drivers/serial/m32r_sio.h

   1 /*
   2  *  m32r_sio.h
   3  *
   4  *  Driver for M32R serial ports
   5  *
   6  *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
   7  *  Based on drivers/serial/8250.h.
   8  *
   9  *  Copyright (C) 2001  Russell King.
  10  *  Copyright (C) 2004  Hirokazu Takata <takata at linux-m32r.org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  */
  17
  18 #include <linux/config.h>
  19
  20 struct m32r_sio_probe {
  21         struct module   *owner;
  22         int             (*pci_init_one)(struct pci_dev *dev);
  23         void            (*pci_remove_one)(struct pci_dev *dev);
  24         void            (*pnp_init)(void);
  25 };
  26
  27 int m32r_sio_register_probe(struct m32r_sio_probe *probe);
  28 void m32r_sio_unregister_probe(struct m32r_sio_probe *probe);
  29 void m32r_sio_get_irq_map(unsigned int *map);
  30 void m32r_sio_suspend_port(int line);
  31 void m32r_sio_resume_port(int line);
  32
  33 struct old_serial_port {
  34         unsigned int uart;
  35         unsigned int baud_base;
  36         unsigned int port;
  37         unsigned int irq;
  38         unsigned int flags;
  39         unsigned char io_type;
  40         unsigned char __iomem *iomem_base;
  41         unsigned short iomem_reg_shift;
  42 };
  43
  44 #define _INLINE_ inline
  45
  46 #define PROBE_RSA       (1 << 0)
  47 #define PROBE_ANY       (~0)
  48
  49 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
  50
  51 #ifdef CONFIG_SERIAL_SIO_SHARE_IRQ
  52 #define M32R_SIO_SHARE_IRQS 1
  53 #else
  54 #define M32R_SIO_SHARE_IRQS 0
  55 #endif