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-rw-r--r--drivers/staging/iio/trigger.h119
1 files changed, 0 insertions, 119 deletions
diff --git a/drivers/staging/iio/trigger.h b/drivers/staging/iio/trigger.h
deleted file mode 100644
index 1cfca231db8..00000000000
--- a/drivers/staging/iio/trigger.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/* The industrial I/O core, trigger handling functions
- *
- * Copyright (c) 2008 Jonathan Cameron
- *
- * 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.
- */
-#include <linux/irq.h>
-#include <linux/module.h>
-
-#ifndef _IIO_TRIGGER_H_
-#define _IIO_TRIGGER_H_
-
-struct iio_subirq {
- bool enabled;
-};
-
-/**
- * struct iio_trigger_ops - operations structure for an iio_trigger.
- * @owner: used to monitor usage count of the trigger.
- * @set_trigger_state: switch on/off the trigger on demand
- * @try_reenable: function to reenable the trigger when the
- * use count is zero (may be NULL)
- * @validate_device: function to validate the device when the
- * current trigger gets changed.
- *
- * This is typically static const within a driver and shared by
- * instances of a given device.
- **/
-struct iio_trigger_ops {
- struct module *owner;
- int (*set_trigger_state)(struct iio_trigger *trig, bool state);
- int (*try_reenable)(struct iio_trigger *trig);
- int (*validate_device)(struct iio_trigger *trig,
- struct iio_dev *indio_dev);
-};
-
-
-/**
- * struct iio_trigger - industrial I/O trigger device
- *
- * @id: [INTERN] unique id number
- * @name: [DRIVER] unique name
- * @dev: [DRIVER] associated device (if relevant)
- * @private_data: [DRIVER] device specific data
- * @list: [INTERN] used in maintenance of global trigger list
- * @alloc_list: [DRIVER] used for driver specific trigger list
- * @use_count: use count for the trigger
- * @subirq_chip: [INTERN] associate 'virtual' irq chip.
- * @subirq_base: [INTERN] base number for irqs provided by trigger.
- * @subirqs: [INTERN] information about the 'child' irqs.
- * @pool: [INTERN] bitmap of irqs currently in use.
- * @pool_lock: [INTERN] protection of the irq pool.
- **/
-struct iio_trigger {
- const struct iio_trigger_ops *ops;
- int id;
- const char *name;
- struct device dev;
-
- void *private_data;
- struct list_head list;
- struct list_head alloc_list;
- int use_count;
-
- struct irq_chip subirq_chip;
- int subirq_base;
-
- struct iio_subirq subirqs[CONFIG_IIO_CONSUMERS_PER_TRIGGER];
- unsigned long pool[BITS_TO_LONGS(CONFIG_IIO_CONSUMERS_PER_TRIGGER)];
- struct mutex pool_lock;
-};
-
-
-static inline struct iio_trigger *to_iio_trigger(struct device *d)
-{
- return container_of(d, struct iio_trigger, dev);
-};
-
-static inline void iio_put_trigger(struct iio_trigger *trig)
-{
- module_put(trig->ops->owner);
- put_device(&trig->dev);
-};
-
-static inline void iio_get_trigger(struct iio_trigger *trig)
-{
- get_device(&trig->dev);
- __module_get(trig->ops->owner);
-};
-
-/**
- * iio_trigger_register() - register a trigger with the IIO core
- * @trig_info: trigger to be registered
- **/
-int iio_trigger_register(struct iio_trigger *trig_info);
-
-/**
- * iio_trigger_unregister() - unregister a trigger from the core
- * @trig_info: trigger to be unregistered
- **/
-void iio_trigger_unregister(struct iio_trigger *trig_info);
-
-/**
- * iio_trigger_poll() - called on a trigger occurring
- * @trig: trigger which occurred
- *
- * Typically called in relevant hardware interrupt handler.
- **/
-void iio_trigger_poll(struct iio_trigger *trig, s64 time);
-void iio_trigger_poll_chained(struct iio_trigger *trig, s64 time);
-
-irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private);
-
-__printf(1, 2) struct iio_trigger *iio_allocate_trigger(const char *fmt, ...);
-void iio_free_trigger(struct iio_trigger *trig);
-
-#endif /* _IIO_TRIGGER_H_ */