drivers: Add OSD uclass

Some devices offer a text-based OSD (on-screen display) that can be
programmatically controlled (i.e. text displayed on).

Add a uclass to support such devices.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mario Six <mario.six@gdsys.cc>

1 files changed, 45 insertions, 0 deletions

diff --git a/drivers/video/video_osd-uclass.c b/drivers/video/video_osd-uclass.c
new file mode 100644
index 0000000000..82136a292b
--- /dev/null
+++ b/drivers/video/video_osd-uclass.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2017
+ * Mario Six,  Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <video_osd.h>
+
+int video_osd_get_info(struct udevice *dev, struct video_osd_info *info)
+{
+	struct video_osd_ops *ops = video_osd_get_ops(dev);
+
+	return ops->get_info(dev, info);
+}
+
+int video_osd_set_mem(struct udevice *dev, uint col, uint row, u8 *buf,
+		      size_t buflen, uint count)
+{
+	struct video_osd_ops *ops = video_osd_get_ops(dev);
+
+	return ops->set_mem(dev, col, row, buf, buflen, count);
+}
+
+int video_osd_set_size(struct udevice *dev, uint col, uint row)
+{
+	struct video_osd_ops *ops = video_osd_get_ops(dev);
+
+	return ops->set_size(dev, col, row);
+}
+
+int video_osd_print(struct udevice *dev, uint col, uint row, ulong color,
+		    char *text)
+{
+	struct video_osd_ops *ops = video_osd_get_ops(dev);
+
+	return ops->print(dev, col, row, color, text);
+}
+
+UCLASS_DRIVER(video_osd) = {
+	.id		= UCLASS_VIDEO_OSD,
+	.name		= "video_osd",
+	.flags		= DM_UC_FLAG_SEQ_ALIAS,
+};