diff --git a/sound/soc/sof/intel/Kconfig b/sound/soc/sof/intel/Kconfig index dd14ce92fe10..545071afbe18 100644 --- a/sound/soc/sof/intel/Kconfig +++ b/sound/soc/sof/intel/Kconfig @@ -254,6 +254,7 @@ config SND_SOC_SOF_HDA tristate select SND_HDA_EXT_CORE if SND_SOC_SOF_HDA_LINK select SND_SOC_HDAC_HDA if SND_SOC_SOF_HDA_AUDIO_CODEC + select SND_INTEL_NHLT help This option is not user-selectable but automagically handled by 'select' statements at a higher level diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 28eb780494aa..c97c004afa43 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -19,6 +19,7 @@ #include #include +#include #include #include #include "../ops.h" @@ -49,6 +50,12 @@ module_param_named(use_msi, hda_use_msi, bool, 0444); MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); #endif +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) +static int hda_dmic_num = -1; +module_param_named(dmic_num, hda_dmic_num, int, 0444); +MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); +#endif + static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, @@ -283,8 +290,26 @@ static int hda_init(struct snd_sof_dev *sdev) #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) +static int check_nhlt_dmic(struct snd_sof_dev *sdev) +{ + struct nhlt_acpi_table *nhlt; + int dmic_num; + + nhlt = intel_nhlt_init(sdev->dev); + if (nhlt) { + dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); + intel_nhlt_free(nhlt); + if (dmic_num == 2 || dmic_num == 4) + return dmic_num; + } + + return 0; +} + static const char *fixup_tplg_name(struct snd_sof_dev *sdev, - const char *sof_tplg_filename) + const char *sof_tplg_filename, + const char *idisp_str, + const char *dmic_str) { const char *tplg_filename = NULL; char *filename; @@ -298,7 +323,8 @@ static const char *fixup_tplg_name(struct snd_sof_dev *sdev, split_ext = strsep(&filename, "."); if (split_ext) { tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, - "%s-idisp.tplg", split_ext); + "%s%s%s.tplg", + split_ext, idisp_str, dmic_str); if (!tplg_filename) return NULL; } @@ -317,6 +343,9 @@ static int hda_init_caps(struct snd_sof_dev *sdev) struct snd_sof_pdata *pdata = sdev->pdata; struct snd_soc_acpi_mach *mach; const char *tplg_filename; + const char *idisp_str; + const char *dmic_str; + int dmic_num; int codec_num = 0; int i; #endif @@ -381,17 +410,39 @@ static int hda_init_caps(struct snd_sof_dev *sdev) dev_info(bus->dev, "using HDA machine driver %s now\n", hda_mach->drv_name); - /* fixup topology file for HDMI only platforms */ - if (codec_num == 1) { - /* use local variable for readability */ - tplg_filename = pdata->tplg_filename; - tplg_filename = fixup_tplg_name(sdev, tplg_filename); - if (!tplg_filename) { - hda_codec_i915_exit(sdev); - return ret; - } - pdata->tplg_filename = tplg_filename; + if (codec_num == 1) + idisp_str = "-idisp"; + else + idisp_str = ""; + + /* first check NHLT for DMICs */ + dmic_num = check_nhlt_dmic(sdev); + + /* allow for module parameter override */ + if (hda_dmic_num != -1) + dmic_num = hda_dmic_num; + + switch (dmic_num) { + case 2: + dmic_str = "-2ch"; + break; + case 4: + dmic_str = "-4ch"; + break; + default: + dmic_num = 0; + dmic_str = ""; + break; } + + tplg_filename = pdata->tplg_filename; + tplg_filename = fixup_tplg_name(sdev, tplg_filename, + idisp_str, dmic_str); + if (!tplg_filename) { + hda_codec_i915_exit(sdev); + return ret; + } + pdata->tplg_filename = tplg_filename; } }