2 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
24 val = ioread32(dev->regs + offset);
25 trace_reg_rr(dev, offset, val);
30 static void mt76_mmio_wr(struct mt76_dev *dev, u32 offset, u32 val)
32 trace_reg_wr(dev, offset, val);
33 iowrite32(val, dev->regs + offset);
36 static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val)
38 val |= mt76_mmio_rr(dev, offset) & ~mask;
39 mt76_mmio_wr(dev, offset, val);
43 static void mt76_mmio_copy(struct mt76_dev *dev, u32 offset, const void *data,
46 __iowrite32_copy(dev->regs + offset, data, len >> 2);
49 void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
51 static const struct mt76_bus_ops mt76_mmio_ops = {
55 .copy = mt76_mmio_copy,
58 dev->bus = &mt76_mmio_ops;
61 EXPORT_SYMBOL_GPL(mt76_mmio_init);