| /* r3964 linediscipline for linux |
| * |
| * ----------------------------------------------------------- |
| * Copyright by |
| * Philips Automation Projects |
| * Kassel (Germany) |
| * ----------------------------------------------------------- |
| * This software may be used and distributed according to the terms of |
| * the GNU General Public License, incorporated herein by reference. |
| * |
| * Author: |
| * L. Haag |
| * |
| * $Log: r3964.h,v $ |
| * Revision 1.4 2005/12/21 19:54:24 Kurt Huwig <kurt huwig de> |
| * Fixed HZ usage on 2.6 kernels |
| * Removed unnecessary include |
| * |
| * Revision 1.3 2001/03/18 13:02:24 dwmw2 |
| * Fix timer usage, use spinlocks properly. |
| * |
| * Revision 1.2 2001/03/18 12:53:15 dwmw2 |
| * Merge changes in 2.4.2 |
| * |
| * Revision 1.1.1.1 1998/10/13 16:43:14 dwmw2 |
| * This'll screw the version control |
| * |
| * Revision 1.6 1998/09/30 00:40:38 dwmw2 |
| * Updated to use kernel's N_R3964 if available |
| * |
| * Revision 1.4 1998/04/02 20:29:44 lhaag |
| * select, blocking, ... |
| * |
| * Revision 1.3 1998/02/12 18:58:43 root |
| * fixed some memory leaks |
| * calculation of checksum characters |
| * |
| * Revision 1.2 1998/02/07 13:03:17 root |
| * ioctl read_telegram |
| * |
| * Revision 1.1 1998/02/06 19:19:43 root |
| * Initial revision |
| * |
| * |
| */ |
| |
| #ifndef __LINUX_N_R3964_H__ |
| #define __LINUX_N_R3964_H__ |
| |
| /* line disciplines for r3964 protocol */ |
| |
| |
| /* |
| * Ioctl-commands |
| */ |
| |
| #define R3964_ENABLE_SIGNALS 0x5301 |
| #define R3964_SETPRIORITY 0x5302 |
| #define R3964_USE_BCC 0x5303 |
| #define R3964_READ_TELEGRAM 0x5304 |
| |
| /* Options for R3964_SETPRIORITY */ |
| #define R3964_MASTER 0 |
| #define R3964_SLAVE 1 |
| |
| /* Options for R3964_ENABLE_SIGNALS */ |
| #define R3964_SIG_ACK 0x0001 |
| #define R3964_SIG_DATA 0x0002 |
| #define R3964_SIG_ALL 0x000f |
| #define R3964_SIG_NONE 0x0000 |
| #define R3964_USE_SIGIO 0x1000 |
| |
| /* |
| * r3964 operation states: |
| */ |
| |
| /* types for msg_id: */ |
| enum {R3964_MSG_ACK=1, R3964_MSG_DATA }; |
| |
| #define R3964_MAX_MSG_COUNT 32 |
| |
| /* error codes for client messages */ |
| #define R3964_OK 0 /* no error. */ |
| #define R3964_TX_FAIL -1 /* transmission error, block NOT sent */ |
| #define R3964_OVERFLOW -2 /* msg queue overflow */ |
| |
| /* the client gets this struct when calling read(fd,...): */ |
| struct r3964_client_message { |
| int msg_id; |
| int arg; |
| int error_code; |
| }; |
| |
| #define R3964_MTU 256 |
| |
| |
| |
| #endif |
