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/* BOSCH Pressure Sensor Driver
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef BOSCH_BARO_H
#define BOSCH_BARO_H
#include <linux/ioctl.h>
/*****************************************************
| sensor | chip id | 7-bit i2c address |
-----------------------------------------------------|
| bmp180 | 0x55 | 0x77 |
*****************************************************/
/* apply low pass filter on output */
/*#define CONFIG_BMP_LOWPASS*/
/*#define CONFIG_ID_TEMPERATURE*/
/*#define CONFIG_I2C_BASIC_FUNCTION*/
#define BMP_DRIVER_VERSION "V1.2"
#define BMP_DEV_NAME "bmp180"
#define C_MAX_FIR_LENGTH (32)
#define MAX_SENSOR_NAME (32)
#define BMP_DATA_NUM 1
#define BMP_PRESSURE 0
#define BMP_BUFSIZE 128
/* common definition */
#define BMP_GET_BITSLICE(regvar, bitname)\
((regvar & bitname##__MSK) >> bitname##__POS)
#define BMP_SET_BITSLICE(regvar, bitname, val)\
((regvar & ~bitname##__MSK) | ((val<<bitname##__POS)&bitname##__MSK))
#define BMP_CHIP_ID_REG 0xD0
/*********************************[BMP180]*************************************/
/* chip id */
#define BMP180_CHIP_ID 0x55
/* i2c address */
#define BMP180_I2C_ADDRESS 0x77
/* calibration data */
#define BMP180_CALIBRATION_DATA_START 0xAA
#define BMP180_CALIBRATION_DATA_LENGTH 11 /* 16 bit values */
/* oversampling */
#define BMP180_OVERSAMPLING_1X 0x00
#define BMP180_OVERSAMPLING_2X 0x01
#define BMP180_OVERSAMPLING_4X 0x02
#define BMP180_OVERSAMPLING_8X 0x03
#define BMP180_CTRLMEAS_REG 0xF4 /* Ctrl Measure Register */
#define BMP180_CTRLMEAS_REG_OSRSP__POS 6
#define BMP180_CTRLMEAS_REG_OSRSP__MSK 0xC0
#define BMP180_CTRLMEAS_REG_OSRSP__LEN 2
#define BMP180_CTRLMEAS_REG_OSRSP__REG BMP180_CTRLMEAS_REG
/* data */
#define BMP180_TEMP_MEASUREMENT 0x2E
#define BMP180_PRESSURE_MEASUREMENT 0x34
#define BMP180_TEMP_CONVERSION_TIME (5 + 5)
#define BMP180_CONVERSION_REGISTER_MSB 0xF6
#define BMP180_CTRLMEAS_REG_MC__POS 0
#define BMP180_CTRLMEAS_REG_MC__MSK 0x3F
#define BMP180_CTRLMEAS_REG_MC__LEN 6
#define BMP180_CTRLMEAS_REG_MC__REG BMP180_CTRLMEAS_REG
#endif/* BOSCH_BARO_H */
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