Re: [linux-dvb] [EXPERIMENTAL] cx88+xc3028 - tests are required - was: Re: Wh en xc3028/xc2028 will be supported?

[Michael Krufky <mkrufky@linuxtv.org>]

Mauro Carvalho Chehab wrote:
> On Thu, 21 Feb 2008 20:38:09 -0500
> Michael Krufky <mkrufky@linuxtv.org> wrote:
>
>   
>> Mauro Carvalho Chehab wrote:
>>     
>>>>> It is not that simple. Steven patch works for DTV on PCI Nano; Christopher
>>>>> patches for some other DiVCO boards (DTV also); my port of Markus patch
>>>>>       
>>>>>           
>>>> for
>>>>     
>>>>         
>>>>> other boards (tested by Dâniel Fraga - Analog TV).
>>>>>   
>>>>>       
>>>>>           
>>>> What does one board have to do with another?  Just because these boards 
>>>> all use xceive tuners does not mean that they should be grouped together.
>>>>     
>>>>         
>>> No, but we have patches for all of them.
>>>
>>>   
>>>       
>>>> Because the user has the ability to load cx8800 without cx88-dvb, and 
>>>> likewise, the user has the ability to load cx88-dvb without cx8800, the 
>>>> attach call must be fully qualified such that the other side of the 
>>>> driver is not required to be loaded in order for the tuner to work.
>>>>     
>>>>         
>>> If you take a look at the code, you'll see that all code is at cx88xx. This
>>> module is loaded by cx8800, if you're using analog, or by cx8802, if you're
>>> using cx88-dvb or cx88-blackbird.
>>>
>>> The code initializes xc3028 before tuner attach.
>>>
>>>   
>>>       
>>>> In the case of FusionHDTV5 pci nano, there will never be an attach call 
>>>> from the analog side of the driver, since the tuner is hidden behind the 
>>>> s5h1409's i2c gate, and analog mode is not supported with the current 
>>>> driver.  If you set i2c_scan=1 on the PCI nano, the xceive tuner will 
>>>> not even show up in the scan.
>>>>     
>>>>         
>>> The proper fix is to open the i2c gate before loading tuner. This will allow
>>> i2c_scan to work and both analog and digital modes will work. Btw, this
>>> somewhat similar to what dvico_fusionhdtv_hybrid_init() does on cx88-cards.
>>>
>>> I've added a patch that should open the bridge for s5h1409. Please test. 
>>>       
>> Mauro,
>>
>> It does not work.  See my prior email in this thread for the explanation.
>>
>> [ 2912.355967] Linux video capture interface: v2.00
>> [ 2912.373470] cx88/0: cx2388x v4l2 driver version 0.0.6 loaded
>> [ 2912.373536] ACPI: PCI Interrupt 0000:02:07.0[A] -> GSI 19 (level,
>> low) -> IRQ 17
>> [ 2912.373601] cx88[0]: subsystem: 18ac:d530, board: DVICO HDTV5 PCI
>> Nano [card=59,autodetected]
>> [ 2912.373607] cx88[0]: TV tuner type 71, Radio tuner type -1
>> [ 2912.555088] cx88[0]: Asking xc2028/3028 to load firmware xc3028-v27.fw
>>     
> 		          ^^^^
> The above message were generated by cx88-cards. So, as I said before, this were
> called _before_ running dvb_register, defined at cx88-dvb.
>
> The issue is simple: the i2c gate code were wrong. So, xc3028 is not visible on
> that point of the code. With this, analog support will never work. The proper
> fix is to enable xc3028 before enabling i2c, meaning to correct the code at
> cx88_pci_nano_init().
>
> After re-visiting s5h1409 code, I noticed that I've used the wrong sequence for
> the gate. The state should be i2c closed, for xc3028 to work. The following
> patch should fix:
>
> http://linuxtv.org/hg/~mchehab/cx88-xc2028/rev/871db4e0451c
>
> Please test it, with i2c_scan=1, and post the results.
>   

Doesn't work.

[  795.056020] Linux video capture interface: v2.00
[  798.235564] cx88/0: cx2388x v4l2 driver version 0.0.6 loaded
[  798.235643] ACPI: PCI Interrupt 0000:02:07.0[A] -> GSI 19 (level,
low) -> IRQ 18
[  798.235718] cx88[0]: subsystem: 18ac:d530, board: DVICO HDTV5 PCI
Nano [card=59,autodetected]
[  798.235722] cx88[0]: TV tuner type 71, Radio tuner type -1
[  798.371224] cx88[0]: i2c scan: found device @ 0x32  [???]
[  798.371391] cx88[0]: i2c scan: found device @ 0x34  [???]
[  798.399887] cx88[0]: i2c scan: found device @ 0xa0  [eeprom]
[  798.400319] cx88[0]: i2c scan: found device @ 0xa2  [???]
[  798.400482] cx88[0]: i2c scan: found device @ 0xa4  [???]
[  798.400642] cx88[0]: i2c scan: found device @ 0xa6  [???]
[  798.400800] cx88[0]: i2c scan: found device @ 0xa8  [???]
[  798.400957] cx88[0]: i2c scan: found device @ 0xaa  [???]
[  798.401116] cx88[0]: i2c scan: found device @ 0xac  [???]
[  798.401272] cx88[0]: i2c scan: found device @ 0xae  [???]
[  798.411996] cx88[0]: i2c scan: found device @ 0xd6  [???]
[  798.488821] Closing s5h1409 i2c gate to allow xc3028 detection
[  798.489283] cx88[0]: Asking xc2028/3028 to load firmware xc3028-v27.fw
[  798.489301] cx88[0]/0: found at 0000:02:07.0, rev: 5, irq: 18,
latency: 64, mmio: 0xe4000000
[  798.489376] cx88[0]/0: registered device video0 [v4l2]
[  798.489408] cx88[0]/0: registered device vbi0
[  818.236239] cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.6 loaded
[  818.236443] cx88[0]/2: cx2388x 8802 Driver Manager
[  818.236465] ACPI: PCI Interrupt 0000:02:07.2[A] -> GSI 19 (level,
low) -> IRQ 18
[  818.236480] cx88[0]/2: found at 0000:02:07.2, rev: 5, irq: 18,
latency: 64, mmio: 0xe6000000
[  818.254906] cx88/2: cx2388x dvb driver version 0.0.6 loaded
[  818.254913] cx88/2: registering cx8802 driver, type: dvb access: shared
[  818.254918] cx88[0]/2: subsystem: 18ac:d530, board: DVICO HDTV5 PCI
Nano [card=59]
[  818.254922] cx88[0]/2: cx2388x based DVB/ATSC card
[  818.309763] xc2028 1-0061: type set to XCeive xc2028/xc3028 tuner
[  818.309768] cx88[0]/2: xc3028 attached
[  818.310968] DVB: registering new adapter (cx88[0])
[  818.311080] DVB: registering frontend 0 (Samsung S5H1409 QAM/8VSB
Frontend)...
[  826.542292] xc2028 1-0061: xc2028/3028 firmware name not set!
[  827.643657] xc2028 1-0061: xc2028/3028 firmware name not set!
[  828.745093] xc2028 1-0061: xc2028/3028 firmware name not set!
[  829.846543] xc2028 1-0061: xc2028/3028 firmware name not set!
[  830.844337] xc2028 1-0061: Error on line 1068: -121

-Mike


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