| 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
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| 2 | /* |
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| 3 | * TI OMAP4 ISS V4L2 Driver - ISP IPIPE module |
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| 4 | * |
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| 5 | * Copyright (C) 2012 Texas Instruments, Inc. |
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| 6 | * |
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| 7 | * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef OMAP4_ISS_IPIPE_H |
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| 11 | #define OMAP4_ISS_IPIPE_H |
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| 12 | |
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| 13 | #include "iss_video.h" |
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| 14 | |
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| 15 | enum ipipe_input_entity { |
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| 16 | IPIPE_INPUT_NONE, |
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| 17 | IPIPE_INPUT_IPIPEIF, |
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| 18 | }; |
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| 19 | |
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| 20 | #define IPIPE_OUTPUT_VP BIT(0) |
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| 21 | |
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| 22 | /* Sink and source IPIPE pads */ |
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| 23 | #define IPIPE_PAD_SINK 0 |
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| 24 | #define IPIPE_PAD_SOURCE_VP 1 |
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| 25 | #define IPIPE_PADS_NUM 2 |
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| 26 | |
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| 27 | /* |
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| 28 | * struct iss_ipipe_device - Structure for the IPIPE module to store its own |
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| 29 | * information |
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| 30 | * @subdev: V4L2 subdevice |
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| 31 | * @pads: Sink and source media entity pads |
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| 32 | * @formats: Active video formats |
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| 33 | * @input: Active input |
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| 34 | * @output: Active outputs |
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| 35 | * @error: A hardware error occurred during capture |
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| 36 | * @state: Streaming state |
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| 37 | * @wait: Wait queue used to stop the module |
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| 38 | * @stopping: Stopping state |
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| 39 | */ |
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| 40 | struct iss_ipipe_device { |
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| 41 | struct v4l2_subdev subdev; |
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| 42 | struct media_pad pads[IPIPE_PADS_NUM]; |
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| 43 | struct v4l2_mbus_framefmt formats[IPIPE_PADS_NUM]; |
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| 44 | |
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| 45 | enum ipipe_input_entity input; |
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| 46 | unsigned int output; |
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| 47 | unsigned int error; |
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| 48 | |
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| 49 | enum iss_pipeline_stream_state state; |
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| 50 | wait_queue_head_t wait; |
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| 51 | atomic_t stopping; |
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| 52 | }; |
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| 53 | |
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| 54 | struct iss_device; |
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| 55 | |
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| 56 | int omap4iss_ipipe_register_entities(struct iss_ipipe_device *ipipe, |
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| 57 | struct v4l2_device *vdev); |
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| 58 | void omap4iss_ipipe_unregister_entities(struct iss_ipipe_device *ipipe); |
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| 59 | |
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| 60 | int omap4iss_ipipe_init(struct iss_device *iss); |
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| 61 | void omap4iss_ipipe_cleanup(struct iss_device *iss); |
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| 62 | |
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| 63 | #endif /* OMAP4_ISS_IPIPE_H */ |
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| 64 | |
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