Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: kcapi.c,v 1.1.2.8 2004/03/26 19:57:20 armin Exp $ |
| 2 | * |
| 3 | * Kernel CAPI 2.0 Module |
| 4 | * |
| 5 | * Copyright 1999 by Carsten Paeth <calle@calle.de> |
| 6 | * Copyright 2002 by Kai Germaschewski <kai@germaschewski.name> |
| 7 | * |
| 8 | * This software may be used and distributed according to the terms |
| 9 | * of the GNU General Public License, incorporated herein by reference. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #define CONFIG_AVMB1_COMPAT |
| 14 | |
| 15 | #include "kcapi.h" |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/mm.h> |
| 18 | #include <linux/interrupt.h> |
| 19 | #include <linux/ioport.h> |
| 20 | #include <linux/proc_fs.h> |
| 21 | #include <linux/seq_file.h> |
| 22 | #include <linux/skbuff.h> |
| 23 | #include <linux/workqueue.h> |
| 24 | #include <linux/capi.h> |
| 25 | #include <linux/kernelcapi.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/moduleparam.h> |
| 28 | #include <linux/delay.h> |
| 29 | #include <asm/uaccess.h> |
| 30 | #include <linux/isdn/capicmd.h> |
| 31 | #include <linux/isdn/capiutil.h> |
| 32 | #ifdef CONFIG_AVMB1_COMPAT |
| 33 | #include <linux/b1lli.h> |
| 34 | #endif |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 35 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
| 37 | static char *revision = "$Revision: 1.1.2.8 $"; |
| 38 | |
| 39 | /* ------------------------------------------------------------- */ |
| 40 | |
| 41 | static int showcapimsgs = 0; |
| 42 | |
| 43 | MODULE_DESCRIPTION("CAPI4Linux: kernel CAPI layer"); |
| 44 | MODULE_AUTHOR("Carsten Paeth"); |
| 45 | MODULE_LICENSE("GPL"); |
| 46 | module_param(showcapimsgs, uint, 0); |
| 47 | |
| 48 | /* ------------------------------------------------------------- */ |
| 49 | |
| 50 | struct capi_notifier { |
| 51 | struct work_struct work; |
| 52 | unsigned int cmd; |
| 53 | u32 controller; |
| 54 | u16 applid; |
| 55 | u32 ncci; |
| 56 | }; |
| 57 | |
| 58 | /* ------------------------------------------------------------- */ |
| 59 | |
| 60 | static struct capi_version driver_version = {2, 0, 1, 1<<4}; |
| 61 | static char driver_serial[CAPI_SERIAL_LEN] = "0004711"; |
| 62 | static char capi_manufakturer[64] = "AVM Berlin"; |
| 63 | |
| 64 | #define NCCI2CTRL(ncci) (((ncci) >> 24) & 0x7f) |
| 65 | |
| 66 | LIST_HEAD(capi_drivers); |
| 67 | DEFINE_RWLOCK(capi_drivers_list_lock); |
| 68 | |
| 69 | static DEFINE_RWLOCK(application_lock); |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 70 | static DEFINE_MUTEX(controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
| 72 | struct capi20_appl *capi_applications[CAPI_MAXAPPL]; |
| 73 | struct capi_ctr *capi_cards[CAPI_MAXCONTR]; |
| 74 | |
| 75 | static int ncards; |
| 76 | |
| 77 | /* -------- controller ref counting -------------------------------------- */ |
| 78 | |
| 79 | static inline struct capi_ctr * |
| 80 | capi_ctr_get(struct capi_ctr *card) |
| 81 | { |
| 82 | if (!try_module_get(card->owner)) |
| 83 | return NULL; |
| 84 | return card; |
| 85 | } |
| 86 | |
| 87 | static inline void |
| 88 | capi_ctr_put(struct capi_ctr *card) |
| 89 | { |
| 90 | module_put(card->owner); |
| 91 | } |
| 92 | |
| 93 | /* ------------------------------------------------------------- */ |
| 94 | |
| 95 | static inline struct capi_ctr *get_capi_ctr_by_nr(u16 contr) |
| 96 | { |
| 97 | if (contr - 1 >= CAPI_MAXCONTR) |
| 98 | return NULL; |
| 99 | |
| 100 | return capi_cards[contr - 1]; |
| 101 | } |
| 102 | |
| 103 | static inline struct capi20_appl *get_capi_appl_by_nr(u16 applid) |
| 104 | { |
| 105 | if (applid - 1 >= CAPI_MAXAPPL) |
| 106 | return NULL; |
| 107 | |
| 108 | return capi_applications[applid - 1]; |
| 109 | } |
| 110 | |
| 111 | /* -------- util functions ------------------------------------ */ |
| 112 | |
| 113 | static inline int capi_cmd_valid(u8 cmd) |
| 114 | { |
| 115 | switch (cmd) { |
| 116 | case CAPI_ALERT: |
| 117 | case CAPI_CONNECT: |
| 118 | case CAPI_CONNECT_ACTIVE: |
| 119 | case CAPI_CONNECT_B3_ACTIVE: |
| 120 | case CAPI_CONNECT_B3: |
| 121 | case CAPI_CONNECT_B3_T90_ACTIVE: |
| 122 | case CAPI_DATA_B3: |
| 123 | case CAPI_DISCONNECT_B3: |
| 124 | case CAPI_DISCONNECT: |
| 125 | case CAPI_FACILITY: |
| 126 | case CAPI_INFO: |
| 127 | case CAPI_LISTEN: |
| 128 | case CAPI_MANUFACTURER: |
| 129 | case CAPI_RESET_B3: |
| 130 | case CAPI_SELECT_B_PROTOCOL: |
| 131 | return 1; |
| 132 | } |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | static inline int capi_subcmd_valid(u8 subcmd) |
| 137 | { |
| 138 | switch (subcmd) { |
| 139 | case CAPI_REQ: |
| 140 | case CAPI_CONF: |
| 141 | case CAPI_IND: |
| 142 | case CAPI_RESP: |
| 143 | return 1; |
| 144 | } |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | /* ------------------------------------------------------------ */ |
| 149 | |
| 150 | static void register_appl(struct capi_ctr *card, u16 applid, capi_register_params *rparam) |
| 151 | { |
| 152 | card = capi_ctr_get(card); |
| 153 | |
| 154 | if (card) |
| 155 | card->register_appl(card, applid, rparam); |
| 156 | else |
| 157 | printk(KERN_WARNING "%s: cannot get card resources\n", __FUNCTION__); |
| 158 | } |
| 159 | |
| 160 | |
| 161 | static void release_appl(struct capi_ctr *card, u16 applid) |
| 162 | { |
| 163 | DBG("applid %#x", applid); |
| 164 | |
| 165 | card->release_appl(card, applid); |
| 166 | capi_ctr_put(card); |
| 167 | } |
| 168 | |
| 169 | /* -------- KCI_CONTRUP --------------------------------------- */ |
| 170 | |
| 171 | static void notify_up(u32 contr) |
| 172 | { |
| 173 | struct capi_ctr *card = get_capi_ctr_by_nr(contr); |
| 174 | struct capi20_appl *ap; |
| 175 | u16 applid; |
| 176 | |
| 177 | if (showcapimsgs & 1) { |
| 178 | printk(KERN_DEBUG "kcapi: notify up contr %d\n", contr); |
| 179 | } |
| 180 | if (!card) { |
| 181 | printk(KERN_WARNING "%s: invalid contr %d\n", __FUNCTION__, contr); |
| 182 | return; |
| 183 | } |
| 184 | for (applid = 1; applid <= CAPI_MAXAPPL; applid++) { |
| 185 | ap = get_capi_appl_by_nr(applid); |
| 186 | if (!ap || ap->release_in_progress) continue; |
| 187 | register_appl(card, applid, &ap->rparam); |
| 188 | if (ap->callback && !ap->release_in_progress) |
| 189 | ap->callback(KCI_CONTRUP, contr, &card->profile); |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | /* -------- KCI_CONTRDOWN ------------------------------------- */ |
| 194 | |
| 195 | static void notify_down(u32 contr) |
| 196 | { |
| 197 | struct capi20_appl *ap; |
| 198 | u16 applid; |
| 199 | |
| 200 | if (showcapimsgs & 1) { |
| 201 | printk(KERN_DEBUG "kcapi: notify down contr %d\n", contr); |
| 202 | } |
| 203 | |
| 204 | for (applid = 1; applid <= CAPI_MAXAPPL; applid++) { |
| 205 | ap = get_capi_appl_by_nr(applid); |
| 206 | if (ap && ap->callback && !ap->release_in_progress) |
| 207 | ap->callback(KCI_CONTRDOWN, contr, NULL); |
| 208 | } |
| 209 | } |
| 210 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 211 | static void notify_handler(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 213 | struct capi_notifier *np = |
| 214 | container_of(work, struct capi_notifier, work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | |
| 216 | switch (np->cmd) { |
| 217 | case KCI_CONTRUP: |
| 218 | notify_up(np->controller); |
| 219 | break; |
| 220 | case KCI_CONTRDOWN: |
| 221 | notify_down(np->controller); |
| 222 | break; |
| 223 | } |
| 224 | |
| 225 | kfree(np); |
| 226 | } |
| 227 | |
| 228 | /* |
| 229 | * The notifier will result in adding/deleteing of devices. Devices can |
| 230 | * only removed in user process, not in bh. |
| 231 | */ |
| 232 | static int notify_push(unsigned int cmd, u32 controller, u16 applid, u32 ncci) |
| 233 | { |
| 234 | struct capi_notifier *np = kmalloc(sizeof(*np), GFP_ATOMIC); |
| 235 | |
| 236 | if (!np) |
| 237 | return -ENOMEM; |
| 238 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 239 | INIT_WORK(&np->work, notify_handler); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | np->cmd = cmd; |
| 241 | np->controller = controller; |
| 242 | np->applid = applid; |
| 243 | np->ncci = ncci; |
| 244 | |
| 245 | schedule_work(&np->work); |
| 246 | return 0; |
| 247 | } |
| 248 | |
| 249 | |
| 250 | /* -------- Receiver ------------------------------------------ */ |
| 251 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 252 | static void recv_handler(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | { |
| 254 | struct sk_buff *skb; |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 255 | struct capi20_appl *ap = |
| 256 | container_of(work, struct capi20_appl, recv_work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | |
| 258 | if ((!ap) || (ap->release_in_progress)) |
| 259 | return; |
| 260 | |
Matthias Kaehlcke | 67837f2 | 2007-07-17 04:04:16 -0700 | [diff] [blame] | 261 | mutex_lock(&ap->recv_mtx); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | while ((skb = skb_dequeue(&ap->recv_queue))) { |
| 263 | if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_IND) |
| 264 | ap->nrecvdatapkt++; |
| 265 | else |
| 266 | ap->nrecvctlpkt++; |
| 267 | |
| 268 | ap->recv_message(ap, skb); |
| 269 | } |
Matthias Kaehlcke | 67837f2 | 2007-07-17 04:04:16 -0700 | [diff] [blame] | 270 | mutex_unlock(&ap->recv_mtx); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | void capi_ctr_handle_message(struct capi_ctr * card, u16 appl, struct sk_buff *skb) |
| 274 | { |
| 275 | struct capi20_appl *ap; |
| 276 | int showctl = 0; |
| 277 | u8 cmd, subcmd; |
| 278 | unsigned long flags; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 279 | _cdebbuf *cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | |
| 281 | if (card->cardstate != CARD_RUNNING) { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 282 | cdb = capi_message2str(skb->data); |
| 283 | if (cdb) { |
| 284 | printk(KERN_INFO "kcapi: controller [%03d] not active, got: %s", |
| 285 | card->cnr, cdb->buf); |
| 286 | cdebbuf_free(cdb); |
| 287 | } else |
| 288 | printk(KERN_INFO "kcapi: controller [%03d] not active, cannot trace\n", |
| 289 | card->cnr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | goto error; |
| 291 | } |
| 292 | |
| 293 | cmd = CAPIMSG_COMMAND(skb->data); |
| 294 | subcmd = CAPIMSG_SUBCOMMAND(skb->data); |
| 295 | if (cmd == CAPI_DATA_B3 && subcmd == CAPI_IND) { |
| 296 | card->nrecvdatapkt++; |
| 297 | if (card->traceflag > 2) showctl |= 2; |
| 298 | } else { |
| 299 | card->nrecvctlpkt++; |
| 300 | if (card->traceflag) showctl |= 2; |
| 301 | } |
| 302 | showctl |= (card->traceflag & 1); |
| 303 | if (showctl & 2) { |
| 304 | if (showctl & 1) { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 305 | printk(KERN_DEBUG "kcapi: got [%03d] id#%d %s len=%u\n", |
| 306 | card->cnr, CAPIMSG_APPID(skb->data), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | capi_cmd2str(cmd, subcmd), |
| 308 | CAPIMSG_LEN(skb->data)); |
| 309 | } else { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 310 | cdb = capi_message2str(skb->data); |
| 311 | if (cdb) { |
| 312 | printk(KERN_DEBUG "kcapi: got [%03d] %s\n", |
| 313 | card->cnr, cdb->buf); |
| 314 | cdebbuf_free(cdb); |
| 315 | } else |
| 316 | printk(KERN_DEBUG "kcapi: got [%03d] id#%d %s len=%u, cannot trace\n", |
| 317 | card->cnr, CAPIMSG_APPID(skb->data), |
| 318 | capi_cmd2str(cmd, subcmd), |
| 319 | CAPIMSG_LEN(skb->data)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | } |
| 323 | |
| 324 | read_lock_irqsave(&application_lock, flags); |
| 325 | ap = get_capi_appl_by_nr(CAPIMSG_APPID(skb->data)); |
| 326 | if ((!ap) || (ap->release_in_progress)) { |
| 327 | read_unlock_irqrestore(&application_lock, flags); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 328 | cdb = capi_message2str(skb->data); |
| 329 | if (cdb) { |
| 330 | printk(KERN_ERR "kcapi: handle_message: applid %d state released (%s)\n", |
| 331 | CAPIMSG_APPID(skb->data), cdb->buf); |
| 332 | cdebbuf_free(cdb); |
| 333 | } else |
| 334 | printk(KERN_ERR "kcapi: handle_message: applid %d state released (%s) cannot trace\n", |
| 335 | CAPIMSG_APPID(skb->data), |
| 336 | capi_cmd2str(cmd, subcmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | goto error; |
| 338 | } |
| 339 | skb_queue_tail(&ap->recv_queue, skb); |
| 340 | schedule_work(&ap->recv_work); |
| 341 | read_unlock_irqrestore(&application_lock, flags); |
| 342 | |
| 343 | return; |
| 344 | |
| 345 | error: |
| 346 | kfree_skb(skb); |
| 347 | } |
| 348 | |
| 349 | EXPORT_SYMBOL(capi_ctr_handle_message); |
| 350 | |
| 351 | void capi_ctr_ready(struct capi_ctr * card) |
| 352 | { |
| 353 | card->cardstate = CARD_RUNNING; |
| 354 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 355 | printk(KERN_NOTICE "kcapi: card [%03d] \"%s\" ready.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | card->cnr, card->name); |
| 357 | |
| 358 | notify_push(KCI_CONTRUP, card->cnr, 0, 0); |
| 359 | } |
| 360 | |
| 361 | EXPORT_SYMBOL(capi_ctr_ready); |
| 362 | |
| 363 | void capi_ctr_reseted(struct capi_ctr * card) |
| 364 | { |
| 365 | u16 appl; |
| 366 | |
| 367 | DBG(""); |
| 368 | |
| 369 | if (card->cardstate == CARD_DETECTED) |
| 370 | return; |
| 371 | |
| 372 | card->cardstate = CARD_DETECTED; |
| 373 | |
| 374 | memset(card->manu, 0, sizeof(card->manu)); |
| 375 | memset(&card->version, 0, sizeof(card->version)); |
| 376 | memset(&card->profile, 0, sizeof(card->profile)); |
| 377 | memset(card->serial, 0, sizeof(card->serial)); |
| 378 | |
| 379 | for (appl = 1; appl <= CAPI_MAXAPPL; appl++) { |
| 380 | struct capi20_appl *ap = get_capi_appl_by_nr(appl); |
| 381 | if (!ap || ap->release_in_progress) |
| 382 | continue; |
| 383 | |
| 384 | capi_ctr_put(card); |
| 385 | } |
| 386 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 387 | printk(KERN_NOTICE "kcapi: card [%03d] down.\n", card->cnr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | |
| 389 | notify_push(KCI_CONTRDOWN, card->cnr, 0, 0); |
| 390 | } |
| 391 | |
| 392 | EXPORT_SYMBOL(capi_ctr_reseted); |
| 393 | |
| 394 | void capi_ctr_suspend_output(struct capi_ctr *card) |
| 395 | { |
| 396 | if (!card->blocked) { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 397 | printk(KERN_DEBUG "kcapi: card [%03d] suspend\n", card->cnr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | card->blocked = 1; |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | EXPORT_SYMBOL(capi_ctr_suspend_output); |
| 403 | |
| 404 | void capi_ctr_resume_output(struct capi_ctr *card) |
| 405 | { |
| 406 | if (card->blocked) { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 407 | printk(KERN_DEBUG "kcapi: card [%03d] resume\n", card->cnr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | card->blocked = 0; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | EXPORT_SYMBOL(capi_ctr_resume_output); |
| 413 | |
| 414 | /* ------------------------------------------------------------- */ |
| 415 | |
| 416 | int |
| 417 | attach_capi_ctr(struct capi_ctr *card) |
| 418 | { |
| 419 | int i; |
| 420 | |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 421 | mutex_lock(&controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | |
| 423 | for (i = 0; i < CAPI_MAXCONTR; i++) { |
| 424 | if (capi_cards[i] == NULL) |
| 425 | break; |
| 426 | } |
| 427 | if (i == CAPI_MAXCONTR) { |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 428 | mutex_unlock(&controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | printk(KERN_ERR "kcapi: out of controller slots\n"); |
| 430 | return -EBUSY; |
| 431 | } |
| 432 | capi_cards[i] = card; |
| 433 | |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 434 | mutex_unlock(&controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | |
| 436 | card->nrecvctlpkt = 0; |
| 437 | card->nrecvdatapkt = 0; |
| 438 | card->nsentctlpkt = 0; |
| 439 | card->nsentdatapkt = 0; |
| 440 | card->cnr = i + 1; |
| 441 | card->cardstate = CARD_DETECTED; |
| 442 | card->blocked = 0; |
| 443 | card->traceflag = showcapimsgs; |
| 444 | |
| 445 | sprintf(card->procfn, "capi/controllers/%d", card->cnr); |
| 446 | card->procent = create_proc_entry(card->procfn, 0, NULL); |
| 447 | if (card->procent) { |
| 448 | card->procent->read_proc = |
| 449 | (int (*)(char *,char **,off_t,int,int *,void *)) |
| 450 | card->ctr_read_proc; |
| 451 | card->procent->data = card; |
| 452 | } |
| 453 | |
| 454 | ncards++; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 455 | printk(KERN_NOTICE "kcapi: Controller [%03d]: %s attached\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | card->cnr, card->name); |
| 457 | return 0; |
| 458 | } |
| 459 | |
| 460 | EXPORT_SYMBOL(attach_capi_ctr); |
| 461 | |
| 462 | int detach_capi_ctr(struct capi_ctr *card) |
| 463 | { |
| 464 | if (card->cardstate != CARD_DETECTED) |
| 465 | capi_ctr_reseted(card); |
| 466 | |
| 467 | ncards--; |
| 468 | |
| 469 | if (card->procent) { |
| 470 | remove_proc_entry(card->procfn, NULL); |
| 471 | card->procent = NULL; |
| 472 | } |
| 473 | capi_cards[card->cnr - 1] = NULL; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 474 | printk(KERN_NOTICE "kcapi: Controller [%03d]: %s unregistered\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | card->cnr, card->name); |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | EXPORT_SYMBOL(detach_capi_ctr); |
| 481 | |
| 482 | void register_capi_driver(struct capi_driver *driver) |
| 483 | { |
| 484 | unsigned long flags; |
| 485 | |
| 486 | write_lock_irqsave(&capi_drivers_list_lock, flags); |
| 487 | list_add_tail(&driver->list, &capi_drivers); |
| 488 | write_unlock_irqrestore(&capi_drivers_list_lock, flags); |
| 489 | } |
| 490 | |
| 491 | EXPORT_SYMBOL(register_capi_driver); |
| 492 | |
| 493 | void unregister_capi_driver(struct capi_driver *driver) |
| 494 | { |
| 495 | unsigned long flags; |
| 496 | |
| 497 | write_lock_irqsave(&capi_drivers_list_lock, flags); |
| 498 | list_del(&driver->list); |
| 499 | write_unlock_irqrestore(&capi_drivers_list_lock, flags); |
| 500 | } |
| 501 | |
| 502 | EXPORT_SYMBOL(unregister_capi_driver); |
| 503 | |
| 504 | /* ------------------------------------------------------------- */ |
| 505 | /* -------- CAPI2.0 Interface ---------------------------------- */ |
| 506 | /* ------------------------------------------------------------- */ |
| 507 | |
| 508 | u16 capi20_isinstalled(void) |
| 509 | { |
| 510 | int i; |
| 511 | for (i = 0; i < CAPI_MAXCONTR; i++) { |
| 512 | if (capi_cards[i] && capi_cards[i]->cardstate == CARD_RUNNING) |
| 513 | return CAPI_NOERROR; |
| 514 | } |
| 515 | return CAPI_REGNOTINSTALLED; |
| 516 | } |
| 517 | |
| 518 | EXPORT_SYMBOL(capi20_isinstalled); |
| 519 | |
| 520 | u16 capi20_register(struct capi20_appl *ap) |
| 521 | { |
| 522 | int i; |
| 523 | u16 applid; |
| 524 | unsigned long flags; |
| 525 | |
| 526 | DBG(""); |
| 527 | |
| 528 | if (ap->rparam.datablklen < 128) |
| 529 | return CAPI_LOGBLKSIZETOSMALL; |
| 530 | |
| 531 | write_lock_irqsave(&application_lock, flags); |
| 532 | |
| 533 | for (applid = 1; applid <= CAPI_MAXAPPL; applid++) { |
| 534 | if (capi_applications[applid - 1] == NULL) |
| 535 | break; |
| 536 | } |
| 537 | if (applid > CAPI_MAXAPPL) { |
| 538 | write_unlock_irqrestore(&application_lock, flags); |
| 539 | return CAPI_TOOMANYAPPLS; |
| 540 | } |
| 541 | |
| 542 | ap->applid = applid; |
| 543 | capi_applications[applid - 1] = ap; |
| 544 | |
| 545 | ap->nrecvctlpkt = 0; |
| 546 | ap->nrecvdatapkt = 0; |
| 547 | ap->nsentctlpkt = 0; |
| 548 | ap->nsentdatapkt = 0; |
| 549 | ap->callback = NULL; |
Matthias Kaehlcke | 67837f2 | 2007-07-17 04:04:16 -0700 | [diff] [blame] | 550 | mutex_init(&ap->recv_mtx); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | skb_queue_head_init(&ap->recv_queue); |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 552 | INIT_WORK(&ap->recv_work, recv_handler); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | ap->release_in_progress = 0; |
| 554 | |
| 555 | write_unlock_irqrestore(&application_lock, flags); |
| 556 | |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 557 | mutex_lock(&controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | for (i = 0; i < CAPI_MAXCONTR; i++) { |
| 559 | if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING) |
| 560 | continue; |
| 561 | register_appl(capi_cards[i], applid, &ap->rparam); |
| 562 | } |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 563 | mutex_unlock(&controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | |
| 565 | if (showcapimsgs & 1) { |
| 566 | printk(KERN_DEBUG "kcapi: appl %d up\n", applid); |
| 567 | } |
| 568 | |
| 569 | return CAPI_NOERROR; |
| 570 | } |
| 571 | |
| 572 | EXPORT_SYMBOL(capi20_register); |
| 573 | |
| 574 | u16 capi20_release(struct capi20_appl *ap) |
| 575 | { |
| 576 | int i; |
| 577 | unsigned long flags; |
| 578 | |
| 579 | DBG("applid %#x", ap->applid); |
| 580 | |
| 581 | write_lock_irqsave(&application_lock, flags); |
| 582 | ap->release_in_progress = 1; |
| 583 | capi_applications[ap->applid - 1] = NULL; |
| 584 | write_unlock_irqrestore(&application_lock, flags); |
| 585 | |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 586 | mutex_lock(&controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | for (i = 0; i < CAPI_MAXCONTR; i++) { |
| 588 | if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING) |
| 589 | continue; |
| 590 | release_appl(capi_cards[i], ap->applid); |
| 591 | } |
Arjan van de Ven | 9cdf182 | 2006-03-23 03:00:21 -0800 | [diff] [blame] | 592 | mutex_unlock(&controller_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | |
| 594 | flush_scheduled_work(); |
| 595 | skb_queue_purge(&ap->recv_queue); |
| 596 | |
| 597 | if (showcapimsgs & 1) { |
| 598 | printk(KERN_DEBUG "kcapi: appl %d down\n", ap->applid); |
| 599 | } |
| 600 | |
| 601 | return CAPI_NOERROR; |
| 602 | } |
| 603 | |
| 604 | EXPORT_SYMBOL(capi20_release); |
| 605 | |
| 606 | u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb) |
| 607 | { |
| 608 | struct capi_ctr *card; |
| 609 | int showctl = 0; |
| 610 | u8 cmd, subcmd; |
| 611 | |
| 612 | DBG("applid %#x", ap->applid); |
| 613 | |
| 614 | if (ncards == 0) |
| 615 | return CAPI_REGNOTINSTALLED; |
| 616 | if ((ap->applid == 0) || ap->release_in_progress) |
| 617 | return CAPI_ILLAPPNR; |
| 618 | if (skb->len < 12 |
| 619 | || !capi_cmd_valid(CAPIMSG_COMMAND(skb->data)) |
| 620 | || !capi_subcmd_valid(CAPIMSG_SUBCOMMAND(skb->data))) |
| 621 | return CAPI_ILLCMDORSUBCMDORMSGTOSMALL; |
| 622 | card = get_capi_ctr_by_nr(CAPIMSG_CONTROLLER(skb->data)); |
| 623 | if (!card || card->cardstate != CARD_RUNNING) { |
| 624 | card = get_capi_ctr_by_nr(1); // XXX why? |
| 625 | if (!card || card->cardstate != CARD_RUNNING) |
| 626 | return CAPI_REGNOTINSTALLED; |
| 627 | } |
| 628 | if (card->blocked) |
| 629 | return CAPI_SENDQUEUEFULL; |
| 630 | |
| 631 | cmd = CAPIMSG_COMMAND(skb->data); |
| 632 | subcmd = CAPIMSG_SUBCOMMAND(skb->data); |
| 633 | |
| 634 | if (cmd == CAPI_DATA_B3 && subcmd== CAPI_REQ) { |
| 635 | card->nsentdatapkt++; |
| 636 | ap->nsentdatapkt++; |
| 637 | if (card->traceflag > 2) showctl |= 2; |
| 638 | } else { |
| 639 | card->nsentctlpkt++; |
| 640 | ap->nsentctlpkt++; |
| 641 | if (card->traceflag) showctl |= 2; |
| 642 | } |
| 643 | showctl |= (card->traceflag & 1); |
| 644 | if (showctl & 2) { |
| 645 | if (showctl & 1) { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 646 | printk(KERN_DEBUG "kcapi: put [%03d] id#%d %s len=%u\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | CAPIMSG_CONTROLLER(skb->data), |
| 648 | CAPIMSG_APPID(skb->data), |
| 649 | capi_cmd2str(cmd, subcmd), |
| 650 | CAPIMSG_LEN(skb->data)); |
| 651 | } else { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 652 | _cdebbuf *cdb = capi_message2str(skb->data); |
| 653 | if (cdb) { |
| 654 | printk(KERN_DEBUG "kcapi: put [%03d] %s\n", |
| 655 | CAPIMSG_CONTROLLER(skb->data), |
| 656 | cdb->buf); |
| 657 | cdebbuf_free(cdb); |
| 658 | } else |
| 659 | printk(KERN_DEBUG "kcapi: put [%03d] id#%d %s len=%u cannot trace\n", |
| 660 | CAPIMSG_CONTROLLER(skb->data), |
| 661 | CAPIMSG_APPID(skb->data), |
| 662 | capi_cmd2str(cmd, subcmd), |
| 663 | CAPIMSG_LEN(skb->data)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | } |
| 666 | return card->send_message(card, skb); |
| 667 | } |
| 668 | |
| 669 | EXPORT_SYMBOL(capi20_put_message); |
| 670 | |
| 671 | u16 capi20_get_manufacturer(u32 contr, u8 *buf) |
| 672 | { |
| 673 | struct capi_ctr *card; |
| 674 | |
| 675 | if (contr == 0) { |
| 676 | strlcpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN); |
| 677 | return CAPI_NOERROR; |
| 678 | } |
| 679 | card = get_capi_ctr_by_nr(contr); |
| 680 | if (!card || card->cardstate != CARD_RUNNING) |
| 681 | return CAPI_REGNOTINSTALLED; |
| 682 | strlcpy(buf, card->manu, CAPI_MANUFACTURER_LEN); |
| 683 | return CAPI_NOERROR; |
| 684 | } |
| 685 | |
| 686 | EXPORT_SYMBOL(capi20_get_manufacturer); |
| 687 | |
| 688 | u16 capi20_get_version(u32 contr, struct capi_version *verp) |
| 689 | { |
| 690 | struct capi_ctr *card; |
| 691 | |
| 692 | if (contr == 0) { |
| 693 | *verp = driver_version; |
| 694 | return CAPI_NOERROR; |
| 695 | } |
| 696 | card = get_capi_ctr_by_nr(contr); |
| 697 | if (!card || card->cardstate != CARD_RUNNING) |
| 698 | return CAPI_REGNOTINSTALLED; |
| 699 | |
| 700 | memcpy((void *) verp, &card->version, sizeof(capi_version)); |
| 701 | return CAPI_NOERROR; |
| 702 | } |
| 703 | |
| 704 | EXPORT_SYMBOL(capi20_get_version); |
| 705 | |
| 706 | u16 capi20_get_serial(u32 contr, u8 *serial) |
| 707 | { |
| 708 | struct capi_ctr *card; |
| 709 | |
| 710 | if (contr == 0) { |
| 711 | strlcpy(serial, driver_serial, CAPI_SERIAL_LEN); |
| 712 | return CAPI_NOERROR; |
| 713 | } |
| 714 | card = get_capi_ctr_by_nr(contr); |
| 715 | if (!card || card->cardstate != CARD_RUNNING) |
| 716 | return CAPI_REGNOTINSTALLED; |
| 717 | |
| 718 | strlcpy((void *) serial, card->serial, CAPI_SERIAL_LEN); |
| 719 | return CAPI_NOERROR; |
| 720 | } |
| 721 | |
| 722 | EXPORT_SYMBOL(capi20_get_serial); |
| 723 | |
| 724 | u16 capi20_get_profile(u32 contr, struct capi_profile *profp) |
| 725 | { |
| 726 | struct capi_ctr *card; |
| 727 | |
| 728 | if (contr == 0) { |
| 729 | profp->ncontroller = ncards; |
| 730 | return CAPI_NOERROR; |
| 731 | } |
| 732 | card = get_capi_ctr_by_nr(contr); |
| 733 | if (!card || card->cardstate != CARD_RUNNING) |
| 734 | return CAPI_REGNOTINSTALLED; |
| 735 | |
| 736 | memcpy((void *) profp, &card->profile, |
| 737 | sizeof(struct capi_profile)); |
| 738 | return CAPI_NOERROR; |
| 739 | } |
| 740 | |
| 741 | EXPORT_SYMBOL(capi20_get_profile); |
| 742 | |
| 743 | #ifdef CONFIG_AVMB1_COMPAT |
| 744 | static int old_capi_manufacturer(unsigned int cmd, void __user *data) |
| 745 | { |
| 746 | avmb1_loadandconfigdef ldef; |
| 747 | avmb1_extcarddef cdef; |
| 748 | avmb1_resetdef rdef; |
| 749 | capicardparams cparams; |
| 750 | struct capi_ctr *card; |
| 751 | struct capi_driver *driver = NULL; |
| 752 | capiloaddata ldata; |
| 753 | struct list_head *l; |
| 754 | unsigned long flags; |
| 755 | int retval; |
| 756 | |
| 757 | switch (cmd) { |
| 758 | case AVMB1_ADDCARD: |
| 759 | case AVMB1_ADDCARD_WITH_TYPE: |
| 760 | if (cmd == AVMB1_ADDCARD) { |
| 761 | if ((retval = copy_from_user(&cdef, data, |
| 762 | sizeof(avmb1_carddef)))) |
| 763 | return retval; |
| 764 | cdef.cardtype = AVM_CARDTYPE_B1; |
| 765 | } else { |
| 766 | if ((retval = copy_from_user(&cdef, data, |
| 767 | sizeof(avmb1_extcarddef)))) |
| 768 | return retval; |
| 769 | } |
| 770 | cparams.port = cdef.port; |
| 771 | cparams.irq = cdef.irq; |
| 772 | cparams.cardnr = cdef.cardnr; |
| 773 | |
| 774 | read_lock_irqsave(&capi_drivers_list_lock, flags); |
| 775 | switch (cdef.cardtype) { |
| 776 | case AVM_CARDTYPE_B1: |
| 777 | list_for_each(l, &capi_drivers) { |
| 778 | driver = list_entry(l, struct capi_driver, list); |
| 779 | if (strcmp(driver->name, "b1isa") == 0) |
| 780 | break; |
| 781 | } |
| 782 | break; |
| 783 | case AVM_CARDTYPE_T1: |
| 784 | list_for_each(l, &capi_drivers) { |
| 785 | driver = list_entry(l, struct capi_driver, list); |
| 786 | if (strcmp(driver->name, "t1isa") == 0) |
| 787 | break; |
| 788 | } |
| 789 | break; |
| 790 | default: |
| 791 | driver = NULL; |
| 792 | break; |
| 793 | } |
| 794 | if (!driver) { |
| 795 | read_unlock_irqrestore(&capi_drivers_list_lock, flags); |
| 796 | printk(KERN_ERR "kcapi: driver not loaded.\n"); |
| 797 | return -EIO; |
| 798 | } |
| 799 | if (!driver->add_card) { |
| 800 | read_unlock_irqrestore(&capi_drivers_list_lock, flags); |
| 801 | printk(KERN_ERR "kcapi: driver has no add card function.\n"); |
| 802 | return -EIO; |
| 803 | } |
| 804 | |
| 805 | retval = driver->add_card(driver, &cparams); |
| 806 | read_unlock_irqrestore(&capi_drivers_list_lock, flags); |
| 807 | return retval; |
| 808 | |
| 809 | case AVMB1_LOAD: |
| 810 | case AVMB1_LOAD_AND_CONFIG: |
| 811 | |
| 812 | if (cmd == AVMB1_LOAD) { |
| 813 | if (copy_from_user(&ldef, data, |
| 814 | sizeof(avmb1_loaddef))) |
| 815 | return -EFAULT; |
| 816 | ldef.t4config.len = 0; |
| 817 | ldef.t4config.data = NULL; |
| 818 | } else { |
| 819 | if (copy_from_user(&ldef, data, |
| 820 | sizeof(avmb1_loadandconfigdef))) |
| 821 | return -EFAULT; |
| 822 | } |
| 823 | card = get_capi_ctr_by_nr(ldef.contr); |
Jesper Juhl | e8a285b | 2007-10-16 01:27:52 -0700 | [diff] [blame] | 824 | if (!card) |
| 825 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | card = capi_ctr_get(card); |
| 827 | if (!card) |
| 828 | return -ESRCH; |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame^] | 829 | if (card->load_firmware == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | printk(KERN_DEBUG "kcapi: load: no load function\n"); |
| 831 | return -ESRCH; |
| 832 | } |
| 833 | |
| 834 | if (ldef.t4file.len <= 0) { |
| 835 | printk(KERN_DEBUG "kcapi: load: invalid parameter: length of t4file is %d ?\n", ldef.t4file.len); |
| 836 | return -EINVAL; |
| 837 | } |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame^] | 838 | if (ldef.t4file.data == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | printk(KERN_DEBUG "kcapi: load: invalid parameter: dataptr is 0\n"); |
| 840 | return -EINVAL; |
| 841 | } |
| 842 | |
| 843 | ldata.firmware.user = 1; |
| 844 | ldata.firmware.data = ldef.t4file.data; |
| 845 | ldata.firmware.len = ldef.t4file.len; |
| 846 | ldata.configuration.user = 1; |
| 847 | ldata.configuration.data = ldef.t4config.data; |
| 848 | ldata.configuration.len = ldef.t4config.len; |
| 849 | |
| 850 | if (card->cardstate != CARD_DETECTED) { |
| 851 | printk(KERN_INFO "kcapi: load: contr=%d not in detect state\n", ldef.contr); |
| 852 | return -EBUSY; |
| 853 | } |
| 854 | card->cardstate = CARD_LOADING; |
| 855 | |
| 856 | retval = card->load_firmware(card, &ldata); |
| 857 | |
| 858 | if (retval) { |
| 859 | card->cardstate = CARD_DETECTED; |
| 860 | capi_ctr_put(card); |
| 861 | return retval; |
| 862 | } |
| 863 | |
| 864 | while (card->cardstate != CARD_RUNNING) { |
| 865 | |
| 866 | msleep_interruptible(100); /* 0.1 sec */ |
| 867 | |
| 868 | if (signal_pending(current)) { |
| 869 | capi_ctr_put(card); |
| 870 | return -EINTR; |
| 871 | } |
| 872 | } |
| 873 | capi_ctr_put(card); |
| 874 | return 0; |
| 875 | |
| 876 | case AVMB1_RESETCARD: |
| 877 | if (copy_from_user(&rdef, data, sizeof(avmb1_resetdef))) |
| 878 | return -EFAULT; |
| 879 | card = get_capi_ctr_by_nr(rdef.contr); |
| 880 | if (!card) |
| 881 | return -ESRCH; |
| 882 | |
| 883 | if (card->cardstate == CARD_DETECTED) |
| 884 | return 0; |
| 885 | |
| 886 | card->reset_ctr(card); |
| 887 | |
| 888 | while (card->cardstate > CARD_DETECTED) { |
| 889 | |
| 890 | msleep_interruptible(100); /* 0.1 sec */ |
| 891 | |
| 892 | if (signal_pending(current)) |
| 893 | return -EINTR; |
| 894 | } |
| 895 | return 0; |
| 896 | |
| 897 | } |
| 898 | return -EINVAL; |
| 899 | } |
| 900 | #endif |
| 901 | |
| 902 | int capi20_manufacturer(unsigned int cmd, void __user *data) |
| 903 | { |
| 904 | struct capi_ctr *card; |
| 905 | |
| 906 | switch (cmd) { |
| 907 | #ifdef CONFIG_AVMB1_COMPAT |
| 908 | case AVMB1_LOAD: |
| 909 | case AVMB1_LOAD_AND_CONFIG: |
| 910 | case AVMB1_RESETCARD: |
| 911 | case AVMB1_GET_CARDINFO: |
| 912 | case AVMB1_REMOVECARD: |
| 913 | return old_capi_manufacturer(cmd, data); |
| 914 | #endif |
| 915 | case KCAPI_CMD_TRACE: |
| 916 | { |
| 917 | kcapi_flagdef fdef; |
| 918 | |
| 919 | if (copy_from_user(&fdef, data, sizeof(kcapi_flagdef))) |
| 920 | return -EFAULT; |
| 921 | |
| 922 | card = get_capi_ctr_by_nr(fdef.contr); |
| 923 | if (!card) |
| 924 | return -ESRCH; |
| 925 | |
| 926 | card->traceflag = fdef.flag; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 927 | printk(KERN_INFO "kcapi: contr [%03d] set trace=%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | card->cnr, card->traceflag); |
| 929 | return 0; |
| 930 | } |
| 931 | case KCAPI_CMD_ADDCARD: |
| 932 | { |
| 933 | struct list_head *l; |
| 934 | struct capi_driver *driver = NULL; |
| 935 | capicardparams cparams; |
| 936 | kcapi_carddef cdef; |
| 937 | int retval; |
| 938 | |
| 939 | if ((retval = copy_from_user(&cdef, data, sizeof(cdef)))) |
| 940 | return retval; |
| 941 | |
| 942 | cparams.port = cdef.port; |
| 943 | cparams.irq = cdef.irq; |
| 944 | cparams.membase = cdef.membase; |
| 945 | cparams.cardnr = cdef.cardnr; |
| 946 | cparams.cardtype = 0; |
| 947 | cdef.driver[sizeof(cdef.driver)-1] = 0; |
| 948 | |
| 949 | list_for_each(l, &capi_drivers) { |
| 950 | driver = list_entry(l, struct capi_driver, list); |
| 951 | if (strcmp(driver->name, cdef.driver) == 0) |
| 952 | break; |
| 953 | } |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame^] | 954 | if (driver == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 955 | printk(KERN_ERR "kcapi: driver \"%s\" not loaded.\n", |
| 956 | cdef.driver); |
| 957 | return -ESRCH; |
| 958 | } |
| 959 | |
| 960 | if (!driver->add_card) { |
| 961 | printk(KERN_ERR "kcapi: driver \"%s\" has no add card function.\n", cdef.driver); |
| 962 | return -EIO; |
| 963 | } |
| 964 | |
| 965 | return driver->add_card(driver, &cparams); |
| 966 | } |
| 967 | |
| 968 | default: |
| 969 | printk(KERN_ERR "kcapi: manufacturer command %d unknown.\n", |
| 970 | cmd); |
| 971 | break; |
| 972 | |
| 973 | } |
| 974 | return -EINVAL; |
| 975 | } |
| 976 | |
| 977 | EXPORT_SYMBOL(capi20_manufacturer); |
| 978 | |
| 979 | /* temporary hack */ |
| 980 | void capi20_set_callback(struct capi20_appl *ap, |
| 981 | void (*callback) (unsigned int cmd, __u32 contr, void *data)) |
| 982 | { |
| 983 | ap->callback = callback; |
| 984 | } |
| 985 | |
| 986 | EXPORT_SYMBOL(capi20_set_callback); |
| 987 | |
| 988 | /* ------------------------------------------------------------- */ |
| 989 | /* -------- Init & Cleanup ------------------------------------- */ |
| 990 | /* ------------------------------------------------------------- */ |
| 991 | |
| 992 | /* |
| 993 | * init / exit functions |
| 994 | */ |
| 995 | |
| 996 | static int __init kcapi_init(void) |
| 997 | { |
| 998 | char *p; |
| 999 | char rev[32]; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1000 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1002 | ret = cdebug_init(); |
| 1003 | if (ret) |
| 1004 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1005 | kcapi_proc_init(); |
| 1006 | |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame^] | 1007 | if ((p = strchr(revision, ':')) != NULL && p[1]) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | strlcpy(rev, p + 2, sizeof(rev)); |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame^] | 1009 | if ((p = strchr(rev, '$')) != NULL && p > rev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1010 | *(p-1) = 0; |
| 1011 | } else |
| 1012 | strcpy(rev, "1.0"); |
| 1013 | |
| 1014 | printk(KERN_NOTICE "CAPI Subsystem Rev %s\n", rev); |
| 1015 | |
| 1016 | return 0; |
| 1017 | } |
| 1018 | |
| 1019 | static void __exit kcapi_exit(void) |
| 1020 | { |
| 1021 | kcapi_proc_exit(); |
| 1022 | |
| 1023 | /* make sure all notifiers are finished */ |
| 1024 | flush_scheduled_work(); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1025 | cdebug_exit(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | } |
| 1027 | |
| 1028 | module_init(kcapi_init); |
| 1029 | module_exit(kcapi_exit); |