ASoC: Tegra machine ASoC driver for boards using ALC5332 codec (58783faf) · Commits · e / devices / android_kernel_xiaomi_markw

sound/soc/tegra/Kconfig

+9 −0

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		@@ -47,3 +47,12 @@ config SND_SOC_TEGRA_TRIMSLICE
		help
		Say Y or M here if you want to add support for SoC audio on the
		TrimSlice platform.

		config SND_SOC_TEGRA_ALC5632
		tristate "SoC Audio support for Tegra boards using an ALC5632 codec"
		depends on SND_SOC_TEGRA && I2C
		select SND_SOC_TEGRA_I2S
		select SND_SOC_ALC5632
		help
		Say Y or M here if you want to add support for SoC audio on the
		Toshiba AC100 netbook.

sound/soc/tegra/Makefile

+2 −0

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		@@ -14,6 +14,8 @@ obj-$(CONFIG_SND_SOC_TEGRA_SPDIF) += snd-soc-tegra-spdif.o
		# Tegra machine Support
		snd-soc-tegra-wm8903-objs := tegra_wm8903.o
		snd-soc-tegra-trimslice-objs := trimslice.o
		snd-soc-tegra-alc5632-objs := tegra_alc5632.o

		obj-$(CONFIG_SND_SOC_TEGRA_WM8903) += snd-soc-tegra-wm8903.o
		obj-$(CONFIG_SND_SOC_TEGRA_TRIMSLICE) += snd-soc-tegra-trimslice.o
		obj-$(CONFIG_SND_SOC_TEGRA_ALC5632) += snd-soc-tegra-alc5632.o

sound/soc/tegra/tegra_alc5632.c

0 → 100644

+213 −0

Original line number	Diff line number	Diff line
		/*
		* 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 <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"

		struct tegra_alc5632 {
		struct tegra_asoc_utils_data util_data;
		};

		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 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),
		};

		static const struct snd_soc_dapm_route tegra_alc5632_audio_map[] = {
		/* Internal Speaker */
		{"Int Spk", NULL, "SPKOUT"},
		{"Int Spk", NULL, "SPKOUTN"},

		/* Headset Mic */
		{"MIC1", NULL, "MICBIAS1"},
		{"MICBIAS1", NULL, "Headset Mic"},

		/* Headset Stereophone */
		{"Headset Stereophone", NULL, "HPR"},
		{"Headset Stereophone", NULL, "HPL"},
		};

		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;

		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);

		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",
		.codec_name = "alc5632.0-001e",
		.platform_name = "tegra-pcm-audio",
		.cpu_dai_name = "tegra-i2s.0",
		.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",
		.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),
		.dapm_routes = tegra_alc5632_audio_map,
		.num_dapm_routes = ARRAY_SIZE(tegra_alc5632_audio_map),
		.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");
		return -ENOMEM;
		}

		ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
		if (ret)
		return ret;

		card->dev = &pdev->dev;
		platform_set_drvdata(pdev, card);
		snd_soc_card_set_drvdata(card, alc5632);

		ret = snd_soc_register_card(card);
		if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
		ret);
		tegra_asoc_utils_fini(&alc5632->util_data);
		return ret;
		}

		return 0;
		}

		static int __devexit tegra_alc5632_remove(struct platform_device *pdev)
		{
		struct snd_soc_card *card = platform_get_drvdata(pdev);
		struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);

		snd_soc_unregister_card(card);

		tegra_asoc_utils_fini(&alc5632->util_data);

		return 0;
		}

		static struct platform_driver tegra_alc5632_driver = {
		.driver = {
		.name = DRV_NAME,
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
		},
		.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);