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 | |
917f5085 | 38 | #define RT_ZCAU 6 |
14fa73a7 HL |
39 | |
40 | /* Possible ASCII responses */ | |
917f5085 | 41 | #define RSP_OK 0 |
2ed5e4ff | 42 | #define RSP_ERROR 1 |
917f5085 TS |
43 | #define RSP_ZGCI 3 |
44 | #define RSP_RING 4 | |
2ed5e4ff TS |
45 | #define RSP_ZVLS 5 |
46 | #define RSP_ZCAU 6 | |
47 | ||
48 | /* responses with values to store in at_state */ | |
49 | /* - numeric */ | |
917f5085 TS |
50 | #define RSP_VAR 100 |
51 | #define RSP_ZSAU (RSP_VAR + VAR_ZSAU) | |
52 | #define RSP_ZDLE (RSP_VAR + VAR_ZDLE) | |
917f5085 | 53 | #define RSP_ZCTP (RSP_VAR + VAR_ZCTP) |
2ed5e4ff | 54 | /* - string */ |
917f5085 TS |
55 | #define RSP_STR (RSP_VAR + VAR_NUM) |
56 | #define RSP_NMBR (RSP_STR + STR_NMBR) | |
57 | #define RSP_ZCPN (RSP_STR + STR_ZCPN) | |
58 | #define RSP_ZCON (RSP_STR + STR_ZCON) | |
59 | #define RSP_ZBC (RSP_STR + STR_ZBC) | |
60 | #define RSP_ZHLC (RSP_STR + STR_ZHLC) | |
2ed5e4ff | 61 | |
917f5085 | 62 | #define RSP_WRONG_CID -2 /* unknown cid in cmd */ |
917f5085 | 63 | #define RSP_INVAL -6 /* invalid response */ |
2ed5e4ff | 64 | #define RSP_NODEV -9 /* device not connected */ |
917f5085 TS |
65 | |
66 | #define RSP_NONE -19 | |
67 | #define RSP_STRING -20 | |
68 | #define RSP_NULL -21 | |
917f5085 TS |
69 | #define RSP_INIT -27 |
70 | #define RSP_ANY -26 | |
71 | #define RSP_LAST -28 | |
14fa73a7 HL |
72 | |
73 | /* actions for process_response */ | |
74 | #define ACT_NOTHING 0 | |
75 | #define ACT_SETDLE1 1 | |
76 | #define ACT_SETDLE0 2 | |
77 | #define ACT_FAILINIT 3 | |
78 | #define ACT_HUPMODEM 4 | |
79 | #define ACT_CONFIGMODE 5 | |
80 | #define ACT_INIT 6 | |
81 | #define ACT_DLE0 7 | |
82 | #define ACT_DLE1 8 | |
83 | #define ACT_FAILDLE0 9 | |
84 | #define ACT_FAILDLE1 10 | |
85 | #define ACT_RING 11 | |
86 | #define ACT_CID 12 | |
87 | #define ACT_FAILCID 13 | |
88 | #define ACT_SDOWN 14 | |
89 | #define ACT_FAILSDOWN 15 | |
90 | #define ACT_DEBUG 16 | |
91 | #define ACT_WARN 17 | |
92 | #define ACT_DIALING 18 | |
93 | #define ACT_ABORTDIAL 19 | |
94 | #define ACT_DISCONNECT 20 | |
95 | #define ACT_CONNECT 21 | |
96 | #define ACT_REMOTEREJECT 22 | |
917f5085 | 97 | #define ACT_CONNTIMEOUT 23 |
14fa73a7 HL |
98 | #define ACT_REMOTEHUP 24 |
99 | #define ACT_ABORTHUP 25 | |
100 | #define ACT_ICALL 26 | |
101 | #define ACT_ACCEPTED 27 | |
102 | #define ACT_ABORTACCEPT 28 | |
103 | #define ACT_TIMEOUT 29 | |
104 | #define ACT_GETSTRING 30 | |
105 | #define ACT_SETVER 31 | |
106 | #define ACT_FAILVER 32 | |
107 | #define ACT_GOTVER 33 | |
108 | #define ACT_TEST 34 | |
109 | #define ACT_ERROR 35 | |
110 | #define ACT_ABORTCID 36 | |
111 | #define ACT_ZCAU 37 | |
917f5085 TS |
112 | #define ACT_NOTIFY_BC_DOWN 38 |
113 | #define ACT_NOTIFY_BC_UP 39 | |
114 | #define ACT_DIAL 40 | |
115 | #define ACT_ACCEPT 41 | |
917f5085 TS |
116 | #define ACT_HUP 43 |
117 | #define ACT_IF_LOCK 44 | |
118 | #define ACT_START 45 | |
119 | #define ACT_STOP 46 | |
120 | #define ACT_FAKEDLE0 47 | |
121 | #define ACT_FAKEHUP 48 | |
122 | #define ACT_FAKESDOWN 49 | |
123 | #define ACT_SHUTDOWN 50 | |
124 | #define ACT_PROC_CIDMODE 51 | |
125 | #define ACT_UMODESET 52 | |
126 | #define ACT_FAILUMODE 53 | |
127 | #define ACT_CMODESET 54 | |
128 | #define ACT_FAILCMODE 55 | |
129 | #define ACT_IF_VER 56 | |
14fa73a7 HL |
130 | #define ACT_CMD 100 |
131 | ||
132 | /* at command sequences */ | |
917f5085 TS |
133 | #define SEQ_NONE 0 |
134 | #define SEQ_INIT 100 | |
135 | #define SEQ_DLE0 200 | |
136 | #define SEQ_DLE1 250 | |
137 | #define SEQ_CID 300 | |
138 | #define SEQ_NOCID 350 | |
139 | #define SEQ_HUP 400 | |
140 | #define SEQ_DIAL 600 | |
141 | #define SEQ_ACCEPT 720 | |
142 | #define SEQ_SHUTDOWN 500 | |
143 | #define SEQ_CIDMODE 10 | |
144 | #define SEQ_UMMODE 11 | |
14fa73a7 HL |
145 | |
146 | ||
c35a87ff TS |
147 | /* 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), |
148 | * 400: hup, 500: reset, 600: dial, 700: ring */ | |
528efc6a | 149 | struct reply_t gigaset_tab_nocid[] = |
14fa73a7 | 150 | { |
c35a87ff TS |
151 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, |
152 | * action, command */ | |
153 | ||
154 | /* initialize device, set cid mode if possible */ | |
155 | {RSP_INIT, -1, -1, SEQ_INIT, 100, 1, {ACT_TIMEOUT} }, | |
156 | ||
157 | {EV_TIMEOUT, 100, 100, -1, 101, 3, {0}, "Z\r"}, | |
158 | {RSP_OK, 101, 103, -1, 120, 5, {ACT_GETSTRING}, | |
159 | "+GMR\r"}, | |
160 | ||
161 | {EV_TIMEOUT, 101, 101, -1, 102, 5, {0}, "Z\r"}, | |
162 | {RSP_ERROR, 101, 101, -1, 102, 5, {0}, "Z\r"}, | |
163 | ||
164 | {EV_TIMEOUT, 102, 102, -1, 108, 5, {ACT_SETDLE1}, | |
165 | "^SDLE=0\r"}, | |
166 | {RSP_OK, 108, 108, -1, 104, -1}, | |
167 | {RSP_ZDLE, 104, 104, 0, 103, 5, {0}, "Z\r"}, | |
168 | {EV_TIMEOUT, 104, 104, -1, 0, 0, {ACT_FAILINIT} }, | |
169 | {RSP_ERROR, 108, 108, -1, 0, 0, {ACT_FAILINIT} }, | |
170 | ||
171 | {EV_TIMEOUT, 108, 108, -1, 105, 2, {ACT_SETDLE0, | |
172 | ACT_HUPMODEM, | |
173 | ACT_TIMEOUT} }, | |
174 | {EV_TIMEOUT, 105, 105, -1, 103, 5, {0}, "Z\r"}, | |
175 | ||
176 | {RSP_ERROR, 102, 102, -1, 107, 5, {0}, "^GETPRE\r"}, | |
177 | {RSP_OK, 107, 107, -1, 0, 0, {ACT_CONFIGMODE} }, | |
178 | {RSP_ERROR, 107, 107, -1, 0, 0, {ACT_FAILINIT} }, | |
179 | {EV_TIMEOUT, 107, 107, -1, 0, 0, {ACT_FAILINIT} }, | |
180 | ||
181 | {RSP_ERROR, 103, 103, -1, 0, 0, {ACT_FAILINIT} }, | |
182 | {EV_TIMEOUT, 103, 103, -1, 0, 0, {ACT_FAILINIT} }, | |
183 | ||
184 | {RSP_STRING, 120, 120, -1, 121, -1, {ACT_SETVER} }, | |
185 | ||
186 | {EV_TIMEOUT, 120, 121, -1, 0, 0, {ACT_FAILVER, | |
187 | ACT_INIT} }, | |
188 | {RSP_ERROR, 120, 121, -1, 0, 0, {ACT_FAILVER, | |
189 | ACT_INIT} }, | |
190 | {RSP_OK, 121, 121, -1, 0, 0, {ACT_GOTVER, | |
191 | ACT_INIT} }, | |
192 | ||
193 | /* leave dle mode */ | |
194 | {RSP_INIT, 0, 0, SEQ_DLE0, 201, 5, {0}, "^SDLE=0\r"}, | |
195 | {RSP_OK, 201, 201, -1, 202, -1}, | |
196 | {RSP_ZDLE, 202, 202, 0, 0, 0, {ACT_DLE0} }, | |
197 | {RSP_NODEV, 200, 249, -1, 0, 0, {ACT_FAKEDLE0} }, | |
198 | {RSP_ERROR, 200, 249, -1, 0, 0, {ACT_FAILDLE0} }, | |
199 | {EV_TIMEOUT, 200, 249, -1, 0, 0, {ACT_FAILDLE0} }, | |
200 | ||
201 | /* enter dle mode */ | |
202 | {RSP_INIT, 0, 0, SEQ_DLE1, 251, 5, {0}, "^SDLE=1\r"}, | |
203 | {RSP_OK, 251, 251, -1, 252, -1}, | |
204 | {RSP_ZDLE, 252, 252, 1, 0, 0, {ACT_DLE1} }, | |
205 | {RSP_ERROR, 250, 299, -1, 0, 0, {ACT_FAILDLE1} }, | |
206 | {EV_TIMEOUT, 250, 299, -1, 0, 0, {ACT_FAILDLE1} }, | |
207 | ||
208 | /* incoming call */ | |
209 | {RSP_RING, -1, -1, -1, -1, -1, {ACT_RING} }, | |
210 | ||
211 | /* get cid */ | |
212 | {RSP_INIT, 0, 0, SEQ_CID, 301, 5, {0}, "^SGCI?\r"}, | |
213 | {RSP_OK, 301, 301, -1, 302, -1}, | |
214 | {RSP_ZGCI, 302, 302, -1, 0, 0, {ACT_CID} }, | |
215 | {RSP_ERROR, 301, 349, -1, 0, 0, {ACT_FAILCID} }, | |
216 | {EV_TIMEOUT, 301, 349, -1, 0, 0, {ACT_FAILCID} }, | |
217 | ||
218 | /* enter cid mode */ | |
219 | {RSP_INIT, 0, 0, SEQ_CIDMODE, 150, 5, {0}, "^SGCI=1\r"}, | |
220 | {RSP_OK, 150, 150, -1, 0, 0, {ACT_CMODESET} }, | |
221 | {RSP_ERROR, 150, 150, -1, 0, 0, {ACT_FAILCMODE} }, | |
222 | {EV_TIMEOUT, 150, 150, -1, 0, 0, {ACT_FAILCMODE} }, | |
223 | ||
224 | /* leave cid mode */ | |
225 | {RSP_INIT, 0, 0, SEQ_UMMODE, 160, 5, {0}, "Z\r"}, | |
226 | {RSP_OK, 160, 160, -1, 0, 0, {ACT_UMODESET} }, | |
227 | {RSP_ERROR, 160, 160, -1, 0, 0, {ACT_FAILUMODE} }, | |
228 | {EV_TIMEOUT, 160, 160, -1, 0, 0, {ACT_FAILUMODE} }, | |
229 | ||
230 | /* abort getting cid */ | |
231 | {RSP_INIT, 0, 0, SEQ_NOCID, 0, 0, {ACT_ABORTCID} }, | |
232 | ||
233 | /* reset */ | |
234 | {RSP_INIT, 0, 0, SEQ_SHUTDOWN, 504, 5, {0}, "Z\r"}, | |
235 | {RSP_OK, 504, 504, -1, 0, 0, {ACT_SDOWN} }, | |
236 | {RSP_ERROR, 501, 599, -1, 0, 0, {ACT_FAILSDOWN} }, | |
237 | {EV_TIMEOUT, 501, 599, -1, 0, 0, {ACT_FAILSDOWN} }, | |
238 | {RSP_NODEV, 501, 599, -1, 0, 0, {ACT_FAKESDOWN} }, | |
239 | ||
240 | {EV_PROC_CIDMODE, -1, -1, -1, -1, -1, {ACT_PROC_CIDMODE} }, | |
241 | {EV_IF_LOCK, -1, -1, -1, -1, -1, {ACT_IF_LOCK} }, | |
242 | {EV_IF_VER, -1, -1, -1, -1, -1, {ACT_IF_VER} }, | |
243 | {EV_START, -1, -1, -1, -1, -1, {ACT_START} }, | |
244 | {EV_STOP, -1, -1, -1, -1, -1, {ACT_STOP} }, | |
245 | {EV_SHUTDOWN, -1, -1, -1, -1, -1, {ACT_SHUTDOWN} }, | |
246 | ||
247 | /* misc. */ | |
248 | {RSP_ERROR, -1, -1, -1, -1, -1, {ACT_ERROR} }, | |
c35a87ff TS |
249 | {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, |
250 | {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
251 | {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, | |
252 | {RSP_LAST} | |
14fa73a7 HL |
253 | }; |
254 | ||
c35a87ff TS |
255 | /* 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, |
256 | * 400: hup, 750: accepted icall */ | |
528efc6a | 257 | struct reply_t gigaset_tab_cid[] = |
14fa73a7 | 258 | { |
c35a87ff TS |
259 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, |
260 | * action, command */ | |
261 | ||
262 | /* dial */ | |
263 | {EV_DIAL, -1, -1, -1, -1, -1, {ACT_DIAL} }, | |
264 | {RSP_INIT, 0, 0, SEQ_DIAL, 601, 5, {ACT_CMD+AT_BC} }, | |
1ce368ff | 265 | {RSP_OK, 601, 601, -1, 603, 5, {ACT_CMD+AT_PROTO} }, |
c35a87ff TS |
266 | {RSP_OK, 603, 603, -1, 604, 5, {ACT_CMD+AT_TYPE} }, |
267 | {RSP_OK, 604, 604, -1, 605, 5, {ACT_CMD+AT_MSN} }, | |
268 | {RSP_NULL, 605, 605, -1, 606, 5, {ACT_CMD+AT_CLIP} }, | |
269 | {RSP_OK, 605, 605, -1, 606, 5, {ACT_CMD+AT_CLIP} }, | |
270 | {RSP_NULL, 606, 606, -1, 607, 5, {ACT_CMD+AT_ISO} }, | |
271 | {RSP_OK, 606, 606, -1, 607, 5, {ACT_CMD+AT_ISO} }, | |
272 | {RSP_OK, 607, 607, -1, 608, 5, {0}, "+VLS=17\r"}, | |
273 | {RSP_OK, 608, 608, -1, 609, -1}, | |
274 | {RSP_ZSAU, 609, 609, ZSAU_PROCEEDING, 610, 5, {ACT_CMD+AT_DIAL} }, | |
275 | {RSP_OK, 610, 610, -1, 650, 0, {ACT_DIALING} }, | |
276 | ||
277 | {RSP_ERROR, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} }, | |
278 | {EV_TIMEOUT, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} }, | |
279 | ||
280 | /* optional dialing responses */ | |
281 | {EV_BC_OPEN, 650, 650, -1, 651, -1}, | |
282 | {RSP_ZVLS, 609, 651, 17, -1, -1, {ACT_DEBUG} }, | |
283 | {RSP_ZCTP, 610, 651, -1, -1, -1, {ACT_DEBUG} }, | |
284 | {RSP_ZCPN, 610, 651, -1, -1, -1, {ACT_DEBUG} }, | |
285 | {RSP_ZSAU, 650, 651, ZSAU_CALL_DELIVERED, -1, -1, {ACT_DEBUG} }, | |
286 | ||
287 | /* connect */ | |
288 | {RSP_ZSAU, 650, 650, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT} }, | |
289 | {RSP_ZSAU, 651, 651, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT, | |
290 | ACT_NOTIFY_BC_UP} }, | |
291 | {RSP_ZSAU, 750, 750, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT} }, | |
292 | {RSP_ZSAU, 751, 751, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT, | |
293 | ACT_NOTIFY_BC_UP} }, | |
294 | {EV_BC_OPEN, 800, 800, -1, 800, -1, {ACT_NOTIFY_BC_UP} }, | |
295 | ||
296 | /* remote hangup */ | |
297 | {RSP_ZSAU, 650, 651, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT} }, | |
298 | {RSP_ZSAU, 750, 751, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP} }, | |
299 | {RSP_ZSAU, 800, 800, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP} }, | |
300 | ||
301 | /* hangup */ | |
302 | {EV_HUP, -1, -1, -1, -1, -1, {ACT_HUP} }, | |
303 | {RSP_INIT, -1, -1, SEQ_HUP, 401, 5, {0}, "+VLS=0\r"}, | |
304 | {RSP_OK, 401, 401, -1, 402, 5}, | |
305 | {RSP_ZVLS, 402, 402, 0, 403, 5}, | |
306 | {RSP_ZSAU, 403, 403, ZSAU_DISCONNECT_REQ, -1, -1, {ACT_DEBUG} }, | |
307 | {RSP_ZSAU, 403, 403, ZSAU_NULL, 0, 0, {ACT_DISCONNECT} }, | |
308 | {RSP_NODEV, 401, 403, -1, 0, 0, {ACT_FAKEHUP} }, | |
309 | {RSP_ERROR, 401, 401, -1, 0, 0, {ACT_ABORTHUP} }, | |
310 | {EV_TIMEOUT, 401, 403, -1, 0, 0, {ACT_ABORTHUP} }, | |
311 | ||
312 | {EV_BC_CLOSED, 0, 0, -1, 0, -1, {ACT_NOTIFY_BC_DOWN} }, | |
313 | ||
314 | /* ring */ | |
315 | {RSP_ZBC, 700, 700, -1, -1, -1, {0} }, | |
316 | {RSP_ZHLC, 700, 700, -1, -1, -1, {0} }, | |
317 | {RSP_NMBR, 700, 700, -1, -1, -1, {0} }, | |
318 | {RSP_ZCPN, 700, 700, -1, -1, -1, {0} }, | |
319 | {RSP_ZCTP, 700, 700, -1, -1, -1, {0} }, | |
320 | {EV_TIMEOUT, 700, 700, -1, 720, 720, {ACT_ICALL} }, | |
321 | {EV_BC_CLOSED, 720, 720, -1, 0, -1, {ACT_NOTIFY_BC_DOWN} }, | |
322 | ||
323 | /*accept icall*/ | |
324 | {EV_ACCEPT, -1, -1, -1, -1, -1, {ACT_ACCEPT} }, | |
325 | {RSP_INIT, 720, 720, SEQ_ACCEPT, 721, 5, {ACT_CMD+AT_PROTO} }, | |
326 | {RSP_OK, 721, 721, -1, 722, 5, {ACT_CMD+AT_ISO} }, | |
327 | {RSP_OK, 722, 722, -1, 723, 5, {0}, "+VLS=17\r"}, | |
328 | {RSP_OK, 723, 723, -1, 724, 5, {0} }, | |
329 | {RSP_ZVLS, 724, 724, 17, 750, 50, {ACT_ACCEPTED} }, | |
330 | {RSP_ERROR, 721, 729, -1, 0, 0, {ACT_ABORTACCEPT} }, | |
331 | {EV_TIMEOUT, 721, 729, -1, 0, 0, {ACT_ABORTACCEPT} }, | |
332 | {RSP_ZSAU, 700, 729, ZSAU_NULL, 0, 0, {ACT_ABORTACCEPT} }, | |
333 | {RSP_ZSAU, 700, 729, ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT} }, | |
334 | {RSP_ZSAU, 700, 729, ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT} }, | |
335 | ||
336 | {EV_BC_OPEN, 750, 750, -1, 751, -1}, | |
337 | {EV_TIMEOUT, 750, 751, -1, 0, 0, {ACT_CONNTIMEOUT} }, | |
338 | ||
339 | /* B channel closed (general case) */ | |
340 | {EV_BC_CLOSED, -1, -1, -1, -1, -1, {ACT_NOTIFY_BC_DOWN} }, | |
341 | ||
342 | /* misc. */ | |
343 | {RSP_ZCON, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
c35a87ff TS |
344 | {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, |
345 | {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
346 | {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, | |
347 | {RSP_LAST} | |
14fa73a7 HL |
348 | }; |
349 | ||
350 | ||
50e4fe91 TS |
351 | static const struct resp_type_t { |
352 | unsigned char *response; | |
353 | int resp_code; | |
354 | int type; | |
355 | } resp_type[] = | |
14fa73a7 | 356 | { |
917f5085 TS |
357 | {"OK", RSP_OK, RT_NOTHING}, |
358 | {"ERROR", RSP_ERROR, RT_NOTHING}, | |
359 | {"ZSAU", RSP_ZSAU, RT_ZSAU}, | |
360 | {"ZCAU", RSP_ZCAU, RT_ZCAU}, | |
361 | {"RING", RSP_RING, RT_RING}, | |
362 | {"ZGCI", RSP_ZGCI, RT_NUMBER}, | |
363 | {"ZVLS", RSP_ZVLS, RT_NUMBER}, | |
364 | {"ZCTP", RSP_ZCTP, RT_NUMBER}, | |
365 | {"ZDLE", RSP_ZDLE, RT_NUMBER}, | |
917f5085 TS |
366 | {"ZHLC", RSP_ZHLC, RT_STRING}, |
367 | {"ZBC", RSP_ZBC, RT_STRING}, | |
368 | {"NMBR", RSP_NMBR, RT_STRING}, | |
369 | {"ZCPN", RSP_ZCPN, RT_STRING}, | |
370 | {"ZCON", RSP_ZCON, RT_STRING}, | |
c35a87ff | 371 | {NULL, 0, 0} |
14fa73a7 HL |
372 | }; |
373 | ||
50e4fe91 TS |
374 | static const struct zsau_resp_t { |
375 | unsigned char *str; | |
376 | int code; | |
377 | } zsau_resp[] = | |
378 | { | |
379 | {"OUTGOING_CALL_PROCEEDING", ZSAU_OUTGOING_CALL_PROCEEDING}, | |
380 | {"CALL_DELIVERED", ZSAU_CALL_DELIVERED}, | |
381 | {"ACTIVE", ZSAU_ACTIVE}, | |
382 | {"DISCONNECT_IND", ZSAU_DISCONNECT_IND}, | |
383 | {"NULL", ZSAU_NULL}, | |
384 | {"DISCONNECT_REQ", ZSAU_DISCONNECT_REQ}, | |
385 | {NULL, ZSAU_UNKNOWN} | |
386 | }; | |
387 | ||
14fa73a7 HL |
388 | /* retrieve CID from parsed response |
389 | * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535 | |
390 | */ | |
391 | static int cid_of_response(char *s) | |
392 | { | |
c9741380 AS |
393 | unsigned long cid; |
394 | int rc; | |
14fa73a7 HL |
395 | |
396 | if (s[-1] != ';') | |
397 | return 0; /* no CID separator */ | |
c9741380 AS |
398 | rc = strict_strtoul(s, 10, &cid); |
399 | if (rc) | |
14fa73a7 HL |
400 | return 0; /* CID not numeric */ |
401 | if (cid < 1 || cid > 65535) | |
402 | return -1; /* CID out of range */ | |
403 | return cid; | |
14fa73a7 HL |
404 | } |
405 | ||
1cec9727 TS |
406 | /** |
407 | * gigaset_handle_modem_response() - process received modem response | |
408 | * @cs: device descriptor structure. | |
409 | * | |
410 | * Called by asyncdata/isocdata if a block of data received from the | |
411 | * device must be processed as a modem command response. The data is | |
412 | * already in the cs structure. | |
14fa73a7 HL |
413 | */ |
414 | void gigaset_handle_modem_response(struct cardstate *cs) | |
415 | { | |
416 | unsigned char *argv[MAX_REC_PARAMS + 1]; | |
417 | int params; | |
418 | int i, j; | |
35dc8457 | 419 | const struct resp_type_t *rt; |
50e4fe91 | 420 | const struct zsau_resp_t *zr; |
14fa73a7 HL |
421 | int curarg; |
422 | unsigned long flags; | |
423 | unsigned next, tail, head; | |
424 | struct event_t *event; | |
425 | int resp_code; | |
426 | int param_type; | |
427 | int abort; | |
428 | size_t len; | |
429 | int cid; | |
430 | int rawstring; | |
431 | ||
14fa73a7 HL |
432 | len = cs->cbytes; |
433 | if (!len) { | |
434 | /* ignore additional LFs/CRs (M10x config mode or cx100) */ | |
784d5858 | 435 | gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]); |
14fa73a7 HL |
436 | return; |
437 | } | |
438 | cs->respdata[len] = 0; | |
14fa73a7 HL |
439 | argv[0] = cs->respdata; |
440 | params = 1; | |
441 | if (cs->at_state.getstring) { | |
442 | /* getstring only allowed without cid at the moment */ | |
443 | cs->at_state.getstring = 0; | |
444 | rawstring = 1; | |
445 | cid = 0; | |
446 | } else { | |
447 | /* parse line */ | |
448 | for (i = 0; i < len; i++) | |
449 | switch (cs->respdata[i]) { | |
450 | case ';': | |
451 | case ',': | |
452 | case '=': | |
453 | if (params > MAX_REC_PARAMS) { | |
784d5858 TS |
454 | dev_warn(cs->dev, |
455 | "too many parameters in response\n"); | |
14fa73a7 HL |
456 | /* need last parameter (might be CID) */ |
457 | params--; | |
458 | } | |
459 | argv[params++] = cs->respdata + i + 1; | |
460 | } | |
461 | ||
462 | rawstring = 0; | |
463 | cid = params > 1 ? cid_of_response(argv[params-1]) : 0; | |
464 | if (cid < 0) { | |
465 | gigaset_add_event(cs, &cs->at_state, RSP_INVAL, | |
784d5858 | 466 | NULL, 0, NULL); |
14fa73a7 HL |
467 | return; |
468 | } | |
469 | ||
470 | for (j = 1; j < params; ++j) | |
471 | argv[j][-1] = 0; | |
472 | ||
1528b18f | 473 | gig_dbg(DEBUG_EVENT, "CMD received: %s", argv[0]); |
14fa73a7 HL |
474 | if (cid) { |
475 | --params; | |
1528b18f | 476 | gig_dbg(DEBUG_EVENT, "CID: %s", argv[params]); |
14fa73a7 | 477 | } |
1528b18f | 478 | gig_dbg(DEBUG_EVENT, "available params: %d", params - 1); |
14fa73a7 | 479 | for (j = 1; j < params; j++) |
1528b18f | 480 | gig_dbg(DEBUG_EVENT, "param %d: %s", j, argv[j]); |
14fa73a7 HL |
481 | } |
482 | ||
483 | spin_lock_irqsave(&cs->ev_lock, flags); | |
69049cc8 TS |
484 | head = cs->ev_head; |
485 | tail = cs->ev_tail; | |
14fa73a7 HL |
486 | |
487 | abort = 1; | |
488 | curarg = 0; | |
489 | while (curarg < params) { | |
490 | next = (tail + 1) % MAX_EVENTS; | |
491 | if (unlikely(next == head)) { | |
784d5858 | 492 | dev_err(cs->dev, "event queue full\n"); |
14fa73a7 HL |
493 | break; |
494 | } | |
495 | ||
496 | event = cs->events + tail; | |
497 | event->at_state = NULL; | |
498 | event->cid = cid; | |
499 | event->ptr = NULL; | |
500 | event->arg = NULL; | |
501 | tail = next; | |
502 | ||
503 | if (rawstring) { | |
504 | resp_code = RSP_STRING; | |
505 | param_type = RT_STRING; | |
506 | } else { | |
507 | for (rt = resp_type; rt->response; ++rt) | |
508 | if (!strcmp(argv[curarg], rt->response)) | |
509 | break; | |
510 | ||
511 | if (!rt->response) { | |
2ed5e4ff TS |
512 | event->type = RSP_NONE; |
513 | gig_dbg(DEBUG_EVENT, | |
514 | "unknown modem response: '%s'\n", | |
515 | argv[curarg]); | |
14fa73a7 HL |
516 | break; |
517 | } | |
518 | ||
519 | resp_code = rt->resp_code; | |
520 | param_type = rt->type; | |
521 | ++curarg; | |
522 | } | |
523 | ||
524 | event->type = resp_code; | |
525 | ||
526 | switch (param_type) { | |
527 | case RT_NOTHING: | |
528 | break; | |
529 | case RT_RING: | |
530 | if (!cid) { | |
784d5858 TS |
531 | dev_err(cs->dev, |
532 | "received RING without CID!\n"); | |
14fa73a7 HL |
533 | event->type = RSP_INVAL; |
534 | abort = 1; | |
535 | } else { | |
536 | event->cid = 0; | |
537 | event->parameter = cid; | |
538 | abort = 0; | |
539 | } | |
540 | break; | |
541 | case RT_ZSAU: | |
542 | if (curarg >= params) { | |
543 | event->parameter = ZSAU_NONE; | |
544 | break; | |
545 | } | |
50e4fe91 TS |
546 | for (zr = zsau_resp; zr->str; ++zr) |
547 | if (!strcmp(argv[curarg], zr->str)) | |
548 | break; | |
549 | event->parameter = zr->code; | |
550 | if (!zr->str) | |
784d5858 TS |
551 | dev_warn(cs->dev, |
552 | "%s: unknown parameter %s after ZSAU\n", | |
553 | __func__, argv[curarg]); | |
14fa73a7 HL |
554 | ++curarg; |
555 | break; | |
556 | case RT_STRING: | |
557 | if (curarg < params) { | |
784d5858 TS |
558 | event->ptr = kstrdup(argv[curarg], GFP_ATOMIC); |
559 | if (!event->ptr) | |
560 | dev_err(cs->dev, "out of memory\n"); | |
14fa73a7 HL |
561 | ++curarg; |
562 | } | |
1528b18f | 563 | gig_dbg(DEBUG_EVENT, "string==%s", |
236b87c2 | 564 | event->ptr ? (char *) event->ptr : "NULL"); |
14fa73a7 HL |
565 | break; |
566 | case RT_ZCAU: | |
567 | event->parameter = -1; | |
568 | if (curarg + 1 < params) { | |
c9741380 AS |
569 | unsigned long type, value; |
570 | ||
571 | i = strict_strtoul(argv[curarg++], 16, &type); | |
572 | j = strict_strtoul(argv[curarg++], 16, &value); | |
573 | ||
574 | if (i == 0 && type < 256 && | |
575 | j == 0 && value < 256) | |
576 | event->parameter = (type << 8) | value; | |
14fa73a7 HL |
577 | } else |
578 | curarg = params - 1; | |
579 | break; | |
580 | case RT_NUMBER: | |
c9741380 | 581 | event->parameter = -1; |
14fa73a7 | 582 | if (curarg < params) { |
c9741380 AS |
583 | unsigned long res; |
584 | int rc; | |
585 | ||
586 | rc = strict_strtoul(argv[curarg++], 10, &res); | |
587 | if (rc == 0) | |
588 | event->parameter = res; | |
589 | } | |
1528b18f | 590 | gig_dbg(DEBUG_EVENT, "parameter==%d", event->parameter); |
14fa73a7 HL |
591 | break; |
592 | } | |
593 | ||
594 | if (resp_code == RSP_ZDLE) | |
595 | cs->dle = event->parameter; | |
596 | ||
597 | if (abort) | |
598 | break; | |
599 | } | |
600 | ||
69049cc8 | 601 | cs->ev_tail = tail; |
14fa73a7 HL |
602 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
603 | ||
604 | if (curarg != params) | |
1528b18f | 605 | gig_dbg(DEBUG_EVENT, |
784d5858 TS |
606 | "invalid number of processed parameters: %d/%d", |
607 | curarg, params); | |
14fa73a7 HL |
608 | } |
609 | EXPORT_SYMBOL_GPL(gigaset_handle_modem_response); | |
610 | ||
611 | /* disconnect | |
612 | * process closing of connection associated with given AT state structure | |
613 | */ | |
614 | static void disconnect(struct at_state_t **at_state_p) | |
615 | { | |
616 | unsigned long flags; | |
d48c7784 TS |
617 | struct bc_state *bcs = (*at_state_p)->bcs; |
618 | struct cardstate *cs = (*at_state_p)->cs; | |
14fa73a7 | 619 | |
69049cc8 TS |
620 | spin_lock_irqsave(&cs->lock, flags); |
621 | ++(*at_state_p)->seq_index; | |
14fa73a7 HL |
622 | |
623 | /* revert to selected idle mode */ | |
69049cc8 | 624 | if (!cs->cidmode) { |
14fa73a7 | 625 | cs->at_state.pending_commands |= PC_UMMODE; |
1528b18f | 626 | gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE"); |
9d4bee2b | 627 | cs->commands_pending = 1; |
14fa73a7 | 628 | } |
69049cc8 | 629 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
630 | |
631 | if (bcs) { | |
632 | /* B channel assigned: invoke hardware specific handler */ | |
633 | cs->ops->close_bchannel(bcs); | |
3305adff TS |
634 | /* notify LL */ |
635 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
636 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
088ec0cc | 637 | gigaset_isdn_hupD(bcs); |
3305adff | 638 | } |
14fa73a7 HL |
639 | } else { |
640 | /* no B channel assigned: just deallocate */ | |
641 | spin_lock_irqsave(&cs->lock, flags); | |
642 | list_del(&(*at_state_p)->list); | |
643 | kfree(*at_state_p); | |
644 | *at_state_p = NULL; | |
645 | spin_unlock_irqrestore(&cs->lock, flags); | |
646 | } | |
647 | } | |
648 | ||
649 | /* get_free_channel | |
650 | * get a free AT state structure: either one of those associated with the | |
651 | * B channels of the Gigaset device, or if none of those is available, | |
652 | * a newly allocated one with bcs=NULL | |
653 | * The structure should be freed by calling disconnect() after use. | |
654 | */ | |
655 | static inline struct at_state_t *get_free_channel(struct cardstate *cs, | |
784d5858 | 656 | int cid) |
14fa73a7 HL |
657 | /* cids: >0: siemens-cid |
658 | 0: without cid | |
659 | -1: no cid assigned yet | |
660 | */ | |
661 | { | |
662 | unsigned long flags; | |
663 | int i; | |
664 | struct at_state_t *ret; | |
665 | ||
666 | for (i = 0; i < cs->channels; ++i) | |
667 | if (gigaset_get_channel(cs->bcs + i)) { | |
668 | ret = &cs->bcs[i].at_state; | |
669 | ret->cid = cid; | |
670 | return ret; | |
671 | } | |
672 | ||
673 | spin_lock_irqsave(&cs->lock, flags); | |
674 | ret = kmalloc(sizeof(struct at_state_t), GFP_ATOMIC); | |
675 | if (ret) { | |
676 | gigaset_at_init(ret, NULL, cs, cid); | |
677 | list_add(&ret->list, &cs->temp_at_states); | |
678 | } | |
679 | spin_unlock_irqrestore(&cs->lock, flags); | |
680 | return ret; | |
681 | } | |
682 | ||
683 | static void init_failed(struct cardstate *cs, int mode) | |
684 | { | |
685 | int i; | |
686 | struct at_state_t *at_state; | |
687 | ||
688 | cs->at_state.pending_commands &= ~PC_INIT; | |
9d4bee2b TS |
689 | cs->mode = mode; |
690 | cs->mstate = MS_UNINITIALIZED; | |
14fa73a7 HL |
691 | gigaset_free_channels(cs); |
692 | for (i = 0; i < cs->channels; ++i) { | |
693 | at_state = &cs->bcs[i].at_state; | |
694 | if (at_state->pending_commands & PC_CID) { | |
695 | at_state->pending_commands &= ~PC_CID; | |
696 | at_state->pending_commands |= PC_NOCID; | |
9d4bee2b | 697 | cs->commands_pending = 1; |
14fa73a7 HL |
698 | } |
699 | } | |
700 | } | |
701 | ||
702 | static void schedule_init(struct cardstate *cs, int state) | |
703 | { | |
704 | if (cs->at_state.pending_commands & PC_INIT) { | |
1528b18f | 705 | gig_dbg(DEBUG_EVENT, "not scheduling PC_INIT again"); |
14fa73a7 HL |
706 | return; |
707 | } | |
9d4bee2b TS |
708 | cs->mstate = state; |
709 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
710 | gigaset_block_channels(cs); |
711 | cs->at_state.pending_commands |= PC_INIT; | |
1528b18f | 712 | gig_dbg(DEBUG_EVENT, "Scheduling PC_INIT"); |
9d4bee2b | 713 | cs->commands_pending = 1; |
14fa73a7 HL |
714 | } |
715 | ||
917f5085 TS |
716 | /* Add "AT" to a command, add the cid, dle encode it, send the result to the |
717 | hardware. */ | |
14fa73a7 | 718 | static void send_command(struct cardstate *cs, const char *cmd, int cid, |
784d5858 | 719 | int dle, gfp_t kmallocflags) |
14fa73a7 | 720 | { |
e3628dd1 TS |
721 | struct cmdbuf_t *cb; |
722 | size_t buflen; | |
14fa73a7 | 723 | |
e3628dd1 TS |
724 | buflen = strlen(cmd) + 12; /* DLE ( A T 1 2 3 4 5 <cmd> DLE ) \0 */ |
725 | cb = kmalloc(sizeof(struct cmdbuf_t) + buflen, kmallocflags); | |
726 | if (!cb) { | |
727 | dev_err(cs->dev, "%s: out of memory\n", __func__); | |
784d5858 TS |
728 | return; |
729 | } | |
e3628dd1 TS |
730 | if (cid > 0 && cid <= 65535) |
731 | cb->len = snprintf(cb->buf, buflen, | |
732 | dle ? "\020(AT%d%s\020)" : "AT%d%s", | |
733 | cid, cmd); | |
734 | else | |
735 | cb->len = snprintf(cb->buf, buflen, | |
736 | dle ? "\020(AT%s\020)" : "AT%s", | |
737 | cmd); | |
738 | cb->offset = 0; | |
739 | cb->next = NULL; | |
740 | cb->wake_tasklet = NULL; | |
741 | cs->ops->write_cmd(cs, cb); | |
14fa73a7 HL |
742 | } |
743 | ||
744 | static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid) | |
745 | { | |
746 | struct at_state_t *at_state; | |
747 | int i; | |
748 | unsigned long flags; | |
749 | ||
750 | if (cid == 0) | |
751 | return &cs->at_state; | |
752 | ||
753 | for (i = 0; i < cs->channels; ++i) | |
754 | if (cid == cs->bcs[i].at_state.cid) | |
755 | return &cs->bcs[i].at_state; | |
756 | ||
757 | spin_lock_irqsave(&cs->lock, flags); | |
758 | ||
759 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
760 | if (cid == at_state->cid) { | |
761 | spin_unlock_irqrestore(&cs->lock, flags); | |
762 | return at_state; | |
763 | } | |
764 | ||
765 | spin_unlock_irqrestore(&cs->lock, flags); | |
766 | ||
767 | return NULL; | |
768 | } | |
769 | ||
770 | static void bchannel_down(struct bc_state *bcs) | |
771 | { | |
14fa73a7 HL |
772 | if (bcs->chstate & CHS_B_UP) { |
773 | bcs->chstate &= ~CHS_B_UP; | |
088ec0cc | 774 | gigaset_isdn_hupB(bcs); |
14fa73a7 HL |
775 | } |
776 | ||
777 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
778 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
088ec0cc | 779 | gigaset_isdn_hupD(bcs); |
14fa73a7 HL |
780 | } |
781 | ||
782 | gigaset_free_channel(bcs); | |
783 | ||
784 | gigaset_bcs_reinit(bcs); | |
785 | } | |
786 | ||
787 | static void bchannel_up(struct bc_state *bcs) | |
788 | { | |
14fa73a7 | 789 | if (bcs->chstate & CHS_B_UP) { |
784d5858 TS |
790 | dev_notice(bcs->cs->dev, "%s: B channel already up\n", |
791 | __func__); | |
14fa73a7 HL |
792 | return; |
793 | } | |
794 | ||
795 | bcs->chstate |= CHS_B_UP; | |
088ec0cc | 796 | gigaset_isdn_connB(bcs); |
14fa73a7 HL |
797 | } |
798 | ||
c35a87ff TS |
799 | static void start_dial(struct at_state_t *at_state, void *data, |
800 | unsigned seq_index) | |
14fa73a7 HL |
801 | { |
802 | struct bc_state *bcs = at_state->bcs; | |
803 | struct cardstate *cs = at_state->cs; | |
088ec0cc | 804 | char **commands = data; |
69049cc8 | 805 | unsigned long flags; |
088ec0cc | 806 | int i; |
14fa73a7 HL |
807 | |
808 | bcs->chstate |= CHS_NOTIFY_LL; | |
14fa73a7 | 809 | |
69049cc8 TS |
810 | spin_lock_irqsave(&cs->lock, flags); |
811 | if (at_state->seq_index != seq_index) { | |
812 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 813 | goto error; |
69049cc8 TS |
814 | } |
815 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 816 | |
088ec0cc TS |
817 | for (i = 0; i < AT_NUM; ++i) { |
818 | kfree(bcs->commands[i]); | |
819 | bcs->commands[i] = commands[i]; | |
820 | } | |
14fa73a7 HL |
821 | |
822 | at_state->pending_commands |= PC_CID; | |
1528b18f | 823 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CID"); |
9d4bee2b | 824 | cs->commands_pending = 1; |
14fa73a7 HL |
825 | return; |
826 | ||
827 | error: | |
088ec0cc TS |
828 | for (i = 0; i < AT_NUM; ++i) { |
829 | kfree(commands[i]); | |
830 | commands[i] = NULL; | |
831 | } | |
14fa73a7 | 832 | at_state->pending_commands |= PC_NOCID; |
1528b18f | 833 | gig_dbg(DEBUG_EVENT, "Scheduling PC_NOCID"); |
9d4bee2b | 834 | cs->commands_pending = 1; |
14fa73a7 HL |
835 | return; |
836 | } | |
837 | ||
838 | static void start_accept(struct at_state_t *at_state) | |
839 | { | |
840 | struct cardstate *cs = at_state->cs; | |
088ec0cc TS |
841 | struct bc_state *bcs = at_state->bcs; |
842 | int i; | |
14fa73a7 | 843 | |
088ec0cc TS |
844 | for (i = 0; i < AT_NUM; ++i) { |
845 | kfree(bcs->commands[i]); | |
846 | bcs->commands[i] = NULL; | |
847 | } | |
14fa73a7 | 848 | |
088ec0cc TS |
849 | bcs->commands[AT_PROTO] = kmalloc(9, GFP_ATOMIC); |
850 | bcs->commands[AT_ISO] = kmalloc(9, GFP_ATOMIC); | |
851 | if (!bcs->commands[AT_PROTO] || !bcs->commands[AT_ISO]) { | |
852 | dev_err(at_state->cs->dev, "out of memory\n"); | |
9d4bee2b | 853 | /* error reset */ |
14fa73a7 | 854 | at_state->pending_commands |= PC_HUP; |
1528b18f | 855 | gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP"); |
9d4bee2b | 856 | cs->commands_pending = 1; |
088ec0cc | 857 | return; |
14fa73a7 | 858 | } |
088ec0cc TS |
859 | |
860 | snprintf(bcs->commands[AT_PROTO], 9, "^SBPR=%u\r", bcs->proto2); | |
861 | snprintf(bcs->commands[AT_ISO], 9, "^SISO=%u\r", bcs->channel + 1); | |
862 | ||
863 | at_state->pending_commands |= PC_ACCEPT; | |
1528b18f | 864 | gig_dbg(DEBUG_EVENT, "Scheduling PC_ACCEPT"); |
088ec0cc | 865 | cs->commands_pending = 1; |
14fa73a7 HL |
866 | } |
867 | ||
868 | static void do_start(struct cardstate *cs) | |
869 | { | |
870 | gigaset_free_channels(cs); | |
871 | ||
9d4bee2b | 872 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
873 | schedule_init(cs, MS_INIT); |
874 | ||
69049cc8 | 875 | cs->isdn_up = 1; |
088ec0cc | 876 | gigaset_isdn_start(cs); |
14fa73a7 HL |
877 | |
878 | cs->waiting = 0; | |
879 | wake_up(&cs->waitqueue); | |
880 | } | |
881 | ||
882 | static void finish_shutdown(struct cardstate *cs) | |
883 | { | |
9d4bee2b TS |
884 | if (cs->mstate != MS_LOCKED) { |
885 | cs->mstate = MS_UNINITIALIZED; | |
886 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
887 | } |
888 | ||
69049cc8 TS |
889 | /* Tell the LL that the device is not available .. */ |
890 | if (cs->isdn_up) { | |
891 | cs->isdn_up = 0; | |
088ec0cc | 892 | gigaset_isdn_stop(cs); |
69049cc8 TS |
893 | } |
894 | ||
14fa73a7 HL |
895 | /* The rest is done by cleanup_cs () in user mode. */ |
896 | ||
897 | cs->cmd_result = -ENODEV; | |
898 | cs->waiting = 0; | |
2869b23e | 899 | wake_up(&cs->waitqueue); |
14fa73a7 HL |
900 | } |
901 | ||
902 | static void do_shutdown(struct cardstate *cs) | |
903 | { | |
904 | gigaset_block_channels(cs); | |
905 | ||
9d4bee2b TS |
906 | if (cs->mstate == MS_READY) { |
907 | cs->mstate = MS_SHUTDOWN; | |
14fa73a7 | 908 | cs->at_state.pending_commands |= PC_SHUTDOWN; |
1528b18f | 909 | gig_dbg(DEBUG_EVENT, "Scheduling PC_SHUTDOWN"); |
9d4bee2b | 910 | cs->commands_pending = 1; |
14fa73a7 HL |
911 | } else |
912 | finish_shutdown(cs); | |
913 | } | |
914 | ||
915 | static void do_stop(struct cardstate *cs) | |
916 | { | |
69049cc8 TS |
917 | unsigned long flags; |
918 | ||
919 | spin_lock_irqsave(&cs->lock, flags); | |
920 | cs->connected = 0; | |
921 | spin_unlock_irqrestore(&cs->lock, flags); | |
922 | ||
14fa73a7 HL |
923 | do_shutdown(cs); |
924 | } | |
925 | ||
926 | /* Entering cid mode or getting a cid failed: | |
927 | * try to initialize the device and try again. | |
928 | * | |
929 | * channel >= 0: getting cid for the channel failed | |
930 | * channel < 0: entering cid mode failed | |
931 | * | |
932 | * returns 0 on failure | |
933 | */ | |
934 | static int reinit_and_retry(struct cardstate *cs, int channel) | |
935 | { | |
936 | int i; | |
937 | ||
938 | if (--cs->retry_count <= 0) | |
939 | return 0; | |
940 | ||
941 | for (i = 0; i < cs->channels; ++i) | |
942 | if (cs->bcs[i].at_state.cid > 0) | |
943 | return 0; | |
944 | ||
945 | if (channel < 0) | |
784d5858 TS |
946 | dev_warn(cs->dev, |
947 | "Could not enter cid mode. Reinit device and try again.\n"); | |
14fa73a7 | 948 | else { |
784d5858 TS |
949 | dev_warn(cs->dev, |
950 | "Could not get a call id. Reinit device and try again.\n"); | |
14fa73a7 HL |
951 | cs->bcs[channel].at_state.pending_commands |= PC_CID; |
952 | } | |
953 | schedule_init(cs, MS_INIT); | |
954 | return 1; | |
955 | } | |
956 | ||
957 | static int at_state_invalid(struct cardstate *cs, | |
784d5858 | 958 | struct at_state_t *test_ptr) |
14fa73a7 HL |
959 | { |
960 | unsigned long flags; | |
961 | unsigned channel; | |
962 | struct at_state_t *at_state; | |
963 | int retval = 0; | |
964 | ||
965 | spin_lock_irqsave(&cs->lock, flags); | |
966 | ||
967 | if (test_ptr == &cs->at_state) | |
968 | goto exit; | |
969 | ||
970 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
971 | if (at_state == test_ptr) | |
972 | goto exit; | |
973 | ||
974 | for (channel = 0; channel < cs->channels; ++channel) | |
975 | if (&cs->bcs[channel].at_state == test_ptr) | |
976 | goto exit; | |
977 | ||
978 | retval = 1; | |
979 | exit: | |
980 | spin_unlock_irqrestore(&cs->lock, flags); | |
981 | return retval; | |
982 | } | |
983 | ||
984 | static void handle_icall(struct cardstate *cs, struct bc_state *bcs, | |
985 | struct at_state_t **p_at_state) | |
986 | { | |
987 | int retval; | |
988 | struct at_state_t *at_state = *p_at_state; | |
989 | ||
990 | retval = gigaset_isdn_icall(at_state); | |
991 | switch (retval) { | |
992 | case ICALL_ACCEPT: | |
993 | break; | |
994 | default: | |
784d5858 | 995 | dev_err(cs->dev, "internal error: disposition=%d\n", retval); |
14fa73a7 HL |
996 | /* --v-- fall through --v-- */ |
997 | case ICALL_IGNORE: | |
998 | case ICALL_REJECT: | |
999 | /* hang up actively | |
1000 | * Device doc says that would reject the call. | |
1001 | * In fact it doesn't. | |
1002 | */ | |
1003 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1004 | cs->commands_pending = 1; |
14fa73a7 HL |
1005 | break; |
1006 | } | |
1007 | } | |
1008 | ||
1009 | static int do_lock(struct cardstate *cs) | |
1010 | { | |
1011 | int mode; | |
1012 | int i; | |
1013 | ||
9d4bee2b | 1014 | switch (cs->mstate) { |
14fa73a7 HL |
1015 | case MS_UNINITIALIZED: |
1016 | case MS_READY: | |
1017 | if (cs->cur_at_seq || !list_empty(&cs->temp_at_states) || | |
1018 | cs->at_state.pending_commands) | |
1019 | return -EBUSY; | |
1020 | ||
1021 | for (i = 0; i < cs->channels; ++i) | |
1022 | if (cs->bcs[i].at_state.pending_commands) | |
1023 | return -EBUSY; | |
1024 | ||
1025 | if (!gigaset_get_channels(cs)) | |
1026 | return -EBUSY; | |
1027 | ||
1028 | break; | |
1029 | case MS_LOCKED: | |
14fa73a7 HL |
1030 | break; |
1031 | default: | |
1032 | return -EBUSY; | |
1033 | } | |
1034 | ||
9d4bee2b TS |
1035 | mode = cs->mode; |
1036 | cs->mstate = MS_LOCKED; | |
1037 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
1038 | |
1039 | return mode; | |
1040 | } | |
1041 | ||
1042 | static int do_unlock(struct cardstate *cs) | |
1043 | { | |
9d4bee2b | 1044 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
1045 | return -EINVAL; |
1046 | ||
9d4bee2b TS |
1047 | cs->mstate = MS_UNINITIALIZED; |
1048 | cs->mode = M_UNKNOWN; | |
14fa73a7 | 1049 | gigaset_free_channels(cs); |
69049cc8 | 1050 | if (cs->connected) |
14fa73a7 HL |
1051 | schedule_init(cs, MS_INIT); |
1052 | ||
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | static void do_action(int action, struct cardstate *cs, | |
1057 | struct bc_state *bcs, | |
1058 | struct at_state_t **p_at_state, char **pp_command, | |
1059 | int *p_genresp, int *p_resp_code, | |
1060 | struct event_t *ev) | |
1061 | { | |
1062 | struct at_state_t *at_state = *p_at_state; | |
1063 | struct at_state_t *at_state2; | |
1064 | unsigned long flags; | |
1065 | ||
1066 | int channel; | |
1067 | ||
1068 | unsigned char *s, *e; | |
1069 | int i; | |
1070 | unsigned long val; | |
1071 | ||
1072 | switch (action) { | |
1073 | case ACT_NOTHING: | |
1074 | break; | |
1075 | case ACT_TIMEOUT: | |
1076 | at_state->waiting = 1; | |
1077 | break; | |
1078 | case ACT_INIT: | |
14fa73a7 HL |
1079 | cs->at_state.pending_commands &= ~PC_INIT; |
1080 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1081 | cs->mode = M_UNIMODEM; |
69049cc8 TS |
1082 | spin_lock_irqsave(&cs->lock, flags); |
1083 | if (!cs->cidmode) { | |
1084 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 1085 | gigaset_free_channels(cs); |
9d4bee2b | 1086 | cs->mstate = MS_READY; |
14fa73a7 HL |
1087 | break; |
1088 | } | |
69049cc8 | 1089 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1090 | cs->at_state.pending_commands |= PC_CIDMODE; |
1528b18f | 1091 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE"); |
9d4bee2b | 1092 | cs->commands_pending = 1; |
14fa73a7 HL |
1093 | break; |
1094 | case ACT_FAILINIT: | |
784d5858 | 1095 | dev_warn(cs->dev, "Could not initialize the device.\n"); |
14fa73a7 HL |
1096 | cs->dle = 0; |
1097 | init_failed(cs, M_UNKNOWN); | |
1098 | cs->cur_at_seq = SEQ_NONE; | |
1099 | break; | |
1100 | case ACT_CONFIGMODE: | |
1101 | init_failed(cs, M_CONFIG); | |
1102 | cs->cur_at_seq = SEQ_NONE; | |
1103 | break; | |
1104 | case ACT_SETDLE1: | |
1105 | cs->dle = 1; | |
1106 | /* cs->inbuf[0].inputstate |= INS_command | INS_DLE_command; */ | |
1107 | cs->inbuf[0].inputstate &= | |
1108 | ~(INS_command | INS_DLE_command); | |
1109 | break; | |
1110 | case ACT_SETDLE0: | |
1111 | cs->dle = 0; | |
1112 | cs->inbuf[0].inputstate = | |
1113 | (cs->inbuf[0].inputstate & ~INS_DLE_command) | |
1114 | | INS_command; | |
1115 | break; | |
1116 | case ACT_CMODESET: | |
9d4bee2b | 1117 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 | 1118 | gigaset_free_channels(cs); |
9d4bee2b | 1119 | cs->mstate = MS_READY; |
14fa73a7 | 1120 | } |
9d4bee2b | 1121 | cs->mode = M_CID; |
14fa73a7 HL |
1122 | cs->cur_at_seq = SEQ_NONE; |
1123 | break; | |
1124 | case ACT_UMODESET: | |
9d4bee2b | 1125 | cs->mode = M_UNIMODEM; |
14fa73a7 HL |
1126 | cs->cur_at_seq = SEQ_NONE; |
1127 | break; | |
1128 | case ACT_FAILCMODE: | |
1129 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1130 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1131 | init_failed(cs, M_UNKNOWN); |
1132 | break; | |
1133 | } | |
1134 | if (!reinit_and_retry(cs, -1)) | |
1135 | schedule_init(cs, MS_RECOVER); | |
1136 | break; | |
1137 | case ACT_FAILUMODE: | |
1138 | cs->cur_at_seq = SEQ_NONE; | |
1139 | schedule_init(cs, MS_RECOVER); | |
1140 | break; | |
1141 | case ACT_HUPMODEM: | |
1142 | /* send "+++" (hangup in unimodem mode) */ | |
e3628dd1 TS |
1143 | if (cs->connected) { |
1144 | struct cmdbuf_t *cb; | |
1145 | ||
1146 | cb = kmalloc(sizeof(struct cmdbuf_t) + 3, GFP_ATOMIC); | |
1147 | if (!cb) { | |
1148 | dev_err(cs->dev, "%s: out of memory\n", | |
1149 | __func__); | |
1150 | return; | |
1151 | } | |
1152 | memcpy(cb->buf, "+++", 3); | |
1153 | cb->len = 3; | |
1154 | cb->offset = 0; | |
1155 | cb->next = NULL; | |
1156 | cb->wake_tasklet = NULL; | |
1157 | cs->ops->write_cmd(cs, cb); | |
1158 | } | |
14fa73a7 HL |
1159 | break; |
1160 | case ACT_RING: | |
1161 | /* get fresh AT state structure for new CID */ | |
1162 | at_state2 = get_free_channel(cs, ev->parameter); | |
1163 | if (!at_state2) { | |
784d5858 TS |
1164 | dev_warn(cs->dev, |
1165 | "RING ignored: could not allocate channel structure\n"); | |
14fa73a7 HL |
1166 | break; |
1167 | } | |
1168 | ||
1169 | /* initialize AT state structure | |
1170 | * note that bcs may be NULL if no B channel is free | |
1171 | */ | |
1172 | at_state2->ConState = 700; | |
3a0a3a6b TS |
1173 | for (i = 0; i < STR_NUM; ++i) { |
1174 | kfree(at_state2->str_var[i]); | |
1175 | at_state2->str_var[i] = NULL; | |
1176 | } | |
14fa73a7 HL |
1177 | at_state2->int_var[VAR_ZCTP] = -1; |
1178 | ||
1179 | spin_lock_irqsave(&cs->lock, flags); | |
1180 | at_state2->timer_expires = RING_TIMEOUT; | |
1181 | at_state2->timer_active = 1; | |
1182 | spin_unlock_irqrestore(&cs->lock, flags); | |
1183 | break; | |
1184 | case ACT_ICALL: | |
1185 | handle_icall(cs, bcs, p_at_state); | |
14fa73a7 HL |
1186 | break; |
1187 | case ACT_FAILSDOWN: | |
784d5858 | 1188 | dev_warn(cs->dev, "Could not shut down the device.\n"); |
14fa73a7 HL |
1189 | /* fall through */ |
1190 | case ACT_FAKESDOWN: | |
1191 | case ACT_SDOWN: | |
1192 | cs->cur_at_seq = SEQ_NONE; | |
1193 | finish_shutdown(cs); | |
1194 | break; | |
1195 | case ACT_CONNECT: | |
1196 | if (cs->onechannel) { | |
1197 | at_state->pending_commands |= PC_DLE1; | |
9d4bee2b | 1198 | cs->commands_pending = 1; |
14fa73a7 HL |
1199 | break; |
1200 | } | |
1201 | bcs->chstate |= CHS_D_UP; | |
088ec0cc | 1202 | gigaset_isdn_connD(bcs); |
14fa73a7 HL |
1203 | cs->ops->init_bchannel(bcs); |
1204 | break; | |
1205 | case ACT_DLE1: | |
1206 | cs->cur_at_seq = SEQ_NONE; | |
1207 | bcs = cs->bcs + cs->curchannel; | |
1208 | ||
1209 | bcs->chstate |= CHS_D_UP; | |
088ec0cc | 1210 | gigaset_isdn_connD(bcs); |
14fa73a7 HL |
1211 | cs->ops->init_bchannel(bcs); |
1212 | break; | |
1213 | case ACT_FAKEHUP: | |
1214 | at_state->int_var[VAR_ZSAU] = ZSAU_NULL; | |
1215 | /* fall through */ | |
1216 | case ACT_DISCONNECT: | |
1217 | cs->cur_at_seq = SEQ_NONE; | |
1218 | at_state->cid = -1; | |
1219 | if (bcs && cs->onechannel && cs->dle) { | |
1220 | /* Check for other open channels not needed: | |
1221 | * DLE only used for M10x with one B channel. | |
1222 | */ | |
1223 | at_state->pending_commands |= PC_DLE0; | |
9d4bee2b | 1224 | cs->commands_pending = 1; |
698e3ed9 | 1225 | } else |
14fa73a7 | 1226 | disconnect(p_at_state); |
14fa73a7 HL |
1227 | break; |
1228 | case ACT_FAKEDLE0: | |
1229 | at_state->int_var[VAR_ZDLE] = 0; | |
1230 | cs->dle = 0; | |
1231 | /* fall through */ | |
1232 | case ACT_DLE0: | |
1233 | cs->cur_at_seq = SEQ_NONE; | |
1234 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1235 | disconnect(&at_state2); | |
1236 | break; | |
1237 | case ACT_ABORTHUP: | |
1238 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1239 | dev_warn(cs->dev, "Could not hang up.\n"); |
14fa73a7 HL |
1240 | at_state->cid = -1; |
1241 | if (bcs && cs->onechannel) | |
1242 | at_state->pending_commands |= PC_DLE0; | |
698e3ed9 | 1243 | else |
14fa73a7 | 1244 | disconnect(p_at_state); |
14fa73a7 HL |
1245 | schedule_init(cs, MS_RECOVER); |
1246 | break; | |
1247 | case ACT_FAILDLE0: | |
1248 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1249 | dev_warn(cs->dev, "Could not leave DLE mode.\n"); |
14fa73a7 HL |
1250 | at_state2 = &cs->bcs[cs->curchannel].at_state; |
1251 | disconnect(&at_state2); | |
1252 | schedule_init(cs, MS_RECOVER); | |
1253 | break; | |
1254 | case ACT_FAILDLE1: | |
1255 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 TS |
1256 | dev_warn(cs->dev, |
1257 | "Could not enter DLE mode. Trying to hang up.\n"); | |
14fa73a7 HL |
1258 | channel = cs->curchannel; |
1259 | cs->bcs[channel].at_state.pending_commands |= PC_HUP; | |
9d4bee2b | 1260 | cs->commands_pending = 1; |
14fa73a7 HL |
1261 | break; |
1262 | ||
1263 | case ACT_CID: /* got cid; start dialing */ | |
1264 | cs->cur_at_seq = SEQ_NONE; | |
1265 | channel = cs->curchannel; | |
1266 | if (ev->parameter > 0 && ev->parameter <= 65535) { | |
1267 | cs->bcs[channel].at_state.cid = ev->parameter; | |
1268 | cs->bcs[channel].at_state.pending_commands |= | |
1269 | PC_DIAL; | |
9d4bee2b | 1270 | cs->commands_pending = 1; |
14fa73a7 HL |
1271 | break; |
1272 | } | |
1273 | /* fall through */ | |
1274 | case ACT_FAILCID: | |
1275 | cs->cur_at_seq = SEQ_NONE; | |
1276 | channel = cs->curchannel; | |
1277 | if (!reinit_and_retry(cs, channel)) { | |
784d5858 TS |
1278 | dev_warn(cs->dev, |
1279 | "Could not get a call ID. Cannot dial.\n"); | |
14fa73a7 HL |
1280 | at_state2 = &cs->bcs[channel].at_state; |
1281 | disconnect(&at_state2); | |
1282 | } | |
1283 | break; | |
1284 | case ACT_ABORTCID: | |
1285 | cs->cur_at_seq = SEQ_NONE; | |
1286 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1287 | disconnect(&at_state2); | |
1288 | break; | |
1289 | ||
1290 | case ACT_DIALING: | |
1291 | case ACT_ACCEPTED: | |
1292 | cs->cur_at_seq = SEQ_NONE; | |
1293 | break; | |
1294 | ||
c35a87ff | 1295 | case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL procssng */ |
14fa73a7 | 1296 | disconnect(p_at_state); |
14fa73a7 HL |
1297 | break; |
1298 | ||
1299 | case ACT_ABORTDIAL: /* error/timeout during dial preparation */ | |
1300 | cs->cur_at_seq = SEQ_NONE; | |
1301 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1302 | cs->commands_pending = 1; |
14fa73a7 HL |
1303 | break; |
1304 | ||
1305 | case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */ | |
1306 | case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */ | |
1307 | case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */ | |
1308 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1309 | cs->commands_pending = 1; |
14fa73a7 | 1310 | break; |
917f5085 | 1311 | case ACT_GETSTRING: /* warning: RING, ZDLE, ... |
784d5858 | 1312 | are not handled properly anymore */ |
14fa73a7 HL |
1313 | at_state->getstring = 1; |
1314 | break; | |
1315 | case ACT_SETVER: | |
1316 | if (!ev->ptr) { | |
1317 | *p_genresp = 1; | |
1318 | *p_resp_code = RSP_ERROR; | |
1319 | break; | |
1320 | } | |
1321 | s = ev->ptr; | |
1322 | ||
1323 | if (!strcmp(s, "OK")) { | |
1324 | *p_genresp = 1; | |
1325 | *p_resp_code = RSP_ERROR; | |
1326 | break; | |
1327 | } | |
1328 | ||
1329 | for (i = 0; i < 4; ++i) { | |
1330 | val = simple_strtoul(s, (char **) &e, 10); | |
1331 | if (val > INT_MAX || e == s) | |
1332 | break; | |
1333 | if (i == 3) { | |
1334 | if (*e) | |
1335 | break; | |
1336 | } else if (*e != '.') | |
1337 | break; | |
1338 | else | |
1339 | s = e + 1; | |
1340 | cs->fwver[i] = val; | |
1341 | } | |
1342 | if (i != 4) { | |
1343 | *p_genresp = 1; | |
1344 | *p_resp_code = RSP_ERROR; | |
1345 | break; | |
1346 | } | |
1347 | /*at_state->getstring = 1;*/ | |
1348 | cs->gotfwver = 0; | |
1349 | break; | |
1350 | case ACT_GOTVER: | |
1351 | if (cs->gotfwver == 0) { | |
1352 | cs->gotfwver = 1; | |
1528b18f | 1353 | gig_dbg(DEBUG_EVENT, |
784d5858 TS |
1354 | "firmware version %02d.%03d.%02d.%02d", |
1355 | cs->fwver[0], cs->fwver[1], | |
1356 | cs->fwver[2], cs->fwver[3]); | |
14fa73a7 HL |
1357 | break; |
1358 | } | |
1359 | /* fall through */ | |
1360 | case ACT_FAILVER: | |
1361 | cs->gotfwver = -1; | |
784d5858 | 1362 | dev_err(cs->dev, "could not read firmware version.\n"); |
14fa73a7 | 1363 | break; |
14fa73a7 | 1364 | case ACT_ERROR: |
05eae94f TS |
1365 | gig_dbg(DEBUG_ANY, "%s: ERROR response in ConState %d", |
1366 | __func__, at_state->ConState); | |
1367 | cs->cur_at_seq = SEQ_NONE; | |
14fa73a7 | 1368 | break; |
14fa73a7 | 1369 | case ACT_DEBUG: |
784d5858 | 1370 | gig_dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d", |
14fa73a7 HL |
1371 | __func__, ev->type, at_state->ConState); |
1372 | break; | |
1373 | case ACT_WARN: | |
784d5858 TS |
1374 | dev_warn(cs->dev, "%s: resp_code %d in ConState %d!\n", |
1375 | __func__, ev->type, at_state->ConState); | |
14fa73a7 HL |
1376 | break; |
1377 | case ACT_ZCAU: | |
784d5858 TS |
1378 | dev_warn(cs->dev, "cause code %04x in connection state %d.\n", |
1379 | ev->parameter, at_state->ConState); | |
14fa73a7 HL |
1380 | break; |
1381 | ||
1382 | /* events from the LL */ | |
1383 | case ACT_DIAL: | |
1384 | start_dial(at_state, ev->ptr, ev->parameter); | |
1385 | break; | |
1386 | case ACT_ACCEPT: | |
1387 | start_accept(at_state); | |
1388 | break; | |
14fa73a7 HL |
1389 | case ACT_HUP: |
1390 | at_state->pending_commands |= PC_HUP; | |
1528b18f | 1391 | gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP"); |
9d4bee2b | 1392 | cs->commands_pending = 1; |
14fa73a7 HL |
1393 | break; |
1394 | ||
1395 | /* hotplug events */ | |
1396 | case ACT_STOP: | |
1397 | do_stop(cs); | |
1398 | break; | |
1399 | case ACT_START: | |
1400 | do_start(cs); | |
1401 | break; | |
1402 | ||
c35a87ff | 1403 | /* events from the interface */ |
14fa73a7 HL |
1404 | case ACT_IF_LOCK: |
1405 | cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs); | |
1406 | cs->waiting = 0; | |
1407 | wake_up(&cs->waitqueue); | |
1408 | break; | |
1409 | case ACT_IF_VER: | |
1410 | if (ev->parameter != 0) | |
1411 | cs->cmd_result = -EINVAL; | |
1412 | else if (cs->gotfwver != 1) { | |
1413 | cs->cmd_result = -ENOENT; | |
1414 | } else { | |
1415 | memcpy(ev->arg, cs->fwver, sizeof cs->fwver); | |
1416 | cs->cmd_result = 0; | |
1417 | } | |
1418 | cs->waiting = 0; | |
1419 | wake_up(&cs->waitqueue); | |
1420 | break; | |
1421 | ||
c35a87ff | 1422 | /* events from the proc file system */ |
14fa73a7 | 1423 | case ACT_PROC_CIDMODE: |
69049cc8 TS |
1424 | spin_lock_irqsave(&cs->lock, flags); |
1425 | if (ev->parameter != cs->cidmode) { | |
1426 | cs->cidmode = ev->parameter; | |
14fa73a7 HL |
1427 | if (ev->parameter) { |
1428 | cs->at_state.pending_commands |= PC_CIDMODE; | |
1528b18f | 1429 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE"); |
14fa73a7 HL |
1430 | } else { |
1431 | cs->at_state.pending_commands |= PC_UMMODE; | |
1528b18f | 1432 | gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE"); |
14fa73a7 | 1433 | } |
9d4bee2b | 1434 | cs->commands_pending = 1; |
14fa73a7 | 1435 | } |
69049cc8 | 1436 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1437 | cs->waiting = 0; |
1438 | wake_up(&cs->waitqueue); | |
1439 | break; | |
1440 | ||
1441 | /* events from the hardware drivers */ | |
1442 | case ACT_NOTIFY_BC_DOWN: | |
1443 | bchannel_down(bcs); | |
1444 | break; | |
1445 | case ACT_NOTIFY_BC_UP: | |
1446 | bchannel_up(bcs); | |
1447 | break; | |
1448 | case ACT_SHUTDOWN: | |
1449 | do_shutdown(cs); | |
1450 | break; | |
1451 | ||
1452 | ||
1453 | default: | |
1454 | if (action >= ACT_CMD && action < ACT_CMD + AT_NUM) { | |
1455 | *pp_command = at_state->bcs->commands[action - ACT_CMD]; | |
1456 | if (!*pp_command) { | |
1457 | *p_genresp = 1; | |
1458 | *p_resp_code = RSP_NULL; | |
1459 | } | |
1460 | } else | |
784d5858 | 1461 | dev_err(cs->dev, "%s: action==%d!\n", __func__, action); |
14fa73a7 HL |
1462 | } |
1463 | } | |
1464 | ||
1465 | /* State machine to do the calling and hangup procedure */ | |
1466 | static void process_event(struct cardstate *cs, struct event_t *ev) | |
1467 | { | |
1468 | struct bc_state *bcs; | |
1469 | char *p_command = NULL; | |
1470 | struct reply_t *rep; | |
1471 | int rcode; | |
1472 | int genresp = 0; | |
1473 | int resp_code = RSP_ERROR; | |
1474 | int sendcid; | |
1475 | struct at_state_t *at_state; | |
1476 | int index; | |
1477 | int curact; | |
1478 | unsigned long flags; | |
1479 | ||
14fa73a7 HL |
1480 | if (ev->cid >= 0) { |
1481 | at_state = at_state_from_cid(cs, ev->cid); | |
1482 | if (!at_state) { | |
1528b18f TS |
1483 | gig_dbg(DEBUG_EVENT, "event %d for invalid cid %d", |
1484 | ev->type, ev->cid); | |
14fa73a7 | 1485 | gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID, |
784d5858 | 1486 | NULL, 0, NULL); |
14fa73a7 HL |
1487 | return; |
1488 | } | |
1489 | } else { | |
1490 | at_state = ev->at_state; | |
1491 | if (at_state_invalid(cs, at_state)) { | |
1528b18f | 1492 | gig_dbg(DEBUG_EVENT, "event for invalid at_state %p", |
784d5858 | 1493 | at_state); |
14fa73a7 HL |
1494 | return; |
1495 | } | |
1496 | } | |
1497 | ||
1528b18f | 1498 | gig_dbg(DEBUG_EVENT, "connection state %d, event %d", |
784d5858 | 1499 | at_state->ConState, ev->type); |
14fa73a7 HL |
1500 | |
1501 | bcs = at_state->bcs; | |
1502 | sendcid = at_state->cid; | |
1503 | ||
1504 | /* Setting the pointer to the dial array */ | |
1505 | rep = at_state->replystruct; | |
14fa73a7 | 1506 | |
69049cc8 | 1507 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1508 | if (ev->type == EV_TIMEOUT) { |
69049cc8 | 1509 | if (ev->parameter != at_state->timer_index |
14fa73a7 HL |
1510 | || !at_state->timer_active) { |
1511 | ev->type = RSP_NONE; /* old timeout */ | |
1528b18f | 1512 | gig_dbg(DEBUG_EVENT, "old timeout"); |
14fa73a7 | 1513 | } else if (!at_state->waiting) |
1528b18f | 1514 | gig_dbg(DEBUG_EVENT, "timeout occurred"); |
14fa73a7 | 1515 | else |
1528b18f | 1516 | gig_dbg(DEBUG_EVENT, "stopped waiting"); |
14fa73a7 | 1517 | } |
69049cc8 | 1518 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1519 | |
917f5085 TS |
1520 | /* if the response belongs to a variable in at_state->int_var[VAR_XXXX] |
1521 | or at_state->str_var[STR_XXXX], set it */ | |
14fa73a7 HL |
1522 | if (ev->type >= RSP_VAR && ev->type < RSP_VAR + VAR_NUM) { |
1523 | index = ev->type - RSP_VAR; | |
1524 | at_state->int_var[index] = ev->parameter; | |
1525 | } else if (ev->type >= RSP_STR && ev->type < RSP_STR + STR_NUM) { | |
1526 | index = ev->type - RSP_STR; | |
1527 | kfree(at_state->str_var[index]); | |
1528 | at_state->str_var[index] = ev->ptr; | |
917f5085 TS |
1529 | ev->ptr = NULL; /* prevent process_events() from |
1530 | deallocating ptr */ | |
14fa73a7 HL |
1531 | } |
1532 | ||
1533 | if (ev->type == EV_TIMEOUT || ev->type == RSP_STRING) | |
1534 | at_state->getstring = 0; | |
1535 | ||
917f5085 TS |
1536 | /* Search row in dial array which matches modem response and current |
1537 | constate */ | |
14fa73a7 HL |
1538 | for (;; rep++) { |
1539 | rcode = rep->resp_code; | |
14fa73a7 HL |
1540 | if (rcode == RSP_LAST) { |
1541 | /* found nothing...*/ | |
784d5858 TS |
1542 | dev_warn(cs->dev, "%s: rcode=RSP_LAST: " |
1543 | "resp_code %d in ConState %d!\n", | |
1544 | __func__, ev->type, at_state->ConState); | |
14fa73a7 HL |
1545 | return; |
1546 | } | |
1547 | if ((rcode == RSP_ANY || rcode == ev->type) | |
1548 | && ((int) at_state->ConState >= rep->min_ConState) | |
1549 | && (rep->max_ConState < 0 | |
1550 | || (int) at_state->ConState <= rep->max_ConState) | |
1551 | && (rep->parameter < 0 || rep->parameter == ev->parameter)) | |
1552 | break; | |
1553 | } | |
1554 | ||
1555 | p_command = rep->command; | |
1556 | ||
1557 | at_state->waiting = 0; | |
1558 | for (curact = 0; curact < MAXACT; ++curact) { | |
1559 | /* The row tells us what we should do .. | |
1560 | */ | |
c35a87ff TS |
1561 | do_action(rep->action[curact], cs, bcs, &at_state, &p_command, |
1562 | &genresp, &resp_code, ev); | |
14fa73a7 HL |
1563 | if (!at_state) |
1564 | break; /* may be freed after disconnect */ | |
1565 | } | |
1566 | ||
1567 | if (at_state) { | |
1568 | /* Jump to the next con-state regarding the array */ | |
1569 | if (rep->new_ConState >= 0) | |
1570 | at_state->ConState = rep->new_ConState; | |
1571 | ||
1572 | if (genresp) { | |
1573 | spin_lock_irqsave(&cs->lock, flags); | |
c35a87ff TS |
1574 | at_state->timer_expires = 0; |
1575 | at_state->timer_active = 0; | |
14fa73a7 | 1576 | spin_unlock_irqrestore(&cs->lock, flags); |
c35a87ff TS |
1577 | gigaset_add_event(cs, at_state, resp_code, |
1578 | NULL, 0, NULL); | |
14fa73a7 HL |
1579 | } else { |
1580 | /* Send command to modem if not NULL... */ | |
c35a87ff | 1581 | if (p_command) { |
69049cc8 | 1582 | if (cs->connected) |
14fa73a7 | 1583 | send_command(cs, p_command, |
784d5858 TS |
1584 | sendcid, cs->dle, |
1585 | GFP_ATOMIC); | |
14fa73a7 HL |
1586 | else |
1587 | gigaset_add_event(cs, at_state, | |
784d5858 TS |
1588 | RSP_NODEV, |
1589 | NULL, 0, NULL); | |
14fa73a7 HL |
1590 | } |
1591 | ||
1592 | spin_lock_irqsave(&cs->lock, flags); | |
1593 | if (!rep->timeout) { | |
1594 | at_state->timer_expires = 0; | |
1595 | at_state->timer_active = 0; | |
1596 | } else if (rep->timeout > 0) { /* new timeout */ | |
1597 | at_state->timer_expires = rep->timeout * 10; | |
1598 | at_state->timer_active = 1; | |
69049cc8 | 1599 | ++at_state->timer_index; |
14fa73a7 HL |
1600 | } |
1601 | spin_unlock_irqrestore(&cs->lock, flags); | |
1602 | } | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | static void schedule_sequence(struct cardstate *cs, | |
1607 | struct at_state_t *at_state, int sequence) | |
1608 | { | |
1609 | cs->cur_at_seq = sequence; | |
1610 | gigaset_add_event(cs, at_state, RSP_INIT, NULL, sequence, NULL); | |
1611 | } | |
1612 | ||
1613 | static void process_command_flags(struct cardstate *cs) | |
1614 | { | |
1615 | struct at_state_t *at_state = NULL; | |
1616 | struct bc_state *bcs; | |
1617 | int i; | |
1618 | int sequence; | |
69049cc8 | 1619 | unsigned long flags; |
14fa73a7 | 1620 | |
9d4bee2b | 1621 | cs->commands_pending = 0; |
14fa73a7 HL |
1622 | |
1623 | if (cs->cur_at_seq) { | |
1528b18f | 1624 | gig_dbg(DEBUG_EVENT, "not searching scheduled commands: busy"); |
14fa73a7 HL |
1625 | return; |
1626 | } | |
1627 | ||
1528b18f | 1628 | gig_dbg(DEBUG_EVENT, "searching scheduled commands"); |
14fa73a7 HL |
1629 | |
1630 | sequence = SEQ_NONE; | |
1631 | ||
1632 | /* clear pending_commands and hangup channels on shutdown */ | |
1633 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1634 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1635 | for (i = 0; i < cs->channels; ++i) { | |
1636 | bcs = cs->bcs + i; | |
1637 | at_state = &bcs->at_state; | |
1638 | at_state->pending_commands &= | |
1639 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1640 | if (at_state->cid > 0) | |
1641 | at_state->pending_commands |= PC_HUP; | |
1642 | if (at_state->pending_commands & PC_CID) { | |
1643 | at_state->pending_commands |= PC_NOCID; | |
1644 | at_state->pending_commands &= ~PC_CID; | |
1645 | } | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | /* clear pending_commands and hangup channels on reset */ | |
1650 | if (cs->at_state.pending_commands & PC_INIT) { | |
1651 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1652 | for (i = 0; i < cs->channels; ++i) { | |
1653 | bcs = cs->bcs + i; | |
1654 | at_state = &bcs->at_state; | |
1655 | at_state->pending_commands &= | |
1656 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1657 | if (at_state->cid > 0) | |
1658 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1659 | if (cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1660 | if (at_state->pending_commands & PC_CID) { |
1661 | at_state->pending_commands |= PC_NOCID; | |
1662 | at_state->pending_commands &= ~PC_CID; | |
1663 | } | |
1664 | } | |
1665 | } | |
1666 | } | |
1667 | ||
c35a87ff TS |
1668 | /* only switch back to unimodem mode if no commands are pending and |
1669 | * no channels are up */ | |
69049cc8 | 1670 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1671 | if (cs->at_state.pending_commands == PC_UMMODE |
69049cc8 | 1672 | && !cs->cidmode |
14fa73a7 | 1673 | && list_empty(&cs->temp_at_states) |
9d4bee2b | 1674 | && cs->mode == M_CID) { |
14fa73a7 HL |
1675 | sequence = SEQ_UMMODE; |
1676 | at_state = &cs->at_state; | |
1677 | for (i = 0; i < cs->channels; ++i) { | |
1678 | bcs = cs->bcs + i; | |
1679 | if (bcs->at_state.pending_commands || | |
1680 | bcs->at_state.cid > 0) { | |
1681 | sequence = SEQ_NONE; | |
1682 | break; | |
1683 | } | |
1684 | } | |
1685 | } | |
69049cc8 | 1686 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1687 | cs->at_state.pending_commands &= ~PC_UMMODE; |
1688 | if (sequence != SEQ_NONE) { | |
1689 | schedule_sequence(cs, at_state, sequence); | |
1690 | return; | |
1691 | } | |
1692 | ||
1693 | for (i = 0; i < cs->channels; ++i) { | |
1694 | bcs = cs->bcs + i; | |
1695 | if (bcs->at_state.pending_commands & PC_HUP) { | |
1696 | bcs->at_state.pending_commands &= ~PC_HUP; | |
1697 | if (bcs->at_state.pending_commands & PC_CID) { | |
1698 | /* not yet dialing: PC_NOCID is sufficient */ | |
1699 | bcs->at_state.pending_commands |= PC_NOCID; | |
1700 | bcs->at_state.pending_commands &= ~PC_CID; | |
1701 | } else { | |
1702 | schedule_sequence(cs, &bcs->at_state, SEQ_HUP); | |
1703 | return; | |
1704 | } | |
1705 | } | |
1706 | if (bcs->at_state.pending_commands & PC_NOCID) { | |
1707 | bcs->at_state.pending_commands &= ~PC_NOCID; | |
1708 | cs->curchannel = bcs->channel; | |
1709 | schedule_sequence(cs, &cs->at_state, SEQ_NOCID); | |
1710 | return; | |
1711 | } else if (bcs->at_state.pending_commands & PC_DLE0) { | |
1712 | bcs->at_state.pending_commands &= ~PC_DLE0; | |
1713 | cs->curchannel = bcs->channel; | |
1714 | schedule_sequence(cs, &cs->at_state, SEQ_DLE0); | |
1715 | return; | |
1716 | } | |
1717 | } | |
1718 | ||
1719 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1720 | if (at_state->pending_commands & PC_HUP) { | |
1721 | at_state->pending_commands &= ~PC_HUP; | |
1722 | schedule_sequence(cs, at_state, SEQ_HUP); | |
1723 | return; | |
1724 | } | |
1725 | ||
1726 | if (cs->at_state.pending_commands & PC_INIT) { | |
1727 | cs->at_state.pending_commands &= ~PC_INIT; | |
c35a87ff | 1728 | cs->dle = 0; |
14fa73a7 | 1729 | cs->inbuf->inputstate = INS_command; |
14fa73a7 HL |
1730 | schedule_sequence(cs, &cs->at_state, SEQ_INIT); |
1731 | return; | |
1732 | } | |
1733 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1734 | cs->at_state.pending_commands &= ~PC_SHUTDOWN; | |
1735 | schedule_sequence(cs, &cs->at_state, SEQ_SHUTDOWN); | |
1736 | return; | |
1737 | } | |
1738 | if (cs->at_state.pending_commands & PC_CIDMODE) { | |
1739 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
9d4bee2b | 1740 | if (cs->mode == M_UNIMODEM) { |
14fa73a7 | 1741 | cs->retry_count = 1; |
14fa73a7 HL |
1742 | schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE); |
1743 | return; | |
1744 | } | |
1745 | } | |
1746 | ||
1747 | for (i = 0; i < cs->channels; ++i) { | |
1748 | bcs = cs->bcs + i; | |
1749 | if (bcs->at_state.pending_commands & PC_DLE1) { | |
1750 | bcs->at_state.pending_commands &= ~PC_DLE1; | |
1751 | cs->curchannel = bcs->channel; | |
1752 | schedule_sequence(cs, &cs->at_state, SEQ_DLE1); | |
1753 | return; | |
1754 | } | |
1755 | if (bcs->at_state.pending_commands & PC_ACCEPT) { | |
1756 | bcs->at_state.pending_commands &= ~PC_ACCEPT; | |
1757 | schedule_sequence(cs, &bcs->at_state, SEQ_ACCEPT); | |
1758 | return; | |
1759 | } | |
1760 | if (bcs->at_state.pending_commands & PC_DIAL) { | |
1761 | bcs->at_state.pending_commands &= ~PC_DIAL; | |
1762 | schedule_sequence(cs, &bcs->at_state, SEQ_DIAL); | |
1763 | return; | |
1764 | } | |
1765 | if (bcs->at_state.pending_commands & PC_CID) { | |
9d4bee2b | 1766 | switch (cs->mode) { |
14fa73a7 HL |
1767 | case M_UNIMODEM: |
1768 | cs->at_state.pending_commands |= PC_CIDMODE; | |
1528b18f | 1769 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE"); |
9d4bee2b | 1770 | cs->commands_pending = 1; |
14fa73a7 | 1771 | return; |
14fa73a7 HL |
1772 | case M_UNKNOWN: |
1773 | schedule_init(cs, MS_INIT); | |
1774 | return; | |
14fa73a7 HL |
1775 | } |
1776 | bcs->at_state.pending_commands &= ~PC_CID; | |
1777 | cs->curchannel = bcs->channel; | |
14fa73a7 | 1778 | cs->retry_count = 2; |
14fa73a7 HL |
1779 | schedule_sequence(cs, &cs->at_state, SEQ_CID); |
1780 | return; | |
1781 | } | |
1782 | } | |
1783 | } | |
1784 | ||
1785 | static void process_events(struct cardstate *cs) | |
1786 | { | |
1787 | struct event_t *ev; | |
1788 | unsigned head, tail; | |
1789 | int i; | |
1790 | int check_flags = 0; | |
1791 | int was_busy; | |
69049cc8 | 1792 | unsigned long flags; |
14fa73a7 | 1793 | |
69049cc8 TS |
1794 | spin_lock_irqsave(&cs->ev_lock, flags); |
1795 | head = cs->ev_head; | |
14fa73a7 HL |
1796 | |
1797 | for (i = 0; i < 2 * MAX_EVENTS; ++i) { | |
69049cc8 | 1798 | tail = cs->ev_tail; |
14fa73a7 | 1799 | if (tail == head) { |
9d4bee2b | 1800 | if (!check_flags && !cs->commands_pending) |
14fa73a7 HL |
1801 | break; |
1802 | check_flags = 0; | |
69049cc8 | 1803 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1804 | process_command_flags(cs); |
69049cc8 TS |
1805 | spin_lock_irqsave(&cs->ev_lock, flags); |
1806 | tail = cs->ev_tail; | |
14fa73a7 | 1807 | if (tail == head) { |
9d4bee2b | 1808 | if (!cs->commands_pending) |
14fa73a7 HL |
1809 | break; |
1810 | continue; | |
1811 | } | |
1812 | } | |
1813 | ||
1814 | ev = cs->events + head; | |
1815 | was_busy = cs->cur_at_seq != SEQ_NONE; | |
69049cc8 | 1816 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1817 | process_event(cs, ev); |
69049cc8 | 1818 | spin_lock_irqsave(&cs->ev_lock, flags); |
14fa73a7 HL |
1819 | kfree(ev->ptr); |
1820 | ev->ptr = NULL; | |
1821 | if (was_busy && cs->cur_at_seq == SEQ_NONE) | |
1822 | check_flags = 1; | |
1823 | ||
1824 | head = (head + 1) % MAX_EVENTS; | |
69049cc8 | 1825 | cs->ev_head = head; |
14fa73a7 HL |
1826 | } |
1827 | ||
69049cc8 TS |
1828 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
1829 | ||
14fa73a7 | 1830 | if (i == 2 * MAX_EVENTS) { |
784d5858 TS |
1831 | dev_err(cs->dev, |
1832 | "infinite loop in process_events; aborting.\n"); | |
14fa73a7 HL |
1833 | } |
1834 | } | |
1835 | ||
1836 | /* tasklet scheduled on any event received from the Gigaset device | |
1837 | * parameter: | |
1838 | * data ISDN controller state structure | |
1839 | */ | |
1840 | void gigaset_handle_event(unsigned long data) | |
1841 | { | |
1842 | struct cardstate *cs = (struct cardstate *) data; | |
1843 | ||
14fa73a7 | 1844 | /* handle incoming data on control/common channel */ |
9d4bee2b | 1845 | if (cs->inbuf->head != cs->inbuf->tail) { |
784d5858 | 1846 | gig_dbg(DEBUG_INTR, "processing new data"); |
14fa73a7 HL |
1847 | cs->ops->handle_input(cs->inbuf); |
1848 | } | |
1849 | ||
1850 | process_events(cs); | |
1851 | } |