// SPDX-License-Identifier: GPL-2.0 // Copyright(c) 2019 Intel Corporation. /* * Intel SOF Machine Driver with Realtek rt5682 Codec * and speaker codec MAX98357A */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../../codecs/rt5682.h" #include "../../codecs/hdac_hdmi.h" #include "../common/soc-intel-quirks.h" #define NAME_SIZE 32 #define SOF_RT5682_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0)) #define SOF_RT5682_SSP_CODEC_MASK (GENMASK(2, 0)) #define SOF_RT5682_MCLK_EN BIT(3) #define SOF_RT5682_MCLK_24MHZ BIT(4) #define SOF_SPEAKER_AMP_PRESENT BIT(5) #define SOF_RT5682_SSP_AMP_SHIFT 6 #define SOF_RT5682_SSP_AMP_MASK (GENMASK(8, 6)) #define SOF_RT5682_SSP_AMP(quirk) \ (((quirk) << SOF_RT5682_SSP_AMP_SHIFT) & SOF_RT5682_SSP_AMP_MASK) #define SOF_RT5682_MCLK_BYTCHT_EN BIT(9) #define SOF_RT5682_NUM_HDMIDEV_SHIFT 10 #define SOF_RT5682_NUM_HDMIDEV_MASK (GENMASK(12, 10)) #define SOF_RT5682_NUM_HDMIDEV(quirk) \ ((quirk << SOF_RT5682_NUM_HDMIDEV_SHIFT) & SOF_RT5682_NUM_HDMIDEV_MASK) /* Default: MCLK on, MCLK 19.2M, SSP0 */ static unsigned long sof_rt5682_quirk = SOF_RT5682_MCLK_EN | SOF_RT5682_SSP_CODEC(0); static int is_legacy_cpu; static struct snd_soc_jack sof_hdmi[3]; struct sof_hdmi_pcm { struct list_head head; struct snd_soc_dai *codec_dai; int device; }; struct sof_card_private { struct clk *mclk; struct snd_soc_jack sof_headset; struct list_head hdmi_pcm_list; }; static int sof_rt5682_quirk_cb(const struct dmi_system_id *id) { sof_rt5682_quirk = (unsigned long)id->driver_data; return 1; } static const struct dmi_system_id sof_rt5682_quirk_table[] = { { .callback = sof_rt5682_quirk_cb, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"), DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max"), }, .driver_data = (void *)(SOF_RT5682_SSP_CODEC(2)), }, { .callback = sof_rt5682_quirk_cb, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"), }, .driver_data = (void *)(SOF_RT5682_SSP_CODEC(2)), }, { .callback = sof_rt5682_quirk_cb, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"), }, .driver_data = (void *)(SOF_RT5682_MCLK_EN | SOF_RT5682_MCLK_24MHZ | SOF_RT5682_SSP_CODEC(1)), }, { .callback = sof_rt5682_quirk_cb, .matches = { DMI_MATCH(DMI_PRODUCT_FAMILY, "Google_Hatch"), }, .driver_data = (void *)(SOF_RT5682_MCLK_EN | SOF_RT5682_MCLK_24MHZ | SOF_RT5682_SSP_CODEC(0) | SOF_SPEAKER_AMP_PRESENT | SOF_RT5682_SSP_AMP(1)), }, { .callback = sof_rt5682_quirk_cb, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"), }, .driver_data = (void *)(SOF_RT5682_MCLK_EN | SOF_RT5682_SSP_CODEC(0)), }, {} }; static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd) { struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_dai *dai = rtd->codec_dai; struct sof_hdmi_pcm *pcm; pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); if (!pcm) return -ENOMEM; /* dai_link id is 1:1 mapped to the PCM device */ pcm->device = rtd->dai_link->id; pcm->codec_dai = dai; list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); return 0; } static int sof_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd) { struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_component *component = rtd->codec_dai->component; struct snd_soc_jack *jack; int ret; /* need to enable ASRC function for 24MHz mclk rate */ if ((sof_rt5682_quirk & SOF_RT5682_MCLK_EN) && (sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ)) { rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER | RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC); } if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) { /* * The firmware might enable the clock at * boot (this information may or may not * be reflected in the enable clock register). * To change the rate we must disable the clock * first to cover these cases. Due to common * clock framework restrictions that do not allow * to disable a clock that has not been enabled, * we need to enable the clock first. */ ret = clk_prepare_enable(ctx->mclk); if (!ret) clk_disable_unprepare(ctx->mclk); ret = clk_set_rate(ctx->mclk, 19200000); if (ret) dev_err(rtd->dev, "unable to set MCLK rate\n"); } /* * 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, &ctx->sof_headset, NULL, 0); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); return ret; } jack = &ctx->sof_headset; snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); ret = snd_soc_component_set_jack(component, jack, NULL); if (ret) { dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret); return ret; } return ret; }; static int sof_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_dai *codec_dai = rtd->codec_dai; int clk_id, clk_freq, pll_out, ret; if (sof_rt5682_quirk & SOF_RT5682_MCLK_EN) { if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) { ret = clk_prepare_enable(ctx->mclk); if (ret < 0) { dev_err(rtd->dev, "could not configure MCLK state"); return ret; } } clk_id = RT5682_PLL1_S_MCLK; if (sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ) clk_freq = 24000000; else clk_freq = 19200000; } else { clk_id = RT5682_PLL1_S_BCLK1; clk_freq = params_rate(params) * 50; } pll_out = params_rate(params) * 512; ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out); if (ret < 0) dev_err(rtd->dev, "snd_soc_dai_set_pll err = %d\n", ret); /* Configure sysclk for codec */ ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, pll_out, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); /* * slot_width should equal or large than data length, set them * be the same */ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, params_width(params)); if (ret < 0) { dev_err(rtd->dev, "set TDM slot err:%d\n", ret); return ret; } return ret; } static struct snd_soc_ops sof_rt5682_ops = { .hw_params = sof_rt5682_hw_params, }; static struct snd_soc_dai_link_component platform_component[] = { { /* name might be overridden during probe */ .name = "0000:00:1f.3" } }; static int sof_card_late_probe(struct snd_soc_card *card) { struct sof_card_private *ctx = snd_soc_card_get_drvdata(card); struct snd_soc_component *component = NULL; char jack_name[NAME_SIZE]; struct sof_hdmi_pcm *pcm; int err = 0; int i = 0; /* HDMI is not supported by SOF on Baytrail/CherryTrail */ if (is_legacy_cpu) return 0; 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, &sof_hdmi[i], NULL, 0); if (err) return err; err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, &sof_hdmi[i]); if (err < 0) return err; i++; } if (!component) return -EINVAL; return hdac_hdmi_jack_port_init(component, &card->dapm); } static const struct snd_kcontrol_new sof_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 sof_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SPK("Spk", NULL), }; static const struct snd_soc_dapm_widget dmic_widgets[] = { SND_SOC_DAPM_MIC("SoC DMIC", NULL), }; static const struct snd_soc_dapm_route sof_map[] = { /* HP jack connectors - unknown if we have jack detection */ { "Headphone Jack", NULL, "HPOL" }, { "Headphone Jack", NULL, "HPOR" }, /* other jacks */ { "IN1P", NULL, "Headset Mic" }, }; static const struct snd_soc_dapm_route speaker_map[] = { /* speaker */ { "Spk", NULL, "Speaker" }, }; static const struct snd_soc_dapm_route dmic_map[] = { /* digital mics */ {"DMic", NULL, "SoC DMIC"}, }; static int speaker_codec_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_card *card = rtd->card; int ret; ret = snd_soc_dapm_add_routes(&card->dapm, speaker_map, ARRAY_SIZE(speaker_map)); if (ret) dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret); return ret; } static int dmic_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_card *card = rtd->card; int ret; ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets, ARRAY_SIZE(dmic_widgets)); if (ret) { dev_err(card->dev, "DMic widget addition failed: %d\n", ret); /* Don't need to add routes if widget addition failed */ return ret; } ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map, ARRAY_SIZE(dmic_map)); if (ret) dev_err(card->dev, "DMic map addition failed: %d\n", ret); return ret; } /* sof audio machine driver for rt5682 codec */ static struct snd_soc_card sof_audio_card_rt5682 = { .name = "sof_rt5682", .owner = THIS_MODULE, .controls = sof_controls, .num_controls = ARRAY_SIZE(sof_controls), .dapm_widgets = sof_widgets, .num_dapm_widgets = ARRAY_SIZE(sof_widgets), .dapm_routes = sof_map, .num_dapm_routes = ARRAY_SIZE(sof_map), .fully_routed = true, .late_probe = sof_card_late_probe, }; static struct snd_soc_dai_link_component rt5682_component[] = { { .name = "i2c-10EC5682:00", .dai_name = "rt5682-aif1", } }; static struct snd_soc_dai_link_component dmic_component[] = { { .name = "dmic-codec", .dai_name = "dmic-hifi", } }; static struct snd_soc_dai_link_component max98357a_component[] = { { .name = "MX98357A:00", .dai_name = "HiFi", } }; static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev, int ssp_codec, int ssp_amp, int dmic_be_num, int hdmi_num) { struct snd_soc_dai_link_component *idisp_components; struct snd_soc_dai_link_component *cpus; struct snd_soc_dai_link *links; int i, id = 0; links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) * sof_audio_card_rt5682.num_links, GFP_KERNEL); cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) * sof_audio_card_rt5682.num_links, GFP_KERNEL); if (!links || !cpus) goto devm_err; /* codec SSP */ links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec); if (!links[id].name) goto devm_err; links[id].id = id; links[id].codecs = rt5682_component; links[id].num_codecs = ARRAY_SIZE(rt5682_component); links[id].platforms = platform_component; links[id].num_platforms = ARRAY_SIZE(platform_component); links[id].init = sof_rt5682_codec_init; links[id].ops = &sof_rt5682_ops; links[id].nonatomic = true; links[id].dpcm_playback = 1; links[id].dpcm_capture = 1; links[id].no_pcm = 1; links[id].cpus = &cpus[id]; links[id].num_cpus = 1; if (is_legacy_cpu) { links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "ssp%d-port", ssp_codec); if (!links[id].cpus->dai_name) goto devm_err; } else { /* * Currently, On SKL+ platforms MCLK will be turned off in sof * runtime suspended, and it will go into runtime suspended * right after playback is stop. However, rt5682 will output * static noise if sysclk turns off during playback. Set * ignore_pmdown_time to power down rt5682 immediately and * avoid the noise. * It can be removed once we can control MCLK by driver. */ links[id].ignore_pmdown_time = 1; links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_codec); if (!links[id].cpus->dai_name) goto devm_err; } id++; /* dmic */ if (dmic_be_num > 0) { /* at least we have dmic01 */ links[id].name = "dmic01"; links[id].cpus = &cpus[id]; links[id].cpus->dai_name = "DMIC01 Pin"; links[id].init = dmic_init; if (dmic_be_num > 1) { /* set up 2 BE links at most */ links[id + 1].name = "dmic16k"; links[id + 1].cpus = &cpus[id + 1]; links[id + 1].cpus->dai_name = "DMIC16k Pin"; dmic_be_num = 2; } } for (i = 0; i < dmic_be_num; i++) { links[id].id = id; links[id].num_cpus = 1; links[id].codecs = dmic_component; links[id].num_codecs = ARRAY_SIZE(dmic_component); links[id].platforms = platform_component; links[id].num_platforms = ARRAY_SIZE(platform_component); links[id].ignore_suspend = 1; links[id].dpcm_capture = 1; links[id].no_pcm = 1; id++; } /* HDMI */ if (hdmi_num > 0) { idisp_components = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) * hdmi_num, GFP_KERNEL); if (!idisp_components) goto devm_err; } for (i = 1; i <= hdmi_num; i++) { links[id].name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d", i); if (!links[id].name) goto devm_err; links[id].id = id; links[id].cpus = &cpus[id]; links[id].num_cpus = 1; links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d Pin", i); if (!links[id].cpus->dai_name) goto devm_err; idisp_components[i - 1].name = "ehdaudio0D2"; idisp_components[i - 1].dai_name = devm_kasprintf(dev, GFP_KERNEL, "intel-hdmi-hifi%d", i); if (!idisp_components[i - 1].dai_name) goto devm_err; links[id].codecs = &idisp_components[i - 1]; links[id].num_codecs = 1; links[id].platforms = platform_component; links[id].num_platforms = ARRAY_SIZE(platform_component); links[id].init = sof_hdmi_init; links[id].dpcm_playback = 1; links[id].no_pcm = 1; id++; } /* speaker amp */ if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT) { links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_amp); if (!links[id].name) goto devm_err; links[id].id = id; links[id].codecs = max98357a_component; links[id].num_codecs = ARRAY_SIZE(max98357a_component); links[id].platforms = platform_component; links[id].num_platforms = ARRAY_SIZE(platform_component); links[id].init = speaker_codec_init, links[id].nonatomic = true; links[id].dpcm_playback = 1; links[id].no_pcm = 1; links[id].cpus = &cpus[id]; links[id].num_cpus = 1; if (is_legacy_cpu) { links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "ssp%d-port", ssp_amp); if (!links[id].cpus->dai_name) goto devm_err; } else { links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_amp); if (!links[id].cpus->dai_name) goto devm_err; } } return links; devm_err: return NULL; } static int sof_audio_probe(struct platform_device *pdev) { struct snd_soc_dai_link *dai_links; struct snd_soc_acpi_mach *mach; struct sof_card_private *ctx; int dmic_be_num, hdmi_num; int ret, ssp_amp, ssp_codec; ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; if (pdev->id_entry && pdev->id_entry->driver_data) sof_rt5682_quirk = (unsigned long)pdev->id_entry->driver_data; dmi_check_system(sof_rt5682_quirk_table); mach = (&pdev->dev)->platform_data; /* A speaker amp might not be present when the quirk claims one is. * Detect this via whether the machine driver match includes quirk_data. */ if ((sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT) && !mach->quirk_data) sof_rt5682_quirk &= ~SOF_SPEAKER_AMP_PRESENT; if (soc_intel_is_byt() || soc_intel_is_cht()) { is_legacy_cpu = 1; dmic_be_num = 0; hdmi_num = 0; /* default quirk for legacy cpu */ sof_rt5682_quirk = SOF_RT5682_MCLK_EN | SOF_RT5682_MCLK_BYTCHT_EN | SOF_RT5682_SSP_CODEC(2); } else { dmic_be_num = 2; hdmi_num = (sof_rt5682_quirk & SOF_RT5682_NUM_HDMIDEV_MASK) >> SOF_RT5682_NUM_HDMIDEV_SHIFT; /* default number of HDMI DAI's */ if (!hdmi_num) hdmi_num = 3; } /* need to get main clock from pmc */ if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) { ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3"); if (IS_ERR(ctx->mclk)) { ret = PTR_ERR(ctx->mclk); dev_err(&pdev->dev, "Failed to get MCLK from pmc_plt_clk_3: %d\n", ret); return ret; } ret = clk_prepare_enable(ctx->mclk); if (ret < 0) { dev_err(&pdev->dev, "could not configure MCLK state"); return ret; } } dev_dbg(&pdev->dev, "sof_rt5682_quirk = %lx\n", sof_rt5682_quirk); ssp_amp = (sof_rt5682_quirk & SOF_RT5682_SSP_AMP_MASK) >> SOF_RT5682_SSP_AMP_SHIFT; ssp_codec = sof_rt5682_quirk & SOF_RT5682_SSP_CODEC_MASK; /* compute number of dai links */ sof_audio_card_rt5682.num_links = 1 + dmic_be_num + hdmi_num; if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT) sof_audio_card_rt5682.num_links++; dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp, dmic_be_num, hdmi_num); if (!dai_links) return -ENOMEM; sof_audio_card_rt5682.dai_link = dai_links; INIT_LIST_HEAD(&ctx->hdmi_pcm_list); sof_audio_card_rt5682.dev = &pdev->dev; /* set platform name for each dailink */ ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_rt5682, mach->mach_params.platform); if (ret) return ret; snd_soc_card_set_drvdata(&sof_audio_card_rt5682, ctx); return devm_snd_soc_register_card(&pdev->dev, &sof_audio_card_rt5682); } static int sof_rt5682_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct snd_soc_component *component = NULL; for_each_card_components(card, component) { if (!strcmp(component->name, rt5682_component[0].name)) { snd_soc_component_set_jack(component, NULL, NULL); break; } } return 0; } static const struct platform_device_id board_ids[] = { { .name = "sof_rt5682", }, { .name = "tgl_max98357a_rt5682", .driver_data = (kernel_ulong_t)(SOF_RT5682_MCLK_EN | SOF_RT5682_SSP_CODEC(0) | SOF_SPEAKER_AMP_PRESENT | SOF_RT5682_SSP_AMP(1) | SOF_RT5682_NUM_HDMIDEV(4)), }, { } }; static struct platform_driver sof_audio = { .probe = sof_audio_probe, .remove = sof_rt5682_remove, .driver = { .name = "sof_rt5682", .pm = &snd_soc_pm_ops, }, .id_table = board_ids, }; module_platform_driver(sof_audio) /* Module information */ MODULE_DESCRIPTION("SOF Audio Machine driver"); MODULE_AUTHOR("Bard Liao "); MODULE_AUTHOR("Sathya Prakash M R "); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:sof_rt5682"); MODULE_ALIAS("platform:tgl_max98357a_rt5682");