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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [ppc/] [kernel/] [port_io.c] - Blame information for rev 1777

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/*
 * I/O 'port' access routines
 */
 
/* This is really only correct for the MVME16xx (PreP)? */
 
#define _IO_BASE ((unsigned long)0x80000000)
 
unsigned char
inb(int port)
{
        return (*((unsigned  char *)(_IO_BASE+port)));
}
 
unsigned short
inw(int port)
{
        return (_LE_to_BE_short(*((unsigned short *)(_IO_BASE+port))));
}
 
unsigned long
inl(int port)
{
        return (_LE_to_BE_long(*((unsigned  long *)(_IO_BASE+port))));
}
 
void insb(int port, char *ptr, int len)
{
        unsigned char *io_ptr = (unsigned char *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *ptr++ = *io_ptr;
        }
}
 
#if 0
void insw(int port, short *ptr, int len)
{
        unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *ptr++ = _LE_to_BE_short(*io_ptr);
        }
}
#else
void insw(int port, short *ptr, int len)
{
        unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port);
        _insw(io_ptr, ptr, len);
}
#endif
 
void insw_unswapped(int port, short *ptr, int len)
{
        unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *ptr++ = *io_ptr;
        }
}
 
void insl(int port, long *ptr, int len)
{
        unsigned long *io_ptr = (unsigned long *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *ptr++ = _LE_to_BE_long(*io_ptr);
        }
}
 
unsigned char  inb_p(int port) {return (inb(port)); }
unsigned short inw_p(int port) {return (inw(port)); }
unsigned long  inl_p(int port) {return (inl(port)); }
 
unsigned char
outb(unsigned char val,int port)
{
        *((unsigned  char *)(_IO_BASE+port)) = (val);
        return (val);
}
 
unsigned short
outw(unsigned short val,int port)
{
        *((unsigned  short *)(_IO_BASE+port)) = _LE_to_BE_short(val);
        return (val);
}
 
unsigned long
outl(unsigned long val,int port)
{
        *((unsigned  long *)(_IO_BASE+port)) = _LE_to_BE_long(val);
        return (val);
}
 
void outsb(int port, char *ptr, int len)
{
        unsigned char *io_ptr = (unsigned char *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *io_ptr = *ptr++;
        }
}
 
#if 0
void outsw(int port, short *ptr, int len)
{
        unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *io_ptr = _LE_to_BE_short(*ptr++);
        }
}
#else
void outsw(int port, short *ptr, int len)
{
        unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port);
        _outsw(io_ptr, ptr, len);
}
#endif
 
void outsw_unswapped(int port, short *ptr, int len)
{
        unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *io_ptr = *ptr++;
        }
}
 
void outsl(int port, long *ptr, int len)
{
        unsigned long *io_ptr = (unsigned long *)(_IO_BASE+port);
        while (len-- > 0)
        {
                *io_ptr = _LE_to_BE_long(*ptr++);
        }
}
 
unsigned char  outb_p(unsigned char val,int port) { return (outb(val,port)); }
unsigned short outw_p(unsigned short val,int port) { return (outw(val,port)); }
unsigned long  outl_p(unsigned long val,int port) { return (outl(val,port)); }
 

Line No.	Rev	Author	Line
1	1624	jcastillo	`/*`
2			`* I/O 'port' access routines`
3			`*/`
4
5			`/* This is really only correct for the MVME16xx (PreP)? */`
6
7			`#define _IO_BASE ((unsigned long)0x80000000)`
8
9			`unsigned char`
10			`inb(int port)`
11			`{`
12			`return (((unsigned char )(_IO_BASE+port)));`
13			`}`
14
15			`unsigned short`
16			`inw(int port)`
17			`{`
18			`return (_LE_to_BE_short(((unsigned short )(_IO_BASE+port))));`
19			`}`
20
21			`unsigned long`
22			`inl(int port)`
23			`{`
24			`return (_LE_to_BE_long(((unsigned long )(_IO_BASE+port))));`
25			`}`
26
27			`void insb(int port, char *ptr, int len)`
28			`{`
29			`unsigned char io_ptr = (unsigned char )(_IO_BASE+port);`
30			`while (len-- > 0)`
31			`{`
32			`ptr++ = io_ptr;`
33			`}`
34			`}`
35
36			`#if 0`
37			`void insw(int port, short *ptr, int len)`
38			`{`
39			`unsigned short io_ptr = (unsigned short )(_IO_BASE+port);`
40			`while (len-- > 0)`
41			`{`
42			`ptr++ = _LE_to_BE_short(io_ptr);`
43			`}`
44			`}`
45			`#else`
46			`void insw(int port, short *ptr, int len)`
47			`{`
48			`unsigned short io_ptr = (unsigned short )(_IO_BASE+port);`
49			`_insw(io_ptr, ptr, len);`
50			`}`
51			`#endif`
52
53			`void insw_unswapped(int port, short *ptr, int len)`
54			`{`
55			`unsigned short io_ptr = (unsigned short )(_IO_BASE+port);`
56			`while (len-- > 0)`
57			`{`
58			`ptr++ = io_ptr;`
59			`}`
60			`}`
61
62			`void insl(int port, long *ptr, int len)`
63			`{`
64			`unsigned long io_ptr = (unsigned long )(_IO_BASE+port);`
65			`while (len-- > 0)`
66			`{`
67			`ptr++ = _LE_to_BE_long(io_ptr);`
68			`}`
69			`}`
70
71			`unsigned char inb_p(int port) {return (inb(port)); }`
72			`unsigned short inw_p(int port) {return (inw(port)); }`
73			`unsigned long inl_p(int port) {return (inl(port)); }`
74
75			`unsigned char`
76			`outb(unsigned char val,int port)`
77			`{`
78			`((unsigned char )(_IO_BASE+port)) = (val);`
79			`return (val);`
80			`}`
81
82			`unsigned short`
83			`outw(unsigned short val,int port)`
84			`{`
85			`((unsigned short )(_IO_BASE+port)) = _LE_to_BE_short(val);`
86			`return (val);`
87			`}`
88
89			`unsigned long`
90			`outl(unsigned long val,int port)`
91			`{`
92			`((unsigned long )(_IO_BASE+port)) = _LE_to_BE_long(val);`
93			`return (val);`
94			`}`
95
96			`void outsb(int port, char *ptr, int len)`
97			`{`
98			`unsigned char io_ptr = (unsigned char )(_IO_BASE+port);`
99			`while (len-- > 0)`
100			`{`
101			`io_ptr = ptr++;`
102			`}`
103			`}`
104
105			`#if 0`
106			`void outsw(int port, short *ptr, int len)`
107			`{`
108			`unsigned short io_ptr = (unsigned short )(_IO_BASE+port);`
109			`while (len-- > 0)`
110			`{`
111			`io_ptr = _LE_to_BE_short(ptr++);`
112			`}`
113			`}`
114			`#else`
115			`void outsw(int port, short *ptr, int len)`
116			`{`
117			`unsigned short io_ptr = (unsigned short )(_IO_BASE+port);`
118			`_outsw(io_ptr, ptr, len);`
119			`}`
120			`#endif`
121
122			`void outsw_unswapped(int port, short *ptr, int len)`
123			`{`
124			`unsigned short io_ptr = (unsigned short )(_IO_BASE+port);`
125			`while (len-- > 0)`
126			`{`
127			`io_ptr = ptr++;`
128			`}`
129			`}`
130
131			`void outsl(int port, long *ptr, int len)`
132			`{`
133			`unsigned long io_ptr = (unsigned long )(_IO_BASE+port);`
134			`while (len-- > 0)`
135			`{`
136			`io_ptr = _LE_to_BE_long(ptr++);`
137			`}`
138			`}`
139
140			`unsigned char outb_p(unsigned char val,int port) { return (outb(val,port)); }`
141			`unsigned short outw_p(unsigned short val,int port) { return (outw(val,port)); }`
142			`unsigned long outl_p(unsigned long val,int port) { return (outl(val,port)); }`
143

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [ppc/] [kernel/] [port_io.c] - Blame information for rev 1777