wifi: iwlwifi: mvm: Add debugfs to get TAS status

Add debugfs file in mvm to retrieve TAS status per LMAC,
TAS block list, current mcc, OEM name and OEM allowed list.

Signed-off-by: Abhishek Naik <abhishek.naik@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230320122330.8efc8c41efae.I94e1a6efb9c33e2cdbcf4bf3ed2384005397dee9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
index 0c555089e05f..8fef38139bf6 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
@@ -43,6 +43,12 @@ enum iwl_debug_cmds {
 	 */
 	BUFFER_ALLOCATION = 0x8,
 	/**
+	 * @GET_TAS_STATUS:
+	 * sends command to fw to get TAS status
+	 * the response is &struct iwl_mvm_tas_status_resp
+	 */
+	GET_TAS_STATUS = 0xA,
+	/**
 	 * @FW_DUMP_COMPLETE_CMD:
 	 * sends command to fw once dump collection completed
 	 * &struct iwl_dbg_dump_complete_cmd
@@ -421,4 +427,94 @@ struct iwl_dbg_dump_complete_cmd {
 	__le32 tp_data;
 } __packed; /* FW_DUMP_COMPLETE_CMD_API_S_VER_1 */
 
+#define TAS_LMAC_BAND_HB       0
+#define TAS_LMAC_BAND_LB       1
+#define TAS_LMAC_BAND_UHB      2
+#define TAS_LMAC_BAND_INVALID  3
+
+/**
+ * struct iwl_mvm_tas_status_per_mac - tas status per lmac
+ * @static_status: tas statically enabled or disabled per lmac - TRUE/FALSE
+ * @static_dis_reason: TAS static disable reason, uses
+ *	&enum iwl_mvm_tas_statically_disabled_reason
+ * @dynamic_status: Current TAS  status. uses
+ *	&enum iwl_mvm_tas_dyna_status
+ * @near_disconnection: is TAS currently near disconnection per lmac? - TRUE/FALSE
+ * @max_reg_pwr_limit: Regulatory power limits in dBm
+ * @sar_limit: SAR limits per lmac in dBm
+ * @band: Band per lmac
+ * @reserved: reserved
+ */
+struct iwl_mvm_tas_status_per_mac {
+	u8 static_status;
+	u8 static_dis_reason;
+	u8 dynamic_status;
+	u8 near_disconnection;
+	__le16 max_reg_pwr_limit;
+	__le16 sar_limit;
+	u8 band;
+	u8 reserved[3];
+} __packed; /*DEBUG_GET_TAS_STATUS_PER_MAC_S_VER_1*/
+
+/**
+ * struct iwl_mvm_tas_status_resp - Response to GET_TAS_STATUS
+ * @tas_fw_version: TAS FW version
+ * @is_uhb_for_usa_enable: is UHB enabled in USA? - TRUE/FALSE
+ * @curr_mcc: current mcc
+ * @block_list: country block list
+ * @tas_status_mac: TAS status per lmac, uses
+ *	&struct iwl_mvm_tas_status_per_mac
+ * @in_dual_radio: is TAS in dual radio? - TRUE/FALSE
+ * @reserved: reserved
+ */
+struct iwl_mvm_tas_status_resp {
+	u8 tas_fw_version;
+	u8 is_uhb_for_usa_enable;
+	__le16 curr_mcc;
+	__le16 block_list[16];
+	struct iwl_mvm_tas_status_per_mac tas_status_mac[2];
+	u8 in_dual_radio;
+	u8 reserved[3];
+} __packed; /*DEBUG_GET_TAS_STATUS_RSP_API_S_VER_3*/
+
+/**
+ * enum iwl_mvm_tas_dyna_status - TAS current running status
+ * @TAS_DYNA_INACTIVE: TAS status is inactive
+ * @TAS_DYNA_INACTIVE_MVM_MODE: TAS is disabled due because FW is in MVM mode
+ *	or is in softap mode.
+ * @TAS_DYNA_INACTIVE_TRIGGER_MODE: TAS is disabled because FW is in
+ *	multi user trigger mode
+ * @TAS_DYNA_INACTIVE_BLOCK_LISTED: TAS is disabled because  current mcc
+ *	is blocklisted mcc
+ * @TAS_DYNA_INACTIVE_UHB_NON_US: TAS is disabled because current band is UHB
+ *	and current mcc is USA
+ * @TAS_DYNA_ACTIVE: TAS is currently active
+ * @TAS_DYNA_STATUS_MAX: TAS status max value
+ */
+enum iwl_mvm_tas_dyna_status {
+	TAS_DYNA_INACTIVE,
+	TAS_DYNA_INACTIVE_MVM_MODE,
+	TAS_DYNA_INACTIVE_TRIGGER_MODE,
+	TAS_DYNA_INACTIVE_BLOCK_LISTED,
+	TAS_DYNA_INACTIVE_UHB_NON_US,
+	TAS_DYNA_ACTIVE,
+
+	TAS_DYNA_STATUS_MAX,
+}; /*_TAS_DYNA_STATUS_E*/
+
+/**
+ * enum iwl_mvm_tas_statically_disabled_reason - TAS statically disabled reason
+ * @TAS_DISABLED_DUE_TO_BIOS: TAS is disabled because TAS is disabled in BIOS
+ * @TAS_DISABLED_DUE_TO_SAR_6DBM: TAS is disabled because SAR limit is less than 6 Dbm
+ * @TAS_DISABLED_REASON_INVALID: TAS disable reason is invalid
+ * @TAS_DISABLED_REASON_MAX: TAS disable reason max value
+ */
+enum iwl_mvm_tas_statically_disabled_reason {
+	TAS_DISABLED_DUE_TO_BIOS,
+	TAS_DISABLED_DUE_TO_SAR_6DBM,
+	TAS_DISABLED_REASON_INVALID,
+
+	TAS_DISABLED_REASON_MAX,
+}; /*_TAS_STATICALLY_DISABLED_REASON_E*/
+
 #endif /* __iwl_fw_api_debug_h__ */