diff options
| author | Mordechay Goodstein <mordechay.goodstein@intel.com> | 2020-04-18 11:08:50 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2020-04-24 16:38:11 +0300 |
| commit | 28dd7ccdc56fbde66d49a36dc1fce06730586681 (patch) | |
| tree | ac7914723d38f1d76f3738cb18c728975ffbbd3f /drivers/net/wireless/intel/iwlwifi/mvm/fw.c | |
| parent | 9efab1ad3ffb5b5ecbe24ea5ace420a9b7466338 (diff) | |
iwlwifi: acpi: read TAS table from ACPI and send it to the FW
Read the Time Averaged SAR (TAS) table from ACPI and if TAS
feature is enabled in the FW send the black list countries
which TAS is disabled in to the FW
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200418110539.40a327d32cfd.I7203f3afc8186cca34c48a1a116baac1df5eff4e@changeid
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 2bc15ef13bb5..bf3eaadfb343 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -979,6 +979,40 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm) return iwl_mvm_ppag_send_cmd(mvm); } +static void iwl_mvm_tas_init(struct iwl_mvm *mvm) +{ + int ret; + struct iwl_tas_config_cmd cmd = {}; + int list_size; + + BUILD_BUG_ON(ARRAY_SIZE(cmd.black_list_array) < + APCI_WTAS_BLACK_LIST_MAX); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TAS_CFG)) { + IWL_DEBUG_RADIO(mvm, "TAS not enabled in FW\n"); + return; + } + + ret = iwl_acpi_get_tas(&mvm->fwrt, cmd.black_list_array, &list_size); + if (ret < 0) { + IWL_DEBUG_RADIO(mvm, + "TAS table invalid or unavailable. (%d)\n", + ret); + return; + } + + if (list_size < 0) + return; + + /* list size if TAS enabled can only be non-negative */ + cmd.black_list_size = cpu_to_le32((u32)list_size); + + ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, + TAS_CONFIG), + 0, sizeof(cmd), &cmd); + if (ret < 0) + IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret); +} #else /* CONFIG_ACPI */ inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, @@ -1006,6 +1040,10 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm) { return 0; } + +static void iwl_mvm_tas_init(struct iwl_mvm *mvm) +{ +} #endif /* CONFIG_ACPI */ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags) @@ -1333,6 +1371,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) if (ret < 0) goto error; + iwl_mvm_tas_init(mvm); iwl_mvm_leds_sync(mvm); IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); |