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// 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/intel-dsp-config.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)
{
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);
}
static int sof_acpi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
const struct acpi_device_id *id;
const struct sof_dev_desc *desc;
struct snd_sof_pdata *sof_pdata;
const struct snd_sof_dsp_ops *ops;
int ret;
id = acpi_match_device(dev->driver->acpi_match_table, dev);
if (!id)
return -ENODEV;
ret = snd_intel_acpi_dsp_driver_probe(dev, id->id);
if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
dev_dbg(dev, "SOF ACPI driver not selected, aborting probe\n");
return -ENODEV;
}
dev_dbg(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_ACPI
static 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);
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