1 files changed, 104 insertions, 0 deletions
diff --git a/cmd/sound.c b/cmd/sound.c
new file mode 100644
index 00000000000..8f67cbd96e1
--- /dev/null
+++ b/cmd/sound.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ */
+
+#include <command.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <sound.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Initilaise sound subsystem */
+static int do_init(struct cmd_tbl *cmdtp, int flag, int argc,
+		   char *const argv[])
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = uclass_first_device_err(UCLASS_SOUND, &dev);
+	if (!ret)
+		ret = sound_setup(dev);
+	if (ret) {
+		printf("Initialise Audio driver failed (ret=%d)\n", ret);
+		return CMD_RET_FAILURE;
+	}
+
+	return 0;
+}
+
+/* play sound from buffer */
+static int do_play(struct cmd_tbl *cmdtp, int flag, int argc,
+		   char *const argv[])
+{
+	struct udevice *dev;
+	int ret = 0;
+	int msec = 1000;
+	int freq = 400;
+	bool first = true;
+
+	ret = uclass_first_device_err(UCLASS_SOUND, &dev);
+	if (ret)
+		goto err;
+	--argc;
+	++argv;
+	while (argc || first) {
+		first = false;
+		if (argc) {
+			msec = dectoul(argv[0], NULL);
+			--argc;
+			++argv;
+		}
+		if (argc) {
+			freq = dectoul(argv[0], NULL);
+			--argc;
+			++argv;
+		}
+		ret = sound_beep(dev, msec, freq);
+		if (ret)
+			goto err;
+	}
+	return 0;
+
+err:
+	printf("Sound device failed to play (err=%d)\n", ret);
+	return CMD_RET_FAILURE;
+}
+
+static struct cmd_tbl cmd_sound_sub[] = {
+	U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
+	U_BOOT_CMD_MKENT(play, INT_MAX, 1, do_play, "", ""),
+};
+
+/* process sound command */
+static int do_sound(struct cmd_tbl *cmdtp, int flag, int argc,
+		    char *const argv[])
+{
+	struct cmd_tbl *c;
+
+	if (argc < 1)
+		return CMD_RET_USAGE;
+
+	/* Strip off leading 'sound' command argument */
+	argc--;
+	argv++;
+
+	c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
+
+	if (c)
+		return c->cmd(cmdtp, flag, argc, argv);
+	else
+		return CMD_RET_USAGE;
+}
+
+U_BOOT_CMD(
+	sound, INT_MAX, 1, do_sound,
+	"sound sub-system",
+	"init - initialise the sound driver\n"
+	"sound play [len [freq [len [freq ...]]]] - play sounds\n"
+	"  len - duration in ms\n"
+	"  freq - frequency in Hz\n"
+);