--- /dev/null
+/*
+ * 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;
+ 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 <cw00.choi@samsung.com>");
+MODULE_LICENSE("GPL");
git.openpandora.org / pandora-kernel.git / commitdiff