/* * rx51.c -- SoC audio for Nokia RX-51 * * Copyright (C) 2008 - 2009 Nokia Corporation * * Contact: Peter Ujfalusi * Eduardo Valentin * Jarkko Nikula * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * 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, 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 "omap-mcbsp.h" #include "omap-pcm.h" #include "../codecs/tlv320aic3x.h" /* * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c */ #define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7) static int rx51_spk_func; static int rx51_dmic_func; static void rx51_ext_control(struct snd_soc_codec *codec) { if (rx51_spk_func) snd_soc_dapm_enable_pin(codec, "Ext Spk"); else snd_soc_dapm_disable_pin(codec, "Ext Spk"); if (rx51_dmic_func) snd_soc_dapm_enable_pin(codec, "DMic"); else snd_soc_dapm_disable_pin(codec, "DMic"); snd_soc_dapm_sync(codec); } static int rx51_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_codec *codec = rtd->socdev->card->codec; snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); rx51_ext_control(codec); return 0; } static int rx51_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->dai->codec_dai; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; int err; /* Set codec DAI configuration */ err = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBM_CFM); if (err < 0) return err; /* Set cpu DAI configuration */ err = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBM_CFM); if (err < 0) return err; /* Set the codec system clock for DAC and ADC */ return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000, SND_SOC_CLOCK_IN); } static struct snd_soc_ops rx51_ops = { .startup = rx51_startup, .hw_params = rx51_hw_params, }; static int rx51_get_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = rx51_spk_func; return 0; } static int rx51_set_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); if (rx51_spk_func == ucontrol->value.integer.value[0]) return 0; rx51_spk_func = ucontrol->value.integer.value[0]; rx51_ext_control(codec); return 1; } static int rx51_spk_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 1); else gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 0); return 0; } static int rx51_get_input(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = rx51_dmic_func; return 0; } static int rx51_set_input(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); if (rx51_dmic_func == ucontrol->value.integer.value[0]) return 0; rx51_dmic_func = ucontrol->value.integer.value[0]; rx51_ext_control(codec); return 1; } static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = { SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event), SND_SOC_DAPM_MIC("DMic", NULL), }; static const struct snd_soc_dapm_route audio_map[] = { {"Ext Spk", NULL, "HPLOUT"}, {"Ext Spk", NULL, "HPROUT"}, {"DMic Rate 64", NULL, "Mic Bias 2V"}, {"Mic Bias 2V", NULL, "DMic"}, }; static const char *spk_function[] = {"Off", "On"}; static const char *input_function[] = {"ADC", "Digital Mic"}; static const struct soc_enum rx51_enum[] = { SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), }; static const struct snd_kcontrol_new aic34_rx51_controls[] = { SOC_ENUM_EXT("Speaker Function", rx51_enum[0], rx51_get_spk, rx51_set_spk), SOC_ENUM_EXT("Input Select", rx51_enum[1], rx51_get_input, rx51_set_input), }; static int rx51_aic34_init(struct snd_soc_codec *codec) { int err; /* Set up NC codec pins */ snd_soc_dapm_nc_pin(codec, "MIC3L"); snd_soc_dapm_nc_pin(codec, "MIC3R"); snd_soc_dapm_nc_pin(codec, "LINE1R"); /* Add RX-51 specific controls */ err = snd_soc_add_controls(codec, aic34_rx51_controls, ARRAY_SIZE(aic34_rx51_controls)); if (err < 0) return err; /* Add RX-51 specific widgets */ snd_soc_dapm_new_controls(codec, aic34_dapm_widgets, ARRAY_SIZE(aic34_dapm_widgets)); /* Set up RX-51 specific audio path audio_map */ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); snd_soc_dapm_sync(codec); return 0; } /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link rx51_dai[] = { { .name = "TLV320AIC34", .stream_name = "AIC34", .cpu_dai = &omap_mcbsp_dai[0], .codec_dai = &aic3x_dai, .init = rx51_aic34_init, .ops = &rx51_ops, }, }; /* Audio private data */ static struct aic3x_setup_data rx51_aic34_setup = { .gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED, .gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT, }; /* Audio card */ static struct snd_soc_card rx51_sound_card = { .name = "RX-51", .dai_link = rx51_dai, .num_links = ARRAY_SIZE(rx51_dai), .platform = &omap_soc_platform, }; /* Audio subsystem */ static struct snd_soc_device rx51_snd_devdata = { .card = &rx51_sound_card, .codec_dev = &soc_codec_dev_aic3x, .codec_data = &rx51_aic34_setup, }; static struct platform_device *rx51_snd_device; static int __init rx51_soc_init(void) { int err; if (!machine_is_nokia_rx51()) return -ENODEV; rx51_snd_device = platform_device_alloc("soc-audio", -1); if (!rx51_snd_device) { err = -ENOMEM; goto err1; } platform_set_drvdata(rx51_snd_device, &rx51_snd_devdata); rx51_snd_devdata.dev = &rx51_snd_device->dev; *(unsigned int *)rx51_dai[0].cpu_dai->private_data = 1; /* McBSP2 */ err = platform_device_add(rx51_snd_device); if (err) goto err2; return 0; err2: platform_device_put(rx51_snd_device); err1: return err; } static void __exit rx51_soc_exit(void) { platform_device_unregister(rx51_snd_device); } module_init(rx51_soc_init); module_exit(rx51_soc_exit); MODULE_AUTHOR("Nokia Corporation"); MODULE_DESCRIPTION("ALSA SoC Nokia RX-51"); MODULE_LICENSE("GPL");