diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-video.h')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-video.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-video.h b/drivers/media/platform/qcom/camss/camss-video.h new file mode 100644 index 000000000000..aa35e8cc6fd5 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-video.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * camss-video.h + * + * Qualcomm MSM Camera Subsystem - V4L2 device node + * + * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. + * Copyright (C) 2015-2018 Linaro Ltd. + */ +#ifndef QC_MSM_CAMSS_VIDEO_H +#define QC_MSM_CAMSS_VIDEO_H + +#include <linux/mutex.h> +#include <linux/videodev2.h> +#include <media/media-entity.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-fh.h> +#include <media/v4l2-mediabus.h> +#include <media/videobuf2-v4l2.h> + +struct camss_buffer { + struct vb2_v4l2_buffer vb; + dma_addr_t addr[3]; + struct list_head queue; +}; + +struct camss_video; + +struct camss_video_ops { + int (*queue_buffer)(struct camss_video *vid, struct camss_buffer *buf); + int (*flush_buffers)(struct camss_video *vid, + enum vb2_buffer_state state); +}; + +struct camss_format_info; + +struct camss_video { + struct camss *camss; + struct vb2_queue vb2_q; + struct video_device vdev; + struct media_pad pad; + struct v4l2_format active_fmt; + enum v4l2_buf_type type; + struct media_pipeline pipe; + const struct camss_video_ops *ops; + struct mutex lock; + struct mutex q_lock; + unsigned int bpl_alignment; + unsigned int line_based; + const struct camss_format_info *formats; + unsigned int nformats; +}; + +void msm_video_stop_streaming(struct camss_video *video); + +int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev, + const char *name, int is_pix); + +void msm_video_unregister(struct camss_video *video); + +#endif /* QC_MSM_CAMSS_VIDEO_H */ |