// 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");