d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Industrial I/O software trigger interface
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*
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* Copyright (c) 2015 Intel Corporation
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*/
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#ifndef __IIO_SW_TRIGGER
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#define __IIO_SW_TRIGGER
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/iio/iio.h>
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#include <linux/configfs.h>
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#define module_iio_sw_trigger_driver(__iio_sw_trigger_type) \
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module_driver(__iio_sw_trigger_type, iio_register_sw_trigger_type, \
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iio_unregister_sw_trigger_type)
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struct iio_sw_trigger_ops;
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struct iio_sw_trigger_type {
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const char *name;
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struct module *owner;
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const struct iio_sw_trigger_ops *ops;
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struct list_head list;
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struct config_group *group;
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};
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struct iio_sw_trigger {
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struct iio_trigger *trigger;
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struct iio_sw_trigger_type *trigger_type;
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struct config_group group;
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};
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struct iio_sw_trigger_ops {
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struct iio_sw_trigger* (*probe)(const char *);
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int (*remove)(struct iio_sw_trigger *);
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};
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static inline
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struct iio_sw_trigger *to_iio_sw_trigger(struct config_item *item)
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{
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return container_of(to_config_group(item), struct iio_sw_trigger,
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group);
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}
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int iio_register_sw_trigger_type(struct iio_sw_trigger_type *tt);
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void iio_unregister_sw_trigger_type(struct iio_sw_trigger_type *tt);
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struct iio_sw_trigger *iio_sw_trigger_create(const char *, const char *);
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void iio_sw_trigger_destroy(struct iio_sw_trigger *);
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int iio_sw_trigger_type_configfs_register(struct iio_sw_trigger_type *tt);
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void iio_sw_trigger_type_configfs_unregister(struct iio_sw_trigger_type *tt);
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static inline
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void iio_swt_group_init_type_name(struct iio_sw_trigger *t,
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const char *name,
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const struct config_item_type *type)
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{
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#if IS_ENABLED(CONFIG_CONFIGFS_FS)
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config_group_init_type_name(&t->group, name, type);
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#endif
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}
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#endif /* __IIO_SW_TRIGGER */
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