C++ (Cpp) gus_midi_interrupt Examples

Example #1

File: gus_card.c Project: liexusong/linux2.0-comment

void
gusintr (int irq, void *dev_id, struct pt_regs *dummy)
{
  unsigned char   src;
  extern int      gus_timer_enabled;

  sti ();

#ifdef CONFIG_GUSMAX
  if (have_gus_max)
    ad1848_interrupt (irq, NULL, NULL);
#endif

  while (1)
    {
      if (!(src = inb (u_IrqStatus)))
	return;

      if (src & DMA_TC_IRQ)
	{
	  guswave_dma_irq ();
	}

      if (src & (MIDI_TX_IRQ | MIDI_RX_IRQ))
	{
#ifdef CONFIG_MIDI
	  gus_midi_interrupt (0);
#endif
	}

      if (src & (GF1_TIMER1_IRQ | GF1_TIMER2_IRQ))
	{
#ifdef CONFIG_SEQUENCER
	  if (gus_timer_enabled)
	    {
	      sound_timer_interrupt ();
	    }

	  gus_write8 (0x45, 0);	/* Ack IRQ */
	  gus_timer_command (4, 0x80);	/* Reset IRQ flags */

#else
	  gus_write8 (0x45, 0);	/* Stop timers */
#endif
	}

      if (src & (WAVETABLE_IRQ | ENVELOPE_IRQ))
	{
	  gus_voice_irq ();
	}
    }
}

Example #2

File: gus_card.c Project: FelipeFernandes1988/Alice-1121-Modem

irqreturn_t gusintr(int irq, void *dev_id, struct pt_regs *dummy)
{
	unsigned char src;
	extern int gus_timer_enabled;
	int handled = 0;

#ifdef CONFIG_SOUND_GUSMAX
	if (have_gus_max) {
		struct address_info *hw_config = dev_id;
		adintr(irq, (void *)hw_config->slots[1], NULL);
	}
#endif
#ifdef CONFIG_SOUND_GUS16
	if (db16) {
		struct address_info *hw_config = dev_id;
		adintr(irq, (void *)hw_config->slots[3], NULL);
	}
#endif

	while (1)
	{
		if (!(src = inb(u_IrqStatus)))
			break;
		handled = 1;
		if (src & DMA_TC_IRQ)
		{
			guswave_dma_irq();
		}
		if (src & (MIDI_TX_IRQ | MIDI_RX_IRQ))
		{
			gus_midi_interrupt(0);
		}
		if (src & (GF1_TIMER1_IRQ | GF1_TIMER2_IRQ))
		{
			if (gus_timer_enabled)
				sound_timer_interrupt();
			gus_write8(0x45, 0);	/* Ack IRQ */
			gus_timer_command(4, 0x80);		/* Reset IRQ flags */
		}
		if (src & (WAVETABLE_IRQ | ENVELOPE_IRQ))
			gus_voice_irq();
	}
	return IRQ_RETVAL(handled);
}

Example #3

File: gus_card.c Project: DreamLiMu/Linux-Kernel-Study

void
gusintr (int unit)
{
  unsigned char   src;

#ifdef linux
  sti();
#endif

  while (1)
    {
      if (!(src = INB (u_IrqStatus)))
	return;

      if (src & DMA_TC_IRQ)
	{
	  guswave_dma_irq ();
	}

      if (src & (MIDI_TX_IRQ | MIDI_RX_IRQ))
	{
#ifndef EXCLUDE_MIDI
	  gus_midi_interrupt (0);
#endif
	}

      if (src & (GF1_TIMER1_IRQ | GF1_TIMER2_IRQ))
	{
	  printk ("T");
	  gus_write8 (0x45, 0);	/* Timer control */
	}

      if (src & (WAVETABLE_IRQ | ENVELOPE_IRQ))
	{
	  gus_voice_irq ();
	}
    }
}