From 3ae45ce9d9bfb75dec4a17b5ca17f5086e0185e0 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 28 May 2009 04:58:57 +0000 Subject: big rework of TS for saa7134 From: Dmitri Belimov 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. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov Signed-off-by: Alexey Osipov Tested-by: Hermann Pitton Tested-by: Beholder Intl. Ltd. Dmitry Belimov Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/video/saa7134/saa7134-core.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'linux/drivers/media/video/saa7134/saa7134-core.c') diff --git a/linux/drivers/media/video/saa7134/saa7134-core.c b/linux/drivers/media/video/saa7134/saa7134-core.c index dc692d7a7..da73430ad 100644 --- a/linux/drivers/media/video/saa7134/saa7134-core.c +++ b/linux/drivers/media/video/saa7134/saa7134-core.c @@ -380,6 +380,10 @@ 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); } } @@ -465,6 +469,19 @@ 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 */ -- cgit v1.2.3