* the value in channel will be suppressed for attribute
* but not for event codes. Typically set it to 0 when
* the index is false.
- * @shared_handler: Single handler for the events registered.
*/
struct iio_chan_spec {
enum iio_chan_type type;
unsigned processed_val:1;
unsigned modified:1;
unsigned indexed:1;
- /* TODO: investigate pushing shared event handling out to
- * the drivers */
- struct iio_event_handler_list *shared_handler;
};
/* Meant for internal use only */
void __iio_device_attr_deinit(struct device_attribute *dev_attr);
{ .sign = si, .realbits = rb, .storagebits = sb, .shift = sh }
#define IIO_CHAN(_type, _mod, _indexed, _proc, _name, _chan, _chan2, \
- _inf_mask, _address, _si, _stype, _event_mask, \
- _handler) \
+ _inf_mask, _address, _si, _stype, _event_mask) \
{ .type = _type, \
.modified = _mod, \
.indexed = _indexed, \
.address = _address, \
.scan_index = _si, \
.scan_type = _stype, \
- .event_mask = _event_mask, \
- .shared_handler = _handler }
+ .event_mask = _event_mask }
#define IIO_CHAN_SOFT_TIMESTAMP(_si) \
{ .type = IIO_TIMESTAMP, .channel = -1, \
return timespec_to_ns(&ts);
}
-/**
- * iio_add_event_to_list() - Wraps adding to event lists
- * @el: the list element of the event to be handled.
- * @head: the list associated with the event handler being used.
- *
- * Does reference counting to allow shared handlers.
- **/
-void iio_add_event_to_list(struct iio_event_handler_list *el,
- struct list_head *head);
-
-/**
- * iio_remove_event_from_list() - Wraps removing from event list
- * @el: element to be removed
- * @head: associate list head for the interrupt handler.
- *
- * Does reference counting to allow shared handlers.
- **/
-void iio_remove_event_from_list(struct iio_event_handler_list *el,
- struct list_head *head);
-
/* Device operating modes */
#define INDIO_DIRECT_MODE 0x01
#define INDIO_RING_TRIGGERED 0x02
* @driver_module: [DRIVER] module structure used to ensure correct
* ownership of chrdevs etc
* @num_interrupt_lines:[DRIVER] number of physical interrupt lines from device
- * @interrupts: [INTERN] interrupt line specific event lists etc
* @event_attrs: [DRIVER] event control attributes
* @event_conf_attrs: [DRIVER] event configuration attributes
* @event_interfaces: [INTERN] event chrdevs associated with interrupt lines
struct module *driver_module;
int num_interrupt_lines;
- struct iio_interrupt **interrupts;
struct attribute_group *event_attrs;
struct attribute_group *event_conf_attrs;
int (*write_event_config)(struct iio_dev *indio_dev,
int event_code,
- struct iio_event_handler_list *listel,
int state);
int (*read_event_value)(struct iio_dev *indio_dev,
**/
void iio_device_unregister(struct iio_dev *dev_info);
-/**
- * struct iio_interrupt - wrapper used to allow easy handling of multiple
- * physical interrupt lines
- * @dev_info: the iio device for which the is an interrupt line
- * @line_number: associated line number
- * @id: ida allocated unique id number
- * @irq: associate interrupt number
- * @ev_list: event handler list for associated events
- * @ev_list_lock: ensure only one access to list at a time
- **/
-struct iio_interrupt {
- struct iio_dev *dev_info;
- int line_number;
- int id;
- int irq;
- struct list_head ev_list;
- spinlock_t ev_list_lock;
-};
-
-#define to_iio_interrupt(i) container_of(i, struct iio_interrupt, ev_list)
-
-/**
- * iio_register_interrupt_line() - Tell IIO about interrupt lines
- *
- * @irq: Typically provided via platform data
- * @dev_info: IIO device info structure for device
- * @line_number: Which interrupt line of the device is this?
- * @type: Interrupt type (e.g. edge triggered etc)
- * @name: Identifying name.
- **/
-int iio_register_interrupt_line(unsigned int irq,
- struct iio_dev *dev_info,
- int line_number,
- unsigned long type,
- const char *name);
-
-void iio_unregister_interrupt_line(struct iio_dev *dev_info,
- int line_number);
-
-
-/* temporarily exported to allow moving of interrupt requesting into drivers */
-irqreturn_t iio_interrupt_handler(int irq, void *_int_info);
-
/**
* iio_push_event() - try to add event to the list for userspace reading
* @dev_info: IIO device structure
int ev_code,
s64 timestamp);
-/**
- * __iio_push_event() - tries to add an event to the list associated with a chrdev
- * @ev_int: the event interface to which we are pushing the event
- * @ev_code: the outgoing event code
- * @timestamp: timestamp of the event
- **/
-int __iio_push_event(struct iio_event_interface *ev_int,
- int ev_code,
- s64 timestamp);
-
/**
* iio_allocate_chrdev() - Allocate a chrdev
* @handler: struct that contains relevant file handling for chrdev
git.openpandora.org / pandora-kernel.git / blobdiff