From 6f074abb624aced31339a0f8fac778b344adac4c Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Sat, 8 Sep 2007 14:21:03 -0300 Subject: V4L/DVB (6194): Changes to support interrupts on VIDB Changes to support interrupts on VIDB Signed-off-by: Steven Toth Reviewed-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-core.c | 59 +++++++++++++++++++++++++++--- 1 file changed, 54 insertions(+), 5 deletions(-) diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index 907ea4c2ea38..d155f5fb133c 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); } -- cgit v1.2.2