Merge tag 'mmc-2021-4-6' of https://source.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 #include <asm/global_data.h>
13
14 DECLARE_GLOBAL_DATA_PTR;
15
16 /* Initilaise sound subsystem */
17 static 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 */
35 static 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
43         if (argc > 1)
44                 msec = simple_strtoul(argv[1], NULL, 10);
45         if (argc > 2)
46                 freq = simple_strtoul(argv[2], NULL, 10);
47
48         ret = uclass_first_device_err(UCLASS_SOUND, &dev);
49         if (!ret)
50                 ret = sound_beep(dev, msec, freq);
51         if (ret) {
52                 printf("Sound device failed to play (err=%d)\n", ret);
53                 return CMD_RET_FAILURE;
54         }
55
56         return 0;
57 }
58
59 static struct cmd_tbl cmd_sound_sub[] = {
60         U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
61         U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""),
62 };
63
64 /* process sound command */
65 static int do_sound(struct cmd_tbl *cmdtp, int flag, int argc,
66                     char *const argv[])
67 {
68         struct cmd_tbl *c;
69
70         if (argc < 1)
71                 return CMD_RET_USAGE;
72
73         /* Strip off leading 'sound' command argument */
74         argc--;
75         argv++;
76
77         c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
78
79         if (c)
80                 return c->cmd(cmdtp, flag, argc, argv);
81         else
82                 return CMD_RET_USAGE;
83 }
84
85 U_BOOT_CMD(
86         sound, 4, 1, do_sound,
87         "sound sub-system",
88         "init - initialise the sound driver\n"
89         "sound play [len] [freq] - play a sound for len ms at freq hz\n"
90 );