@@ -44,6 +44,11 @@ enum iwl_regulatory_and_nvm_subcmd_ids {
*/
SAR_OFFSET_MAPPING_TABLE_CMD = 0x4,
+ /**
+ * @UATS_TABLE_CMD: &struct iwl_uats_table_cmd
+ */
+ UATS_TABLE_CMD = 0x5,
+
/**
* @PNVM_INIT_COMPLETE_NTFY: &struct iwl_pnvm_init_complete_ntfy
*/
@@ -650,4 +655,17 @@ struct iwl_pnvm_init_complete_ntfy {
__le32 status;
} __packed; /* PNVM_INIT_COMPLETE_NTFY_S_VER_1 */
+#define UATS_TABLE_ROW_SIZE 26
+#define UATS_TABLE_COL_SIZE 13
+
+/**
+ * struct iwl_uats_table_cmd - struct for UATS_TABLE_CMD
+ * @offset_map: mapping a mcc to UHB AP type support (UATS) allowed
+ * @reserved: reserved
+ */
+struct iwl_uats_table_cmd {
+ u8 offset_map[UATS_TABLE_ROW_SIZE][UATS_TABLE_COL_SIZE];
+ __le16 reserved;
+} __packed; /* UATS_TABLE_CMD_S_VER_1 */
+
#endif /* __iwl_fw_api_nvm_reg_h__ */
@@ -98,6 +98,8 @@ struct iwl_txf_iter_data {
* @cur_fw_img: current firmware image, must be maintained by
* the driver by calling &iwl_fw_set_current_image()
* @dump: debug dump data
+ * @uats_enabled: VLP or AFC AP is enabled
+ * @uats_table: AP type table
*/
struct iwl_fw_runtime {
struct iwl_trans *trans;
@@ -171,6 +173,8 @@ struct iwl_fw_runtime {
struct iwl_sar_offset_mapping_cmd sgom_table;
bool sgom_enabled;
u8 reduced_power_flags;
+ bool uats_enabled;
+ struct iwl_uats_table_cmd uats_table;
#endif
};
@@ -388,4 +388,54 @@ void iwl_uefi_get_sgom_table(struct iwl_trans *trans,
kfree(data);
}
IWL_EXPORT_SYMBOL(iwl_uefi_get_sgom_table);
+
+static int iwl_uefi_uats_parse(struct uefi_cnv_wlan_uats_data *uats_data,
+ struct iwl_fw_runtime *fwrt)
+{
+ if (uats_data->revision != 1)
+ return -EINVAL;
+
+ memcpy(fwrt->uats_table.offset_map, uats_data->offset_map,
+ sizeof(fwrt->uats_table.offset_map));
+ return 0;
+}
+
+int iwl_uefi_get_uats_table(struct iwl_trans *trans,
+ struct iwl_fw_runtime *fwrt)
+{
+ struct uefi_cnv_wlan_uats_data *data;
+ unsigned long package_size;
+ int ret;
+
+ data = iwl_uefi_get_variable(IWL_UEFI_UATS_NAME, &IWL_EFI_VAR_GUID,
+ &package_size);
+ if (IS_ERR(data)) {
+ IWL_DEBUG_FW(trans,
+ "UATS UEFI variable not found 0x%lx\n",
+ PTR_ERR(data));
+ return -EINVAL;
+ }
+
+ if (package_size < sizeof(*data)) {
+ IWL_DEBUG_FW(trans,
+ "Invalid UATS table UEFI variable len (%lu)\n",
+ package_size);
+ kfree(data);
+ return -EINVAL;
+ }
+
+ IWL_DEBUG_FW(trans, "Read UATS from UEFI with size %lu\n",
+ package_size);
+
+ ret = iwl_uefi_uats_parse(data, fwrt);
+ if (ret < 0) {
+ IWL_DEBUG_FW(trans, "Cannot read UATS table. rev is invalid\n");
+ kfree(data);
+ return ret;
+ }
+
+ kfree(data);
+ return 0;
+}
+IWL_EXPORT_SYMBOL(iwl_uefi_get_uats_table);
#endif /* CONFIG_ACPI */
@@ -9,8 +9,10 @@
#define IWL_UEFI_REDUCED_POWER_NAME L"UefiCnvWlanReducedPower"
#define IWL_UEFI_SGOM_NAME L"UefiCnvWlanSarGeoOffsetMapping"
#define IWL_UEFI_STEP_NAME L"UefiCnvCommonSTEP"
+#define IWL_UEFI_UATS_NAME L"CnvUefiWlanUATS"
#define IWL_SGOM_MAP_SIZE 339
+#define IWL_UATS_MAP_SIZE 339
struct pnvm_sku_package {
u8 rev;
@@ -25,6 +27,11 @@ struct uefi_cnv_wlan_sgom_data {
u8 offset_map[IWL_SGOM_MAP_SIZE - 1];
} __packed;
+struct uefi_cnv_wlan_uats_data {
+ u8 revision;
+ u8 offset_map[IWL_UATS_MAP_SIZE - 1];
+} __packed;
+
struct uefi_cnv_common_step_data {
u8 revision;
u8 step_mode;
@@ -82,10 +89,20 @@ iwl_uefi_handle_tlv_mem_desc(struct iwl_trans *trans, const u8 *data,
#if defined(CONFIG_EFI) && defined(CONFIG_ACPI)
void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt);
+int iwl_uefi_get_uats_table(struct iwl_trans *trans,
+ struct iwl_fw_runtime *fwrt);
#else
static inline
void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt)
{
}
+
+static inline
+int iwl_uefi_get_uats_table(struct iwl_trans *trans,
+ struct iwl_fw_runtime *fwrt)
+{
+ return 0;
+}
+
#endif
#endif /* __iwl_fw_uefi__ */
@@ -15,6 +15,7 @@
#include "iwl-prph.h"
#include "fw/acpi.h"
#include "fw/pnvm.h"
+#include "fw/uefi.h"
#include "mvm.h"
#include "fw/dbg.h"
@@ -29,6 +30,9 @@
#define IWL_TAS_US_MCC 0x5553
#define IWL_TAS_CANADA_MCC 0x4341
+#define IWL_UATS_VLP_AP_SUPPORTED BIT(29)
+#define IWL_UATS_AFC_AP_SUPPORTED BIT(30)
+
struct iwl_mvm_alive_data {
bool valid;
u32 scd_base_addr;
@@ -487,6 +491,52 @@ static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
}
#if defined(CONFIG_ACPI) && defined(CONFIG_EFI)
+static void iwl_mvm_uats_init(struct iwl_mvm *mvm)
+{
+ u8 cmd_ver;
+ int ret;
+ struct iwl_host_cmd cmd = {
+ .id = WIDE_ID(REGULATORY_AND_NVM_GROUP,
+ UATS_TABLE_CMD),
+ .flags = 0,
+ .data[0] = &mvm->fwrt.uats_table,
+ .len[0] = sizeof(mvm->fwrt.uats_table),
+ .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
+ };
+
+ if (!(mvm->trans->trans_cfg->device_family >=
+ IWL_DEVICE_FAMILY_AX210)) {
+ IWL_DEBUG_RADIO(mvm, "UATS feature is not supported\n");
+ return;
+ }
+
+ if (!mvm->fwrt.uats_enabled) {
+ IWL_DEBUG_RADIO(mvm, "UATS feature is disabled\n");
+ return;
+ }
+
+ cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd.id,
+ IWL_FW_CMD_VER_UNKNOWN);
+ if (cmd_ver != 1) {
+ IWL_DEBUG_RADIO(mvm,
+ "UATS_TABLE_CMD ver %d not supported\n",
+ cmd_ver);
+ return;
+ }
+
+ ret = iwl_uefi_get_uats_table(mvm->trans, &mvm->fwrt);
+ if (ret < 0) {
+ IWL_ERR(mvm, "failed to read UATS table (%d)\n", ret);
+ return;
+ }
+
+ ret = iwl_mvm_send_cmd(mvm, &cmd);
+ if (ret < 0)
+ IWL_ERR(mvm, "failed to send UATS_TABLE_CMD (%d)\n", ret);
+ else
+ IWL_DEBUG_RADIO(mvm, "UATS_TABLE_CMD sent to FW\n");
+}
+
static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
{
u8 cmd_ver;
@@ -526,6 +576,10 @@ static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
{
return 0;
}
+
+static void iwl_mvm_uats_init(struct iwl_mvm *mvm)
+{
+}
#endif
static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
@@ -1336,6 +1390,10 @@ static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
"Failed to send LARI_CONFIG_CHANGE (%d)\n",
ret);
}
+
+ if (le32_to_cpu(cmd.oem_uhb_allow_bitmap) & IWL_UATS_VLP_AP_SUPPORTED ||
+ le32_to_cpu(cmd.oem_uhb_allow_bitmap) & IWL_UATS_AFC_AP_SUPPORTED)
+ mvm->fwrt.uats_enabled = TRUE;
}
void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
@@ -1745,6 +1803,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
iwl_mvm_tas_init(mvm);
iwl_mvm_leds_sync(mvm);
+ iwl_mvm_uats_init(mvm);
if (iwl_rfi_supported(mvm)) {
if (iwl_mvm_eval_dsm_rfi(mvm) == DSM_VALUE_RFI_ENABLE)