diff options
Diffstat (limited to 'drivers/staging/media/tegra-video/vip.h')
-rw-r--r-- | drivers/staging/media/tegra-video/vip.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/staging/media/tegra-video/vip.h b/drivers/staging/media/tegra-video/vip.h new file mode 100644 index 000000000000..32ceaaccbba2 --- /dev/null +++ b/drivers/staging/media/tegra-video/vip.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2023 SKIDATA GmbH + * Author: Luca Ceresoli <luca.ceresoli@bootlin.com> + */ + +#ifndef __TEGRA_VIP_H__ +#define __TEGRA_VIP_H__ + +#include <media/media-entity.h> +#include <media/v4l2-async.h> +#include <media/v4l2-subdev.h> + +enum { + TEGRA_VIP_PAD_SINK, + TEGRA_VIP_PAD_SOURCE, + TEGRA_VIP_PADS_NUM, +}; + +struct tegra_vip; + +/** + * struct tegra_vip_channel - Tegra VIP (parallel video capture) channel + * + * @subdev: V4L2 subdevice associated with this channel + * @pads: media pads for the subdevice entity + * @of_node: vip device tree node + */ +struct tegra_vip_channel { + struct v4l2_subdev subdev; + struct media_pad pads[TEGRA_VIP_PADS_NUM]; + struct device_node *of_node; +}; + +/** + * struct tegra_vip_ops - Tegra VIP operations + * + * @vip_start_streaming: programs vip hardware to enable streaming. + */ +struct tegra_vip_ops { + int (*vip_start_streaming)(struct tegra_vip_channel *vip_chan); +}; + +/** + * struct tegra_vip_soc - NVIDIA Tegra VIP SoC structure + * + * @ops: vip hardware operations + */ +struct tegra_vip_soc { + const struct tegra_vip_ops *ops; +}; + +/** + * struct tegra_vip - NVIDIA Tegra VIP device structure + * + * @dev: device struct + * @client: host1x_client struct + * @soc: pointer to SoC data structure + * @chan: the VIP channel + */ +struct tegra_vip { + struct device *dev; + struct host1x_client client; + const struct tegra_vip_soc *soc; + struct tegra_vip_channel chan; +}; + +#endif |