linux/include/media/vsp1.h
Laurent Pinchart 04738e7f33 [media] v4l: vsp1: Add global alpha support for DRM pipeline
Make the global alpha multiplier of DRM planes configurable. All the
necessary infrastructure is there, we just need to store the alpha value
passed through the DRM API.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-04-13 19:15:23 -03:00

45 lines
1.3 KiB
C

/*
* vsp1.h -- R-Car VSP1 API
*
* Copyright (C) 2015 Renesas Electronics Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __MEDIA_VSP1_H__
#define __MEDIA_VSP1_H__
#include <linux/types.h>
struct device;
struct v4l2_rect;
int vsp1_du_init(struct device *dev);
int vsp1_du_setup_lif(struct device *dev, unsigned int width,
unsigned int height);
void vsp1_du_atomic_begin(struct device *dev);
int vsp1_du_atomic_update_ext(struct device *dev, unsigned int rpf,
u32 pixelformat, unsigned int pitch,
dma_addr_t mem[2], const struct v4l2_rect *src,
const struct v4l2_rect *dst, unsigned int alpha,
unsigned int zpos);
void vsp1_du_atomic_flush(struct device *dev);
static inline int vsp1_du_atomic_update(struct device *dev,
unsigned int rpf_index, u32 pixelformat,
unsigned int pitch, dma_addr_t mem[2],
const struct v4l2_rect *src,
const struct v4l2_rect *dst)
{
return vsp1_du_atomic_update_ext(dev, rpf_index, pixelformat, pitch,
mem, src, dst, 255, 0);
}
#endif /* __MEDIA_VSP1_H__ */