lib/i386-io-beos.h

   1 /*
   2  *      The PCI Library -- Access to i386 I/O ports on BeOS
   3  *
   4  *      Copyright (c) 2009 Francois Revol <revol@free.fr>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  */
   8
   9 /* those are private syscalls */
  10 extern int read_isa_io(int pci_bus, void *addr, int size);
  11 extern int write_isa_io(int pci_bus, void *addr, int size, u32 value);
  12
  13 static int
  14 intel_setup_io(struct pci_access *a UNUSED)
  15 {
  16   return 1;
  17 }
  18
  19 static inline int
  20 intel_cleanup_io(struct pci_access *a UNUSED)
  21 {
  22   return 1;
  23 }
  24
  25 static inline u8
  26 inb (u16 port)
  27 {
  28   return (u8)read_isa_io(0, (void *)(u32)port, sizeof(u8));
  29 }
  30
  31 static inline u16
  32 inw (u16 port)
  33 {
  34   return (u16)read_isa_io(0, (void *)(u32)port, sizeof(u16));
  35 }
  36
  37 static inline u32
  38 inl (u16 port)
  39 {
  40   return (u32)read_isa_io(0, (void *)(u32)port, sizeof(u32));
  41 }
  42
  43 static inline void
  44 outb (u8 value, u16 port)
  45 {
  46   write_isa_io(0, (void *)(u32)port, sizeof(value), value);
  47 }
  48
  49 static inline void
  50 outw (u16 value, u16 port)
  51 {
  52   write_isa_io(0, (void *)(u32)port, sizeof(value), value);
  53 }
  54
  55 static inline void
  56 outl (u32 value, u16 port)
  57 {
  58   write_isa_io(0, (void *)(u32)port, sizeof(value), value);
  59 }