Commit | Line | Data |
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550a7375 FB |
1 | /* |
2 | * MUSB OTG driver register I/O | |
3 | * | |
4 | * Copyright 2005 Mentor Graphics Corporation | |
5 | * Copyright (C) 2005-2006 by Texas Instruments | |
6 | * Copyright (C) 2006-2007 Nokia Corporation | |
7 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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 | |
20 | * 02110-1301 USA | |
21 | * | |
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. | |
32 | * | |
33 | */ | |
34 | ||
35 | #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__ | |
36 | #define __MUSB_LINUX_PLATFORM_ARCH_H__ | |
37 | ||
38 | #include <linux/io.h> | |
39 | ||
eaa3246e FB |
40 | #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \ |
41 | && !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \ | |
7833414d | 42 | && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) |
550a7375 FB |
43 | static inline void readsl(const void __iomem *addr, void *buf, int len) |
44 | { insl((unsigned long)addr, buf, len); } | |
45 | static inline void readsw(const void __iomem *addr, void *buf, int len) | |
46 | { insw((unsigned long)addr, buf, len); } | |
47 | static inline void readsb(const void __iomem *addr, void *buf, int len) | |
48 | { insb((unsigned long)addr, buf, len); } | |
49 | ||
50 | static inline void writesl(const void __iomem *addr, const void *buf, int len) | |
51 | { outsl((unsigned long)addr, buf, len); } | |
52 | static inline void writesw(const void __iomem *addr, const void *buf, int len) | |
53 | { outsw((unsigned long)addr, buf, len); } | |
54 | static inline void writesb(const void __iomem *addr, const void *buf, int len) | |
55 | { outsb((unsigned long)addr, buf, len); } | |
56 | ||
57 | #endif | |
58 | ||
2c557a4a BW |
59 | #ifndef CONFIG_BLACKFIN |
60 | ||
550a7375 FB |
61 | /* NOTE: these offsets are all in bytes */ |
62 | ||
63 | static inline u16 musb_readw(const void __iomem *addr, unsigned offset) | |
64 | { return __raw_readw(addr + offset); } | |
65 | ||
66 | static inline u32 musb_readl(const void __iomem *addr, unsigned offset) | |
67 | { return __raw_readl(addr + offset); } | |
68 | ||
69 | ||
70 | static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data) | |
71 | { __raw_writew(data, addr + offset); } | |
72 | ||
73 | static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data) | |
74 | { __raw_writel(data, addr + offset); } | |
75 | ||
76 | ||
77 | #ifdef CONFIG_USB_TUSB6010 | |
78 | ||
79 | /* | |
80 | * TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum. | |
81 | */ | |
82 | static inline u8 musb_readb(const void __iomem *addr, unsigned offset) | |
83 | { | |
84 | u16 tmp; | |
85 | u8 val; | |
86 | ||
87 | tmp = __raw_readw(addr + (offset & ~1)); | |
88 | if (offset & 1) | |
89 | val = (tmp >> 8); | |
90 | else | |
91 | val = tmp & 0xff; | |
92 | ||
93 | return val; | |
94 | } | |
95 | ||
96 | static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data) | |
97 | { | |
98 | u16 tmp; | |
99 | ||
100 | tmp = __raw_readw(addr + (offset & ~1)); | |
101 | if (offset & 1) | |
102 | tmp = (data << 8) | (tmp & 0xff); | |
103 | else | |
104 | tmp = (tmp & 0xff00) | data; | |
105 | ||
106 | __raw_writew(tmp, addr + (offset & ~1)); | |
107 | } | |
108 | ||
109 | #else | |
110 | ||
111 | static inline u8 musb_readb(const void __iomem *addr, unsigned offset) | |
112 | { return __raw_readb(addr + offset); } | |
113 | ||
114 | static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data) | |
115 | { __raw_writeb(data, addr + offset); } | |
116 | ||
117 | #endif /* CONFIG_USB_TUSB6010 */ | |
118 | ||
2c557a4a BW |
119 | #else |
120 | ||
121 | static inline u8 musb_readb(const void __iomem *addr, unsigned offset) | |
122 | { return (u8) (bfin_read16(addr + offset)); } | |
123 | ||
124 | static inline u16 musb_readw(const void __iomem *addr, unsigned offset) | |
125 | { return bfin_read16(addr + offset); } | |
126 | ||
127 | static inline u32 musb_readl(const void __iomem *addr, unsigned offset) | |
128 | { return (u32) (bfin_read16(addr + offset)); } | |
129 | ||
130 | static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data) | |
131 | { bfin_write16(addr + offset, (u16) data); } | |
132 | ||
133 | static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data) | |
134 | { bfin_write16(addr + offset, data); } | |
135 | ||
136 | static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data) | |
137 | { bfin_write16(addr + offset, (u16) data); } | |
138 | ||
139 | #endif /* CONFIG_BLACKFIN */ | |
140 | ||
550a7375 | 141 | #endif |