drivers/serial/8250.h

   1 /*
   2  *  linux/drivers/char/8250.h
   3  *
   4  *  Driver for 8250/16550-type serial ports
   5  *
   6  *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
   7  *
   8  *  Copyright (C) 2001 Russell King.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  *  $Id: 8250.h,v 1.8 2002/07/21 21:32:30 rmk Exp $
  16  */
  17
  18 #include <linux/config.h>
  19
  20 struct serial8250_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 serial8250_register_probe(struct serial8250_probe *probe);
  28 void serial8250_unregister_probe(struct serial8250_probe *probe);
  29 void serial8250_get_irq_map(unsigned int *map);
  30 void serial8250_suspend_port(int line, u32 level);
  31 void serial8250_resume_port(int line, u32 level);
  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 hub6;
  40         unsigned char io_type;
  41         unsigned char *iomem_base;
  42         unsigned short iomem_reg_shift;
  43 };
  44
  45 #undef SERIAL_DEBUG_PCI
  46
  47 #if defined(__i386__) && (defined(CONFIG_M386) || defined(CONFIG_M486))
  48 #define SERIAL_INLINE
  49 #endif
  50
  51 #ifdef SERIAL_INLINE
  52 #define _INLINE_ inline
  53 #else
  54 #define _INLINE_
  55 #endif
  56
  57 #define PROBE_RSA       (1 << 0)
  58 #define PROBE_ANY       (~0)
  59
  60 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
  61
  62 #ifdef CONFIG_SERIAL_8250_SHARE_IRQ
  63 #define SERIAL8250_SHARE_IRQS 1
  64 #else
  65 #define SERIAL8250_SHARE_IRQS 0
  66 #endif