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 <command.h>
8 #include <dm.h>
9 #include <fdtdec.h>
10 #include <sound.h>
11 #include <asm/global_data.h>
12
13 DECLARE_GLOBAL_DATA_PTR;
14
15 /* Initilaise sound subsystem */
do_init(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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 */
do_play(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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 bool first = true;
42
43 ret = uclass_first_device_err(UCLASS_SOUND, &dev);
44 if (ret)
45 goto err;
46 --argc;
47 ++argv;
48 while (argc || first) {
49 first = false;
50 if (argc) {
51 msec = dectoul(argv[0], NULL);
52 --argc;
53 ++argv;
54 }
55 if (argc) {
56 freq = dectoul(argv[0], NULL);
57 --argc;
58 ++argv;
59 }
60 ret = sound_beep(dev, msec, freq);
61 if (ret)
62 goto err;
63 }
64 return 0;
65
66 err:
67 printf("Sound device failed to play (err=%d)\n", ret);
68 return CMD_RET_FAILURE;
69 }
70
71 static struct cmd_tbl cmd_sound_sub[] = {
72 U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
73 U_BOOT_CMD_MKENT(play, INT_MAX, 1, do_play, "", ""),
74 };
75
76 /* process sound command */
do_sound(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])77 static int do_sound(struct cmd_tbl *cmdtp, int flag, int argc,
78 char *const argv[])
79 {
80 struct cmd_tbl *c;
81
82 if (argc < 1)
83 return CMD_RET_USAGE;
84
85 /* Strip off leading 'sound' command argument */
86 argc--;
87 argv++;
88
89 c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
90
91 if (c)
92 return c->cmd(cmdtp, flag, argc, argv);
93 else
94 return CMD_RET_USAGE;
95 }
96
97 U_BOOT_CMD(
98 sound, INT_MAX, 1, do_sound,
99 "sound sub-system",
100 "init - initialise the sound driver\n"
101 "sound play [len [freq [len [freq ...]]]] - play sounds\n"
102 " len - duration in ms\n"
103 " freq - frequency in Hz\n"
104 );
105