Commit c0c88533fffdba4544043e6070ba322c8b79234a
Committed by
Minkyu Kang
1 parent
a2d8e0a717
Exists in
master
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54 other branches
Sound: Add command for audio playback
This patch adds command to test audio playback. sound init - Initialises the audio subsystem (i2s and wm8994 codec) sound play - Plays predefined the audio data when specified length and frequency. Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Showing 2 changed files with 97 additions and 0 deletions Side-by-side Diff
common/Makefile
... | ... | @@ -75,6 +75,7 @@ |
75 | 75 | COBJS-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o |
76 | 76 | COBJS-$(CONFIG_DATAFLASH_MMC_SELECT) += cmd_dataflash_mmc_mux.o |
77 | 77 | COBJS-$(CONFIG_CMD_DATE) += cmd_date.o |
78 | +COBJS-$(CONFIG_CMD_SOUND) += cmd_sound.o | |
78 | 79 | ifdef CONFIG_4xx |
79 | 80 | COBJS-$(CONFIG_CMD_SETGETDCR) += cmd_dcr.o |
80 | 81 | endif |
common/cmd_sound.c
1 | +/* | |
2 | + * Copyright (C) 2012 Samsung Electronics | |
3 | + * Rajeshwari Shinde <rajeshwari.s@samsung.com> | |
4 | + * | |
5 | + * See file CREDITS for list of people who contributed to this | |
6 | + * project. | |
7 | + * | |
8 | + * This program is free software; you can redistribute it and/or | |
9 | + * modify it under the terms of the GNU General Public License as | |
10 | + * published by the Free Software Foundation; either version 2 of | |
11 | + * the License, or (at your option) any later version. | |
12 | + * | |
13 | + * This program is distributed in the hope that it will be useful, | |
14 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | + * GNU General Public License for more details. | |
17 | + * | |
18 | + * You should have received a copy of the GNU General Public License | |
19 | + * along with this program; if not, write to the Free Software | |
20 | + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | + * MA 02111-1307 USA | |
22 | + */ | |
23 | + | |
24 | +#include <common.h> | |
25 | +#include <command.h> | |
26 | +#include <fdtdec.h> | |
27 | +#include <sound.h> | |
28 | + | |
29 | +DECLARE_GLOBAL_DATA_PTR; | |
30 | + | |
31 | +/* Initilaise sound subsystem */ | |
32 | +static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) | |
33 | +{ | |
34 | + int ret; | |
35 | + | |
36 | + ret = sound_init(); | |
37 | + if (ret) { | |
38 | + printf("Initialise Audio driver failed\n"); | |
39 | + return CMD_RET_FAILURE; | |
40 | + } | |
41 | + | |
42 | + return 0; | |
43 | +} | |
44 | + | |
45 | +/* play sound from buffer */ | |
46 | +static int do_play(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) | |
47 | +{ | |
48 | + int ret = 0; | |
49 | + int msec = 1000; | |
50 | + int freq = 400; | |
51 | + | |
52 | + if (argc > 1) | |
53 | + msec = simple_strtoul(argv[1], NULL, 10); | |
54 | + if (argc > 2) | |
55 | + freq = simple_strtoul(argv[2], NULL, 10); | |
56 | + | |
57 | + ret = sound_play(msec, freq); | |
58 | + if (ret) { | |
59 | + printf("play failed"); | |
60 | + return CMD_RET_FAILURE; | |
61 | + } | |
62 | + | |
63 | + return 0; | |
64 | +} | |
65 | + | |
66 | +static cmd_tbl_t cmd_sound_sub[] = { | |
67 | + U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""), | |
68 | + U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""), | |
69 | +}; | |
70 | + | |
71 | +/* process sound command */ | |
72 | +static int do_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) | |
73 | +{ | |
74 | + cmd_tbl_t *c; | |
75 | + | |
76 | + if (argc < 1) | |
77 | + return CMD_RET_USAGE; | |
78 | + | |
79 | + /* Strip off leading 'sound' command argument */ | |
80 | + argc--; | |
81 | + argv++; | |
82 | + | |
83 | + c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub)); | |
84 | + | |
85 | + if (c) | |
86 | + return c->cmd(cmdtp, flag, argc, argv); | |
87 | + else | |
88 | + return CMD_RET_USAGE; | |
89 | +} | |
90 | + | |
91 | +U_BOOT_CMD( | |
92 | + sound, 4, 1, do_sound, | |
93 | + "sound sub-system", | |
94 | + "init - initialise the sound driver\n" | |
95 | + "sound play [len] [freq] - play a sound for len ms at freq hz\n" | |
96 | +); |