// 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. All rights reserved.//// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>// #include <linux/acpi.h>#include <linux/firmware.h>#include <linux/module.h>#include <linux/pm_runtime.h>#include <sound/soc-acpi.h>#include <sound/soc-acpi-intel-match.h>#include <sound/sof.h>#include "../intel/common/soc-intel-quirks.h"#include "ops.h"#include "sof-acpi-dev.h" /* platform specific devices */#include "intel/shim.h" static char *fw_path;module_param(fw_path, charp, 0444);MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware."); static char *tplg_path;module_param(tplg_path, charp, 0444);MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology."); static int sof_acpi_debug;module_param_named(sof_acpi_debug, sof_acpi_debug, int, 0444);MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI debug options (0x0 all off)"); #define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0) const struct dev_pm_ops sof_acpi_pm = {	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_acpi_pm, SND_SOC_SOF_ACPI_DEV); static void sof_acpi_probe_complete(struct device *dev){	dev_dbg(dev, "Completing SOF ACPI probe"); 	if (sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME)		return; 	/* allow runtime_pm */	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);	pm_runtime_use_autosuspend(dev);	pm_runtime_enable(dev);} int sof_acpi_probe(struct platform_device *pdev, const struct sof_dev_desc *desc){	struct device *dev = &pdev->dev;	struct snd_sof_pdata *sof_pdata;	const struct snd_sof_dsp_ops *ops; 	dev_dbg(dev, "ACPI DSP detected"); 	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);	if (!sof_pdata)		return -ENOMEM; 	/* get ops for platform */	ops = desc->ops;	if (!ops) {		dev_err(dev, "error: no matching ACPI descriptor ops\n");		return -ENODEV;	} 	sof_pdata->desc = desc;	sof_pdata->dev = &pdev->dev;	sof_pdata->fw_filename = desc->default_fw_filename; 	/* alternate fw and tplg filenames ? */	if (fw_path)		sof_pdata->fw_filename_prefix = fw_path;	else		sof_pdata->fw_filename_prefix =			sof_pdata->desc->default_fw_path; 	if (tplg_path)		sof_pdata->tplg_filename_prefix = tplg_path;	else		sof_pdata->tplg_filename_prefix =			sof_pdata->desc->default_tplg_path; 	/* set callback to be called on successful device probe to enable runtime_pm */	sof_pdata->sof_probe_complete = sof_acpi_probe_complete; 	/* call sof helper for DSP hardware probe */	return snd_sof_device_probe(dev, sof_pdata);}EXPORT_SYMBOL_NS(sof_acpi_probe, SND_SOC_SOF_ACPI_DEV); int sof_acpi_remove(struct platform_device *pdev){	struct device *dev = &pdev->dev; 	if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME))		pm_runtime_disable(dev); 	/* call sof helper for DSP hardware remove */	snd_sof_device_remove(dev); 	return 0;}EXPORT_SYMBOL_NS(sof_acpi_remove, SND_SOC_SOF_ACPI_DEV); MODULE_LICENSE("Dual BSD/GPL");