diff options
Diffstat (limited to 'include/uapi/linux/n_r3964.h')
| -rw-r--r-- | include/uapi/linux/n_r3964.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/uapi/linux/n_r3964.h b/include/uapi/linux/n_r3964.h new file mode 100644 index 000000000000..81337cbf40b7 --- /dev/null +++ b/include/uapi/linux/n_r3964.h | |||
| @@ -0,0 +1,98 @@ | |||
| 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__ */ | ||
