79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
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/*
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* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
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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 <linux/module.h>
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#include "mt76.h"
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bool __mt76_poll(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
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int timeout)
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{
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u32 cur;
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timeout /= 10;
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do {
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cur = dev->bus->rr(dev, offset) & mask;
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if (cur == val)
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return true;
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udelay(10);
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} while (timeout-- > 0);
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return false;
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}
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EXPORT_SYMBOL_GPL(__mt76_poll);
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bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
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int timeout)
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{
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u32 cur;
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timeout /= 10;
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do {
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cur = dev->bus->rr(dev, offset) & mask;
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if (cur == val)
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return true;
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usleep_range(10000, 20000);
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} while (timeout-- > 0);
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return false;
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}
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EXPORT_SYMBOL_GPL(__mt76_poll_msec);
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int mt76_wcid_alloc(unsigned long *mask, int size)
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{
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int i, idx = 0, cur;
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for (i = 0; i < size / BITS_PER_LONG; i++) {
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idx = ffs(~mask[i]);
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if (!idx)
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continue;
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idx--;
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cur = i * BITS_PER_LONG + idx;
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if (cur >= size)
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break;
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mask[i] |= BIT(idx);
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return cur;
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}
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return -1;
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}
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EXPORT_SYMBOL_GPL(mt76_wcid_alloc);
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MODULE_LICENSE("Dual BSD/GPL");
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