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https://github.com/outbackdingo/mt76.git
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Lorenzo BianconiandFelix Fietkau
9c874cd3b5
Rename mt76x02_util.h header file in mt76x02.h since now contains all mt76x02 related definitions and not just utility routines declarations Signed-off-by: Lorenzo Bianconi <[email protected]> Signed-off-by: Felix Fietkau <[email protected]>
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* Copyright (C) 2016 Felix Fietkau <[email protected]>
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* Copyright (C) 2018 Lorenzo Bianconi <[email protected]>
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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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#include "mt76x2.h"
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void mt76x2_mac_stop(struct mt76x02_dev *dev, bool force)
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{
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bool stopped = false;
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u32 rts_cfg;
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int i;
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mt76_wr(dev, MT_MAC_SYS_CTRL, 0);
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rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG);
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mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT);
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/* Wait for MAC to become idle */
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for (i = 0; i < 300; i++) {
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if ((mt76_rr(dev, MT_MAC_STATUS) &
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(MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) ||
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mt76_rr(dev, MT_BBP(IBI, 12))) {
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udelay(1);
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continue;
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}
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stopped = true;
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break;
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}
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if (force && !stopped) {
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mt76_set(dev, MT_BBP(CORE, 4), BIT(1));
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mt76_clear(dev, MT_BBP(CORE, 4), BIT(1));
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mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
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mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));
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}
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mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg);
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}
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EXPORT_SYMBOL_GPL(mt76x2_mac_stop);
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