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-rw-r--r--cmd/Kconfig8
-rw-r--r--cmd/Makefile1
-rw-r--r--cmd/osd.c291
3 files changed, 300 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig
index ae697fcad9..d1f1dc04b4 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -915,6 +915,14 @@ config CMD_ONENAND
and erasing blocks. It allso provides a way to show and change
bad blocks, and test the device.
+config CMD_OSD
+ bool "osd"
+ help
+ Enable the 'osd' command which allows to query information from and
+ write text data to a on-screen display (OSD) device; a virtual device
+ associated with a display capable of displaying a text overlay on the
+ display it's associated with..
+
config CMD_PART
bool "part"
select HAVE_BLOCK_DEVICE
diff --git a/cmd/Makefile b/cmd/Makefile
index 9e311a79c0..2c858f9500 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -97,6 +97,7 @@ obj-$(CONFIG_CMD_MTDPARTS) += mtdparts.o
obj-$(CONFIG_CMD_NAND) += nand.o
obj-$(CONFIG_CMD_NET) += net.o
obj-$(CONFIG_CMD_ONENAND) += onenand.o
+obj-$(CONFIG_CMD_OSD) += osd.o
obj-$(CONFIG_CMD_PART) += part.o
ifdef CONFIG_PCI
obj-$(CONFIG_CMD_PCI) += pci.o
diff --git a/cmd/osd.c b/cmd/osd.c
new file mode 100644
index 0000000000..0b1fa49936
--- /dev/null
+++ b/cmd/osd.c
@@ -0,0 +1,291 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2017
+ * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ *
+ * based on the gdsys osd driver, which is
+ *
+ * (C) Copyright 2010
+ * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <hexdump.h>
+#include <video_osd.h>
+#include <malloc.h>
+
+/* Container for selected OSD device */
+static struct udevice *osd_cur;
+
+/**
+ * cmd_osd_set_osd_num() - Set the OSD selected for operation
+ *
+ * Set the OSD device, which will be used by all subsequent OSD commands.
+ *
+ * Devices are identified by their uclass sequence number (as listed by 'osd
+ * show').
+ *
+ * @osdnum: The OSD device to be selected, identified by its sequence number.
+ * Return: 0 if OK, -ve on error
+ */
+static int cmd_osd_set_osd_num(unsigned int osdnum)
+{
+ struct udevice *osd;
+ int res;
+
+ res = uclass_get_device_by_seq(UCLASS_VIDEO_OSD, osdnum, &osd);
+ if (res) {
+ printf("%s: No OSD %u (err = %d)\n", __func__, osdnum, res);
+ return res;
+ }
+ osd_cur = osd;
+
+ return 0;
+}
+
+/**
+ * osd_get_osd_cur() - Get the selected OSD device
+ *
+ * Get the OSD device that is used by all OSD commands.
+ *
+ * @osdp: Pointer to structure that will receive the currently selected OSD
+ * device.
+ * Return: 0 if OK, -ve on error
+ */
+static int osd_get_osd_cur(struct udevice **osdp)
+{
+ if (!osd_cur) {
+ puts("No osd selected\n");
+ return -ENODEV;
+ }
+ *osdp = osd_cur;
+
+ return 0;
+}
+
+/**
+ * show_osd() - Display information about a OSD device
+ *
+ * Display a device's ID (sequence number), and whether it is active (i.e.
+ * probed) or not.
+ *
+ * @osd: OSD device to print information for
+ */
+static void show_osd(struct udevice *osd)
+{
+ printf("OSD %d:\t%s", osd->req_seq, osd->name);
+ if (device_active(osd))
+ printf(" (active %d)", osd->seq);
+ printf("\n");
+}
+
+static int do_osd_write(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ uint x, y;
+ uint count;
+ char *hexstr;
+ u8 *buffer;
+ size_t buflen;
+ int res;
+
+ if (argc < 4 || (strlen(argv[3]) % 2))
+ return CMD_RET_USAGE;
+
+ if (!osd_cur) {
+ puts("No osd selected\n");
+ return CMD_RET_FAILURE;
+ }
+
+ x = simple_strtoul(argv[1], NULL, 16);
+ y = simple_strtoul(argv[2], NULL, 16);
+ hexstr = argv[3];
+ count = (argc > 4) ? simple_strtoul(argv[4], NULL, 16) : 1;
+
+ buflen = strlen(hexstr) / 2;
+
+ buffer = malloc(buflen);
+ if (!buffer) {
+ puts("Memory allocation failure\n");
+ return CMD_RET_FAILURE;
+ }
+
+ res = hex2bin(buffer, hexstr, buflen);
+ if (res) {
+ free(buffer);
+ puts("Hexadecimal input contained invalid characters\n");
+ return CMD_RET_FAILURE;
+ }
+
+ res = video_osd_set_mem(osd_cur, x, y, buffer, buflen, count);
+ if (res) {
+ free(buffer);
+ printf("%s: Could not write to video mem\n",
+ osd_cur->name);
+ return CMD_RET_FAILURE;
+ }
+
+ free(buffer);
+
+ return CMD_RET_SUCCESS;
+}
+
+static int do_osd_print(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ uint x, y;
+ u8 color;
+ char *text;
+ int res;
+
+ if (argc < 5)
+ return CMD_RET_USAGE;
+
+ if (!osd_cur) {
+ puts("No osd selected\n");
+ return CMD_RET_FAILURE;
+ }
+
+ x = simple_strtoul(argv[1], NULL, 16);
+ y = simple_strtoul(argv[2], NULL, 16);
+ color = simple_strtoul(argv[3], NULL, 16);
+ text = argv[4];
+
+ res = video_osd_print(osd_cur, x, y, color, text);
+ if (res) {
+ printf("Could not print string to osd %s\n", osd_cur->name);
+ return CMD_RET_FAILURE;
+ }
+
+ return CMD_RET_SUCCESS;
+}
+
+static int do_osd_size(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ uint x, y;
+ int res;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ if (!osd_cur) {
+ puts("No osd selected\n");
+ return CMD_RET_FAILURE;
+ }
+
+ x = simple_strtoul(argv[1], NULL, 16);
+ y = simple_strtoul(argv[2], NULL, 16);
+
+ res = video_osd_set_size(osd_cur, x, y);
+ if (res) {
+ printf("Could not set size on osd %s\n", osd_cur->name);
+ return CMD_RET_FAILURE;
+ }
+
+ return CMD_RET_SUCCESS;
+}
+
+static int do_show_osd(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ struct udevice *osd;
+
+ if (argc == 1) {
+ /* show all OSDs */
+ struct uclass *uc;
+ int res;
+
+ res = uclass_get(UCLASS_VIDEO_OSD, &uc);
+ if (res) {
+ printf("Error while getting OSD uclass (err=%d)\n",
+ res);
+ return CMD_RET_FAILURE;
+ }
+
+ uclass_foreach_dev(osd, uc)
+ show_osd(osd);
+ } else {
+ int i, res;
+
+ /* show specific OSD */
+ i = simple_strtoul(argv[1], NULL, 10);
+
+ res = uclass_get_device_by_seq(UCLASS_VIDEO_OSD, i, &osd);
+ if (res) {
+ printf("Invalid osd %d: err=%d\n", i, res);
+ return CMD_RET_FAILURE;
+ }
+ show_osd(osd);
+ }
+
+ return CMD_RET_SUCCESS;
+}
+
+static int do_osd_num(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ int osd_no;
+ int res = 0;
+
+ if (argc == 1) {
+ /* querying current setting */
+ struct udevice *osd;
+
+ if (!osd_get_osd_cur(&osd))
+ osd_no = osd->seq;
+ else
+ osd_no = -1;
+ printf("Current osd is %d\n", osd_no);
+ } else {
+ osd_no = simple_strtoul(argv[1], NULL, 10);
+ printf("Setting osd to %d\n", osd_no);
+
+ res = cmd_osd_set_osd_num(osd_no);
+ if (res)
+ printf("Failure changing osd number (err = %d)\n", res);
+ }
+
+ return res ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
+}
+
+static cmd_tbl_t cmd_osd_sub[] = {
+ U_BOOT_CMD_MKENT(show, 1, 1, do_show_osd, "", ""),
+ U_BOOT_CMD_MKENT(dev, 1, 1, do_osd_num, "", ""),
+ U_BOOT_CMD_MKENT(write, 4, 1, do_osd_write, "", ""),
+ U_BOOT_CMD_MKENT(print, 4, 1, do_osd_print, "", ""),
+ U_BOOT_CMD_MKENT(size, 2, 1, do_osd_size, "", ""),
+};
+
+static int do_osd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ cmd_tbl_t *c;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ /* Strip off leading 'osd' command argument */
+ argc--;
+ argv++;
+
+ c = find_cmd_tbl(argv[0], &cmd_osd_sub[0], ARRAY_SIZE(cmd_osd_sub));
+
+ if (c)
+ return c->cmd(cmdtp, flag, argc, argv);
+ else
+ return CMD_RET_USAGE;
+}
+
+static char osd_help_text[] =
+ "show - show OSD info\n"
+ "osd dev [dev] - show or set current OSD\n"
+ "write [pos_x] [pos_y] [buffer] [count] - write 8-bit hex encoded buffer to osd memory at a given position\n"
+ "print [pos_x] [pos_y] [color] [text] - write ASCII buffer (given by text data and driver-specific color information) to osd memory\n"
+ "size [size_x] [size_y] - set OSD XY size in characters\n";
+
+U_BOOT_CMD(
+ osd, 6, 1, do_osd,
+ "OSD sub-system",
+ osd_help_text
+);
generated by cgit (git 2.34.1) at 2024-12-24 17:44:28 +0000