diff options
Diffstat (limited to 'drivers/misc/mpu3050/accel/kxud9.c')
| -rwxr-xr-x | drivers/misc/mpu3050/accel/kxud9.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/drivers/misc/mpu3050/accel/kxud9.c b/drivers/misc/mpu3050/accel/kxud9.c deleted file mode 100755 index 651219e..0000000 --- a/drivers/misc/mpu3050/accel/kxud9.c +++ /dev/null @@ -1,145 +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 kxud9.c - * @brief Accelerometer setup and handling methods. - */ - -/* ------------------ */ -/* - Include Files. - */ -/* ------------------ */ - -#ifdef __KERNEL__ -#include <linux/kernel.h> -#include <linux/module.h> -#endif - -#include "mpu.h" -#include "mlsl.h" -#include "mlos.h" - -#include <log.h> -#undef MPL_LOG_TAG -#define MPL_LOG_TAG "MPL-acc" - -/* --------------------- */ -/* - Variables. - */ -/* --------------------- */ - -/***************************************** - Accelerometer Initialization Functions - *****************************************/ - -static int kxud9_suspend(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata) -{ - int result; - /* CTRL_REGB: low-power standby mode */ - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x0d, 0x0); - ERROR_CHECK(result); - return result; -} - -/* full scale setting - register and mask */ -#define ACCEL_KIONIX_CTRL_REG (0x0C) -#define ACCEL_KIONIX_CTRL_MASK (0x3) - -static int kxud9_resume(void *mlsl_handle, - struct ext_slave_descr *slave, - struct ext_slave_platform_data *pdata) -{ - int result = ML_SUCCESS; - unsigned char reg; - - /* Full Scale */ - reg = 0x0; - reg &= ~ACCEL_KIONIX_CTRL_MASK; - reg |= 0x00; - if (slave->range.mantissa == 4) { /* 4g scale = 4.9951 */ - reg |= 0x2; - slave->range.fraction = 9951; - } else if (slave->range.mantissa == 7) { /* 6g scale = 7.5018 */ - reg |= 0x1; - slave->range.fraction = 5018; - } else if (slave->range.mantissa == 9) { /* 8g scale = 9.9902 */ - reg |= 0x0; - slave->range.fraction = 9902; - } else { - slave->range.mantissa = 2; /* 2g scale = 2.5006 */ - slave->range.fraction = 5006; - reg |= 0x3; - } - reg |= 0xC0; /* 100Hz LPF */ - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, - ACCEL_KIONIX_CTRL_REG, reg); - ERROR_CHECK(result); - /* normal operation */ - result = - MLSLSerialWriteSingle(mlsl_handle, pdata->address, 0x0d, 0x40); - ERROR_CHECK(result); - - return ML_SUCCESS; -} - -static int kxud9_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 kxud9_descr = { - /*.init = */ NULL, - /*.exit = */ NULL, - /*.suspend = */ kxud9_suspend, - /*.resume = */ kxud9_resume, - /*.read = */ kxud9_read, - /*.config = */ NULL, - /*.get_config = */ NULL, - /*.name = */ "kxud9", - /*.type = */ EXT_SLAVE_TYPE_ACCELEROMETER, - /*.id = */ /* ACCEL_ID_KXUD9, */ ACCEL_ID_KXSD9, - /*.reg = */ 0x00, - /*.len = */ 6, - /*.endian = */ EXT_SLAVE_BIG_ENDIAN, - /*.range = */ {2, 5006}, -}; - -struct ext_slave_descr *kxud9_get_slave_descr(void) -{ - return &kxud9_descr; -} -EXPORT_SYMBOL(kxud9_get_slave_descr); - -/** - * @} -**/ |