diff options
Diffstat (limited to 'sound/hda/intel-dsp-config.c')
| -rw-r--r-- | sound/hda/intel-dsp-config.c | 767 |
1 files changed, 767 insertions, 0 deletions
diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c new file mode 100644 index 0000000000..756fa0aa69 --- /dev/null +++ b/sound/hda/intel-dsp-config.c @@ -0,0 +1,767 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2019 Jaroslav Kysela <perex@perex.cz> + +#include <linux/acpi.h> +#include <linux/bits.h> +#include <linux/dmi.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_intel.h> +#include <sound/core.h> +#include <sound/intel-dsp-config.h> +#include <sound/intel-nhlt.h> +#include <sound/soc-acpi.h> + +static int dsp_driver; + +module_param(dsp_driver, int, 0444); +MODULE_PARM_DESC(dsp_driver, "Force the DSP driver for Intel DSP (0=auto, 1=legacy, 2=SST, 3=SOF)"); + +#define FLAG_SST BIT(0) +#define FLAG_SOF BIT(1) +#define FLAG_SST_ONLY_IF_DMIC BIT(15) +#define FLAG_SOF_ONLY_IF_DMIC BIT(16) +#define FLAG_SOF_ONLY_IF_SOUNDWIRE BIT(17) + +#define FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE (FLAG_SOF_ONLY_IF_DMIC | \ + FLAG_SOF_ONLY_IF_SOUNDWIRE) + +struct config_entry { + u32 flags; + u16 device; + u8 acpi_hid[ACPI_ID_LEN]; + const struct dmi_system_id *dmi_table; + const struct snd_soc_acpi_codecs *codec_hid; +}; + +static const struct snd_soc_acpi_codecs __maybe_unused essx_83x6 = { + .num_codecs = 3, + .codecs = { "ESSX8316", "ESSX8326", "ESSX8336"}, +}; + +/* + * configuration table + * - the order of similar PCI ID entries is important! + * - the first successful match will win + */ +static const struct config_entry config_table[] = { +/* Merrifield */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_SST_TNG, + }, +#endif +/* + * Apollolake (Broxton-P) + * the legacy HDAudio driver is used except on Up Squared (SOF) and + * Chromebooks (SST), as well as devices based on the ES8336 codec + */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_APL, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Up Squared", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), + DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_APL, + .codec_hid = &essx_83x6, + }, +#endif +#if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL) + { + .flags = FLAG_SST, + .device = PCI_DEVICE_ID_INTEL_HDA_APL, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, +#endif +/* + * Skylake and Kabylake use legacy HDAudio driver except for Google + * Chromebooks (SST) + */ + +/* Sunrise Point-LP */ +#if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKL) + { + .flags = FLAG_SST, + .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC, + .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP, + }, +#endif +/* Kabylake-LP */ +#if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL) + { + .flags = FLAG_SST, + .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC, + .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP, + }, +#endif + +/* + * Geminilake uses legacy HDAudio driver except for Google + * Chromebooks and devices based on the ES8336 codec + */ +/* Geminilake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_GML, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_GML, + .codec_hid = &essx_83x6, + }, +#endif + +/* + * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake, AlderLake, + * RaptorLake use legacy HDAudio driver except for Google Chromebooks + * and when DMICs are present. Two cases are required since Coreboot + * does not expose NHLT tables. + * + * When the Chromebook quirk is not present, it's based on information + * that no such device exists. When the quirk is present, it could be + * either based on product information or a placeholder. + */ + +/* Cannonlake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + { + .ident = "UP-WHL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP, + }, +#endif + +/* Coffelake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H, + }, +#endif + +#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE) +/* Cometlake-LP */ + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6") + }, + }, + { + /* early version of SKU 09C6 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983") + }, + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP, + }, +/* Cometlake-H */ + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_CML_H, + .dmi_table = (const struct dmi_system_id []) { + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"), + }, + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_CML_H, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_CML_H, + }, +#endif + +/* Icelake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP, + }, +#endif + +/* Jasper Lake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + { + .ident = "Google firmware", + .matches = { + DMI_MATCH(DMI_BIOS_VERSION, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, + .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N, + }, +#endif + +/* Tigerlake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE) + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + { + .ident = "UPX-TGL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_TGL_H, + }, +#endif + +/* Elkhart Lake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE) + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, + .device = PCI_DEVICE_ID_INTEL_HDA_EHL_0, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, + .device = PCI_DEVICE_ID_INTEL_HDA_EHL_3, + }, +#endif + +/* Alder Lake / Raptor Lake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE) + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_S, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_RPL_S, + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PX, + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS, + .codec_hid = &essx_83x6, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_M, + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N, + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0, + }, + { + .flags = FLAG_SOF, + .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1, + .dmi_table = (const struct dmi_system_id []) { + { + .ident = "Google Chromebooks", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + } + }, + {} + } + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_RPL_M, + }, + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_RPL_PX, + }, +#endif + +/* Meteor Lake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_METEORLAKE) + /* Meteorlake-P */ + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_MTL, + }, +#endif + +/* Lunar Lake */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_LUNARLAKE) + /* Lunarlake-P */ + { + .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, + .device = PCI_DEVICE_ID_INTEL_HDA_LNL_P, + }, +#endif +}; + +static const struct config_entry *snd_intel_dsp_find_config + (struct pci_dev *pci, const struct config_entry *table, u32 len) +{ + u16 device; + + device = pci->device; + for (; len > 0; len--, table++) { + if (table->device != device) + continue; + if (table->dmi_table && !dmi_check_system(table->dmi_table)) + continue; + if (table->codec_hid) { + int i; + + for (i = 0; i < table->codec_hid->num_codecs; i++) + if (acpi_dev_present(table->codec_hid->codecs[i], NULL, -1)) + break; + if (i == table->codec_hid->num_codecs) + continue; + } + return table; + } + return NULL; +} + +static int snd_intel_dsp_check_dmic(struct pci_dev *pci) +{ + struct nhlt_acpi_table *nhlt; + int ret = 0; + + nhlt = intel_nhlt_init(&pci->dev); + if (nhlt) { + if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_DMIC)) + ret = 1; + intel_nhlt_free(nhlt); + } + return ret; +} + +#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) +static int snd_intel_dsp_check_soundwire(struct pci_dev *pci) +{ + struct sdw_intel_acpi_info info; + acpi_handle handle; + int ret; + + handle = ACPI_HANDLE(&pci->dev); + + ret = sdw_intel_acpi_scan(handle, &info); + if (ret < 0) + return ret; + + return info.link_mask; +} +#else +static int snd_intel_dsp_check_soundwire(struct pci_dev *pci) +{ + return 0; +} +#endif + +int snd_intel_dsp_driver_probe(struct pci_dev *pci) +{ + const struct config_entry *cfg; + + /* Intel vendor only */ + if (pci->vendor != PCI_VENDOR_ID_INTEL) + return SND_INTEL_DSP_DRIVER_ANY; + + /* + * Legacy devices don't have a PCI-based DSP and use HDaudio + * for HDMI/DP support, ignore kernel parameter + */ + switch (pci->device) { + case PCI_DEVICE_ID_INTEL_HDA_BDW: + case PCI_DEVICE_ID_INTEL_HDA_HSW_0: + case PCI_DEVICE_ID_INTEL_HDA_HSW_2: + case PCI_DEVICE_ID_INTEL_HDA_HSW_3: + case PCI_DEVICE_ID_INTEL_HDA_BYT: + case PCI_DEVICE_ID_INTEL_HDA_BSW: + return SND_INTEL_DSP_DRIVER_ANY; + } + + if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST) + return dsp_driver; + + /* + * detect DSP by checking class/subclass/prog-id information + * class=04 subclass 03 prog-if 00: no DSP, use legacy driver + * class=04 subclass 01 prog-if 00: DSP is present + * (and may be required e.g. for DMIC or SSP support) + * class=04 subclass 03 prog-if 80: use DSP or legacy mode + */ + if (pci->class == 0x040300) + return SND_INTEL_DSP_DRIVER_LEGACY; + if (pci->class != 0x040100 && pci->class != 0x040380) { + dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class); + return SND_INTEL_DSP_DRIVER_LEGACY; + } + + dev_info(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class); + + /* find the configuration for the specific device */ + cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table)); + if (!cfg) + return SND_INTEL_DSP_DRIVER_ANY; + + if (cfg->flags & FLAG_SOF) { + if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE && + snd_intel_dsp_check_soundwire(pci) > 0) { + dev_info(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n"); + return SND_INTEL_DSP_DRIVER_SOF; + } + if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC && + snd_intel_dsp_check_dmic(pci)) { + dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n"); + return SND_INTEL_DSP_DRIVER_SOF; + } + if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE)) + return SND_INTEL_DSP_DRIVER_SOF; + } + + + if (cfg->flags & FLAG_SST) { + if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) { + if (snd_intel_dsp_check_dmic(pci)) { + dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n"); + return SND_INTEL_DSP_DRIVER_SST; + } + } else { + return SND_INTEL_DSP_DRIVER_SST; + } + } + + return SND_INTEL_DSP_DRIVER_LEGACY; +} +EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe); + +/* Should we default to SOF or SST for BYT/CHT ? */ +#if IS_ENABLED(CONFIG_SND_INTEL_BYT_PREFER_SOF) || \ + !IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) +#define FLAG_SST_OR_SOF_BYT FLAG_SOF +#else +#define FLAG_SST_OR_SOF_BYT FLAG_SST +#endif + +/* + * configuration table + * - the order of similar ACPI ID entries is important! + * - the first successful match will win + */ +static const struct config_entry acpi_config_table[] = { +#if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) || \ + IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) +/* BayTrail */ + { + .flags = FLAG_SST_OR_SOF_BYT, + .acpi_hid = "80860F28", + }, +/* CherryTrail */ + { + .flags = FLAG_SST_OR_SOF_BYT, + .acpi_hid = "808622A8", + }, +#endif +/* Broadwell */ +#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT) + { + .flags = FLAG_SST, + .acpi_hid = "INT3438" + }, +#endif +#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL) + { + .flags = FLAG_SOF, + .acpi_hid = "INT3438" + }, +#endif +/* Haswell - not supported by SOF but added for consistency */ +#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT) + { + .flags = FLAG_SST, + .acpi_hid = "INT33C8" + }, +#endif +}; + +static const struct config_entry *snd_intel_acpi_dsp_find_config(const u8 acpi_hid[ACPI_ID_LEN], + const struct config_entry *table, + u32 len) +{ + for (; len > 0; len--, table++) { + if (memcmp(table->acpi_hid, acpi_hid, ACPI_ID_LEN)) + continue; + if (table->dmi_table && !dmi_check_system(table->dmi_table)) + continue; + return table; + } + return NULL; +} + +int snd_intel_acpi_dsp_driver_probe(struct device *dev, const u8 acpi_hid[ACPI_ID_LEN]) +{ + const struct config_entry *cfg; + + if (dsp_driver > SND_INTEL_DSP_DRIVER_LEGACY && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST) + return dsp_driver; + + if (dsp_driver == SND_INTEL_DSP_DRIVER_LEGACY) { + dev_warn(dev, "dsp_driver parameter %d not supported, using automatic detection\n", + SND_INTEL_DSP_DRIVER_LEGACY); + } + + /* find the configuration for the specific device */ + cfg = snd_intel_acpi_dsp_find_config(acpi_hid, acpi_config_table, + ARRAY_SIZE(acpi_config_table)); + if (!cfg) + return SND_INTEL_DSP_DRIVER_ANY; + + if (cfg->flags & FLAG_SST) + return SND_INTEL_DSP_DRIVER_SST; + + if (cfg->flags & FLAG_SOF) + return SND_INTEL_DSP_DRIVER_SOF; + + return SND_INTEL_DSP_DRIVER_SST; +} +EXPORT_SYMBOL_GPL(snd_intel_acpi_dsp_driver_probe); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Intel DSP config driver"); +MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); |