Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 | /* * $Id: b1pci.c,v 1.20 2000/02/02 18:36:03 calle Exp $ * * Module for AVM B1 PCI-card. * * (c) Copyright 1999 by Carsten Paeth (calle@calle.in-berlin.de) * * $Log: b1pci.c,v $ * Revision 1.20 2000/02/02 18:36:03 calle * - Modules are now locked while init_module is running * - fixed problem with memory mapping if address is not aligned * * Revision 1.19 2000/01/25 14:33:38 calle * - Added Support AVM B1 PCI V4.0 (tested with prototype) * - splitted up t1pci.c into b1dma.c for common function with b1pciv4 * - support for revision register * * Revision 1.18 1999/11/05 16:38:01 calle * Cleanups before kernel 2.4: * - Changed all messages to use card->name or driver->name instead of * constant string. * - Moved some data from struct avmcard into new struct avmctrl_info. * Changed all lowlevel capi driver to match the new structur. * * Revision 1.17 1999/10/05 06:50:07 calle * Forgot SA_SHIRQ as argument to request_irq. * * Revision 1.16 1999/08/11 21:01:07 keil * new PCI codefix * * Revision 1.15 1999/08/10 16:02:27 calle * struct pci_dev changed in 2.3.13. Made the necessary changes. * * Revision 1.14 1999/07/09 15:05:41 keil * compat.h is now isdn_compat.h * * Revision 1.13 1999/07/05 15:09:50 calle * - renamed "appl_release" to "appl_released". * - version und profile data now cleared on controller reset * - extended /proc interface, to allow driver and controller specific * informations to include by driver hackers. * * Revision 1.12 1999/07/01 15:26:29 calle * complete new version (I love it): * + new hardware independed "capi_driver" interface that will make it easy to: * - support other controllers with CAPI-2.0 (i.e. USB Controller) * - write a CAPI-2.0 for the passive cards * - support serial link CAPI-2.0 boxes. * + wrote "capi_driver" for all supported cards. * + "capi_driver" (supported cards) now have to be configured with * make menuconfig, in the past all supported cards where included * at once. * + new and better informations in /proc/capi/ * + new ioctl to switch trace of capi messages per controller * using "avmcapictrl trace [contr] on|off|...." * + complete testcircle with all supported cards and also the * PCMCIA cards (now patch for pcmcia-cs-3.0.13 needed) done. * * */ #include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/skbuff.h> #include <linux/delay.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/pci.h> #include <linux/capi.h> #include <asm/io.h> #include "capicmd.h" #include "capiutil.h" #include "capilli.h" #include "avmcard.h" static char *revision = "$Revision: 1.20 $"; /* ------------------------------------------------------------- */ #ifndef PCI_VENDOR_ID_AVM #define PCI_VENDOR_ID_AVM 0x1244 #endif #ifndef PCI_DEVICE_ID_AVM_B1 #define PCI_DEVICE_ID_AVM_B1 0x700 #endif /* ------------------------------------------------------------- */ MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>"); /* ------------------------------------------------------------- */ static struct capi_driver_interface *di; /* ------------------------------------------------------------- */ static void b1pci_interrupt(int interrupt, void *devptr, struct pt_regs *regs) { avmcard *card; card = (avmcard *) devptr; if (!card) { printk(KERN_WARNING "b1pci: interrupt: wrong device\n"); return; } if (card->interrupt) { printk(KERN_ERR "%s: reentering interrupt hander.\n", card->name); return; } card->interrupt = 1; b1_handle_interrupt(card); card->interrupt = 0; } /* ------------------------------------------------------------- */ static void b1pci_remove_ctr(struct capi_ctr *ctrl) { avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); avmcard *card = cinfo->card; unsigned int port = card->port; b1_reset(port); b1_reset(port); di->detach_ctr(ctrl); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); ctrl->driverdata = 0; kfree(card->ctrlinfo); kfree(card); MOD_DEC_USE_COUNT; } /* ------------------------------------------------------------- */ static char *b1pci_procinfo(struct capi_ctr *ctrl) { avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); if (!cinfo) return ""; sprintf(cinfo->infobuf, "%s %s 0x%x %d r%d", cinfo->cardname[0] ? cinfo->cardname : "-", cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", cinfo->card ? cinfo->card->port : 0x0, cinfo->card ? cinfo->card->irq : 0, cinfo->card ? cinfo->card->revision : 0 ); return cinfo->infobuf; } /* ------------------------------------------------------------- */ static int b1pci_add_card(struct capi_driver *driver, struct capicardparams *p) { avmcard *card; avmctrl_info *cinfo; int retval; MOD_INC_USE_COUNT; card = (avmcard *) kmalloc(sizeof(avmcard), GFP_ATOMIC); if (!card) { printk(KERN_WARNING "%s: no memory.\n", driver->name); MOD_DEC_USE_COUNT; return -ENOMEM; } memset(card, 0, sizeof(avmcard)); cinfo = (avmctrl_info *) kmalloc(sizeof(avmctrl_info), GFP_ATOMIC); if (!cinfo) { printk(KERN_WARNING "%s: no memory.\n", driver->name); kfree(card); MOD_DEC_USE_COUNT; return -ENOMEM; } memset(cinfo, 0, sizeof(avmctrl_info)); card->ctrlinfo = cinfo; cinfo->card = card; sprintf(card->name, "b1pci-%x", p->port); card->port = p->port; card->irq = p->irq; card->cardtype = avm_b1pci; if (check_region(card->port, AVMB1_PORTLEN)) { printk(KERN_WARNING "%s: ports 0x%03x-0x%03x in use.\n", driver->name, card->port, card->port + AVMB1_PORTLEN); kfree(card->ctrlinfo); kfree(card); MOD_DEC_USE_COUNT; return -EBUSY; } b1_reset(card->port); if ((retval = b1_detect(card->port, card->cardtype)) != 0) { printk(KERN_NOTICE "%s: NO card at 0x%x (%d)\n", driver->name, card->port, retval); kfree(card->ctrlinfo); kfree(card); MOD_DEC_USE_COUNT; return -EIO; } b1_reset(card->port); b1_getrevision(card); request_region(p->port, AVMB1_PORTLEN, card->name); retval = request_irq(card->irq, b1pci_interrupt, SA_SHIRQ, card->name, card); if (retval) { printk(KERN_ERR "%s: unable to get IRQ %d.\n", driver->name, card->irq); release_region(card->port, AVMB1_PORTLEN); kfree(card->ctrlinfo); kfree(card); MOD_DEC_USE_COUNT; return -EBUSY; } cinfo->capi_ctrl = di->attach_ctr(driver, card->name, cinfo); if (!cinfo->capi_ctrl) { printk(KERN_ERR "%s: attach controller failed.\n", driver->name); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); kfree(card->ctrlinfo); kfree(card); MOD_DEC_USE_COUNT; return -EBUSY; } if (card->revision >= 4) { printk(KERN_INFO "%s: AVM B1 PCI V4 at i/o %#x, irq %d, revision %d (no dma)\n", driver->name, card->port, card->irq, card->revision); } else { printk(KERN_INFO "%s: AVM B1 PCI at i/o %#x, irq %d, revision %d\n", driver->name, card->port, card->irq, card->revision); } return 0; } /* ------------------------------------------------------------- */ static struct capi_driver b1pci_driver = { "b1pci", "0.0", b1_load_firmware, b1_reset_ctr, b1pci_remove_ctr, b1_register_appl, b1_release_appl, b1_send_message, b1pci_procinfo, b1ctl_read_proc, 0, /* use standard driver_read_proc */ 0, /* no add_card function */ }; #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 /* ------------------------------------------------------------- */ static struct capi_driver_interface *div4; /* ------------------------------------------------------------- */ static void b1pciv4_remove_ctr(struct capi_ctr *ctrl) { avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); avmcard *card = cinfo->card; b1dma_reset(card); div4->detach_ctr(ctrl); free_irq(card->irq, card); iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK)); release_region(card->port, AVMB1_PORTLEN); ctrl->driverdata = 0; kfree(card->ctrlinfo); kfree(card->dma); kfree(card); MOD_DEC_USE_COUNT; } static char *b1pciv4_procinfo(struct capi_ctr *ctrl) { avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); if (!cinfo) return ""; sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx r%d", cinfo->cardname[0] ? cinfo->cardname : "-", cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", cinfo->card ? cinfo->card->port : 0x0, cinfo->card ? cinfo->card->irq : 0, cinfo->card ? cinfo->card->membase : 0, cinfo->card ? cinfo->card->revision : 0 ); return cinfo->infobuf; } /* ------------------------------------------------------------- */ static int b1pciv4_add_card(struct capi_driver *driver, struct capicardparams *p) { unsigned long base, page_offset; avmcard *card; avmctrl_info *cinfo; int retval; card = (avmcard *) kmalloc(sizeof(avmcard), GFP_ATOMIC); if (!card) { printk(KERN_WARNING "%s: no memory.\n", driver->name); return -ENOMEM; } memset(card, 0, sizeof(avmcard)); card->dma = (avmcard_dmainfo *) kmalloc(sizeof(avmcard_dmainfo), GFP_ATOMIC); if (!card->dma) { printk(KERN_WARNING "%s: no memory.\n", driver->name); kfree(card); return -ENOMEM; } memset(card->dma, 0, sizeof(avmcard_dmainfo)); cinfo = (avmctrl_info *) kmalloc(sizeof(avmctrl_info), GFP_ATOMIC); if (!cinfo) { printk(KERN_WARNING "%s: no memory.\n", driver->name); kfree(card->dma); kfree(card); return -ENOMEM; } memset(cinfo, 0, sizeof(avmctrl_info)); card->ctrlinfo = cinfo; cinfo->card = card; sprintf(card->name, "b1pciv4-%x", p->port); card->port = p->port; card->irq = p->irq; card->membase = p->membase; card->cardtype = avm_b1pci; if (check_region(card->port, AVMB1_PORTLEN)) { printk(KERN_WARNING "%s: ports 0x%03x-0x%03x in use.\n", driver->name, card->port, card->port + AVMB1_PORTLEN); kfree(card->ctrlinfo); kfree(card->dma); kfree(card); return -EBUSY; } base = card->membase & PAGE_MASK; page_offset = card->membase - base; card->mbase = ioremap_nocache(base, page_offset + 64); if (card->mbase) { card->mbase += page_offset; } else { printk(KERN_NOTICE "%s: can't remap memory at 0x%lx\n", driver->name, card->membase); kfree(card->ctrlinfo); kfree(card->dma); kfree(card); return -EIO; } b1dma_reset(card); if ((retval = b1pciv4_detect(card)) != 0) { printk(KERN_NOTICE "%s: NO card at 0x%x (%d)\n", driver->name, card->port, retval); iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK)); kfree(card->ctrlinfo); kfree(card->dma); kfree(card); return -EIO; } b1dma_reset(card); b1_getrevision(card); request_region(p->port, AVMB1_PORTLEN, card->name); retval = request_irq(card->irq, b1dma_interrupt, SA_SHIRQ, card->name, card); if (retval) { printk(KERN_ERR "%s: unable to get IRQ %d.\n", driver->name, card->irq); iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK)); release_region(card->port, AVMB1_PORTLEN); kfree(card->ctrlinfo); kfree(card->dma); kfree(card); return -EBUSY; } cinfo->capi_ctrl = div4->attach_ctr(driver, card->name, cinfo); if (!cinfo->capi_ctrl) { printk(KERN_ERR "%s: attach controller failed.\n", driver->name); iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK)); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); kfree(card->ctrlinfo); kfree(card->dma); kfree(card); return -EBUSY; } card->cardnr = cinfo->capi_ctrl->cnr; skb_queue_head_init(&card->dma->send_queue); printk(KERN_INFO "%s: AVM B1 PCI V4 at i/o %#x, irq %d, mem %#lx, revision %d (dma)\n", driver->name, card->port, card->irq, card->membase, card->revision); MOD_INC_USE_COUNT; return 0; } /* ------------------------------------------------------------- */ static struct capi_driver b1pciv4_driver = { "b1pciv4", "0.0", b1dma_load_firmware, b1dma_reset_ctr, b1pciv4_remove_ctr, b1dma_register_appl, b1dma_release_appl, b1dma_send_message, b1pciv4_procinfo, b1dmactl_read_proc, 0, /* use standard driver_read_proc */ 0, /* no add_card function */ }; #endif /* CONFIG_ISDN_DRV_AVMB1_B1PCIV4 */ #ifdef MODULE #define b1pci_init init_module void cleanup_module(void); #endif static int ncards = 0; static int add_card(struct pci_dev *dev) { struct capi_driver *driver = &b1pci_driver; struct capicardparams param; int retval; if (dev->base_address[ 2] & PCI_BASE_ADDRESS_IO_MASK) { /* B1 PCI V4 */ #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 driver = &b1pciv4_driver; #endif param.membase = dev->base_address[ 0] & PCI_BASE_ADDRESS_MEM_MASK; param.port = dev->base_address[ 2] & PCI_BASE_ADDRESS_IO_MASK; param.irq = dev->irq; printk(KERN_INFO "%s: PCI BIOS reports AVM-B1 V4 at i/o %#x, irq %d, mem %#x\n", driver->name, param.port, param.irq, param.membase); #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 retval = b1pciv4_add_card(driver, ¶m); #else retval = b1pci_add_card(driver, ¶m); #endif if (retval != 0) { printk(KERN_ERR "%s: no AVM-B1 V4 at i/o %#x, irq %d, mem %#x detected\n", driver->name, param.port, param.irq, param.membase); } } else { param.membase = 0; param.port = dev->base_address[ 1] & PCI_BASE_ADDRESS_IO_MASK; param.irq = dev->irq; printk(KERN_INFO "%s: PCI BIOS reports AVM-B1 at i/o %#x, irq %d\n", driver->name, param.port, param.irq); retval = b1pci_add_card(driver, ¶m); if (retval != 0) { printk(KERN_ERR "%s: no AVM-B1 at i/o %#x, irq %d detected\n", driver->name, param.port, param.irq); } } return retval; } int b1pci_init(void) { struct capi_driver *driver = &b1pci_driver; #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 struct capi_driver *driverv4 = &b1pciv4_driver; #endif struct pci_dev *dev = NULL; char *p; int retval; if ((p = strchr(revision, ':'))) { strncpy(driver->revision, p + 1, sizeof(driver->revision)); p = strchr(driver->revision, '$'); *p = 0; } printk(KERN_INFO "%s: revision %s\n", driver->name, driver->revision); di = attach_capi_driver(driver); if (!di) { printk(KERN_ERR "%s: failed to attach capi_driver\n", driver->name); return -EIO; } #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 printk(KERN_INFO "%s: revision %s\n", driverv4->name, driverv4->revision); div4 = attach_capi_driver(driverv4); if (!div4) { detach_capi_driver(driver); printk(KERN_ERR "%s: failed to attach capi_driver\n", driverv4->name); return -EIO; } #endif #ifdef CONFIG_PCI if (!pci_present()) { printk(KERN_ERR "%s: no PCI bus present\n", driver->name); detach_capi_driver(driver); #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 detach_capi_driver(driverv4); #endif return -EIO; } while ((dev = pci_find_device(PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_B1, dev))) { retval = add_card(dev); if (retval != 0) { #ifdef MODULE cleanup_module(); #endif return retval; } ncards++; } if (ncards) { printk(KERN_INFO "%s: %d B1-PCI card(s) detected\n", driver->name, ncards); return 0; } printk(KERN_ERR "%s: NO B1-PCI card detected\n", driver->name); return -ESRCH; #else printk(KERN_ERR "%s: kernel not compiled with PCI.\n", driver->name); return -EIO; #endif } #ifdef MODULE void cleanup_module(void) { detach_capi_driver(&b1pci_driver); #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 detach_capi_driver(&b1pciv4_driver); #endif } #endif |