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/*
* Request an ISA DMA channel
*/
int isa_request_dma(int channel, dma_t *dma, const char *dev_name);
/*
* Free an ISA DMA channel
*/
void isa_free_dma(int channel, dma_t *dma);
/*
* Get ISA DMA channel residue
*/
int isa_get_dma_residue(int channel, dma_t *dma);
/*
* Enable (and set up) an ISA DMA channel
*/
void isa_enable_dma(int channel, dma_t *dma);
/*
* Disable an ISA DMA channel
*/
void isa_disable_dma(int channel, dma_t *dma);
/*
* Initialise DMA
*/
int isa_init_dma(void);
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