1 files changed, 295 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/aquila_wm8994.c b/sound/soc/s3c24xx/aquila_wm8994.c
new file mode 100644
index 0000000..235d197
--- /dev/null
+++ b/sound/soc/s3c24xx/aquila_wm8994.c
@@ -0,0 +1,295 @@
+/*
+ * 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");