diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-ts.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-ts.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/media/video/saa7134/saa7134-ts.c b/drivers/media/video/saa7134/saa7134-ts.c index 5b1d1dafb5a5..4b63ad3e8466 100644 --- a/drivers/media/video/saa7134/saa7134-ts.c +++ b/drivers/media/video/saa7134/saa7134-ts.c @@ -177,6 +177,22 @@ static unsigned int ts_nr_packets = 64; module_param(ts_nr_packets, int, 0444); MODULE_PARM_DESC(ts_nr_packets,"size of a ts buffers (in ts packets)"); +int saa7134_ts_init_hw(struct saa7134_dev *dev) +{ + /* deactivate TS softreset */ + saa_writeb(SAA7134_TS_SERIAL1, 0x00); + /* TSSOP high active, TSVAL high active, TSLOCK ignored */ + saa_writeb(SAA7134_TS_PARALLEL, 0xec); + saa_writeb(SAA7134_TS_PARALLEL_SERIAL, (TS_PACKET_SIZE-1)); + saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff)); + saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff)); + /* TSNOPIT=0, TSCOLAP=0 */ + saa_writeb(SAA7134_TS_DMA2, + ((((dev->ts.nr_packets-1)>>16)&0x3f) | 0x00)); + + return 0; +} + int saa7134_ts_init1(struct saa7134_dev *dev) { /* sanitycheck insmod options */ @@ -200,12 +216,7 @@ int saa7134_ts_init1(struct saa7134_dev *dev) saa7134_pgtable_alloc(dev->pci,&dev->ts.pt_ts); /* init TS hw */ - saa_writeb(SAA7134_TS_SERIAL1, 0x00); /* deactivate TS softreset */ - saa_writeb(SAA7134_TS_PARALLEL, 0xec); /* TSSOP high active, TSVAL high active, TSLOCK ignored */ - saa_writeb(SAA7134_TS_PARALLEL_SERIAL, (TS_PACKET_SIZE-1)); - saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff)); - saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff)); - saa_writeb(SAA7134_TS_DMA2, ((((dev->ts.nr_packets-1)>>16)&0x3f) | 0x00)); /* TSNOPIT=0, TSCOLAP=0 */ + saa7134_ts_init_hw(dev); return 0; } |