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 TS |
42 | #define RSP_OK 0 |
43 | //#define RSP_BUSY 1 | |
44 | //#define RSP_CONNECT 2 | |
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 */ | |
71 | //#define RSP_EMPTY -3 | |
72 | #define RSP_UNKNOWN -4 /* unknown response */ | |
73 | #define RSP_FAIL -5 /* internal error */ | |
74 | #define RSP_INVAL -6 /* invalid response */ | |
75 | ||
76 | #define RSP_NONE -19 | |
77 | #define RSP_STRING -20 | |
78 | #define RSP_NULL -21 | |
79 | //#define RSP_RETRYFAIL -22 | |
80 | //#define RSP_RETRY -23 | |
81 | //#define RSP_SKIP -24 | |
82 | #define RSP_INIT -27 | |
83 | #define RSP_ANY -26 | |
84 | #define RSP_LAST -28 | |
85 | #define RSP_NODEV -9 | |
14fa73a7 HL |
86 | |
87 | /* actions for process_response */ | |
88 | #define ACT_NOTHING 0 | |
89 | #define ACT_SETDLE1 1 | |
90 | #define ACT_SETDLE0 2 | |
91 | #define ACT_FAILINIT 3 | |
92 | #define ACT_HUPMODEM 4 | |
93 | #define ACT_CONFIGMODE 5 | |
94 | #define ACT_INIT 6 | |
95 | #define ACT_DLE0 7 | |
96 | #define ACT_DLE1 8 | |
97 | #define ACT_FAILDLE0 9 | |
98 | #define ACT_FAILDLE1 10 | |
99 | #define ACT_RING 11 | |
100 | #define ACT_CID 12 | |
101 | #define ACT_FAILCID 13 | |
102 | #define ACT_SDOWN 14 | |
103 | #define ACT_FAILSDOWN 15 | |
104 | #define ACT_DEBUG 16 | |
105 | #define ACT_WARN 17 | |
106 | #define ACT_DIALING 18 | |
107 | #define ACT_ABORTDIAL 19 | |
108 | #define ACT_DISCONNECT 20 | |
109 | #define ACT_CONNECT 21 | |
110 | #define ACT_REMOTEREJECT 22 | |
917f5085 | 111 | #define ACT_CONNTIMEOUT 23 |
14fa73a7 HL |
112 | #define ACT_REMOTEHUP 24 |
113 | #define ACT_ABORTHUP 25 | |
114 | #define ACT_ICALL 26 | |
115 | #define ACT_ACCEPTED 27 | |
116 | #define ACT_ABORTACCEPT 28 | |
117 | #define ACT_TIMEOUT 29 | |
118 | #define ACT_GETSTRING 30 | |
119 | #define ACT_SETVER 31 | |
120 | #define ACT_FAILVER 32 | |
121 | #define ACT_GOTVER 33 | |
122 | #define ACT_TEST 34 | |
123 | #define ACT_ERROR 35 | |
124 | #define ACT_ABORTCID 36 | |
125 | #define ACT_ZCAU 37 | |
917f5085 TS |
126 | #define ACT_NOTIFY_BC_DOWN 38 |
127 | #define ACT_NOTIFY_BC_UP 39 | |
128 | #define ACT_DIAL 40 | |
129 | #define ACT_ACCEPT 41 | |
130 | #define ACT_PROTO_L2 42 | |
131 | #define ACT_HUP 43 | |
132 | #define ACT_IF_LOCK 44 | |
133 | #define ACT_START 45 | |
134 | #define ACT_STOP 46 | |
135 | #define ACT_FAKEDLE0 47 | |
136 | #define ACT_FAKEHUP 48 | |
137 | #define ACT_FAKESDOWN 49 | |
138 | #define ACT_SHUTDOWN 50 | |
139 | #define ACT_PROC_CIDMODE 51 | |
140 | #define ACT_UMODESET 52 | |
141 | #define ACT_FAILUMODE 53 | |
142 | #define ACT_CMODESET 54 | |
143 | #define ACT_FAILCMODE 55 | |
144 | #define ACT_IF_VER 56 | |
14fa73a7 HL |
145 | #define ACT_CMD 100 |
146 | ||
147 | /* at command sequences */ | |
917f5085 TS |
148 | #define SEQ_NONE 0 |
149 | #define SEQ_INIT 100 | |
150 | #define SEQ_DLE0 200 | |
151 | #define SEQ_DLE1 250 | |
152 | #define SEQ_CID 300 | |
153 | #define SEQ_NOCID 350 | |
154 | #define SEQ_HUP 400 | |
155 | #define SEQ_DIAL 600 | |
156 | #define SEQ_ACCEPT 720 | |
157 | #define SEQ_SHUTDOWN 500 | |
158 | #define SEQ_CIDMODE 10 | |
159 | #define SEQ_UMMODE 11 | |
14fa73a7 HL |
160 | |
161 | ||
162 | // 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), 400: hup, 500: reset, 600: dial, 700: ring | |
528efc6a | 163 | struct reply_t gigaset_tab_nocid[] = |
14fa73a7 HL |
164 | { |
165 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */ | |
166 | ||
167 | /* initialize device, set cid mode if possible */ | |
168 | //{RSP_INIT, -1, -1,100, 900, 0, {ACT_TEST}}, | |
169 | //{RSP_ERROR, 900,900, -1, 0, 0, {ACT_FAILINIT}}, | |
170 | //{RSP_OK, 900,900, -1, 100, INIT_TIMEOUT, | |
171 | // {ACT_TIMEOUT}}, | |
172 | ||
173 | {RSP_INIT, -1, -1,SEQ_INIT, 100, INIT_TIMEOUT, | |
784d5858 | 174 | {ACT_TIMEOUT}}, /* wait until device is ready */ |
14fa73a7 HL |
175 | |
176 | {EV_TIMEOUT, 100,100, -1, 101, 3, {0}, "Z\r"}, /* device in transparent mode? try to initialize it. */ | |
177 | {RSP_OK, 101,103, -1, 120, 5, {ACT_GETSTRING}, "+GMR\r"}, /* get version */ | |
178 | ||
179 | {EV_TIMEOUT, 101,101, -1, 102, 5, {0}, "Z\r"}, /* timeout => try once again. */ | |
180 | {RSP_ERROR, 101,101, -1, 102, 5, {0}, "Z\r"}, /* error => try once again. */ | |
181 | ||
182 | {EV_TIMEOUT, 102,102, -1, 108, 5, {ACT_SETDLE1}, "^SDLE=0\r"}, /* timeout => try again in DLE mode. */ | |
183 | {RSP_OK, 108,108, -1, 104,-1}, | |
184 | {RSP_ZDLE, 104,104, 0, 103, 5, {0}, "Z\r"}, | |
185 | {EV_TIMEOUT, 104,104, -1, 0, 0, {ACT_FAILINIT}}, | |
186 | {RSP_ERROR, 108,108, -1, 0, 0, {ACT_FAILINIT}}, | |
187 | ||
188 | {EV_TIMEOUT, 108,108, -1, 105, 2, {ACT_SETDLE0, | |
784d5858 TS |
189 | ACT_HUPMODEM, |
190 | ACT_TIMEOUT}}, /* still timeout => connection in unimodem mode? */ | |
14fa73a7 HL |
191 | {EV_TIMEOUT, 105,105, -1, 103, 5, {0}, "Z\r"}, |
192 | ||
193 | {RSP_ERROR, 102,102, -1, 107, 5, {0}, "^GETPRE\r"}, /* ERROR on ATZ => maybe in config mode? */ | |
194 | {RSP_OK, 107,107, -1, 0, 0, {ACT_CONFIGMODE}}, | |
195 | {RSP_ERROR, 107,107, -1, 0, 0, {ACT_FAILINIT}}, | |
196 | {EV_TIMEOUT, 107,107, -1, 0, 0, {ACT_FAILINIT}}, | |
197 | ||
198 | {RSP_ERROR, 103,103, -1, 0, 0, {ACT_FAILINIT}}, | |
199 | {EV_TIMEOUT, 103,103, -1, 0, 0, {ACT_FAILINIT}}, | |
200 | ||
201 | {RSP_STRING, 120,120, -1, 121,-1, {ACT_SETVER}}, | |
202 | ||
203 | {EV_TIMEOUT, 120,121, -1, 0, 0, {ACT_FAILVER, ACT_INIT}}, | |
204 | {RSP_ERROR, 120,121, -1, 0, 0, {ACT_FAILVER, ACT_INIT}}, | |
205 | {RSP_OK, 121,121, -1, 0, 0, {ACT_GOTVER, ACT_INIT}}, | |
14fa73a7 HL |
206 | |
207 | /* leave dle mode */ | |
208 | {RSP_INIT, 0, 0,SEQ_DLE0, 201, 5, {0}, "^SDLE=0\r"}, | |
209 | {RSP_OK, 201,201, -1, 202,-1}, | |
14fa73a7 HL |
210 | {RSP_ZDLE, 202,202, 0, 0, 0, {ACT_DLE0}}, |
211 | {RSP_NODEV, 200,249, -1, 0, 0, {ACT_FAKEDLE0}}, | |
212 | {RSP_ERROR, 200,249, -1, 0, 0, {ACT_FAILDLE0}}, | |
213 | {EV_TIMEOUT, 200,249, -1, 0, 0, {ACT_FAILDLE0}}, | |
214 | ||
215 | /* enter dle mode */ | |
216 | {RSP_INIT, 0, 0,SEQ_DLE1, 251, 5, {0}, "^SDLE=1\r"}, | |
217 | {RSP_OK, 251,251, -1, 252,-1}, | |
218 | {RSP_ZDLE, 252,252, 1, 0, 0, {ACT_DLE1}}, | |
219 | {RSP_ERROR, 250,299, -1, 0, 0, {ACT_FAILDLE1}}, | |
220 | {EV_TIMEOUT, 250,299, -1, 0, 0, {ACT_FAILDLE1}}, | |
221 | ||
222 | /* incoming call */ | |
223 | {RSP_RING, -1, -1, -1, -1,-1, {ACT_RING}}, | |
224 | ||
225 | /* get cid */ | |
226 | //{RSP_INIT, 0, 0,300, 901, 0, {ACT_TEST}}, | |
227 | //{RSP_ERROR, 901,901, -1, 0, 0, {ACT_FAILCID}}, | |
228 | //{RSP_OK, 901,901, -1, 301, 5, {0}, "^SGCI?\r"}, | |
229 | ||
230 | {RSP_INIT, 0, 0,SEQ_CID, 301, 5, {0}, "^SGCI?\r"}, | |
231 | {RSP_OK, 301,301, -1, 302,-1}, | |
232 | {RSP_ZGCI, 302,302, -1, 0, 0, {ACT_CID}}, | |
233 | {RSP_ERROR, 301,349, -1, 0, 0, {ACT_FAILCID}}, | |
234 | {EV_TIMEOUT, 301,349, -1, 0, 0, {ACT_FAILCID}}, | |
235 | ||
236 | /* enter cid mode */ | |
237 | {RSP_INIT, 0, 0,SEQ_CIDMODE, 150, 5, {0}, "^SGCI=1\r"}, | |
238 | {RSP_OK, 150,150, -1, 0, 0, {ACT_CMODESET}}, | |
239 | {RSP_ERROR, 150,150, -1, 0, 0, {ACT_FAILCMODE}}, | |
240 | {EV_TIMEOUT, 150,150, -1, 0, 0, {ACT_FAILCMODE}}, | |
241 | ||
242 | /* leave cid mode */ | |
243 | //{RSP_INIT, 0, 0,SEQ_UMMODE, 160, 5, {0}, "^SGCI=0\r"}, | |
244 | {RSP_INIT, 0, 0,SEQ_UMMODE, 160, 5, {0}, "Z\r"}, | |
245 | {RSP_OK, 160,160, -1, 0, 0, {ACT_UMODESET}}, | |
246 | {RSP_ERROR, 160,160, -1, 0, 0, {ACT_FAILUMODE}}, | |
247 | {EV_TIMEOUT, 160,160, -1, 0, 0, {ACT_FAILUMODE}}, | |
248 | ||
249 | /* abort getting cid */ | |
250 | {RSP_INIT, 0, 0,SEQ_NOCID, 0, 0, {ACT_ABORTCID}}, | |
251 | ||
252 | /* reset */ | |
14fa73a7 HL |
253 | {RSP_INIT, 0, 0,SEQ_SHUTDOWN, 504, 5, {0}, "Z\r"}, |
254 | {RSP_OK, 504,504, -1, 0, 0, {ACT_SDOWN}}, | |
255 | {RSP_ERROR, 501,599, -1, 0, 0, {ACT_FAILSDOWN}}, | |
256 | {EV_TIMEOUT, 501,599, -1, 0, 0, {ACT_FAILSDOWN}}, | |
257 | {RSP_NODEV, 501,599, -1, 0, 0, {ACT_FAKESDOWN}}, | |
258 | ||
259 | {EV_PROC_CIDMODE,-1, -1, -1, -1,-1, {ACT_PROC_CIDMODE}}, //FIXME | |
260 | {EV_IF_LOCK, -1, -1, -1, -1,-1, {ACT_IF_LOCK}}, //FIXME | |
261 | {EV_IF_VER, -1, -1, -1, -1,-1, {ACT_IF_VER}}, //FIXME | |
262 | {EV_START, -1, -1, -1, -1,-1, {ACT_START}}, //FIXME | |
263 | {EV_STOP, -1, -1, -1, -1,-1, {ACT_STOP}}, //FIXME | |
264 | {EV_SHUTDOWN, -1, -1, -1, -1,-1, {ACT_SHUTDOWN}}, //FIXME | |
265 | ||
266 | /* misc. */ | |
05eae94f | 267 | {RSP_ERROR, -1, -1, -1, -1, -1, {ACT_ERROR} }, |
14fa73a7 HL |
268 | {RSP_EMPTY, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME |
269 | {RSP_ZCFGT, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
270 | {RSP_ZCFG, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
271 | {RSP_ZLOG, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
272 | {RSP_ZMWI, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
273 | {RSP_ZABINFO, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
274 | {RSP_ZSMLSTCHG,-1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
275 | ||
276 | {RSP_ZCAU, -1, -1, -1, -1,-1, {ACT_ZCAU}}, | |
277 | {RSP_NONE, -1, -1, -1, -1,-1, {ACT_DEBUG}}, | |
278 | {RSP_ANY, -1, -1, -1, -1,-1, {ACT_WARN}}, | |
279 | {RSP_LAST} | |
280 | }; | |
281 | ||
282 | // 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, 400: hup, 750: accepted icall | |
528efc6a | 283 | struct reply_t gigaset_tab_cid[] = |
14fa73a7 HL |
284 | { |
285 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */ | |
286 | ||
287 | /* dial */ | |
288 | {EV_DIAL, -1, -1, -1, -1,-1, {ACT_DIAL}}, //FIXME | |
289 | {RSP_INIT, 0, 0,SEQ_DIAL, 601, 5, {ACT_CMD+AT_BC}}, | |
290 | {RSP_OK, 601,601, -1, 602, 5, {ACT_CMD+AT_HLC}}, | |
291 | {RSP_NULL, 602,602, -1, 603, 5, {ACT_CMD+AT_PROTO}}, | |
292 | {RSP_OK, 602,602, -1, 603, 5, {ACT_CMD+AT_PROTO}}, | |
293 | {RSP_OK, 603,603, -1, 604, 5, {ACT_CMD+AT_TYPE}}, | |
294 | {RSP_OK, 604,604, -1, 605, 5, {ACT_CMD+AT_MSN}}, | |
295 | {RSP_OK, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, | |
296 | {RSP_NULL, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, | |
bceb0f12 | 297 | {RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"}, |
14fa73a7 | 298 | {RSP_OK, 607,607, -1, 608,-1}, |
14fa73a7 HL |
299 | {RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 609, 5, {ACT_CMD+AT_DIAL}}, |
300 | {RSP_OK, 609,609, -1, 650, 0, {ACT_DIALING}}, | |
301 | ||
14fa73a7 HL |
302 | {RSP_ERROR, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, |
303 | {EV_TIMEOUT, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, | |
304 | ||
bceb0f12 TS |
305 | /* optional dialing responses */ |
306 | {EV_BC_OPEN, 650,650, -1, 651,-1}, | |
307 | {RSP_ZVLS, 608,651, 17, -1,-1, {ACT_DEBUG}}, | |
308 | {RSP_ZCTP, 609,651, -1, -1,-1, {ACT_DEBUG}}, | |
309 | {RSP_ZCPN, 609,651, -1, -1,-1, {ACT_DEBUG}}, | |
310 | {RSP_ZSAU, 650,651,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, | |
311 | ||
312 | /* connect */ | |
313 | {RSP_ZSAU, 650,650,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, | |
314 | {RSP_ZSAU, 651,651,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT, | |
315 | ACT_NOTIFY_BC_UP}}, | |
316 | {RSP_ZSAU, 750,750,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, | |
317 | {RSP_ZSAU, 751,751,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT, | |
318 | ACT_NOTIFY_BC_UP}}, | |
319 | {EV_BC_OPEN, 800,800, -1, 800,-1, {ACT_NOTIFY_BC_UP}}, | |
14fa73a7 HL |
320 | |
321 | /* remote hangup */ | |
bceb0f12 TS |
322 | {RSP_ZSAU, 650,651,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT}}, |
323 | {RSP_ZSAU, 750,751,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, | |
14fa73a7 HL |
324 | {RSP_ZSAU, 800,800,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, |
325 | ||
326 | /* hangup */ | |
327 | {EV_HUP, -1, -1, -1, -1,-1, {ACT_HUP}}, //FIXME | |
328 | {RSP_INIT, -1, -1,SEQ_HUP, 401, 5, {0}, "+VLS=0\r"}, /* hang up */ //-1,-1? | |
329 | {RSP_OK, 401,401, -1, 402, 5}, | |
330 | {RSP_ZVLS, 402,402, 0, 403, 5}, | |
05eae94f TS |
331 | {RSP_ZSAU, 403, 403, ZSAU_DISCONNECT_REQ, -1, -1, {ACT_DEBUG} }, |
332 | {RSP_ZSAU, 403, 403, ZSAU_NULL, 0, 0, {ACT_DISCONNECT} }, | |
333 | {RSP_NODEV, 401, 403, -1, 0, 0, {ACT_FAKEHUP} }, | |
14fa73a7 HL |
334 | {RSP_ERROR, 401,401, -1, 0, 0, {ACT_ABORTHUP}}, |
335 | {EV_TIMEOUT, 401,403, -1, 0, 0, {ACT_ABORTHUP}}, | |
336 | ||
337 | {EV_BC_CLOSED, 0, 0, -1, 0,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME new constate + timeout | |
338 | ||
339 | /* ring */ | |
340 | {RSP_ZBC, 700,700, -1, -1,-1, {0}}, | |
341 | {RSP_ZHLC, 700,700, -1, -1,-1, {0}}, | |
342 | {RSP_NMBR, 700,700, -1, -1,-1, {0}}, | |
343 | {RSP_ZCPN, 700,700, -1, -1,-1, {0}}, | |
344 | {RSP_ZCTP, 700,700, -1, -1,-1, {0}}, | |
345 | {EV_TIMEOUT, 700,700, -1, 720,720, {ACT_ICALL}}, | |
346 | {EV_BC_CLOSED,720,720, -1, 0,-1, {ACT_NOTIFY_BC_DOWN}}, | |
347 | ||
348 | /*accept icall*/ | |
349 | {EV_ACCEPT, -1, -1, -1, -1,-1, {ACT_ACCEPT}}, //FIXME | |
350 | {RSP_INIT, 720,720,SEQ_ACCEPT, 721, 5, {ACT_CMD+AT_PROTO}}, | |
351 | {RSP_OK, 721,721, -1, 722, 5, {ACT_CMD+AT_ISO}}, | |
352 | {RSP_OK, 722,722, -1, 723, 5, {0}, "+VLS=17\r"}, /* set "Endgeraetemodus" */ | |
353 | {RSP_OK, 723,723, -1, 724, 5, {0}}, | |
354 | {RSP_ZVLS, 724,724, 17, 750,50, {ACT_ACCEPTED}}, | |
355 | {RSP_ERROR, 721,729, -1, 0, 0, {ACT_ABORTACCEPT}}, | |
356 | {EV_TIMEOUT, 721,729, -1, 0, 0, {ACT_ABORTACCEPT}}, | |
357 | {RSP_ZSAU, 700,729,ZSAU_NULL, 0, 0, {ACT_ABORTACCEPT}}, | |
358 | {RSP_ZSAU, 700,729,ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT}}, | |
359 | {RSP_ZSAU, 700,729,ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT}}, | |
360 | ||
bceb0f12 TS |
361 | {EV_BC_OPEN, 750,750, -1, 751,-1}, |
362 | {EV_TIMEOUT, 750,751, -1, 0, 0, {ACT_CONNTIMEOUT}}, | |
14fa73a7 | 363 | |
73a88814 TS |
364 | /* B channel closed (general case) */ |
365 | {EV_BC_CLOSED, -1, -1, -1, -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME | |
366 | ||
14fa73a7 HL |
367 | /* misc. */ |
368 | {EV_PROTO_L2, -1, -1, -1, -1,-1, {ACT_PROTO_L2}}, //FIXME | |
369 | ||
370 | {RSP_ZCON, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
371 | {RSP_ZCCR, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
372 | {RSP_ZAOC, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
373 | {RSP_ZCSTR, -1, -1, -1, -1,-1, {ACT_DEBUG}}, //FIXME | |
374 | ||
375 | {RSP_ZCAU, -1, -1, -1, -1,-1, {ACT_ZCAU}}, | |
376 | {RSP_NONE, -1, -1, -1, -1,-1, {ACT_DEBUG}}, | |
377 | {RSP_ANY, -1, -1, -1, -1,-1, {ACT_WARN}}, | |
378 | {RSP_LAST} | |
379 | }; | |
380 | ||
381 | ||
35dc8457 | 382 | static const struct resp_type_t resp_type[] = |
14fa73a7 | 383 | { |
917f5085 TS |
384 | /*{"", RSP_EMPTY, RT_NOTHING},*/ |
385 | {"OK", RSP_OK, RT_NOTHING}, | |
386 | {"ERROR", RSP_ERROR, RT_NOTHING}, | |
387 | {"ZSAU", RSP_ZSAU, RT_ZSAU}, | |
388 | {"ZCAU", RSP_ZCAU, RT_ZCAU}, | |
389 | {"RING", RSP_RING, RT_RING}, | |
390 | {"ZGCI", RSP_ZGCI, RT_NUMBER}, | |
391 | {"ZVLS", RSP_ZVLS, RT_NUMBER}, | |
392 | {"ZCTP", RSP_ZCTP, RT_NUMBER}, | |
393 | {"ZDLE", RSP_ZDLE, RT_NUMBER}, | |
394 | {"ZCFGT", RSP_ZCFGT, RT_NUMBER}, | |
395 | {"ZCCR", RSP_ZCCR, RT_NUMBER}, | |
396 | {"ZMWI", RSP_ZMWI, RT_NUMBER}, | |
397 | {"ZHLC", RSP_ZHLC, RT_STRING}, | |
398 | {"ZBC", RSP_ZBC, RT_STRING}, | |
399 | {"NMBR", RSP_NMBR, RT_STRING}, | |
400 | {"ZCPN", RSP_ZCPN, RT_STRING}, | |
401 | {"ZCON", RSP_ZCON, RT_STRING}, | |
402 | {"ZAOC", RSP_ZAOC, RT_STRING}, | |
403 | {"ZCSTR", RSP_ZCSTR, RT_STRING}, | |
404 | {"ZCFG", RSP_ZCFG, RT_HEX}, | |
405 | {"ZLOG", RSP_ZLOG, RT_NOTHING}, | |
406 | {"ZABINFO", RSP_ZABINFO, RT_NOTHING}, | |
407 | {"ZSMLSTCHG", RSP_ZSMLSTCHG, RT_NOTHING}, | |
14fa73a7 HL |
408 | {NULL,0,0} |
409 | }; | |
410 | ||
411 | /* | |
412 | * Get integer from char-pointer | |
413 | */ | |
414 | static int isdn_getnum(char *p) | |
415 | { | |
416 | int v = -1; | |
417 | ||
784d5858 | 418 | gig_dbg(DEBUG_TRANSCMD, "string: %s", p); |
14fa73a7 HL |
419 | |
420 | while (*p >= '0' && *p <= '9') | |
421 | v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0'); | |
422 | if (*p) | |
423 | v = -1; /* invalid Character */ | |
424 | return v; | |
425 | } | |
426 | ||
427 | /* | |
428 | * Get integer from char-pointer | |
429 | */ | |
430 | static int isdn_gethex(char *p) | |
431 | { | |
432 | int v = 0; | |
433 | int c; | |
434 | ||
784d5858 | 435 | gig_dbg(DEBUG_TRANSCMD, "string: %s", p); |
14fa73a7 HL |
436 | |
437 | if (!*p) | |
438 | return -1; | |
439 | ||
440 | do { | |
441 | if (v > (INT_MAX - 15) / 16) | |
442 | return -1; | |
443 | c = *p; | |
444 | if (c >= '0' && c <= '9') | |
445 | c -= '0'; | |
446 | else if (c >= 'a' && c <= 'f') | |
447 | c -= 'a' - 10; | |
448 | else if (c >= 'A' && c <= 'F') | |
449 | c -= 'A' - 10; | |
450 | else | |
451 | return -1; | |
452 | v = v * 16 + c; | |
453 | } while (*++p); | |
454 | ||
455 | return v; | |
456 | } | |
457 | ||
14fa73a7 HL |
458 | /* retrieve CID from parsed response |
459 | * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535 | |
460 | */ | |
461 | static int cid_of_response(char *s) | |
462 | { | |
463 | int cid; | |
464 | ||
465 | if (s[-1] != ';') | |
466 | return 0; /* no CID separator */ | |
467 | cid = isdn_getnum(s); | |
468 | if (cid < 0) | |
469 | return 0; /* CID not numeric */ | |
470 | if (cid < 1 || cid > 65535) | |
471 | return -1; /* CID out of range */ | |
472 | return cid; | |
473 | //FIXME is ;<digit>+ at end of non-CID response really impossible? | |
474 | } | |
475 | ||
1cec9727 TS |
476 | /** |
477 | * gigaset_handle_modem_response() - process received modem response | |
478 | * @cs: device descriptor structure. | |
479 | * | |
480 | * Called by asyncdata/isocdata if a block of data received from the | |
481 | * device must be processed as a modem command response. The data is | |
482 | * already in the cs structure. | |
14fa73a7 HL |
483 | */ |
484 | void gigaset_handle_modem_response(struct cardstate *cs) | |
485 | { | |
486 | unsigned char *argv[MAX_REC_PARAMS + 1]; | |
487 | int params; | |
488 | int i, j; | |
35dc8457 | 489 | const struct resp_type_t *rt; |
14fa73a7 HL |
490 | int curarg; |
491 | unsigned long flags; | |
492 | unsigned next, tail, head; | |
493 | struct event_t *event; | |
494 | int resp_code; | |
495 | int param_type; | |
496 | int abort; | |
497 | size_t len; | |
498 | int cid; | |
499 | int rawstring; | |
500 | ||
14fa73a7 HL |
501 | len = cs->cbytes; |
502 | if (!len) { | |
503 | /* ignore additional LFs/CRs (M10x config mode or cx100) */ | |
784d5858 | 504 | gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]); |
14fa73a7 HL |
505 | return; |
506 | } | |
507 | cs->respdata[len] = 0; | |
784d5858 | 508 | gig_dbg(DEBUG_TRANSCMD, "raw string: '%s'", cs->respdata); |
14fa73a7 HL |
509 | argv[0] = cs->respdata; |
510 | params = 1; | |
511 | if (cs->at_state.getstring) { | |
512 | /* getstring only allowed without cid at the moment */ | |
513 | cs->at_state.getstring = 0; | |
514 | rawstring = 1; | |
515 | cid = 0; | |
516 | } else { | |
517 | /* parse line */ | |
518 | for (i = 0; i < len; i++) | |
519 | switch (cs->respdata[i]) { | |
520 | case ';': | |
521 | case ',': | |
522 | case '=': | |
523 | if (params > MAX_REC_PARAMS) { | |
784d5858 TS |
524 | dev_warn(cs->dev, |
525 | "too many parameters in response\n"); | |
14fa73a7 HL |
526 | /* need last parameter (might be CID) */ |
527 | params--; | |
528 | } | |
529 | argv[params++] = cs->respdata + i + 1; | |
530 | } | |
531 | ||
532 | rawstring = 0; | |
533 | cid = params > 1 ? cid_of_response(argv[params-1]) : 0; | |
534 | if (cid < 0) { | |
535 | gigaset_add_event(cs, &cs->at_state, RSP_INVAL, | |
784d5858 | 536 | NULL, 0, NULL); |
14fa73a7 HL |
537 | return; |
538 | } | |
539 | ||
540 | for (j = 1; j < params; ++j) | |
541 | argv[j][-1] = 0; | |
542 | ||
784d5858 | 543 | gig_dbg(DEBUG_TRANSCMD, "CMD received: %s", argv[0]); |
14fa73a7 HL |
544 | if (cid) { |
545 | --params; | |
784d5858 | 546 | gig_dbg(DEBUG_TRANSCMD, "CID: %s", argv[params]); |
14fa73a7 | 547 | } |
784d5858 | 548 | gig_dbg(DEBUG_TRANSCMD, "available params: %d", params - 1); |
14fa73a7 | 549 | for (j = 1; j < params; j++) |
784d5858 | 550 | gig_dbg(DEBUG_TRANSCMD, "param %d: %s", j, argv[j]); |
14fa73a7 HL |
551 | } |
552 | ||
553 | spin_lock_irqsave(&cs->ev_lock, flags); | |
69049cc8 TS |
554 | head = cs->ev_head; |
555 | tail = cs->ev_tail; | |
14fa73a7 HL |
556 | |
557 | abort = 1; | |
558 | curarg = 0; | |
559 | while (curarg < params) { | |
560 | next = (tail + 1) % MAX_EVENTS; | |
561 | if (unlikely(next == head)) { | |
784d5858 | 562 | dev_err(cs->dev, "event queue full\n"); |
14fa73a7 HL |
563 | break; |
564 | } | |
565 | ||
566 | event = cs->events + tail; | |
567 | event->at_state = NULL; | |
568 | event->cid = cid; | |
569 | event->ptr = NULL; | |
570 | event->arg = NULL; | |
571 | tail = next; | |
572 | ||
573 | if (rawstring) { | |
574 | resp_code = RSP_STRING; | |
575 | param_type = RT_STRING; | |
576 | } else { | |
577 | for (rt = resp_type; rt->response; ++rt) | |
578 | if (!strcmp(argv[curarg], rt->response)) | |
579 | break; | |
580 | ||
581 | if (!rt->response) { | |
582 | event->type = RSP_UNKNOWN; | |
784d5858 TS |
583 | dev_warn(cs->dev, |
584 | "unknown modem response: %s\n", | |
585 | argv[curarg]); | |
14fa73a7 HL |
586 | break; |
587 | } | |
588 | ||
589 | resp_code = rt->resp_code; | |
590 | param_type = rt->type; | |
591 | ++curarg; | |
592 | } | |
593 | ||
594 | event->type = resp_code; | |
595 | ||
596 | switch (param_type) { | |
597 | case RT_NOTHING: | |
598 | break; | |
599 | case RT_RING: | |
600 | if (!cid) { | |
784d5858 TS |
601 | dev_err(cs->dev, |
602 | "received RING without CID!\n"); | |
14fa73a7 HL |
603 | event->type = RSP_INVAL; |
604 | abort = 1; | |
605 | } else { | |
606 | event->cid = 0; | |
607 | event->parameter = cid; | |
608 | abort = 0; | |
609 | } | |
610 | break; | |
611 | case RT_ZSAU: | |
612 | if (curarg >= params) { | |
613 | event->parameter = ZSAU_NONE; | |
614 | break; | |
615 | } | |
616 | if (!strcmp(argv[curarg], "OUTGOING_CALL_PROCEEDING")) | |
617 | event->parameter = ZSAU_OUTGOING_CALL_PROCEEDING; | |
618 | else if (!strcmp(argv[curarg], "CALL_DELIVERED")) | |
619 | event->parameter = ZSAU_CALL_DELIVERED; | |
620 | else if (!strcmp(argv[curarg], "ACTIVE")) | |
621 | event->parameter = ZSAU_ACTIVE; | |
622 | else if (!strcmp(argv[curarg], "DISCONNECT_IND")) | |
623 | event->parameter = ZSAU_DISCONNECT_IND; | |
624 | else if (!strcmp(argv[curarg], "NULL")) | |
625 | event->parameter = ZSAU_NULL; | |
626 | else if (!strcmp(argv[curarg], "DISCONNECT_REQ")) | |
627 | event->parameter = ZSAU_DISCONNECT_REQ; | |
628 | else { | |
629 | event->parameter = ZSAU_UNKNOWN; | |
784d5858 TS |
630 | dev_warn(cs->dev, |
631 | "%s: unknown parameter %s after ZSAU\n", | |
632 | __func__, argv[curarg]); | |
14fa73a7 HL |
633 | } |
634 | ++curarg; | |
635 | break; | |
636 | case RT_STRING: | |
637 | if (curarg < params) { | |
784d5858 TS |
638 | event->ptr = kstrdup(argv[curarg], GFP_ATOMIC); |
639 | if (!event->ptr) | |
640 | dev_err(cs->dev, "out of memory\n"); | |
14fa73a7 HL |
641 | ++curarg; |
642 | } | |
236b87c2 TS |
643 | gig_dbg(DEBUG_CMD, "string==%s", |
644 | event->ptr ? (char *) event->ptr : "NULL"); | |
14fa73a7 HL |
645 | break; |
646 | case RT_ZCAU: | |
647 | event->parameter = -1; | |
648 | if (curarg + 1 < params) { | |
649 | i = isdn_gethex(argv[curarg]); | |
650 | j = isdn_gethex(argv[curarg + 1]); | |
651 | if (i >= 0 && i < 256 && j >= 0 && j < 256) | |
652 | event->parameter = (unsigned) i << 8 | |
784d5858 | 653 | | j; |
14fa73a7 HL |
654 | curarg += 2; |
655 | } else | |
656 | curarg = params - 1; | |
657 | break; | |
658 | case RT_NUMBER: | |
659 | case RT_HEX: | |
660 | if (curarg < params) { | |
661 | if (param_type == RT_HEX) | |
662 | event->parameter = | |
663 | isdn_gethex(argv[curarg]); | |
664 | else | |
665 | event->parameter = | |
666 | isdn_getnum(argv[curarg]); | |
667 | ++curarg; | |
668 | } else | |
669 | event->parameter = -1; | |
784d5858 | 670 | gig_dbg(DEBUG_CMD, "parameter==%d", event->parameter); |
14fa73a7 HL |
671 | break; |
672 | } | |
673 | ||
674 | if (resp_code == RSP_ZDLE) | |
675 | cs->dle = event->parameter; | |
676 | ||
677 | if (abort) | |
678 | break; | |
679 | } | |
680 | ||
69049cc8 | 681 | cs->ev_tail = tail; |
14fa73a7 HL |
682 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
683 | ||
684 | if (curarg != params) | |
784d5858 TS |
685 | gig_dbg(DEBUG_ANY, |
686 | "invalid number of processed parameters: %d/%d", | |
687 | curarg, params); | |
14fa73a7 HL |
688 | } |
689 | EXPORT_SYMBOL_GPL(gigaset_handle_modem_response); | |
690 | ||
691 | /* disconnect | |
692 | * process closing of connection associated with given AT state structure | |
693 | */ | |
694 | static void disconnect(struct at_state_t **at_state_p) | |
695 | { | |
696 | unsigned long flags; | |
d48c7784 TS |
697 | struct bc_state *bcs = (*at_state_p)->bcs; |
698 | struct cardstate *cs = (*at_state_p)->cs; | |
14fa73a7 | 699 | |
69049cc8 TS |
700 | spin_lock_irqsave(&cs->lock, flags); |
701 | ++(*at_state_p)->seq_index; | |
14fa73a7 HL |
702 | |
703 | /* revert to selected idle mode */ | |
69049cc8 | 704 | if (!cs->cidmode) { |
14fa73a7 | 705 | cs->at_state.pending_commands |= PC_UMMODE; |
9d4bee2b | 706 | cs->commands_pending = 1; |
784d5858 | 707 | gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE"); |
14fa73a7 | 708 | } |
69049cc8 | 709 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
710 | |
711 | if (bcs) { | |
712 | /* B channel assigned: invoke hardware specific handler */ | |
713 | cs->ops->close_bchannel(bcs); | |
3305adff TS |
714 | /* notify LL */ |
715 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
716 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
717 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP); | |
718 | } | |
14fa73a7 HL |
719 | } else { |
720 | /* no B channel assigned: just deallocate */ | |
721 | spin_lock_irqsave(&cs->lock, flags); | |
722 | list_del(&(*at_state_p)->list); | |
723 | kfree(*at_state_p); | |
724 | *at_state_p = NULL; | |
725 | spin_unlock_irqrestore(&cs->lock, flags); | |
726 | } | |
727 | } | |
728 | ||
729 | /* get_free_channel | |
730 | * get a free AT state structure: either one of those associated with the | |
731 | * B channels of the Gigaset device, or if none of those is available, | |
732 | * a newly allocated one with bcs=NULL | |
733 | * The structure should be freed by calling disconnect() after use. | |
734 | */ | |
735 | static inline struct at_state_t *get_free_channel(struct cardstate *cs, | |
784d5858 | 736 | int cid) |
14fa73a7 HL |
737 | /* cids: >0: siemens-cid |
738 | 0: without cid | |
739 | -1: no cid assigned yet | |
740 | */ | |
741 | { | |
742 | unsigned long flags; | |
743 | int i; | |
744 | struct at_state_t *ret; | |
745 | ||
746 | for (i = 0; i < cs->channels; ++i) | |
747 | if (gigaset_get_channel(cs->bcs + i)) { | |
748 | ret = &cs->bcs[i].at_state; | |
749 | ret->cid = cid; | |
750 | return ret; | |
751 | } | |
752 | ||
753 | spin_lock_irqsave(&cs->lock, flags); | |
754 | ret = kmalloc(sizeof(struct at_state_t), GFP_ATOMIC); | |
755 | if (ret) { | |
756 | gigaset_at_init(ret, NULL, cs, cid); | |
757 | list_add(&ret->list, &cs->temp_at_states); | |
758 | } | |
759 | spin_unlock_irqrestore(&cs->lock, flags); | |
760 | return ret; | |
761 | } | |
762 | ||
763 | static void init_failed(struct cardstate *cs, int mode) | |
764 | { | |
765 | int i; | |
766 | struct at_state_t *at_state; | |
767 | ||
768 | cs->at_state.pending_commands &= ~PC_INIT; | |
9d4bee2b TS |
769 | cs->mode = mode; |
770 | cs->mstate = MS_UNINITIALIZED; | |
14fa73a7 HL |
771 | gigaset_free_channels(cs); |
772 | for (i = 0; i < cs->channels; ++i) { | |
773 | at_state = &cs->bcs[i].at_state; | |
774 | if (at_state->pending_commands & PC_CID) { | |
775 | at_state->pending_commands &= ~PC_CID; | |
776 | at_state->pending_commands |= PC_NOCID; | |
9d4bee2b | 777 | cs->commands_pending = 1; |
14fa73a7 HL |
778 | } |
779 | } | |
780 | } | |
781 | ||
782 | static void schedule_init(struct cardstate *cs, int state) | |
783 | { | |
784 | if (cs->at_state.pending_commands & PC_INIT) { | |
784d5858 | 785 | gig_dbg(DEBUG_CMD, "not scheduling PC_INIT again"); |
14fa73a7 HL |
786 | return; |
787 | } | |
9d4bee2b TS |
788 | cs->mstate = state; |
789 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
790 | gigaset_block_channels(cs); |
791 | cs->at_state.pending_commands |= PC_INIT; | |
9d4bee2b | 792 | cs->commands_pending = 1; |
784d5858 | 793 | gig_dbg(DEBUG_CMD, "Scheduling PC_INIT"); |
14fa73a7 HL |
794 | } |
795 | ||
917f5085 TS |
796 | /* Add "AT" to a command, add the cid, dle encode it, send the result to the |
797 | hardware. */ | |
14fa73a7 | 798 | static void send_command(struct cardstate *cs, const char *cmd, int cid, |
784d5858 | 799 | int dle, gfp_t kmallocflags) |
14fa73a7 HL |
800 | { |
801 | size_t cmdlen, buflen; | |
802 | char *cmdpos, *cmdbuf, *cmdtail; | |
803 | ||
804 | cmdlen = strlen(cmd); | |
805 | buflen = 11 + cmdlen; | |
784d5858 TS |
806 | if (unlikely(buflen <= cmdlen)) { |
807 | dev_err(cs->dev, "integer overflow in buflen\n"); | |
808 | return; | |
809 | } | |
14fa73a7 | 810 | |
784d5858 TS |
811 | cmdbuf = kmalloc(buflen, kmallocflags); |
812 | if (unlikely(!cmdbuf)) { | |
813 | dev_err(cs->dev, "out of memory\n"); | |
814 | return; | |
815 | } | |
14fa73a7 | 816 | |
784d5858 TS |
817 | cmdpos = cmdbuf + 9; |
818 | cmdtail = cmdpos + cmdlen; | |
819 | memcpy(cmdpos, cmd, cmdlen); | |
14fa73a7 | 820 | |
784d5858 TS |
821 | if (cid > 0 && cid <= 65535) { |
822 | do { | |
823 | *--cmdpos = '0' + cid % 10; | |
824 | cid /= 10; | |
825 | ++cmdlen; | |
826 | } while (cid); | |
827 | } | |
14fa73a7 | 828 | |
784d5858 TS |
829 | cmdlen += 2; |
830 | *--cmdpos = 'T'; | |
831 | *--cmdpos = 'A'; | |
832 | ||
833 | if (dle) { | |
834 | cmdlen += 4; | |
835 | *--cmdpos = '('; | |
836 | *--cmdpos = 0x10; | |
837 | *cmdtail++ = 0x10; | |
838 | *cmdtail++ = ')'; | |
839 | } | |
840 | ||
841 | cs->ops->write_cmd(cs, cmdpos, cmdlen, NULL); | |
842 | kfree(cmdbuf); | |
14fa73a7 HL |
843 | } |
844 | ||
845 | static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid) | |
846 | { | |
847 | struct at_state_t *at_state; | |
848 | int i; | |
849 | unsigned long flags; | |
850 | ||
851 | if (cid == 0) | |
852 | return &cs->at_state; | |
853 | ||
854 | for (i = 0; i < cs->channels; ++i) | |
855 | if (cid == cs->bcs[i].at_state.cid) | |
856 | return &cs->bcs[i].at_state; | |
857 | ||
858 | spin_lock_irqsave(&cs->lock, flags); | |
859 | ||
860 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
861 | if (cid == at_state->cid) { | |
862 | spin_unlock_irqrestore(&cs->lock, flags); | |
863 | return at_state; | |
864 | } | |
865 | ||
866 | spin_unlock_irqrestore(&cs->lock, flags); | |
867 | ||
868 | return NULL; | |
869 | } | |
870 | ||
871 | static void bchannel_down(struct bc_state *bcs) | |
872 | { | |
14fa73a7 HL |
873 | if (bcs->chstate & CHS_B_UP) { |
874 | bcs->chstate &= ~CHS_B_UP; | |
875 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BHUP); | |
876 | } | |
877 | ||
878 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
879 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
880 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP); | |
881 | } | |
882 | ||
883 | gigaset_free_channel(bcs); | |
884 | ||
885 | gigaset_bcs_reinit(bcs); | |
886 | } | |
887 | ||
888 | static void bchannel_up(struct bc_state *bcs) | |
889 | { | |
14fa73a7 | 890 | if (bcs->chstate & CHS_B_UP) { |
784d5858 TS |
891 | dev_notice(bcs->cs->dev, "%s: B channel already up\n", |
892 | __func__); | |
14fa73a7 HL |
893 | return; |
894 | } | |
895 | ||
896 | bcs->chstate |= CHS_B_UP; | |
897 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BCONN); | |
898 | } | |
899 | ||
69049cc8 | 900 | static void start_dial(struct at_state_t *at_state, void *data, unsigned seq_index) |
14fa73a7 HL |
901 | { |
902 | struct bc_state *bcs = at_state->bcs; | |
903 | struct cardstate *cs = at_state->cs; | |
904 | int retval; | |
69049cc8 | 905 | unsigned long flags; |
14fa73a7 HL |
906 | |
907 | bcs->chstate |= CHS_NOTIFY_LL; | |
14fa73a7 | 908 | |
69049cc8 TS |
909 | spin_lock_irqsave(&cs->lock, flags); |
910 | if (at_state->seq_index != seq_index) { | |
911 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 912 | goto error; |
69049cc8 TS |
913 | } |
914 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 HL |
915 | |
916 | retval = gigaset_isdn_setup_dial(at_state, data); | |
917 | if (retval != 0) | |
918 | goto error; | |
919 | ||
920 | ||
921 | at_state->pending_commands |= PC_CID; | |
784d5858 | 922 | gig_dbg(DEBUG_CMD, "Scheduling PC_CID"); |
9d4bee2b | 923 | cs->commands_pending = 1; |
14fa73a7 HL |
924 | return; |
925 | ||
926 | error: | |
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; | |
936 | int retval; | |
937 | ||
938 | retval = gigaset_isdn_setup_accept(at_state); | |
939 | ||
940 | if (retval == 0) { | |
941 | at_state->pending_commands |= PC_ACCEPT; | |
784d5858 | 942 | gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT"); |
9d4bee2b | 943 | cs->commands_pending = 1; |
14fa73a7 | 944 | } else { |
9d4bee2b | 945 | /* error reset */ |
14fa73a7 | 946 | at_state->pending_commands |= PC_HUP; |
784d5858 | 947 | gig_dbg(DEBUG_CMD, "Scheduling PC_HUP"); |
9d4bee2b | 948 | cs->commands_pending = 1; |
14fa73a7 HL |
949 | } |
950 | } | |
951 | ||
952 | static void do_start(struct cardstate *cs) | |
953 | { | |
954 | gigaset_free_channels(cs); | |
955 | ||
9d4bee2b | 956 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
957 | schedule_init(cs, MS_INIT); |
958 | ||
69049cc8 | 959 | cs->isdn_up = 1; |
14fa73a7 | 960 | gigaset_i4l_cmd(cs, ISDN_STAT_RUN); |
784d5858 TS |
961 | // FIXME: not in locked mode |
962 | // FIXME 2: only after init sequence | |
14fa73a7 HL |
963 | |
964 | cs->waiting = 0; | |
965 | wake_up(&cs->waitqueue); | |
966 | } | |
967 | ||
968 | static void finish_shutdown(struct cardstate *cs) | |
969 | { | |
9d4bee2b TS |
970 | if (cs->mstate != MS_LOCKED) { |
971 | cs->mstate = MS_UNINITIALIZED; | |
972 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
973 | } |
974 | ||
69049cc8 TS |
975 | /* Tell the LL that the device is not available .. */ |
976 | if (cs->isdn_up) { | |
977 | cs->isdn_up = 0; | |
978 | gigaset_i4l_cmd(cs, ISDN_STAT_STOP); | |
979 | } | |
980 | ||
14fa73a7 HL |
981 | /* The rest is done by cleanup_cs () in user mode. */ |
982 | ||
983 | cs->cmd_result = -ENODEV; | |
984 | cs->waiting = 0; | |
2869b23e | 985 | wake_up(&cs->waitqueue); |
14fa73a7 HL |
986 | } |
987 | ||
988 | static void do_shutdown(struct cardstate *cs) | |
989 | { | |
990 | gigaset_block_channels(cs); | |
991 | ||
9d4bee2b TS |
992 | if (cs->mstate == MS_READY) { |
993 | cs->mstate = MS_SHUTDOWN; | |
14fa73a7 | 994 | cs->at_state.pending_commands |= PC_SHUTDOWN; |
9d4bee2b | 995 | cs->commands_pending = 1; |
784d5858 | 996 | gig_dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN"); |
14fa73a7 HL |
997 | } else |
998 | finish_shutdown(cs); | |
999 | } | |
1000 | ||
1001 | static void do_stop(struct cardstate *cs) | |
1002 | { | |
69049cc8 TS |
1003 | unsigned long flags; |
1004 | ||
1005 | spin_lock_irqsave(&cs->lock, flags); | |
1006 | cs->connected = 0; | |
1007 | spin_unlock_irqrestore(&cs->lock, flags); | |
1008 | ||
14fa73a7 HL |
1009 | do_shutdown(cs); |
1010 | } | |
1011 | ||
1012 | /* Entering cid mode or getting a cid failed: | |
1013 | * try to initialize the device and try again. | |
1014 | * | |
1015 | * channel >= 0: getting cid for the channel failed | |
1016 | * channel < 0: entering cid mode failed | |
1017 | * | |
1018 | * returns 0 on failure | |
1019 | */ | |
1020 | static int reinit_and_retry(struct cardstate *cs, int channel) | |
1021 | { | |
1022 | int i; | |
1023 | ||
1024 | if (--cs->retry_count <= 0) | |
1025 | return 0; | |
1026 | ||
1027 | for (i = 0; i < cs->channels; ++i) | |
1028 | if (cs->bcs[i].at_state.cid > 0) | |
1029 | return 0; | |
1030 | ||
1031 | if (channel < 0) | |
784d5858 TS |
1032 | dev_warn(cs->dev, |
1033 | "Could not enter cid mode. Reinit device and try again.\n"); | |
14fa73a7 | 1034 | else { |
784d5858 TS |
1035 | dev_warn(cs->dev, |
1036 | "Could not get a call id. Reinit device and try again.\n"); | |
14fa73a7 HL |
1037 | cs->bcs[channel].at_state.pending_commands |= PC_CID; |
1038 | } | |
1039 | schedule_init(cs, MS_INIT); | |
1040 | return 1; | |
1041 | } | |
1042 | ||
1043 | static int at_state_invalid(struct cardstate *cs, | |
784d5858 | 1044 | struct at_state_t *test_ptr) |
14fa73a7 HL |
1045 | { |
1046 | unsigned long flags; | |
1047 | unsigned channel; | |
1048 | struct at_state_t *at_state; | |
1049 | int retval = 0; | |
1050 | ||
1051 | spin_lock_irqsave(&cs->lock, flags); | |
1052 | ||
1053 | if (test_ptr == &cs->at_state) | |
1054 | goto exit; | |
1055 | ||
1056 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1057 | if (at_state == test_ptr) | |
1058 | goto exit; | |
1059 | ||
1060 | for (channel = 0; channel < cs->channels; ++channel) | |
1061 | if (&cs->bcs[channel].at_state == test_ptr) | |
1062 | goto exit; | |
1063 | ||
1064 | retval = 1; | |
1065 | exit: | |
1066 | spin_unlock_irqrestore(&cs->lock, flags); | |
1067 | return retval; | |
1068 | } | |
1069 | ||
1070 | static void handle_icall(struct cardstate *cs, struct bc_state *bcs, | |
1071 | struct at_state_t **p_at_state) | |
1072 | { | |
1073 | int retval; | |
1074 | struct at_state_t *at_state = *p_at_state; | |
1075 | ||
1076 | retval = gigaset_isdn_icall(at_state); | |
1077 | switch (retval) { | |
1078 | case ICALL_ACCEPT: | |
1079 | break; | |
1080 | default: | |
784d5858 | 1081 | dev_err(cs->dev, "internal error: disposition=%d\n", retval); |
14fa73a7 HL |
1082 | /* --v-- fall through --v-- */ |
1083 | case ICALL_IGNORE: | |
1084 | case ICALL_REJECT: | |
1085 | /* hang up actively | |
1086 | * Device doc says that would reject the call. | |
1087 | * In fact it doesn't. | |
1088 | */ | |
1089 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1090 | cs->commands_pending = 1; |
14fa73a7 HL |
1091 | break; |
1092 | } | |
1093 | } | |
1094 | ||
1095 | static int do_lock(struct cardstate *cs) | |
1096 | { | |
1097 | int mode; | |
1098 | int i; | |
1099 | ||
9d4bee2b | 1100 | switch (cs->mstate) { |
14fa73a7 HL |
1101 | case MS_UNINITIALIZED: |
1102 | case MS_READY: | |
1103 | if (cs->cur_at_seq || !list_empty(&cs->temp_at_states) || | |
1104 | cs->at_state.pending_commands) | |
1105 | return -EBUSY; | |
1106 | ||
1107 | for (i = 0; i < cs->channels; ++i) | |
1108 | if (cs->bcs[i].at_state.pending_commands) | |
1109 | return -EBUSY; | |
1110 | ||
1111 | if (!gigaset_get_channels(cs)) | |
1112 | return -EBUSY; | |
1113 | ||
1114 | break; | |
1115 | case MS_LOCKED: | |
1116 | //retval = -EACCES; | |
1117 | break; | |
1118 | default: | |
1119 | return -EBUSY; | |
1120 | } | |
1121 | ||
9d4bee2b TS |
1122 | mode = cs->mode; |
1123 | cs->mstate = MS_LOCKED; | |
1124 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
1125 | |
1126 | return mode; | |
1127 | } | |
1128 | ||
1129 | static int do_unlock(struct cardstate *cs) | |
1130 | { | |
9d4bee2b | 1131 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
1132 | return -EINVAL; |
1133 | ||
9d4bee2b TS |
1134 | cs->mstate = MS_UNINITIALIZED; |
1135 | cs->mode = M_UNKNOWN; | |
14fa73a7 | 1136 | gigaset_free_channels(cs); |
69049cc8 | 1137 | if (cs->connected) |
14fa73a7 HL |
1138 | schedule_init(cs, MS_INIT); |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | static void do_action(int action, struct cardstate *cs, | |
1144 | struct bc_state *bcs, | |
1145 | struct at_state_t **p_at_state, char **pp_command, | |
1146 | int *p_genresp, int *p_resp_code, | |
1147 | struct event_t *ev) | |
1148 | { | |
1149 | struct at_state_t *at_state = *p_at_state; | |
1150 | struct at_state_t *at_state2; | |
1151 | unsigned long flags; | |
1152 | ||
1153 | int channel; | |
1154 | ||
1155 | unsigned char *s, *e; | |
1156 | int i; | |
1157 | unsigned long val; | |
1158 | ||
1159 | switch (action) { | |
1160 | case ACT_NOTHING: | |
1161 | break; | |
1162 | case ACT_TIMEOUT: | |
1163 | at_state->waiting = 1; | |
1164 | break; | |
1165 | case ACT_INIT: | |
14fa73a7 HL |
1166 | cs->at_state.pending_commands &= ~PC_INIT; |
1167 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1168 | cs->mode = M_UNIMODEM; |
69049cc8 TS |
1169 | spin_lock_irqsave(&cs->lock, flags); |
1170 | if (!cs->cidmode) { | |
1171 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 1172 | gigaset_free_channels(cs); |
9d4bee2b | 1173 | cs->mstate = MS_READY; |
14fa73a7 HL |
1174 | break; |
1175 | } | |
69049cc8 | 1176 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1177 | cs->at_state.pending_commands |= PC_CIDMODE; |
9d4bee2b | 1178 | cs->commands_pending = 1; |
784d5858 | 1179 | gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); |
14fa73a7 HL |
1180 | break; |
1181 | case ACT_FAILINIT: | |
784d5858 | 1182 | dev_warn(cs->dev, "Could not initialize the device.\n"); |
14fa73a7 HL |
1183 | cs->dle = 0; |
1184 | init_failed(cs, M_UNKNOWN); | |
1185 | cs->cur_at_seq = SEQ_NONE; | |
1186 | break; | |
1187 | case ACT_CONFIGMODE: | |
1188 | init_failed(cs, M_CONFIG); | |
1189 | cs->cur_at_seq = SEQ_NONE; | |
1190 | break; | |
1191 | case ACT_SETDLE1: | |
1192 | cs->dle = 1; | |
1193 | /* cs->inbuf[0].inputstate |= INS_command | INS_DLE_command; */ | |
1194 | cs->inbuf[0].inputstate &= | |
1195 | ~(INS_command | INS_DLE_command); | |
1196 | break; | |
1197 | case ACT_SETDLE0: | |
1198 | cs->dle = 0; | |
1199 | cs->inbuf[0].inputstate = | |
1200 | (cs->inbuf[0].inputstate & ~INS_DLE_command) | |
1201 | | INS_command; | |
1202 | break; | |
1203 | case ACT_CMODESET: | |
9d4bee2b | 1204 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 | 1205 | gigaset_free_channels(cs); |
9d4bee2b | 1206 | cs->mstate = MS_READY; |
14fa73a7 | 1207 | } |
9d4bee2b | 1208 | cs->mode = M_CID; |
14fa73a7 HL |
1209 | cs->cur_at_seq = SEQ_NONE; |
1210 | break; | |
1211 | case ACT_UMODESET: | |
9d4bee2b | 1212 | cs->mode = M_UNIMODEM; |
14fa73a7 HL |
1213 | cs->cur_at_seq = SEQ_NONE; |
1214 | break; | |
1215 | case ACT_FAILCMODE: | |
1216 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1217 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1218 | init_failed(cs, M_UNKNOWN); |
1219 | break; | |
1220 | } | |
1221 | if (!reinit_and_retry(cs, -1)) | |
1222 | schedule_init(cs, MS_RECOVER); | |
1223 | break; | |
1224 | case ACT_FAILUMODE: | |
1225 | cs->cur_at_seq = SEQ_NONE; | |
1226 | schedule_init(cs, MS_RECOVER); | |
1227 | break; | |
1228 | case ACT_HUPMODEM: | |
1229 | /* send "+++" (hangup in unimodem mode) */ | |
698e3ed9 TS |
1230 | if (cs->connected) |
1231 | cs->ops->write_cmd(cs, "+++", 3, NULL); | |
14fa73a7 HL |
1232 | break; |
1233 | case ACT_RING: | |
1234 | /* get fresh AT state structure for new CID */ | |
1235 | at_state2 = get_free_channel(cs, ev->parameter); | |
1236 | if (!at_state2) { | |
784d5858 TS |
1237 | dev_warn(cs->dev, |
1238 | "RING ignored: could not allocate channel structure\n"); | |
14fa73a7 HL |
1239 | break; |
1240 | } | |
1241 | ||
1242 | /* initialize AT state structure | |
1243 | * note that bcs may be NULL if no B channel is free | |
1244 | */ | |
1245 | at_state2->ConState = 700; | |
1246 | kfree(at_state2->str_var[STR_NMBR]); | |
1247 | at_state2->str_var[STR_NMBR] = NULL; | |
1248 | kfree(at_state2->str_var[STR_ZCPN]); | |
1249 | at_state2->str_var[STR_ZCPN] = NULL; | |
1250 | kfree(at_state2->str_var[STR_ZBC]); | |
1251 | at_state2->str_var[STR_ZBC] = NULL; | |
1252 | kfree(at_state2->str_var[STR_ZHLC]); | |
1253 | at_state2->str_var[STR_ZHLC] = NULL; | |
1254 | at_state2->int_var[VAR_ZCTP] = -1; | |
1255 | ||
1256 | spin_lock_irqsave(&cs->lock, flags); | |
1257 | at_state2->timer_expires = RING_TIMEOUT; | |
1258 | at_state2->timer_active = 1; | |
1259 | spin_unlock_irqrestore(&cs->lock, flags); | |
1260 | break; | |
1261 | case ACT_ICALL: | |
1262 | handle_icall(cs, bcs, p_at_state); | |
14fa73a7 HL |
1263 | break; |
1264 | case ACT_FAILSDOWN: | |
784d5858 | 1265 | dev_warn(cs->dev, "Could not shut down the device.\n"); |
14fa73a7 HL |
1266 | /* fall through */ |
1267 | case ACT_FAKESDOWN: | |
1268 | case ACT_SDOWN: | |
1269 | cs->cur_at_seq = SEQ_NONE; | |
1270 | finish_shutdown(cs); | |
1271 | break; | |
1272 | case ACT_CONNECT: | |
1273 | if (cs->onechannel) { | |
1274 | at_state->pending_commands |= PC_DLE1; | |
9d4bee2b | 1275 | cs->commands_pending = 1; |
14fa73a7 HL |
1276 | break; |
1277 | } | |
1278 | bcs->chstate |= CHS_D_UP; | |
1279 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN); | |
1280 | cs->ops->init_bchannel(bcs); | |
1281 | break; | |
1282 | case ACT_DLE1: | |
1283 | cs->cur_at_seq = SEQ_NONE; | |
1284 | bcs = cs->bcs + cs->curchannel; | |
1285 | ||
1286 | bcs->chstate |= CHS_D_UP; | |
1287 | gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN); | |
1288 | cs->ops->init_bchannel(bcs); | |
1289 | break; | |
1290 | case ACT_FAKEHUP: | |
1291 | at_state->int_var[VAR_ZSAU] = ZSAU_NULL; | |
1292 | /* fall through */ | |
1293 | case ACT_DISCONNECT: | |
1294 | cs->cur_at_seq = SEQ_NONE; | |
1295 | at_state->cid = -1; | |
1296 | if (bcs && cs->onechannel && cs->dle) { | |
1297 | /* Check for other open channels not needed: | |
1298 | * DLE only used for M10x with one B channel. | |
1299 | */ | |
1300 | at_state->pending_commands |= PC_DLE0; | |
9d4bee2b | 1301 | cs->commands_pending = 1; |
698e3ed9 | 1302 | } else |
14fa73a7 | 1303 | disconnect(p_at_state); |
14fa73a7 HL |
1304 | break; |
1305 | case ACT_FAKEDLE0: | |
1306 | at_state->int_var[VAR_ZDLE] = 0; | |
1307 | cs->dle = 0; | |
1308 | /* fall through */ | |
1309 | case ACT_DLE0: | |
1310 | cs->cur_at_seq = SEQ_NONE; | |
1311 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1312 | disconnect(&at_state2); | |
1313 | break; | |
1314 | case ACT_ABORTHUP: | |
1315 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1316 | dev_warn(cs->dev, "Could not hang up.\n"); |
14fa73a7 HL |
1317 | at_state->cid = -1; |
1318 | if (bcs && cs->onechannel) | |
1319 | at_state->pending_commands |= PC_DLE0; | |
698e3ed9 | 1320 | else |
14fa73a7 | 1321 | disconnect(p_at_state); |
14fa73a7 HL |
1322 | schedule_init(cs, MS_RECOVER); |
1323 | break; | |
1324 | case ACT_FAILDLE0: | |
1325 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1326 | dev_warn(cs->dev, "Could not leave DLE mode.\n"); |
14fa73a7 HL |
1327 | at_state2 = &cs->bcs[cs->curchannel].at_state; |
1328 | disconnect(&at_state2); | |
1329 | schedule_init(cs, MS_RECOVER); | |
1330 | break; | |
1331 | case ACT_FAILDLE1: | |
1332 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 TS |
1333 | dev_warn(cs->dev, |
1334 | "Could not enter DLE mode. Trying to hang up.\n"); | |
14fa73a7 HL |
1335 | channel = cs->curchannel; |
1336 | cs->bcs[channel].at_state.pending_commands |= PC_HUP; | |
9d4bee2b | 1337 | cs->commands_pending = 1; |
14fa73a7 HL |
1338 | break; |
1339 | ||
1340 | case ACT_CID: /* got cid; start dialing */ | |
1341 | cs->cur_at_seq = SEQ_NONE; | |
1342 | channel = cs->curchannel; | |
1343 | if (ev->parameter > 0 && ev->parameter <= 65535) { | |
1344 | cs->bcs[channel].at_state.cid = ev->parameter; | |
1345 | cs->bcs[channel].at_state.pending_commands |= | |
1346 | PC_DIAL; | |
9d4bee2b | 1347 | cs->commands_pending = 1; |
14fa73a7 HL |
1348 | break; |
1349 | } | |
1350 | /* fall through */ | |
1351 | case ACT_FAILCID: | |
1352 | cs->cur_at_seq = SEQ_NONE; | |
1353 | channel = cs->curchannel; | |
1354 | if (!reinit_and_retry(cs, channel)) { | |
784d5858 TS |
1355 | dev_warn(cs->dev, |
1356 | "Could not get a call ID. Cannot dial.\n"); | |
14fa73a7 HL |
1357 | at_state2 = &cs->bcs[channel].at_state; |
1358 | disconnect(&at_state2); | |
1359 | } | |
1360 | break; | |
1361 | case ACT_ABORTCID: | |
1362 | cs->cur_at_seq = SEQ_NONE; | |
1363 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1364 | disconnect(&at_state2); | |
1365 | break; | |
1366 | ||
1367 | case ACT_DIALING: | |
1368 | case ACT_ACCEPTED: | |
1369 | cs->cur_at_seq = SEQ_NONE; | |
1370 | break; | |
1371 | ||
1372 | case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL processing */ | |
1373 | disconnect(p_at_state); | |
14fa73a7 HL |
1374 | break; |
1375 | ||
1376 | case ACT_ABORTDIAL: /* error/timeout during dial preparation */ | |
1377 | cs->cur_at_seq = SEQ_NONE; | |
1378 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1379 | cs->commands_pending = 1; |
14fa73a7 HL |
1380 | break; |
1381 | ||
1382 | case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */ | |
1383 | case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */ | |
1384 | case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */ | |
1385 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1386 | cs->commands_pending = 1; |
14fa73a7 | 1387 | break; |
917f5085 | 1388 | case ACT_GETSTRING: /* warning: RING, ZDLE, ... |
784d5858 | 1389 | are not handled properly anymore */ |
14fa73a7 HL |
1390 | at_state->getstring = 1; |
1391 | break; | |
1392 | case ACT_SETVER: | |
1393 | if (!ev->ptr) { | |
1394 | *p_genresp = 1; | |
1395 | *p_resp_code = RSP_ERROR; | |
1396 | break; | |
1397 | } | |
1398 | s = ev->ptr; | |
1399 | ||
1400 | if (!strcmp(s, "OK")) { | |
1401 | *p_genresp = 1; | |
1402 | *p_resp_code = RSP_ERROR; | |
1403 | break; | |
1404 | } | |
1405 | ||
1406 | for (i = 0; i < 4; ++i) { | |
1407 | val = simple_strtoul(s, (char **) &e, 10); | |
1408 | if (val > INT_MAX || e == s) | |
1409 | break; | |
1410 | if (i == 3) { | |
1411 | if (*e) | |
1412 | break; | |
1413 | } else if (*e != '.') | |
1414 | break; | |
1415 | else | |
1416 | s = e + 1; | |
1417 | cs->fwver[i] = val; | |
1418 | } | |
1419 | if (i != 4) { | |
1420 | *p_genresp = 1; | |
1421 | *p_resp_code = RSP_ERROR; | |
1422 | break; | |
1423 | } | |
1424 | /*at_state->getstring = 1;*/ | |
1425 | cs->gotfwver = 0; | |
1426 | break; | |
1427 | case ACT_GOTVER: | |
1428 | if (cs->gotfwver == 0) { | |
1429 | cs->gotfwver = 1; | |
784d5858 TS |
1430 | gig_dbg(DEBUG_ANY, |
1431 | "firmware version %02d.%03d.%02d.%02d", | |
1432 | cs->fwver[0], cs->fwver[1], | |
1433 | cs->fwver[2], cs->fwver[3]); | |
14fa73a7 HL |
1434 | break; |
1435 | } | |
1436 | /* fall through */ | |
1437 | case ACT_FAILVER: | |
1438 | cs->gotfwver = -1; | |
784d5858 | 1439 | dev_err(cs->dev, "could not read firmware version.\n"); |
14fa73a7 | 1440 | break; |
14fa73a7 | 1441 | case ACT_ERROR: |
05eae94f TS |
1442 | gig_dbg(DEBUG_ANY, "%s: ERROR response in ConState %d", |
1443 | __func__, at_state->ConState); | |
1444 | cs->cur_at_seq = SEQ_NONE; | |
14fa73a7 | 1445 | break; |
05eae94f | 1446 | #ifdef CONFIG_GIGASET_DEBUG |
14fa73a7 HL |
1447 | case ACT_TEST: |
1448 | { | |
1449 | static int count = 3; //2; //1; | |
1450 | *p_genresp = 1; | |
1451 | *p_resp_code = count ? RSP_ERROR : RSP_OK; | |
1452 | if (count > 0) | |
1453 | --count; | |
1454 | } | |
1455 | break; | |
1456 | #endif | |
1457 | case ACT_DEBUG: | |
784d5858 | 1458 | gig_dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d", |
14fa73a7 HL |
1459 | __func__, ev->type, at_state->ConState); |
1460 | break; | |
1461 | case ACT_WARN: | |
784d5858 TS |
1462 | dev_warn(cs->dev, "%s: resp_code %d in ConState %d!\n", |
1463 | __func__, ev->type, at_state->ConState); | |
14fa73a7 HL |
1464 | break; |
1465 | case ACT_ZCAU: | |
784d5858 TS |
1466 | dev_warn(cs->dev, "cause code %04x in connection state %d.\n", |
1467 | ev->parameter, at_state->ConState); | |
14fa73a7 HL |
1468 | break; |
1469 | ||
1470 | /* events from the LL */ | |
1471 | case ACT_DIAL: | |
1472 | start_dial(at_state, ev->ptr, ev->parameter); | |
1473 | break; | |
1474 | case ACT_ACCEPT: | |
1475 | start_accept(at_state); | |
1476 | break; | |
1477 | case ACT_PROTO_L2: | |
784d5858 TS |
1478 | gig_dbg(DEBUG_CMD, "set protocol to %u", |
1479 | (unsigned) ev->parameter); | |
14fa73a7 HL |
1480 | at_state->bcs->proto2 = ev->parameter; |
1481 | break; | |
1482 | case ACT_HUP: | |
1483 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1484 | cs->commands_pending = 1; |
784d5858 | 1485 | gig_dbg(DEBUG_CMD, "Scheduling PC_HUP"); |
14fa73a7 HL |
1486 | break; |
1487 | ||
1488 | /* hotplug events */ | |
1489 | case ACT_STOP: | |
1490 | do_stop(cs); | |
1491 | break; | |
1492 | case ACT_START: | |
1493 | do_start(cs); | |
1494 | break; | |
1495 | ||
1496 | /* events from the interface */ // FIXME without ACT_xxxx? | |
1497 | case ACT_IF_LOCK: | |
1498 | cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs); | |
1499 | cs->waiting = 0; | |
1500 | wake_up(&cs->waitqueue); | |
1501 | break; | |
1502 | case ACT_IF_VER: | |
1503 | if (ev->parameter != 0) | |
1504 | cs->cmd_result = -EINVAL; | |
1505 | else if (cs->gotfwver != 1) { | |
1506 | cs->cmd_result = -ENOENT; | |
1507 | } else { | |
1508 | memcpy(ev->arg, cs->fwver, sizeof cs->fwver); | |
1509 | cs->cmd_result = 0; | |
1510 | } | |
1511 | cs->waiting = 0; | |
1512 | wake_up(&cs->waitqueue); | |
1513 | break; | |
1514 | ||
1515 | /* events from the proc file system */ // FIXME without ACT_xxxx? | |
1516 | case ACT_PROC_CIDMODE: | |
69049cc8 TS |
1517 | spin_lock_irqsave(&cs->lock, flags); |
1518 | if (ev->parameter != cs->cidmode) { | |
1519 | cs->cidmode = ev->parameter; | |
14fa73a7 HL |
1520 | if (ev->parameter) { |
1521 | cs->at_state.pending_commands |= PC_CIDMODE; | |
784d5858 | 1522 | gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); |
14fa73a7 HL |
1523 | } else { |
1524 | cs->at_state.pending_commands |= PC_UMMODE; | |
784d5858 | 1525 | gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE"); |
14fa73a7 | 1526 | } |
9d4bee2b | 1527 | cs->commands_pending = 1; |
14fa73a7 | 1528 | } |
69049cc8 | 1529 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1530 | cs->waiting = 0; |
1531 | wake_up(&cs->waitqueue); | |
1532 | break; | |
1533 | ||
1534 | /* events from the hardware drivers */ | |
1535 | case ACT_NOTIFY_BC_DOWN: | |
1536 | bchannel_down(bcs); | |
1537 | break; | |
1538 | case ACT_NOTIFY_BC_UP: | |
1539 | bchannel_up(bcs); | |
1540 | break; | |
1541 | case ACT_SHUTDOWN: | |
1542 | do_shutdown(cs); | |
1543 | break; | |
1544 | ||
1545 | ||
1546 | default: | |
1547 | if (action >= ACT_CMD && action < ACT_CMD + AT_NUM) { | |
1548 | *pp_command = at_state->bcs->commands[action - ACT_CMD]; | |
1549 | if (!*pp_command) { | |
1550 | *p_genresp = 1; | |
1551 | *p_resp_code = RSP_NULL; | |
1552 | } | |
1553 | } else | |
784d5858 | 1554 | dev_err(cs->dev, "%s: action==%d!\n", __func__, action); |
14fa73a7 HL |
1555 | } |
1556 | } | |
1557 | ||
1558 | /* State machine to do the calling and hangup procedure */ | |
1559 | static void process_event(struct cardstate *cs, struct event_t *ev) | |
1560 | { | |
1561 | struct bc_state *bcs; | |
1562 | char *p_command = NULL; | |
1563 | struct reply_t *rep; | |
1564 | int rcode; | |
1565 | int genresp = 0; | |
1566 | int resp_code = RSP_ERROR; | |
1567 | int sendcid; | |
1568 | struct at_state_t *at_state; | |
1569 | int index; | |
1570 | int curact; | |
1571 | unsigned long flags; | |
1572 | ||
14fa73a7 HL |
1573 | if (ev->cid >= 0) { |
1574 | at_state = at_state_from_cid(cs, ev->cid); | |
1575 | if (!at_state) { | |
1576 | gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID, | |
784d5858 | 1577 | NULL, 0, NULL); |
14fa73a7 HL |
1578 | return; |
1579 | } | |
1580 | } else { | |
1581 | at_state = ev->at_state; | |
1582 | if (at_state_invalid(cs, at_state)) { | |
784d5858 TS |
1583 | gig_dbg(DEBUG_ANY, "event for invalid at_state %p", |
1584 | at_state); | |
14fa73a7 HL |
1585 | return; |
1586 | } | |
1587 | } | |
1588 | ||
784d5858 TS |
1589 | gig_dbg(DEBUG_CMD, "connection state %d, event %d", |
1590 | at_state->ConState, ev->type); | |
14fa73a7 HL |
1591 | |
1592 | bcs = at_state->bcs; | |
1593 | sendcid = at_state->cid; | |
1594 | ||
1595 | /* Setting the pointer to the dial array */ | |
1596 | rep = at_state->replystruct; | |
14fa73a7 | 1597 | |
69049cc8 | 1598 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1599 | if (ev->type == EV_TIMEOUT) { |
69049cc8 | 1600 | if (ev->parameter != at_state->timer_index |
14fa73a7 HL |
1601 | || !at_state->timer_active) { |
1602 | ev->type = RSP_NONE; /* old timeout */ | |
784d5858 | 1603 | gig_dbg(DEBUG_ANY, "old timeout"); |
14fa73a7 | 1604 | } else if (!at_state->waiting) |
784d5858 | 1605 | gig_dbg(DEBUG_ANY, "timeout occurred"); |
14fa73a7 | 1606 | else |
784d5858 | 1607 | gig_dbg(DEBUG_ANY, "stopped waiting"); |
14fa73a7 | 1608 | } |
69049cc8 | 1609 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1610 | |
917f5085 TS |
1611 | /* if the response belongs to a variable in at_state->int_var[VAR_XXXX] |
1612 | or at_state->str_var[STR_XXXX], set it */ | |
14fa73a7 HL |
1613 | if (ev->type >= RSP_VAR && ev->type < RSP_VAR + VAR_NUM) { |
1614 | index = ev->type - RSP_VAR; | |
1615 | at_state->int_var[index] = ev->parameter; | |
1616 | } else if (ev->type >= RSP_STR && ev->type < RSP_STR + STR_NUM) { | |
1617 | index = ev->type - RSP_STR; | |
1618 | kfree(at_state->str_var[index]); | |
1619 | at_state->str_var[index] = ev->ptr; | |
917f5085 TS |
1620 | ev->ptr = NULL; /* prevent process_events() from |
1621 | deallocating ptr */ | |
14fa73a7 HL |
1622 | } |
1623 | ||
1624 | if (ev->type == EV_TIMEOUT || ev->type == RSP_STRING) | |
1625 | at_state->getstring = 0; | |
1626 | ||
917f5085 TS |
1627 | /* Search row in dial array which matches modem response and current |
1628 | constate */ | |
14fa73a7 HL |
1629 | for (;; rep++) { |
1630 | rcode = rep->resp_code; | |
14fa73a7 HL |
1631 | if (rcode == RSP_LAST) { |
1632 | /* found nothing...*/ | |
784d5858 TS |
1633 | dev_warn(cs->dev, "%s: rcode=RSP_LAST: " |
1634 | "resp_code %d in ConState %d!\n", | |
1635 | __func__, ev->type, at_state->ConState); | |
14fa73a7 HL |
1636 | return; |
1637 | } | |
1638 | if ((rcode == RSP_ANY || rcode == ev->type) | |
1639 | && ((int) at_state->ConState >= rep->min_ConState) | |
1640 | && (rep->max_ConState < 0 | |
1641 | || (int) at_state->ConState <= rep->max_ConState) | |
1642 | && (rep->parameter < 0 || rep->parameter == ev->parameter)) | |
1643 | break; | |
1644 | } | |
1645 | ||
1646 | p_command = rep->command; | |
1647 | ||
1648 | at_state->waiting = 0; | |
1649 | for (curact = 0; curact < MAXACT; ++curact) { | |
1650 | /* The row tells us what we should do .. | |
1651 | */ | |
1652 | do_action(rep->action[curact], cs, bcs, &at_state, &p_command, &genresp, &resp_code, ev); | |
1653 | if (!at_state) | |
1654 | break; /* may be freed after disconnect */ | |
1655 | } | |
1656 | ||
1657 | if (at_state) { | |
1658 | /* Jump to the next con-state regarding the array */ | |
1659 | if (rep->new_ConState >= 0) | |
1660 | at_state->ConState = rep->new_ConState; | |
1661 | ||
1662 | if (genresp) { | |
1663 | spin_lock_irqsave(&cs->lock, flags); | |
1664 | at_state->timer_expires = 0; //FIXME | |
1665 | at_state->timer_active = 0; //FIXME | |
1666 | spin_unlock_irqrestore(&cs->lock, flags); | |
1667 | gigaset_add_event(cs, at_state, resp_code, NULL, 0, NULL); | |
1668 | } else { | |
1669 | /* Send command to modem if not NULL... */ | |
1670 | if (p_command/*rep->command*/) { | |
69049cc8 | 1671 | if (cs->connected) |
14fa73a7 | 1672 | send_command(cs, p_command, |
784d5858 TS |
1673 | sendcid, cs->dle, |
1674 | GFP_ATOMIC); | |
14fa73a7 HL |
1675 | else |
1676 | gigaset_add_event(cs, at_state, | |
784d5858 TS |
1677 | RSP_NODEV, |
1678 | NULL, 0, NULL); | |
14fa73a7 HL |
1679 | } |
1680 | ||
1681 | spin_lock_irqsave(&cs->lock, flags); | |
1682 | if (!rep->timeout) { | |
1683 | at_state->timer_expires = 0; | |
1684 | at_state->timer_active = 0; | |
1685 | } else if (rep->timeout > 0) { /* new timeout */ | |
1686 | at_state->timer_expires = rep->timeout * 10; | |
1687 | at_state->timer_active = 1; | |
69049cc8 | 1688 | ++at_state->timer_index; |
14fa73a7 HL |
1689 | } |
1690 | spin_unlock_irqrestore(&cs->lock, flags); | |
1691 | } | |
1692 | } | |
1693 | } | |
1694 | ||
1695 | static void schedule_sequence(struct cardstate *cs, | |
1696 | struct at_state_t *at_state, int sequence) | |
1697 | { | |
1698 | cs->cur_at_seq = sequence; | |
1699 | gigaset_add_event(cs, at_state, RSP_INIT, NULL, sequence, NULL); | |
1700 | } | |
1701 | ||
1702 | static void process_command_flags(struct cardstate *cs) | |
1703 | { | |
1704 | struct at_state_t *at_state = NULL; | |
1705 | struct bc_state *bcs; | |
1706 | int i; | |
1707 | int sequence; | |
69049cc8 | 1708 | unsigned long flags; |
14fa73a7 | 1709 | |
9d4bee2b | 1710 | cs->commands_pending = 0; |
14fa73a7 HL |
1711 | |
1712 | if (cs->cur_at_seq) { | |
784d5858 | 1713 | gig_dbg(DEBUG_CMD, "not searching scheduled commands: busy"); |
14fa73a7 HL |
1714 | return; |
1715 | } | |
1716 | ||
784d5858 | 1717 | gig_dbg(DEBUG_CMD, "searching scheduled commands"); |
14fa73a7 HL |
1718 | |
1719 | sequence = SEQ_NONE; | |
1720 | ||
1721 | /* clear pending_commands and hangup channels on shutdown */ | |
1722 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1723 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1724 | for (i = 0; i < cs->channels; ++i) { | |
1725 | bcs = cs->bcs + i; | |
1726 | at_state = &bcs->at_state; | |
1727 | at_state->pending_commands &= | |
1728 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1729 | if (at_state->cid > 0) | |
1730 | at_state->pending_commands |= PC_HUP; | |
1731 | if (at_state->pending_commands & PC_CID) { | |
1732 | at_state->pending_commands |= PC_NOCID; | |
1733 | at_state->pending_commands &= ~PC_CID; | |
1734 | } | |
1735 | } | |
1736 | } | |
1737 | ||
1738 | /* clear pending_commands and hangup channels on reset */ | |
1739 | if (cs->at_state.pending_commands & PC_INIT) { | |
1740 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1741 | for (i = 0; i < cs->channels; ++i) { | |
1742 | bcs = cs->bcs + i; | |
1743 | at_state = &bcs->at_state; | |
1744 | at_state->pending_commands &= | |
1745 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1746 | if (at_state->cid > 0) | |
1747 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1748 | if (cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1749 | if (at_state->pending_commands & PC_CID) { |
1750 | at_state->pending_commands |= PC_NOCID; | |
1751 | at_state->pending_commands &= ~PC_CID; | |
1752 | } | |
1753 | } | |
1754 | } | |
1755 | } | |
1756 | ||
1757 | /* only switch back to unimodem mode, if no commands are pending and no channels are up */ | |
69049cc8 | 1758 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1759 | if (cs->at_state.pending_commands == PC_UMMODE |
69049cc8 | 1760 | && !cs->cidmode |
14fa73a7 | 1761 | && list_empty(&cs->temp_at_states) |
9d4bee2b | 1762 | && cs->mode == M_CID) { |
14fa73a7 HL |
1763 | sequence = SEQ_UMMODE; |
1764 | at_state = &cs->at_state; | |
1765 | for (i = 0; i < cs->channels; ++i) { | |
1766 | bcs = cs->bcs + i; | |
1767 | if (bcs->at_state.pending_commands || | |
1768 | bcs->at_state.cid > 0) { | |
1769 | sequence = SEQ_NONE; | |
1770 | break; | |
1771 | } | |
1772 | } | |
1773 | } | |
69049cc8 | 1774 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1775 | cs->at_state.pending_commands &= ~PC_UMMODE; |
1776 | if (sequence != SEQ_NONE) { | |
1777 | schedule_sequence(cs, at_state, sequence); | |
1778 | return; | |
1779 | } | |
1780 | ||
1781 | for (i = 0; i < cs->channels; ++i) { | |
1782 | bcs = cs->bcs + i; | |
1783 | if (bcs->at_state.pending_commands & PC_HUP) { | |
1784 | bcs->at_state.pending_commands &= ~PC_HUP; | |
1785 | if (bcs->at_state.pending_commands & PC_CID) { | |
1786 | /* not yet dialing: PC_NOCID is sufficient */ | |
1787 | bcs->at_state.pending_commands |= PC_NOCID; | |
1788 | bcs->at_state.pending_commands &= ~PC_CID; | |
1789 | } else { | |
1790 | schedule_sequence(cs, &bcs->at_state, SEQ_HUP); | |
1791 | return; | |
1792 | } | |
1793 | } | |
1794 | if (bcs->at_state.pending_commands & PC_NOCID) { | |
1795 | bcs->at_state.pending_commands &= ~PC_NOCID; | |
1796 | cs->curchannel = bcs->channel; | |
1797 | schedule_sequence(cs, &cs->at_state, SEQ_NOCID); | |
1798 | return; | |
1799 | } else if (bcs->at_state.pending_commands & PC_DLE0) { | |
1800 | bcs->at_state.pending_commands &= ~PC_DLE0; | |
1801 | cs->curchannel = bcs->channel; | |
1802 | schedule_sequence(cs, &cs->at_state, SEQ_DLE0); | |
1803 | return; | |
1804 | } | |
1805 | } | |
1806 | ||
1807 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1808 | if (at_state->pending_commands & PC_HUP) { | |
1809 | at_state->pending_commands &= ~PC_HUP; | |
1810 | schedule_sequence(cs, at_state, SEQ_HUP); | |
1811 | return; | |
1812 | } | |
1813 | ||
1814 | if (cs->at_state.pending_commands & PC_INIT) { | |
1815 | cs->at_state.pending_commands &= ~PC_INIT; | |
1816 | cs->dle = 0; //FIXME | |
1817 | cs->inbuf->inputstate = INS_command; | |
1818 | //FIXME reset card state (or -> LOCK0)? | |
1819 | schedule_sequence(cs, &cs->at_state, SEQ_INIT); | |
1820 | return; | |
1821 | } | |
1822 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1823 | cs->at_state.pending_commands &= ~PC_SHUTDOWN; | |
1824 | schedule_sequence(cs, &cs->at_state, SEQ_SHUTDOWN); | |
1825 | return; | |
1826 | } | |
1827 | if (cs->at_state.pending_commands & PC_CIDMODE) { | |
1828 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
9d4bee2b | 1829 | if (cs->mode == M_UNIMODEM) { |
14fa73a7 | 1830 | cs->retry_count = 1; |
14fa73a7 HL |
1831 | schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE); |
1832 | return; | |
1833 | } | |
1834 | } | |
1835 | ||
1836 | for (i = 0; i < cs->channels; ++i) { | |
1837 | bcs = cs->bcs + i; | |
1838 | if (bcs->at_state.pending_commands & PC_DLE1) { | |
1839 | bcs->at_state.pending_commands &= ~PC_DLE1; | |
1840 | cs->curchannel = bcs->channel; | |
1841 | schedule_sequence(cs, &cs->at_state, SEQ_DLE1); | |
1842 | return; | |
1843 | } | |
1844 | if (bcs->at_state.pending_commands & PC_ACCEPT) { | |
1845 | bcs->at_state.pending_commands &= ~PC_ACCEPT; | |
1846 | schedule_sequence(cs, &bcs->at_state, SEQ_ACCEPT); | |
1847 | return; | |
1848 | } | |
1849 | if (bcs->at_state.pending_commands & PC_DIAL) { | |
1850 | bcs->at_state.pending_commands &= ~PC_DIAL; | |
1851 | schedule_sequence(cs, &bcs->at_state, SEQ_DIAL); | |
1852 | return; | |
1853 | } | |
1854 | if (bcs->at_state.pending_commands & PC_CID) { | |
9d4bee2b | 1855 | switch (cs->mode) { |
14fa73a7 HL |
1856 | case M_UNIMODEM: |
1857 | cs->at_state.pending_commands |= PC_CIDMODE; | |
784d5858 | 1858 | gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE"); |
9d4bee2b | 1859 | cs->commands_pending = 1; |
14fa73a7 HL |
1860 | return; |
1861 | #ifdef GIG_MAYINITONDIAL | |
1862 | case M_UNKNOWN: | |
1863 | schedule_init(cs, MS_INIT); | |
1864 | return; | |
1865 | #endif | |
1866 | } | |
1867 | bcs->at_state.pending_commands &= ~PC_CID; | |
1868 | cs->curchannel = bcs->channel; | |
1869 | #ifdef GIG_RETRYCID | |
1870 | cs->retry_count = 2; | |
1871 | #else | |
1872 | cs->retry_count = 1; | |
1873 | #endif | |
1874 | schedule_sequence(cs, &cs->at_state, SEQ_CID); | |
1875 | return; | |
1876 | } | |
1877 | } | |
1878 | } | |
1879 | ||
1880 | static void process_events(struct cardstate *cs) | |
1881 | { | |
1882 | struct event_t *ev; | |
1883 | unsigned head, tail; | |
1884 | int i; | |
1885 | int check_flags = 0; | |
1886 | int was_busy; | |
69049cc8 | 1887 | unsigned long flags; |
14fa73a7 | 1888 | |
69049cc8 TS |
1889 | spin_lock_irqsave(&cs->ev_lock, flags); |
1890 | head = cs->ev_head; | |
14fa73a7 HL |
1891 | |
1892 | for (i = 0; i < 2 * MAX_EVENTS; ++i) { | |
69049cc8 | 1893 | tail = cs->ev_tail; |
14fa73a7 | 1894 | if (tail == head) { |
9d4bee2b | 1895 | if (!check_flags && !cs->commands_pending) |
14fa73a7 HL |
1896 | break; |
1897 | check_flags = 0; | |
69049cc8 | 1898 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1899 | process_command_flags(cs); |
69049cc8 TS |
1900 | spin_lock_irqsave(&cs->ev_lock, flags); |
1901 | tail = cs->ev_tail; | |
14fa73a7 | 1902 | if (tail == head) { |
9d4bee2b | 1903 | if (!cs->commands_pending) |
14fa73a7 HL |
1904 | break; |
1905 | continue; | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | ev = cs->events + head; | |
1910 | was_busy = cs->cur_at_seq != SEQ_NONE; | |
69049cc8 | 1911 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1912 | process_event(cs, ev); |
69049cc8 | 1913 | spin_lock_irqsave(&cs->ev_lock, flags); |
14fa73a7 HL |
1914 | kfree(ev->ptr); |
1915 | ev->ptr = NULL; | |
1916 | if (was_busy && cs->cur_at_seq == SEQ_NONE) | |
1917 | check_flags = 1; | |
1918 | ||
1919 | head = (head + 1) % MAX_EVENTS; | |
69049cc8 | 1920 | cs->ev_head = head; |
14fa73a7 HL |
1921 | } |
1922 | ||
69049cc8 TS |
1923 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
1924 | ||
14fa73a7 | 1925 | if (i == 2 * MAX_EVENTS) { |
784d5858 TS |
1926 | dev_err(cs->dev, |
1927 | "infinite loop in process_events; aborting.\n"); | |
14fa73a7 HL |
1928 | } |
1929 | } | |
1930 | ||
1931 | /* tasklet scheduled on any event received from the Gigaset device | |
1932 | * parameter: | |
1933 | * data ISDN controller state structure | |
1934 | */ | |
1935 | void gigaset_handle_event(unsigned long data) | |
1936 | { | |
1937 | struct cardstate *cs = (struct cardstate *) data; | |
1938 | ||
14fa73a7 | 1939 | /* handle incoming data on control/common channel */ |
9d4bee2b | 1940 | if (cs->inbuf->head != cs->inbuf->tail) { |
784d5858 | 1941 | gig_dbg(DEBUG_INTR, "processing new data"); |
14fa73a7 HL |
1942 | cs->ops->handle_input(cs->inbuf); |
1943 | } | |
1944 | ||
1945 | process_events(cs); | |
1946 | } |