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>master
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/*
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* Copyright (C) 2012 Samsung Electronics |
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* Rajeshwari Shinde <rajeshwari.s@samsung.com> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <fdtdec.h> |
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#include <sound.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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/* Initilaise sound subsystem */ |
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static int do_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
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{ |
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int ret; |
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ret = sound_init(); |
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if (ret) { |
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printf("Initialise Audio driver failed\n"); |
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return CMD_RET_FAILURE; |
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} |
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return 0; |
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} |
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/* play sound from buffer */ |
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static int do_play(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
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{ |
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int ret = 0; |
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int msec = 1000; |
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int freq = 400; |
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if (argc > 1) |
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msec = simple_strtoul(argv[1], NULL, 10); |
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if (argc > 2) |
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freq = simple_strtoul(argv[2], NULL, 10); |
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ret = sound_play(msec, freq); |
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if (ret) { |
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printf("play failed"); |
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return CMD_RET_FAILURE; |
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} |
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return 0; |
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} |
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static cmd_tbl_t cmd_sound_sub[] = { |
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U_BOOT_CMD_MKENT(init, 0, 1, do_init, "", ""), |
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U_BOOT_CMD_MKENT(play, 2, 1, do_play, "", ""), |
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}; |
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/* process sound command */ |
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static int do_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
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{ |
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cmd_tbl_t *c; |
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if (argc < 1) |
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return CMD_RET_USAGE; |
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/* Strip off leading 'sound' command argument */ |
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argc--; |
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argv++; |
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c = find_cmd_tbl(argv[0], &cmd_sound_sub[0], ARRAY_SIZE(cmd_sound_sub)); |
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if (c) |
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return c->cmd(cmdtp, flag, argc, argv); |
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else |
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return CMD_RET_USAGE; |
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} |
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U_BOOT_CMD( |
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sound, 4, 1, do_sound, |
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"sound sub-system", |
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"init - initialise the sound driver\n" |
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"sound play [len] [freq] - play a sound for len ms at freq hz\n" |
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); |
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