| /* |
| * aquila_wm8994.c |
| * |
| * Copyright (C) 2010 Samsung Electronics Co.Ltd |
| * Author: Chanwoo Choi <cw00.choi@samsung.com> |
| * |
| * 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 <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/io.h> |
| #include <linux/platform_device.h> |
| #include <sound/soc.h> |
| #include <sound/soc-dapm.h> |
| #include <sound/jack.h> |
| #include <asm/mach-types.h> |
| #include <mach/gpio.h> |
| #include <mach/regs-clock.h> |
| |
| #include <linux/mfd/wm8994/core.h> |
| #include <linux/mfd/wm8994/registers.h> |
| #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; |
| struct snd_soc_dapm_context *dapm = &codec->dapm; |
| int ret; |
| |
| /* add aquila specific widgets */ |
| snd_soc_dapm_new_controls(dapm, aquila_dapm_widgets, |
| ARRAY_SIZE(aquila_dapm_widgets)); |
| |
| /* set up aquila specific audio routes */ |
| snd_soc_dapm_add_routes(dapm, aquila_dapm_routes, |
| ARRAY_SIZE(aquila_dapm_routes)); |
| |
| /* set endpoints to not connected */ |
| snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN"); |
| snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP"); |
| snd_soc_dapm_nc_pin(dapm, "LINEOUT1N"); |
| snd_soc_dapm_nc_pin(dapm, "LINEOUT1P"); |
| snd_soc_dapm_nc_pin(dapm, "LINEOUT2N"); |
| snd_soc_dapm_nc_pin(dapm, "LINEOUT2P"); |
| snd_soc_dapm_nc_pin(dapm, "SPKOUTRN"); |
| snd_soc_dapm_nc_pin(dapm, "SPKOUTRP"); |
| |
| snd_soc_dapm_sync(dapm); |
| |
| /* 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 <cw00.choi@samsung.com>"); |
| MODULE_LICENSE("GPL"); |