| Jonathan Cameron | 847ec80 | 2009-08-18 18:06:19 +0100 | [diff] [blame] | 1 | /* The industrial I/O core - character device related |
| 2 | * |
| 3 | * Copyright (c) 2008 Jonathan Cameron |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 as published by |
| 7 | * the Free Software Foundation. |
| 8 | */ |
| 9 | |
| 10 | #ifndef _IIO_CHRDEV_H_ |
| 11 | #define _IIO_CHRDEV_H_ |
| Jonathan Cameron | 847ec80 | 2009-08-18 18:06:19 +0100 | [diff] [blame] | 12 | |
| 13 | /** |
| Jonathan Cameron | 847ec80 | 2009-08-18 18:06:19 +0100 | [diff] [blame] | 14 | * struct iio_event_data - The actual event being pushed to userspace |
| 15 | * @id: event identifier |
| Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 16 | * @timestamp: best estimate of time of event occurrence (often from |
| Jonathan Cameron | 847ec80 | 2009-08-18 18:06:19 +0100 | [diff] [blame] | 17 | * the interrupt handler) |
| 18 | */ |
| 19 | struct iio_event_data { |
| Jonathan Cameron | 330c6c5 | 2011-09-02 17:14:39 +0100 | [diff] [blame] | 20 | u64 id; |
| Jonathan Cameron | 847ec80 | 2009-08-18 18:06:19 +0100 | [diff] [blame] | 21 | s64 timestamp; |
| 22 | }; |
| 23 | |
| Jonathan Cameron | 8e7d967 | 2011-08-30 12:32:45 +0100 | [diff] [blame] | 24 | #define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int) |
| Jonathan Cameron | 847ec80 | 2009-08-18 18:06:19 +0100 | [diff] [blame] | 25 | #endif |