1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2012 Samsung Electronics
4 * Rajeshwari Shinde <rajeshwari.s@samsung.com>
5 */
6
7#include <common.h>
8#include <command.h>
9#include <dm.h>
10#include <fdtdec.h>
11#include <sound.h>
12#include <asm/global_data.h>
13
14DECLARE_GLOBAL_DATA_PTR;
15
16/* Initilaise sound subsystem */
17static int do_init(struct cmd_tbl *cmdtp, int flag, int argc,
18		   char *const argv[])
19{
20	struct udevice *dev;
21	int ret;
22
23	ret = uclass_first_device_err(UCLASS_SOUND, &dev);
24	if (!ret)
25		ret = sound_setup(dev);
26	if (ret) {
27		printf("Initialise Audio driver failed (ret=%d)\n", ret);
28		return CMD_RET_FAILURE;
29	}
30
31	return 0;
32}
33
34/* play sound from buffer */
35static int do_play(struct cmd_tbl *cmdtp, int flag, int argc,
36		   char *const argv[])
37{
38	struct udevice *dev;
39	int ret = 0;
40	int msec = 1000;
41	int freq = 400;
42	bool first = true;
43
44	ret = uclass_first_device_err(UCLASS_SOUND, &dev);
45	if (ret)
46		goto err;
47	--argc;
48	++argv;
49	while (argc || first) {
50		first = false;
51		if (argc) {
52			msec = dectoul(argv[0], NULL);
53			--argc;
54			++argv;
55		}
56		if (argc) {
57			freq = dectoul(argv[0], NULL);
58			--argc;
59			++argv;
60		}
61		ret = sound_beep(dev, msec, freq);
62		if (ret)
63			goto err;
64	}
65	return 0;
66
67err:
68	printf("Sound device failed to play (err=%d)\n", ret);
69	return CMD_RET_FAILURE;
70}
71
72static struct cmd_tbl cmd_sound_sub[] = {
73	U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
74	U_BOOT_CMD_MKENT(play, INT_MAX, 1, do_play, "", ""),
75};
76
77/* process sound command */
78static int do_sound(struct cmd_tbl *cmdtp, int flag, int argc,
79		    char *const argv[])
80{
81	struct cmd_tbl *c;
82
83	if (argc < 1)
84		return CMD_RET_USAGE;
85
86	/* Strip off leading 'sound' command argument */
87	argc--;
88	argv++;
89
90	c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
91
92	if (c)
93		return c->cmd(cmdtp, flag, argc, argv);
94	else
95		return CMD_RET_USAGE;
96}
97
98U_BOOT_CMD(
99	sound, INT_MAX, 1, do_sound,
100	"sound sub-system",
101	"init - initialise the sound driver\n"
102	"sound play [[[-q|-s] len [freq]] ...] - play sounds\n"
103	"  len - duration in ms\n"
104	"  freq - frequency in Hz\n"
105);
106