u-boot/drivers/video/dp-uclass.c
Simon Glass 51f2c99e14 dm: video: Add a uclass for display port
eDP (Embedded DisplayPort) is a standard widely used in laptops to drive
LCD panels. Add a uclass for this which supports a few simple operations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2015-05-13 09:24:10 -07:00

34 lines
742 B
C

/*
* Copyright 2014 Google Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <displayport.h>
#include <errno.h>
int display_port_read_edid(struct udevice *dev, u8 *buf, int buf_size)
{
struct dm_display_port_ops *ops = display_port_get_ops(dev);
if (!ops || !ops->read_edid)
return -ENOSYS;
return ops->read_edid(dev, buf, buf_size);
}
int display_port_enable(struct udevice *dev, int panel_bpp,
const struct display_timing *timing)
{
struct dm_display_port_ops *ops = display_port_get_ops(dev);
if (!ops || !ops->enable)
return -ENOSYS;
return ops->enable(dev, panel_bpp, timing);
}
UCLASS_DRIVER(display_port) = {
.id = UCLASS_DISPLAY_PORT,
.name = "display_port",
};