blob: d36a4c09e25db2b5d8ee558ab2bf31664455e508 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: divasfunc.c,v 1.23.4.2 2004/08/28 20:03:53 armin Exp $
2 *
3 * Low level driver for Eicon DIVA Server ISDN cards.
4 *
5 * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
6 * Copyright 2000-2003 Cytronics & Melware (info@melware.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#include "platform.h"
13#include "di_defs.h"
14#include "pc.h"
15#include "di.h"
16#include "io.h"
17#include "divasync.h"
18#include "diva.h"
19#include "xdi_vers.h"
20
21#define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR)
22#define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG)
23
24static int debugmask;
25
26extern void DIVA_DIDD_Read(void *, int);
27
28extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
29
30extern char *DRIVERRELEASE_DIVAS;
31
32static dword notify_handle;
33static DESCRIPTOR DAdapter;
34static DESCRIPTOR MAdapter;
35
36/* --------------------------------------------------------------------------
37 MAINT driver connector section
38 -------------------------------------------------------------------------- */
39static void no_printf(unsigned char *x, ...)
40{
41 /* dummy debug function */
42}
43
44#include "debuglib.c"
45
46/*
47 * get the adapters serial number
48 */
49void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf)
50{
51 int contr = 0;
52
53 if ((contr = ((IoAdapter->serialNo & 0xff000000) >> 24))) {
54 sprintf(buf, "%d-%d",
55 IoAdapter->serialNo & 0x00ffffff, contr + 1);
56 } else {
57 sprintf(buf, "%d", IoAdapter->serialNo);
58 }
59}
60
61/*
62 * register a new adapter
63 */
64void diva_xdi_didd_register_adapter(int card)
65{
66 DESCRIPTOR d;
67 IDI_SYNC_REQ req;
68
69 if (card && ((card - 1) < MAX_ADAPTER) &&
70 IoAdapters[card - 1] && Requests[card - 1]) {
71 d.type = IoAdapters[card - 1]->Properties.DescType;
72 d.request = Requests[card - 1];
73 d.channels = IoAdapters[card - 1]->Properties.Channels;
74 d.features = IoAdapters[card - 1]->Properties.Features;
75 DBG_TRC(("DIDD register A(%d) channels=%d", card,
76 d.channels))
77 /* workaround for different Name in structure */
78 strlcpy(IoAdapters[card - 1]->Name,
79 IoAdapters[card - 1]->Properties.Name,
80 sizeof(IoAdapters[card - 1]->Name));
81 req.didd_remove_adapter.e.Req = 0;
82 req.didd_add_adapter.e.Rc = IDI_SYNC_REQ_DIDD_ADD_ADAPTER;
83 req.didd_add_adapter.info.descriptor = (void *) &d;
84 DAdapter.request((ENTITY *) & req);
85 if (req.didd_add_adapter.e.Rc != 0xff) {
86 DBG_ERR(("DIDD register A(%d) failed !", card))
87 }
88 IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL;
89 }
90}
91
92/*
93 * remove an adapter
94 */
95void diva_xdi_didd_remove_adapter(int card)
96{
97 IDI_SYNC_REQ req;
98 ADAPTER *a = &IoAdapters[card - 1]->a;
99
100 IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL;
101 DBG_TRC(("DIDD de-register A(%d)", card))
102 req.didd_remove_adapter.e.Req = 0;
103 req.didd_remove_adapter.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER;
104 req.didd_remove_adapter.info.p_request =
105 (IDI_CALL) Requests[card - 1];
106 DAdapter.request((ENTITY *) & req);
107 memset(&(a->IdTable), 0x00, 256);
108}
109
110/*
111 * start debug
112 */
113static void start_dbg(void)
114{
115 DbgRegister("DIVAS", DRIVERRELEASE_DIVAS, (debugmask) ? debugmask : DBG_DEFAULT);
116 DBG_LOG(("DIVA ISDNXDI BUILD (%s[%s]-%s-%s)",
117 DIVA_BUILD, diva_xdi_common_code_build, __DATE__,
118 __TIME__))
119}
120
121/*
122 * stop debug
123 */
124static void stop_dbg(void)
125{
126 DbgDeregister();
127 memset(&MAdapter, 0, sizeof(MAdapter));
128 dprintf = no_printf;
129}
130
131/*
132 * didd callback function
133 */
134static void *didd_callback(void *context, DESCRIPTOR * adapter,
135 int removal)
136{
137 if (adapter->type == IDI_DADAPTER) {
138 DBG_ERR(("Notification about IDI_DADAPTER change ! Oops."));
139 return (NULL);
140 }
141
142 if (adapter->type == IDI_DIMAINT) {
143 if (removal) {
144 stop_dbg();
145 } else {
146 memcpy(&MAdapter, adapter, sizeof(MAdapter));
147 dprintf = (DIVA_DI_PRINTF) MAdapter.request;
148 start_dbg();
149 }
150 }
151 return (NULL);
152}
153
154/*
155 * connect to didd
156 */
157static int DIVA_INIT_FUNCTION connect_didd(void)
158{
159 int x = 0;
160 int dadapter = 0;
161 IDI_SYNC_REQ req;
162 DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS];
163
164 DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table));
165
166 for (x = 0; x < MAX_DESCRIPTORS; x++) {
167 if (DIDD_Table[x].type == IDI_DADAPTER) { /* DADAPTER found */
168 dadapter = 1;
169 memcpy(&DAdapter, &DIDD_Table[x], sizeof(DAdapter));
170 req.didd_notify.e.Req = 0;
171 req.didd_notify.e.Rc =
172 IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY;
173 req.didd_notify.info.callback = (void *)didd_callback;
174 req.didd_notify.info.context = NULL;
175 DAdapter.request((ENTITY *) & req);
176 if (req.didd_notify.e.Rc != 0xff) {
177 stop_dbg();
178 return (0);
179 }
180 notify_handle = req.didd_notify.info.handle;
181 } else if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */
182 memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter));
183 dprintf = (DIVA_DI_PRINTF) MAdapter.request;
184 start_dbg();
185 }
186 }
187
188 if (!dadapter) {
189 stop_dbg();
190 }
191
192 return (dadapter);
193}
194
195/*
196 * disconnect from didd
197 */
Randy Dunlap7b4dc1f2007-06-08 13:46:54 -0700198static void disconnect_didd(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199{
200 IDI_SYNC_REQ req;
201
202 stop_dbg();
203
204 req.didd_notify.e.Req = 0;
205 req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER_NOTIFY;
206 req.didd_notify.info.handle = notify_handle;
207 DAdapter.request((ENTITY *) & req);
208}
209
210/*
211 * init
212 */
213int DIVA_INIT_FUNCTION divasfunc_init(int dbgmask)
214{
215 char *version;
216
217 debugmask = dbgmask;
218
219 if (!connect_didd()) {
220 DBG_ERR(("divasfunc: failed to connect to DIDD."))
221 return (0);
222 }
223
224 version = diva_xdi_common_code_build;
225
226 divasa_xdi_driver_entry();
227
228 return (1);
229}
230
231/*
232 * exit
233 */
Sam Ravnborg162dd3b2007-06-01 00:47:11 -0700234void divasfunc_exit(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235{
236 divasa_xdi_driver_unload();
237 disconnect_didd();
238}