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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*****************************************************************************/
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070024/*****************************************************************************/
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 */
Jiri Slaby1f8ec432006-12-08 02:39:18 -080052struct stliport {
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 unsigned long magic;
Alan Coxb02f5ad62008-07-16 21:55:53 +010054 struct tty_port port;
Jiri Slaby1328d732006-12-08 02:39:19 -080055 unsigned int portnr;
56 unsigned int panelnr;
57 unsigned int brdnr;
Linus Torvalds1da177e2005-04-16 15:20:36 -070058 unsigned long state;
Jiri Slaby1328d732006-12-08 02:39:19 -080059 unsigned int devnr;
Linus Torvalds1da177e2005-04-16 15:20:36 -070060 int baud_base;
61 int custom_divisor;
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 int closing_wait;
Linus Torvalds1da177e2005-04-16 15:20:36 -070063 int rc;
64 int argsize;
65 void *argp;
66 unsigned int rxmarkmsk;
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 wait_queue_head_t raw_wait;
Jiri Slaby1f8ec432006-12-08 02:39:18 -080068 struct asysigs asig;
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 unsigned long addr;
70 unsigned long rxoffset;
71 unsigned long txoffset;
72 unsigned long sigs;
73 unsigned long pflag;
74 unsigned int rxsize;
75 unsigned int txsize;
76 unsigned char reqbit;
77 unsigned char portidx;
78 unsigned char portbit;
Jiri Slaby1f8ec432006-12-08 02:39:18 -080079};
Linus Torvalds1da177e2005-04-16 15:20:36 -070080
81/*
82 * Use a structure of function pointers to do board level operations.
83 * These include, enable/disable, paging shared memory, interrupting, etc.
84 */
Jiri Slaby1f8ec432006-12-08 02:39:18 -080085struct stlibrd {
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 unsigned long magic;
Jiri Slaby1328d732006-12-08 02:39:19 -080087 unsigned int brdnr;
88 unsigned int brdtype;
89 unsigned int state;
90 unsigned int nrpanels;
91 unsigned int nrports;
92 unsigned int nrdevs;
Linus Torvalds1da177e2005-04-16 15:20:36 -070093 unsigned int iobase;
94 int iosize;
95 unsigned long memaddr;
Al Viro29756fa2006-10-10 22:47:27 +010096 void __iomem *membase;
Jiri Slaby1328d732006-12-08 02:39:19 -080097 unsigned long memsize;
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 int pagesize;
99 int hostoffset;
100 int slaveoffset;
101 int bitsize;
102 int enabval;
Jiri Slaby1328d732006-12-08 02:39:19 -0800103 unsigned int panels[STL_MAXPANELS];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 int panelids[STL_MAXPANELS];
105 void (*init)(struct stlibrd *brdp);
106 void (*enable)(struct stlibrd *brdp);
107 void (*reenable)(struct stlibrd *brdp);
108 void (*disable)(struct stlibrd *brdp);
Al Viro29756fa2006-10-10 22:47:27 +0100109 void __iomem *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 void (*intr)(struct stlibrd *brdp);
111 void (*reset)(struct stlibrd *brdp);
Jiri Slaby1f8ec432006-12-08 02:39:18 -0800112 struct stliport *ports[STL_MAXPORTS];
113};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114
115
116/*
117 * Define MAGIC numbers used for above structures.
118 */
119#define STLI_PORTMAGIC 0xe671c7a1
120#define STLI_BOARDMAGIC 0x4bc6c825
121
122/*****************************************************************************/
123#endif