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
27#define RIO_NBOARDS        4
28#define RIO_PORTSPERBOARD 128
29#define RIO_NPORTS        (RIO_NBOARDS * RIO_PORTSPERBOARD)
30
31#define MODEM_SUPPORT
32
33#ifdef __KERNEL__
34
35#define RIO_MAGIC 0x12345678
36
37
38struct vpd_prom {
39	unsigned short id;
40	char hwrev;
41	char hwass;
42	int uniqid;
43	char myear;
44	char mweek;
45	char hw_feature[5];
46	char oem_id;
47	char identifier[16];
48};
49
50
51#define RIO_DEBUG_ALL           0xffffffff
52
53#define O_OTHER(tty)    \
54      ((O_OLCUC(tty))  ||\
55      (O_ONLCR(tty))   ||\
56      (O_OCRNL(tty))   ||\
57      (O_ONOCR(tty))   ||\
58      (O_ONLRET(tty))  ||\
59      (O_OFILL(tty))   ||\
60      (O_OFDEL(tty))   ||\
61      (O_NLDLY(tty))   ||\
62      (O_CRDLY(tty))   ||\
63      (O_TABDLY(tty))  ||\
64      (O_BSDLY(tty))   ||\
65      (O_VTDLY(tty))   ||\
66      (O_FFDLY(tty)))
67
68/* Same for input. */
69#define I_OTHER(tty)    \
70      ((I_INLCR(tty))  ||\
71      (I_IGNCR(tty))   ||\
72      (I_ICRNL(tty))   ||\
73      (I_IUCLC(tty))   ||\
74      (L_ISIG(tty)))
75
76
77#endif				/* __KERNEL__ */
78
79
80#define RIO_BOARD_INTR_LOCK  1
81
82
83#ifndef RIOCTL_MISC_MINOR
84/* Allow others to gather this into "major.h" or something like that */
85#define RIOCTL_MISC_MINOR    169
86#endif
87
88
89/* Allow us to debug "in the field" without requiring clients to
90   recompile.... */
91#define rio_spin_lock_irqsave(sem, flags) do { \
92	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinlockirqsave: %p %s:%d\n", \
93	                                sem, __FILE__, __LINE__);\
94	spin_lock_irqsave(sem, flags);\
95	} while (0)
96
97#define rio_spin_unlock_irqrestore(sem, flags) do { \
98	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinunlockirqrestore: %p %s:%d\n",\
99	                                sem, __FILE__, __LINE__);\
100	spin_unlock_irqrestore(sem, flags);\
101	} while (0)
102
103#define rio_spin_lock(sem) do { \
104	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinlock: %p %s:%d\n",\
105	                                sem, __FILE__, __LINE__);\
106	spin_lock(sem);\
107	} while (0)
108
109#define rio_spin_unlock(sem) do { \
110	rio_dprintk (RIO_DEBUG_SPINLOCK, "spinunlock: %p %s:%d\n",\
111	                                sem, __FILE__, __LINE__);\
112	spin_unlock(sem);\
113	} while (0)
114
115
116
117#ifdef CONFIG_RIO_OLDPCI
118static inline void __iomem *rio_memcpy_toio(void __iomem *dummy, void __iomem *dest, void *source, int n)
119{
120	char __iomem *dst = dest;
121	char *src = source;
122
123	while (n--) {
124		writeb(*src++, dst++);
125		(void) readb(dummy);
126	}
127
128	return dest;
129}
130
131static inline void __iomem *rio_copy_toio(void __iomem *dest, void *source, int n)
132{
133	char __iomem *dst = dest;
134	char *src = source;
135
136	while (n--)
137		writeb(*src++, dst++);
138
139	return dest;
140}
141
142
143static inline void *rio_memcpy_fromio(void *dest, void __iomem *source, int n)
144{
145	char *dst = dest;
146	char __iomem *src = source;
147
148	while (n--)
149		*dst++ = readb(src++);
150
151	return dest;
152}
153
154#else
155#define rio_memcpy_toio(dummy,dest,source,n)   memcpy_toio(dest, source, n)
156#define rio_copy_toio   		       memcpy_toio
157#define rio_memcpy_fromio                      memcpy_fromio
158#endif
159
160#define DEBUG 1
161
162
163/*
164   This driver can spew a whole lot of debugging output at you. If you
165   need maximum performance, you should disable the DEBUG define. To
166   aid in debugging in the field, I'm leaving the compile-time debug
167   features enabled, and disable them "runtime". That allows me to
168   instruct people with problems to enable debugging without requiring
169   them to recompile...
170*/
171
172#ifdef DEBUG
173#define rio_dprintk(f, str...) do { if (rio_debug & f) printk (str);} while (0)
174#define func_enter() rio_dprintk (RIO_DEBUG_FLOW, "rio: enter %s\n", __FUNCTION__)
175#define func_exit()  rio_dprintk (RIO_DEBUG_FLOW, "rio: exit  %s\n", __FUNCTION__)
176#define func_enter2() rio_dprintk (RIO_DEBUG_FLOW, "rio: enter %s (port %d)\n",__FUNCTION__, port->line)
177#else
178#define rio_dprintk(f, str...)	/* nothing */
179#define func_enter()
180#define func_exit()
181#define func_enter2()
182#endif
183