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Commit 76016322 authored by Ramesh Babu's avatar Ramesh Babu Committed by Mark Brown
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ASoC: Intel: Add Broxton-P machine driver 



This patch adds the Broxton-P machine driver for Intel Broxton-P
reference boards. This machine uses the RT298 codec

Signed-off-by: default avatarRamesh Babu <ramesh.babu@intel.com>
Signed-off-by: default avatarSenthilnathan Veppur <senthilnathanx.veppur@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent fcc494af

sound/soc/intel/Kconfig

+15 −0
Original line number Diff line number Diff line
@@ -58,6 +58,21 @@ config SND_SOC_INTEL_HASWELL_MACH 
	  Say Y if you have such a device

	  If unsure select "N".



config SND_SOC_INTEL_BXT_RT298_MACH

	tristate "ASoC Audio driver for Broxton with RT298 I2S mode"

	depends on X86 && ACPI && I2C

	select SND_SOC_INTEL_SST

	select SND_SOC_INTEL_SKYLAKE

	select SND_SOC_RT298

	select SND_SOC_DMIC

	select SND_SOC_HDAC_HDMI

	select SND_HDA_DSP_LOADER

	help

	   This adds support for ASoC machine driver for Broxton platforms

	   with RT286 I2S audio codec.

	   Say Y if you have such a device

	   If unsure select "N".



config SND_SOC_INTEL_BYT_RT5640_MACH

	tristate "ASoC Audio driver for Intel Baytrail with RT5640 codec"

	depends on X86_INTEL_LPSS && I2C

sound/soc/intel/boards/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -2,6 +2,7 @@ snd-soc-sst-haswell-objs := haswell.o 
snd-soc-sst-byt-rt5640-mach-objs := byt-rt5640.o

snd-soc-sst-byt-max98090-mach-objs := byt-max98090.o

snd-soc-sst-broadwell-objs := broadwell.o

snd-soc-sst-bxt-rt298-objs := bxt_rt298.o

snd-soc-sst-bytcr-rt5640-objs := bytcr_rt5640.o

snd-soc-sst-bytcr-rt5651-objs := bytcr_rt5651.o

snd-soc-sst-cht-bsw-rt5672-objs := cht_bsw_rt5672.o
@@ -14,6 +15,7 @@ snd-soc-skl_nau88l25_ssm4567-objs := skl_nau88l25_ssm4567.o 
obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o

obj-$(CONFIG_SND_SOC_INTEL_BYT_RT5640_MACH) += snd-soc-sst-byt-rt5640-mach.o

obj-$(CONFIG_SND_SOC_INTEL_BYT_MAX98090_MACH) += snd-soc-sst-byt-max98090-mach.o

obj-$(CONFIG_SND_SOC_INTEL_BXT_RT298_MACH) += snd-soc-sst-bxt-rt298.o

obj-$(CONFIG_SND_SOC_INTEL_BROADWELL_MACH) += snd-soc-sst-broadwell.o

obj-$(CONFIG_SND_SOC_INTEL_BYTCR_RT5640_MACH) += snd-soc-sst-bytcr-rt5640.o

obj-$(CONFIG_SND_SOC_INTEL_BYTCR_RT5651_MACH) += snd-soc-sst-bytcr-rt5651.o

sound/soc/intel/boards/bxt_rt298.c

0 → 100644
+353 −0
Original line number Diff line number Diff line 
/*

 * Intel Broxton-P I2S Machine Driver

 *

 * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.

 *

 * Modified from:

 *   Intel Skylake I2S Machine driver

 *

 * 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.

 *

 * 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.

 */



#include <linux/module.h>

#include <linux/platform_device.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <sound/jack.h>

#include <sound/pcm_params.h>

#include "../../codecs/hdac_hdmi.h"

#include "../../codecs/rt298.h"



static struct snd_soc_jack broxton_headset;

/* Headset jack detection DAPM pins */



enum {

	BXT_DPCM_AUDIO_PB = 0,

	BXT_DPCM_AUDIO_CP,

	BXT_DPCM_AUDIO_REF_CP,

	BXT_DPCM_AUDIO_HDMI1_PB,

	BXT_DPCM_AUDIO_HDMI2_PB,

	BXT_DPCM_AUDIO_HDMI3_PB,

};



static struct snd_soc_jack_pin broxton_headset_pins[] = {

	{

		.pin = "Mic Jack",

		.mask = SND_JACK_MICROPHONE,

	},

	{

		.pin = "Headphone Jack",

		.mask = SND_JACK_HEADPHONE,

	},

};



static const struct snd_kcontrol_new broxton_controls[] = {

	SOC_DAPM_PIN_SWITCH("Speaker"),

	SOC_DAPM_PIN_SWITCH("Headphone Jack"),

	SOC_DAPM_PIN_SWITCH("Mic Jack"),

};



static const struct snd_soc_dapm_widget broxton_widgets[] = {

	SND_SOC_DAPM_HP("Headphone Jack", NULL),

	SND_SOC_DAPM_SPK("Speaker", NULL),

	SND_SOC_DAPM_MIC("Mic Jack", NULL),

	SND_SOC_DAPM_MIC("DMIC2", NULL),

	SND_SOC_DAPM_MIC("SoC DMIC", NULL),

	SND_SOC_DAPM_SPK("HDMI1", NULL),

	SND_SOC_DAPM_SPK("HDMI2", NULL),

	SND_SOC_DAPM_SPK("HDMI3", NULL),

};



static const struct snd_soc_dapm_route broxton_rt298_map[] = {

	/* speaker */

	{"Speaker", NULL, "SPOR"},

	{"Speaker", NULL, "SPOL"},



	/* HP jack connectors - unknown if we have jack detect */

	{"Headphone Jack", NULL, "HPO Pin"},



	/* other jacks */

	{"MIC1", NULL, "Mic Jack"},



	/* digital mics */

	{"DMIC1 Pin", NULL, "DMIC2"},

	{"DMic", NULL, "SoC DMIC"},



	{"HDMI1", NULL, "hif5 Output"},

	{"HDMI2", NULL, "hif6 Output"},

	{"HDMI3", NULL, "hif7 Output"},



	/* CODEC BE connections */

	{ "AIF1 Playback", NULL, "ssp5 Tx"},

	{ "ssp5 Tx", NULL, "codec0_out"},



	{ "codec0_in", NULL, "ssp5 Rx" },

	{ "ssp5 Rx", NULL, "AIF1 Capture" },



	{ "dmic01_hifi", NULL, "DMIC01 Rx" },

	{ "DMIC01 Rx", NULL, "Capture" },



	{ "hifi3", NULL, "iDisp3 Tx"},

	{ "iDisp3 Tx", NULL, "iDisp3_out"},

	{ "hifi2", NULL, "iDisp2 Tx"},

	{ "iDisp2 Tx", NULL, "iDisp2_out"},

	{ "hifi1", NULL, "iDisp1 Tx"},

	{ "iDisp1 Tx", NULL, "iDisp1_out"},



};



static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_codec *codec = rtd->codec;

	int ret = 0;



	ret = snd_soc_card_jack_new(rtd->card, "Headset",

		SND_JACK_HEADSET | SND_JACK_BTN_0,

		&broxton_headset,

		broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));



	if (ret)

		return ret;



	rt298_mic_detect(codec, &broxton_headset);

	return 0;

}



static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_dai *dai = rtd->codec_dai;



	return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);

}



static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,

			struct snd_pcm_hw_params *params)

{

	struct snd_interval *rate = hw_param_interval(params,

					SNDRV_PCM_HW_PARAM_RATE);

	struct snd_interval *channels = hw_param_interval(params,

					SNDRV_PCM_HW_PARAM_CHANNELS);

	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);



	/* The ADSP will covert the FE rate to 48k, stereo */

	rate->min = rate->max = 48000;

	channels->min = channels->max = 2;



	/* set SSP5 to 24 bit */

	snd_mask_none(fmt);

	snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);



	return 0;

}



static int broxton_rt298_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;

	int ret;



	ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,

					19200000, SND_SOC_CLOCK_IN);

	if (ret < 0) {

		dev_err(rtd->dev, "can't set codec sysclk configuration\n");

		return ret;

	}



	return ret;

}



static struct snd_soc_ops broxton_rt298_ops = {

	.hw_params = broxton_rt298_hw_params,

};



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

static struct snd_soc_dai_link broxton_rt298_dais[] = {

	/* Front End DAI links */

	[BXT_DPCM_AUDIO_PB]

	{

		.name = "Bxt Audio Port",

		.stream_name = "Audio",

		.cpu_dai_name = "System Pin",

		.platform_name = "0000:00:0e.0",

		.nonatomic = 1,

		.dynamic = 1,

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},

		.dpcm_playback = 1,

	},

	[BXT_DPCM_AUDIO_CP]

	{

		.name = "Bxt Audio Capture Port",

		.stream_name = "Audio Record",

		.cpu_dai_name = "System Pin",

		.platform_name = "0000:00:0e.0",

		.nonatomic = 1,

		.dynamic = 1,

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},

		.dpcm_capture = 1,

	},

	[BXT_DPCM_AUDIO_REF_CP]

	{

		.name = "Bxt Audio Reference cap",

		.stream_name = "refcap",

		.cpu_dai_name = "Reference Pin",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.platform_name = "0000:00:0e.0",

		.init = NULL,

		.dpcm_capture = 1,

		.nonatomic = 1,

		.dynamic = 1,

	},

	[BXT_DPCM_AUDIO_HDMI1_PB]

	{

		.name = "Bxt HDMI Port1",

		.stream_name = "Hdmi1",

		.cpu_dai_name = "HDMI1 Pin",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.platform_name = "0000:00:0e.0",

		.dpcm_playback = 1,

		.init = NULL,

		.nonatomic = 1,

		.dynamic = 1,

	},

	[BXT_DPCM_AUDIO_HDMI2_PB]

	{

		.name = "Bxt HDMI Port2",

		.stream_name = "Hdmi2",

		.cpu_dai_name = "HDMI2 Pin",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.platform_name = "0000:00:0e.0",

		.dpcm_playback = 1,

		.init = NULL,

		.nonatomic = 1,

		.dynamic = 1,

	},

	[BXT_DPCM_AUDIO_HDMI3_PB]

	{

		.name = "Bxt HDMI Port3",

		.stream_name = "Hdmi3",

		.cpu_dai_name = "HDMI3 Pin",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.platform_name = "0000:00:0e.0",

		.dpcm_playback = 1,

		.init = NULL,

		.nonatomic = 1,

		.dynamic = 1,

	},

	/* Back End DAI links */

	{

		/* SSP5 - Codec */

		.name = "SSP5-Codec",

		.be_id = 0,

		.cpu_dai_name = "SSP5 Pin",

		.platform_name = "0000:00:0e.0",

		.no_pcm = 1,

		.codec_name = "i2c-INT343A:00",

		.codec_dai_name = "rt298-aif1",

		.init = broxton_rt298_codec_init,

		.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |

						SND_SOC_DAIFMT_CBS_CFS,

		.ignore_pmdown_time = 1,

		.be_hw_params_fixup = broxton_ssp5_fixup,

		.ops = &broxton_rt298_ops,

		.dpcm_playback = 1,

		.dpcm_capture = 1,

	},

	{

		.name = "dmic01",

		.be_id = 1,

		.cpu_dai_name = "DMIC01 Pin",

		.codec_name = "dmic-codec",

		.codec_dai_name = "dmic-hifi",

		.platform_name = "0000:00:0e.0",

		.ignore_suspend = 1,

		.dpcm_capture = 1,

		.no_pcm = 1,

	},

	{

		.name = "iDisp1",

		.be_id = 3,

		.cpu_dai_name = "iDisp1 Pin",

		.codec_name = "ehdaudio0D2",

		.codec_dai_name = "intel-hdmi-hifi1",

		.platform_name = "0000:00:0e.0",

		.init = broxton_hdmi_init,

		.dpcm_playback = 1,

		.no_pcm = 1,

	},

	{

		.name = "iDisp2",

		.be_id = 4,

		.cpu_dai_name = "iDisp2 Pin",

		.codec_name = "ehdaudio0D2",

		.codec_dai_name = "intel-hdmi-hifi2",

		.platform_name = "0000:00:0e.0",

		.init = broxton_hdmi_init,

		.dpcm_playback = 1,

		.no_pcm = 1,

	},

	{

		.name = "iDisp3",

		.be_id = 5,

		.cpu_dai_name = "iDisp3 Pin",

		.codec_name = "ehdaudio0D2",

		.codec_dai_name = "intel-hdmi-hifi3",

		.platform_name = "0000:00:0e.0",

		.init = broxton_hdmi_init,

		.dpcm_playback = 1,

		.no_pcm = 1,

	},

};



/* broxton audio machine driver for SPT + RT298S */

static struct snd_soc_card broxton_rt298 = {

	.name = "broxton-rt298",

	.owner = THIS_MODULE,

	.dai_link = broxton_rt298_dais,

	.num_links = ARRAY_SIZE(broxton_rt298_dais),

	.controls = broxton_controls,

	.num_controls = ARRAY_SIZE(broxton_controls),

	.dapm_widgets = broxton_widgets,

	.num_dapm_widgets = ARRAY_SIZE(broxton_widgets),

	.dapm_routes = broxton_rt298_map,

	.num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),

	.fully_routed = true,

};



static int broxton_audio_probe(struct platform_device *pdev)

{

	broxton_rt298.dev = &pdev->dev;



	return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);

}



static struct platform_driver broxton_audio = {

	.probe = broxton_audio_probe,

	.driver = {

		.name = "bxt_alc298s_i2s",

	},

};

module_platform_driver(broxton_audio)



/* Module information */

MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");

MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");

MODULE_DESCRIPTION("Intel SST Audio for Broxton");

MODULE_LICENSE("GPL v2");

MODULE_ALIAS("platform:bxt_alc298s_i2s");