mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.7 KiB
95 lines
2.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef _BMC150_ACCEL_H_ |
|
#define _BMC150_ACCEL_H_ |
|
|
|
#include <linux/atomic.h> |
|
#include <linux/iio/iio.h> |
|
#include <linux/mutex.h> |
|
#include <linux/regulator/consumer.h> |
|
#include <linux/workqueue.h> |
|
|
|
struct regmap; |
|
struct i2c_client; |
|
struct bmc150_accel_chip_info; |
|
struct bmc150_accel_interrupt_info; |
|
|
|
/* |
|
* We can often guess better than "UNKNOWN" based on the device IDs |
|
* but unfortunately this information is not always accurate. There are some |
|
* devices where ACPI firmware specifies an ID like "BMA250E" when the device |
|
* actually has a BMA222E. The driver attempts to detect those by reading the |
|
* chip ID from the registers but this information is not always enough either. |
|
* |
|
* Therefore, this enum should be only used when the chip ID detection is not |
|
* enough and we can be reasonably sure that the device IDs are reliable |
|
* in practice (e.g. for device tree platforms). |
|
*/ |
|
enum bmc150_type { |
|
BOSCH_UNKNOWN, |
|
BOSCH_BMC156, |
|
}; |
|
|
|
struct bmc150_accel_interrupt { |
|
const struct bmc150_accel_interrupt_info *info; |
|
atomic_t users; |
|
}; |
|
|
|
struct bmc150_accel_trigger { |
|
struct bmc150_accel_data *data; |
|
struct iio_trigger *indio_trig; |
|
int (*setup)(struct bmc150_accel_trigger *t, bool state); |
|
int intr; |
|
bool enabled; |
|
}; |
|
|
|
enum bmc150_accel_interrupt_id { |
|
BMC150_ACCEL_INT_DATA_READY, |
|
BMC150_ACCEL_INT_ANY_MOTION, |
|
BMC150_ACCEL_INT_WATERMARK, |
|
BMC150_ACCEL_INTERRUPTS, |
|
}; |
|
|
|
enum bmc150_accel_trigger_id { |
|
BMC150_ACCEL_TRIGGER_DATA_READY, |
|
BMC150_ACCEL_TRIGGER_ANY_MOTION, |
|
BMC150_ACCEL_TRIGGERS, |
|
}; |
|
|
|
struct bmc150_accel_data { |
|
struct regmap *regmap; |
|
struct regulator_bulk_data regulators[2]; |
|
struct bmc150_accel_interrupt interrupts[BMC150_ACCEL_INTERRUPTS]; |
|
struct bmc150_accel_trigger triggers[BMC150_ACCEL_TRIGGERS]; |
|
struct mutex mutex; |
|
u8 fifo_mode, watermark; |
|
s16 buffer[8]; |
|
/* |
|
* Ensure there is sufficient space and correct alignment for |
|
* the timestamp if enabled |
|
*/ |
|
struct { |
|
__le16 channels[3]; |
|
s64 ts __aligned(8); |
|
} scan; |
|
u8 bw_bits; |
|
u32 slope_dur; |
|
u32 slope_thres; |
|
u32 range; |
|
int ev_enable_state; |
|
int64_t timestamp, old_timestamp; /* Only used in hw fifo mode. */ |
|
const struct bmc150_accel_chip_info *chip_info; |
|
enum bmc150_type type; |
|
struct i2c_client *second_device; |
|
void (*resume_callback)(struct device *dev); |
|
struct delayed_work resume_work; |
|
struct iio_mount_matrix orientation; |
|
}; |
|
|
|
int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq, |
|
enum bmc150_type type, const char *name, |
|
bool block_supported); |
|
int bmc150_accel_core_remove(struct device *dev); |
|
extern const struct dev_pm_ops bmc150_accel_pm_ops; |
|
extern const struct regmap_config bmc150_regmap_conf; |
|
|
|
#endif /* _BMC150_ACCEL_H_ */
|
|
|