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/*
* MUSB OTG driver register I/O
*
* Copyright 2005 Mentor Graphics Corporation
* Copyright (C) 2005-2006 by Texas Instruments
* Copyright (C) 2006-2007 Nokia Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
#define __MUSB_LINUX_PLATFORM_ARCH_H__
#include <linux/io.h>
#if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
&& !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \
&& !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) \
&& !defined(CONFIG_MIPS)
static inline void readsl(const void __iomem *addr, void *buf, int len)
{ insl((unsigned long)addr, buf, len); }
static inline void readsw(const void __iomem *addr, void *buf, int len)
{ insw((unsigned long)addr, buf, len); }
static inline void readsb(const void __iomem *addr, void *buf, int len)
{ insb((unsigned long)addr, buf, len); }
static inline void writesl(const void __iomem *addr, const void *buf, int len)
{ outsl((unsigned long)addr, buf, len); }
static inline void writesw(const void __iomem *addr, const void *buf, int len)
{ outsw((unsigned long)addr, buf, len); }
static inline void writesb(const void __iomem *addr, const void *buf, int len)
{ outsb((unsigned long)addr, buf, len); }
#endif
#ifndef CONFIG_BLACKFIN
/* NOTE: these offsets are all in bytes */
static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
{ return __raw_readw(addr + offset); }
static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
{ return __raw_readl(addr + offset); }
static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
{ __raw_writew(data, addr + offset); }
static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
{ __raw_writel(data, addr + offset); }
#if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE)
/*
* TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
*/
static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
{
u16 tmp;
u8 val;
tmp = __raw_readw(addr + (offset & ~1));
if (offset & 1)
val = (tmp >> 8);
else
val = tmp & 0xff;
return val;
}
static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
{
u16 tmp;
tmp = __raw_readw(addr + (offset & ~1));
if (offset & 1)
tmp = (data << 8) | (tmp & 0xff);
else
tmp = (tmp & 0xff00) | data;
__raw_writew(tmp, addr + (offset & ~1));
}
#else
static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
{ return __raw_readb(addr + offset); }
static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
{ __raw_writeb(data, addr + offset); }
#endif /* CONFIG_USB_MUSB_TUSB6010 */
#else
static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
{ return (u8) (bfin_read16(addr + offset)); }
static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
{ return bfin_read16(addr + offset); }
static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
{ return (u32) (bfin_read16(addr + offset)); }
static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
{ bfin_write16(addr + offset, (u16) data); }
static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
{ bfin_write16(addr + offset, data); }
static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
{ bfin_write16(addr + offset, (u16) data); }
#endif /* CONFIG_BLACKFIN */
#endif
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