diff options
Diffstat (limited to 'drivers/isdn/avmb1/b1pci.c')
| -rw-r--r-- | drivers/isdn/avmb1/b1pci.c | 283 |
1 files changed, 219 insertions, 64 deletions
diff --git a/drivers/isdn/avmb1/b1pci.c b/drivers/isdn/avmb1/b1pci.c index 112ddbb81..8c0006a78 100644 --- a/drivers/isdn/avmb1/b1pci.c +++ b/drivers/isdn/avmb1/b1pci.c @@ -1,59 +1,65 @@ /* - * $Id: b1pci.c,v 1.9 1999/04/15 19:49:32 calle Exp $ + * $Id: b1pci.c,v 1.16 1999/08/11 21:01:07 keil Exp $ * * Module for AVM B1 PCI-card. * - * (c) Copyright 1997 by Carsten Paeth (calle@calle.in-berlin.de) + * (c) Copyright 1999 by Carsten Paeth (calle@calle.in-berlin.de) * * $Log: b1pci.c,v $ - * Revision 1.9 1999/04/15 19:49:32 calle - * fix fuer die B1-PCI. Jetzt geht z.B. auch IRQ 17 ... + * Revision 1.16 1999/08/11 21:01:07 keil + * new PCI codefix * - * Revision 1.8 1998/06/17 19:51:16 he - * merged with 2.1.10[34] (cosmetics and udelay() -> mdelay()) - * brute force fix to avoid Ugh's in isdn_tty_write() - * cleaned up some dead code + * Revision 1.15 1999/08/10 16:02:27 calle + * struct pci_dev changed in 2.3.13. Made the necessary changes. * - * Revision 1.7 1998/03/29 16:06:02 calle - * changes from 2.0 tree merged. + * Revision 1.14 1999/07/09 15:05:41 keil + * compat.h is now isdn_compat.h * - * Revision 1.2.2.2 1998/01/23 16:49:30 calle - * added functions for pcmcia cards, - * avmb1_addcard returns now the controller number. + * 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 1.6 1998/02/25 09:15:36 fritz - * apply Martin's pci driver patch to isdn drivers (vgerCVS) + * 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. * - * Revision 1.5 1998/01/31 11:14:43 calle - * merged changes to 2.0 tree, prepare 2.1.82 to work. - * - * Revision 1.4 1997/12/10 20:00:50 calle - * get changes from 2.0 version - * - * Revision 1.3 1997/10/01 09:21:14 fritz - * Removed old compatibility stuff for 2.0.X kernels. - * From now on, this code is for 2.1.X ONLY! - * Old stuff is still in the separate branch. - * - * Revision 1.2 1997/05/18 09:24:13 calle - * added verbose disconnect reason reporting to avmb1. - * some fixes in capi20 interface. - * changed info messages for B1-PCI - * - * Revision 1.1 1997/03/30 17:10:42 calle - * added support for AVM-B1-PCI card. * */ #include <linux/config.h> -#include <linux/string.h> #include <linux/module.h> #include <linux/kernel.h> -#include <linux/pci.h> #include <linux/skbuff.h> -#include "compat.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 <linux/b1lli.h> +#include <asm/io.h> +#include <linux/isdn_compat.h> +#include "capicmd.h" +#include "capiutil.h" +#include "capilli.h" +#include "avmcard.h" + +static char *revision = "$Revision: 1.16 $"; + +/* ------------------------------------------------------------- */ #ifndef PCI_VENDOR_ID_AVM #define PCI_VENDOR_ID_AVM 0x1244 @@ -63,65 +69,213 @@ #define PCI_DEVICE_ID_AVM_B1 0x700 #endif -static char *revision = "$Revision: 1.9 $"; - /* ------------------------------------------------------------- */ 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 "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 b1pci_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); + ctrl->driverdata = 0; + kfree(card); + + MOD_DEC_USE_COUNT; +} + /* ------------------------------------------------------------- */ -/* -------- Init & Cleanup ------------------------------------- */ + +static char *b1pci_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; +} + /* ------------------------------------------------------------- */ -/* - * init / exit functions - */ +static int b1pci_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 "b1pci: no memory.\n"); + return -ENOMEM; + } + memset(card, 0, sizeof(avmcard)); + 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 + "b1pci: ports 0x%03x-0x%03x in use.\n", + card->port, card->port + AVMB1_PORTLEN); + kfree(card); + return -EBUSY; + } + b1_reset(card->port); + if ((retval = b1_detect(card->port, card->cardtype)) != 0) { + printk(KERN_NOTICE "b1pci: 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, b1pci_interrupt, 0, card->name, card); + if (retval) { + printk(KERN_ERR "b1pci: 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 "b1pci: 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 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 MODULE #define b1pci_init init_module +void cleanup_module(void); #endif +static int ncards = 0; + int b1pci_init(void) { - char *p; - char rev[10]; - int rc; + struct capi_driver *driver = &b1pci_driver; struct pci_dev *dev = NULL; + char *p; + int retval; if ((p = strchr(revision, ':'))) { - strcpy(rev, p + 1); - p = strchr(rev, '$'); + strncpy(driver->revision, p + 1, sizeof(driver->revision)); + p = strchr(driver->revision, '$'); *p = 0; - } else - strcpy(rev, " ??? "); + } + + 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_PCI if (!pci_present()) { - printk(KERN_ERR "b1pci: no PCI bus present\n"); + printk(KERN_ERR "%s: no PCI bus present\n", driver->name); + detach_capi_driver(driver); return -EIO; } - printk(KERN_INFO "b1pci: revision %s\n", rev); - while ((dev = pci_find_device(PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_B1, dev))) { - unsigned int ioaddr = dev->base_address[1] & PCI_BASE_ADDRESS_IO_MASK; - unsigned int irq = dev->irq; + struct capicardparams param; + + param.port = get_pcibase(dev, 1) & PCI_BASE_ADDRESS_IO_MASK; + param.irq = dev->irq; printk(KERN_INFO - "b1pci: PCI BIOS reports AVM-B1 at i/o %#x, irq %d\n", - ioaddr, irq); - if ((rc = avmb1_probecard(ioaddr, irq, AVM_CARDTYPE_B1PCI)) != 0) { + "%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 - "b1pci: no AVM-B1 at i/o %#x, irq %d detected\n", - ioaddr, irq); - return rc; + "%s: no AVM-B1 at i/o %#x, irq %d detected\n", + driver->name, param.port, param.irq); +#ifdef MODULE + cleanup_module(); +#endif + return retval; } - if ((rc = avmb1_addcard(ioaddr, irq, AVM_CARDTYPE_B1PCI)) < 0) - return rc; + ncards++; } - return 0; + 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 "b1pci: kernel not compiled with PCI.\n"); return -EIO; @@ -131,5 +285,6 @@ int b1pci_init(void) #ifdef MODULE void cleanup_module(void) { + detach_capi_driver(&b1pci_driver); } #endif |