C++ (Cpp) msnd_wait_TXDE 예제들

예제 #1

int msnd_disable_irq(multisound_dev_t *dev)
{
	unsigned long flags;

	if (--dev->irq_ref > 0)
		return 0;

	if (dev->irq_ref < 0)
		printk(KERN_DEBUG LOGNAME ": IRQ ref count is %d\n", dev->irq_ref);

	printk(KERN_DEBUG LOGNAME ": Disabling IRQ\n");

	spin_lock_irqsave(&dev->lock, flags);
	if (msnd_wait_TXDE(dev) == 0) {
		outb(inb(dev->io + HP_ICR) & ~HPICR_RREQ, dev->io + HP_ICR);
		if (dev->type == msndClassic)
			outb(HPIRQ_NONE, dev->io + HP_IRQM);
		disable_irq(dev->irq);
		spin_unlock_irqrestore(&dev->lock, flags);
		return 0;
	}
	spin_unlock_irqrestore(&dev->lock, flags);

	printk(KERN_DEBUG LOGNAME ": Disable IRQ failed\n");

	return -EIO;
}

예제 #2

int msnd_enable_irq(multisound_dev_t *dev)
{
	unsigned long flags;

	if (dev->irq_ref++)
		return 0;

	printk(KERN_DEBUG LOGNAME ": Enabling IRQ\n");

	spin_lock_irqsave(&dev->lock, flags);
	if (msnd_wait_TXDE(dev) == 0) {
		outb(inb(dev->io + HP_ICR) | HPICR_TREQ, dev->io + HP_ICR);
		if (dev->type == msndClassic)
			outb(dev->irqid, dev->io + HP_IRQM);
		outb(inb(dev->io + HP_ICR) & ~HPICR_TREQ, dev->io + HP_ICR);
		outb(inb(dev->io + HP_ICR) | HPICR_RREQ, dev->io + HP_ICR);
		enable_irq(dev->irq);
		msnd_init_queue(dev->DSPQ, dev->dspq_data_buff, dev->dspq_buff_size);
		spin_unlock_irqrestore(&dev->lock, flags);
		return 0;
	}
	spin_unlock_irqrestore(&dev->lock, flags);

	printk(KERN_DEBUG LOGNAME ": Enable IRQ failed\n");

	return -EIO;
}

예제 #3

파일: msnd.c 프로젝트: rrowicki/Chrono_Kernel-1

int msnd_disable_irq(multisound_dev_t *dev)
{
	unsigned long flags;

	if (--dev->irq_ref > 0)
		return 0;

	if (dev->irq_ref < 0)
;

;

	spin_lock_irqsave(&dev->lock, flags);
	if (msnd_wait_TXDE(dev) == 0) {
		msnd_outb(msnd_inb(dev->io + HP_ICR) & ~HPICR_RREQ, dev->io + HP_ICR);
		if (dev->type == msndClassic)
			msnd_outb(HPIRQ_NONE, dev->io + HP_IRQM);
		disable_irq(dev->irq);
		spin_unlock_irqrestore(&dev->lock, flags);
		return 0;
	}
	spin_unlock_irqrestore(&dev->lock, flags);

;

	return -EIO;
}

예제 #4

파일: msnd.c 프로젝트: rrowicki/Chrono_Kernel-1

int msnd_enable_irq(multisound_dev_t *dev)
{
	unsigned long flags;

	if (dev->irq_ref++)
		return 0;

;

	spin_lock_irqsave(&dev->lock, flags);
	if (msnd_wait_TXDE(dev) == 0) {
		msnd_outb(msnd_inb(dev->io + HP_ICR) | HPICR_TREQ, dev->io + HP_ICR);
		if (dev->type == msndClassic)
			msnd_outb(dev->irqid, dev->io + HP_IRQM);
		msnd_outb(msnd_inb(dev->io + HP_ICR) & ~HPICR_TREQ, dev->io + HP_ICR);
		msnd_outb(msnd_inb(dev->io + HP_ICR) | HPICR_RREQ, dev->io + HP_ICR);
		enable_irq(dev->irq);
		msnd_init_queue(dev->DSPQ, dev->dspq_data_buff, dev->dspq_buff_size);
		spin_unlock_irqrestore(&dev->lock, flags);
		return 0;
	}
	spin_unlock_irqrestore(&dev->lock, flags);

;

	return -EIO;
}

예제 #5

int msnd_send_word(multisound_dev_t *dev, unsigned char high,
		   unsigned char mid, unsigned char low)
{
	register unsigned int io = dev->io;

	if (msnd_wait_TXDE(dev) == 0) {
		outb(high, io + HP_TXH);
		outb(mid, io + HP_TXM);
		outb(low, io + HP_TXL);
		return 0;
	}

	printk(KERN_DEBUG LOGNAME ": Send host word timeout\n");

	return -EIO;
}

예제 #6

파일: msnd.c 프로젝트: rrowicki/Chrono_Kernel-1

int msnd_send_word(multisound_dev_t *dev, unsigned char high,
		   unsigned char mid, unsigned char low)
{
	register unsigned int io = dev->io;

	if (msnd_wait_TXDE(dev) == 0) {
		msnd_outb(high, io + HP_TXH);
		msnd_outb(mid, io + HP_TXM);
		msnd_outb(low, io + HP_TXL);
		return 0;
	}

;

	return -EIO;
}