62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
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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 "mt76.h"
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#include "trace.h"
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static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
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{
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u32 val;
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val = ioread32(dev->regs + offset);
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trace_reg_rr(dev, offset, val);
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return val;
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}
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static void mt76_mmio_wr(struct mt76_dev *dev, u32 offset, u32 val)
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{
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trace_reg_wr(dev, offset, val);
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iowrite32(val, dev->regs + offset);
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}
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static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val)
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{
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val |= mt76_mmio_rr(dev, offset) & ~mask;
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mt76_mmio_wr(dev, offset, val);
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return val;
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}
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static void mt76_mmio_copy(struct mt76_dev *dev, u32 offset, const void *data,
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int len)
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{
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__iowrite32_copy(dev->regs + offset, data, len >> 2);
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}
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void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
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{
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static const struct mt76_bus_ops mt76_mmio_ops = {
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.rr = mt76_mmio_rr,
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.rmw = mt76_mmio_rmw,
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.wr = mt76_mmio_wr,
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.copy = mt76_mmio_copy,
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};
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dev->bus = &mt76_mmio_ops;
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dev->regs = regs;
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}
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EXPORT_SYMBOL_GPL(mt76_mmio_init);
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