/* * File: sound/soc/blackfin/bf5xx-ad193x.c * Author: Barry Song * * Created: Thur June 4 2009 * Description: Board driver for ad193x sound chip * * 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 #include #include "../codecs/ad193x.h" static struct snd_soc_card bf5xx_ad193x; static int bf5xx_ad193x_link_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret; /* set the codec system clock for DAC and ADC */ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 24576000, SND_SOC_CLOCK_IN); if (ret < 0) return ret; /* set codec DAI slots, 8 channels, all channels are enabled */ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xFF, 0xFF, 8, 32); if (ret < 0) return ret; ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32); if (ret < 0) return ret; return 0; } #define BF5XX_AD193X_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \ SND_SOC_DAIFMT_CBM_CFM) static struct snd_soc_dai_link bf5xx_ad193x_dai[] = { { .name = "ad193x", .stream_name = "AD193X", .cpu_dai_name = "bfin-i2s.0", .codec_dai_name ="ad193x-hifi", .platform_name = "bfin-i2s-pcm-audio", .codec_name = "spi0.5", .dai_fmt = BF5XX_AD193X_DAIFMT, .init = bf5xx_ad193x_link_init, }, { .name = "ad193x", .stream_name = "AD193X", .cpu_dai_name = "bfin-i2s.1", .codec_dai_name ="ad193x-hifi", .platform_name = "bfin-i2s-pcm-audio", .codec_name = "spi0.5", .dai_fmt = BF5XX_AD193X_DAIFMT, .init = bf5xx_ad193x_link_init, }, }; static struct snd_soc_card bf5xx_ad193x = { .name = "bfin-ad193x", .owner = THIS_MODULE, .dai_link = &bf5xx_ad193x_dai[CONFIG_SND_BF5XX_SPORT_NUM], .num_links = 1, }; static struct platform_device *bfxx_ad193x_snd_device; static int __init bf5xx_ad193x_init(void) { int ret; bfxx_ad193x_snd_device = platform_device_alloc("soc-audio", -1); if (!bfxx_ad193x_snd_device) return -ENOMEM; platform_set_drvdata(bfxx_ad193x_snd_device, &bf5xx_ad193x); ret = platform_device_add(bfxx_ad193x_snd_device); if (ret) platform_device_put(bfxx_ad193x_snd_device); return ret; } static void __exit bf5xx_ad193x_exit(void) { platform_device_unregister(bfxx_ad193x_snd_device); } module_init(bf5xx_ad193x_init); module_exit(bf5xx_ad193x_exit); /* Module information */ MODULE_AUTHOR("Barry Song"); MODULE_DESCRIPTION("ALSA SoC AD193X board driver"); MODULE_LICENSE("GPL"); &id=c56108b58ab870892277940a1def0d6b153f3e26'>types.h
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