1 files changed, 165 insertions, 62 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 863fec150e53..6f4690e56a46 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -12,8 +12,6 @@
 #include "iwl-op-mode.h"
 #include "fw/img.h"
 #include "iwl-debug.h"
-#include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
-#include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
 #include "iwl-prph.h"
 #include "fw/acpi.h"
 #include "fw/pnvm.h"
@@ -32,6 +30,9 @@
 #define IWL_PPAG_MASK 3
 #define IWL_PPAG_ETSI_MASK BIT(0)
 
+#define IWL_TAS_US_MCC 0x5553
+#define IWL_TAS_CANADA_MCC 0x4341
+
 struct iwl_mvm_alive_data {
 	bool valid;
 	u32 scd_base_addr;
@@ -123,13 +124,15 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 	struct iwl_lmac_alive *lmac2 = NULL;
 	u16 status;
 	u32 lmac_error_event_table, umac_error_table;
+	u32 version = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
+					      UCODE_ALIVE_NTFY, 0);
 
 	/*
 	 * For v5 and above, we can check the version, for older
 	 * versions we need to check the size.
 	 */
-	if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
-				    UCODE_ALIVE_NTFY, 0) == 5) {
+	if (version == 5 || version == 6) {
+		/* v5 and v6 are compatible (only IMR addition) */
 		struct iwl_alive_ntf_v5 *palive;
 
 		if (pkt_len < sizeof(*palive))
@@ -516,7 +519,6 @@ static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
 			cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_D);
 	}
 }
-
 #else /* CONFIG_ACPI */
 
 static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
@@ -525,6 +527,49 @@ static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
 }
 #endif /* CONFIG_ACPI */
 
+#if defined(CONFIG_ACPI) && defined(CONFIG_EFI)
+static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
+{
+	u8 cmd_ver;
+	int ret;
+	struct iwl_host_cmd cmd = {
+		.id = WIDE_ID(REGULATORY_AND_NVM_GROUP,
+			      SAR_OFFSET_MAPPING_TABLE_CMD),
+		.flags = 0,
+		.data[0] = &mvm->fwrt.sgom_table,
+		.len[0] =  sizeof(mvm->fwrt.sgom_table),
+		.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
+	};
+
+	if (!mvm->fwrt.sgom_enabled) {
+		IWL_DEBUG_RADIO(mvm, "SGOM table is disabled\n");
+		return 0;
+	}
+
+	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, REGULATORY_AND_NVM_GROUP,
+					SAR_OFFSET_MAPPING_TABLE_CMD,
+					IWL_FW_CMD_VER_UNKNOWN);
+
+	if (cmd_ver != 2) {
+		IWL_DEBUG_RADIO(mvm, "command version is unsupported. version = %d\n",
+				cmd_ver);
+		return 0;
+	}
+
+	ret = iwl_mvm_send_cmd(mvm, &cmd);
+	if (ret < 0)
+		IWL_ERR(mvm, "failed to send SAR_OFFSET_MAPPING_CMD (%d)\n", ret);
+
+	return ret;
+}
+#else
+
+static int iwl_mvm_sgom_init(struct iwl_mvm *mvm)
+{
+	return 0;
+}
+#endif
+
 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 {
 	struct iwl_phy_cfg_cmd_v3 phy_cfg_cmd;
@@ -757,6 +802,8 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 	if (ret)
 		return ret;
 
+	iwl_mei_set_power_limit(per_chain);
+
 	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
 	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 }
@@ -820,6 +867,7 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 	u16 len;
 	u32 n_bands;
 	u32 n_profiles;
+	u32 sk = 0;
 	int ret;
 	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
 					   PER_CHAIN_LIMIT_OFFSET_CMD,
@@ -879,19 +927,26 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 	if (ret)
 		return 0;
 
+	/* Only set to South Korea if the table revision is 1 */
+	if (mvm->fwrt.geo_rev == 1)
+		sk = 1;
+
 	/*
-	 * Set the revision on versions that contain it.
+	 * Set the table_revision to South Korea (1) or not (0).  The
+	 * element name is misleading, as it doesn't contain the table
+	 * revision number, but whether the South Korea variation
+	 * should be used.
 	 * This must be done after calling iwl_sar_geo_init().
 	 */
 	if (cmd_ver == 5)
-		cmd.v5.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
+		cmd.v5.table_revision = cpu_to_le32(sk);
 	else if (cmd_ver == 4)
-		cmd.v4.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
+		cmd.v4.table_revision = cpu_to_le32(sk);
 	else if (cmd_ver == 3)
-		cmd.v3.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
+		cmd.v3.table_revision = cpu_to_le32(sk);
 	else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
 			    IWL_UCODE_TLV_API_SAR_TABLE_VER))
-		cmd.v2.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
+		cmd.v2.table_revision = cpu_to_le32(sk);
 
 	return iwl_mvm_send_cmd_pdu(mvm,
 				    WIDE_ID(PHY_OPS_GROUP,
@@ -904,13 +959,8 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
 	union acpi_object *wifi_pkg, *data, *flags;
 	int i, j, ret, tbl_rev, num_sub_bands;
 	int idx = 2;
-	s8 *gain;
 
-	/*
-	 * The 'flags' field is the same in v1 and in v2 so we can just
-	 * use v1 to access it.
-	 */
-	mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0);
+	mvm->fwrt.ppag_flags = 0;
 
 	data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
 	if (IS_ERR(data))
@@ -922,8 +972,6 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
 	if (!IS_ERR(wifi_pkg)) {
 		if (tbl_rev == 1 || tbl_rev == 2) {
 			num_sub_bands = IWL_NUM_SUB_BANDS_V2;
-			gain = mvm->fwrt.ppag_table.v2.gain[0];
-			mvm->fwrt.ppag_ver = tbl_rev;
 			IWL_DEBUG_RADIO(mvm,
 					"Reading PPAG table v2 (tbl_rev=%d)\n",
 					tbl_rev);
@@ -943,8 +991,6 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
 			goto out_free;
 		}
 		num_sub_bands = IWL_NUM_SUB_BANDS_V1;
-		gain = mvm->fwrt.ppag_table.v1.gain[0];
-		mvm->fwrt.ppag_ver = 0;
 		IWL_DEBUG_RADIO(mvm, "Reading PPAG table v1 (tbl_rev=0)\n");
 		goto read_table;
 	}
@@ -952,6 +998,7 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
 	goto out_free;
 
 read_table:
+	mvm->fwrt.ppag_ver = tbl_rev;
 	flags = &wifi_pkg->package.elements[1];
 
 	if (flags->type != ACPI_TYPE_INTEGER) {
@@ -959,10 +1006,9 @@ read_table:
 		goto out_free;
 	}
 
-	mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(flags->integer.value &
-						    IWL_PPAG_MASK);
+	mvm->fwrt.ppag_flags = flags->integer.value & IWL_PPAG_MASK;
 
-	if (!mvm->fwrt.ppag_table.v1.flags) {
+	if (!mvm->fwrt.ppag_flags) {
 		ret = 0;
 		goto out_free;
 	}
@@ -982,15 +1028,15 @@ read_table:
 				goto out_free;
 			}
 
-			gain[i * num_sub_bands + j] = ent->integer.value;
+			mvm->fwrt.ppag_chains[i].subbands[j] = ent->integer.value;
 
 			if ((j == 0 &&
-			     (gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_LB ||
-			      gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_LB)) ||
+			     (mvm->fwrt.ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_LB ||
+			      mvm->fwrt.ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_LB)) ||
 			    (j != 0 &&
-			     (gain[i * num_sub_bands + j] > ACPI_PPAG_MAX_HB ||
-			      gain[i * num_sub_bands + j] < ACPI_PPAG_MIN_HB))) {
-				mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0);
+			     (mvm->fwrt.ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_HB ||
+			      mvm->fwrt.ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_HB))) {
+				mvm->fwrt.ppag_flags = 0;
 				ret = -EINVAL;
 				goto out_free;
 			}
@@ -1005,6 +1051,7 @@ out_free:
 
 int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 {
+	union iwl_ppag_table_cmd cmd;
 	u8 cmd_ver;
 	int i, j, ret, num_sub_bands, cmd_size;
 	s8 *gain;
@@ -1014,37 +1061,39 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 				"PPAG capability not supported by FW, command not sent.\n");
 		return 0;
 	}
-	if (!mvm->fwrt.ppag_table.v1.flags) {
+	if (!mvm->fwrt.ppag_flags) {
 		IWL_DEBUG_RADIO(mvm, "PPAG not enabled, command not sent.\n");
 		return 0;
 	}
 
+	/* The 'flags' field is the same in v1 and in v2 so we can just
+	 * use v1 to access it.
+	 */
+	cmd.v1.flags = cpu_to_le32(mvm->fwrt.ppag_flags);
 	cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, PHY_OPS_GROUP,
 					PER_PLATFORM_ANT_GAIN_CMD,
 					IWL_FW_CMD_VER_UNKNOWN);
 	if (cmd_ver == 1) {
 		num_sub_bands = IWL_NUM_SUB_BANDS_V1;
-		gain = mvm->fwrt.ppag_table.v1.gain[0];
-		cmd_size = sizeof(mvm->fwrt.ppag_table.v1);
+		gain = cmd.v1.gain[0];
+		cmd_size = sizeof(cmd.v1);
 		if (mvm->fwrt.ppag_ver == 1 || mvm->fwrt.ppag_ver == 2) {
 			IWL_DEBUG_RADIO(mvm,
 					"PPAG table rev is %d but FW supports v1, sending truncated table\n",
 					mvm->fwrt.ppag_ver);
-			mvm->fwrt.ppag_table.v1.flags &=
-				cpu_to_le32(IWL_PPAG_ETSI_MASK);
+			cmd.v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
 		}
 	} else if (cmd_ver == 2 || cmd_ver == 3) {
 		num_sub_bands = IWL_NUM_SUB_BANDS_V2;
-		gain = mvm->fwrt.ppag_table.v2.gain[0];
-		cmd_size = sizeof(mvm->fwrt.ppag_table.v2);
+		gain = cmd.v2.gain[0];
+		cmd_size = sizeof(cmd.v2);
 		if (mvm->fwrt.ppag_ver == 0) {
 			IWL_DEBUG_RADIO(mvm,
 					"PPAG table is v1 but FW supports v2, sending padded table\n");
 		} else if (cmd_ver == 2 && mvm->fwrt.ppag_ver == 2) {
 			IWL_DEBUG_RADIO(mvm,
 					"PPAG table is v3 but FW supports v2, sending partial bitmap.\n");
-			mvm->fwrt.ppag_table.v1.flags &=
-				cpu_to_le32(IWL_PPAG_ETSI_MASK);
+			cmd.v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
 		}
 	} else {
 		IWL_DEBUG_RADIO(mvm, "Unsupported PPAG command version\n");
@@ -1053,6 +1102,8 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 
 	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
 		for (j = 0; j < num_sub_bands; j++) {
+			gain[i * num_sub_bands + j] =
+				mvm->fwrt.ppag_chains[i].subbands[j];
 			IWL_DEBUG_RADIO(mvm,
 					"PPAG table: chain[%d] band[%d]: gain = %d\n",
 					i, j, gain[i * num_sub_bands + j]);
@@ -1061,7 +1112,7 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
 	IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
 						PER_PLATFORM_ANT_GAIN_CMD),
-				   0, cmd_size, &mvm->fwrt.ppag_table);
+				   0, cmd_size, &cmd);
 	if (ret < 0)
 		IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
 			ret);
@@ -1100,18 +1151,63 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
 		IWL_DEBUG_RADIO(mvm,
 				"System vendor '%s' is not in the approved list, disabling PPAG.\n",
 				dmi_get_system_info(DMI_SYS_VENDOR));
-		mvm->fwrt.ppag_table.v1.flags = cpu_to_le32(0);
+		mvm->fwrt.ppag_flags = 0;
 		return 0;
 	}
 
 	return iwl_mvm_ppag_send_cmd(mvm);
 }
 
+static const struct dmi_system_id dmi_tas_approved_list[] = {
+	{ .ident = "HP",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+		},
+	},
+	{ .ident = "SAMSUNG",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
+		},
+	},
+		{ .ident = "LENOVO",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Lenovo"),
+		},
+	},
+	{ .ident = "DELL",
+	  .matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		},
+	},
+
+	/* keep last */
+	{}
+};
+
+static bool iwl_mvm_add_to_tas_block_list(__le32 *list, __le32 *le_size, unsigned int mcc)
+{
+	int i;
+	u32 size = le32_to_cpu(*le_size);
+
+	/* Verify that there is room for another country */
+	if (size >= IWL_TAS_BLOCK_LIST_MAX)
+		return false;
+
+	for (i = 0; i < size; i++) {
+		if (list[i] == cpu_to_le32(mcc))
+			return true;
+	}
+
+	list[size++] = cpu_to_le32(mcc);
+	*le_size = cpu_to_le32(size);
+	return true;
+}
+
 static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
 {
 	int ret;
-	struct iwl_tas_config_cmd cmd = {};
-	int list_size;
+	struct iwl_tas_config_cmd_v3 cmd = {};
+	int cmd_size;
 
 	BUILD_BUG_ON(ARRAY_SIZE(cmd.block_list_array) <
 		     APCI_WTAS_BLACK_LIST_MAX);
@@ -1121,7 +1217,7 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
 		return;
 	}
 
-	ret = iwl_acpi_get_tas(&mvm->fwrt, cmd.block_list_array, &list_size);
+	ret = iwl_acpi_get_tas(&mvm->fwrt, &cmd);
 	if (ret < 0) {
 		IWL_DEBUG_RADIO(mvm,
 				"TAS table invalid or unavailable. (%d)\n",
@@ -1129,15 +1225,32 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
 		return;
 	}
 
-	if (list_size < 0)
+	if (ret == 0)
 		return;
 
-	/* list size if TAS enabled can only be non-negative */
-	cmd.block_list_size = cpu_to_le32((u32)list_size);
+	if (!dmi_check_system(dmi_tas_approved_list)) {
+		IWL_DEBUG_RADIO(mvm,
+				"System vendor '%s' is not in the approved list, disabling TAS in US and Canada.\n",
+				dmi_get_system_info(DMI_SYS_VENDOR));
+		if ((!iwl_mvm_add_to_tas_block_list(cmd.block_list_array,
+						    &cmd.block_list_size, IWL_TAS_US_MCC)) ||
+		    (!iwl_mvm_add_to_tas_block_list(cmd.block_list_array,
+						    &cmd.block_list_size, IWL_TAS_CANADA_MCC))) {
+			IWL_DEBUG_RADIO(mvm,
+					"Unable to add US/Canada to TAS block list, disabling TAS\n");
+			return;
+		}
+	}
+
+	cmd_size = iwl_fw_lookup_cmd_ver(mvm->fw, REGULATORY_AND_NVM_GROUP,
+					 TAS_CONFIG,
+					 IWL_FW_CMD_VER_UNKNOWN) < 3 ?
+		sizeof(struct iwl_tas_config_cmd_v2) :
+		sizeof(struct iwl_tas_config_cmd_v3);
 
 	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
 						TAS_CONFIG),
-				   0, sizeof(cmd), &cmd);
+				   0, cmd_size, &cmd);
 	if (ret < 0)
 		IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret);
 }
@@ -1336,6 +1449,7 @@ static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
 void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
 {
 }
+
 #endif /* CONFIG_ACPI */
 
 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
@@ -1401,7 +1515,6 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
 	if (iwl_mvm_has_unified_ucode(mvm))
 		return iwl_run_unified_mvm_ucode(mvm);
 
-	WARN_ON(!mvm->nvm_data);
 	ret = iwl_run_init_mvm_ucode(mvm);
 
 	if (ret) {
@@ -1631,6 +1744,10 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 	else if (ret < 0)
 		goto error;
 
+	ret = iwl_mvm_sgom_init(mvm);
+	if (ret)
+		goto error;
+
 	iwl_mvm_tas_init(mvm);
 	iwl_mvm_leds_sync(mvm);
 
@@ -1705,20 +1822,6 @@ int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
 	return ret;
 }
 
-void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
-				 struct iwl_rx_cmd_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = rxb_addr(rxb);
-	struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
-	u32 flags = le32_to_cpu(card_state_notif->flags);
-
-	IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
-			  (flags & HW_CARD_DISABLED) ? "Kill" : "On",
-			  (flags & SW_CARD_DISABLED) ? "Kill" : "On",
-			  (flags & CT_KILL_CARD_DISABLED) ?
-			  "Reached" : "Not reached");
-}
-
 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
 			     struct iwl_rx_cmd_buffer *rxb)
 {