File: /usr/include/linux/istallion.h
1 /*****************************************************************************/
2
3 /*
4 * istallion.h -- stallion intelligent multiport serial driver.
5 *
6 * Copyright (C) 1996-1998 Stallion Technologies (support@stallion.oz.au).
7 * Copyright (C) 1994-1996 Greg Ungerer.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24 /*****************************************************************************/
25 #ifndef _ISTALLION_H
26 #define _ISTALLION_H
27 /*****************************************************************************/
28
29 /*
30 * Define important driver constants here.
31 */
32 #define STL_MAXBRDS 4
33 #define STL_MAXPANELS 4
34 #define STL_MAXPORTS 64
35 #define STL_MAXCHANS (STL_MAXPORTS + 1)
36 #define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS)
37
38
39 /*
40 * Define a set of structures to hold all the board/panel/port info
41 * for our ports. These will be dynamically allocated as required at
42 * driver initialization time.
43 */
44
45 /*
46 * Port and board structures to hold status info about each object.
47 * The board structure contains pointers to structures for each port
48 * connected to it. Panels are not distinguished here, since
49 * communication with the slave board will always be on a per port
50 * basis.
51 */
52 typedef struct {
53 unsigned long magic;
54 int portnr;
55 int panelnr;
56 int brdnr;
57 unsigned long state;
58 int devnr;
59 int flags;
60 int baud_base;
61 int custom_divisor;
62 int close_delay;
63 int closing_wait;
64 int refcount;
65 int openwaitcnt;
66 int rc;
67 int argsize;
68 void *argp;
69 long session;
70 long pgrp;
71 unsigned int rxmarkmsk;
72 struct tty_struct *tty;
73 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0))
74 struct wait_queue *open_wait;
75 struct wait_queue *close_wait;
76 struct wait_queue *raw_wait;
77 #else
78 wait_queue_head_t open_wait;
79 wait_queue_head_t close_wait;
80 wait_queue_head_t raw_wait;
81 #endif
82 struct tq_struct tqhangup;
83 struct termios normaltermios;
84 struct termios callouttermios;
85 asysigs_t asig;
86 unsigned long addr;
87 unsigned long rxoffset;
88 unsigned long txoffset;
89 unsigned long sigs;
90 unsigned long pflag;
91 unsigned int rxsize;
92 unsigned int txsize;
93 unsigned char reqbit;
94 unsigned char portidx;
95 unsigned char portbit;
96 } stliport_t;
97
98 /*
99 * Use a structure of function pointers to do board level operations.
100 * These include, enable/disable, paging shared memory, interrupting, etc.
101 */
102 typedef struct stlibrd {
103 unsigned long magic;
104 int brdnr;
105 int brdtype;
106 int state;
107 int nrpanels;
108 int nrports;
109 int nrdevs;
110 unsigned int iobase;
111 int iosize;
112 unsigned long memaddr;
113 void *membase;
114 int memsize;
115 int pagesize;
116 int hostoffset;
117 int slaveoffset;
118 int bitsize;
119 int enabval;
120 int panels[STL_MAXPANELS];
121 int panelids[STL_MAXPANELS];
122 void (*init)(struct stlibrd *brdp);
123 void (*enable)(struct stlibrd *brdp);
124 void (*reenable)(struct stlibrd *brdp);
125 void (*disable)(struct stlibrd *brdp);
126 char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
127 void (*intr)(struct stlibrd *brdp);
128 void (*reset)(struct stlibrd *brdp);
129 stliport_t *ports[STL_MAXPORTS];
130 } stlibrd_t;
131
132
133 /*
134 * Define MAGIC numbers used for above structures.
135 */
136 #define STLI_PORTMAGIC 0xe671c7a1
137 #define STLI_BOARDMAGIC 0x4bc6c825
138
139 /*****************************************************************************/
140 #endif
141