--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * intel-dsp-config.h - Intel DSP config
+ *
+ * Copyright (c) 2019 Jaroslav Kysela <perex@perex.cz>
+ */
+
+#ifndef __INTEL_DSP_CONFIG_H__
+#define __INTEL_DSP_CONFIG_H__
+
+struct pci_dev;
+
+enum {
+ SND_INTEL_DSP_DRIVER_ANY = 0,
+ SND_INTEL_DSP_DRIVER_LEGACY,
+ SND_INTEL_DSP_DRIVER_SST,
+ SND_INTEL_DSP_DRIVER_SOF,
+ SND_INTEL_DSP_DRIVER_LAST = SND_INTEL_DSP_DRIVER_SOF
+};
+
+#if IS_ENABLED(CONFIG_SND_INTEL_DSP_CONFIG)
+
+int snd_intel_dsp_driver_probe(struct pci_dev *pci);
+
+#else
+
+static inline int snd_intel_dsp_driver_probe(struct pci_dev *pci)
+{
+ return SND_INTEL_DSP_DRIVER_ANY;
+}
+
+#endif
+
+#endif
via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
config SND_INTEL_NHLT
- tristate
+ bool
# this config should be selected only for Intel ACPI platforms.
- # A fallback is provided so that the code compiles in all cases.
\ No newline at end of file
+ # A fallback is provided so that the code compiles in all cases.
+
+config SND_INTEL_DSP_CONFIG
+ tristate
+ select SND_INTEL_NHLT if ACPI
+ # this config should be selected only for Intel DSP platforms.
+ # A fallback is provided so that the code compiles in all cases.
#extended hda
obj-$(CONFIG_SND_HDA_EXT_CORE) += ext/
-snd-intel-nhlt-objs := intel-nhlt.o
-obj-$(CONFIG_SND_INTEL_NHLT) += snd-intel-nhlt.o
+snd-intel-dspcfg-objs := intel-dsp-config.o
+snd-intel-dspcfg-$(CONFIG_SND_INTEL_NHLT) += intel-nhlt.o
+obj-$(CONFIG_SND_INTEL_DSP_CONFIG) += snd-intel-dspcfg.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Jaroslav Kysela <perex@perex.cz>
+
+#include <linux/bits.h>
+#include <linux/dmi.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include <sound/intel-dsp-config.h>
+#include <sound/intel-nhlt.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_SOF_ONLY_IF_DMIC BIT(16)
+
+struct config_entry {
+ u32 flags;
+ u16 device;
+ const struct dmi_system_id *dmi_table;
+};
+
+/*
+ * configuration table
+ * - the order of similar PCI ID entries is important!
+ * - the first successful match will win
+ */
+static const struct config_entry config_table[] = {
+/* Cometlake-LP */
+#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CML_LP)
+ {
+ /* prefer SST */
+ .flags = FLAG_SST,
+ .device = 0x02c8,
+ },
+#elif IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE_LP)
+ {
+ .flags = FLAG_SOF,
+ .device = 0x02c8,
+ },
+#endif
+/* Cometlake-H */
+#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CML_H)
+ {
+ .flags = FLAG_SST,
+ .device = 0x06c8,
+ },
+#elif IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE_H)
+ {
+ .flags = FLAG_SOF,
+ .device = 0x06c8,
+ },
+#endif
+/* 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 | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x1a98,
+ },
+#endif
+/* 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"),
+ }
+ },
+ {}
+ }
+ },
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_INTEL_GLK)
+ {
+ .flags = FLAG_SST,
+ .device = 0x3198,
+ },
+#endif
+/* Icelake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x34c8,
+ },
+#endif
+/* Elkhart Lake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x4b55,
+ },
+#endif
+/* Appololake (Broxton-P) */
+#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"),
+ }
+ },
+ {}
+ }
+ },
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL)
+ {
+ .flags = FLAG_SST,
+ .device = 0x5a98,
+ },
+#endif
+/* Cannonlake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x9dc8,
+ },
+#endif
+/* Sunrise Point-LP */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x9d70,
+ },
+#endif
+/* Kabylake-LP */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0x9d71,
+ },
+#endif
+/* Tigerlake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0xa0c8,
+ },
+#endif
+/* Coffelake */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
+ .device = 0xa348,
+ },
+#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;
+ 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_get_dmic_geo(&pci->dev, nhlt))
+ ret = 1;
+ intel_nhlt_free(nhlt);
+ }
+ return ret;
+}
+
+int snd_intel_dsp_driver_probe(struct pci_dev *pci)
+{
+ const struct config_entry *cfg;
+
+ if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
+ return dsp_driver;
+
+ /* Intel vendor only */
+ if (snd_BUG_ON(pci->vendor != 0x8086))
+ return SND_INTEL_DSP_DRIVER_ANY;
+
+ /*
+ * 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 HDA 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_DMIC) {
+ if (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;
+ }
+ } else {
+ return SND_INTEL_DSP_DRIVER_SOF;
+ }
+ }
+
+ if (cfg->flags & FLAG_SST)
+ return SND_INTEL_DSP_DRIVER_SST;
+
+ return SND_INTEL_DSP_DRIVER_LEGACY;
+}
+EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Intel DSP config driver");
return dmic_geo;
}
EXPORT_SYMBOL_GPL(intel_nhlt_get_dmic_geo);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("Intel NHLT driver");
tristate "HD Audio PCI"
depends on SND_PCI
select SND_HDA
- select SND_INTEL_NHLT if ACPI
+ select SND_INTEL_DSP_CONFIG
help
Say Y here to include support for Intel "High Definition
Audio" (Azalia) and its compatible devices.
To compile this driver as a module, choose M here: the module
will be called snd-hda-intel.
-config SND_HDA_INTEL_DETECT_DMIC
- bool "DMIC detection and probe abort"
- depends on SND_HDA_INTEL
- help
- Say Y to detect digital microphones on SKL+ devices. DMICs
- cannot be handled by the HDaudio legacy driver and are
- currently only supported by the SOF driver.
- If unsure say N.
-
config SND_HDA_TEGRA
tristate "NVIDIA Tegra HD Audio"
depends on ARCH_TEGRA
#include <sound/initval.h>
#include <sound/hdaudio.h>
#include <sound/hda_i915.h>
-#include <sound/intel-nhlt.h>
+#include <sound/intel-dsp-config.h>
#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
#include <linux/firmware.h>
static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
CONFIG_SND_HDA_INPUT_BEEP_MODE};
#endif
-static bool dmic_detect = IS_ENABLED(CONFIG_SND_HDA_INTEL_DETECT_DMIC);
+static bool dsp_driver = 1;
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
"(0=off, 1=on) (default=1).");
#endif
-module_param(dmic_detect, bool, 0444);
-MODULE_PARM_DESC(dmic_detect, "DMIC detect on SKL+ platforms");
+module_param(dsp_driver, bool, 0444);
+MODULE_PARM_DESC(dsp_driver, "Allow DSP driver selection (bypass this driver) "
+ "(0=off, 1=on) (default=1)");
#ifdef CONFIG_PM
static int param_set_xint(const char *val, const struct kernel_param *kp);
.position_check = azx_position_check,
};
-static int azx_check_dmic(struct pci_dev *pci, struct azx *chip)
-{
- struct nhlt_acpi_table *nhlt;
- int ret = 0;
-
- if (chip->driver_type == AZX_DRIVER_SKL &&
- pci->class != 0x040300) {
- nhlt = intel_nhlt_init(&pci->dev);
- if (nhlt) {
- if (intel_nhlt_get_dmic_geo(&pci->dev, nhlt)) {
- ret = -ENODEV;
- dev_info(&pci->dev, "Digital mics found on Skylake+ platform, aborting probe\n");
- }
- intel_nhlt_free(nhlt);
- }
- }
- return ret;
-}
-
static int azx_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
return -ENOENT;
}
+ /*
+ * stop probe if another Intel's DSP driver should be activated
+ */
+ if (dsp_driver) {
+ err = snd_intel_dsp_driver_probe(pci);
+ if (err != SND_INTEL_DSP_DRIVER_ANY &&
+ err != SND_INTEL_DSP_DRIVER_LEGACY)
+ return -ENODEV;
+ }
+
err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
0, &card);
if (err < 0) {
card->private_data = chip;
hda = container_of(chip, struct hda_intel, chip);
- /*
- * stop probe if digital microphones detected on Skylake+ platform
- * with the DSP enabled. This is an opt-in behavior defined at build
- * time or at run-time with a module parameter
- */
- if (dmic_detect) {
- err = azx_check_dmic(pci, chip);
- if (err < 0)
- goto out_free;
- }
-
pci_set_drvdata(pci, card);
err = register_vga_switcheroo(chip);
select SND_SOC_INTEL_SST
select SND_SOC_HDAC_HDA if SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC
select SND_SOC_ACPI_INTEL_MATCH
- select SND_INTEL_NHLT if ACPI
+ select SND_INTEL_DSP_CONFIG
help
If you have a Intel Skylake/Broxton/ApolloLake/KabyLake/
GeminiLake or CannonLake platform with the DSP enabled in the BIOS
#include <sound/hda_i915.h>
#include <sound/hda_codec.h>
#include <sound/intel-nhlt.h>
+#include <sound/intel-dsp-config.h>
#include "skl.h"
#include "skl-sst-dsp.h"
#include "skl-sst-ipc.h"
switch (skl_pci_binding) {
case SND_SKL_PCI_BIND_AUTO:
- /*
- * 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) {
- dev_info(&pci->dev, "The DSP is not enabled on this platform, aborting probe\n");
+ err = snd_intel_dsp_driver_probe(pci);
+ if (err != SND_INTEL_DSP_DRIVER_ANY &&
+ err != SND_INTEL_DSP_DRIVER_SST)
return -ENODEV;
- }
- if (pci->class != 0x040100 && pci->class != 0x040380) {
- dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, aborting probe\n", pci->class);
- return -ENODEV;
- }
- dev_info(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class);
break;
case SND_SKL_PCI_BIND_LEGACY:
dev_info(&pci->dev, "Module parameter forced binding with HDaudio legacy, aborting probe\n");
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 if ACPI
+ select SND_INTEL_DSP_CONFIG
help
This option is not user-selectable but automagically handled by
'select' statements at a higher level
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
+#include <sound/intel-dsp-config.h>
#include <sound/soc-acpi.h>
#include <sound/soc-acpi-intel-match.h>
#include <sound/sof.h>
const struct snd_sof_dsp_ops *ops;
int ret;
+ ret = snd_intel_dsp_driver_probe(pci);
+ if (ret != SND_INTEL_DSP_DRIVER_ANY &&
+ ret != SND_INTEL_DSP_DRIVER_SOF)
+ return -ENODEV;
+
dev_dbg(&pci->dev, "PCI DSP detected");
/* get ops for platform */
projects / users / jedix / linux-maple.git / commitdiff