mirror of
https://github.com/ipxe/ipxe
synced 2026-01-12 16:38:43 +03:00
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
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* Copyright (c) 2009-2011 Atheros Communications Inc.
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*
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* Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
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* Original from Linux kernel 3.0.1
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Module for common driver code between ath9k and ath9k_htc
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*/
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#include "common.h"
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/*
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* Update internal channel flags.
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*/
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void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
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struct net80211_channel *chan)
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{
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ichan->channel = chan->center_freq;
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ichan->chan = chan;
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if (chan->band == NET80211_BAND_2GHZ) {
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ichan->chanmode = CHANNEL_G;
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ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM;
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} else {
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ichan->chanmode = CHANNEL_A;
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ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
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}
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}
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/*
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* Get the internal channel reference.
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*/
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struct ath9k_channel *ath9k_cmn_get_curchannel(struct net80211_device *dev,
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struct ath_hw *ah)
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{
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struct net80211_channel *curchan = dev->channels + dev->channel;
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struct ath9k_channel *channel;
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u8 chan_idx;
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chan_idx = curchan->hw_value;
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channel = &ah->channels[chan_idx];
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ath9k_cmn_update_ichannel(channel, curchan);
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return channel;
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}
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void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
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u16 new_txpow, u16 *txpower)
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{
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if (cur_txpow != new_txpow) {
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ath9k_hw_set_txpowerlimit(ah, new_txpow, 0);
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/* read back in case value is clamped */
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*txpower = ath9k_hw_regulatory(ah)->power_limit;
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}
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}
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