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1da177e4 LT |
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 | ||
1da177e4 LT |
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 | unsigned int rxmarkmsk; | |
70 | struct tty_struct *tty; | |
71 | wait_queue_head_t open_wait; | |
72 | wait_queue_head_t close_wait; | |
73 | wait_queue_head_t raw_wait; | |
74 | struct work_struct tqhangup; | |
75 | asysigs_t asig; | |
76 | unsigned long addr; | |
77 | unsigned long rxoffset; | |
78 | unsigned long txoffset; | |
79 | unsigned long sigs; | |
80 | unsigned long pflag; | |
81 | unsigned int rxsize; | |
82 | unsigned int txsize; | |
83 | unsigned char reqbit; | |
84 | unsigned char portidx; | |
85 | unsigned char portbit; | |
86 | } stliport_t; | |
87 | ||
88 | /* | |
89 | * Use a structure of function pointers to do board level operations. | |
90 | * These include, enable/disable, paging shared memory, interrupting, etc. | |
91 | */ | |
92 | typedef struct stlibrd { | |
93 | unsigned long magic; | |
94 | int brdnr; | |
95 | int brdtype; | |
96 | int state; | |
97 | int nrpanels; | |
98 | int nrports; | |
99 | int nrdevs; | |
100 | unsigned int iobase; | |
101 | int iosize; | |
102 | unsigned long memaddr; | |
29756fa3 | 103 | void __iomem *membase; |
1da177e4 LT |
104 | int memsize; |
105 | int pagesize; | |
106 | int hostoffset; | |
107 | int slaveoffset; | |
108 | int bitsize; | |
109 | int enabval; | |
110 | int panels[STL_MAXPANELS]; | |
111 | int panelids[STL_MAXPANELS]; | |
112 | void (*init)(struct stlibrd *brdp); | |
113 | void (*enable)(struct stlibrd *brdp); | |
114 | void (*reenable)(struct stlibrd *brdp); | |
115 | void (*disable)(struct stlibrd *brdp); | |
29756fa3 | 116 | void __iomem *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line); |
1da177e4 LT |
117 | void (*intr)(struct stlibrd *brdp); |
118 | void (*reset)(struct stlibrd *brdp); | |
119 | stliport_t *ports[STL_MAXPORTS]; | |
120 | } stlibrd_t; | |
121 | ||
122 | ||
123 | /* | |
124 | * Define MAGIC numbers used for above structures. | |
125 | */ | |
126 | #define STLI_PORTMAGIC 0xe671c7a1 | |
127 | #define STLI_BOARDMAGIC 0x4bc6c825 | |
128 | ||
129 | /*****************************************************************************/ | |
130 | #endif |