Merge tag 'mmc-2020-6-24' of https://gitlab.denx.de/u-boot/custodians/u-boot-mmc
[platform/kernel/u-boot.git] / cmd / sound.c
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
13 DECLARE_GLOBAL_DATA_PTR;
14
15 /* Initilaise sound subsystem */
16 static int do_init(struct cmd_tbl *cmdtp, int flag, int argc,
17                    char *const argv[])
18 {
19         struct udevice *dev;
20         int ret;
21
22         ret = uclass_first_device_err(UCLASS_SOUND, &dev);
23         if (!ret)
24                 ret = sound_setup(dev);
25         if (ret) {
26                 printf("Initialise Audio driver failed (ret=%d)\n", ret);
27                 return CMD_RET_FAILURE;
28         }
29
30         return 0;
31 }
32
33 /* play sound from buffer */
34 static int do_play(struct cmd_tbl *cmdtp, int flag, int argc,
35                    char *const argv[])
36 {
37         struct udevice *dev;
38         int ret = 0;
39         int msec = 1000;
40         int freq = 400;
41
42         if (argc > 1)
43                 msec = simple_strtoul(argv[1], NULL, 10);
44         if (argc > 2)
45                 freq = simple_strtoul(argv[2], NULL, 10);
46
47         ret = uclass_first_device_err(UCLASS_SOUND, &dev);
48         if (!ret)
49                 ret = sound_beep(dev, msec, freq);
50         if (ret) {
51                 printf("Sound device failed to play (err=%d)\n", ret);
52                 return CMD_RET_FAILURE;
53         }
54
55         return 0;
56 }
57
58 static struct cmd_tbl cmd_sound_sub[] = {
59         U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
60         U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""),
61 };
62
63 /* process sound command */
64 static int do_sound(struct cmd_tbl *cmdtp, int flag, int argc,
65                     char *const argv[])
66 {
67         struct cmd_tbl *c;
68
69         if (argc < 1)
70                 return CMD_RET_USAGE;
71
72         /* Strip off leading 'sound' command argument */
73         argc--;
74         argv++;
75
76         c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
77
78         if (c)
79                 return c->cmd(cmdtp, flag, argc, argv);
80         else
81                 return CMD_RET_USAGE;
82 }
83
84 U_BOOT_CMD(
85         sound, 4, 1, do_sound,
86         "sound sub-system",
87         "init - initialise the sound driver\n"
88         "sound play [len] [freq] - play a sound for len ms at freq hz\n"
89 );