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+// SPDX-License-Identifier: (GPL-2.0 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/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 "ops.h"
+
+/* platform specific devices */
+#include "intel/shim.h"
+#include "intel/hda.h"
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
+static struct sof_dev_desc bxt_desc = {
+ .machines = snd_soc_acpi_intel_bxt_machines,
+ .resindex_lpe_base = 0,
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = -1,
+ .irqindex_host_ipc = -1,
+ .resindex_dma_base = -1,
+ .nocodec_fw_filename = "intel/sof-apl.ri",
+ .nocodec_tplg_filename = "intel/sof-apl-nocodec.tplg"
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
+static struct sof_dev_desc glk_desc = {
+ .machines = snd_soc_acpi_intel_glk_machines,
+ .resindex_lpe_base = 0,
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = -1,
+ .irqindex_host_ipc = -1,
+ .resindex_dma_base = -1,
+ .nocodec_fw_filename = "intel/sof-glk.ri",
+ .nocodec_tplg_filename = "intel/sof-glk-nocodec.tplg"
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
+static struct snd_soc_acpi_mach sof_byt_machines[] = {
+ {
+ .id = "INT343A",
+ .drv_name = "edison",
+ .sof_fw_filename = "intel/sof-byt.ri",
+ .sof_tplg_filename = "intel/sof-byt.tplg",
+ .asoc_plat_name = "baytrail-pcm-audio",
+ },
+ {}
+};
+
+static const struct sof_dev_desc byt_desc = {
+ .machines = sof_byt_machines,
+ .resindex_lpe_base = 3, /* IRAM, but subtract IRAM offset */
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = 0,
+ .irqindex_host_ipc = -1,
+ .resindex_dma_base = -1,
+ .nocodec_fw_filename = "intel/sof-byt.ri",
+ .nocodec_tplg_filename = "intel/sof-byt.tplg"
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
+static const struct sof_dev_desc cnl_desc = {
+ .machines = snd_soc_acpi_intel_cnl_machines,
+ .resindex_lpe_base = 0,
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = -1,
+ .irqindex_host_ipc = -1,
+ .resindex_dma_base = -1,
+ .nocodec_fw_filename = "intel/sof-cnl.ri",
+ .nocodec_tplg_filename = "intel/sof-cnl.tplg"
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
+static struct sof_dev_desc skl_desc = {
+ .machines = snd_soc_acpi_intel_skl_machines,
+ .resindex_lpe_base = 0,
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = -1,
+ .irqindex_host_ipc = -1,
+ .resindex_dma_base = -1,
+ .nocodec_fw_filename = "intel/sof-skl.ri",
+ .nocodec_tplg_filename = "intel/sof-skl-nocodec.tplg"
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
+static struct sof_dev_desc kbl_desc = {
+ .machines = snd_soc_acpi_intel_kbl_machines,
+ .resindex_lpe_base = 0,
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = -1,
+ .irqindex_host_ipc = -1,
+ .resindex_dma_base = -1,
+ .nocodec_fw_filename = "intel/sof-kbl.ri",
+ .nocodec_tplg_filename = "intel/sof-kbl-nocodec.tplg"
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
+static const struct sof_dev_desc icl_desc = {
+ .machines = snd_soc_acpi_intel_icl_machines,
+ .resindex_lpe_base = 0,
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = -1,
+ .irqindex_host_ipc = -1,
+ .resindex_dma_base = -1,
+ .nocodec_fw_filename = "intel/sof-icl.ri",
+ .nocodec_tplg_filename = "intel/sof-icl-nocodec.tplg"
+};
+#endif
+
+static const struct dev_pm_ops sof_pci_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
+ SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
+ NULL)
+ .suspend_late = snd_sof_suspend_late,
+ .prepare = snd_sof_prepare,
+
+};
+
+static const struct sof_ops_table pci_mach_ops[] = {
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
+ {&bxt_desc, &sof_apl_ops},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
+ {&glk_desc, &sof_apl_ops},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
+ {&byt_desc, &sof_byt_ops},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
+ {&cnl_desc, &sof_cnl_ops},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
+ {&skl_desc, &sof_skl_ops},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
+ {&kbl_desc, &sof_skl_ops},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
+ {&icl_desc, &sof_cnl_ops},
+#endif
+};
+
+static int sof_pci_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ struct device *dev = &pci->dev;
+ const struct sof_dev_desc *desc =
+ (const struct sof_dev_desc *)pci_id->driver_data;
+ struct snd_soc_acpi_mach *mach;
+ struct snd_sof_pdata *sof_pdata;
+ struct sof_platform_priv *priv;
+ struct snd_sof_dsp_ops *ops;
+ int ret = 0;
+
+ dev_dbg(&pci->dev, "PCI DSP detected");
+
+ /* get ops for platform */
+ ops = sof_get_ops(desc, pci_mach_ops, ARRAY_SIZE(pci_mach_ops));
+ if (!ops) {
+ dev_err(dev, "error: no matching PCI descriptor ops\n");
+ return -ENODEV;
+ }
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ pci_set_drvdata(pci, priv);
+
+ sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
+ if (!sof_pdata)
+ return -ENOMEM;
+
+ ret = pcim_enable_device(pci);
+ if (ret < 0)
+ return ret;
+
+ ret = pci_request_regions(pci, "Audio DSP");
+ if (ret < 0)
+ return ret;
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
+ /* force nocodec mode */
+ dev_warn(dev, "Force to use nocodec mode\n");
+ mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL);
+ if (!mach) {
+ ret = -ENOMEM;
+ goto release_regions;
+ }
+ ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops);
+ if (ret < 0)
+ goto release_regions;
+#else
+ /* find machine */
+ mach = snd_soc_acpi_find_machine(desc->machines);
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
+ if (!mach) {
+ dev_warn(dev, "No matching ASoC machine driver found - falling back to HDA codec\n");
+ mach = snd_soc_acpi_intel_hda_machines;
+ mach->sof_fw_filename = desc->nocodec_fw_filename;
+
+ /*
+ * TODO: we need to find a way to check if codecs are actually
+ * present
+ */
+ }
+#endif /* CONFIG_SND_SOC_SOF_HDA */
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)
+ if (!mach) {
+ /* fallback to nocodec mode */
+ dev_warn(dev, "No matching ASoC machine driver found - using nocodec\n");
+ mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL);
+ if (!mach) {
+ ret = -ENOMEM;
+ goto release_regions;
+ }
+ ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops);
+ if (ret < 0)
+ goto release_regions;
+ }
+#endif /* CONFIG_SND_SOC_SOF_NOCODEC */
+
+#endif /* CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE */
+
+ if (!mach) {
+ dev_err(dev, "error: no matching ASoC machine driver found - aborting probe\n");
+ ret = -ENODEV;
+ goto release_regions;
+ }
+
+ mach->pdata = ops;
+
+ sof_pdata->id = pci_id->device;
+ sof_pdata->name = pci_name(pci);
+ sof_pdata->machine = mach;
+ sof_pdata->desc = (struct sof_dev_desc *)pci_id->driver_data;
+ priv->sof_pdata = sof_pdata;
+ sof_pdata->dev = &pci->dev;
+ sof_pdata->type = SOF_DEVICE_PCI;
+ sof_pdata->platform = "sof-audio";
+
+ /* register sof-audio platform driver */
+ ret = sof_create_platform_device(priv);
+ if (ret) {
+ dev_err(dev, "error: failed to create platform device!\n");
+ goto release_regions;
+ }
+
+ /* allow runtime_pm */
+ pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY);
+ pm_runtime_use_autosuspend(dev);
+
+ /*
+ * runtime pm for pci device is "forbidden" by default.
+ * so call pm_runtime_allow() to enable it.
+ */
+ pm_runtime_allow(dev);
+
+ /* follow recommendation in pci-driver.c to decrement usage counter */
+ pm_runtime_put_noidle(dev);
+
+ return ret;
+
+release_regions:
+ pci_release_regions(pci);
+
+ return ret;
+}
+
+static void sof_pci_shutdown(struct pci_dev *pci)
+{
+ snd_sof_shutdown(&pci->dev);
+}
+
+static void sof_pci_remove(struct pci_dev *pci)
+{
+ struct sof_platform_priv *priv = pci_get_drvdata(pci);
+ struct snd_sof_pdata *sof_pdata = priv->sof_pdata;
+
+ /* unregister sof-audio platform driver */
+ if (!IS_ERR(priv->pdev_pcm))
+ platform_device_unregister(priv->pdev_pcm);
+
+ /* release firmware */
+ release_firmware(sof_pdata->fw);
+
+ /* follow recommendation in pci-driver.c to increment usage counter */
+ pm_runtime_get_noresume(&pci->dev);
+
+ /* release pci regions and disable device */
+ pci_release_regions(pci);
+}
+
+/* PCI IDs */
+static const struct pci_device_id sof_pci_ids[] = {
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
+ /* BXT-P & Apollolake */
+ { PCI_DEVICE(0x8086, 0x5a98),
+ .driver_data = (unsigned long)&bxt_desc},
+ { PCI_DEVICE(0x8086, 0x1a98),
+ .driver_data = (unsigned long)&bxt_desc},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
+ { PCI_DEVICE(0x8086, 0x3198),
+ .driver_data = (unsigned long)&glk_desc},
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
+ { PCI_DEVICE(0x8086, 0x119a),
+ .driver_data = (unsigned long)&byt_desc},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
+ { PCI_DEVICE(0x8086, 0x9dc8),
+ .driver_data = (unsigned long)&cnl_desc},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
+ { PCI_DEVICE(0x8086, 0x9d71),
+ .driver_data = (unsigned long)&kbl_desc},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
+ { PCI_DEVICE(0x8086, 0x9d70),
+ .driver_data = (unsigned long)&skl_desc},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
+ { PCI_DEVICE(0x8086, 0x34C8),
+ .driver_data = (unsigned long)&icl_desc},
+#endif
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, sof_pci_ids);
+
+/* pci_driver definition */
+static struct pci_driver snd_sof_pci_driver = {
+ .name = "sof-audio-pci",
+ .id_table = sof_pci_ids,
+ .probe = sof_pci_probe,
+ .remove = sof_pci_remove,
+ .shutdown = sof_pci_shutdown,
+ .driver = {
+ .pm = &sof_pci_pm,
+ },
+};
+module_pci_driver(snd_sof_pci_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");