// 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 // #include #include #include #include #include #include #include #include #include #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"), } }, {}, }; const struct dev_pm_ops sof_pci_pm = { .prepare = snd_sof_prepare, .complete = snd_sof_complete, SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume) SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume, snd_sof_runtime_idle) }; EXPORT_SYMBOL_NS(sof_pci_pm, "SND_SOC_SOF_PCI_DEV"); 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 = pci_request_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); ret = -EINVAL; goto out; } 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 */ ret = snd_sof_device_probe(dev, sof_pdata); out: if (ret) pci_release_regions(pci); return ret; } 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); /* release pci regions and disable device */ pci_release_regions(pci); } 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");