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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2012 Samsung Electronics
- * Rajeshwari Shinde <rajeshwari.s@samsung.com>
- */
- #include <common.h>
- #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;
- if (argc > 1)
- msec = dectoul(argv[1], NULL);
- if (argc > 2)
- freq = dectoul(argv[2], NULL);
- ret = uclass_first_device_err(UCLASS_SOUND, &dev);
- if (!ret)
- ret = sound_beep(dev, msec, freq);
- if (ret) {
- printf("Sound device failed to play (err=%d)\n", ret);
- return CMD_RET_FAILURE;
- }
- return 0;
- }
- static struct cmd_tbl cmd_sound_sub[] = {
- U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
- U_BOOT_CMD_MKENT(play, 2, 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, 4, 1, do_sound,
- "sound sub-system",
- "init - initialise the sound driver\n"
- "sound play [len] [freq] - play a sound for len ms at freq hz\n"
- );
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