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99 lines
2.4 KiB
99 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ |
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/* r3964 linediscipline for linux |
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* |
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* ----------------------------------------------------------- |
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* Copyright by |
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* Philips Automation Projects |
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* Kassel (Germany) |
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* ----------------------------------------------------------- |
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* This software may be used and distributed according to the terms of |
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* the GNU General Public License, incorporated herein by reference. |
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* |
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* Author: |
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* L. Haag |
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* |
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* $Log: r3964.h,v $ |
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* Revision 1.4 2005/12/21 19:54:24 Kurt Huwig <kurt huwig de> |
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* Fixed HZ usage on 2.6 kernels |
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* Removed unnecessary include |
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* |
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* Revision 1.3 2001/03/18 13:02:24 dwmw2 |
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* Fix timer usage, use spinlocks properly. |
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* |
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* Revision 1.2 2001/03/18 12:53:15 dwmw2 |
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* Merge changes in 2.4.2 |
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* |
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* Revision 1.1.1.1 1998/10/13 16:43:14 dwmw2 |
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* This'll screw the version control |
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* |
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* Revision 1.6 1998/09/30 00:40:38 dwmw2 |
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* Updated to use kernel's N_R3964 if available |
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* |
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* Revision 1.4 1998/04/02 20:29:44 lhaag |
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* select, blocking, ... |
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* |
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* Revision 1.3 1998/02/12 18:58:43 root |
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* fixed some memory leaks |
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* calculation of checksum characters |
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* |
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* Revision 1.2 1998/02/07 13:03:17 root |
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* ioctl read_telegram |
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* |
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* Revision 1.1 1998/02/06 19:19:43 root |
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* Initial revision |
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* |
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* |
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*/ |
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#ifndef _UAPI__LINUX_N_R3964_H__ |
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#define _UAPI__LINUX_N_R3964_H__ |
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/* line disciplines for r3964 protocol */ |
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/* |
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* Ioctl-commands |
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*/ |
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#define R3964_ENABLE_SIGNALS 0x5301 |
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#define R3964_SETPRIORITY 0x5302 |
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#define R3964_USE_BCC 0x5303 |
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#define R3964_READ_TELEGRAM 0x5304 |
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/* Options for R3964_SETPRIORITY */ |
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#define R3964_MASTER 0 |
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#define R3964_SLAVE 1 |
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/* Options for R3964_ENABLE_SIGNALS */ |
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#define R3964_SIG_ACK 0x0001 |
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#define R3964_SIG_DATA 0x0002 |
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#define R3964_SIG_ALL 0x000f |
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#define R3964_SIG_NONE 0x0000 |
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#define R3964_USE_SIGIO 0x1000 |
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/* |
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* r3964 operation states: |
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*/ |
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/* types for msg_id: */ |
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enum {R3964_MSG_ACK=1, R3964_MSG_DATA }; |
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#define R3964_MAX_MSG_COUNT 32 |
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/* error codes for client messages */ |
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#define R3964_OK 0 /* no error. */ |
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#define R3964_TX_FAIL -1 /* transmission error, block NOT sent */ |
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#define R3964_OVERFLOW -2 /* msg queue overflow */ |
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/* the client gets this struct when calling read(fd,...): */ |
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struct r3964_client_message { |
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int msg_id; |
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int arg; |
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int error_code; |
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}; |
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#define R3964_MTU 256 |
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#endif /* _UAPI__LINUX_N_R3964_H__ */
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