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