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Diffstat (limited to 'drivers/media/video/cx18/cx18-queue.h')
-rw-r--r--drivers/media/video/cx18/cx18-queue.h22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/media/video/cx18/cx18-queue.h b/drivers/media/video/cx18/cx18-queue.h
index 7f93bb13c09..456cec3bc28 100644
--- a/drivers/media/video/cx18/cx18-queue.h
+++ b/drivers/media/video/cx18/cx18-queue.h
@@ -4,6 +4,7 @@
* Derived from ivtv-queue.h
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
+ * Copyright (C) 2008 Andy Walls <awalls@radix.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -42,11 +43,26 @@ static inline void cx18_buf_sync_for_device(struct cx18_stream *s,
void cx18_buf_swap(struct cx18_buffer *buf);
/* cx18_queue utility functions */
+struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf,
+ struct cx18_queue *q, int to_front);
+
+static inline
+struct cx18_queue *cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf,
+ struct cx18_queue *q)
+{
+ return _cx18_enqueue(s, buf, q, 0); /* FIFO */
+}
+
+static inline
+struct cx18_queue *cx18_push(struct cx18_stream *s, struct cx18_buffer *buf,
+ struct cx18_queue *q)
+{
+ return _cx18_enqueue(s, buf, q, 1); /* LIFO */
+}
+
void cx18_queue_init(struct cx18_queue *q);
-void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf,
- struct cx18_queue *q);
struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q);
-struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id,
+struct cx18_buffer *cx18_queue_get_buf(struct cx18_stream *s, u32 id,
u32 bytesused);
void cx18_flush_queues(struct cx18_stream *s);