u-boot/drivers/video/zynqmp_dpsub.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2021 Xilinx Inc.
*/
#include <common.h>
#include <cpu_func.h>
#include <dm.h>
#include <errno.h>
#include <video.h>
#include <dm/device_compat.h>
#define WIDTH 640
#define HEIGHT 480
/**
* struct zynqmp_dpsub_priv - Private structure
* @dev: Device uclass for video_ops
*/
struct zynqmp_dpsub_priv {
struct udevice *dev;
};
static int zynqmp_dpsub_probe(struct udevice *dev)
{
struct video_priv *uc_priv = dev_get_uclass_priv(dev);
struct zynqmp_dpsub_priv *priv = dev_get_priv(dev);
uc_priv->bpix = VIDEO_BPP16;
uc_priv->xsize = WIDTH;
uc_priv->ysize = HEIGHT;
uc_priv->rot = 0;
priv->dev = dev;
/* Only placeholder for power domain driver */
return 0;
}
static int zynqmp_dpsub_bind(struct udevice *dev)
{
struct video_uc_plat *plat = dev_get_uclass_plat(dev);
plat->size = WIDTH * HEIGHT * 16;
return 0;
}
static const struct video_ops zynqmp_dpsub_ops = {
};
static const struct udevice_id zynqmp_dpsub_ids[] = {
{ .compatible = "xlnx,zynqmp-dpsub-1.7" },
{ }
};
U_BOOT_DRIVER(zynqmp_dpsub_video) = {
.name = "zynqmp_dpsub_video",
.id = UCLASS_VIDEO,
.of_match = zynqmp_dpsub_ids,
.ops = &zynqmp_dpsub_ops,
.plat_auto = sizeof(struct video_uc_plat),
.bind = zynqmp_dpsub_bind,
.probe = zynqmp_dpsub_probe,
.priv_auto = sizeof(struct zynqmp_dpsub_priv),
};