diff options
Diffstat (limited to 'drivers/isdn/hisax/isdnhdlc.h')
-rw-r--r-- | drivers/isdn/hisax/isdnhdlc.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/drivers/isdn/hisax/isdnhdlc.h b/drivers/isdn/hisax/isdnhdlc.h deleted file mode 100644 index cf0a95a2401..00000000000 --- a/drivers/isdn/hisax/isdnhdlc.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * isdnhdlc.h -- General purpose ISDN HDLC decoder. - * - * Implementation of a HDLC decoder/encoder in software. - * Neccessary because some ISDN devices don't have HDLC - * controllers. Also included: a bit reversal table. - * - *Copyright (C) 2002 Wolfgang Mües <wolfgang@iksw-muees.de> - * 2001 Frode Isaksen <fisaksen@bewan.com> - * 2001 Kai Germaschewski <kai.germaschewski@gmx.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ISDNHDLC_H__ -#define __ISDNHDLC_H__ - -struct isdnhdlc_vars { - int bit_shift; - int hdlc_bits1; - int data_bits; - int ffbit_shift; // encoding only - int state; - int dstpos; - - unsigned short crc; - - unsigned char cbin; - unsigned char shift_reg; - unsigned char ffvalue; - - unsigned int data_received:1; // set if transferring data - unsigned int dchannel:1; // set if D channel (send idle instead of flags) - unsigned int do_adapt56:1; // set if 56K adaptation - unsigned int do_closing:1; // set if in closing phase (need to send CRC + flag -}; - - -/* - The return value from isdnhdlc_decode is - the frame length, 0 if no complete frame was decoded, - or a negative error number -*/ -#define HDLC_FRAMING_ERROR 1 -#define HDLC_CRC_ERROR 2 -#define HDLC_LENGTH_ERROR 3 - -extern void isdnhdlc_rcv_init (struct isdnhdlc_vars *hdlc, int do_adapt56); - -extern int isdnhdlc_decode (struct isdnhdlc_vars *hdlc, const unsigned char *src, int slen,int *count, - unsigned char *dst, int dsize); - -extern void isdnhdlc_out_init (struct isdnhdlc_vars *hdlc,int is_d_channel,int do_adapt56); - -extern int isdnhdlc_encode (struct isdnhdlc_vars *hdlc,const unsigned char *src,unsigned short slen,int *count, - unsigned char *dst,int dsize); - -#endif /* __ISDNHDLC_H__ */ |