linux-imx

/* 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);

​

/**

 * 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, bool completed, 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