added a lot of printk output to ease writing of emulator
[linux-2.4.21-pre4.git] / include / linux / cyclomx.h
1 /*
2 * cyclomx.h     Cyclom 2X WAN Link Driver.
3 *               User-level API definitions.
4 *
5 * Author:       Arnaldo Carvalho de Melo <acme@conectiva.com.br>
6 *
7 * Copyright:    (c) 1998-2000 Arnaldo Carvalho de Melo
8 *
9 * Based on wanpipe.h by Gene Kozin <genek@compuserve.com>
10 *
11 *               This program is free software; you can redistribute it and/or
12 *               modify it under the terms of the GNU General Public License
13 *               as published by the Free Software Foundation; either version
14 *               2 of the License, or (at your option) any later version.
15 * ============================================================================
16 * 2000/07/13    acme            remove crap #if KERNEL_VERSION > blah
17 * 2000/01/21    acme            rename cyclomx_open to cyclomx_mod_inc_use_count
18 *                               and cyclomx_close to cyclomx_mod_dec_use_count
19 * 1999/05/19    acme            wait_queue_head_t wait_stats(support for 2.3.*)
20 * 1999/01/03    acme            judicious use of data types
21 * 1998/12/27    acme            cleanup: PACKED not needed
22 * 1998/08/08    acme            Version 0.0.1
23 */
24 #ifndef _CYCLOMX_H
25 #define _CYCLOMX_H
26
27 #include <linux/config.h>
28 #include <linux/wanrouter.h>
29 #include <linux/spinlock.h>
30
31 #ifdef  __KERNEL__
32 /* Kernel Interface */
33
34 #include <linux/cycx_drv.h>     /* Cyclom 2X support module API definitions */
35 #include <linux/cycx_cfm.h>     /* Cyclom 2X firmware module definitions */
36 #ifdef CONFIG_CYCLOMX_X25
37 #include <linux/cycx_x25.h>
38 #endif
39
40 #define is_digit(ch) (((ch)>=(unsigned)'0'&&(ch)<=(unsigned)'9')?1:0)
41
42 /* Adapter Data Space.
43  * This structure is needed because we handle multiple cards, otherwise
44  * static data would do it.
45  */
46 typedef struct cycx {
47         char devname[WAN_DRVNAME_SZ+1]; /* card name */
48         cycxhw_t hw;                    /* hardware configuration */
49         wan_device_t wandev;            /* WAN device data space */
50         u32 open_cnt;                   /* number of open interfaces */
51         u32 state_tick;                 /* link state timestamp */
52         spinlock_t lock;
53         char in_isr;                    /* interrupt-in-service flag */
54         char buff_int_mode_unbusy;      /* flag for carrying out dev_tint */
55         wait_queue_head_t wait_stats;  /* to wait for the STATS indication */
56         u32 mbox;                       /* -> mailbox */
57         void (*isr)(struct cycx* card); /* interrupt service routine */
58         int (*exec)(struct cycx* card, void* u_cmd, void* u_data);
59         union {
60 #ifdef CONFIG_CYCLOMX_X25
61                 struct { /* X.25 specific data */
62                         u32 lo_pvc;
63                         u32 hi_pvc;
64                         u32 lo_svc;
65                         u32 hi_svc;
66                         TX25Stats stats;
67                         spinlock_t lock;
68                         u32 connection_keys;
69                 } x;
70 #endif
71         } u;
72 } cycx_t;
73
74 /* Public Functions */
75 void cyclomx_mod_inc_use_count (cycx_t *card);          /* cycx_main.c */
76 void cyclomx_mod_dec_use_count (cycx_t *card);          /* cycx_main.c */
77 void cyclomx_set_state (cycx_t *card, int state);       /* cycx_main.c */
78
79 #ifdef CONFIG_CYCLOMX_X25
80 int cyx_init (cycx_t *card, wandev_conf_t *conf);       /* cycx_x25.c */
81 #endif
82 #endif  /* __KERNEL__ */
83 #endif  /* _CYCLOMX_H */