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	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