aboutsummaryrefslogtreecommitdiff
path: root/include/linux/mISDNhw.h
blob: d0752eca9b4495011f6f82b20ba4e487b06ad6da (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
/*
 *
 * Author	Karsten Keil <kkeil@novell.com>
 *
 *   Basic declarations for the mISDN HW channels
 *
 * Copyright 2008  by Karsten Keil <kkeil@novell.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * 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.
 *
 */

#ifndef MISDNHW_H
#define MISDNHW_H
#include <linux/mISDNif.h>
#include <linux/timer.h>

/*
 * HW DEBUG 0xHHHHGGGG
 * H - hardware driver specific bits
 * G - for all drivers
 */

#define DEBUG_HW		0x00000001
#define DEBUG_HW_OPEN		0x00000002
#define DEBUG_HW_DCHANNEL	0x00000100
#define DEBUG_HW_DFIFO		0x00000200
#define DEBUG_HW_BCHANNEL	0x00001000
#define DEBUG_HW_BFIFO		0x00002000

#define MAX_DFRAME_LEN_L1	300
#define MAX_MON_FRAME		32
#define MAX_LOG_SPACE		2048
#define MISDN_COPY_SIZE		32

/* channel->Flags bit field */
#define FLG_TX_BUSY		0	/* tx_buf in use */
#define FLG_TX_NEXT		1	/* next_skb in use */
#define FLG_L1_BUSY		2	/* L1 is permanent busy */
#define FLG_L2_ACTIVATED	3	/* activated from L2 */
#define FLG_OPEN		5	/* channel is in use */
#define FLG_ACTIVE		6	/* channel is activated */
#define FLG_BUSY_TIMER		7
/* channel type */
#define FLG_DCHANNEL		8	/* channel is D-channel */
#define FLG_BCHANNEL		9	/* channel is B-channel */
#define FLG_ECHANNEL		10	/* channel is E-channel */
#define FLG_TRANSPARENT		12	/* channel use transparent data */
#define FLG_HDLC		13	/* channel use hdlc data */
#define FLG_L2DATA		14	/* channel use L2 DATA primitivs */
#define FLG_ORIGIN		15	/* channel is on origin site */
/* channel specific stuff */
#define FLG_FILLEMPTY		16	/* fill fifo on first frame (empty) */
/* arcofi specific */
#define FLG_ARCOFI_TIMER	17
#define FLG_ARCOFI_ERROR	18
/* isar specific */
#define FLG_INITIALIZED		17
#define FLG_DLEETX		18
#define FLG_LASTDLE		19
#define FLG_FIRST		20
#define FLG_LASTDATA		21
#define FLG_NMD_DATA		22
#define FLG_FTI_RUN		23
#define FLG_LL_OK		24
#define FLG_LL_CONN		25
#define FLG_DTMFSEND		26
#define FLG_TX_EMPTY		27
/* stop sending received data upstream */
#define FLG_RX_OFF		28
/* workq events */
#define FLG_RECVQUEUE		30
#define	FLG_PHCHANGE		31

#define schedule_event(s, ev)	do { \
					test_and_set_bit(ev, &((s)->Flags)); \
					schedule_work(&((s)->workq)); \
				} while (0)

struct dchannel {
	struct mISDNdevice	dev;
	u_long			Flags;
	struct work_struct	workq;
	void			(*phfunc) (struct dchannel *);
	u_int			state;
	void			*l1;
	void			*hw;
	int			slot;	/* multiport card channel slot */
	struct timer_list	timer;
	/* receive data */
	struct sk_buff		*rx_skb;
	int			maxlen;
	/* send data */
	struct sk_buff_head	squeue;
	struct sk_buff_head	rqueue;
	struct sk_buff		*tx_skb;
	int			tx_idx;
	int			debug;
	/* statistics */
	int			err_crc;
	int			err_tx;
	int			err_rx;
};

typedef int	(dchannel_l1callback)(struct dchannel *, u_int);
extern int	create_l1(struct dchannel *, dchannel_l1callback *);

/* private L1 commands */
#define INFO0		0x8002
#define INFO1		0x8102
#define INFO2		0x8202
#define INFO3_P8	0x8302
#define INFO3_P10	0x8402
#define INFO4_P8	0x8502
#define INFO4_P10	0x8602
#define LOSTFRAMING	0x8702
#define ANYSIGNAL	0x8802
#define HW_POWERDOWN	0x8902
#define HW_RESET_REQ	0x8a02
#define HW_POWERUP_REQ	0x8b02
#define HW_DEACT_REQ	0x8c02
#define HW_ACTIVATE_REQ	0x8e02
#define HW_D_NOBLOCKED  0x8f02
#define HW_RESET_IND	0x9002
#define HW_POWERUP_IND	0x9102
#define HW_DEACT_IND	0x9202
#define HW_ACTIVATE_IND	0x9302
#define HW_DEACT_CNF	0x9402
#define HW_TESTLOOP	0x9502
#define HW_TESTRX_RAW	0x9602
#define HW_TESTRX_HDLC	0x9702
#define HW_TESTRX_OFF	0x9802
#define HW_TIMER3_IND	0x9902
#define HW_TIMER3_VALUE	0x9a00
#define HW_TIMER3_VMASK	0x00FF

struct layer1;
extern int	l1_event(struct layer1 *, u_int);

#define MISDN_BCH_FILL_SIZE	4

struct bchannel {
	struct mISDNchannel	ch;
	int			nr;
	u_long			Flags;
	struct work_struct	workq;
	u_int			state;
	void			*hw;
	int			slot;	/* multiport card channel slot */
	struct timer_list	timer;
	/* receive data */
	u8			fill[MISDN_BCH_FILL_SIZE];
	struct sk_buff		*rx_skb;
	unsigned short		maxlen;
	unsigned short		init_maxlen; /* initial value */
	unsigned short		next_maxlen; /* pending value */
	unsigned short		minlen; /* for transparent data */
	unsigned short		init_minlen; /* initial value */
	unsigned short		next_minlen; /* pending value */
	/* send data */
	struct sk_buff		*next_skb;
	struct sk_buff		*tx_skb;
	struct sk_buff_head	rqueue;
	int			rcount;
	int			tx_idx;
	int			debug;
	/* statistics */
	int			err_crc;
	int			err_tx;
	int			err_rx;
	int			dropcnt;
};

extern int	mISDN_initdchannel(struct dchannel *, int, void *);
extern int	mISDN_initbchannel(struct bchannel *, unsigned short,
				   unsigned short);
extern int	mISDN_freedchannel(struct dchannel *);
extern void	mISDN_clear_bchannel(struct bchannel *);
extern int	mISDN_freebchannel(struct bchannel *);
extern int	mISDN_ctrl_bchannel(struct bchannel *, struct mISDN_ctrl_req *);
extern void	queue_ch_frame(struct mISDNchannel *, u_int,
			int, struct sk_buff *);
extern int	dchannel_senddata(struct dchannel *, struct sk_buff *);
extern int	bchannel_senddata(struct bchannel *, struct sk_buff *);
extern int      bchannel_get_rxbuf(struct bchannel *, int);
extern void	recv_Dchannel(struct dchannel *);
extern void	recv_Echannel(struct dchannel *, struct dchannel *);
extern void	recv_Bchannel(struct bchannel *, unsigned int, bool);
extern void	recv_Dchannel_skb(struct dchannel *, struct sk_buff *);
extern void	recv_Bchannel_skb(struct bchannel *, struct sk_buff *);
extern int	get_next_bframe(struct bchannel *);
extern int	get_next_dframe(struct dchannel *);

#endif