root / lab4 / .minix-src / include / ddekit / resources.h @ 13
History | View | Annotate | Download (1.56 KB)
1 |
#ifndef _DDEKIT_RESOURCES_H
|
---|---|
2 |
#define _DDEKIT_RESOURCES_H
|
3 |
|
4 |
#include <ddekit/ddekit.h> |
5 |
#include <ddekit/types.h> |
6 |
|
7 |
|
8 |
/*
|
9 |
* request/release an isa DMA-channel
|
10 |
*/
|
11 |
|
12 |
int ddekit_request_dma(int nr); |
13 |
int ddekit_release_dma(int nr); |
14 |
|
15 |
/*
|
16 |
* request/release an io-port range starting at addr start, lenght of count
|
17 |
*/
|
18 |
int ddekit_request_io(ddekit_addr_t start, ddekit_addr_t count);
|
19 |
int ddekit_release_io(ddekit_addr_t start, ddekit_addr_t count);
|
20 |
|
21 |
/*
|
22 |
* request an IO-Memory mapping from address start to vaddr of the length count
|
23 |
*/
|
24 |
int ddekit_request_mem(ddekit_addr_t start, ddekit_addr_t count,
|
25 |
ddekit_addr_t *vaddr); |
26 |
int ddekit_release_mem(ddekit_addr_t start, ddekit_addr_t count);
|
27 |
|
28 |
/**
|
29 |
* Read I/O port (byte)
|
30 |
*
|
31 |
* \param port port to read
|
32 |
*
|
33 |
* \return value read from port
|
34 |
*/
|
35 |
unsigned char ddekit_inb(ddekit_addr_t port); |
36 |
|
37 |
/**
|
38 |
* Read I/O port (2-byte)
|
39 |
*
|
40 |
* \param port port to read
|
41 |
*
|
42 |
* \return value read from port
|
43 |
*/
|
44 |
unsigned short ddekit_inw(ddekit_addr_t port); |
45 |
|
46 |
/**
|
47 |
* Read I/O port (4-byte)
|
48 |
*
|
49 |
* \param port port to read
|
50 |
*
|
51 |
* \return value read from port
|
52 |
*/
|
53 |
unsigned long ddekit_inl(ddekit_addr_t port); |
54 |
|
55 |
/**
|
56 |
* Write I/O port (byte)
|
57 |
*
|
58 |
* \param port port to write
|
59 |
* \param val value to write
|
60 |
*/
|
61 |
void ddekit_outb(ddekit_addr_t port, unsigned char val); |
62 |
|
63 |
/**
|
64 |
* Write I/O port (2-byte)
|
65 |
*
|
66 |
* \param port port to write
|
67 |
* \param val value to write
|
68 |
*/
|
69 |
void ddekit_outw(ddekit_addr_t port, unsigned short val); |
70 |
|
71 |
/**
|
72 |
* Write I/O port (4-byte)
|
73 |
*
|
74 |
* \param port port to write
|
75 |
* \param val value to write
|
76 |
*/
|
77 |
void ddekit_outl(ddekit_addr_t port, unsigned long val); |
78 |
|
79 |
|
80 |
#endif
|