Commit Graph

19 Commits

Author SHA1 Message Date
Stefan Brüns
3a2824c72a [media] si2157: Add support for Si2141-A10
The Si2141 needs two distinct commands for powerup/reset, otherwise it
will not respond to chip revision requests. It also needs a firmware
to run properly.

Cc: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14 22:27:47 -03:00
Antti Palosaari
297e14d5c6 [media] si2157: revert si2157: Si2141/2151 tuner support
'Reset' loop does not look correct. I tested it very many times and
it never repeated those commands. If problem, it tries to solve,
really occurs on some situations better solution should be find out.

There is another patch which does not have such hackish looking loop.
Lets change to it.

Cc: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14 22:27:10 -03:00
Evgeny Plehov
690d55def8 [media] si2157: Si2141/2151 tuner support
Support for new tuner version.

Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-03-03 08:41:24 -03:00
Antti Palosaari
78bab93026 [media] si2157: detect if firmware is running
Detect if firmware is running run-time and download / start it only
when needed. Detection is done by reading IF frequency value.
Garbage value is returned by firmware when it is not running,
otherwise correct value is returned.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-06 10:07:45 -03:00
Mauro Carvalho Chehab
8b0a81c733 [media] si2157: register as a tuner entity
As this tuner doesn't use the usual subdev interface, we need
to register it manually.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-02-16 08:50:36 -02:00
Antti Palosaari
2f1ea29fca [media] si2157: implement signal strength stats
Implement DVBv5 signal strength stats. Returns dBm.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Tested-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-06-05 06:33:45 -03:00
Olli Salonen
ee3c3e4688 [media] si2157: support selection of IF interface
The chips supported by the si2157 driver have two IF outputs (either
pins 12+13 or pins 9+11). Instead of hardcoding the output to be used
add an option to choose which output shall be used.

As this patch changes the default behaviour, the IF interface is
specified in each driver currently using si2157 driver. This is to
keep bisectability.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-05-12 13:20:55 -03:00
Olli Salonen
c28aebe178 [media] si2157: IF frequency for ATSC and QAM
For supporting ATSC and QAM modes the driver should use a smaller IF frequency than 5 MHz.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-03-03 10:35:08 -03:00
Antti Palosaari
8fe51725d8 [media] si2157: carry pointer to client instead of state in tuner_priv
Carry struct i2c_client pointer in tuner_priv. This driver is I2C driver,
which is represented as a struct i2c_client, so better to carry this top
level structure for each routine in order to unify things.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-29 18:48:14 -02:00
Antti Palosaari
70f13ff091 [media] si2157: rename device state variable from 's' to 'dev'
'dev' is likely most common name in kernel for structure containing
device state instance, so rename it in order to keep things
consistent.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-29 18:47:21 -02:00
CrazyCat
17ad09f110 [media] si2157: Si2148 support
Si2148-A20 silicon tuner support.

[Antti: Resolved conflict]

Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-25 09:14:14 -02:00
Olli Salonen
073f38494a [media] si2157: Add support for Si2146-A10
The Silicon Labs Si2146 tuner seems to work with the same driver as the Si2157,
but there a few exceptions. The powerup command seems to be quite a bit
different. In addition there's a property 0207 that requires a different value.
Thus another entry is created in the si2157_id table to support also si2146 in
this driver.

The datasheet is available on manufacturer's website:
http://www.silabs.com/support%20documents/technicaldocs/Si2146-short.pdf

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-25 09:11:54 -02:00
Olli Salonen
d87a50586d [media] si2157: Add support for Si2147-A30 tuner
This patch adds support for Si2147-A30 tuner. Fairly trivial, no firmware needed for this tuner. However, command 14 00 02 07 01 00 seems to be mandatory. On Si2157 and Si2158 the value 0x0100 is the default value, so this patch does not impact the existing tuners/devices. On Si2147 the default is 0x0000 and I can't get a lock with that value.

While here, fix the return length of the previous set command to 4 bytes.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-23 16:13:39 -03:00
Olli Salonen
4cbf6ed910 [media] si2157: avoid firmware loading if it has been loaded previously
Add a variable into state to keep track if firmware has been loaded or not.
Skip firmware loading in case it is already loaded (resume from sleep).

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-21 16:42:38 -03:00
Matthias Schwarzott
05024efe12 [media] si2157: Add support for spectral inversion
This is needed for PCTV 522e support.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-07-21 21:29:06 -03:00
Olli Salonen
1b92373f4b [media] si2157: Add support for Si2158 chip
Add support for Si2158 A20 chip.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-07-14 21:07:06 -03:00
Antti Palosaari
e6b4380f3e [media] si2157: add read data support for fw cmd func
We want also read data from firmware. Add support for it. Copied from
si2168 driver.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-07-14 21:07:02 -03:00
Antti Palosaari
ba92ae0f83 [media] si2157: add copyright and license
Add copyright and license for each file.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-04-23 09:53:22 -03:00
Antti Palosaari
930a873081 [media] si2157: Silicon Labs Si2157 silicon tuner driver
Silicon Labs Si2157 silicon tuner driver.
Currently it supports only DVB-T.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-04-23 09:47:33 -03:00