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ASOC: SOF: pci: add ipc_type override for Intel IPC4 tests

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Add a kernel module parameter for select the non-default IPC type.

This should only be used by developers with access to firmware and
topology files, typically Intel and partners.

Signed-off-by: Rander Wang <[email protected]>
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Signed-off-by: Ranjani Sridharan <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Reviewed-by: Bard Liao <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Rander Wang authored and Mark Brown committed 2022-04-22 12:37:25 +01:00
1 parent d81e4ba5ef
commit 4bfbbb76e8
2 files changed
+28
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sound/soc/sof/core.c
+7
View File
@@ -358,6 +358,13 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
sdev->first_boot = true;
dev_set_drvdata(dev, sdev);
/* check IPC support */
if (!(BIT(plat_data->ipc_type) & plat_data->desc->ipc_supported_mask)) {
dev_err(dev, "ipc_type %d is not supported on this platform, mask is %#x\n",
plat_data->ipc_type, plat_data->desc->ipc_supported_mask);
return -EINVAL;
}
/* init ops, if necessary */
ret = sof_ops_init(sdev);
if (ret < 0)
sound/soc/sof/sof-pci-dev.c
+21
View File
@@ -40,6 +40,10 @@ 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 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;
@@ -206,6 +210,23 @@ int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
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);
return -EINVAL;
}
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);
return -EINVAL;
}
sof_pdata->ipc_type = sof_pci_ipc_type;
}
if (fw_filename) {
sof_pdata->fw_filename = fw_filename;