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// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel Broadwell Wildcatpoint SST Audio
*
* Copyright (C) 2013, Intel Corporation. All rights reserved.
*/
#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 <sound/soc-acpi.h>
#include "../../codecs/rt286.h"
static struct snd_soc_jack broadwell_headset;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin broadwell_headset_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
};
static const struct snd_kcontrol_new broadwell_controls[] = {
SOC_DAPM_PIN_SWITCH("Speaker"),
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
};
static const struct snd_soc_dapm_widget broadwell_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("DMIC1", NULL),
SND_SOC_DAPM_MIC("DMIC2", NULL),
SND_SOC_DAPM_LINE("Line Jack", NULL),
};
static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
/* speaker */
{"Speaker", NULL, "SPOR"},
{"Speaker", NULL, "SPOL"},
/* HP jack connectors - unknown if we have jack deteck */
{"Headphone Jack", NULL, "HPO Pin"},
/* other jacks */
{"MIC1", NULL, "Mic Jack"},
{"LINE1", NULL, "Line Jack"},
/* digital mics */
{"DMIC1 Pin", NULL, "DMIC1"},
{"DMIC2 Pin", NULL, "DMIC2"},
/* CODEC BE connections */
{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
};
static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
int ret = 0;
ret = snd_soc_card_jack_new(rtd->card, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
if (ret)
return ret;
rt286_mic_detect(component, &broadwell_headset);
return 0;
}
static int broadwell_ssp0_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 *chan = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
/* The ADSP will covert the FE rate to 48k, stereo */
rate->min = rate->max = 48000;
chan->min = chan->max = 2;
/* set SSP0 to 16 bit */
params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
return 0;
}
static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
int ret;
ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(rtd->dev, "can't set codec sysclk configuration\n");
return ret;
}
return ret;
}
static const struct snd_soc_ops broadwell_rt286_ops = {
.hw_params = broadwell_rt286_hw_params,
};
static const unsigned int channels[] = {
2,
};
static const struct snd_pcm_hw_constraint_list constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
};
static int broadwell_fe_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
/* Board supports stereo configuration only */
runtime->hw.channels_max = 2;
return snd_pcm_hw_constraint_list(runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels);
}
static const struct snd_soc_ops broadwell_fe_ops = {
.startup = broadwell_fe_startup,
};
SND_SOC_DAILINK_DEF(system,
DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
SND_SOC_DAILINK_DEF(offload0,
DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
SND_SOC_DAILINK_DEF(offload1,
DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
SND_SOC_DAILINK_DEF(loopback,
DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
SND_SOC_DAILINK_DEF(dummy,
DAILINK_COMP_ARRAY(COMP_DUMMY()));
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
SND_SOC_DAILINK_DEF(codec,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
SND_SOC_DAILINK_DEF(ssp0_port,
DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
/* broadwell digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link broadwell_rt286_dais[] = {
/* Front End DAI links */
{
.name = "System PCM",
.stream_name = "System Playback/Capture",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.ops = &broadwell_fe_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(system, dummy, platform),
},
{
.name = "Offload0",
.stream_name = "Offload0 Playback",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
SND_SOC_DAILINK_REG(offload0, dummy, platform),
},
{
.name = "Offload1",
.stream_name = "Offload1 Playback",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
SND_SOC_DAILINK_REG(offload1, dummy, platform),
},
{
.name = "Loopback PCM",
.stream_name = "Loopback",
.nonatomic = 1,
.dynamic = 1,
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(loopback, dummy, platform),
},
/* Back End DAI links */
{
/* SSP0 - Codec */
.name = "Codec",
.id = 0,
.no_pcm = 1,
.init = broadwell_rt286_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 = broadwell_ssp0_fixup,
.ops = &broadwell_rt286_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
},
};
static int broadwell_disable_jack(struct snd_soc_card *card)
{
struct snd_soc_component *component;
for_each_card_components(card, component) {
if (!strcmp(component->name, "i2c-INT343A:00")) {
dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
rt286_mic_detect(component, NULL);
break;
}
}
return 0;
}
static int broadwell_suspend(struct snd_soc_card *card)
{
return broadwell_disable_jack(card);
}
static int broadwell_resume(struct snd_soc_card *card){
struct snd_soc_component *component;
for_each_card_components(card, component) {
if (!strcmp(component->name, "i2c-INT343A:00")) {
dev_dbg(component->dev, "enabling jack detect for resume.\n");
rt286_mic_detect(component, &broadwell_headset);
break;
}
}
return 0;
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
/* use space before codec name to simplify card ID, and simplify driver name */
#define CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
#define DRIVER_NAME "SOF"
#else
#define CARD_NAME "broadwell-rt286"
#define DRIVER_NAME NULL /* card name will be used for driver name */
#endif
/* broadwell audio machine driver for WPT + RT286S */
static struct snd_soc_card broadwell_rt286 = {
.name = CARD_NAME,
.driver_name = DRIVER_NAME,
.owner = THIS_MODULE,
.dai_link = broadwell_rt286_dais,
.num_links = ARRAY_SIZE(broadwell_rt286_dais),
.controls = broadwell_controls,
.num_controls = ARRAY_SIZE(broadwell_controls),
.dapm_widgets = broadwell_widgets,
.num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
.dapm_routes = broadwell_rt286_map,
.num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
.fully_routed = true,
.suspend_pre = broadwell_suspend,
.resume_post = broadwell_resume,
};
static int broadwell_audio_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach;
int ret;
broadwell_rt286.dev = &pdev->dev;
/* override plaform name, if required */
mach = pdev->dev.platform_data;
ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286,
mach->mach_params.platform);
if (ret)
return ret;
return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
}
static int broadwell_audio_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
return broadwell_disable_jack(card);
}
static struct platform_driver broadwell_audio = {
.probe = broadwell_audio_probe,
.remove = broadwell_audio_remove,
.driver = {
.name = "broadwell-audio",
},
};
module_platform_driver(broadwell_audio)
/* Module information */
MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:broadwell-audio");
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