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 bool first = true;
43
44 ret = uclass_first_device_err(UCLASS_SOUND, &dev);
45 if (ret)
46 goto err;
47 --argc;
48 ++argv;
49 while (argc || first) {
50 first = false;
51 if (argc) {
52 msec = dectoul(argv[0], NULL);
53 --argc;
54 ++argv;
55 }
56 if (argc) {
57 freq = dectoul(argv[0], NULL);
58 --argc;
59 ++argv;
60 }
61 ret = sound_beep(dev, msec, freq);
62 if (ret)
63 goto err;
64 }
65 return 0;
66
67 err:
68 printf("Sound device failed to play (err=%d)\n", ret);
69 return CMD_RET_FAILURE;
70 }
71
72 static struct cmd_tbl cmd_sound_sub[] = {
73 U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
74 U_BOOT_CMD_MKENT(play, INT_MAX, 1, do_play, "", ""),
75 };
76
77 /* process sound command */
do_sound(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])78 static int do_sound(struct cmd_tbl *cmdtp, int flag, int argc,
79 char *const argv[])
80 {
81 struct cmd_tbl *c;
82
83 if (argc < 1)
84 return CMD_RET_USAGE;
85
86 /* Strip off leading 'sound' command argument */
87 argc--;
88 argv++;
89
90 c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
91
92 if (c)
93 return c->cmd(cmdtp, flag, argc, argv);
94 else
95 return CMD_RET_USAGE;
96 }
97
98 U_BOOT_CMD(
99 sound, INT_MAX, 1, do_sound,
100 "sound sub-system",
101 "init - initialise the sound driver\n"
102 "sound play [[[-q|-s] len [freq]] ...] - play sounds\n"
103 " len - duration in ms\n"
104 " freq - frequency in Hz\n"
105 );
106