xref: /OK3568_Linux_fs/u-boot/cmd/sound.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2012 Samsung Electronics
3*4882a593Smuzhiyun  * Rajeshwari Shinde <rajeshwari.s@samsung.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <command.h>
10*4882a593Smuzhiyun #include <fdtdec.h>
11*4882a593Smuzhiyun #include <sound.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun /* Initilaise sound subsystem */
do_init(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])16*4882a593Smuzhiyun static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun 	int ret;
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun 	ret = sound_init(gd->fdt_blob);
21*4882a593Smuzhiyun 	if (ret) {
22*4882a593Smuzhiyun 		printf("Initialise Audio driver failed\n");
23*4882a593Smuzhiyun 		return CMD_RET_FAILURE;
24*4882a593Smuzhiyun 	}
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	return 0;
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun /* play sound from buffer */
do_play(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])30*4882a593Smuzhiyun static int do_play(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun 	int ret = 0;
33*4882a593Smuzhiyun 	int msec = 1000;
34*4882a593Smuzhiyun 	int freq = 400;
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 	if (argc > 1)
37*4882a593Smuzhiyun 		msec = simple_strtoul(argv[1], NULL, 10);
38*4882a593Smuzhiyun 	if (argc > 2)
39*4882a593Smuzhiyun 		freq = simple_strtoul(argv[2], NULL, 10);
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun 	ret = sound_play(msec, freq);
42*4882a593Smuzhiyun 	if (ret) {
43*4882a593Smuzhiyun 		printf("play failed");
44*4882a593Smuzhiyun 		return CMD_RET_FAILURE;
45*4882a593Smuzhiyun 	}
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun 	return 0;
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun static cmd_tbl_t cmd_sound_sub[] = {
51*4882a593Smuzhiyun 	U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""),
52*4882a593Smuzhiyun 	U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""),
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun /* process sound command */
do_sound(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])56*4882a593Smuzhiyun static int do_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun 	cmd_tbl_t *c;
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun 	if (argc < 1)
61*4882a593Smuzhiyun 		return CMD_RET_USAGE;
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun 	/* Strip off leading 'sound' command argument */
64*4882a593Smuzhiyun 	argc--;
65*4882a593Smuzhiyun 	argv++;
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun 	c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub));
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun 	if (c)
70*4882a593Smuzhiyun 		return c->cmd(cmdtp, flag, argc, argv);
71*4882a593Smuzhiyun 	else
72*4882a593Smuzhiyun 		return CMD_RET_USAGE;
73*4882a593Smuzhiyun }
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun U_BOOT_CMD(
76*4882a593Smuzhiyun 	sound, 4, 1, do_sound,
77*4882a593Smuzhiyun 	"sound sub-system",
78*4882a593Smuzhiyun 	"init - initialise the sound driver\n"
79*4882a593Smuzhiyun 	"sound play [len] [freq] - play a sound for len ms at freq hz\n"
80*4882a593Smuzhiyun );
81