diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index 2d666b5..a529c0a 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -149,9 +149,11 @@
 	/* reset counter */
 	cx_write(MO_AUDD_GPCNTRL,GP_COUNT_CONTROL_RESET);
 
-	dprintk(1,"Enabling IRQ, setting mask from 0x%x to 0x%x\n",chip->core->pci_irqmask,(chip->core->pci_irqmask | 0x02));
+	dprintk(1, "Enabling IRQ, setting mask from 0x%x to 0x%x\n",
+		chip->core->pci_irqmask,
+		chip->core->pci_irqmask | PCI_INT_AUDINT);
 	/* enable irqs */
-	cx_set(MO_PCI_INTMSK, chip->core->pci_irqmask | 0x02);
+	cx_set(MO_PCI_INTMSK, chip->core->pci_irqmask | PCI_INT_AUDINT);
 
 
 	/* Enables corresponding bits at AUD_INT_STAT */
@@ -184,7 +186,7 @@
 	cx_clear(MO_AUD_DMACNTRL, 0x11);
 
 	/* disable irqs */
-	cx_clear(MO_PCI_INTMSK, 0x02);
+	cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT);
 	cx_clear(MO_AUD_INTMSK,
 			(1<<16)|
 			(1<<12)|
@@ -273,7 +275,8 @@
 	int loop, handled = 0;
 
 	for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
-		status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x02);
+		status = cx_read(MO_PCI_INTSTAT) &
+			(core->pci_irqmask | PCI_INT_AUDINT);
 		if (0 == status)
 			goto out;
 		dprintk( 3, "cx8801_irq\n" );
@@ -282,8 +285,7 @@
 		handled = 1;
 		cx_write(MO_PCI_INTSTAT, status);
 
-		if (status & 0x02)
-		{
+		if (status & PCI_INT_AUDINT) {
 			dprintk( 2, "    ALSA IRQ handling\n" );
 			cx8801_aud_irq(chip);
 		}
@@ -293,7 +295,7 @@
 		dprintk( 0, "clearing mask\n" );
 		dprintk(1,"%s/0: irq loop -- clearing mask\n",
 		       core->name);
-		cx_clear(MO_PCI_INTMSK,0x02);
+		cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT);
 	}
 
  out:
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index e73e8c9..a4eb6a8 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -2063,7 +2063,9 @@
 	atomic_inc(&core->refcount);
 	core->pci_bus  = pci->bus->number;
 	core->pci_slot = PCI_SLOT(pci->devfn);
-	core->pci_irqmask = 0x00fc00;
+	core->pci_irqmask = PCI_INT_RISC_RD_BERRINT | PCI_INT_RISC_WR_BERRINT |
+			    PCI_INT_BRDG_BERRINT | PCI_INT_SRC_DMA_BERRINT |
+			    PCI_INT_DST_DMA_BERRINT | PCI_INT_IPB_DMA_BERRINT;
 	mutex_init(&core->lock);
 
 	core->nr = nr;
diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index 0765e9d..970926b 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -498,7 +498,7 @@
 {
 	int handled = 0;
 
-	if (status & (1<<18)) {
+	if (status & PCI_INT_IR_SMPINT) {
 		cx88_ir_irq(core);
 		handled++;
 	}
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c
index 120f568..c78a95e 100644
--- a/drivers/media/video/cx88/cx88-input.c
+++ b/drivers/media/video/cx88/cx88-input.c
@@ -167,7 +167,7 @@
 		schedule_work(&ir->work);
 	}
 	if (ir->sampling) {
-		core->pci_irqmask |= (1 << 18);	/* IR_SMP_INT */
+		core->pci_irqmask |= PCI_INT_IR_SMPINT;
 		cx_write(MO_DDS_IO, 0xa80a80);	/* 4 kHz sample rate */
 		cx_write(MO_DDSCFG_IO, 0x5);	/* enable */
 	}
@@ -177,7 +177,7 @@
 {
 	if (ir->sampling) {
 		cx_write(MO_DDSCFG_IO, 0x0);
-		core->pci_irqmask &= ~(1 << 18);
+		core->pci_irqmask &= ~PCI_INT_IR_SMPINT;
 	}
 
 	if (ir->polling) {
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index 5da47e25..d461146 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -148,7 +148,7 @@
 
 	/* enable irqs */
 	dprintk( 1, "setting the interrupt mask\n" );
-	cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x04);
+	cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT);
 	cx_set(MO_TS_INTMSK,  0x1f0011);
 
 	/* start dma */
@@ -166,7 +166,7 @@
 	cx_clear(MO_TS_DMACNTRL, 0x11);
 
 	/* disable irqs */
-	cx_clear(MO_PCI_INTMSK, 0x000004);
+	cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT);
 	cx_clear(MO_TS_INTMSK, 0x1f0011);
 
 	/* Reset the controller */
@@ -413,7 +413,8 @@
 	int loop, handled = 0;
 
 	for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
-		status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x04);
+		status = cx_read(MO_PCI_INTSTAT) &
+			(core->pci_irqmask | PCI_INT_TSINT);
 		if (0 == status)
 			goto out;
 		dprintk( 1, "cx8802_irq\n" );
@@ -424,7 +425,7 @@
 
 		if (status & core->pci_irqmask)
 			cx88_core_irq(core,status);
-		if (status & 0x04)
+		if (status & PCI_INT_TSINT)
 			cx8802_mpeg_irq(dev);
 	};
 	if (MAX_IRQ_LOOP == loop) {
diff --git a/drivers/media/video/cx88/cx88-reg.h b/drivers/media/video/cx88/cx88-reg.h
index d3bf5b1..2b1d102 100644
--- a/drivers/media/video/cx88/cx88-reg.h
+++ b/drivers/media/video/cx88/cx88-reg.h
@@ -582,6 +582,28 @@
 /* ---------------------------------------------------------------------- */
 /* various constants                                                      */
 
+// DMA
+/* Interrupt mask/status */
+#define PCI_INT_VIDINT		(1 <<  0)
+#define PCI_INT_AUDINT		(1 <<  1)
+#define PCI_INT_TSINT		(1 <<  2)
+#define PCI_INT_VIPINT		(1 <<  3)
+#define PCI_INT_HSTINT		(1 <<  4)
+#define PCI_INT_TM1INT		(1 <<  5)
+#define PCI_INT_SRCDMAINT	(1 <<  6)
+#define PCI_INT_DSTDMAINT	(1 <<  7)
+#define PCI_INT_RISC_RD_BERRINT	(1 << 10)
+#define PCI_INT_RISC_WR_BERRINT	(1 << 11)
+#define PCI_INT_BRDG_BERRINT	(1 << 12)
+#define PCI_INT_SRC_DMA_BERRINT	(1 << 13)
+#define PCI_INT_DST_DMA_BERRINT	(1 << 14)
+#define PCI_INT_IPB_DMA_BERRINT	(1 << 15)
+#define PCI_INT_I2CDONE		(1 << 16)
+#define PCI_INT_I2CRACK		(1 << 17)
+#define PCI_INT_IR_SMPINT	(1 << 18)
+#define PCI_INT_GPIO_INT0	(1 << 19)
+#define PCI_INT_GPIO_INT1	(1 << 20)
+
 #define SEL_BTSC     0x01
 #define SEL_EIAJ     0x02
 #define SEL_A2       0x04
diff --git a/drivers/media/video/cx88/cx88-vbi.c b/drivers/media/video/cx88/cx88-vbi.c
index 86c1cf8..16c0d36 100644
--- a/drivers/media/video/cx88/cx88-vbi.c
+++ b/drivers/media/video/cx88/cx88-vbi.c
@@ -67,7 +67,7 @@
 	q->count = 1;
 
 	/* enable irqs */
-	cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
+	cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 	cx_set(MO_VID_INTMSK, 0x0f0088);
 
 	/* enable capture */
@@ -91,7 +91,7 @@
 	cx_clear(VID_CAPTURE_CONTROL,0x18);
 
 	/* disable irqs */
-	cx_clear(MO_PCI_INTMSK, 0x000001);
+	cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 	cx_clear(MO_VID_INTMSK, 0x0f0088);
 	return 0;
 }
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index e158ea2..e96c688 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -423,7 +423,7 @@
 	q->count = 1;
 
 	/* enable irqs */
-	cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01);
+	cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 
 	/* Enables corresponding bits at PCI_INT_STAT:
 		bits 0 to 4: video, audio, transport stream, VIP, Host
@@ -456,7 +456,7 @@
 	cx_clear(VID_CAPTURE_CONTROL,0x06);
 
 	/* disable irqs */
-	cx_clear(MO_PCI_INTMSK, 0x000001);
+	cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 	cx_clear(MO_VID_INTMSK, 0x0f0011);
 	return 0;
 }
@@ -1604,7 +1604,8 @@
 	int loop, handled = 0;
 
 	for (loop = 0; loop < 10; loop++) {
-		status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01);
+		status = cx_read(MO_PCI_INTSTAT) &
+			(core->pci_irqmask | PCI_INT_VIDINT);
 		if (0 == status)
 			goto out;
 		cx_write(MO_PCI_INTSTAT, status);
@@ -1612,7 +1613,7 @@
 
 		if (status & core->pci_irqmask)
 			cx88_core_irq(core,status);
-		if (status & 0x01)
+		if (status & PCI_INT_VIDINT)
 			cx8800_vid_irq(dev);
 	};
 	if (10 == loop) {