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 | ||
5d76fc21 | 16 | #include <linux/export.h> |
14fa73a7 HL |
17 | #include "gigaset.h" |
18 | ||
19 | /* ========================================================== */ | |
20 | /* bit masks for pending commands */ | |
917f5085 TS |
21 | #define PC_DIAL 0x001 |
22 | #define PC_HUP 0x002 | |
23 | #define PC_INIT 0x004 | |
24 | #define PC_DLE0 0x008 | |
25 | #define PC_DLE1 0x010 | |
26 | #define PC_SHUTDOWN 0x020 | |
27 | #define PC_ACCEPT 0x040 | |
28 | #define PC_CID 0x080 | |
29 | #define PC_NOCID 0x100 | |
30 | #define PC_CIDMODE 0x200 | |
31 | #define PC_UMMODE 0x400 | |
14fa73a7 HL |
32 | |
33 | /* types of modem responses */ | |
917f5085 TS |
34 | #define RT_NOTHING 0 |
35 | #define RT_ZSAU 1 | |
36 | #define RT_RING 2 | |
37 | #define RT_NUMBER 3 | |
38 | #define RT_STRING 4 | |
917f5085 | 39 | #define RT_ZCAU 6 |
14fa73a7 HL |
40 | |
41 | /* Possible ASCII responses */ | |
917f5085 | 42 | #define RSP_OK 0 |
2ed5e4ff | 43 | #define RSP_ERROR 1 |
917f5085 TS |
44 | #define RSP_ZGCI 3 |
45 | #define RSP_RING 4 | |
2ed5e4ff TS |
46 | #define RSP_ZVLS 5 |
47 | #define RSP_ZCAU 6 | |
48 | ||
49 | /* responses with values to store in at_state */ | |
50 | /* - numeric */ | |
917f5085 TS |
51 | #define RSP_VAR 100 |
52 | #define RSP_ZSAU (RSP_VAR + VAR_ZSAU) | |
53 | #define RSP_ZDLE (RSP_VAR + VAR_ZDLE) | |
917f5085 | 54 | #define RSP_ZCTP (RSP_VAR + VAR_ZCTP) |
2ed5e4ff | 55 | /* - string */ |
917f5085 TS |
56 | #define RSP_STR (RSP_VAR + VAR_NUM) |
57 | #define RSP_NMBR (RSP_STR + STR_NMBR) | |
58 | #define RSP_ZCPN (RSP_STR + STR_ZCPN) | |
59 | #define RSP_ZCON (RSP_STR + STR_ZCON) | |
60 | #define RSP_ZBC (RSP_STR + STR_ZBC) | |
61 | #define RSP_ZHLC (RSP_STR + STR_ZHLC) | |
2ed5e4ff | 62 | |
917f5085 | 63 | #define RSP_WRONG_CID -2 /* unknown cid in cmd */ |
917f5085 | 64 | #define RSP_INVAL -6 /* invalid response */ |
2ed5e4ff | 65 | #define RSP_NODEV -9 /* device not connected */ |
917f5085 TS |
66 | |
67 | #define RSP_NONE -19 | |
68 | #define RSP_STRING -20 | |
69 | #define RSP_NULL -21 | |
917f5085 TS |
70 | #define RSP_INIT -27 |
71 | #define RSP_ANY -26 | |
72 | #define RSP_LAST -28 | |
14fa73a7 HL |
73 | |
74 | /* actions for process_response */ | |
75 | #define ACT_NOTHING 0 | |
76 | #define ACT_SETDLE1 1 | |
77 | #define ACT_SETDLE0 2 | |
78 | #define ACT_FAILINIT 3 | |
79 | #define ACT_HUPMODEM 4 | |
80 | #define ACT_CONFIGMODE 5 | |
81 | #define ACT_INIT 6 | |
82 | #define ACT_DLE0 7 | |
83 | #define ACT_DLE1 8 | |
84 | #define ACT_FAILDLE0 9 | |
85 | #define ACT_FAILDLE1 10 | |
86 | #define ACT_RING 11 | |
87 | #define ACT_CID 12 | |
88 | #define ACT_FAILCID 13 | |
89 | #define ACT_SDOWN 14 | |
90 | #define ACT_FAILSDOWN 15 | |
91 | #define ACT_DEBUG 16 | |
92 | #define ACT_WARN 17 | |
93 | #define ACT_DIALING 18 | |
94 | #define ACT_ABORTDIAL 19 | |
95 | #define ACT_DISCONNECT 20 | |
96 | #define ACT_CONNECT 21 | |
97 | #define ACT_REMOTEREJECT 22 | |
917f5085 | 98 | #define ACT_CONNTIMEOUT 23 |
14fa73a7 HL |
99 | #define ACT_REMOTEHUP 24 |
100 | #define ACT_ABORTHUP 25 | |
101 | #define ACT_ICALL 26 | |
102 | #define ACT_ACCEPTED 27 | |
103 | #define ACT_ABORTACCEPT 28 | |
104 | #define ACT_TIMEOUT 29 | |
105 | #define ACT_GETSTRING 30 | |
106 | #define ACT_SETVER 31 | |
107 | #define ACT_FAILVER 32 | |
108 | #define ACT_GOTVER 33 | |
109 | #define ACT_TEST 34 | |
110 | #define ACT_ERROR 35 | |
111 | #define ACT_ABORTCID 36 | |
112 | #define ACT_ZCAU 37 | |
917f5085 TS |
113 | #define ACT_NOTIFY_BC_DOWN 38 |
114 | #define ACT_NOTIFY_BC_UP 39 | |
115 | #define ACT_DIAL 40 | |
116 | #define ACT_ACCEPT 41 | |
917f5085 TS |
117 | #define ACT_HUP 43 |
118 | #define ACT_IF_LOCK 44 | |
119 | #define ACT_START 45 | |
120 | #define ACT_STOP 46 | |
121 | #define ACT_FAKEDLE0 47 | |
122 | #define ACT_FAKEHUP 48 | |
123 | #define ACT_FAKESDOWN 49 | |
124 | #define ACT_SHUTDOWN 50 | |
125 | #define ACT_PROC_CIDMODE 51 | |
126 | #define ACT_UMODESET 52 | |
127 | #define ACT_FAILUMODE 53 | |
128 | #define ACT_CMODESET 54 | |
129 | #define ACT_FAILCMODE 55 | |
130 | #define ACT_IF_VER 56 | |
14fa73a7 HL |
131 | #define ACT_CMD 100 |
132 | ||
133 | /* at command sequences */ | |
917f5085 TS |
134 | #define SEQ_NONE 0 |
135 | #define SEQ_INIT 100 | |
136 | #define SEQ_DLE0 200 | |
137 | #define SEQ_DLE1 250 | |
138 | #define SEQ_CID 300 | |
139 | #define SEQ_NOCID 350 | |
140 | #define SEQ_HUP 400 | |
141 | #define SEQ_DIAL 600 | |
142 | #define SEQ_ACCEPT 720 | |
143 | #define SEQ_SHUTDOWN 500 | |
144 | #define SEQ_CIDMODE 10 | |
145 | #define SEQ_UMMODE 11 | |
14fa73a7 HL |
146 | |
147 | ||
c35a87ff TS |
148 | /* 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), |
149 | * 400: hup, 500: reset, 600: dial, 700: ring */ | |
528efc6a | 150 | struct reply_t gigaset_tab_nocid[] = |
14fa73a7 | 151 | { |
c35a87ff TS |
152 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, |
153 | * action, command */ | |
154 | ||
155 | /* initialize device, set cid mode if possible */ | |
475be4d8 | 156 | {RSP_INIT, -1, -1, SEQ_INIT, 100, 1, {ACT_TIMEOUT} }, |
c35a87ff | 157 | |
475be4d8 JP |
158 | {EV_TIMEOUT, 100, 100, -1, 101, 3, {0}, "Z\r"}, |
159 | {RSP_OK, 101, 103, -1, 120, 5, {ACT_GETSTRING}, | |
160 | "+GMR\r"}, | |
c35a87ff | 161 | |
475be4d8 JP |
162 | {EV_TIMEOUT, 101, 101, -1, 102, 5, {0}, "Z\r"}, |
163 | {RSP_ERROR, 101, 101, -1, 102, 5, {0}, "Z\r"}, | |
c35a87ff | 164 | |
475be4d8 JP |
165 | {EV_TIMEOUT, 102, 102, -1, 108, 5, {ACT_SETDLE1}, |
166 | "^SDLE=0\r"}, | |
167 | {RSP_OK, 108, 108, -1, 104, -1}, | |
168 | {RSP_ZDLE, 104, 104, 0, 103, 5, {0}, "Z\r"}, | |
169 | {EV_TIMEOUT, 104, 104, -1, 0, 0, {ACT_FAILINIT} }, | |
170 | {RSP_ERROR, 108, 108, -1, 0, 0, {ACT_FAILINIT} }, | |
c35a87ff | 171 | |
475be4d8 JP |
172 | {EV_TIMEOUT, 108, 108, -1, 105, 2, {ACT_SETDLE0, |
173 | ACT_HUPMODEM, | |
174 | ACT_TIMEOUT} }, | |
175 | {EV_TIMEOUT, 105, 105, -1, 103, 5, {0}, "Z\r"}, | |
c35a87ff | 176 | |
475be4d8 JP |
177 | {RSP_ERROR, 102, 102, -1, 107, 5, {0}, "^GETPRE\r"}, |
178 | {RSP_OK, 107, 107, -1, 0, 0, {ACT_CONFIGMODE} }, | |
179 | {RSP_ERROR, 107, 107, -1, 0, 0, {ACT_FAILINIT} }, | |
180 | {EV_TIMEOUT, 107, 107, -1, 0, 0, {ACT_FAILINIT} }, | |
c35a87ff | 181 | |
475be4d8 JP |
182 | {RSP_ERROR, 103, 103, -1, 0, 0, {ACT_FAILINIT} }, |
183 | {EV_TIMEOUT, 103, 103, -1, 0, 0, {ACT_FAILINIT} }, | |
c35a87ff | 184 | |
475be4d8 | 185 | {RSP_STRING, 120, 120, -1, 121, -1, {ACT_SETVER} }, |
c35a87ff | 186 | |
475be4d8 JP |
187 | {EV_TIMEOUT, 120, 121, -1, 0, 0, {ACT_FAILVER, |
188 | ACT_INIT} }, | |
189 | {RSP_ERROR, 120, 121, -1, 0, 0, {ACT_FAILVER, | |
190 | ACT_INIT} }, | |
191 | {RSP_OK, 121, 121, -1, 0, 0, {ACT_GOTVER, | |
192 | ACT_INIT} }, | |
c35a87ff TS |
193 | |
194 | /* leave dle mode */ | |
475be4d8 JP |
195 | {RSP_INIT, 0, 0, SEQ_DLE0, 201, 5, {0}, "^SDLE=0\r"}, |
196 | {RSP_OK, 201, 201, -1, 202, -1}, | |
197 | {RSP_ZDLE, 202, 202, 0, 0, 0, {ACT_DLE0} }, | |
198 | {RSP_NODEV, 200, 249, -1, 0, 0, {ACT_FAKEDLE0} }, | |
199 | {RSP_ERROR, 200, 249, -1, 0, 0, {ACT_FAILDLE0} }, | |
200 | {EV_TIMEOUT, 200, 249, -1, 0, 0, {ACT_FAILDLE0} }, | |
c35a87ff TS |
201 | |
202 | /* enter dle mode */ | |
475be4d8 JP |
203 | {RSP_INIT, 0, 0, SEQ_DLE1, 251, 5, {0}, "^SDLE=1\r"}, |
204 | {RSP_OK, 251, 251, -1, 252, -1}, | |
205 | {RSP_ZDLE, 252, 252, 1, 0, 0, {ACT_DLE1} }, | |
206 | {RSP_ERROR, 250, 299, -1, 0, 0, {ACT_FAILDLE1} }, | |
207 | {EV_TIMEOUT, 250, 299, -1, 0, 0, {ACT_FAILDLE1} }, | |
c35a87ff TS |
208 | |
209 | /* incoming call */ | |
475be4d8 | 210 | {RSP_RING, -1, -1, -1, -1, -1, {ACT_RING} }, |
c35a87ff TS |
211 | |
212 | /* get cid */ | |
475be4d8 JP |
213 | {RSP_INIT, 0, 0, SEQ_CID, 301, 5, {0}, "^SGCI?\r"}, |
214 | {RSP_OK, 301, 301, -1, 302, -1}, | |
215 | {RSP_ZGCI, 302, 302, -1, 0, 0, {ACT_CID} }, | |
216 | {RSP_ERROR, 301, 349, -1, 0, 0, {ACT_FAILCID} }, | |
217 | {EV_TIMEOUT, 301, 349, -1, 0, 0, {ACT_FAILCID} }, | |
c35a87ff TS |
218 | |
219 | /* enter cid mode */ | |
475be4d8 JP |
220 | {RSP_INIT, 0, 0, SEQ_CIDMODE, 150, 5, {0}, "^SGCI=1\r"}, |
221 | {RSP_OK, 150, 150, -1, 0, 0, {ACT_CMODESET} }, | |
222 | {RSP_ERROR, 150, 150, -1, 0, 0, {ACT_FAILCMODE} }, | |
223 | {EV_TIMEOUT, 150, 150, -1, 0, 0, {ACT_FAILCMODE} }, | |
c35a87ff TS |
224 | |
225 | /* leave cid mode */ | |
475be4d8 JP |
226 | {RSP_INIT, 0, 0, SEQ_UMMODE, 160, 5, {0}, "Z\r"}, |
227 | {RSP_OK, 160, 160, -1, 0, 0, {ACT_UMODESET} }, | |
228 | {RSP_ERROR, 160, 160, -1, 0, 0, {ACT_FAILUMODE} }, | |
229 | {EV_TIMEOUT, 160, 160, -1, 0, 0, {ACT_FAILUMODE} }, | |
c35a87ff TS |
230 | |
231 | /* abort getting cid */ | |
475be4d8 | 232 | {RSP_INIT, 0, 0, SEQ_NOCID, 0, 0, {ACT_ABORTCID} }, |
c35a87ff TS |
233 | |
234 | /* reset */ | |
475be4d8 JP |
235 | {RSP_INIT, 0, 0, SEQ_SHUTDOWN, 504, 5, {0}, "Z\r"}, |
236 | {RSP_OK, 504, 504, -1, 0, 0, {ACT_SDOWN} }, | |
237 | {RSP_ERROR, 501, 599, -1, 0, 0, {ACT_FAILSDOWN} }, | |
238 | {EV_TIMEOUT, 501, 599, -1, 0, 0, {ACT_FAILSDOWN} }, | |
239 | {RSP_NODEV, 501, 599, -1, 0, 0, {ACT_FAKESDOWN} }, | |
240 | ||
241 | {EV_PROC_CIDMODE, -1, -1, -1, -1, -1, {ACT_PROC_CIDMODE} }, | |
242 | {EV_IF_LOCK, -1, -1, -1, -1, -1, {ACT_IF_LOCK} }, | |
243 | {EV_IF_VER, -1, -1, -1, -1, -1, {ACT_IF_VER} }, | |
244 | {EV_START, -1, -1, -1, -1, -1, {ACT_START} }, | |
245 | {EV_STOP, -1, -1, -1, -1, -1, {ACT_STOP} }, | |
246 | {EV_SHUTDOWN, -1, -1, -1, -1, -1, {ACT_SHUTDOWN} }, | |
c35a87ff TS |
247 | |
248 | /* misc. */ | |
475be4d8 JP |
249 | {RSP_ERROR, -1, -1, -1, -1, -1, {ACT_ERROR} }, |
250 | {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, | |
251 | {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
252 | {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, | |
253 | {RSP_LAST} | |
14fa73a7 HL |
254 | }; |
255 | ||
c35a87ff TS |
256 | /* 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, |
257 | * 400: hup, 750: accepted icall */ | |
528efc6a | 258 | struct reply_t gigaset_tab_cid[] = |
14fa73a7 | 259 | { |
c35a87ff TS |
260 | /* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, |
261 | * action, command */ | |
262 | ||
263 | /* dial */ | |
475be4d8 JP |
264 | {EV_DIAL, -1, -1, -1, -1, -1, {ACT_DIAL} }, |
265 | {RSP_INIT, 0, 0, SEQ_DIAL, 601, 5, {ACT_CMD + AT_BC} }, | |
266 | {RSP_OK, 601, 601, -1, 603, 5, {ACT_CMD + AT_PROTO} }, | |
267 | {RSP_OK, 603, 603, -1, 604, 5, {ACT_CMD + AT_TYPE} }, | |
268 | {RSP_OK, 604, 604, -1, 605, 5, {ACT_CMD + AT_MSN} }, | |
269 | {RSP_NULL, 605, 605, -1, 606, 5, {ACT_CMD + AT_CLIP} }, | |
270 | {RSP_OK, 605, 605, -1, 606, 5, {ACT_CMD + AT_CLIP} }, | |
271 | {RSP_NULL, 606, 606, -1, 607, 5, {ACT_CMD + AT_ISO} }, | |
272 | {RSP_OK, 606, 606, -1, 607, 5, {ACT_CMD + AT_ISO} }, | |
273 | {RSP_OK, 607, 607, -1, 608, 5, {0}, "+VLS=17\r"}, | |
274 | {RSP_OK, 608, 608, -1, 609, -1}, | |
275 | {RSP_ZSAU, 609, 609, ZSAU_PROCEEDING, 610, 5, {ACT_CMD + AT_DIAL} }, | |
276 | {RSP_OK, 610, 610, -1, 650, 0, {ACT_DIALING} }, | |
277 | ||
278 | {RSP_ERROR, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} }, | |
279 | {EV_TIMEOUT, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} }, | |
c35a87ff TS |
280 | |
281 | /* optional dialing responses */ | |
475be4d8 JP |
282 | {EV_BC_OPEN, 650, 650, -1, 651, -1}, |
283 | {RSP_ZVLS, 609, 651, 17, -1, -1, {ACT_DEBUG} }, | |
284 | {RSP_ZCTP, 610, 651, -1, -1, -1, {ACT_DEBUG} }, | |
285 | {RSP_ZCPN, 610, 651, -1, -1, -1, {ACT_DEBUG} }, | |
286 | {RSP_ZSAU, 650, 651, ZSAU_CALL_DELIVERED, -1, -1, {ACT_DEBUG} }, | |
c35a87ff TS |
287 | |
288 | /* connect */ | |
475be4d8 JP |
289 | {RSP_ZSAU, 650, 650, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT} }, |
290 | {RSP_ZSAU, 651, 651, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT, | |
291 | ACT_NOTIFY_BC_UP} }, | |
292 | {RSP_ZSAU, 750, 750, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT} }, | |
293 | {RSP_ZSAU, 751, 751, ZSAU_ACTIVE, 800, -1, {ACT_CONNECT, | |
294 | ACT_NOTIFY_BC_UP} }, | |
295 | {EV_BC_OPEN, 800, 800, -1, 800, -1, {ACT_NOTIFY_BC_UP} }, | |
c35a87ff TS |
296 | |
297 | /* remote hangup */ | |
475be4d8 JP |
298 | {RSP_ZSAU, 650, 651, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT} }, |
299 | {RSP_ZSAU, 750, 751, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP} }, | |
300 | {RSP_ZSAU, 800, 800, ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP} }, | |
c35a87ff TS |
301 | |
302 | /* hangup */ | |
475be4d8 JP |
303 | {EV_HUP, -1, -1, -1, -1, -1, {ACT_HUP} }, |
304 | {RSP_INIT, -1, -1, SEQ_HUP, 401, 5, {0}, "+VLS=0\r"}, | |
305 | {RSP_OK, 401, 401, -1, 402, 5}, | |
306 | {RSP_ZVLS, 402, 402, 0, 403, 5}, | |
307 | {RSP_ZSAU, 403, 403, ZSAU_DISCONNECT_REQ, -1, -1, {ACT_DEBUG} }, | |
308 | {RSP_ZSAU, 403, 403, ZSAU_NULL, 0, 0, {ACT_DISCONNECT} }, | |
309 | {RSP_NODEV, 401, 403, -1, 0, 0, {ACT_FAKEHUP} }, | |
310 | {RSP_ERROR, 401, 401, -1, 0, 0, {ACT_ABORTHUP} }, | |
311 | {EV_TIMEOUT, 401, 403, -1, 0, 0, {ACT_ABORTHUP} }, | |
312 | ||
313 | {EV_BC_CLOSED, 0, 0, -1, 0, -1, {ACT_NOTIFY_BC_DOWN} }, | |
c35a87ff TS |
314 | |
315 | /* ring */ | |
475be4d8 JP |
316 | {RSP_ZBC, 700, 700, -1, -1, -1, {0} }, |
317 | {RSP_ZHLC, 700, 700, -1, -1, -1, {0} }, | |
318 | {RSP_NMBR, 700, 700, -1, -1, -1, {0} }, | |
319 | {RSP_ZCPN, 700, 700, -1, -1, -1, {0} }, | |
320 | {RSP_ZCTP, 700, 700, -1, -1, -1, {0} }, | |
321 | {EV_TIMEOUT, 700, 700, -1, 720, 720, {ACT_ICALL} }, | |
322 | {EV_BC_CLOSED, 720, 720, -1, 0, -1, {ACT_NOTIFY_BC_DOWN} }, | |
c35a87ff TS |
323 | |
324 | /*accept icall*/ | |
475be4d8 JP |
325 | {EV_ACCEPT, -1, -1, -1, -1, -1, {ACT_ACCEPT} }, |
326 | {RSP_INIT, 720, 720, SEQ_ACCEPT, 721, 5, {ACT_CMD + AT_PROTO} }, | |
327 | {RSP_OK, 721, 721, -1, 722, 5, {ACT_CMD + AT_ISO} }, | |
328 | {RSP_OK, 722, 722, -1, 723, 5, {0}, "+VLS=17\r"}, | |
329 | {RSP_OK, 723, 723, -1, 724, 5, {0} }, | |
330 | {RSP_ZVLS, 724, 724, 17, 750, 50, {ACT_ACCEPTED} }, | |
331 | {RSP_ERROR, 721, 729, -1, 0, 0, {ACT_ABORTACCEPT} }, | |
332 | {EV_TIMEOUT, 721, 729, -1, 0, 0, {ACT_ABORTACCEPT} }, | |
333 | {RSP_ZSAU, 700, 729, ZSAU_NULL, 0, 0, {ACT_ABORTACCEPT} }, | |
334 | {RSP_ZSAU, 700, 729, ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT} }, | |
335 | {RSP_ZSAU, 700, 729, ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT} }, | |
336 | ||
337 | {EV_BC_OPEN, 750, 750, -1, 751, -1}, | |
338 | {EV_TIMEOUT, 750, 751, -1, 0, 0, {ACT_CONNTIMEOUT} }, | |
c35a87ff TS |
339 | |
340 | /* B channel closed (general case) */ | |
475be4d8 | 341 | {EV_BC_CLOSED, -1, -1, -1, -1, -1, {ACT_NOTIFY_BC_DOWN} }, |
c35a87ff TS |
342 | |
343 | /* misc. */ | |
475be4d8 JP |
344 | {RSP_ZCON, -1, -1, -1, -1, -1, {ACT_DEBUG} }, |
345 | {RSP_ZCAU, -1, -1, -1, -1, -1, {ACT_ZCAU} }, | |
346 | {RSP_NONE, -1, -1, -1, -1, -1, {ACT_DEBUG} }, | |
347 | {RSP_ANY, -1, -1, -1, -1, -1, {ACT_WARN} }, | |
348 | {RSP_LAST} | |
14fa73a7 HL |
349 | }; |
350 | ||
351 | ||
50e4fe91 TS |
352 | static const struct resp_type_t { |
353 | unsigned char *response; | |
354 | int resp_code; | |
355 | int type; | |
356 | } resp_type[] = | |
14fa73a7 | 357 | { |
917f5085 TS |
358 | {"OK", RSP_OK, RT_NOTHING}, |
359 | {"ERROR", RSP_ERROR, RT_NOTHING}, | |
360 | {"ZSAU", RSP_ZSAU, RT_ZSAU}, | |
361 | {"ZCAU", RSP_ZCAU, RT_ZCAU}, | |
362 | {"RING", RSP_RING, RT_RING}, | |
363 | {"ZGCI", RSP_ZGCI, RT_NUMBER}, | |
364 | {"ZVLS", RSP_ZVLS, RT_NUMBER}, | |
365 | {"ZCTP", RSP_ZCTP, RT_NUMBER}, | |
366 | {"ZDLE", RSP_ZDLE, RT_NUMBER}, | |
917f5085 TS |
367 | {"ZHLC", RSP_ZHLC, RT_STRING}, |
368 | {"ZBC", RSP_ZBC, RT_STRING}, | |
369 | {"NMBR", RSP_NMBR, RT_STRING}, | |
370 | {"ZCPN", RSP_ZCPN, RT_STRING}, | |
371 | {"ZCON", RSP_ZCON, RT_STRING}, | |
c35a87ff | 372 | {NULL, 0, 0} |
14fa73a7 HL |
373 | }; |
374 | ||
50e4fe91 TS |
375 | static const struct zsau_resp_t { |
376 | unsigned char *str; | |
377 | int code; | |
378 | } zsau_resp[] = | |
379 | { | |
380 | {"OUTGOING_CALL_PROCEEDING", ZSAU_OUTGOING_CALL_PROCEEDING}, | |
381 | {"CALL_DELIVERED", ZSAU_CALL_DELIVERED}, | |
382 | {"ACTIVE", ZSAU_ACTIVE}, | |
383 | {"DISCONNECT_IND", ZSAU_DISCONNECT_IND}, | |
384 | {"NULL", ZSAU_NULL}, | |
385 | {"DISCONNECT_REQ", ZSAU_DISCONNECT_REQ}, | |
386 | {NULL, ZSAU_UNKNOWN} | |
387 | }; | |
388 | ||
14fa73a7 HL |
389 | /* retrieve CID from parsed response |
390 | * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535 | |
391 | */ | |
392 | static int cid_of_response(char *s) | |
393 | { | |
19eccc2b | 394 | int cid; |
c9741380 | 395 | int rc; |
14fa73a7 HL |
396 | |
397 | if (s[-1] != ';') | |
398 | return 0; /* no CID separator */ | |
19eccc2b | 399 | rc = kstrtoint(s, 10, &cid); |
c9741380 | 400 | if (rc) |
14fa73a7 HL |
401 | return 0; /* CID not numeric */ |
402 | if (cid < 1 || cid > 65535) | |
403 | return -1; /* CID out of range */ | |
404 | return cid; | |
14fa73a7 HL |
405 | } |
406 | ||
1cec9727 TS |
407 | /** |
408 | * gigaset_handle_modem_response() - process received modem response | |
409 | * @cs: device descriptor structure. | |
410 | * | |
411 | * Called by asyncdata/isocdata if a block of data received from the | |
412 | * device must be processed as a modem command response. The data is | |
413 | * already in the cs structure. | |
14fa73a7 HL |
414 | */ |
415 | void gigaset_handle_modem_response(struct cardstate *cs) | |
416 | { | |
417 | unsigned char *argv[MAX_REC_PARAMS + 1]; | |
418 | int params; | |
419 | int i, j; | |
35dc8457 | 420 | const struct resp_type_t *rt; |
50e4fe91 | 421 | const struct zsau_resp_t *zr; |
14fa73a7 HL |
422 | int curarg; |
423 | unsigned long flags; | |
424 | unsigned next, tail, head; | |
425 | struct event_t *event; | |
426 | int resp_code; | |
427 | int param_type; | |
428 | int abort; | |
429 | size_t len; | |
430 | int cid; | |
431 | int rawstring; | |
432 | ||
14fa73a7 HL |
433 | len = cs->cbytes; |
434 | if (!len) { | |
435 | /* ignore additional LFs/CRs (M10x config mode or cx100) */ | |
784d5858 | 436 | gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]); |
14fa73a7 HL |
437 | return; |
438 | } | |
439 | cs->respdata[len] = 0; | |
14fa73a7 HL |
440 | argv[0] = cs->respdata; |
441 | params = 1; | |
442 | if (cs->at_state.getstring) { | |
443 | /* getstring only allowed without cid at the moment */ | |
444 | cs->at_state.getstring = 0; | |
445 | rawstring = 1; | |
446 | cid = 0; | |
447 | } else { | |
448 | /* parse line */ | |
449 | for (i = 0; i < len; i++) | |
450 | switch (cs->respdata[i]) { | |
451 | case ';': | |
452 | case ',': | |
453 | case '=': | |
454 | if (params > MAX_REC_PARAMS) { | |
784d5858 | 455 | dev_warn(cs->dev, |
475be4d8 | 456 | "too many parameters in response\n"); |
14fa73a7 HL |
457 | /* need last parameter (might be CID) */ |
458 | params--; | |
459 | } | |
460 | argv[params++] = cs->respdata + i + 1; | |
461 | } | |
462 | ||
463 | rawstring = 0; | |
475be4d8 | 464 | cid = params > 1 ? cid_of_response(argv[params - 1]) : 0; |
14fa73a7 HL |
465 | if (cid < 0) { |
466 | gigaset_add_event(cs, &cs->at_state, RSP_INVAL, | |
784d5858 | 467 | NULL, 0, NULL); |
14fa73a7 HL |
468 | return; |
469 | } | |
470 | ||
471 | for (j = 1; j < params; ++j) | |
472 | argv[j][-1] = 0; | |
473 | ||
1528b18f | 474 | gig_dbg(DEBUG_EVENT, "CMD received: %s", argv[0]); |
14fa73a7 HL |
475 | if (cid) { |
476 | --params; | |
1528b18f | 477 | gig_dbg(DEBUG_EVENT, "CID: %s", argv[params]); |
14fa73a7 | 478 | } |
1528b18f | 479 | gig_dbg(DEBUG_EVENT, "available params: %d", params - 1); |
14fa73a7 | 480 | for (j = 1; j < params; j++) |
1528b18f | 481 | gig_dbg(DEBUG_EVENT, "param %d: %s", j, argv[j]); |
14fa73a7 HL |
482 | } |
483 | ||
484 | spin_lock_irqsave(&cs->ev_lock, flags); | |
69049cc8 TS |
485 | head = cs->ev_head; |
486 | tail = cs->ev_tail; | |
14fa73a7 HL |
487 | |
488 | abort = 1; | |
489 | curarg = 0; | |
490 | while (curarg < params) { | |
491 | next = (tail + 1) % MAX_EVENTS; | |
492 | if (unlikely(next == head)) { | |
784d5858 | 493 | dev_err(cs->dev, "event queue full\n"); |
14fa73a7 HL |
494 | break; |
495 | } | |
496 | ||
497 | event = cs->events + tail; | |
498 | event->at_state = NULL; | |
499 | event->cid = cid; | |
500 | event->ptr = NULL; | |
501 | event->arg = NULL; | |
502 | tail = next; | |
503 | ||
504 | if (rawstring) { | |
505 | resp_code = RSP_STRING; | |
506 | param_type = RT_STRING; | |
507 | } else { | |
508 | for (rt = resp_type; rt->response; ++rt) | |
509 | if (!strcmp(argv[curarg], rt->response)) | |
510 | break; | |
511 | ||
512 | if (!rt->response) { | |
2ed5e4ff TS |
513 | event->type = RSP_NONE; |
514 | gig_dbg(DEBUG_EVENT, | |
515 | "unknown modem response: '%s'\n", | |
516 | argv[curarg]); | |
14fa73a7 HL |
517 | break; |
518 | } | |
519 | ||
520 | resp_code = rt->resp_code; | |
521 | param_type = rt->type; | |
522 | ++curarg; | |
523 | } | |
524 | ||
525 | event->type = resp_code; | |
526 | ||
527 | switch (param_type) { | |
528 | case RT_NOTHING: | |
529 | break; | |
530 | case RT_RING: | |
531 | if (!cid) { | |
784d5858 TS |
532 | dev_err(cs->dev, |
533 | "received RING without CID!\n"); | |
14fa73a7 HL |
534 | event->type = RSP_INVAL; |
535 | abort = 1; | |
536 | } else { | |
537 | event->cid = 0; | |
538 | event->parameter = cid; | |
539 | abort = 0; | |
540 | } | |
541 | break; | |
542 | case RT_ZSAU: | |
543 | if (curarg >= params) { | |
544 | event->parameter = ZSAU_NONE; | |
545 | break; | |
546 | } | |
50e4fe91 TS |
547 | for (zr = zsau_resp; zr->str; ++zr) |
548 | if (!strcmp(argv[curarg], zr->str)) | |
549 | break; | |
550 | event->parameter = zr->code; | |
551 | if (!zr->str) | |
784d5858 | 552 | dev_warn(cs->dev, |
475be4d8 | 553 | "%s: unknown parameter %s after ZSAU\n", |
784d5858 | 554 | __func__, argv[curarg]); |
14fa73a7 HL |
555 | ++curarg; |
556 | break; | |
557 | case RT_STRING: | |
558 | if (curarg < params) { | |
784d5858 TS |
559 | event->ptr = kstrdup(argv[curarg], GFP_ATOMIC); |
560 | if (!event->ptr) | |
561 | dev_err(cs->dev, "out of memory\n"); | |
14fa73a7 HL |
562 | ++curarg; |
563 | } | |
1528b18f | 564 | gig_dbg(DEBUG_EVENT, "string==%s", |
236b87c2 | 565 | event->ptr ? (char *) event->ptr : "NULL"); |
14fa73a7 HL |
566 | break; |
567 | case RT_ZCAU: | |
568 | event->parameter = -1; | |
569 | if (curarg + 1 < params) { | |
19eccc2b | 570 | u8 type, value; |
c9741380 | 571 | |
19eccc2b AD |
572 | i = kstrtou8(argv[curarg++], 16, &type); |
573 | j = kstrtou8(argv[curarg++], 16, &value); | |
574 | if (i == 0 && j == 0) | |
c9741380 | 575 | event->parameter = (type << 8) | value; |
14fa73a7 HL |
576 | } else |
577 | curarg = params - 1; | |
578 | break; | |
579 | case RT_NUMBER: | |
19eccc2b AD |
580 | if (curarg >= params || |
581 | kstrtoint(argv[curarg++], 10, &event->parameter)) | |
582 | event->parameter = -1; | |
1528b18f | 583 | gig_dbg(DEBUG_EVENT, "parameter==%d", event->parameter); |
14fa73a7 HL |
584 | break; |
585 | } | |
586 | ||
587 | if (resp_code == RSP_ZDLE) | |
588 | cs->dle = event->parameter; | |
589 | ||
590 | if (abort) | |
591 | break; | |
592 | } | |
593 | ||
69049cc8 | 594 | cs->ev_tail = tail; |
14fa73a7 HL |
595 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
596 | ||
597 | if (curarg != params) | |
1528b18f | 598 | gig_dbg(DEBUG_EVENT, |
784d5858 TS |
599 | "invalid number of processed parameters: %d/%d", |
600 | curarg, params); | |
14fa73a7 HL |
601 | } |
602 | EXPORT_SYMBOL_GPL(gigaset_handle_modem_response); | |
603 | ||
604 | /* disconnect | |
605 | * process closing of connection associated with given AT state structure | |
606 | */ | |
607 | static void disconnect(struct at_state_t **at_state_p) | |
608 | { | |
609 | unsigned long flags; | |
d48c7784 TS |
610 | struct bc_state *bcs = (*at_state_p)->bcs; |
611 | struct cardstate *cs = (*at_state_p)->cs; | |
14fa73a7 | 612 | |
69049cc8 TS |
613 | spin_lock_irqsave(&cs->lock, flags); |
614 | ++(*at_state_p)->seq_index; | |
14fa73a7 HL |
615 | |
616 | /* revert to selected idle mode */ | |
69049cc8 | 617 | if (!cs->cidmode) { |
14fa73a7 | 618 | cs->at_state.pending_commands |= PC_UMMODE; |
1528b18f | 619 | gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE"); |
9d4bee2b | 620 | cs->commands_pending = 1; |
14fa73a7 | 621 | } |
69049cc8 | 622 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
623 | |
624 | if (bcs) { | |
625 | /* B channel assigned: invoke hardware specific handler */ | |
626 | cs->ops->close_bchannel(bcs); | |
3305adff TS |
627 | /* notify LL */ |
628 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
629 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
088ec0cc | 630 | gigaset_isdn_hupD(bcs); |
3305adff | 631 | } |
14fa73a7 HL |
632 | } else { |
633 | /* no B channel assigned: just deallocate */ | |
634 | spin_lock_irqsave(&cs->lock, flags); | |
635 | list_del(&(*at_state_p)->list); | |
636 | kfree(*at_state_p); | |
637 | *at_state_p = NULL; | |
638 | spin_unlock_irqrestore(&cs->lock, flags); | |
639 | } | |
640 | } | |
641 | ||
642 | /* get_free_channel | |
643 | * get a free AT state structure: either one of those associated with the | |
644 | * B channels of the Gigaset device, or if none of those is available, | |
645 | * a newly allocated one with bcs=NULL | |
646 | * The structure should be freed by calling disconnect() after use. | |
647 | */ | |
648 | static inline struct at_state_t *get_free_channel(struct cardstate *cs, | |
784d5858 | 649 | int cid) |
14fa73a7 | 650 | /* cids: >0: siemens-cid |
475be4d8 JP |
651 | 0: without cid |
652 | -1: no cid assigned yet | |
14fa73a7 HL |
653 | */ |
654 | { | |
655 | unsigned long flags; | |
656 | int i; | |
657 | struct at_state_t *ret; | |
658 | ||
659 | for (i = 0; i < cs->channels; ++i) | |
660 | if (gigaset_get_channel(cs->bcs + i)) { | |
661 | ret = &cs->bcs[i].at_state; | |
662 | ret->cid = cid; | |
663 | return ret; | |
664 | } | |
665 | ||
666 | spin_lock_irqsave(&cs->lock, flags); | |
667 | ret = kmalloc(sizeof(struct at_state_t), GFP_ATOMIC); | |
668 | if (ret) { | |
669 | gigaset_at_init(ret, NULL, cs, cid); | |
670 | list_add(&ret->list, &cs->temp_at_states); | |
671 | } | |
672 | spin_unlock_irqrestore(&cs->lock, flags); | |
673 | return ret; | |
674 | } | |
675 | ||
676 | static void init_failed(struct cardstate *cs, int mode) | |
677 | { | |
678 | int i; | |
679 | struct at_state_t *at_state; | |
680 | ||
681 | cs->at_state.pending_commands &= ~PC_INIT; | |
9d4bee2b TS |
682 | cs->mode = mode; |
683 | cs->mstate = MS_UNINITIALIZED; | |
14fa73a7 HL |
684 | gigaset_free_channels(cs); |
685 | for (i = 0; i < cs->channels; ++i) { | |
686 | at_state = &cs->bcs[i].at_state; | |
687 | if (at_state->pending_commands & PC_CID) { | |
688 | at_state->pending_commands &= ~PC_CID; | |
689 | at_state->pending_commands |= PC_NOCID; | |
9d4bee2b | 690 | cs->commands_pending = 1; |
14fa73a7 HL |
691 | } |
692 | } | |
693 | } | |
694 | ||
695 | static void schedule_init(struct cardstate *cs, int state) | |
696 | { | |
697 | if (cs->at_state.pending_commands & PC_INIT) { | |
1528b18f | 698 | gig_dbg(DEBUG_EVENT, "not scheduling PC_INIT again"); |
14fa73a7 HL |
699 | return; |
700 | } | |
9d4bee2b TS |
701 | cs->mstate = state; |
702 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
703 | gigaset_block_channels(cs); |
704 | cs->at_state.pending_commands |= PC_INIT; | |
1528b18f | 705 | gig_dbg(DEBUG_EVENT, "Scheduling PC_INIT"); |
9d4bee2b | 706 | cs->commands_pending = 1; |
14fa73a7 HL |
707 | } |
708 | ||
917f5085 TS |
709 | /* Add "AT" to a command, add the cid, dle encode it, send the result to the |
710 | hardware. */ | |
14fa73a7 | 711 | static void send_command(struct cardstate *cs, const char *cmd, int cid, |
784d5858 | 712 | int dle, gfp_t kmallocflags) |
14fa73a7 | 713 | { |
e3628dd1 TS |
714 | struct cmdbuf_t *cb; |
715 | size_t buflen; | |
14fa73a7 | 716 | |
e3628dd1 TS |
717 | buflen = strlen(cmd) + 12; /* DLE ( A T 1 2 3 4 5 <cmd> DLE ) \0 */ |
718 | cb = kmalloc(sizeof(struct cmdbuf_t) + buflen, kmallocflags); | |
719 | if (!cb) { | |
720 | dev_err(cs->dev, "%s: out of memory\n", __func__); | |
784d5858 TS |
721 | return; |
722 | } | |
e3628dd1 TS |
723 | if (cid > 0 && cid <= 65535) |
724 | cb->len = snprintf(cb->buf, buflen, | |
475be4d8 JP |
725 | dle ? "\020(AT%d%s\020)" : "AT%d%s", |
726 | cid, cmd); | |
e3628dd1 TS |
727 | else |
728 | cb->len = snprintf(cb->buf, buflen, | |
475be4d8 JP |
729 | dle ? "\020(AT%s\020)" : "AT%s", |
730 | cmd); | |
e3628dd1 TS |
731 | cb->offset = 0; |
732 | cb->next = NULL; | |
733 | cb->wake_tasklet = NULL; | |
734 | cs->ops->write_cmd(cs, cb); | |
14fa73a7 HL |
735 | } |
736 | ||
737 | static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid) | |
738 | { | |
739 | struct at_state_t *at_state; | |
740 | int i; | |
741 | unsigned long flags; | |
742 | ||
743 | if (cid == 0) | |
744 | return &cs->at_state; | |
745 | ||
746 | for (i = 0; i < cs->channels; ++i) | |
747 | if (cid == cs->bcs[i].at_state.cid) | |
748 | return &cs->bcs[i].at_state; | |
749 | ||
750 | spin_lock_irqsave(&cs->lock, flags); | |
751 | ||
752 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
753 | if (cid == at_state->cid) { | |
754 | spin_unlock_irqrestore(&cs->lock, flags); | |
755 | return at_state; | |
756 | } | |
757 | ||
758 | spin_unlock_irqrestore(&cs->lock, flags); | |
759 | ||
760 | return NULL; | |
761 | } | |
762 | ||
763 | static void bchannel_down(struct bc_state *bcs) | |
764 | { | |
14fa73a7 HL |
765 | if (bcs->chstate & CHS_B_UP) { |
766 | bcs->chstate &= ~CHS_B_UP; | |
088ec0cc | 767 | gigaset_isdn_hupB(bcs); |
14fa73a7 HL |
768 | } |
769 | ||
770 | if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) { | |
771 | bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL); | |
088ec0cc | 772 | gigaset_isdn_hupD(bcs); |
14fa73a7 HL |
773 | } |
774 | ||
775 | gigaset_free_channel(bcs); | |
776 | ||
777 | gigaset_bcs_reinit(bcs); | |
778 | } | |
779 | ||
780 | static void bchannel_up(struct bc_state *bcs) | |
781 | { | |
14fa73a7 | 782 | if (bcs->chstate & CHS_B_UP) { |
784d5858 TS |
783 | dev_notice(bcs->cs->dev, "%s: B channel already up\n", |
784 | __func__); | |
14fa73a7 HL |
785 | return; |
786 | } | |
787 | ||
788 | bcs->chstate |= CHS_B_UP; | |
088ec0cc | 789 | gigaset_isdn_connB(bcs); |
14fa73a7 HL |
790 | } |
791 | ||
c35a87ff | 792 | static void start_dial(struct at_state_t *at_state, void *data, |
475be4d8 | 793 | unsigned seq_index) |
14fa73a7 HL |
794 | { |
795 | struct bc_state *bcs = at_state->bcs; | |
796 | struct cardstate *cs = at_state->cs; | |
088ec0cc | 797 | char **commands = data; |
69049cc8 | 798 | unsigned long flags; |
088ec0cc | 799 | int i; |
14fa73a7 HL |
800 | |
801 | bcs->chstate |= CHS_NOTIFY_LL; | |
14fa73a7 | 802 | |
69049cc8 TS |
803 | spin_lock_irqsave(&cs->lock, flags); |
804 | if (at_state->seq_index != seq_index) { | |
805 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 806 | goto error; |
69049cc8 TS |
807 | } |
808 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 809 | |
088ec0cc TS |
810 | for (i = 0; i < AT_NUM; ++i) { |
811 | kfree(bcs->commands[i]); | |
812 | bcs->commands[i] = commands[i]; | |
813 | } | |
14fa73a7 HL |
814 | |
815 | at_state->pending_commands |= PC_CID; | |
1528b18f | 816 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CID"); |
9d4bee2b | 817 | cs->commands_pending = 1; |
14fa73a7 HL |
818 | return; |
819 | ||
820 | error: | |
088ec0cc TS |
821 | for (i = 0; i < AT_NUM; ++i) { |
822 | kfree(commands[i]); | |
823 | commands[i] = NULL; | |
824 | } | |
14fa73a7 | 825 | at_state->pending_commands |= PC_NOCID; |
1528b18f | 826 | gig_dbg(DEBUG_EVENT, "Scheduling PC_NOCID"); |
9d4bee2b | 827 | cs->commands_pending = 1; |
14fa73a7 HL |
828 | return; |
829 | } | |
830 | ||
831 | static void start_accept(struct at_state_t *at_state) | |
832 | { | |
833 | struct cardstate *cs = at_state->cs; | |
088ec0cc TS |
834 | struct bc_state *bcs = at_state->bcs; |
835 | int i; | |
14fa73a7 | 836 | |
088ec0cc TS |
837 | for (i = 0; i < AT_NUM; ++i) { |
838 | kfree(bcs->commands[i]); | |
839 | bcs->commands[i] = NULL; | |
840 | } | |
14fa73a7 | 841 | |
088ec0cc TS |
842 | bcs->commands[AT_PROTO] = kmalloc(9, GFP_ATOMIC); |
843 | bcs->commands[AT_ISO] = kmalloc(9, GFP_ATOMIC); | |
844 | if (!bcs->commands[AT_PROTO] || !bcs->commands[AT_ISO]) { | |
845 | dev_err(at_state->cs->dev, "out of memory\n"); | |
9d4bee2b | 846 | /* error reset */ |
14fa73a7 | 847 | at_state->pending_commands |= PC_HUP; |
1528b18f | 848 | gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP"); |
9d4bee2b | 849 | cs->commands_pending = 1; |
088ec0cc | 850 | return; |
14fa73a7 | 851 | } |
088ec0cc TS |
852 | |
853 | snprintf(bcs->commands[AT_PROTO], 9, "^SBPR=%u\r", bcs->proto2); | |
854 | snprintf(bcs->commands[AT_ISO], 9, "^SISO=%u\r", bcs->channel + 1); | |
855 | ||
856 | at_state->pending_commands |= PC_ACCEPT; | |
1528b18f | 857 | gig_dbg(DEBUG_EVENT, "Scheduling PC_ACCEPT"); |
088ec0cc | 858 | cs->commands_pending = 1; |
14fa73a7 HL |
859 | } |
860 | ||
861 | static void do_start(struct cardstate *cs) | |
862 | { | |
863 | gigaset_free_channels(cs); | |
864 | ||
9d4bee2b | 865 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
866 | schedule_init(cs, MS_INIT); |
867 | ||
69049cc8 | 868 | cs->isdn_up = 1; |
088ec0cc | 869 | gigaset_isdn_start(cs); |
14fa73a7 HL |
870 | |
871 | cs->waiting = 0; | |
872 | wake_up(&cs->waitqueue); | |
873 | } | |
874 | ||
875 | static void finish_shutdown(struct cardstate *cs) | |
876 | { | |
9d4bee2b TS |
877 | if (cs->mstate != MS_LOCKED) { |
878 | cs->mstate = MS_UNINITIALIZED; | |
879 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
880 | } |
881 | ||
69049cc8 TS |
882 | /* Tell the LL that the device is not available .. */ |
883 | if (cs->isdn_up) { | |
884 | cs->isdn_up = 0; | |
088ec0cc | 885 | gigaset_isdn_stop(cs); |
69049cc8 TS |
886 | } |
887 | ||
14fa73a7 HL |
888 | /* The rest is done by cleanup_cs () in user mode. */ |
889 | ||
890 | cs->cmd_result = -ENODEV; | |
891 | cs->waiting = 0; | |
2869b23e | 892 | wake_up(&cs->waitqueue); |
14fa73a7 HL |
893 | } |
894 | ||
895 | static void do_shutdown(struct cardstate *cs) | |
896 | { | |
897 | gigaset_block_channels(cs); | |
898 | ||
9d4bee2b TS |
899 | if (cs->mstate == MS_READY) { |
900 | cs->mstate = MS_SHUTDOWN; | |
14fa73a7 | 901 | cs->at_state.pending_commands |= PC_SHUTDOWN; |
1528b18f | 902 | gig_dbg(DEBUG_EVENT, "Scheduling PC_SHUTDOWN"); |
9d4bee2b | 903 | cs->commands_pending = 1; |
14fa73a7 HL |
904 | } else |
905 | finish_shutdown(cs); | |
906 | } | |
907 | ||
908 | static void do_stop(struct cardstate *cs) | |
909 | { | |
69049cc8 TS |
910 | unsigned long flags; |
911 | ||
912 | spin_lock_irqsave(&cs->lock, flags); | |
913 | cs->connected = 0; | |
914 | spin_unlock_irqrestore(&cs->lock, flags); | |
915 | ||
14fa73a7 HL |
916 | do_shutdown(cs); |
917 | } | |
918 | ||
919 | /* Entering cid mode or getting a cid failed: | |
920 | * try to initialize the device and try again. | |
921 | * | |
922 | * channel >= 0: getting cid for the channel failed | |
923 | * channel < 0: entering cid mode failed | |
924 | * | |
925 | * returns 0 on failure | |
926 | */ | |
927 | static int reinit_and_retry(struct cardstate *cs, int channel) | |
928 | { | |
929 | int i; | |
930 | ||
931 | if (--cs->retry_count <= 0) | |
932 | return 0; | |
933 | ||
934 | for (i = 0; i < cs->channels; ++i) | |
935 | if (cs->bcs[i].at_state.cid > 0) | |
936 | return 0; | |
937 | ||
938 | if (channel < 0) | |
784d5858 | 939 | dev_warn(cs->dev, |
475be4d8 | 940 | "Could not enter cid mode. Reinit device and try again.\n"); |
14fa73a7 | 941 | else { |
784d5858 | 942 | dev_warn(cs->dev, |
475be4d8 | 943 | "Could not get a call id. Reinit device and try again.\n"); |
14fa73a7 HL |
944 | cs->bcs[channel].at_state.pending_commands |= PC_CID; |
945 | } | |
946 | schedule_init(cs, MS_INIT); | |
947 | return 1; | |
948 | } | |
949 | ||
950 | static int at_state_invalid(struct cardstate *cs, | |
784d5858 | 951 | struct at_state_t *test_ptr) |
14fa73a7 HL |
952 | { |
953 | unsigned long flags; | |
954 | unsigned channel; | |
955 | struct at_state_t *at_state; | |
956 | int retval = 0; | |
957 | ||
958 | spin_lock_irqsave(&cs->lock, flags); | |
959 | ||
960 | if (test_ptr == &cs->at_state) | |
961 | goto exit; | |
962 | ||
963 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
964 | if (at_state == test_ptr) | |
965 | goto exit; | |
966 | ||
967 | for (channel = 0; channel < cs->channels; ++channel) | |
968 | if (&cs->bcs[channel].at_state == test_ptr) | |
969 | goto exit; | |
970 | ||
971 | retval = 1; | |
972 | exit: | |
973 | spin_unlock_irqrestore(&cs->lock, flags); | |
974 | return retval; | |
975 | } | |
976 | ||
977 | static void handle_icall(struct cardstate *cs, struct bc_state *bcs, | |
978 | struct at_state_t **p_at_state) | |
979 | { | |
980 | int retval; | |
981 | struct at_state_t *at_state = *p_at_state; | |
982 | ||
983 | retval = gigaset_isdn_icall(at_state); | |
984 | switch (retval) { | |
985 | case ICALL_ACCEPT: | |
986 | break; | |
987 | default: | |
784d5858 | 988 | dev_err(cs->dev, "internal error: disposition=%d\n", retval); |
14fa73a7 HL |
989 | /* --v-- fall through --v-- */ |
990 | case ICALL_IGNORE: | |
991 | case ICALL_REJECT: | |
992 | /* hang up actively | |
993 | * Device doc says that would reject the call. | |
994 | * In fact it doesn't. | |
995 | */ | |
996 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 997 | cs->commands_pending = 1; |
14fa73a7 HL |
998 | break; |
999 | } | |
1000 | } | |
1001 | ||
1002 | static int do_lock(struct cardstate *cs) | |
1003 | { | |
1004 | int mode; | |
1005 | int i; | |
1006 | ||
9d4bee2b | 1007 | switch (cs->mstate) { |
14fa73a7 HL |
1008 | case MS_UNINITIALIZED: |
1009 | case MS_READY: | |
1010 | if (cs->cur_at_seq || !list_empty(&cs->temp_at_states) || | |
1011 | cs->at_state.pending_commands) | |
1012 | return -EBUSY; | |
1013 | ||
1014 | for (i = 0; i < cs->channels; ++i) | |
1015 | if (cs->bcs[i].at_state.pending_commands) | |
1016 | return -EBUSY; | |
1017 | ||
1018 | if (!gigaset_get_channels(cs)) | |
1019 | return -EBUSY; | |
1020 | ||
1021 | break; | |
1022 | case MS_LOCKED: | |
14fa73a7 HL |
1023 | break; |
1024 | default: | |
1025 | return -EBUSY; | |
1026 | } | |
1027 | ||
9d4bee2b TS |
1028 | mode = cs->mode; |
1029 | cs->mstate = MS_LOCKED; | |
1030 | cs->mode = M_UNKNOWN; | |
14fa73a7 HL |
1031 | |
1032 | return mode; | |
1033 | } | |
1034 | ||
1035 | static int do_unlock(struct cardstate *cs) | |
1036 | { | |
9d4bee2b | 1037 | if (cs->mstate != MS_LOCKED) |
14fa73a7 HL |
1038 | return -EINVAL; |
1039 | ||
9d4bee2b TS |
1040 | cs->mstate = MS_UNINITIALIZED; |
1041 | cs->mode = M_UNKNOWN; | |
14fa73a7 | 1042 | gigaset_free_channels(cs); |
69049cc8 | 1043 | if (cs->connected) |
14fa73a7 HL |
1044 | schedule_init(cs, MS_INIT); |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
1049 | static void do_action(int action, struct cardstate *cs, | |
1050 | struct bc_state *bcs, | |
1051 | struct at_state_t **p_at_state, char **pp_command, | |
1052 | int *p_genresp, int *p_resp_code, | |
1053 | struct event_t *ev) | |
1054 | { | |
1055 | struct at_state_t *at_state = *p_at_state; | |
1056 | struct at_state_t *at_state2; | |
1057 | unsigned long flags; | |
1058 | ||
1059 | int channel; | |
1060 | ||
1061 | unsigned char *s, *e; | |
1062 | int i; | |
1063 | unsigned long val; | |
1064 | ||
1065 | switch (action) { | |
1066 | case ACT_NOTHING: | |
1067 | break; | |
1068 | case ACT_TIMEOUT: | |
1069 | at_state->waiting = 1; | |
1070 | break; | |
1071 | case ACT_INIT: | |
14fa73a7 HL |
1072 | cs->at_state.pending_commands &= ~PC_INIT; |
1073 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1074 | cs->mode = M_UNIMODEM; |
69049cc8 TS |
1075 | spin_lock_irqsave(&cs->lock, flags); |
1076 | if (!cs->cidmode) { | |
1077 | spin_unlock_irqrestore(&cs->lock, flags); | |
14fa73a7 | 1078 | gigaset_free_channels(cs); |
9d4bee2b | 1079 | cs->mstate = MS_READY; |
14fa73a7 HL |
1080 | break; |
1081 | } | |
69049cc8 | 1082 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1083 | cs->at_state.pending_commands |= PC_CIDMODE; |
1528b18f | 1084 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE"); |
9d4bee2b | 1085 | cs->commands_pending = 1; |
14fa73a7 HL |
1086 | break; |
1087 | case ACT_FAILINIT: | |
784d5858 | 1088 | dev_warn(cs->dev, "Could not initialize the device.\n"); |
14fa73a7 HL |
1089 | cs->dle = 0; |
1090 | init_failed(cs, M_UNKNOWN); | |
1091 | cs->cur_at_seq = SEQ_NONE; | |
1092 | break; | |
1093 | case ACT_CONFIGMODE: | |
1094 | init_failed(cs, M_CONFIG); | |
1095 | cs->cur_at_seq = SEQ_NONE; | |
1096 | break; | |
1097 | case ACT_SETDLE1: | |
1098 | cs->dle = 1; | |
1099 | /* cs->inbuf[0].inputstate |= INS_command | INS_DLE_command; */ | |
1100 | cs->inbuf[0].inputstate &= | |
1101 | ~(INS_command | INS_DLE_command); | |
1102 | break; | |
1103 | case ACT_SETDLE0: | |
1104 | cs->dle = 0; | |
1105 | cs->inbuf[0].inputstate = | |
1106 | (cs->inbuf[0].inputstate & ~INS_DLE_command) | |
1107 | | INS_command; | |
1108 | break; | |
1109 | case ACT_CMODESET: | |
9d4bee2b | 1110 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 | 1111 | gigaset_free_channels(cs); |
9d4bee2b | 1112 | cs->mstate = MS_READY; |
14fa73a7 | 1113 | } |
9d4bee2b | 1114 | cs->mode = M_CID; |
14fa73a7 HL |
1115 | cs->cur_at_seq = SEQ_NONE; |
1116 | break; | |
1117 | case ACT_UMODESET: | |
9d4bee2b | 1118 | cs->mode = M_UNIMODEM; |
14fa73a7 HL |
1119 | cs->cur_at_seq = SEQ_NONE; |
1120 | break; | |
1121 | case ACT_FAILCMODE: | |
1122 | cs->cur_at_seq = SEQ_NONE; | |
9d4bee2b | 1123 | if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1124 | init_failed(cs, M_UNKNOWN); |
1125 | break; | |
1126 | } | |
1127 | if (!reinit_and_retry(cs, -1)) | |
1128 | schedule_init(cs, MS_RECOVER); | |
1129 | break; | |
1130 | case ACT_FAILUMODE: | |
1131 | cs->cur_at_seq = SEQ_NONE; | |
1132 | schedule_init(cs, MS_RECOVER); | |
1133 | break; | |
1134 | case ACT_HUPMODEM: | |
1135 | /* send "+++" (hangup in unimodem mode) */ | |
e3628dd1 TS |
1136 | if (cs->connected) { |
1137 | struct cmdbuf_t *cb; | |
1138 | ||
1139 | cb = kmalloc(sizeof(struct cmdbuf_t) + 3, GFP_ATOMIC); | |
1140 | if (!cb) { | |
1141 | dev_err(cs->dev, "%s: out of memory\n", | |
1142 | __func__); | |
1143 | return; | |
1144 | } | |
1145 | memcpy(cb->buf, "+++", 3); | |
1146 | cb->len = 3; | |
1147 | cb->offset = 0; | |
1148 | cb->next = NULL; | |
1149 | cb->wake_tasklet = NULL; | |
1150 | cs->ops->write_cmd(cs, cb); | |
1151 | } | |
14fa73a7 HL |
1152 | break; |
1153 | case ACT_RING: | |
1154 | /* get fresh AT state structure for new CID */ | |
1155 | at_state2 = get_free_channel(cs, ev->parameter); | |
1156 | if (!at_state2) { | |
784d5858 | 1157 | dev_warn(cs->dev, |
475be4d8 | 1158 | "RING ignored: could not allocate channel structure\n"); |
14fa73a7 HL |
1159 | break; |
1160 | } | |
1161 | ||
1162 | /* initialize AT state structure | |
1163 | * note that bcs may be NULL if no B channel is free | |
1164 | */ | |
1165 | at_state2->ConState = 700; | |
3a0a3a6b TS |
1166 | for (i = 0; i < STR_NUM; ++i) { |
1167 | kfree(at_state2->str_var[i]); | |
1168 | at_state2->str_var[i] = NULL; | |
1169 | } | |
14fa73a7 HL |
1170 | at_state2->int_var[VAR_ZCTP] = -1; |
1171 | ||
1172 | spin_lock_irqsave(&cs->lock, flags); | |
1173 | at_state2->timer_expires = RING_TIMEOUT; | |
1174 | at_state2->timer_active = 1; | |
1175 | spin_unlock_irqrestore(&cs->lock, flags); | |
1176 | break; | |
1177 | case ACT_ICALL: | |
1178 | handle_icall(cs, bcs, p_at_state); | |
14fa73a7 HL |
1179 | break; |
1180 | case ACT_FAILSDOWN: | |
784d5858 | 1181 | dev_warn(cs->dev, "Could not shut down the device.\n"); |
14fa73a7 HL |
1182 | /* fall through */ |
1183 | case ACT_FAKESDOWN: | |
1184 | case ACT_SDOWN: | |
1185 | cs->cur_at_seq = SEQ_NONE; | |
1186 | finish_shutdown(cs); | |
1187 | break; | |
1188 | case ACT_CONNECT: | |
1189 | if (cs->onechannel) { | |
1190 | at_state->pending_commands |= PC_DLE1; | |
9d4bee2b | 1191 | cs->commands_pending = 1; |
14fa73a7 HL |
1192 | break; |
1193 | } | |
1194 | bcs->chstate |= CHS_D_UP; | |
088ec0cc | 1195 | gigaset_isdn_connD(bcs); |
14fa73a7 HL |
1196 | cs->ops->init_bchannel(bcs); |
1197 | break; | |
1198 | case ACT_DLE1: | |
1199 | cs->cur_at_seq = SEQ_NONE; | |
1200 | bcs = cs->bcs + cs->curchannel; | |
1201 | ||
1202 | bcs->chstate |= CHS_D_UP; | |
088ec0cc | 1203 | gigaset_isdn_connD(bcs); |
14fa73a7 HL |
1204 | cs->ops->init_bchannel(bcs); |
1205 | break; | |
1206 | case ACT_FAKEHUP: | |
1207 | at_state->int_var[VAR_ZSAU] = ZSAU_NULL; | |
1208 | /* fall through */ | |
1209 | case ACT_DISCONNECT: | |
1210 | cs->cur_at_seq = SEQ_NONE; | |
1211 | at_state->cid = -1; | |
1212 | if (bcs && cs->onechannel && cs->dle) { | |
1213 | /* Check for other open channels not needed: | |
1214 | * DLE only used for M10x with one B channel. | |
1215 | */ | |
1216 | at_state->pending_commands |= PC_DLE0; | |
9d4bee2b | 1217 | cs->commands_pending = 1; |
698e3ed9 | 1218 | } else |
14fa73a7 | 1219 | disconnect(p_at_state); |
14fa73a7 HL |
1220 | break; |
1221 | case ACT_FAKEDLE0: | |
1222 | at_state->int_var[VAR_ZDLE] = 0; | |
1223 | cs->dle = 0; | |
1224 | /* fall through */ | |
1225 | case ACT_DLE0: | |
1226 | cs->cur_at_seq = SEQ_NONE; | |
1227 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1228 | disconnect(&at_state2); | |
1229 | break; | |
1230 | case ACT_ABORTHUP: | |
1231 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1232 | dev_warn(cs->dev, "Could not hang up.\n"); |
14fa73a7 HL |
1233 | at_state->cid = -1; |
1234 | if (bcs && cs->onechannel) | |
1235 | at_state->pending_commands |= PC_DLE0; | |
698e3ed9 | 1236 | else |
14fa73a7 | 1237 | disconnect(p_at_state); |
14fa73a7 HL |
1238 | schedule_init(cs, MS_RECOVER); |
1239 | break; | |
1240 | case ACT_FAILDLE0: | |
1241 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 | 1242 | dev_warn(cs->dev, "Could not leave DLE mode.\n"); |
14fa73a7 HL |
1243 | at_state2 = &cs->bcs[cs->curchannel].at_state; |
1244 | disconnect(&at_state2); | |
1245 | schedule_init(cs, MS_RECOVER); | |
1246 | break; | |
1247 | case ACT_FAILDLE1: | |
1248 | cs->cur_at_seq = SEQ_NONE; | |
784d5858 TS |
1249 | dev_warn(cs->dev, |
1250 | "Could not enter DLE mode. Trying to hang up.\n"); | |
14fa73a7 HL |
1251 | channel = cs->curchannel; |
1252 | cs->bcs[channel].at_state.pending_commands |= PC_HUP; | |
9d4bee2b | 1253 | cs->commands_pending = 1; |
14fa73a7 HL |
1254 | break; |
1255 | ||
1256 | case ACT_CID: /* got cid; start dialing */ | |
1257 | cs->cur_at_seq = SEQ_NONE; | |
1258 | channel = cs->curchannel; | |
1259 | if (ev->parameter > 0 && ev->parameter <= 65535) { | |
1260 | cs->bcs[channel].at_state.cid = ev->parameter; | |
1261 | cs->bcs[channel].at_state.pending_commands |= | |
1262 | PC_DIAL; | |
9d4bee2b | 1263 | cs->commands_pending = 1; |
14fa73a7 HL |
1264 | break; |
1265 | } | |
1266 | /* fall through */ | |
1267 | case ACT_FAILCID: | |
1268 | cs->cur_at_seq = SEQ_NONE; | |
1269 | channel = cs->curchannel; | |
1270 | if (!reinit_and_retry(cs, channel)) { | |
784d5858 TS |
1271 | dev_warn(cs->dev, |
1272 | "Could not get a call ID. Cannot dial.\n"); | |
14fa73a7 HL |
1273 | at_state2 = &cs->bcs[channel].at_state; |
1274 | disconnect(&at_state2); | |
1275 | } | |
1276 | break; | |
1277 | case ACT_ABORTCID: | |
1278 | cs->cur_at_seq = SEQ_NONE; | |
1279 | at_state2 = &cs->bcs[cs->curchannel].at_state; | |
1280 | disconnect(&at_state2); | |
1281 | break; | |
1282 | ||
1283 | case ACT_DIALING: | |
1284 | case ACT_ACCEPTED: | |
1285 | cs->cur_at_seq = SEQ_NONE; | |
1286 | break; | |
1287 | ||
c35a87ff | 1288 | case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL procssng */ |
14fa73a7 | 1289 | disconnect(p_at_state); |
14fa73a7 HL |
1290 | break; |
1291 | ||
1292 | case ACT_ABORTDIAL: /* error/timeout during dial preparation */ | |
1293 | cs->cur_at_seq = SEQ_NONE; | |
1294 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1295 | cs->commands_pending = 1; |
14fa73a7 HL |
1296 | break; |
1297 | ||
1298 | case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */ | |
1299 | case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */ | |
1300 | case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */ | |
1301 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1302 | cs->commands_pending = 1; |
14fa73a7 | 1303 | break; |
917f5085 | 1304 | case ACT_GETSTRING: /* warning: RING, ZDLE, ... |
784d5858 | 1305 | are not handled properly anymore */ |
14fa73a7 HL |
1306 | at_state->getstring = 1; |
1307 | break; | |
1308 | case ACT_SETVER: | |
1309 | if (!ev->ptr) { | |
1310 | *p_genresp = 1; | |
1311 | *p_resp_code = RSP_ERROR; | |
1312 | break; | |
1313 | } | |
1314 | s = ev->ptr; | |
1315 | ||
1316 | if (!strcmp(s, "OK")) { | |
1317 | *p_genresp = 1; | |
1318 | *p_resp_code = RSP_ERROR; | |
1319 | break; | |
1320 | } | |
1321 | ||
1322 | for (i = 0; i < 4; ++i) { | |
1323 | val = simple_strtoul(s, (char **) &e, 10); | |
1324 | if (val > INT_MAX || e == s) | |
1325 | break; | |
1326 | if (i == 3) { | |
1327 | if (*e) | |
1328 | break; | |
1329 | } else if (*e != '.') | |
1330 | break; | |
1331 | else | |
1332 | s = e + 1; | |
1333 | cs->fwver[i] = val; | |
1334 | } | |
1335 | if (i != 4) { | |
1336 | *p_genresp = 1; | |
1337 | *p_resp_code = RSP_ERROR; | |
1338 | break; | |
1339 | } | |
1340 | /*at_state->getstring = 1;*/ | |
1341 | cs->gotfwver = 0; | |
1342 | break; | |
1343 | case ACT_GOTVER: | |
1344 | if (cs->gotfwver == 0) { | |
1345 | cs->gotfwver = 1; | |
1528b18f | 1346 | gig_dbg(DEBUG_EVENT, |
784d5858 TS |
1347 | "firmware version %02d.%03d.%02d.%02d", |
1348 | cs->fwver[0], cs->fwver[1], | |
1349 | cs->fwver[2], cs->fwver[3]); | |
14fa73a7 HL |
1350 | break; |
1351 | } | |
1352 | /* fall through */ | |
1353 | case ACT_FAILVER: | |
1354 | cs->gotfwver = -1; | |
784d5858 | 1355 | dev_err(cs->dev, "could not read firmware version.\n"); |
14fa73a7 | 1356 | break; |
14fa73a7 | 1357 | case ACT_ERROR: |
05eae94f TS |
1358 | gig_dbg(DEBUG_ANY, "%s: ERROR response in ConState %d", |
1359 | __func__, at_state->ConState); | |
1360 | cs->cur_at_seq = SEQ_NONE; | |
14fa73a7 | 1361 | break; |
14fa73a7 | 1362 | case ACT_DEBUG: |
784d5858 | 1363 | gig_dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d", |
14fa73a7 HL |
1364 | __func__, ev->type, at_state->ConState); |
1365 | break; | |
1366 | case ACT_WARN: | |
784d5858 TS |
1367 | dev_warn(cs->dev, "%s: resp_code %d in ConState %d!\n", |
1368 | __func__, ev->type, at_state->ConState); | |
14fa73a7 HL |
1369 | break; |
1370 | case ACT_ZCAU: | |
784d5858 TS |
1371 | dev_warn(cs->dev, "cause code %04x in connection state %d.\n", |
1372 | ev->parameter, at_state->ConState); | |
14fa73a7 HL |
1373 | break; |
1374 | ||
475be4d8 | 1375 | /* events from the LL */ |
14fa73a7 HL |
1376 | case ACT_DIAL: |
1377 | start_dial(at_state, ev->ptr, ev->parameter); | |
1378 | break; | |
1379 | case ACT_ACCEPT: | |
1380 | start_accept(at_state); | |
1381 | break; | |
14fa73a7 HL |
1382 | case ACT_HUP: |
1383 | at_state->pending_commands |= PC_HUP; | |
1528b18f | 1384 | gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP"); |
9d4bee2b | 1385 | cs->commands_pending = 1; |
14fa73a7 HL |
1386 | break; |
1387 | ||
475be4d8 | 1388 | /* hotplug events */ |
14fa73a7 HL |
1389 | case ACT_STOP: |
1390 | do_stop(cs); | |
1391 | break; | |
1392 | case ACT_START: | |
1393 | do_start(cs); | |
1394 | break; | |
1395 | ||
475be4d8 | 1396 | /* events from the interface */ |
14fa73a7 HL |
1397 | case ACT_IF_LOCK: |
1398 | cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs); | |
1399 | cs->waiting = 0; | |
1400 | wake_up(&cs->waitqueue); | |
1401 | break; | |
1402 | case ACT_IF_VER: | |
1403 | if (ev->parameter != 0) | |
1404 | cs->cmd_result = -EINVAL; | |
1405 | else if (cs->gotfwver != 1) { | |
1406 | cs->cmd_result = -ENOENT; | |
1407 | } else { | |
1408 | memcpy(ev->arg, cs->fwver, sizeof cs->fwver); | |
1409 | cs->cmd_result = 0; | |
1410 | } | |
1411 | cs->waiting = 0; | |
1412 | wake_up(&cs->waitqueue); | |
1413 | break; | |
1414 | ||
475be4d8 | 1415 | /* events from the proc file system */ |
14fa73a7 | 1416 | case ACT_PROC_CIDMODE: |
69049cc8 TS |
1417 | spin_lock_irqsave(&cs->lock, flags); |
1418 | if (ev->parameter != cs->cidmode) { | |
1419 | cs->cidmode = ev->parameter; | |
14fa73a7 HL |
1420 | if (ev->parameter) { |
1421 | cs->at_state.pending_commands |= PC_CIDMODE; | |
1528b18f | 1422 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE"); |
14fa73a7 HL |
1423 | } else { |
1424 | cs->at_state.pending_commands |= PC_UMMODE; | |
1528b18f | 1425 | gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE"); |
14fa73a7 | 1426 | } |
9d4bee2b | 1427 | cs->commands_pending = 1; |
14fa73a7 | 1428 | } |
69049cc8 | 1429 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1430 | cs->waiting = 0; |
1431 | wake_up(&cs->waitqueue); | |
1432 | break; | |
1433 | ||
475be4d8 | 1434 | /* events from the hardware drivers */ |
14fa73a7 HL |
1435 | case ACT_NOTIFY_BC_DOWN: |
1436 | bchannel_down(bcs); | |
1437 | break; | |
1438 | case ACT_NOTIFY_BC_UP: | |
1439 | bchannel_up(bcs); | |
1440 | break; | |
1441 | case ACT_SHUTDOWN: | |
1442 | do_shutdown(cs); | |
1443 | break; | |
1444 | ||
1445 | ||
1446 | default: | |
1447 | if (action >= ACT_CMD && action < ACT_CMD + AT_NUM) { | |
1448 | *pp_command = at_state->bcs->commands[action - ACT_CMD]; | |
1449 | if (!*pp_command) { | |
1450 | *p_genresp = 1; | |
1451 | *p_resp_code = RSP_NULL; | |
1452 | } | |
1453 | } else | |
784d5858 | 1454 | dev_err(cs->dev, "%s: action==%d!\n", __func__, action); |
14fa73a7 HL |
1455 | } |
1456 | } | |
1457 | ||
1458 | /* State machine to do the calling and hangup procedure */ | |
1459 | static void process_event(struct cardstate *cs, struct event_t *ev) | |
1460 | { | |
1461 | struct bc_state *bcs; | |
1462 | char *p_command = NULL; | |
1463 | struct reply_t *rep; | |
1464 | int rcode; | |
1465 | int genresp = 0; | |
1466 | int resp_code = RSP_ERROR; | |
1467 | int sendcid; | |
1468 | struct at_state_t *at_state; | |
1469 | int index; | |
1470 | int curact; | |
1471 | unsigned long flags; | |
1472 | ||
14fa73a7 HL |
1473 | if (ev->cid >= 0) { |
1474 | at_state = at_state_from_cid(cs, ev->cid); | |
1475 | if (!at_state) { | |
1528b18f TS |
1476 | gig_dbg(DEBUG_EVENT, "event %d for invalid cid %d", |
1477 | ev->type, ev->cid); | |
14fa73a7 | 1478 | gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID, |
784d5858 | 1479 | NULL, 0, NULL); |
14fa73a7 HL |
1480 | return; |
1481 | } | |
1482 | } else { | |
1483 | at_state = ev->at_state; | |
1484 | if (at_state_invalid(cs, at_state)) { | |
1528b18f | 1485 | gig_dbg(DEBUG_EVENT, "event for invalid at_state %p", |
784d5858 | 1486 | at_state); |
14fa73a7 HL |
1487 | return; |
1488 | } | |
1489 | } | |
1490 | ||
1528b18f | 1491 | gig_dbg(DEBUG_EVENT, "connection state %d, event %d", |
784d5858 | 1492 | at_state->ConState, ev->type); |
14fa73a7 HL |
1493 | |
1494 | bcs = at_state->bcs; | |
1495 | sendcid = at_state->cid; | |
1496 | ||
1497 | /* Setting the pointer to the dial array */ | |
1498 | rep = at_state->replystruct; | |
14fa73a7 | 1499 | |
69049cc8 | 1500 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1501 | if (ev->type == EV_TIMEOUT) { |
69049cc8 | 1502 | if (ev->parameter != at_state->timer_index |
14fa73a7 HL |
1503 | || !at_state->timer_active) { |
1504 | ev->type = RSP_NONE; /* old timeout */ | |
1528b18f | 1505 | gig_dbg(DEBUG_EVENT, "old timeout"); |
14fa73a7 | 1506 | } else if (!at_state->waiting) |
1528b18f | 1507 | gig_dbg(DEBUG_EVENT, "timeout occurred"); |
14fa73a7 | 1508 | else |
1528b18f | 1509 | gig_dbg(DEBUG_EVENT, "stopped waiting"); |
14fa73a7 | 1510 | } |
69049cc8 | 1511 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 | 1512 | |
917f5085 TS |
1513 | /* if the response belongs to a variable in at_state->int_var[VAR_XXXX] |
1514 | or at_state->str_var[STR_XXXX], set it */ | |
14fa73a7 HL |
1515 | if (ev->type >= RSP_VAR && ev->type < RSP_VAR + VAR_NUM) { |
1516 | index = ev->type - RSP_VAR; | |
1517 | at_state->int_var[index] = ev->parameter; | |
1518 | } else if (ev->type >= RSP_STR && ev->type < RSP_STR + STR_NUM) { | |
1519 | index = ev->type - RSP_STR; | |
1520 | kfree(at_state->str_var[index]); | |
1521 | at_state->str_var[index] = ev->ptr; | |
917f5085 TS |
1522 | ev->ptr = NULL; /* prevent process_events() from |
1523 | deallocating ptr */ | |
14fa73a7 HL |
1524 | } |
1525 | ||
1526 | if (ev->type == EV_TIMEOUT || ev->type == RSP_STRING) | |
1527 | at_state->getstring = 0; | |
1528 | ||
917f5085 TS |
1529 | /* Search row in dial array which matches modem response and current |
1530 | constate */ | |
14fa73a7 HL |
1531 | for (;; rep++) { |
1532 | rcode = rep->resp_code; | |
14fa73a7 HL |
1533 | if (rcode == RSP_LAST) { |
1534 | /* found nothing...*/ | |
784d5858 | 1535 | dev_warn(cs->dev, "%s: rcode=RSP_LAST: " |
475be4d8 | 1536 | "resp_code %d in ConState %d!\n", |
784d5858 | 1537 | __func__, ev->type, at_state->ConState); |
14fa73a7 HL |
1538 | return; |
1539 | } | |
1540 | if ((rcode == RSP_ANY || rcode == ev->type) | |
475be4d8 JP |
1541 | && ((int) at_state->ConState >= rep->min_ConState) |
1542 | && (rep->max_ConState < 0 | |
1543 | || (int) at_state->ConState <= rep->max_ConState) | |
1544 | && (rep->parameter < 0 || rep->parameter == ev->parameter)) | |
14fa73a7 HL |
1545 | break; |
1546 | } | |
1547 | ||
1548 | p_command = rep->command; | |
1549 | ||
1550 | at_state->waiting = 0; | |
1551 | for (curact = 0; curact < MAXACT; ++curact) { | |
1552 | /* The row tells us what we should do .. | |
1553 | */ | |
c35a87ff TS |
1554 | do_action(rep->action[curact], cs, bcs, &at_state, &p_command, |
1555 | &genresp, &resp_code, ev); | |
14fa73a7 HL |
1556 | if (!at_state) |
1557 | break; /* may be freed after disconnect */ | |
1558 | } | |
1559 | ||
1560 | if (at_state) { | |
1561 | /* Jump to the next con-state regarding the array */ | |
1562 | if (rep->new_ConState >= 0) | |
1563 | at_state->ConState = rep->new_ConState; | |
1564 | ||
1565 | if (genresp) { | |
1566 | spin_lock_irqsave(&cs->lock, flags); | |
c35a87ff TS |
1567 | at_state->timer_expires = 0; |
1568 | at_state->timer_active = 0; | |
14fa73a7 | 1569 | spin_unlock_irqrestore(&cs->lock, flags); |
c35a87ff TS |
1570 | gigaset_add_event(cs, at_state, resp_code, |
1571 | NULL, 0, NULL); | |
14fa73a7 HL |
1572 | } else { |
1573 | /* Send command to modem if not NULL... */ | |
c35a87ff | 1574 | if (p_command) { |
69049cc8 | 1575 | if (cs->connected) |
14fa73a7 | 1576 | send_command(cs, p_command, |
784d5858 TS |
1577 | sendcid, cs->dle, |
1578 | GFP_ATOMIC); | |
14fa73a7 HL |
1579 | else |
1580 | gigaset_add_event(cs, at_state, | |
784d5858 TS |
1581 | RSP_NODEV, |
1582 | NULL, 0, NULL); | |
14fa73a7 HL |
1583 | } |
1584 | ||
1585 | spin_lock_irqsave(&cs->lock, flags); | |
1586 | if (!rep->timeout) { | |
1587 | at_state->timer_expires = 0; | |
1588 | at_state->timer_active = 0; | |
1589 | } else if (rep->timeout > 0) { /* new timeout */ | |
1590 | at_state->timer_expires = rep->timeout * 10; | |
1591 | at_state->timer_active = 1; | |
69049cc8 | 1592 | ++at_state->timer_index; |
14fa73a7 HL |
1593 | } |
1594 | spin_unlock_irqrestore(&cs->lock, flags); | |
1595 | } | |
1596 | } | |
1597 | } | |
1598 | ||
1599 | static void schedule_sequence(struct cardstate *cs, | |
1600 | struct at_state_t *at_state, int sequence) | |
1601 | { | |
1602 | cs->cur_at_seq = sequence; | |
1603 | gigaset_add_event(cs, at_state, RSP_INIT, NULL, sequence, NULL); | |
1604 | } | |
1605 | ||
1606 | static void process_command_flags(struct cardstate *cs) | |
1607 | { | |
1608 | struct at_state_t *at_state = NULL; | |
1609 | struct bc_state *bcs; | |
1610 | int i; | |
1611 | int sequence; | |
69049cc8 | 1612 | unsigned long flags; |
14fa73a7 | 1613 | |
9d4bee2b | 1614 | cs->commands_pending = 0; |
14fa73a7 HL |
1615 | |
1616 | if (cs->cur_at_seq) { | |
1528b18f | 1617 | gig_dbg(DEBUG_EVENT, "not searching scheduled commands: busy"); |
14fa73a7 HL |
1618 | return; |
1619 | } | |
1620 | ||
1528b18f | 1621 | gig_dbg(DEBUG_EVENT, "searching scheduled commands"); |
14fa73a7 HL |
1622 | |
1623 | sequence = SEQ_NONE; | |
1624 | ||
1625 | /* clear pending_commands and hangup channels on shutdown */ | |
1626 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1627 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1628 | for (i = 0; i < cs->channels; ++i) { | |
1629 | bcs = cs->bcs + i; | |
1630 | at_state = &bcs->at_state; | |
1631 | at_state->pending_commands &= | |
1632 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1633 | if (at_state->cid > 0) | |
1634 | at_state->pending_commands |= PC_HUP; | |
1635 | if (at_state->pending_commands & PC_CID) { | |
1636 | at_state->pending_commands |= PC_NOCID; | |
1637 | at_state->pending_commands &= ~PC_CID; | |
1638 | } | |
1639 | } | |
1640 | } | |
1641 | ||
1642 | /* clear pending_commands and hangup channels on reset */ | |
1643 | if (cs->at_state.pending_commands & PC_INIT) { | |
1644 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
1645 | for (i = 0; i < cs->channels; ++i) { | |
1646 | bcs = cs->bcs + i; | |
1647 | at_state = &bcs->at_state; | |
1648 | at_state->pending_commands &= | |
1649 | ~(PC_DLE1 | PC_ACCEPT | PC_DIAL); | |
1650 | if (at_state->cid > 0) | |
1651 | at_state->pending_commands |= PC_HUP; | |
9d4bee2b | 1652 | if (cs->mstate == MS_RECOVER) { |
14fa73a7 HL |
1653 | if (at_state->pending_commands & PC_CID) { |
1654 | at_state->pending_commands |= PC_NOCID; | |
1655 | at_state->pending_commands &= ~PC_CID; | |
1656 | } | |
1657 | } | |
1658 | } | |
1659 | } | |
1660 | ||
c35a87ff TS |
1661 | /* only switch back to unimodem mode if no commands are pending and |
1662 | * no channels are up */ | |
69049cc8 | 1663 | spin_lock_irqsave(&cs->lock, flags); |
14fa73a7 | 1664 | if (cs->at_state.pending_commands == PC_UMMODE |
69049cc8 | 1665 | && !cs->cidmode |
14fa73a7 | 1666 | && list_empty(&cs->temp_at_states) |
9d4bee2b | 1667 | && cs->mode == M_CID) { |
14fa73a7 HL |
1668 | sequence = SEQ_UMMODE; |
1669 | at_state = &cs->at_state; | |
1670 | for (i = 0; i < cs->channels; ++i) { | |
1671 | bcs = cs->bcs + i; | |
1672 | if (bcs->at_state.pending_commands || | |
1673 | bcs->at_state.cid > 0) { | |
1674 | sequence = SEQ_NONE; | |
1675 | break; | |
1676 | } | |
1677 | } | |
1678 | } | |
69049cc8 | 1679 | spin_unlock_irqrestore(&cs->lock, flags); |
14fa73a7 HL |
1680 | cs->at_state.pending_commands &= ~PC_UMMODE; |
1681 | if (sequence != SEQ_NONE) { | |
1682 | schedule_sequence(cs, at_state, sequence); | |
1683 | return; | |
1684 | } | |
1685 | ||
1686 | for (i = 0; i < cs->channels; ++i) { | |
1687 | bcs = cs->bcs + i; | |
1688 | if (bcs->at_state.pending_commands & PC_HUP) { | |
1689 | bcs->at_state.pending_commands &= ~PC_HUP; | |
1690 | if (bcs->at_state.pending_commands & PC_CID) { | |
1691 | /* not yet dialing: PC_NOCID is sufficient */ | |
1692 | bcs->at_state.pending_commands |= PC_NOCID; | |
1693 | bcs->at_state.pending_commands &= ~PC_CID; | |
1694 | } else { | |
1695 | schedule_sequence(cs, &bcs->at_state, SEQ_HUP); | |
1696 | return; | |
1697 | } | |
1698 | } | |
1699 | if (bcs->at_state.pending_commands & PC_NOCID) { | |
1700 | bcs->at_state.pending_commands &= ~PC_NOCID; | |
1701 | cs->curchannel = bcs->channel; | |
1702 | schedule_sequence(cs, &cs->at_state, SEQ_NOCID); | |
1703 | return; | |
1704 | } else if (bcs->at_state.pending_commands & PC_DLE0) { | |
1705 | bcs->at_state.pending_commands &= ~PC_DLE0; | |
1706 | cs->curchannel = bcs->channel; | |
1707 | schedule_sequence(cs, &cs->at_state, SEQ_DLE0); | |
1708 | return; | |
1709 | } | |
1710 | } | |
1711 | ||
1712 | list_for_each_entry(at_state, &cs->temp_at_states, list) | |
1713 | if (at_state->pending_commands & PC_HUP) { | |
1714 | at_state->pending_commands &= ~PC_HUP; | |
1715 | schedule_sequence(cs, at_state, SEQ_HUP); | |
1716 | return; | |
1717 | } | |
1718 | ||
1719 | if (cs->at_state.pending_commands & PC_INIT) { | |
1720 | cs->at_state.pending_commands &= ~PC_INIT; | |
c35a87ff | 1721 | cs->dle = 0; |
14fa73a7 | 1722 | cs->inbuf->inputstate = INS_command; |
14fa73a7 HL |
1723 | schedule_sequence(cs, &cs->at_state, SEQ_INIT); |
1724 | return; | |
1725 | } | |
1726 | if (cs->at_state.pending_commands & PC_SHUTDOWN) { | |
1727 | cs->at_state.pending_commands &= ~PC_SHUTDOWN; | |
1728 | schedule_sequence(cs, &cs->at_state, SEQ_SHUTDOWN); | |
1729 | return; | |
1730 | } | |
1731 | if (cs->at_state.pending_commands & PC_CIDMODE) { | |
1732 | cs->at_state.pending_commands &= ~PC_CIDMODE; | |
9d4bee2b | 1733 | if (cs->mode == M_UNIMODEM) { |
14fa73a7 | 1734 | cs->retry_count = 1; |
14fa73a7 HL |
1735 | schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE); |
1736 | return; | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | for (i = 0; i < cs->channels; ++i) { | |
1741 | bcs = cs->bcs + i; | |
1742 | if (bcs->at_state.pending_commands & PC_DLE1) { | |
1743 | bcs->at_state.pending_commands &= ~PC_DLE1; | |
1744 | cs->curchannel = bcs->channel; | |
1745 | schedule_sequence(cs, &cs->at_state, SEQ_DLE1); | |
1746 | return; | |
1747 | } | |
1748 | if (bcs->at_state.pending_commands & PC_ACCEPT) { | |
1749 | bcs->at_state.pending_commands &= ~PC_ACCEPT; | |
1750 | schedule_sequence(cs, &bcs->at_state, SEQ_ACCEPT); | |
1751 | return; | |
1752 | } | |
1753 | if (bcs->at_state.pending_commands & PC_DIAL) { | |
1754 | bcs->at_state.pending_commands &= ~PC_DIAL; | |
1755 | schedule_sequence(cs, &bcs->at_state, SEQ_DIAL); | |
1756 | return; | |
1757 | } | |
1758 | if (bcs->at_state.pending_commands & PC_CID) { | |
9d4bee2b | 1759 | switch (cs->mode) { |
14fa73a7 HL |
1760 | case M_UNIMODEM: |
1761 | cs->at_state.pending_commands |= PC_CIDMODE; | |
1528b18f | 1762 | gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE"); |
9d4bee2b | 1763 | cs->commands_pending = 1; |
14fa73a7 | 1764 | return; |
14fa73a7 HL |
1765 | case M_UNKNOWN: |
1766 | schedule_init(cs, MS_INIT); | |
1767 | return; | |
14fa73a7 HL |
1768 | } |
1769 | bcs->at_state.pending_commands &= ~PC_CID; | |
1770 | cs->curchannel = bcs->channel; | |
14fa73a7 | 1771 | cs->retry_count = 2; |
14fa73a7 HL |
1772 | schedule_sequence(cs, &cs->at_state, SEQ_CID); |
1773 | return; | |
1774 | } | |
1775 | } | |
1776 | } | |
1777 | ||
1778 | static void process_events(struct cardstate *cs) | |
1779 | { | |
1780 | struct event_t *ev; | |
1781 | unsigned head, tail; | |
1782 | int i; | |
1783 | int check_flags = 0; | |
1784 | int was_busy; | |
69049cc8 | 1785 | unsigned long flags; |
14fa73a7 | 1786 | |
69049cc8 TS |
1787 | spin_lock_irqsave(&cs->ev_lock, flags); |
1788 | head = cs->ev_head; | |
14fa73a7 HL |
1789 | |
1790 | for (i = 0; i < 2 * MAX_EVENTS; ++i) { | |
69049cc8 | 1791 | tail = cs->ev_tail; |
14fa73a7 | 1792 | if (tail == head) { |
9d4bee2b | 1793 | if (!check_flags && !cs->commands_pending) |
14fa73a7 HL |
1794 | break; |
1795 | check_flags = 0; | |
69049cc8 | 1796 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1797 | process_command_flags(cs); |
69049cc8 TS |
1798 | spin_lock_irqsave(&cs->ev_lock, flags); |
1799 | tail = cs->ev_tail; | |
14fa73a7 | 1800 | if (tail == head) { |
9d4bee2b | 1801 | if (!cs->commands_pending) |
14fa73a7 HL |
1802 | break; |
1803 | continue; | |
1804 | } | |
1805 | } | |
1806 | ||
1807 | ev = cs->events + head; | |
1808 | was_busy = cs->cur_at_seq != SEQ_NONE; | |
69049cc8 | 1809 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
14fa73a7 | 1810 | process_event(cs, ev); |
69049cc8 | 1811 | spin_lock_irqsave(&cs->ev_lock, flags); |
14fa73a7 HL |
1812 | kfree(ev->ptr); |
1813 | ev->ptr = NULL; | |
1814 | if (was_busy && cs->cur_at_seq == SEQ_NONE) | |
1815 | check_flags = 1; | |
1816 | ||
1817 | head = (head + 1) % MAX_EVENTS; | |
69049cc8 | 1818 | cs->ev_head = head; |
14fa73a7 HL |
1819 | } |
1820 | ||
69049cc8 TS |
1821 | spin_unlock_irqrestore(&cs->ev_lock, flags); |
1822 | ||
14fa73a7 | 1823 | if (i == 2 * MAX_EVENTS) { |
784d5858 TS |
1824 | dev_err(cs->dev, |
1825 | "infinite loop in process_events; aborting.\n"); | |
14fa73a7 HL |
1826 | } |
1827 | } | |
1828 | ||
1829 | /* tasklet scheduled on any event received from the Gigaset device | |
1830 | * parameter: | |
1831 | * data ISDN controller state structure | |
1832 | */ | |
1833 | void gigaset_handle_event(unsigned long data) | |
1834 | { | |
1835 | struct cardstate *cs = (struct cardstate *) data; | |
1836 | ||
14fa73a7 | 1837 | /* handle incoming data on control/common channel */ |
9d4bee2b | 1838 | if (cs->inbuf->head != cs->inbuf->tail) { |
784d5858 | 1839 | gig_dbg(DEBUG_INTR, "processing new data"); |
14fa73a7 HL |
1840 | cs->ops->handle_input(cs->inbuf); |
1841 | } | |
1842 | ||
1843 | process_events(cs); | |
1844 | } |