LXR linux/drivers/isdn/hisax/hisax

   1/*
   2 * Interface between low level (hardware) drivers and 
   3 * HiSax protocol stack
   4 *
   5 * Author       Kai Germaschewski
   6 * Copyright    2001 by Kai Germaschewski  <kai.germaschewski@gmx.de>
   7 * 
   8 * This software may be used and distributed according to the terms
   9 * of the GNU General Public License, incorporated herein by reference.
  10 *
  11 */
  12
  13#ifndef __HISAX_IF_H__
  14#define __HISAX_IF_H__
  15
  16#include <linux/skbuff.h>
  17
  18#define REQUEST         0
  19#define CONFIRM         1
  20#define INDICATION      2
  21#define RESPONSE        3
  22
  23#define PH_ACTIVATE     0x0100
  24#define PH_DEACTIVATE   0x0110
  25#define PH_DATA         0x0120
  26#define PH_PULL         0x0130
  27#define PH_DATA_E       0x0140
  28
  29#define L1_MODE_NULL    0
  30#define L1_MODE_TRANS   1
  31#define L1_MODE_HDLC    2
  32#define L1_MODE_EXTRN   3
  33#define L1_MODE_HDLC_56K 4
  34#define L1_MODE_MODEM   7
  35#define L1_MODE_V32     8
  36#define L1_MODE_FAX     9
  37
  38struct hisax_if {
  39        void *priv; // private to driver
  40        void (*l1l2)(struct hisax_if *, int pr, void *arg);
  41        void (*l2l1)(struct hisax_if *, int pr, void *arg);
  42};
  43
  44struct hisax_b_if {
  45        struct hisax_if ifc;
  46
  47        // private to hisax
  48        struct BCState *bcs;
  49};
  50
  51struct hisax_d_if {
  52        struct hisax_if ifc;
  53
  54        // private to hisax
  55        struct module *owner;
  56        struct IsdnCardState *cs;
  57        struct hisax_b_if *b_if[2];
  58        struct sk_buff_head erq;
  59        unsigned long ph_state;
  60};
  61
  62int hisax_register(struct hisax_d_if *hisax_if, struct hisax_b_if *b_if[],
  63                   char *name, int protocol);
  64void hisax_unregister(struct hisax_d_if *hisax_if);
  65
  66#endif
  67