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Diffstat (limited to 'drivers/misc/inv_mpu/mlsl.h')
| -rw-r--r-- | drivers/misc/inv_mpu/mlsl.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/drivers/misc/inv_mpu/mlsl.h b/drivers/misc/inv_mpu/mlsl.h deleted file mode 100644 index 3fc6be9..0000000 --- a/drivers/misc/inv_mpu/mlsl.h +++ /dev/null @@ -1,193 +0,0 @@ -/* - $License: - Copyright (C) 2011 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/>. - $ - */ - -#ifndef __MLSL_H__ -#define __MLSL_H__ - -/** - * @defgroup MLSL - * @brief Motion Library - Serial Layer. - * The Motion Library System Layer provides the Motion Library - * with the communication interface to the hardware. - * - * The communication interface is assumed to support serial - * transfers in burst of variable length up to - * SERIAL_MAX_TRANSFER_SIZE. - * The default value for SERIAL_MAX_TRANSFER_SIZE is 128 bytes. - * Transfers of length greater than SERIAL_MAX_TRANSFER_SIZE, will - * be subdivided in smaller transfers of length <= - * SERIAL_MAX_TRANSFER_SIZE. - * The SERIAL_MAX_TRANSFER_SIZE definition can be modified to - * overcome any host processor transfer size limitation down to - * 1 B, the minimum. - * An higher value for SERIAL_MAX_TRANSFER_SIZE will favor - * performance and efficiency while requiring higher resource usage - * (mostly buffering). A smaller value will increase overhead and - * decrease efficiency but allows to operate with more resource - * constrained processor and master serial controllers. - * The SERIAL_MAX_TRANSFER_SIZE definition can be found in the - * mlsl.h header file and master serial controllers. - * The SERIAL_MAX_TRANSFER_SIZE definition can be found in the - * mlsl.h header file. - * - * @{ - * @file mlsl.h - * @brief The Motion Library System Layer. - * - */ - -#include "mltypes.h" -#include <linux/mpu_411.h> - - -/* acceleration data */ -struct acc_data { - s16 x; - s16 y; - s16 z; -}; - -/* - * NOTE : to properly support Yamaha compass reads, - * the max transfer size should be at least 9 B. - * Length in bytes, typically a power of 2 >= 2 - */ -#define SERIAL_MAX_TRANSFER_SIZE 128 - - -/** - * inv_serial_single_write() - used to write a single byte of data. - * @sl_handle pointer to the serial device used for the communication. - * @slave_addr I2C slave address of device. - * @register_addr Register address to write. - * @data Single byte of data to write. - * - * It is called by the MPL to write a single byte of data to the MPU. - * - * returns INV_SUCCESS if successful, a non-zero error code otherwise. - */ -int inv_serial_single_write( - void *sl_handle, - unsigned char slave_addr, - unsigned char register_addr, - unsigned char data); - -/** - * inv_serial_write() - used to write multiple bytes of data to registers. - * @sl_handle a file handle to the serial device used for the communication. - * @slave_addr I2C slave address of device. - * @register_addr Register address to write. - * @length Length of burst of data. - * @data Pointer to block of data. - * - * returns INV_SUCCESS if successful, a non-zero error code otherwise. - */ -int inv_serial_write( - void *sl_handle, - unsigned char slave_addr, - unsigned short length, - unsigned char const *data); - -/** - * inv_serial_read() - used to read multiple bytes of data from registers. - * @sl_handle a file handle to the serial device used for the communication. - * @slave_addr I2C slave address of device. - * @register_addr Register address to read. - * @length Length of burst of data. - * @data Pointer to block of data. - * - * returns INV_SUCCESS == 0 if successful; a non-zero error code otherwise. - */ -int inv_serial_read( - void *sl_handle, - unsigned char slave_addr, - unsigned char register_addr, - unsigned short length, - unsigned char *data); - -/** - * inv_serial_read_mem() - used to read multiple bytes of data from the memory. - * This should be sent by I2C or SPI. - * - * @sl_handle a file handle to the serial device used for the communication. - * @slave_addr I2C slave address of device. - * @mem_addr The location in the memory to read from. - * @length Length of burst data. - * @data Pointer to block of data. - * - * returns INV_SUCCESS == 0 if successful; a non-zero error code otherwise. - */ -int inv_serial_read_mem( - void *sl_handle, - unsigned char slave_addr, - unsigned short mem_addr, - unsigned short length, - unsigned char *data); - -/** - * inv_serial_write_mem() - used to write multiple bytes of data to the memory. - * @sl_handle a file handle to the serial device used for the communication. - * @slave_addr I2C slave address of device. - * @mem_addr The location in the memory to write to. - * @length Length of burst data. - * @data Pointer to block of data. - * - * returns INV_SUCCESS == 0 if successful; a non-zero error code otherwise. - */ -int inv_serial_write_mem( - void *sl_handle, - unsigned char slave_addr, - unsigned short mem_addr, - unsigned short length, - unsigned char const *data); - -/** - * inv_serial_read_fifo() - used to read multiple bytes of data from the fifo. - * @sl_handle a file handle to the serial device used for the communication. - * @slave_addr I2C slave address of device. - * @length Length of burst of data. - * @data Pointer to block of data. - * - * returns INV_SUCCESS == 0 if successful; a non-zero error code otherwise. - */ -int inv_serial_read_fifo( - void *sl_handle, - unsigned char slave_addr, - unsigned short length, - unsigned char *data); - -/** - * inv_serial_write_fifo() - used to write multiple bytes of data to the fifo. - * @sl_handle a file handle to the serial device used for the communication. - * @slave_addr I2C slave address of device. - * @length Length of burst of data. - * @data Pointer to block of data. - * - * returns INV_SUCCESS == 0 if successful; a non-zero error code otherwise. - */ -int inv_serial_write_fifo( - void *sl_handle, - unsigned char slave_addr, - unsigned short length, - unsigned char const *data); - -/** - * @} - */ -#endif /* __MLSL_H__ */ |