From cb71201f20e43581857043a1f856fb61ce44bdf8 Mon Sep 17 00:00:00 2001 From: Maxim Levitsky Date: Thu, 27 Sep 2007 20:34:25 -0300 Subject: V4L/DVB (6271): V4L: Add basic support for suspend/resume for saa7134 This adds support for suspend/resume for core of saa7134 Should fix bug#7220 Signed-off-by: Maxim Levitsky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-ts.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'drivers/media/video/saa7134/saa7134-ts.c') diff --git a/drivers/media/video/saa7134/saa7134-ts.c b/drivers/media/video/saa7134/saa7134-ts.c index 5b1d1dafb5a..4b63ad3e846 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; } -- cgit v1.2.3