xref: /aosp_15_r20/external/pciutils/lib/i386-io-beos.h (revision c2e0c6b56a71da9abe8df5c8348fb3eb5c2c9251)

/*
 *	The PCI Library -- Access to i386 I/O ports on BeOS
 *
 *	Copyright (c) 2009 Francois Revol <[email protected]>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL v2+
 *
 *	SPDX-License-Identifier: GPL-2.0-or-later
 */

/* those are private syscalls */
extern int read_isa_io(int pci_bus, void *addr, int size);
extern int write_isa_io(int pci_bus, void *addr, int size, u32 value);

static int
intel_setup_io(struct pci_access *a UNUSED)
{
  return 1;
}

static inline void
intel_cleanup_io(struct pci_access *a UNUSED)
{
}

static inline u8
intel_inb (u16 port)
{
  return (u8)read_isa_io(0, (void *)(u32)port, sizeof(u8));
}

static inline u16
intel_inw (u16 port)
{
  return (u16)read_isa_io(0, (void *)(u32)port, sizeof(u16));
}

static inline u32
intel_inl (u16 port)
{
  return (u32)read_isa_io(0, (void *)(u32)port, sizeof(u32));
}

static inline void
intel_outb (u8 value, u16 port)
{
  write_isa_io(0, (void *)(u32)port, sizeof(value), value);
}

static inline void
intel_outw (u16 value, u16 port)
{
  write_isa_io(0, (void *)(u32)port, sizeof(value), value);
}

static inline void
intel_outl (u32 value, u16 port)
{
  write_isa_io(0, (void *)(u32)port, sizeof(value), value);
}

static inline void intel_io_lock(void)
{
}

static inline void intel_io_unlock(void)
{
}