Commit | Line | Data |
---|---|---|
14fa73a7 HL |
1 | /* |
2 | * Stuff used by all variants of the driver | |
3 | * | |
70440cf2 | 4 | * Copyright (c) 2001 by Stefan Eilers, |
14fa73a7 HL |
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 | * ===================================================================== | |
14fa73a7 HL |
14 | */ |
15 | ||
16 | #include "gigaset.h" | |
17 | ||
18 | /* ========================================================== */ | |
19 | /* bit masks for pending commands */ | |
917f5085 TS |
20 | #define PC_DIAL 0x001 |
21 | #define PC_HUP 0x002 | |
22 | #define PC_INIT 0x004 | |
23 | #define PC_DLE0 0x008 | |
24 | #define PC_DLE1 0x010 | |
25 | #define PC_SHUTDOWN 0x020 | |
26 | #define PC_ACCEPT 0x040 | |
27 | #define PC_CID 0x080 | |
28 | #define PC_NOCID 0x100 | |
29 | #define PC_CIDMODE 0x200 | |
30 | #define PC_UMMODE 0x400 | |
14fa73a7 HL |
31 | |
32 | /* types of modem responses */ | |
917f5085 TS |
33 | #define RT_NOTHING 0 |
34 | #define RT_ZSAU 1 | |
35 | #define RT_RING 2 | |
36 | #define RT_NUMBER 3 | |
37 | #define RT_STRING 4 | |
38 | #define RT_HEX 5 | |
39 | #define RT_ZCAU 6 | |
14fa73a7 HL |
40 | |
41 | /* Possible ASCII responses */ | |
917f5085 | 42 | #define RSP_OK 0 |
c35a87ff TS |
43 | #define RSP_BUSY 1 |
44 | #define RSP_CONNECT 2 | |
917f5085 TS |
45 | #define RSP_ZGCI 3 |
46 | #define RSP_RING 4 | |
47 | #define RSP_ZAOC 5 | |
48 | #define RSP_ZCSTR 6 | |
49 | #define RSP_ZCFGT 7 | |
50 | #define RSP_ZCFG 8 | |
51 | #define RSP_ZCCR 9 | |
52 | #define RSP_EMPTY 10 | |
53 | #define RSP_ZLOG 11 | |
54 | #define RSP_ZCAU 12 | |
55 | #define RSP_ZMWI 13 | |
56 | #define RSP_ZABINFO 14 | |
57 | #define RSP_ZSMLSTCHG 15 | |
58 | #define RSP_VAR 100 | |
59 | #define RSP_ZSAU (RSP_VAR + VAR_ZSAU) | |
60 | #define RSP_ZDLE (RSP_VAR + VAR_ZDLE) | |
61 | #define RSP_ZVLS (RSP_VAR + VAR_ZVLS) | |
62 | #define RSP_ZCTP (RSP_VAR + VAR_ZCTP) | |
63 | #define RSP_STR (RSP_VAR + VAR_NUM) | |
64 | #define RSP_NMBR (RSP_STR + STR_NMBR) | |
65 | #define RSP_ZCPN (RSP_STR + STR_ZCPN) | |
66 | #define RSP_ZCON (RSP_STR + STR_ZCON) | |
67 | #define RSP_ZBC (RSP_STR + STR_ZBC) | |
68 | #define RSP_ZHLC (RSP_STR + STR_ZHLC) | |
69 | #define RSP_ERROR -1 /* ERROR */ | |
70 | #define RSP_WRONG_CID -2 /* unknown cid in cmd */ | |
917f5085 TS |
71 | #define RSP_UNKNOWN -4 /* unknown response */ |
72 | #define RSP_FAIL -5 /* internal error */ | |
73 | #define RSP_INVAL -6 /* invalid response */ | |
74 | ||
75 | #define RSP_NONE -19 | |
76 | #define RSP_STRING -20 | |
77 | #define RSP_NULL -21 | |
c35a87ff TS |
78 | #define RSP_RETRYFAIL -22 |
79 | #define RSP_RETRY -23 | |
80 | #define RSP_SKIP -24 | |
917f5085 TS |
81 | #define RSP_INIT -27 |
82 | #define RSP_ANY -26 | |
83 | #define RSP_LAST -28 | |
84 | #define RSP_NODEV -9 | |
14fa73a7 HL |
85 | |
86 | /* actions for process_response */ | |
87 | #define ACT_NOTHING 0 | |
88 | #define ACT_SETDLE1 1 | |
89 | #define ACT_SETDLE0 2 | |
90 | #define ACT_FAILINIT 3 | |
91 | #define ACT_HUPMODEM 4 | |
92 | #define ACT_CONFIGMODE 5 | |
93 | #define ACT_INIT 6 | |
94 | #define ACT_DLE0 7 | |
95 | #define ACT_DLE1 8 | |
96 | #define ACT_FAILDLE0 9 | |
97 | #define ACT_FAILDLE1 10 | |
98 | #define ACT_RING 11 | |
99 | #define ACT_CID 12 | |
100 | #define ACT_FAILCID 13 | |
101 | #define ACT_SDOWN 14 | |
102 | #define ACT_FAILSDOWN 15 | |
103 | #define ACT_DEBUG 16 | |
104 | #define ACT_WARN 17 | |
105 | #define ACT_DIALING 18 | |
106 | #define ACT_ABORTDIAL 19 | |
107 | #define ACT_DISCONNECT 20 | |
108 | #define ACT_CONNECT 21 | |
109 | #define ACT_REMOTEREJECT 22 | |
917f5085 | 110 | #define ACT_CONNTIMEOUT 23 |
14fa73a7 HL |
111 | #define ACT_REMOTEHUP 24 |
112 | #define ACT_ABORTHUP 25 | |
113 | #define ACT_ICALL 26 | |
114 | #define ACT_ACCEPTED 27 | |
115 | #define ACT_ABORTACCEPT 28 | |
116 | #define ACT_TIMEOUT 29 | |
117 | #define ACT_GETSTRING 30 | |
118 | #define ACT_SETVER 31 | |
119 | #define ACT_FAILVER 32 | |
120 | #define ACT_GOTVER 33 | |
121 | #define ACT_TEST 34 | |
122 | #define ACT_ERROR 35 | |
123 | #define ACT_ABORTCID 36 | |
124 | #define ACT_ZCAU 37 | |
917f5085 TS |
125 | #define ACT_NOTIFY_BC_DOWN 38 |
126 | #define ACT_NOTIFY_BC_UP 39 | |
127 | #define ACT_DIAL 40 | |
128 | #define ACT_ACCEPT 41 | |
917f5085 TS |
129 | #define ACT_HUP 43 |
130 | #define ACT_IF_LOCK 44 | |
131 | #define ACT_START 45 | |
132 | #define ACT_STOP 46 | |
133 | #define ACT_FAKEDLE0 47 | |
134 | #define ACT_FAKEHUP 48 | |
135 | #define ACT_FAKESDOWN 49 | |
136 | #define ACT_SHUTDOWN 50 | |
137 | #define ACT_PROC_CIDMODE 51 | |
138 | #define ACT_UMODESET 52 | |
139 | #define ACT_FAILUMODE 53 | |
140 | #define ACT_CMODESET 54 | |
141 | #define ACT_FAILCMODE 55 | |
142 | #define ACT_IF_VER 56 | |
14fa73a7 HL |
143 | #define ACT_CMD 100 |
144 | ||
145 | /* at command sequences */ | |
917f5085 TS |
146 | #define SEQ_NONE 0 |
147 | #define SEQ_INIT 100 | |
148 | #define SEQ_DLE0 200 | |
149 | #define SEQ_DLE1 250 | |
150 | #define SEQ_CID 300 | |
151 | #define SEQ_NOCID 350 | |
152 | #define SEQ_HUP 400 | |
153 | #define SEQ_DIAL 600 | |
154 | #define SEQ_ACCEPT 720 | |
155 | #define SEQ_SHUTDOWN 500 | |
156 | #define SEQ_CIDMODE 10 | |
157 | #define SEQ_UMMODE 11 | |
14fa73a7 HL |
158 | |
159 | ||
c35a87ff TS |
160 | /* 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), |
161 | * 400: hup, 500: reset, 600: dial, 700: ring */ | |
528efc6a | 162 | struct reply_t gigaset_tab_nocid[] = |
14fa73a7 | 163 | { |
c35a87ff TS |
164 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, |
165 | * action, command */ | |
166 | ||
167 | /* initialize device, set cid mode if possible */ | |
168 | {RSP_INIT, -1, -1, SEQ_INIT, 100, 1, {ACT_TIMEOUT} }, | |
169 | ||
170 | {EV_TIMEOUT, 100, 100, -1, 101, 3, {0}, "Z\r"}, | |
171 | {RSP_OK, 101, 103, -1, 120, 5, {ACT_GETSTRING}, | |
172 | "+GMR\r"}, | |
173 | ||
174 | {EV_TIMEOUT, 101, 101, -1, 102, 5, {0}, "Z\r"}, | |
175 | {RSP_ERROR, 101, 101, -1, 102, 5, {0}, "Z\r"}, | |
176 | ||
177 | {EV_TIMEOUT, 102, 102, -1, 108, 5, {ACT_SETDLE1}, | |
178 | "^SDLE=0\r"}, | |
179 | {RSP_OK, 108, 108, -1, 104, -1}, | |
180 | {RSP_ZDLE, 104, 104, 0, 103, 5, {0}, "Z\r"}, | |
181 | {EV_TIMEOUT, 104, 104, -1, 0, 0, {ACT_FAILINIT} }, | |
182 | {RSP_ERROR, 108, 108, -1, 0, 0, {ACT_FAILINIT} }, | |
183 | ||
184 | {EV_TIMEOUT, 108, 108, -1, 105, 2, {ACT_SETDLE0, | |
185 | ACT_HUPMODEM, | |
186 | ACT_TIMEOUT} }, | |
187 | {EV_TIMEOUT, 105, 105, -1, 103, 5, {0}, "Z\r"}, | |
188 | ||
189 | {RSP_ERROR, 102, 102, -1, 107, 5, {0}, "^GETPRE\r"}, | |
190 | {RSP_OK, 107, 107, -1, 0, 0, {ACT_CONFIGMODE} }, | |
191 | {RSP_ERROR, 107, 107, -1, 0, 0, {ACT_FAILINIT} }, | |
192 | {EV_TIMEOUT, 107, 107, -1, 0, 0, {ACT_FAILINIT} }, | |
193 | ||
194 | {RSP_ERROR, 103, 103, -1, 0, 0, {ACT_FAILINIT} }, | |
195 | {EV_TIMEOUT, 103, 103, -1, 0, 0, {ACT_FAILINIT} }, | |
196 | ||
197 | {RSP_STRING, 120, 120, -1, 121, -1, {ACT_SETVER} }, | |
198 | ||
199 | {EV_TIMEOUT, 120, 121, -1, 0, 0, {ACT_FAILVER, | |
200 | ACT_INIT} }, | |
201 | {RSP_ERROR, 120, 121, -1, 0, 0, {ACT_FAILVER, | |
202 | ACT_INIT} }, | |
203 | {RSP_OK, 121, 121, -1, 0, 0, {ACT_GOTVER, | |
204 | ACT_INIT} }, | |
205 | ||
206 | /* leave dle mode */ | |
207 | {RSP_INIT, 0, 0, SEQ_DLE0, 201, 5, {0}, "^SDLE=0\r"}, | |
208 | {RSP_OK, 201, 201, -1, 202, -1}, | |
209 | {RSP_ZDLE, 202, 202, 0, 0, 0, {ACT_DLE0} }, | |
210 | {RSP_NODEV, 200, 249, -1, 0, 0, {ACT_FAKEDLE0} }, | |
211 | {RSP_ERROR, 200, 249, -1, 0, 0, {ACT_FAILDLE0} }, | |
212 | {EV_TIMEOUT, 200, 249, -1, 0, 0, {ACT_FAILDLE0} }, | |
213 | ||
214 | /* enter dle mode */ | |
215 | {RSP_INIT, 0, 0, SEQ_DLE1, 251, 5, {0}, "^SDLE=1\r"}, | |
216 | {RSP_OK, 251, 251, -1, 252, -1}, | |
217 | {RSP_ZDLE, 252, 252, 1, 0, 0, {ACT_DLE1} }, | |
218 | {RSP_ERROR, 250, 299, -1, 0, 0, {ACT_FAILDLE1} }, | |
219 | {EV_TIMEOUT, 250, 299, -1, 0, 0, {ACT_FAILDLE1} }, | |
220 | ||
221 | /* incoming call */ | |
222 | {RSP_RING, -1, -1, -1, -1, -1, {ACT_RING} }, | |
223 | ||
224 | /* get cid */ | |
225 | {RSP_INIT, 0, 0, SEQ_CID, 301, 5, {0}, "^SGCI?\r"}, | |
226 | {RSP_OK, 301, 301, -1, 302, -1}, | |
227 | {RSP_ZGCI, 302, 302, -1, 0, 0, {ACT_CID} }, | |
228 | {RSP_ERROR, 301, 349, -1, 0, 0, {ACT_FAILCID} }, | |
229 | {EV_TIMEOUT, 301, 349, -1, 0, 0, {ACT_FAILCID} }, | |
230 | ||
231 | /* enter cid mode */ | |
232 | {RSP_INIT, 0, 0, SEQ_CIDMODE, 150, 5, {0}, "^SGCI=1\r"}, | |
233 | {RSP_OK, 150, 150, -1, 0, 0, {ACT_CMODESET} }, | |
234 | {RSP_ERROR, 150, 150, -1, 0, 0, {ACT_FAILCMODE} }, | |
235 | {EV_TIMEOUT, 150, 150, -1, 0, 0, {ACT_FAILCMODE} }, | |
236 | ||
237 | /* leave cid mode */ | |
238 | {RSP_INIT, 0, 0, SEQ_UMMODE, 160, 5, {0}, "Z\r"}, | |
239 | {RSP_OK, 160, 160, -1, 0, 0, {ACT_UMODESET} }, | |
240 | {RSP_ERROR, 160, 160, -1, 0, 0, {ACT_FAILUMODE} }, | |
241 | {EV_TIMEOUT, 160, 160, -1, 0, 0, {ACT_FAILUMODE} }, | |
242 | ||
243 | /* abort getting cid */ | |
244 | {RSP_INIT, 0, 0, SEQ_NOCID, 0, 0, {ACT_ABORTCID} }, | |
245 | ||
246 | /* reset */ | |
247 | {RSP_INIT, 0, 0, SEQ_SHUTDOWN, 504, 5, {0}, "Z\r"}, | |
248 | {RSP_OK, 504, 504, -1, 0, 0, {ACT_SDOWN} }, | |
249 | {RSP_ERROR, 501, 599, -1, 0, 0, {ACT_FAILSDOWN} }, | |
250 | {EV_TIMEOUT, 501, 599, -1, 0, 0, {ACT_FAILSDOWN} }, | |
251 | {RSP_NODEV, 501, 599, -1, 0, 0, {ACT_FAKESDOWN} }, | |
252 | ||
253 | {EV_PROC_CIDMODE, -1, -1, -1, -1, -1, {ACT_PROC_CIDMODE} }, | |
254 | {EV_IF_LOCK, -1, -1, -1, -1, -1, {ACT_IF_LOCK} }, | |
255 | {EV_IF_VER, -1, -1, -1, -1, -1, {ACT_IF_VER} }, | |
256 | {EV_START, -1, -1, -1, -1, -1, {ACT_START} }, | |
257 | {EV_STOP, -1, -1, -1, -1, -1, {ACT_STOP} }, | |
258 | {EV_SHUTDOWN, -1, -1, -1, -1, -1, {ACT_SHUTDOWN} }, | |
259 | ||
260 | /* misc. */ | |
261 | {RSP_ERROR, -1, -1, -1, -1, -1, {ACT_ERROR} }, | |
262 | {RSP_ZCFGT, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
263 | {RSP_ZCFG, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
264 | {RSP_ZLOG, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
265 | {RSP_ZMWI, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
266 | {RSP_ZABINFO, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
267 | {RSP_ZSMLSTCHG, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
268 | ||
269 | {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, | |
270 | {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
271 | {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, | |
272 | {RSP_LAST} | |
14fa73a7 HL |
273 | }; |
274 | ||
c35a87ff TS |
275 | /* 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, |
276 | * 400: hup, 750: accepted icall */ | |
528efc6a | 277 | struct reply_t gigaset_tab_cid[] = |
14fa73a7 | 278 | { |
c35a87ff TS |
279 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, |
280 | * action, command */ | |
281 | ||
282 | /* dial */ | |
283 | {EV_DIAL, -1, -1, -1, -1, -1, {ACT_DIAL} }, | |
284 | {RSP_INIT, 0, 0, SEQ_DIAL, 601, 5, {ACT_CMD+AT_BC} }, | |
285 | {RSP_OK, 601, 601, -1, 602, 5, {ACT_CMD+AT_HLC} }, | |
286 | {RSP_NULL, 602, 602, -1, 603, 5, {ACT_CMD+AT_PROTO} }, | |
287 | {RSP_OK, 602, 602, -1, 603, 5, {ACT_CMD+AT_PROTO} }, | |
288 | {RSP_OK, 603, 603, -1, 604, 5, {ACT_CMD+AT_TYPE} }, | |
289 | {RSP_OK, 604, 604, -1, 605, 5, {ACT_CMD+AT_MSN} }, | |
290 | {RSP_NULL, 605, 605, -1, 606, 5, {ACT_CMD+AT_CLIP} }, | |
291 | {RSP_OK, 605, 605, -1, 606, 5, {ACT_CMD+AT_CLIP} }, | |
292 | {RSP_NULL, 606, 606, -1, 607, 5, {ACT_CMD+AT_ISO} }, | |
293 | {RSP_OK, 606, 606, -1, 607, 5, {ACT_CMD+AT_ISO} }, | |
294 | {RSP_OK, 607, 607, -1, 608, 5, {0}, "+VLS=17\r"}, | |
295 | {RSP_OK, 608, 608, -1, 609, -1}, | |
296 | {RSP_ZSAU, 609, 609, ZSAU_PROCEEDING, 610, 5, {ACT_CMD+AT_DIAL} }, | |
297 | {RSP_OK, 610, 610, -1, 650, 0, {ACT_DIALING} }, | |
298 | ||
299 | {RSP_ERROR, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} }, | |
300 | {EV_TIMEOUT, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} }, | |
301 | ||
302 | /* optional dialing responses */ | |
303 | {EV_BC_OPEN, 650, 650, -1, 651, -1}, | |
304 | {RSP_ZVLS, 609, 651, 17, -1, -1, {ACT_DEBUG} }, | |
305 | {RSP_ZCTP, 610, 651, -1, -1, -1, {ACT_DEBUG} }, | |
306 | {RSP_ZCPN, 610, 651, -1, -1, -1, {ACT_DEBUG} }, | |
307 | {RSP_ZSAU, 650, 651, ZSAU_CALL_DELIVERED, -1, -1, {ACT_DEBUG} }, | |
308 | ||
309 | /* connect */ | |
310 | {RSP_ZSAU, 650, 650, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT} }, | |
311 | {RSP_ZSAU, 651, 651, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT, | |
312 | ACT_NOTIFY_BC_UP} }, | |
313 | {RSP_ZSAU, 750, 750, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT} }, | |
314 | {RSP_ZSAU, 751, 751, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT, | |
315 | ACT_NOTIFY_BC_UP} }, | |
316 | {EV_BC_OPEN, 800, 800, -1, 800, -1, {ACT_NOTIFY_BC_UP} }, | |
317 | ||
318 | /* remote hangup */ | |
319 | {RSP_ZSAU, 650, 651, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT} }, | |
320 | {RSP_ZSAU, 750, 751, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP} }, | |
321 | {RSP_ZSAU, 800, 800, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP} }, | |
322 | ||
323 | /* hangup */ | |
324 | {EV_HUP, -1, -1, -1, -1, -1, {ACT_HUP} }, | |
325 | {RSP_INIT, -1, -1, SEQ_HUP, 401, 5, {0}, "+VLS=0\r"}, | |
326 | {RSP_OK, 401, 401, -1, 402, 5}, | |
327 | {RSP_ZVLS, 402, 402, 0, 403, 5}, | |
328 | {RSP_ZSAU, 403, 403, ZSAU_DISCONNECT_REQ, -1, -1, {ACT_DEBUG} }, | |
329 | {RSP_ZSAU, 403, 403, ZSAU_NULL, 0, 0, {ACT_DISCONNECT} }, | |
330 | {RSP_NODEV, 401, 403, -1, 0, 0, {ACT_FAKEHUP} }, | |
331 | {RSP_ERROR, 401, 401, -1, 0, 0, {ACT_ABORTHUP} }, | |
332 | {EV_TIMEOUT, 401, 403, -1, 0, 0, {ACT_ABORTHUP} }, | |
333 | ||
334 | {EV_BC_CLOSED, 0, 0, -1, 0, -1, {ACT_NOTIFY_BC_DOWN} }, | |
335 | ||
336 | /* ring */ | |
337 | {RSP_ZBC, 700, 700, -1, -1, -1, {0} }, | |
338 | {RSP_ZHLC, 700, 700, -1, -1, -1, {0} }, | |
339 | {RSP_NMBR, 700, 700, -1, -1, -1, {0} }, | |
340 | {RSP_ZCPN, 700, 700, -1, -1, -1, {0} }, | |
341 | {RSP_ZCTP, 700, 700, -1, -1, -1, {0} }, | |
342 | {EV_TIMEOUT, 700, 700, -1, 720, 720, {ACT_ICALL} }, | |
343 | {EV_BC_CLOSED, 720, 720, -1, 0, -1, {ACT_NOTIFY_BC_DOWN} }, | |
344 | ||
345 | /*accept icall*/ | |
346 | {EV_ACCEPT, -1, -1, -1, -1, -1, {ACT_ACCEPT} }, | |
347 | {RSP_INIT, 720, 720, SEQ_ACCEPT, 721, 5, {ACT_CMD+AT_PROTO} }, | |
348 | {RSP_OK, 721, 721, -1, 722, 5, {ACT_CMD+AT_ISO} }, | |
349 | {RSP_OK, 722, 722, -1, 723, 5, {0}, "+VLS=17\r"}, | |
350 | {RSP_OK, 723, 723, -1, 724, 5, {0} }, | |
351 | {RSP_ZVLS, 724, 724, 17, 750, 50, {ACT_ACCEPTED} }, | |
352 | {RSP_ERROR, 721, 729, -1, 0, 0, {ACT_ABORTACCEPT} }, | |
353 | {EV_TIMEOUT, 721, 729, -1, 0, 0, {ACT_ABORTACCEPT} }, | |
354 | {RSP_ZSAU, 700, 729, ZSAU_NULL, 0, 0, {ACT_ABORTACCEPT} }, | |
355 | {RSP_ZSAU, 700, 729, ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT} }, | |
356 | {RSP_ZSAU, 700, 729, ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT} }, | |
357 | ||
358 | {EV_BC_OPEN, 750, 750, -1, 751, -1}, | |
359 | {EV_TIMEOUT, 750, 751, -1, 0, 0, {ACT_CONNTIMEOUT} }, | |
360 | ||
361 | /* B channel closed (general case) */ | |
362 | {EV_BC_CLOSED, -1, -1, -1, -1, -1, {ACT_NOTIFY_BC_DOWN} }, | |
363 | ||
364 | /* misc. */ | |
365 | {RSP_ZCON, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
366 | {RSP_ZCCR, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
367 | {RSP_ZAOC, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
368 | {RSP_ZCSTR, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
369 | ||
370 | {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, | |
371 | {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
372 | {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, | |
373 | {RSP_LAST} | |
14fa73a7 HL |
374 | }; |
375 | ||
376 | ||
35dc8457 | 377 | static const struct resp_type_t resp_type[] = |
14fa73a7 | 378 | { |
917f5085 TS |
379 | {"OK", RSP_OK, RT_NOTHING}, |
380 | {"ERROR", RSP_ERROR, RT_NOTHING}, | |
381 | {"ZSAU", RSP_ZSAU, RT_ZSAU}, | |
382 | {"ZCAU", RSP_ZCAU, RT_ZCAU}, | |
383 | {"RING", RSP_RING, RT_RING}, | |
384 | {"ZGCI", RSP_ZGCI, RT_NUMBER}, | |
385 | {"ZVLS", RSP_ZVLS, RT_NUMBER}, | |
386 | {"ZCTP", RSP_ZCTP, RT_NUMBER}, | |
387 | {"ZDLE", RSP_ZDLE, RT_NUMBER}, | |
388 | {"ZCFGT", RSP_ZCFGT, RT_NUMBER}, | |
389 | {"ZCCR", RSP_ZCCR, RT_NUMBER}, | |
390 | {"ZMWI", RSP_ZMWI, RT_NUMBER}, | |
391 | {"ZHLC", RSP_ZHLC, RT_STRING}, | |
392 | {"ZBC", RSP_ZBC, RT_STRING}, | |
393 | {"NMBR", RSP_NMBR, RT_STRING}, | |
394 | {"ZCPN", RSP_ZCPN, RT_STRING}, | |
395 | {"ZCON", RSP_ZCON, RT_STRING}, | |
396 | {"ZAOC", RSP_ZAOC, RT_STRING}, | |
397 | {"ZCSTR", RSP_ZCSTR, RT_STRING}, | |
398 | {"ZCFG", RSP_ZCFG, RT_HEX}, | |
399 | {"ZLOG", RSP_ZLOG, RT_NOTHING}, | |
400 | {"ZABINFO", RSP_ZABINFO, RT_NOTHING}, | |
401 | {"ZSMLSTCHG", RSP_ZSMLSTCHG, RT_NOTHING}, | |
c35a87ff | 402 | {NULL, 0, 0} |
14fa73a7 HL |
403 | }; |
404 | ||
405 | /* | |
406 | * Get integer from char-pointer | |
407 | */ | |
408 | static int isdn_getnum(char *p) | |
409 | { | |
410 | int v = -1; | |
411 | ||
784d5858 | 412 | gig_dbg(DEBUG_TRANSCMD, "string: %s", p); |
14fa73a7 HL |
413 | |
414 | while (*p >= '0' && *p <= '9') | |
415 | v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0'); | |
416 | if (*p) | |
417 | v = -1; /* invalid Character */ | |
418 | return v; | |
419 | } | |
420 | ||
421 | /* | |
422 | * Get integer from char-pointer | |
423 | */ | |
424 | static int isdn_gethex(char *p) | |
425 | { | |
426 | int v = 0; | |
427 | int c; | |
428 | ||
784d5858 | 429 | gig_dbg(DEBUG_TRANSCMD, "string: %s", p); |
14fa73a7 HL |
430 | |
431 | if (!*p) | |
432 | return -1; | |
433 | ||
434 | do { | |
435 | if (v > (INT_MAX - 15) / 16) | |
436 | return -1; | |
437 | c = *p; | |
438 | if (c >= '0' && c <= '9') | |
439 | c -= '0'; | |
440 | else if (c >= 'a' && c <= 'f') | |
441 | c -= 'a' - 10; | |
442 | else if (c >= 'A' && c <= 'F') | |
443 | c -= 'A' - 10; | |
444 | else | |
445 | return -1; | |
446 | v = v * 16 + c; | |
447 | } while (*++p); | |
448 | ||
449 | return v; | |
450 | } | |
451 | ||
14fa73a7 HL |
452 | /* retrieve CID from parsed response |
453 | * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535 | |
454 | */ | |
455 | static int cid_of_response(char *s) | |
456 | { | |
457 | int cid; | |
458 | ||
459 | if (s[-1] != ';') | |
460 | return 0; /* no CID separator */ | |
461 | cid = isdn_getnum(s); | |
462 | if (cid < 0) | |
463 | return 0; /* CID not numeric */ | |
464 | if (cid < 1 || cid > 65535) | |
465 | return -1; /* CID out of range */ | |
466 | return cid; | |
14fa73a7 HL |
467 | } |
468 | ||
1cec9727 TS |
469 | /** |
470 | * gigaset_handle_modem_response() - process received modem response | |
471 | * @cs: device descriptor structure. | |
472 | * | |
473 | * Called by asyncdata/isocdata if a block of data received from the | |
474 | * device must be processed as a modem command response. The data is | |
475 | * already in the cs structure. | |
14fa73a7 HL |
476 | */ |
477 | void gigaset_handle_modem_response(struct cardstate *cs) | |
478 | { | |
479 | unsigned char *argv[MAX_REC_PARAMS + 1]; | |
480 | int params; | |
481 | int i, j; | |
35dc8457 | 482 | const struct resp_type_t *rt; |
14fa73a7 HL |
483 | int curarg; |
484 | unsigned long flags; | |
485 | unsigned next, tail, head; | |
486 | struct event_t *event; | |
487 | int resp_code; | |
488 | int param_type; | |
489 | int abort; | |
490 | size_t len; | |
491 | int cid; | |
492 | int rawstring; | |
493 | ||
14fa73a7 HL |
494 | len = cs->cbytes; |
495 | if (!len) { | |
496 | /* ignore additional LFs/CRs (M10x config mode or cx100) */ | |
784d5858 | 497 | gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]); |
14fa73a7 HL |
498 | return; |
499 | } | |
500 | cs->respdata[len] = 0; | |
784d5858 | 501 | gig_dbg(DEBUG_TRANSCMD, "raw string: '%s'", cs->respdata); |
14fa73a7 HL |
502 | argv[0] = cs->respdata; |
503 | params = 1; | |
504 | if (cs->at_state.getstring) { | |
505 | /* getstring only allowed without cid at the moment */ | |
506 | cs->at_state.getstring = 0; | |
507 | rawstring = 1; | |
508 | cid = 0; | |
509 | } else { | |
510 | /* parse line */ | |
511 | for (i = 0; i < len; i++) | |
512 | switch (cs->respdata[i]) { | |
513 | case ';': | |
514 | case ',': | |
515 | case '=': | |
516 | if (params > MAX_REC_PARAMS) { | |
784d5858 TS |
517 | dev_warn(cs->dev, |
518 | "too many parameters in response\n"); | |
14fa73a7 HL |
519 | /* need last parameter (might be CID) */ |
520 | params--; | |
521 | } | |
522 | argv[params++] = cs->respdata + i + 1; | |
523 | } | |
524 | ||
525 | rawstring = 0; | |
526 | cid = params > 1 ? cid_of_response(argv[params-1]) : 0; | |
527 | if (cid < 0) { | |
528 | gigaset_add_event(cs, &cs->at_state, RSP_INVAL, | |
784d5858 | 529 | NULL, 0, NULL); |
14fa73a7 HL |
530 | return; |
531 | } | |
532 | ||
533 | for (j = 1; j < params; ++j) | |
534 | argv[j][-1] = 0; | |
535 | ||
784d5858 | 536 | gig_dbg(DEBUG_TRANSCMD, "CMD received: %s", argv[0]); |
14fa73a7 HL |
537 | if (cid) { |
538 | --params; | |
784d5858 | 539 | gig_dbg(DEBUG_TRANSCMD, "CID: %s", argv[params]); |
14fa73a7 | 540 | } |
784d5858 | 541 | gig_dbg(DEBUG_TRANSCMD, "available params: %d", params - 1); |
14fa73a7 | 542 | for (j = 1; j < params; j++) |
784d5858 | 543 | gig_dbg(DEBUG_TRANSCMD, "param %d: %s", j, argv[j]); |
14fa73a7 HL |
544 | } |
545 | ||
546 | spin_lock_irqsave(&cs->ev_lock, flags); | |
69049cc8 TS |
547 | head = cs->ev_head; |
548 | tail = cs->ev_tail; | |
14fa73a7 HL |
549 | |
550 | abort = 1; | |
551 | curarg = 0; | |
552 | while (curarg < params) { | |
553 | next = (tail + 1) % MAX_EVENTS; | |
554 | if (unlikely(next == head)) { | |
784d5858 | 555 | dev_err(cs->dev, "event queue full\n"); |
14fa73a7 HL |
556 | break; |
557 | } | |
558 | ||
559 | event = cs->events + tail; | |
560 | event->at_state = NULL; | |
561 | event->cid = cid; | |
562 | event->ptr = NULL; | |
563 | event->arg = NULL; | |
564 | tail = next; | |
565 | ||
566 | if (rawstring) { | |
567 | resp_code = RSP_STRING; | |
568 | param_type = RT_STRING; | |
569 | } else { | |
570 | for (rt = resp_type; rt->response; ++rt) | |
571 | if (!strcmp(argv[curarg], rt->response)) | |
572 | break; | |
573 | ||
574 | if (!rt->response) { | |
575 | event->type = RSP_UNKNOWN; | |
784d5858 TS |
576 | dev_warn(cs->dev, |
577 | "unknown modem response: %s\n", | |
578 | argv[curarg]); | |
14fa73a7 HL |
579 | break; |
580 | } | |
581 | ||
582 | resp_code = rt->resp_code; | |
583 | param_type = rt->type; | |
584 | ++curarg; | |
585 | } | |
586 | ||
587 | event->type = resp_code; | |
588 | ||
589 | switch (param_type) { | |
590 | case RT_NOTHING: | |
591 | break; | |
592 | case RT_RING: | |
593 | if (!cid) { | |
784d5858 TS |
594 | dev_err(cs->dev, |
595 | "received RING without CID!\n"); | |
14fa73a7 HL |
596 | event->type = RSP_INVAL; |
597 | abort = 1; | |
598 | } else { | |
599 | event->cid = 0; | |
600 | event->parameter = cid; | |
601 | abort = 0; | |
602 | } | |
603 | break; | |
604 | case RT_ZSAU: | |
605 | if (curarg >= params) { | |
606 | event->parameter = ZSAU_NONE; | |
607 | break; | |
608 | } | |
609 | if (!strcmp(argv[curarg], "OUTGOING_CALL_PROCEEDING")) | |
c35a87ff TS |
610 | event->parameter = |
611 | ZSAU_OUTGOING_CALL_PROCEEDING; | |
14fa73a7 HL |
612 | else if (!strcmp(argv[curarg], "CALL_DELIVERED")) |
613 | event->parameter = ZSAU_CALL_DELIVERED; | |
614 | else if (!strcmp(argv[curarg], "ACTIVE")) | |
615 | event->parameter = ZSAU_ACTIVE; | |
616 | else if (!strcmp(argv[curarg], "DISCONNECT_IND")) | |
617 | event->parameter = ZSAU_DISCONNECT_IND; | |
618 | else if (!strcmp(argv[curarg], "NULL")) | |
619 | event->parameter = ZSAU_NULL; | |
620 | else if (!strcmp(argv[curarg], "DISCONNECT_REQ")) | |
621 | event->parameter = ZSAU_DISCONNECT_REQ; | |
622 | else { | |
623 | event->parameter = ZSAU_UNKNOWN; | |
784d5858 TS |
624 | dev_warn(cs->dev, |
625 | "%s: unknown parameter %s after ZSAU\n", | |
626 | __func__, argv[curarg]); | |
14fa73a7 HL |
627 | } |
628 | ++curarg; | |
629 | break; | |
630 | case RT_STRING: | |
631 | if (curarg < params) { | |
784d5858 TS |
632 | event->ptr = kstrdup(argv[curarg], GFP_ATOMIC); |
633 | if (!event->ptr) | |
634 | dev_err(cs->dev, "out of memory\n"); | |
14fa73a7 HL |
635 | ++curarg; |
636 | } | |
236b87c2 TS |
637 | gig_dbg(DEBUG_CMD, "string==%s", |
638 | event->ptr ? (char *) event->ptr : "NULL"); | |
14fa73a7 HL |
639 | break; |
640 | case RT_ZCAU: | |
641 | event->parameter = -1; | |
642 | if (curarg + 1 < params) { | |
643 | i = isdn_gethex(argv[curarg]); | |
644 | j = isdn_gethex(argv[curarg + 1]); | |
645 | if (i >= 0 && i < 256 && j >= 0 && j < 256) | |
646 | event->parameter = (unsigned) i << 8 | |
784d5858 | 647 | | j; |
14fa73a7 HL |
648 | curarg += 2; |
649 | } else | |
650 | curarg = params - 1; | |
651 | break; | |
652 | case RT_NUMBER: | |
653 | case RT_HEX: | |
654 | if (curarg < params) { | |
655 | if (param_type == RT_HEX) | |
656 | event->parameter = | |
657 | isdn_gethex(argv[curarg]); | |
658 | else | |
659 | event->parameter = | |
660 | isdn_getnum(argv[curarg]); | |
661 | ++curarg; | |
662 | } else | |
663 | event->parameter = -1; | |
784d5858 | 664 | gig_dbg(DEBUG_CMD, "parameter==%d", event->parameter); |
14fa73a7 HL |
665 | break; |
666 | } | |
667 | ||
668 | if (resp_code == RSP_ZDLE) | |
669 | cs->dle = event->parameter; | |
670 | ||
671 | if (abort) | |
672 | break; | |
673 | } | |
674 | ||
69049cc8 | 675 | cs->ev_tail = tail; |
14fa73a7 HL |
676 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
677 | ||
678 | if (curarg != params) | |
784d5858 TS |
679 | gig_dbg(DEBUG_ANY, |
680 | "invalid number of processed parameters: %d/%d", | |
681 | curarg, params); | |
14fa73a7 HL |
682 | } |
683 | EXPORT_SYMBOL_GPL(gigaset_handle_modem_response); | |
684 | ||
685 | /* disconnect | |
686 | * process closing of connection associated with given AT state structure | |
687 | */ | |
688 | static void disconnect(struct at_state_t **at_state_p) | |
689 | { | |
690 | unsigned long flags; | |
d48c7784 TS |
691 | struct bc_state *bcs = (*at_state_p)->bcs; |
692 | struct cardstate *cs = (*at_state_p)->cs; | |
14fa73a7 | 693 | |
69049cc8 TS |
694 | spin_lock_irqsave(&cs->lock, flags); |
695 | ++(*at_state_p)->seq_index; | |
14fa73a7 HL |
696 | |
697 | /* revert to selected idle mode */ | |
69049cc8 | 698 | if (!cs->cidmode) { |
14fa73a7 | 699 | cs->at_state.pending_commands |= PC_UMMODE; |
9d4bee2b | 700 | cs->commands_pending = 1; |
784d5858 | 701 | gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE"); |
14fa73a7 | 702 | } |
69049cc8 | 703 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
704 | |
705 | if (bcs) { | |
706 | /* B channel assigned: invoke hardware specific handler */ | |
707 | cs->ops->close_bchannel(bcs); | |
3305adff TS |
708 | /* notify LL */ |
709 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
710 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
088ec0cc | 711 | gigaset_isdn_hupD(bcs); |
3305adff | 712 | } |
14fa73a7 HL |
713 | } else { |
714 | /* no B channel assigned: just deallocate */ | |
715 | spin_lock_irqsave(&cs->lock, flags); | |
716 | list_del(&(*at_state_p)->list); | |
717 | kfree(*at_state_p); | |
718 | *at_state_p = NULL; | |
719 | spin_unlock_irqrestore(&cs->lock, flags); | |
720 | } | |
721 | } | |
722 | ||
723 | /* get_free_channel | |
724 | * get a free AT state structure: either one of those associated with the | |
725 | * B channels of the Gigaset device, or if none of those is available, | |
726 | * a newly allocated one with bcs=NULL | |
727 | * The structure should be freed by calling disconnect() after use. | |
728 | */ | |
729 | static inline struct at_state_t *get_free_channel(struct cardstate *cs, | |
784d5858 | 730 | int cid) |
14fa73a7 HL |
731 | /* cids: >0: siemens-cid |
732 | 0: without cid | |
733 | -1: no cid assigned yet | |
734 | */ | |
735 | { | |
736 | unsigned long flags; | |
737 | int i; | |
738 | struct at_state_t *ret; | |
739 | ||
740 | for (i = 0; i < cs->channels; ++i) | |
741 | if (gigaset_get_channel(cs->bcs + i)) { | |
742 | ret = &cs->bcs[i].at_state; | |
743 | ret->cid = cid; | |
744 | return ret; | |
745 | } | |
746 | ||
747 | spin_lock_irqsave(&cs->lock, flags); | |
748 | ret = kmalloc(sizeof(struct at_state_t), GFP_ATOMIC); | |
749 | if (ret) { | |
750 | gigaset_at_init(ret, NULL, cs, cid); | |
751 | list_add(&ret->list, &cs->temp_at_states); | |
752 | } | |
753 | spin_unlock_irqrestore(&cs->lock, flags); | |
754 | return ret; | |
755 | } | |
756 | ||
757 | static void init_failed(struct cardstate *cs, int mode) | |
758 | { | |
759 | int i; | |
760 | struct at_state_t *at_state; | |
761 | ||
762 | cs->at_state.pending_commands &= ~PC_INIT; | |
9d4bee2b TS |
763 | cs->mode = mode; |
764 | cs->mstate = MS_UNINITIALIZED; | |
14fa73a7 HL |
765 | gigaset_free_channels(cs); |
766 | for (i = 0; i < cs->channels; ++i) { | |
767 | at_state = &cs->bcs[i].at_state; | |
768 | if (at_state->pending_commands & PC_CID) { | |
769 | at_state->pending_commands &= ~PC_CID; | |
770 | at_state->pending_commands |= PC_NOCID; | |
9d4bee2b | 771 | cs->commands_pending = 1; |
14fa73a7 HL |
772 | } |
773 | } | |
774 | } | |
775 | ||
776 | static void schedule_init(struct cardstate *cs, int state) | |
777 | { | |
778 | if (cs->at_state.pending_commands & PC_INIT) { | |
784d5858 | 779 | gig_dbg(DEBUG_CMD, "not scheduling PC_INIT again"); |
14fa73a7 HL |
780 | return; |
781 | } | |
9d4bee2b TS |
782 | cs->mstate = state; |
783 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
784 | gigaset_block_channels(cs); |
785 | cs->at_state.pending_commands |= PC_INIT; | |
9d4bee2b | 786 | cs->commands_pending = 1; |
784d5858 | 787 | gig_dbg(DEBUG_CMD, "Scheduling PC_INIT"); |
14fa73a7 HL |
788 | } |
789 | ||
917f5085 TS |
790 | /* Add "AT" to a command, add the cid, dle encode it, send the result to the |
791 | hardware. */ | |
14fa73a7 | 792 | static void send_command(struct cardstate *cs, const char *cmd, int cid, |
784d5858 | 793 | int dle, gfp_t kmallocflags) |
14fa73a7 HL |
794 | { |
795 | size_t cmdlen, buflen; | |
796 | char *cmdpos, *cmdbuf, *cmdtail; | |
797 | ||
798 | cmdlen = strlen(cmd); | |
799 | buflen = 11 + cmdlen; | |
784d5858 TS |
800 | if (unlikely(buflen <= cmdlen)) { |
801 | dev_err(cs->dev, "integer overflow in buflen\n"); | |
802 | return; | |
803 | } | |
14fa73a7 | 804 | |
784d5858 TS |
805 | cmdbuf = kmalloc(buflen, kmallocflags); |
806 | if (unlikely(!cmdbuf)) { | |
807 | dev_err(cs->dev, "out of memory\n"); | |
808 | return; | |
809 | } | |
14fa73a7 | 810 | |
784d5858 TS |
811 | cmdpos = cmdbuf + 9; |
812 | cmdtail = cmdpos + cmdlen; | |
813 | memcpy(cmdpos, cmd, cmdlen); | |
14fa73a7 | 814 | |
784d5858 TS |
815 | if (cid > 0 && cid <= 65535) { |
816 | do { | |
817 | *--cmdpos = '0' + cid % 10; | |
818 | cid /= 10; | |
819 | ++cmdlen; | |
820 | } while (cid); | |
821 | } | |
14fa73a7 | 822 | |
784d5858 TS |
823 | cmdlen += 2; |
824 | *--cmdpos = 'T'; | |
825 | *--cmdpos = 'A'; | |
826 | ||
827 | if (dle) { | |
828 | cmdlen += 4; | |
829 | *--cmdpos = '('; | |
830 | *--cmdpos = 0x10; | |
831 | *cmdtail++ = 0x10; | |
832 | *cmdtail++ = ')'; | |
833 | } | |
834 | ||
835 | cs->ops->write_cmd(cs, cmdpos, cmdlen, NULL); | |
836 | kfree(cmdbuf); | |
14fa73a7 HL |
837 | } |
838 | ||
839 | static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid) | |
840 | { | |
841 | struct at_state_t *at_state; | |
842 | int i; | |
843 | unsigned long flags; | |
844 | ||
845 | if (cid == 0) | |
846 | return &cs->at_state; | |
847 | ||
848 | for (i = 0; i < cs->channels; ++i) | |
849 | if (cid == cs->bcs[i].at_state.cid) | |
850 | return &cs->bcs[i].at_state; | |
851 | ||
852 | spin_lock_irqsave(&cs->lock, flags); | |
853 | ||
854 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
855 | if (cid == at_state->cid) { | |
856 | spin_unlock_irqrestore(&cs->lock, flags); | |
857 | return at_state; | |
858 | } | |
859 | ||
860 | spin_unlock_irqrestore(&cs->lock, flags); | |
861 | ||
862 | return NULL; | |
863 | } | |
864 | ||
865 | static void bchannel_down(struct bc_state *bcs) | |
866 | { | |
14fa73a7 HL |
867 | if (bcs->chstate & CHS_B_UP) { |
868 | bcs->chstate &= ~CHS_B_UP; | |
088ec0cc | 869 | gigaset_isdn_hupB(bcs); |
14fa73a7 HL |
870 | } |
871 | ||
872 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
873 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
088ec0cc | 874 | gigaset_isdn_hupD(bcs); |
14fa73a7 HL |
875 | } |
876 | ||
877 | gigaset_free_channel(bcs); | |
878 | ||
879 | gigaset_bcs_reinit(bcs); | |
880 | } | |
881 | ||
882 | static void bchannel_up(struct bc_state *bcs) | |
883 | { | |
14fa73a7 | 884 | if (bcs->chstate & CHS_B_UP) { |
784d5858 TS |
885 | dev_notice(bcs->cs->dev, "%s: B channel already up\n", |
886 | __func__); | |
14fa73a7 HL |
887 | return; |
888 | } | |
889 | ||
890 | bcs->chstate |= CHS_B_UP; | |
088ec0cc | 891 | gigaset_isdn_connB(bcs); |
14fa73a7 HL |
892 | } |
893 | ||
c35a87ff TS |
894 | static void start_dial(struct at_state_t *at_state, void *data, |
895 | unsigned seq_index) | |
14fa73a7 HL |
896 | { |
897 | struct bc_state *bcs = at_state->bcs; | |
898 | struct cardstate *cs = at_state->cs; | |
088ec0cc | 899 | char **commands = data; |
69049cc8 | 900 | unsigned long flags; |
088ec0cc | 901 | int i; |
14fa73a7 HL |
902 | |
903 | bcs->chstate |= CHS_NOTIFY_LL; | |
14fa73a7 | 904 | |
69049cc8 TS |
905 | spin_lock_irqsave(&cs->lock, flags); |
906 | if (at_state->seq_index != seq_index) { | |
907 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 908 | goto error; |
69049cc8 TS |
909 | } |
910 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 911 | |
088ec0cc TS |
912 | for (i = 0; i < AT_NUM; ++i) { |
913 | kfree(bcs->commands[i]); | |
914 | bcs->commands[i] = commands[i]; | |
915 | } | |
14fa73a7 HL |
916 | |
917 | at_state->pending_commands |= PC_CID; | |
784d5858 | 918 | gig_dbg(DEBUG_CMD, "Scheduling PC_CID"); |
9d4bee2b | 919 | cs->commands_pending = 1; |
14fa73a7 HL |
920 | return; |
921 | ||
922 | error: | |
088ec0cc TS |
923 | for (i = 0; i < AT_NUM; ++i) { |
924 | kfree(commands[i]); | |
925 | commands[i] = NULL; | |
926 | } | |
14fa73a7 | 927 | at_state->pending_commands |= PC_NOCID; |
784d5858 | 928 | gig_dbg(DEBUG_CMD, "Scheduling PC_NOCID"); |
9d4bee2b | 929 | cs->commands_pending = 1; |
14fa73a7 HL |
930 | return; |
931 | } | |
932 | ||
933 | static void start_accept(struct at_state_t *at_state) | |
934 | { | |
935 | struct cardstate *cs = at_state->cs; | |
088ec0cc TS |
936 | struct bc_state *bcs = at_state->bcs; |
937 | int i; | |
14fa73a7 | 938 | |
088ec0cc TS |
939 | for (i = 0; i < AT_NUM; ++i) { |
940 | kfree(bcs->commands[i]); | |
941 | bcs->commands[i] = NULL; | |
942 | } | |
14fa73a7 | 943 | |
088ec0cc TS |
944 | bcs->commands[AT_PROTO] = kmalloc(9, GFP_ATOMIC); |
945 | bcs->commands[AT_ISO] = kmalloc(9, GFP_ATOMIC); | |
946 | if (!bcs->commands[AT_PROTO] || !bcs->commands[AT_ISO]) { | |
947 | dev_err(at_state->cs->dev, "out of memory\n"); | |
9d4bee2b | 948 | /* error reset */ |
14fa73a7 | 949 | at_state->pending_commands |= PC_HUP; |
784d5858 | 950 | gig_dbg(DEBUG_CMD, "Scheduling PC_HUP"); |
9d4bee2b | 951 | cs->commands_pending = 1; |
088ec0cc | 952 | return; |
14fa73a7 | 953 | } |
088ec0cc TS |
954 | |
955 | snprintf(bcs->commands[AT_PROTO], 9, "^SBPR=%u\r", bcs->proto2); | |
956 | snprintf(bcs->commands[AT_ISO], 9, "^SISO=%u\r", bcs->channel + 1); | |
957 | ||
958 | at_state->pending_commands |= PC_ACCEPT; | |
959 | gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT"); | |
960 | cs->commands_pending = 1; | |
14fa73a7 HL |
961 | } |
962 | ||
963 | static void do_start(struct cardstate *cs) | |
964 | { | |
965 | gigaset_free_channels(cs); | |
966 | ||
9d4bee2b | 967 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
968 | schedule_init(cs, MS_INIT); |
969 | ||
69049cc8 | 970 | cs->isdn_up = 1; |
088ec0cc | 971 | gigaset_isdn_start(cs); |
14fa73a7 HL |
972 | |
973 | cs->waiting = 0; | |
974 | wake_up(&cs->waitqueue); | |
975 | } | |
976 | ||
977 | static void finish_shutdown(struct cardstate *cs) | |
978 | { | |
9d4bee2b TS |
979 | if (cs->mstate != MS_LOCKED) { |
980 | cs->mstate = MS_UNINITIALIZED; | |
981 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
982 | } |
983 | ||
69049cc8 TS |
984 | /* Tell the LL that the device is not available .. */ |
985 | if (cs->isdn_up) { | |
986 | cs->isdn_up = 0; | |
088ec0cc | 987 | gigaset_isdn_stop(cs); |
69049cc8 TS |
988 | } |
989 | ||
14fa73a7 HL |
990 | /* The rest is done by cleanup_cs () in user mode. */ |
991 | ||
992 | cs->cmd_result = -ENODEV; | |
993 | cs->waiting = 0; | |
2869b23e | 994 | wake_up(&cs->waitqueue); |
14fa73a7 HL |
995 | } |
996 | ||
997 | static void do_shutdown(struct cardstate *cs) | |
998 | { | |
999 | gigaset_block_channels(cs); | |
1000 | ||
9d4bee2b TS |
1001 | if (cs->mstate == MS_READY) { |
1002 | cs->mstate = MS_SHUTDOWN; | |
14fa73a7 | 1003 | cs->at_state.pending_commands |= PC_SHUTDOWN; |
9d4bee2b | 1004 | cs->commands_pending = 1; |
784d5858 | 1005 | gig_dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN"); |
14fa73a7 HL |
1006 | } else |
1007 | finish_shutdown(cs); | |
1008 | } | |
1009 | ||
1010 | static void do_stop(struct cardstate *cs) | |
1011 | { | |
69049cc8 TS |
1012 | unsigned long flags; |
1013 | ||
1014 | spin_lock_irqsave(&cs->lock, flags); | |
1015 | cs->connected = 0; | |
1016 | spin_unlock_irqrestore(&cs->lock, flags); | |
1017 | ||
14fa73a7 HL |
1018 | do_shutdown(cs); |
1019 | } | |
1020 | ||
1021 | /* Entering cid mode or getting a cid failed: | |
1022 | * try to initialize the device and try again. | |
1023 | * | |
1024 | * channel >= 0: getting cid for the channel failed | |
1025 | * channel < 0: entering cid mode failed | |
1026 | * | |
1027 | * returns 0 on failure | |
1028 | */ | |
1029 | static int reinit_and_retry(struct cardstate *cs, int channel) | |
1030 | { | |
1031 | int i; | |
1032 | ||
1033 | if (--cs->retry_count <= 0) | |
1034 | return 0; | |
1035 | ||
1036 | for (i = 0; i < cs->channels; ++i) | |
1037 | if (cs->bcs[i].at_state.cid > 0) | |
1038 | return 0; | |
1039 | ||
1040 | if (channel < 0) | |
784d5858 TS |
1041 | dev_warn(cs->dev, |
1042 | "Could not enter cid mode. Reinit device and try again.\n"); | |
14fa73a7 | 1043 | else { |
784d5858 TS |
1044 | dev_warn(cs->dev, |
1045 | "Could not get a call id. Reinit device and try again.\n"); | |
14fa73a7 HL |
1046 | cs->bcs[channel].at_state.pending_commands |= PC_CID; |
1047 | } | |
1048 | schedule_init(cs, MS_INIT); | |
1049 | return 1; | |
1050 | } | |
1051 | ||
1052 | static int at_state_invalid(struct cardstate *cs, | |
784d5858 | 1053 | struct at_state_t *test_ptr) |
14fa73a7 HL |
1054 | { |
1055 | unsigned long flags; | |
1056 | unsigned channel; | |
1057 | struct at_state_t *at_state; | |
1058 | int retval = 0; | |
1059 | ||
1060 | spin_lock_irqsave(&cs->lock, flags); | |
1061 | ||
1062 | if (test_ptr == &cs->at_state) | |
1063 | goto exit; | |
1064 | ||
1065 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1066 | if (at_state == test_ptr) | |
1067 | goto exit; | |
1068 | ||
1069 | for (channel = 0; channel < cs->channels; ++channel) | |
1070 | if (&cs->bcs[channel].at_state == test_ptr) | |
1071 | goto exit; | |
1072 | ||
1073 | retval = 1; | |
1074 | exit: | |
1075 | spin_unlock_irqrestore(&cs->lock, flags); | |
1076 | return retval; | |
1077 | } | |
1078 | ||
1079 | static void handle_icall(struct cardstate *cs, struct bc_state *bcs, | |
1080 | struct at_state_t **p_at_state) | |
1081 | { | |
1082 | int retval; | |
1083 | struct at_state_t *at_state = *p_at_state; | |
1084 | ||
1085 | retval = gigaset_isdn_icall(at_state); | |
1086 | switch (retval) { | |
1087 | case ICALL_ACCEPT: | |
1088 | break; | |
1089 | default: | |
784d5858 | 1090 | dev_err(cs->dev, "internal error: disposition=%d\n", retval); |
14fa73a7 HL |
1091 | /* --v-- fall through --v-- */ |
1092 | case ICALL_IGNORE: | |
1093 | case ICALL_REJECT: | |
1094 | /* hang up actively | |
1095 | * Device doc says that would reject the call. | |
1096 | * In fact it doesn't. | |
1097 | */ | |
1098 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1099 | cs->commands_pending = 1; |
14fa73a7 HL |
1100 | break; |
1101 | } | |
1102 | } | |
1103 | ||
1104 | static int do_lock(struct cardstate *cs) | |
1105 | { | |
1106 | int mode; | |
1107 | int i; | |
1108 | ||
9d4bee2b | 1109 | switch (cs->mstate) { |
14fa73a7 HL |
1110 | case MS_UNINITIALIZED: |
1111 | case MS_READY: | |
1112 | if (cs->cur_at_seq || !list_empty(&cs->temp_at_states) || | |
1113 | cs->at_state.pending_commands) | |
1114 | return -EBUSY; | |
1115 | ||
1116 | for (i = 0; i < cs->channels; ++i) | |
1117 | if (cs->bcs[i].at_state.pending_commands) | |
1118 | return -EBUSY; | |
1119 | ||
1120 | if (!gigaset_get_channels(cs)) | |
1121 | return -EBUSY; | |
1122 | ||
1123 | break; | |
1124 | case MS_LOCKED: | |
14fa73a7 HL |
1125 | break; |
1126 | default: | |
1127 | return -EBUSY; | |
1128 | } | |
1129 | ||
9d4bee2b TS |
1130 | mode = cs->mode; |
1131 | cs->mstate = MS_LOCKED; | |
1132 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
1133 | |
1134 | return mode; | |
1135 | } | |
1136 | ||
1137 | static int do_unlock(struct cardstate *cs) | |
1138 | { | |
9d4bee2b | 1139 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
1140 | return -EINVAL; |
1141 | ||
9d4bee2b TS |
1142 | cs->mstate = MS_UNINITIALIZED; |
1143 | cs->mode = M_UNKNOWN; | |
14fa73a7 | 1144 | gigaset_free_channels(cs); |
69049cc8 | 1145 | if (cs->connected) |
14fa73a7 HL |
1146 | schedule_init(cs, MS_INIT); |
1147 | ||
1148 | return 0; | |
1149 | } | |
1150 | ||
1151 | static void do_action(int action, struct cardstate *cs, | |
1152 | struct bc_state *bcs, | |
1153 | struct at_state_t **p_at_state, char **pp_command, | |
1154 | int *p_genresp, int *p_resp_code, | |
1155 | struct event_t *ev) | |
1156 | { | |
1157 | struct at_state_t *at_state = *p_at_state; | |
1158 | struct at_state_t *at_state2; | |
1159 | unsigned long flags; | |
1160 | ||
1161 | int channel; | |
1162 | ||
1163 | unsigned char *s, *e; | |
1164 | int i; | |
1165 | unsigned long val; | |
1166 | ||
1167 | switch (action) { | |
1168 | case ACT_NOTHING: | |
1169 | break; | |
1170 | case ACT_TIMEOUT: | |
1171 | at_state->waiting = 1; | |
1172 | break; | |
1173 | case ACT_INIT: | |
14fa73a7 HL |
1174 | cs->at_state.pending_commands &= ~PC_INIT; |
1175 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1176 | cs->mode = M_UNIMODEM; |
69049cc8 TS |
1177 | spin_lock_irqsave(&cs->lock, flags); |
1178 | if (!cs->cidmode) { | |
1179 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 1180 | gigaset_free_channels(cs); |
9d4bee2b | 1181 | cs->mstate = MS_READY; |
14fa73a7 HL |
1182 | break; |
1183 | } | |
69049cc8 | 1184 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1185 | cs->at_state.pending_commands |= PC_CIDMODE; |
9d4bee2b | 1186 | cs->commands_pending = 1; |
784d5858 | 1187 | gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); |
14fa73a7 HL |
1188 | break; |
1189 | case ACT_FAILINIT: | |
784d5858 | 1190 | dev_warn(cs->dev, "Could not initialize the device.\n"); |
14fa73a7 HL |
1191 | cs->dle = 0; |
1192 | init_failed(cs, M_UNKNOWN); | |
1193 | cs->cur_at_seq = SEQ_NONE; | |
1194 | break; | |
1195 | case ACT_CONFIGMODE: | |
1196 | init_failed(cs, M_CONFIG); | |
1197 | cs->cur_at_seq = SEQ_NONE; | |
1198 | break; | |
1199 | case ACT_SETDLE1: | |
1200 | cs->dle = 1; | |
1201 | /* cs->inbuf[0].inputstate |= INS_command | INS_DLE_command; */ | |
1202 | cs->inbuf[0].inputstate &= | |
1203 | ~(INS_command | INS_DLE_command); | |
1204 | break; | |
1205 | case ACT_SETDLE0: | |
1206 | cs->dle = 0; | |
1207 | cs->inbuf[0].inputstate = | |
1208 | (cs->inbuf[0].inputstate & ~INS_DLE_command) | |
1209 | | INS_command; | |
1210 | break; | |
1211 | case ACT_CMODESET: | |
9d4bee2b | 1212 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 | 1213 | gigaset_free_channels(cs); |
9d4bee2b | 1214 | cs->mstate = MS_READY; |
14fa73a7 | 1215 | } |
9d4bee2b | 1216 | cs->mode = M_CID; |
14fa73a7 HL |
1217 | cs->cur_at_seq = SEQ_NONE; |
1218 | break; | |
1219 | case ACT_UMODESET: | |
9d4bee2b | 1220 | cs->mode = M_UNIMODEM; |
14fa73a7 HL |
1221 | cs->cur_at_seq = SEQ_NONE; |
1222 | break; | |
1223 | case ACT_FAILCMODE: | |
1224 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1225 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1226 | init_failed(cs, M_UNKNOWN); |
1227 | break; | |
1228 | } | |
1229 | if (!reinit_and_retry(cs, -1)) | |
1230 | schedule_init(cs, MS_RECOVER); | |
1231 | break; | |
1232 | case ACT_FAILUMODE: | |
1233 | cs->cur_at_seq = SEQ_NONE; | |
1234 | schedule_init(cs, MS_RECOVER); | |
1235 | break; | |
1236 | case ACT_HUPMODEM: | |
1237 | /* send "+++" (hangup in unimodem mode) */ | |
698e3ed9 TS |
1238 | if (cs->connected) |
1239 | cs->ops->write_cmd(cs, "+++", 3, NULL); | |
14fa73a7 HL |
1240 | break; |
1241 | case ACT_RING: | |
1242 | /* get fresh AT state structure for new CID */ | |
1243 | at_state2 = get_free_channel(cs, ev->parameter); | |
1244 | if (!at_state2) { | |
784d5858 TS |
1245 | dev_warn(cs->dev, |
1246 | "RING ignored: could not allocate channel structure\n"); | |
14fa73a7 HL |
1247 | break; |
1248 | } | |
1249 | ||
1250 | /* initialize AT state structure | |
1251 | * note that bcs may be NULL if no B channel is free | |
1252 | */ | |
1253 | at_state2->ConState = 700; | |
1254 | kfree(at_state2->str_var[STR_NMBR]); | |
1255 | at_state2->str_var[STR_NMBR] = NULL; | |
1256 | kfree(at_state2->str_var[STR_ZCPN]); | |
1257 | at_state2->str_var[STR_ZCPN] = NULL; | |
1258 | kfree(at_state2->str_var[STR_ZBC]); | |
1259 | at_state2->str_var[STR_ZBC] = NULL; | |
1260 | kfree(at_state2->str_var[STR_ZHLC]); | |
1261 | at_state2->str_var[STR_ZHLC] = NULL; | |
1262 | at_state2->int_var[VAR_ZCTP] = -1; | |
1263 | ||
1264 | spin_lock_irqsave(&cs->lock, flags); | |
1265 | at_state2->timer_expires = RING_TIMEOUT; | |
1266 | at_state2->timer_active = 1; | |
1267 | spin_unlock_irqrestore(&cs->lock, flags); | |
1268 | break; | |
1269 | case ACT_ICALL: | |
1270 | handle_icall(cs, bcs, p_at_state); | |
14fa73a7 HL |
1271 | break; |
1272 | case ACT_FAILSDOWN: | |
784d5858 | 1273 | dev_warn(cs->dev, "Could not shut down the device.\n"); |
14fa73a7 HL |
1274 | /* fall through */ |
1275 | case ACT_FAKESDOWN: | |
1276 | case ACT_SDOWN: | |
1277 | cs->cur_at_seq = SEQ_NONE; | |
1278 | finish_shutdown(cs); | |
1279 | break; | |
1280 | case ACT_CONNECT: | |
1281 | if (cs->onechannel) { | |
1282 | at_state->pending_commands |= PC_DLE1; | |
9d4bee2b | 1283 | cs->commands_pending = 1; |
14fa73a7 HL |
1284 | break; |
1285 | } | |
1286 | bcs->chstate |= CHS_D_UP; | |
088ec0cc | 1287 | gigaset_isdn_connD(bcs); |
14fa73a7 HL |
1288 | cs->ops->init_bchannel(bcs); |
1289 | break; | |
1290 | case ACT_DLE1: | |
1291 | cs->cur_at_seq = SEQ_NONE; | |
1292 | bcs = cs->bcs + cs->curchannel; | |
1293 | ||
1294 | bcs->chstate |= CHS_D_UP; | |
088ec0cc | 1295 | gigaset_isdn_connD(bcs); |
14fa73a7 HL |
1296 | cs->ops->init_bchannel(bcs); |
1297 | break; | |
1298 | case ACT_FAKEHUP: | |
1299 | at_state->int_var[VAR_ZSAU] = ZSAU_NULL; | |
1300 | /* fall through */ | |
1301 | case ACT_DISCONNECT: | |
1302 | cs->cur_at_seq = SEQ_NONE; | |
1303 | at_state->cid = -1; | |
1304 | if (bcs && cs->onechannel && cs->dle) { | |
1305 | /* Check for other open channels not needed: | |
1306 | * DLE only used for M10x with one B channel. | |
1307 | */ | |
1308 | at_state->pending_commands |= PC_DLE0; | |
9d4bee2b | 1309 | cs->commands_pending = 1; |
698e3ed9 | 1310 | } else |
14fa73a7 | 1311 | disconnect(p_at_state); |
14fa73a7 HL |
1312 | break; |
1313 | case ACT_FAKEDLE0: | |
1314 | at_state->int_var[VAR_ZDLE] = 0; | |
1315 | cs->dle = 0; | |
1316 | /* fall through */ | |
1317 | case ACT_DLE0: | |
1318 | cs->cur_at_seq = SEQ_NONE; | |
1319 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1320 | disconnect(&at_state2); | |
1321 | break; | |
1322 | case ACT_ABORTHUP: | |
1323 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1324 | dev_warn(cs->dev, "Could not hang up.\n"); |
14fa73a7 HL |
1325 | at_state->cid = -1; |
1326 | if (bcs && cs->onechannel) | |
1327 | at_state->pending_commands |= PC_DLE0; | |
698e3ed9 | 1328 | else |
14fa73a7 | 1329 | disconnect(p_at_state); |
14fa73a7 HL |
1330 | schedule_init(cs, MS_RECOVER); |
1331 | break; | |
1332 | case ACT_FAILDLE0: | |
1333 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1334 | dev_warn(cs->dev, "Could not leave DLE mode.\n"); |
14fa73a7 HL |
1335 | at_state2 = &cs->bcs[cs->curchannel].at_state; |
1336 | disconnect(&at_state2); | |
1337 | schedule_init(cs, MS_RECOVER); | |
1338 | break; | |
1339 | case ACT_FAILDLE1: | |
1340 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 TS |
1341 | dev_warn(cs->dev, |
1342 | "Could not enter DLE mode. Trying to hang up.\n"); | |
14fa73a7 HL |
1343 | channel = cs->curchannel; |
1344 | cs->bcs[channel].at_state.pending_commands |= PC_HUP; | |
9d4bee2b | 1345 | cs->commands_pending = 1; |
14fa73a7 HL |
1346 | break; |
1347 | ||
1348 | case ACT_CID: /* got cid; start dialing */ | |
1349 | cs->cur_at_seq = SEQ_NONE; | |
1350 | channel = cs->curchannel; | |
1351 | if (ev->parameter > 0 && ev->parameter <= 65535) { | |
1352 | cs->bcs[channel].at_state.cid = ev->parameter; | |
1353 | cs->bcs[channel].at_state.pending_commands |= | |
1354 | PC_DIAL; | |
9d4bee2b | 1355 | cs->commands_pending = 1; |
14fa73a7 HL |
1356 | break; |
1357 | } | |
1358 | /* fall through */ | |
1359 | case ACT_FAILCID: | |
1360 | cs->cur_at_seq = SEQ_NONE; | |
1361 | channel = cs->curchannel; | |
1362 | if (!reinit_and_retry(cs, channel)) { | |
784d5858 TS |
1363 | dev_warn(cs->dev, |
1364 | "Could not get a call ID. Cannot dial.\n"); | |
14fa73a7 HL |
1365 | at_state2 = &cs->bcs[channel].at_state; |
1366 | disconnect(&at_state2); | |
1367 | } | |
1368 | break; | |
1369 | case ACT_ABORTCID: | |
1370 | cs->cur_at_seq = SEQ_NONE; | |
1371 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1372 | disconnect(&at_state2); | |
1373 | break; | |
1374 | ||
1375 | case ACT_DIALING: | |
1376 | case ACT_ACCEPTED: | |
1377 | cs->cur_at_seq = SEQ_NONE; | |
1378 | break; | |
1379 | ||
c35a87ff | 1380 | case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL procssng */ |
14fa73a7 | 1381 | disconnect(p_at_state); |
14fa73a7 HL |
1382 | break; |
1383 | ||
1384 | case ACT_ABORTDIAL: /* error/timeout during dial preparation */ | |
1385 | cs->cur_at_seq = SEQ_NONE; | |
1386 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1387 | cs->commands_pending = 1; |
14fa73a7 HL |
1388 | break; |
1389 | ||
1390 | case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */ | |
1391 | case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */ | |
1392 | case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */ | |
1393 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1394 | cs->commands_pending = 1; |
14fa73a7 | 1395 | break; |
917f5085 | 1396 | case ACT_GETSTRING: /* warning: RING, ZDLE, ... |
784d5858 | 1397 | are not handled properly anymore */ |
14fa73a7 HL |
1398 | at_state->getstring = 1; |
1399 | break; | |
1400 | case ACT_SETVER: | |
1401 | if (!ev->ptr) { | |
1402 | *p_genresp = 1; | |
1403 | *p_resp_code = RSP_ERROR; | |
1404 | break; | |
1405 | } | |
1406 | s = ev->ptr; | |
1407 | ||
1408 | if (!strcmp(s, "OK")) { | |
1409 | *p_genresp = 1; | |
1410 | *p_resp_code = RSP_ERROR; | |
1411 | break; | |
1412 | } | |
1413 | ||
1414 | for (i = 0; i < 4; ++i) { | |
1415 | val = simple_strtoul(s, (char **) &e, 10); | |
1416 | if (val > INT_MAX || e == s) | |
1417 | break; | |
1418 | if (i == 3) { | |
1419 | if (*e) | |
1420 | break; | |
1421 | } else if (*e != '.') | |
1422 | break; | |
1423 | else | |
1424 | s = e + 1; | |
1425 | cs->fwver[i] = val; | |
1426 | } | |
1427 | if (i != 4) { | |
1428 | *p_genresp = 1; | |
1429 | *p_resp_code = RSP_ERROR; | |
1430 | break; | |
1431 | } | |
1432 | /*at_state->getstring = 1;*/ | |
1433 | cs->gotfwver = 0; | |
1434 | break; | |
1435 | case ACT_GOTVER: | |
1436 | if (cs->gotfwver == 0) { | |
1437 | cs->gotfwver = 1; | |
784d5858 TS |
1438 | gig_dbg(DEBUG_ANY, |
1439 | "firmware version %02d.%03d.%02d.%02d", | |
1440 | cs->fwver[0], cs->fwver[1], | |
1441 | cs->fwver[2], cs->fwver[3]); | |
14fa73a7 HL |
1442 | break; |
1443 | } | |
1444 | /* fall through */ | |
1445 | case ACT_FAILVER: | |
1446 | cs->gotfwver = -1; | |
784d5858 | 1447 | dev_err(cs->dev, "could not read firmware version.\n"); |
14fa73a7 | 1448 | break; |
14fa73a7 | 1449 | case ACT_ERROR: |
05eae94f TS |
1450 | gig_dbg(DEBUG_ANY, "%s: ERROR response in ConState %d", |
1451 | __func__, at_state->ConState); | |
1452 | cs->cur_at_seq = SEQ_NONE; | |
14fa73a7 | 1453 | break; |
14fa73a7 | 1454 | case ACT_DEBUG: |
784d5858 | 1455 | gig_dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d", |
14fa73a7 HL |
1456 | __func__, ev->type, at_state->ConState); |
1457 | break; | |
1458 | case ACT_WARN: | |
784d5858 TS |
1459 | dev_warn(cs->dev, "%s: resp_code %d in ConState %d!\n", |
1460 | __func__, ev->type, at_state->ConState); | |
14fa73a7 HL |
1461 | break; |
1462 | case ACT_ZCAU: | |
784d5858 TS |
1463 | dev_warn(cs->dev, "cause code %04x in connection state %d.\n", |
1464 | ev->parameter, at_state->ConState); | |
14fa73a7 HL |
1465 | break; |
1466 | ||
1467 | /* events from the LL */ | |
1468 | case ACT_DIAL: | |
1469 | start_dial(at_state, ev->ptr, ev->parameter); | |
1470 | break; | |
1471 | case ACT_ACCEPT: | |
1472 | start_accept(at_state); | |
1473 | break; | |
14fa73a7 HL |
1474 | case ACT_HUP: |
1475 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1476 | cs->commands_pending = 1; |
784d5858 | 1477 | gig_dbg(DEBUG_CMD, "Scheduling PC_HUP"); |
14fa73a7 HL |
1478 | break; |
1479 | ||
1480 | /* hotplug events */ | |
1481 | case ACT_STOP: | |
1482 | do_stop(cs); | |
1483 | break; | |
1484 | case ACT_START: | |
1485 | do_start(cs); | |
1486 | break; | |
1487 | ||
c35a87ff | 1488 | /* events from the interface */ |
14fa73a7 HL |
1489 | case ACT_IF_LOCK: |
1490 | cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs); | |
1491 | cs->waiting = 0; | |
1492 | wake_up(&cs->waitqueue); | |
1493 | break; | |
1494 | case ACT_IF_VER: | |
1495 | if (ev->parameter != 0) | |
1496 | cs->cmd_result = -EINVAL; | |
1497 | else if (cs->gotfwver != 1) { | |
1498 | cs->cmd_result = -ENOENT; | |
1499 | } else { | |
1500 | memcpy(ev->arg, cs->fwver, sizeof cs->fwver); | |
1501 | cs->cmd_result = 0; | |
1502 | } | |
1503 | cs->waiting = 0; | |
1504 | wake_up(&cs->waitqueue); | |
1505 | break; | |
1506 | ||
c35a87ff | 1507 | /* events from the proc file system */ |
14fa73a7 | 1508 | case ACT_PROC_CIDMODE: |
69049cc8 TS |
1509 | spin_lock_irqsave(&cs->lock, flags); |
1510 | if (ev->parameter != cs->cidmode) { | |
1511 | cs->cidmode = ev->parameter; | |
14fa73a7 HL |
1512 | if (ev->parameter) { |
1513 | cs->at_state.pending_commands |= PC_CIDMODE; | |
784d5858 | 1514 | gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); |
14fa73a7 HL |
1515 | } else { |
1516 | cs->at_state.pending_commands |= PC_UMMODE; | |
784d5858 | 1517 | gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE"); |
14fa73a7 | 1518 | } |
9d4bee2b | 1519 | cs->commands_pending = 1; |
14fa73a7 | 1520 | } |
69049cc8 | 1521 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1522 | cs->waiting = 0; |
1523 | wake_up(&cs->waitqueue); | |
1524 | break; | |
1525 | ||
1526 | /* events from the hardware drivers */ | |
1527 | case ACT_NOTIFY_BC_DOWN: | |
1528 | bchannel_down(bcs); | |
1529 | break; | |
1530 | case ACT_NOTIFY_BC_UP: | |
1531 | bchannel_up(bcs); | |
1532 | break; | |
1533 | case ACT_SHUTDOWN: | |
1534 | do_shutdown(cs); | |
1535 | break; | |
1536 | ||
1537 | ||
1538 | default: | |
1539 | if (action >= ACT_CMD && action < ACT_CMD + AT_NUM) { | |
1540 | *pp_command = at_state->bcs->commands[action - ACT_CMD]; | |
1541 | if (!*pp_command) { | |
1542 | *p_genresp = 1; | |
1543 | *p_resp_code = RSP_NULL; | |
1544 | } | |
1545 | } else | |
784d5858 | 1546 | dev_err(cs->dev, "%s: action==%d!\n", __func__, action); |
14fa73a7 HL |
1547 | } |
1548 | } | |
1549 | ||
1550 | /* State machine to do the calling and hangup procedure */ | |
1551 | static void process_event(struct cardstate *cs, struct event_t *ev) | |
1552 | { | |
1553 | struct bc_state *bcs; | |
1554 | char *p_command = NULL; | |
1555 | struct reply_t *rep; | |
1556 | int rcode; | |
1557 | int genresp = 0; | |
1558 | int resp_code = RSP_ERROR; | |
1559 | int sendcid; | |
1560 | struct at_state_t *at_state; | |
1561 | int index; | |
1562 | int curact; | |
1563 | unsigned long flags; | |
1564 | ||
14fa73a7 HL |
1565 | if (ev->cid >= 0) { |
1566 | at_state = at_state_from_cid(cs, ev->cid); | |
1567 | if (!at_state) { | |
1568 | gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID, | |
784d5858 | 1569 | NULL, 0, NULL); |
14fa73a7 HL |
1570 | return; |
1571 | } | |
1572 | } else { | |
1573 | at_state = ev->at_state; | |
1574 | if (at_state_invalid(cs, at_state)) { | |
784d5858 TS |
1575 | gig_dbg(DEBUG_ANY, "event for invalid at_state %p", |
1576 | at_state); | |
14fa73a7 HL |
1577 | return; |
1578 | } | |
1579 | } | |
1580 | ||
784d5858 TS |
1581 | gig_dbg(DEBUG_CMD, "connection state %d, event %d", |
1582 | at_state->ConState, ev->type); | |
14fa73a7 HL |
1583 | |
1584 | bcs = at_state->bcs; | |
1585 | sendcid = at_state->cid; | |
1586 | ||
1587 | /* Setting the pointer to the dial array */ | |
1588 | rep = at_state->replystruct; | |
14fa73a7 | 1589 | |
69049cc8 | 1590 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1591 | if (ev->type == EV_TIMEOUT) { |
69049cc8 | 1592 | if (ev->parameter != at_state->timer_index |
14fa73a7 HL |
1593 | || !at_state->timer_active) { |
1594 | ev->type = RSP_NONE; /* old timeout */ | |
784d5858 | 1595 | gig_dbg(DEBUG_ANY, "old timeout"); |
14fa73a7 | 1596 | } else if (!at_state->waiting) |
784d5858 | 1597 | gig_dbg(DEBUG_ANY, "timeout occurred"); |
14fa73a7 | 1598 | else |
784d5858 | 1599 | gig_dbg(DEBUG_ANY, "stopped waiting"); |
14fa73a7 | 1600 | } |
69049cc8 | 1601 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1602 | |
917f5085 TS |
1603 | /* if the response belongs to a variable in at_state->int_var[VAR_XXXX] |
1604 | or at_state->str_var[STR_XXXX], set it */ | |
14fa73a7 HL |
1605 | if (ev->type >= RSP_VAR && ev->type < RSP_VAR + VAR_NUM) { |
1606 | index = ev->type - RSP_VAR; | |
1607 | at_state->int_var[index] = ev->parameter; | |
1608 | } else if (ev->type >= RSP_STR && ev->type < RSP_STR + STR_NUM) { | |
1609 | index = ev->type - RSP_STR; | |
1610 | kfree(at_state->str_var[index]); | |
1611 | at_state->str_var[index] = ev->ptr; | |
917f5085 TS |
1612 | ev->ptr = NULL; /* prevent process_events() from |
1613 | deallocating ptr */ | |
14fa73a7 HL |
1614 | } |
1615 | ||
1616 | if (ev->type == EV_TIMEOUT || ev->type == RSP_STRING) | |
1617 | at_state->getstring = 0; | |
1618 | ||
917f5085 TS |
1619 | /* Search row in dial array which matches modem response and current |
1620 | constate */ | |
14fa73a7 HL |
1621 | for (;; rep++) { |
1622 | rcode = rep->resp_code; | |
14fa73a7 HL |
1623 | if (rcode == RSP_LAST) { |
1624 | /* found nothing...*/ | |
784d5858 TS |
1625 | dev_warn(cs->dev, "%s: rcode=RSP_LAST: " |
1626 | "resp_code %d in ConState %d!\n", | |
1627 | __func__, ev->type, at_state->ConState); | |
14fa73a7 HL |
1628 | return; |
1629 | } | |
1630 | if ((rcode == RSP_ANY || rcode == ev->type) | |
1631 | && ((int) at_state->ConState >= rep->min_ConState) | |
1632 | && (rep->max_ConState < 0 | |
1633 | || (int) at_state->ConState <= rep->max_ConState) | |
1634 | && (rep->parameter < 0 || rep->parameter == ev->parameter)) | |
1635 | break; | |
1636 | } | |
1637 | ||
1638 | p_command = rep->command; | |
1639 | ||
1640 | at_state->waiting = 0; | |
1641 | for (curact = 0; curact < MAXACT; ++curact) { | |
1642 | /* The row tells us what we should do .. | |
1643 | */ | |
c35a87ff TS |
1644 | do_action(rep->action[curact], cs, bcs, &at_state, &p_command, |
1645 | &genresp, &resp_code, ev); | |
14fa73a7 HL |
1646 | if (!at_state) |
1647 | break; /* may be freed after disconnect */ | |
1648 | } | |
1649 | ||
1650 | if (at_state) { | |
1651 | /* Jump to the next con-state regarding the array */ | |
1652 | if (rep->new_ConState >= 0) | |
1653 | at_state->ConState = rep->new_ConState; | |
1654 | ||
1655 | if (genresp) { | |
1656 | spin_lock_irqsave(&cs->lock, flags); | |
c35a87ff TS |
1657 | at_state->timer_expires = 0; |
1658 | at_state->timer_active = 0; | |
14fa73a7 | 1659 | spin_unlock_irqrestore(&cs->lock, flags); |
c35a87ff TS |
1660 | gigaset_add_event(cs, at_state, resp_code, |
1661 | NULL, 0, NULL); | |
14fa73a7 HL |
1662 | } else { |
1663 | /* Send command to modem if not NULL... */ | |
c35a87ff | 1664 | if (p_command) { |
69049cc8 | 1665 | if (cs->connected) |
14fa73a7 | 1666 | send_command(cs, p_command, |
784d5858 TS |
1667 | sendcid, cs->dle, |
1668 | GFP_ATOMIC); | |
14fa73a7 HL |
1669 | else |
1670 | gigaset_add_event(cs, at_state, | |
784d5858 TS |
1671 | RSP_NODEV, |
1672 | NULL, 0, NULL); | |
14fa73a7 HL |
1673 | } |
1674 | ||
1675 | spin_lock_irqsave(&cs->lock, flags); | |
1676 | if (!rep->timeout) { | |
1677 | at_state->timer_expires = 0; | |
1678 | at_state->timer_active = 0; | |
1679 | } else if (rep->timeout > 0) { /* new timeout */ | |
1680 | at_state->timer_expires = rep->timeout * 10; | |
1681 | at_state->timer_active = 1; | |
69049cc8 | 1682 | ++at_state->timer_index; |
14fa73a7 HL |
1683 | } |
1684 | spin_unlock_irqrestore(&cs->lock, flags); | |
1685 | } | |
1686 | } | |
1687 | } | |
1688 | ||
1689 | static void schedule_sequence(struct cardstate *cs, | |
1690 | struct at_state_t *at_state, int sequence) | |
1691 | { | |
1692 | cs->cur_at_seq = sequence; | |
1693 | gigaset_add_event(cs, at_state, RSP_INIT, NULL, sequence, NULL); | |
1694 | } | |
1695 | ||
1696 | static void process_command_flags(struct cardstate *cs) | |
1697 | { | |
1698 | struct at_state_t *at_state = NULL; | |
1699 | struct bc_state *bcs; | |
1700 | int i; | |
1701 | int sequence; | |
69049cc8 | 1702 | unsigned long flags; |
14fa73a7 | 1703 | |
9d4bee2b | 1704 | cs->commands_pending = 0; |
14fa73a7 HL |
1705 | |
1706 | if (cs->cur_at_seq) { | |
784d5858 | 1707 | gig_dbg(DEBUG_CMD, "not searching scheduled commands: busy"); |
14fa73a7 HL |
1708 | return; |
1709 | } | |
1710 | ||
784d5858 | 1711 | gig_dbg(DEBUG_CMD, "searching scheduled commands"); |
14fa73a7 HL |
1712 | |
1713 | sequence = SEQ_NONE; | |
1714 | ||
1715 | /* clear pending_commands and hangup channels on shutdown */ | |
1716 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1717 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1718 | for (i = 0; i < cs->channels; ++i) { | |
1719 | bcs = cs->bcs + i; | |
1720 | at_state = &bcs->at_state; | |
1721 | at_state->pending_commands &= | |
1722 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1723 | if (at_state->cid > 0) | |
1724 | at_state->pending_commands |= PC_HUP; | |
1725 | if (at_state->pending_commands & PC_CID) { | |
1726 | at_state->pending_commands |= PC_NOCID; | |
1727 | at_state->pending_commands &= ~PC_CID; | |
1728 | } | |
1729 | } | |
1730 | } | |
1731 | ||
1732 | /* clear pending_commands and hangup channels on reset */ | |
1733 | if (cs->at_state.pending_commands & PC_INIT) { | |
1734 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1735 | for (i = 0; i < cs->channels; ++i) { | |
1736 | bcs = cs->bcs + i; | |
1737 | at_state = &bcs->at_state; | |
1738 | at_state->pending_commands &= | |
1739 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1740 | if (at_state->cid > 0) | |
1741 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1742 | if (cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1743 | if (at_state->pending_commands & PC_CID) { |
1744 | at_state->pending_commands |= PC_NOCID; | |
1745 | at_state->pending_commands &= ~PC_CID; | |
1746 | } | |
1747 | } | |
1748 | } | |
1749 | } | |
1750 | ||
c35a87ff TS |
1751 | /* only switch back to unimodem mode if no commands are pending and |
1752 | * no channels are up */ | |
69049cc8 | 1753 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1754 | if (cs->at_state.pending_commands == PC_UMMODE |
69049cc8 | 1755 | && !cs->cidmode |
14fa73a7 | 1756 | && list_empty(&cs->temp_at_states) |
9d4bee2b | 1757 | && cs->mode == M_CID) { |
14fa73a7 HL |
1758 | sequence = SEQ_UMMODE; |
1759 | at_state = &cs->at_state; | |
1760 | for (i = 0; i < cs->channels; ++i) { | |
1761 | bcs = cs->bcs + i; | |
1762 | if (bcs->at_state.pending_commands || | |
1763 | bcs->at_state.cid > 0) { | |
1764 | sequence = SEQ_NONE; | |
1765 | break; | |
1766 | } | |
1767 | } | |
1768 | } | |
69049cc8 | 1769 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1770 | cs->at_state.pending_commands &= ~PC_UMMODE; |
1771 | if (sequence != SEQ_NONE) { | |
1772 | schedule_sequence(cs, at_state, sequence); | |
1773 | return; | |
1774 | } | |
1775 | ||
1776 | for (i = 0; i < cs->channels; ++i) { | |
1777 | bcs = cs->bcs + i; | |
1778 | if (bcs->at_state.pending_commands & PC_HUP) { | |
1779 | bcs->at_state.pending_commands &= ~PC_HUP; | |
1780 | if (bcs->at_state.pending_commands & PC_CID) { | |
1781 | /* not yet dialing: PC_NOCID is sufficient */ | |
1782 | bcs->at_state.pending_commands |= PC_NOCID; | |
1783 | bcs->at_state.pending_commands &= ~PC_CID; | |
1784 | } else { | |
1785 | schedule_sequence(cs, &bcs->at_state, SEQ_HUP); | |
1786 | return; | |
1787 | } | |
1788 | } | |
1789 | if (bcs->at_state.pending_commands & PC_NOCID) { | |
1790 | bcs->at_state.pending_commands &= ~PC_NOCID; | |
1791 | cs->curchannel = bcs->channel; | |
1792 | schedule_sequence(cs, &cs->at_state, SEQ_NOCID); | |
1793 | return; | |
1794 | } else if (bcs->at_state.pending_commands & PC_DLE0) { | |
1795 | bcs->at_state.pending_commands &= ~PC_DLE0; | |
1796 | cs->curchannel = bcs->channel; | |
1797 | schedule_sequence(cs, &cs->at_state, SEQ_DLE0); | |
1798 | return; | |
1799 | } | |
1800 | } | |
1801 | ||
1802 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1803 | if (at_state->pending_commands & PC_HUP) { | |
1804 | at_state->pending_commands &= ~PC_HUP; | |
1805 | schedule_sequence(cs, at_state, SEQ_HUP); | |
1806 | return; | |
1807 | } | |
1808 | ||
1809 | if (cs->at_state.pending_commands & PC_INIT) { | |
1810 | cs->at_state.pending_commands &= ~PC_INIT; | |
c35a87ff | 1811 | cs->dle = 0; |
14fa73a7 | 1812 | cs->inbuf->inputstate = INS_command; |
14fa73a7 HL |
1813 | schedule_sequence(cs, &cs->at_state, SEQ_INIT); |
1814 | return; | |
1815 | } | |
1816 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1817 | cs->at_state.pending_commands &= ~PC_SHUTDOWN; | |
1818 | schedule_sequence(cs, &cs->at_state, SEQ_SHUTDOWN); | |
1819 | return; | |
1820 | } | |
1821 | if (cs->at_state.pending_commands & PC_CIDMODE) { | |
1822 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
9d4bee2b | 1823 | if (cs->mode == M_UNIMODEM) { |
14fa73a7 | 1824 | cs->retry_count = 1; |
14fa73a7 HL |
1825 | schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE); |
1826 | return; | |
1827 | } | |
1828 | } | |
1829 | ||
1830 | for (i = 0; i < cs->channels; ++i) { | |
1831 | bcs = cs->bcs + i; | |
1832 | if (bcs->at_state.pending_commands & PC_DLE1) { | |
1833 | bcs->at_state.pending_commands &= ~PC_DLE1; | |
1834 | cs->curchannel = bcs->channel; | |
1835 | schedule_sequence(cs, &cs->at_state, SEQ_DLE1); | |
1836 | return; | |
1837 | } | |
1838 | if (bcs->at_state.pending_commands & PC_ACCEPT) { | |
1839 | bcs->at_state.pending_commands &= ~PC_ACCEPT; | |
1840 | schedule_sequence(cs, &bcs->at_state, SEQ_ACCEPT); | |
1841 | return; | |
1842 | } | |
1843 | if (bcs->at_state.pending_commands & PC_DIAL) { | |
1844 | bcs->at_state.pending_commands &= ~PC_DIAL; | |
1845 | schedule_sequence(cs, &bcs->at_state, SEQ_DIAL); | |
1846 | return; | |
1847 | } | |
1848 | if (bcs->at_state.pending_commands & PC_CID) { | |
9d4bee2b | 1849 | switch (cs->mode) { |
14fa73a7 HL |
1850 | case M_UNIMODEM: |
1851 | cs->at_state.pending_commands |= PC_CIDMODE; | |
784d5858 | 1852 | gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); |
9d4bee2b | 1853 | cs->commands_pending = 1; |
14fa73a7 HL |
1854 | return; |
1855 | #ifdef GIG_MAYINITONDIAL | |
1856 | case M_UNKNOWN: | |
1857 | schedule_init(cs, MS_INIT); | |
1858 | return; | |
1859 | #endif | |
1860 | } | |
1861 | bcs->at_state.pending_commands &= ~PC_CID; | |
1862 | cs->curchannel = bcs->channel; | |
1863 | #ifdef GIG_RETRYCID | |
1864 | cs->retry_count = 2; | |
1865 | #else | |
1866 | cs->retry_count = 1; | |
1867 | #endif | |
1868 | schedule_sequence(cs, &cs->at_state, SEQ_CID); | |
1869 | return; | |
1870 | } | |
1871 | } | |
1872 | } | |
1873 | ||
1874 | static void process_events(struct cardstate *cs) | |
1875 | { | |
1876 | struct event_t *ev; | |
1877 | unsigned head, tail; | |
1878 | int i; | |
1879 | int check_flags = 0; | |
1880 | int was_busy; | |
69049cc8 | 1881 | unsigned long flags; |
14fa73a7 | 1882 | |
69049cc8 TS |
1883 | spin_lock_irqsave(&cs->ev_lock, flags); |
1884 | head = cs->ev_head; | |
14fa73a7 HL |
1885 | |
1886 | for (i = 0; i < 2 * MAX_EVENTS; ++i) { | |
69049cc8 | 1887 | tail = cs->ev_tail; |
14fa73a7 | 1888 | if (tail == head) { |
9d4bee2b | 1889 | if (!check_flags && !cs->commands_pending) |
14fa73a7 HL |
1890 | break; |
1891 | check_flags = 0; | |
69049cc8 | 1892 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1893 | process_command_flags(cs); |
69049cc8 TS |
1894 | spin_lock_irqsave(&cs->ev_lock, flags); |
1895 | tail = cs->ev_tail; | |
14fa73a7 | 1896 | if (tail == head) { |
9d4bee2b | 1897 | if (!cs->commands_pending) |
14fa73a7 HL |
1898 | break; |
1899 | continue; | |
1900 | } | |
1901 | } | |
1902 | ||
1903 | ev = cs->events + head; | |
1904 | was_busy = cs->cur_at_seq != SEQ_NONE; | |
69049cc8 | 1905 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1906 | process_event(cs, ev); |
69049cc8 | 1907 | spin_lock_irqsave(&cs->ev_lock, flags); |
14fa73a7 HL |
1908 | kfree(ev->ptr); |
1909 | ev->ptr = NULL; | |
1910 | if (was_busy && cs->cur_at_seq == SEQ_NONE) | |
1911 | check_flags = 1; | |
1912 | ||
1913 | head = (head + 1) % MAX_EVENTS; | |
69049cc8 | 1914 | cs->ev_head = head; |
14fa73a7 HL |
1915 | } |
1916 | ||
69049cc8 TS |
1917 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
1918 | ||
14fa73a7 | 1919 | if (i == 2 * MAX_EVENTS) { |
784d5858 TS |
1920 | dev_err(cs->dev, |
1921 | "infinite loop in process_events; aborting.\n"); | |
14fa73a7 HL |
1922 | } |
1923 | } | |
1924 | ||
1925 | /* tasklet scheduled on any event received from the Gigaset device | |
1926 | * parameter: | |
1927 | * data ISDN controller state structure | |
1928 | */ | |
1929 | void gigaset_handle_event(unsigned long data) | |
1930 | { | |
1931 | struct cardstate *cs = (struct cardstate *) data; | |
1932 | ||
14fa73a7 | 1933 | /* handle incoming data on control/common channel */ |
9d4bee2b | 1934 | if (cs->inbuf->head != cs->inbuf->tail) { |
784d5858 | 1935 | gig_dbg(DEBUG_INTR, "processing new data"); |
14fa73a7 HL |
1936 | cs->ops->handle_input(cs->inbuf); |
1937 | } | |
1938 | ||
1939 | process_events(cs); | |
1940 | } |