disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/platform/rcar-vin/rcar-vin.h
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@@ -19,6 +19,7 @@
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 #include <media/v4l2-ctrls.h>
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 #include <media/v4l2-dev.h>
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 #include <media/v4l2-device.h>
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+#include <media/v4l2-fwnode.h>
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 #include <media/videobuf2-v4l2.h>
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 /* Number of HW buffers */
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@@ -61,6 +62,23 @@
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 };
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 /**
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+ * enum rvin_buffer_type
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+ *
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+ * Describes how a buffer is given to the hardware. To be able
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+ * to capture SEQ_TB/BT it's needed to capture to the same vb2
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+ * buffer twice so the type of buffer needs to be kept.
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+ *
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+ * FULL - One capture fills the whole vb2 buffer
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+ * HALF_TOP - One capture fills the top half of the vb2 buffer
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+ * HALF_BOTTOM - One capture fills the bottom half of the vb2 buffer
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+ */
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+enum rvin_buffer_type {
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+	FULL,
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+	HALF_TOP,
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+	HALF_BOTTOM,
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+};
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+
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+/**
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  * struct rvin_video_format - Data format stored in memory
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  * @fourcc:	Pixelformat
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  * @bpp:	Bytes per pixel
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@@ -75,7 +93,7 @@
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  * @asd:	sub-device descriptor for async framework
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  * @subdev:	subdevice matched using async framework
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  * @mbus_type:	media bus type
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- * @mbus_flags:	media bus configuration flags
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+ * @bus:	media bus parallel configuration
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  * @source_pad:	source pad of remote subdevice
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  * @sink_pad:	sink pad of remote subdevice
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  *
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@@ -85,7 +103,7 @@
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 	struct v4l2_subdev *subdev;
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 	enum v4l2_mbus_type mbus_type;
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-	unsigned int mbus_flags;
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+	struct v4l2_fwnode_bus_parallel bus;
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 	unsigned int source_pad;
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 	unsigned int sink_pad;
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@@ -126,6 +144,7 @@
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  * struct rvin_info - Information about the particular VIN implementation
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  * @model:		VIN model
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  * @use_mc:		use media controller instead of controlling subdevice
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+ * @nv12:		support outputing NV12 pixel format
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  * @max_width:		max input width the VIN supports
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  * @max_height:		max input height the VIN supports
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  * @routes:		list of possible routes from the CSI-2 recivers to
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@@ -134,6 +153,7 @@
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 struct rvin_info {
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 	enum model_id model;
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 	bool use_mc;
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+	bool nv12;
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 	unsigned int max_width;
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 	unsigned int max_height;
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@@ -162,9 +182,8 @@
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  * @scratch:		cpu address for scratch buffer
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  * @scratch_phys:	physical address of the scratch buffer
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  *
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- * @qlock:		protects @queue_buf, @buf_list, @sequence
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- *			@state
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- * @queue_buf:		Keeps track of buffers given to HW slot
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+ * @qlock:		protects @buf_hw, @buf_list, @sequence and @state
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+ * @buf_hw:		Keeps track of buffers given to HW slot
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  * @buf_list:		list of queued buffers
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  * @sequence:		V4L2 buffers sequence number
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  * @state:		keeps track of operation state
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@@ -176,8 +195,10 @@
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  *
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  * @crop:		active cropping
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  * @compose:		active composing
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- * @source:		active size of the video source
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+ * @src_rect:		active size of the video source
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  * @std:		active video standard of the video source
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+ *
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+ * @alpha:		Alpha component to fill in for supported pixel formats
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  */
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 struct rvin_dev {
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 	struct device *dev;
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@@ -201,7 +222,11 @@
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 	dma_addr_t scratch_phys;
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 	spinlock_t qlock;
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-	struct vb2_v4l2_buffer *queue_buf[HW_BUFFER_NUM];
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+	struct {
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+		struct vb2_v4l2_buffer *buffer;
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+		enum rvin_buffer_type type;
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+		dma_addr_t phys;
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+	} buf_hw[HW_BUFFER_NUM];
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 	struct list_head buf_list;
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 	unsigned int sequence;
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 	enum rvin_dma_state state;
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@@ -213,8 +238,10 @@
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 	struct v4l2_rect crop;
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 	struct v4l2_rect compose;
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-	struct v4l2_rect source;
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+	struct v4l2_rect src_rect;
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 	v4l2_std_id std;
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+
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+	unsigned int alpha;
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 };
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 #define vin_to_source(vin)		((vin)->parallel->subdev)
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@@ -260,11 +287,14 @@
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 int rvin_v4l2_register(struct rvin_dev *vin);
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 void rvin_v4l2_unregister(struct rvin_dev *vin);
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-const struct rvin_video_format *rvin_format_from_pixel(u32 pixelformat);
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+const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin,
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+						       u32 pixelformat);
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+
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 /* Cropping, composing and scaling */
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 void rvin_crop_scale_comp(struct rvin_dev *vin);
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 int rvin_set_channel_routing(struct rvin_dev *vin, u8 chsel);
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+void rvin_set_alpha(struct rvin_dev *vin, unsigned int alpha);
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 #endif