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 0000000..81337cb --- /dev/null +++ b/include/uapi/linux/n_r3964.h @@ -0,0 +1,98 @@ +/* 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__ */ |
