1 /*****************************************************************************/
4 * istallion.h -- stallion intelligent multiport serial driver.
6 * Copyright (C) 1996-1998 Stallion Technologies
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 wait_queue_head_t open_wait;
74 wait_queue_head_t close_wait;
75 wait_queue_head_t raw_wait;
76 struct work_struct tqhangup;
79 unsigned long rxoffset;
80 unsigned long txoffset;
86 unsigned char portidx;
87 unsigned char portbit;
91 * Use a structure of function pointers to do board level operations.
92 * These include, enable/disable, paging shared memory, interrupting, etc.
94 typedef struct stlibrd {
104 unsigned long memaddr;
112 int panels[STL_MAXPANELS];
113 int panelids[STL_MAXPANELS];
114 void (*init)(struct stlibrd *brdp);
115 void (*enable)(struct stlibrd *brdp);
116 void (*reenable)(struct stlibrd *brdp);
117 void (*disable)(struct stlibrd *brdp);
118 char *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
119 void (*intr)(struct stlibrd *brdp);
120 void (*reset)(struct stlibrd *brdp);
121 stliport_t *ports[STL_MAXPORTS];
126 * Define MAGIC numbers used for above structures.
128 #define STLI_PORTMAGIC 0xe671c7a1
129 #define STLI_BOARDMAGIC 0x4bc6c825
131 /*****************************************************************************/