1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2019-2020  Realtek Corporation
64 	COUNTRY_REGD("SI", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI),
215 	COUNTRY_REGD("NC", RTW89_ETSI, RTW89_ETSI, RTW89_NA),
289 	"SI",
322 	return regd - rtw89_regd_map;  in rtw89_regd_get_index()
338 		    ##_argv, __r->alpha2[0], __r->alpha2[1], \
339 		    __r->txpwr_regd[RTW89_BAND_2G], \
340 		    __r->txpwr_regd[RTW89_BAND_5G], \
341 		    __r->txpwr_regd[RTW89_BAND_6G]); \
347 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_setup_unii4()
348 	const struct rtw89_chip_info *chip = rtwdev->chip;  in rtw89_regd_setup_unii4()
357 	sband = wiphy->bands[NL80211_BAND_5GHZ];  in rtw89_regd_setup_unii4()
361 	if (!chip->support_unii4) {  in rtw89_regd_setup_unii4()
362 		sband->n_channels -= RTW89_5GHZ_UNII4_CHANNEL_NUM;  in rtw89_regd_setup_unii4()
366 	bitmap_fill(regulatory->block_unii4, RTW89_REGD_MAX_COUNTRY_NUM);  in rtw89_regd_setup_unii4()
382 		    "acpi: eval if allow unii-4: 0x%x\n", val);  in rtw89_regd_setup_unii4()
388 		switch (regd->txpwr_regd[RTW89_BAND_5G]) {  in rtw89_regd_setup_unii4()
391 				clear_bit(i, regulatory->block_unii4);  in rtw89_regd_setup_unii4()
395 				clear_bit(i, regulatory->block_unii4);  in rtw89_regd_setup_unii4()
406 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in __rtw89_regd_setup_policy_6ghz()
417 		set_bit(index, regulatory->block_6ghz);  in __rtw89_regd_setup_policy_6ghz()
419 		clear_bit(index, regulatory->block_6ghz);  in __rtw89_regd_setup_policy_6ghz()
424 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_setup_policy_6ghz()
441 	switch (ptr->policy_mode) {  in rtw89_regd_setup_policy_6ghz()
448 		bitmap_fill(regulatory->block_6ghz, RTW89_REGD_MAX_COUNTRY_NUM);  in rtw89_regd_setup_policy_6ghz()
453 			    ptr->policy_mode);  in rtw89_regd_setup_policy_6ghz()
457 	for (i = 0; i < ptr->country_count; i++) {  in rtw89_regd_setup_policy_6ghz()
458 		country = &ptr->country_list[i];  in rtw89_regd_setup_policy_6ghz()
459 		if (memcmp("EU", country->alpha2, 2) != 0) {  in rtw89_regd_setup_policy_6ghz()
461 						       country->alpha2);  in rtw89_regd_setup_policy_6ghz()
476 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_setup_policy_6ghz_sp()
486 			    "acpi: cannot eval policy 6ghz-sp: %d\n", ret);  in rtw89_regd_setup_policy_6ghz_sp()
492 	switch (ptr->override) {  in rtw89_regd_setup_policy_6ghz_sp()
496 			    ptr->override);  in rtw89_regd_setup_policy_6ghz_sp()
504 	bitmap_fill(regulatory->block_6ghz_sp, RTW89_REGD_MAX_COUNTRY_NUM);  in rtw89_regd_setup_policy_6ghz_sp()
506 	enable_by_us = u8_get_bits(ptr->conf, RTW89_ACPI_CONF_6GHZ_SP_US);  in rtw89_regd_setup_policy_6ghz_sp()
511 		if (enable_by_us && memcmp(tmp->alpha2, "US", 2) == 0)  in rtw89_regd_setup_policy_6ghz_sp()
512 			clear_bit(i, regulatory->block_6ghz_sp);  in rtw89_regd_setup_policy_6ghz_sp()
521 	const struct rtw89_chip_info *chip = rtwdev->chip;  in rtw89_regd_setup_6ghz()
522 	bool chip_support_6ghz = chip->support_bands & BIT(NL80211_BAND_6GHZ);  in rtw89_regd_setup_6ghz()
565 	sband = wiphy->bands[NL80211_BAND_6GHZ];  in rtw89_regd_setup_6ghz()
569 	wiphy->bands[NL80211_BAND_6GHZ] = NULL;  in rtw89_regd_setup_6ghz()
570 	kfree((__force void *)sband->iftype_data);  in rtw89_regd_setup_6ghz()
576 	struct wiphy *wiphy = rtwdev->hw->wiphy;  in rtw89_regd_setup()
579 		return -EINVAL;  in rtw89_regd_setup()
584 	wiphy->reg_notifier = rtw89_regd_notifier;  in rtw89_regd_setup()
592 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_init()
594 	struct wiphy *wiphy = rtwdev->hw->wiphy;  in rtw89_regd_init()
597 	regulatory->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT;  in rtw89_regd_init()
600 		return -EINVAL;  in rtw89_regd_init()
602 	chip_regd = rtw89_regd_find_reg_by_name(rtwdev->efuse.country_code);  in rtw89_regd_init()
604 		rtwdev->regulatory.regd = chip_regd;  in rtw89_regd_init()
606 		wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;  in rtw89_regd_init()
607 		wiphy->regulatory_flags |= REGULATORY_STRICT_REG;  in rtw89_regd_init()
609 		ret = regulatory_hint(rtwdev->hw->wiphy,  in rtw89_regd_init()
610 				      rtwdev->regulatory.regd->alpha2);  in rtw89_regd_init()
618 	rtw89_debug_regd(rtwdev, rtwdev->regulatory.regd,  in rtw89_regd_init()
626 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in rtw89_regd_apply_policy_unii4()
627 	const struct rtw89_chip_info *chip = rtwdev->chip;  in rtw89_regd_apply_policy_unii4()
628 	const struct rtw89_regd *regd = regulatory->regd;  in rtw89_regd_apply_policy_unii4()
633 	sband = wiphy->bands[NL80211_BAND_5GHZ];  in rtw89_regd_apply_policy_unii4()
637 	if (!chip->support_unii4)  in rtw89_regd_apply_policy_unii4()
642 	    !test_bit(index, regulatory->block_unii4))  in rtw89_regd_apply_policy_unii4()
645 	rtw89_debug(rtwdev, RTW89_DBG_REGD, "%c%c unii-4 is blocked by policy\n",  in rtw89_regd_apply_policy_unii4()
646 		    regd->alpha2[0], regd->alpha2[1]);  in rtw89_regd_apply_policy_unii4()
648 	for (i = RTW89_5GHZ_UNII4_START_INDEX; i < sband->n_channels; i++)  in rtw89_regd_apply_policy_unii4()
649 		sband->channels[i].flags |= IEEE80211_CHAN_DISABLED;  in rtw89_regd_apply_policy_unii4()
654 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in regd_is_6ghz_blocked()
655 	const struct rtw89_regd *regd = regulatory->regd;  in regd_is_6ghz_blocked()
660 	    !test_bit(index, regulatory->block_6ghz))  in regd_is_6ghz_blocked()
664 		    regd->alpha2[0], regd->alpha2[1]);  in regd_is_6ghz_blocked()
670 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in regd_is_6ghz_not_applicable()
671 	const struct rtw89_regd *regd = regulatory->regd;  in regd_is_6ghz_not_applicable()
673 	if (regd->txpwr_regd[RTW89_BAND_6G] != RTW89_NA)  in regd_is_6ghz_not_applicable()
677 		    regd->alpha2[0], regd->alpha2[1]);  in regd_is_6ghz_not_applicable()
691 	sband = wiphy->bands[NL80211_BAND_6GHZ];  in rtw89_regd_apply_policy_6ghz()
695 	for (i = 0; i < sband->n_channels; i++)  in rtw89_regd_apply_policy_6ghz()
696 		sband->channels[i].flags |= IEEE80211_CHAN_DISABLED;  in rtw89_regd_apply_policy_6ghz()
703 	rtwdev->regulatory.regd = rtw89_regd_find_reg_by_name(request->alpha2);  in rtw89_regd_notifier_apply()
708 	if (request->initiator == NL80211_REGDOM_SET_BY_USER &&  in rtw89_regd_notifier_apply()
709 	    !rtw89_regd_is_ww(rtwdev->regulatory.regd))  in rtw89_regd_notifier_apply()
710 		wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;  in rtw89_regd_notifier_apply()
712 		wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE;  in rtw89_regd_notifier_apply()
721 	struct rtw89_dev *rtwdev = hw->priv;  in rtw89_regd_notifier()
723 	mutex_lock(&rtwdev->mutex);  in rtw89_regd_notifier()
726 	if (wiphy->regd) {  in rtw89_regd_notifier()
732 	rtw89_debug_regd(rtwdev, rtwdev->regulatory.regd,  in rtw89_regd_notifier()
734 			 request->initiator);  in rtw89_regd_notifier()
739 	mutex_unlock(&rtwdev->mutex);  in rtw89_regd_notifier()
743  * Both units are 0.5 dB-based. Return a constraint in dB.
752 	return (raw - offset) / 2;  in tpe_get_constraint()
757 	if (tpe->valid) {  in tpe_intersect_constraint()
758 		tpe->constraint = min(tpe->constraint, cstr);  in tpe_intersect_constraint()
762 	tpe->constraint = cstr;  in tpe_intersect_constraint()
763 	tpe->valid = true;  in tpe_intersect_constraint()
772 	if (!eirp->valid)  in tpe_deal_with_eirp()
775 	for (i = 0; i < eirp->count; i++) {  in tpe_deal_with_eirp()
776 		cstr = tpe_get_constraint(eirp->power[i]);  in tpe_deal_with_eirp()
795 	if (!psd->valid)  in tpe_deal_with_psd()
798 	for (i = 0; i < psd->count; i++) {  in tpe_deal_with_psd()
799 		cstr_psd = tpe_get_constraint(psd->power[i]);  in tpe_deal_with_psd()
811 	tpe_deal_with_eirp(result_tpe, &parsed_tpe->max_local[category]);  in rtw89_calculate_tpe()
812 	tpe_deal_with_eirp(result_tpe, &parsed_tpe->max_reg_client[category]);  in rtw89_calculate_tpe()
813 	tpe_deal_with_psd(result_tpe, &parsed_tpe->psd_local[category]);  in rtw89_calculate_tpe()
814 	tpe_deal_with_psd(result_tpe, &parsed_tpe->psd_reg_client[category]);  in rtw89_calculate_tpe()
819 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in __rtw89_reg_6ghz_tpe_recalc()
831 			chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx);  in __rtw89_reg_6ghz_tpe_recalc()
832 			if (chan->band_type != RTW89_BAND_6G)  in __rtw89_reg_6ghz_tpe_recalc()
835 			tmp = &rtwvif_link->reg_6ghz_tpe;  in __rtw89_reg_6ghz_tpe_recalc()
836 			if (!tmp->valid)  in __rtw89_reg_6ghz_tpe_recalc()
839 			tpe_intersect_constraint(&new, tmp->constraint);  in __rtw89_reg_6ghz_tpe_recalc()
843 	if (memcmp(&regulatory->reg_6ghz_tpe, &new,  in __rtw89_reg_6ghz_tpe_recalc()
844 		   sizeof(regulatory->reg_6ghz_tpe)) != 0)  in __rtw89_reg_6ghz_tpe_recalc()
856 		regulatory->reg_6ghz_tpe = new;  in __rtw89_reg_6ghz_tpe_recalc()
866 	struct rtw89_reg_6ghz_tpe *tpe = &rtwvif_link->reg_6ghz_tpe;  in rtw89_reg_6ghz_tpe_recalc()
871 	if (!active || rtwvif_link->reg_6ghz_power != RTW89_REG_6GHZ_POWER_STD)  in rtw89_reg_6ghz_tpe_recalc()
877 	rtw89_calculate_tpe(rtwdev, tpe, &bss_conf->tpe);  in rtw89_reg_6ghz_tpe_recalc()
881 	if (!tpe->valid)  in rtw89_reg_6ghz_tpe_recalc()
884 	if (tpe->constraint < RTW89_MIN_VALID_POWER_CONSTRAINT) {  in rtw89_reg_6ghz_tpe_recalc()
887 			  __func__, tpe->constraint);  in rtw89_reg_6ghz_tpe_recalc()
889 		tpe->valid = false;  in rtw89_reg_6ghz_tpe_recalc()
890 		return -EINVAL;  in rtw89_reg_6ghz_tpe_recalc()
900 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;  in __rtw89_reg_6ghz_power_recalc()
901 	const struct rtw89_regd *regd = regulatory->regd;  in __rtw89_reg_6ghz_power_recalc()
912 			chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx);  in __rtw89_reg_6ghz_power_recalc()
913 			if (chan->band_type != RTW89_BAND_6G)  in __rtw89_reg_6ghz_power_recalc()
916 			if (count != 0 && rtwvif_link->reg_6ghz_power == sel)  in __rtw89_reg_6ghz_power_recalc()
919 			sel = rtwvif_link->reg_6ghz_power;  in __rtw89_reg_6ghz_power_recalc()
930 		    test_bit(index, regulatory->block_6ghz_sp)) {  in __rtw89_reg_6ghz_power_recalc()
933 				    regd->alpha2[0], regd->alpha2[1]);  in __rtw89_reg_6ghz_power_recalc()
938 	if (regulatory->reg_6ghz_power == sel)  in __rtw89_reg_6ghz_power_recalc()
944 	regulatory->reg_6ghz_power = sel;  in __rtw89_reg_6ghz_power_recalc()
959 		switch (bss_conf->power_type) {  in rtw89_reg_6ghz_power_recalc()
961 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_VLP;  in rtw89_reg_6ghz_power_recalc()
964 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_LPI;  in rtw89_reg_6ghz_power_recalc()
967 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_STD;  in rtw89_reg_6ghz_power_recalc()
970 			rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT;  in rtw89_reg_6ghz_power_recalc()
974 		rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT;  in rtw89_reg_6ghz_power_recalc()
989 	lockdep_assert_held(&rtwdev->mutex);  in rtw89_reg_6ghz_recalc()