mirror of
https://github.com/outbackdingo/mt76.git
synced 2026-10-24 13:26:48 +00:00
JB TsaiandFelix Fietkau
fc890d5b36
Move regd logic to regd.c and regd.h files Co-developed-by: Sean Wang <[email protected]> Signed-off-by: Sean Wang <[email protected]> Signed-off-by: JB Tsai <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Felix Fietkau <[email protected]>
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
// SPDX-License-Identifier: BSD-3-Clause-Clear
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/* Copyright (C) 2025 MediaTek Inc. */
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#include <linux/of.h>
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#include "mt7921.h"
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#include "regd.h"
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#include "mcu.h"
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static void
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mt7921_regd_channel_update(struct wiphy *wiphy, struct mt792x_dev *dev)
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{
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#define IS_UNII_INVALID(idx, sfreq, efreq) \
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(!(dev->phy.clc_chan_conf & BIT(idx)) && (cfreq) >= (sfreq) && (cfreq) <= (efreq))
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struct ieee80211_supported_band *sband;
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struct mt76_dev *mdev = &dev->mt76;
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struct device_node *np, *band_np;
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struct ieee80211_channel *ch;
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int i, cfreq;
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np = mt76_find_power_limits_node(mdev);
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sband = wiphy->bands[NL80211_BAND_5GHZ];
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band_np = np ? of_get_child_by_name(np, "txpower-5g") : NULL;
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for (i = 0; i < sband->n_channels; i++) {
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ch = &sband->channels[i];
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cfreq = ch->center_freq;
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if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) {
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ch->flags |= IEEE80211_CHAN_DISABLED;
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continue;
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}
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/* UNII-4 */
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if (IS_UNII_INVALID(0, 5845, 5925))
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ch->flags |= IEEE80211_CHAN_DISABLED;
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}
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sband = wiphy->bands[NL80211_BAND_6GHZ];
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if (!sband)
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return;
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band_np = np ? of_get_child_by_name(np, "txpower-6g") : NULL;
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for (i = 0; i < sband->n_channels; i++) {
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ch = &sband->channels[i];
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cfreq = ch->center_freq;
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if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) {
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ch->flags |= IEEE80211_CHAN_DISABLED;
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continue;
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}
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/* UNII-5/6/7/8 */
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if (IS_UNII_INVALID(1, 5925, 6425) ||
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IS_UNII_INVALID(2, 6425, 6525) ||
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IS_UNII_INVALID(3, 6525, 6875) ||
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IS_UNII_INVALID(4, 6875, 7125))
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ch->flags |= IEEE80211_CHAN_DISABLED;
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}
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}
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void mt7921_regd_update(struct mt792x_dev *dev)
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{
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struct mt76_dev *mdev = &dev->mt76;
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struct ieee80211_hw *hw = mdev->hw;
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struct wiphy *wiphy = hw->wiphy;
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mt7921_mcu_set_clc(dev, mdev->alpha2, dev->country_ie_env);
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mt7921_regd_channel_update(wiphy, dev);
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mt76_connac_mcu_set_channel_domain(hw->priv);
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mt7921_set_tx_sar_pwr(hw, NULL);
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}
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EXPORT_SYMBOL_GPL(mt7921_regd_update);
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void mt7921_regd_notifier(struct wiphy *wiphy,
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struct regulatory_request *request)
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{
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struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
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struct mt792x_dev *dev = mt792x_hw_dev(hw);
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struct mt76_connac_pm *pm = &dev->pm;
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memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
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dev->mt76.region = request->dfs_region;
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dev->country_ie_env = request->country_ie_env;
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if (request->initiator == NL80211_REGDOM_SET_BY_USER) {
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if (dev->mt76.alpha2[0] == '0' && dev->mt76.alpha2[1] == '0')
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wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE;
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else
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wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;
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}
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if (pm->suspended)
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return;
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dev->regd_in_progress = true;
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mt792x_mutex_acquire(dev);
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mt7921_regd_update(dev);
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mt792x_mutex_release(dev);
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dev->regd_in_progress = false;
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wake_up(&dev->wait);
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}
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