/* * File: sound/soc/blackfin/bf5xx-ssm2602.c * Author: Cliff Cai * * Created: Tue June 06 2008 * Description: board driver for SSM2602 sound chip * * Modified: * Copyright 2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see the file COPYING, or write * to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include "../codecs/ssm2602.h" #include "bf5xx-sport.h" static struct snd_soc_card bf5xx_ssm2602; static int bf5xx_ssm2602_dai_init(struct snd_soc_pcm_runtime *rtd) { /* * If you are using a crystal source which frequency is not 12MHz * then modify the below case statement with frequency of the crystal. * * If you are using the SPORT to generate clocking then this is * where to do it. */ return snd_soc_dai_set_sysclk(rtd->codec_dai, SSM2602_SYSCLK, 12000000, SND_SOC_CLOCK_IN); } /* CODEC is master for BCLK and LRC in this configuration. */ #define BF5XX_SSM2602_DAIFMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \ SND_SOC_DAIFMT_CBM_CFM) static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = { { .name = "ssm2602", .stream_name = "SSM2602", .cpu_dai_name = "bfin-i2s.0", .codec_dai_name = "ssm2602-hifi", .platform_name = "bfin-i2s-pcm-audio", .codec_name = "ssm2602.0-001b", .init = bf5xx_ssm2602_dai_init, .dai_fmt = BF5XX_SSM2602_DAIFMT, }, { .name = "ssm2602", .stream_name = "SSM2602", .cpu_dai_name = "bfin-i2s.1", .codec_dai_name = "ssm2602-hifi", .platform_name = "bfin-i2s-pcm-audio", .codec_name = "ssm2602.0-001b", .init = bf5xx_ssm2602_dai_init, .dai_fmt = BF5XX_SSM2602_DAIFMT, }, }; static struct snd_soc_card bf5xx_ssm2602 = { .name = "bfin-ssm2602", .owner = THIS_MODULE, .dai_link = &bf5xx_ssm2602_dai[CONFIG_SND_BF5XX_SPORT_NUM], .num_links = 1, }; static struct platform_device *bf5xx_ssm2602_snd_device; static int __init bf5xx_ssm2602_init(void) { int ret; pr_debug("%s enter\n", __func__); bf5xx_ssm2602_snd_device = platform_device_alloc("soc-audio", -1); if (!bf5xx_ssm2602_snd_device) return -ENOMEM; platform_set_drvdata(bf5xx_ssm2602_snd_device, &bf5xx_ssm2602); ret = platform_device_add(bf5xx_ssm2602_snd_device); if (ret) platform_device_put(bf5xx_ssm2602_snd_device); return ret; } static void __exit bf5xx_ssm2602_exit(void) { pr_debug("%s enter\n", __func__); platform_device_unregister(bf5xx_ssm2602_snd_device); } module_init(bf5xx_ssm2602_init); module_exit(bf5xx_ssm2602_exit); /* Module information */ MODULE_AUTHOR("Cliff Cai"); MODULE_DESCRIPTION("ALSA SoC SSM2602 BF527-EZKIT"); MODULE_LICENSE("GPL"); d5c46e97f7f4a9b937d038bb2852&showmsg=1'>Expand)AuthorFilesLines