diff options
Diffstat (limited to 'drivers/misc/mpu3050/accel/bma150.c')
| -rwxr-xr-x | drivers/misc/mpu3050/accel/bma150.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/misc/mpu3050/accel/bma150.c b/drivers/misc/mpu3050/accel/bma150.c deleted file mode 100755 index 30fed15..0000000 --- a/drivers/misc/mpu3050/accel/bma150.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - $License: - Copyright (C) 2010 InvenSense Corporation, All Rights Reserved. - - 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, see <http://www.gnu.org/licenses/>. - $ - */ - -/** - * @defgroup ACCELDL (Motion Library - Accelerometer Driver Layer) - * @brief Provides the interface to setup and handle an accelerometers - * connected to the secondary I2C interface of the gyroscope. - * - * @{ - * @file bma150.c - * @brief Accelerometer setup and handling methods. - */ - -/* ------------------ */ -/* - Include Files. - */ -/* ------------------ */ - -#ifdef __KERNEL__ -#include <linux/module.h> -#endif - -#include "mpu.h" -#include "mlos.h" -#include "mlsl.h" - -/* --------------------- */ -/* - Variables. - */ -/* --------------------- */ - -/********************************************* - Accelerometer Initialization Functions -**********************************************/ - -static int bma150_suspend(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata) -{ - int result; - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x0a, 0x01); - MLOSSleep(3); /* 3 ms powerup time maximum */ - ERROR_CHECK(result); - return result; -} - -/* full scale setting - register and mask */ -#define ACCEL_BOSCH_CTRL_REG (0x14) -#define ACCEL_BOSCH_CTRL_MASK (0x18) - -static int bma150_resume(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata) -{ - int result; - unsigned char reg = 0; - - /* Soft reset */ - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x0a, 0x02); - ERROR_CHECK(result); - MLOSSleep(3); - - result = - MLSLSerialRead(mlsl_handle, pdata->address, 0x14, 1, ®); - ERROR_CHECK(result); - - /* Bandwidth */ - reg &= 0xc0; - reg |= 3; /* 3=190 Hz */ - - /* Full Scale */ - reg &= ~ACCEL_BOSCH_CTRL_MASK; - if (slave->range.mantissa == 4) - reg |= 0x08; - else if (slave->range.mantissa == 8) - reg |= 0x10; - else { - slave->range.mantissa = 2; - reg |= 0x00; - } - slave->range.fraction = 0; - - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x14, reg); - ERROR_CHECK(result); - - return result; -} - -static int bma150_read(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata, - unsigned char *data) -{ - int result; - result = MLSLSerialRead(mlsl_handle, pdata->address, - slave->reg, slave->len, data); - return result; -} - -static struct ext_slave_descr bma150_descr = { - /*.init = */ NULL, - /*.exit = */ NULL, - /*.suspend = */ bma150_suspend, - /*.resume = */ bma150_resume, - /*.read = */ bma150_read, - /*.config = */ NULL, - /*.get_config = */ NULL, - /*.name = */ "bma150", - /*.type = */ EXT_SLAVE_TYPE_ACCELEROMETER, - /*.id = */ ACCEL_ID_BMA150, - /*.reg = */ 0x02, - /*.len = */ 6, - /*.endian = */ EXT_SLAVE_LITTLE_ENDIAN, - /*.range = */ {2, 0}, -}; - -struct ext_slave_descr *bma150_get_slave_descr(void) -{ - return &bma150_descr; -} -EXPORT_SYMBOL(bma150_get_slave_descr); - -#ifdef __KERNEL__ -MODULE_AUTHOR("Invensense"); -MODULE_DESCRIPTION("User space IRQ handler for MPU3xxx devices"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("bma"); -#endif - -/** - * @} - */ |