GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
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+// 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>
+
+static int do_osd_write(cmd_tbl_t *cmdtp, int flag, int argc,
+			char * const argv[])
+{
+	struct udevice *dev;
+	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;
+
+	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;
+	}
+
+	for (uclass_first_device(UCLASS_VIDEO_OSD, &dev);
+	     dev;
+	     uclass_next_device(&dev)) {
+		int res;
+
+		res = video_osd_set_mem(dev, x, y, buffer, buflen, count);
+		if (res) {
+			free(buffer);
+			printf("Could not write to video mem on osd %s\n",
+			       dev->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[])
+{
+	struct udevice *dev;
+	uint x, y;
+	u8 color;
+	char *text;
+
+	if (argc < 5)
+		return CMD_RET_USAGE;
+
+	x = simple_strtoul(argv[1], NULL, 16);
+	y = simple_strtoul(argv[2], NULL, 16);
+	color = simple_strtoul(argv[3], NULL, 16);
+	text = argv[4];
+
+	for (uclass_first_device(UCLASS_VIDEO_OSD, &dev);
+	     dev;
+	     uclass_next_device(&dev)) {
+		int res;
+
+		res = video_osd_print(dev, x, y, color, text);
+		if (res) {
+			printf("Could not print string to osd %s\n", dev->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[])
+{
+	struct udevice *dev;
+	uint x, y;
+
+	if (argc < 3)
+		return CMD_RET_USAGE;
+
+	x = simple_strtoul(argv[1], NULL, 16);
+	y = simple_strtoul(argv[2], NULL, 16);
+
+	for (uclass_first_device(UCLASS_VIDEO_OSD, &dev);
+	     dev;
+	     uclass_next_device(&dev)) {
+		int res;
+
+		res = video_osd_set_size(dev, x, y);
+
+		if (res) {
+			printf("Could not set size on osd %s\n", dev->name);
+			return CMD_RET_FAILURE;
+		}
+	}
+
+	return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(
+	osdw, 5, 0, do_osd_write,
+	"write 16-bit hex encoded buffer to osd memory",
+	"osdw [pos_x] [pos_y] [buffer] [count] - write 8-bit hex encoded buffer to osd memory\n"
+);
+
+U_BOOT_CMD(
+	osdp, 5, 0, do_osd_print,
+	"write ASCII buffer to osd memory",
+	"osdp [pos_x] [pos_y] [color] [text] - write ASCII buffer to osd memory\n"
+);
+
+U_BOOT_CMD(
+	osdsize, 3, 0, do_osd_size,
+	"set OSD XY size in characters",
+	"osdsize [size_x] [size_y] - set OSD XY size in characters\n"
+);