diff options
Diffstat (limited to 'include/linux/iio')
| -rw-r--r-- | include/linux/iio/consumer.h | 10 | ||||
| -rw-r--r-- | include/linux/iio/imu/mpu.h | 124 |
2 files changed, 134 insertions, 0 deletions
diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index fad58671c49e..62acf17a894b 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -161,6 +161,16 @@ int iio_read_channel_processed(struct iio_channel *chan, int *val); int iio_write_channel_raw(struct iio_channel *chan, int val); /** + * iio_write_channel_processed() - write to a given channel + * @chan: The channel being queried. + * @val: Value being written. + * + * Note processed writes to iio channels are converted to raw + * values before being written. + */ +int iio_write_channel_processed(struct iio_channel *chan, int val); + +/** * iio_get_channel_type() - get the type of a channel * @channel: The channel being queried. * @type: The type of the channel. diff --git a/include/linux/iio/imu/mpu.h b/include/linux/iio/imu/mpu.h new file mode 100644 index 000000000000..4dbb86cad6d1 --- /dev/null +++ b/include/linux/iio/imu/mpu.h @@ -0,0 +1,124 @@ +/* +* Copyright (C) 2012-2017 InvenSense, Inc. +* +* 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 __MPU_H_ +#define __MPU_H_ + +#ifdef __KERNEL__ +#include <linux/types.h> +#include <linux/ioctl.h> +#endif + +enum secondary_slave_type { + SECONDARY_SLAVE_TYPE_NONE, + SECONDARY_SLAVE_TYPE_ACCEL, + SECONDARY_SLAVE_TYPE_COMPASS, + SECONDARY_SLAVE_TYPE_PRESSURE, + SECONDARY_SLAVE_TYPE_ALS, + + SECONDARY_SLAVE_TYPE_TYPES +}; + +enum ext_slave_id { + ID_INVALID = 0, + GYRO_ID_MPU3050, + GYRO_ID_MPU6050A2, + GYRO_ID_MPU6050B1, + GYRO_ID_MPU6050B1_NO_ACCEL, + GYRO_ID_ITG3500, + + ACCEL_ID_LIS331, + ACCEL_ID_LSM303DLX, + ACCEL_ID_LIS3DH, + ACCEL_ID_KXSD9, + ACCEL_ID_KXTF9, + ACCEL_ID_BMA150, + ACCEL_ID_BMA222, + ACCEL_ID_BMA250, + ACCEL_ID_ADXL34X, + ACCEL_ID_MMA8450, + ACCEL_ID_MMA845X, + ACCEL_ID_MPU6050, + + COMPASS_ID_AK8963, + COMPASS_ID_AK8975, + COMPASS_ID_AK8972, + COMPASS_ID_AMI30X, + COMPASS_ID_AMI306, + COMPASS_ID_YAS529, + COMPASS_ID_YAS530, + COMPASS_ID_HMC5883, + COMPASS_ID_LSM303DLH, + COMPASS_ID_LSM303DLM, + COMPASS_ID_MMC314X, + COMPASS_ID_HSCDTD002B, + COMPASS_ID_HSCDTD004A, + COMPASS_ID_MLX90399, + COMPASS_ID_AK09911, + COMPASS_ID_AK09912, + COMPASS_ID_AK09916, + + PRESSURE_ID_BMP085, + PRESSURE_ID_BMP280, + + ALS_ID_APDS_9900, + ALS_ID_APDS_9930, + ALS_ID_TSL_2772, +}; + +#define INV_PROD_KEY(ver, rev) (ver * 100 + rev) +/** + * struct mpu_platform_data - Platform data for the mpu driver + * @int_config: Bits [7:3] of the int config register. + * @level_shifter: 0: VLogic, 1: VDD + * @orientation: Orientation matrix of the gyroscope + * @sec_slave_type: secondary slave device type, can be compass, accel, etc + * @sec_slave_id: id of the secondary slave device + * @secondary_i2c_address: secondary device's i2c address + * @secondary_orientation: secondary device's orientation matrix + * @aux_slave_type: auxiliary slave. Another slave device type + * @aux_slave_id: auxiliary slave ID. + * @aux_i2c_addr: auxiliary device I2C address. + * @read_only_slave_type: read only slave type. + * @read_only_slave_id: read only slave device ID. + * @read_only_i2c_addr: read only slave device address. + * + * Contains platform specific information on how to configure the MPU3050 to + * work on this platform. The orientation matricies are 3x3 rotation matricies + * that are applied to the data to rotate from the mounting orientation to the + * platform orientation. The values must be one of 0, 1, or -1 and each row and + * column should have exactly 1 non-zero value. + */ +struct mpu_platform_data { + __u8 int_config; + __u8 level_shifter; + __s8 orientation[9]; + enum secondary_slave_type sec_slave_type; + enum ext_slave_id sec_slave_id; + __u16 secondary_i2c_addr; + __s8 secondary_orientation[9]; + enum secondary_slave_type aux_slave_type; + enum ext_slave_id aux_slave_id; + __u16 aux_i2c_addr; + enum secondary_slave_type read_only_slave_type; + enum ext_slave_id read_only_slave_id; + __u16 read_only_i2c_addr; +#ifdef CONFIG_OF + int (*power_on)(struct mpu_platform_data *); + int (*power_off)(struct mpu_platform_data *); + struct regulator *vdd_ana; + struct regulator *vdd_i2c; +#endif +}; + +#endif /* __MPU_H_ */ |