/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* TI OMAP4 ISS V4L2 Driver - ISP IPIPE module
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*
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* Copyright (C) 2012 Texas Instruments, Inc.
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*
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* Author: Sergio Aguirre <sergio.a.aguirre@gmail.com>
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*/
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#ifndef OMAP4_ISS_IPIPE_H
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#define OMAP4_ISS_IPIPE_H
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#include "iss_video.h"
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enum ipipe_input_entity {
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IPIPE_INPUT_NONE,
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IPIPE_INPUT_IPIPEIF,
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};
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#define IPIPE_OUTPUT_VP BIT(0)
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/* Sink and source IPIPE pads */
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#define IPIPE_PAD_SINK 0
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#define IPIPE_PAD_SOURCE_VP 1
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#define IPIPE_PADS_NUM 2
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/*
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* struct iss_ipipe_device - Structure for the IPIPE module to store its own
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* information
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* @subdev: V4L2 subdevice
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* @pads: Sink and source media entity pads
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* @formats: Active video formats
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* @input: Active input
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* @output: Active outputs
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* @error: A hardware error occurred during capture
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* @state: Streaming state
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* @wait: Wait queue used to stop the module
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* @stopping: Stopping state
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*/
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struct iss_ipipe_device {
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struct v4l2_subdev subdev;
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struct media_pad pads[IPIPE_PADS_NUM];
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struct v4l2_mbus_framefmt formats[IPIPE_PADS_NUM];
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enum ipipe_input_entity input;
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unsigned int output;
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unsigned int error;
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enum iss_pipeline_stream_state state;
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wait_queue_head_t wait;
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atomic_t stopping;
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};
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struct iss_device;
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int omap4iss_ipipe_register_entities(struct iss_ipipe_device *ipipe,
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struct v4l2_device *vdev);
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void omap4iss_ipipe_unregister_entities(struct iss_ipipe_device *ipipe);
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int omap4iss_ipipe_init(struct iss_device *iss);
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void omap4iss_ipipe_cleanup(struct iss_device *iss);
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#endif /* OMAP4_ISS_IPIPE_H */
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