7 extern target_phys_addr_t isa_mem_base;
9 void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);
12 int DMA_get_channel_mode (int nchan);
13 int DMA_read_memory (int nchan, void *buf, int pos, int size);
14 int DMA_write_memory (int nchan, void *buf, int pos, int size);
15 void DMA_hold_DREQ (int nchan);
16 void DMA_release_DREQ (int nchan);
17 void DMA_schedule(int nchan);
18 void DMA_init (int high_page_enable);
19 void DMA_register_channel (int nchan,
20 DMA_transfer_handler transfer_handler,