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;

}
Exemple #2
0
static int b1pciv4_add_card(struct capi_driver *driver, struct capicardparams *p)
{
	unsigned long base, page_offset;
	avmcard *card;
	avmctrl_info *cinfo;
	int retval;

	MOD_INC_USE_COUNT;

	card = (avmcard *) kmalloc(sizeof(avmcard), GFP_ATOMIC);

	if (!card) {
		printk(KERN_WARNING "%s: no memory.\n", driver->name);
	        MOD_DEC_USE_COUNT;
		return -ENOMEM;
	}
	memset(card, 0, sizeof(avmcard));
	card->dma = (avmcard_dmainfo *) kmalloc(sizeof(avmcard_dmainfo), GFP_ATOMIC);
	if (!card->dma) {
		printk(KERN_WARNING "%s: no memory.\n", driver->name);
		kfree(card);
	        MOD_DEC_USE_COUNT;
		return -ENOMEM;
	}
	memset(card->dma, 0, sizeof(avmcard_dmainfo));
        cinfo = (avmctrl_info *) kmalloc(sizeof(avmctrl_info), GFP_ATOMIC);
	if (!cinfo) {
		printk(KERN_WARNING "%s: no memory.\n", driver->name);
		kfree(card->dma);
		kfree(card);
	        MOD_DEC_USE_COUNT;
		return -ENOMEM;
	}
	memset(cinfo, 0, sizeof(avmctrl_info));
	card->ctrlinfo = cinfo;
	cinfo->card = card;
	sprintf(card->name, "b1pciv4-%x", p->port);
	card->port = p->port;
	card->irq = p->irq;
	card->membase = p->membase;
	card->cardtype = avm_b1pci;

	if (check_region(card->port, AVMB1_PORTLEN)) {
		printk(KERN_WARNING
		       "%s: ports 0x%03x-0x%03x in use.\n",
		       driver->name, card->port, card->port + AVMB1_PORTLEN);
	        kfree(card->ctrlinfo);
		kfree(card->dma);
		kfree(card);
	        MOD_DEC_USE_COUNT;
		return -EBUSY;
	}

	base = card->membase & PAGE_MASK;
	page_offset = card->membase - base;
	card->mbase = ioremap_nocache(base, page_offset + 64);
	if (card->mbase) {
		card->mbase += page_offset;
	} else {
		printk(KERN_NOTICE "%s: can't remap memory at 0x%lx\n",
					driver->name, card->membase);
	        kfree(card->ctrlinfo);
		kfree(card->dma);
		kfree(card);
	        MOD_DEC_USE_COUNT;
		return -EIO;
	}

	b1dma_reset(card);

	if ((retval = b1pciv4_detect(card)) != 0) {
		printk(KERN_NOTICE "%s: NO card at 0x%x (%d)\n",
					driver->name, card->port, retval);
                iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK));
	        kfree(card->ctrlinfo);
		kfree(card->dma);
		kfree(card);
	        MOD_DEC_USE_COUNT;
		return -EIO;
	}
	b1dma_reset(card);
	b1_getrevision(card);

	request_region(p->port, AVMB1_PORTLEN, card->name);

	retval = request_irq(card->irq, b1dma_interrupt, SA_SHIRQ, card->name, card);
	if (retval) {
		printk(KERN_ERR "%s: unable to get IRQ %d.\n",
				driver->name, card->irq);
                iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK));
		release_region(card->port, AVMB1_PORTLEN);
	        kfree(card->ctrlinfo);
		kfree(card->dma);
		kfree(card);
	        MOD_DEC_USE_COUNT;
		return -EBUSY;
	}

	cinfo->capi_ctrl = div4->attach_ctr(driver, card->name, cinfo);
	if (!cinfo->capi_ctrl) {
		printk(KERN_ERR "%s: attach controller failed.\n", driver->name);
                iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK));
		free_irq(card->irq, card);
		release_region(card->port, AVMB1_PORTLEN);
	        kfree(card->ctrlinfo);
		kfree(card->dma);
		kfree(card);
	        MOD_DEC_USE_COUNT;
		return -EBUSY;
	}
	card->cardnr = cinfo->capi_ctrl->cnr;

	skb_queue_head_init(&card->dma->send_queue);

	printk(KERN_INFO
		"%s: AVM B1 PCI V4 at i/o %#x, irq %d, mem %#lx, revision %d (dma)\n",
		driver->name, card->port, card->irq,
		card->membase, card->revision);

	return 0;
}