diff options
| author | Rander Wang <rander.wang@intel.com> | 2022-04-21 19:33:56 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-04-22 14:37:25 +0300 |
| commit | 4bfbbb76e82e5f1e0e114e0831356656b4169c80 (patch) | |
| tree | 187d5e92a44474199cad739bc2a003c3f2297132 /sound/soc/sof/sof-pci-dev.c | |
| parent | d81e4ba5ef1c1033b6c720b22fc99feeb71e71a0 (diff) | |
| download | linux-4bfbbb76e82e5f1e0e114e0831356656b4169c80.tar.xz | |
ASOC: SOF: pci: add ipc_type override for Intel IPC4 tests
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 <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220421163358.319489-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/sof-pci-dev.c')
| -rw-r--r-- | sound/soc/sof/sof-pci-dev.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c index 003120721779..cd90da7c92c2 100644 --- a/sound/soc/sof/sof-pci-dev.c +++ b/sound/soc/sof/sof-pci-dev.c @@ -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; |