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 */
do_init(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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 */
do_play(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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 */
do_sound(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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 );
91