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>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index ed0b21f..4e627a3 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -683,4 +683,12 @@
The video output is initialized by U-Boot, and kept by the
kernel.
+config OSD
+ bool "Enable OSD support"
+ depends on DM
+ default n
+ help
+ This supports drivers that provide a OSD (on-screen display), which
+ is a (usually text-oriented) graphics buffer to show information on
+ a display.
endmenu
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 0f41a23..9cec564 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -31,6 +31,7 @@
obj-$(CONFIG_LD9040) += ld9040.o
obj-$(CONFIG_LG4573) += lg4573.o
obj-$(CONFIG_LOGICORE_DP_TX) += logicore_dp_tx.o
+obj-$(CONFIG_OSD) += video_osd-uclass.o
obj-$(CONFIG_PXA_LCD) += pxa_lcd.o
obj-$(CONFIG_S6E8AX0) += s6e8ax0.o
obj-$(CONFIG_SCF0403_LCD) += scf0403_lcd.o
diff --git a/drivers/video/video_osd-uclass.c b/drivers/video/video_osd-uclass.c
new file mode 100644
index 0000000..82136a2
--- /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,
+};