Hi
Some customers has problem with quality of DVB-T
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/446575
After this patch http://patchwork.kernel.org/patch/23345/
This is patch for fix regression with DVB-T. Tested with many people.
diff -u ./saa7134.orig/saa7134-core.c ./saa7134/saa7134-core.c
--- ./saa7134.orig/saa7134-core.c 2009-09-10 05:13:59.000000000 +0700
+++ ./saa7134/saa7134-core.c 2010-01-07 13:01:11.000000000 +0600
@@ -420,19 +420,6 @@
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 */
diff -u ./saa7134.orig/saa7134-ts.c ./saa7134/saa7134-ts.c
--- ./saa7134.orig/saa7134-ts.c 2009-09-10 05:13:59.000000000 +0700
+++ ./saa7134/saa7134-ts.c 2010-01-07 13:03:29.000000000 +0600
@@ -249,7 +249,20 @@
dprintk("TS start\n");
BUG_ON(dev->ts_started);
+
+ /* 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));
+ /* reset hardware TS buffers */
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
saa_writeb(SAA7134_TS_SERIAL1, 0x03);
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
Signed-off-by: Alexey Osipov <lion-simba@xxxxxxxxxxxxx>
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@xxxxxxxxx>
With my best regards, Dmitry.diff -u ./saa7134.orig/saa7134-core.c ./saa7134/saa7134-core.c
--- ./saa7134.orig/saa7134-core.c 2009-09-10 05:13:59.000000000 +0700
+++ ./saa7134/saa7134-core.c 2010-01-07 13:01:11.000000000 +0600
@@ -420,19 +420,6 @@
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 */
diff -u ./saa7134.orig/saa7134-ts.c ./saa7134/saa7134-ts.c
--- ./saa7134.orig/saa7134-ts.c 2009-09-10 05:13:59.000000000 +0700
+++ ./saa7134/saa7134-ts.c 2010-01-07 13:03:29.000000000 +0600
@@ -249,7 +249,20 @@
dprintk("TS start\n");
BUG_ON(dev->ts_started);
+
+ /* 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));
+ /* reset hardware TS buffers */
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
saa_writeb(SAA7134_TS_SERIAL1, 0x03);
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
Signed-off-by: Alexey Osipov <lion-simba@xxxxxxxxxxxxx>
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@xxxxxxxxx>
