ASoC: DaVinci: CQ93VC Voice Codec (b56e972b) · Commits · e / devices / android_kernel_oneplus_sm7250

sound/soc/codecs/Kconfig

+4 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ config SND_SOC_ALL_CODECS
		select SND_SOC_AK4535 if I2C
		select SND_SOC_AK4642 if I2C
		select SND_SOC_AK4671 if I2C
		select SND_SOC_CQ0093VC if MFD_DAVINCI_VOICECODEC
		select SND_SOC_CS4270 if I2C
		select SND_SOC_MAX9877 if I2C
		select SND_SOC_DA7210 if I2C
		@@ -114,6 +115,9 @@ config SND_SOC_AK4642
		config SND_SOC_AK4671
		tristate

		config SND_SOC_CQ0093VC
		tristate

		# Cirrus Logic CS4270 Codec
		config SND_SOC_CS4270
		tristate

sound/soc/codecs/Makefile

+2 −0

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		@@ -8,6 +8,7 @@ snd-soc-ak4104-objs := ak4104.o
		snd-soc-ak4535-objs := ak4535.o
		snd-soc-ak4642-objs := ak4642.o
		snd-soc-ak4671-objs := ak4671.o
		snd-soc-cq93vc-objs := cq93vc.o
		snd-soc-cs4270-objs := cs4270.o
		snd-soc-cx20442-objs := cx20442.o
		snd-soc-da7210-objs := da7210.o
		@@ -70,6 +71,7 @@ obj-$(CONFIG_SND_SOC_AK4104) += snd-soc-ak4104.o
		obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
		obj-$(CONFIG_SND_SOC_AK4642) += snd-soc-ak4642.o
		obj-$(CONFIG_SND_SOC_AK4671) += snd-soc-ak4671.o
		obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o
		obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
		obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o
		obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o

sound/soc/codecs/cq93vc.c

0 → 100644

+298 −0

Original line number	Diff line number	Diff line
		/*
		* ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
		*
		* Copyright (C) 2010 Texas Instruments, Inc
		*
		* Author: Miguel Aguilar <miguel.aguilar@ridgerun.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.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		*/
		#include <linux/module.h>
		#include <linux/moduleparam.h>
		#include <linux/init.h>
		#include <linux/io.h>
		#include <linux/delay.h>
		#include <linux/pm.h>
		#include <linux/platform_device.h>
		#include <linux/device.h>
		#include <linux/clk.h>
		#include <linux/mfd/davinci_voicecodec.h>

		#include <sound/core.h>
		#include <sound/pcm.h>
		#include <sound/pcm_params.h>
		#include <sound/soc.h>
		#include <sound/soc-dai.h>
		#include <sound/soc-dapm.h>
		#include <sound/initval.h>

		#include <mach/dm365.h>

		#include "cq93vc.h"

		static inline unsigned int cq93vc_read(struct snd_soc_codec *codec,
		unsigned int reg)
		{
		struct davinci_vc *davinci_vc = codec->control_data;

		return readl(davinci_vc->base + reg);
		}

		static inline int cq93vc_write(struct snd_soc_codec *codec, unsigned int reg,
		unsigned int value)
		{
		struct davinci_vc *davinci_vc = codec->control_data;

		writel(value, davinci_vc->base + reg);

		return 0;
		}

		static const struct snd_kcontrol_new cq93vc_snd_controls[] = {
		SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0),
		SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0),
		};

		static int cq93vc_mute(struct snd_soc_dai *dai, int mute)
		{
		struct snd_soc_codec *codec = dai->codec;
		u8 reg = cq93vc_read(codec, DAVINCI_VC_REG09) & ~DAVINCI_VC_REG09_MUTE;

		if (mute)
		cq93vc_write(codec, DAVINCI_VC_REG09,
		reg \| DAVINCI_VC_REG09_MUTE);
		else
		cq93vc_write(codec, DAVINCI_VC_REG09, reg);

		return 0;
		}

		static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
		int clk_id, unsigned int freq, int dir)
		{
		struct snd_soc_codec *codec = codec_dai->codec;
		struct davinci_vc *davinci_vc = codec->control_data;

		switch (freq) {
		case 22579200:
		case 27000000:
		case 33868800:
		davinci_vc->cq93vc.sysclk = freq;
		return 0;
		}

		return -EINVAL;
		}

		static int cq93vc_set_bias_level(struct snd_soc_codec *codec,
		enum snd_soc_bias_level level)
		{
		switch (level) {
		case SND_SOC_BIAS_ON:
		cq93vc_write(codec, DAVINCI_VC_REG12,
		DAVINCI_VC_REG12_POWER_ALL_ON);
		break;
		case SND_SOC_BIAS_PREPARE:
		break;
		case SND_SOC_BIAS_STANDBY:
		cq93vc_write(codec, DAVINCI_VC_REG12,
		DAVINCI_VC_REG12_POWER_ALL_OFF);
		break;
		case SND_SOC_BIAS_OFF:
		/* force all power off */
		cq93vc_write(codec, DAVINCI_VC_REG12,
		DAVINCI_VC_REG12_POWER_ALL_OFF);
		break;
		}
		codec->bias_level = level;

		return 0;
		}

		#define CQ93VC_RATES (SNDRV_PCM_RATE_8000 \| SNDRV_PCM_RATE_16000)
		#define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 \| SNDRV_PCM_FMTBIT_S16_LE)

		static struct snd_soc_dai_ops cq93vc_dai_ops = {
		.digital_mute = cq93vc_mute,
		.set_sysclk = cq93vc_set_dai_sysclk,
		};

		struct snd_soc_dai cq93vc_dai = {
		.name = "CQ93VC",
		.playback = {
		.stream_name = "Playback",
		.channels_min = 1,
		.channels_max = 2,
		.rates = CQ93VC_RATES,
		.formats = CQ93VC_FORMATS,},
		.capture = {
		.stream_name = "Capture",
		.channels_min = 1,
		.channels_max = 2,
		.rates = CQ93VC_RATES,
		.formats = CQ93VC_FORMATS,},
		.ops = &cq93vc_dai_ops,
		};
		EXPORT_SYMBOL_GPL(cq93vc_dai);

		static int cq93vc_resume(struct platform_device *pdev)
		{
		struct snd_soc_device *socdev = platform_get_drvdata(pdev);
		struct snd_soc_codec *codec = socdev->card->codec;

		cq93vc_set_bias_level(codec, codec->suspend_bias_level);

		return 0;
		}

		static struct snd_soc_codec *cq93vc_codec;

		static int cq93vc_probe(struct platform_device *pdev)
		{
		struct snd_soc_device *socdev = platform_get_drvdata(pdev);
		struct device *dev = &pdev->dev;
		struct snd_soc_codec *codec;
		int ret;

		socdev->card->codec = cq93vc_codec;
		codec = socdev->card->codec;

		/* Register pcms */
		ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
		if (ret < 0) {
		dev_err(dev, "%s: failed to create pcms\n", pdev->name);
		return ret;
		}

		/* Set controls */
		snd_soc_add_controls(codec, cq93vc_snd_controls,
		ARRAY_SIZE(cq93vc_snd_controls));

		/* Off, with power on */
		cq93vc_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

		return 0;
		}

		static int cq93vc_remove(struct platform_device *pdev)
		{
		struct snd_soc_device *socdev = platform_get_drvdata(pdev);

		snd_soc_free_pcms(socdev);
		snd_soc_dapm_free(socdev);

		return 0;
		}

		struct snd_soc_codec_device soc_codec_dev_cq93vc = {
		.probe = cq93vc_probe,
		.remove = cq93vc_remove,
		.resume = cq93vc_resume,
		};
		EXPORT_SYMBOL_GPL(soc_codec_dev_cq93vc);

		static __init int cq93vc_codec_probe(struct platform_device *pdev)
		{
		struct davinci_vc *davinci_vc = platform_get_drvdata(pdev);
		struct snd_soc_codec *codec;
		int ret;

		codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
		if (codec == NULL) {
		dev_dbg(davinci_vc->dev,
		"could not allocate memory for codec data\n");
		return -ENOMEM;
		}

		davinci_vc->cq93vc.codec = codec;

		cq93vc_dai.dev = &pdev->dev;

		mutex_init(&codec->mutex);
		INIT_LIST_HEAD(&codec->dapm_widgets);
		INIT_LIST_HEAD(&codec->dapm_paths);
		codec->dev = &pdev->dev;
		codec->name = "CQ93VC";
		codec->owner = THIS_MODULE;
		codec->read = cq93vc_read;
		codec->write = cq93vc_write;
		codec->set_bias_level = cq93vc_set_bias_level;
		codec->dai = &cq93vc_dai;
		codec->num_dai = 1;
		codec->control_data = davinci_vc;

		cq93vc_codec = codec;

		ret = snd_soc_register_codec(codec);
		if (ret) {
		dev_err(davinci_vc->dev, "failed to register codec\n");
		goto fail1;
		}

		ret = snd_soc_register_dai(&cq93vc_dai);
		if (ret) {
		dev_err(davinci_vc->dev, "could register dai\n");
		goto fail2;
		}
		return 0;

		fail2:
		snd_soc_unregister_codec(codec);

		fail1:
		kfree(codec);
		cq93vc_codec = NULL;

		return ret;
		}

		static int __devexit cq93vc_codec_remove(struct platform_device *pdev)
		{
		struct snd_soc_device *socdev = platform_get_drvdata(pdev);
		struct snd_soc_codec *codec = socdev->card->codec;

		snd_soc_unregister_dai(&cq93vc_dai);
		snd_soc_unregister_codec(&codec);

		kfree(codec);
		cq93vc_codec = NULL;

		return 0;
		}

		static struct platform_driver cq93vc_codec_driver = {
		.driver = {
		.name = "cq93vc",
		.owner = THIS_MODULE,
		},
		.probe = cq93vc_codec_probe,
		.remove = __devexit_p(cq93vc_codec_remove),
		};

		static __init int cq93vc_init(void)
		{
		return platform_driver_probe(&cq93vc_codec_driver, cq93vc_codec_probe);
		}
		module_init(cq93vc_init);

		static __exit void cq93vc_exit(void)
		{
		platform_driver_unregister(&cq93vc_codec_driver);
		}
		module_exit(cq93vc_exit);

		MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
		MODULE_AUTHOR("Miguel Aguilar");
		MODULE_LICENSE("GPL");

sound/soc/codecs/cq93vc.h

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		/*
		* ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
		*
		* Copyright (C) 2010 Texas Instruments, Inc
		*
		* Author: Miguel Aguilar <miguel.aguilar@ridgerun.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.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		*/

		#ifndef _CQ93VC_H
		#define _CQ93VC_H

		extern struct snd_soc_dai cq93vc_dai;
		extern struct snd_soc_codec_device soc_codec_dev_cq93vc;

		#endif