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-rw-r--r--sound/hda/intel-dsp-config.c731
1 files changed, 731 insertions, 0 deletions
diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c
new file mode 100644
index 000000000..bc03b5692
--- /dev/null
+++ b/sound/hda/intel-dsp-config.c
@@ -0,0 +1,731 @@
+// 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 = 0x119a,
+ },
+#endif
+/* Broxton-T */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
+ {
+ .flags = FLAG_SOF,
+ .device = 0x1a98,
+ },
+#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 = 0x5a98,
+ .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 = 0x5a98,
+ .codec_hid = &essx_83x6,
+ },
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL)
+ {
+ .flags = FLAG_SST,
+ .device = 0x5a98,
+ .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 = 0x9d70,
+ .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 = 0x9d70,
+ },
+#endif
+/* Kabylake-LP */
+#if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL)
+ {
+ .flags = FLAG_SST,
+ .device = 0x9d71,
+ .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 = 0x9d71,
+ },
+#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 = 0x3198,
+ .dmi_table = (const struct dmi_system_id []) {
+ {
+ .ident = "Google Chromebooks",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+ }
+ },
+ {}
+ }
+ },
+ {
+ .flags = FLAG_SOF,
+ .device = 0x3198,
+ .codec_hid = &essx_83x6,
+ },
+#endif
+
+/*
+ * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake 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 = 0x9dc8,
+ .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 = 0x09dc8,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x9dc8,
+ },
+#endif
+
+/* Coffelake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
+ {
+ .flags = FLAG_SOF,
+ .device = 0xa348,
+ .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 = 0xa348,
+ },
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
+/* Cometlake-LP */
+ {
+ .flags = FLAG_SOF,
+ .device = 0x02c8,
+ .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 = 0x02c8,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x02c8,
+ },
+/* Cometlake-H */
+ {
+ .flags = FLAG_SOF,
+ .device = 0x06c8,
+ .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 = 0x06c8,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x06c8,
+ },
+#endif
+
+/* Icelake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
+ {
+ .flags = FLAG_SOF,
+ .device = 0x34c8,
+ .dmi_table = (const struct dmi_system_id []) {
+ {
+ .ident = "Google Chromebooks",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+ }
+ },
+ {}
+ }
+ },
+ {
+ .flags = FLAG_SOF,
+ .device = 0x34c8,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x34c8,
+ },
+#endif
+
+/* Jasper Lake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE)
+ {
+ .flags = FLAG_SOF,
+ .device = 0x4dc8,
+ .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 = 0x4dc8,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x4dc8,
+ },
+#endif
+
+/* Tigerlake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
+ {
+ .flags = FLAG_SOF,
+ .device = 0xa0c8,
+ .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 = 0xa0c8,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0xa0c8,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x43c8,
+ },
+#endif
+
+/* Elkhart Lake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x4b55,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x4b58,
+ },
+#endif
+
+/* Alder Lake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE)
+ /* Alderlake-S */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x7ad0,
+ },
+ /* RaptorLake-S */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x7a50,
+ },
+ /* Alderlake-P */
+ {
+ .flags = FLAG_SOF,
+ .device = 0x51c8,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51c8,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51cd,
+ },
+ /* Alderlake-PS */
+ {
+ .flags = FLAG_SOF,
+ .device = 0x51c9,
+ .codec_hid = &essx_83x6,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51c9,
+ },
+ /* Alderlake-M */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51cc,
+ },
+ /* Alderlake-N */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x54c8,
+ },
+ /* RaptorLake-P */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51ca,
+ },
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51cb,
+ },
+ /* RaptorLake-M */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51ce,
+ },
+ /* RaptorLake-PX */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51cf,
+ },
+#endif
+
+/* Meteor Lake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_METEORLAKE)
+ /* Meteorlake-P */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x7e28,
+ },
+#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 != 0x8086)
+ 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 0x160c: /* Broadwell */
+ case 0x0a0c: /* Haswell */
+ case 0x0c0c:
+ case 0x0d0c:
+ case 0x0f04: /* Baytrail */
+ case 0x2284: /* Braswell */
+ 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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 09:13:35 +0000