Commit efe81e9a authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

ASoC: remove unused davinci support 



The dm644x and dm3xx SoCs have been removed, as have the
da850_evm/da830_evm machines, the remaining machines all use the
DT based probing and do not use the vcif driver.

Acked-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 3c9cb349

sound/soc/ti/Kconfig

+0 −40
Original line number Diff line number Diff line
@@ -40,13 +40,6 @@ config SND_SOC_DAVINCI_MCASP 
	  - Keystone devices

	  - K3 devices (am654, j721e)



config SND_SOC_DAVINCI_VCIF

	tristate "daVinci Voice Interface (VCIF) support"

	depends on ARCH_DAVINCI || COMPILE_TEST

	select SND_SOC_TI_EDMA_PCM

	help

	  Say Y or M here if you want audio support via daVinci VCIF.



config SND_SOC_OMAP_DMIC

	tristate "Digital Microphone Module (DMIC) support"

	depends on ARCH_OMAP4 || SOC_OMAP5 || COMPILE_TEST && COMMON_CLK
@@ -177,14 +170,6 @@ config SND_SOC_OMAP_OSK5912 
config SND_SOC_DAVINCI_EVM

	tristate "SoC Audio support for DaVinci EVMs"

	depends on ARCH_DAVINCI && I2C

	select SND_SOC_DAVINCI_ASP if MACH_DAVINCI_DM355_EVM

	select SND_SOC_DAVINCI_ASP if SND_SOC_DM365_AIC3X_CODEC

	select SND_SOC_DAVINCI_VCIF if SND_SOC_DM365_VOICE_CODEC

	select SND_SOC_DAVINCI_ASP if MACH_DAVINCI_EVM # DM6446

	select SND_SOC_DAVINCI_MCASP if MACH_DAVINCI_DM6467_EVM

	select SND_SOC_SPDIF if MACH_DAVINCI_DM6467_EVM

	select SND_SOC_DAVINCI_MCASP if MACH_DAVINCI_DA830_EVM

	select SND_SOC_DAVINCI_MCASP if MACH_DAVINCI_DA850_EVM

	select SND_SOC_TLV320AIC3X

	help

	  Say Y if you want to add support for SoC audio on the following TI
@@ -196,31 +181,6 @@ config SND_SOC_DAVINCI_EVM 
	  - DM830

	  - DM850



choice

	prompt "DM365 codec select"

	depends on SND_SOC_DAVINCI_EVM

	depends on MACH_DAVINCI_DM365_EVM



config SND_SOC_DM365_AIC3X_CODEC

	bool "Audio Codec - AIC3101"

	help

	  Say Y if you want to add support for AIC3101 audio codec



config SND_SOC_DM365_VOICE_CODEC

	bool "Voice Codec - CQ93VC"

	help

	  Say Y if you want to add support for SoC On-chip voice codec

endchoice



config SND_SOC_DM365_SELECT_VOICE_CODECS

	def_tristate y

	depends on SND_SOC_DM365_VOICE_CODEC && SND_SOC

	select MFD_DAVINCI_VOICECODEC

	select SND_SOC_CQ0093VC

	help

	  The is an internal symbol needed to ensure that the codec

	  and MFD driver can be built as loadable modules if necessary.



config SND_SOC_J721E_EVM

	tristate "SoC Audio support for j721e EVM"

	depends on ARCH_K3 || COMPILE_TEST && COMMON_CLK

sound/soc/ti/Makefile

+0 −2
Original line number Diff line number Diff line
@@ -12,14 +12,12 @@ obj-$(CONFIG_SND_SOC_TI_UDMA_PCM) += snd-soc-ti-udma.o 
# CPU DAI drivers

snd-soc-davinci-asp-objs := davinci-i2s.o

snd-soc-davinci-mcasp-objs := davinci-mcasp.o

snd-soc-davinci-vcif-objs := davinci-vcif.o

snd-soc-omap-dmic-objs := omap-dmic.o

snd-soc-omap-mcbsp-objs := omap-mcbsp.o omap-mcbsp-st.o

snd-soc-omap-mcpdm-objs := omap-mcpdm.o



obj-$(CONFIG_SND_SOC_DAVINCI_ASP) += snd-soc-davinci-asp.o

obj-$(CONFIG_SND_SOC_DAVINCI_MCASP) += snd-soc-davinci-mcasp.o

obj-$(CONFIG_SND_SOC_DAVINCI_VCIF) += snd-soc-davinci-vcif.o

obj-$(CONFIG_SND_SOC_OMAP_DMIC) += snd-soc-omap-dmic.o

obj-$(CONFIG_SND_SOC_OMAP_MCBSP) += snd-soc-omap-mcbsp.o

obj-$(CONFIG_SND_SOC_OMAP_MCPDM) += snd-soc-omap-mcpdm.o

sound/soc/ti/davinci-evm.c

+3 −264
Original line number Diff line number Diff line
@@ -138,214 +138,6 @@ static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) 
	return 0;

}



/* davinci-evm digital audio interface glue - connects codec <--> CPU */

SND_SOC_DAILINK_DEFS(dm6446,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcbsp")),

	DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-001b",

				      "tlv320aic3x-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcbsp")));



static struct snd_soc_dai_link dm6446_evm_dai = {

	.name = "TLV320AIC3X",

	.stream_name = "AIC3X",

	.init = evm_aic3x_init,

	.ops = &evm_ops,

	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |

		   SND_SOC_DAIFMT_IB_NF,

	SND_SOC_DAILINK_REG(dm6446),

};



SND_SOC_DAILINK_DEFS(dm355,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcbsp.1")),

	DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-001b",

				      "tlv320aic3x-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcbsp.1")));



static struct snd_soc_dai_link dm355_evm_dai = {

	.name = "TLV320AIC3X",

	.stream_name = "AIC3X",

	.init = evm_aic3x_init,

	.ops = &evm_ops,

	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |

		   SND_SOC_DAIFMT_IB_NF,

	SND_SOC_DAILINK_REG(dm355),

};



#ifdef CONFIG_SND_SOC_DM365_AIC3X_CODEC

SND_SOC_DAILINK_DEFS(dm365,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcbsp")),

	DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-0018",

				      "tlv320aic3x-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcbsp")));

#elif defined(CONFIG_SND_SOC_DM365_VOICE_CODEC)

SND_SOC_DAILINK_DEFS(dm365,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-vcif")),

	DAILINK_COMP_ARRAY(COMP_CODEC("cq93vc-codec", "cq93vc-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-vcif")));

#endif



static struct snd_soc_dai_link dm365_evm_dai = {

#ifdef CONFIG_SND_SOC_DM365_AIC3X_CODEC

	.name = "TLV320AIC3X",

	.stream_name = "AIC3X",

	.init = evm_aic3x_init,

	.ops = &evm_ops,

	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |

		   SND_SOC_DAIFMT_IB_NF,

	SND_SOC_DAILINK_REG(dm365),

#elif defined(CONFIG_SND_SOC_DM365_VOICE_CODEC)

	.name = "Voice Codec - CQ93VC",

	.stream_name = "CQ93",

	SND_SOC_DAILINK_REG(dm365),

#endif

};



SND_SOC_DAILINK_DEFS(dm6467_aic3x,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.0")),

	DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.0-001a",

				      "tlv320aic3x-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.0")));



SND_SOC_DAILINK_DEFS(dm6467_spdif,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.1")),

	DAILINK_COMP_ARRAY(COMP_CODEC("spdif_dit", "dit-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.1")));



static struct snd_soc_dai_link dm6467_evm_dai[] = {

	{

		.name = "TLV320AIC3X",

		.stream_name = "AIC3X",

		.init = evm_aic3x_init,

		.ops = &evm_ops,

		.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |

			   SND_SOC_DAIFMT_IB_NF,

		SND_SOC_DAILINK_REG(dm6467_aic3x),

	},

	{

		.name = "McASP",

		.stream_name = "spdif",

		.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |

			   SND_SOC_DAIFMT_IB_NF,

		SND_SOC_DAILINK_REG(dm6467_spdif),

	},

};



SND_SOC_DAILINK_DEFS(da830,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.1")),

	DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-0018",

				      "tlv320aic3x-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.1")));



static struct snd_soc_dai_link da830_evm_dai = {

	.name = "TLV320AIC3X",

	.stream_name = "AIC3X",

	.init = evm_aic3x_init,

	.ops = &evm_ops,

	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |

		   SND_SOC_DAIFMT_IB_NF,

	SND_SOC_DAILINK_REG(da830),

};



SND_SOC_DAILINK_DEFS(da850,

	DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.0")),

	DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-0018",

				      "tlv320aic3x-hifi")),

	DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.0")));



static struct snd_soc_dai_link da850_evm_dai = {

	.name = "TLV320AIC3X",

	.stream_name = "AIC3X",

	.init = evm_aic3x_init,

	.ops = &evm_ops,

	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |

		   SND_SOC_DAIFMT_IB_NF,

	SND_SOC_DAILINK_REG(da850),

};



/* davinci dm6446 evm audio machine driver */

/*

 * ASP0 in DM6446 EVM is clocked by U55, as configured by

 * board-dm644x-evm.c using GPIOs from U18.  There are six

 * options; here we "know" we use a 48 KHz sample rate.

 */

static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = {

	.sysclk = 12288000,

};



static struct snd_soc_card dm6446_snd_soc_card_evm = {

	.name = "DaVinci DM6446 EVM",

	.owner = THIS_MODULE,

	.dai_link = &dm6446_evm_dai,

	.num_links = 1,

	.drvdata = &dm6446_snd_soc_card_drvdata,

};



/* davinci dm355 evm audio machine driver */

/* ASP1 on DM355 EVM is clocked by an external oscillator */

static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = {

	.sysclk = 27000000,

};



static struct snd_soc_card dm355_snd_soc_card_evm = {

	.name = "DaVinci DM355 EVM",

	.owner = THIS_MODULE,

	.dai_link = &dm355_evm_dai,

	.num_links = 1,

	.drvdata = &dm355_snd_soc_card_drvdata,

};



/* davinci dm365 evm audio machine driver */

static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = {

	.sysclk = 27000000,

};



static struct snd_soc_card dm365_snd_soc_card_evm = {

	.name = "DaVinci DM365 EVM",

	.owner = THIS_MODULE,

	.dai_link = &dm365_evm_dai,

	.num_links = 1,

	.drvdata = &dm365_snd_soc_card_drvdata,

};



/* davinci dm6467 evm audio machine driver */

static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = {

	.sysclk = 27000000,

};



static struct snd_soc_card dm6467_snd_soc_card_evm = {

	.name = "DaVinci DM6467 EVM",

	.owner = THIS_MODULE,

	.dai_link = dm6467_evm_dai,

	.num_links = ARRAY_SIZE(dm6467_evm_dai),

	.drvdata = &dm6467_snd_soc_card_drvdata,

};



static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = {

	.sysclk = 24576000,

};



static struct snd_soc_card da830_snd_soc_card = {

	.name = "DA830/OMAP-L137 EVM",

	.owner = THIS_MODULE,

	.dai_link = &da830_evm_dai,

	.num_links = 1,

	.drvdata = &da830_snd_soc_card_drvdata,

};



static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = {

	.sysclk = 24576000,

};



static struct snd_soc_card da850_snd_soc_card = {

	.name = "DA850/OMAP-L138 EVM",

	.owner = THIS_MODULE,

	.dai_link = &da850_evm_dai,

	.num_links = 1,

	.drvdata = &da850_snd_soc_card_drvdata,

};



#if defined(CONFIG_OF)



/*

 * The struct is used as place holder. It will be completely

 * filled with data from dt node.
@@ -461,71 +253,18 @@ static struct platform_driver davinci_evm_driver = { 
	.driver		= {

		.name	= "davinci_evm",

		.pm	= &snd_soc_pm_ops,

		.of_match_table = of_match_ptr(davinci_evm_dt_ids),

		.of_match_table = davinci_evm_dt_ids,

	},

};

#endif



static struct platform_device *evm_snd_device;



static int __init evm_init(void)

{

	struct snd_soc_card *evm_snd_dev_data;

	int index;

	int ret;



	/*

	 * If dtb is there, the devices will be created dynamically.

	 * Only register platfrom driver structure.

	 */

#if defined(CONFIG_OF)

	if (of_have_populated_dt())

	return platform_driver_register(&davinci_evm_driver);

#endif



	if (machine_is_davinci_evm()) {

		evm_snd_dev_data = &dm6446_snd_soc_card_evm;

		index = 0;

	} else if (machine_is_davinci_dm355_evm()) {

		evm_snd_dev_data = &dm355_snd_soc_card_evm;

		index = 1;

	} else if (machine_is_davinci_dm365_evm()) {

		evm_snd_dev_data = &dm365_snd_soc_card_evm;

		index = 0;

	} else if (machine_is_davinci_dm6467_evm()) {

		evm_snd_dev_data = &dm6467_snd_soc_card_evm;

		index = 0;

	} else if (machine_is_davinci_da830_evm()) {

		evm_snd_dev_data = &da830_snd_soc_card;

		index = 1;

	} else if (machine_is_davinci_da850_evm()) {

		evm_snd_dev_data = &da850_snd_soc_card;

		index = 0;

	} else

		return -EINVAL;



	evm_snd_device = platform_device_alloc("soc-audio", index);

	if (!evm_snd_device)

		return -ENOMEM;



	platform_set_drvdata(evm_snd_device, evm_snd_dev_data);

	ret = platform_device_add(evm_snd_device);

	if (ret)

		platform_device_put(evm_snd_device);



	return ret;

}



static void __exit evm_exit(void)

{

#if defined(CONFIG_OF)

	if (of_have_populated_dt()) {

	platform_driver_unregister(&davinci_evm_driver);

		return;

	}

#endif



	platform_device_unregister(evm_snd_device);

}



module_init(evm_init);

sound/soc/ti/davinci-vcif.c

deleted100644 → 0
+0 −247
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * ALSA SoC Voice Codec Interface for TI DAVINCI processor

 *

 * Copyright (C) 2010 Texas Instruments.

 *

 * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>

 */



#include <linux/init.h>

#include <linux/module.h>

#include <linux/device.h>

#include <linux/delay.h>

#include <linux/slab.h>

#include <linux/io.h>

#include <linux/mfd/davinci_voicecodec.h>



#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/pcm_params.h>

#include <sound/initval.h>

#include <sound/soc.h>

#include <sound/dmaengine_pcm.h>



#include "edma-pcm.h"

#include "davinci-i2s.h"



#define MOD_REG_BIT(val, mask, set) do { \

	if (set) { \

		val |= mask; \

	} else { \

		val &= ~mask; \

	} \

} while (0)



struct davinci_vcif_dev {

	struct davinci_vc *davinci_vc;

	struct snd_dmaengine_dai_dma_data dma_data[2];

	int dma_request[2];

};



static void davinci_vcif_start(struct snd_pcm_substream *substream)

{

	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);

	struct davinci_vcif_dev *davinci_vcif_dev =

			snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));

	struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;

	u32 w;



	/* Start the sample generator and enable transmitter/receiver */

	w = readl(davinci_vc->base + DAVINCI_VC_CTRL);



	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)

		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 0);

	else

		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 0);



	writel(w, davinci_vc->base + DAVINCI_VC_CTRL);

}



static void davinci_vcif_stop(struct snd_pcm_substream *substream)

{

	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);

	struct davinci_vcif_dev *davinci_vcif_dev =

			snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));

	struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;

	u32 w;



	/* Reset transmitter/receiver and sample rate/frame sync generators */

	w = readl(davinci_vc->base + DAVINCI_VC_CTRL);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)

		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 1);

	else

		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 1);



	writel(w, davinci_vc->base + DAVINCI_VC_CTRL);

}



static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,

				  struct snd_pcm_hw_params *params,

				  struct snd_soc_dai *dai)

{

	struct davinci_vcif_dev *davinci_vcif_dev = snd_soc_dai_get_drvdata(dai);

	struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;

	u32 w;



	/* Restart the codec before setup */

	davinci_vcif_stop(substream);

	davinci_vcif_start(substream);



	/* General line settings */

	writel(DAVINCI_VC_CTRL_MASK, davinci_vc->base + DAVINCI_VC_CTRL);



	writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTCLR);



	writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTEN);



	w = readl(davinci_vc->base + DAVINCI_VC_CTRL);



	/* Determine xfer data type */

	switch (params_format(params)) {

	case SNDRV_PCM_FORMAT_U8:

		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |

			    DAVINCI_VC_CTRL_RD_UNSIGNED |

			    DAVINCI_VC_CTRL_WD_BITS_8 |

			    DAVINCI_VC_CTRL_WD_UNSIGNED, 1);

		break;

	case SNDRV_PCM_FORMAT_S8:

		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |

			    DAVINCI_VC_CTRL_WD_BITS_8, 1);



		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_UNSIGNED |

			    DAVINCI_VC_CTRL_WD_UNSIGNED, 0);

		break;

	case SNDRV_PCM_FORMAT_S16_LE:

		MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |

			    DAVINCI_VC_CTRL_RD_UNSIGNED |

			    DAVINCI_VC_CTRL_WD_BITS_8 |

			    DAVINCI_VC_CTRL_WD_UNSIGNED, 0);

		break;

	default:

		printk(KERN_WARNING "davinci-vcif: unsupported PCM format");

		return -EINVAL;

	}



	writel(w, davinci_vc->base + DAVINCI_VC_CTRL);



	return 0;

}



static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd,

				struct snd_soc_dai *dai)

{

	int ret = 0;



	switch (cmd) {

	case SNDRV_PCM_TRIGGER_START:

	case SNDRV_PCM_TRIGGER_RESUME:

	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:

		davinci_vcif_start(substream);

		break;

	case SNDRV_PCM_TRIGGER_STOP:

	case SNDRV_PCM_TRIGGER_SUSPEND:

	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:

		davinci_vcif_stop(substream);

		break;

	default:

		ret = -EINVAL;

	}



	return ret;

}



#define DAVINCI_VCIF_RATES	SNDRV_PCM_RATE_8000_48000



static const struct snd_soc_dai_ops davinci_vcif_dai_ops = {

	.trigger	= davinci_vcif_trigger,

	.hw_params	= davinci_vcif_hw_params,

};



static int davinci_vcif_dai_probe(struct snd_soc_dai *dai)

{

	struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai);



	dai->playback_dma_data = &dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK];

	dai->capture_dma_data = &dev->dma_data[SNDRV_PCM_STREAM_CAPTURE];



	return 0;

}



static struct snd_soc_dai_driver davinci_vcif_dai = {

	.probe = davinci_vcif_dai_probe,

	.playback = {

		.channels_min = 1,

		.channels_max = 2,

		.rates = DAVINCI_VCIF_RATES,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,},

	.capture = {

		.channels_min = 1,

		.channels_max = 2,

		.rates = DAVINCI_VCIF_RATES,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,},

	.ops = &davinci_vcif_dai_ops,



};



static const struct snd_soc_component_driver davinci_vcif_component = {

	.name			= "davinci-vcif",

	.legacy_dai_naming	= 1,

};



static int davinci_vcif_probe(struct platform_device *pdev)

{

	struct davinci_vc *davinci_vc = pdev->dev.platform_data;

	struct davinci_vcif_dev *davinci_vcif_dev;

	int ret;



	davinci_vcif_dev = devm_kzalloc(&pdev->dev,

					sizeof(struct davinci_vcif_dev),

					GFP_KERNEL);

	if (!davinci_vcif_dev)

		return -ENOMEM;



	/* DMA tx params */

	davinci_vcif_dev->davinci_vc = davinci_vc;

	davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data =

				&davinci_vc->davinci_vcif.dma_tx_channel;

	davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr =

				davinci_vc->davinci_vcif.dma_tx_addr;



	/* DMA rx params */

	davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data =

				&davinci_vc->davinci_vcif.dma_rx_channel;

	davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr =

				davinci_vc->davinci_vcif.dma_rx_addr;



	dev_set_drvdata(&pdev->dev, davinci_vcif_dev);



	ret = devm_snd_soc_register_component(&pdev->dev,

					      &davinci_vcif_component,

					      &davinci_vcif_dai, 1);

	if (ret != 0) {

		dev_err(&pdev->dev, "could not register dai\n");

		return ret;

	}



	ret = edma_pcm_platform_register(&pdev->dev);

	if (ret) {

		dev_err(&pdev->dev, "register PCM failed: %d\n", ret);

		return ret;

	}



	return 0;

}



static struct platform_driver davinci_vcif_driver = {

	.probe		= davinci_vcif_probe,

	.driver		= {

		.name	= "davinci-vcif",

	},

};



module_platform_driver(davinci_vcif_driver);



MODULE_AUTHOR("Miguel Aguilar");

MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC Voice Codec Interface");

MODULE_LICENSE("GPL");