Example #1
0
static int toim3232_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	IRDA_DEBUG(2, "%s()\n", __func__);

	/* Pull the lines high to start with.
	 *
	 * For the IR320ST-2, we need to charge the main supply capacitor to
	 * switch the device on. We keep DTR high throughout to do this.
	 * When RTS, TD and RD are high, they will also trickle-charge the
	 * cap. RTS is high for data transmission, and low for baud rate select.
	 * 	-- DGB
	 */
	sirdev_set_dtr_rts(dev, TRUE, TRUE);

	/* The TOI3232 supports many speeds between 1200bps and 115000bps.
	 * We really only care about those supported by the IRDA spec, but
	 * 38400 seems to be implemented in many places */
	qos->baud_rate.bits &= IR_2400|IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;

	/* From the tekram driver. Not sure what a reasonable value is -- DGB */
	qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */
	irda_qos_bits_to_value(qos);

	/* irda thread waits 50 msec for power settling */

	return 0;
}
Example #2
0
static void tekram_open(dongle_t *self, struct qos_info *qos)
{
	IRDA_DEBUG(2, __FUNCTION__ "()\n");

	qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */	
	irda_qos_bits_to_value(qos);

	MOD_INC_USE_COUNT;
}
Example #3
0
static int esi_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	qos->baud_rate.bits &= IR_9600|IR_19200|IR_115200;
	qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */
	irda_qos_bits_to_value(qos);

	/* shouldn't we do set_dtr_rts(FALSE, TRUE) here (power up at 9600)? */

	return 0;
}
Example #4
0
static int tekram_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	sirdev_set_dtr_rts(dev, TRUE, TRUE);

	qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */	
	irda_qos_bits_to_value(qos);

	/* irda thread waits 50 msec for power settling */

	return 0;
}
Example #5
0
static int mcp2120_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	IRDA_DEBUG(2, "%s()\n", __func__);

	/* seems no explicit power-on required here and reset switching it on anyway */

	qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	qos->min_turn_time.bits = 0x01;
	irda_qos_bits_to_value(qos);

	return 0;
}
Example #6
0
static int esi_open(struct sir_dev *dev)
{
    struct qos_info *qos = &dev->qos;


    sirdev_set_dtr_rts(dev, FALSE, TRUE);

    qos->baud_rate.bits &= IR_9600|IR_19200|IR_115200;
    qos->min_turn_time.bits = 0x01;
    irda_qos_bits_to_value(qos);



    return 0;
}
Example #7
0
static int esi_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	/* Power up and set dongle to 9600 baud */
	sirdev_set_dtr_rts(dev, FALSE, TRUE);

	qos->baud_rate.bits &= IR_9600|IR_19200|IR_115200;
	qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */
	irda_qos_bits_to_value(qos);

	/* irda thread waits 50 msec for power settling */

	return 0;
}
static int tekram_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	IRDA_DEBUG(2, "%s()\n", __func__);

	sirdev_set_dtr_rts(dev, TRUE, TRUE);

	qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	qos->min_turn_time.bits = 0x01; 	
	irda_qos_bits_to_value(qos);

	

	return 0;
}
Example #9
0
/*
	Power on:
		(0) Clear RTS and DTR for 1 second
		(1) Set RTS and DTR for 1 second
		(2) 9600 bps now
	Note: assume RTS, DTR are clear before
*/
static void ma600_open(dongle_t *self, struct qos_info *qos)
{
	IRDA_DEBUG(2, "%s()\n", __FUNCTION__);

	qos->baud_rate.bits &= IR_2400|IR_9600|IR_19200|IR_38400
				|IR_57600|IR_115200;
	qos->min_turn_time.bits = 0x01;		/* Needs at least 1 ms */	
	irda_qos_bits_to_value(qos);

	//self->set_dtr_rts(self->dev, FALSE, FALSE);
	// should wait 1 second

	self->set_dtr_rts(self->dev, TRUE, TRUE);
	// should wait 1 second

	MOD_INC_USE_COUNT;
}
Example #10
0
static int girbil_open(struct sir_dev *dev)
{
    struct qos_info *qos = &dev->qos;

    IRDA_DEBUG(2, "%s()\n", __FUNCTION__);

    /* Power on dongle */
    sirdev_set_dtr_rts(dev, TRUE, TRUE);

    qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
    qos->min_turn_time.bits = 0x03;
    irda_qos_bits_to_value(qos);

    /* irda thread waits 50 msec for power settling */

    return 0;
}
Example #11
0
static int actisys_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	dev->set_dtr_rts(dev, TRUE, TRUE);

	/* Set the speeds we can accept */
	qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;

	/* Remove support for 38400 if this is not a 220L+ dongle */
	if (dev->dongle_drv->type == IRDA_ACTISYS_DONGLE)
		qos->baud_rate.bits &= ~IR_38400;

	qos->min_turn_time.bits = 0x7f; /* Needs 0.01 ms */
	irda_qos_bits_to_value(qos);

	return 0;
}
static int litelink_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	IRDA_DEBUG(2, "%s()\n", __func__);

	/* Power up dongle */
	sirdev_set_dtr_rts(dev, TRUE, TRUE);

	/* Set the speeds we can accept */
	qos->baud_rate.bits &= IR_115200|IR_57600|IR_38400|IR_19200|IR_9600;
	qos->min_turn_time.bits = 0x7f; /* Needs 0.01 ms */
	irda_qos_bits_to_value(qos);

	/* irda thread waits 50 msec for power settling */

	return 0;
}
Example #13
0
static int old_belkin_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	IRDA_DEBUG(2, "%s()\n", __FUNCTION__);

	/* Power on dongle */
	sirdev_set_dtr_rts(dev, TRUE, TRUE);

	/* Not too fast, please... */
	qos->baud_rate.bits &= IR_9600;
	/* Needs at least 10 ms (totally wild guess, can do probably better) */
	qos->min_turn_time.bits = 0x01;
	irda_qos_bits_to_value(qos);

	/* irda thread waits 50 msec for power settling */

	return 0;
}
Example #14
0
/*
	Power on:
		(0) Clear RTS and DTR for 1 second
		(1) Set RTS and DTR for 1 second
		(2) 9600 bps now
	Note: assume RTS, DTR are clear before
*/
static int ma600_open(struct sir_dev *dev)
{
	struct qos_info *qos = &dev->qos;

	IRDA_DEBUG(2, "%s()\n", __func__);

	sirdev_set_dtr_rts(dev, TRUE, TRUE);

	/* Explicitly set the speeds we can accept */
	qos->baud_rate.bits &= IR_2400|IR_9600|IR_19200|IR_38400
				|IR_57600|IR_115200;
	/* Hm, 0x01 means 10ms - for >= 1ms we would need 0x07 */
	qos->min_turn_time.bits = 0x01;		/* Needs at least 1 ms */	
	irda_qos_bits_to_value(qos);

	/* irda thread waits 50 msec for power settling */

	return 0;
}
Example #15
0
static int __devinit bfin_sir_probe(struct platform_device *pdev)
{
	struct net_device *dev;
	struct bfin_sir_self *self;
	unsigned int baudrate_mask;
	struct bfin_sir_port *sir_port;
	int err;

	if (pdev->id >= 0 && pdev->id < ARRAY_SIZE(per) && \
				per[pdev->id][3] == pdev->id) {
		err = peripheral_request_list(per[pdev->id], DRIVER_NAME);
		if (err)
			return err;
	} else {
		dev_err(&pdev->dev, "Invalid pdev id, please check board file\n");
		return -ENODEV;
	}

	err = -ENOMEM;
	sir_port = kmalloc(sizeof(*sir_port), GFP_KERNEL);
	if (!sir_port)
		goto err_mem_0;

	bfin_sir_init_ports(sir_port, pdev);

	dev = alloc_irdadev(sizeof(*self));
	if (!dev)
		goto err_mem_1;

	self = netdev_priv(dev);
	self->dev = &pdev->dev;
	self->sir_port = sir_port;
	sir_port->dev = dev;

	err = bfin_sir_init_iobuf(&self->rx_buff, IRDA_SKB_MAX_MTU);
	if (err)
		goto err_mem_2;
	err = bfin_sir_init_iobuf(&self->tx_buff, IRDA_SIR_MAX_FRAME);
	if (err)
		goto err_mem_3;

	dev->netdev_ops = &bfin_sir_ndo;
	dev->irq = sir_port->irq;

	irda_init_max_qos_capabilies(&self->qos);

	baudrate_mask = IR_9600;

	switch (max_rate) {
	case 115200:
		baudrate_mask |= IR_115200;
	case 57600:
		baudrate_mask |= IR_57600;
	case 38400:
		baudrate_mask |= IR_38400;
	case 19200:
		baudrate_mask |= IR_19200;
	case 9600:
		break;
	default:
		dev_warn(&pdev->dev, "Invalid maximum baud rate, using 9600\n");
	}

	self->qos.baud_rate.bits &= baudrate_mask;

	self->qos.min_turn_time.bits = 1; /* 10 ms or more */

	irda_qos_bits_to_value(&self->qos);

	err = register_netdev(dev);

	if (err) {
		kfree(self->tx_buff.head);
err_mem_3:
		kfree(self->rx_buff.head);
err_mem_2:
		free_netdev(dev);
err_mem_1:
		kfree(sir_port);
err_mem_0:
		peripheral_free_list(per[pdev->id]);
	} else
		platform_set_drvdata(pdev, sir_port);

	return err;
}
struct irport_cb *
irport_open(int i, unsigned int iobase, unsigned int irq)
{
	struct net_device *dev;
	struct irport_cb *self;

	IRDA_DEBUG(1, "%s()\n", __FUNCTION__);

	/* Lock the port that we need */
	if (!request_region(iobase, IO_EXTENT, driver_name)) {
		IRDA_DEBUG(0, "%s(), can't get iobase of 0x%03x\n",
			   __FUNCTION__, iobase);
		goto err_out1;
	}

	/*
	 *  Allocate new instance of the driver
	 */
	dev = alloc_irdadev(sizeof(struct irport_cb));
	if (!dev) {
		ERROR("%s(), can't allocate memory for "
		      "irda device!\n", __FUNCTION__);
		goto err_out2;
	}

	self = dev->priv;
	spin_lock_init(&self->lock);

	/* Need to store self somewhere */
	dev_self[i] = self;
	self->priv = self;
	self->index = i;

	/* Initialize IO */
	self->io.sir_base  = iobase;
        self->io.sir_ext   = IO_EXTENT;
        self->io.irq       = irq;
        self->io.fifo_size = 16;		/* 16550A and compatible */

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&self->qos);
	
	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200;

	self->qos.min_turn_time.bits = qos_mtt_bits;
	irda_qos_bits_to_value(&self->qos);
	
	/* Bootstrap ZeroCopy Rx */
	self->rx_buff.truesize = IRDA_SKB_MAX_MTU;
	self->rx_buff.skb = __dev_alloc_skb(self->rx_buff.truesize,
					    GFP_KERNEL);
	if (self->rx_buff.skb == NULL) {
		ERROR("%s(), can't allocate memory for "
		      "receive buffer!\n", __FUNCTION__);
		goto err_out3;
	}
	skb_reserve(self->rx_buff.skb, 1);
	self->rx_buff.head = self->rx_buff.skb->data;
	/* No need to memset the buffer, unless you are really pedantic */

	/* Finish setup the Rx buffer descriptor */
	self->rx_buff.in_frame = FALSE;
	self->rx_buff.state = OUTSIDE_FRAME;
	self->rx_buff.data = self->rx_buff.head;

	/* Specify how much memory we want */
	self->tx_buff.truesize = 4000;
	
	/* Allocate memory if needed */
	if (self->tx_buff.truesize > 0) {
		self->tx_buff.head = (__u8 *) kmalloc(self->tx_buff.truesize, 
						      GFP_KERNEL);
		if (self->tx_buff.head == NULL) {
			ERROR("%s(), can't allocate memory for "
			      "transmit buffer!\n", __FUNCTION__);
			goto err_out4;
		}
		memset(self->tx_buff.head, 0, self->tx_buff.truesize);
	}	
	self->tx_buff.data = self->tx_buff.head;

	self->netdev = dev;
	/* Keep track of module usage */
	SET_MODULE_OWNER(dev);

	/* May be overridden by piggyback drivers */
	self->interrupt    = irport_interrupt;
	self->change_speed = irport_change_speed;

	/* Override the network functions we need to use */
	dev->hard_start_xmit = irport_hard_xmit;
	dev->tx_timeout	     = irport_timeout;
	dev->watchdog_timeo  = HZ;  /* Allow time enough for speed change */
	dev->open            = irport_net_open;
	dev->stop            = irport_net_close;
	dev->get_stats	     = irport_net_get_stats;
	dev->do_ioctl        = irport_net_ioctl;

	/* Make ifconfig display some details */
	dev->base_addr = iobase;
	dev->irq = irq;

	if (register_netdev(dev)) {
		ERROR("%s(), register_netdev() failed!\n", __FUNCTION__);
		goto err_out5;
	}
	MESSAGE("IrDA: Registered device %s (irport io=0x%X irq=%d)\n",
		dev->name, iobase, irq);

	return self;
 err_out5:
	kfree(self->tx_buff.head);
 err_out4:
	kfree_skb(self->rx_buff.skb);
 err_out3:
	free_netdev(dev);
	dev_self[i] = NULL;
 err_out2:
	release_region(iobase, IO_EXTENT);
 err_out1:
	return NULL;
}
Example #17
0
static int sa1100_irda_probe(struct platform_device *pdev)
{
	struct net_device *dev;
	struct sa1100_irda *si;
	unsigned int baudrate_mask;
	int err;

	if (!pdev->dev.platform_data)
		return -EINVAL;

	err = request_mem_region(__PREG(Ser2UTCR0), 0x24, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_1;
	err = request_mem_region(__PREG(Ser2HSCR0), 0x1c, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_2;
	err = request_mem_region(__PREG(Ser2HSCR2), 0x04, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_3;

	dev = alloc_irdadev(sizeof(struct sa1100_irda));
	if (!dev)
		goto err_mem_4;

	si = dev->priv;
	si->dev = &pdev->dev;
	si->pdata = pdev->dev.platform_data;

	/*
	 * Initialise the HP-SIR buffers
	 */
	err = sa1100_irda_init_iobuf(&si->rx_buff, 14384);
	if (err)
		goto err_mem_5;
	err = sa1100_irda_init_iobuf(&si->tx_buff, 4000);
	if (err)
		goto err_mem_5;

	dev->hard_start_xmit	= sa1100_irda_hard_xmit;
	dev->open		= sa1100_irda_start;
	dev->stop		= sa1100_irda_stop;
	dev->do_ioctl		= sa1100_irda_ioctl;
	dev->get_stats		= sa1100_irda_stats;
	dev->irq		= IRQ_Ser2ICP;

	irda_init_max_qos_capabilies(&si->qos);

	/*
	 * We support original IRDA up to 115k2. (we don't currently
	 * support 4Mbps).  Min Turn Time set to 1ms or greater.
	 */
	baudrate_mask = IR_9600;

	switch (max_rate) {
	case 4000000:		baudrate_mask |= IR_4000000 << 8;
	case 115200:		baudrate_mask |= IR_115200;
	case 57600:		baudrate_mask |= IR_57600;
	case 38400:		baudrate_mask |= IR_38400;
	case 19200:		baudrate_mask |= IR_19200;
	}
		
	si->qos.baud_rate.bits &= baudrate_mask;
	si->qos.min_turn_time.bits = 7;

	irda_qos_bits_to_value(&si->qos);

	si->utcr4 = UTCR4_HPSIR;
	if (tx_lpm)
		si->utcr4 |= UTCR4_Z1_6us;

	/*
	 * Initially enable HP-SIR modulation, and ensure that the port
	 * is disabled.
	 */
	Ser2UTCR3 = 0;
	Ser2UTCR4 = si->utcr4;
	Ser2HSCR0 = HSCR0_UART;

	err = register_netdev(dev);
	if (err == 0)
		platform_set_drvdata(pdev, dev);

	if (err) {
 err_mem_5:
		kfree(si->tx_buff.head);
		kfree(si->rx_buff.head);
		free_netdev(dev);
 err_mem_4:
		release_mem_region(__PREG(Ser2HSCR2), 0x04);
 err_mem_3:
		release_mem_region(__PREG(Ser2HSCR0), 0x1c);
 err_mem_2:
		release_mem_region(__PREG(Ser2UTCR0), 0x24);
	}
 err_mem_1:
	return err;
}
Example #18
0
/*
 * This routine is called by the USB subsystem for each new device
 * in the system. We need to check if the device is ours, and in
 * this case start handling it.
 */
static int ksdazzle_probe(struct usb_interface *intf,
			  const struct usb_device_id *id)
{
	struct usb_host_interface *interface;
	struct usb_endpoint_descriptor *endpoint;

	struct usb_device *dev = interface_to_usbdev(intf);
	struct ksdazzle_cb *kingsun = NULL;
	struct net_device *net = NULL;
	int ret = -ENOMEM;
	int pipe, maxp_in, maxp_out;
	__u8 ep_in;
	__u8 ep_out;

	/* Check that there really are two interrupt endpoints. Check based on the
	   one in drivers/usb/input/usbmouse.c
	 */
	interface = intf->cur_altsetting;
	if (interface->desc.bNumEndpoints != 2) {
		err("ksdazzle: expected 2 endpoints, found %d",
		    interface->desc.bNumEndpoints);
		return -ENODEV;
	}
	endpoint = &interface->endpoint[KINGSUN_EP_IN].desc;
	if (!usb_endpoint_is_int_in(endpoint)) {
		err("ksdazzle: endpoint 0 is not interrupt IN");
		return -ENODEV;
	}

	ep_in = endpoint->bEndpointAddress;
	pipe = usb_rcvintpipe(dev, ep_in);
	maxp_in = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
	if (maxp_in > 255 || maxp_in <= 1) {
		err("ksdazzle: endpoint 0 has max packet size %d not in range [2..255]", maxp_in);
		return -ENODEV;
	}

	endpoint = &interface->endpoint[KINGSUN_EP_OUT].desc;
	if (!usb_endpoint_is_int_out(endpoint)) {
		err("ksdazzle: endpoint 1 is not interrupt OUT");
		return -ENODEV;
	}

	ep_out = endpoint->bEndpointAddress;
	pipe = usb_sndintpipe(dev, ep_out);
	maxp_out = usb_maxpacket(dev, pipe, usb_pipeout(pipe));

	/* Allocate network device container. */
	net = alloc_irdadev(sizeof(*kingsun));
	if (!net)
		goto err_out1;

	SET_NETDEV_DEV(net, &intf->dev);
	kingsun = netdev_priv(net);
	kingsun->netdev = net;
	kingsun->usbdev = dev;
	kingsun->ep_in = ep_in;
	kingsun->ep_out = ep_out;
	kingsun->irlap = NULL;
	kingsun->tx_urb = NULL;
	kingsun->tx_buf_clear = NULL;
	kingsun->tx_buf_clear_used = 0;
	kingsun->tx_buf_clear_sent = 0;

	kingsun->rx_urb = NULL;
	kingsun->rx_buf = NULL;
	kingsun->rx_unwrap_buff.in_frame = FALSE;
	kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;
	kingsun->rx_unwrap_buff.skb = NULL;
	kingsun->receiving = 0;
	spin_lock_init(&kingsun->lock);

	kingsun->speed_setuprequest = NULL;
	kingsun->speed_urb = NULL;
	kingsun->speedparams.baudrate = 0;

	/* Allocate input buffer */
	kingsun->rx_buf = kmalloc(KINGSUN_RCV_MAX, GFP_KERNEL);
	if (!kingsun->rx_buf)
		goto free_mem;

	/* Allocate output buffer */
	kingsun->tx_buf_clear = kmalloc(KINGSUN_SND_FIFO_SIZE, GFP_KERNEL);
	if (!kingsun->tx_buf_clear)
		goto free_mem;

	/* Allocate and initialize speed setup packet */
	kingsun->speed_setuprequest =
	    kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
	if (!kingsun->speed_setuprequest)
		goto free_mem;
	kingsun->speed_setuprequest->bRequestType =
	    USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
	kingsun->speed_setuprequest->bRequest = KINGSUN_REQ_SEND;
	kingsun->speed_setuprequest->wValue = cpu_to_le16(0x0200);
	kingsun->speed_setuprequest->wIndex = cpu_to_le16(0x0001);
	kingsun->speed_setuprequest->wLength =
	    cpu_to_le16(sizeof(struct ksdazzle_speedparams));

	printk(KERN_INFO "KingSun/Dazzle IRDA/USB found at address %d, "
	       "Vendor: %x, Product: %x\n",
	       dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
	       le16_to_cpu(dev->descriptor.idProduct));

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&kingsun->qos);

	/* Baud rates known to be supported. Please uncomment if devices (other
	   than a SonyEriccson K300 phone) can be shown to support higher speeds
	   with this dongle.
	 */
	kingsun->qos.baud_rate.bits =
	    IR_2400 | IR_9600 | IR_19200 | IR_38400 | IR_57600 | IR_115200;
	kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;
	irda_qos_bits_to_value(&kingsun->qos);

	/* Override the network functions we need to use */
	net->netdev_ops = &ksdazzle_ops;

	ret = register_netdev(net);
	if (ret != 0)
		goto free_mem;

	dev_info(&net->dev, "IrDA: Registered KingSun/Dazzle device %s\n",
		 net->name);

	usb_set_intfdata(intf, kingsun);

	/* Situation at this point:
	   - all work buffers allocated
	   - setup requests pre-filled
	   - urbs not allocated, set to NULL
	   - max rx packet known (is KINGSUN_FIFO_SIZE)
	   - unwrap state machine (partially) initialized, but skb == NULL
	 */

	return 0;

      free_mem:
	kfree(kingsun->speed_setuprequest);
	kfree(kingsun->tx_buf_clear);
	kfree(kingsun->rx_buf);
	free_netdev(net);
      err_out1:
	return ret;
}
Example #19
0
/*
 * Function nsc_ircc_open (iobase, irq)
 *
 *    Open driver instance
 *
 */
static int nsc_ircc_open(int i, chipio_t *info)
{
	struct net_device *dev;
	struct nsc_ircc_cb *self;
        struct pm_dev *pmdev;
	void *ret;
	int err;

	IRDA_DEBUG(2, "%s()\n", __FUNCTION__);

	MESSAGE("%s, Found chip at base=0x%03x\n", driver_name,
		info->cfg_base);

	if ((nsc_ircc_setup(info)) == -1)
		return -1;

	MESSAGE("%s, driver loaded (Dag Brattli)\n", driver_name);

	/* Allocate new instance of the driver */
	self = kmalloc(sizeof(struct nsc_ircc_cb), GFP_KERNEL);
	if (self == NULL) {
		ERROR("%s(), can't allocate memory for "
		       "control block!\n", __FUNCTION__);
		return -ENOMEM;
	}
	memset(self, 0, sizeof(struct nsc_ircc_cb));
	spin_lock_init(&self->lock);
   
	/* Need to store self somewhere */
	dev_self[i] = self;
	self->index = i;

	/* Initialize IO */
	self->io.cfg_base  = info->cfg_base;
	self->io.fir_base  = info->fir_base;
        self->io.irq       = info->irq;
        self->io.fir_ext   = CHIP_IO_EXTENT;
        self->io.dma       = info->dma;
        self->io.fifo_size = 32;
	
	/* Reserve the ioports that we need */
	ret = request_region(self->io.fir_base, self->io.fir_ext, driver_name);
	if (!ret) {
		WARNING("%s(), can't get iobase of 0x%03x\n",
			__FUNCTION__, self->io.fir_base);
		dev_self[i] = NULL;
		kfree(self);
		return -ENODEV;
	}

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&self->qos);
	
	/* The only value we must override it the baudrate */
	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200|IR_576000|IR_1152000 |(IR_4000000 << 8);
	
	self->qos.min_turn_time.bits = qos_mtt_bits;
	irda_qos_bits_to_value(&self->qos);
	
	self->flags = IFF_FIR|IFF_MIR|IFF_SIR|IFF_DMA|IFF_PIO|IFF_DONGLE;

	/* Max DMA buffer size needed = (data_size + 6) * (window_size) + 6; */
	self->rx_buff.truesize = 14384; 
	self->tx_buff.truesize = 14384;

	/* Allocate memory if needed */
	self->rx_buff.head = (__u8 *) kmalloc(self->rx_buff.truesize,
					      GFP_KERNEL|GFP_DMA);
	if (self->rx_buff.head == NULL) {
		kfree(self);
		return -ENOMEM;
	}
	memset(self->rx_buff.head, 0, self->rx_buff.truesize);
	
	self->tx_buff.head = (__u8 *) kmalloc(self->tx_buff.truesize, 
					      GFP_KERNEL|GFP_DMA);
	if (self->tx_buff.head == NULL) {
		kfree(self->rx_buff.head);
		kfree(self);
		return -ENOMEM;
	}
	memset(self->tx_buff.head, 0, self->tx_buff.truesize);

	self->rx_buff.in_frame = FALSE;
	self->rx_buff.state = OUTSIDE_FRAME;
	self->tx_buff.data = self->tx_buff.head;
	self->rx_buff.data = self->rx_buff.head;
	
	/* Reset Tx queue info */
	self->tx_fifo.len = self->tx_fifo.ptr = self->tx_fifo.free = 0;
	self->tx_fifo.tail = self->tx_buff.head;

	if (!(dev = dev_alloc("irda%d", &err))) {
		ERROR("%s(), dev_alloc() failed!\n", __FUNCTION__);
		return -ENOMEM;
	}

	dev->priv = (void *) self;
	self->netdev = dev;

	/* Override the network functions we need to use */
	dev->init            = nsc_ircc_net_init;
	dev->hard_start_xmit = nsc_ircc_hard_xmit_sir;
	dev->open            = nsc_ircc_net_open;
	dev->stop            = nsc_ircc_net_close;
	dev->do_ioctl        = nsc_ircc_net_ioctl;
	dev->get_stats	     = nsc_ircc_net_get_stats;

	rtnl_lock();
	err = register_netdevice(dev);
	rtnl_unlock();
	if (err) {
		ERROR("%s(), register_netdev() failed!\n", __FUNCTION__);
		return -1;
	}
	MESSAGE("IrDA: Registered device %s\n", dev->name);

	/* Check if user has supplied the dongle id or not */
	if (!dongle_id) {
		dongle_id = nsc_ircc_read_dongle_id(self->io.fir_base);
		
		MESSAGE("%s, Found dongle: %s\n", driver_name,
			dongle_types[dongle_id]);
	} else {
		MESSAGE("%s, Using dongle: %s\n", driver_name,
			dongle_types[dongle_id]);
	}
	
	self->io.dongle_id = dongle_id;
	nsc_ircc_init_dongle_interface(self->io.fir_base, dongle_id);

        pmdev = pm_register(PM_SYS_DEV, PM_SYS_IRDA, nsc_ircc_pmproc);
        if (pmdev)
                pmdev->data = self;

	return 0;
}
static int w83977af_open(int i, unsigned int iobase, unsigned int irq,
			 unsigned int dma)
{
	struct net_device *dev;
        struct w83977af_ir *self;
	int err;

	IRDA_DEBUG(0, "%s()\n", __func__ );

	
	if (!request_region(iobase, CHIP_IO_EXTENT, driver_name)) {
		IRDA_DEBUG(0, "%s(), can't get iobase of 0x%03x\n",
		      __func__ , iobase);
		return -ENODEV;
	}

	if (w83977af_probe(iobase, irq, dma) == -1) {
		err = -1;
		goto err_out;
	}
	dev = alloc_irdadev(sizeof(struct w83977af_ir));
	if (dev == NULL) {
		printk( KERN_ERR "IrDA: Can't allocate memory for "
			"IrDA control block!\n");
		err = -ENOMEM;
		goto err_out;
	}

	self = netdev_priv(dev);
	spin_lock_init(&self->lock);
   

	
	self->io.fir_base   = iobase;
        self->io.irq       = irq;
        self->io.fir_ext   = CHIP_IO_EXTENT;
        self->io.dma       = dma;
        self->io.fifo_size = 32;

	
	irda_init_max_qos_capabilies(&self->qos);
	
	

	
	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200|IR_576000|IR_1152000|(IR_4000000 << 8);

	
	self->qos.min_turn_time.bits = qos_mtt_bits;
	irda_qos_bits_to_value(&self->qos);
	
	
	self->rx_buff.truesize = 14384; 
	self->tx_buff.truesize = 4000;
	
	
	self->rx_buff.head =
		dma_alloc_coherent(NULL, self->rx_buff.truesize,
				   &self->rx_buff_dma, GFP_KERNEL);
	if (self->rx_buff.head == NULL) {
		err = -ENOMEM;
		goto err_out1;
	}

	memset(self->rx_buff.head, 0, self->rx_buff.truesize);
	
	self->tx_buff.head =
		dma_alloc_coherent(NULL, self->tx_buff.truesize,
				   &self->tx_buff_dma, GFP_KERNEL);
	if (self->tx_buff.head == NULL) {
		err = -ENOMEM;
		goto err_out2;
	}
	memset(self->tx_buff.head, 0, self->tx_buff.truesize);

	self->rx_buff.in_frame = FALSE;
	self->rx_buff.state = OUTSIDE_FRAME;
	self->tx_buff.data = self->tx_buff.head;
	self->rx_buff.data = self->rx_buff.head;
	self->netdev = dev;

	dev->netdev_ops	= &w83977_netdev_ops;

	err = register_netdev(dev);
	if (err) {
		IRDA_ERROR("%s(), register_netdevice() failed!\n", __func__);
		goto err_out3;
	}
	IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);

	
	dev_self[i] = self;
	
	return 0;
err_out3:
	dma_free_coherent(NULL, self->tx_buff.truesize,
			  self->tx_buff.head, self->tx_buff_dma);
err_out2:	
	dma_free_coherent(NULL, self->rx_buff.truesize,
			  self->rx_buff.head, self->rx_buff_dma);
err_out1:
	free_netdev(dev);
err_out:
	release_region(iobase, CHIP_IO_EXTENT);
	return err;
}
static int __init nsc_ircc_open(chipio_t *info)
{
	struct net_device *dev;
	struct nsc_ircc_cb *self;
	void *ret;
	int err, chip_index;

	IRDA_DEBUG(2, "%s()\n", __func__);


 	for (chip_index = 0; chip_index < ARRAY_SIZE(dev_self); chip_index++) {
		if (!dev_self[chip_index])
			break;
	}

	if (chip_index == ARRAY_SIZE(dev_self)) {
		IRDA_ERROR("%s(), maximum number of supported chips reached!\n", __func__);
		return -ENOMEM;
	}

	IRDA_MESSAGE("%s, Found chip at base=0x%03x\n", driver_name,
		     info->cfg_base);

	if ((nsc_ircc_setup(info)) == -1)
		return -1;

	IRDA_MESSAGE("%s, driver loaded (Dag Brattli)\n", driver_name);

	dev = alloc_irdadev(sizeof(struct nsc_ircc_cb));
	if (dev == NULL) {
		IRDA_ERROR("%s(), can't allocate memory for "
			   "control block!\n", __func__);
		return -ENOMEM;
	}

	self = netdev_priv(dev);
	self->netdev = dev;
	spin_lock_init(&self->lock);
   
	
	dev_self[chip_index] = self;
	self->index = chip_index;

	
	self->io.cfg_base  = info->cfg_base;
	self->io.fir_base  = info->fir_base;
        self->io.irq       = info->irq;
        self->io.fir_ext   = CHIP_IO_EXTENT;
        self->io.dma       = info->dma;
        self->io.fifo_size = 32;
	
	
	ret = request_region(self->io.fir_base, self->io.fir_ext, driver_name);
	if (!ret) {
		IRDA_WARNING("%s(), can't get iobase of 0x%03x\n",
			     __func__, self->io.fir_base);
		err = -ENODEV;
		goto out1;
	}

	
	irda_init_max_qos_capabilies(&self->qos);
	
	
	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200|IR_576000|IR_1152000 |(IR_4000000 << 8);
	
	self->qos.min_turn_time.bits = qos_mtt_bits;
	irda_qos_bits_to_value(&self->qos);
	
	
	self->rx_buff.truesize = 14384; 
	self->tx_buff.truesize = 14384;

	
	self->rx_buff.head =
		dma_alloc_coherent(NULL, self->rx_buff.truesize,
				   &self->rx_buff_dma, GFP_KERNEL);
	if (self->rx_buff.head == NULL) {
		err = -ENOMEM;
		goto out2;

	}
	memset(self->rx_buff.head, 0, self->rx_buff.truesize);
	
	self->tx_buff.head =
		dma_alloc_coherent(NULL, self->tx_buff.truesize,
				   &self->tx_buff_dma, GFP_KERNEL);
	if (self->tx_buff.head == NULL) {
		err = -ENOMEM;
		goto out3;
	}
	memset(self->tx_buff.head, 0, self->tx_buff.truesize);

	self->rx_buff.in_frame = FALSE;
	self->rx_buff.state = OUTSIDE_FRAME;
	self->tx_buff.data = self->tx_buff.head;
	self->rx_buff.data = self->rx_buff.head;
	
	
	self->tx_fifo.len = self->tx_fifo.ptr = self->tx_fifo.free = 0;
	self->tx_fifo.tail = self->tx_buff.head;

	
	dev->netdev_ops = &nsc_ircc_sir_ops;

	err = register_netdev(dev);
	if (err) {
		IRDA_ERROR("%s(), register_netdev() failed!\n", __func__);
		goto out4;
	}
	IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);

	
	if ((dongle_id <= 0) ||
	    (dongle_id >= ARRAY_SIZE(dongle_types))) {
		dongle_id = nsc_ircc_read_dongle_id(self->io.fir_base);
		
		IRDA_MESSAGE("%s, Found dongle: %s\n", driver_name,
			     dongle_types[dongle_id]);
	} else {
		IRDA_MESSAGE("%s, Using dongle: %s\n", driver_name,
			     dongle_types[dongle_id]);
	}
	
	self->io.dongle_id = dongle_id;
	nsc_ircc_init_dongle_interface(self->io.fir_base, dongle_id);

 	self->pldev = platform_device_register_simple(NSC_IRCC_DRIVER_NAME,
 						      self->index, NULL, 0);
 	if (IS_ERR(self->pldev)) {
 		err = PTR_ERR(self->pldev);
 		goto out5;
 	}
 	platform_set_drvdata(self->pldev, self);

	return chip_index;

 out5:
 	unregister_netdev(dev);
 out4:
	dma_free_coherent(NULL, self->tx_buff.truesize,
			  self->tx_buff.head, self->tx_buff_dma);
 out3:
	dma_free_coherent(NULL, self->rx_buff.truesize,
			  self->rx_buff.head, self->rx_buff_dma);
 out2:
	release_region(self->io.fir_base, self->io.fir_ext);
 out1:
	free_netdev(dev);
	dev_self[chip_index] = NULL;
	return err;
}
Example #22
0
/*
 * This routine is called by the USB subsystem for each new device
 * in the system. We need to check if the device is ours, and in
 * this case start handling it.
 */
static int ks959_probe(struct usb_interface *intf,
		       const struct usb_device_id *id)
{
	struct usb_device *dev = interface_to_usbdev(intf);
	struct ks959_cb *kingsun = NULL;
	struct net_device *net = NULL;
	int ret = -ENOMEM;

	/* Allocate network device container. */
	net = alloc_irdadev(sizeof(*kingsun));
	if (!net)
		goto err_out1;

	SET_NETDEV_DEV(net, &intf->dev);
	kingsun = netdev_priv(net);
	kingsun->netdev = net;
	kingsun->usbdev = dev;
	kingsun->irlap = NULL;
	kingsun->tx_setuprequest = NULL;
	kingsun->tx_urb = NULL;
	kingsun->tx_buf_clear = NULL;
	kingsun->tx_buf_xored = NULL;
	kingsun->tx_buf_clear_used = 0;
	kingsun->tx_buf_clear_sent = 0;

	kingsun->rx_setuprequest = NULL;
	kingsun->rx_urb = NULL;
	kingsun->rx_buf = NULL;
	kingsun->rx_variable_xormask = 0;
	kingsun->rx_unwrap_buff.in_frame = FALSE;
	kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;
	kingsun->rx_unwrap_buff.skb = NULL;
	kingsun->receiving = 0;
	spin_lock_init(&kingsun->lock);

	kingsun->speed_setuprequest = NULL;
	kingsun->speed_urb = NULL;
	kingsun->speedparams.baudrate = 0;

	/* Allocate input buffer */
	kingsun->rx_buf = kmalloc(KINGSUN_RCV_FIFO_SIZE, GFP_KERNEL);
	if (!kingsun->rx_buf)
		goto free_mem;

	/* Allocate input setup packet */
	kingsun->rx_setuprequest =
	    kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
	if (!kingsun->rx_setuprequest)
		goto free_mem;
	kingsun->rx_setuprequest->bRequestType =
	    USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
	kingsun->rx_setuprequest->bRequest = KINGSUN_REQ_RECV;
	kingsun->rx_setuprequest->wValue = cpu_to_le16(0x0200);
	kingsun->rx_setuprequest->wIndex = 0;
	kingsun->rx_setuprequest->wLength = cpu_to_le16(KINGSUN_RCV_FIFO_SIZE);

	/* Allocate output buffer */
	kingsun->tx_buf_clear = kmalloc(KINGSUN_SND_FIFO_SIZE, GFP_KERNEL);
	if (!kingsun->tx_buf_clear)
		goto free_mem;
	kingsun->tx_buf_xored = kmalloc(KINGSUN_SND_PACKET_SIZE, GFP_KERNEL);
	if (!kingsun->tx_buf_xored)
		goto free_mem;

	/* Allocate and initialize output setup packet */
	kingsun->tx_setuprequest =
	    kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
	if (!kingsun->tx_setuprequest)
		goto free_mem;
	kingsun->tx_setuprequest->bRequestType =
	    USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
	kingsun->tx_setuprequest->bRequest = KINGSUN_REQ_SEND;
	kingsun->tx_setuprequest->wValue = 0;
	kingsun->tx_setuprequest->wIndex = 0;
	kingsun->tx_setuprequest->wLength = 0;

	/* Allocate and initialize speed setup packet */
	kingsun->speed_setuprequest =
	    kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
	if (!kingsun->speed_setuprequest)
		goto free_mem;
	kingsun->speed_setuprequest->bRequestType =
	    USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
	kingsun->speed_setuprequest->bRequest = KINGSUN_REQ_SEND;
	kingsun->speed_setuprequest->wValue = cpu_to_le16(0x0200);
	kingsun->speed_setuprequest->wIndex = cpu_to_le16(0x0001);
	kingsun->speed_setuprequest->wLength =
	    cpu_to_le16(sizeof(struct ks959_speedparams));

//	printk(KERN_INFO "KingSun KS-959 IRDA/USB found at address %d, "
//	       "Vendor: %x, Product: %x\n",
//	       dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
;

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&kingsun->qos);

	/* Baud rates known to be supported. Please uncomment if devices (other
	   than a SonyEriccson K300 phone) can be shown to support higher speed
	   with this dongle.
	 */
	kingsun->qos.baud_rate.bits =
	    IR_2400 | IR_9600 | IR_19200 | IR_38400 | IR_57600;
	kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;
	irda_qos_bits_to_value(&kingsun->qos);

	/* Override the network functions we need to use */
	net->netdev_ops = &ks959_ops;

	ret = register_netdev(net);
	if (ret != 0)
		goto free_mem;

	dev_info(&net->dev, "IrDA: Registered KingSun KS-959 device %s\n",
		 net->name);

	usb_set_intfdata(intf, kingsun);

	/* Situation at this point:
	   - all work buffers allocated
	   - setup requests pre-filled
	   - urbs not allocated, set to NULL
	   - max rx packet known (is KINGSUN_FIFO_SIZE)
	   - unwrap state machine (partially) initialized, but skb == NULL
	 */

	return 0;

      free_mem:
	kfree(kingsun->speed_setuprequest);
	kfree(kingsun->tx_setuprequest);
	kfree(kingsun->tx_buf_xored);
	kfree(kingsun->tx_buf_clear);
	kfree(kingsun->rx_setuprequest);
	kfree(kingsun->rx_buf);
	free_netdev(net);
      err_out1:
	return ret;
}
Example #23
0
/*
 * Function ali_ircc_open (int i, chipio_t *inf)
 *
 *    Open driver instance
 *
 */
static int ali_ircc_open(int i, chipio_t *info)
{
	struct net_device *dev;
	struct ali_ircc_cb *self;
	int dongle_id;
	int err;
			
	if (i >= ARRAY_SIZE(dev_self)) {
		net_err_ratelimited("%s(), maximum number of supported chips reached!\n",
				    __func__);
		return -ENOMEM;
	}
	
	/* Set FIR FIFO and DMA Threshold */
	if ((ali_ircc_setup(info)) == -1)
		return -1;
		
	dev = alloc_irdadev(sizeof(*self));
	if (dev == NULL) {
		net_err_ratelimited("%s(), can't allocate memory for control block!\n",
				    __func__);
		return -ENOMEM;
	}

	self = netdev_priv(dev);
	self->netdev = dev;
	spin_lock_init(&self->lock);
   
	/* Need to store self somewhere */
	dev_self[i] = self;
	self->index = i;

	/* Initialize IO */
	self->io.cfg_base  = info->cfg_base;	/* In ali_ircc_probe_53 assign 		*/
	self->io.fir_base  = info->fir_base;	/* info->sir_base = info->fir_base 	*/
	self->io.sir_base  = info->sir_base; 	/* ALi SIR and FIR use the same address */
        self->io.irq       = info->irq;
        self->io.fir_ext   = CHIP_IO_EXTENT;
        self->io.dma       = info->dma;
        self->io.fifo_size = 16;		/* SIR: 16, FIR: 32 Benjamin 2000/11/1 */
	
	/* Reserve the ioports that we need */
	if (!request_region(self->io.fir_base, self->io.fir_ext,
			    ALI_IRCC_DRIVER_NAME)) {
		net_warn_ratelimited("%s(), can't get iobase of 0x%03x\n",
				     __func__, self->io.fir_base);
		err = -ENODEV;
		goto err_out1;
	}

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&self->qos);
	
	/* The only value we must override it the baudrate */
	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200|IR_576000|IR_1152000|(IR_4000000 << 8); // benjamin 2000/11/8 05:27PM
			
	self->qos.min_turn_time.bits = qos_mtt_bits;
			
	irda_qos_bits_to_value(&self->qos);
	
	/* Max DMA buffer size needed = (data_size + 6) * (window_size) + 6; */
	self->rx_buff.truesize = 14384; 
	self->tx_buff.truesize = 14384;

	/* Allocate memory if needed */
	self->rx_buff.head =
		dma_zalloc_coherent(NULL, self->rx_buff.truesize,
				    &self->rx_buff_dma, GFP_KERNEL);
	if (self->rx_buff.head == NULL) {
		err = -ENOMEM;
		goto err_out2;
	}
	
	self->tx_buff.head =
		dma_zalloc_coherent(NULL, self->tx_buff.truesize,
				    &self->tx_buff_dma, GFP_KERNEL);
	if (self->tx_buff.head == NULL) {
		err = -ENOMEM;
		goto err_out3;
	}

	self->rx_buff.in_frame = FALSE;
	self->rx_buff.state = OUTSIDE_FRAME;
	self->tx_buff.data = self->tx_buff.head;
	self->rx_buff.data = self->rx_buff.head;
	
	/* Reset Tx queue info */
	self->tx_fifo.len = self->tx_fifo.ptr = self->tx_fifo.free = 0;
	self->tx_fifo.tail = self->tx_buff.head;

	/* Override the network functions we need to use */
	dev->netdev_ops = &ali_ircc_sir_ops;

	err = register_netdev(dev);
	if (err) {
		net_err_ratelimited("%s(), register_netdev() failed!\n",
				    __func__);
		goto err_out4;
	}
	net_info_ratelimited("IrDA: Registered device %s\n", dev->name);

	/* Check dongle id */
	dongle_id = ali_ircc_read_dongle_id(i, info);
	net_info_ratelimited("%s(), %s, Found dongle: %s\n",
			     __func__, ALI_IRCC_DRIVER_NAME,
			     dongle_types[dongle_id]);
		
	self->io.dongle_id = dongle_id;

	
	return 0;

 err_out4:
	dma_free_coherent(NULL, self->tx_buff.truesize,
			  self->tx_buff.head, self->tx_buff_dma);
 err_out3:
	dma_free_coherent(NULL, self->rx_buff.truesize,
			  self->rx_buff.head, self->rx_buff_dma);
 err_out2:
	release_region(self->io.fir_base, self->io.fir_ext);
 err_out1:
	dev_self[i] = NULL;
	free_netdev(dev);
	return err;
}
Example #24
0
static int pxa_irda_probe(struct platform_device *pdev)
{
	struct net_device *dev;
	struct pxa_irda *si;
	unsigned int baudrate_mask;
	int err;

	if (!pdev->dev.platform_data)
		return -ENODEV;

	err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_1;

	err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_2;

	dev = alloc_irdadev(sizeof(struct pxa_irda));
	if (!dev)
		goto err_mem_3;

	si = netdev_priv(dev);
	si->dev = &pdev->dev;
	si->pdata = pdev->dev.platform_data;

	si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
	si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
	if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
		err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
		goto err_mem_4;
	}

	/*
	 * Initialise the SIR buffers
	 */
	err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
	if (err)
		goto err_mem_4;
	err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
	if (err)
		goto err_mem_5;

	if (si->pdata->startup)
		err = si->pdata->startup(si->dev);
	if (err)
		goto err_startup;

	dev->hard_start_xmit	= pxa_irda_hard_xmit;
	dev->open		= pxa_irda_start;
	dev->stop		= pxa_irda_stop;
	dev->do_ioctl		= pxa_irda_ioctl;
	dev->get_stats		= pxa_irda_stats;

	irda_init_max_qos_capabilies(&si->qos);

	baudrate_mask = 0;
	if (si->pdata->transceiver_cap & IR_SIRMODE)
		baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	if (si->pdata->transceiver_cap & IR_FIRMODE)
		baudrate_mask |= IR_4000000 << 8;

	si->qos.baud_rate.bits &= baudrate_mask;
	si->qos.min_turn_time.bits = 7;  /* 1ms or more */

	irda_qos_bits_to_value(&si->qos);

	err = register_netdev(dev);

	if (err == 0)
		dev_set_drvdata(&pdev->dev, dev);

	if (err) {
		if (si->pdata->shutdown)
			si->pdata->shutdown(si->dev);
err_startup:
		kfree(si->tx_buff.head);
err_mem_5:
		kfree(si->rx_buff.head);
err_mem_4:
		if (si->sir_clk && !IS_ERR(si->sir_clk))
			clk_put(si->sir_clk);
		if (si->fir_clk && !IS_ERR(si->fir_clk))
			clk_put(si->fir_clk);
		free_netdev(dev);
err_mem_3:
		release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
		release_mem_region(__PREG(STUART), 0x24);
	}
err_mem_1:
	return err;
}
Example #25
0
static int au1k_irda_net_init(struct net_device *dev)
{
	struct au1k_private *aup = NULL;
	int i, retval = 0, err;
	db_dest_t *pDB, *pDBfree;
	dma_addr_t temp;

	dev->priv = kmalloc(sizeof(struct au1k_private), GFP_KERNEL);
	if (dev->priv == NULL) {
		retval = -ENOMEM;
		goto out;
	}
	memset(dev->priv, 0, sizeof(struct au1k_private));
	aup = dev->priv;

	err = au1k_irda_init_iobuf(&aup->rx_buff, 14384);
	if (err)
		goto out;

	dev->open = au1k_irda_start;
	dev->hard_start_xmit = au1k_irda_hard_xmit;
	dev->stop = au1k_irda_stop;
	dev->get_stats = au1k_irda_stats;
	dev->do_ioctl = au1k_irda_ioctl;
	dev->tx_timeout = au1k_tx_timeout;

	irda_device_setup(dev);
	irda_init_max_qos_capabilies(&aup->qos);

	/* The only value we must override it the baudrate */
	aup->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200|IR_576000 |(IR_4000000 << 8);
	
	aup->qos.min_turn_time.bits = qos_mtt_bits;
	irda_qos_bits_to_value(&aup->qos);


	/* Tx ring follows rx ring + 512 bytes */
	/* we need a 1k aligned buffer */
	aup->rx_ring[0] = (ring_dest_t *)
		dma_alloc(2*MAX_NUM_IR_DESC*(sizeof(ring_dest_t)), &temp);

	/* allocate the data buffers */
	aup->db[0].vaddr = 
		(void *)dma_alloc(MAX_BUF_SIZE * 2*NUM_IR_DESC, &temp);
	if (!aup->db[0].vaddr || !aup->rx_ring[0]) {
		retval = -ENOMEM;
		goto out;
	}

	setup_hw_rings(aup, (u32)aup->rx_ring[0], (u32)aup->rx_ring[0] + 512);

	pDBfree = NULL;
	pDB = aup->db;
	for (i=0; i<(2*NUM_IR_DESC); i++) {
		pDB->pnext = pDBfree;
		pDBfree = pDB;
		pDB->vaddr = 
			(u32 *)((unsigned)aup->db[0].vaddr + MAX_BUF_SIZE*i);
		pDB->dma_addr = (dma_addr_t)virt_to_bus(pDB->vaddr);
		pDB++;
	}
	aup->pDBfree = pDBfree;

	/* attach a data buffer to each descriptor */
	for (i=0; i<NUM_IR_DESC; i++) {
		pDB = GetFreeDB(aup);
		if (!pDB) goto out;
		aup->rx_ring[i]->addr_0 = (u8)(pDB->dma_addr & 0xff);
		aup->rx_ring[i]->addr_1 = (u8)((pDB->dma_addr>>8) & 0xff);
		aup->rx_ring[i]->addr_2 = (u8)((pDB->dma_addr>>16) & 0xff);
		aup->rx_ring[i]->addr_3 = (u8)((pDB->dma_addr>>24) & 0xff);
		aup->rx_db_inuse[i] = pDB;
	}
	for (i=0; i<NUM_IR_DESC; i++) {
		pDB = GetFreeDB(aup);
		if (!pDB) goto out;
		aup->tx_ring[i]->addr_0 = (u8)(pDB->dma_addr & 0xff);
		aup->tx_ring[i]->addr_1 = (u8)((pDB->dma_addr>>8) & 0xff);
		aup->tx_ring[i]->addr_2 = (u8)((pDB->dma_addr>>16) & 0xff);
		aup->tx_ring[i]->addr_3 = (u8)((pDB->dma_addr>>24) & 0xff);
		aup->tx_ring[i]->count_0 = 0;
		aup->tx_ring[i]->count_1 = 0;
		aup->tx_ring[i]->flags = 0;
		aup->tx_db_inuse[i] = pDB;
	}

#if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100)
	/* power on */
	bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
	bcsr->resets |= BCSR_RESETS_IRDA_MODE_FULL;
	au_sync();
#endif

	return 0;

out:
	if (aup->db[0].vaddr) 
		dma_free((void *)aup->db[0].vaddr, 
				MAX_BUF_SIZE * 2*NUM_IR_DESC);
	if (aup->rx_ring[0])
		kfree((void *)aup->rx_ring[0]);
	if (aup->rx_buff.head)
		kfree(aup->rx_buff.head);
	if (dev->priv != NULL)
		kfree(dev->priv);
	unregister_netdevice(dev);
	printk(KERN_ERR "%s: au1k_init_module failed.  Returns %d\n",
	       dev->name, retval);
	return retval;
}
Example #26
0
static int pxa250_irda_net_init(struct net_device *dev)
{
	struct pxa250_irda *si = dev->priv;
	unsigned int baudrate_mask;
	int err = -ENOMEM;

	si = kmalloc(sizeof(struct pxa250_irda), GFP_KERNEL);
	if (!si)
		goto out;

	memset(si, 0, sizeof(*si));

	/*
	 * Initialise the HP-SIR buffers
	 */

	err = pxa250_irda_init_iobuf(&si->rx_buff, 14384);
	if (err)
		goto out;
	err = pxa250_irda_init_iobuf(&si->tx_buff, 4000);
	if (err)
		goto out_free_rx;

	si->fir_irq		= IRQ_ICP;
	dev->priv = si;
	dev->hard_start_xmit	= pxa250_irda_hard_xmit;
	dev->open		= pxa250_irda_start;
	dev->stop		= pxa250_irda_stop;
	dev->do_ioctl		= pxa250_irda_ioctl;
	dev->get_stats		= pxa250_irda_stats;

	irda_device_setup(dev);
	irda_init_max_qos_capabilies(&si->qos);

	/*
	 * We support original IRDA up to 115k2. (we don't currently
	 * support 4Mbps).  Min Turn Time set to 1ms or greater.
	 */
	baudrate_mask = IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
  	baudrate_mask |= IR_4000000 << 8; 
	si->qos.baud_rate.bits &= baudrate_mask;
	si->qos.min_turn_time.bits = 7;

	irda_qos_bits_to_value(&si->qos);

#ifdef CONFIG_PM
	/*
	 * Power-Management is optional.
	 */
	si->pmdev = pm_register(PM_SYS_DEV, PM_SYS_IRDA, pxa250_irda_pmproc);
	if (si->pmdev)
		si->pmdev->data = dev;
#endif

	return 0;

	kfree(si->tx_buff.head);
out_free_rx:
	kfree(si->rx_buff.head);
out:
	kfree(si);

	return err;
}
Example #27
0
/*
 * This routine is called by the USB subsystem for each new device
 * in the system. We need to check if the device is ours, and in
 * this case start handling it.
 */
static int kingsun_probe(struct usb_interface *intf,
		      const struct usb_device_id *id)
{
	struct usb_host_interface *interface;
	struct usb_endpoint_descriptor *endpoint;

	struct usb_device *dev = interface_to_usbdev(intf);
	struct kingsun_cb *kingsun = NULL;
	struct net_device *net = NULL;
	int ret = -ENOMEM;
	int pipe, maxp_in, maxp_out;
	__u8 ep_in;
	__u8 ep_out;

	/* Check that there really are two interrupt endpoints.
	   Check based on the one in drivers/usb/input/usbmouse.c
	 */
	interface = intf->cur_altsetting;
	if (interface->desc.bNumEndpoints != 2) {
		dev_err(&intf->dev,
			"kingsun-sir: expected 2 endpoints, found %d\n",
			interface->desc.bNumEndpoints);
		return -ENODEV;
	}
	endpoint = &interface->endpoint[KINGSUN_EP_IN].desc;
	if (!usb_endpoint_is_int_in(endpoint)) {
		dev_err(&intf->dev,
			"kingsun-sir: endpoint 0 is not interrupt IN\n");
		return -ENODEV;
	}

	ep_in = endpoint->bEndpointAddress;
	pipe = usb_rcvintpipe(dev, ep_in);
	maxp_in = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
	if (maxp_in > 255 || maxp_in <= 1) {
		dev_err(&intf->dev,
			"endpoint 0 has max packet size %d not in range\n",
			maxp_in);
		return -ENODEV;
	}

	endpoint = &interface->endpoint[KINGSUN_EP_OUT].desc;
	if (!usb_endpoint_is_int_out(endpoint)) {
		dev_err(&intf->dev,
			"kingsun-sir: endpoint 1 is not interrupt OUT\n");
		return -ENODEV;
	}

	ep_out = endpoint->bEndpointAddress;
	pipe = usb_sndintpipe(dev, ep_out);
	maxp_out = usb_maxpacket(dev, pipe, usb_pipeout(pipe));

	/* Allocate network device container. */
	net = alloc_irdadev(sizeof(*kingsun));
	if(!net)
		goto err_out1;

	SET_NETDEV_DEV(net, &intf->dev);
	kingsun = netdev_priv(net);
	kingsun->irlap = NULL;
	kingsun->tx_urb = NULL;
	kingsun->rx_urb = NULL;
	kingsun->ep_in = ep_in;
	kingsun->ep_out = ep_out;
	kingsun->in_buf = NULL;
	kingsun->out_buf = NULL;
	kingsun->max_rx = (__u8)maxp_in;
	kingsun->max_tx = (__u8)maxp_out;
	kingsun->netdev = net;
	kingsun->usbdev = dev;
	kingsun->rx_buff.in_frame = FALSE;
	kingsun->rx_buff.state = OUTSIDE_FRAME;
	kingsun->rx_buff.skb = NULL;
	kingsun->receiving = 0;
	spin_lock_init(&kingsun->lock);

	/* Allocate input buffer */
	kingsun->in_buf = kmalloc(kingsun->max_rx, GFP_KERNEL);
	if (!kingsun->in_buf)
		goto free_mem;

	/* Allocate output buffer */
	kingsun->out_buf = kmalloc(KINGSUN_FIFO_SIZE, GFP_KERNEL);
	if (!kingsun->out_buf)
		goto free_mem;

	printk(KERN_INFO "KingSun/DonShine IRDA/USB found at address %d, "
		"Vendor: %x, Product: %x\n",
	       dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
	       le16_to_cpu(dev->descriptor.idProduct));

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&kingsun->qos);

	/* That's the Rx capability. */
	kingsun->qos.baud_rate.bits       &= IR_9600;
	kingsun->qos.min_turn_time.bits   &= KINGSUN_MTT;
	irda_qos_bits_to_value(&kingsun->qos);

	/* Override the network functions we need to use */
	net->netdev_ops = &kingsun_ops;

	ret = register_netdev(net);
	if (ret != 0)
		goto free_mem;

	dev_info(&net->dev, "IrDA: Registered KingSun/DonShine device %s\n",
		 net->name);

	usb_set_intfdata(intf, kingsun);

	/* Situation at this point:
	   - all work buffers allocated
	   - urbs not allocated, set to NULL
	   - max rx packet known (in max_rx)
	   - unwrap state machine (partially) initialized, but skb == NULL
	 */

	return 0;

free_mem:
	kfree(kingsun->out_buf);
	kfree(kingsun->in_buf);
	free_netdev(net);
err_out1:
	return ret;
}
Example #28
0
static int pxa_irda_probe(struct platform_device *pdev)
{
	struct net_device *dev;
	struct pxa_irda *si;
	unsigned int baudrate_mask;
	int err;

	if (!pdev->dev.platform_data)
		return -ENODEV;

	err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_1;

	err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_2;

	dev = alloc_irdadev(sizeof(struct pxa_irda));
	if (!dev)
		goto err_mem_3;

	SET_NETDEV_DEV(dev, &pdev->dev);
	si = netdev_priv(dev);
	si->dev = &pdev->dev;
	si->pdata = pdev->dev.platform_data;

	si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
	si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
	if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
		err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
		goto err_mem_4;
	}

	/*
	 * Initialise the SIR buffers
	 */
	err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
	if (err)
		goto err_mem_4;
	err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
	if (err)
		goto err_mem_5;

	if (gpio_is_valid(si->pdata->gpio_pwdown)) {
		err = gpio_request(si->pdata->gpio_pwdown, "IrDA switch");
		if (err)
			goto err_startup;
		err = gpio_direction_output(si->pdata->gpio_pwdown,
					!si->pdata->gpio_pwdown_inverted);
		if (err) {
			gpio_free(si->pdata->gpio_pwdown);
			goto err_startup;
		}
	}

	if (si->pdata->startup) {
		err = si->pdata->startup(si->dev);
		if (err)
			goto err_startup;
	}

	if (gpio_is_valid(si->pdata->gpio_pwdown) && si->pdata->startup)
		dev_warn(si->dev, "gpio_pwdown and startup() both defined!\n");

	dev->netdev_ops = &pxa_irda_netdev_ops;

	irda_init_max_qos_capabilies(&si->qos);

	baudrate_mask = 0;
	if (si->pdata->transceiver_cap & IR_SIRMODE)
		baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	if (si->pdata->transceiver_cap & IR_FIRMODE)
		baudrate_mask |= IR_4000000 << 8;

	si->qos.baud_rate.bits &= baudrate_mask;
	si->qos.min_turn_time.bits = 7;  /* 1ms or more */

	irda_qos_bits_to_value(&si->qos);

	err = register_netdev(dev);

	if (err == 0)
		dev_set_drvdata(&pdev->dev, dev);

	if (err) {
		if (si->pdata->shutdown)
			si->pdata->shutdown(si->dev);
err_startup:
		kfree(si->tx_buff.head);
err_mem_5:
		kfree(si->rx_buff.head);
err_mem_4:
		if (si->sir_clk && !IS_ERR(si->sir_clk))
			clk_put(si->sir_clk);
		if (si->fir_clk && !IS_ERR(si->fir_clk))
			clk_put(si->fir_clk);
		free_netdev(dev);
err_mem_3:
		release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
		release_mem_region(__PREG(STUART), 0x24);
	}
err_mem_1:
	return err;
}
/*
 * Function w83977af_open (iobase, irq)
 *
 *    Open driver instance
 *
 */
static int w83977af_open(int i, unsigned int iobase, unsigned int irq,
			 unsigned int dma)
{
	struct net_device *dev;
        struct w83977af_ir *self;
	int err;

	IRDA_DEBUG(0, "%s()\n", __func__ );

	/* Lock the port that we need */
	if (!request_region(iobase, CHIP_IO_EXTENT, driver_name)) {
		IRDA_DEBUG(0, "%s(), can't get iobase of 0x%03x\n",
		      __func__ , iobase);
		return -ENODEV;
	}

	if (w83977af_probe(iobase, irq, dma) == -1) {
		err = -1;
		goto err_out;
	}
	/*
	 *  Allocate new instance of the driver
	 */
	dev = alloc_irdadev(sizeof(struct w83977af_ir));
	if (dev == NULL) {
		printk( KERN_ERR "IrDA: Can't allocate memory for "
			"IrDA control block!\n");
		err = -ENOMEM;
		goto err_out;
	}

	self = netdev_priv(dev);
	spin_lock_init(&self->lock);
   

	/* Initialize IO */
	self->io.fir_base   = iobase;
        self->io.irq       = irq;
        self->io.fir_ext   = CHIP_IO_EXTENT;
        self->io.dma       = dma;
        self->io.fifo_size = 32;

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&self->qos);
	
	/* The only value we must override it the baudrate */

	/* FIXME: The HP HDLS-1100 does not support 1152000! */
	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200|IR_576000|IR_1152000|(IR_4000000 << 8);

	/* The HP HDLS-1100 needs 1 ms according to the specs */
	self->qos.min_turn_time.bits = qos_mtt_bits;
	irda_qos_bits_to_value(&self->qos);
	
	/* Max DMA buffer size needed = (data_size + 6) * (window_size) + 6; */
	self->rx_buff.truesize = 14384; 
	self->tx_buff.truesize = 4000;
	
	/* Allocate memory if needed */
	self->rx_buff.head =
		dma_alloc_coherent(NULL, self->rx_buff.truesize,
				   &self->rx_buff_dma, GFP_KERNEL);
	if (self->rx_buff.head == NULL) {
		err = -ENOMEM;
		goto err_out1;
	}

	memset(self->rx_buff.head, 0, self->rx_buff.truesize);
	
	self->tx_buff.head =
		dma_alloc_coherent(NULL, self->tx_buff.truesize,
				   &self->tx_buff_dma, GFP_KERNEL);
	if (self->tx_buff.head == NULL) {
		err = -ENOMEM;
		goto err_out2;
	}
	memset(self->tx_buff.head, 0, self->tx_buff.truesize);

	self->rx_buff.in_frame = FALSE;
	self->rx_buff.state = OUTSIDE_FRAME;
	self->tx_buff.data = self->tx_buff.head;
	self->rx_buff.data = self->rx_buff.head;
	self->netdev = dev;

	dev->netdev_ops	= &w83977_netdev_ops;

	err = register_netdev(dev);
	if (err) {
		IRDA_ERROR("%s(), register_netdevice() failed!\n", __func__);
		goto err_out3;
	}
	IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);

	/* Need to store self somewhere */
	dev_self[i] = self;
	
	return 0;
err_out3:
	dma_free_coherent(NULL, self->tx_buff.truesize,
			  self->tx_buff.head, self->tx_buff_dma);
err_out2:	
	dma_free_coherent(NULL, self->rx_buff.truesize,
			  self->rx_buff.head, self->rx_buff_dma);
err_out1:
	free_netdev(dev);
err_out:
	release_region(iobase, CHIP_IO_EXTENT);
	return err;
}
Example #30
0
/*
 * Function w83977af_open (iobase, irq)
 *
 *    Open driver instance
 *
 */
int w83977af_open(int i, unsigned int iobase, unsigned int irq, 
		  unsigned int dma)
{
	struct net_device *dev;
        struct w83977af_ir *self;
	int ret;
	int err;

	IRDA_DEBUG(0, __FUNCTION__ "()\n");

	if (w83977af_probe(iobase, irq, dma) == -1)
		return -1;

	/*
	 *  Allocate new instance of the driver
	 */
	self = kmalloc(sizeof(struct w83977af_ir), GFP_KERNEL);
	if (self == NULL) {
		printk( KERN_ERR "IrDA: Can't allocate memory for "
			"IrDA control block!\n");
		return -ENOMEM;
	}
	memset(self, 0, sizeof(struct w83977af_ir));
   
	/* Need to store self somewhere */
	dev_self[i] = self;

	/* Initialize IO */
	self->io.fir_base   = iobase;
        self->io.irq       = irq;
        self->io.fir_ext   = CHIP_IO_EXTENT;
        self->io.dma       = dma;
        self->io.fifo_size = 32;

	/* Lock the port that we need */
	ret = check_region(self->io.fir_base, self->io.fir_ext);
	if (ret < 0) { 
		IRDA_DEBUG(0, __FUNCTION__ "(), can't get iobase of 0x%03x\n",
		      self->io.fir_base);
		/* w83977af_cleanup( self);  */
		return -ENODEV;
	}
	request_region(self->io.fir_base, self->io.fir_ext, driver_name);

	/* Initialize QoS for this device */
	irda_init_max_qos_capabilies(&self->qos);
	
	/* The only value we must override it the baudrate */

	/* FIXME: The HP HDLS-1100 does not support 1152000! */
	self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
		IR_115200/*|IR_576000|IR_1152000|(IR_4000000 << 8)*/;

	/* The HP HDLS-1100 needs 1 ms according to the specs */
	self->qos.min_turn_time.bits = qos_mtt_bits;
	irda_qos_bits_to_value(&self->qos);
	
	self->flags = IFF_FIR|IFF_MIR|IFF_SIR|IFF_DMA|IFF_PIO;

	/* Max DMA buffer size needed = (data_size + 6) * (window_size) + 6; */
	self->rx_buff.truesize = 14384; 
	self->tx_buff.truesize = 4000;
	
	/* Allocate memory if needed */
	self->rx_buff.head = (__u8 *) kmalloc(self->rx_buff.truesize,
					      GFP_KERNEL|GFP_DMA);
	if (self->rx_buff.head == NULL)
		return -ENOMEM;

	memset(self->rx_buff.head, 0, self->rx_buff.truesize);
	
	self->tx_buff.head = (__u8 *) kmalloc(self->tx_buff.truesize, 
					      GFP_KERNEL|GFP_DMA);
	if (self->tx_buff.head == NULL) {
		kfree(self->rx_buff.head);
		return -ENOMEM;
	}
	memset(self->tx_buff.head, 0, self->tx_buff.truesize);

	self->rx_buff.in_frame = FALSE;
	self->rx_buff.state = OUTSIDE_FRAME;
	self->tx_buff.data = self->tx_buff.head;
	self->rx_buff.data = self->rx_buff.head;
	
	if (!(dev = dev_alloc("irda%d", &err))) {
		ERROR(__FUNCTION__ "(), dev_alloc() failed!\n");
		return -ENOMEM;
	}
	dev->priv = (void *) self;
	self->netdev = dev;

	/* Override the network functions we need to use */
	dev->init            = w83977af_net_init;
	dev->hard_start_xmit = w83977af_hard_xmit;
	dev->open            = w83977af_net_open;
	dev->stop            = w83977af_net_close;
	dev->do_ioctl        = w83977af_net_ioctl;
	dev->get_stats	     = w83977af_net_get_stats;

	rtnl_lock();
	err = register_netdevice(dev);
	rtnl_unlock();
	if (err) {
		ERROR(__FUNCTION__ "(), register_netdevice() failed!\n");
		return -1;
	}
	MESSAGE("IrDA: Registered device %s\n", dev->name);
	
	return 0;
}