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 void rio_dec_mod_count (void);
91 void 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
rio_memcpy_toio(void * dummy,void * dest,void * source,int n)137 static 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
rio_memcpy_fromio(void * dest,void * source,int n)151 static 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