include/asm-sh/bigsur/io.h

   1 /*
   2  * include/asm-sh/io_bigsur.h
   3  *
   4  * By Dustin McIntire (dustin@sensoria.com) (c)2001
   5  * Derived from io_hd64465.h, which bore the message:
   6  * By Greg Banks <gbanks@pocketpenguins.com>
   7  * (c) 2000 PocketPenguins Inc.
   8  * and from io_hd64461.h, which bore the message:
   9  * Copyright 2000 Stuart Menefy (stuart.menefy@st.com)
  10  *
  11  * May be copied or modified under the terms of the GNU General Public
  12  * License.  See linux/COPYING for more information.
  13  *
  14  * IO functions for a Hitachi Big Sur Evaluation Board.
  15  */
  16
  17 #ifndef _ASM_SH_IO_BIGSUR_H
  18 #define _ASM_SH_IO_BIGSUR_H
  19
  20 #include <linux/types.h>
  21
  22 extern unsigned long bigsur_isa_port2addr(unsigned long offset);
  23 extern int bigsur_irq_demux(int irq);
  24 /* Provision for generic secondary demux step -- used by PCMCIA code */
  25 extern void bigsur_register_irq_demux(int irq,
  26                 int (*demux)(int irq, void *dev), void *dev);
  27 extern void bigsur_unregister_irq_demux(int irq);
  28 /* Set this variable to 1 to see port traffic */
  29 extern int bigsur_io_debug;
  30 /* Map a range of ports to a range of kernel virtual memory. */
  31 extern void bigsur_port_map(u32 baseport, u32 nports, u32 addr, u8 shift);
  32 extern void bigsur_port_unmap(u32 baseport, u32 nports);
  33
  34 #endif /* _ASM_SH_IO_BIGSUR_H */
  35