mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
17f1de56df
This will be used by drivers for MT76x2e, MT7603e and MT7628 Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
|
|
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include "mt76.h"
|
|
|
|
bool __mt76_poll(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
|
|
int timeout)
|
|
{
|
|
u32 cur;
|
|
|
|
timeout /= 10;
|
|
do {
|
|
cur = dev->bus->rr(dev, offset) & mask;
|
|
if (cur == val)
|
|
return true;
|
|
|
|
udelay(10);
|
|
} while (timeout-- > 0);
|
|
|
|
return false;
|
|
}
|
|
EXPORT_SYMBOL_GPL(__mt76_poll);
|
|
|
|
bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
|
|
int timeout)
|
|
{
|
|
u32 cur;
|
|
|
|
timeout /= 10;
|
|
do {
|
|
cur = dev->bus->rr(dev, offset) & mask;
|
|
if (cur == val)
|
|
return true;
|
|
|
|
usleep_range(10000, 20000);
|
|
} while (timeout-- > 0);
|
|
|
|
return false;
|
|
}
|
|
EXPORT_SYMBOL_GPL(__mt76_poll_msec);
|
|
|
|
int mt76_wcid_alloc(unsigned long *mask, int size)
|
|
{
|
|
int i, idx = 0, cur;
|
|
|
|
for (i = 0; i < size / BITS_PER_LONG; i++) {
|
|
idx = ffs(~mask[i]);
|
|
if (!idx)
|
|
continue;
|
|
|
|
idx--;
|
|
cur = i * BITS_PER_LONG + idx;
|
|
if (cur >= size)
|
|
break;
|
|
|
|
mask[i] |= BIT(idx);
|
|
return cur;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt76_wcid_alloc);
|
|
|
|
MODULE_LICENSE("Dual BSD/GPL");
|