summaryrefslogtreecommitdiff
path: root/drivers/isdn/hardware/eicon/divasfunc.c
blob: 0bbee7824d78790130b6ea4afdc42ebe8895d399 (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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
/* $Id: divasfunc.c,v 1.23.4.2 2004/08/28 20:03:53 armin Exp $
 *
 * Low level driver for Eicon DIVA Server ISDN cards.
 *
 * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
 * Copyright 2000-2003 Cytronics & Melware (info@melware.de)
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 */

#include "platform.h"
#include "di_defs.h"
#include "pc.h"
#include "di.h"
#include "io.h"
#include "divasync.h"
#include "diva.h"
#include "xdi_vers.h"

#define DBG_MINIMUM  (DL_LOG + DL_FTL + DL_ERR)
#define DBG_DEFAULT  (DBG_MINIMUM + DL_XLOG + DL_REG)

static int debugmask;

extern void DIVA_DIDD_Read(void *, int);

extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];

extern char *DRIVERRELEASE_DIVAS;

static dword notify_handle;
static DESCRIPTOR DAdapter;
static DESCRIPTOR MAdapter;

/* --------------------------------------------------------------------------
    MAINT driver connector section
   -------------------------------------------------------------------------- */
static void no_printf(unsigned char *x, ...)
{
	/* dummy debug function */
}

#include "debuglib.c"

/*
 * get the adapters serial number
 */
void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf)
{
	int contr = 0;

	if ((contr = ((IoAdapter->serialNo & 0xff000000) >> 24))) {
		sprintf(buf, "%d-%d",
			IoAdapter->serialNo & 0x00ffffff, contr + 1);
	} else {
		sprintf(buf, "%d", IoAdapter->serialNo);
	}
}

/*
 * register a new adapter
 */
void diva_xdi_didd_register_adapter(int card)
{
	DESCRIPTOR d;
	IDI_SYNC_REQ req;

	if (card && ((card - 1) < MAX_ADAPTER) &&
	    IoAdapters[card - 1] && Requests[card - 1]) {
		d.type = IoAdapters[card - 1]->Properties.DescType;
		d.request = Requests[card - 1];
		d.channels = IoAdapters[card - 1]->Properties.Channels;
		d.features = IoAdapters[card - 1]->Properties.Features;
		DBG_TRC(("DIDD register A(%d) channels=%d", card,
			 d.channels))
		    /* workaround for different Name in structure */
		    strlcpy(IoAdapters[card - 1]->Name,
			    IoAdapters[card - 1]->Properties.Name,
			    sizeof(IoAdapters[card - 1]->Name));
		req.didd_remove_adapter.e.Req = 0;
		req.didd_add_adapter.e.Rc = IDI_SYNC_REQ_DIDD_ADD_ADAPTER;
		req.didd_add_adapter.info.descriptor = (void *) &d;
		DAdapter.request((ENTITY *) & req);
		if (req.didd_add_adapter.e.Rc != 0xff) {
			DBG_ERR(("DIDD register A(%d) failed !", card))
		}
		IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL;
	}
}

/*
 * remove an adapter
 */
void diva_xdi_didd_remove_adapter(int card)
{
	IDI_SYNC_REQ req;
	ADAPTER *a = &IoAdapters[card - 1]->a;

	IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL;
	DBG_TRC(("DIDD de-register A(%d)", card))
	req.didd_remove_adapter.e.Req = 0;
	req.didd_remove_adapter.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER;
	req.didd_remove_adapter.info.p_request =
	    (IDI_CALL) Requests[card - 1];
	DAdapter.request((ENTITY *) & req);
	memset(&(a->IdTable), 0x00, 256);
}

/*
 * start debug
 */
static void start_dbg(void)
{
	DbgRegister("DIVAS", DRIVERRELEASE_DIVAS, (debugmask) ? debugmask : DBG_DEFAULT);
	DBG_LOG(("DIVA ISDNXDI BUILD (%s[%s])",
		 DIVA_BUILD, diva_xdi_common_code_build))
}

/*
 * stop debug
 */
static void stop_dbg(void)
{
	DbgDeregister();
	memset(&MAdapter, 0, sizeof(MAdapter));
	dprintf = no_printf;
}

/*
 * didd callback function
 */
static void *didd_callback(void *context, DESCRIPTOR * adapter,
			   int removal)
{
	if (adapter->type == IDI_DADAPTER) {
		DBG_ERR(("Notification about IDI_DADAPTER change ! Oops."));
		return (NULL);
	}

	if (adapter->type == IDI_DIMAINT) {
		if (removal) {
			stop_dbg();
		} else {
			memcpy(&MAdapter, adapter, sizeof(MAdapter));
			dprintf = (DIVA_DI_PRINTF) MAdapter.request;
			start_dbg();
		}
	}
	return (NULL);
}

/*
 * connect to didd
 */
static int DIVA_INIT_FUNCTION connect_didd(void)
{
	int x = 0;
	int dadapter = 0;
	IDI_SYNC_REQ req;
	DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS];

	DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table));

	for (x = 0; x < MAX_DESCRIPTORS; x++) {
		if (DIDD_Table[x].type == IDI_DADAPTER) {	/* DADAPTER found */
			dadapter = 1;
			memcpy(&DAdapter, &DIDD_Table[x], sizeof(DAdapter));
			req.didd_notify.e.Req = 0;
			req.didd_notify.e.Rc =
			    IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY;
			req.didd_notify.info.callback = (void *)didd_callback;
			req.didd_notify.info.context = NULL;
			DAdapter.request((ENTITY *) & req);
			if (req.didd_notify.e.Rc != 0xff) {
				stop_dbg();
				return (0);
			}
			notify_handle = req.didd_notify.info.handle;
		} else if (DIDD_Table[x].type == IDI_DIMAINT) {	/* MAINT found */
			memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter));
			dprintf = (DIVA_DI_PRINTF) MAdapter.request;
			start_dbg();
		}
	}

	if (!dadapter) {
		stop_dbg();
	}

	return (dadapter);
}

/*
 * disconnect from didd
 */
static void disconnect_didd(void)
{
	IDI_SYNC_REQ req;

	stop_dbg();

	req.didd_notify.e.Req = 0;
	req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER_NOTIFY;
	req.didd_notify.info.handle = notify_handle;
	DAdapter.request((ENTITY *) & req);
}

/*
 * init
 */
int DIVA_INIT_FUNCTION divasfunc_init(int dbgmask)
{
	char *version;

	debugmask = dbgmask;
	
	if (!connect_didd()) {
		DBG_ERR(("divasfunc: failed to connect to DIDD."))
		return (0);
	}

	version = diva_xdi_common_code_build;

	divasa_xdi_driver_entry();

	return (1);
}

/*
 * exit
 */
void divasfunc_exit(void)
{
	divasa_xdi_driver_unload();
	disconnect_didd();
}