V4L/DVB (4270): Add tda9887-specific tuner configuration

Many tda9887 settings depend on the chosen tuner. Expand the tuner parameters
to include these tda9887 settings.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil
2006-06-25 15:34:39 -03:00
committed by Mauro Carvalho Chehab
parent 0a1153736f
commit ba8fc39954
5 changed files with 160 additions and 13 deletions

View File

@@ -20,6 +20,7 @@ struct tuner_range {
struct tuner_params {
enum param_type type;
/* Many Philips based tuners have a comment like this in their
* datasheet:
*
@@ -39,6 +40,60 @@ struct tuner_params {
* static unless the control byte was sent first.
*/
unsigned int cb_first_if_lower_freq:1;
/* Set to 1 if this tuner uses a tda9887 */
unsigned int has_tda9887:1;
/* Many Philips tuners use tda9887 PORT1 to select the FM radio
sensitivity. If this setting is 1, then set PORT1 to 1 to
get proper FM reception. */
unsigned int port1_fm_high_sensitivity:1;
/* Some Philips tuners use tda9887 PORT2 to select the FM radio
sensitivity. If this setting is 1, then set PORT2 to 1 to
get proper FM reception. */
unsigned int port2_fm_high_sensitivity:1;
/* Most tuners with a tda9887 use QSS mode. Some (cheaper) tuners
use Intercarrier mode. If this setting is 1, then the tuner
needs to be set to intercarrier mode. */
unsigned int intercarrier_mode:1;
/* This setting sets the default value for PORT1.
0 means inactive, 1 means active. Note: the actual bit
value written to the tda9887 is inverted. So a 0 here
means a 1 in the B6 bit. */
unsigned int port1_active:1;
/* This setting sets the default value for PORT2.
0 means inactive, 1 means active. Note: the actual bit
value written to the tda9887 is inverted. So a 0 here
means a 1 in the B7 bit. */
unsigned int port2_active:1;
/* Sometimes PORT1 is inverted when the SECAM-L' standard is selected.
Set this bit to 1 if this is needed. */
unsigned int port1_invert_for_secam_lc:1;
/* Sometimes PORT2 is inverted when the SECAM-L' standard is selected.
Set this bit to 1 if this is needed. */
unsigned int port2_invert_for_secam_lc:1;
/* Some cards require PORT1 to be 1 for mono Radio FM and 0 for stereo. */
unsigned int port1_set_for_fm_mono:1;
/* Default tda9887 TOP value in dB for the low band. Default is 0.
Range: -16:+15 */
signed int default_top_low:5;
/* Default tda9887 TOP value in dB for the mid band. Default is 0.
Range: -16:+15 */
signed int default_top_mid:5;
/* Default tda9887 TOP value in dB for the high band. Default is 0.
Range: -16:+15 */
signed int default_top_high:5;
/* Default tda9887 TOP value in dB for SECAM-L/L' for the low band.
Default is 0. Several tuners require a different TOP value for
the SECAM-L/L' standards. Range: -16:+15 */
signed int default_top_secam_low:5;
/* Default tda9887 TOP value in dB for SECAM-L/L' for the mid band.
Default is 0. Several tuners require a different TOP value for
the SECAM-L/L' standards. Range: -16:+15 */
signed int default_top_secam_mid:5;
/* Default tda9887 TOP value in dB for SECAM-L/L' for the high band.
Default is 0. Several tuners require a different TOP value for
the SECAM-L/L' standards. Range: -16:+15 */
signed int default_top_secam_high:5;
unsigned int count;
struct tuner_range *ranges;