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24 Commits

Author SHA1 Message Date
Sylvain Munaut 0297cd029b fw/tuner_e4k: Experimental new init sequence 
More complete ... Tries to bring up the e4k to a usable
state all at once.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 21:59:18 +02:00
Sylvain Munaut b2b5d6518b fw/tuner_e4k: Add some more magic init 
It comes from the kernel driver. No idea what it does really ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 21:37:29 +02:00
Sylvain Munaut 1ba8c169ee fw/tuner_e4k: Add function to enable/disable the IF channel filter 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 21:35:32 +02:00
Sylvain Munaut 16202796ae fw/tuner_e4k: Disable auto gain adjustement during DC table gen 
We need them to be fixed during that time, so disable all auto
stuff

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 21:34:25 +02:00
Sylvain Munaut 161ad3c469 fw/tuner_e4k: Avoid dual read of DC4 when generating DC table 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 21:33:25 +02:00
Sylvain Munaut 24c3a9a196 fw/tuner_e4k: DC offset table gen doc fixes 
No we don't need to wait. I checked if the value ever changed after
the first read and it doesn't. Other e4k drivers don't wait either.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 21:32:24 +02:00
Sylvain Munaut 5442a0dbe1 fw/tuner_e4k: Use signed int for if1_gain in the gain combination array 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 16:19:07 +02:00
Sylvain Munaut d2f56043ef fw/tuner_e4k: Mixer gain is 4 or 12 dB, not 0/12 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-01 16:18:27 +02:00
Sylvain Munaut eeaa36a1fb fw/tuner_e4k: Fix the array_size of the filter fw settings. 
This was causing the array length to be '1' and so we always
took the first possible setting (the widest) ...

Certainly not good when you only have a 500 kHz sample rate.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-03-31 23:28:31 +02:00
Sylvain Munaut 975c9813e9 tuner_e4k: Properly set the band 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-03-29 23:37:00 +02:00
Sylvain Munaut bdb4f8e5ca tuner_e4k: Fix band setting method mask & calls 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-03-29 23:36:09 +02:00
Sylvain Munaut 60d88b6ed2 tuner_e4k: Fix closest_arr_idx 
The previous method tried to do clever stuff assuming the sequence is
sorted. Unfortunately:

1) this didn't really find the 'closest' match
2) this didn't work for the first or last interval
3) this didn't work for freq slightly above or below the last/first freq

All in all, it's easier to try them all.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-03-29 23:35:36 +02:00
Sylvain Munaut 311885441c tuner_e4k: Fix reference to 65535 vs 65536 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-03-29 08:47:51 +02:00
Sylvain Munaut 585c6d378a tuner_e4k: Max VCO frequency is 3.9GHz not 3.6GHz 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-03-29 08:46:48 +02:00
Christian Daniel 4683c1c21a tuner_e4k: add manual i/q correction 2012-03-06 15:29:33 +01:00
Christian Daniel 463a3f9c28 tuner_e4k: add setting for common mode 2012-03-06 14:43:03 +01:00
Harald Welte 31d11c2bf8 tuner_e4k: fix the Y value to b e 65536, not 65535 2012-03-05 23:31:33 +01:00
Harald Welte bab0eb62ce tuner_e4k: Introduce #define for OUT_OF_SPEC operation 
The device can be used from 50..1900 MHz and not only 64..1700
 2012-03-05 23:29:48 +01:00
Harald Welte 9ce29d79e8 e4k: fix unresolved symbols in dc offset calibration 2012-03-05 18:37:18 +01:00
Harald Welte c4c7c6add5 e4k: add dc offset calibration code 2012-03-05 18:25:11 +01:00
Harald Welte cc42e4df36 e4k: initialize tuner with smalles filters possible 2012-02-29 02:45:06 +01:00
Harald Welte 2a2c03a7b9 fpga related register/field dumping code (abstract) 2012-02-29 01:49:20 +01:00
Harald Welte d5c4d1edc7 Add GPLv3 license header to all our code 2012-01-24 10:25:31 +01:00
Harald Welte d5be5374c5 initial checkin of first driver for OsmoSDR tuner 2011-12-25 01:29:10 +01:00