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path: root/drivers/media/dvb/b2c2/flexcop-pci.c
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Diffstat (limited to 'drivers/media/dvb/b2c2/flexcop-pci.c')
-rw-r--r--drivers/media/dvb/b2c2/flexcop-pci.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c
index c52286ea669..78952096fb7 100644
--- a/drivers/media/dvb/b2c2/flexcop-pci.c
+++ b/drivers/media/dvb/b2c2/flexcop-pci.c
@@ -9,7 +9,7 @@
#define FC_LOG_PREFIX "flexcop-pci"
#include "flexcop-common.h"
-static int enable_pid_filtering = 0;
+static int enable_pid_filtering = 1;
module_param(enable_pid_filtering, int, 0444);
MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported values: 0 (fullts), 1");
@@ -45,13 +45,14 @@ struct flexcop_pci {
void __iomem *io_mem;
u32 irq;
/* buffersize (at least for DMA1, need to be % 188 == 0,
- * this is logic is required */
+ * this logic is required */
#define FC_DEFAULT_DMA1_BUFSIZE (1280 * 188)
#define FC_DEFAULT_DMA2_BUFSIZE (10 * 188)
struct flexcop_dma dma[2];
int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */
u32 last_dma1_cur_pos; /* position of the pointer last time the timer/packet irq occured */
+ int count;
spinlock_t irq_lock;
@@ -99,15 +100,6 @@ static irqreturn_t flexcop_pci_irq(int irq, void *dev_id, struct pt_regs *regs)
spin_lock_irq(&fc_pci->irq_lock);
- deb_irq("irq: %08x cur_addr: %08x (%d), our addrs. 1: %08x 2: %08x; 0x000: "
- "%08x, 0x00c: %08x\n",v.raw,
- fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2,
- fc_pci->active_dma1_addr,
- fc_pci->dma[0].dma_addr0,fc_pci->dma[0].dma_addr1,
- fc->read_ibi_reg(fc,dma1_000).raw,
- fc->read_ibi_reg(fc,dma1_00c).raw);
-
-
if (v.irq_20c.DMA1_IRQ_Status == 1) {
if (fc_pci->active_dma1_addr == 0)
flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr0,fc_pci->dma[0].size / 188);
@@ -123,21 +115,28 @@ static irqreturn_t flexcop_pci_irq(int irq, void *dev_id, struct pt_regs *regs)
fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
+ deb_irq("irq: %08x cur_addr: %08x: cur_pos: %08x, last_cur_pos: %08x ",
+ v.raw,cur_addr,cur_pos,fc_pci->last_dma1_cur_pos);
+
/* buffer end was reached, restarted from the beginning
* pass the data from last_cur_pos to the buffer end to the demux
*/
if (cur_pos < fc_pci->last_dma1_cur_pos) {
+ deb_irq(" end was reached: passing %d bytes ",(fc_pci->dma[0].size*2 - 1) - fc_pci->last_dma1_cur_pos);
flexcop_pass_dmx_data(fc_pci->fc_dev,
fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
- (fc_pci->dma[0].size*2 - 1) - fc_pci->last_dma1_cur_pos);
+ (fc_pci->dma[0].size*2) - fc_pci->last_dma1_cur_pos);
fc_pci->last_dma1_cur_pos = 0;
+ fc_pci->count = 0;
}
if (cur_pos > fc_pci->last_dma1_cur_pos) {
+ deb_irq(" passing %d bytes ",cur_pos - fc_pci->last_dma1_cur_pos);
flexcop_pass_dmx_data(fc_pci->fc_dev,
fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
cur_pos - fc_pci->last_dma1_cur_pos);
}
+ deb_irq("\n");
fc_pci->last_dma1_cur_pos = cur_pos;
} else
@@ -301,6 +300,11 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
fc->stream_control = flexcop_pci_stream_control;
+ if (enable_pid_filtering)
+ info("will use the HW PID filter.");
+ else
+ info("will pass the complete TS to the demuxer.");
+
fc->pid_filtering = enable_pid_filtering;
fc->bus_type = FC_PCI;