3 files changed, 67 insertions, 18 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h
index 9d87fddd29b6..7da57ef2454e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h
@@ -363,6 +363,7 @@ struct iwl_dev_tx_power_cmd {
 } __packed; /* TX_REDUCED_POWER_API_S_VER_4 */
 
 #define IWL_NUM_GEO_PROFILES	3
+#define IWL_GEO_PER_CHAIN_SIZE	3
 
 /**
  * enum iwl_geo_per_chain_offset_operation - type of operation
@@ -402,6 +403,14 @@ struct iwl_geo_tx_power_profiles_cmd {
 } __packed; /* GEO_TX_POWER_LIMIT */
 
 /**
+ * struct iwl_geo_tx_power_profiles_resp -  response to GEO_TX_POWER_LIMIT cmd
+ * @profile_idx: current geo profile in use
+ */
+struct iwl_geo_tx_power_profiles_resp {
+	__le32 profile_idx;
+} __packed; /* GEO_TX_POWER_LIMIT_RESP */
+
+/**
  * struct iwl_beacon_filter_cmd
  * REPLY_BEACON_FILTERING_CMD = 0xd2 (command)
  * @bf_energy_delta: Used for RSSI filtering, if in 'normal' state. Send beacon
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 24cc406d87ef..273e19460016 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1243,15 +1243,15 @@ out_free:
 	return ret;
 }
 
-static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm,
-				      struct iwl_mvm_geo_table *geo_table)
+static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
 {
 	union acpi_object *wifi_pkg;
 	acpi_handle root_handle;
 	acpi_handle handle;
 	struct acpi_buffer wgds = {ACPI_ALLOCATE_BUFFER, NULL};
 	acpi_status status;
-	int i, ret;
+	int i, j, ret;
+	int idx = 1;
 
 	root_handle = ACPI_HANDLE(mvm->dev);
 	if (!root_handle) {
@@ -1282,15 +1282,17 @@ static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm,
 		goto out_free;
 	}
 
-	for (i = 0; i < ACPI_WGDS_WIFI_DATA_SIZE; i++) {
-		union acpi_object *entry;
+	for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
+		for (j = 0; j < IWL_MVM_GEO_TABLE_SIZE; j++) {
+			union acpi_object *entry;
 
-		entry = &wifi_pkg->package.elements[i + 1];
-		if ((entry->type != ACPI_TYPE_INTEGER) ||
-		    (entry->integer.value > U8_MAX))
-			return -EINVAL;
+			entry = &wifi_pkg->package.elements[idx++];
+			if ((entry->type != ACPI_TYPE_INTEGER) ||
+			    (entry->integer.value > U8_MAX))
+				return -EINVAL;
 
-		geo_table->values[i] = entry->integer.value;
+			mvm->geo_profiles[i].values[j] = entry->integer.value;
+		}
 	}
 	ret = 0;
 out_free:
@@ -1351,16 +1353,47 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 }
 
+int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
+{
+	struct iwl_geo_tx_power_profiles_resp *resp;
+	int ret;
+
+	struct iwl_geo_tx_power_profiles_cmd geo_cmd = {
+		.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE),
+	};
+	struct iwl_host_cmd cmd = {
+		.id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
+		.len = { sizeof(geo_cmd), },
+		.flags = CMD_WANT_SKB,
+		.data = { &geo_cmd },
+	};
+
+	ret = iwl_mvm_send_cmd(mvm, &cmd);
+	if (ret) {
+		IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
+		return ret;
+	}
+
+	resp = (void *)cmd.resp_pkt->data;
+	ret = le32_to_cpu(resp->profile_idx);
+	if (WARN_ON(ret > IWL_NUM_GEO_PROFILES)) {
+		ret = -EIO;
+		IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
+	}
+
+	iwl_free_resp(&cmd);
+	return ret;
+}
+
 static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 {
-	struct iwl_mvm_geo_table geo_table;
 	struct iwl_geo_tx_power_profiles_cmd cmd = {
 		.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
 	};
-	int ret, i, j, idx;
+	int ret, i, j;
 	u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 
-	ret = iwl_mvm_sar_get_wgds_table(mvm, &geo_table);
+	ret = iwl_mvm_sar_get_wgds_table(mvm);
 	if (ret < 0) {
 		IWL_DEBUG_RADIO(mvm,
 				"Geo SAR BIOS table invalid or unavailable. (%d)\n",
@@ -1381,9 +1414,8 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 		for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
 			u8 *value;
 
-			idx = i * ACPI_WGDS_NUM_BANDS * ACPI_WGDS_TABLE_SIZE +
-				j * ACPI_WGDS_TABLE_SIZE;
-			value = &geo_table.values[idx];
+			value = &mvm->geo_profiles[i].values[j *
+				IWL_GEO_PER_CHAIN_SIZE];
 			chain[j].max_tx_power = cpu_to_le16(value[0]);
 			chain[j].chain_a = value[1];
 			chain[j].chain_b = value[2];
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 3b1f15873034..9b777b847e22 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -724,14 +724,14 @@ enum iwl_mvm_queue_status {
 #ifdef CONFIG_ACPI
 #define IWL_MVM_SAR_TABLE_SIZE		10
 #define IWL_MVM_SAR_PROFILE_NUM		4
-#define IWL_MVM_GEO_TABLE_SIZE		18
+#define IWL_MVM_GEO_TABLE_SIZE		6
 
 struct iwl_mvm_sar_profile {
 	bool enabled;
 	u8 table[IWL_MVM_SAR_TABLE_SIZE];
 };
 
-struct iwl_mvm_geo_table {
+struct iwl_mvm_geo_profile {
 	u8 values[IWL_MVM_GEO_TABLE_SIZE];
 };
 #endif
@@ -1071,6 +1071,7 @@ struct iwl_mvm {
 	struct delayed_work cs_tx_unblock_dwork;
 #ifdef CONFIG_ACPI
 	struct iwl_mvm_sar_profile sar_profiles[IWL_MVM_SAR_PROFILE_NUM];
+	struct iwl_mvm_geo_profile geo_profiles[IWL_NUM_GEO_PROFILES];
 #endif
 };
 
@@ -1889,12 +1890,19 @@ bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
 
 #ifdef CONFIG_ACPI
 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
+int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
 #else
 static inline
 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 {
 	return -ENOENT;
 }
+
+static inline
+int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
+{
+	return -ENOENT;
+}
 #endif /* CONFIG_ACPI */
 
 #endif /* __IWL_MVM_H__ */