// 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, .disable_route_checks = 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");