Esempio n. 1
0
File: sa.c Progetto: xricson/knoppix
static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs)
{
	struct aac_dev *dev = dev_id;
	unsigned short intstat, mask;

	intstat = sa_readw(dev, DoorbellReg_p);
	/*
	 *	Read mask and invert because drawbridge is reversed.
	 *	This allows us to only service interrupts that have been enabled.
	 */
	mask = ~(sa_readw(dev, SaDbCSR.PRISETIRQMASK));

	/* Check to see if this is our interrupt.  If it isn't just return */

	if (intstat & mask) {
		if (intstat & PrintfReady) {
			aac_printf(dev, le32_to_cpu(sa_readl(dev, Mailbox5)));
			sa_writew(dev, DoorbellClrReg_p, PrintfReady); /* clear PrintfReady */
			sa_writew(dev, DoorbellReg_s, PrintfDone);
		} else if (intstat & DOORBELL_1) {	// dev -> Host Normal Command Ready
			aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_1);
		} else if (intstat & DOORBELL_2) {	// dev -> Host Normal Response Ready
			aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_2);
		} else if (intstat & DOORBELL_3) {	// dev -> Host Normal Command Not Full
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_3);
		} else if (intstat & DOORBELL_4) {	// dev -> Host Normal Response Not Full
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_4);
		}
		return IRQ_HANDLED;
	}
	return IRQ_NONE;
}
Esempio n. 2
0
static irqreturn_t aac_rx_intr_producer(int irq, void *dev_id)
{
	struct aac_dev *dev = dev_id;
	unsigned long bellbits;
	u8 intstat = rx_readb(dev, MUnit.OISR);

	
	if (likely(intstat & ~(dev->OIMR))) {
		bellbits = rx_readl(dev, OutboundDoorbellReg);
		if (unlikely(bellbits & DoorBellPrintfReady)) {
			aac_printf(dev, readl (&dev->IndexRegs->Mailbox[5]));
			rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
			rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
		}
		else if (unlikely(bellbits & DoorBellAdapterNormCmdReady)) {
			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
			aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
		}
		else if (likely(bellbits & DoorBellAdapterNormRespReady)) {
			rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
			aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
		}
		else if (unlikely(bellbits & DoorBellAdapterNormCmdNotFull)) {
			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
		}
		else if (unlikely(bellbits & DoorBellAdapterNormRespNotFull)) {
			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
		}
		return IRQ_HANDLED;
	}
	return IRQ_NONE;
}
Esempio n. 3
0
static irqreturn_t aac_sa_intr(int irq, void *dev_id)
{
	struct aac_dev *dev = dev_id;
	unsigned short intstat, mask;

	intstat = sa_readw(dev, DoorbellReg_p);
	mask = ~(sa_readw(dev, SaDbCSR.PRISETIRQMASK));

	

	if (intstat & mask) {
		if (intstat & PrintfReady) {
			aac_printf(dev, sa_readl(dev, Mailbox5));
			sa_writew(dev, DoorbellClrReg_p, PrintfReady); 
			sa_writew(dev, DoorbellReg_s, PrintfDone);
		} else if (intstat & DOORBELL_1) {	
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_1);
			aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
		} else if (intstat & DOORBELL_2) {	
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_2);
			aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
		} else if (intstat & DOORBELL_3) {	
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_3);
		} else if (intstat & DOORBELL_4) {	
			sa_writew(dev, DoorbellClrReg_p, DOORBELL_4);
		}
		return IRQ_HANDLED;
	}
	return IRQ_NONE;
}
Esempio n. 4
0
static irqreturn_t aac_rx_intr(int irq, void *dev_id, struct pt_regs *regs)
{
	struct aac_dev *dev = dev_id;

	dprintk((KERN_DEBUG "aac_rx_intr(%d,%p,%p)\n", irq, dev_id, regs));
	if (dev->new_comm_interface) {
		u32 Index = rx_readl(dev, MUnit.OutboundQueue);
		if (Index == 0xFFFFFFFFL)
			Index = rx_readl(dev, MUnit.OutboundQueue);
		if (Index != 0xFFFFFFFFL) {
			do {
				if (aac_intr_normal(dev, Index)) {
					rx_writel(dev, MUnit.OutboundQueue, Index);
					rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady);
				}
				Index = rx_readl(dev, MUnit.OutboundQueue);
			} while (Index != 0xFFFFFFFFL);
			return IRQ_HANDLED;
		}
	} else {
		unsigned long bellbits;
		u8 intstat;
		intstat = rx_readb(dev, MUnit.OISR);
		/*
		 *	Read mask and invert because drawbridge is reversed.
		 *	This allows us to only service interrupts that have 
		 *	been enabled.
		 *	Check to see if this is our interrupt.  If it isn't just return
		 */
		if (intstat & ~(dev->OIMR)) 
		{
			bellbits = rx_readl(dev, OutboundDoorbellReg);
			if (bellbits & DoorBellPrintfReady) {
				aac_printf(dev, rx_readl (dev, IndexRegs.Mailbox[5]));
				rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
				rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
			}
			else if (bellbits & DoorBellAdapterNormCmdReady) {
				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
				aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
			}
			else if (bellbits & DoorBellAdapterNormRespReady) {
				rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
				aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
			}
			else if (bellbits & DoorBellAdapterNormCmdNotFull) {
				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
			}
			else if (bellbits & DoorBellAdapterNormRespNotFull) {
				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
			}
			return IRQ_HANDLED;
		}
	}
	return IRQ_NONE;
}
Esempio n. 5
0
static irqreturn_t aac_rkt_intr(int irq, void *dev_id, struct pt_regs *regs)
{
	struct aac_dev *dev = dev_id;
	unsigned long bellbits;
	u8 intstat, mask;
	intstat = rkt_readb(dev, MUnit.OISR);
	/*
	 *	Read mask and invert because drawbridge is reversed.
	 *	This allows us to only service interrupts that have 
	 *	been enabled.
	 */
	mask = ~(dev->OIMR);
	/* Check to see if this is our interrupt.  If it isn't just return */
	if (intstat & mask) 
	{
		bellbits = rkt_readl(dev, OutboundDoorbellReg);
		if (bellbits & DoorBellPrintfReady) {
			aac_printf(dev, rkt_readl(dev, IndexRegs.Mailbox[5]));
			rkt_writel(dev, MUnit.ODR,DoorBellPrintfReady);
			rkt_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
		}
		else if (bellbits & DoorBellAdapterNormCmdReady) {
			rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
			aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
		}
		else if (bellbits & DoorBellAdapterNormRespReady) {
			aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
			rkt_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
		}
		else if (bellbits & DoorBellAdapterNormCmdNotFull) {
			rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
		}
		else if (bellbits & DoorBellAdapterNormRespNotFull) {
			rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
			rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
		}
		return IRQ_HANDLED;
	}
	return IRQ_NONE;
}