// SPDX-License-Identifier: GPL-2.0-only // Copyright(c) 2017-18 Intel Corporation. /* * Intel Kabylake I2S Machine Driver with MAX98357A & DA7219 Codecs * * Modified from: * Intel Kabylake I2S Machine driver supporting MAXIM98927 and * RT5663 codecs */ #include <linux/input.h> #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/da7219.h" #include "../../codecs/hdac_hdmi.h" #define KBL_DIALOG_CODEC_DAI "da7219-hifi" #define KBL_MAXIM_CODEC_DAI "HiFi" #define MAXIM_DEV0_NAME "MX98357A:00" #define DUAL_CHANNEL 2 #define QUAD_CHANNEL 4 static struct snd_soc_card *kabylake_audio_card; static struct snd_soc_jack skylake_hdmi[3]; struct kbl_hdmi_pcm { struct list_head head; struct snd_soc_dai *codec_dai; int device; }; struct kbl_codec_private { struct snd_soc_jack kabylake_headset; struct list_head hdmi_pcm_list; }; enum { KBL_DPCM_AUDIO_PB = 0, KBL_DPCM_AUDIO_CP, KBL_DPCM_AUDIO_REF_CP, KBL_DPCM_AUDIO_DMIC_CP, KBL_DPCM_AUDIO_HDMI1_PB, KBL_DPCM_AUDIO_HDMI2_PB, KBL_DPCM_AUDIO_HDMI3_PB, }; 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 = 0; codec_dai = snd_soc_card_get_codec_dai(card, KBL_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 kabylake_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone Jack"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Spk"), SOC_DAPM_PIN_SWITCH("Line Out"), }; static const struct snd_soc_dapm_widget kabylake_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SPK("Spk", NULL), SND_SOC_DAPM_LINE("Line Out", 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_PRE_PMU | SND_SOC_DAPM_POST_PMD), }; static struct snd_soc_jack_pin jack_pins[] = { { .pin = "Headphone Jack", .mask = SND_JACK_HEADPHONE, }, { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, { .pin = "Line Out", .mask = SND_JACK_LINEOUT, }, }; static const struct snd_soc_dapm_route kabylake_map[] = { { "Headphone Jack", NULL, "HPL" }, { "Headphone Jack", NULL, "HPR" }, /* speaker */ { "Spk", NULL, "Speaker" }, /* other jacks */ { "MIC", NULL, "Headset Mic" }, { "DMic", NULL, "SoC DMIC" }, {"HDMI1", NULL, "hif5-0 Output"}, {"HDMI2", NULL, "hif6-0 Output"}, {"HDMI3", NULL, "hif7-0 Output"}, /* CODEC BE connections */ { "HiFi 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, "iDisp1 Tx" }, { "iDisp1 Tx", NULL, "iDisp1_out" }, { "hifi2", NULL, "iDisp2 Tx" }, { "iDisp2 Tx", NULL, "iDisp2_out" }, { "hifi3", NULL, "iDisp3 Tx"}, { "iDisp3 Tx", NULL, "iDisp3_out"}, { "Headphone Jack", NULL, "Platform Clock" }, { "Headset Mic", NULL, "Platform Clock" }, { "Line Out", NULL, "Platform Clock" }, }; static int kabylake_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 *chan = 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; chan->min = chan->max = DUAL_CHANNEL; /* set SSP to 24 bit */ snd_mask_none(fmt); snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); return 0; } static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) { struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); struct snd_soc_jack *jack; int ret; /* Configure sysclk for codec */ ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24576000, 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_pins(kabylake_audio_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, &ctx->kabylake_headset, jack_pins, ARRAY_SIZE(jack_pins)); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); return ret; } jack = &ctx->kabylake_headset; snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); snd_soc_component_set_jack(component, &ctx->kabylake_headset, NULL); ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); if (ret) dev_err(rtd->dev, "SoC DMIC - Ignore suspend failed %d\n", ret); return ret; } static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device) { struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); struct kbl_hdmi_pcm *pcm; pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); if (!pcm) return -ENOMEM; pcm->device = device; pcm->codec_dai = dai; list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); return 0; } static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd) { return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB); } static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd) { return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB); } static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd) { return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB); } static int kabylake_da7219_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 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 unsigned int channels_quad[] = { QUAD_CHANNEL, }; static struct snd_pcm_hw_constraint_list constraints_channels_quad = { .count = ARRAY_SIZE(channels_quad), .list = channels_quad, .mask = 0, }; static int kbl_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 kabylake_da7219_fe_ops = { .startup = kbl_fe_startup, }; static int kabylake_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); /* * set BE channel constraint as user FE channels */ if (params_channels(params) == 2) chan->min = chan->max = 2; else chan->min = chan->max = 4; return 0; } static int kabylake_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 struct snd_soc_ops kabylake_dmic_ops = { .startup = kabylake_dmic_startup, }; static unsigned int rates_16000[] = { 16000, }; static const struct snd_pcm_hw_constraint_list constraints_16000 = { .count = ARRAY_SIZE(rates_16000), .list = rates_16000, }; static const unsigned int ch_mono[] = { 1, }; static const struct snd_pcm_hw_constraint_list constraints_refcap = { .count = ARRAY_SIZE(ch_mono), .list = ch_mono, }; static int kabylake_refcap_startup(struct snd_pcm_substream *substream) { substream->runtime->hw.channels_max = 1; snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &constraints_refcap); return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_16000); } static struct snd_soc_ops skylake_refcap_ops = { .startup = kabylake_refcap_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(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(MAXIM_DEV0_NAME, KBL_MAXIM_CODEC_DAI))); SND_SOC_DAILINK_DEF(ssp1_pin, DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin"))); SND_SOC_DAILINK_DEF(ssp1_codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", KBL_DIALOG_CODEC_DAI))); SND_SOC_DAILINK_DEF(dmic_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"))); /* kabylake digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link kabylake_dais[] = { /* Front End DAI links */ [KBL_DPCM_AUDIO_PB] = { .name = "Kbl Audio Port", .stream_name = "Audio", .dynamic = 1, .nonatomic = 1, .init = kabylake_da7219_fe_init, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, .ops = &kabylake_da7219_fe_ops, SND_SOC_DAILINK_REG(system, dummy, platform), }, [KBL_DPCM_AUDIO_CP] = { .name = "Kbl Audio Capture Port", .stream_name = "Audio Record", .dynamic = 1, .nonatomic = 1, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_capture = 1, .ops = &kabylake_da7219_fe_ops, SND_SOC_DAILINK_REG(system, dummy, platform), }, [KBL_DPCM_AUDIO_REF_CP] = { .name = "Kbl Audio Reference cap", .stream_name = "Wake on Voice", .init = NULL, .dpcm_capture = 1, .nonatomic = 1, .dynamic = 1, .ops = &skylake_refcap_ops, SND_SOC_DAILINK_REG(reference, dummy, platform), }, [KBL_DPCM_AUDIO_DMIC_CP] = { .name = "Kbl Audio DMIC cap", .stream_name = "dmiccap", .init = NULL, .dpcm_capture = 1, .nonatomic = 1, .dynamic = 1, .ops = &kabylake_dmic_ops, SND_SOC_DAILINK_REG(dmic, dummy, platform), }, [KBL_DPCM_AUDIO_HDMI1_PB] = { .name = "Kbl HDMI Port1", .stream_name = "Hdmi1", .dpcm_playback = 1, .init = NULL, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .nonatomic = 1, .dynamic = 1, SND_SOC_DAILINK_REG(hdmi1, dummy, platform), }, [KBL_DPCM_AUDIO_HDMI2_PB] = { .name = "Kbl HDMI Port2", .stream_name = "Hdmi2", .dpcm_playback = 1, .init = NULL, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .nonatomic = 1, .dynamic = 1, SND_SOC_DAILINK_REG(hdmi2, dummy, platform), }, [KBL_DPCM_AUDIO_HDMI3_PB] = { .name = "Kbl HDMI Port3", .stream_name = "Hdmi3", .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .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, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC, .ignore_pmdown_time = 1, .be_hw_params_fixup = kabylake_ssp_fixup, .dpcm_playback = 1, SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform), }, { /* SSP1 - Codec */ .name = "SSP1-Codec", .id = 1, .no_pcm = 1, .init = kabylake_da7219_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 = kabylake_ssp_fixup, .dpcm_playback = 1, .dpcm_capture = 1, SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform), }, { .name = "dmic01", .id = 2, .be_hw_params_fixup = kabylake_dmic_fixup, .ignore_suspend = 1, .dpcm_capture = 1, .no_pcm = 1, SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform), }, { .name = "iDisp1", .id = 3, .dpcm_playback = 1, .init = kabylake_hdmi1_init, .no_pcm = 1, SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), }, { .name = "iDisp2", .id = 4, .init = kabylake_hdmi2_init, .dpcm_playback = 1, .no_pcm = 1, SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), }, { .name = "iDisp3", .id = 5, .init = kabylake_hdmi3_init, .dpcm_playback = 1, .no_pcm = 1, SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), }, }; #define NAME_SIZE 32 static int kabylake_card_late_probe(struct snd_soc_card *card) { struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card); struct kbl_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); } /* kabylake audio machine driver for SPT + DA7219 */ static struct snd_soc_card kabylake_audio_card_da7219_m98357a = { .name = "kblda7219max", .owner = THIS_MODULE, .dai_link = kabylake_dais, .num_links = ARRAY_SIZE(kabylake_dais), .controls = kabylake_controls, .num_controls = ARRAY_SIZE(kabylake_controls), .dapm_widgets = kabylake_widgets, .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets), .dapm_routes = kabylake_map, .num_dapm_routes = ARRAY_SIZE(kabylake_map), .fully_routed = true, .disable_route_checks = true, .late_probe = kabylake_card_late_probe, }; static int kabylake_audio_probe(struct platform_device *pdev) { struct kbl_codec_private *ctx; ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; INIT_LIST_HEAD(&ctx->hdmi_pcm_list); kabylake_audio_card = (struct snd_soc_card *)pdev->id_entry->driver_data; kabylake_audio_card->dev = &pdev->dev; snd_soc_card_set_drvdata(kabylake_audio_card, ctx); return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card); } static const struct platform_device_id kbl_board_ids[] = { { .name = "kbl_da7219_mx98357a", .driver_data = (kernel_ulong_t)&kabylake_audio_card_da7219_m98357a, }, { } }; MODULE_DEVICE_TABLE(platform, kbl_board_ids); static struct platform_driver kabylake_audio = { .probe = kabylake_audio_probe, .driver = { .name = "kbl_da7219_max98357a", .pm = &snd_soc_pm_ops, }, .id_table = kbl_board_ids, }; module_platform_driver(kabylake_audio) /* Module information */ MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode"); MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>"); MODULE_LICENSE("GPL v2");