/* $Id: b1isa.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $ * * Module for AVM B1 ISA-card. * * Copyright 1999 by Carsten Paeth * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "avmcard.h" /* ------------------------------------------------------------- */ static char *revision = "$Revision: 1.1.2.3 $"; /* ------------------------------------------------------------- */ MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 ISA card"); MODULE_AUTHOR("Carsten Paeth"); MODULE_LICENSE("GPL"); /* ------------------------------------------------------------- */ static void b1isa_remove(struct pci_dev *pdev) { avmctrl_info *cinfo = pci_get_drvdata(pdev); avmcard *card; if (!cinfo) return; card = cinfo->card; b1_reset(card->port); b1_reset(card->port); detach_capi_ctr(&cinfo->capi_ctrl); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); b1_free_card(card); } /* ------------------------------------------------------------- */ static char *b1isa_procinfo(struct capi_ctr *ctrl); static int b1isa_probe(struct pci_dev *pdev) { avmctrl_info *cinfo; avmcard *card; int retval; card = b1_alloc_card(1); if (!card) { printk(KERN_WARNING "b1isa: no memory.\n"); retval = -ENOMEM; goto err; } cinfo = card->ctrlinfo; card->port = pci_resource_start(pdev, 0); card->irq = pdev->irq; card->cardtype = avm_b1isa; sprintf(card->name, "b1isa-%x", card->port); if (card->port != 0x150 && card->port != 0x250 && card->port != 0x300 && card->port != 0x340) { printk(KERN_WARNING "b1isa: invalid port 0x%x.\n", card->port); retval = -EINVAL; goto err_free; } if (b1_irq_table[card->irq & 0xf] == 0) { printk(KERN_WARNING "b1isa: irq %d not valid.\n", card->irq); retval = -EINVAL; goto err_free; } if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { printk(KERN_WARNING "b1isa: ports 0x%03x-0x%03x in use.\n", card->port, card->port + AVMB1_PORTLEN); retval = -EBUSY; goto err_free; } retval = request_irq(card->irq, b1_interrupt, 0, card->name, card); if (retval) { printk(KERN_ERR "b1isa: unable to get IRQ %d.\n", card->irq); goto err_release_region; } 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); retval = -ENODEV; goto err_free_irq; } b1_reset(card->port); b1_getrevision(card); cinfo->capi_ctrl.owner = THIS_MODULE; cinfo->capi_ctrl.driver_name = "b1isa"; cinfo->capi_ctrl.driverdata = cinfo; cinfo->capi_ctrl.register_appl = b1_register_appl; cinfo->capi_ctrl.release_appl = b1_release_appl; cinfo->capi_ctrl.send_message = b1_send_message; cinfo->capi_ctrl.load_firmware = b1_load_firmware; cinfo->capi_ctrl.reset_ctr = b1_reset_ctr; cinfo->capi_ctrl.procinfo = b1isa_procinfo; cinfo->capi_ctrl.proc_show = b1_proc_show; strcpy(cinfo->capi_ctrl.name, card->name); retval = attach_capi_ctr(&cinfo->capi_ctrl); if (retval) { printk(KERN_ERR "b1isa: attach controller failed.\n"); goto err_free_irq; } printk(KERN_INFO "b1isa: AVM B1 ISA at i/o %#x, irq %d, revision %d\n", card->port, card->irq, card->revision); pci_set_drvdata(pdev, cinfo); return 0; err_free_irq: free_irq(card->irq, card); err_release_region: release_region(card->port, AVMB1_PORTLEN); err_free: b1_free_card(card); err: return retval; } static char *b1isa_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; } /* ------------------------------------------------------------- */ #define MAX_CARDS 4 static struct pci_dev isa_dev[MAX_CARDS]; static int io[MAX_CARDS]; static int irq[MAX_CARDS]; module_param_hw_array(io, int, ioport, NULL, 0); module_param_hw_array(irq, int, irq, NULL, 0); MODULE_PARM_DESC(io, "I/O base address(es)"); MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)"); static int b1isa_add_card(struct capi_driver *driver, capicardparams *data) { int i; for (i = 0; i < MAX_CARDS; i++) { if (isa_dev[i].resource[0].start) continue; isa_dev[i].resource[0].start = data->port; isa_dev[i].irq = data->irq; if (b1isa_probe(&isa_dev[i]) == 0) return 0; } return -ENODEV; } static struct capi_driver capi_driver_b1isa = { .name = "b1isa", .revision = "1.0", .add_card = b1isa_add_card, }; static int __init b1isa_init(void) { char *p; char rev[32]; int i; if ((p = strchr(revision, ':')) != NULL && p[1]) { strlcpy(rev, p + 2, 32); if ((p = strchr(rev, '$')) != NULL && p > rev) *(p - 1) = 0; } else strcpy(rev, "1.0"); for (i = 0; i < MAX_CARDS; i++) { if (!io[i]) break; isa_dev[i].resource[0].start = io[i]; isa_dev[i].irq = irq[i]; if (b1isa_probe(&isa_dev[i]) != 0) return -ENODEV; } strlcpy(capi_driver_b1isa.revision, rev, 32); register_capi_driver(&capi_driver_b1isa); printk(KERN_INFO "b1isa: revision %s\n", rev); return 0; } static void __exit b1isa_exit(void) { int i; for (i = 0; i < MAX_CARDS; i++) { if (isa_dev[i].resource[0].start) b1isa_remove(&isa_dev[i]); } unregister_capi_driver(&capi_driver_b1isa); } module_init(b1isa_init); module_exit(b1isa_exit);