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V4L/DVB (13313): saa7134: add support for FORCE_TS_VALID mode for mpeg ts input

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When FORCE_TS_VALID mode is enabled, the saa713x will accept MPEG TS input
without requiring TS_VALID set high.  This is required for some new boards
to function properly, due to the hardware design implementation.

The configuration is toggled within the board setup configuration.  Boards
that do not have this bit set will function as before with no change.

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2009-11-04 14:19:35 -03:00 committed by Mauro Carvalho Chehab
parent 2e8961330e
commit 4007a672ab
2 changed files with 5 additions and 2 deletions
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6
drivers/media/video/saa7134/saa7134-ts.c
View File

@ -262,11 +262,13 @@ int saa7134_ts_start(struct saa7134_dev *dev)
switch (saa7134_boards[dev->board].ts_type) {
case SAA7134_MPEG_TS_PARALLEL:
saa_writeb(SAA7134_TS_SERIAL0, 0x40);
saa_writeb(SAA7134_TS_PARALLEL, 0xec);
saa_writeb(SAA7134_TS_PARALLEL, 0xec |
(saa7134_boards[dev->board].ts_force_val << 4));
break;
case SAA7134_MPEG_TS_SERIAL:
saa_writeb(SAA7134_TS_SERIAL0, 0xd8);
saa_writeb(SAA7134_TS_PARALLEL, 0x6c);
saa_writeb(SAA7134_TS_PARALLEL, 0x6c |
(saa7134_boards[dev->board].ts_force_val << 4));
saa_writeb(SAA7134_TS_PARALLEL_SERIAL, 0xbc);
saa_writeb(SAA7134_TS_SERIAL1, 0x02);
break;

1
drivers/media/video/saa7134/saa7134.h
View File

@ -360,6 +360,7 @@ struct saa7134_board {
enum saa7134_mpeg_type mpeg;
enum saa7134_mpeg_ts_type ts_type;
unsigned int vid_port_opts;
unsigned int ts_force_val:1;
};
#define card_has_radio(dev) (NULL != saa7134_boards[dev->board].radio.name)