diff options
| -rw-r--r-- | drivers/media/dvb/b2c2/flexcop-common.h | 2 | ||||
| -rw-r--r-- | drivers/media/dvb/b2c2/flexcop-hw-filter.c | 73 | ||||
| -rw-r--r-- | drivers/media/dvb/b2c2/flexcop-pci.c | 28 |
3 files changed, 56 insertions, 47 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-common.h b/drivers/media/dvb/b2c2/flexcop-common.h index 534876d616b8..79e8581b4fb7 100644 --- a/drivers/media/dvb/b2c2/flexcop-common.h +++ b/drivers/media/dvb/b2c2/flexcop-common.h @@ -76,8 +76,10 @@ struct flexcop_device { struct semaphore i2c_sem; /* options and status */ + int extra_feedcount; int feedcount; int pid_filtering; + int fullts_streaming_state; /* bus specific callbacks */ flexcop_ibi_value (*read_ibi_reg) (struct flexcop_device *, flexcop_ibi_register); diff --git a/drivers/media/dvb/b2c2/flexcop-hw-filter.c b/drivers/media/dvb/b2c2/flexcop-hw-filter.c index 7a5399b569c7..2baf43d3ce8f 100644 --- a/drivers/media/dvb/b2c2/flexcop-hw-filter.c +++ b/drivers/media/dvb/b2c2/flexcop-hw-filter.c @@ -104,6 +104,9 @@ static void flexcop_pid_ECM_PID_ctrl(struct flexcop_device *fc, u16 pid, int ono static void flexcop_pid_control(struct flexcop_device *fc, int index, u16 pid,int onoff) { + if (pid == 0x2000) + return; + deb_ts("setting pid: %5d %04x at index %d '%s'\n",pid,pid,index,onoff ? "on" : "off"); /* We could use bit magic here to reduce source code size. @@ -133,50 +136,50 @@ static void flexcop_pid_control(struct flexcop_device *fc, int index, u16 pid,in } } +static int flexcop_toggle_fullts_streaming(struct flexcop_device *fc,int onoff) +{ + if (fc->fullts_streaming_state != onoff) { + deb_ts("%s full TS transfer\n",onoff ? "enabling" : "disabling"); + flexcop_pid_group_filter(fc, 0, 0x1fe0 * (!onoff)); + flexcop_pid_group_filter_ctrl(fc,onoff); + fc->fullts_streaming_state = onoff; + } + return 0; +} + int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *dvbdmxfeed, int onoff) { int max_pid_filter = 6 + fc->has_32_hw_pid_filter*32; - fc->feedcount += (onoff ? 1 : -1); + fc->feedcount += onoff ? 1 : -1; + if (dvbdmxfeed->index >= max_pid_filter) + fc->extra_feedcount += onoff ? 1 : -1; - /* when doing hw pid filtering, set the pid */ - if (fc->pid_filtering) - flexcop_pid_control(fc,dvbdmxfeed->index,dvbdmxfeed->pid,onoff); + /* toggle complete-TS-streaming when: + * - pid_filtering is not enabled and it is the first or last feed requested + * - pid_filtering is enabled, + * - but the number of requested feeds is exceeded + * - or the requested pid is 0x2000 */ - /* if it was the first feed request */ - if (fc->feedcount == onoff && onoff) { - if (!fc->pid_filtering) { - deb_ts("enabling full TS transfer\n"); - flexcop_pid_group_filter(fc, 0,0); - flexcop_pid_group_filter_ctrl(fc,1); - } + if (!fc->pid_filtering && fc->feedcount == onoff) + flexcop_toggle_fullts_streaming(fc,onoff); - if (fc->stream_control) - fc->stream_control(fc,1); - flexcop_rcv_data_ctrl(fc,1); - - /* if there is no more feed left to feed */ - } else if (fc->feedcount == onoff && !onoff) { - if (!fc->pid_filtering) { - deb_ts("disabling full TS transfer\n"); - flexcop_pid_group_filter(fc, 0, 0x1fe0); - flexcop_pid_group_filter_ctrl(fc,0); - } - - flexcop_rcv_data_ctrl(fc,0); - if (fc->stream_control) - fc->stream_control(fc,0); + if (fc->pid_filtering) { + flexcop_pid_control(fc,dvbdmxfeed->index,dvbdmxfeed->pid,onoff); + + if (fc->extra_feedcount > 0) + flexcop_toggle_fullts_streaming(fc,1); + else if (dvbdmxfeed->pid == 0x2000) + flexcop_toggle_fullts_streaming(fc,onoff); + else + flexcop_toggle_fullts_streaming(fc,0); } - /* if pid_filtering is on and more pids than the hw-filter can provide are - * requested enable the whole bandwidth. - */ - if (fc->pid_filtering && fc->feedcount > max_pid_filter) { - flexcop_pid_group_filter(fc, 0,0); - flexcop_pid_group_filter_ctrl(fc,1); - } else if (fc->pid_filtering && fc->feedcount <= max_pid_filter) { - flexcop_pid_group_filter(fc, 0,0x1fe0); - flexcop_pid_group_filter_ctrl(fc,0); + /* if it was the first or last feed request change the stream-status */ + if (fc->feedcount == onoff) { + flexcop_rcv_data_ctrl(fc,onoff); + if (fc->stream_control) + fc->stream_control(fc,onoff); } return 0; diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c index c52286ea669f..78952096fb74 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; |