V4L/DVB (6064): cx88: Add symbolic names for the PCI interrupt bits

Used for the PCI_INTMSK and PCI_INT_STAT registers.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

8 files changed, 49 insertions, 21 deletions

diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index 2d666b56020c..a529c0a87d1a 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -149,9 +149,11 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
         /* 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 @@ static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
         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 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id)
         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 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id)
                 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 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id)
                 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 e73e8c96d5b9..a4eb6a87a761 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -2063,7 +2063,9 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
         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 0765e9db5339..970926b97ee4 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -498,7 +498,7 @@ int cx88_core_irq(struct cx88_core *core, u32 status)
 {
         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 120f56857f0e..c78a95ef7581 100644
--- a/drivers/media/video/cx88/cx88-input.c
+++ b/drivers/media/video/cx88/cx88-input.c
@@ -167,7 +167,7 @@ static void cx88_ir_start(struct cx88_core *core, struct cx88_IR *ir)
                 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 @@ static void cx88_ir_stop(struct cx88_core *core, struct cx88_IR *ir)
 {
         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 5da47e251e66..d46114685ed1 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -148,7 +148,7 @@ static int cx8802_start_dma(struct cx8802_dev    *dev,
 
         /* 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 @@ static int cx8802_stop_dma(struct cx8802_dev *dev)
         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 @@ static irqreturn_t cx8802_irq(int irq, void *dev_id)
         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 @@ static irqreturn_t cx8802_irq(int irq, void *dev_id)
 
                 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 d3bf5b17b1d4..2b1d102cd220 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 86c1cf8334bc..16c0d36bb6b2 100644
--- a/drivers/media/video/cx88/cx88-vbi.c
+++ b/drivers/media/video/cx88/cx88-vbi.c
@@ -67,7 +67,7 @@ static int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
         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 @@ int cx8800_stop_vbi_dma(struct cx8800_dev *dev)
         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 e158ea2454af..e96c688cba9f 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -423,7 +423,7 @@ static int start_video_dma(struct cx8800_dev    *dev,
         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 @@ static int stop_video_dma(struct cx8800_dev    *dev)
         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 @@ static irqreturn_t cx8800_irq(int irq, void *dev_id)
         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 @@ static irqreturn_t cx8800_irq(int irq, void *dev_id)
 
                 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) {