// SPDX-License-Identifier: GPL-2.0-only /* * BMG160 Gyro Sensor driver * Copyright (c) 2014, Intel Corporation. */ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/acpi.h> #include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> #include <linux/iio/trigger.h> #include <linux/iio/events.h> #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include "bmg160.h" #define BMG160_IRQ_NAME … #define BMG160_REG_CHIP_ID … #define BMG160_CHIP_ID_VAL … #define BMG160_REG_PMU_LPW … #define BMG160_MODE_NORMAL … #define BMG160_MODE_DEEP_SUSPEND … #define BMG160_MODE_SUSPEND … #define BMG160_REG_RANGE … #define BMG160_RANGE_2000DPS … #define BMG160_RANGE_1000DPS … #define BMG160_RANGE_500DPS … #define BMG160_RANGE_250DPS … #define BMG160_RANGE_125DPS … #define BMG160_REG_PMU_BW … #define BMG160_NO_FILTER … #define BMG160_DEF_BW … #define BMG160_REG_PMU_BW_RES … #define BMG160_GYRO_REG_RESET … #define BMG160_GYRO_RESET_VAL … #define BMG160_REG_INT_MAP_0 … #define BMG160_INT_MAP_0_BIT_ANY … #define BMG160_REG_INT_MAP_1 … #define BMG160_INT_MAP_1_BIT_NEW_DATA … #define BMG160_REG_INT_RST_LATCH … #define BMG160_INT_MODE_LATCH_RESET … #define BMG160_INT_MODE_LATCH_INT … #define BMG160_INT_MODE_NON_LATCH_INT … #define BMG160_REG_INT_EN_0 … #define BMG160_DATA_ENABLE_INT … #define BMG160_REG_INT_EN_1 … #define BMG160_INT1_BIT_OD … #define BMG160_REG_XOUT_L … #define BMG160_AXIS_TO_REG(axis) … #define BMG160_REG_SLOPE_THRES … #define BMG160_SLOPE_THRES_MASK … #define BMG160_REG_MOTION_INTR … #define BMG160_INT_MOTION_X … #define BMG160_INT_MOTION_Y … #define BMG160_INT_MOTION_Z … #define BMG160_ANY_DUR_MASK … #define BMG160_ANY_DUR_SHIFT … #define BMG160_REG_INT_STATUS_2 … #define BMG160_ANY_MOTION_MASK … #define BMG160_ANY_MOTION_BIT_X … #define BMG160_ANY_MOTION_BIT_Y … #define BMG160_ANY_MOTION_BIT_Z … #define BMG160_REG_TEMP … #define BMG160_TEMP_CENTER_VAL … #define BMG160_MAX_STARTUP_TIME_MS … #define BMG160_AUTO_SUSPEND_DELAY_MS … struct bmg160_data { … }; enum bmg160_axis { … }; static const struct { … } bmg160_samp_freq_table[] = …; static const struct { … } bmg160_scale_table[] = …; static int bmg160_set_mode(struct bmg160_data *data, u8 mode) { … } static int bmg160_convert_freq_to_bit(int val) { … } static int bmg160_set_bw(struct bmg160_data *data, int val) { … } static int bmg160_get_filter(struct bmg160_data *data, int *val) { … } static int bmg160_set_filter(struct bmg160_data *data, int val) { … } static int bmg160_chip_init(struct bmg160_data *data) { … } static int bmg160_set_power_state(struct bmg160_data *data, bool on) { … } static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data, bool status) { … } static int bmg160_setup_new_data_interrupt(struct bmg160_data *data, bool status) { … } static int bmg160_get_bw(struct bmg160_data *data, int *val) { … } static int bmg160_set_scale(struct bmg160_data *data, int val) { … } static int bmg160_get_temp(struct bmg160_data *data, int *val) { … } static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val) { … } static int bmg160_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { … } static int bmg160_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long mask) { … } static int bmg160_read_event(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, enum iio_event_info info, int *val, int *val2) { … } static int bmg160_write_event(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, enum iio_event_info info, int val, int val2) { … } static int bmg160_read_event_config(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir) { … } static int bmg160_write_event_config(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, int state) { … } static const struct iio_mount_matrix * bmg160_get_mount_matrix(const struct iio_dev *indio_dev, const struct iio_chan_spec *chan) { … } static const struct iio_chan_spec_ext_info bmg160_ext_info[] = …; static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("100 200 400 1000 2000"); static IIO_CONST_ATTR(in_anglvel_scale_available, "0.001065 0.000532 0.000266 0.000133 0.000066"); static struct attribute *bmg160_attributes[] = …; static const struct attribute_group bmg160_attrs_group = …; static const struct iio_event_spec bmg160_event = …; #define BMG160_CHANNEL(_axis) … static const struct iio_chan_spec bmg160_channels[] = …; static const struct iio_info bmg160_info = …; static const unsigned long bmg160_accel_scan_masks[] = …; static irqreturn_t bmg160_trigger_handler(int irq, void *p) { … } static void bmg160_trig_reen(struct iio_trigger *trig) { … } static int bmg160_data_rdy_trigger_set_state(struct iio_trigger *trig, bool state) { … } static const struct iio_trigger_ops bmg160_trigger_ops = …; static irqreturn_t bmg160_event_handler(int irq, void *private) { … } static irqreturn_t bmg160_data_rdy_trig_poll(int irq, void *private) { … } static int bmg160_buffer_preenable(struct iio_dev *indio_dev) { … } static int bmg160_buffer_postdisable(struct iio_dev *indio_dev) { … } static const struct iio_buffer_setup_ops bmg160_buffer_setup_ops = …; static const char *bmg160_match_acpi_device(struct device *dev) { … } int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq, const char *name) { … } EXPORT_SYMBOL_GPL(…); void bmg160_core_remove(struct device *dev) { … } EXPORT_SYMBOL_GPL(…); #ifdef CONFIG_PM_SLEEP static int bmg160_suspend(struct device *dev) { … } static int bmg160_resume(struct device *dev) { … } #endif #ifdef CONFIG_PM static int bmg160_runtime_suspend(struct device *dev) { … } static int bmg160_runtime_resume(struct device *dev) { … } #endif const struct dev_pm_ops bmg160_pm_ops = …; EXPORT_SYMBOL_GPL(…); MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …;
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