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authorSteven Toth <stoth@hauppauge.com>2007-09-08 14:21:03 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-10-09 22:14:28 -0300
commit6f074abb624aced31339a0f8fac778b344adac4c (patch)
tree41db0865fa8b2ab61cbea3203c27173b92c13d5e /drivers
parentccbe64c664f2e3a86430ef63c974e38ac1cd5b93 (diff)
V4L/DVB (6194): Changes to support interrupts on VIDB
Changes to support interrupts on VIDB Signed-off-by: Steven Toth <stoth@hauppauge.com> Reviewed-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/cx23885/cx23885-core.c59
1 files changed, 54 insertions, 5 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 907ea4c2ea3..d155f5fb133 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -1252,20 +1252,23 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
struct cx23885_dev *dev = dev_id;
struct cx23885_tsport *port = &dev->ts2;
u32 pci_status, pci_mask;
+ u32 ts1_status, ts1_mask;
u32 ts2_status, ts2_mask;
int count = 0, handled = 0;
pci_status = cx_read(PCI_INT_STAT);
pci_mask = cx_read(PCI_INT_MSK);
-
+ ts1_status = cx_read(VID_B_INT_STAT);
+ ts1_mask = cx_read(VID_B_INT_MSK);
ts2_status = cx_read(VID_C_INT_STAT);
ts2_mask = cx_read(VID_C_INT_MSK);
- if ( (pci_status == 0) && (ts2_status == 0) )
+ if ( (pci_status == 0) && (ts2_status == 0) && (ts1_status == 0) )
goto out;
count = cx_read(port->reg_gpcnt);
dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n", pci_status, pci_mask );
+ dprintk(7, "ts1_status: 0x%08x ts1_mask: 0x%08x count: 0x%x\n", ts1_status, ts1_mask, count );
dprintk(7, "ts2_status: 0x%08x ts2_mask: 0x%08x count: 0x%x\n", ts2_status, ts2_mask, count );
if ( (pci_status & PCI_MSK_RISC_RD) ||
@@ -1303,6 +1306,48 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
}
+ if ( (ts1_status & VID_B_MSK_OPC_ERR) ||
+ (ts1_status & VID_B_MSK_BAD_PKT) ||
+ (ts1_status & VID_B_MSK_SYNC) ||
+ (ts1_status & VID_B_MSK_OF))
+ {
+ if (ts1_status & VID_B_MSK_OPC_ERR)
+ dprintk(7, " (VID_B_MSK_OPC_ERR 0x%08x)\n", VID_B_MSK_OPC_ERR);
+ if (ts1_status & VID_B_MSK_BAD_PKT)
+ dprintk(7, " (VID_B_MSK_BAD_PKT 0x%08x)\n", VID_B_MSK_BAD_PKT);
+ if (ts1_status & VID_B_MSK_SYNC)
+ dprintk(7, " (VID_B_MSK_SYNC 0x%08x)\n", VID_B_MSK_SYNC);
+ if (ts1_status & VID_B_MSK_OF)
+ dprintk(7, " (VID_B_MSK_OF 0x%08x)\n", VID_B_MSK_OF);
+
+ printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name);
+
+ cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
+ cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
+
+ } else if (ts1_status & VID_B_MSK_RISCI1) {
+
+ dprintk(7, " (RISCI1 0x%08x)\n", VID_B_MSK_RISCI1);
+
+ spin_lock(&port->slock);
+ count = cx_read(port->reg_gpcnt);
+ cx23885_wakeup(port, &port->mpegq, count);
+ spin_unlock(&port->slock);
+
+ } else if (ts1_status & VID_B_MSK_RISCI2) {
+
+ dprintk(7, " (RISCI2 0x%08x)\n", VID_B_MSK_RISCI2);
+
+ spin_lock(&port->slock);
+ cx23885_restart_queue(port, &port->mpegq);
+ spin_unlock(&port->slock);
+
+ }
+ if (ts1_status) {
+ cx_write(VID_B_INT_STAT, ts1_status);
+ handled = 1;
+ }
+
if ( (ts2_status & VID_C_MSK_OPC_ERR) ||
(ts2_status & VID_C_MSK_BAD_PKT) ||
(ts2_status & VID_C_MSK_SYNC) ||
@@ -1341,9 +1386,13 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
}
- cx_write(VID_C_INT_STAT, ts2_status);
- cx_write(PCI_INT_STAT, pci_status);
- handled = 1;
+ if (ts2_status) {
+ cx_write(VID_C_INT_STAT, ts2_status);
+ handled = 1;
+ }
+
+ if (handled)
+ cx_write(PCI_INT_STAT, pci_status);
out:
return IRQ_RETVAL(handled);
}