diff options
| author | Gregory Greenman <gregory.greenman@intel.com> | 2021-02-10 17:15:04 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-02-11 01:52:06 +0200 |
| commit | 4e8fe214f7c0ca75f512dd573f944221ecdf053e (patch) | |
| tree | f7761ad61492b2871e9c419830b539a5a53e87f7 /drivers/net/wireless/intel/iwlwifi/mvm/fw.c | |
| parent | 21254908cbe995a3982a23da32c30d1b43467043 (diff) | |
iwlwifi: acpi: add support for DSM RFI
BIOS provides RFI feature enable/disable state via WiFi DSM ACPI
object. By default the feature should be disabled.
The GUID for this feature is different from the one driver currently
uses, so need to provide a set of new definitions.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210171218.242bfe368981.Iaccce1e2fa3986b174d0b08942aa4fbf8bb94a95@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 20e93a9aff02..4d5def7e2d8c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1141,7 +1141,8 @@ static u8 iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm) u8 value; int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0, - DSM_FUNC_ENABLE_INDONESIA_5G2, &value); + DSM_FUNC_ENABLE_INDONESIA_5G2, + &iwl_guid, &value); if (ret < 0) IWL_DEBUG_RADIO(mvm, @@ -1162,11 +1163,36 @@ static u8 iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm) return DSM_VALUE_INDONESIA_DISABLE; } +static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm) +{ + u8 value; + int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0, DSM_RFI_FUNC_ENABLE, + &iwl_rfi_guid, &value); + + if (ret < 0) { + IWL_DEBUG_RADIO(mvm, "Failed to get DSM RFI, ret=%d\n", ret); + + } else if (value >= DSM_VALUE_RFI_MAX) { + IWL_DEBUG_RADIO(mvm, "DSM RFI got invalid value, ret=%d\n", + value); + + } else if (value == DSM_VALUE_RFI_ENABLE) { + IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to enable\n"); + return DSM_VALUE_RFI_ENABLE; + } + + IWL_DEBUG_RADIO(mvm, "DSM RFI is disabled\n"); + + /* default behaviour is disabled */ + return DSM_VALUE_RFI_DISABLE; +} + static u8 iwl_mvm_eval_dsm_disable_srd(struct iwl_mvm *mvm) { u8 value; int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0, - DSM_FUNC_DISABLE_SRD, &value); + DSM_FUNC_DISABLE_SRD, + &iwl_guid, &value); if (ret < 0) IWL_DEBUG_RADIO(mvm, @@ -1267,6 +1293,11 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm) static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm) { } + +static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm) +{ + return DSM_VALUE_RFI_DISABLE; +} #endif /* CONFIG_ACPI */ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) @@ -1603,6 +1634,12 @@ int iwl_mvm_up(struct iwl_mvm *mvm) iwl_mvm_ftm_initiator_smooth_config(mvm); + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_RFIM_SUPPORT)) { + if (iwl_mvm_eval_dsm_rfi(mvm) == DSM_VALUE_RFI_ENABLE) + iwl_rfi_send_config_cmd(mvm, NULL); + } + IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); return 0; error: |