projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| df9c1c42 JC |
1 | /* The industrial I/O core function defs. |
| 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 | * These definitions are meant for use only within the IIO core, not indvidual | |
| 10 | * drivers. | |
| 11 | */ | |
| 12 | ||
| 13 | /** | |
| 14 | * iio_device_get_chrdev_minor() - get an unused minor number | |
| 15 | **/ | |
| 16 | int iio_device_get_chrdev_minor(void); | |
| 17 | void iio_device_free_chrdev_minor(int val); | |
| 18 | ||
| 19 | ||
| 20 | /** | |
| 21 | * iio_put() - internal module reference count reduce | |
| 22 | **/ | |
| 23 | void iio_put(void); | |
| 24 | ||
| 25 | /** | |
| 26 | * iio_get() - internal module reference count increase | |
| 27 | **/ | |
| 28 | void iio_get(void); | |
| 29 | ||
| 30 | extern dev_t iio_devt; | |
| 31 | ||
| 32 | int __iio_add_chan_devattr(const char *postfix, | |
| 33 | const char *group, | |
| 34 | struct iio_chan_spec const *chan, | |
| 35 | ssize_t (*func)(struct device *dev, | |
| 36 | struct device_attribute *attr, | |
| 37 | char *buf), | |
| 38 | ssize_t (*writefunc)(struct device *dev, | |
| 39 | struct device_attribute *attr, | |
| 40 | const char *buf, | |
| 41 | size_t len), | |
| 42 | int mask, | |
| 43 | bool generic, | |
| 44 | struct device *dev, | |
| 45 | struct list_head *attr_list); | |
| 46 | ||
| 47 | /* Event interface flags */ | |
| 48 | #define IIO_BUSY_BIT_POS 1 |