| /* The industrial I/O core, trigger consumer functions |
| * |
| * Copyright (c) 2008-2011 Jonathan Cameron |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| */ |
| |
| /** |
| * 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; |
| }; |
| |
| |
| 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); |
| |
| /* |
| * Two functions for common case where all that happens is a pollfunc |
| * is attached and detached from a trigger |
| */ |
| int iio_triggered_buffer_postenable(struct iio_dev *indio_dev); |
| int iio_triggered_buffer_predisable(struct iio_dev *indio_dev); |