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/*
* linux/sensor/lps331ap.h
*
* STMicroelectronics LPS331AP Pressure / Temperature Sensor module driver
*
* Copyright (C) 2010 STMicroelectronics- MSH - Motion Mems BU - Application Team
* Matteo Dameno (matteo.dameno@st.com)
* Carmine Iascone (carmine.iascone@st.com)
*
* Both authors are willing to be considered the contact and update points for
* the driver.
*
* 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
*
*/
/******************************************************************************
Revision 1.0.0 2011/Feb/14:
first release
moved to input/misc
Revision 1.0.1 2011/Apr/04:
xxx
Revision 1.0.2 2011/Sep/15:
corrects ord bug, forces BDU enable
Revision 1.0.3 2011/Sep/15:
introduces compansation params reading and sysfs file to get them
Revision 1.0.4 2011/Dec/12:
sets maximum allowable resolution modes dynamically with ODR;
Revision 1.0.5 2012/Feb/29:
introduces more compansation params and extends sysfs file content
format to get them; reduces minimum polling period define;
Revision 1.0.6 2012/Mar/30:
introduces one more compansation param and extends sysfs file content
format to get it.
******************************************************************************/
#ifndef __LPS331AP_H__
#define __LPS331AP_H__
#define LPS331AP_PRS_MIN_POLL_PERIOD_MS 40
#define SAD0L 0x00
#define SAD0H 0x01
#define LPS331AP_PRS_I2C_SADROOT 0x2E
#define LPS331AP_PRS_I2C_SAD_L ((LPS331AP_PRS_I2C_SADROOT<<1)|SAD0L)
#define LPS331AP_PRS_I2C_SAD_H ((LPS331AP_PRS_I2C_SADROOT<<1)|SAD0H)
#define LPS331AP_PRS_DEV_NAME "lps331ap"
/* Barometer and Termometer output data rate ODR */
#define LPS331AP_PRS_ODR_ONESH 0x00 /* one shot both */
#define LPS331AP_PRS_ODR_1_1 0x10 /* 1 Hz baro, 1 Hz term ODR */
#define LPS331AP_PRS_ODR_7_7 0x50 /* 7 Hz baro, 7 Hz term ODR */
#define LPS331AP_PRS_ODR_12_12 0x60 /* 12.5Hz baro, 12.5Hz term ODR */
#define LPS331AP_PRS_ODR_25_25 0x70 /* 25 Hz baro, 25 Hz term ODR */
/* Pressure section defines */
/* Pressure Sensor Operating Mode */
#define LPS331AP_PRS_ENABLE 0x01
#define LPS331AP_PRS_DISABLE 0x00
/* Output conversion factors */
#define SENSITIVITY_T 480 /* = 480 LSB/degrC */
#define SENSITIVITY_P 4096 /* = LSB/mbar */
#define SENSITIVITY_P_SHIFT 12 /* = 4096 LSB/mbar */
#define TEMPERATURE_OFFSET 42.5f /* = 42.5 degrC */
#ifdef __KERNEL__
struct lps331ap_platform_data {
int irq;
};
#endif /* __KERNEL__ */
#endif /* __LPS331AP_H__ */
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