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- /*
- * 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 BIT(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 */
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