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| author | Dmitri Belimov <d.belimov@gmail.com> | 2009-05-28 08:58:57 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-17 02:07:27 +0400 |
| commit | 6b6b75432caf87b8b7834ad8eb9acd75e383e20f (patch) | |
| tree | 541ff9c0210b7fe90e23dd72cf05a3d4526f6e14 /drivers/media/video/saa7134/saa7134-core.c | |
| parent | 028bbfedcc00225d4a1d700e75658d773523005d (diff) | |
| download | linux-6b6b75432caf87b8b7834ad8eb9acd75e383e20f.tar.xz | |
V4L/DVB (11938): big rework of TS for saa7134
1. Add start/stop TS function.
2. Move setup DMA of TS to DMA function.
3. Write support cupture via MMAP
4. Rework startup and finish process, remove simple FSM.
Tested-by: Hermann Pitton <hermann-pitton@arcor.de>
Tested-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Alexey Osipov <lion-simba@pridelands.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-core.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 37b14526a093..94a023a14bbc 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -331,6 +331,10 @@ void saa7134_buffer_next(struct saa7134_dev *dev, dprintk("buffer_next %p\n",NULL); saa7134_set_dmabits(dev); del_timer(&q->timeout); + + if (card_has_mpeg(dev)) + if (dev->ts_started) + saa7134_ts_stop(dev); } } @@ -416,6 +420,19 @@ int saa7134_set_dmabits(struct saa7134_dev *dev) ctrl |= SAA7134_MAIN_CTRL_TE5; irq |= SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0; + + /* dma: setup channel 5 (= TS) */ + + 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); + saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE); + saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_16 | + SAA7134_RS_CONTROL_ME | + (dev->ts.pt_ts.dma >> 12)); } /* set task conditions + field handling */ |