LXR linux-old/drivers/char/rio/rio

   1
   2/*
   3 *  rio_linux.h
   4 *
   5 *  Copyright (C) 1998,1999,2000 R.E.Wolff@BitWizard.nl
   6 *
   7 *      This program is free software; you can redistribute it and/or modify
   8 *      it under the terms of the GNU General Public License as published by
   9 *      the Free Software Foundation; either version 2 of the License, or
  10 *      (at your option) any later version.
  11 *
  12 *      This program is distributed in the hope that it will be useful,
  13 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 *      GNU General Public License for more details.
  16 *
  17 *      You should have received a copy of the GNU General Public License
  18 *      along with this program; if not, write to the Free Software
  19 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 *
  21 *  RIO serial driver.
  22 *
  23 *  Version 1.0 -- July, 1999. 
  24 * 
  25 */
  26#include <linux/config.h>
  27
  28#define RIO_NBOARDS        4
  29#define RIO_PORTSPERBOARD 128
  30#define RIO_NPORTS        (RIO_NBOARDS * RIO_PORTSPERBOARD)
  31
  32#define MODEM_SUPPORT
  33
  34#ifdef __KERNEL__
  35
  36#define RIO_MAGIC 0x12345678
  37
  38
  39struct vpd_prom {
  40  unsigned short id;
  41  char hwrev;
  42  char hwass;
  43  int uniqid;
  44  char myear;
  45  char mweek;
  46  char hw_feature[5];
  47  char oem_id;
  48  char identifier[16];
  49};
  50
  51
  52#define RIO_DEBUG_ALL           0xffffffff
  53
  54#define O_OTHER(tty)    \
  55      ((O_OLCUC(tty))  ||\
  56      (O_ONLCR(tty))   ||\
  57      (O_OCRNL(tty))   ||\
  58      (O_ONOCR(tty))   ||\
  59      (O_ONLRET(tty))  ||\
  60      (O_OFILL(tty))   ||\
  61      (O_OFDEL(tty))   ||\
  62      (O_NLDLY(tty))   ||\
  63      (O_CRDLY(tty))   ||\
  64      (O_TABDLY(tty))  ||\
  65      (O_BSDLY(tty))   ||\
  66      (O_VTDLY(tty))   ||\
  67      (O_FFDLY(tty)))
  68
  69/* Same for input. */
  70#define I_OTHER(tty)    \
  71      ((I_INLCR(tty))  ||\
  72      (I_IGNCR(tty))   ||\
  73      (I_ICRNL(tty))   ||\
  74      (I_IUCLC(tty))   ||\
  75      (L_ISIG(tty)))
  76
  77
  78#endif /* __KERNEL__ */
  79
  80
  81#define RIO_BOARD_INTR_LOCK  1
  82
  83
  84#ifndef RIOCTL_MISC_MINOR 
  85/* Allow others to gather this into "major.h" or something like that */
  86#define RIOCTL_MISC_MINOR    169
  87#endif
  88
  89
  90void rio_dec_mod_count (void);
  91void rio_inc_mod_count (void);
  92
  93/* Allow us to debug "in the field" without requiring clients to
  94   recompile.... */
  95#if 1
  96#define rio_spin_lock_irqsave(sem, flags) do { \
  97        rio_dprintk (RIO_DEBUG_SPINLOCK, "spinlockirqsave: %p %s:%d\n", \
  98                                        sem, __FILE__, __LINE__);\
  99        spin_lock_irqsave(sem, flags);\
 100        } while (0)
 101
 102#define rio_spin_unlock_irqrestore(sem, flags) do { \
 103        rio_dprintk (RIO_DEBUG_SPINLOCK, "spinunlockirqrestore: %p %s:%d\n",\
 104                                        sem, __FILE__, __LINE__);\
 105        spin_unlock_irqrestore(sem, flags);\
 106        } while (0)
 107
 108#define rio_spin_lock(sem) do { \
 109        rio_dprintk (RIO_DEBUG_SPINLOCK, "spinlock: %p %s:%d\n",\
 110                                        sem, __FILE__, __LINE__);\
 111        spin_lock(sem);\
 112        } while (0)
 113
 114#define rio_spin_unlock(sem) do { \
 115        rio_dprintk (RIO_DEBUG_SPINLOCK, "spinunlock: %p %s:%d\n",\
 116                                        sem, __FILE__, __LINE__);\
 117        spin_unlock(sem);\
 118        } while (0)
 119#else
 120#define rio_spin_lock_irqsave(sem, flags) \
 121            spin_lock_irqsave(sem, flags)
 122
 123#define rio_spin_unlock_irqrestore(sem, flags) \
 124            spin_unlock_irqrestore(sem, flags)
 125
 126#define rio_spin_lock(sem) \
 127            spin_lock(sem) 
 128
 129#define rio_spin_unlock(sem) \
 130            spin_unlock(sem) 
 131
 132#endif
 133
 134
 135
 136#ifdef CONFIG_RIO_OLDPCI
 137static inline void *rio_memcpy_toio (void *dummy, void *dest, void *source, int n)
 138{
 139  char *dst = dest;
 140  char *src = source;
 141
 142  while (n--) {
 143    writeb (*src++, dst++);
 144    (void) readb (dummy);
 145  }
 146
 147  return dest;
 148}
 149
 150
 151static inline void *rio_memcpy_fromio (void *dest, void *source, int n)
 152{
 153  char *dst = dest;
 154  char *src = source;
 155
 156  while (n--) 
 157    *dst++ = readb (src++);
 158
 159  return dest;
 160}
 161
 162#else
 163#define rio_memcpy_toio(dummy,dest,source,n)   memcpy_toio(dest, source, n)
 164#define rio_memcpy_fromio                      memcpy_fromio
 165#endif
 166
 167#define DEBUG 1
 168
 169
 170/* 
 171   This driver can spew a whole lot of debugging output at you. If you
 172   need maximum performance, you should disable the DEBUG define. To
 173   aid in debugging in the field, I'm leaving the compile-time debug
 174   features enabled, and disable them "runtime". That allows me to
 175   instruct people with problems to enable debugging without requiring
 176   them to recompile... 
 177*/
 178
 179#ifdef DEBUG
 180#define rio_dprintk(f, str...) do { if (rio_debug & f) printk (str);} while (0)
 181#define func_enter() rio_dprintk (RIO_DEBUG_FLOW, "rio: enter %s\n", __FUNCTION__)
 182#define func_exit()  rio_dprintk (RIO_DEBUG_FLOW, "rio: exit  %s\n", __FUNCTION__)
 183#define func_enter2() rio_dprintk (RIO_DEBUG_FLOW, "rio: enter %s (port %d)\n",  \
 184                                __FUNCTION__, port->line)
 185#else
 186#define rio_dprintk(f, str...) /* nothing */
 187#define func_enter()
 188#define func_exit()
 189#define func_enter2()
 190#endif
 191
 192