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1/*****************************************************************************/
2
3/*
4 * istallion.h -- stallion intelligent multiport serial driver.
5 *
6 * Copyright (C) 1996-1998 Stallion Technologies
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 */
52struct stliport {
53 unsigned long magic;
54 struct tty_port port;
55 unsigned int portnr;
56 unsigned int panelnr;
57 unsigned int brdnr;
58 unsigned long state;
59 unsigned int devnr;
60 int baud_base;
61 int custom_divisor;
62 int close_delay;
63 int closing_wait;
64 int openwaitcnt;
65 int rc;
66 int argsize;
67 void *argp;
68 unsigned int rxmarkmsk;
69 wait_queue_head_t raw_wait;
70 struct asysigs asig;
71 unsigned long addr;
72 unsigned long rxoffset;
73 unsigned long txoffset;
74 unsigned long sigs;
75 unsigned long pflag;
76 unsigned int rxsize;
77 unsigned int txsize;
78 unsigned char reqbit;
79 unsigned char portidx;
80 unsigned char portbit;
81};
82
83/*
84 * Use a structure of function pointers to do board level operations.
85 * These include, enable/disable, paging shared memory, interrupting, etc.
86 */
87struct stlibrd {
88 unsigned long magic;
89 unsigned int brdnr;
90 unsigned int brdtype;
91 unsigned int state;
92 unsigned int nrpanels;
93 unsigned int nrports;
94 unsigned int nrdevs;
95 unsigned int iobase;
96 int iosize;
97 unsigned long memaddr;
98 void __iomem *membase;
99 unsigned long memsize;
100 int pagesize;
101 int hostoffset;
102 int slaveoffset;
103 int bitsize;
104 int enabval;
105 unsigned int panels[STL_MAXPANELS];
106 int panelids[STL_MAXPANELS];
107 void (*init)(struct stlibrd *brdp);
108 void (*enable)(struct stlibrd *brdp);
109 void (*reenable)(struct stlibrd *brdp);
110 void (*disable)(struct stlibrd *brdp);
111 void __iomem *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
112 void (*intr)(struct stlibrd *brdp);
113 void (*reset)(struct stlibrd *brdp);
114 struct stliport *ports[STL_MAXPORTS];
115};
116
117
118/*
119 * Define MAGIC numbers used for above structures.
120 */
121#define STLI_PORTMAGIC 0xe671c7a1
122#define STLI_BOARDMAGIC 0x4bc6c825
123
124/*****************************************************************************/
125#endif