/* * aquila_wm8994.c * * Copyright (C) 2010 Samsung Electronics Co.Ltd * Author: Chanwoo Choi * * 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. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include "../codecs/wm8994.h" #include "s3c-dma.h" #include "s3c64xx-i2s.h" static struct snd_soc_card aquila; static struct platform_device *aquila_snd_device; /* 3.5 pie jack */ static struct snd_soc_jack jack; /* 3.5 pie jack detection DAPM pins */ static struct snd_soc_jack_pin jack_pins[] = { { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL | SND_JACK_AVOUT, }, }; /* 3.5 pie jack detection gpios */ static struct snd_soc_jack_gpio jack_gpios[] = { { .gpio = S5PV210_GPH0(6), .name = "DET_3.5", .report = SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT, .debounce_time = 200, }, }; static const struct snd_soc_dapm_widget aquila_dapm_widgets[] = { SND_SOC_DAPM_SPK("Ext Spk", NULL), SND_SOC_DAPM_SPK("Ext Rcv", NULL), SND_SOC_DAPM_HP("Headset Stereophone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Main Mic", NULL), SND_SOC_DAPM_MIC("2nd Mic", NULL), SND_SOC_DAPM_LINE("Radio In", NULL), }; static const struct snd_soc_dapm_route aquila_dapm_routes[] = { {"Ext Spk", NULL, "SPKOUTLP"}, {"Ext Spk", NULL, "SPKOUTLN"}, {"Ext Rcv", NULL, "HPOUT2N"}, {"Ext Rcv", NULL, "HPOUT2P"}, {"Headset Stereophone", NULL, "HPOUT1L"}, {"Headset Stereophone", NULL, "HPOUT1R"}, {"IN1RN", NULL, "Headset Mic"}, {"IN1RP", NULL, "Headset Mic"}, {"IN1RN", NULL, "2nd Mic"}, {"IN1RP", NULL, "2nd Mic"}, {"IN1LN", NULL, "Main Mic"}, {"IN1LP", NULL, "Main Mic"}, {"IN2LN", NULL, "Radio In"}, {"IN2RN", NULL, "Radio In"}, }; static int aquila_wm8994_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; int ret; /* add aquila specific widgets */ snd_soc_dapm_new_controls(codec, aquila_dapm_widgets, ARRAY_SIZE(aquila_dapm_widgets)); /* set up aquila specific audio routes */ snd_soc_dapm_add_routes(codec, aquila_dapm_routes, ARRAY_SIZE(aquila_dapm_routes)); /* set endpoints to not connected */ snd_soc_dapm_nc_pin(codec, "IN2LP:VXRN"); snd_soc_dapm_nc_pin(codec, "IN2RP:VXRP"); snd_soc_dapm_nc_pin(codec, "LINEOUT1N"); snd_soc_dapm_nc_pin(codec, "LINEOUT1P"); snd_soc_dapm_nc_pin(codec, "LINEOUT2N"); snd_soc_dapm_nc_pin(codec, "LINEOUT2P"); snd_soc_dapm_nc_pin(codec, "SPKOUTRN"); snd_soc_dapm_nc_pin(codec, "SPKOUTRP"); snd_soc_dapm_sync(codec); /* Headset jack detection */ ret = snd_soc_jack_new(&aquila, "Headset Jack", SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT, &jack); if (ret) return ret; ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins); if (ret) return ret; ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios); if (ret) return ret; return 0; } static int aquila_hifi_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; unsigned int pll_out = 24000000; int ret = 0; /* set the cpu DAI configuration */ ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); if (ret < 0) return ret; /* set the cpu system clock */ ret = snd_soc_dai_set_sysclk(cpu_dai, S3C64XX_CLKSRC_PCLK, 0, SND_SOC_CLOCK_IN); if (ret < 0) return ret; /* set codec DAI configuration */ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); if (ret < 0) return ret; /* set the codec FLL */ ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out, params_rate(params) * 256); if (ret < 0) return ret; /* set the codec system clock */ ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1, params_rate(params) * 256, SND_SOC_CLOCK_IN); if (ret < 0) return ret; return 0; } static struct snd_soc_ops aquila_hifi_ops = { .hw_params = aquila_hifi_hw_params, }; static int aquila_voice_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; unsigned int pll_out = 24000000; int ret = 0; if (params_rate(params) != 8000) return -EINVAL; /* set codec DAI configuration */ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM); if (ret < 0) return ret; /* set the codec FLL */ ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out, params_rate(params) * 256); if (ret < 0) return ret; /* set the codec system clock */ ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2, params_rate(params) * 256, SND_SOC_CLOCK_IN); if (ret < 0) return ret; return 0; } static struct snd_soc_dai_driver voice_dai = { .name = "aquila-voice-dai", .playback = { .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000, .formats = SNDRV_PCM_FMTBIT_S16_LE,}, .capture = { .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000, .formats = SNDRV_PCM_FMTBIT_S16_LE,}, }; static struct snd_soc_ops aquila_voice_ops = { .hw_params = aquila_voice_hw_params, }; static struct snd_soc_dai_link aquila_dai[] = { { .name = "WM8994", .stream_name = "WM8994 HiFi", .cpu_dai_name = "s3c64xx-i2s-v4", .codec_dai_name = "wm8994-hifi", .platform_name = "s3c24xx-pcm-audio", .codec_name = "wm8994-codec.0-0x1a", .init = aquila_wm8994_init, .ops = &aquila_hifi_ops, }, { .name = "WM8994 Voice", .stream_name = "Voice", .cpu_dai_name = "aquila-voice-dai", .codec_dai_name = "wm8994-voice", .platform_name = "s3c24xx-pcm-audio", .codec_name = "wm8994-codec.0-0x1a", .ops = &aquila_voice_ops, }, }; static struct snd_soc_card aquila = { .name = "aquila", .dai_link = aquila_dai, .num_links = ARRAY_SIZE(aquila_dai), }; static int __init aquila_init(void) { int ret; if (!machine_is_aquila()) return -ENODEV; aquila_snd_device = platform_device_alloc("soc-audio", -1); if (!aquila_snd_device) return -ENOMEM; /* register voice DAI here */ ret = snd_soc_register_dai(&aquila_snd_device->dev, &voice_dai); if (ret) return ret; platform_set_drvdata(aquila_snd_device, &aquila); ret = platform_device_add(aquila_snd_device); if (ret) platform_device_put(aquila_snd_device); return ret; } static void __exit aquila_exit(void) { platform_device_unregister(aquila_snd_device); } module_init(aquila_init); module_exit(aquila_exit); /* Module information */ MODULE_DESCRIPTION("ALSA SoC WM8994 Aquila(S5PC110)"); MODULE_AUTHOR("Chanwoo Choi "); MODULE_LICENSE("GPL");