/* SPDX-License-Identifier: GPL-2.0+ */ /* * TI OMAP4 ISS V4L2 Driver - ISP IPIPE module * * Copyright (C) 2012 Texas Instruments, Inc. * * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> */ #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 */