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linuxdebug/sound/soc/intel/boards/skl_rt286.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel Skylake I2S Machine Driver
*
* Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
*
* Modified from:
* 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 "../../codecs/rt286.h"
#include "../../codecs/hdac_hdmi.h"
static struct snd_soc_jack skylake_headset;
static struct snd_soc_jack skylake_hdmi[3];
struct skl_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct skl_rt286_private {
struct list_head hdmi_pcm_list;
};
enum {
SKL_DPCM_AUDIO_PB = 0,
SKL_DPCM_AUDIO_DB_PB,
SKL_DPCM_AUDIO_CP,
SKL_DPCM_AUDIO_REF_CP,
SKL_DPCM_AUDIO_DMIC_CP,
SKL_DPCM_AUDIO_HDMI1_PB,
SKL_DPCM_AUDIO_HDMI2_PB,
SKL_DPCM_AUDIO_HDMI3_PB,
};
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin skylake_headset_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
};
static const struct snd_kcontrol_new skylake_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 skylake_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 skylake_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"},
/* digital mics */
{"DMIC1 Pin", NULL, "DMIC2"},
{"DMic", NULL, "SoC DMIC"},
/* CODEC BE connections */
{ "AIF1 Playback", NULL, "ssp0 Tx"},
{ "ssp0 Tx", NULL, "codec0_out"},
{ "ssp0 Tx", NULL, "codec1_out"},
{ "codec0_in", NULL, "ssp0 Rx" },
{ "codec1_in", NULL, "ssp0 Rx" },
{ "ssp0 Rx", NULL, "AIF1 Capture" },
{ "dmic01_hifi", NULL, "DMIC01 Rx" },
{ "DMIC01 Rx", NULL, "DMIC AIF" },
{ "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 skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dapm_context *dapm;
struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
dapm = snd_soc_component_get_dapm(component);
snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
return 0;
}
static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
int ret;
ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0,
&skylake_headset,
skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
if (ret)
return ret;
snd_soc_component_set_jack(component, &skylake_headset, NULL);
snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
return 0;
}
static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
struct skl_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
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[] = {
2,
};
static const 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_rt286_fe_ops = {
.startup = skl_fe_startup,
};
static int skylake_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);
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
/* The output is 48KHz, stereo, 16bits */
rate->min = rate->max = 48000;
chan->min = chan->max = 2;
/* set SSP0 to 24 bit */
snd_mask_none(fmt);
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int skylake_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, "set codec sysclk failed: %d\n", ret);
return ret;
}
static const struct snd_soc_ops skylake_rt286_ops = {
.hw_params = skylake_rt286_hw_params,
};
static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *chan = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
if (params_channels(params) == 2)
chan->min = chan->max = 2;
else
chan->min = chan->max = 4;
return 0;
}
static const unsigned int channels_dmic[] = {
2, 4,
};
static const 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 const struct snd_soc_ops skylake_dmic_ops = {
.startup = skylake_dmic_startup,
};
SND_SOC_DAILINK_DEF(dummy,
DAILINK_COMP_ARRAY(COMP_DUMMY()));
SND_SOC_DAILINK_DEF(system,
DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
SND_SOC_DAILINK_DEF(deepbuffer,
DAILINK_COMP_ARRAY(COMP_CPU("Deepbuffer Pin")));
SND_SOC_DAILINK_DEF(reference,
DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
SND_SOC_DAILINK_DEF(dmic,
DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
SND_SOC_DAILINK_DEF(hdmi1,
DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
SND_SOC_DAILINK_DEF(hdmi2,
DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
SND_SOC_DAILINK_DEF(hdmi3,
DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
SND_SOC_DAILINK_DEF(ssp0_pin,
DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
SND_SOC_DAILINK_DEF(ssp0_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
SND_SOC_DAILINK_DEF(dmic01_pin,
DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
SND_SOC_DAILINK_DEF(dmic_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
SND_SOC_DAILINK_DEF(idisp1_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
SND_SOC_DAILINK_DEF(idisp1_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
SND_SOC_DAILINK_DEF(idisp2_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
SND_SOC_DAILINK_DEF(idisp2_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
SND_SOC_DAILINK_DEF(idisp3_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
SND_SOC_DAILINK_DEF(idisp3_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
/* skylake digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link skylake_rt286_dais[] = {
/* Front End DAI links */
[SKL_DPCM_AUDIO_PB] = {
.name = "Skl Audio Port",
.stream_name = "Audio",
.nonatomic = 1,
.dynamic = 1,
.init = skylake_rt286_fe_init,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST
},
.dpcm_playback = 1,
.ops = &skylake_rt286_fe_ops,
SND_SOC_DAILINK_REG(system, dummy, platform),
},
[SKL_DPCM_AUDIO_DB_PB] = {
.name = "Skl Deepbuffer Port",
.stream_name = "Deep Buffer Audio",
.nonatomic = 1,
.dynamic = 1,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST
},
.dpcm_playback = 1,
.ops = &skylake_rt286_fe_ops,
SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
},
[SKL_DPCM_AUDIO_CP] = {
.name = "Skl Audio Capture Port",
.stream_name = "Audio Record",
.nonatomic = 1,
.dynamic = 1,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST
},
.dpcm_capture = 1,
.ops = &skylake_rt286_fe_ops,
SND_SOC_DAILINK_REG(system, dummy, platform),
},
[SKL_DPCM_AUDIO_REF_CP] = {
.name = "Skl Audio Reference cap",
.stream_name = "refcap",
.init = NULL,
.dpcm_capture = 1,
.nonatomic = 1,
.dynamic = 1,
SND_SOC_DAILINK_REG(reference, dummy, platform),
},
[SKL_DPCM_AUDIO_DMIC_CP] = {
.name = "Skl Audio DMIC cap",
.stream_name = "dmiccap",
.init = NULL,
.dpcm_capture = 1,
.nonatomic = 1,
.dynamic = 1,
.ops = &skylake_dmic_ops,
SND_SOC_DAILINK_REG(dmic, dummy, platform),
},
[SKL_DPCM_AUDIO_HDMI1_PB] = {
.name = "Skl HDMI Port1",
.stream_name = "Hdmi1",
.dpcm_playback = 1,
.init = NULL,
.nonatomic = 1,
.dynamic = 1,
SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
},
[SKL_DPCM_AUDIO_HDMI2_PB] = {
.name = "Skl HDMI Port2",
.stream_name = "Hdmi2",
.dpcm_playback = 1,
.init = NULL,
.nonatomic = 1,
.dynamic = 1,
SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
},
[SKL_DPCM_AUDIO_HDMI3_PB] = {
.name = "Skl HDMI Port3",
.stream_name = "Hdmi3",
.dpcm_playback = 1,
.init = NULL,
.nonatomic = 1,
.dynamic = 1,
SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
},
/* Back End DAI links */
{
/* SSP0 - Codec */
.name = "SSP0-Codec",
.id = 0,
.no_pcm = 1,
.init = skylake_rt286_codec_init,
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = skylake_ssp0_fixup,
.ops = &skylake_rt286_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
},
{
.name = "dmic01",
.id = 1,
.be_hw_params_fixup = skylake_dmic_fixup,
.ignore_suspend = 1,
.dpcm_capture = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
},
{
.name = "iDisp1",
.id = 2,
.init = skylake_hdmi_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
},
{
.name = "iDisp2",
.id = 3,
.init = skylake_hdmi_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
},
{
.name = "iDisp3",
.id = 4,
.init = skylake_hdmi_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
},
};
#define NAME_SIZE 32
static int skylake_card_late_probe(struct snd_soc_card *card)
{
struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
struct skl_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, &skylake_hdmi[i]);
if (err)
return err;
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
&skylake_hdmi[i]);
if (err < 0)
return err;
i++;
}
if (!component)
return -EINVAL;
return hdac_hdmi_jack_port_init(component, &card->dapm);
}
/* skylake audio machine driver for SPT + RT286S */
static struct snd_soc_card skylake_rt286 = {
.name = "skylake-rt286",
.owner = THIS_MODULE,
.dai_link = skylake_rt286_dais,
.num_links = ARRAY_SIZE(skylake_rt286_dais),
.controls = skylake_controls,
.num_controls = ARRAY_SIZE(skylake_controls),
.dapm_widgets = skylake_widgets,
.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
.dapm_routes = skylake_rt286_map,
.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
.fully_routed = true,
.late_probe = skylake_card_late_probe,
};
static int skylake_audio_probe(struct platform_device *pdev)
{
struct skl_rt286_private *ctx;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
skylake_rt286.dev = &pdev->dev;
snd_soc_card_set_drvdata(&skylake_rt286, ctx);
return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
}
static const struct platform_device_id skl_board_ids[] = {
{ .name = "skl_alc286s_i2s" },
{ .name = "kbl_alc286s_i2s" },
{ }
};
MODULE_DEVICE_TABLE(platform, skl_board_ids);
static struct platform_driver skylake_audio = {
.probe = skylake_audio_probe,
.driver = {
.name = "skl_alc286s_i2s",
.pm = &snd_soc_pm_ops,
},
.id_table = skl_board_ids,
};
module_platform_driver(skylake_audio)
/* Module information */
MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
MODULE_DESCRIPTION("Intel SST Audio for Skylake");
MODULE_LICENSE("GPL v2");