#include "iio.h"
-/**
- * struct iio_event_attr - event control attribute
- * @dev_attr: underlying device attribute
- * @mask: mask for the event when detecting
- * @listel: list header to allow addition to list of event handlers
-*/
-struct iio_event_attr {
- struct device_attribute dev_attr;
- int mask;
- struct iio_event_handler_list *listel;
-};
-
-#define to_iio_event_attr(_dev_attr) \
- container_of(_dev_attr, struct iio_event_attr, dev_attr)
-
/**
* struct iio_dev_attr - iio specific device attribute
* @dev_attr: underlying device attribute
* @address: associated register address
* @val2: secondary attribute value
+ * @l: list head for maintaining list of dynamically created attrs.
*/
struct iio_dev_attr {
struct device_attribute dev_attr;
int address;
int val2;
+ struct list_head l;
+ struct iio_chan_spec const *c;
};
#define to_iio_dev_attr(_dev_attr) \
#define IIO_DEV_ATTR_REV(_show) \
IIO_DEVICE_ATTR(revision, S_IRUGO, _show, NULL, 0)
-/**
- * IIO_DEV_ATTR_NAME - chip type dependent identifier
- * @_show: output method for the attribute
- **/
-#define IIO_DEV_ATTR_NAME(_show) \
- IIO_DEVICE_ATTR(name, S_IRUGO, _show, NULL, 0)
-
/**
* IIO_DEV_ATTR_RESET: resets the device
**/
#define IIO_CONST_ATTR_TEMP_SCALE(_string) \
IIO_CONST_ATTR(temp_scale, _string)
-/**
- * IIO_EVENT_SH - generic shared event handler
- * @_name: event name
- * @_handler: handler function to be called
- *
- * This is used in cases where more than one event may result from a single
- * handler. Often the case that some alarm register must be read and multiple
- * alarms may have been triggered.
- **/
-#define IIO_EVENT_SH(_name, _handler) \
- static struct iio_event_handler_list \
- iio_event_##_name = { \
- .handler = _handler, \
- .refcount = 0, \
- .exist_lock = __MUTEX_INITIALIZER(iio_event_##_name \
- .exist_lock), \
- .list = { \
- .next = &iio_event_##_name.list, \
- .prev = &iio_event_##_name.list, \
- }, \
- };
-
-/**
- * IIO_EVENT_ATTR_SH - generic shared event attribute
- * @_name: event name
- * @_ev_list: event handler list
- * @_show: output method for the attribute
- * @_store: input method for the attribute
- * @_mask: mask used when detecting the event
- *
- * An attribute with an associated IIO_EVENT_SH
- **/
-#define IIO_EVENT_ATTR_SH(_name, _ev_list, _show, _store, _mask) \
- static struct iio_event_attr \
- iio_event_attr_##_name \
- = { .dev_attr = __ATTR(_name, S_IRUGO | S_IWUSR, \
- _show, _store), \
- .mask = _mask, \
- .listel = &_ev_list };
-
-#define IIO_EVENT_ATTR_NAMED_SH(_vname, _name, _ev_list, _show, _store, _mask) \
- static struct iio_event_attr \
- iio_event_attr_##_vname \
- = { .dev_attr = __ATTR(_name, S_IRUGO | S_IWUSR, \
- _show, _store), \
- .mask = _mask, \
- .listel = &_ev_list };
-
-/**
- * IIO_EVENT_ATTR - non-shared event attribute
- * @_name: event name
- * @_show: output method for the attribute
- * @_store: input method for the attribute
- * @_mask: mask used when detecting the event
- * @_handler: handler function to be called
- **/
-#define IIO_EVENT_ATTR(_name, _show, _store, _mask, _handler) \
- IIO_EVENT_SH(_name, _handler); \
- static struct \
- iio_event_attr \
- iio_event_attr_##_name \
- = { .dev_attr = __ATTR(_name, S_IRUGO | S_IWUSR, \
- _show, _store), \
- .mask = _mask, \
- .listel = &iio_event_##_name }; \
-
-/**
- * IIO_EVENT_ATTR_DATA_RDY - event driven by data ready signal
- * @_show: output method for the attribute
- * @_store: input method for the attribute
- * @_mask: mask used when detecting the event
- * @_handler: handler function to be called
- *
- * Not typically implemented in devices where full triggering support
- * has been implemented.
- **/
-#define IIO_EVENT_ATTR_DATA_RDY(_show, _store, _mask, _handler) \
- IIO_EVENT_ATTR(data_rdy, _show, _store, _mask, _handler)
-
-#define IIO_EV_CLASS_BUFFER 0
-#define IIO_EV_CLASS_IN 1
-#define IIO_EV_CLASS_ACCEL 2
-#define IIO_EV_CLASS_GYRO 3
-#define IIO_EV_CLASS_MAGN 4
-#define IIO_EV_CLASS_LIGHT 5
-#define IIO_EV_CLASS_PROXIMITY 6
-
-#define IIO_EV_MOD_X 0
-#define IIO_EV_MOD_Y 1
-#define IIO_EV_MOD_Z 2
-#define IIO_EV_MOD_X_AND_Y 3
-#define IIO_EV_MOD_X_ANX_Z 4
-#define IIO_EV_MOD_Y_AND_Z 5
-#define IIO_EV_MOD_X_AND_Y_AND_Z 6
-#define IIO_EV_MOD_X_OR_Y 7
-#define IIO_EV_MOD_X_OR_Z 8
-#define IIO_EV_MOD_Y_OR_Z 9
-#define IIO_EV_MOD_X_OR_Y_OR_Z 10
+/* must match our channel defs */
+#define IIO_EV_CLASS_IN IIO_IN
+#define IIO_EV_CLASS_IN_DIFF IIO_IN_DIFF
+#define IIO_EV_CLASS_ACCEL IIO_ACCEL
+#define IIO_EV_CLASS_GYRO IIO_GYRO
+#define IIO_EV_CLASS_MAGN IIO_MAGN
+#define IIO_EV_CLASS_LIGHT IIO_LIGHT
+#define IIO_EV_CLASS_PROXIMITY IIO_PROXIMITY
+#define IIO_EV_CLASS_TEMP IIO_TEMP
+
+#define IIO_EV_MOD_X IIO_MOD_X
+#define IIO_EV_MOD_Y IIO_MOD_Y
+#define IIO_EV_MOD_Z IIO_MOD_Z
+#define IIO_EV_MOD_X_AND_Y IIO_MOD_X_AND_Y
+#define IIO_EV_MOD_X_ANX_Z IIO_MOD_X_AND_Z
+#define IIO_EV_MOD_Y_AND_Z IIO_MOD_Y_AND_Z
+#define IIO_EV_MOD_X_AND_Y_AND_Z IIO_MOD_X_AND_Y_AND_Z
+#define IIO_EV_MOD_X_OR_Y IIO_MOD_X_OR_Y
+#define IIO_EV_MOD_X_OR_Z IIO_MOD_X_OR_Z
+#define IIO_EV_MOD_Y_OR_Z IIO_MOD_Y_OR_Z
+#define IIO_EV_MOD_X_OR_Y_OR_Z IIO_MOD_X_OR_Y_OR_Z
#define IIO_EV_TYPE_THRESH 0
#define IIO_EV_TYPE_MAG 1
#define IIO_EV_DIR_RISING 1
#define IIO_EV_DIR_FALLING 2
+#define IIO_EV_TYPE_MAX 8
+#define IIO_EV_BIT(type, direction) \
+ (1 << (type*IIO_EV_TYPE_MAX + direction))
+
#define IIO_EVENT_CODE(channelclass, orient_bit, number, \
modifier, type, direction) \
(channelclass | (orient_bit << 8) | ((number) << 9) | \
#define IIO_BUFFER_EVENT_CODE(code) \
(IIO_EV_CLASS_BUFFER | (code << 8))
-/**
- * IIO_EVENT_ATTR_RING_50_FULL - ring buffer event to indicate 50% full
- * @_show: output method for the attribute
- * @_store: input method for the attribute
- * @_mask: mask used when detecting the event
- * @_handler: handler function to be called
- **/
-#define IIO_EVENT_ATTR_RING_50_FULL(_show, _store, _mask, _handler) \
- IIO_EVENT_ATTR(ring_50_full, _show, _store, _mask, _handler)
-
-/**
- * IIO_EVENT_ATTR_RING_50_FULL_SH - shared ring event to indicate 50% full
- * @_evlist: event handler list
- * @_show: output method for the attribute
- * @_store: input method for the attribute
- * @_mask: mask used when detecting the event
- **/
-#define IIO_EVENT_ATTR_RING_50_FULL_SH(_evlist, _show, _store, _mask) \
- IIO_EVENT_ATTR_SH(ring_50_full, _evlist, _show, _store, _mask)
+#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 24) & 0xf)
-/**
- * IIO_EVENT_ATTR_RING_75_FULL_SH - shared ring event to indicate 75% full
- * @_evlist: event handler list
- * @_show: output method for the attribute
- * @_store: input method for the attribute
- * @_mask: mask used when detecting the event
- **/
-#define IIO_EVENT_ATTR_RING_75_FULL_SH(_evlist, _show, _store, _mask) \
- IIO_EVENT_ATTR_SH(ring_75_full, _evlist, _show, _store, _mask)
+/* Event code number extraction depends on which type of event we have.
+ * Perhaps review this function in the future*/
+#define IIO_EVENT_CODE_EXTRACT_NUM(mask) ((mask >> 9) & 0x0f)
-#define IIO_EVENT_CODE_RING_50_FULL IIO_BUFFER_EVENT_CODE(0)
-#define IIO_EVENT_CODE_RING_75_FULL IIO_BUFFER_EVENT_CODE(1)
-#define IIO_EVENT_CODE_RING_100_FULL IIO_BUFFER_EVENT_CODE(2)
+#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 13) & 0x7)
#endif /* _INDUSTRIAL_IO_SYSFS_H_ */
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