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mt76: add common code shared between multiple chipsets

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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>
This commit is contained in:
Felix Fietkau
2017-11-21 10:50:52 +01:00
committed by Kalle Valo
parent 9402f8eb9b
commit 17f1de56df
12 changed files with 2219 additions and 0 deletions
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61
drivers/net/wireless/mediatek/mt76/mmio.c Normal file
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/*
* 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 "mt76.h"
#include "trace.h"
static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
{
u32 val;
val = ioread32(dev->regs + offset);
trace_reg_rr(dev, offset, val);
return val;
}
static void mt76_mmio_wr(struct mt76_dev *dev, u32 offset, u32 val)
{
trace_reg_wr(dev, offset, val);
iowrite32(val, dev->regs + offset);
}
static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val)
{
val |= mt76_mmio_rr(dev, offset) & ~mask;
mt76_mmio_wr(dev, offset, val);
return val;
}
static void mt76_mmio_copy(struct mt76_dev *dev, u32 offset, const void *data,
int len)
{
__iowrite32_copy(dev->regs + offset, data, len >> 2);
}
void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
{
static const struct mt76_bus_ops mt76_mmio_ops = {
.rr = mt76_mmio_rr,
.rmw = mt76_mmio_rmw,
.wr = mt76_mmio_wr,
.copy = mt76_mmio_copy,
};
dev->bus = &mt76_mmio_ops;
dev->regs = regs;
}
EXPORT_SYMBOL_GPL(mt76_mmio_init);