55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
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* camera_version_utils.h - utilities for different kernel versions
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* camera driver supports
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*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __camera_version_utils__
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#define __camera_version_utils__
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#include <linux/videodev2.h>
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#include <linux/kernel.h>
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#include <linux/version.h>
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#include <linux/debugfs.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-subdev.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-mediabus.h>
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#include <media/videobuf2-dma-contig.h>
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#include <media/v4l2-dv-timings.h>
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int tegra_media_entity_init(struct media_entity *entity, u16 num_pads,
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struct media_pad *pad, bool is_subdev, bool is_sensor);
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int tegra_media_create_link(struct media_entity *source, u16 source_pad,
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struct media_entity *sink, u16 sink_pad, u32 flags);
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bool tegra_is_v4l2_subdev(struct media_entity *entity);
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bool tegra_v4l2_match_dv_timings(struct v4l2_dv_timings *t1,
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struct v4l2_dv_timings *t2,
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unsigned pclock_delta,
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bool match_reduced_fps);
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int tegra_vb2_dma_init(struct device *dev, void **alloc_ctx,
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unsigned int size, atomic_t *refcount);
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void tegra_vb2_dma_cleanup(struct device *dev, void *alloc_ctx,
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atomic_t *refcount);
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#endif
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