mirror of
https://github.com/outbackdingo/mt76.git
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58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* Copyright (C) 2015 Felix Fietkau <[email protected]>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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_read(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_write(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, 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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