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authorDmitri Belimov <d.belimov@gmail.com>2009-05-28 01:58:57 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 19:07:27 -0300
commit6b6b75432caf87b8b7834ad8eb9acd75e383e20f (patch)
tree541ff9c0210b7fe90e23dd72cf05a3d4526f6e14 /drivers/media/video/saa7134/saa7134-core.c
parent028bbfedcc00225d4a1d700e75658d773523005d (diff)
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.c17
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 37b14526a09..94a023a14bb 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 */