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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/media/platform/omap/omap_voutdef.h
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@@ -11,6 +11,7 @@
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 #ifndef OMAP_VOUTDEF_H
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 #define OMAP_VOUTDEF_H
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+#include <media/videobuf2-dma-contig.h>
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 #include <media/v4l2-ctrls.h>
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 #include <video/omapfb_dss.h>
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 #include <video/omapvrfb.h>
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@@ -37,7 +38,7 @@
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 #define VID_MAX_WIDTH		1280	/* Largest width */
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 #define VID_MAX_HEIGHT		720	/* Largest height */
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-/* Mimimum requirement is 2x2 for DSS */
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+/* Minimum requirement is 2x2 for DSS */
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 #define VID_MIN_WIDTH		2
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 #define VID_MIN_HEIGHT		2
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@@ -113,6 +114,20 @@
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 	struct omap_overlay_manager *managers[MAX_MANAGERS];
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 };
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+/* buffer for one video frame */
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+struct omap_vout_buffer {
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+	/* common v4l buffer stuff -- must be first */
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+	struct vb2_v4l2_buffer		vbuf;
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+	struct list_head		queue;
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+};
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+
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+static inline struct omap_vout_buffer *vb2_to_omap_vout_buffer(struct vb2_buffer *vb)
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+{
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+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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+
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+	return container_of(vbuf, struct omap_vout_buffer, vbuf);
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+}
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+
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 /* per-device data structure */
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 struct omap_vout_device {
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@@ -121,29 +136,12 @@
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 	struct omap2video_device *vid_dev;
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 	struct v4l2_ctrl_handler ctrl_handler;
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 	int vid;
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-	int opened;
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-	/* we don't allow to change image fmt/size once buffer has
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-	 * been allocated
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-	 */
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-	int buffer_allocated;
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 	/* allow to reuse previously allocated buffer which is big enough */
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 	int buffer_size;
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-	/* keep buffer info across opens */
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-	unsigned long buf_virt_addr[VIDEO_MAX_FRAME];
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-	unsigned long buf_phy_addr[VIDEO_MAX_FRAME];
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 	enum omap_color_mode dss_mode;
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-	/* we don't allow to request new buffer when old buffers are
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-	 * still mmaped
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-	 */
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-	int mmap_count;
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-
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-	spinlock_t vbq_lock;		/* spinlock for videobuf queues */
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-	unsigned long field_count;	/* field counter for videobuf_buffer */
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-
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-	/* non-NULL means streaming is in progress. */
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-	bool streaming;
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+	u32 sequence;
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 	struct v4l2_pix_format pix;
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 	struct v4l2_rect crop;
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@@ -169,19 +167,14 @@
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 	unsigned char pos;
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 	int ps, vr_ps, line_length, first_int, field_id;
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-	enum v4l2_memory memory;
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-	struct videobuf_buffer *cur_frm, *next_frm;
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+	struct omap_vout_buffer *cur_frm, *next_frm;
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+	spinlock_t vbq_lock;            /* spinlock for dma_queue */
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 	struct list_head dma_queue;
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 	u8 *queued_buf_addr[VIDEO_MAX_FRAME];
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 	u32 cropped_offset;
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 	s32 tv_field1_offset;
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 	void *isr_handle;
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-
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-	/* Buffer queue variables */
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-	struct omap_vout_device *vout;
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-	enum v4l2_buf_type type;
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-	struct videobuf_queue vbq;
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-	int io_allowed;
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+	struct vb2_queue vq;
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 };
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