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224 lines
6.1 KiB
224 lines
6.1 KiB
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) |
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// |
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// This file is provided under a dual BSD/GPLv2 license. When using or |
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// redistributing this file, you may do so under either license. |
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// |
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// Copyright(c) 2018 Intel Corporation. All rights reserved. |
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// |
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// Author: Liam Girdwood <[email protected]> |
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// |
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#include <linux/acpi.h> |
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#include <linux/firmware.h> |
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#include <linux/module.h> |
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#include <linux/pm_runtime.h> |
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#include <sound/soc-acpi.h> |
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#include <sound/soc-acpi-intel-match.h> |
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#include <sound/sof.h> |
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#include "../intel/common/soc-intel-quirks.h" |
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#include "ops.h" |
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/* platform specific devices */ |
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#include "intel/shim.h" |
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static char *fw_path; |
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module_param(fw_path, charp, 0444); |
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MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware."); |
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static char *tplg_path; |
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module_param(tplg_path, charp, 0444); |
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MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology."); |
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static int sof_acpi_debug; |
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module_param_named(sof_acpi_debug, sof_acpi_debug, int, 0444); |
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MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI debug options (0x0 all off)"); |
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#define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0) |
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#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL) |
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static const struct sof_dev_desc sof_acpi_broadwell_desc = { |
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.machines = snd_soc_acpi_intel_broadwell_machines, |
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.resindex_lpe_base = 0, |
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.resindex_pcicfg_base = 1, |
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.resindex_imr_base = -1, |
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.irqindex_host_ipc = 0, |
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.chip_info = &bdw_chip_info, |
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.default_fw_path = "intel/sof", |
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.default_tplg_path = "intel/sof-tplg", |
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.default_fw_filename = "sof-bdw.ri", |
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.nocodec_tplg_filename = "sof-bdw-nocodec.tplg", |
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.ops = &sof_bdw_ops, |
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}; |
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#endif |
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#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) |
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/* BYTCR uses different IRQ index */ |
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static const struct sof_dev_desc sof_acpi_baytrailcr_desc = { |
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.machines = snd_soc_acpi_intel_baytrail_machines, |
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.resindex_lpe_base = 0, |
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.resindex_pcicfg_base = 1, |
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.resindex_imr_base = 2, |
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.irqindex_host_ipc = 0, |
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.chip_info = &byt_chip_info, |
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.default_fw_path = "intel/sof", |
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.default_tplg_path = "intel/sof-tplg", |
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.default_fw_filename = "sof-byt.ri", |
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.nocodec_tplg_filename = "sof-byt-nocodec.tplg", |
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.ops = &sof_byt_ops, |
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}; |
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static const struct sof_dev_desc sof_acpi_baytrail_desc = { |
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.machines = snd_soc_acpi_intel_baytrail_machines, |
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.resindex_lpe_base = 0, |
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.resindex_pcicfg_base = 1, |
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.resindex_imr_base = 2, |
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.irqindex_host_ipc = 5, |
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.chip_info = &byt_chip_info, |
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.default_fw_path = "intel/sof", |
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.default_tplg_path = "intel/sof-tplg", |
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.default_fw_filename = "sof-byt.ri", |
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.nocodec_tplg_filename = "sof-byt-nocodec.tplg", |
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.ops = &sof_byt_ops, |
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}; |
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static const struct sof_dev_desc sof_acpi_cherrytrail_desc = { |
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.machines = snd_soc_acpi_intel_cherrytrail_machines, |
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.resindex_lpe_base = 0, |
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.resindex_pcicfg_base = 1, |
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.resindex_imr_base = 2, |
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.irqindex_host_ipc = 5, |
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.chip_info = &cht_chip_info, |
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.default_fw_path = "intel/sof", |
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.default_tplg_path = "intel/sof-tplg", |
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.default_fw_filename = "sof-cht.ri", |
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.nocodec_tplg_filename = "sof-cht-nocodec.tplg", |
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.ops = &sof_cht_ops, |
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}; |
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#endif |
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static const struct dev_pm_ops sof_acpi_pm = { |
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SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume) |
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SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume, |
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snd_sof_runtime_idle) |
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}; |
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static void sof_acpi_probe_complete(struct device *dev) |
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{ |
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dev_dbg(dev, "Completing SOF ACPI probe"); |
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if (sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME) |
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return; |
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/* allow runtime_pm */ |
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pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS); |
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pm_runtime_use_autosuspend(dev); |
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pm_runtime_enable(dev); |
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} |
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static int sof_acpi_probe(struct platform_device *pdev) |
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{ |
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struct device *dev = &pdev->dev; |
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const struct sof_dev_desc *desc; |
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struct snd_sof_pdata *sof_pdata; |
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const struct snd_sof_dsp_ops *ops; |
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int ret; |
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dev_dbg(&pdev->dev, "ACPI DSP detected"); |
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sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL); |
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if (!sof_pdata) |
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return -ENOMEM; |
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desc = device_get_match_data(dev); |
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if (!desc) |
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return -ENODEV; |
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#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) |
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if (desc == &sof_acpi_baytrail_desc && soc_intel_is_byt_cr(pdev)) |
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desc = &sof_acpi_baytrailcr_desc; |
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#endif |
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/* get ops for platform */ |
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ops = desc->ops; |
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if (!ops) { |
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dev_err(dev, "error: no matching ACPI descriptor ops\n"); |
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return -ENODEV; |
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} |
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sof_pdata->desc = desc; |
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sof_pdata->dev = &pdev->dev; |
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sof_pdata->fw_filename = desc->default_fw_filename; |
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/* alternate fw and tplg filenames ? */ |
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if (fw_path) |
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sof_pdata->fw_filename_prefix = fw_path; |
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else |
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sof_pdata->fw_filename_prefix = |
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sof_pdata->desc->default_fw_path; |
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if (tplg_path) |
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sof_pdata->tplg_filename_prefix = tplg_path; |
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else |
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sof_pdata->tplg_filename_prefix = |
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sof_pdata->desc->default_tplg_path; |
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE) |
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/* set callback to enable runtime_pm */ |
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sof_pdata->sof_probe_complete = sof_acpi_probe_complete; |
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#endif |
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/* call sof helper for DSP hardware probe */ |
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ret = snd_sof_device_probe(dev, sof_pdata); |
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if (ret) { |
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dev_err(dev, "error: failed to probe DSP hardware!\n"); |
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return ret; |
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} |
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#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE) |
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sof_acpi_probe_complete(dev); |
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#endif |
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return ret; |
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} |
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static int sof_acpi_remove(struct platform_device *pdev) |
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{ |
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if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME)) |
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pm_runtime_disable(&pdev->dev); |
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/* call sof helper for DSP hardware remove */ |
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snd_sof_device_remove(&pdev->dev); |
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return 0; |
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} |
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#ifdef CONFIG_ACPI |
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static const struct acpi_device_id sof_acpi_match[] = { |
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL) |
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{ "INT3438", (unsigned long)&sof_acpi_broadwell_desc }, |
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#endif |
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) |
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{ "80860F28", (unsigned long)&sof_acpi_baytrail_desc }, |
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{ "808622A8", (unsigned long)&sof_acpi_cherrytrail_desc }, |
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#endif |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(acpi, sof_acpi_match); |
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#endif |
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/* acpi_driver definition */ |
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static struct platform_driver snd_sof_acpi_driver = { |
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.probe = sof_acpi_probe, |
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.remove = sof_acpi_remove, |
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.driver = { |
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.name = "sof-audio-acpi", |
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.pm = &sof_acpi_pm, |
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.acpi_match_table = ACPI_PTR(sof_acpi_match), |
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}, |
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}; |
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module_platform_driver(snd_sof_acpi_driver); |
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MODULE_LICENSE("Dual BSD/GPL"); |
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MODULE_IMPORT_NS(SND_SOC_SOF_BAYTRAIL); |
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MODULE_IMPORT_NS(SND_SOC_SOF_BROADWELL);
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