| /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ | |
| /* 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 _UAPI__LINUX_N_R3964_H__ | |
| #define _UAPI__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 /* _UAPI__LINUX_N_R3964_H__ */ |