| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * Industrial I/O software device interface |
| 4 | * |
| 5 | * Copyright (c) 2016 Intel Corporation |
| 6 | */ |
| 7 | |
| 8 | #ifndef __IIO_SW_DEVICE |
| 9 | #define __IIO_SW_DEVICE |
| 10 | |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/device.h> |
| 13 | #include <linux/iio/iio.h> |
| 14 | #include <linux/configfs.h> |
| 15 | |
| 16 | #define module_iio_sw_device_driver(__iio_sw_device_type) \ |
| 17 | module_driver(__iio_sw_device_type, iio_register_sw_device_type, \ |
| 18 | iio_unregister_sw_device_type) |
| 19 | |
| 20 | struct iio_sw_device_ops; |
| 21 | |
| 22 | struct iio_sw_device_type { |
| 23 | const char *name; |
| 24 | struct module *owner; |
| 25 | const struct iio_sw_device_ops *ops; |
| 26 | struct list_head list; |
| 27 | struct config_group *group; |
| 28 | }; |
| 29 | |
| 30 | struct iio_sw_device { |
| 31 | struct iio_dev *device; |
| 32 | struct iio_sw_device_type *device_type; |
| 33 | struct config_group group; |
| 34 | }; |
| 35 | |
| 36 | struct iio_sw_device_ops { |
| 37 | struct iio_sw_device* (*probe)(const char *); |
| 38 | int (*remove)(struct iio_sw_device *); |
| 39 | }; |
| 40 | |
| 41 | static inline |
| 42 | struct iio_sw_device *to_iio_sw_device(struct config_item *item) |
| 43 | { |
| 44 | return container_of(to_config_group(item), struct iio_sw_device, |
| 45 | group); |
| 46 | } |
| 47 | |
| 48 | int iio_register_sw_device_type(struct iio_sw_device_type *dt); |
| 49 | void iio_unregister_sw_device_type(struct iio_sw_device_type *dt); |
| 50 | |
| 51 | struct iio_sw_device *iio_sw_device_create(const char *, const char *); |
| 52 | void iio_sw_device_destroy(struct iio_sw_device *); |
| 53 | |
| 54 | static inline |
| 55 | void iio_swd_group_init_type_name(struct iio_sw_device *d, |
| 56 | const char *name, |
| 57 | const struct config_item_type *type) |
| 58 | { |
| 59 | #if IS_ENABLED(CONFIG_CONFIGFS_FS) |
| 60 | config_group_init_type_name(group: &d->group, name, type); |
| 61 | #endif |
| 62 | } |
| 63 | |
| 64 | #endif /* __IIO_SW_DEVICE */ |
| 65 |