|  | /* $Id: b1pci.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $ | 
|  | * | 
|  | * Module for AVM B1 PCI-card. | 
|  | * | 
|  | * Copyright 1999 by Carsten Paeth <calle@calle.de> | 
|  | * | 
|  | * This software may be used and distributed according to the terms | 
|  | * of the GNU General Public License, incorporated herein by reference. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #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 <linux/init.h> | 
|  | #include <linux/isdn/capicmd.h> | 
|  | #include <linux/isdn/capiutil.h> | 
|  | #include <linux/isdn/capilli.h> | 
|  | #include "avmcard.h" | 
|  |  | 
|  | /* ------------------------------------------------------------- */ | 
|  |  | 
|  | static char *revision = "$Revision: 1.1.2.2 $"; | 
|  |  | 
|  | /* ------------------------------------------------------------- */ | 
|  |  | 
|  | static struct pci_device_id b1pci_pci_tbl[] = { | 
|  | { PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_B1, PCI_ANY_ID, PCI_ANY_ID }, | 
|  | { }				/* Terminating entry */ | 
|  | }; | 
|  |  | 
|  | MODULE_DEVICE_TABLE(pci, b1pci_pci_tbl); | 
|  | MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 PCI card"); | 
|  | MODULE_AUTHOR("Carsten Paeth"); | 
|  | MODULE_LICENSE("GPL"); | 
|  |  | 
|  | /* ------------------------------------------------------------- */ | 
|  |  | 
|  | 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_probe(struct capicardparams *p, struct pci_dev *pdev) | 
|  | { | 
|  | avmcard *card; | 
|  | avmctrl_info *cinfo; | 
|  | int retval; | 
|  |  | 
|  | card = b1_alloc_card(1); | 
|  | if (!card) { | 
|  | printk(KERN_WARNING "b1pci: no memory.\n"); | 
|  | retval = -ENOMEM; | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | cinfo = card->ctrlinfo; | 
|  | sprintf(card->name, "b1pci-%x", p->port); | 
|  | card->port = p->port; | 
|  | card->irq = p->irq; | 
|  | card->cardtype = avm_b1pci; | 
|  |  | 
|  | if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { | 
|  | printk(KERN_WARNING "b1pci: ports 0x%03x-0x%03x in use.\n", | 
|  | card->port, card->port + AVMB1_PORTLEN); | 
|  | retval = -EBUSY; | 
|  | goto err_free; | 
|  | } | 
|  | b1_reset(card->port); | 
|  | retval = b1_detect(card->port, card->cardtype); | 
|  | if (retval) { | 
|  | printk(KERN_NOTICE "b1pci: NO card at 0x%x (%d)\n", | 
|  | card->port, retval); | 
|  | retval = -ENODEV; | 
|  | goto err_release_region; | 
|  | } | 
|  | b1_reset(card->port); | 
|  | b1_getrevision(card); | 
|  |  | 
|  | retval = request_irq(card->irq, b1_interrupt, IRQF_SHARED, card->name, card); | 
|  | if (retval) { | 
|  | printk(KERN_ERR "b1pci: unable to get IRQ %d.\n", card->irq); | 
|  | retval = -EBUSY; | 
|  | goto err_release_region; | 
|  | } | 
|  |  | 
|  | cinfo->capi_ctrl.driver_name   = "b1pci"; | 
|  | 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      = b1pci_procinfo; | 
|  | cinfo->capi_ctrl.ctr_read_proc = b1ctl_read_proc; | 
|  | strcpy(cinfo->capi_ctrl.name, card->name); | 
|  | cinfo->capi_ctrl.owner         = THIS_MODULE; | 
|  |  | 
|  | retval = attach_capi_ctr(&cinfo->capi_ctrl); | 
|  | if (retval) { | 
|  | printk(KERN_ERR "b1pci: attach controller failed.\n"); | 
|  | goto err_free_irq; | 
|  | } | 
|  |  | 
|  | if (card->revision >= 4) { | 
|  | printk(KERN_INFO "b1pci: AVM B1 PCI V4 at i/o %#x, irq %d, revision %d (no dma)\n", | 
|  | card->port, card->irq, card->revision); | 
|  | } else { | 
|  | printk(KERN_INFO "b1pci: AVM B1 PCI at i/o %#x, irq %d, revision %d\n", | 
|  | card->port, card->irq, card->revision); | 
|  | } | 
|  |  | 
|  | pci_set_drvdata(pdev, card); | 
|  | 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 void b1pci_remove(struct pci_dev *pdev) | 
|  | { | 
|  | avmcard *card = pci_get_drvdata(pdev); | 
|  | avmctrl_info *cinfo = card->ctrlinfo; | 
|  | unsigned int port = card->port; | 
|  |  | 
|  | b1_reset(port); | 
|  | b1_reset(port); | 
|  |  | 
|  | detach_capi_ctr(&cinfo->capi_ctrl); | 
|  | free_irq(card->irq, card); | 
|  | release_region(card->port, AVMB1_PORTLEN); | 
|  | b1_free_card(card); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | 
|  | /* ------------------------------------------------------------- */ | 
|  |  | 
|  | 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_probe(struct capicardparams *p, struct pci_dev *pdev) | 
|  | { | 
|  | avmcard *card; | 
|  | avmctrl_info *cinfo; | 
|  | int retval; | 
|  |  | 
|  | card = b1_alloc_card(1); | 
|  | if (!card) { | 
|  | printk(KERN_WARNING "b1pci: no memory.\n"); | 
|  | retval = -ENOMEM; | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | card->dma = avmcard_dma_alloc("b1pci", pdev, 2048+128, 2048+128); | 
|  | if (!card->dma) { | 
|  | printk(KERN_WARNING "b1pci: dma alloc.\n"); | 
|  | retval = -ENOMEM; | 
|  | goto err_free; | 
|  | } | 
|  |  | 
|  | cinfo = card->ctrlinfo; | 
|  | sprintf(card->name, "b1pciv4-%x", p->port); | 
|  | card->port = p->port; | 
|  | card->irq = p->irq; | 
|  | card->membase = p->membase; | 
|  | card->cardtype = avm_b1pci; | 
|  |  | 
|  | if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { | 
|  | printk(KERN_WARNING "b1pci: ports 0x%03x-0x%03x in use.\n", | 
|  | card->port, card->port + AVMB1_PORTLEN); | 
|  | retval = -EBUSY; | 
|  | goto err_free_dma; | 
|  | } | 
|  |  | 
|  | card->mbase = ioremap(card->membase, 64); | 
|  | if (!card->mbase) { | 
|  | printk(KERN_NOTICE "b1pci: can't remap memory at 0x%lx\n", | 
|  | card->membase); | 
|  | retval = -ENOMEM; | 
|  | goto err_release_region; | 
|  | } | 
|  |  | 
|  | b1dma_reset(card); | 
|  |  | 
|  | retval = b1pciv4_detect(card); | 
|  | if (retval) { | 
|  | printk(KERN_NOTICE "b1pci: NO card at 0x%x (%d)\n", | 
|  | card->port, retval); | 
|  | retval = -ENODEV; | 
|  | goto err_unmap; | 
|  | } | 
|  | b1dma_reset(card); | 
|  | b1_getrevision(card); | 
|  |  | 
|  | retval = request_irq(card->irq, b1dma_interrupt, IRQF_SHARED, card->name, card); | 
|  | if (retval) { | 
|  | printk(KERN_ERR "b1pci: unable to get IRQ %d.\n", | 
|  | card->irq); | 
|  | retval = -EBUSY; | 
|  | goto err_unmap; | 
|  | } | 
|  |  | 
|  | cinfo->capi_ctrl.owner         = THIS_MODULE; | 
|  | cinfo->capi_ctrl.driver_name   = "b1pciv4"; | 
|  | cinfo->capi_ctrl.driverdata    = cinfo; | 
|  | cinfo->capi_ctrl.register_appl = b1dma_register_appl; | 
|  | cinfo->capi_ctrl.release_appl  = b1dma_release_appl; | 
|  | cinfo->capi_ctrl.send_message  = b1dma_send_message; | 
|  | cinfo->capi_ctrl.load_firmware = b1dma_load_firmware; | 
|  | cinfo->capi_ctrl.reset_ctr     = b1dma_reset_ctr; | 
|  | cinfo->capi_ctrl.procinfo      = b1pciv4_procinfo; | 
|  | cinfo->capi_ctrl.ctr_read_proc = b1dmactl_read_proc; | 
|  | strcpy(cinfo->capi_ctrl.name, card->name); | 
|  |  | 
|  | retval = attach_capi_ctr(&cinfo->capi_ctrl); | 
|  | if (retval) { | 
|  | printk(KERN_ERR "b1pci: attach controller failed.\n"); | 
|  | goto err_free_irq; | 
|  | } | 
|  | card->cardnr = cinfo->capi_ctrl.cnr; | 
|  |  | 
|  | printk(KERN_INFO "b1pci: AVM B1 PCI V4 at i/o %#x, irq %d, mem %#lx, revision %d (dma)\n", | 
|  | card->port, card->irq, card->membase, card->revision); | 
|  |  | 
|  | pci_set_drvdata(pdev, card); | 
|  | return 0; | 
|  |  | 
|  | err_free_irq: | 
|  | free_irq(card->irq, card); | 
|  | err_unmap: | 
|  | iounmap(card->mbase); | 
|  | err_release_region: | 
|  | release_region(card->port, AVMB1_PORTLEN); | 
|  | err_free_dma: | 
|  | avmcard_dma_free(card->dma); | 
|  | err_free: | 
|  | b1_free_card(card); | 
|  | err: | 
|  | return retval; | 
|  |  | 
|  | } | 
|  |  | 
|  | static void b1pciv4_remove(struct pci_dev *pdev) | 
|  | { | 
|  | avmcard *card = pci_get_drvdata(pdev); | 
|  | avmctrl_info *cinfo = card->ctrlinfo; | 
|  |  | 
|  | b1dma_reset(card); | 
|  |  | 
|  | detach_capi_ctr(&cinfo->capi_ctrl); | 
|  | free_irq(card->irq, card); | 
|  | iounmap(card->mbase); | 
|  | release_region(card->port, AVMB1_PORTLEN); | 
|  | avmcard_dma_free(card->dma); | 
|  | b1_free_card(card); | 
|  | } | 
|  |  | 
|  | #endif /* CONFIG_ISDN_DRV_AVMB1_B1PCIV4 */ | 
|  |  | 
|  | static int __devinit b1pci_pci_probe(struct pci_dev *pdev, | 
|  | const struct pci_device_id *ent) | 
|  | { | 
|  | struct capicardparams param; | 
|  | int retval; | 
|  |  | 
|  | if (pci_enable_device(pdev) < 0) { | 
|  | printk(KERN_ERR "b1pci: failed to enable AVM-B1\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  | param.irq = pdev->irq; | 
|  |  | 
|  | if (pci_resource_start(pdev, 2)) { /* B1 PCI V4 */ | 
|  | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | 
|  | pci_set_master(pdev); | 
|  | #endif | 
|  | param.membase = pci_resource_start(pdev, 0); | 
|  | param.port = pci_resource_start(pdev, 2); | 
|  |  | 
|  | printk(KERN_INFO "b1pci: PCI BIOS reports AVM-B1 V4 at i/o %#x, irq %d, mem %#x\n", | 
|  | param.port, param.irq, param.membase); | 
|  | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | 
|  | retval = b1pciv4_probe(¶m, pdev); | 
|  | #else | 
|  | retval = b1pci_probe(¶m, pdev); | 
|  | #endif | 
|  | if (retval != 0) { | 
|  | printk(KERN_ERR "b1pci: no AVM-B1 V4 at i/o %#x, irq %d, mem %#x detected\n", | 
|  | param.port, param.irq, param.membase); | 
|  | } | 
|  | } else { | 
|  | param.membase = 0; | 
|  | param.port = pci_resource_start(pdev, 1); | 
|  |  | 
|  | printk(KERN_INFO "b1pci: PCI BIOS reports AVM-B1 at i/o %#x, irq %d\n", | 
|  | param.port, param.irq); | 
|  | retval = b1pci_probe(¶m, pdev); | 
|  | if (retval != 0) { | 
|  | printk(KERN_ERR "b1pci: no AVM-B1 at i/o %#x, irq %d detected\n", | 
|  | param.port, param.irq); | 
|  | } | 
|  | } | 
|  | return retval; | 
|  | } | 
|  |  | 
|  | static void __devexit b1pci_pci_remove(struct pci_dev *pdev) | 
|  | { | 
|  | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | 
|  | avmcard *card = pci_get_drvdata(pdev); | 
|  |  | 
|  | if (card->dma) | 
|  | b1pciv4_remove(pdev); | 
|  | else | 
|  | b1pci_remove(pdev); | 
|  | #else | 
|  | b1pci_remove(pdev); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static struct pci_driver b1pci_pci_driver = { | 
|  | .name		= "b1pci", | 
|  | .id_table	= b1pci_pci_tbl, | 
|  | .probe		= b1pci_pci_probe, | 
|  | .remove		= __devexit_p(b1pci_pci_remove), | 
|  | }; | 
|  |  | 
|  | static struct capi_driver capi_driver_b1pci = { | 
|  | .name		= "b1pci", | 
|  | .revision	= "1.0", | 
|  | }; | 
|  | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | 
|  | static struct capi_driver capi_driver_b1pciv4 = { | 
|  | .name		= "b1pciv4", | 
|  | .revision	= "1.0", | 
|  | }; | 
|  | #endif | 
|  |  | 
|  | static int __init b1pci_init(void) | 
|  | { | 
|  | char *p; | 
|  | char rev[32]; | 
|  | int err; | 
|  |  | 
|  | if ((p = strchr(revision, ':')) != 0 && p[1]) { | 
|  | strlcpy(rev, p + 2, 32); | 
|  | if ((p = strchr(rev, '$')) != 0 && p > rev) | 
|  | *(p-1) = 0; | 
|  | } else | 
|  | strcpy(rev, "1.0"); | 
|  |  | 
|  |  | 
|  | err = pci_register_driver(&b1pci_pci_driver); | 
|  | if (!err) { | 
|  | strlcpy(capi_driver_b1pci.revision, rev, 32); | 
|  | register_capi_driver(&capi_driver_b1pci); | 
|  | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | 
|  | strlcpy(capi_driver_b1pciv4.revision, rev, 32); | 
|  | register_capi_driver(&capi_driver_b1pciv4); | 
|  | #endif | 
|  | printk(KERN_INFO "b1pci: revision %s\n", rev); | 
|  | } | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static void __exit b1pci_exit(void) | 
|  | { | 
|  | unregister_capi_driver(&capi_driver_b1pci); | 
|  | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | 
|  | unregister_capi_driver(&capi_driver_b1pciv4); | 
|  | #endif | 
|  | pci_unregister_driver(&b1pci_pci_driver); | 
|  | } | 
|  |  | 
|  | module_init(b1pci_init); | 
|  | module_exit(b1pci_exit); |