1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Industrial I/O software device interface
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2016 Intel Corporation
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef __IIO_SW_DEVICE
9*4882a593Smuzhiyun #define __IIO_SW_DEVICE
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/module.h>
12*4882a593Smuzhiyun #include <linux/device.h>
13*4882a593Smuzhiyun #include <linux/iio/iio.h>
14*4882a593Smuzhiyun #include <linux/configfs.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #define module_iio_sw_device_driver(__iio_sw_device_type) \
17*4882a593Smuzhiyun module_driver(__iio_sw_device_type, iio_register_sw_device_type, \
18*4882a593Smuzhiyun iio_unregister_sw_device_type)
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun struct iio_sw_device_ops;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun struct iio_sw_device_type {
23*4882a593Smuzhiyun const char *name;
24*4882a593Smuzhiyun struct module *owner;
25*4882a593Smuzhiyun const struct iio_sw_device_ops *ops;
26*4882a593Smuzhiyun struct list_head list;
27*4882a593Smuzhiyun struct config_group *group;
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun struct iio_sw_device {
31*4882a593Smuzhiyun struct iio_dev *device;
32*4882a593Smuzhiyun struct iio_sw_device_type *device_type;
33*4882a593Smuzhiyun struct config_group group;
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun struct iio_sw_device_ops {
37*4882a593Smuzhiyun struct iio_sw_device* (*probe)(const char *);
38*4882a593Smuzhiyun int (*remove)(struct iio_sw_device *);
39*4882a593Smuzhiyun };
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun static inline
to_iio_sw_device(struct config_item * item)42*4882a593Smuzhiyun struct iio_sw_device *to_iio_sw_device(struct config_item *item)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun return container_of(to_config_group(item), struct iio_sw_device,
45*4882a593Smuzhiyun group);
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun int iio_register_sw_device_type(struct iio_sw_device_type *dt);
49*4882a593Smuzhiyun void iio_unregister_sw_device_type(struct iio_sw_device_type *dt);
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun struct iio_sw_device *iio_sw_device_create(const char *, const char *);
52*4882a593Smuzhiyun void iio_sw_device_destroy(struct iio_sw_device *);
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun int iio_sw_device_type_configfs_register(struct iio_sw_device_type *dt);
55*4882a593Smuzhiyun void iio_sw_device_type_configfs_unregister(struct iio_sw_device_type *dt);
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun static inline
iio_swd_group_init_type_name(struct iio_sw_device * d,const char * name,const struct config_item_type * type)58*4882a593Smuzhiyun void iio_swd_group_init_type_name(struct iio_sw_device *d,
59*4882a593Smuzhiyun const char *name,
60*4882a593Smuzhiyun const struct config_item_type *type)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_CONFIGFS_FS)
63*4882a593Smuzhiyun config_group_init_type_name(&d->group, name, type);
64*4882a593Smuzhiyun #endif
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun #endif /* __IIO_SW_DEVICE */
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