#ifndef HW_ISA_H

#define HW_ISA_H

/* ISA bus */

extern target_phys_addr_t isa_mem_base;

int register_ioport_read(int start, int length, int size,

                         IOPortReadFunc *func, void *opaque);

int register_ioport_write(int start, int length, int size,

                          IOPortWriteFunc *func, void *opaque);

void isa_unassign_ioport(int start, int length);

void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);

/* dma.c */

int DMA_get_channel_mode (int nchan);

int DMA_read_memory (int nchan, void *buf, int pos, int size);

int DMA_write_memory (int nchan, void *buf, int pos, int size);

void DMA_hold_DREQ (int nchan);

void DMA_release_DREQ (int nchan);

void DMA_schedule(int nchan);

void DMA_init (int high_page_enable);

void DMA_register_channel (int nchan,

                           DMA_transfer_handler transfer_handler,

                           void *opaque);

#endif