diff options
Diffstat (limited to 'drivers/misc/mpu3050/accel/bma222.c')
| -rwxr-xr-x | drivers/misc/mpu3050/accel/bma222.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/drivers/misc/mpu3050/accel/bma222.c b/drivers/misc/mpu3050/accel/bma222.c deleted file mode 100755 index 534a1e5..0000000 --- a/drivers/misc/mpu3050/accel/bma222.c +++ /dev/null @@ -1,142 +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 bma222.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" - -#define ACCEL_BMA222_RANGE_REG (0x0F) -#define ACCEL_BMA222_BW_REG (0x10) -#define ACCEL_BMA222_SUSPEND_REG (0x11) -#define ACCEL_BMA222_SFT_RST_REG (0x14) - -/********************************************* - Accelerometer Initialization Functions -**********************************************/ - -static int bma222_suspend(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata) -{ - int result; - - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, - ACCEL_BMA222_SUSPEND_REG, 0x80); - ERROR_CHECK(result); - - return result; -} - -static int bma222_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, - ACCEL_BMA222_SFT_RST_REG, 0xB6); - ERROR_CHECK(result); - MLOSSleep(10); - - /*Bandwidth */ - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, - ACCEL_BMA222_BW_REG, 0x0C); - ERROR_CHECK(result); - - /* Full Scale */ - if (slave->range.mantissa == 4) - reg |= 0x05; - else if (slave->range.mantissa == 8) - reg |= 0x08; - else if (slave->range.mantissa == 16) - reg |= 0x0C; - else { - slave->range.mantissa = 2; - reg |= 0x03; - } - slave->range.fraction = 0; - - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, - ACCEL_BMA222_RANGE_REG, reg); - ERROR_CHECK(result); - - return result; -} - -static int bma222_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 bma222_descr = { - /*.init = */ NULL, - /*.exit = */ NULL, - /*.suspend = */ bma222_suspend, - /*.resume = */ bma222_resume, - /*.read = */ bma222_read, - /*.config = */ NULL, - /*.get_config = */ NULL, - /*.name = */ "bma222", - /*.type = */ EXT_SLAVE_TYPE_ACCELEROMETER, - /*.id = */ ACCEL_ID_BMA222, - /*.reg = */ 0x02, - /*.len = */ 6, - /*.endian = */ EXT_SLAVE_LITTLE_ENDIAN, - /*.range = */ {2, 0}, -}; - -struct ext_slave_descr *bma222_get_slave_descr(void) -{ - return &bma222_descr; -} -EXPORT_SYMBOL(bma222_get_slave_descr); - -/* - * @} - */ |