Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / media / omap4iss / iss_ipipe.h

diff --git a/kernel/drivers/staging/media/omap4iss/iss_ipipe.h b/kernel/drivers/staging/media/omap4iss/iss_ipipe.h
new file mode 100644 (file)
index 0000000..c22d904
--- /dev/null
+++ b/kernel/drivers/staging/media/omap4iss/iss_ipipe.h
@@ -0,0 +1,67 @@
+/*
+ * TI OMAP4 ISS V4L2 Driver - ISP IPIPE module
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef OMAP4_ISS_IPIPE_H
+#define OMAP4_ISS_IPIPE_H
+
+#include "iss_video.h"
+
+enum ipipe_input_entity {
+       IPIPE_INPUT_NONE,
+       IPIPE_INPUT_IPIPEIF,
+};
+
+#define IPIPE_OUTPUT_VP                (1 << 0)
+
+/* Sink and source IPIPE pads */
+#define IPIPE_PAD_SINK                         0
+#define IPIPE_PAD_SOURCE_VP                    1
+#define IPIPE_PADS_NUM                         2
+
+/*
+ * struct iss_ipipe_device - Structure for the IPIPE module to store its own
+ *                         information
+ * @subdev: V4L2 subdevice
+ * @pads: Sink and source media entity pads
+ * @formats: Active video formats
+ * @input: Active input
+ * @output: Active outputs
+ * @error: A hardware error occurred during capture
+ * @state: Streaming state
+ * @wait: Wait queue used to stop the module
+ * @stopping: Stopping state
+ */
+struct iss_ipipe_device {
+       struct v4l2_subdev subdev;
+       struct media_pad pads[IPIPE_PADS_NUM];
+       struct v4l2_mbus_framefmt formats[IPIPE_PADS_NUM];
+
+       enum ipipe_input_entity input;
+       unsigned int output;
+       unsigned int error;
+
+       enum iss_pipeline_stream_state state;
+       wait_queue_head_t wait;
+       atomic_t stopping;
+};
+
+struct iss_device;
+
+int omap4iss_ipipe_register_entities(struct iss_ipipe_device *ipipe,
+       struct v4l2_device *vdev);
+void omap4iss_ipipe_unregister_entities(struct iss_ipipe_device *ipipe);
+
+int omap4iss_ipipe_init(struct iss_device *iss);
+void omap4iss_ipipe_cleanup(struct iss_device *iss);
+
+#endif /* OMAP4_ISS_IPIPE_H */