// 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" /* 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) #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)static const struct sof_dev_desc sof_acpi_broadwell_desc = {	.machines = snd_soc_acpi_intel_broadwell_machines,	.resindex_lpe_base = 0,	.resindex_pcicfg_base = 1,	.resindex_imr_base = -1,	.irqindex_host_ipc = 0,	.chip_info = &bdw_chip_info,	.default_fw_path = "intel/sof",	.default_tplg_path = "intel/sof-tplg",	.default_fw_filename = "sof-bdw.ri",	.nocodec_tplg_filename = "sof-bdw-nocodec.tplg",	.ops = &sof_bdw_ops,};#endif #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) /* BYTCR uses different IRQ index */static const struct sof_dev_desc sof_acpi_baytrailcr_desc = {	.machines = snd_soc_acpi_intel_baytrail_machines,	.resindex_lpe_base = 0,	.resindex_pcicfg_base = 1,	.resindex_imr_base = 2,	.irqindex_host_ipc = 0,	.chip_info = &byt_chip_info,	.default_fw_path = "intel/sof",	.default_tplg_path = "intel/sof-tplg",	.default_fw_filename = "sof-byt.ri",	.nocodec_tplg_filename = "sof-byt-nocodec.tplg",	.ops = &sof_byt_ops,}; static const struct sof_dev_desc sof_acpi_baytrail_desc = {	.machines = snd_soc_acpi_intel_baytrail_machines,	.resindex_lpe_base = 0,	.resindex_pcicfg_base = 1,	.resindex_imr_base = 2,	.irqindex_host_ipc = 5,	.chip_info = &byt_chip_info,	.default_fw_path = "intel/sof",	.default_tplg_path = "intel/sof-tplg",	.default_fw_filename = "sof-byt.ri",	.nocodec_tplg_filename = "sof-byt-nocodec.tplg",	.ops = &sof_byt_ops,}; static const struct sof_dev_desc sof_acpi_cherrytrail_desc = {	.machines = snd_soc_acpi_intel_cherrytrail_machines,	.resindex_lpe_base = 0,	.resindex_pcicfg_base = 1,	.resindex_imr_base = 2,	.irqindex_host_ipc = 5,	.chip_info = &cht_chip_info,	.default_fw_path = "intel/sof",	.default_tplg_path = "intel/sof-tplg",	.default_fw_filename = "sof-cht.ri",	.nocodec_tplg_filename = "sof-cht-nocodec.tplg",	.ops = &sof_cht_ops,}; #endif static 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)}; static void sof_acpi_probe_complete(struct device *dev){	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);} static int sof_acpi_probe(struct platform_device *pdev){	struct device *dev = &pdev->dev;	const struct sof_dev_desc *desc;	struct snd_sof_pdata *sof_pdata;	const struct snd_sof_dsp_ops *ops;	int ret; 	dev_dbg(&pdev->dev, "ACPI DSP detected"); 	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);	if (!sof_pdata)		return -ENOMEM; 	desc = device_get_match_data(dev);	if (!desc)		return -ENODEV; #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)	if (desc == &sof_acpi_baytrail_desc && soc_intel_is_byt_cr(pdev))		desc = &sof_acpi_baytrailcr_desc;#endif 	/* 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; #if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)	/* set callback to enable runtime_pm */	sof_pdata->sof_probe_complete = sof_acpi_probe_complete;#endif	/* call sof helper for DSP hardware probe */	ret = snd_sof_device_probe(dev, sof_pdata);	if (ret) {		dev_err(dev, "error: failed to probe DSP hardware!\n");		return ret;	} #if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)	sof_acpi_probe_complete(dev);#endif 	return ret;} static int sof_acpi_remove(struct platform_device *pdev){	if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME))		pm_runtime_disable(&pdev->dev); 	/* call sof helper for DSP hardware remove */	snd_sof_device_remove(&pdev->dev); 	return 0;} #ifdef CONFIG_ACPIstatic const struct acpi_device_id sof_acpi_match[] = {#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)	{ "INT3438", (unsigned long)&sof_acpi_broadwell_desc },#endif#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)	{ "80860F28", (unsigned long)&sof_acpi_baytrail_desc },	{ "808622A8", (unsigned long)&sof_acpi_cherrytrail_desc },#endif	{ }};MODULE_DEVICE_TABLE(acpi, sof_acpi_match);#endif /* acpi_driver definition */static struct platform_driver snd_sof_acpi_driver = {	.probe = sof_acpi_probe,	.remove = sof_acpi_remove,	.driver = {		.name = "sof-audio-acpi",		.pm = &sof_acpi_pm,		.acpi_match_table = ACPI_PTR(sof_acpi_match),	},};module_platform_driver(snd_sof_acpi_driver); MODULE_LICENSE("Dual BSD/GPL");MODULE_IMPORT_NS(SND_SOC_SOF_BAYTRAIL);MODULE_IMPORT_NS(SND_SOC_SOF_BROADWELL);