// SPDX-License-Identifier: GPL-2.0-only // Copyright(c) 2021 Intel Corporation. /* * Intel SOF Machine Driver with Cirrus Logic CS42L42 Codec * and speaker codec MAX98357A */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../../codecs/hdac_hdmi.h" #include "../common/soc-intel-quirks.h" #include "hda_dsp_common.h" #include "sof_maxim_common.h" #define NAME_SIZE 32 #define SOF_CS42L42_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0)) #define SOF_CS42L42_SSP_CODEC_MASK (GENMASK(2, 0)) #define SOF_SPEAKER_AMP_PRESENT BIT(3) #define SOF_CS42L42_SSP_AMP_SHIFT 4 #define SOF_CS42L42_SSP_AMP_MASK (GENMASK(6, 4)) #define SOF_CS42L42_SSP_AMP(quirk) \ (((quirk) << SOF_CS42L42_SSP_AMP_SHIFT) & SOF_CS42L42_SSP_AMP_MASK) #define SOF_CS42L42_NUM_HDMIDEV_SHIFT 7 #define SOF_CS42L42_NUM_HDMIDEV_MASK (GENMASK(9, 7)) #define SOF_CS42L42_NUM_HDMIDEV(quirk) \ (((quirk) << SOF_CS42L42_NUM_HDMIDEV_SHIFT) & SOF_CS42L42_NUM_HDMIDEV_MASK) #define SOF_MAX98357A_SPEAKER_AMP_PRESENT BIT(10) /* Default: SSP2 */ static unsigned long sof_cs42l42_quirk = SOF_CS42L42_SSP_CODEC(2); struct sof_hdmi_pcm { struct list_head head; struct snd_soc_dai *codec_dai; struct snd_soc_jack hdmi_jack; int device; }; struct sof_card_private { struct snd_soc_jack headset_jack; struct list_head hdmi_pcm_list; bool common_hdmi_codec_drv; }; 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 = asoc_rtd_to_codec(rtd, 0); 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_cs42l42_init(struct snd_soc_pcm_runtime *rtd) { struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; struct snd_soc_jack *jack = &ctx->headset_jack; int ret; /* * 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, jack, NULL, 0); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); return ret; } 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); 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 void sof_cs42l42_exit(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; snd_soc_component_set_jack(component, NULL, NULL); } static int sof_cs42l42_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 clk_freq, ret; clk_freq = 3072000; /* BCLK freq */ /* Configure sysclk for codec */ ret = snd_soc_dai_set_sysclk(codec_dai, 0, clk_freq, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); return ret; } static const struct snd_soc_ops sof_cs42l42_ops = { .hw_params = sof_cs42l42_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; if (list_empty(&ctx->hdmi_pcm_list)) return -EINVAL; if (ctx->common_hdmi_codec_drv) { pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head); component = pcm->codec_dai->component; return hda_dsp_hdmi_build_controls(card, component); } 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, &pcm->hdmi_jack, NULL, 0); if (err) return err; err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, &pcm->hdmi_jack); if (err < 0) return err; } 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"), }; static const struct snd_soc_dapm_widget sof_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", 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, "HP"}, /* other jacks */ {"HS", NULL, "Headset Mic"}, }; static const struct snd_soc_dapm_route dmic_map[] = { /* digital mics */ {"DMic", NULL, "SoC DMIC"}, }; 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 cs42l42 codec */ static struct snd_soc_card sof_audio_card_cs42l42 = { .name = "cs42l42", /* the sof- prefix is added by the core */ .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 cs42l42_component[] = { { .name = "i2c-10134242:00", .dai_name = "cs42l42", } }; static struct snd_soc_dai_link_component dmic_component[] = { { .name = "dmic-codec", .dai_name = "dmic-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_cs42l42.num_links, GFP_KERNEL); cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) * sof_audio_card_cs42l42.num_links, GFP_KERNEL); if (!links || !cpus) goto devm_err; /* speaker amp */ if (sof_cs42l42_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; if (sof_cs42l42_quirk & SOF_MAX98357A_SPEAKER_AMP_PRESENT) { max_98357a_dai_link(&links[id]); } else { dev_err(dev, "no amp defined\n"); goto devm_err; } links[id].platforms = platform_component; links[id].num_platforms = ARRAY_SIZE(platform_component); links[id].dpcm_playback = 1; links[id].no_pcm = 1; links[id].cpus = &cpus[id]; links[id].num_cpus = 1; links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_amp); if (!links[id].cpus->dai_name) goto devm_err; id++; } /* 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 = cs42l42_component; links[id].num_codecs = ARRAY_SIZE(cs42l42_component); links[id].platforms = platform_component; links[id].num_platforms = ARRAY_SIZE(platform_component); links[id].init = sof_cs42l42_init; links[id].exit = sof_cs42l42_exit; links[id].ops = &sof_cs42l42_ops; 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; 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++; } 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_cs42l42_quirk = (unsigned long)pdev->id_entry->driver_data; mach = pdev->dev.platform_data; if (soc_intel_is_glk()) { dmic_be_num = 1; hdmi_num = 3; } else { dmic_be_num = 2; hdmi_num = (sof_cs42l42_quirk & SOF_CS42L42_NUM_HDMIDEV_MASK) >> SOF_CS42L42_NUM_HDMIDEV_SHIFT; /* default number of HDMI DAI's */ if (!hdmi_num) hdmi_num = 3; } dev_dbg(&pdev->dev, "sof_cs42l42_quirk = %lx\n", sof_cs42l42_quirk); ssp_amp = (sof_cs42l42_quirk & SOF_CS42L42_SSP_AMP_MASK) >> SOF_CS42L42_SSP_AMP_SHIFT; ssp_codec = sof_cs42l42_quirk & SOF_CS42L42_SSP_CODEC_MASK; /* compute number of dai links */ sof_audio_card_cs42l42.num_links = 1 + dmic_be_num + hdmi_num; if (sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT) sof_audio_card_cs42l42.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_cs42l42.dai_link = dai_links; INIT_LIST_HEAD(&ctx->hdmi_pcm_list); sof_audio_card_cs42l42.dev = &pdev->dev; /* set platform name for each dailink */ ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_cs42l42, mach->mach_params.platform); if (ret) return ret; ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv; snd_soc_card_set_drvdata(&sof_audio_card_cs42l42, ctx); return devm_snd_soc_register_card(&pdev->dev, &sof_audio_card_cs42l42); } static const struct platform_device_id board_ids[] = { { .name = "glk_cs4242_mx98357a", .driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(2) | SOF_SPEAKER_AMP_PRESENT | SOF_MAX98357A_SPEAKER_AMP_PRESENT | SOF_CS42L42_SSP_AMP(1)), }, { } }; MODULE_DEVICE_TABLE(platform, board_ids); static struct platform_driver sof_audio = { .probe = sof_audio_probe, .driver = { .name = "sof_cs42l42", .pm = &snd_soc_pm_ops, }, .id_table = board_ids, }; module_platform_driver(sof_audio) /* Module information */ MODULE_DESCRIPTION("SOF Audio Machine driver for CS42L42"); MODULE_AUTHOR("Brent Lu "); MODULE_LICENSE("GPL"); MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON); MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);