diff options
Diffstat (limited to 'drivers/iio/imu-aosp/inv_mpu6050/inv_mpu_iio.h')
| -rw-r--r-- | drivers/iio/imu-aosp/inv_mpu6050/inv_mpu_iio.h | 246 | 
1 files changed, 0 insertions, 246 deletions
diff --git a/drivers/iio/imu-aosp/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu-aosp/inv_mpu6050/inv_mpu_iio.h deleted file mode 100644 index f38395529a4..00000000000 --- a/drivers/iio/imu-aosp/inv_mpu6050/inv_mpu_iio.h +++ /dev/null @@ -1,246 +0,0 @@ -/* -* Copyright (C) 2012 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. -*/ -#include <linux/i2c.h> -#include <linux/kfifo.h> -#include <linux/spinlock.h> -#include <linux/iio/iio.h> -#include <linux/iio/buffer.h> -#include <linux/iio/sysfs.h> -#include <linux/iio/kfifo_buf.h> -#include <linux/iio/trigger.h> -#include <linux/iio/triggered_buffer.h> -#include <linux/iio/trigger_consumer.h> -#include <linux/platform_data/invensense_mpu6050.h> - -/** - *  struct inv_mpu6050_reg_map - Notable registers. - *  @sample_rate_div:	Divider applied to gyro output rate. - *  @lpf:		Configures internal low pass filter. - *  @user_ctrl:		Enables/resets the FIFO. - *  @fifo_en:		Determines which data will appear in FIFO. - *  @gyro_config:	gyro config register. - *  @accl_config:	accel config register - *  @fifo_count_h:	Upper byte of FIFO count. - *  @fifo_r_w:		FIFO register. - *  @raw_gyro:		Address of first gyro register. - *  @raw_accl:		Address of first accel register. - *  @temperature:	temperature register - *  @int_enable:	Interrupt enable register. - *  @pwr_mgmt_1:	Controls chip's power state and clock source. - *  @pwr_mgmt_2:	Controls power state of individual sensors. - */ -struct inv_mpu6050_reg_map { -	u8 sample_rate_div; -	u8 lpf; -	u8 user_ctrl; -	u8 fifo_en; -	u8 gyro_config; -	u8 accl_config; -	u8 fifo_count_h; -	u8 fifo_r_w; -	u8 raw_gyro; -	u8 raw_accl; -	u8 temperature; -	u8 int_enable; -	u8 pwr_mgmt_1; -	u8 pwr_mgmt_2; -}; - -/*device enum */ -enum inv_devices { -	INV_MPU6050, -	INV_NUM_PARTS -}; - -/** - *  struct inv_mpu6050_chip_config - Cached chip configuration data. - *  @fsr:		Full scale range. - *  @lpf:		Digital low pass filter frequency. - *  @accl_fs:		accel full scale range. - *  @enable:		master enable state. - *  @accl_fifo_enable:	enable accel data output - *  @gyro_fifo_enable:	enable gyro data output - *  @fifo_rate:		FIFO update rate. - */ -struct inv_mpu6050_chip_config { -	unsigned int fsr:2; -	unsigned int lpf:3; -	unsigned int accl_fs:2; -	unsigned int enable:1; -	unsigned int accl_fifo_enable:1; -	unsigned int gyro_fifo_enable:1; -	u16 fifo_rate; -}; - -/** - *  struct inv_mpu6050_hw - Other important hardware information. - *  @num_reg:	Number of registers on device. - *  @name:      name of the chip. - *  @reg:   register map of the chip. - *  @config:    configuration of the chip. - */ -struct inv_mpu6050_hw { -	u8 num_reg; -	u8 *name; -	const struct inv_mpu6050_reg_map *reg; -	const struct inv_mpu6050_chip_config *config; -}; - -/* - *  struct inv_mpu6050_state - Driver state variables. - *  @TIMESTAMP_FIFO_SIZE: fifo size for timestamp. - *  @trig:              IIO trigger. - *  @chip_config:	Cached attribute information. - *  @reg:		Map of important registers. - *  @hw:		Other hardware-specific information. - *  @chip_type:		chip type. - *  @time_stamp_lock:	spin lock to time stamp. - *  @client:		i2c client handle. - *  @plat_data:		platform data. - *  @timestamps:        kfifo queue to store time stamp. - */ -struct inv_mpu6050_state { -#define TIMESTAMP_FIFO_SIZE 16 -	struct iio_trigger  *trig; -	struct inv_mpu6050_chip_config chip_config; -	const struct inv_mpu6050_reg_map *reg; -	const struct inv_mpu6050_hw *hw; -	enum   inv_devices chip_type; -	spinlock_t time_stamp_lock; -	struct i2c_client *client; -	struct inv_mpu6050_platform_data plat_data; -	DECLARE_KFIFO(timestamps, long long, TIMESTAMP_FIFO_SIZE); -}; - -/*register and associated bit definition*/ -#define INV_MPU6050_REG_SAMPLE_RATE_DIV     0x19 -#define INV_MPU6050_REG_CONFIG              0x1A -#define INV_MPU6050_REG_GYRO_CONFIG         0x1B -#define INV_MPU6050_REG_ACCEL_CONFIG	    0x1C - -#define INV_MPU6050_REG_FIFO_EN             0x23 -#define INV_MPU6050_BIT_ACCEL_OUT                   0x08 -#define INV_MPU6050_BITS_GYRO_OUT                   0x70 - -#define INV_MPU6050_REG_INT_ENABLE          0x38 -#define INV_MPU6050_BIT_DATA_RDY_EN                 0x01 -#define INV_MPU6050_BIT_DMP_INT_EN                  0x02 - -#define INV_MPU6050_REG_RAW_ACCEL           0x3B -#define INV_MPU6050_REG_TEMPERATURE         0x41 -#define INV_MPU6050_REG_RAW_GYRO            0x43 - -#define INV_MPU6050_REG_USER_CTRL           0x6A -#define INV_MPU6050_BIT_FIFO_RST                    0x04 -#define INV_MPU6050_BIT_DMP_RST                     0x08 -#define INV_MPU6050_BIT_I2C_MST_EN                  0x20 -#define INV_MPU6050_BIT_FIFO_EN                     0x40 -#define INV_MPU6050_BIT_DMP_EN                      0x80 - -#define INV_MPU6050_REG_PWR_MGMT_1          0x6B -#define INV_MPU6050_BIT_H_RESET                     0x80 -#define INV_MPU6050_BIT_SLEEP                       0x40 -#define INV_MPU6050_BIT_CLK_MASK                    0x7 - -#define INV_MPU6050_REG_PWR_MGMT_2          0x6C -#define INV_MPU6050_BIT_PWR_ACCL_STBY               0x38 -#define INV_MPU6050_BIT_PWR_GYRO_STBY               0x07 - -#define INV_MPU6050_REG_FIFO_COUNT_H        0x72 -#define INV_MPU6050_REG_FIFO_R_W            0x74 - -#define INV_MPU6050_BYTES_PER_3AXIS_SENSOR   6 -#define INV_MPU6050_FIFO_COUNT_BYTE          2 -#define INV_MPU6050_FIFO_THRESHOLD           500 -#define INV_MPU6050_POWER_UP_TIME            100 -#define INV_MPU6050_TEMP_UP_TIME             100 -#define INV_MPU6050_SENSOR_UP_TIME           30 -#define INV_MPU6050_REG_UP_TIME              5 - -#define INV_MPU6050_TEMP_OFFSET	             12421 -#define INV_MPU6050_TEMP_SCALE               2941 -#define INV_MPU6050_MAX_GYRO_FS_PARAM        3 -#define INV_MPU6050_MAX_ACCL_FS_PARAM        3 -#define INV_MPU6050_THREE_AXIS               3 -#define INV_MPU6050_GYRO_CONFIG_FSR_SHIFT    3 -#define INV_MPU6050_ACCL_CONFIG_FSR_SHIFT    3 - -/* 6 + 6 round up and plus 8 */ -#define INV_MPU6050_OUTPUT_DATA_SIZE         24 - -/* init parameters */ -#define INV_MPU6050_INIT_FIFO_RATE           50 -#define INV_MPU6050_TIME_STAMP_TOR                        5 -#define INV_MPU6050_MAX_FIFO_RATE                         1000 -#define INV_MPU6050_MIN_FIFO_RATE                         4 -#define INV_MPU6050_ONE_K_HZ                              1000 - -/* scan element definition */ -enum inv_mpu6050_scan { -	INV_MPU6050_SCAN_ACCL_X, -	INV_MPU6050_SCAN_ACCL_Y, -	INV_MPU6050_SCAN_ACCL_Z, -	INV_MPU6050_SCAN_GYRO_X, -	INV_MPU6050_SCAN_GYRO_Y, -	INV_MPU6050_SCAN_GYRO_Z, -	INV_MPU6050_SCAN_TIMESTAMP, -}; - -enum inv_mpu6050_filter_e { -	INV_MPU6050_FILTER_256HZ_NOLPF2 = 0, -	INV_MPU6050_FILTER_188HZ, -	INV_MPU6050_FILTER_98HZ, -	INV_MPU6050_FILTER_42HZ, -	INV_MPU6050_FILTER_20HZ, -	INV_MPU6050_FILTER_10HZ, -	INV_MPU6050_FILTER_5HZ, -	INV_MPU6050_FILTER_2100HZ_NOLPF, -	NUM_MPU6050_FILTER -}; - -/* IIO attribute address */ -enum INV_MPU6050_IIO_ATTR_ADDR { -	ATTR_GYRO_MATRIX, -	ATTR_ACCL_MATRIX, -}; - -enum inv_mpu6050_accl_fs_e { -	INV_MPU6050_FS_02G = 0, -	INV_MPU6050_FS_04G, -	INV_MPU6050_FS_08G, -	INV_MPU6050_FS_16G, -	NUM_ACCL_FSR -}; - -enum inv_mpu6050_fsr_e { -	INV_MPU6050_FSR_250DPS = 0, -	INV_MPU6050_FSR_500DPS, -	INV_MPU6050_FSR_1000DPS, -	INV_MPU6050_FSR_2000DPS, -	NUM_MPU6050_FSR -}; - -enum inv_mpu6050_clock_sel_e { -	INV_CLK_INTERNAL = 0, -	INV_CLK_PLL, -	NUM_CLK -}; - -irqreturn_t inv_mpu6050_irq_handler(int irq, void *p); -irqreturn_t inv_mpu6050_read_fifo(int irq, void *p); -int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev); -void inv_mpu6050_remove_trigger(struct inv_mpu6050_state *st); -int inv_reset_fifo(struct iio_dev *indio_dev); -int inv_mpu6050_switch_engine(struct inv_mpu6050_state *st, bool en, u32 mask); -int inv_mpu6050_write_reg(struct inv_mpu6050_state *st, int reg, u8 val); -int inv_mpu6050_set_power_itg(struct inv_mpu6050_state *st, bool power_on);  |