417 lines
11 KiB
C
417 lines
11 KiB
C
|
/* $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.proc_fops = &b1ctl_proc_fops;
|
||
|
|
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.proc_fops = &b1dmactl_proc_fops;
|
||
|
|
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 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 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 = 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, ':')) != NULL && p[1]) {
|
||
|
|
strlcpy(rev, p + 2, 32);
|
||
|
|
if ((p = strchr(rev, '$')) != NULL && 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);
|