1 files changed, 52 insertions, 0 deletions

diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h
new file mode 100644
index 000000000000..60d64b356945
--- /dev/null
+++ b/include/linux/iio/trigger_consumer.h
@@ -0,0 +1,52 @@
+/* The industrial I/O core, trigger consumer functions
+ *
+ * Copyright (c) 2008-2011 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.
+ */
+
+/**
+ * struct iio_poll_func - poll function pair
+ *
+ * @indio_dev:                  data specific to device (passed into poll func)
+ * @h:                          the function that is actually run on trigger
+ * @thread:                     threaded interrupt part
+ * @type:                       the type of interrupt (basically if oneshot)
+ * @name:                       name used to identify the trigger consumer.
+ * @irq:                        the corresponding irq as allocated from the
+ *                              trigger pool
+ * @timestamp:                  some devices need a timestamp grabbed as soon
+ *                              as possible after the trigger - hence handler
+ *                              passes it via here.
+ **/
+struct iio_poll_func {
+        struct iio_dev *indio_dev;
+        irqreturn_t (*h)(int irq, void *p);
+        irqreturn_t (*thread)(int irq, void *p);
+        int type;
+        char *name;
+        int irq;
+        s64 timestamp;
+};
+
+
+struct iio_poll_func
+*iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p),
+                    irqreturn_t (*thread)(int irq, void *p),
+                    int type,
+                    struct iio_dev *indio_dev,
+                    const char *fmt,
+                    ...);
+void iio_dealloc_pollfunc(struct iio_poll_func *pf);
+irqreturn_t iio_pollfunc_store_time(int irq, void *p);
+
+void iio_trigger_notify_done(struct iio_trigger *trig);
+
+/*
+ * Two functions for common case where all that happens is a pollfunc
+ * is attached and detached from a trigger
+ */
+int iio_triggered_buffer_postenable(struct iio_dev *indio_dev);
+int iio_triggered_buffer_predisable(struct iio_dev *indio_dev);