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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
| commit | 4352b8aee98005853aa63f57d6377282de17a33f (patch) | |
| tree | 27614d7a9ef05c32d089004e104364ce42324837 /sound/soc/sof/sof-pci-dev.c | |
| download | linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.tar.gz linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.zip | |
Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni:
"A new driver this cycle, for the AMD AXI I3C controller.
There are also new features such as IBI wakeup support, SETAASA device
discovery and ACPI support for the the DAA methods, meaning we can now
communicate with the SPD devices on DDR5 modules.
New driver:
- AMD AXI I3C master controller
Subsystem:
- I3C Common Command Code (CCC) handling improvements, especially
around GET CCCs
- SETAASA device discovery support
- ACPI support for all existing DAA methods like SETDASA, SETNEWDA as
well as I2C devices on I3C bus
- IBI-based wakeup support
Drivers:
- dw: SETAASA support
- mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C
controller support, PIO queue management support for HCI v1.2
- renesas: improve suspend to RAM support, add runtime PM support"
* tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits)
i3c: dw: reduce do_daa time if there's no client
i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller
i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2
i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode
i3c: dw: rename "pclk" to "apb" to match dt-binding
i3c: dw: make struct dw_i3c_cmd smaller
i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding
i3c: renesas: Don't register devices when ENTDAA times out
i3c: master: dw-i3c-master: fix OD timing for first broadcast
i3c: mipi-i3c-hci: Advertise IBI wakeup capability
i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev()
i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI
i3c: master: Reject IBI requests from non-IBI-capable devices
i3c: master: Add helper to query bus wakeup requirements
i3c: master: Report wakeup events for IBIs
i3c: master: Support IBI-based wakeup capability
i3c: master: Fix potential UAF in i3c_device_match()
i3c: master: Fix potential UAF in i3c_device_uevent()
i3c: Make dev->desc locking assumptions explicit
i3c: master: Fix use-after-free of master->this
...
Diffstat (limited to 'sound/soc/sof/sof-pci-dev.c')
| -rw-r--r-- | sound/soc/sof/sof-pci-dev.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c new file mode 100644 index 000000000..c50249aad --- /dev/null +++ b/sound/soc/sof/sof-pci-dev.c @@ -0,0 +1,296 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2018 Intel Corporation +// +// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> +// + +#include <linux/firmware.h> +#include <linux/dmi.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/platform_data/x86/soc.h> +#include <linux/pm_runtime.h> +#include <sound/soc-acpi.h> +#include <sound/soc-acpi-intel-match.h> +#include <sound/sof.h> +#include "ops.h" +#include "sof-pci-dev.h" + +static char *fw_path; +module_param(fw_path, charp, 0444); +MODULE_PARM_DESC(fw_path, "deprecated - moved to snd-sof module."); + +static char *fw_filename; +module_param(fw_filename, charp, 0444); +MODULE_PARM_DESC(fw_filename, "deprecated - moved to snd-sof module."); + +static char *lib_path; +module_param(lib_path, charp, 0444); +MODULE_PARM_DESC(lib_path, "deprecated - moved to snd-sof module."); + +static char *tplg_path; +module_param(tplg_path, charp, 0444); +MODULE_PARM_DESC(tplg_path, "deprecated - moved to snd-sof module."); + +static char *tplg_filename; +module_param(tplg_filename, charp, 0444); +MODULE_PARM_DESC(tplg_filename, "deprecated - moved to snd-sof module."); + +static int sof_pci_debug; +module_param_named(sof_pci_debug, sof_pci_debug, int, 0444); +MODULE_PARM_DESC(sof_pci_debug, "SOF PCI debug options (0x0 all off)"); + +static int sof_pci_ipc_type = -1; +module_param_named(ipc_type, sof_pci_ipc_type, int, 0444); +MODULE_PARM_DESC(ipc_type, "deprecated - moved to snd-sof module."); + +static const char *sof_dmi_override_tplg_name; +static bool sof_dmi_use_community_key; + +#define SOF_PCI_DISABLE_PM_RUNTIME BIT(0) + +static int sof_tplg_cb(const struct dmi_system_id *id) +{ + sof_dmi_override_tplg_name = id->driver_data; + return 1; +} + +static const struct dmi_system_id sof_tplg_table[] = { + { + .callback = sof_tplg_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_FAMILY, "Google_Volteer"), + DMI_MATCH(DMI_OEM_STRING, "AUDIO-MAX98373_ALC5682I_I2S_UP4"), + }, + .driver_data = "sof-tgl-rt5682-ssp0-max98373-ssp2.tplg", + }, + { + .callback = sof_tplg_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "Alder Lake Client Platform"), + DMI_MATCH(DMI_OEM_STRING, "AUDIO-ADL_MAX98373_ALC5682I_I2S"), + }, + .driver_data = "sof-adl-rt5682-ssp0-max98373-ssp2.tplg", + }, + { + .callback = sof_tplg_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_FAMILY, "Google_Brya"), + DMI_MATCH(DMI_OEM_STRING, "AUDIO-MAX98390_ALC5682I_I2S"), + }, + .driver_data = "sof-adl-max98390-ssp2-rt5682-ssp0.tplg", + }, + { + .callback = sof_tplg_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_FAMILY, "Google_Brya"), + DMI_MATCH(DMI_OEM_STRING, "AUDIO_AMP-MAX98360_ALC5682VS_I2S_2WAY"), + }, + .driver_data = "sof-adl-max98360a-rt5682-2way.tplg", + }, + { + .callback = sof_tplg_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_FAMILY, "Google_Brya"), + DMI_MATCH(DMI_OEM_STRING, "AUDIO-AUDIO_MAX98357_ALC5682I_I2S_2WAY"), + }, + .driver_data = "sof-adl-max98357a-rt5682-2way.tplg", + }, + { + .callback = sof_tplg_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_FAMILY, "Google_Brya"), + DMI_MATCH(DMI_OEM_STRING, "AUDIO-MAX98360_ALC5682I_I2S_AMP_SSP2"), + }, + .driver_data = "sof-adl-max98357a-rt5682.tplg", + }, + {} +}; + +/* all Up boards use the community key */ +static int up_use_community_key(const struct dmi_system_id *id) +{ + sof_dmi_use_community_key = true; + return 1; +} + +/* + * For ApolloLake Chromebooks we want to force the use of the Intel production key. + * All newer platforms use the community key + */ +static int chromebook_use_community_key(const struct dmi_system_id *id) +{ + if (!soc_intel_is_apl()) + sof_dmi_use_community_key = true; + return 1; +} + +static const struct dmi_system_id community_key_platforms[] = { + { + .ident = "Up boards", + .callback = up_use_community_key, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), + } + }, + { + .ident = "Google Chromebooks", + .callback = chromebook_use_community_key, + .matches = { + DMI_MATCH(DMI_PRODUCT_FAMILY, "Google"), + } + }, + { + .ident = "Google firmware", + .callback = chromebook_use_community_key, + .matches = { + DMI_MATCH(DMI_BIOS_VERSION, "Google"), + } + }, + {}, +}; + +EXPORT_NS_DEV_PM_OPS(sof_pci_pm, SND_SOC_SOF_PCI_DEV) = { + .prepare = snd_sof_prepare, + .complete = snd_sof_complete, + SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume) + RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume, + snd_sof_runtime_idle) +}; + +static void sof_pci_probe_complete(struct device *dev) +{ + dev_dbg(dev, "Completing SOF PCI probe"); + + if (sof_pci_debug & SOF_PCI_DISABLE_PM_RUNTIME) + return; + + /* allow runtime_pm */ + pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS); + pm_runtime_use_autosuspend(dev); + + /* + * runtime pm for pci device is "forbidden" by default. + * so call pm_runtime_allow() to enable it. + */ + pm_runtime_allow(dev); + + /* mark last_busy for pm_runtime to make sure not suspend immediately */ + pm_runtime_mark_last_busy(dev); + + /* follow recommendation in pci-driver.c to decrement usage counter */ + pm_runtime_put_noidle(dev); +} + +int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) +{ + struct sof_loadable_file_profile *path_override; + struct device *dev = &pci->dev; + const struct sof_dev_desc *desc = + (const struct sof_dev_desc *)pci_id->driver_data; + struct snd_sof_pdata *sof_pdata; + int ret; + + dev_dbg(&pci->dev, "PCI DSP detected"); + + if (!desc) { + dev_err(dev, "error: no matching PCI descriptor\n"); + return -ENODEV; + } + + if (!desc->ops) { + dev_err(dev, "error: no matching PCI descriptor ops\n"); + return -ENODEV; + } + + sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL); + if (!sof_pdata) + return -ENOMEM; + + ret = pcim_enable_device(pci); + if (ret < 0) + return ret; + + ret = pcim_request_all_regions(pci, "Audio DSP"); + if (ret < 0) + return ret; + + sof_pdata->name = pci_name(pci); + + /* PCI defines a vendor ID of 0xFFFF as invalid. */ + if (pci->subsystem_vendor != 0xFFFF) { + sof_pdata->subsystem_vendor = pci->subsystem_vendor; + sof_pdata->subsystem_device = pci->subsystem_device; + sof_pdata->subsystem_id_set = true; + } + + sof_pdata->desc = desc; + sof_pdata->dev = dev; + + path_override = &sof_pdata->ipc_file_profile_base; + + if (sof_pci_ipc_type < 0) { + path_override->ipc_type = desc->ipc_default; + } else if (sof_pci_ipc_type < SOF_IPC_TYPE_COUNT) { + path_override->ipc_type = sof_pci_ipc_type; + } else { + dev_err(dev, "Invalid IPC type requested: %d\n", sof_pci_ipc_type); + return -EINVAL; + } + + path_override->fw_path = fw_path; + path_override->fw_name = fw_filename; + path_override->fw_lib_path = lib_path; + path_override->tplg_path = tplg_path; + + if (dmi_check_system(community_key_platforms) && + sof_dmi_use_community_key) { + path_override->fw_path_postfix = "community"; + path_override->fw_lib_path_postfix = "community"; + } + + /* + * the topology filename will be provided in the machine descriptor, unless + * it is overridden by a module parameter or DMI quirk. + */ + if (tplg_filename) { + path_override->tplg_name = tplg_filename; + } else { + dmi_check_system(sof_tplg_table); + if (sof_dmi_override_tplg_name) + path_override->tplg_name = sof_dmi_override_tplg_name; + } + + /* set callback to be called on successful device probe to enable runtime_pm */ + sof_pdata->sof_probe_complete = sof_pci_probe_complete; + + /* call sof helper for DSP hardware probe */ + return snd_sof_device_probe(dev, sof_pdata); +} +EXPORT_SYMBOL_NS(sof_pci_probe, "SND_SOC_SOF_PCI_DEV"); + +void sof_pci_remove(struct pci_dev *pci) +{ + /* call sof helper for DSP hardware remove */ + snd_sof_device_remove(&pci->dev); + + /* follow recommendation in pci-driver.c to increment usage counter */ + if (snd_sof_device_probe_completed(&pci->dev) && + !(sof_pci_debug & SOF_PCI_DISABLE_PM_RUNTIME)) + pm_runtime_get_noresume(&pci->dev); +} +EXPORT_SYMBOL_NS(sof_pci_remove, "SND_SOC_SOF_PCI_DEV"); + +void sof_pci_shutdown(struct pci_dev *pci) +{ + snd_sof_device_shutdown(&pci->dev); +} +EXPORT_SYMBOL_NS(sof_pci_shutdown, "SND_SOC_SOF_PCI_DEV"); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_DESCRIPTION("SOF support for PCI platforms"); |
