1/* $Id: divasmain.c,v 1.55.4.6 2005/02/09 19:28:20 armin Exp $ 2 * 3 * Low level driver for Eicon DIVA Server ISDN cards. 4 * 5 * Copyright 2000-2003 by Armin Schindler (mac@melware.de) 6 * Copyright 2000-2003 Cytronics & Melware (info@melware.de) 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#include <linux/module.h> 13#include <linux/init.h> 14#include <linux/kernel.h> 15#include <asm/uaccess.h> 16#include <asm/io.h> 17#include <linux/ioport.h> 18#include <linux/pci.h> 19#include <linux/interrupt.h> 20#include <linux/list.h> 21#include <linux/poll.h> 22#include <linux/kmod.h> 23 24#include "platform.h" 25#undef ID_MASK 26#undef N_DATA 27#include "pc.h" 28#include "di_defs.h" 29#include "divasync.h" 30#include "diva.h" 31#include "di.h" 32#include "io.h" 33#include "xdi_msg.h" 34#include "xdi_adapter.h" 35#include "xdi_vers.h" 36#include "diva_dma.h" 37#include "diva_pci.h" 38 39static char *main_revision = "$Revision: 1.55.4.6 $"; 40 41static int major; 42 43static int dbgmask; 44 45MODULE_DESCRIPTION("Kernel driver for Eicon DIVA Server cards"); 46MODULE_AUTHOR("Cytronics & Melware, Eicon Networks"); 47MODULE_LICENSE("GPL"); 48 49module_param(dbgmask, int, 0); 50MODULE_PARM_DESC(dbgmask, "initial debug mask"); 51 52static char *DRIVERNAME = 53 "Eicon DIVA Server driver (http://www.melware.net)"; 54static char *DRIVERLNAME = "divas"; 55static char *DEVNAME = "Divas"; 56char *DRIVERRELEASE_DIVAS = "2.0"; 57 58extern irqreturn_t diva_os_irq_wrapper(int irq, void *context); 59extern int create_divas_proc(void); 60extern void remove_divas_proc(void); 61extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf); 62extern int divasfunc_init(int dbgmask); 63extern void divasfunc_exit(void); 64 65typedef struct _diva_os_thread_dpc { 66 struct tasklet_struct divas_task; 67 diva_os_soft_isr_t *psoft_isr; 68} diva_os_thread_dpc_t; 69 70/* -------------------------------------------------------------------------- 71 PCI driver interface section 72 -------------------------------------------------------------------------- */ 73/* 74 vendor, device Vendor and device ID to match (or PCI_ANY_ID) 75 subvendor, Subsystem vendor and device ID to match (or PCI_ANY_ID) 76 subdevice 77 class, Device class to match. The class_mask tells which bits 78 class_mask of the class are honored during the comparison. 79 driver_data Data private to the driver. 80*/ 81 82#if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2) 83#define PCI_DEVICE_ID_EICON_MAESTRAP_2 0xE015 84#endif 85 86#if !defined(PCI_DEVICE_ID_EICON_4BRI_VOIP) 87#define PCI_DEVICE_ID_EICON_4BRI_VOIP 0xE016 88#endif 89 90#if !defined(PCI_DEVICE_ID_EICON_4BRI_2_VOIP) 91#define PCI_DEVICE_ID_EICON_4BRI_2_VOIP 0xE017 92#endif 93 94#if !defined(PCI_DEVICE_ID_EICON_BRI2M_2) 95#define PCI_DEVICE_ID_EICON_BRI2M_2 0xE018 96#endif 97 98#if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP) 99#define PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP 0xE019 100#endif 101 102#if !defined(PCI_DEVICE_ID_EICON_2F) 103#define PCI_DEVICE_ID_EICON_2F 0xE01A 104#endif 105 106#if !defined(PCI_DEVICE_ID_EICON_BRI2M_2_VOIP) 107#define PCI_DEVICE_ID_EICON_BRI2M_2_VOIP 0xE01B 108#endif 109 110/* 111 This table should be sorted by PCI device ID 112*/ 113static struct pci_device_id divas_pci_tbl[] = { 114 /* Diva Server BRI-2M PCI 0xE010 */ 115 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRA), 116 CARDTYPE_MAESTRA_PCI }, 117 /* Diva Server 4BRI-8M PCI 0xE012 */ 118 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAQ), 119 CARDTYPE_DIVASRV_Q_8M_PCI }, 120 /* Diva Server 4BRI-8M 2.0 PCI 0xE013 */ 121 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAQ_U), 122 CARDTYPE_DIVASRV_Q_8M_V2_PCI }, 123 /* Diva Server PRI-30M PCI 0xE014 */ 124 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP), 125 CARDTYPE_DIVASRV_P_30M_PCI }, 126 /* Diva Server PRI 2.0 adapter 0xE015 */ 127 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2), 128 CARDTYPE_DIVASRV_P_30M_V2_PCI }, 129 /* Diva Server Voice 4BRI-8M PCI 0xE016 */ 130 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_4BRI_VOIP), 131 CARDTYPE_DIVASRV_VOICE_Q_8M_PCI }, 132 /* Diva Server Voice 4BRI-8M 2.0 PCI 0xE017 */ 133 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_4BRI_2_VOIP), 134 CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI }, 135 /* Diva Server BRI-2M 2.0 PCI 0xE018 */ 136 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_BRI2M_2), 137 CARDTYPE_DIVASRV_B_2M_V2_PCI }, 138 /* Diva Server Voice PRI 2.0 PCI 0xE019 */ 139 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP), 140 CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI }, 141 /* Diva Server 2FX 0xE01A */ 142 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_2F), 143 CARDTYPE_DIVASRV_B_2F_PCI }, 144 /* Diva Server Voice BRI-2M 2.0 PCI 0xE01B */ 145 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_BRI2M_2_VOIP), 146 CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI }, 147 { 0, } /* 0 terminated list. */ 148}; 149MODULE_DEVICE_TABLE(pci, divas_pci_tbl); 150 151static int divas_init_one(struct pci_dev *pdev, 152 const struct pci_device_id *ent); 153static void divas_remove_one(struct pci_dev *pdev); 154 155static struct pci_driver diva_pci_driver = { 156 .name = "divas", 157 .probe = divas_init_one, 158 .remove = divas_remove_one, 159 .id_table = divas_pci_tbl, 160}; 161 162/********************************************************* 163 ** little helper functions 164 *********************************************************/ 165static char *getrev(const char *revision) 166{ 167 char *rev; 168 char *p; 169 if ((p = strchr(revision, ':'))) { 170 rev = p + 2; 171 p = strchr(rev, '$'); 172 *--p = 0; 173 } else 174 rev = "1.0"; 175 return rev; 176} 177 178void diva_log_info(unsigned char *format, ...) 179{ 180 va_list args; 181 unsigned char line[160]; 182 183 va_start(args, format); 184 vsnprintf(line, sizeof(line), format, args); 185 va_end(args); 186 187 printk(KERN_INFO "%s: %s\n", DRIVERLNAME, line); 188} 189 190void divas_get_version(char *p) 191{ 192 char tmprev[32]; 193 194 strcpy(tmprev, main_revision); 195 sprintf(p, "%s: %s(%s) %s(%s) major=%d\n", DRIVERLNAME, DRIVERRELEASE_DIVAS, 196 getrev(tmprev), diva_xdi_common_code_build, DIVA_BUILD, major); 197} 198 199/* -------------------------------------------------------------------------- 200 PCI Bus services 201 -------------------------------------------------------------------------- */ 202byte diva_os_get_pci_bus(void *pci_dev_handle) 203{ 204 struct pci_dev *pdev = (struct pci_dev *) pci_dev_handle; 205 return ((byte) pdev->bus->number); 206} 207 208byte diva_os_get_pci_func(void *pci_dev_handle) 209{ 210 struct pci_dev *pdev = (struct pci_dev *) pci_dev_handle; 211 return ((byte) pdev->devfn); 212} 213 214unsigned long divasa_get_pci_irq(unsigned char bus, unsigned char func, 215 void *pci_dev_handle) 216{ 217 unsigned char irq = 0; 218 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle; 219 220 irq = dev->irq; 221 222 return ((unsigned long) irq); 223} 224 225unsigned long divasa_get_pci_bar(unsigned char bus, unsigned char func, 226 int bar, void *pci_dev_handle) 227{ 228 unsigned long ret = 0; 229 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle; 230 231 if (bar < 6) { 232 ret = dev->resource[bar].start; 233 } 234 235 DBG_TRC(("GOT BAR[%d]=%08x", bar, ret)); 236 237 { 238 unsigned long type = (ret & 0x00000001); 239 if (type & PCI_BASE_ADDRESS_SPACE_IO) { 240 DBG_TRC((" I/O")); 241 ret &= PCI_BASE_ADDRESS_IO_MASK; 242 } else { 243 DBG_TRC((" memory")); 244 ret &= PCI_BASE_ADDRESS_MEM_MASK; 245 } 246 DBG_TRC((" final=%08x", ret)); 247 } 248 249 return (ret); 250} 251 252void PCIwrite(byte bus, byte func, int offset, void *data, int length, 253 void *pci_dev_handle) 254{ 255 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle; 256 257 switch (length) { 258 case 1: /* byte */ 259 pci_write_config_byte(dev, offset, 260 *(unsigned char *) data); 261 break; 262 case 2: /* word */ 263 pci_write_config_word(dev, offset, 264 *(unsigned short *) data); 265 break; 266 case 4: /* dword */ 267 pci_write_config_dword(dev, offset, 268 *(unsigned int *) data); 269 break; 270 271 default: /* buffer */ 272 if (!(length % 4) && !(length & 0x03)) { /* Copy as dword */ 273 dword *p = (dword *) data; 274 length /= 4; 275 276 while (length--) { 277 pci_write_config_dword(dev, offset, 278 *(unsigned int *) 279 p++); 280 } 281 } else { /* copy as byte stream */ 282 byte *p = (byte *) data; 283 284 while (length--) { 285 pci_write_config_byte(dev, offset, 286 *(unsigned char *) 287 p++); 288 } 289 } 290 } 291} 292 293void PCIread(byte bus, byte func, int offset, void *data, int length, 294 void *pci_dev_handle) 295{ 296 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle; 297 298 switch (length) { 299 case 1: /* byte */ 300 pci_read_config_byte(dev, offset, (unsigned char *) data); 301 break; 302 case 2: /* word */ 303 pci_read_config_word(dev, offset, (unsigned short *) data); 304 break; 305 case 4: /* dword */ 306 pci_read_config_dword(dev, offset, (unsigned int *) data); 307 break; 308 309 default: /* buffer */ 310 if (!(length % 4) && !(length & 0x03)) { /* Copy as dword */ 311 dword *p = (dword *) data; 312 length /= 4; 313 314 while (length--) { 315 pci_read_config_dword(dev, offset, 316 (unsigned int *) 317 p++); 318 } 319 } else { /* copy as byte stream */ 320 byte *p = (byte *) data; 321 322 while (length--) { 323 pci_read_config_byte(dev, offset, 324 (unsigned char *) 325 p++); 326 } 327 } 328 } 329} 330 331/* 332 Init map with DMA pages. It is not problem if some allocations fail - 333 the channels that will not get one DMA page will use standard PIO 334 interface 335*/ 336static void *diva_pci_alloc_consistent(struct pci_dev *hwdev, 337 size_t size, 338 dma_addr_t *dma_handle, 339 void **addr_handle) 340{ 341 void *addr = pci_alloc_consistent(hwdev, size, dma_handle); 342 343 *addr_handle = addr; 344 345 return (addr); 346} 347 348void diva_init_dma_map(void *hdev, 349 struct _diva_dma_map_entry **ppmap, int nentries) 350{ 351 struct pci_dev *pdev = (struct pci_dev *) hdev; 352 struct _diva_dma_map_entry *pmap = 353 diva_alloc_dma_map(hdev, nentries); 354 355 if (pmap) { 356 int i; 357 dma_addr_t dma_handle; 358 void *cpu_addr; 359 void *addr_handle; 360 361 for (i = 0; i < nentries; i++) { 362 if (!(cpu_addr = diva_pci_alloc_consistent(pdev, 363 PAGE_SIZE, 364 &dma_handle, 365 &addr_handle))) 366 { 367 break; 368 } 369 diva_init_dma_map_entry(pmap, i, cpu_addr, 370 (dword) dma_handle, 371 addr_handle); 372 DBG_TRC(("dma map alloc [%d]=(%08lx:%08x:%08lx)", 373 i, (unsigned long) cpu_addr, 374 (dword) dma_handle, 375 (unsigned long) addr_handle))} 376 } 377 378 *ppmap = pmap; 379} 380 381/* 382 Free all contained in the map entries and memory used by the map 383 Should be always called after adapter removal from DIDD array 384*/ 385void diva_free_dma_map(void *hdev, struct _diva_dma_map_entry *pmap) 386{ 387 struct pci_dev *pdev = (struct pci_dev *) hdev; 388 int i; 389 dword phys_addr; 390 void *cpu_addr; 391 dma_addr_t dma_handle; 392 void *addr_handle; 393 394 for (i = 0; (pmap != NULL); i++) { 395 diva_get_dma_map_entry(pmap, i, &cpu_addr, &phys_addr); 396 if (!cpu_addr) { 397 break; 398 } 399 addr_handle = diva_get_entry_handle(pmap, i); 400 dma_handle = (dma_addr_t) phys_addr; 401 pci_free_consistent(pdev, PAGE_SIZE, addr_handle, 402 dma_handle); 403 DBG_TRC(("dma map free [%d]=(%08lx:%08x:%08lx)", i, 404 (unsigned long) cpu_addr, (dword) dma_handle, 405 (unsigned long) addr_handle)) 406 } 407 408 diva_free_dma_mapping(pmap); 409} 410 411 412/********************************************************* 413 ** I/O port utilities 414 *********************************************************/ 415 416int 417diva_os_register_io_port(void *adapter, int on, unsigned long port, 418 unsigned long length, const char *name, int id) 419{ 420 if (on) { 421 if (!request_region(port, length, name)) { 422 DBG_ERR(("A: I/O: can't register port=%08x", port)) 423 return (-1); 424 } 425 } else { 426 release_region(port, length); 427 } 428 return (0); 429} 430 431void __iomem *divasa_remap_pci_bar(diva_os_xdi_adapter_t *a, int id, unsigned long bar, unsigned long area_length) 432{ 433 void __iomem *ret = ioremap(bar, area_length); 434 DBG_TRC(("remap(%08x)->%p", bar, ret)); 435 return (ret); 436} 437 438void divasa_unmap_pci_bar(void __iomem *bar) 439{ 440 if (bar) { 441 iounmap(bar); 442 } 443} 444 445/********************************************************* 446 ** I/O port access 447 *********************************************************/ 448byte __inline__ inpp(void __iomem *addr) 449{ 450 return (inb((unsigned long) addr)); 451} 452 453word __inline__ inppw(void __iomem *addr) 454{ 455 return (inw((unsigned long) addr)); 456} 457 458void __inline__ inppw_buffer(void __iomem *addr, void *P, int length) 459{ 460 insw((unsigned long) addr, (word *) P, length >> 1); 461} 462 463void __inline__ outppw_buffer(void __iomem *addr, void *P, int length) 464{ 465 outsw((unsigned long) addr, (word *) P, length >> 1); 466} 467 468void __inline__ outppw(void __iomem *addr, word w) 469{ 470 outw(w, (unsigned long) addr); 471} 472 473void __inline__ outpp(void __iomem *addr, word p) 474{ 475 outb(p, (unsigned long) addr); 476} 477 478/* -------------------------------------------------------------------------- 479 IRQ request / remove 480 -------------------------------------------------------------------------- */ 481int diva_os_register_irq(void *context, byte irq, const char *name) 482{ 483 int result = request_irq(irq, diva_os_irq_wrapper, 484 IRQF_SHARED, name, context); 485 return (result); 486} 487 488void diva_os_remove_irq(void *context, byte irq) 489{ 490 free_irq(irq, context); 491} 492 493/* -------------------------------------------------------------------------- 494 DPC framework implementation 495 -------------------------------------------------------------------------- */ 496static void diva_os_dpc_proc(unsigned long context) 497{ 498 diva_os_thread_dpc_t *psoft_isr = (diva_os_thread_dpc_t *) context; 499 diva_os_soft_isr_t *pisr = psoft_isr->psoft_isr; 500 501 (*(pisr->callback)) (pisr, pisr->callback_context); 502} 503 504int diva_os_initialize_soft_isr(diva_os_soft_isr_t *psoft_isr, 505 diva_os_soft_isr_callback_t callback, 506 void *callback_context) 507{ 508 diva_os_thread_dpc_t *pdpc; 509 510 pdpc = (diva_os_thread_dpc_t *) diva_os_malloc(0, sizeof(*pdpc)); 511 if (!(psoft_isr->object = pdpc)) { 512 return (-1); 513 } 514 memset(pdpc, 0x00, sizeof(*pdpc)); 515 psoft_isr->callback = callback; 516 psoft_isr->callback_context = callback_context; 517 pdpc->psoft_isr = psoft_isr; 518 tasklet_init(&pdpc->divas_task, diva_os_dpc_proc, (unsigned long)pdpc); 519 520 return (0); 521} 522 523int diva_os_schedule_soft_isr(diva_os_soft_isr_t *psoft_isr) 524{ 525 if (psoft_isr && psoft_isr->object) { 526 diva_os_thread_dpc_t *pdpc = 527 (diva_os_thread_dpc_t *) psoft_isr->object; 528 529 tasklet_schedule(&pdpc->divas_task); 530 } 531 532 return (1); 533} 534 535int diva_os_cancel_soft_isr(diva_os_soft_isr_t *psoft_isr) 536{ 537 return (0); 538} 539 540void diva_os_remove_soft_isr(diva_os_soft_isr_t *psoft_isr) 541{ 542 if (psoft_isr && psoft_isr->object) { 543 diva_os_thread_dpc_t *pdpc = 544 (diva_os_thread_dpc_t *) psoft_isr->object; 545 void *mem; 546 547 tasklet_kill(&pdpc->divas_task); 548 mem = psoft_isr->object; 549 psoft_isr->object = NULL; 550 diva_os_free(0, mem); 551 } 552} 553 554/* 555 * kernel/user space copy functions 556 */ 557static int 558xdi_copy_to_user(void *os_handle, void __user *dst, const void *src, int length) 559{ 560 if (copy_to_user(dst, src, length)) { 561 return (-EFAULT); 562 } 563 return (length); 564} 565 566static int 567xdi_copy_from_user(void *os_handle, void *dst, const void __user *src, int length) 568{ 569 if (copy_from_user(dst, src, length)) { 570 return (-EFAULT); 571 } 572 return (length); 573} 574 575/* 576 * device node operations 577 */ 578static int divas_open(struct inode *inode, struct file *file) 579{ 580 return (0); 581} 582 583static int divas_release(struct inode *inode, struct file *file) 584{ 585 if (file->private_data) { 586 diva_xdi_close_adapter(file->private_data, file); 587 } 588 return (0); 589} 590 591static ssize_t divas_write(struct file *file, const char __user *buf, 592 size_t count, loff_t *ppos) 593{ 594 int ret = -EINVAL; 595 596 if (!file->private_data) { 597 file->private_data = diva_xdi_open_adapter(file, buf, 598 count, 599 xdi_copy_from_user); 600 } 601 if (!file->private_data) { 602 return (-ENODEV); 603 } 604 605 ret = diva_xdi_write(file->private_data, file, 606 buf, count, xdi_copy_from_user); 607 switch (ret) { 608 case -1: /* Message should be removed from rx mailbox first */ 609 ret = -EBUSY; 610 break; 611 case -2: /* invalid adapter was specified in this call */ 612 ret = -ENOMEM; 613 break; 614 case -3: 615 ret = -ENXIO; 616 break; 617 } 618 DBG_TRC(("write: ret %d", ret)); 619 return (ret); 620} 621 622static ssize_t divas_read(struct file *file, char __user *buf, 623 size_t count, loff_t *ppos) 624{ 625 int ret = -EINVAL; 626 627 if (!file->private_data) { 628 file->private_data = diva_xdi_open_adapter(file, buf, 629 count, 630 xdi_copy_from_user); 631 } 632 if (!file->private_data) { 633 return (-ENODEV); 634 } 635 636 ret = diva_xdi_read(file->private_data, file, 637 buf, count, xdi_copy_to_user); 638 switch (ret) { 639 case -1: /* RX mailbox is empty */ 640 ret = -EAGAIN; 641 break; 642 case -2: /* no memory, mailbox was cleared, last command is failed */ 643 ret = -ENOMEM; 644 break; 645 case -3: /* can't copy to user, retry */ 646 ret = -EFAULT; 647 break; 648 } 649 DBG_TRC(("read: ret %d", ret)); 650 return (ret); 651} 652 653static unsigned int divas_poll(struct file *file, poll_table *wait) 654{ 655 if (!file->private_data) { 656 return (POLLERR); 657 } 658 return (POLLIN | POLLRDNORM); 659} 660 661static const struct file_operations divas_fops = { 662 .owner = THIS_MODULE, 663 .llseek = no_llseek, 664 .read = divas_read, 665 .write = divas_write, 666 .poll = divas_poll, 667 .open = divas_open, 668 .release = divas_release 669}; 670 671static void divas_unregister_chrdev(void) 672{ 673 unregister_chrdev(major, DEVNAME); 674} 675 676static int __init divas_register_chrdev(void) 677{ 678 if ((major = register_chrdev(0, DEVNAME, &divas_fops)) < 0) 679 { 680 printk(KERN_ERR "%s: failed to create /dev entry.\n", 681 DRIVERLNAME); 682 return (0); 683 } 684 685 return (1); 686} 687 688/* -------------------------------------------------------------------------- 689 PCI driver section 690 -------------------------------------------------------------------------- */ 691static int divas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 692{ 693 void *pdiva = NULL; 694 u8 pci_latency; 695 u8 new_latency = 32; 696 697 DBG_TRC(("%s bus: %08x fn: %08x insertion.\n", 698 CardProperties[ent->driver_data].Name, 699 pdev->bus->number, pdev->devfn)) 700 printk(KERN_INFO "%s: %s bus: %08x fn: %08x insertion.\n", 701 DRIVERLNAME, CardProperties[ent->driver_data].Name, 702 pdev->bus->number, pdev->devfn); 703 704 if (pci_enable_device(pdev)) { 705 DBG_TRC(("%s: %s bus: %08x fn: %08x device init failed.\n", 706 DRIVERLNAME, 707 CardProperties[ent->driver_data].Name, 708 pdev->bus->number, 709 pdev->devfn)) 710 printk(KERN_ERR 711 "%s: %s bus: %08x fn: %08x device init failed.\n", 712 DRIVERLNAME, 713 CardProperties[ent->driver_data]. 714 Name, pdev->bus->number, 715 pdev->devfn); 716 return (-EIO); 717 } 718 719 pci_set_master(pdev); 720 721 pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency); 722 if (!pci_latency) { 723 DBG_TRC(("%s: bus: %08x fn: %08x fix latency.\n", 724 DRIVERLNAME, pdev->bus->number, pdev->devfn)) 725 printk(KERN_INFO 726 "%s: bus: %08x fn: %08x fix latency.\n", 727 DRIVERLNAME, pdev->bus->number, pdev->devfn); 728 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, new_latency); 729 } 730 731 if (!(pdiva = diva_driver_add_card(pdev, ent->driver_data))) { 732 DBG_TRC(("%s: %s bus: %08x fn: %08x card init failed.\n", 733 DRIVERLNAME, 734 CardProperties[ent->driver_data].Name, 735 pdev->bus->number, 736 pdev->devfn)) 737 printk(KERN_ERR 738 "%s: %s bus: %08x fn: %08x card init failed.\n", 739 DRIVERLNAME, 740 CardProperties[ent->driver_data]. 741 Name, pdev->bus->number, 742 pdev->devfn); 743 return (-EIO); 744 } 745 746 pci_set_drvdata(pdev, pdiva); 747 748 return (0); 749} 750 751static void divas_remove_one(struct pci_dev *pdev) 752{ 753 void *pdiva = pci_get_drvdata(pdev); 754 755 DBG_TRC(("bus: %08x fn: %08x removal.\n", 756 pdev->bus->number, pdev->devfn)) 757 printk(KERN_INFO "%s: bus: %08x fn: %08x removal.\n", 758 DRIVERLNAME, pdev->bus->number, pdev->devfn); 759 760 if (pdiva) { 761 diva_driver_remove_card(pdiva); 762 } 763 764} 765 766/* -------------------------------------------------------------------------- 767 Driver Load / Startup 768 -------------------------------------------------------------------------- */ 769static int __init divas_init(void) 770{ 771 char tmprev[50]; 772 int ret = 0; 773 774 printk(KERN_INFO "%s\n", DRIVERNAME); 775 printk(KERN_INFO "%s: Rel:%s Rev:", DRIVERLNAME, DRIVERRELEASE_DIVAS); 776 strcpy(tmprev, main_revision); 777 printk("%s Build: %s(%s)\n", getrev(tmprev), 778 diva_xdi_common_code_build, DIVA_BUILD); 779 printk(KERN_INFO "%s: support for: ", DRIVERLNAME); 780#ifdef CONFIG_ISDN_DIVAS_BRIPCI 781 printk("BRI/PCI "); 782#endif 783#ifdef CONFIG_ISDN_DIVAS_PRIPCI 784 printk("PRI/PCI "); 785#endif 786 printk("adapters\n"); 787 788 if (!divasfunc_init(dbgmask)) { 789 printk(KERN_ERR "%s: failed to connect to DIDD.\n", 790 DRIVERLNAME); 791 ret = -EIO; 792 goto out; 793 } 794 795 if (!divas_register_chrdev()) { 796#ifdef MODULE 797 divasfunc_exit(); 798#endif 799 ret = -EIO; 800 goto out; 801 } 802 803 if (!create_divas_proc()) { 804#ifdef MODULE 805 divas_unregister_chrdev(); 806 divasfunc_exit(); 807#endif 808 printk(KERN_ERR "%s: failed to create proc entry.\n", 809 DRIVERLNAME); 810 ret = -EIO; 811 goto out; 812 } 813 814 if ((ret = pci_register_driver(&diva_pci_driver))) { 815#ifdef MODULE 816 remove_divas_proc(); 817 divas_unregister_chrdev(); 818 divasfunc_exit(); 819#endif 820 printk(KERN_ERR "%s: failed to init pci driver.\n", 821 DRIVERLNAME); 822 goto out; 823 } 824 printk(KERN_INFO "%s: started with major %d\n", DRIVERLNAME, major); 825 826out: 827 return (ret); 828} 829 830/* -------------------------------------------------------------------------- 831 Driver Unload 832 -------------------------------------------------------------------------- */ 833static void __exit divas_exit(void) 834{ 835 pci_unregister_driver(&diva_pci_driver); 836 remove_divas_proc(); 837 divas_unregister_chrdev(); 838 divasfunc_exit(); 839 840 printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME); 841} 842 843module_init(divas_init); 844module_exit(divas_exit); 845