/*
* Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The full GNU General Public License is included in this distribution in the
* file called COPYING.
*/
#ifndef IOATDMA_IO_H
#define IOATDMA_IO_H
#include <asm/io.h>
/*
* device and per-channel MMIO register read and write functions
* this is a lot of anoying inline functions, but it's typesafe
*/
static inline u8 ioatdma_read8(struct ioat_device *device,
unsigned int offset)
{
return readb(device->reg_base + offset);
}
static inline u16 ioatdma_read16(struct ioat_device *device,
unsigned int offset)
{
return readw(device->reg_base + offset);
}
static inline u32 ioatdma_read32(struct ioat_device *device,
unsigned int offset)
{
return readl(device->reg_base + offset);
}
static inline void ioatdma_write8(struct ioat_device *device,
unsigned int offset, u8 value)
{
writeb(value, device->reg_base + offset);
}
static inline void ioatdma_write16(struct ioat_device *device,
unsigned int offset, u16 value)
{
writew(value, device->reg_base + offset);
}
static inline void ioatdma_write32(struct ioat_device *device,
unsigned int offset, u32 value)
{
writel(value, device->reg_base + offset);
}
static inline u8 ioatdma_chan_read8(struct ioat_dma_chan *chan,
unsigned int offset)
{
return readb(chan->reg_base + offset);
}
static inline u16 ioatdma_chan_read16(struct ioat_dma_chan *chan,
unsigned int offset)
{
return readw(chan->reg_base + offset);
}
static inline u32 ioatdma_chan_read32(struct ioat_dma_chan *chan,
unsigned int offset)
{
return readl(chan->reg_base + offset);
}
static inline void ioatdma_chan_write8(struct ioat_dma_chan *chan,
unsigned int offset, u8 value)
{
writeb(value, chan->reg_base + offset);
}
static inline void ioatdma_chan_write16(struct ioat_dma_chan *chan,
unsigned int offset, u16 value)
{
writew(value, chan->reg_base + offset);
}
static inline void ioatdma_chan_write32(struct ioat_dma_chan *chan,
unsigned int offset, u32 value)
{
writel(value, chan->reg_base + offset);
}
#if (BITS_PER_LONG == 64)
static inline u64 ioatdma_chan_read64(struct ioat_dma_chan *chan,
unsigned int offset)
{
return readq(chan->reg_base + offset);
}
static inline void ioatdma_chan_write64(struct ioat_dma_chan *chan,
unsigned int offset, u64 value)
{
writeq(value, chan->reg_base + offset);
}
#endif
#endif /* IOATDMA_IO_H */
