1 #ifndef HW_ISA_H

     2 #define HW_ISA_H

     3 /* ISA bus */

     4 

     5 extern target_phys_addr_t isa_mem_base;

     6 

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

     8                          IOPortReadFunc *func, void *opaque);

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

    10                           IOPortWriteFunc *func, void *opaque);

    11 void isa_unassign_ioport(int start, int length);

    12 

    13 void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);

    14 

    15 /* dma.c */

    16 int DMA_get_channel_mode (int nchan);

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

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

    19 void DMA_hold_DREQ (int nchan);

    20 void DMA_release_DREQ (int nchan);

    21 void DMA_schedule(int nchan);

    22 void DMA_init (int high_page_enable);

    23 void DMA_register_channel (int nchan,

    24                            DMA_transfer_handler transfer_handler,

    25                            void *opaque);

    26 #endif