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
39 struct 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
134 static 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
148 static 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
188
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