81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
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#ifndef _DDEKIT_RESOURCES_H
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#define _DDEKIT_RESOURCES_H
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#include <ddekit/ddekit.h>
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#include <ddekit/types.h>
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/*
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* request/release an isa DMA-channel
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*/
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int ddekit_request_dma(int nr);
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int ddekit_release_dma(int nr);
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/*
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* request/release an io-port range starting at addr start, lenght of count
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*/
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int ddekit_request_io(ddekit_addr_t start, ddekit_addr_t count);
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int ddekit_release_io(ddekit_addr_t start, ddekit_addr_t count);
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/*
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* request an IO-Memory mapping from address start to vaddr of the length count
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*/
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int ddekit_request_mem(ddekit_addr_t start, ddekit_addr_t count,
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ddekit_addr_t *vaddr);
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int ddekit_release_mem(ddekit_addr_t start, ddekit_addr_t count);
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/**
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* Read I/O port (byte)
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*
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* \param port port to read
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*
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* \return value read from port
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*/
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unsigned char ddekit_inb(ddekit_addr_t port);
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/**
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* Read I/O port (2-byte)
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*
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* \param port port to read
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*
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* \return value read from port
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*/
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unsigned short ddekit_inw(ddekit_addr_t port);
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/**
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* Read I/O port (4-byte)
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*
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* \param port port to read
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*
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* \return value read from port
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*/
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unsigned long ddekit_inl(ddekit_addr_t port);
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/**
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* Write I/O port (byte)
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*
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* \param port port to write
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* \param val value to write
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*/
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void ddekit_outb(ddekit_addr_t port, unsigned char val);
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/**
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* Write I/O port (2-byte)
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*
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* \param port port to write
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* \param val value to write
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*/
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void ddekit_outw(ddekit_addr_t port, unsigned short val);
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/**
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* Write I/O port (4-byte)
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*
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* \param port port to write
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* \param val value to write
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*/
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void ddekit_outl(ddekit_addr_t port, unsigned long val);
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#endif
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