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1da177e4 LT |
1 | /* $Id: command.c,v 1.4.10.1 2001/09/23 22:24:59 kai Exp $ |
2 | * | |
3 | * Copyright (C) 1996 SpellCaster Telecommunications Inc. | |
4 | * | |
5 | * This software may be used and distributed according to the terms | |
6 | * of the GNU General Public License, incorporated herein by reference. | |
7 | * | |
8 | * For more information, please contact gpl-info@spellcast.com or write: | |
9 | * | |
10 | * SpellCaster Telecommunications Inc. | |
11 | * 5621 Finch Avenue East, Unit #3 | |
12 | * Scarborough, Ontario Canada | |
13 | * M1B 2T9 | |
14 | * +1 (416) 297-8565 | |
15 | * +1 (416) 297-6433 Facsimile | |
16 | */ | |
17 | ||
18 | #include <linux/module.h> | |
19 | #include "includes.h" /* This must be first */ | |
20 | #include "hardware.h" | |
21 | #include "message.h" | |
22 | #include "card.h" | |
23 | #include "scioc.h" | |
24 | ||
25 | int dial(int card, unsigned long channel, setup_parm setup); | |
26 | int hangup(int card, unsigned long channel); | |
27 | int answer(int card, unsigned long channel); | |
28 | int clreaz(int card, unsigned long channel); | |
29 | int seteaz(int card, unsigned long channel, char *); | |
30 | int setl2(int card, unsigned long arg); | |
31 | int setl3(int card, unsigned long arg); | |
32 | int acceptb(int card, unsigned long channel); | |
33 | ||
34 | extern int cinst; | |
35 | extern board *sc_adapter[]; | |
36 | ||
37 | extern int sc_ioctl(int, scs_ioctl *); | |
38 | extern int setup_buffers(int, int, unsigned int); | |
39 | extern int indicate_status(int, int,ulong,char*); | |
40 | extern void check_reset(unsigned long); | |
41 | extern int send_and_receive(int, unsigned int, unsigned char, unsigned char, | |
42 | unsigned char, unsigned char, unsigned char, unsigned char *, | |
43 | RspMessage *, int); | |
44 | extern int sendmessage(int, unsigned int, unsigned int, unsigned int, | |
45 | unsigned int, unsigned int, unsigned int, unsigned int *); | |
46 | extern inline void pullphone(char *, char *); | |
47 | ||
48 | #ifdef DEBUG | |
49 | /* | |
50 | * Translate command codes to strings | |
51 | */ | |
52 | static char *commands[] = { "ISDN_CMD_IOCTL", | |
53 | "ISDN_CMD_DIAL", | |
54 | "ISDN_CMD_ACCEPTB", | |
55 | "ISDN_CMD_ACCEPTB", | |
56 | "ISDN_CMD_HANGUP", | |
57 | "ISDN_CMD_CLREAZ", | |
58 | "ISDN_CMD_SETEAZ", | |
59 | NULL, | |
60 | NULL, | |
61 | NULL, | |
62 | "ISDN_CMD_SETL2", | |
63 | NULL, | |
64 | "ISDN_CMD_SETL3", | |
65 | NULL, | |
66 | NULL, | |
67 | NULL, | |
68 | NULL, | |
69 | NULL, }; | |
70 | ||
71 | /* | |
72 | * Translates ISDN4Linux protocol codes to strings for debug messages | |
73 | */ | |
74 | static char *l3protos[] = { "ISDN_PROTO_L3_TRANS" }; | |
75 | static char *l2protos[] = { "ISDN_PROTO_L2_X75I", | |
76 | "ISDN_PROTO_L2_X75UI", | |
77 | "ISDN_PROTO_L2_X75BUI", | |
78 | "ISDN_PROTO_L2_HDLC", | |
79 | "ISDN_PROTO_L2_TRANS" }; | |
80 | #endif | |
81 | ||
82 | int get_card_from_id(int driver) | |
83 | { | |
84 | int i; | |
85 | ||
86 | for(i = 0 ; i < cinst ; i++) { | |
87 | if(sc_adapter[i]->driverId == driver) | |
88 | return i; | |
89 | } | |
90 | return -ENODEV; | |
91 | } | |
92 | ||
93 | /* | |
94 | * command | |
95 | */ | |
96 | ||
97 | int command(isdn_ctrl *cmd) | |
98 | { | |
99 | int card; | |
100 | ||
101 | card = get_card_from_id(cmd->driver); | |
102 | if(!IS_VALID_CARD(card)) { | |
103 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
104 | return -ENODEV; | |
105 | } | |
106 | ||
107 | pr_debug("%s: Received %s command from Link Layer\n", | |
108 | sc_adapter[card]->devicename, commands[cmd->command]); | |
109 | ||
110 | /* | |
111 | * Dispatch the command | |
112 | */ | |
113 | switch(cmd->command) { | |
114 | case ISDN_CMD_IOCTL: | |
115 | { | |
116 | unsigned long cmdptr; | |
117 | scs_ioctl ioc; | |
118 | ||
119 | memcpy(&cmdptr, cmd->parm.num, sizeof(unsigned long)); | |
120 | if (copy_from_user(&ioc, (scs_ioctl __user *)cmdptr, | |
121 | sizeof(scs_ioctl))) { | |
122 | pr_debug("%s: Failed to verify user space 0x%x\n", | |
123 | sc_adapter[card]->devicename, cmdptr); | |
124 | return -EFAULT; | |
125 | } | |
126 | return sc_ioctl(card, &ioc); | |
127 | } | |
128 | case ISDN_CMD_DIAL: | |
129 | return dial(card, cmd->arg, cmd->parm.setup); | |
130 | case ISDN_CMD_HANGUP: | |
131 | return hangup(card, cmd->arg); | |
132 | case ISDN_CMD_ACCEPTD: | |
133 | return answer(card, cmd->arg); | |
134 | case ISDN_CMD_ACCEPTB: | |
135 | return acceptb(card, cmd->arg); | |
136 | case ISDN_CMD_CLREAZ: | |
137 | return clreaz(card, cmd->arg); | |
138 | case ISDN_CMD_SETEAZ: | |
139 | return seteaz(card, cmd->arg, cmd->parm.num); | |
140 | case ISDN_CMD_SETL2: | |
141 | return setl2(card, cmd->arg); | |
142 | case ISDN_CMD_SETL3: | |
143 | return setl3(card, cmd->arg); | |
144 | default: | |
145 | return -EINVAL; | |
146 | } | |
147 | return 0; | |
148 | } | |
149 | ||
150 | /* | |
151 | * Confirm our ability to communicate with the board. This test assumes no | |
152 | * other message activity is present | |
153 | */ | |
154 | int loopback(int card) | |
155 | { | |
156 | ||
157 | int status; | |
158 | static char testmsg[] = "Test Message"; | |
159 | RspMessage rspmsg; | |
160 | ||
161 | if(!IS_VALID_CARD(card)) { | |
162 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
163 | return -ENODEV; | |
164 | } | |
165 | ||
166 | pr_debug("%s: Sending loopback message\n", | |
167 | sc_adapter[card]->devicename); | |
168 | ||
169 | /* | |
170 | * Send the loopback message to confirm that memory transfer is | |
171 | * operational | |
172 | */ | |
173 | status = send_and_receive(card, CMPID, cmReqType1, | |
174 | cmReqClass0, | |
175 | cmReqMsgLpbk, | |
176 | 0, | |
177 | (unsigned char) strlen(testmsg), | |
178 | (unsigned char *)testmsg, | |
179 | &rspmsg, SAR_TIMEOUT); | |
180 | ||
181 | ||
182 | if (!status) { | |
183 | pr_debug("%s: Loopback message successfully sent\n", | |
184 | sc_adapter[card]->devicename); | |
185 | if(strcmp(rspmsg.msg_data.byte_array, testmsg)) { | |
186 | pr_debug("%s: Loopback return != sent\n", | |
187 | sc_adapter[card]->devicename); | |
188 | return -EIO; | |
189 | } | |
190 | return 0; | |
191 | } | |
192 | else { | |
193 | pr_debug("%s: Send loopback message failed\n", | |
194 | sc_adapter[card]->devicename); | |
195 | return -EIO; | |
196 | } | |
197 | ||
198 | } | |
199 | ||
200 | /* | |
201 | * start the onboard firmware | |
202 | */ | |
203 | int startproc(int card) | |
204 | { | |
205 | int status; | |
206 | ||
207 | if(!IS_VALID_CARD(card)) { | |
208 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
209 | return -ENODEV; | |
210 | } | |
211 | ||
212 | /* | |
213 | * send start msg | |
214 | */ | |
215 | status = sendmessage(card, CMPID,cmReqType2, | |
216 | cmReqClass0, | |
217 | cmReqStartProc, | |
218 | 0,0,NULL); | |
219 | pr_debug("%s: Sent startProc\n", sc_adapter[card]->devicename); | |
220 | ||
221 | return status; | |
222 | } | |
223 | ||
224 | ||
225 | int loadproc(int card, char *data) | |
226 | { | |
227 | return -1; | |
228 | } | |
229 | ||
230 | ||
231 | /* | |
232 | * Dials the number passed in | |
233 | */ | |
234 | int dial(int card, unsigned long channel, setup_parm setup) | |
235 | { | |
236 | int status; | |
237 | char Phone[48]; | |
238 | ||
239 | if(!IS_VALID_CARD(card)) { | |
240 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
241 | return -ENODEV; | |
242 | } | |
243 | ||
244 | /*extract ISDN number to dial from eaz/msn string*/ | |
245 | strcpy(Phone,setup.phone); | |
246 | ||
247 | /*send the connection message*/ | |
248 | status = sendmessage(card, CEPID,ceReqTypePhy, | |
249 | ceReqClass1, | |
250 | ceReqPhyConnect, | |
251 | (unsigned char) channel+1, | |
252 | strlen(Phone), | |
253 | (unsigned int *) Phone); | |
254 | ||
255 | pr_debug("%s: Dialing %s on channel %d\n", | |
256 | sc_adapter[card]->devicename, Phone, channel+1); | |
257 | ||
258 | return status; | |
259 | } | |
260 | ||
261 | /* | |
262 | * Answer an incoming call | |
263 | */ | |
264 | int answer(int card, unsigned long channel) | |
265 | { | |
266 | if(!IS_VALID_CARD(card)) { | |
267 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
268 | return -ENODEV; | |
269 | } | |
270 | ||
271 | if(setup_buffers(card, channel+1, BUFFER_SIZE)) { | |
272 | hangup(card, channel+1); | |
273 | return -ENOBUFS; | |
274 | } | |
275 | ||
276 | indicate_status(card, ISDN_STAT_BCONN,channel,NULL); | |
277 | pr_debug("%s: Answered incoming call on channel %s\n", | |
278 | sc_adapter[card]->devicename, channel+1); | |
279 | return 0; | |
280 | } | |
281 | ||
282 | /* | |
283 | * Hangup up the call on specified channel | |
284 | */ | |
285 | int hangup(int card, unsigned long channel) | |
286 | { | |
287 | int status; | |
288 | ||
289 | if(!IS_VALID_CARD(card)) { | |
290 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
291 | return -ENODEV; | |
292 | } | |
293 | ||
294 | status = sendmessage(card, CEPID, ceReqTypePhy, | |
295 | ceReqClass1, | |
296 | ceReqPhyDisconnect, | |
297 | (unsigned char) channel+1, | |
298 | 0, | |
299 | NULL); | |
300 | pr_debug("%s: Sent HANGUP message to channel %d\n", | |
301 | sc_adapter[card]->devicename, channel+1); | |
302 | return status; | |
303 | } | |
304 | ||
305 | /* | |
306 | * Set the layer 2 protocol (X.25, HDLC, Raw) | |
307 | */ | |
308 | int setl2(int card, unsigned long arg) | |
309 | { | |
310 | int status =0; | |
311 | int protocol,channel; | |
312 | ||
313 | if(!IS_VALID_CARD(card)) { | |
314 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
315 | return -ENODEV; | |
316 | } | |
317 | protocol = arg >> 8; | |
318 | channel = arg & 0xff; | |
319 | sc_adapter[card]->channel[channel].l2_proto = protocol; | |
320 | pr_debug("%s: Level 2 protocol for channel %d set to %s from %d\n", | |
321 | sc_adapter[card]->devicename, channel+1, | |
322 | l2protos[sc_adapter[card]->channel[channel].l2_proto],protocol); | |
323 | ||
324 | /* | |
325 | * check that the adapter is also set to the correct protocol | |
326 | */ | |
327 | pr_debug("%s: Sending GetFrameFormat for channel %d\n", | |
328 | sc_adapter[card]->devicename, channel+1); | |
329 | status = sendmessage(card, CEPID, ceReqTypeCall, | |
330 | ceReqClass0, | |
331 | ceReqCallGetFrameFormat, | |
332 | (unsigned char)channel+1, | |
333 | 1, | |
334 | (unsigned int *) protocol); | |
335 | if(status) | |
336 | return status; | |
337 | return 0; | |
338 | } | |
339 | ||
340 | /* | |
341 | * Set the layer 3 protocol | |
342 | */ | |
343 | int setl3(int card, unsigned long channel) | |
344 | { | |
345 | int protocol = channel >> 8; | |
346 | ||
347 | if(!IS_VALID_CARD(card)) { | |
348 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
349 | return -ENODEV; | |
350 | } | |
351 | ||
352 | sc_adapter[card]->channel[channel].l3_proto = protocol; | |
353 | pr_debug("%s: Level 3 protocol for channel %d set to %s\n", | |
354 | sc_adapter[card]->devicename, channel+1, l3protos[protocol]); | |
355 | return 0; | |
356 | } | |
357 | ||
358 | int acceptb(int card, unsigned long channel) | |
359 | { | |
360 | if(!IS_VALID_CARD(card)) { | |
361 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
362 | return -ENODEV; | |
363 | } | |
364 | ||
365 | if(setup_buffers(card, channel+1, BUFFER_SIZE)) | |
366 | { | |
367 | hangup(card, channel+1); | |
368 | return -ENOBUFS; | |
369 | } | |
370 | ||
371 | pr_debug("%s: B-Channel connection accepted on channel %d\n", | |
372 | sc_adapter[card]->devicename, channel+1); | |
373 | indicate_status(card, ISDN_STAT_BCONN, channel, NULL); | |
374 | return 0; | |
375 | } | |
376 | ||
377 | int clreaz(int card, unsigned long arg) | |
378 | { | |
379 | if(!IS_VALID_CARD(card)) { | |
380 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
381 | return -ENODEV; | |
382 | } | |
383 | ||
384 | strcpy(sc_adapter[card]->channel[arg].eazlist, ""); | |
385 | sc_adapter[card]->channel[arg].eazclear = 1; | |
386 | pr_debug("%s: EAZ List cleared for channel %d\n", | |
387 | sc_adapter[card]->devicename, arg+1); | |
388 | return 0; | |
389 | } | |
390 | ||
391 | int seteaz(int card, unsigned long arg, char *num) | |
392 | { | |
393 | if(!IS_VALID_CARD(card)) { | |
394 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
395 | return -ENODEV; | |
396 | } | |
397 | ||
398 | strcpy(sc_adapter[card]->channel[arg].eazlist, num); | |
399 | sc_adapter[card]->channel[arg].eazclear = 0; | |
400 | pr_debug("%s: EAZ list for channel %d set to: %s\n", | |
401 | sc_adapter[card]->devicename, arg+1, | |
402 | sc_adapter[card]->channel[arg].eazlist); | |
403 | return 0; | |
404 | } | |
405 | ||
406 | int reset(int card) | |
407 | { | |
408 | unsigned long flags; | |
409 | ||
410 | if(!IS_VALID_CARD(card)) { | |
411 | pr_debug("Invalid param: %d is not a valid card id\n", card); | |
412 | return -ENODEV; | |
413 | } | |
414 | ||
415 | indicate_status(card, ISDN_STAT_STOP, 0, NULL); | |
416 | ||
417 | if(sc_adapter[card]->EngineUp) { | |
418 | del_timer(&sc_adapter[card]->stat_timer); | |
419 | } | |
420 | ||
421 | sc_adapter[card]->EngineUp = 0; | |
422 | ||
423 | spin_lock_irqsave(&sc_adapter[card]->lock, flags); | |
424 | init_timer(&sc_adapter[card]->reset_timer); | |
425 | sc_adapter[card]->reset_timer.function = check_reset; | |
426 | sc_adapter[card]->reset_timer.data = card; | |
427 | sc_adapter[card]->reset_timer.expires = jiffies + CHECKRESET_TIME; | |
428 | add_timer(&sc_adapter[card]->reset_timer); | |
429 | spin_unlock_irqrestore(&sc_adapter[card]->lock, flags); | |
430 | ||
431 | outb(0x1,sc_adapter[card]->ioport[SFT_RESET]); | |
432 | ||
433 | pr_debug("%s: Adapter Reset\n", sc_adapter[card]->devicename); | |
434 | return 0; | |
435 | } | |
436 | ||
437 | void flushreadfifo (int card) | |
438 | { | |
439 | while(inb(sc_adapter[card]->ioport[FIFO_STATUS]) & RF_HAS_DATA) | |
440 | inb(sc_adapter[card]->ioport[FIFO_READ]); | |
441 | } |