| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 1 | /* r3964 linediscipline for linux |
| 2 | * |
| 3 | * ----------------------------------------------------------- |
| 4 | * Copyright by |
| 5 | * Philips Automation Projects |
| 6 | * Kassel (Germany) |
| 7 | * ----------------------------------------------------------- |
| 8 | * This software may be used and distributed according to the terms of |
| 9 | * the GNU General Public License, incorporated herein by reference. |
| 10 | * |
| 11 | * Author: |
| 12 | * L. Haag |
| 13 | * |
| 14 | * $Log: r3964.h,v $ |
| 15 | * Revision 1.4 2005/12/21 19:54:24 Kurt Huwig <kurt huwig de> |
| 16 | * Fixed HZ usage on 2.6 kernels |
| 17 | * Removed unnecessary include |
| 18 | * |
| 19 | * Revision 1.3 2001/03/18 13:02:24 dwmw2 |
| 20 | * Fix timer usage, use spinlocks properly. |
| 21 | * |
| 22 | * Revision 1.2 2001/03/18 12:53:15 dwmw2 |
| 23 | * Merge changes in 2.4.2 |
| 24 | * |
| 25 | * Revision 1.1.1.1 1998/10/13 16:43:14 dwmw2 |
| 26 | * This'll screw the version control |
| 27 | * |
| 28 | * Revision 1.6 1998/09/30 00:40:38 dwmw2 |
| 29 | * Updated to use kernel's N_R3964 if available |
| 30 | * |
| 31 | * Revision 1.4 1998/04/02 20:29:44 lhaag |
| 32 | * select, blocking, ... |
| 33 | * |
| 34 | * Revision 1.3 1998/02/12 18:58:43 root |
| 35 | * fixed some memory leaks |
| 36 | * calculation of checksum characters |
| 37 | * |
| 38 | * Revision 1.2 1998/02/07 13:03:17 root |
| 39 | * ioctl read_telegram |
| 40 | * |
| 41 | * Revision 1.1 1998/02/06 19:19:43 root |
| 42 | * Initial revision |
| 43 | * |
| 44 | * |
| 45 | */ |
| 46 | |
| 47 | #ifndef _UAPI__LINUX_N_R3964_H__ |
| 48 | #define _UAPI__LINUX_N_R3964_H__ |
| 49 | |
| 50 | /* line disciplines for r3964 protocol */ |
| 51 | |
| 52 | |
| 53 | /* |
| 54 | * Ioctl-commands |
| 55 | */ |
| 56 | |
| 57 | #define R3964_ENABLE_SIGNALS 0x5301 |
| 58 | #define R3964_SETPRIORITY 0x5302 |
| 59 | #define R3964_USE_BCC 0x5303 |
| 60 | #define R3964_READ_TELEGRAM 0x5304 |
| 61 | |
| 62 | /* Options for R3964_SETPRIORITY */ |
| 63 | #define R3964_MASTER 0 |
| 64 | #define R3964_SLAVE 1 |
| 65 | |
| 66 | /* Options for R3964_ENABLE_SIGNALS */ |
| 67 | #define R3964_SIG_ACK 0x0001 |
| 68 | #define R3964_SIG_DATA 0x0002 |
| 69 | #define R3964_SIG_ALL 0x000f |
| 70 | #define R3964_SIG_NONE 0x0000 |
| 71 | #define R3964_USE_SIGIO 0x1000 |
| 72 | |
| 73 | /* |
| 74 | * r3964 operation states: |
| 75 | */ |
| 76 | |
| 77 | /* types for msg_id: */ |
| 78 | enum {R3964_MSG_ACK=1, R3964_MSG_DATA }; |
| 79 | |
| 80 | #define R3964_MAX_MSG_COUNT 32 |
| 81 | |
| 82 | /* error codes for client messages */ |
| 83 | #define R3964_OK 0 /* no error. */ |
| 84 | #define R3964_TX_FAIL -1 /* transmission error, block NOT sent */ |
| 85 | #define R3964_OVERFLOW -2 /* msg queue overflow */ |
| 86 | |
| 87 | /* the client gets this struct when calling read(fd,...): */ |
| 88 | struct r3964_client_message { |
| 89 | int msg_id; |
| 90 | int arg; |
| 91 | int error_code; |
| 92 | }; |
| 93 | |
| 94 | #define R3964_MTU 256 |
| 95 | |
| 96 | |
| 97 | |
| 98 | #endif /* _UAPI__LINUX_N_R3964_H__ */ |