Jetpack/kernel/nvidia/include/media/capture_vi_channel.h

64 lines
1.9 KiB
C

/*
* include/linux/media/capture_vi_channel.h
*
* VI channel driver header
*
* Copyright (c) 2017-2018 NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __VI_CHANNEL_H__
#define __VI_CHANNEL_H__
#include <linux/of_platform.h>
struct vi_channel_drv;
struct vi_channel_drv_ops {
int (*alloc_syncpt)(struct platform_device *pdev, const char *name,
uint32_t *syncpt_id);
void (*release_syncpt)(struct platform_device *pdev, uint32_t id);
void (*get_gos_table)(struct platform_device *pdev, int *count,
const dma_addr_t **table);
int (*get_syncpt_gos_backing)(struct platform_device *pdev, uint32_t id,
dma_addr_t *syncpt_addr, uint32_t *gos_index,
uint32_t *gos_offset);
};
struct tegra_vi_channel {
struct device *dev;
struct platform_device *ndev;
struct vi_channel_drv *drv;
struct rcu_head rcu;
struct vi_capture *capture_data;
const struct vi_channel_drv_ops *ops;
struct device *rtcpu_dev;
};
int vi_channel_drv_register(struct platform_device *,
const struct vi_channel_drv_ops *);
void vi_channel_drv_unregister(struct device *);
void vi_capture_request_unpin(struct tegra_vi_channel *chan,
uint32_t buffer_index);
/* Internal APIs for VI mode driver */
struct tegra_vi_channel *vi_channel_open_ex(unsigned channel,
bool is_mem_pinned);
int vi_channel_close_ex(unsigned channel, struct tegra_vi_channel *chan);
#endif //__ISP_CHANNEL_H__