init android origin source code

1 files changed, 289 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/sound/soc/tegra/tegra_alc5632.c b/ANDROID_3.4.5/sound/soc/tegra/tegra_alc5632.c
new file mode 100644
index 00000000..e45ccd85
--- /dev/null
+++ b/ANDROID_3.4.5/sound/soc/tegra/tegra_alc5632.c
@@ -0,0 +1,289 @@
+/*
+* tegra_alc5632.c  --  Toshiba AC100(PAZ00) machine ASoC driver
+*
+* Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
+*
+* Authors:  Leon Romanovsky <leon@leon.nu>
+*           Andrey Danin <danindrey@mail.ru>
+*           Marc Dietrich <marvin24@gmx.de>
+*
+* 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.
+*/
+
+#include <asm/mach-types.h>
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "../codecs/alc5632.h"
+
+#include "tegra_das.h"
+#include "tegra_i2s.h"
+#include "tegra_pcm.h"
+#include "tegra_asoc_utils.h"
+
+#define DRV_NAME "tegra-alc5632"
+
+#define GPIO_HP_DET     BIT(0)
+
+struct tegra_alc5632 {
+	struct tegra_asoc_utils_data util_data;
+	struct platform_device *pcm_dev;
+	int gpio_requested;
+	int gpio_hp_det;
+};
+
+static int tegra_alc5632_asoc_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_codec *codec = rtd->codec;
+	struct snd_soc_card *card = codec->card;
+	struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
+	int srate, mclk;
+	int err;
+
+	srate = params_rate(params);
+	mclk = 512 * srate;
+
+	err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
+	if (err < 0) {
+		dev_err(card->dev, "Can't configure clocks\n");
+		return err;
+	}
+
+	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
+					SND_SOC_CLOCK_IN);
+	if (err < 0) {
+		dev_err(card->dev, "codec_dai clock not set\n");
+		return err;
+	}
+
+	return 0;
+}
+
+static struct snd_soc_ops tegra_alc5632_asoc_ops = {
+	.hw_params = tegra_alc5632_asoc_hw_params,
+};
+
+static struct snd_soc_jack tegra_alc5632_hs_jack;
+
+static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
+	{
+		.pin = "Headset Mic",
+		.mask = SND_JACK_MICROPHONE,
+	},
+	{
+		.pin = "Headset Stereophone",
+		.mask = SND_JACK_HEADPHONE,
+	},
+};
+
+static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
+	.name = "Headset detection",
+	.report = SND_JACK_HEADSET,
+	.debounce_time = 150,
+	.invert = 1,
+};
+
+static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
+	SND_SOC_DAPM_SPK("Int Spk", NULL),
+	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Digital Mic", NULL),
+};
+
+static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Int Spk"),
+};
+
+static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_codec *codec = rtd->codec;
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+	struct device_node *np = codec->card->dev->of_node;
+	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);
+
+	snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
+			 &tegra_alc5632_hs_jack);
+	snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
+			ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
+			tegra_alc5632_hs_jack_pins);
+
+	machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
+
+	if (gpio_is_valid(machine->gpio_hp_det)) {
+		tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
+		snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
+						1,
+						&tegra_alc5632_hp_jack_gpio);
+		machine->gpio_requested |= GPIO_HP_DET;
+	}
+
+	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
+
+	return 0;
+}
+
+static struct snd_soc_dai_link tegra_alc5632_dai = {
+	.name = "ALC5632",
+	.stream_name = "ALC5632 PCM",
+	.platform_name = "tegra-pcm-audio",
+	.codec_dai_name = "alc5632-hifi",
+	.init = tegra_alc5632_asoc_init,
+	.ops = &tegra_alc5632_asoc_ops,
+	.dai_fmt = SND_SOC_DAIFMT_I2S
+			   | SND_SOC_DAIFMT_NB_NF
+			   | SND_SOC_DAIFMT_CBS_CFS,
+};
+
+static struct snd_soc_card snd_soc_tegra_alc5632 = {
+	.name = "tegra-alc5632",
+	.owner = THIS_MODULE,
+	.dai_link = &tegra_alc5632_dai,
+	.num_links = 1,
+	.controls = tegra_alc5632_controls,
+	.num_controls = ARRAY_SIZE(tegra_alc5632_controls),
+	.dapm_widgets = tegra_alc5632_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
+	.fully_routed = true,
+};
+
+static __devinit int tegra_alc5632_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &snd_soc_tegra_alc5632;
+	struct tegra_alc5632 *alc5632;
+	int ret;
+
+	alc5632 = devm_kzalloc(&pdev->dev,
+			sizeof(struct tegra_alc5632), GFP_KERNEL);
+	if (!alc5632) {
+		dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	card->dev = &pdev->dev;
+	platform_set_drvdata(pdev, card);
+	snd_soc_card_set_drvdata(card, alc5632);
+
+	alc5632->pcm_dev = ERR_PTR(-EINVAL);
+
+	if (!(pdev->dev.of_node)) {
+		dev_err(&pdev->dev, "Must be instantiated using device tree\n");
+		ret = -EINVAL;
+		goto err;
+	}
+
+	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
+	if (ret)
+		goto err;
+
+	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
+	if (ret)
+		goto err;
+
+	tegra_alc5632_dai.codec_of_node = of_parse_phandle(
+			pdev->dev.of_node, "nvidia,audio-codec", 0);
+
+	if (!tegra_alc5632_dai.codec_of_node) {
+		dev_err(&pdev->dev,
+			"Property 'nvidia,audio-codec' missing or invalid\n");
+		ret = -EINVAL;
+		goto err;
+	}
+
+	tegra_alc5632_dai.cpu_dai_of_node = of_parse_phandle(
+			pdev->dev.of_node, "nvidia,i2s-controller", 0);
+	if (!tegra_alc5632_dai.cpu_dai_of_node) {
+		dev_err(&pdev->dev,
+		"Property 'nvidia,i2s-controller' missing or invalid\n");
+		ret = -EINVAL;
+		goto err;
+	}
+
+	alc5632->pcm_dev = platform_device_register_simple(
+		"tegra-pcm-audio", -1, NULL, 0);
+	if (IS_ERR(alc5632->pcm_dev)) {
+		dev_err(&pdev->dev,
+			"Can't instantiate tegra-pcm-audio\n");
+		ret = PTR_ERR(alc5632->pcm_dev);
+		goto err;
+	}
+
+	ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
+	if (ret)
+		goto err_unregister;
+
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+			ret);
+		goto err_fini_utils;
+	}
+
+	return 0;
+
+err_fini_utils:
+	tegra_asoc_utils_fini(&alc5632->util_data);
+err_unregister:
+	if (!IS_ERR(alc5632->pcm_dev))
+		platform_device_unregister(alc5632->pcm_dev);
+err:
+	return ret;
+}
+
+static int __devexit tegra_alc5632_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
+
+	if (machine->gpio_requested & GPIO_HP_DET)
+		snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack,
+					1,
+					&tegra_alc5632_hp_jack_gpio);
+	machine->gpio_requested = 0;
+
+	snd_soc_unregister_card(card);
+
+	tegra_asoc_utils_fini(&machine->util_data);
+	if (!IS_ERR(machine->pcm_dev))
+		platform_device_unregister(machine->pcm_dev);
+
+	return 0;
+}
+
+static const struct of_device_id tegra_alc5632_of_match[] __devinitconst = {
+	{ .compatible = "nvidia,tegra-audio-alc5632", },
+	{},
+};
+
+static struct platform_driver tegra_alc5632_driver = {
+	.driver = {
+		.name = DRV_NAME,
+		.owner = THIS_MODULE,
+		.pm = &snd_soc_pm_ops,
+		.of_match_table = tegra_alc5632_of_match,
+	},
+	.probe = tegra_alc5632_probe,
+	.remove = __devexit_p(tegra_alc5632_remove),
+};
+module_platform_driver(tegra_alc5632_driver);
+
+MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
+MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);