCELEROMETER) /* */
extern int hwmsen_gsensor_add(struct sensor_init_info *obj);
#endif
#if defined(CONFIG_MTK_AUTO_DETECT_MAGNETOMETER)
extern int hwmsen_msensor_add(struct sensor_init_info *obj);
#endif
#if defined(CONFIG_MTK_AUTO_DETECT_ALSPS)
extern int hwmsen_alsps_sensor_add(struct sensor_init_info *obj);
#endif
/*----------------------------------------------------------------------------*/
#endif
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