1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
14 #include <linux/pci.h>
17 #include <sound/soc-acpi.h>
18 #include <sound/soc-acpi-intel-match.h>
21 #include "sof-pci-dev.h"
25 MODULE_PARM_DESC(fw_path, "deprecated - moved to snd-sof module.");
29 MODULE_PARM_DESC(fw_filename, "deprecated - moved to snd-sof module.");
33 MODULE_PARM_DESC(lib_path, "deprecated - moved to snd-sof module.");
37 MODULE_PARM_DESC(tplg_path, "deprecated - moved to snd-sof module.");
41 MODULE_PARM_DESC(tplg_filename, "deprecated - moved to snd-sof module.");
45 MODULE_PARM_DESC(sof_pci_debug, "SOF PCI debug options (0x0 all off)");
47 static int sof_pci_ipc_type = -1;
49 MODULE_PARM_DESC(ipc_type, "deprecated - moved to snd-sof module.");
58 	sof_dmi_override_tplg_name = id->driver_data;  in sof_tplg_cb()
67 			DMI_MATCH(DMI_OEM_STRING, "AUDIO-MAX98373_ALC5682I_I2S_UP4"),
69 		.driver_data = "sof-tgl-rt5682-ssp0-max98373-ssp2.tplg",
76 			DMI_MATCH(DMI_OEM_STRING, "AUDIO-ADL_MAX98373_ALC5682I_I2S"),
78 		.driver_data = "sof-adl-rt5682-ssp0-max98373-ssp2.tplg",
84 			DMI_MATCH(DMI_OEM_STRING, "AUDIO-MAX98390_ALC5682I_I2S"),
86 		.driver_data = "sof-adl-max98390-ssp2-rt5682-ssp0.tplg",
92 			DMI_MATCH(DMI_OEM_STRING, "AUDIO_AMP-MAX98360_ALC5682VS_I2S_2WAY"),
94 		.driver_data = "sof-adl-max98360a-rt5682-2way.tplg",
100 			DMI_MATCH(DMI_OEM_STRING, "AUDIO-AUDIO_MAX98357_ALC5682I_I2S_2WAY"),
102 		.driver_data = "sof-adl-max98357a-rt5682-2way.tplg",
108 			DMI_MATCH(DMI_OEM_STRING, "AUDIO-MAX98360_ALC5682I_I2S_AMP_SSP2"),
110 		.driver_data = "sof-adl-max98357a-rt5682.tplg",
167 static void sof_pci_probe_complete(struct device *dev)  in sof_pci_probe_complete()  argument
169 	dev_dbg(dev, "Completing SOF PCI probe");  in sof_pci_probe_complete()
175 	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);  in sof_pci_probe_complete()
176 	pm_runtime_use_autosuspend(dev);  in sof_pci_probe_complete()
179 	 * runtime pm for pci device is "forbidden" by default.  in sof_pci_probe_complete()
182 	pm_runtime_allow(dev);  in sof_pci_probe_complete()
185 	pm_runtime_mark_last_busy(dev);  in sof_pci_probe_complete()
187 	/* follow recommendation in pci-driver.c to decrement usage counter */  in sof_pci_probe_complete()
188 	pm_runtime_put_noidle(dev);  in sof_pci_probe_complete()
191 int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)  in sof_pci_probe()  argument
194 	struct device *dev = &pci->dev;  in sof_pci_probe()  local
196 		(const struct sof_dev_desc *)pci_id->driver_data;  in sof_pci_probe()
200 	dev_dbg(&pci->dev, "PCI DSP detected");  in sof_pci_probe()
203 		dev_err(dev, "error: no matching PCI descriptor\n");  in sof_pci_probe()
204 		return -ENODEV;  in sof_pci_probe()
207 	if (!desc->ops) {  in sof_pci_probe()
208 		dev_err(dev, "error: no matching PCI descriptor ops\n");  in sof_pci_probe()
209 		return -ENODEV;  in sof_pci_probe()
212 	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);  in sof_pci_probe()
214 		return -ENOMEM;  in sof_pci_probe()
216 	ret = pcim_enable_device(pci);  in sof_pci_probe()
220 	ret = pci_request_regions(pci, "Audio DSP");  in sof_pci_probe()
224 	sof_pdata->name = pci_name(pci);  in sof_pci_probe()
226 	/* PCI defines a vendor ID of 0xFFFF as invalid. */  in sof_pci_probe()
227 	if (pci->subsystem_vendor != 0xFFFF) {  in sof_pci_probe()
228 		sof_pdata->subsystem_vendor = pci->subsystem_vendor;  in sof_pci_probe()
229 		sof_pdata->subsystem_device = pci->subsystem_device;  in sof_pci_probe()
230 		sof_pdata->subsystem_id_set = true;  in sof_pci_probe()
233 	sof_pdata->desc = desc;  in sof_pci_probe()
234 	sof_pdata->dev = dev;  in sof_pci_probe()
236 	path_override = &sof_pdata->ipc_file_profile_base;  in sof_pci_probe()
239 		path_override->ipc_type = desc->ipc_default;  in sof_pci_probe()
241 		path_override->ipc_type = sof_pci_ipc_type;  in sof_pci_probe()
243 		dev_err(dev, "Invalid IPC type requested: %d\n", sof_pci_ipc_type);  in sof_pci_probe()
244 		ret = -EINVAL;  in sof_pci_probe()
248 	path_override->fw_path = fw_path;  in sof_pci_probe()
249 	path_override->fw_name = fw_filename;  in sof_pci_probe()
250 	path_override->fw_lib_path = lib_path;  in sof_pci_probe()
251 	path_override->tplg_path = tplg_path;  in sof_pci_probe()
255 		path_override->fw_path_postfix = "community";  in sof_pci_probe()
256 		path_override->fw_lib_path_postfix = "community";  in sof_pci_probe()
264 		path_override->tplg_name = tplg_filename;  in sof_pci_probe()
268 			path_override->tplg_name = sof_dmi_override_tplg_name;  in sof_pci_probe()
272 	sof_pdata->sof_probe_complete = sof_pci_probe_complete;  in sof_pci_probe()
275 	ret = snd_sof_device_probe(dev, sof_pdata);  in sof_pci_probe()
279 		pci_release_regions(pci);  in sof_pci_probe()
285 void sof_pci_remove(struct pci_dev *pci)  in sof_pci_remove()  argument
288 	snd_sof_device_remove(&pci->dev);  in sof_pci_remove()
290 	/* follow recommendation in pci-driver.c to increment usage counter */  in sof_pci_remove()
291 	if (snd_sof_device_probe_completed(&pci->dev) &&  in sof_pci_remove()
293 		pm_runtime_get_noresume(&pci->dev);  in sof_pci_remove()
295 	/* release pci regions and disable device */  in sof_pci_remove()
296 	pci_release_regions(pci);  in sof_pci_remove()
300 void sof_pci_shutdown(struct pci_dev *pci)  in sof_pci_shutdown()  argument
302 	snd_sof_device_shutdown(&pci->dev);  in sof_pci_shutdown()
307 MODULE_DESCRIPTION("SOF support for PCI platforms");