2 * MUSB OTG driver register I/O
4 * Copyright 2005 Mentor Graphics Corporation
5 * Copyright (C) 2005-2006 by Texas Instruments
6 * Copyright (C) 2006-2007 Nokia Corporation
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
25 * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
29 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
36 #define __MUSB_LINUX_PLATFORM_ARCH_H__
40 #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) && !defined(CONFIG_AVR32) && \
41 !defined(CONFIG_PPC32) && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN)
42 static inline void readsl(const void __iomem
*addr
, void *buf
, int len
)
43 { insl((unsigned long)addr
, buf
, len
); }
44 static inline void readsw(const void __iomem
*addr
, void *buf
, int len
)
45 { insw((unsigned long)addr
, buf
, len
); }
46 static inline void readsb(const void __iomem
*addr
, void *buf
, int len
)
47 { insb((unsigned long)addr
, buf
, len
); }
49 static inline void writesl(const void __iomem
*addr
, const void *buf
, int len
)
50 { outsl((unsigned long)addr
, buf
, len
); }
51 static inline void writesw(const void __iomem
*addr
, const void *buf
, int len
)
52 { outsw((unsigned long)addr
, buf
, len
); }
53 static inline void writesb(const void __iomem
*addr
, const void *buf
, int len
)
54 { outsb((unsigned long)addr
, buf
, len
); }
58 #ifndef CONFIG_BLACKFIN
60 /* NOTE: these offsets are all in bytes */
62 static inline u16
musb_readw(const void __iomem
*addr
, unsigned offset
)
63 { return __raw_readw(addr
+ offset
); }
65 static inline u32
musb_readl(const void __iomem
*addr
, unsigned offset
)
66 { return __raw_readl(addr
+ offset
); }
69 static inline void musb_writew(void __iomem
*addr
, unsigned offset
, u16 data
)
70 { __raw_writew(data
, addr
+ offset
); }
72 static inline void musb_writel(void __iomem
*addr
, unsigned offset
, u32 data
)
73 { __raw_writel(data
, addr
+ offset
); }
76 #ifdef CONFIG_USB_TUSB6010
79 * TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
81 static inline u8
musb_readb(const void __iomem
*addr
, unsigned offset
)
86 tmp
= __raw_readw(addr
+ (offset
& ~1));
95 static inline void musb_writeb(void __iomem
*addr
, unsigned offset
, u8 data
)
99 tmp
= __raw_readw(addr
+ (offset
& ~1));
101 tmp
= (data
<< 8) | (tmp
& 0xff);
103 tmp
= (tmp
& 0xff00) | data
;
105 __raw_writew(tmp
, addr
+ (offset
& ~1));
110 static inline u8
musb_readb(const void __iomem
*addr
, unsigned offset
)
111 { return __raw_readb(addr
+ offset
); }
113 static inline void musb_writeb(void __iomem
*addr
, unsigned offset
, u8 data
)
114 { __raw_writeb(data
, addr
+ offset
); }
116 #endif /* CONFIG_USB_TUSB6010 */
120 static inline u8
musb_readb(const void __iomem
*addr
, unsigned offset
)
121 { return (u8
) (bfin_read16(addr
+ offset
)); }
123 static inline u16
musb_readw(const void __iomem
*addr
, unsigned offset
)
124 { return bfin_read16(addr
+ offset
); }
126 static inline u32
musb_readl(const void __iomem
*addr
, unsigned offset
)
127 { return (u32
) (bfin_read16(addr
+ offset
)); }
129 static inline void musb_writeb(void __iomem
*addr
, unsigned offset
, u8 data
)
130 { bfin_write16(addr
+ offset
, (u16
) data
); }
132 static inline void musb_writew(void __iomem
*addr
, unsigned offset
, u16 data
)
133 { bfin_write16(addr
+ offset
, data
); }
135 static inline void musb_writel(void __iomem
*addr
, unsigned offset
, u32 data
)
136 { bfin_write16(addr
+ offset
, (u16
) data
); }
138 #endif /* CONFIG_BLACKFIN */