diff options
Diffstat (limited to 'drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h')
| -rw-r--r-- | drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h new file mode 100644 index 000000000..3ee5ccefb --- /dev/null +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h @@ -0,0 +1,89 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2011-2018 Magewell Electronics Co., Ltd. (Nanjing) + * Author: Yong Deng <yong.deng@magewell.com> + * Copyright 2021-2022 Bootlin + * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com> + */ + +#ifndef _SUN6I_CAPTURE_H_ +#define _SUN6I_CAPTURE_H_ + +#include <media/v4l2-device.h> + +#define SUN6I_CSI_CAPTURE_NAME "sun6i-csi-capture" + +#define SUN6I_CSI_CAPTURE_WIDTH_MIN 32 +#define SUN6I_CSI_CAPTURE_WIDTH_MAX 4800 +#define SUN6I_CSI_CAPTURE_HEIGHT_MIN 32 +#define SUN6I_CSI_CAPTURE_HEIGHT_MAX 4800 + +struct sun6i_csi_device; + +struct sun6i_csi_capture_format { + u32 pixelformat; + u8 output_format_field; + u8 output_format_frame; + bool input_yuv_seq_invert; + bool input_format_raw; + u32 hsize_len_factor; +}; + +struct sun6i_csi_capture_format_match { + u32 pixelformat; + u32 mbus_code; +}; + +#undef current +struct sun6i_csi_capture_state { + struct list_head queue; + spinlock_t lock; /* Queue and buffers lock. */ + + struct sun6i_csi_buffer *pending; + struct sun6i_csi_buffer *current; + struct sun6i_csi_buffer *complete; + + unsigned int sequence; + bool streaming; + bool setup; +}; + +struct sun6i_csi_capture { + struct sun6i_csi_capture_state state; + + struct video_device video_dev; + struct vb2_queue queue; + struct mutex lock; /* Queue lock. */ + struct media_pad pad; + + struct v4l2_format format; +}; + +/* Helpers */ + +void sun6i_csi_capture_dimensions(struct sun6i_csi_device *csi_dev, + unsigned int *width, unsigned int *height); +void sun6i_csi_capture_format(struct sun6i_csi_device *csi_dev, + u32 *pixelformat, u32 *field); + +/* Format */ + +const +struct sun6i_csi_capture_format *sun6i_csi_capture_format_find(u32 pixelformat); + +/* Capture */ + +void sun6i_csi_capture_configure(struct sun6i_csi_device *csi_dev); +void sun6i_csi_capture_state_update(struct sun6i_csi_device *csi_dev); + +/* State */ + +void sun6i_csi_capture_sync(struct sun6i_csi_device *csi_dev); +void sun6i_csi_capture_frame_done(struct sun6i_csi_device *csi_dev); + +/* Capture */ + +int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev); +void sun6i_csi_capture_cleanup(struct sun6i_csi_device *csi_dev); + +#endif |