#include <linux/irq.h>
#include <linux/module.h>
#include <linux/atomic.h>
#ifndef _IIO_TRIGGER_H_
#define _IIO_TRIGGER_H_
#ifdef CONFIG_IIO_TRIGGER
struct iio_subirq {
bool enabled;
};
struct iio_dev;
struct iio_trigger;
struct iio_trigger_ops {
int (*set_trigger_state)(struct iio_trigger *trig, bool state);
void (*reenable)(struct iio_trigger *trig);
int (*validate_device)(struct iio_trigger *trig,
struct iio_dev *indio_dev);
};
struct iio_trigger {
const struct iio_trigger_ops *ops;
struct module *owner;
int id;
const char *name;
struct device dev;
struct list_head list;
struct list_head alloc_list;
atomic_t 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;
bool attached_own_device;
};
static inline struct iio_trigger *to_iio_trigger(struct device *d)
{
return container_of(d, struct iio_trigger, dev);
}
static inline void iio_trigger_put(struct iio_trigger *trig)
{
module_put(trig->owner);
put_device(&trig->dev);
}
static inline struct iio_trigger *iio_trigger_get(struct iio_trigger *trig)
{
get_device(&trig->dev);
__module_get(trig->owner);
return trig;
}
static inline void iio_trigger_set_drvdata(struct iio_trigger *trig, void *data)
{
dev_set_drvdata(&trig->dev, data);
}
static inline void *iio_trigger_get_drvdata(struct iio_trigger *trig)
{
return dev_get_drvdata(&trig->dev);
}
#define iio_trigger_register(trig_info) \
__iio_trigger_register((trig_info), THIS_MODULE)
int __iio_trigger_register(struct iio_trigger *trig_info,
struct module *this_mod);
#define devm_iio_trigger_register(dev, trig_info) \
__devm_iio_trigger_register((dev), (trig_info), THIS_MODULE)
int __devm_iio_trigger_register(struct device *dev,
struct iio_trigger *trig_info,
struct module *this_mod);
void iio_trigger_unregister(struct iio_trigger *trig_info);
int iio_trigger_set_immutable(struct iio_dev *indio_dev, struct iio_trigger *trig);
void iio_trigger_poll(struct iio_trigger *trig);
void iio_trigger_poll_chained(struct iio_trigger *trig);
irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private);
__printf(1, 2) struct iio_trigger *iio_trigger_alloc(const char *fmt, ...);
void iio_trigger_free(struct iio_trigger *trig);
bool iio_trigger_using_own(struct iio_dev *indio_dev);
int iio_trigger_validate_own_device(struct iio_trigger *trig,
struct iio_dev *indio_dev);
#else
struct iio_trigger;
struct iio_trigger_ops;
#endif
#endif /* _IIO_TRIGGER_H_ */