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1 | /* |
2 | * Stuff used by all variants of the driver | |
3 | * | |
4 | * Copyright (c) 2001 by Stefan Eilers <Eilers.Stefan@epost.de>, | |
5 | * Hansjoerg Lipp <hjlipp@web.de>, | |
6 | * Tilman Schmidt <tilman@imap.cc>. | |
7 | * | |
8 | * ===================================================================== | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation; either version 2 of | |
12 | * the License, or (at your option) any later version. | |
13 | * ===================================================================== | |
14 | * ToDo: ... | |
15 | * ===================================================================== | |
16 | * Version: $Id: ev-layer.c,v 1.4.2.18 2006/02/04 18:28:16 hjlipp Exp $ | |
17 | * ===================================================================== | |
18 | */ | |
19 | ||
20 | #include "gigaset.h" | |
21 | ||
22 | /* ========================================================== */ | |
23 | /* bit masks for pending commands */ | |
24 | #define PC_INIT 0x004 | |
25 | #define PC_DLE0 0x008 | |
26 | #define PC_DLE1 0x010 | |
27 | #define PC_CID 0x080 | |
28 | #define PC_NOCID 0x100 | |
29 | #define PC_HUP 0x002 | |
30 | #define PC_DIAL 0x001 | |
31 | #define PC_ACCEPT 0x040 | |
32 | #define PC_SHUTDOWN 0x020 | |
33 | #define PC_CIDMODE 0x200 | |
34 | #define PC_UMMODE 0x400 | |
35 | ||
36 | /* types of modem responses */ | |
37 | #define RT_NOTHING 0 | |
38 | #define RT_ZSAU 1 | |
39 | #define RT_RING 2 | |
40 | #define RT_NUMBER 3 | |
41 | #define RT_STRING 4 | |
42 | #define RT_HEX 5 | |
43 | #define RT_ZCAU 6 | |
44 | ||
45 | /* Possible ASCII responses */ | |
46 | #define RSP_OK 0 | |
47 | //#define RSP_BUSY 1 | |
48 | //#define RSP_CONNECT 2 | |
49 | #define RSP_ZGCI 3 | |
50 | #define RSP_RING 4 | |
51 | #define RSP_ZAOC 5 | |
52 | #define RSP_ZCSTR 6 | |
53 | #define RSP_ZCFGT 7 | |
54 | #define RSP_ZCFG 8 | |
55 | #define RSP_ZCCR 9 | |
56 | #define RSP_EMPTY 10 | |
57 | #define RSP_ZLOG 11 | |
58 | #define RSP_ZCAU 12 | |
59 | #define RSP_ZMWI 13 | |
60 | #define RSP_ZABINFO 14 | |
61 | #define RSP_ZSMLSTCHG 15 | |
62 | #define RSP_VAR 100 | |
63 | #define RSP_ZSAU (RSP_VAR + VAR_ZSAU) | |
64 | #define RSP_ZDLE (RSP_VAR + VAR_ZDLE) | |
65 | #define RSP_ZVLS (RSP_VAR + VAR_ZVLS) | |
66 | #define RSP_ZCTP (RSP_VAR + VAR_ZCTP) | |
67 | #define RSP_STR (RSP_VAR + VAR_NUM) | |
68 | #define RSP_NMBR (RSP_STR + STR_NMBR) | |
69 | #define RSP_ZCPN (RSP_STR + STR_ZCPN) | |
70 | #define RSP_ZCON (RSP_STR + STR_ZCON) | |
71 | #define RSP_ZBC (RSP_STR + STR_ZBC) | |
72 | #define RSP_ZHLC (RSP_STR + STR_ZHLC) | |
73 | #define RSP_ERROR -1 /* ERROR */ | |
74 | #define RSP_WRONG_CID -2 /* unknown cid in cmd */ | |
75 | //#define RSP_EMPTY -3 | |
76 | #define RSP_UNKNOWN -4 /* unknown response */ | |
77 | #define RSP_FAIL -5 /* internal error */ | |
78 | #define RSP_INVAL -6 /* invalid response */ | |
79 | ||
80 | #define RSP_NONE -19 | |
81 | #define RSP_STRING -20 | |
82 | #define RSP_NULL -21 | |
83 | //#define RSP_RETRYFAIL -22 | |
84 | //#define RSP_RETRY -23 | |
85 | //#define RSP_SKIP -24 | |
86 | #define RSP_INIT -27 | |
87 | #define RSP_ANY -26 | |
88 | #define RSP_LAST -28 | |
89 | #define RSP_NODEV -9 | |
90 | ||
91 | /* actions for process_response */ | |
92 | #define ACT_NOTHING 0 | |
93 | #define ACT_SETDLE1 1 | |
94 | #define ACT_SETDLE0 2 | |
95 | #define ACT_FAILINIT 3 | |
96 | #define ACT_HUPMODEM 4 | |
97 | #define ACT_CONFIGMODE 5 | |
98 | #define ACT_INIT 6 | |
99 | #define ACT_DLE0 7 | |
100 | #define ACT_DLE1 8 | |
101 | #define ACT_FAILDLE0 9 | |
102 | #define ACT_FAILDLE1 10 | |
103 | #define ACT_RING 11 | |
104 | #define ACT_CID 12 | |
105 | #define ACT_FAILCID 13 | |
106 | #define ACT_SDOWN 14 | |
107 | #define ACT_FAILSDOWN 15 | |
108 | #define ACT_DEBUG 16 | |
109 | #define ACT_WARN 17 | |
110 | #define ACT_DIALING 18 | |
111 | #define ACT_ABORTDIAL 19 | |
112 | #define ACT_DISCONNECT 20 | |
113 | #define ACT_CONNECT 21 | |
114 | #define ACT_REMOTEREJECT 22 | |
115 | #define ACT_CONNTIMEOUT 23 | |
116 | #define ACT_REMOTEHUP 24 | |
117 | #define ACT_ABORTHUP 25 | |
118 | #define ACT_ICALL 26 | |
119 | #define ACT_ACCEPTED 27 | |
120 | #define ACT_ABORTACCEPT 28 | |
121 | #define ACT_TIMEOUT 29 | |
122 | #define ACT_GETSTRING 30 | |
123 | #define ACT_SETVER 31 | |
124 | #define ACT_FAILVER 32 | |
125 | #define ACT_GOTVER 33 | |
126 | #define ACT_TEST 34 | |
127 | #define ACT_ERROR 35 | |
128 | #define ACT_ABORTCID 36 | |
129 | #define ACT_ZCAU 37 | |
130 | #define ACT_NOTIFY_BC_DOWN 38 | |
131 | #define ACT_NOTIFY_BC_UP 39 | |
132 | #define ACT_DIAL 40 | |
133 | #define ACT_ACCEPT 41 | |
134 | #define ACT_PROTO_L2 42 | |
135 | #define ACT_HUP 43 | |
136 | #define ACT_IF_LOCK 44 | |
137 | #define ACT_START 45 | |
138 | #define ACT_STOP 46 | |
139 | #define ACT_FAKEDLE0 47 | |
140 | #define ACT_FAKEHUP 48 | |
141 | #define ACT_FAKESDOWN 49 | |
142 | #define ACT_SHUTDOWN 50 | |
143 | #define ACT_PROC_CIDMODE 51 | |
144 | #define ACT_UMODESET 52 | |
145 | #define ACT_FAILUMODE 53 | |
146 | #define ACT_CMODESET 54 | |
147 | #define ACT_FAILCMODE 55 | |
148 | #define ACT_IF_VER 56 | |
149 | #define ACT_CMD 100 | |
150 | ||
151 | /* at command sequences */ | |
152 | #define SEQ_NONE 0 | |
153 | #define SEQ_INIT 100 | |
154 | #define SEQ_DLE0 200 | |
155 | #define SEQ_DLE1 250 | |
156 | #define SEQ_CID 300 | |
157 | #define SEQ_NOCID 350 | |
158 | #define SEQ_HUP 400 | |
159 | #define SEQ_DIAL 600 | |
160 | #define SEQ_ACCEPT 720 | |
161 | #define SEQ_SHUTDOWN 500 | |
162 | #define SEQ_CIDMODE 10 | |
163 | #define SEQ_UMMODE 11 | |
164 | ||
165 | ||
166 | // 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), 400: hup, 500: reset, 600: dial, 700: ring | |
167 | struct reply_t gigaset_tab_nocid_m10x[]= /* with dle mode */ | |
168 | { | |
169 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */ | |
170 | ||
171 | /* initialize device, set cid mode if possible */ | |
172 | //{RSP_INIT, -1, -1,100, 900, 0, {ACT_TEST}}, | |
173 | //{RSP_ERROR, 900,900, -1, 0, 0, {ACT_FAILINIT}}, | |
174 | //{RSP_OK, 900,900, -1, 100, INIT_TIMEOUT, | |
175 | // {ACT_TIMEOUT}}, | |
176 | ||
177 | {RSP_INIT, -1, -1,SEQ_INIT, 100, INIT_TIMEOUT, | |
178 | {ACT_TIMEOUT}}, /* wait until device is ready */ | |
179 | ||
180 | {EV_TIMEOUT, 100,100, -1, 101, 3, {0}, "Z\r"}, /* device in transparent mode? try to initialize it. */ | |
181 | {RSP_OK, 101,103, -1, 120, 5, {ACT_GETSTRING}, "+GMR\r"}, /* get version */ | |
182 | ||
183 | {EV_TIMEOUT, 101,101, -1, 102, 5, {0}, "Z\r"}, /* timeout => try once again. */ | |
184 | {RSP_ERROR, 101,101, -1, 102, 5, {0}, "Z\r"}, /* error => try once again. */ | |
185 | ||
186 | {EV_TIMEOUT, 102,102, -1, 108, 5, {ACT_SETDLE1}, "^SDLE=0\r"}, /* timeout => try again in DLE mode. */ | |
187 | {RSP_OK, 108,108, -1, 104,-1}, | |
188 | {RSP_ZDLE, 104,104, 0, 103, 5, {0}, "Z\r"}, | |
189 | {EV_TIMEOUT, 104,104, -1, 0, 0, {ACT_FAILINIT}}, | |
190 | {RSP_ERROR, 108,108, -1, 0, 0, {ACT_FAILINIT}}, | |
191 | ||
192 | {EV_TIMEOUT, 108,108, -1, 105, 2, {ACT_SETDLE0, | |
193 | ACT_HUPMODEM, | |
194 | ACT_TIMEOUT}}, /* still timeout => connection in unimodem mode? */ | |
195 | {EV_TIMEOUT, 105,105, -1, 103, 5, {0}, "Z\r"}, | |
196 | ||
197 | {RSP_ERROR, 102,102, -1, 107, 5, {0}, "^GETPRE\r"}, /* ERROR on ATZ => maybe in config mode? */ | |
198 | {RSP_OK, 107,107, -1, 0, 0, {ACT_CONFIGMODE}}, | |
199 | {RSP_ERROR, 107,107, -1, 0, 0, {ACT_FAILINIT}}, | |
200 | {EV_TIMEOUT, 107,107, -1, 0, 0, {ACT_FAILINIT}}, | |
201 | ||
202 | {RSP_ERROR, 103,103, -1, 0, 0, {ACT_FAILINIT}}, | |
203 | {EV_TIMEOUT, 103,103, -1, 0, 0, {ACT_FAILINIT}}, | |
204 | ||
205 | {RSP_STRING, 120,120, -1, 121,-1, {ACT_SETVER}}, | |
206 | ||
207 | {EV_TIMEOUT, 120,121, -1, 0, 0, {ACT_FAILVER, ACT_INIT}}, | |
208 | {RSP_ERROR, 120,121, -1, 0, 0, {ACT_FAILVER, ACT_INIT}}, | |
209 | {RSP_OK, 121,121, -1, 0, 0, {ACT_GOTVER, ACT_INIT}}, | |
210 | #if 0 | |
211 | {EV_TIMEOUT, 120,121, -1, 130, 5, {ACT_FAILVER}, "^SGCI=1\r"}, | |
212 | {RSP_ERROR, 120,121, -1, 130, 5, {ACT_FAILVER}, "^SGCI=1\r"}, | |
213 | {RSP_OK, 121,121, -1, 130, 5, {ACT_GOTVER}, "^SGCI=1\r"}, | |
214 | ||
215 | {RSP_OK, 130,130, -1, 0, 0, {ACT_INIT}}, | |
216 | {RSP_ERROR, 130,130, -1, 0, 0, {ACT_FAILINIT}}, | |
217 | {EV_TIMEOUT, 130,130, -1, 0, 0, {ACT_FAILINIT}}, | |
218 | #endif | |
219 | ||
220 | /* leave dle mode */ | |
221 | {RSP_INIT, 0, 0,SEQ_DLE0, 201, 5, {0}, "^SDLE=0\r"}, | |
222 | {RSP_OK, 201,201, -1, 202,-1}, | |
223 | //{RSP_ZDLE, 202,202, 0, 202, 0, {ACT_ERROR}},//DELETE | |
224 | {RSP_ZDLE, 202,202, 0, 0, 0, {ACT_DLE0}}, | |
225 | {RSP_NODEV, 200,249, -1, 0, 0, {ACT_FAKEDLE0}}, | |
226 | {RSP_ERROR, 200,249, -1, 0, 0, {ACT_FAILDLE0}}, | |
227 | {EV_TIMEOUT, 200,249, -1, 0, 0, {ACT_FAILDLE0}}, | |
228 | ||
229 | /* enter dle mode */ | |
230 | {RSP_INIT, 0, 0,SEQ_DLE1, 251, 5, {0}, "^SDLE=1\r"}, | |
231 | {RSP_OK, 251,251, -1, 252,-1}, | |
232 | {RSP_ZDLE, 252,252, 1, 0, 0, {ACT_DLE1}}, | |
233 | {RSP_ERROR, 250,299, -1, 0, 0, {ACT_FAILDLE1}}, | |
234 | {EV_TIMEOUT, 250,299, -1, 0, 0, {ACT_FAILDLE1}}, | |
235 | ||
236 | /* incoming call */ | |
237 | {RSP_RING, -1, -1, -1, -1,-1, {ACT_RING}}, | |
238 | ||
239 | /* get cid */ | |
240 | //{RSP_INIT, 0, 0,300, 901, 0, {ACT_TEST}}, | |
241 | //{RSP_ERROR, 901,901, -1, 0, 0, {ACT_FAILCID}}, | |
242 | //{RSP_OK, 901,901, -1, 301, 5, {0}, "^SGCI?\r"}, | |
243 | ||
244 | {RSP_INIT, 0, 0,SEQ_CID, 301, 5, {0}, "^SGCI?\r"}, | |
245 | {RSP_OK, 301,301, -1, 302,-1}, | |
246 | {RSP_ZGCI, 302,302, -1, 0, 0, {ACT_CID}}, | |
247 | {RSP_ERROR, 301,349, -1, 0, 0, {ACT_FAILCID}}, | |
248 | {EV_TIMEOUT, 301,349, -1, 0, 0, {ACT_FAILCID}}, | |
249 | ||
250 | /* enter cid mode */ | |
251 | {RSP_INIT, 0, 0,SEQ_CIDMODE, 150, 5, {0}, "^SGCI=1\r"}, | |
252 | {RSP_OK, 150,150, -1, 0, 0, {ACT_CMODESET}}, | |
253 | {RSP_ERROR, 150,150, -1, 0, 0, {ACT_FAILCMODE}}, | |
254 | {EV_TIMEOUT, 150,150, -1, 0, 0, {ACT_FAILCMODE}}, | |
255 | ||
256 | /* leave cid mode */ | |
257 | //{RSP_INIT, 0, 0,SEQ_UMMODE, 160, 5, {0}, "^SGCI=0\r"}, | |
258 | {RSP_INIT, 0, 0,SEQ_UMMODE, 160, 5, {0}, "Z\r"}, | |
259 | {RSP_OK, 160,160, -1, 0, 0, {ACT_UMODESET}}, | |
260 | {RSP_ERROR, 160,160, -1, 0, 0, {ACT_FAILUMODE}}, | |
261 | {EV_TIMEOUT, 160,160, -1, 0, 0, {ACT_FAILUMODE}}, | |
262 | ||
263 | /* abort getting cid */ | |
264 | {RSP_INIT, 0, 0,SEQ_NOCID, 0, 0, {ACT_ABORTCID}}, | |
265 | ||
266 | /* reset */ | |
267 | #if 0 | |
268 | {RSP_INIT, 0, 0,SEQ_SHUTDOWN, 503, 5, {0}, "^SGCI=0\r"}, | |
269 | {RSP_OK, 503,503, -1, 504, 5, {0}, "Z\r"}, | |
270 | #endif | |
271 | {RSP_INIT, 0, 0,SEQ_SHUTDOWN, 504, 5, {0}, "Z\r"}, | |
272 | {RSP_OK, 504,504, -1, 0, 0, {ACT_SDOWN}}, | |
273 | {RSP_ERROR, 501,599, -1, 0, 0, {ACT_FAILSDOWN}}, | |
274 | {EV_TIMEOUT, 501,599, -1, 0, 0, {ACT_FAILSDOWN}}, | |
275 | {RSP_NODEV, 501,599, -1, 0, 0, {ACT_FAKESDOWN}}, | |
276 | ||
277 | {EV_PROC_CIDMODE,-1, -1, -1, -1,-1, {ACT_PROC_CIDMODE}}, //FIXME | |
278 | {EV_IF_LOCK, -1, -1, -1, -1,-1, {ACT_IF_LOCK}}, //FIXME | |
279 | {EV_IF_VER, -1, -1, -1, -1,-1, {ACT_IF_VER}}, //FIXME | |
280 | {EV_START, -1, -1, -1, -1,-1, {ACT_START}}, //FIXME | |
281 | {EV_STOP, -1, -1, -1, -1,-1, {ACT_STOP}}, //FIXME | |
282 | {EV_SHUTDOWN, -1, -1, -1, -1,-1, {ACT_SHUTDOWN}}, //FIXME | |
283 | ||
284 | /* misc. */ | |
285 | {RSP_EMPTY, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
286 | {RSP_ZCFGT, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
287 | {RSP_ZCFG, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
288 | {RSP_ZLOG, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
289 | {RSP_ZMWI, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
290 | {RSP_ZABINFO, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
291 | {RSP_ZSMLSTCHG,-1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
292 | ||
293 | {RSP_ZCAU, -1, -1, -1, -1,-1, {ACT_ZCAU}}, | |
294 | {RSP_NONE, -1, -1, -1, -1,-1, {ACT_DEBUG}}, | |
295 | {RSP_ANY, -1, -1, -1, -1,-1, {ACT_WARN}}, | |
296 | {RSP_LAST} | |
297 | }; | |
298 | ||
299 | // 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, 400: hup, 750: accepted icall | |
300 | struct reply_t gigaset_tab_cid_m10x[] = /* for M10x */ | |
301 | { | |
302 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */ | |
303 | ||
304 | /* dial */ | |
305 | {EV_DIAL, -1, -1, -1, -1,-1, {ACT_DIAL}}, //FIXME | |
306 | {RSP_INIT, 0, 0,SEQ_DIAL, 601, 5, {ACT_CMD+AT_BC}}, | |
307 | {RSP_OK, 601,601, -1, 602, 5, {ACT_CMD+AT_HLC}}, | |
308 | {RSP_NULL, 602,602, -1, 603, 5, {ACT_CMD+AT_PROTO}}, | |
309 | {RSP_OK, 602,602, -1, 603, 5, {ACT_CMD+AT_PROTO}}, | |
310 | {RSP_OK, 603,603, -1, 604, 5, {ACT_CMD+AT_TYPE}}, | |
311 | {RSP_OK, 604,604, -1, 605, 5, {ACT_CMD+AT_MSN}}, | |
312 | {RSP_OK, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, | |
313 | {RSP_NULL, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, | |
314 | {RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"}, /* set "Endgeraetemodus" */ | |
315 | {RSP_OK, 607,607, -1, 608,-1}, | |
316 | //{RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 608, 0, {ACT_ERROR}},//DELETE | |
317 | {RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 609, 5, {ACT_CMD+AT_DIAL}}, | |
318 | {RSP_OK, 609,609, -1, 650, 0, {ACT_DIALING}}, | |
319 | ||
320 | {RSP_ZVLS, 608,608, 17, -1,-1, {ACT_DEBUG}}, | |
321 | {RSP_ZCTP, 609,609, -1, -1,-1, {ACT_DEBUG}}, | |
322 | {RSP_ZCPN, 609,609, -1, -1,-1, {ACT_DEBUG}}, | |
323 | {RSP_ERROR, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, | |
324 | {EV_TIMEOUT, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, | |
325 | ||
326 | /* dialing */ | |
327 | {RSP_ZCTP, 650,650, -1, -1,-1, {ACT_DEBUG}}, | |
328 | {RSP_ZCPN, 650,650, -1, -1,-1, {ACT_DEBUG}}, | |
329 | {RSP_ZSAU, 650,650,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, /* some devices don't send this */ | |
330 | ||
331 | /* connection established */ | |
332 | {RSP_ZSAU, 650,650,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1 | |
333 | {RSP_ZSAU, 750,750,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1 | |
334 | ||
335 | {EV_BC_OPEN, 800,800, -1, 800,-1, {ACT_NOTIFY_BC_UP}}, //FIXME new constate + timeout | |
336 | ||
337 | /* remote hangup */ | |
338 | {RSP_ZSAU, 650,650,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT}}, | |
339 | {RSP_ZSAU, 750,750,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, | |
340 | {RSP_ZSAU, 800,800,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, | |
341 | ||
342 | /* hangup */ | |
343 | {EV_HUP, -1, -1, -1, -1,-1, {ACT_HUP}}, //FIXME | |
344 | {RSP_INIT, -1, -1,SEQ_HUP, 401, 5, {0}, "+VLS=0\r"}, /* hang up */ //-1,-1? | |
345 | {RSP_OK, 401,401, -1, 402, 5}, | |
346 | {RSP_ZVLS, 402,402, 0, 403, 5}, | |
347 | {RSP_ZSAU, 403,403,ZSAU_DISCONNECT_REQ, -1,-1, {ACT_DEBUG}}, /* if not remote hup */ | |
348 | //{RSP_ZSAU, 403,403,ZSAU_NULL, 401, 0, {ACT_ERROR}}, //DELETE//FIXME -> DLE0 // should we do this _before_ hanging up for base driver? | |
349 | {RSP_ZSAU, 403,403,ZSAU_NULL, 0, 0, {ACT_DISCONNECT}}, //FIXME -> DLE0 // should we do this _before_ hanging up for base driver? | |
350 | {RSP_NODEV, 401,403, -1, 0, 0, {ACT_FAKEHUP}}, //FIXME -> DLE0 // should we do this _before_ hanging up for base driver? | |
351 | {RSP_ERROR, 401,401, -1, 0, 0, {ACT_ABORTHUP}}, | |
352 | {EV_TIMEOUT, 401,403, -1, 0, 0, {ACT_ABORTHUP}}, | |
353 | ||
354 | {EV_BC_CLOSED, 0, 0, -1, 0,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME new constate + timeout | |
355 | ||
356 | /* ring */ | |
357 | {RSP_ZBC, 700,700, -1, -1,-1, {0}}, | |
358 | {RSP_ZHLC, 700,700, -1, -1,-1, {0}}, | |
359 | {RSP_NMBR, 700,700, -1, -1,-1, {0}}, | |
360 | {RSP_ZCPN, 700,700, -1, -1,-1, {0}}, | |
361 | {RSP_ZCTP, 700,700, -1, -1,-1, {0}}, | |
362 | {EV_TIMEOUT, 700,700, -1, 720,720, {ACT_ICALL}}, | |
363 | {EV_BC_CLOSED,720,720, -1, 0,-1, {ACT_NOTIFY_BC_DOWN}}, | |
364 | ||
365 | /*accept icall*/ | |
366 | {EV_ACCEPT, -1, -1, -1, -1,-1, {ACT_ACCEPT}}, //FIXME | |
367 | {RSP_INIT, 720,720,SEQ_ACCEPT, 721, 5, {ACT_CMD+AT_PROTO}}, | |
368 | {RSP_OK, 721,721, -1, 722, 5, {ACT_CMD+AT_ISO}}, | |
369 | {RSP_OK, 722,722, -1, 723, 5, {0}, "+VLS=17\r"}, /* set "Endgeraetemodus" */ | |
370 | {RSP_OK, 723,723, -1, 724, 5, {0}}, | |
371 | {RSP_ZVLS, 724,724, 17, 750,50, {ACT_ACCEPTED}}, | |
372 | {RSP_ERROR, 721,729, -1, 0, 0, {ACT_ABORTACCEPT}}, | |
373 | {EV_TIMEOUT, 721,729, -1, 0, 0, {ACT_ABORTACCEPT}}, | |
374 | {RSP_ZSAU, 700,729,ZSAU_NULL, 0, 0, {ACT_ABORTACCEPT}}, | |
375 | {RSP_ZSAU, 700,729,ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT}}, | |
376 | {RSP_ZSAU, 700,729,ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT}}, | |
377 | ||
378 | {EV_TIMEOUT, 750,750, -1, 0, 0, {ACT_CONNTIMEOUT}}, | |
379 | ||
380 | /* misc. */ | |
381 | {EV_PROTO_L2, -1, -1, -1, -1,-1, {ACT_PROTO_L2}}, //FIXME | |
382 | ||
383 | {RSP_ZCON, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
384 | {RSP_ZCCR, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
385 | {RSP_ZAOC, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
386 | {RSP_ZCSTR, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
387 | ||
388 | {RSP_ZCAU, -1, -1, -1, -1,-1, {ACT_ZCAU}}, | |
389 | {RSP_NONE, -1, -1, -1, -1,-1, {ACT_DEBUG}}, | |
390 | {RSP_ANY, -1, -1, -1, -1,-1, {ACT_WARN}}, | |
391 | {RSP_LAST} | |
392 | }; | |
393 | ||
394 | ||
395 | #if 0 | |
396 | static struct reply_t tab_nocid[]= /* no dle mode */ //FIXME aenderungen uebernehmen | |
397 | { | |
398 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */ | |
399 | ||
400 | {RSP_ANY, -1, -1, -1, -1,-1, ACT_WARN, NULL}, | |
401 | {RSP_LAST,0,0,0,0,0,0} | |
402 | }; | |
403 | ||
404 | static struct reply_t tab_cid[] = /* no dle mode */ //FIXME aenderungen uebernehmen | |
405 | { | |
406 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */ | |
407 | ||
408 | {RSP_ANY, -1, -1, -1, -1,-1, ACT_WARN, NULL}, | |
409 | {RSP_LAST,0,0,0,0,0,0} | |
410 | }; | |
411 | #endif | |
412 | ||
413 | static struct resp_type_t resp_type[]= | |
414 | { | |
415 | /*{"", RSP_EMPTY, RT_NOTHING},*/ | |
416 | {"OK", RSP_OK, RT_NOTHING}, | |
417 | {"ERROR", RSP_ERROR, RT_NOTHING}, | |
418 | {"ZSAU", RSP_ZSAU, RT_ZSAU}, | |
419 | {"ZCAU", RSP_ZCAU, RT_ZCAU}, | |
420 | {"RING", RSP_RING, RT_RING}, | |
421 | {"ZGCI", RSP_ZGCI, RT_NUMBER}, | |
422 | {"ZVLS", RSP_ZVLS, RT_NUMBER}, | |
423 | {"ZCTP", RSP_ZCTP, RT_NUMBER}, | |
424 | {"ZDLE", RSP_ZDLE, RT_NUMBER}, | |
425 | {"ZCFGT", RSP_ZCFGT, RT_NUMBER}, | |
426 | {"ZCCR", RSP_ZCCR, RT_NUMBER}, | |
427 | {"ZMWI", RSP_ZMWI, RT_NUMBER}, | |
428 | {"ZHLC", RSP_ZHLC, RT_STRING}, | |
429 | {"ZBC", RSP_ZBC, RT_STRING}, | |
430 | {"NMBR", RSP_NMBR, RT_STRING}, | |
431 | {"ZCPN", RSP_ZCPN, RT_STRING}, | |
432 | {"ZCON", RSP_ZCON, RT_STRING}, | |
433 | {"ZAOC", RSP_ZAOC, RT_STRING}, | |
434 | {"ZCSTR", RSP_ZCSTR, RT_STRING}, | |
435 | {"ZCFG", RSP_ZCFG, RT_HEX}, | |
436 | {"ZLOG", RSP_ZLOG, RT_NOTHING}, | |
437 | {"ZABINFO", RSP_ZABINFO, RT_NOTHING}, | |
438 | {"ZSMLSTCHG", RSP_ZSMLSTCHG, RT_NOTHING}, | |
439 | {NULL,0,0} | |
440 | }; | |
441 | ||
442 | /* | |
443 | * Get integer from char-pointer | |
444 | */ | |
445 | static int isdn_getnum(char *p) | |
446 | { | |
447 | int v = -1; | |
448 | ||
449 | IFNULLRETVAL(p, -1); | |
450 | ||
451 | dbg(DEBUG_TRANSCMD, "string: %s", p); | |
452 | ||
453 | while (*p >= '0' && *p <= '9') | |
454 | v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0'); | |
455 | if (*p) | |
456 | v = -1; /* invalid Character */ | |
457 | return v; | |
458 | } | |
459 | ||
460 | /* | |
461 | * Get integer from char-pointer | |
462 | */ | |
463 | static int isdn_gethex(char *p) | |
464 | { | |
465 | int v = 0; | |
466 | int c; | |
467 | ||
468 | IFNULLRETVAL(p, -1); | |
469 | ||
470 | dbg(DEBUG_TRANSCMD, "string: %s", p); | |
471 | ||
472 | if (!*p) | |
473 | return -1; | |
474 | ||
475 | do { | |
476 | if (v > (INT_MAX - 15) / 16) | |
477 | return -1; | |
478 | c = *p; | |
479 | if (c >= '0' && c <= '9') | |
480 | c -= '0'; | |
481 | else if (c >= 'a' && c <= 'f') | |
482 | c -= 'a' - 10; | |
483 | else if (c >= 'A' && c <= 'F') | |
484 | c -= 'A' - 10; | |
485 | else | |
486 | return -1; | |
487 | v = v * 16 + c; | |
488 | } while (*++p); | |
489 | ||
490 | return v; | |
491 | } | |
492 | ||
493 | static inline void new_index(atomic_t *index, int max) | |
494 | { | |
495 | if (atomic_read(index) == max) //FIXME race? | |
496 | atomic_set(index, 0); | |
497 | else | |
498 | atomic_inc(index); | |
499 | } | |
500 | ||
501 | /* retrieve CID from parsed response | |
502 | * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535 | |
503 | */ | |
504 | static int cid_of_response(char *s) | |
505 | { | |
506 | int cid; | |
507 | ||
508 | if (s[-1] != ';') | |
509 | return 0; /* no CID separator */ | |
510 | cid = isdn_getnum(s); | |
511 | if (cid < 0) | |
512 | return 0; /* CID not numeric */ | |
513 | if (cid < 1 || cid > 65535) | |
514 | return -1; /* CID out of range */ | |
515 | return cid; | |
516 | //FIXME is ;<digit>+ at end of non-CID response really impossible? | |
517 | } | |
518 | ||
519 | /* This function will be called via task queue from the callback handler. | |
520 | * We received a modem response and have to handle it.. | |
521 | */ | |
522 | void gigaset_handle_modem_response(struct cardstate *cs) | |
523 | { | |
524 | unsigned char *argv[MAX_REC_PARAMS + 1]; | |
525 | int params; | |
526 | int i, j; | |
527 | struct resp_type_t *rt; | |
528 | int curarg; | |
529 | unsigned long flags; | |
530 | unsigned next, tail, head; | |
531 | struct event_t *event; | |
532 | int resp_code; | |
533 | int param_type; | |
534 | int abort; | |
535 | size_t len; | |
536 | int cid; | |
537 | int rawstring; | |
538 | ||
539 | IFNULLRET(cs); | |
540 | ||
541 | len = cs->cbytes; | |
542 | if (!len) { | |
543 | /* ignore additional LFs/CRs (M10x config mode or cx100) */ | |
544 | dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]); | |
545 | return; | |
546 | } | |
547 | cs->respdata[len] = 0; | |
548 | dbg(DEBUG_TRANSCMD, "raw string: '%s'", cs->respdata); | |
549 | argv[0] = cs->respdata; | |
550 | params = 1; | |
551 | if (cs->at_state.getstring) { | |
552 | /* getstring only allowed without cid at the moment */ | |
553 | cs->at_state.getstring = 0; | |
554 | rawstring = 1; | |
555 | cid = 0; | |
556 | } else { | |
557 | /* parse line */ | |
558 | for (i = 0; i < len; i++) | |
559 | switch (cs->respdata[i]) { | |
560 | case ';': | |
561 | case ',': | |
562 | case '=': | |
563 | if (params > MAX_REC_PARAMS) { | |
564 | warn("too many parameters in response"); | |
565 | /* need last parameter (might be CID) */ | |
566 | params--; | |
567 | } | |
568 | argv[params++] = cs->respdata + i + 1; | |
569 | } | |
570 | ||
571 | rawstring = 0; | |
572 | cid = params > 1 ? cid_of_response(argv[params-1]) : 0; | |
573 | if (cid < 0) { | |
574 | gigaset_add_event(cs, &cs->at_state, RSP_INVAL, | |
575 | NULL, 0, NULL); | |
576 | return; | |
577 | } | |
578 | ||
579 | for (j = 1; j < params; ++j) | |
580 | argv[j][-1] = 0; | |
581 | ||
582 | dbg(DEBUG_TRANSCMD, "CMD received: %s", argv[0]); | |
583 | if (cid) { | |
584 | --params; | |
585 | dbg(DEBUG_TRANSCMD, "CID: %s", argv[params]); | |
586 | } | |
587 | dbg(DEBUG_TRANSCMD, "available params: %d", params - 1); | |
588 | for (j = 1; j < params; j++) | |
589 | dbg(DEBUG_TRANSCMD, "param %d: %s", j, argv[j]); | |
590 | } | |
591 | ||
592 | spin_lock_irqsave(&cs->ev_lock, flags); | |
593 | head = atomic_read(&cs->ev_head); | |
594 | tail = atomic_read(&cs->ev_tail); | |
595 | ||
596 | abort = 1; | |
597 | curarg = 0; | |
598 | while (curarg < params) { | |
599 | next = (tail + 1) % MAX_EVENTS; | |
600 | if (unlikely(next == head)) { | |
601 | err("event queue full"); | |
602 | break; | |
603 | } | |
604 | ||
605 | event = cs->events + tail; | |
606 | event->at_state = NULL; | |
607 | event->cid = cid; | |
608 | event->ptr = NULL; | |
609 | event->arg = NULL; | |
610 | tail = next; | |
611 | ||
612 | if (rawstring) { | |
613 | resp_code = RSP_STRING; | |
614 | param_type = RT_STRING; | |
615 | } else { | |
616 | for (rt = resp_type; rt->response; ++rt) | |
617 | if (!strcmp(argv[curarg], rt->response)) | |
618 | break; | |
619 | ||
620 | if (!rt->response) { | |
621 | event->type = RSP_UNKNOWN; | |
622 | warn("unknown modem response: %s", | |
623 | argv[curarg]); | |
624 | break; | |
625 | } | |
626 | ||
627 | resp_code = rt->resp_code; | |
628 | param_type = rt->type; | |
629 | ++curarg; | |
630 | } | |
631 | ||
632 | event->type = resp_code; | |
633 | ||
634 | switch (param_type) { | |
635 | case RT_NOTHING: | |
636 | break; | |
637 | case RT_RING: | |
638 | if (!cid) { | |
639 | err("received RING without CID!"); | |
640 | event->type = RSP_INVAL; | |
641 | abort = 1; | |
642 | } else { | |
643 | event->cid = 0; | |
644 | event->parameter = cid; | |
645 | abort = 0; | |
646 | } | |
647 | break; | |
648 | case RT_ZSAU: | |
649 | if (curarg >= params) { | |
650 | event->parameter = ZSAU_NONE; | |
651 | break; | |
652 | } | |
653 | if (!strcmp(argv[curarg], "OUTGOING_CALL_PROCEEDING")) | |
654 | event->parameter = ZSAU_OUTGOING_CALL_PROCEEDING; | |
655 | else if (!strcmp(argv[curarg], "CALL_DELIVERED")) | |
656 | event->parameter = ZSAU_CALL_DELIVERED; | |
657 | else if (!strcmp(argv[curarg], "ACTIVE")) | |
658 | event->parameter = ZSAU_ACTIVE; | |
659 | else if (!strcmp(argv[curarg], "DISCONNECT_IND")) | |
660 | event->parameter = ZSAU_DISCONNECT_IND; | |
661 | else if (!strcmp(argv[curarg], "NULL")) | |
662 | event->parameter = ZSAU_NULL; | |
663 | else if (!strcmp(argv[curarg], "DISCONNECT_REQ")) | |
664 | event->parameter = ZSAU_DISCONNECT_REQ; | |
665 | else { | |
666 | event->parameter = ZSAU_UNKNOWN; | |
667 | warn("%s: unknown parameter %s after ZSAU", | |
668 | __func__, argv[curarg]); | |
669 | } | |
670 | ++curarg; | |
671 | break; | |
672 | case RT_STRING: | |
673 | if (curarg < params) { | |
674 | len = strlen(argv[curarg]) + 1; | |
675 | event->ptr = kmalloc(len, GFP_ATOMIC); | |
676 | if (event->ptr) | |
677 | memcpy(event->ptr, argv[curarg], len); | |
678 | else | |
679 | err("no memory for string!"); | |
680 | ++curarg; | |
681 | } | |
682 | #ifdef CONFIG_GIGASET_DEBUG | |
683 | if (!event->ptr) | |
684 | dbg(DEBUG_CMD, "string==NULL"); | |
685 | else | |
686 | dbg(DEBUG_CMD, | |
687 | "string==%s", (char *) event->ptr); | |
688 | #endif | |
689 | break; | |
690 | case RT_ZCAU: | |
691 | event->parameter = -1; | |
692 | if (curarg + 1 < params) { | |
693 | i = isdn_gethex(argv[curarg]); | |
694 | j = isdn_gethex(argv[curarg + 1]); | |
695 | if (i >= 0 && i < 256 && j >= 0 && j < 256) | |
696 | event->parameter = (unsigned) i << 8 | |
697 | | j; | |
698 | curarg += 2; | |
699 | } else | |
700 | curarg = params - 1; | |
701 | break; | |
702 | case RT_NUMBER: | |
703 | case RT_HEX: | |
704 | if (curarg < params) { | |
705 | if (param_type == RT_HEX) | |
706 | event->parameter = | |
707 | isdn_gethex(argv[curarg]); | |
708 | else | |
709 | event->parameter = | |
710 | isdn_getnum(argv[curarg]); | |
711 | ++curarg; | |
712 | } else | |
713 | event->parameter = -1; | |
714 | #ifdef CONFIG_GIGASET_DEBUG | |
715 | dbg(DEBUG_CMD, "parameter==%d", event->parameter); | |
716 | #endif | |
717 | break; | |
718 | } | |
719 | ||
720 | if (resp_code == RSP_ZDLE) | |
721 | cs->dle = event->parameter; | |
722 | ||
723 | if (abort) | |
724 | break; | |
725 | } | |
726 | ||
727 | atomic_set(&cs->ev_tail, tail); | |
728 | spin_unlock_irqrestore(&cs->ev_lock, flags); | |
729 | ||
730 | if (curarg != params) | |
731 | dbg(DEBUG_ANY, "invalid number of processed parameters: %d/%d", | |
732 | curarg, params); | |
733 | } | |
734 | EXPORT_SYMBOL_GPL(gigaset_handle_modem_response); | |
735 | ||
736 | /* disconnect | |
737 | * process closing of connection associated with given AT state structure | |
738 | */ | |
739 | static void disconnect(struct at_state_t **at_state_p) | |
740 | { | |
741 | unsigned long flags; | |
742 | struct bc_state *bcs; | |
743 | struct cardstate *cs; | |
744 | ||
745 | IFNULLRET(at_state_p); | |
746 | IFNULLRET(*at_state_p); | |
747 | bcs = (*at_state_p)->bcs; | |
748 | cs = (*at_state_p)->cs; | |
749 | IFNULLRET(cs); | |
750 | ||
751 | new_index(&(*at_state_p)->seq_index, MAX_SEQ_INDEX); | |
752 | ||
753 | /* revert to selected idle mode */ | |
754 | if (!atomic_read(&cs->cidmode)) { | |
755 | cs->at_state.pending_commands |= PC_UMMODE; | |
756 | atomic_set(&cs->commands_pending, 1); //FIXME | |
757 | dbg(DEBUG_CMD, "Scheduling PC_UMMODE"); | |
758 | } | |
759 | ||
760 | if (bcs) { | |
761 | /* B channel assigned: invoke hardware specific handler */ | |
762 | cs->ops->close_bchannel(bcs); | |
763 | } else { | |
764 | /* no B channel assigned: just deallocate */ | |
765 | spin_lock_irqsave(&cs->lock, flags); | |
766 | list_del(&(*at_state_p)->list); | |
767 | kfree(*at_state_p); | |
768 | *at_state_p = NULL; | |
769 | spin_unlock_irqrestore(&cs->lock, flags); | |
770 | } | |
771 | } | |
772 | ||
773 | /* get_free_channel | |
774 | * get a free AT state structure: either one of those associated with the | |
775 | * B channels of the Gigaset device, or if none of those is available, | |
776 | * a newly allocated one with bcs=NULL | |
777 | * The structure should be freed by calling disconnect() after use. | |
778 | */ | |
779 | static inline struct at_state_t *get_free_channel(struct cardstate *cs, | |
780 | int cid) | |
781 | /* cids: >0: siemens-cid | |
782 | 0: without cid | |
783 | -1: no cid assigned yet | |
784 | */ | |
785 | { | |
786 | unsigned long flags; | |
787 | int i; | |
788 | struct at_state_t *ret; | |
789 | ||
790 | for (i = 0; i < cs->channels; ++i) | |
791 | if (gigaset_get_channel(cs->bcs + i)) { | |
792 | ret = &cs->bcs[i].at_state; | |
793 | ret->cid = cid; | |
794 | return ret; | |
795 | } | |
796 | ||
797 | spin_lock_irqsave(&cs->lock, flags); | |
798 | ret = kmalloc(sizeof(struct at_state_t), GFP_ATOMIC); | |
799 | if (ret) { | |
800 | gigaset_at_init(ret, NULL, cs, cid); | |
801 | list_add(&ret->list, &cs->temp_at_states); | |
802 | } | |
803 | spin_unlock_irqrestore(&cs->lock, flags); | |
804 | return ret; | |
805 | } | |
806 | ||
807 | static void init_failed(struct cardstate *cs, int mode) | |
808 | { | |
809 | int i; | |
810 | struct at_state_t *at_state; | |
811 | ||
812 | cs->at_state.pending_commands &= ~PC_INIT; | |
813 | atomic_set(&cs->mode, mode); | |
814 | atomic_set(&cs->mstate, MS_UNINITIALIZED); | |
815 | gigaset_free_channels(cs); | |
816 | for (i = 0; i < cs->channels; ++i) { | |
817 | at_state = &cs->bcs[i].at_state; | |
818 | if (at_state->pending_commands & PC_CID) { | |
819 | at_state->pending_commands &= ~PC_CID; | |
820 | at_state->pending_commands |= PC_NOCID; | |
821 | atomic_set(&cs->commands_pending, 1); | |
822 | } | |
823 | } | |
824 | } | |
825 | ||
826 | static void schedule_init(struct cardstate *cs, int state) | |
827 | { | |
828 | if (cs->at_state.pending_commands & PC_INIT) { | |
829 | dbg(DEBUG_CMD, "not scheduling PC_INIT again"); | |
830 | return; | |
831 | } | |
832 | atomic_set(&cs->mstate, state); | |
833 | atomic_set(&cs->mode, M_UNKNOWN); | |
834 | gigaset_block_channels(cs); | |
835 | cs->at_state.pending_commands |= PC_INIT; | |
836 | atomic_set(&cs->commands_pending, 1); | |
837 | dbg(DEBUG_CMD, "Scheduling PC_INIT"); | |
838 | } | |
839 | ||
840 | /* Add "AT" to a command, add the cid, dle encode it, send the result to the hardware. */ | |
841 | static void send_command(struct cardstate *cs, const char *cmd, int cid, | |
842 | int dle, gfp_t kmallocflags) | |
843 | { | |
844 | size_t cmdlen, buflen; | |
845 | char *cmdpos, *cmdbuf, *cmdtail; | |
846 | ||
847 | cmdlen = strlen(cmd); | |
848 | buflen = 11 + cmdlen; | |
849 | ||
850 | if (likely(buflen > cmdlen)) { | |
851 | cmdbuf = kmalloc(buflen, kmallocflags); | |
852 | if (likely(cmdbuf != NULL)) { | |
853 | cmdpos = cmdbuf + 9; | |
854 | cmdtail = cmdpos + cmdlen; | |
855 | memcpy(cmdpos, cmd, cmdlen); | |
856 | ||
857 | if (cid > 0 && cid <= 65535) { | |
858 | do { | |
859 | *--cmdpos = '0' + cid % 10; | |
860 | cid /= 10; | |
861 | ++cmdlen; | |
862 | } while (cid); | |
863 | } | |
864 | ||
865 | cmdlen += 2; | |
866 | *--cmdpos = 'T'; | |
867 | *--cmdpos = 'A'; | |
868 | ||
869 | if (dle) { | |
870 | cmdlen += 4; | |
871 | *--cmdpos = '('; | |
872 | *--cmdpos = 0x10; | |
873 | *cmdtail++ = 0x10; | |
874 | *cmdtail++ = ')'; | |
875 | } | |
876 | ||
877 | cs->ops->write_cmd(cs, cmdpos, cmdlen, NULL); | |
878 | kfree(cmdbuf); | |
879 | } else | |
880 | err("no memory for command buffer"); | |
881 | } else | |
882 | err("overflow in buflen"); | |
883 | } | |
884 | ||
885 | static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid) | |
886 | { | |
887 | struct at_state_t *at_state; | |
888 | int i; | |
889 | unsigned long flags; | |
890 | ||
891 | if (cid == 0) | |
892 | return &cs->at_state; | |
893 | ||
894 | for (i = 0; i < cs->channels; ++i) | |
895 | if (cid == cs->bcs[i].at_state.cid) | |
896 | return &cs->bcs[i].at_state; | |
897 | ||
898 | spin_lock_irqsave(&cs->lock, flags); | |
899 | ||
900 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
901 | if (cid == at_state->cid) { | |
902 | spin_unlock_irqrestore(&cs->lock, flags); | |
903 | return at_state; | |
904 | } | |
905 | ||
906 | spin_unlock_irqrestore(&cs->lock, flags); | |
907 | ||
908 | return NULL; | |
909 | } | |
910 | ||
911 | static void bchannel_down(struct bc_state *bcs) | |
912 | { | |
913 | IFNULLRET(bcs); | |
914 | IFNULLRET(bcs->cs); | |
915 | ||
916 | if (bcs->chstate & CHS_B_UP) { | |
917 | bcs->chstate &= ~CHS_B_UP; | |
918 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BHUP); | |
919 | } | |
920 | ||
921 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
922 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
923 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP); | |
924 | } | |
925 | ||
926 | gigaset_free_channel(bcs); | |
927 | ||
928 | gigaset_bcs_reinit(bcs); | |
929 | } | |
930 | ||
931 | static void bchannel_up(struct bc_state *bcs) | |
932 | { | |
933 | IFNULLRET(bcs); | |
934 | ||
935 | if (!(bcs->chstate & CHS_D_UP)) { | |
936 | notice("%s: D channel not up", __func__); | |
937 | bcs->chstate |= CHS_D_UP; | |
938 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN); | |
939 | } | |
940 | ||
941 | if (bcs->chstate & CHS_B_UP) { | |
942 | notice("%s: B channel already up", __func__); | |
943 | return; | |
944 | } | |
945 | ||
946 | bcs->chstate |= CHS_B_UP; | |
947 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BCONN); | |
948 | } | |
949 | ||
950 | static void start_dial(struct at_state_t *at_state, void *data, int seq_index) | |
951 | { | |
952 | struct bc_state *bcs = at_state->bcs; | |
953 | struct cardstate *cs = at_state->cs; | |
954 | int retval; | |
955 | ||
956 | bcs->chstate |= CHS_NOTIFY_LL; | |
957 | //atomic_set(&bcs->status, BCS_INIT); | |
958 | ||
959 | if (atomic_read(&at_state->seq_index) != seq_index) | |
960 | goto error; | |
961 | ||
962 | retval = gigaset_isdn_setup_dial(at_state, data); | |
963 | if (retval != 0) | |
964 | goto error; | |
965 | ||
966 | ||
967 | at_state->pending_commands |= PC_CID; | |
968 | dbg(DEBUG_CMD, "Scheduling PC_CID"); | |
969 | //#ifdef GIG_MAYINITONDIAL | |
970 | // if (atomic_read(&cs->MState) == MS_UNKNOWN) { | |
971 | // cs->at_state.pending_commands |= PC_INIT; | |
972 | // dbg(DEBUG_CMD, "Scheduling PC_INIT"); | |
973 | // } | |
974 | //#endif | |
975 | atomic_set(&cs->commands_pending, 1); //FIXME | |
976 | return; | |
977 | ||
978 | error: | |
979 | at_state->pending_commands |= PC_NOCID; | |
980 | dbg(DEBUG_CMD, "Scheduling PC_NOCID"); | |
981 | atomic_set(&cs->commands_pending, 1); //FIXME | |
982 | return; | |
983 | } | |
984 | ||
985 | static void start_accept(struct at_state_t *at_state) | |
986 | { | |
987 | struct cardstate *cs = at_state->cs; | |
988 | int retval; | |
989 | ||
990 | retval = gigaset_isdn_setup_accept(at_state); | |
991 | ||
992 | if (retval == 0) { | |
993 | at_state->pending_commands |= PC_ACCEPT; | |
994 | dbg(DEBUG_CMD, "Scheduling PC_ACCEPT"); | |
995 | atomic_set(&cs->commands_pending, 1); //FIXME | |
996 | } else { | |
997 | //FIXME | |
998 | at_state->pending_commands |= PC_HUP; | |
999 | dbg(DEBUG_CMD, "Scheduling PC_HUP"); | |
1000 | atomic_set(&cs->commands_pending, 1); //FIXME | |
1001 | } | |
1002 | } | |
1003 | ||
1004 | static void do_start(struct cardstate *cs) | |
1005 | { | |
1006 | gigaset_free_channels(cs); | |
1007 | ||
1008 | if (atomic_read(&cs->mstate) != MS_LOCKED) | |
1009 | schedule_init(cs, MS_INIT); | |
1010 | ||
1011 | gigaset_i4l_cmd(cs, ISDN_STAT_RUN); | |
1012 | // FIXME: not in locked mode | |
1013 | // FIXME 2: only after init sequence | |
1014 | ||
1015 | cs->waiting = 0; | |
1016 | wake_up(&cs->waitqueue); | |
1017 | } | |
1018 | ||
1019 | static void finish_shutdown(struct cardstate *cs) | |
1020 | { | |
1021 | if (atomic_read(&cs->mstate) != MS_LOCKED) { | |
1022 | atomic_set(&cs->mstate, MS_UNINITIALIZED); | |
1023 | atomic_set(&cs->mode, M_UNKNOWN); | |
1024 | } | |
1025 | ||
1026 | /* The rest is done by cleanup_cs () in user mode. */ | |
1027 | ||
1028 | cs->cmd_result = -ENODEV; | |
1029 | cs->waiting = 0; | |
1030 | wake_up_interruptible(&cs->waitqueue); | |
1031 | } | |
1032 | ||
1033 | static void do_shutdown(struct cardstate *cs) | |
1034 | { | |
1035 | gigaset_block_channels(cs); | |
1036 | ||
1037 | if (atomic_read(&cs->mstate) == MS_READY) { | |
1038 | atomic_set(&cs->mstate, MS_SHUTDOWN); | |
1039 | cs->at_state.pending_commands |= PC_SHUTDOWN; | |
1040 | atomic_set(&cs->commands_pending, 1); //FIXME | |
1041 | dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN"); //FIXME | |
1042 | //gigaset_schedule_event(cs); //FIXME | |
1043 | } else | |
1044 | finish_shutdown(cs); | |
1045 | } | |
1046 | ||
1047 | static void do_stop(struct cardstate *cs) | |
1048 | { | |
1049 | do_shutdown(cs); | |
1050 | } | |
1051 | ||
1052 | /* Entering cid mode or getting a cid failed: | |
1053 | * try to initialize the device and try again. | |
1054 | * | |
1055 | * channel >= 0: getting cid for the channel failed | |
1056 | * channel < 0: entering cid mode failed | |
1057 | * | |
1058 | * returns 0 on failure | |
1059 | */ | |
1060 | static int reinit_and_retry(struct cardstate *cs, int channel) | |
1061 | { | |
1062 | int i; | |
1063 | ||
1064 | if (--cs->retry_count <= 0) | |
1065 | return 0; | |
1066 | ||
1067 | for (i = 0; i < cs->channels; ++i) | |
1068 | if (cs->bcs[i].at_state.cid > 0) | |
1069 | return 0; | |
1070 | ||
1071 | if (channel < 0) | |
1072 | warn("Could not enter cid mode. Reinit device and try again."); | |
1073 | else { | |
1074 | warn("Could not get a call id. Reinit device and try again."); | |
1075 | cs->bcs[channel].at_state.pending_commands |= PC_CID; | |
1076 | } | |
1077 | schedule_init(cs, MS_INIT); | |
1078 | return 1; | |
1079 | } | |
1080 | ||
1081 | static int at_state_invalid(struct cardstate *cs, | |
1082 | struct at_state_t *test_ptr) | |
1083 | { | |
1084 | unsigned long flags; | |
1085 | unsigned channel; | |
1086 | struct at_state_t *at_state; | |
1087 | int retval = 0; | |
1088 | ||
1089 | spin_lock_irqsave(&cs->lock, flags); | |
1090 | ||
1091 | if (test_ptr == &cs->at_state) | |
1092 | goto exit; | |
1093 | ||
1094 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1095 | if (at_state == test_ptr) | |
1096 | goto exit; | |
1097 | ||
1098 | for (channel = 0; channel < cs->channels; ++channel) | |
1099 | if (&cs->bcs[channel].at_state == test_ptr) | |
1100 | goto exit; | |
1101 | ||
1102 | retval = 1; | |
1103 | exit: | |
1104 | spin_unlock_irqrestore(&cs->lock, flags); | |
1105 | return retval; | |
1106 | } | |
1107 | ||
1108 | static void handle_icall(struct cardstate *cs, struct bc_state *bcs, | |
1109 | struct at_state_t **p_at_state) | |
1110 | { | |
1111 | int retval; | |
1112 | struct at_state_t *at_state = *p_at_state; | |
1113 | ||
1114 | retval = gigaset_isdn_icall(at_state); | |
1115 | switch (retval) { | |
1116 | case ICALL_ACCEPT: | |
1117 | break; | |
1118 | default: | |
1119 | err("internal error: disposition=%d", retval); | |
1120 | /* --v-- fall through --v-- */ | |
1121 | case ICALL_IGNORE: | |
1122 | case ICALL_REJECT: | |
1123 | /* hang up actively | |
1124 | * Device doc says that would reject the call. | |
1125 | * In fact it doesn't. | |
1126 | */ | |
1127 | at_state->pending_commands |= PC_HUP; | |
1128 | atomic_set(&cs->commands_pending, 1); | |
1129 | break; | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | static int do_lock(struct cardstate *cs) | |
1134 | { | |
1135 | int mode; | |
1136 | int i; | |
1137 | ||
1138 | switch (atomic_read(&cs->mstate)) { | |
1139 | case MS_UNINITIALIZED: | |
1140 | case MS_READY: | |
1141 | if (cs->cur_at_seq || !list_empty(&cs->temp_at_states) || | |
1142 | cs->at_state.pending_commands) | |
1143 | return -EBUSY; | |
1144 | ||
1145 | for (i = 0; i < cs->channels; ++i) | |
1146 | if (cs->bcs[i].at_state.pending_commands) | |
1147 | return -EBUSY; | |
1148 | ||
1149 | if (!gigaset_get_channels(cs)) | |
1150 | return -EBUSY; | |
1151 | ||
1152 | break; | |
1153 | case MS_LOCKED: | |
1154 | //retval = -EACCES; | |
1155 | break; | |
1156 | default: | |
1157 | return -EBUSY; | |
1158 | } | |
1159 | ||
1160 | mode = atomic_read(&cs->mode); | |
1161 | atomic_set(&cs->mstate, MS_LOCKED); | |
1162 | atomic_set(&cs->mode, M_UNKNOWN); | |
1163 | //FIXME reset card state / at states / bcs states | |
1164 | ||
1165 | return mode; | |
1166 | } | |
1167 | ||
1168 | static int do_unlock(struct cardstate *cs) | |
1169 | { | |
1170 | if (atomic_read(&cs->mstate) != MS_LOCKED) | |
1171 | return -EINVAL; | |
1172 | ||
1173 | atomic_set(&cs->mstate, MS_UNINITIALIZED); | |
1174 | atomic_set(&cs->mode, M_UNKNOWN); | |
1175 | gigaset_free_channels(cs); | |
1176 | //FIXME reset card state / at states / bcs states | |
1177 | if (atomic_read(&cs->connected)) | |
1178 | schedule_init(cs, MS_INIT); | |
1179 | ||
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | static void do_action(int action, struct cardstate *cs, | |
1184 | struct bc_state *bcs, | |
1185 | struct at_state_t **p_at_state, char **pp_command, | |
1186 | int *p_genresp, int *p_resp_code, | |
1187 | struct event_t *ev) | |
1188 | { | |
1189 | struct at_state_t *at_state = *p_at_state; | |
1190 | struct at_state_t *at_state2; | |
1191 | unsigned long flags; | |
1192 | ||
1193 | int channel; | |
1194 | ||
1195 | unsigned char *s, *e; | |
1196 | int i; | |
1197 | unsigned long val; | |
1198 | ||
1199 | switch (action) { | |
1200 | case ACT_NOTHING: | |
1201 | break; | |
1202 | case ACT_TIMEOUT: | |
1203 | at_state->waiting = 1; | |
1204 | break; | |
1205 | case ACT_INIT: | |
1206 | //FIXME setup everything | |
1207 | cs->at_state.pending_commands &= ~PC_INIT; | |
1208 | cs->cur_at_seq = SEQ_NONE; | |
1209 | atomic_set(&cs->mode, M_UNIMODEM); | |
1210 | if (!atomic_read(&cs->cidmode)) { | |
1211 | gigaset_free_channels(cs); | |
1212 | atomic_set(&cs->mstate, MS_READY); | |
1213 | break; | |
1214 | } | |
1215 | cs->at_state.pending_commands |= PC_CIDMODE; | |
1216 | atomic_set(&cs->commands_pending, 1); //FIXME | |
1217 | dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); | |
1218 | break; | |
1219 | case ACT_FAILINIT: | |
1220 | warn("Could not initialize the device."); | |
1221 | cs->dle = 0; | |
1222 | init_failed(cs, M_UNKNOWN); | |
1223 | cs->cur_at_seq = SEQ_NONE; | |
1224 | break; | |
1225 | case ACT_CONFIGMODE: | |
1226 | init_failed(cs, M_CONFIG); | |
1227 | cs->cur_at_seq = SEQ_NONE; | |
1228 | break; | |
1229 | case ACT_SETDLE1: | |
1230 | cs->dle = 1; | |
1231 | /* cs->inbuf[0].inputstate |= INS_command | INS_DLE_command; */ | |
1232 | cs->inbuf[0].inputstate &= | |
1233 | ~(INS_command | INS_DLE_command); | |
1234 | break; | |
1235 | case ACT_SETDLE0: | |
1236 | cs->dle = 0; | |
1237 | cs->inbuf[0].inputstate = | |
1238 | (cs->inbuf[0].inputstate & ~INS_DLE_command) | |
1239 | | INS_command; | |
1240 | break; | |
1241 | case ACT_CMODESET: | |
1242 | if (atomic_read(&cs->mstate) == MS_INIT || | |
1243 | atomic_read(&cs->mstate) == MS_RECOVER) { | |
1244 | gigaset_free_channels(cs); | |
1245 | atomic_set(&cs->mstate, MS_READY); | |
1246 | } | |
1247 | atomic_set(&cs->mode, M_CID); | |
1248 | cs->cur_at_seq = SEQ_NONE; | |
1249 | break; | |
1250 | case ACT_UMODESET: | |
1251 | atomic_set(&cs->mode, M_UNIMODEM); | |
1252 | cs->cur_at_seq = SEQ_NONE; | |
1253 | break; | |
1254 | case ACT_FAILCMODE: | |
1255 | cs->cur_at_seq = SEQ_NONE; | |
1256 | if (atomic_read(&cs->mstate) == MS_INIT || | |
1257 | atomic_read(&cs->mstate) == MS_RECOVER) { | |
1258 | init_failed(cs, M_UNKNOWN); | |
1259 | break; | |
1260 | } | |
1261 | if (!reinit_and_retry(cs, -1)) | |
1262 | schedule_init(cs, MS_RECOVER); | |
1263 | break; | |
1264 | case ACT_FAILUMODE: | |
1265 | cs->cur_at_seq = SEQ_NONE; | |
1266 | schedule_init(cs, MS_RECOVER); | |
1267 | break; | |
1268 | case ACT_HUPMODEM: | |
1269 | /* send "+++" (hangup in unimodem mode) */ | |
1270 | cs->ops->write_cmd(cs, "+++", 3, NULL); | |
1271 | break; | |
1272 | case ACT_RING: | |
1273 | /* get fresh AT state structure for new CID */ | |
1274 | at_state2 = get_free_channel(cs, ev->parameter); | |
1275 | if (!at_state2) { | |
1276 | warn("RING ignored: " | |
1277 | "could not allocate channel structure"); | |
1278 | break; | |
1279 | } | |
1280 | ||
1281 | /* initialize AT state structure | |
1282 | * note that bcs may be NULL if no B channel is free | |
1283 | */ | |
1284 | at_state2->ConState = 700; | |
1285 | kfree(at_state2->str_var[STR_NMBR]); | |
1286 | at_state2->str_var[STR_NMBR] = NULL; | |
1287 | kfree(at_state2->str_var[STR_ZCPN]); | |
1288 | at_state2->str_var[STR_ZCPN] = NULL; | |
1289 | kfree(at_state2->str_var[STR_ZBC]); | |
1290 | at_state2->str_var[STR_ZBC] = NULL; | |
1291 | kfree(at_state2->str_var[STR_ZHLC]); | |
1292 | at_state2->str_var[STR_ZHLC] = NULL; | |
1293 | at_state2->int_var[VAR_ZCTP] = -1; | |
1294 | ||
1295 | spin_lock_irqsave(&cs->lock, flags); | |
1296 | at_state2->timer_expires = RING_TIMEOUT; | |
1297 | at_state2->timer_active = 1; | |
1298 | spin_unlock_irqrestore(&cs->lock, flags); | |
1299 | break; | |
1300 | case ACT_ICALL: | |
1301 | handle_icall(cs, bcs, p_at_state); | |
1302 | at_state = *p_at_state; | |
1303 | break; | |
1304 | case ACT_FAILSDOWN: | |
1305 | warn("Could not shut down the device."); | |
1306 | /* fall through */ | |
1307 | case ACT_FAKESDOWN: | |
1308 | case ACT_SDOWN: | |
1309 | cs->cur_at_seq = SEQ_NONE; | |
1310 | finish_shutdown(cs); | |
1311 | break; | |
1312 | case ACT_CONNECT: | |
1313 | if (cs->onechannel) { | |
1314 | at_state->pending_commands |= PC_DLE1; | |
1315 | atomic_set(&cs->commands_pending, 1); | |
1316 | break; | |
1317 | } | |
1318 | bcs->chstate |= CHS_D_UP; | |
1319 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN); | |
1320 | cs->ops->init_bchannel(bcs); | |
1321 | break; | |
1322 | case ACT_DLE1: | |
1323 | cs->cur_at_seq = SEQ_NONE; | |
1324 | bcs = cs->bcs + cs->curchannel; | |
1325 | ||
1326 | bcs->chstate |= CHS_D_UP; | |
1327 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN); | |
1328 | cs->ops->init_bchannel(bcs); | |
1329 | break; | |
1330 | case ACT_FAKEHUP: | |
1331 | at_state->int_var[VAR_ZSAU] = ZSAU_NULL; | |
1332 | /* fall through */ | |
1333 | case ACT_DISCONNECT: | |
1334 | cs->cur_at_seq = SEQ_NONE; | |
1335 | at_state->cid = -1; | |
1336 | if (bcs && cs->onechannel && cs->dle) { | |
1337 | /* Check for other open channels not needed: | |
1338 | * DLE only used for M10x with one B channel. | |
1339 | */ | |
1340 | at_state->pending_commands |= PC_DLE0; | |
1341 | atomic_set(&cs->commands_pending, 1); | |
1342 | } else { | |
1343 | disconnect(p_at_state); | |
1344 | at_state = *p_at_state; | |
1345 | } | |
1346 | break; | |
1347 | case ACT_FAKEDLE0: | |
1348 | at_state->int_var[VAR_ZDLE] = 0; | |
1349 | cs->dle = 0; | |
1350 | /* fall through */ | |
1351 | case ACT_DLE0: | |
1352 | cs->cur_at_seq = SEQ_NONE; | |
1353 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1354 | disconnect(&at_state2); | |
1355 | break; | |
1356 | case ACT_ABORTHUP: | |
1357 | cs->cur_at_seq = SEQ_NONE; | |
1358 | warn("Could not hang up."); | |
1359 | at_state->cid = -1; | |
1360 | if (bcs && cs->onechannel) | |
1361 | at_state->pending_commands |= PC_DLE0; | |
1362 | else { | |
1363 | disconnect(p_at_state); | |
1364 | at_state = *p_at_state; | |
1365 | } | |
1366 | schedule_init(cs, MS_RECOVER); | |
1367 | break; | |
1368 | case ACT_FAILDLE0: | |
1369 | cs->cur_at_seq = SEQ_NONE; | |
1370 | warn("Could not leave DLE mode."); | |
1371 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1372 | disconnect(&at_state2); | |
1373 | schedule_init(cs, MS_RECOVER); | |
1374 | break; | |
1375 | case ACT_FAILDLE1: | |
1376 | cs->cur_at_seq = SEQ_NONE; | |
1377 | warn("Could not enter DLE mode. Try to hang up."); | |
1378 | channel = cs->curchannel; | |
1379 | cs->bcs[channel].at_state.pending_commands |= PC_HUP; | |
1380 | atomic_set(&cs->commands_pending, 1); | |
1381 | break; | |
1382 | ||
1383 | case ACT_CID: /* got cid; start dialing */ | |
1384 | cs->cur_at_seq = SEQ_NONE; | |
1385 | channel = cs->curchannel; | |
1386 | if (ev->parameter > 0 && ev->parameter <= 65535) { | |
1387 | cs->bcs[channel].at_state.cid = ev->parameter; | |
1388 | cs->bcs[channel].at_state.pending_commands |= | |
1389 | PC_DIAL; | |
1390 | atomic_set(&cs->commands_pending, 1); | |
1391 | break; | |
1392 | } | |
1393 | /* fall through */ | |
1394 | case ACT_FAILCID: | |
1395 | cs->cur_at_seq = SEQ_NONE; | |
1396 | channel = cs->curchannel; | |
1397 | if (!reinit_and_retry(cs, channel)) { | |
1398 | warn("Could not get a call id. Dialing not possible"); | |
1399 | at_state2 = &cs->bcs[channel].at_state; | |
1400 | disconnect(&at_state2); | |
1401 | } | |
1402 | break; | |
1403 | case ACT_ABORTCID: | |
1404 | cs->cur_at_seq = SEQ_NONE; | |
1405 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1406 | disconnect(&at_state2); | |
1407 | break; | |
1408 | ||
1409 | case ACT_DIALING: | |
1410 | case ACT_ACCEPTED: | |
1411 | cs->cur_at_seq = SEQ_NONE; | |
1412 | break; | |
1413 | ||
1414 | case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL processing */ | |
1415 | disconnect(p_at_state); | |
1416 | at_state = *p_at_state; | |
1417 | break; | |
1418 | ||
1419 | case ACT_ABORTDIAL: /* error/timeout during dial preparation */ | |
1420 | cs->cur_at_seq = SEQ_NONE; | |
1421 | at_state->pending_commands |= PC_HUP; | |
1422 | atomic_set(&cs->commands_pending, 1); | |
1423 | break; | |
1424 | ||
1425 | case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */ | |
1426 | case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */ | |
1427 | case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */ | |
1428 | at_state->pending_commands |= PC_HUP; | |
1429 | atomic_set(&cs->commands_pending, 1); | |
1430 | break; | |
1431 | case ACT_GETSTRING: /* warning: RING, ZDLE, ... are not handled properly any more */ | |
1432 | at_state->getstring = 1; | |
1433 | break; | |
1434 | case ACT_SETVER: | |
1435 | if (!ev->ptr) { | |
1436 | *p_genresp = 1; | |
1437 | *p_resp_code = RSP_ERROR; | |
1438 | break; | |
1439 | } | |
1440 | s = ev->ptr; | |
1441 | ||
1442 | if (!strcmp(s, "OK")) { | |
1443 | *p_genresp = 1; | |
1444 | *p_resp_code = RSP_ERROR; | |
1445 | break; | |
1446 | } | |
1447 | ||
1448 | for (i = 0; i < 4; ++i) { | |
1449 | val = simple_strtoul(s, (char **) &e, 10); | |
1450 | if (val > INT_MAX || e == s) | |
1451 | break; | |
1452 | if (i == 3) { | |
1453 | if (*e) | |
1454 | break; | |
1455 | } else if (*e != '.') | |
1456 | break; | |
1457 | else | |
1458 | s = e + 1; | |
1459 | cs->fwver[i] = val; | |
1460 | } | |
1461 | if (i != 4) { | |
1462 | *p_genresp = 1; | |
1463 | *p_resp_code = RSP_ERROR; | |
1464 | break; | |
1465 | } | |
1466 | /*at_state->getstring = 1;*/ | |
1467 | cs->gotfwver = 0; | |
1468 | break; | |
1469 | case ACT_GOTVER: | |
1470 | if (cs->gotfwver == 0) { | |
1471 | cs->gotfwver = 1; | |
1472 | dbg(DEBUG_ANY, | |
1473 | "firmware version %02d.%03d.%02d.%02d", | |
1474 | cs->fwver[0], cs->fwver[1], | |
1475 | cs->fwver[2], cs->fwver[3]); | |
1476 | break; | |
1477 | } | |
1478 | /* fall through */ | |
1479 | case ACT_FAILVER: | |
1480 | cs->gotfwver = -1; | |
1481 | err("could not read firmware version."); | |
1482 | break; | |
1483 | #ifdef CONFIG_GIGASET_DEBUG | |
1484 | case ACT_ERROR: | |
1485 | *p_genresp = 1; | |
1486 | *p_resp_code = RSP_ERROR; | |
1487 | break; | |
1488 | case ACT_TEST: | |
1489 | { | |
1490 | static int count = 3; //2; //1; | |
1491 | *p_genresp = 1; | |
1492 | *p_resp_code = count ? RSP_ERROR : RSP_OK; | |
1493 | if (count > 0) | |
1494 | --count; | |
1495 | } | |
1496 | break; | |
1497 | #endif | |
1498 | case ACT_DEBUG: | |
1499 | dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d", | |
1500 | __func__, ev->type, at_state->ConState); | |
1501 | break; | |
1502 | case ACT_WARN: | |
1503 | warn("%s: resp_code %d in ConState %d!", | |
1504 | __func__, ev->type, at_state->ConState); | |
1505 | break; | |
1506 | case ACT_ZCAU: | |
1507 | warn("cause code %04x in connection state %d.", | |
1508 | ev->parameter, at_state->ConState); | |
1509 | break; | |
1510 | ||
1511 | /* events from the LL */ | |
1512 | case ACT_DIAL: | |
1513 | start_dial(at_state, ev->ptr, ev->parameter); | |
1514 | break; | |
1515 | case ACT_ACCEPT: | |
1516 | start_accept(at_state); | |
1517 | break; | |
1518 | case ACT_PROTO_L2: | |
1519 | dbg(DEBUG_CMD, | |
1520 | "set protocol to %u", (unsigned) ev->parameter); | |
1521 | at_state->bcs->proto2 = ev->parameter; | |
1522 | break; | |
1523 | case ACT_HUP: | |
1524 | at_state->pending_commands |= PC_HUP; | |
1525 | atomic_set(&cs->commands_pending, 1); //FIXME | |
1526 | dbg(DEBUG_CMD, "Scheduling PC_HUP"); | |
1527 | break; | |
1528 | ||
1529 | /* hotplug events */ | |
1530 | case ACT_STOP: | |
1531 | do_stop(cs); | |
1532 | break; | |
1533 | case ACT_START: | |
1534 | do_start(cs); | |
1535 | break; | |
1536 | ||
1537 | /* events from the interface */ // FIXME without ACT_xxxx? | |
1538 | case ACT_IF_LOCK: | |
1539 | cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs); | |
1540 | cs->waiting = 0; | |
1541 | wake_up(&cs->waitqueue); | |
1542 | break; | |
1543 | case ACT_IF_VER: | |
1544 | if (ev->parameter != 0) | |
1545 | cs->cmd_result = -EINVAL; | |
1546 | else if (cs->gotfwver != 1) { | |
1547 | cs->cmd_result = -ENOENT; | |
1548 | } else { | |
1549 | memcpy(ev->arg, cs->fwver, sizeof cs->fwver); | |
1550 | cs->cmd_result = 0; | |
1551 | } | |
1552 | cs->waiting = 0; | |
1553 | wake_up(&cs->waitqueue); | |
1554 | break; | |
1555 | ||
1556 | /* events from the proc file system */ // FIXME without ACT_xxxx? | |
1557 | case ACT_PROC_CIDMODE: | |
1558 | if (ev->parameter != atomic_read(&cs->cidmode)) { | |
1559 | atomic_set(&cs->cidmode, ev->parameter); | |
1560 | if (ev->parameter) { | |
1561 | cs->at_state.pending_commands |= PC_CIDMODE; | |
1562 | dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); | |
1563 | } else { | |
1564 | cs->at_state.pending_commands |= PC_UMMODE; | |
1565 | dbg(DEBUG_CMD, "Scheduling PC_UMMODE"); | |
1566 | } | |
1567 | atomic_set(&cs->commands_pending, 1); | |
1568 | } | |
1569 | cs->waiting = 0; | |
1570 | wake_up(&cs->waitqueue); | |
1571 | break; | |
1572 | ||
1573 | /* events from the hardware drivers */ | |
1574 | case ACT_NOTIFY_BC_DOWN: | |
1575 | bchannel_down(bcs); | |
1576 | break; | |
1577 | case ACT_NOTIFY_BC_UP: | |
1578 | bchannel_up(bcs); | |
1579 | break; | |
1580 | case ACT_SHUTDOWN: | |
1581 | do_shutdown(cs); | |
1582 | break; | |
1583 | ||
1584 | ||
1585 | default: | |
1586 | if (action >= ACT_CMD && action < ACT_CMD + AT_NUM) { | |
1587 | *pp_command = at_state->bcs->commands[action - ACT_CMD]; | |
1588 | if (!*pp_command) { | |
1589 | *p_genresp = 1; | |
1590 | *p_resp_code = RSP_NULL; | |
1591 | } | |
1592 | } else | |
1593 | err("%s: action==%d!", __func__, action); | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | /* State machine to do the calling and hangup procedure */ | |
1598 | static void process_event(struct cardstate *cs, struct event_t *ev) | |
1599 | { | |
1600 | struct bc_state *bcs; | |
1601 | char *p_command = NULL; | |
1602 | struct reply_t *rep; | |
1603 | int rcode; | |
1604 | int genresp = 0; | |
1605 | int resp_code = RSP_ERROR; | |
1606 | int sendcid; | |
1607 | struct at_state_t *at_state; | |
1608 | int index; | |
1609 | int curact; | |
1610 | unsigned long flags; | |
1611 | ||
1612 | IFNULLRET(cs); | |
1613 | IFNULLRET(ev); | |
1614 | ||
1615 | if (ev->cid >= 0) { | |
1616 | at_state = at_state_from_cid(cs, ev->cid); | |
1617 | if (!at_state) { | |
1618 | gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID, | |
1619 | NULL, 0, NULL); | |
1620 | return; | |
1621 | } | |
1622 | } else { | |
1623 | at_state = ev->at_state; | |
1624 | if (at_state_invalid(cs, at_state)) { | |
1625 | dbg(DEBUG_ANY, | |
1626 | "event for invalid at_state %p", at_state); | |
1627 | return; | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | dbg(DEBUG_CMD, | |
1632 | "connection state %d, event %d", at_state->ConState, ev->type); | |
1633 | ||
1634 | bcs = at_state->bcs; | |
1635 | sendcid = at_state->cid; | |
1636 | ||
1637 | /* Setting the pointer to the dial array */ | |
1638 | rep = at_state->replystruct; | |
1639 | IFNULLRET(rep); | |
1640 | ||
1641 | if (ev->type == EV_TIMEOUT) { | |
1642 | if (ev->parameter != atomic_read(&at_state->timer_index) | |
1643 | || !at_state->timer_active) { | |
1644 | ev->type = RSP_NONE; /* old timeout */ | |
1645 | dbg(DEBUG_ANY, "old timeout"); | |
1646 | } else if (!at_state->waiting) | |
1647 | dbg(DEBUG_ANY, "timeout occured"); | |
1648 | else | |
1649 | dbg(DEBUG_ANY, "stopped waiting"); | |
1650 | } | |
1651 | ||
1652 | /* if the response belongs to a variable in at_state->int_var[VAR_XXXX] or at_state->str_var[STR_XXXX], set it */ | |
1653 | if (ev->type >= RSP_VAR && ev->type < RSP_VAR + VAR_NUM) { | |
1654 | index = ev->type - RSP_VAR; | |
1655 | at_state->int_var[index] = ev->parameter; | |
1656 | } else if (ev->type >= RSP_STR && ev->type < RSP_STR + STR_NUM) { | |
1657 | index = ev->type - RSP_STR; | |
1658 | kfree(at_state->str_var[index]); | |
1659 | at_state->str_var[index] = ev->ptr; | |
1660 | ev->ptr = NULL; /* prevent process_events() from deallocating ptr */ | |
1661 | } | |
1662 | ||
1663 | if (ev->type == EV_TIMEOUT || ev->type == RSP_STRING) | |
1664 | at_state->getstring = 0; | |
1665 | ||
1666 | /* Search row in dial array which matches modem response and current constate */ | |
1667 | for (;; rep++) { | |
1668 | rcode = rep->resp_code; | |
1669 | /* dbg (DEBUG_ANY, "rcode %d", rcode); */ | |
1670 | if (rcode == RSP_LAST) { | |
1671 | /* found nothing...*/ | |
1672 | warn("%s: rcode=RSP_LAST: resp_code %d in ConState %d!", | |
1673 | __func__, ev->type, at_state->ConState); | |
1674 | return; | |
1675 | } | |
1676 | if ((rcode == RSP_ANY || rcode == ev->type) | |
1677 | && ((int) at_state->ConState >= rep->min_ConState) | |
1678 | && (rep->max_ConState < 0 | |
1679 | || (int) at_state->ConState <= rep->max_ConState) | |
1680 | && (rep->parameter < 0 || rep->parameter == ev->parameter)) | |
1681 | break; | |
1682 | } | |
1683 | ||
1684 | p_command = rep->command; | |
1685 | ||
1686 | at_state->waiting = 0; | |
1687 | for (curact = 0; curact < MAXACT; ++curact) { | |
1688 | /* The row tells us what we should do .. | |
1689 | */ | |
1690 | do_action(rep->action[curact], cs, bcs, &at_state, &p_command, &genresp, &resp_code, ev); | |
1691 | if (!at_state) | |
1692 | break; /* may be freed after disconnect */ | |
1693 | } | |
1694 | ||
1695 | if (at_state) { | |
1696 | /* Jump to the next con-state regarding the array */ | |
1697 | if (rep->new_ConState >= 0) | |
1698 | at_state->ConState = rep->new_ConState; | |
1699 | ||
1700 | if (genresp) { | |
1701 | spin_lock_irqsave(&cs->lock, flags); | |
1702 | at_state->timer_expires = 0; //FIXME | |
1703 | at_state->timer_active = 0; //FIXME | |
1704 | spin_unlock_irqrestore(&cs->lock, flags); | |
1705 | gigaset_add_event(cs, at_state, resp_code, NULL, 0, NULL); | |
1706 | } else { | |
1707 | /* Send command to modem if not NULL... */ | |
1708 | if (p_command/*rep->command*/) { | |
1709 | if (atomic_read(&cs->connected)) | |
1710 | send_command(cs, p_command, | |
1711 | sendcid, cs->dle, | |
1712 | GFP_ATOMIC); | |
1713 | else | |
1714 | gigaset_add_event(cs, at_state, | |
1715 | RSP_NODEV, | |
1716 | NULL, 0, NULL); | |
1717 | } | |
1718 | ||
1719 | spin_lock_irqsave(&cs->lock, flags); | |
1720 | if (!rep->timeout) { | |
1721 | at_state->timer_expires = 0; | |
1722 | at_state->timer_active = 0; | |
1723 | } else if (rep->timeout > 0) { /* new timeout */ | |
1724 | at_state->timer_expires = rep->timeout * 10; | |
1725 | at_state->timer_active = 1; | |
1726 | new_index(&at_state->timer_index, | |
1727 | MAX_TIMER_INDEX); | |
1728 | } | |
1729 | spin_unlock_irqrestore(&cs->lock, flags); | |
1730 | } | |
1731 | } | |
1732 | } | |
1733 | ||
1734 | static void schedule_sequence(struct cardstate *cs, | |
1735 | struct at_state_t *at_state, int sequence) | |
1736 | { | |
1737 | cs->cur_at_seq = sequence; | |
1738 | gigaset_add_event(cs, at_state, RSP_INIT, NULL, sequence, NULL); | |
1739 | } | |
1740 | ||
1741 | static void process_command_flags(struct cardstate *cs) | |
1742 | { | |
1743 | struct at_state_t *at_state = NULL; | |
1744 | struct bc_state *bcs; | |
1745 | int i; | |
1746 | int sequence; | |
1747 | ||
1748 | IFNULLRET(cs); | |
1749 | ||
1750 | atomic_set(&cs->commands_pending, 0); | |
1751 | ||
1752 | if (cs->cur_at_seq) { | |
1753 | dbg(DEBUG_CMD, "not searching scheduled commands: busy"); | |
1754 | return; | |
1755 | } | |
1756 | ||
1757 | dbg(DEBUG_CMD, "searching scheduled commands"); | |
1758 | ||
1759 | sequence = SEQ_NONE; | |
1760 | ||
1761 | /* clear pending_commands and hangup channels on shutdown */ | |
1762 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1763 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1764 | for (i = 0; i < cs->channels; ++i) { | |
1765 | bcs = cs->bcs + i; | |
1766 | at_state = &bcs->at_state; | |
1767 | at_state->pending_commands &= | |
1768 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1769 | if (at_state->cid > 0) | |
1770 | at_state->pending_commands |= PC_HUP; | |
1771 | if (at_state->pending_commands & PC_CID) { | |
1772 | at_state->pending_commands |= PC_NOCID; | |
1773 | at_state->pending_commands &= ~PC_CID; | |
1774 | } | |
1775 | } | |
1776 | } | |
1777 | ||
1778 | /* clear pending_commands and hangup channels on reset */ | |
1779 | if (cs->at_state.pending_commands & PC_INIT) { | |
1780 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1781 | for (i = 0; i < cs->channels; ++i) { | |
1782 | bcs = cs->bcs + i; | |
1783 | at_state = &bcs->at_state; | |
1784 | at_state->pending_commands &= | |
1785 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1786 | if (at_state->cid > 0) | |
1787 | at_state->pending_commands |= PC_HUP; | |
1788 | if (atomic_read(&cs->mstate) == MS_RECOVER) { | |
1789 | if (at_state->pending_commands & PC_CID) { | |
1790 | at_state->pending_commands |= PC_NOCID; | |
1791 | at_state->pending_commands &= ~PC_CID; | |
1792 | } | |
1793 | } | |
1794 | } | |
1795 | } | |
1796 | ||
1797 | /* only switch back to unimodem mode, if no commands are pending and no channels are up */ | |
1798 | if (cs->at_state.pending_commands == PC_UMMODE | |
1799 | && !atomic_read(&cs->cidmode) | |
1800 | && list_empty(&cs->temp_at_states) | |
1801 | && atomic_read(&cs->mode) == M_CID) { | |
1802 | sequence = SEQ_UMMODE; | |
1803 | at_state = &cs->at_state; | |
1804 | for (i = 0; i < cs->channels; ++i) { | |
1805 | bcs = cs->bcs + i; | |
1806 | if (bcs->at_state.pending_commands || | |
1807 | bcs->at_state.cid > 0) { | |
1808 | sequence = SEQ_NONE; | |
1809 | break; | |
1810 | } | |
1811 | } | |
1812 | } | |
1813 | cs->at_state.pending_commands &= ~PC_UMMODE; | |
1814 | if (sequence != SEQ_NONE) { | |
1815 | schedule_sequence(cs, at_state, sequence); | |
1816 | return; | |
1817 | } | |
1818 | ||
1819 | for (i = 0; i < cs->channels; ++i) { | |
1820 | bcs = cs->bcs + i; | |
1821 | if (bcs->at_state.pending_commands & PC_HUP) { | |
1822 | bcs->at_state.pending_commands &= ~PC_HUP; | |
1823 | if (bcs->at_state.pending_commands & PC_CID) { | |
1824 | /* not yet dialing: PC_NOCID is sufficient */ | |
1825 | bcs->at_state.pending_commands |= PC_NOCID; | |
1826 | bcs->at_state.pending_commands &= ~PC_CID; | |
1827 | } else { | |
1828 | schedule_sequence(cs, &bcs->at_state, SEQ_HUP); | |
1829 | return; | |
1830 | } | |
1831 | } | |
1832 | if (bcs->at_state.pending_commands & PC_NOCID) { | |
1833 | bcs->at_state.pending_commands &= ~PC_NOCID; | |
1834 | cs->curchannel = bcs->channel; | |
1835 | schedule_sequence(cs, &cs->at_state, SEQ_NOCID); | |
1836 | return; | |
1837 | } else if (bcs->at_state.pending_commands & PC_DLE0) { | |
1838 | bcs->at_state.pending_commands &= ~PC_DLE0; | |
1839 | cs->curchannel = bcs->channel; | |
1840 | schedule_sequence(cs, &cs->at_state, SEQ_DLE0); | |
1841 | return; | |
1842 | } | |
1843 | } | |
1844 | ||
1845 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1846 | if (at_state->pending_commands & PC_HUP) { | |
1847 | at_state->pending_commands &= ~PC_HUP; | |
1848 | schedule_sequence(cs, at_state, SEQ_HUP); | |
1849 | return; | |
1850 | } | |
1851 | ||
1852 | if (cs->at_state.pending_commands & PC_INIT) { | |
1853 | cs->at_state.pending_commands &= ~PC_INIT; | |
1854 | cs->dle = 0; //FIXME | |
1855 | cs->inbuf->inputstate = INS_command; | |
1856 | //FIXME reset card state (or -> LOCK0)? | |
1857 | schedule_sequence(cs, &cs->at_state, SEQ_INIT); | |
1858 | return; | |
1859 | } | |
1860 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1861 | cs->at_state.pending_commands &= ~PC_SHUTDOWN; | |
1862 | schedule_sequence(cs, &cs->at_state, SEQ_SHUTDOWN); | |
1863 | return; | |
1864 | } | |
1865 | if (cs->at_state.pending_commands & PC_CIDMODE) { | |
1866 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1867 | if (atomic_read(&cs->mode) == M_UNIMODEM) { | |
1868 | #if 0 | |
1869 | cs->retry_count = 2; | |
1870 | #else | |
1871 | cs->retry_count = 1; | |
1872 | #endif | |
1873 | schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE); | |
1874 | return; | |
1875 | } | |
1876 | } | |
1877 | ||
1878 | for (i = 0; i < cs->channels; ++i) { | |
1879 | bcs = cs->bcs + i; | |
1880 | if (bcs->at_state.pending_commands & PC_DLE1) { | |
1881 | bcs->at_state.pending_commands &= ~PC_DLE1; | |
1882 | cs->curchannel = bcs->channel; | |
1883 | schedule_sequence(cs, &cs->at_state, SEQ_DLE1); | |
1884 | return; | |
1885 | } | |
1886 | if (bcs->at_state.pending_commands & PC_ACCEPT) { | |
1887 | bcs->at_state.pending_commands &= ~PC_ACCEPT; | |
1888 | schedule_sequence(cs, &bcs->at_state, SEQ_ACCEPT); | |
1889 | return; | |
1890 | } | |
1891 | if (bcs->at_state.pending_commands & PC_DIAL) { | |
1892 | bcs->at_state.pending_commands &= ~PC_DIAL; | |
1893 | schedule_sequence(cs, &bcs->at_state, SEQ_DIAL); | |
1894 | return; | |
1895 | } | |
1896 | if (bcs->at_state.pending_commands & PC_CID) { | |
1897 | switch (atomic_read(&cs->mode)) { | |
1898 | case M_UNIMODEM: | |
1899 | cs->at_state.pending_commands |= PC_CIDMODE; | |
1900 | dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); | |
1901 | atomic_set(&cs->commands_pending, 1); | |
1902 | return; | |
1903 | #ifdef GIG_MAYINITONDIAL | |
1904 | case M_UNKNOWN: | |
1905 | schedule_init(cs, MS_INIT); | |
1906 | return; | |
1907 | #endif | |
1908 | } | |
1909 | bcs->at_state.pending_commands &= ~PC_CID; | |
1910 | cs->curchannel = bcs->channel; | |
1911 | #ifdef GIG_RETRYCID | |
1912 | cs->retry_count = 2; | |
1913 | #else | |
1914 | cs->retry_count = 1; | |
1915 | #endif | |
1916 | schedule_sequence(cs, &cs->at_state, SEQ_CID); | |
1917 | return; | |
1918 | } | |
1919 | } | |
1920 | } | |
1921 | ||
1922 | static void process_events(struct cardstate *cs) | |
1923 | { | |
1924 | struct event_t *ev; | |
1925 | unsigned head, tail; | |
1926 | int i; | |
1927 | int check_flags = 0; | |
1928 | int was_busy; | |
1929 | ||
1930 | /* no locking needed (only one reader) */ | |
1931 | head = atomic_read(&cs->ev_head); | |
1932 | ||
1933 | for (i = 0; i < 2 * MAX_EVENTS; ++i) { | |
1934 | tail = atomic_read(&cs->ev_tail); | |
1935 | if (tail == head) { | |
1936 | if (!check_flags && !atomic_read(&cs->commands_pending)) | |
1937 | break; | |
1938 | check_flags = 0; | |
1939 | process_command_flags(cs); | |
1940 | tail = atomic_read(&cs->ev_tail); | |
1941 | if (tail == head) { | |
1942 | if (!atomic_read(&cs->commands_pending)) | |
1943 | break; | |
1944 | continue; | |
1945 | } | |
1946 | } | |
1947 | ||
1948 | ev = cs->events + head; | |
1949 | was_busy = cs->cur_at_seq != SEQ_NONE; | |
1950 | process_event(cs, ev); | |
1951 | kfree(ev->ptr); | |
1952 | ev->ptr = NULL; | |
1953 | if (was_busy && cs->cur_at_seq == SEQ_NONE) | |
1954 | check_flags = 1; | |
1955 | ||
1956 | head = (head + 1) % MAX_EVENTS; | |
1957 | atomic_set(&cs->ev_head, head); | |
1958 | } | |
1959 | ||
1960 | if (i == 2 * MAX_EVENTS) { | |
1961 | err("infinite loop in process_events; aborting."); | |
1962 | } | |
1963 | } | |
1964 | ||
1965 | /* tasklet scheduled on any event received from the Gigaset device | |
1966 | * parameter: | |
1967 | * data ISDN controller state structure | |
1968 | */ | |
1969 | void gigaset_handle_event(unsigned long data) | |
1970 | { | |
1971 | struct cardstate *cs = (struct cardstate *) data; | |
1972 | ||
1973 | IFNULLRET(cs); | |
1974 | IFNULLRET(cs->inbuf); | |
1975 | ||
1976 | /* handle incoming data on control/common channel */ | |
1977 | if (atomic_read(&cs->inbuf->head) != atomic_read(&cs->inbuf->tail)) { | |
1978 | dbg(DEBUG_INTR, "processing new data"); | |
1979 | cs->ops->handle_input(cs->inbuf); | |
1980 | } | |
1981 | ||
1982 | process_events(cs); | |
1983 | } |