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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297// 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");