Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 25 | static int dial(int card, unsigned long channel, setup_parm setup); |
| 26 | static int hangup(int card, unsigned long channel); |
| 27 | static int answer(int card, unsigned long channel); |
| 28 | static int clreaz(int card, unsigned long channel); |
| 29 | static int seteaz(int card, unsigned long channel, char *); |
| 30 | static int setl2(int card, unsigned long arg); |
| 31 | static int setl3(int card, unsigned long arg); |
| 32 | static int acceptb(int card, unsigned long channel); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #ifdef DEBUG |
| 35 | /* |
| 36 | * Translate command codes to strings |
| 37 | */ |
| 38 | static char *commands[] = { "ISDN_CMD_IOCTL", |
| 39 | "ISDN_CMD_DIAL", |
| 40 | "ISDN_CMD_ACCEPTB", |
| 41 | "ISDN_CMD_ACCEPTB", |
| 42 | "ISDN_CMD_HANGUP", |
| 43 | "ISDN_CMD_CLREAZ", |
| 44 | "ISDN_CMD_SETEAZ", |
| 45 | NULL, |
| 46 | NULL, |
| 47 | NULL, |
| 48 | "ISDN_CMD_SETL2", |
| 49 | NULL, |
| 50 | "ISDN_CMD_SETL3", |
| 51 | NULL, |
| 52 | NULL, |
| 53 | NULL, |
| 54 | NULL, |
| 55 | NULL, }; |
| 56 | |
| 57 | /* |
| 58 | * Translates ISDN4Linux protocol codes to strings for debug messages |
| 59 | */ |
| 60 | static char *l3protos[] = { "ISDN_PROTO_L3_TRANS" }; |
| 61 | static char *l2protos[] = { "ISDN_PROTO_L2_X75I", |
| 62 | "ISDN_PROTO_L2_X75UI", |
| 63 | "ISDN_PROTO_L2_X75BUI", |
| 64 | "ISDN_PROTO_L2_HDLC", |
| 65 | "ISDN_PROTO_L2_TRANS" }; |
| 66 | #endif |
| 67 | |
| 68 | int get_card_from_id(int driver) |
| 69 | { |
| 70 | int i; |
| 71 | |
| 72 | for(i = 0 ; i < cinst ; i++) { |
| 73 | if(sc_adapter[i]->driverId == driver) |
| 74 | return i; |
| 75 | } |
| 76 | return -ENODEV; |
| 77 | } |
| 78 | |
| 79 | /* |
| 80 | * command |
| 81 | */ |
| 82 | |
| 83 | int command(isdn_ctrl *cmd) |
| 84 | { |
| 85 | int card; |
| 86 | |
| 87 | card = get_card_from_id(cmd->driver); |
| 88 | if(!IS_VALID_CARD(card)) { |
| 89 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 90 | return -ENODEV; |
| 91 | } |
| 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | /* |
| 94 | * Dispatch the command |
| 95 | */ |
| 96 | switch(cmd->command) { |
| 97 | case ISDN_CMD_IOCTL: |
| 98 | { |
| 99 | unsigned long cmdptr; |
| 100 | scs_ioctl ioc; |
| 101 | |
| 102 | memcpy(&cmdptr, cmd->parm.num, sizeof(unsigned long)); |
| 103 | if (copy_from_user(&ioc, (scs_ioctl __user *)cmdptr, |
| 104 | sizeof(scs_ioctl))) { |
Andrew Morton | 20f4353 | 2006-10-03 01:16:14 -0700 | [diff] [blame] | 105 | pr_debug("%s: Failed to verify user space 0x%lx\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | sc_adapter[card]->devicename, cmdptr); |
| 107 | return -EFAULT; |
| 108 | } |
| 109 | return sc_ioctl(card, &ioc); |
| 110 | } |
| 111 | case ISDN_CMD_DIAL: |
| 112 | return dial(card, cmd->arg, cmd->parm.setup); |
| 113 | case ISDN_CMD_HANGUP: |
| 114 | return hangup(card, cmd->arg); |
| 115 | case ISDN_CMD_ACCEPTD: |
| 116 | return answer(card, cmd->arg); |
| 117 | case ISDN_CMD_ACCEPTB: |
| 118 | return acceptb(card, cmd->arg); |
| 119 | case ISDN_CMD_CLREAZ: |
| 120 | return clreaz(card, cmd->arg); |
| 121 | case ISDN_CMD_SETEAZ: |
| 122 | return seteaz(card, cmd->arg, cmd->parm.num); |
| 123 | case ISDN_CMD_SETL2: |
| 124 | return setl2(card, cmd->arg); |
| 125 | case ISDN_CMD_SETL3: |
| 126 | return setl3(card, cmd->arg); |
| 127 | default: |
| 128 | return -EINVAL; |
| 129 | } |
| 130 | return 0; |
| 131 | } |
| 132 | |
| 133 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | * start the onboard firmware |
| 135 | */ |
| 136 | int startproc(int card) |
| 137 | { |
| 138 | int status; |
| 139 | |
| 140 | if(!IS_VALID_CARD(card)) { |
| 141 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 142 | return -ENODEV; |
| 143 | } |
| 144 | |
| 145 | /* |
| 146 | * send start msg |
| 147 | */ |
| 148 | status = sendmessage(card, CMPID,cmReqType2, |
| 149 | cmReqClass0, |
| 150 | cmReqStartProc, |
| 151 | 0,0,NULL); |
| 152 | pr_debug("%s: Sent startProc\n", sc_adapter[card]->devicename); |
| 153 | |
| 154 | return status; |
| 155 | } |
| 156 | |
| 157 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | /* |
| 159 | * Dials the number passed in |
| 160 | */ |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 161 | static int dial(int card, unsigned long channel, setup_parm setup) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | { |
| 163 | int status; |
| 164 | char Phone[48]; |
| 165 | |
| 166 | if(!IS_VALID_CARD(card)) { |
| 167 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 168 | return -ENODEV; |
| 169 | } |
| 170 | |
| 171 | /*extract ISDN number to dial from eaz/msn string*/ |
| 172 | strcpy(Phone,setup.phone); |
| 173 | |
| 174 | /*send the connection message*/ |
| 175 | status = sendmessage(card, CEPID,ceReqTypePhy, |
| 176 | ceReqClass1, |
| 177 | ceReqPhyConnect, |
| 178 | (unsigned char) channel+1, |
| 179 | strlen(Phone), |
| 180 | (unsigned int *) Phone); |
| 181 | |
Andrew Morton | 20f4353 | 2006-10-03 01:16:14 -0700 | [diff] [blame] | 182 | pr_debug("%s: Dialing %s on channel %lu\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | sc_adapter[card]->devicename, Phone, channel+1); |
| 184 | |
| 185 | return status; |
| 186 | } |
| 187 | |
| 188 | /* |
| 189 | * Answer an incoming call |
| 190 | */ |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 191 | static int answer(int card, unsigned long channel) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | { |
| 193 | if(!IS_VALID_CARD(card)) { |
| 194 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 195 | return -ENODEV; |
| 196 | } |
| 197 | |
Adrian Bunk | fc238b3 | 2007-02-12 00:53:18 -0800 | [diff] [blame] | 198 | if(setup_buffers(card, channel+1)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | hangup(card, channel+1); |
| 200 | return -ENOBUFS; |
| 201 | } |
| 202 | |
| 203 | indicate_status(card, ISDN_STAT_BCONN,channel,NULL); |
Andrew Morton | 20f4353 | 2006-10-03 01:16:14 -0700 | [diff] [blame] | 204 | pr_debug("%s: Answered incoming call on channel %lu\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | sc_adapter[card]->devicename, channel+1); |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | /* |
| 210 | * Hangup up the call on specified channel |
| 211 | */ |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 212 | static int hangup(int card, unsigned long channel) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | { |
| 214 | int status; |
| 215 | |
| 216 | if(!IS_VALID_CARD(card)) { |
| 217 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 218 | return -ENODEV; |
| 219 | } |
| 220 | |
| 221 | status = sendmessage(card, CEPID, ceReqTypePhy, |
| 222 | ceReqClass1, |
| 223 | ceReqPhyDisconnect, |
| 224 | (unsigned char) channel+1, |
| 225 | 0, |
| 226 | NULL); |
Andrew Morton | 20f4353 | 2006-10-03 01:16:14 -0700 | [diff] [blame] | 227 | pr_debug("%s: Sent HANGUP message to channel %lu\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | sc_adapter[card]->devicename, channel+1); |
| 229 | return status; |
| 230 | } |
| 231 | |
| 232 | /* |
| 233 | * Set the layer 2 protocol (X.25, HDLC, Raw) |
| 234 | */ |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 235 | static int setl2(int card, unsigned long arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | { |
| 237 | int status =0; |
| 238 | int protocol,channel; |
| 239 | |
| 240 | if(!IS_VALID_CARD(card)) { |
| 241 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 242 | return -ENODEV; |
| 243 | } |
| 244 | protocol = arg >> 8; |
| 245 | channel = arg & 0xff; |
| 246 | sc_adapter[card]->channel[channel].l2_proto = protocol; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | |
| 248 | /* |
| 249 | * check that the adapter is also set to the correct protocol |
| 250 | */ |
| 251 | pr_debug("%s: Sending GetFrameFormat for channel %d\n", |
| 252 | sc_adapter[card]->devicename, channel+1); |
| 253 | status = sendmessage(card, CEPID, ceReqTypeCall, |
| 254 | ceReqClass0, |
| 255 | ceReqCallGetFrameFormat, |
| 256 | (unsigned char)channel+1, |
| 257 | 1, |
| 258 | (unsigned int *) protocol); |
| 259 | if(status) |
| 260 | return status; |
| 261 | return 0; |
| 262 | } |
| 263 | |
| 264 | /* |
| 265 | * Set the layer 3 protocol |
| 266 | */ |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 267 | static int setl3(int card, unsigned long channel) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | { |
| 269 | int protocol = channel >> 8; |
| 270 | |
| 271 | if(!IS_VALID_CARD(card)) { |
| 272 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 273 | return -ENODEV; |
| 274 | } |
| 275 | |
| 276 | sc_adapter[card]->channel[channel].l3_proto = protocol; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | return 0; |
| 278 | } |
| 279 | |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 280 | static int acceptb(int card, unsigned long channel) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | { |
| 282 | if(!IS_VALID_CARD(card)) { |
| 283 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 284 | return -ENODEV; |
| 285 | } |
| 286 | |
Adrian Bunk | fc238b3 | 2007-02-12 00:53:18 -0800 | [diff] [blame] | 287 | if(setup_buffers(card, channel+1)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | { |
| 289 | hangup(card, channel+1); |
| 290 | return -ENOBUFS; |
| 291 | } |
| 292 | |
Andrew Morton | 20f4353 | 2006-10-03 01:16:14 -0700 | [diff] [blame] | 293 | pr_debug("%s: B-Channel connection accepted on channel %lu\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | sc_adapter[card]->devicename, channel+1); |
| 295 | indicate_status(card, ISDN_STAT_BCONN, channel, NULL); |
| 296 | return 0; |
| 297 | } |
| 298 | |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 299 | static int clreaz(int card, unsigned long arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | { |
| 301 | if(!IS_VALID_CARD(card)) { |
| 302 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 303 | return -ENODEV; |
| 304 | } |
| 305 | |
| 306 | strcpy(sc_adapter[card]->channel[arg].eazlist, ""); |
| 307 | sc_adapter[card]->channel[arg].eazclear = 1; |
Andrew Morton | 20f4353 | 2006-10-03 01:16:14 -0700 | [diff] [blame] | 308 | pr_debug("%s: EAZ List cleared for channel %lu\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | sc_adapter[card]->devicename, arg+1); |
| 310 | return 0; |
| 311 | } |
| 312 | |
Adrian Bunk | e3ca5e7 | 2005-06-25 14:58:34 -0700 | [diff] [blame] | 313 | static int seteaz(int card, unsigned long arg, char *num) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | { |
| 315 | if(!IS_VALID_CARD(card)) { |
| 316 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 317 | return -ENODEV; |
| 318 | } |
| 319 | |
| 320 | strcpy(sc_adapter[card]->channel[arg].eazlist, num); |
| 321 | sc_adapter[card]->channel[arg].eazclear = 0; |
Andrew Morton | 20f4353 | 2006-10-03 01:16:14 -0700 | [diff] [blame] | 322 | pr_debug("%s: EAZ list for channel %lu set to: %s\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | sc_adapter[card]->devicename, arg+1, |
| 324 | sc_adapter[card]->channel[arg].eazlist); |
| 325 | return 0; |
| 326 | } |
| 327 | |
| 328 | int reset(int card) |
| 329 | { |
| 330 | unsigned long flags; |
| 331 | |
| 332 | if(!IS_VALID_CARD(card)) { |
| 333 | pr_debug("Invalid param: %d is not a valid card id\n", card); |
| 334 | return -ENODEV; |
| 335 | } |
| 336 | |
| 337 | indicate_status(card, ISDN_STAT_STOP, 0, NULL); |
| 338 | |
| 339 | if(sc_adapter[card]->EngineUp) { |
| 340 | del_timer(&sc_adapter[card]->stat_timer); |
| 341 | } |
| 342 | |
| 343 | sc_adapter[card]->EngineUp = 0; |
| 344 | |
| 345 | spin_lock_irqsave(&sc_adapter[card]->lock, flags); |
| 346 | init_timer(&sc_adapter[card]->reset_timer); |
| 347 | sc_adapter[card]->reset_timer.function = check_reset; |
| 348 | sc_adapter[card]->reset_timer.data = card; |
| 349 | sc_adapter[card]->reset_timer.expires = jiffies + CHECKRESET_TIME; |
| 350 | add_timer(&sc_adapter[card]->reset_timer); |
| 351 | spin_unlock_irqrestore(&sc_adapter[card]->lock, flags); |
| 352 | |
| 353 | outb(0x1,sc_adapter[card]->ioport[SFT_RESET]); |
| 354 | |
| 355 | pr_debug("%s: Adapter Reset\n", sc_adapter[card]->devicename); |
| 356 | return 0; |
| 357 | } |
| 358 | |
| 359 | void flushreadfifo (int card) |
| 360 | { |
| 361 | while(inb(sc_adapter[card]->ioport[FIFO_STATUS]) & RF_HAS_DATA) |
| 362 | inb(sc_adapter[card]->ioport[FIFO_READ]); |
| 363 | } |