123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224 |
- // 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)
- {
- 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 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_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);
|