t1isa.c

linux-2.6.15.6

		b1_reset(port);
		printk(KERN_ERR "%s: failed to load t4file!!\n",
					card->name);
		return retval;
	}

	if (data->configuration.len > 0 && data->configuration.data) {
		if ((retval = b1_load_config(card, &data->configuration))) {
			b1_reset(port);
			printk(KERN_ERR "%s: failed to load config!!\n",
					card->name);
			return retval;
		}
	}

	if (!b1_loaded(card)) {
		printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
		return -EIO;
	}

	spin_lock_irqsave(&card->lock, flags);
	b1_setinterrupt(port, card->irq, card->cardtype);
	b1_put_byte(port, SEND_INIT);
	b1_put_word(port, CAPI_MAXAPPL);
	b1_put_word(port, AVM_NCCI_PER_CHANNEL*30);
	b1_put_word(port, ctrl->cnr - 1);
	spin_unlock_irqrestore(&card->lock, flags);

	return 0;
}

static void t1isa_reset_ctr(struct capi_ctr *ctrl)
{
	avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
	avmcard *card = cinfo->card;
	unsigned int port = card->port;

	t1_disable_irq(port);
	b1_reset(port);
	b1_reset(port);

	memset(cinfo->version, 0, sizeof(cinfo->version));
	capilib_release(&cinfo->ncci_head);
	capi_ctr_reseted(ctrl);
}

static void t1isa_remove(struct pci_dev *pdev)
{
	avmctrl_info *cinfo = pci_get_drvdata(pdev);
	avmcard *card;
	
	if (!cinfo)
		return;

	card = cinfo->card;

	t1_disable_irq(card->port);
	b1_reset(card->port);
	b1_reset(card->port);
	t1_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 u16 t1isa_send_message(struct capi_ctr *ctrl, struct sk_buff *skb);
static char *t1isa_procinfo(struct capi_ctr *ctrl);

static int t1isa_probe(struct pci_dev *pdev, int cardnr)
{
	avmctrl_info *cinfo;
	avmcard *card;
	int retval;

	card = b1_alloc_card(1);
	if (!card) {
		printk(KERN_WARNING "t1isa: no memory.\n");
		retval = -ENOMEM;
		goto err;
	}

	cinfo = card->ctrlinfo;
	card->port = pci_resource_start(pdev, 0);
	card->irq = pdev->irq;
	card->cardtype = avm_t1isa;
	card->cardnr = cardnr;
	sprintf(card->name, "t1isa-%x", card->port);

	if (!(((card->port & 0x7) == 0) && ((card->port & 0x30) != 0x30))) {
		printk(KERN_WARNING "t1isa: invalid port 0x%x.\n", card->port);
		retval = -EINVAL;
		goto err_free;
        }
	if (hema_irq_table[card->irq & 0xf] == 0) {
		printk(KERN_WARNING "t1isa: irq %d not valid.\n", card->irq);
		retval = -EINVAL;
		goto err_free;
	}
	if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
		printk(KERN_INFO "t1isa: ports 0x%03x-0x%03x in use.\n",
		       card->port, card->port + AVMB1_PORTLEN);
		retval = -EBUSY;
		goto err_free;
	}
	retval = request_irq(card->irq, t1isa_interrupt, 0, card->name, card);
	if (retval) {
		printk(KERN_INFO "t1isa: unable to get IRQ %d.\n", card->irq);
		retval = -EBUSY;
		goto err_release_region;
	}

        if ((retval = t1_detectandinit(card->port, card->irq, card->cardnr)) != 0) {
		printk(KERN_INFO "t1isa: NO card at 0x%x (%d)\n",
		       card->port, retval);
		retval = -ENODEV;
		goto err_free_irq;
	}
	t1_disable_irq(card->port);
	b1_reset(card->port);

	cinfo->capi_ctrl.owner = THIS_MODULE;
	cinfo->capi_ctrl.driver_name   = "t1isa";
	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  = t1isa_send_message;
	cinfo->capi_ctrl.load_firmware = t1isa_load_firmware;
	cinfo->capi_ctrl.reset_ctr     = t1isa_reset_ctr;
	cinfo->capi_ctrl.procinfo      = t1isa_procinfo;
	cinfo->capi_ctrl.ctr_read_proc = b1ctl_read_proc;
	strcpy(cinfo->capi_ctrl.name, card->name);

	retval = attach_capi_ctr(&cinfo->capi_ctrl);
	if (retval) {
		printk(KERN_INFO "t1isa: attach controller failed.\n");
		goto err_free_irq;
	}

	printk(KERN_INFO "t1isa: AVM T1 ISA at i/o %#x, irq %d, card %d\n",
	       card->port, card->irq, card->cardnr);

	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 u16 t1isa_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
{
	avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
	avmcard *card = cinfo->card;
	unsigned int port = card->port;
	unsigned long flags;
	u16 len = CAPIMSG_LEN(skb->data);
	u8 cmd = CAPIMSG_COMMAND(skb->data);
	u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
	u16 dlen, retval;

	if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
		retval = capilib_data_b3_req(&cinfo->ncci_head,
					     CAPIMSG_APPID(skb->data),
					     CAPIMSG_NCCI(skb->data),
					     CAPIMSG_MSGID(skb->data));
		if (retval != CAPI_NOERROR) 
			return retval;

		dlen = CAPIMSG_DATALEN(skb->data);

		spin_lock_irqsave(&card->lock, flags);
		b1_put_byte(port, SEND_DATA_B3_REQ);
		t1_put_slice(port, skb->data, len);
		t1_put_slice(port, skb->data + len, dlen);
		spin_unlock_irqrestore(&card->lock, flags);
	} else {

		spin_lock_irqsave(&card->lock, flags);
		b1_put_byte(port, SEND_MESSAGE);
		t1_put_slice(port, skb->data, len);
		spin_unlock_irqrestore(&card->lock, flags);
	}

	dev_kfree_skb_any(skb);
	return CAPI_NOERROR;
}
/* ------------------------------------------------------------- */

static char *t1isa_procinfo(struct capi_ctr *ctrl)
{
	avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);

	if (!cinfo)
		return "";
	sprintf(cinfo->infobuf, "%s %s 0x%x %d %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->cardnr : 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];
static int cardnr[MAX_CARDS];

MODULE_PARM(io, "1-" __MODULE_STRING(MAX_CARDS) "i");
MODULE_PARM(irq, "1-" __MODULE_STRING(MAX_CARDS) "i");
MODULE_PARM(cardnr, "1-" __MODULE_STRING(MAX_CARDS) "i");
MODULE_PARM_DESC(io, "I/O base address(es)");
MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)");
MODULE_PARM_DESC(cardnr, "Card number(s) (as jumpered)");

static int t1isa_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 (t1isa_probe(&isa_dev[i], data->cardnr) == 0)
			return 0;
	}
	return -ENODEV;
}

static struct capi_driver capi_driver_t1isa = {
	.name		= "t1isa",
	.revision	= "1.0",
	.add_card       = t1isa_add_card,
};

static int __init t1isa_init(void)
{
	char rev[32];
	char *p;
	int i;

	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");

	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 (t1isa_probe(&isa_dev[i], cardnr[i]) != 0)
			return -ENODEV;
	}

	strlcpy(capi_driver_t1isa.revision, rev, 32);
	register_capi_driver(&capi_driver_t1isa);
	printk(KERN_INFO "t1isa: revision %s\n", rev);

	return 0;
}

static void __exit t1isa_exit(void)
{
	int i;

	for (i = 0; i < MAX_CARDS; i++) {
		if (!io[i])
			break;

		t1isa_remove(&isa_dev[i]);
	}
}

module_init(t1isa_init);
module_exit(t1isa_exit);