ggow
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/* alps
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*
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* (C) Copyright 2009
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* MediaTek <www.MediaTek.com>
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*
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* Sensor devices
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __HWMSEN_DEV_H__
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#define __HWMSEN_DEV_H__
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#include <linux/types.h>
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#include <linux/hwmsensor.h>
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/*define sensor operator type---------------------------------------------------*/
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#define SENSOR_DELAY 0X01
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#define SENSOR_ENABLE 0X02
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#define SENSOR_GET_DATA 0X04
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/**
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* status of each sensor
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*/
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#define SENSOR_STATUS_UNRELIABLE 0
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#define SENSOR_STATUS_ACCURACY_LOW 1
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#define SENSOR_STATUS_ACCURACY_MEDIUM 2
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#define SENSOR_STATUS_ACCURACY_HIGH 3
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#define GRAVITY_EARTH_1000 9807 /* about (9.80665f)*1000 */
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struct hwmsen_object {
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void *self;
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int polling;
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int (*sensor_operate) (void *self, uint32_t command, void *buff_in, int size_in,
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void *buff_out, int size_out, int *actualout);
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};
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struct sensor_init_info {
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char *name;
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int (*init) (void);
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int (*uninit) (void);
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struct platform_driver *platform_diver_addr;
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};
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/*----------------------------------------------------------------------------*/
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extern int hwmsen_attach(int sensor, struct hwmsen_object *obj);
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extern int hwmsen_detach(int sensor);
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extern int hwmsen_get_interrupt_data(int sensor, hwm_sensor_data *data);
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//AAL functions
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extern int hwmsen_aal_enable(int enable);
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extern int hwmsen_aal_get_data(void);
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extern int hwmsen_aal_get_status(void);
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#if defined(CONFIG_MTK_AUTO_DETECT_ACCELEROMETER) /* */
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extern int hwmsen_gsensor_add(struct sensor_init_info *obj);
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#endif
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#if defined(CONFIG_MTK_AUTO_DETECT_MAGNETOMETER)
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extern int hwmsen_msensor_add(struct sensor_init_info *obj);
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#endif
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#if defined(CONFIG_MTK_AUTO_DETECT_ALSPS)
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extern int hwmsen_alsps_sensor_add(struct sensor_init_info *obj);
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#endif
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/*----------------------------------------------------------------------------*/
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#endif
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