/*
* Intel Broxton-P I2S Machine Driver
*
* Copyright (C) 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/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "../../codecs/hdac_hdmi.h"
#include "../../codecs/da7219.h"
#include "../../codecs/da7219-aad.h"
#define BXT_DIALOG_CODEC_DAI "da7219-hifi"
#define BXT_MAXIM_CODEC_DAI "HiFi"
#define DUAL_CHANNEL 2
#define QUAD_CHANNEL 4
static struct snd_soc_jack broxton_headset;
static struct snd_soc_jack broxton_hdmi[3];
struct bxt_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct bxt_card_private {
struct list_head hdmi_pcm_list;
};
enum {
BXT_DPCM_AUDIO_PB = 0,
BXT_DPCM_AUDIO_CP,
BXT_DPCM_AUDIO_REF_CP,
BXT_DPCM_AUDIO_DMIC_CP,
BXT_DPCM_AUDIO_HDMI1_PB,
BXT_DPCM_AUDIO_HDMI2_PB,
BXT_DPCM_AUDIO_HDMI3_PB,
};
static int platform_clock_control(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
int ret = 0;
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct snd_soc_dai *codec_dai;
codec_dai = snd_soc_card_get_codec_dai(card, BXT_DIALOG_CODEC_DAI);
if (!codec_dai) {
dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
return -EIO;
}
if (SND_SOC_DAPM_EVENT_OFF(event)) {
ret = snd_soc_dai_set_pll(codec_dai, 0,
DA7219_SYSCLK_MCLK, 0, 0);
if (ret)
dev_err(card->dev, "failed to stop PLL: %d\n", ret);
} else if(SND_SOC_DAPM_EVENT_ON(event)) {
ret = snd_soc_dai_set_pll(codec_dai, 0,
DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304);
if (ret)
dev_err(card->dev, "failed to start PLL: %d\n", ret);
}
return ret;
}
static const struct snd_kcontrol_new broxton_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 broxton_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_SPK("HDMI1", NULL),
SND_SOC_DAPM_SPK("HDMI2", NULL),
SND_SOC_DAPM_SPK("HDMI3", NULL),
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
platform_clock_control, SND_SOC_DAPM_POST_PMD|SND_SOC_DAPM_PRE_PMU),
};
static const struct snd_soc_dapm_route broxton_map[] = {
/* HP jack connectors - unknown if we have jack detection */
{"Headphone Jack", NULL, "HPL"},
{"Headphone Jack", NULL, "HPR"},
/* speaker */
{"Spk", NULL, "Speaker"},
/* other jacks */
{"MIC", NULL, "Headset Mic"},
/* digital mics */
{"DMic", NULL, "SoC DMIC"},
/* CODEC BE connections */
{"HiFi Playback", NULL, "ssp5 Tx"},
{"ssp5 Tx", NULL, "codec0_out"},
{"Playback", NULL, "ssp1 Tx"},
{"ssp1 Tx", NULL, "codec1_out"},
{"codec0_in", NULL, "ssp1 Rx"},
{"ssp1 Rx", NULL, "Capture"},
{"HDMI1", NULL, "hif5-0 Output"},
{"HDMI2", NULL, "hif6-0 Output"},
{"HDMI2", NULL, "hif7-0 Output"},
{"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"},
/* DMIC */
{"dmic01_hifi", NULL, "DMIC01 Rx"},
{"DMIC01 Rx", NULL, "DMIC AIF"},
{ "Headphone Jack", NULL, "Platform Clock" },
{ "Headset Mic", NULL, "Platform Clock" },
};
static int broxton_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 convert the FE rate to 48k, stereo */
rate->min = rate->max = 48000;
channels->min = channels->max = DUAL_CHANNEL;
/* set SSP to 24 bit */
snd_mask_none(fmt);
snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
{
int ret;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_component *component = rtd->codec_dai->component;
/* Configure sysclk for codec */
ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 19200000,
SND_SOC_CLOCK_IN);
if (ret) {
dev_err(rtd->dev, "can't set codec sysclk configuration\n");
return ret;
}
/*
* Headset buttons map to the google Reference headset.
* These can be configured by userspace.
*/
ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
&broxton_headset, NULL, 0);
if (ret) {
dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
return ret;
}
da7219_aad_jack_det(component, &broxton_headset);
snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
return ret;
}
static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct bxt_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = rtd->codec_dai;
struct bxt_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int broxton_da7219_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 const unsigned int rates[] = {
48000,
};
static const struct snd_pcm_hw_constraint_list constraints_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,
};
static const unsigned int channels[] = {
DUAL_CHANNEL,
};
static const struct snd_pcm_hw_constraint_list constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
};
static const unsigned int channels_quad[] = {
QUAD_CHANNEL,
};
static const struct snd_pcm_hw_constraint_list constraints_channels_quad = {
.count = ARRAY_SIZE(channels_quad),
.list = channels_quad,
.mask = 0,
};
static int bxt_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 = DUAL_CHANNEL;
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 broxton_da7219_fe_ops = {
.startup = bxt_fe_startup,
};
static int broxton_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 broxton_dmic_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels_quad);
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}
static const struct snd_soc_ops broxton_dmic_ops = {
.startup = broxton_dmic_startup,
};
static const unsigned int rates_16000[] = {
16000,
};
static const struct snd_pcm_hw_constraint_list constraints_16000 = {
.count = ARRAY_SIZE(rates_16000),
.list = rates_16000,
};
static int broxton_refcap_startup(struct snd_pcm_substream *substream)
{
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_16000);
};
static const struct snd_soc_ops broxton_refcap_ops = {
.startup = broxton_refcap_startup,
};
/* broxton digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link broxton_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",
.dynamic = 1,
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.nonatomic = 1,
.init = broxton_da7219_fe_init,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
.ops = &broxton_da7219_fe_ops,
},
[BXT_DPCM_AUDIO_CP] =
{
.name = "Bxt Audio Capture Port",
.stream_name = "Audio Record",
.cpu_dai_name = "System Pin",
.platform_name = "0000:00:0e.0",
.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 = &broxton_da7219_fe_ops,
},
[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,
.ops = &broxton_refcap_ops,
},
[BXT_DPCM_AUDIO_DMIC_CP] =
{
.name = "Bxt 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 = "0000:00:0e.0",
.init = NULL,
.dpcm_capture = 1,
.nonatomic = 1,
.dynamic = 1,
.ops = &broxton_dmic_ops,
},
[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",
.id = 0,
.cpu_dai_name = "SSP5 Pin",
.platform_name = "0000:00:0e.0",
.no_pcm = 1,
.codec_name = "MX98357A:00",
.codec_dai_name = BXT_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 = broxton_ssp_fixup,
.dpcm_playback = 1,
},
{
/* SSP1 - Codec */
.name = "SSP1-Codec",
.id = 1,
.cpu_dai_name = "SSP1 Pin",
.platform_name = "0000:00:0e.0",
.no_pcm = 1,
.codec_name = "i2c-DLGS7219:00",
.codec_dai_name = BXT_DIALOG_CODEC_DAI,
.init = broxton_da7219_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 = broxton_ssp_fixup,
.dpcm_playback = 1,
.dpcm_capture = 1,
},
{
.name = "dmic01",
.id = 2,
.cpu_dai_name = "DMIC01 Pin",
.codec_name = "dmic-codec",
.codec_dai_name = "dmic-hifi",
.platform_name = "0000:00:0e.0",
.ignore_suspend = 1,
.be_hw_params_fixup = broxton_dmic_fixup,
.dpcm_capture = 1,
.no_pcm = 1,
},
{
.name = "iDisp1",
.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",
.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",
.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,
},
};
#define NAME_SIZE 32
static int bxt_card_late_probe(struct snd_soc_card *card)
{
struct bxt_card_private *ctx = snd_soc_card_get_drvdata(card);
struct bxt_hdmi_pcm *pcm;
struct snd_soc_component *component = NULL;
int err, i = 0;
char jack_name[NAME_SIZE];
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
component = pcm->codec_dai->component;
snprintf(jack_name, sizeof(jack_name),
"HDMI/DP, pcm=%d Jack", pcm->device);
err = snd_soc_card_jack_new(card, jack_name,
SND_JACK_AVOUT, &broxton_hdmi[i],
NULL, 0);
if (err)
return err;
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
&broxton_hdmi[i]);
if (err < 0)
return err;
i++;
}
if (!component)
return -EINVAL;
return hdac_hdmi_jack_port_init(component, &card->dapm);
}
/* broxton audio machine driver for SPT + da7219 */
static struct snd_soc_card broxton_audio_card = {
.name = "bxtda7219max",
.owner = THIS_MODULE,
.dai_link = broxton_dais,
.num_links = ARRAY_SIZE(broxton_dais),
.controls = broxton_controls,
.num_controls = ARRAY_SIZE(broxton_controls),
.dapm_widgets = broxton_widgets,
.num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
.dapm_routes = broxton_map,
.num_dapm_routes = ARRAY_SIZE(broxton_map),
.fully_routed = true,
.late_probe = bxt_card_late_probe,
};
static int broxton_audio_probe(struct platform_device *pdev)
{
struct bxt_card_private *ctx;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
broxton_audio_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&broxton_audio_card, ctx);
return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card);
}
static struct platform_driver broxton_audio = {
.probe = broxton_audio_probe,
.driver = {
.name = "bxt_da7219_max98357a",
.pm = &snd_soc_pm_ops,
},
};
module_platform_driver(broxton_audio)
/* Module information */
MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>");
MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>");
MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:bxt_da7219_max98357a");
