1 files changed, 159 insertions, 32 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 5de54d1559dd..32a5e4e5461f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -357,13 +357,14 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 			iwl_fw_dbg_error_collect(&mvm->fwrt,
 						 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
 
-		if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000)
+		if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
 			IWL_ERR(mvm,
 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 				iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
 				iwl_read_umac_prph(trans,
 						   UMAG_SB_CPU_2_STATUS));
-		else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
+		else if (trans->trans_cfg->device_family >=
+			 IWL_DEVICE_FAMILY_8000)
 			IWL_ERR(mvm,
 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 				iwl_read_prph(trans, SB_CPU_1_STATUS),
@@ -430,7 +431,7 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 				   iwl_wait_init_complete,
 				   NULL);
 
-	iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY);
+	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
 
 	/* Will also start the device */
 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
@@ -438,7 +439,8 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
 		goto error;
 	}
-	iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE);
+	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
+			       NULL);
 
 	/* Send init config command to mark that we are sending NVM access
 	 * commands
@@ -557,7 +559,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 		goto remove_notif;
 	}
 
-	if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
+	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) {
 		ret = iwl_mvm_send_bt_init_conf(mvm);
 		if (ret)
 			goto remove_notif;
@@ -887,11 +889,13 @@ static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
 	 * firmware versions.  Unfortunately, we don't have a TLV API
 	 * flag to rely on, so rely on the major version which is in
 	 * the first byte of ucode_ver.  This was implemented
-	 * initially on version 38 and then backported to 36, 29 and
-	 * 17.
+	 * initially on version 38 and then backported to29 and 17.
+	 * The intention was to have it in 36 as well, but not all
+	 * 8000 family got this feature enabled.  The 8000 family is
+	 * the only one using version 36, so skip this version
+	 * entirely.
 	 */
 	return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
-	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 ||
 	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 ||
 	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17;
 }
@@ -1002,6 +1006,113 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 	return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
 }
 
+static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
+{
+	union acpi_object *wifi_pkg, *data, *enabled;
+	int i, j, ret, tbl_rev;
+	int idx = 2;
+
+	mvm->ppag_table.enabled = cpu_to_le32(0);
+	data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
+					 ACPI_PPAG_WIFI_DATA_SIZE, &tbl_rev);
+
+	if (IS_ERR(wifi_pkg) || tbl_rev != 0) {
+		ret = PTR_ERR(wifi_pkg);
+		goto out_free;
+	}
+
+	enabled = &wifi_pkg->package.elements[1];
+	if (enabled->type != ACPI_TYPE_INTEGER ||
+	    (enabled->integer.value != 0 && enabled->integer.value != 1)) {
+		ret = -EINVAL;
+		goto out_free;
+	}
+
+	mvm->ppag_table.enabled = cpu_to_le32(enabled->integer.value);
+	if (!mvm->ppag_table.enabled) {
+		ret = 0;
+		goto out_free;
+	}
+
+	/*
+	 * read, verify gain values and save them into the PPAG table.
+	 * first sub-band (j=0) corresponds to Low-Band (2.4GHz), and the
+	 * following sub-bands to High-Band (5GHz).
+	 */
+	for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
+		for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
+			union acpi_object *ent;
+
+			ent = &wifi_pkg->package.elements[idx++];
+			if (ent->type != ACPI_TYPE_INTEGER ||
+			    (j == 0 && ent->integer.value > ACPI_PPAG_MAX_LB) ||
+			    (j == 0 && ent->integer.value < ACPI_PPAG_MIN_LB) ||
+			    (j != 0 && ent->integer.value > ACPI_PPAG_MAX_HB) ||
+			    (j != 0 && ent->integer.value < ACPI_PPAG_MIN_HB)) {
+				mvm->ppag_table.enabled = cpu_to_le32(0);
+				ret = -EINVAL;
+				goto out_free;
+			}
+			mvm->ppag_table.gain[i][j] = ent->integer.value;
+		}
+	}
+	ret = 0;
+out_free:
+	kfree(data);
+	return ret;
+}
+
+int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
+{
+	int i, j, ret;
+
+	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
+		IWL_DEBUG_RADIO(mvm,
+				"PPAG capability not supported by FW, command not sent.\n");
+		return 0;
+	}
+
+	IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
+	IWL_DEBUG_RADIO(mvm, "PPAG is %s\n",
+			mvm->ppag_table.enabled ? "enabled" : "disabled");
+
+	for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
+		for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
+			IWL_DEBUG_RADIO(mvm,
+					"PPAG table: chain[%d] band[%d]: gain = %d\n",
+					i, j, mvm->ppag_table.gain[i][j]);
+		}
+	}
+
+	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
+						PER_PLATFORM_ANT_GAIN_CMD),
+				   0, sizeof(mvm->ppag_table),
+				   &mvm->ppag_table);
+	if (ret < 0)
+		IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
+			ret);
+
+	return ret;
+}
+
+static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
+{
+	int ret;
+
+	ret = iwl_mvm_get_ppag_table(mvm);
+	if (ret < 0) {
+		IWL_DEBUG_RADIO(mvm,
+				"PPAG BIOS table invalid or unavailable. (%d)\n",
+				ret);
+		return 0;
+	}
+	return iwl_mvm_ppag_send_cmd(mvm);
+}
+
 #else /* CONFIG_ACPI */
 static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
 {
@@ -1033,6 +1144,16 @@ int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 {
 	return -ENOENT;
 }
+
+int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
+{
+	return -ENOENT;
+}
+
+static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
+{
+	return -ENOENT;
+}
 #endif /* CONFIG_ACPI */
 
 void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
@@ -1140,17 +1261,13 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
 		return ret;
 	}
 
-	/*
-	 * Stop and start the transport without entering low power
-	 * mode. This will save the state of other components on the
-	 * device that are triggered by the INIT firwmare (MFUART).
-	 */
-	_iwl_trans_stop_device(mvm->trans, false);
-	ret = _iwl_trans_start_hw(mvm->trans, false);
+	iwl_fw_dbg_stop_sync(&mvm->fwrt);
+	iwl_trans_stop_device(mvm->trans);
+	ret = iwl_trans_start_hw(mvm->trans);
 	if (ret)
 		return ret;
 
-	iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_EARLY);
+	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_EARLY, NULL);
 
 	mvm->rfkill_safe_init_done = false;
 	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
@@ -1159,7 +1276,8 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
 
 	mvm->rfkill_safe_init_done = true;
 
-	iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_AFTER_ALIVE);
+	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
+			       NULL);
 
 	return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
 }
@@ -1169,6 +1287,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 	int ret, i;
 	struct ieee80211_channel *chan;
 	struct cfg80211_chan_def chandef;
+	struct ieee80211_supported_band *sband = NULL;
 
 	lockdep_assert_held(&mvm->mutex);
 
@@ -1191,7 +1310,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 	if (ret)
 		IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
 
-	if (!mvm->trans->dbg.ini_valid) {
+	if (!iwl_trans_dbg_ini_valid(mvm->trans)) {
 		mvm->fwrt.dump.conf = FW_DBG_INVALID;
 		/* if we have a destination, assume EARLY START */
 		if (mvm->fw->dbg.dest_tlv)
@@ -1219,7 +1338,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 		goto error;
 
 	/* Init RSS configuration */
-	if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
+	if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
 		ret = iwl_configure_rxq(mvm);
 		if (ret) {
 			IWL_ERR(mvm, "Failed to configure RX queues: %d\n",
@@ -1246,9 +1365,11 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 	/* reset quota debouncing buffer - 0xff will yield invalid data */
 	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
 
-	ret = iwl_mvm_send_dqa_cmd(mvm);
-	if (ret)
-		goto error;
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DQA_SUPPORT)) {
+		ret = iwl_mvm_send_dqa_cmd(mvm);
+		if (ret)
+			goto error;
+	}
 
 	/* Add auxiliary station for scanning */
 	ret = iwl_mvm_add_aux_sta(mvm);
@@ -1256,7 +1377,15 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 		goto error;
 
 	/* Add all the PHY contexts */
-	chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
+	i = 0;
+	while (!sband && i < NUM_NL80211_BANDS)
+		sband = mvm->hw->wiphy->bands[i++];
+
+	if (WARN_ON_ONCE(!sband))
+		goto error;
+
+	chan = &sband->channels[0];
+
 	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
 	for (i = 0; i < NUM_PHY_CTX; i++) {
 		/*
@@ -1270,7 +1399,6 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 			goto error;
 	}
 
-#ifdef CONFIG_THERMAL
 	if (iwl_mvm_is_tt_in_fw(mvm)) {
 		/* in order to give the responsibility of ct-kill and
 		 * TX backoff to FW we need to send empty temperature reporting
@@ -1282,6 +1410,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 		iwl_mvm_tt_tx_backoff(mvm, 0);
 	}
 
+#ifdef CONFIG_THERMAL
 	/* TODO: read the budget from BIOS / Platform NVM */
 
 	/*
@@ -1294,12 +1423,10 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 		if (ret)
 			goto error;
 	}
-#else
-	/* Initialize tx backoffs to the minimal possible */
-	iwl_mvm_tt_tx_backoff(mvm, 0);
 #endif
 
-	WARN_ON(iwl_mvm_config_ltr(mvm));
+	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
+		WARN_ON(iwl_mvm_config_ltr(mvm));
 
 	ret = iwl_mvm_power_update_device(mvm);
 	if (ret)
@@ -1323,16 +1450,16 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 			goto error;
 	}
 
-	/* allow FW/transport low power modes if not during restart */
-	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
-		iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
-
 	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
 		iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_UPDATE_DB);
 
 	if (iwl_acpi_get_eckv(mvm->dev, &mvm->ext_clock_valid))
 		IWL_DEBUG_INFO(mvm, "ECKV table doesn't exist in BIOS\n");
 
+	ret = iwl_mvm_ppag_init(mvm);
+	if (ret)
+		goto error;
+
 	ret = iwl_mvm_sar_init(mvm);
 	if (ret == 0) {
 		ret = iwl_mvm_sar_geo_init(mvm);