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/drivers/char/rio/rio_linux.h

https://bitbucket.org/evzijst/gittest
C Header | 187 lines | 110 code | 41 blank | 36 comment | 8 complexity | c1e79f0b4b720bb2bcd3d4ef42ebc370 MD5 | raw file
  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
 90/* Allow us to debug "in the field" without requiring clients to
 91   recompile.... */
 92#if 1
 93#define rio_spin_lock_irqsave(sem, flags) do { \
 94	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinlockirqsave: %p %s:%d\n", \
 95	                                sem, __FILE__, __LINE__);\
 96	spin_lock_irqsave(sem, flags);\
 97	} while (0)
 98
 99#define rio_spin_unlock_irqrestore(sem, flags) do { \
100	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinunlockirqrestore: %p %s:%d\n",\
101	                                sem, __FILE__, __LINE__);\
102	spin_unlock_irqrestore(sem, flags);\
103	} while (0)
104
105#define rio_spin_lock(sem) do { \
106	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinlock: %p %s:%d\n",\
107	                                sem, __FILE__, __LINE__);\
108	spin_lock(sem);\
109	} while (0)
110
111#define rio_spin_unlock(sem) do { \
112	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinunlock: %p %s:%d\n",\
113	                                sem, __FILE__, __LINE__);\
114	spin_unlock(sem);\
115	} while (0)
116#else
117#define rio_spin_lock_irqsave(sem, flags) \
118            spin_lock_irqsave(sem, flags)
119
120#define rio_spin_unlock_irqrestore(sem, flags) \
121            spin_unlock_irqrestore(sem, flags)
122
123#define rio_spin_lock(sem) \
124            spin_lock(sem) 
125
126#define rio_spin_unlock(sem) \
127            spin_unlock(sem) 
128
129#endif
130
131
132
133#ifdef CONFIG_RIO_OLDPCI
134static inline void *rio_memcpy_toio (void *dummy, void *dest, void *source, int n)
135{
136  char *dst = dest;
137  char *src = source;
138
139  while (n--) {
140    writeb (*src++, dst++);
141    (void) readb (dummy);
142  }
143
144  return dest;
145}
146
147
148static inline void *rio_memcpy_fromio (void *dest, void *source, int n)
149{
150  char *dst = dest;
151  char *src = source;
152
153  while (n--) 
154    *dst++ = readb (src++);
155
156  return dest;
157}
158
159#else
160#define rio_memcpy_toio(dummy,dest,source,n)   memcpy_toio(dest, source, n)
161#define rio_memcpy_fromio                      memcpy_fromio
162#endif
163
164#define DEBUG 1
165
166
167/* 
168   This driver can spew a whole lot of debugging output at you. If you
169   need maximum performance, you should disable the DEBUG define. To
170   aid in debugging in the field, I'm leaving the compile-time debug
171   features enabled, and disable them "runtime". That allows me to
172   instruct people with problems to enable debugging without requiring
173   them to recompile... 
174*/
175
176#ifdef DEBUG
177#define rio_dprintk(f, str...) do { if (rio_debug & f) printk (str);} while (0)
178#define func_enter() rio_dprintk (RIO_DEBUG_FLOW, "rio: enter %s\n", __FUNCTION__)
179#define func_exit()  rio_dprintk (RIO_DEBUG_FLOW, "rio: exit  %s\n", __FUNCTION__)
180#define func_enter2() rio_dprintk (RIO_DEBUG_FLOW, "rio: enter %s (port %d)\n",__FUNCTION__, port->line)
181#else
182#define rio_dprintk(f, str...) /* nothing */
183#define func_enter()
184#define func_exit()
185#define func_enter2()
186#endif
187