mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
51f2c99e14
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>
35 lines
742 B
C
35 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",
|
|
};
|