diff options
Diffstat (limited to 'include/linux/iio/trigger_consumer.h')
| -rw-r--r-- | include/linux/iio/trigger_consumer.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h new file mode 100644 index 000000000..2c05dfad8 --- /dev/null +++ b/include/linux/iio/trigger_consumer.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* The industrial I/O core, trigger consumer functions + * + * Copyright (c) 2008-2011 Jonathan Cameron + */ + +#ifndef __LINUX_IIO_TRIGGER_CONSUMER_H__ +#define __LINUX_IIO_TRIGGER_CONSUMER_H__ + +#include <linux/interrupt.h> +#include <linux/types.h> + +struct iio_dev; +struct iio_trigger; + +/** + * struct iio_poll_func - poll function pair + * + * @indio_dev: data specific to device (passed into poll func) + * @h: the function that is actually run on trigger + * @thread: threaded interrupt part + * @type: the type of interrupt (basically if oneshot) + * @name: name used to identify the trigger consumer. + * @irq: the corresponding irq as allocated from the + * trigger pool + * @timestamp: some devices need a timestamp grabbed as soon + * as possible after the trigger - hence handler + * passes it via here. + **/ +struct iio_poll_func { + struct iio_dev *indio_dev; + irqreturn_t (*h)(int irq, void *p); + irqreturn_t (*thread)(int irq, void *p); + int type; + char *name; + int irq; + s64 timestamp; +}; + + +__printf(5, 6) struct iio_poll_func +*iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p), + irqreturn_t (*thread)(int irq, void *p), + int type, + struct iio_dev *indio_dev, + const char *fmt, + ...); +void iio_dealloc_pollfunc(struct iio_poll_func *pf); +irqreturn_t iio_pollfunc_store_time(int irq, void *p); + +void iio_trigger_notify_done(struct iio_trigger *trig); + +#endif |