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