OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / include / linux / cyclomx.h
blobb88f7f428e58c6590b5069127895ea3f85d4685a
1 #ifndef _CYCLOMX_H
2 #define _CYCLOMX_H
3 /*
4 * cyclomx.h Cyclom 2X WAN Link Driver.
5 * User-level API definitions.
7 * Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
9 * Copyright: (c) 1998-2003 Arnaldo Carvalho de Melo
11 * Based on wanpipe.h by Gene Kozin <genek@compuserve.com>
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version
16 * 2 of the License, or (at your option) any later version.
17 * ============================================================================
18 * 2000/07/13 acme remove crap #if KERNEL_VERSION > blah
19 * 2000/01/21 acme rename cyclomx_open to cyclomx_mod_inc_use_count
20 * and cyclomx_close to cyclomx_mod_dec_use_count
21 * 1999/05/19 acme wait_queue_head_t wait_stats(support for 2.3.*)
22 * 1999/01/03 acme judicious use of data types
23 * 1998/12/27 acme cleanup: PACKED not needed
24 * 1998/08/08 acme Version 0.0.1
27 #include <linux/wanrouter.h>
28 #include <linux/spinlock.h>
30 #ifdef __KERNEL__
31 /* Kernel Interface */
33 #include <linux/cycx_drv.h> /* Cyclom 2X support module API definitions */
34 #include <linux/cycx_cfm.h> /* Cyclom 2X firmware module definitions */
35 #ifdef CONFIG_CYCLOMX_X25
36 #include <linux/cycx_x25.h>
37 #endif
39 /* Adapter Data Space.
40 * This structure is needed because we handle multiple cards, otherwise
41 * static data would do it.
43 struct cycx_device {
44 char devname[WAN_DRVNAME_SZ + 1];/* card name */
45 struct cycx_hw hw; /* hardware configuration */
46 struct wan_device wandev; /* WAN device data space */
47 u32 state_tick; /* link state timestamp */
48 spinlock_t lock;
49 char in_isr; /* interrupt-in-service flag */
50 char buff_int_mode_unbusy; /* flag for carrying out dev_tint */
51 wait_queue_head_t wait_stats; /* to wait for the STATS indication */
52 void __iomem *mbox; /* -> mailbox */
53 void (*isr)(struct cycx_device* card); /* interrupt service routine */
54 int (*exec)(struct cycx_device* card, void* u_cmd, void* u_data);
55 union {
56 #ifdef CONFIG_CYCLOMX_X25
57 struct { /* X.25 specific data */
58 u32 lo_pvc;
59 u32 hi_pvc;
60 u32 lo_svc;
61 u32 hi_svc;
62 struct cycx_x25_stats stats;
63 spinlock_t lock;
64 u32 connection_keys;
65 } x;
66 #endif
67 } u;
70 /* Public Functions */
71 void cycx_set_state(struct cycx_device *card, int state);
73 #ifdef CONFIG_CYCLOMX_X25
74 int cycx_x25_wan_init(struct cycx_device *card, wandev_conf_t *conf);
75 #endif
76 #endif /* __KERNEL__ */
77 #endif /* _CYCLOMX_H */