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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ |
607ca46e DH |
2 | /* r3964 linediscipline for linux |
3 | * | |
4 | * ----------------------------------------------------------- | |
5 | * Copyright by | |
6 | * Philips Automation Projects | |
7 | * Kassel (Germany) | |
8 | * ----------------------------------------------------------- | |
9 | * This software may be used and distributed according to the terms of | |
10 | * the GNU General Public License, incorporated herein by reference. | |
11 | * | |
12 | * Author: | |
13 | * L. Haag | |
14 | * | |
15 | * $Log: r3964.h,v $ | |
16 | * Revision 1.4 2005/12/21 19:54:24 Kurt Huwig <kurt huwig de> | |
17 | * Fixed HZ usage on 2.6 kernels | |
18 | * Removed unnecessary include | |
19 | * | |
20 | * Revision 1.3 2001/03/18 13:02:24 dwmw2 | |
21 | * Fix timer usage, use spinlocks properly. | |
22 | * | |
23 | * Revision 1.2 2001/03/18 12:53:15 dwmw2 | |
24 | * Merge changes in 2.4.2 | |
25 | * | |
26 | * Revision 1.1.1.1 1998/10/13 16:43:14 dwmw2 | |
27 | * This'll screw the version control | |
28 | * | |
29 | * Revision 1.6 1998/09/30 00:40:38 dwmw2 | |
30 | * Updated to use kernel's N_R3964 if available | |
31 | * | |
32 | * Revision 1.4 1998/04/02 20:29:44 lhaag | |
33 | * select, blocking, ... | |
34 | * | |
35 | * Revision 1.3 1998/02/12 18:58:43 root | |
36 | * fixed some memory leaks | |
37 | * calculation of checksum characters | |
38 | * | |
39 | * Revision 1.2 1998/02/07 13:03:17 root | |
40 | * ioctl read_telegram | |
41 | * | |
42 | * Revision 1.1 1998/02/06 19:19:43 root | |
43 | * Initial revision | |
44 | * | |
45 | * | |
46 | */ | |
47 | ||
48 | #ifndef _UAPI__LINUX_N_R3964_H__ | |
49 | #define _UAPI__LINUX_N_R3964_H__ | |
50 | ||
51 | /* line disciplines for r3964 protocol */ | |
52 | ||
53 | ||
54 | /* | |
55 | * Ioctl-commands | |
56 | */ | |
57 | ||
58 | #define R3964_ENABLE_SIGNALS 0x5301 | |
59 | #define R3964_SETPRIORITY 0x5302 | |
60 | #define R3964_USE_BCC 0x5303 | |
61 | #define R3964_READ_TELEGRAM 0x5304 | |
62 | ||
63 | /* Options for R3964_SETPRIORITY */ | |
64 | #define R3964_MASTER 0 | |
65 | #define R3964_SLAVE 1 | |
66 | ||
67 | /* Options for R3964_ENABLE_SIGNALS */ | |
68 | #define R3964_SIG_ACK 0x0001 | |
69 | #define R3964_SIG_DATA 0x0002 | |
70 | #define R3964_SIG_ALL 0x000f | |
71 | #define R3964_SIG_NONE 0x0000 | |
72 | #define R3964_USE_SIGIO 0x1000 | |
73 | ||
74 | /* | |
75 | * r3964 operation states: | |
76 | */ | |
77 | ||
78 | /* types for msg_id: */ | |
79 | enum {R3964_MSG_ACK=1, R3964_MSG_DATA }; | |
80 | ||
81 | #define R3964_MAX_MSG_COUNT 32 | |
82 | ||
83 | /* error codes for client messages */ | |
84 | #define R3964_OK 0 /* no error. */ | |
85 | #define R3964_TX_FAIL -1 /* transmission error, block NOT sent */ | |
86 | #define R3964_OVERFLOW -2 /* msg queue overflow */ | |
87 | ||
88 | /* the client gets this struct when calling read(fd,...): */ | |
89 | struct r3964_client_message { | |
90 | int msg_id; | |
91 | int arg; | |
92 | int error_code; | |
93 | }; | |
94 | ||
95 | #define R3964_MTU 256 | |
96 | ||
97 | ||
98 | ||
99 | #endif /* _UAPI__LINUX_N_R3964_H__ */ |