Exemple #1
0
/*******************************************************************************
 *	wl_adapter_open()
 *******************************************************************************
 *
 *  DESCRIPTION:
 *
 *      Open the device.
 *
 *  PARAMETERS:
 *
 *      dev - a pointer to a net_device structure representing the network
 *            device to open.
 *
 *  RETURNS:
 *
 *      0 on success
 *      errno value otherwise
 *
 ******************************************************************************/
int wl_adapter_open(struct net_device *dev)
{
	struct wl_private *lp = wl_priv(dev);
	struct pcmcia_device *link = lp->link;
	int result = 0;
	int hcf_status = HCF_SUCCESS;
	/*--------------------------------------------------------------------*/

	DBG_FUNC("wl_adapter_open");
	DBG_ENTER(DbgInfo);
	DBG_PRINT("%s\n", VERSION_INFO);
	DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev);

	if (!pcmcia_dev_present(link)) {
		DBG_LEAVE(DbgInfo);
		return -ENODEV;
	}

	link->open++;

	hcf_status = wl_open(dev);

	if (hcf_status != HCF_SUCCESS) {
		link->open--;
		result = -ENODEV;
	}

	DBG_LEAVE(DbgInfo);
	return result;
} /* wl_adapter_open */
Exemple #2
0
static int pcnet_open(struct net_device *dev)
{
    int ret;
    pcnet_dev_t *info = PRIV(dev);
    struct pcmcia_device *link = info->p_dev;
    unsigned int nic_base = dev->base_addr;

    dev_dbg(&link->dev, "pcnet_open('%s')\n", dev->name);

    if (!pcmcia_dev_present(link))
	return -ENODEV;

    set_misc_reg(dev);

    outb_p(0xFF, nic_base + EN0_ISR); /* Clear bogus intr. */
    ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev->name, dev);
    if (ret)
	    return ret;

    link->open++;

    info->phy_id = info->eth_phy;
    info->link_status = 0x00;
    init_timer(&info->watchdog);
    info->watchdog.function = ei_watchdog;
    info->watchdog.data = (u_long)dev;
    info->watchdog.expires = jiffies + HZ;
    add_timer(&info->watchdog);

    return ei_open(dev);
} /* pcnet_open */
Exemple #3
0
static int prism2_pccard_card_present(local_info_t *local)
{
	struct hostap_cs_priv *hw_priv = local->hw_priv;
	if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link))
		return 1;
	return 0;
}
Exemple #4
0
/* Call-back function to interrogate PCMCIA-specific information
   about the current existance of the card */
static int card_present(void *arg)
{
	struct pcmcia_device *link = (struct pcmcia_device *)arg;

	if (pcmcia_dev_present(link))
		return 1;

	return 0;
}
Exemple #5
0
/*
 * Reset the card using configuration registers COR and CCSR.
 * If IDLE is 1, stop the firmware, so that it can be safely rewritten.
 */
static int
spectrum_reset(struct pcmcia_device *link, int idle)
{
	int last_ret, last_fn;
	conf_reg_t reg;
	u_int save_cor;

	/* Doing it if hardware is gone is guaranteed crash */
	if (!pcmcia_dev_present(link))
		return -ENODEV;

	/* Save original COR value */
	reg.Function = 0;
	reg.Action = CS_READ;
	reg.Offset = CISREG_COR;
	CS_CHECK(AccessConfigurationRegister,
		 pcmcia_access_configuration_register(link, &reg));
	save_cor = reg.Value;

	/* Soft-Reset card */
	reg.Action = CS_WRITE;
	reg.Offset = CISREG_COR;
	reg.Value = (save_cor | COR_SOFT_RESET);
	CS_CHECK(AccessConfigurationRegister,
		 pcmcia_access_configuration_register(link, &reg));
	udelay(1000);

	/* Read CCSR */
	reg.Action = CS_READ;
	reg.Offset = CISREG_CCSR;
	CS_CHECK(AccessConfigurationRegister,
		 pcmcia_access_configuration_register(link, &reg));

	/*
	 * Start or stop the firmware.  Memory width bit should be
	 * preserved from the value we've just read.
	 */
	reg.Action = CS_WRITE;
	reg.Offset = CISREG_CCSR;
	reg.Value = (idle ? HCR_IDLE : HCR_RUN) | (reg.Value & HCR_MEM16);
	CS_CHECK(AccessConfigurationRegister,
		 pcmcia_access_configuration_register(link, &reg));
	udelay(1000);

	/* Restore original COR configuration index */
	reg.Action = CS_WRITE;
	reg.Offset = CISREG_COR;
	reg.Value = (save_cor & ~COR_SOFT_RESET);
	CS_CHECK(AccessConfigurationRegister,
		 pcmcia_access_configuration_register(link, &reg));
	udelay(1000);
	return 0;

      cs_failed:
	cs_error(link, last_fn, last_ret);
	return -ENODEV;
}
Exemple #6
0
/*******************************************************************************
 *	wl_adapter_is_open()
 *******************************************************************************
 *
 *  DESCRIPTION:
 *
 *      Check with Card Services to determine if this device is open.
 *
 *  PARAMETERS:
 *
 *      dev - a pointer to the net_device structure whose open status will be
 *            checked
 *
 *  RETURNS:
 *
 *      nonzero if device is open
 *      0 otherwise
 *
 ******************************************************************************/
int wl_adapter_is_open(struct net_device *dev)
{
	struct wl_private *lp = wl_priv(dev);
	struct pcmcia_device *link = lp->link;

	if (!pcmcia_dev_present(link))
		return 0;

	return link->open;
} /* wl_adapter_is_open */
static int serial_resume(struct pcmcia_device *link)
{
	if (pcmcia_dev_present(link)) {
		struct serial_info *info = link->priv;
		int i;

		for (i = 0; i < info->ndev; i++)
			serial8250_resume_port(info->line[i]);
		wakeup_card(info);
	}

	return 0;
}
Exemple #8
0
static struct net_device_stats *el3_get_stats(struct net_device *dev)
{
    struct el3_private *lp = netdev_priv(dev);
    unsigned long flags;
    struct pcmcia_device *link = lp->p_dev;

    if (pcmcia_dev_present(link)) {
	spin_lock_irqsave(&lp->lock, flags);
	update_stats(dev);
	spin_unlock_irqrestore(&lp->lock, flags);
    }
    return &dev->stats;
}
/*
 * Reset the card using configuration registers COR and CCSR.
 * If IDLE is 1, stop the firmware, so that it can be safely rewritten.
 */
static int
spectrum_reset(struct pcmcia_device *link, int idle)
{
    int ret;
    u8 save_cor;
    u8 ccsr;

    /* Doing it if hardware is gone is guaranteed crash */
    if (!pcmcia_dev_present(link))
        return -ENODEV;

    /* Save original COR value */
    ret = pcmcia_read_config_byte(link, CISREG_COR, &save_cor);
    if (ret)
        goto failed;

    /* Soft-Reset card */
    ret = pcmcia_write_config_byte(link, CISREG_COR,
                                   (save_cor | COR_SOFT_RESET));
    if (ret)
        goto failed;
    udelay(1000);

    /* Read CCSR */
    ret = pcmcia_read_config_byte(link, CISREG_CCSR, &ccsr);
    if (ret)
        goto failed;

    /*
     * Start or stop the firmware.  Memory width bit should be
     * preserved from the value we've just read.
     */
    ccsr = (idle ? HCR_IDLE : HCR_RUN) | (ccsr & HCR_MEM16);
    ret = pcmcia_write_config_byte(link, CISREG_CCSR, ccsr);
    if (ret)
        goto failed;
    udelay(1000);

    /* Restore original COR configuration index */
    ret = pcmcia_write_config_byte(link, CISREG_COR,
                                   (save_cor & ~COR_SOFT_RESET));
    if (ret)
        goto failed;
    udelay(1000);
    return 0;

failed:
    return -ENODEV;
}
static int
spectrum_reset(struct pcmcia_device *link, int idle)
{
	int ret;
	u8 save_cor;
	u8 ccsr;

	/*                                                  */
	if (!pcmcia_dev_present(link))
		return -ENODEV;

	/*                         */
	ret = pcmcia_read_config_byte(link, CISREG_COR, &save_cor);
	if (ret)
		goto failed;

	/*                 */
	ret = pcmcia_write_config_byte(link, CISREG_COR,
				(save_cor | COR_SOFT_RESET));
	if (ret)
		goto failed;
	udelay(1000);

	/*           */
	ret = pcmcia_read_config_byte(link, CISREG_CCSR, &ccsr);
	if (ret)
		goto failed;

	/*
                                                           
                                             
  */
	ccsr = (idle ? HCR_IDLE : HCR_RUN) | (ccsr & HCR_MEM16);
	ret = pcmcia_write_config_byte(link, CISREG_CCSR, ccsr);
	if (ret)
		goto failed;
	udelay(1000);

	/*                                          */
	ret = pcmcia_write_config_byte(link, CISREG_COR,
				(save_cor & ~COR_SOFT_RESET));
	if (ret)
		goto failed;
	udelay(1000);
	return 0;

failed:
	return -ENODEV;
}
Exemple #11
0
static int pdacf_resume(struct pcmcia_device *link)
{
	struct snd_pdacf *chip = link->priv;

	snd_printdd(KERN_DEBUG "RESUME\n");
	if (pcmcia_dev_present(link)) {
		if (chip) {
			snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
			snd_pdacf_resume(chip);
		}
	}
	snd_printdd(KERN_DEBUG "resume done!\n");

	return 0;
}
Exemple #12
0
static void dtl1_write_wakeup(dtl1_info_t *info)
{
	if (!info) {
		BT_ERR("Unknown device");
		return;
	}

	if (test_bit(XMIT_WAITING, &(info->tx_state))) {
		set_bit(XMIT_WAKEUP, &(info->tx_state));
		return;
	}

	if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
		set_bit(XMIT_WAKEUP, &(info->tx_state));
		return;
	}

	do {
		unsigned int iobase = info->p_dev->resource[0]->start;
		register struct sk_buff *skb;
		int len;

		clear_bit(XMIT_WAKEUP, &(info->tx_state));

		if (!pcmcia_dev_present(info->p_dev))
			return;

		skb = skb_dequeue(&(info->txq));
		if (!skb)
			break;

		/* Send frame */
		len = dtl1_write(iobase, 32, skb->data, skb->len);

		if (len == skb->len) {
			set_bit(XMIT_WAITING, &(info->tx_state));
			kfree_skb(skb);
		} else {
			skb_pull(skb, len);
			skb_queue_head(&(info->txq), skb);
		}

		info->hdev->stat.byte_tx += len;

	} while (test_bit(XMIT_WAKEUP, &(info->tx_state)));

	clear_bit(XMIT_SENDING, &(info->tx_state));
}
static int vxp_resume(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;

	snd_printdd(KERN_DEBUG "RESUME\n");
	if (pcmcia_dev_present(link)) {
		//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
		if (chip) {
			snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
			snd_vx_resume(chip);
		}
	}
	snd_printdd(KERN_DEBUG "resume done!\n");

	return 0;
}
static void btuart_write_wakeup(btuart_info_t *info)
{
	if (!info) {
		BT_ERR("Unknown device");
		return;
	}

	if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
		set_bit(XMIT_WAKEUP, &(info->tx_state));
		return;
	}

	do {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
		register unsigned int iobase = info->p_dev->resource[0]->start;
#else
		register unsigned int iobase = info->p_dev->io.BasePort1;
#endif
		register struct sk_buff *skb;
		register int len;

		clear_bit(XMIT_WAKEUP, &(info->tx_state));

		if (!pcmcia_dev_present(info->p_dev))
			return;

		if (!(skb = skb_dequeue(&(info->txq))))
			break;

		/* Send frame */
		len = btuart_write(iobase, 16, skb->data, skb->len);
		set_bit(XMIT_WAKEUP, &(info->tx_state));

		if (len == skb->len) {
			kfree_skb(skb);
		} else {
			skb_pull(skb, len);
			skb_queue_head(&(info->txq), skb);
		}

		info->hdev->stat.byte_tx += len;

	} while (test_bit(XMIT_WAKEUP, &(info->tx_state)));

	clear_bit(XMIT_SENDING, &(info->tx_state));
}
Exemple #15
0
static ssize_t cm4040_read(struct file *filp, char __user *buf,
			size_t count, loff_t *ppos)
{
	struct reader_dev *dev = filp->private_data;
	int iobase = dev->p_dev->io.BasePort1;
	size_t bytes_to_read;
	unsigned long i;
	size_t min_bytes_to_read;
	int rc;
	unsigned char uc;

	DEBUGP(2, dev, "-> cm4040_read(%s,%d)\n", current->comm, current->pid);

	if (count == 0)
		return 0;

	if (count < 10)
		return -EFAULT;

	if (filp->f_flags & O_NONBLOCK) {
		DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n");
		DEBUGP(2, dev, "<- cm4040_read (failure)\n");
		return -EAGAIN;
	}

	if (!pcmcia_dev_present(dev->p_dev))
		return -ENODEV;

	for (i = 0; i < 5; i++) {
		rc = wait_for_bulk_in_ready(dev);
		if (rc <= 0) {
			DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc);
			DEBUGP(2, dev, "<- cm4040_read (failed)\n");
			if (rc == -ERESTARTSYS)
				return rc;
			return -EIO;
		}
	  	dev->r_buf[i] = xinb(iobase + REG_OFFSET_BULK_IN);
#ifdef PCMCIA_DEBUG
		if (pc_debug >= 6)
			printk(KERN_DEBUG "%lu:%2x ", i, dev->r_buf[i]);
	}
	printk("\n");
#else
	}
Exemple #16
0
/* ----------------------------------------------------------------------------
mace_open
	Open device driver.
---------------------------------------------------------------------------- */
static int mace_open(struct net_device *dev)
{
  kio_addr_t ioaddr = dev->base_addr;
  mace_private *lp = netdev_priv(dev);
  struct pcmcia_device *link = lp->p_dev;

  if (!pcmcia_dev_present(link))
    return -ENODEV;

  link->open++;

  MACEBANK(0);

  netif_start_queue(dev);
  nmclan_reset(dev);

  return 0; /* Always succeed */
} /* mace_open */
Exemple #17
0
static int el3_open(struct net_device *dev)
{
	struct el3_private *lp = netdev_priv(dev);
	struct pcmcia_device *link = lp->p_dev;

	if (!pcmcia_dev_present(link))
		return -ENODEV;

	link->open++;
	netif_start_queue(dev);

	tc589_reset(dev);
	setup_timer(&lp->media, media_check, (unsigned long)dev);
	mod_timer(&lp->media, jiffies + HZ);

	dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
	  dev->name, inw(dev->base_addr + EL3_STATUS));

	return 0;
}
static int el3_open(struct net_device *dev)
{
    struct el3_private *lp = netdev_priv(dev);
    struct pcmcia_device *link = lp->p_dev;
    
    if (!pcmcia_dev_present(link))
	return -ENODEV;

    link->open++;
    netif_start_queue(dev);
    
    tc589_reset(dev);
    init_timer(&lp->media);
    lp->media.function = &media_check;
    lp->media.data = (unsigned long) dev;
    lp->media.expires = jiffies + HZ;
    add_timer(&lp->media);

    DEBUG(1, "%s: opened, status %4.4x.\n",
	  dev->name, inw(dev->base_addr + EL3_STATUS));
    
    return 0;
}
Exemple #19
0
static void bluecard_write_wakeup(struct bluecard_info *info)
{
	if (!info) {
		BT_ERR("Unknown device");
		return;
	}

	if (!test_bit(XMIT_SENDING_READY, &(info->tx_state)))
		return;

	if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
		set_bit(XMIT_WAKEUP, &(info->tx_state));
		return;
	}

	do {
		unsigned int iobase = info->p_dev->resource[0]->start;
		unsigned int offset;
		unsigned char command;
		unsigned long ready_bit;
		register struct sk_buff *skb;
		int len;

		clear_bit(XMIT_WAKEUP, &(info->tx_state));

		if (!pcmcia_dev_present(info->p_dev))
			return;

		if (test_bit(XMIT_BUFFER_NUMBER, &(info->tx_state))) {
			if (!test_bit(XMIT_BUF_TWO_READY, &(info->tx_state)))
				break;
			offset = 0x10;
			command = REG_COMMAND_TX_BUF_TWO;
			ready_bit = XMIT_BUF_TWO_READY;
		} else {
			if (!test_bit(XMIT_BUF_ONE_READY, &(info->tx_state)))
				break;
			offset = 0x00;
			command = REG_COMMAND_TX_BUF_ONE;
			ready_bit = XMIT_BUF_ONE_READY;
		}

		skb = skb_dequeue(&(info->txq));
		if (!skb)
			break;

		if (bt_cb(skb)->pkt_type & 0x80) {
			/* Disable RTS */
			info->ctrl_reg |= REG_CONTROL_RTS;
			outb(info->ctrl_reg, iobase + REG_CONTROL);
		}

		/* Activate LED */
		bluecard_enable_activity_led(info);

		/* Send frame */
		len = bluecard_write(iobase, offset, skb->data, skb->len);

		/* Tell the FPGA to send the data */
		outb_p(command, iobase + REG_COMMAND);

		/* Mark the buffer as dirty */
		clear_bit(ready_bit, &(info->tx_state));

		if (bt_cb(skb)->pkt_type & 0x80) {
			DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq);
			DEFINE_WAIT(wait);

			unsigned char baud_reg;

			switch (bt_cb(skb)->pkt_type) {
			case PKT_BAUD_RATE_460800:
				baud_reg = REG_CONTROL_BAUD_RATE_460800;
				break;
			case PKT_BAUD_RATE_230400:
				baud_reg = REG_CONTROL_BAUD_RATE_230400;
				break;
			case PKT_BAUD_RATE_115200:
				baud_reg = REG_CONTROL_BAUD_RATE_115200;
				break;
			case PKT_BAUD_RATE_57600:
				/* Fall through... */
			default:
				baud_reg = REG_CONTROL_BAUD_RATE_57600;
				break;
			}

			/* Wait until the command reaches the baseband */
			prepare_to_wait(&wq, &wait, TASK_INTERRUPTIBLE);
			schedule_timeout(HZ/10);
			finish_wait(&wq, &wait);

			/* Set baud on baseband */
			info->ctrl_reg &= ~0x03;
			info->ctrl_reg |= baud_reg;
			outb(info->ctrl_reg, iobase + REG_CONTROL);

			/* Enable RTS */
			info->ctrl_reg &= ~REG_CONTROL_RTS;
			outb(info->ctrl_reg, iobase + REG_CONTROL);

			/* Wait before the next HCI packet can be send */
			prepare_to_wait(&wq, &wait, TASK_INTERRUPTIBLE);
			schedule_timeout(HZ);
			finish_wait(&wq, &wait);
		}

		if (len == skb->len) {
			kfree_skb(skb);
		} else {
			skb_pull(skb, len);
			skb_queue_head(&(info->txq), skb);
		}

		info->hdev->stat.byte_tx += len;

		/* Change buffer */
		change_bit(XMIT_BUFFER_NUMBER, &(info->tx_state));

	} while (test_bit(XMIT_WAKEUP, &(info->tx_state)));

	clear_bit(XMIT_SENDING, &(info->tx_state));
}