mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 08:00:52 +07:00
a63722aeb7
Extend the vsp1_du_atomic_flush() API with writeback support by adding format, pitch and memory addresses of the writeback framebuffer. Writeback completion is reported through the existing frame completion callback with a new VSP1_DU_STATUS_WRITEBACK status flag. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* vsp1.h -- R-Car VSP1 API
|
|
*
|
|
* Copyright (C) 2015 Renesas Electronics Corporation
|
|
*
|
|
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
|
|
*/
|
|
#ifndef __MEDIA_VSP1_H__
|
|
#define __MEDIA_VSP1_H__
|
|
|
|
#include <linux/scatterlist.h>
|
|
#include <linux/types.h>
|
|
#include <linux/videodev2.h>
|
|
|
|
struct device;
|
|
|
|
int vsp1_du_init(struct device *dev);
|
|
|
|
#define VSP1_DU_STATUS_COMPLETE BIT(0)
|
|
#define VSP1_DU_STATUS_WRITEBACK BIT(1)
|
|
|
|
/**
|
|
* struct vsp1_du_lif_config - VSP LIF configuration
|
|
* @width: output frame width
|
|
* @height: output frame height
|
|
* @interlaced: true for interlaced pipelines
|
|
* @callback: frame completion callback function (optional). When a callback
|
|
* is provided, the VSP driver guarantees that it will be called once
|
|
* and only once for each vsp1_du_atomic_flush() call.
|
|
* @callback_data: data to be passed to the frame completion callback
|
|
*/
|
|
struct vsp1_du_lif_config {
|
|
unsigned int width;
|
|
unsigned int height;
|
|
bool interlaced;
|
|
|
|
void (*callback)(void *data, unsigned int status, u32 crc);
|
|
void *callback_data;
|
|
};
|
|
|
|
int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
|
|
const struct vsp1_du_lif_config *cfg);
|
|
|
|
/**
|
|
* struct vsp1_du_atomic_config - VSP atomic configuration parameters
|
|
* @pixelformat: plane pixel format (V4L2 4CC)
|
|
* @pitch: line pitch in bytes for the first plane
|
|
* @mem: DMA memory address for each plane of the frame buffer
|
|
* @src: source rectangle in the frame buffer (integer coordinates)
|
|
* @dst: destination rectangle on the display (integer coordinates)
|
|
* @alpha: alpha value (0: fully transparent, 255: fully opaque)
|
|
* @zpos: Z position of the plane (from 0 to number of planes minus 1)
|
|
*/
|
|
struct vsp1_du_atomic_config {
|
|
u32 pixelformat;
|
|
unsigned int pitch;
|
|
dma_addr_t mem[3];
|
|
struct v4l2_rect src;
|
|
struct v4l2_rect dst;
|
|
unsigned int alpha;
|
|
unsigned int zpos;
|
|
};
|
|
|
|
/**
|
|
* enum vsp1_du_crc_source - Source used for CRC calculation
|
|
* @VSP1_DU_CRC_NONE: CRC calculation disabled
|
|
* @VSP1_DU_CRC_PLANE: Perform CRC calculation on an input plane
|
|
* @VSP1_DU_CRC_OUTPUT: Perform CRC calculation on the composed output
|
|
*/
|
|
enum vsp1_du_crc_source {
|
|
VSP1_DU_CRC_NONE,
|
|
VSP1_DU_CRC_PLANE,
|
|
VSP1_DU_CRC_OUTPUT,
|
|
};
|
|
|
|
/**
|
|
* struct vsp1_du_crc_config - VSP CRC computation configuration parameters
|
|
* @source: source for CRC calculation
|
|
* @index: index of the CRC source plane (when source is set to plane)
|
|
*/
|
|
struct vsp1_du_crc_config {
|
|
enum vsp1_du_crc_source source;
|
|
unsigned int index;
|
|
};
|
|
|
|
/**
|
|
* struct vsp1_du_writeback_config - VSP writeback configuration parameters
|
|
* @pixelformat: plane pixel format (V4L2 4CC)
|
|
* @pitch: line pitch in bytes for the first plane
|
|
* @mem: DMA memory address for each plane of the frame buffer
|
|
*/
|
|
struct vsp1_du_writeback_config {
|
|
u32 pixelformat;
|
|
unsigned int pitch;
|
|
dma_addr_t mem[3];
|
|
};
|
|
|
|
/**
|
|
* struct vsp1_du_atomic_pipe_config - VSP atomic pipe configuration parameters
|
|
* @crc: CRC computation configuration
|
|
* @writeback: writeback configuration
|
|
*/
|
|
struct vsp1_du_atomic_pipe_config {
|
|
struct vsp1_du_crc_config crc;
|
|
struct vsp1_du_writeback_config writeback;
|
|
};
|
|
|
|
void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index);
|
|
int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
|
|
unsigned int rpf,
|
|
const struct vsp1_du_atomic_config *cfg);
|
|
void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index,
|
|
const struct vsp1_du_atomic_pipe_config *cfg);
|
|
int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
|
|
void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
|
|
|
|
#endif /* __MEDIA_VSP1_H__ */
|