65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
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/*
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* include/linux/media/capture_vi_channel.h
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*
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* VI channel driver header
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*
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* Copyright (c) 2017-2021 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 __VI_CHANNEL_H__
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#define __VI_CHANNEL_H__
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#include <linux/of_platform.h>
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struct vi_channel_drv;
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struct vi_channel_drv_ops {
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int (*alloc_syncpt)(struct platform_device *pdev, const char *name,
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uint32_t *syncpt_id);
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void (*release_syncpt)(struct platform_device *pdev, uint32_t id);
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void (*get_gos_table)(struct platform_device *pdev, int *count,
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const dma_addr_t **table);
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int (*get_syncpt_gos_backing)(struct platform_device *pdev, uint32_t id,
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dma_addr_t *syncpt_addr, uint32_t *gos_index,
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uint32_t *gos_offset);
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};
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struct tegra_vi_channel {
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struct device *dev;
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struct platform_device *ndev;
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struct vi_channel_drv *drv;
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struct rcu_head rcu;
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struct vi_capture *capture_data;
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const struct vi_channel_drv_ops *ops;
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struct device *rtcpu_dev;
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bool is_stream_open;
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};
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int vi_channel_drv_register(struct platform_device *,
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const struct vi_channel_drv_ops *);
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void vi_channel_drv_unregister(struct device *);
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void vi_capture_request_unpin(struct tegra_vi_channel *chan,
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uint32_t buffer_index);
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/* Internal APIs for VI mode driver */
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struct tegra_vi_channel *vi_channel_open_ex(unsigned channel,
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bool is_mem_pinned);
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int vi_channel_close_ex(unsigned channel, struct tegra_vi_channel *chan);
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#endif //__ISP_CHANNEL_H__
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