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b64b134942
Now that the VSP1 driver supports color spaces, expose them through the API used by the DU driver. This allows configuring the YCbCr encoding and quantization used by each plane, ensuring correct color rendering. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com> Link: https://lore.kernel.org/r/20250429232904.26413-9-laurent.pinchart+renesas@ideasonboard.com Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* vsp1.h -- R-Car VSP1 API
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*
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* Copyright (C) 2015 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*/
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#ifndef __MEDIA_VSP1_H__
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#define __MEDIA_VSP1_H__
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#include <linux/scatterlist.h>
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#include <linux/types.h>
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#include <linux/videodev2.h>
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struct device;
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int vsp1_du_init(struct device *dev);
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#define VSP1_DU_STATUS_COMPLETE BIT(0)
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#define VSP1_DU_STATUS_WRITEBACK BIT(1)
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/**
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* struct vsp1_du_lif_config - VSP LIF configuration
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* @width: output frame width
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* @height: output frame height
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* @interlaced: true for interlaced pipelines
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* @callback: frame completion callback function (optional). When a callback
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* is provided, the VSP driver guarantees that it will be called once
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* and only once for each vsp1_du_atomic_flush() call.
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* @callback_data: data to be passed to the frame completion callback
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*/
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struct vsp1_du_lif_config {
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unsigned int width;
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unsigned int height;
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bool interlaced;
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void (*callback)(void *data, unsigned int status, u32 crc);
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void *callback_data;
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};
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int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
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const struct vsp1_du_lif_config *cfg);
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/**
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* struct vsp1_du_atomic_config - VSP atomic configuration parameters
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* @pixelformat: plane pixel format (V4L2 4CC)
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* @pitch: line pitch in bytes for the first plane
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* @mem: DMA memory address for each plane of the frame buffer
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* @src: source rectangle in the frame buffer (integer coordinates)
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* @dst: destination rectangle on the display (integer coordinates)
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* @alpha: alpha value (0: fully transparent, 255: fully opaque)
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* @zpos: Z position of the plane (from 0 to number of planes minus 1)
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* @premult: true for premultiplied alpha
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* @color_encoding: color encoding (valid for YUV formats only)
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* @color_range: color range (valid for YUV formats only)
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*/
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struct vsp1_du_atomic_config {
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u32 pixelformat;
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unsigned int pitch;
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dma_addr_t mem[3];
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struct v4l2_rect src;
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struct v4l2_rect dst;
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unsigned int alpha;
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unsigned int zpos;
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bool premult;
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enum v4l2_ycbcr_encoding color_encoding;
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enum v4l2_quantization color_range;
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};
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/**
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* enum vsp1_du_crc_source - Source used for CRC calculation
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* @VSP1_DU_CRC_NONE: CRC calculation disabled
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* @VSP1_DU_CRC_PLANE: Perform CRC calculation on an input plane
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* @VSP1_DU_CRC_OUTPUT: Perform CRC calculation on the composed output
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*/
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enum vsp1_du_crc_source {
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VSP1_DU_CRC_NONE,
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VSP1_DU_CRC_PLANE,
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VSP1_DU_CRC_OUTPUT,
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};
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/**
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* struct vsp1_du_crc_config - VSP CRC computation configuration parameters
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* @source: source for CRC calculation
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* @index: index of the CRC source plane (when source is set to plane)
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*/
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struct vsp1_du_crc_config {
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enum vsp1_du_crc_source source;
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unsigned int index;
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};
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/**
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* struct vsp1_du_writeback_config - VSP writeback configuration parameters
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* @pixelformat: plane pixel format (V4L2 4CC)
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* @pitch: line pitch in bytes for the first plane
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* @mem: DMA memory address for each plane of the frame buffer
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*/
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struct vsp1_du_writeback_config {
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u32 pixelformat;
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unsigned int pitch;
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dma_addr_t mem[3];
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};
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/**
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* struct vsp1_du_atomic_pipe_config - VSP atomic pipe configuration parameters
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* @crc: CRC computation configuration
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* @writeback: writeback configuration
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*/
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struct vsp1_du_atomic_pipe_config {
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struct vsp1_du_crc_config crc;
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struct vsp1_du_writeback_config writeback;
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};
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void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index);
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int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
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unsigned int rpf,
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const struct vsp1_du_atomic_config *cfg);
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void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index,
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const struct vsp1_du_atomic_pipe_config *cfg);
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int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
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void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
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#endif /* __MEDIA_VSP1_H__ */
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