src/add-ons/kernel/bus_managers/isa/isa_arch.h

   1 /*
   2  * Copyright 2007 Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *      François Revol (revol@free.fr)
   7  */
   8
   9 /*
  10         ISA bus manager
  11
  12         arch-dependant functions
  13 */
  14
  15 #ifdef __cplusplus
  16 extern "C" {
  17 #endif
  18
  19 /* implemented in arch/<cpu>/ */
  20 extern status_t arch_isa_init(void);
  21 extern uint8 arch_isa_read_io_8(int mapped_io_addr);
  22 extern void arch_isa_write_io_8(int mapped_io_addr, uint8 value);
  23 extern uint16 arch_isa_read_io_16(int mapped_io_addr);
  24 extern void arch_isa_write_io_16(int mapped_io_addr, uint16 value);
  25 extern uint32 arch_isa_read_io_32(int mapped_io_addr);
  26 extern void arch_isa_write_io_32(int mapped_io_addr, uint32 value);
  27 extern phys_addr_t arch_isa_ram_address(phys_addr_t);
  28 extern status_t arch_start_isa_dma(long channel, void *buf,
  29                                                                    long transfer_count,
  30                                                                    uchar mode, uchar e_mode);
  31
  32 #ifdef __cplusplus
  33 }
  34 #endif