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ASoC: Intel: Skylake: Add Nuvoton Maxim machine driver

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This adds Skylake I2S machine driver which uses NAU88L25 as anlog codec and
MAX98357A as speakers

Signed-off-by: Rohit Ainapure <rohit.m.ainapure@intel.com>
Signed-off-by: Fang, Yang A <yang.a.fang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rohit Ainapure 2015-12-11 11:29:08 -08:00 committed by Mark Brown
parent 69b7f9c458
commit 8eaf2b31dd
3 changed files with 501 additions and 0 deletions
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14
sound/soc/intel/Kconfig
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@ -169,3 +169,17 @@ config SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH
create an alsa sound card for NAU88L25 + SSM4567.
Say Y if you have such a device
If unsure select "N".
config SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH
tristate "ASoC Audio driver for SKL with NAU88L25 and MAX98357A in I2S Mode"
depends on X86_INTEL_LPSS && I2C
select SND_SOC_INTEL_SST
select SND_SOC_INTEL_SKYLAKE
select SND_SOC_NAU8825
select SND_SOC_MAX98357A
select SND_SOC_DMIC
help
This adds support for ASoC Onboard Codec I2S machine driver. This will
create an alsa sound card for NAU88L25 + MAX98357A.
Say Y if you have such a device
If unsure select "N".

2
sound/soc/intel/boards/Makefile
View File

@ -7,6 +7,7 @@ snd-soc-sst-cht-bsw-rt5672-objs := cht_bsw_rt5672.o
snd-soc-sst-cht-bsw-rt5645-objs := cht_bsw_rt5645.o
snd-soc-sst-cht-bsw-max98090_ti-objs := cht_bsw_max98090_ti.o
snd-soc-skl_rt286-objs := skl_rt286.o
snd-skl_nau88l25_max98357a-objs := skl_nau88l25_max98357a.o
snd-soc-skl_nau88l25_ssm4567-objs := skl_nau88l25_ssm4567.o
obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o
@ -18,4 +19,5 @@ obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5672_MACH) += snd-soc-sst-cht-bsw-rt5672.o
obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5645_MACH) += snd-soc-sst-cht-bsw-rt5645.o
obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH) += snd-soc-sst-cht-bsw-max98090_ti.o
obj-$(CONFIG_SND_SOC_INTEL_SKL_RT286_MACH) += snd-soc-skl_rt286.o
obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH) += snd-skl_nau88l25_max98357a.o
obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH) += snd-soc-skl_nau88l25_ssm4567.o

485
sound/soc/intel/boards/skl_nau88l25_max98357a.c Normal file
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@ -0,0 +1,485 @@
/*
* Intel Skylake I2S Machine Driver with MAXIM98357A
* and NAU88L25
*
* Copyright (C) 2015, Intel Corporation. All rights reserved.
*
* 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/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "../../codecs/nau8825.h"
#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
#define SKL_MAXIM_CODEC_DAI "HiFi"
static struct snd_soc_jack skylake_headset;
static struct snd_soc_card skylake_audio_card;
static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
list_for_each_entry(rtd, &card->rtd_list, list) {
if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
strlen(SKL_NUVOTON_CODEC_DAI)))
return rtd->codec_dai;
}
return NULL;
}
static int platform_clock_control(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct snd_soc_dai *codec_dai;
int ret;
codec_dai = skl_get_codec_dai(card);
if (!codec_dai) {
dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
return -EIO;
}
if (SND_SOC_DAPM_EVENT_ON(event)) {
ret = snd_soc_dai_set_sysclk(codec_dai,
NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(card->dev, "set sysclk err = %d\n", ret);
return -EIO;
}
} else {
ret = snd_soc_dai_set_sysclk(codec_dai,
NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(card->dev, "set sysclk err = %d\n", ret);
return -EIO;
}
}
return ret;
}
static const struct snd_kcontrol_new skylake_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Spk"),
};
static const struct snd_soc_dapm_widget skylake_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_SPK("Spk", NULL),
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
SND_SOC_DAPM_SINK("WoV Sink"),
SND_SOC_DAPM_SPK("DP", NULL),
SND_SOC_DAPM_SPK("HDMI", NULL),
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
platform_clock_control, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route skylake_map[] = {
/* HP jack connectors - unknown if we have jack detection */
{ "Headphone Jack", NULL, "HPOL" },
{ "Headphone Jack", NULL, "HPOR" },
/* speaker */
{ "Spk", NULL, "Speaker" },
/* other jacks */
{ "MIC", NULL, "Headset Mic" },
{ "DMic", NULL, "SoC DMIC" },
{"WoV Sink", NULL, "hwd_in sink"},
{"HDMI", NULL, "hif5 Output"},
{"DP", NULL, "hif6 Output"},
/* CODEC BE connections */
{ "HiFi Playback", NULL, "ssp0 Tx" },
{ "ssp0 Tx", NULL, "codec0_out" },
{ "Playback", NULL, "ssp1 Tx" },
{ "ssp1 Tx", NULL, "codec1_out" },
{ "codec0_in", NULL, "ssp1 Rx" },
{ "ssp1 Rx", NULL, "Capture" },
/* DMIC */
{ "dmic01_hifi", NULL, "DMIC01 Rx" },
{ "DMIC01 Rx", NULL, "DMIC AIF" },
{ "hifi1", NULL, "iDisp Tx"},
{ "iDisp Tx", NULL, "iDisp_out"},
{ "Headphone Jack", NULL, "Platform Clock" },
{ "Headset Mic", NULL, "Platform Clock" },
};
static int skylake_ssp_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 SSP0 to 24 bit */
snd_mask_none(fmt);
snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
{
int ret;
struct snd_soc_codec *codec = rtd->codec;
/*
* Headset buttons map to the google Reference headset.
* These can be configured by userspace.
*/
ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
NULL, 0);
if (ret) {
dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
return ret;
}
nau8825_enable_jack_detect(codec, &skylake_headset);
snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "WoV Sink");
return ret;
}
static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dapm_context *dapm;
struct snd_soc_component *component = rtd->cpu_dai->component;
dapm = snd_soc_component_get_dapm(component);
snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
return 0;
}
static unsigned int rates[] = {
48000,
};
static struct snd_pcm_hw_constraint_list constraints_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,
};
static unsigned int channels[] = {
2,
};
static struct snd_pcm_hw_constraint_list constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
};
static int skl_fe_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
/*
* On this platform for PCM device we support,
* 48Khz
* stereo
* 16 bit audio
*/
runtime->hw.channels_max = 2;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels);
runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
snd_pcm_hw_constraint_list(runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
return 0;
}
static const struct snd_soc_ops skylake_nau8825_fe_ops = {
.startup = skl_fe_startup,
};
static int skylake_nau8825_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,
NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
if (ret < 0)
dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
return ret;
}
static struct snd_soc_ops skylake_nau8825_ops = {
.hw_params = skylake_nau8825_hw_params,
};
static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
if (params_channels(params) == 2)
channels->min = channels->max = 2;
else
channels->min = channels->max = 4;
return 0;
}
static unsigned int channels_dmic[] = {
2, 4,
};
static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
.count = ARRAY_SIZE(channels_dmic),
.list = channels_dmic,
.mask = 0,
};
static int skylake_dmic_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
runtime->hw.channels_max = 4;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_dmic_channels);
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}
static struct snd_soc_ops skylake_dmic_ops = {
.startup = skylake_dmic_startup,
};
static unsigned int rates_16000[] = {
16000,
};
static struct snd_pcm_hw_constraint_list constraints_16000 = {
.count = ARRAY_SIZE(rates_16000),
.list = rates_16000,
};
static int skylake_refcap_startup(struct snd_pcm_substream *substream)
{
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_16000);
}
static struct snd_soc_ops skylaye_refcap_ops = {
.startup = skylake_refcap_startup,
};
/* skylake digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link skylake_dais[] = {
/* Front End DAI links */
{
.name = "Skl Audio Port",
.stream_name = "Audio",
.cpu_dai_name = "System Pin",
.platform_name = "0000:00:1f.3",
.dynamic = 1,
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.nonatomic = 1,
.init = skylake_nau8825_fe_init,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
.ops = &skylake_nau8825_fe_ops,
},
{
.name = "Skl Audio Capture Port",
.stream_name = "Audio Record",
.cpu_dai_name = "System Pin",
.platform_name = "0000:00:1f.3",
.dynamic = 1,
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.nonatomic = 1,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_capture = 1,
.ops = &skylake_nau8825_fe_ops,
},
{
.name = "Skl Audio Reference cap",
.stream_name = "Wake on Voice",
.cpu_dai_name = "Reference Pin",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.platform_name = "0000:00:1f.3",
.init = NULL,
.dpcm_capture = 1,
.ignore_suspend = 1,
.nonatomic = 1,
.dynamic = 1,
.ops = &skylaye_refcap_ops,
},
{
.name = "Skl Audio DMIC cap",
.stream_name = "dmiccap",
.cpu_dai_name = "DMIC Pin",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.platform_name = "0000:00:1f.3",
.init = NULL,
.dpcm_capture = 1,
.nonatomic = 1,
.dynamic = 1,
.ops = &skylake_dmic_ops,
},
{
.name = "Skl HDMI Port",
.stream_name = "Hdmi",
.cpu_dai_name = "HDMI Pin",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.platform_name = "0000:00:1f.3",
.dpcm_playback = 1,
.init = NULL,
.nonatomic = 1,
.dynamic = 1,
},
/* Back End DAI links */
{
/* SSP0 - Codec */
.name = "SSP0-Codec",
.be_id = 0,
.cpu_dai_name = "SSP0 Pin",
.platform_name = "0000:00:1f.3",
.no_pcm = 1,
.codec_name = "MX98357A:00",
.codec_dai_name = SKL_MAXIM_CODEC_DAI,
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = skylake_ssp_fixup,
.dpcm_playback = 1,
},
{
/* SSP1 - Codec */
.name = "SSP1-Codec",
.be_id = 0,
.cpu_dai_name = "SSP1 Pin",
.platform_name = "0000:00:1f.3",
.no_pcm = 1,
.codec_name = "i2c-10508825:00",
.codec_dai_name = SKL_NUVOTON_CODEC_DAI,
.init = skylake_nau8825_codec_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = skylake_ssp_fixup,
.ops = &skylake_nau8825_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 = "0000:00:1f.3",
.be_hw_params_fixup = skylake_dmic_fixup,
.ignore_suspend = 1,
.dpcm_capture = 1,
.no_pcm = 1,
},
{
.name = "iDisp",
.be_id = 3,
.cpu_dai_name = "iDisp Pin",
.codec_name = "ehdaudio0D2",
.codec_dai_name = "intel-hdmi-hifi1",
.platform_name = "0000:00:1f.3",
.dpcm_playback = 1,
.no_pcm = 1,
},
};
/* skylake audio machine driver for SPT + NAU88L25 */
static struct snd_soc_card skylake_audio_card = {
.name = "sklnau8825max",
.owner = THIS_MODULE,
.dai_link = skylake_dais,
.num_links = ARRAY_SIZE(skylake_dais),
.controls = skylake_controls,
.num_controls = ARRAY_SIZE(skylake_controls),
.dapm_widgets = skylake_widgets,
.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
.dapm_routes = skylake_map,
.num_dapm_routes = ARRAY_SIZE(skylake_map),
.fully_routed = true,
};
static int skylake_audio_probe(struct platform_device *pdev)
{
skylake_audio_card.dev = &pdev->dev;
return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
}
static struct platform_driver skylake_audio = {
.probe = skylake_audio_probe,
.driver = {
.name = "skl_nau88l25_max98357a_i2s",
.pm = &snd_soc_pm_ops,
},
};
module_platform_driver(skylake_audio)
/* Module information */
MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:skl_nau88l25_max98357a_i2s");