Ejemplos de send_pcb_slow en C++ (Cpp)

Ejemplo n.º 1

Archivo: 3c505.c Proyecto: smx-smx/dsl-n55u

static int send_pcb(struct net_device *dev, pcb_struct * pcb)
{
	int i;
	unsigned long timeout;
	elp_device *adapter = dev->priv;
	unsigned long flags;

	check_3c505_dma(dev);

	if (adapter->dmaing && adapter->current_dma.direction == 0)
		return FALSE;

	/* Avoid contention */
	if (test_and_set_bit(1, &adapter->send_pcb_semaphore)) {
		if (elp_debug >= 3) {
			printk(KERN_DEBUG "%s: send_pcb entered while threaded\n", dev->name);
		}
		return FALSE;
	}
	/*
	 * load each byte into the command register and
	 * wait for the HCRE bit to indicate the adapter
	 * had read the byte
	 */
	set_hsf(dev, 0);

	if (send_pcb_slow(dev->base_addr, pcb->command))
		goto abort;

	spin_lock_irqsave(&adapter->lock, flags);

	if (send_pcb_fast(dev->base_addr, pcb->length))
		goto sti_abort;

	for (i = 0; i < pcb->length; i++) {
		if (send_pcb_fast(dev->base_addr, pcb->data.raw[i]))
			goto sti_abort;
	}

	outb_control(adapter->hcr_val | 3, dev);	/* signal end of PCB */
	outb_command(2 + pcb->length, dev->base_addr);

	/* now wait for the acknowledgement */
	spin_unlock_irqrestore(&adapter->lock, flags);

	for (timeout = jiffies + 5*HZ/100; time_before(jiffies, timeout);) {
		switch (GET_ASF(dev->base_addr)) {
		case ASF_PCB_ACK:
			adapter->send_pcb_semaphore = 0;
			return TRUE;

		case ASF_PCB_NAK:
#ifdef ELP_DEBUG
			printk(KERN_DEBUG "%s: send_pcb got NAK\n", dev->name);
#endif
			goto abort;
		}
	}

	if (elp_debug >= 1)
		printk(KERN_DEBUG "%s: timeout waiting for PCB acknowledge (status %02x)\n", dev->name, inb_status(dev->base_addr));
	goto abort;

      sti_abort:
	spin_unlock_irqrestore(&adapter->lock, flags);
      abort:
	adapter->send_pcb_semaphore = 0;
	return FALSE;
}

Ejemplo n.º 2

Archivo: 3c505.c Proyecto: DirtyDroidX/android_kernel_htc_m8ul

static bool send_pcb(struct net_device *dev, pcb_struct * pcb)
{
	int i;
	unsigned long timeout;
	elp_device *adapter = netdev_priv(dev);
	unsigned long flags;

	check_3c505_dma(dev);

	if (adapter->dmaing && adapter->current_dma.direction == 0)
		return false;

	
	if (test_and_set_bit(1, &adapter->send_pcb_semaphore)) {
		if (elp_debug >= 3) {
			pr_debug("%s: send_pcb entered while threaded\n", dev->name);
		}
		return false;
	}
	set_hsf(dev, 0);

	if (send_pcb_slow(dev->base_addr, pcb->command))
		goto abort;

	spin_lock_irqsave(&adapter->lock, flags);

	if (send_pcb_fast(dev->base_addr, pcb->length))
		goto sti_abort;

	for (i = 0; i < pcb->length; i++) {
		if (send_pcb_fast(dev->base_addr, pcb->data.raw[i]))
			goto sti_abort;
	}

	outb_control(adapter->hcr_val | 3, dev);	
	outb_command(2 + pcb->length, dev->base_addr);

	
	spin_unlock_irqrestore(&adapter->lock, flags);

	for (timeout = jiffies + 5*HZ/100; time_before(jiffies, timeout);) {
		switch (GET_ASF(dev->base_addr)) {
		case ASF_PCB_ACK:
			adapter->send_pcb_semaphore = 0;
			return true;

		case ASF_PCB_NAK:
#ifdef ELP_DEBUG
			pr_debug("%s: send_pcb got NAK\n", dev->name);
#endif
			goto abort;
		}
	}

	if (elp_debug >= 1)
		pr_debug("%s: timeout waiting for PCB acknowledge (status %02x)\n",
			dev->name, inb_status(dev->base_addr));
	goto abort;

      sti_abort:
	spin_unlock_irqrestore(&adapter->lock, flags);
      abort:
	adapter->send_pcb_semaphore = 0;
	return false;
}