/* * $Id: b1isa.c,v 1.4 1999/08/22 20:26:24 calle Exp $ * * Module for AVM B1 ISA-card. * * (c) Copyright 1999 by Carsten Paeth (calle@calle.in-berlin.de) * * $Log: b1isa.c,v $ * Revision 1.4 1999/08/22 20:26:24 calle * backported changes from kernel 2.3.14: * - several #include "config.h" gone, others come. * - "struct device" changed to "struct net_device" in 2.3.14, added a * define in isdn_compat.h for older kernel versions. * * Revision 1.3 1999/07/09 15:05:40 keil * compat.h is now isdn_compat.h * * Revision 1.2 1999/07/05 15:09:49 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 1.1 1999/07/01 15:26:27 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 #include #include #include #include #include #include #include #include #include #include "capicmd.h" #include "capiutil.h" #include "capilli.h" #include "avmcard.h" static char *revision = "$Revision: 1.4 $"; /* ------------------------------------------------------------- */ MODULE_AUTHOR("Carsten Paeth "); /* ------------------------------------------------------------- */ static struct capi_driver_interface *di; /* ------------------------------------------------------------- */ static void b1isa_interrupt(int interrupt, void *devptr, struct pt_regs *regs) { avmcard *card; card = (avmcard *) devptr; if (!card) { printk(KERN_WARNING "b1_interrupt: wrong device\n"); return; } if (card->interrupt) { printk(KERN_ERR "b1_interrupt: reentering interrupt hander (%s)\n", card->name); return; } card->interrupt = 1; b1_handle_interrupt(card); card->interrupt = 0; } /* ------------------------------------------------------------- */ static void b1isa_remove_ctr(struct capi_ctr *ctrl) { avmcard *card = (avmcard *)(ctrl->driverdata); 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); kfree(card); MOD_DEC_USE_COUNT; } /* ------------------------------------------------------------- */ static int b1isa_add_card(struct capi_driver *driver, struct capicardparams *p) { avmcard *card; int retval; card = (avmcard *) kmalloc(sizeof(avmcard), GFP_ATOMIC); if (!card) { printk(KERN_WARNING "b1isa: no memory.\n"); return -ENOMEM; } memset(card, 0, sizeof(avmcard)); sprintf(card->name, "b1isa-%x", p->port); card->port = p->port; card->irq = p->irq; card->cardtype = avm_b1isa; if (check_region(card->port, AVMB1_PORTLEN)) { printk(KERN_WARNING "b1isa: ports 0x%03x-0x%03x in use.\n", card->port, card->port + AVMB1_PORTLEN); kfree(card); return -EBUSY; } if (b1_irq_table[card->irq & 0xf] == 0) { printk(KERN_WARNING "b1isa: irq %d not valid.\n", card->irq); kfree(card); return -EINVAL; } if ( card->port != 0x150 && card->port != 0x250 && card->port != 0x300 && card->port != 0x340) { printk(KERN_WARNING "b1isa: illegal port 0x%x.\n", card->port); kfree(card); return -EINVAL; } b1_reset(card->port); if ((retval = b1_detect(card->port, card->cardtype)) != 0) { printk(KERN_NOTICE "b1isa: NO card at 0x%x (%d)\n", card->port, retval); kfree(card); return -EIO; } b1_reset(card->port); request_region(p->port, AVMB1_PORTLEN, card->name); retval = request_irq(card->irq, b1isa_interrupt, 0, card->name, card); if (retval) { printk(KERN_ERR "b1isa: unable to get IRQ %d.\n", card->irq); release_region(card->port, AVMB1_PORTLEN); kfree(card); return -EBUSY; } card->ctrl = di->attach_ctr(driver, card->name, card); if (!card->ctrl) { printk(KERN_ERR "b1isa: attach controller failed.\n"); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); kfree(card); return -EBUSY; } MOD_INC_USE_COUNT; return 0; } static char *b1isa_procinfo(struct capi_ctr *ctrl) { avmcard *card = (avmcard *)(ctrl->driverdata); if (!card) return ""; sprintf(card->infobuf, "%s %s 0x%x %d", card->cardname[0] ? card->cardname : "-", card->version[VER_DRIVER] ? card->version[VER_DRIVER] : "-", card->port, card->irq ); return card->infobuf; } /* ------------------------------------------------------------- */ static struct capi_driver b1isa_driver = { "b1isa", "0.0", b1_load_firmware, b1_reset_ctr, b1isa_remove_ctr, b1_register_appl, b1_release_appl, b1_send_message, b1isa_procinfo, b1ctl_read_proc, 0, /* use standard driver_read_proc */ b1isa_add_card, }; #ifdef MODULE #define b1isa_init init_module void cleanup_module(void); #endif int b1isa_init(void) { struct capi_driver *driver = &b1isa_driver; char *p; 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; } return 0; } #ifdef MODULE void cleanup_module(void) { detach_capi_driver(&b1isa_driver); } #endif