1 files changed, 86 insertions, 10 deletions

diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c
index 7fa2649e56e5..d627092b399d 100644
--- a/sound/soc/sof/sof-pci-dev.c
+++ b/sound/soc/sof/sof-pci-dev.c
@@ -12,6 +12,7 @@
 #include <linux/dmi.h>
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/platform_data/x86/soc.h>
 #include <linux/pm_runtime.h>
 #include <sound/soc-acpi.h>
 #include <sound/soc-acpi-intel-match.h>
@@ -23,21 +24,34 @@ static char *fw_path;
 module_param(fw_path, charp, 0444);
 MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
 
+static char *fw_filename;
+module_param(fw_filename, charp, 0444);
+MODULE_PARM_DESC(fw_filename, "alternate filename for SOF firmware.");
+
 static char *tplg_path;
 module_param(tplg_path, charp, 0444);
 MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
 
+static char *tplg_filename;
+module_param(tplg_filename, charp, 0444);
+MODULE_PARM_DESC(tplg_filename, "alternate filename for SOF topology.");
+
 static int sof_pci_debug;
 module_param_named(sof_pci_debug, sof_pci_debug, int, 0444);
 MODULE_PARM_DESC(sof_pci_debug, "SOF PCI debug options (0x0 all off)");
 
-static const char *sof_override_tplg_name;
+static int sof_pci_ipc_type = -1;
+module_param_named(ipc_type, sof_pci_ipc_type, int, 0444);
+MODULE_PARM_DESC(ipc_type, "SOF IPC type (0): SOF, (1) Intel CAVS");
+
+static const char *sof_dmi_override_tplg_name;
+static bool sof_dmi_use_community_key;
 
 #define SOF_PCI_DISABLE_PM_RUNTIME BIT(0)
 
 static int sof_tplg_cb(const struct dmi_system_id *id)
 {
-	sof_override_tplg_name = id->driver_data;
+	sof_dmi_override_tplg_name = id->driver_data;
 	return 1;
 }
 
@@ -94,15 +108,35 @@ static const struct dmi_system_id sof_tplg_table[] = {
 	{}
 };
 
+/* all Up boards use the community key */
+static int up_use_community_key(const struct dmi_system_id *id)
+{
+	sof_dmi_use_community_key = true;
+	return 1;
+}
+
+/*
+ * For ApolloLake Chromebooks we want to force the use of the Intel production key.
+ * All newer platforms use the community key
+ */
+static int chromebook_use_community_key(const struct dmi_system_id *id)
+{
+	if (!soc_intel_is_apl())
+		sof_dmi_use_community_key = true;
+	return 1;
+}
+
 static const struct dmi_system_id community_key_platforms[] = {
 	{
 		.ident = "Up boards",
+		.callback = up_use_community_key,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
 		}
 	},
 	{
 		.ident = "Google Chromebooks",
+		.callback = chromebook_use_community_key,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 		}
@@ -178,7 +212,36 @@ int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 	sof_pdata->name = pci_name(pci);
 	sof_pdata->desc = desc;
 	sof_pdata->dev = dev;
-	sof_pdata->fw_filename = desc->default_fw_filename;
+
+	sof_pdata->ipc_type = desc->ipc_default;
+
+	if (sof_pci_ipc_type < 0) {
+		sof_pdata->ipc_type = desc->ipc_default;
+	} else {
+		dev_info(dev, "overriding default IPC %d to requested %d\n",
+			 desc->ipc_default, sof_pci_ipc_type);
+		if (sof_pci_ipc_type >= SOF_IPC_TYPE_COUNT) {
+			dev_err(dev, "invalid request value %d\n", sof_pci_ipc_type);
+			ret = -EINVAL;
+			goto out;
+		}
+		if (!(BIT(sof_pci_ipc_type) & desc->ipc_supported_mask)) {
+			dev_err(dev, "invalid request value %d, supported mask is %#x\n",
+				sof_pci_ipc_type, desc->ipc_supported_mask);
+			ret = -EINVAL;
+			goto out;
+		}
+		sof_pdata->ipc_type = sof_pci_ipc_type;
+	}
+
+	if (fw_filename) {
+		sof_pdata->fw_filename = fw_filename;
+
+		dev_dbg(dev, "Module parameter used, changed fw filename to %s\n",
+			sof_pdata->fw_filename);
+	} else {
+		sof_pdata->fw_filename = desc->default_fw_filename[sof_pdata->ipc_type];
+	}
 
 	/*
 	 * for platforms using the SOF community key, change the
@@ -195,10 +258,10 @@ int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 			"Module parameter used, changed fw path to %s\n",
 			sof_pdata->fw_filename_prefix);
 
-	} else if (dmi_check_system(community_key_platforms)) {
+	} else if (dmi_check_system(community_key_platforms) && sof_dmi_use_community_key) {
 		sof_pdata->fw_filename_prefix =
 			devm_kasprintf(dev, GFP_KERNEL, "%s/%s",
-				       sof_pdata->desc->default_fw_path,
+				       sof_pdata->desc->default_fw_path[sof_pdata->ipc_type],
 				       "community");
 
 		dev_dbg(dev,
@@ -206,24 +269,37 @@ int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 			sof_pdata->fw_filename_prefix);
 	} else {
 		sof_pdata->fw_filename_prefix =
-			sof_pdata->desc->default_fw_path;
+			sof_pdata->desc->default_fw_path[sof_pdata->ipc_type];
 	}
 
 	if (tplg_path)
 		sof_pdata->tplg_filename_prefix = tplg_path;
 	else
 		sof_pdata->tplg_filename_prefix =
-			sof_pdata->desc->default_tplg_path;
+			sof_pdata->desc->default_tplg_path[sof_pdata->ipc_type];
 
-	dmi_check_system(sof_tplg_table);
-	if (sof_override_tplg_name)
-		sof_pdata->tplg_filename = sof_override_tplg_name;
+	/*
+	 * the topology filename will be provided in the machine descriptor, unless
+	 * it is overridden by a module parameter or DMI quirk.
+	 */
+	if (tplg_filename) {
+		sof_pdata->tplg_filename = tplg_filename;
+
+		dev_dbg(dev, "Module parameter used, changed tplg filename to %s\n",
+			sof_pdata->tplg_filename);
+	} else {
+		dmi_check_system(sof_tplg_table);
+		if (sof_dmi_override_tplg_name)
+			sof_pdata->tplg_filename = sof_dmi_override_tplg_name;
+	}
 
 	/* set callback to be called on successful device probe to enable runtime_pm */
 	sof_pdata->sof_probe_complete = sof_pci_probe_complete;
 
 	/* call sof helper for DSP hardware probe */
 	ret = snd_sof_device_probe(dev, sof_pdata);
+
+out:
 	if (ret)
 		pci_release_regions(pci);