diff options
author | Simon Glass <sjg@chromium.org> | 2015-04-15 03:03:38 (GMT) |
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committer | Tom Warren <twarren@nvidia.com> | 2015-05-13 16:24:10 (GMT) |
commit | 51f2c99e14b28b65b7f66a5cd392fa49c03537aa (patch) | |
tree | 4269e3d3667b6d78f69ecbd7301d194c978db53f /drivers/video/dp-uclass.c | |
parent | 00cf1167bb8f7c08825262ee83e77274ff034f0a (diff) | |
download | u-boot-51f2c99e14b28b65b7f66a5cd392fa49c03537aa.tar.xz |
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>
Diffstat (limited to 'drivers/video/dp-uclass.c')
-rw-r--r-- | drivers/video/dp-uclass.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/video/dp-uclass.c b/drivers/video/dp-uclass.c new file mode 100644 index 0000000..17f5de9 --- /dev/null +++ b/drivers/video/dp-uclass.c @@ -0,0 +1,34 @@ +/* + * 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", +}; |