hisax_if.h

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/*
 * Interface between low level (hardware) drivers and
 * HiSax protocol stack
 *
 * Author       Kai Germaschewski
 * Copyright    2001 by Kai Germaschewski  <[email protected]>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#ifndef __HISAX_IF_H__
#define __HISAX_IF_H__

#include <linux/skbuff.h>

#define REQUEST     0
#define CONFIRM     1
#define INDICATION  2
#define RESPONSE    3

#define PH_ACTIVATE 0x0100
#define PH_DEACTIVATE   0x0110
#define PH_DATA     0x0120
#define PH_PULL     0x0130
#define PH_DATA_E   0x0140

#define L1_MODE_NULL    0
#define L1_MODE_TRANS   1
#define L1_MODE_HDLC    2
#define L1_MODE_EXTRN   3
#define L1_MODE_HDLC_56K 4
#define L1_MODE_MODEM   7
#define L1_MODE_V32 8
#define L1_MODE_FAX 9

struct hisax_if {
    void *priv; // private to driver
    void (*l1l2)(struct hisax_if *, int pr, void *arg);
    void (*l2l1)(struct hisax_if *, int pr, void *arg);
};

struct hisax_b_if {
    struct hisax_if ifc;

    // private to hisax
    struct BCState *bcs;
};

struct hisax_d_if {
    struct hisax_if ifc;

    // private to hisax
    struct module *owner;
    struct IsdnCardState *cs;
    struct hisax_b_if *b_if[2];
    struct sk_buff_head erq;
    unsigned long ph_state;
};

int hisax_register(struct hisax_d_if *hisax_if, struct hisax_b_if *b_if[],
           char *name, int protocol);
void hisax_unregister(struct hisax_d_if *hisax_if);

#endif