537 lines
14 KiB
C
537 lines
14 KiB
C
/*
|
|
* Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
|
|
*
|
|
* Copyright (C) 2015, Intel Corporation. All rights reserved.
|
|
*
|
|
* Modified from:
|
|
* Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
|
|
*
|
|
* 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/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/jack.h>
|
|
#include <sound/pcm_params.h>
|
|
#include "../../codecs/nau8825.h"
|
|
|
|
#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
|
|
#define SKL_SSM_CODEC_DAI "ssm4567-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 const struct snd_kcontrol_new skylake_controls[] = {
|
|
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
|
|
SOC_DAPM_PIN_SWITCH("Headset Mic"),
|
|
SOC_DAPM_PIN_SWITCH("Left Speaker"),
|
|
SOC_DAPM_PIN_SWITCH("Right Speaker"),
|
|
};
|
|
|
|
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\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_soc_dapm_widget skylake_widgets[] = {
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
|
SND_SOC_DAPM_SPK("Left Speaker", NULL),
|
|
SND_SOC_DAPM_SPK("Right Speaker", 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 */
|
|
{"Left Speaker", NULL, "Left OUT"},
|
|
{"Right Speaker", NULL, "Right OUT"},
|
|
|
|
/* 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 */
|
|
{ "Left Playback", NULL, "ssp0 Tx"},
|
|
{ "Right 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 struct snd_soc_codec_conf ssm4567_codec_conf[] = {
|
|
{
|
|
.dev_name = "i2c-INT343B:00",
|
|
.name_prefix = "Left",
|
|
},
|
|
{
|
|
.dev_name = "i2c-INT343B:01",
|
|
.name_prefix = "Right",
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
|
|
{ /* Left */
|
|
.name = "i2c-INT343B:00",
|
|
.dai_name = SKL_SSM_CODEC_DAI,
|
|
},
|
|
{ /* Right */
|
|
.name = "i2c-INT343B:01",
|
|
.dai_name = SKL_SSM_CODEC_DAI,
|
|
},
|
|
};
|
|
|
|
static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
int ret;
|
|
|
|
/* Slot 1 for left */
|
|
ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Slot 2 for right */
|
|
ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
int ret;
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
|
|
/*
|
|
* 4 buttons here map to the google Reference headset
|
|
* The use of these buttons can be decided by the user space.
|
|
*/
|
|
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_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_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 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 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,
|
|
.codecs = ssm4567_codec_components,
|
|
.num_codecs = ARRAY_SIZE(ssm4567_codec_components),
|
|
.dai_fmt = SND_SOC_DAIFMT_DSP_A |
|
|
SND_SOC_DAIFMT_IB_NF |
|
|
SND_SOC_DAIFMT_CBS_CFS,
|
|
.init = skylake_ssm4567_codec_init,
|
|
.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",
|
|
.ignore_suspend = 1,
|
|
.be_hw_params_fixup = skylake_dmic_fixup,
|
|
.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 = "sklnau8825adi",
|
|
.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),
|
|
.codec_conf = ssm4567_codec_conf,
|
|
.num_configs = ARRAY_SIZE(ssm4567_codec_conf),
|
|
.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_ssm4567_i2s",
|
|
.pm = &snd_soc_pm_ops,
|
|
},
|
|
};
|
|
|
|
module_platform_driver(skylake_audio)
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
|
|
MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
|
|
MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
|
|
MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
|
|
MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
|
|
MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");
|