1 /*****************************************************************************/
4 * istallion.h -- stallion intelligent multiport serial driver.
6 * Copyright (C) 1996-1998 Stallion Technologies (support@stallion.oz.au).
7 * Copyright (C) 1994-1996 Greg Ungerer.
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.
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.
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.
24 #include <linux/version.h>
26 /*****************************************************************************/
29 /*****************************************************************************/
32 * Define important driver constants here.
35 #define STL_MAXPANELS 4
36 #define STL_MAXPORTS 64
37 #define STL_MAXCHANS (STL_MAXPORTS + 1)
38 #define STL_MAXDEVS (STL_MAXBRDS * STL_MAXPORTS)
42 * Define a set of structures to hold all the board/panel/port info
43 * for our ports. These will be dynamically allocated as required at
44 * driver initialization time.
48 * Port and board structures to hold status info about each object.
49 * The board structure contains pointers to structures for each port
50 * connected to it. Panels are not distinguished here, since
51 * communication with the slave board will always be on a per port
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;
78 wait_queue_head_t open_wait;
79 wait_queue_head_t close_wait;
80 wait_queue_head_t raw_wait;
82 struct work_struct tqhangup;
85 unsigned long rxoffset;
86 unsigned long txoffset;
92 unsigned char portidx;
93 unsigned char portbit;
97 * Use a structure of function pointers to do board level operations.
98 * These include, enable/disable, paging shared memory, interrupting, etc.
100 typedef struct stlibrd {
110 unsigned long memaddr;
118 int panels[STL_MAXPANELS];
119 int panelids[STL_MAXPANELS];
120 void (*init)(struct stlibrd *brdp);
121 void (*enable)(struct stlibrd *brdp);
122 void (*reenable)(struct stlibrd *brdp);
123 void (*disable)(struct stlibrd *brdp);
124 char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
125 void (*intr)(struct stlibrd *brdp);
126 void (*reset)(struct stlibrd *brdp);
127 stliport_t *ports[STL_MAXPORTS];
132 * Define MAGIC numbers used for above structures.
134 #define STLI_PORTMAGIC 0xe671c7a1
135 #define STLI_BOARDMAGIC 0x4bc6c825
137 /*****************************************************************************/