1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2019-2020  Realtek Corporation
310 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_find_reg_by_name()
311 	const struct rtw89_regd_ctrl *regd_ctrl = &regulatory->ctrl;  in rtw89_regd_find_reg_by_name()
314 	for (i = 0; i < regd_ctrl->nr; i++) {  in rtw89_regd_find_reg_by_name()
315 		if (!memcmp(regd_ctrl->map[i].alpha2, alpha2, 2))  in rtw89_regd_find_reg_by_name()
316 			return &regd_ctrl->map[i];  in rtw89_regd_find_reg_by_name()
329 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_get_index()
330 	const struct rtw89_regd_ctrl *regd_ctrl = &regulatory->ctrl;  in rtw89_regd_get_index()
337 	return regd - regd_ctrl->map;  in rtw89_regd_get_index()
353 		    ##_argv, __r->alpha2[0], __r->alpha2[1], \
354 		    __r->txpwr_regd[RTW89_BAND_2G], \
355 		    __r->txpwr_regd[RTW89_BAND_5G], \
356 		    __r->txpwr_regd[RTW89_BAND_6G]); \
362 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_setup_unii4()
363 	const struct rtw89_regd_ctrl *regd_ctrl = &regulatory->ctrl;  in rtw89_regd_setup_unii4()
364 	const struct rtw89_chip_info *chip = rtwdev->chip;  in rtw89_regd_setup_unii4()
373 	sband = wiphy->bands[NL80211_BAND_5GHZ];  in rtw89_regd_setup_unii4()
377 	if (!chip->support_unii4) {  in rtw89_regd_setup_unii4()
378 		sband->n_channels -= RTW89_5GHZ_UNII4_CHANNEL_NUM;  in rtw89_regd_setup_unii4()
382 	bitmap_fill(regulatory->block_unii4, RTW89_REGD_MAX_COUNTRY_NUM);  in rtw89_regd_setup_unii4()
398 		    "acpi: eval if allow unii-4: 0x%x\n", val);  in rtw89_regd_setup_unii4()
401 	for (i = 0; i < regd_ctrl->nr; i++) {  in rtw89_regd_setup_unii4()
402 		const struct rtw89_regd *regd = &regd_ctrl->map[i];  in rtw89_regd_setup_unii4()
404 		switch (regd->txpwr_regd[RTW89_BAND_5G]) {  in rtw89_regd_setup_unii4()
407 				clear_bit(i, regulatory->block_unii4);  in rtw89_regd_setup_unii4()
411 				clear_bit(i, regulatory->block_unii4);  in rtw89_regd_setup_unii4()
422 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in __rtw89_regd_setup_policy_6ghz()
433 		set_bit(index, regulatory->block_6ghz);  in __rtw89_regd_setup_policy_6ghz()
435 		clear_bit(index, regulatory->block_6ghz);  in __rtw89_regd_setup_policy_6ghz()
440 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_setup_policy_6ghz()
457 	switch (ptr->policy_mode) {  in rtw89_regd_setup_policy_6ghz()
464 		bitmap_fill(regulatory->block_6ghz, RTW89_REGD_MAX_COUNTRY_NUM);  in rtw89_regd_setup_policy_6ghz()
469 			    ptr->policy_mode);  in rtw89_regd_setup_policy_6ghz()
473 	for (i = 0; i < ptr->country_count; i++) {  in rtw89_regd_setup_policy_6ghz()
474 		country = &ptr->country_list[i];  in rtw89_regd_setup_policy_6ghz()
475 		if (memcmp("EU", country->alpha2, 2) != 0) {  in rtw89_regd_setup_policy_6ghz()
477 						       country->alpha2);  in rtw89_regd_setup_policy_6ghz()
492 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_setup_policy_6ghz_sp()
493 	const struct rtw89_regd_ctrl *regd_ctrl = &regulatory->ctrl;  in rtw89_regd_setup_policy_6ghz_sp()
503 			    "acpi: cannot eval policy 6ghz-sp: %d\n", ret);  in rtw89_regd_setup_policy_6ghz_sp()
509 	switch (ptr->override) {  in rtw89_regd_setup_policy_6ghz_sp()
513 			    ptr->override);  in rtw89_regd_setup_policy_6ghz_sp()
521 	bitmap_fill(regulatory->block_6ghz_sp, RTW89_REGD_MAX_COUNTRY_NUM);  in rtw89_regd_setup_policy_6ghz_sp()
523 	enable_by_us = u8_get_bits(ptr->conf, RTW89_ACPI_CONF_6GHZ_SP_US);  in rtw89_regd_setup_policy_6ghz_sp()
525 	for (i = 0; i < regd_ctrl->nr; i++) {  in rtw89_regd_setup_policy_6ghz_sp()
526 		const struct rtw89_regd *tmp = &regd_ctrl->map[i];  in rtw89_regd_setup_policy_6ghz_sp()
528 		if (enable_by_us && memcmp(tmp->alpha2, "US", 2) == 0)  in rtw89_regd_setup_policy_6ghz_sp()
529 			clear_bit(i, regulatory->block_6ghz_sp);  in rtw89_regd_setup_policy_6ghz_sp()
538 	const struct rtw89_chip_info *chip = rtwdev->chip;  in rtw89_regd_setup_6ghz()
539 	bool chip_support_6ghz = chip->support_bands & BIT(NL80211_BAND_6GHZ);  in rtw89_regd_setup_6ghz()
582 	sband = wiphy->bands[NL80211_BAND_6GHZ];  in rtw89_regd_setup_6ghz()
586 	wiphy->bands[NL80211_BAND_6GHZ] = NULL;  in rtw89_regd_setup_6ghz()
587 	kfree((__force void *)sband->iftype_data);  in rtw89_regd_setup_6ghz()
593 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_setup()
594 	struct rtw89_fw_elm_info *elm_info = &rtwdev->fw.elm_info;  in rtw89_regd_setup()
595 	const struct rtw89_regd_data *regd_data = elm_info->regd;  in rtw89_regd_setup()
596 	struct wiphy *wiphy = rtwdev->hw->wiphy;  in rtw89_regd_setup()
599 		regulatory->ctrl.nr = regd_data->nr;  in rtw89_regd_setup()
600 		regulatory->ctrl.map = regd_data->map;  in rtw89_regd_setup()
602 		regulatory->ctrl.nr = ARRAY_SIZE(rtw89_regd_map);  in rtw89_regd_setup()
603 		regulatory->ctrl.map = rtw89_regd_map;  in rtw89_regd_setup()
606 	regulatory->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT;  in rtw89_regd_setup()
609 		return -EINVAL;  in rtw89_regd_setup()
614 	wiphy->reg_notifier = rtw89_regd_notifier;  in rtw89_regd_setup()
621 	struct wiphy *wiphy = rtwdev->hw->wiphy;  in rtw89_regd_init_hint()
625 		return -EINVAL;  in rtw89_regd_init_hint()
627 	chip_regd = rtw89_regd_find_reg_by_name(rtwdev, rtwdev->efuse.country_code);  in rtw89_regd_init_hint()
629 		rtwdev->regulatory.regd = chip_regd;  in rtw89_regd_init_hint()
630 		/* Ignore country ie if there is a country domain programmed in chip */  in rtw89_regd_init_hint()
631 		wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;  in rtw89_regd_init_hint()
632 		wiphy->regulatory_flags |= REGULATORY_STRICT_REG;  in rtw89_regd_init_hint()
634 		ret = regulatory_hint(rtwdev->hw->wiphy,  in rtw89_regd_init_hint()
635 				      rtwdev->regulatory.regd->alpha2);  in rtw89_regd_init_hint()
643 	rtw89_debug_regd(rtwdev, rtwdev->regulatory.regd,  in rtw89_regd_init_hint()
651 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_apply_policy_unii4()
652 	const struct rtw89_chip_info *chip = rtwdev->chip;  in rtw89_regd_apply_policy_unii4()
653 	const struct rtw89_regd *regd = regulatory->regd;  in rtw89_regd_apply_policy_unii4()
658 	sband = wiphy->bands[NL80211_BAND_5GHZ];  in rtw89_regd_apply_policy_unii4()
662 	if (!chip->support_unii4)  in rtw89_regd_apply_policy_unii4()
667 	    !test_bit(index, regulatory->block_unii4))  in rtw89_regd_apply_policy_unii4()
670 	rtw89_debug(rtwdev, RTW89_DBG_REGD, "%c%c unii-4 is blocked by policy\n",  in rtw89_regd_apply_policy_unii4()
671 		    regd->alpha2[0], regd->alpha2[1]);  in rtw89_regd_apply_policy_unii4()
673 	for (i = RTW89_5GHZ_UNII4_START_INDEX; i < sband->n_channels; i++)  in rtw89_regd_apply_policy_unii4()
674 		sband->channels[i].flags |= IEEE80211_CHAN_DISABLED;  in rtw89_regd_apply_policy_unii4()
679 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in regd_is_6ghz_blocked()
680 	const struct rtw89_regd *regd = regulatory->regd;  in regd_is_6ghz_blocked()
685 	    !test_bit(index, regulatory->block_6ghz))  in regd_is_6ghz_blocked()
689 		    regd->alpha2[0], regd->alpha2[1]);  in regd_is_6ghz_blocked()
695 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in regd_is_6ghz_not_applicable()
696 	const struct rtw89_regd *regd = regulatory->regd;  in regd_is_6ghz_not_applicable()
698 	if (regd->txpwr_regd[RTW89_BAND_6G] != RTW89_NA)  in regd_is_6ghz_not_applicable()
702 		    regd->alpha2[0], regd->alpha2[1]);  in regd_is_6ghz_not_applicable()
716 	sband = wiphy->bands[NL80211_BAND_6GHZ];  in rtw89_regd_apply_policy_6ghz()
720 	for (i = 0; i < sband->n_channels; i++)  in rtw89_regd_apply_policy_6ghz()
721 		sband->channels[i].flags |= IEEE80211_CHAN_DISABLED;  in rtw89_regd_apply_policy_6ghz()
726 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_apply_policy_tas()
727 	const struct rtw89_regd *regd = regulatory->regd;  in rtw89_regd_apply_policy_tas()
728 	struct rtw89_tas_info *tas = &rtwdev->tas;  in rtw89_regd_apply_policy_tas()
730 	if (!tas->enable)  in rtw89_regd_apply_policy_tas()
733 	tas->block_regd = !test_bit(RTW89_REGD_FUNC_TAS, regd->func_bitmap);  in rtw89_regd_apply_policy_tas()
738 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_apply_policy_ant_gain()
739 	struct rtw89_ant_gain_info *ant_gain = &rtwdev->ant_gain;  in rtw89_regd_apply_policy_ant_gain()
740 	const struct rtw89_chip_info *chip = rtwdev->chip;  in rtw89_regd_apply_policy_ant_gain()
741 	const struct rtw89_regd *regd = regulatory->regd;  in rtw89_regd_apply_policy_ant_gain()
743 	if (!chip->support_ant_gain)  in rtw89_regd_apply_policy_ant_gain()
746 	ant_gain->block_country = !test_bit(RTW89_REGD_FUNC_DAG, regd->func_bitmap);  in rtw89_regd_apply_policy_ant_gain()
753 	rtwdev->regulatory.regd = rtw89_regd_find_reg_by_name(rtwdev, request->alpha2);  in rtw89_regd_notifier_apply()
758 	if (request->initiator == NL80211_REGDOM_SET_BY_USER &&  in rtw89_regd_notifier_apply()
759 	    !rtw89_regd_is_ww(rtwdev->regulatory.regd))  in rtw89_regd_notifier_apply()
760 		wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;  in rtw89_regd_notifier_apply()
762 		wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE;  in rtw89_regd_notifier_apply()
774 	struct rtw89_dev *rtwdev = hw->priv;  in rtw89_regd_notifier()
779 	if (wiphy->regd) {  in rtw89_regd_notifier()
781 			    "There is a country domain programmed in chip, ignore notifications\n");  in rtw89_regd_notifier()
785 	rtw89_debug_regd(rtwdev, rtwdev->regulatory.regd,  in rtw89_regd_notifier()
787 			 request->initiator);  in rtw89_regd_notifier()
795 /* Maximum Transmit Power field (@raw) can be EIRP or PSD.
796  * Both units are 0.5 dB-based. Return a constraint in dB.
805 	return (raw - offset) / 2;  in tpe_get_constraint()
810 	if (tpe->valid) {  in tpe_intersect_constraint()
811 		tpe->constraint = min(tpe->constraint, cstr);  in tpe_intersect_constraint()
815 	tpe->constraint = cstr;  in tpe_intersect_constraint()
816 	tpe->valid = true;  in tpe_intersect_constraint()
825 	if (!eirp->valid)  in tpe_deal_with_eirp()
828 	for (i = 0; i < eirp->count; i++) {  in tpe_deal_with_eirp()
829 		cstr = tpe_get_constraint(eirp->power[i]);  in tpe_deal_with_eirp()
848 	if (!psd->valid)  in tpe_deal_with_psd()
851 	for (i = 0; i < psd->count; i++) {  in tpe_deal_with_psd()
852 		cstr_psd = tpe_get_constraint(psd->power[i]);  in tpe_deal_with_psd()
864 	tpe_deal_with_eirp(result_tpe, &parsed_tpe->max_local[category]);  in rtw89_calculate_tpe()
865 	tpe_deal_with_eirp(result_tpe, &parsed_tpe->max_reg_client[category]);  in rtw89_calculate_tpe()
866 	tpe_deal_with_psd(result_tpe, &parsed_tpe->psd_local[category]);  in rtw89_calculate_tpe()
867 	tpe_deal_with_psd(result_tpe, &parsed_tpe->psd_reg_client[category]);  in rtw89_calculate_tpe()
872 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in __rtw89_reg_6ghz_tpe_recalc()
884 			chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx);  in __rtw89_reg_6ghz_tpe_recalc()
885 			if (chan->band_type != RTW89_BAND_6G)  in __rtw89_reg_6ghz_tpe_recalc()
888 			tmp = &rtwvif_link->reg_6ghz_tpe;  in __rtw89_reg_6ghz_tpe_recalc()
889 			if (!tmp->valid)  in __rtw89_reg_6ghz_tpe_recalc()
892 			tpe_intersect_constraint(&new, tmp->constraint);  in __rtw89_reg_6ghz_tpe_recalc()
896 	if (memcmp(&regulatory->reg_6ghz_tpe, &new,  in __rtw89_reg_6ghz_tpe_recalc()
897 		   sizeof(regulatory->reg_6ghz_tpe)) != 0)  in __rtw89_reg_6ghz_tpe_recalc()
909 		regulatory->reg_6ghz_tpe = new;  in __rtw89_reg_6ghz_tpe_recalc()
919 	struct rtw89_reg_6ghz_tpe *tpe = &rtwvif_link->reg_6ghz_tpe;  in rtw89_reg_6ghz_tpe_recalc()
924 	if (!active || rtwvif_link->reg_6ghz_power != RTW89_REG_6GHZ_POWER_STD)  in rtw89_reg_6ghz_tpe_recalc()
930 	rtw89_calculate_tpe(rtwdev, tpe, &bss_conf->tpe);  in rtw89_reg_6ghz_tpe_recalc()
934 	if (!tpe->valid)  in rtw89_reg_6ghz_tpe_recalc()
937 	if (tpe->constraint < RTW89_MIN_VALID_POWER_CONSTRAINT) {  in rtw89_reg_6ghz_tpe_recalc()
940 			  __func__, tpe->constraint);  in rtw89_reg_6ghz_tpe_recalc()
942 		tpe->valid = false;  in rtw89_reg_6ghz_tpe_recalc()
943 		return -EINVAL;  in rtw89_reg_6ghz_tpe_recalc()
953 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in __rtw89_reg_6ghz_power_recalc()
954 	const struct rtw89_regd *regd = regulatory->regd;  in __rtw89_reg_6ghz_power_recalc()
955 	enum rtw89_reg_6ghz_power sel;  in __rtw89_reg_6ghz_power_recalc()  local
965 			chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx);  in __rtw89_reg_6ghz_power_recalc()
966 			if (chan->band_type != RTW89_BAND_6G)  in __rtw89_reg_6ghz_power_recalc()
969 			if (count != 0 && rtwvif_link->reg_6ghz_power == sel)  in __rtw89_reg_6ghz_power_recalc()
972 			sel = rtwvif_link->reg_6ghz_power;  in __rtw89_reg_6ghz_power_recalc()
978 		sel = RTW89_REG_6GHZ_POWER_DFLT;  in __rtw89_reg_6ghz_power_recalc()
980 	if (sel == RTW89_REG_6GHZ_POWER_STD) {  in __rtw89_reg_6ghz_power_recalc()
983 		    test_bit(index, regulatory->block_6ghz_sp)) {  in __rtw89_reg_6ghz_power_recalc()
986 				    regd->alpha2[0], regd->alpha2[1]);  in __rtw89_reg_6ghz_power_recalc()
987 			sel = RTW89_REG_6GHZ_POWER_DFLT;  in __rtw89_reg_6ghz_power_recalc()
991 	if (regulatory->reg_6ghz_power == sel)  in __rtw89_reg_6ghz_power_recalc()
995 		    "recalc 6 GHz reg power type to %d\n", sel);  in __rtw89_reg_6ghz_power_recalc()
997 	regulatory->reg_6ghz_power = sel;  in __rtw89_reg_6ghz_power_recalc()
1012 		switch (bss_conf->power_type) {  in rtw89_reg_6ghz_power_recalc()
1014 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_VLP;  in rtw89_reg_6ghz_power_recalc()
1017 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_LPI;  in rtw89_reg_6ghz_power_recalc()
1020 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_STD;  in rtw89_reg_6ghz_power_recalc()
1023 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT;  in rtw89_reg_6ghz_power_recalc()
1027 		rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT;  in rtw89_reg_6ghz_power_recalc()
1042 	lockdep_assert_wiphy(rtwdev->hw->wiphy);  in rtw89_reg_6ghz_recalc()
1044 	/* The result of reg_6ghz_tpe may depend on reg_6ghz_power type,  in rtw89_reg_6ghz_recalc()