include/linux/mpu.h

   1 /*
   2 * Copyright (C) 2012 Invensense, Inc.
   3 *
   4 * This software is licensed under the terms of the GNU General Public
   5 * License version 2, as published by the Free Software Foundation, and
   6 * may be copied, distributed, and modified under those terms.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 */
  13
  14 #ifndef __MPU_H_
  15 #define __MPU_H_
  16
  17 #ifdef __KERNEL__
  18 #include <linux/types.h>
  19 #include <linux/ioctl.h>
  20 #endif
  21
  22 enum secondary_slave_type {
  23         SECONDARY_SLAVE_TYPE_NONE,
  24         SECONDARY_SLAVE_TYPE_ACCEL,
  25         SECONDARY_SLAVE_TYPE_COMPASS,
  26         SECONDARY_SLAVE_TYPE_PRESSURE,
  27         SECONDARY_SLAVE_TYPE_ALS,
  28
  29         SECONDARY_SLAVE_TYPE_TYPES
  30 };
  31
  32 enum ext_slave_id {
  33         ID_INVALID = 0,
  34         GYRO_ID_MPU3050,
  35         GYRO_ID_MPU6050A2,
  36         GYRO_ID_MPU6050B1,
  37         GYRO_ID_MPU6050B1_NO_ACCEL,
  38         GYRO_ID_ITG3500,
  39
  40         ACCEL_ID_LIS331,
  41         ACCEL_ID_LSM303DLX,
  42         ACCEL_ID_LIS3DH,
  43         ACCEL_ID_KXSD9,
  44         ACCEL_ID_KXTF9,
  45         ACCEL_ID_BMA150,
  46         ACCEL_ID_BMA222,
  47         ACCEL_ID_BMA250,
  48         ACCEL_ID_ADXL34X,
  49         ACCEL_ID_MMA8450,
  50         ACCEL_ID_MMA845X,
  51         ACCEL_ID_MPU6050,
  52
  53         COMPASS_ID_AK8963,
  54         COMPASS_ID_AK8975,
  55         COMPASS_ID_AK8972,
  56         COMPASS_ID_AMI30X,
  57         COMPASS_ID_AMI306,
  58         COMPASS_ID_YAS529,
  59         COMPASS_ID_YAS530,
  60         COMPASS_ID_HMC5883,
  61         COMPASS_ID_LSM303DLH,
  62         COMPASS_ID_LSM303DLM,
  63         COMPASS_ID_MMC314X,
  64         COMPASS_ID_HSCDTD002B,
  65         COMPASS_ID_HSCDTD004A,
  66         COMPASS_ID_MLX90399,
  67         COMPASS_ID_AK09911,
  68         COMPASS_ID_AK09912,
  69         COMPASS_ID_ST480M,
  70
  71         PRESSURE_ID_BMP085,
  72         PRESSURE_ID_BMP280,
  73
  74         ALS_ID_APDS_9900,
  75         ALS_ID_APDS_9930,
  76 };
  77
  78 #define INV_PROD_KEY(ver, rev) (ver * 100 + rev)
  79 /**
  80  * struct mpu_platform_data - Platform data for the mpu driver
  81  * @int_config:         Bits [7:3] of the int config register.
  82  * @level_shifter:      0: VLogic, 1: VDD
  83  * @orientation:        Orientation matrix of the gyroscope
  84  * @sec_slave_type:     secondary slave device type, can be compass, accel, etc
  85  * @sec_slave_id:       id of the secondary slave device
  86  * @secondary_i2c_address: secondary device's i2c address
  87  * @secondary_orientation: secondary device's orientation matrix
  88  * @aux_slave_type: auxiliary slave. Another slave device type
  89  * @aux_slave_id: auxiliary slave ID.
  90  * @aux_i2c_addr: auxiliary device I2C address.
  91  * @read_only_slave_type: read only slave type.
  92  * @read_only_slave_id: read only slave device ID.
  93  * @read_only_i2c_addr: read only slave device address.
  94  *
  95  * Contains platform specific information on how to configure the MPU3050 to
  96  * work on this platform.  The orientation matricies are 3x3 rotation matricies
  97  * that are applied to the data to rotate from the mounting orientation to the
  98  * platform orientation.  The values must be one of 0, 1, or -1 and each row and
  99  * column should have exactly 1 non-zero value.
 100  */
 101 struct mpu_platform_data {
 102         __u8 int_config;
 103         __u8 level_shifter;
 104         __s8 orientation[9];
 105         enum secondary_slave_type sec_slave_type;
 106         enum ext_slave_id sec_slave_id;
 107         __u16 secondary_i2c_addr;
 108         __s8 secondary_orientation[9];
 109         enum secondary_slave_type aux_slave_type;
 110         enum ext_slave_id aux_slave_id;
 111         __u16 aux_i2c_addr;
 112         enum secondary_slave_type read_only_slave_type;
 113         enum ext_slave_id read_only_slave_id;
 114         __u16 read_only_i2c_addr;
 115 #ifdef CONFIG_DTS_INV_MPU_IIO
 116         int (*power_on)(struct mpu_platform_data *);
 117         int (*power_off)(struct mpu_platform_data *);
 118         struct regulator *vdd_ana;
 119         struct regulator *vdd_i2c;
 120 #endif
 121 };
 122
 123 #endif  /* __MPU_H_ */