[linux-dvb] Re: skystar2 dvb-t

[Niklas Peinecke <peinecke@gdv.uni-hannover.de>]

Hi MeDon,

I took a look at the BBTI driver. I looks like the i2c address of the 
L647818 is 0x54 on the flexcop (not 0x55 like in the frontend module). 
Hope this helps.

Niklas

MeDon wrote:
> Hi,
> we have Technisat SkyStar2 FlexCopIIB(rev.195) in DVB-T version. It 
> doesn't work. I guess it is because frontend. The mt312 writes (in debug 
> mode):
>
> Dec  3 01:17:26 cooler kernel: master_xfer: read error !
> Dec  3 01:17:26 cooler kernel: message 2: flags=0x0, addr=0x3a, 
> buf=0x85, len=48
> 736
> There's written on the one piece of card: GRUNDIG 29504-401.01 00000147 
> 01 27031 and on one chip LSI L647818. We have disabled the piece of code 
> in skystar2.c:
>
>                /* allow only the mt312 and stv0299 frontends to access 
> the bus 
> */                                                                      
>                if ((msgs[i].addr != 0x0E) && (msgs[i].addr != 0x68) && 
> (msgs[i].addr != 0x61) 
> )                                                                       
> {                                                                                                                                       
>                    
> up(&tmp->i2c_sem);                                                                                                                  
>                                                                                                                                                        
>                    return 
> -EREMOTEIO;                                                                                                                  
>                
> }                                                                                                                                       
> and tried grundig_29504-401 frontend module, but it failed. Syslog 
> messages (both modules with debug enabled) are here:
>
> Dec  4 15:49:21 cooler kernel: drivers/media/dvb/b2c2/skystar2.c: 
> FlexCopIIB(rev.195) chip found
> Dec  4 15:49:21 cooler kernel: sram_detect_for_flex2:
> Dec  4 15:49:21 cooler kernel: sram_detect_for_flex2: tmp2 = 0
> Dec  4 15:49:21 cooler kernel: sram_detect_for_flex2: tmp3 = 1
> Dec  4 15:49:21 cooler kernel: sram_test_location: mask = 20000, addr = 
> 18000
> Dec  4 15:49:21 cooler kernel: sram_init: dw_sram_type = 20000
> Dec  4 15:49:21 cooler kernel: sram_test_location: wrote 0xA5, read 0x4f
> Dec  4 15:49:21 cooler kernel: sram_test_location: mask = 0, addr = 10000
> Dec  4 15:49:21 cooler kernel: sram_init: dw_sram_type = 0
> Dec  4 15:49:21 cooler kernel: sram_test_location: wrote 0xA5, read 0x4f
> Dec  4 15:49:21 cooler kernel: sram_test_location: mask = 10000, addr = 0
> Dec  4 15:49:21 cooler kernel: sram_init: dw_sram_type = 10000
> Dec  4 15:49:21 cooler kernel: sram_test_location: wrote 0xA5, read 0xa5
> Dec  4 15:49:21 cooler kernel: sram_test_location: wrote 0x5A, read 0x5a
> Dec  4 15:49:21 cooler kernel: sram_init: dw_sram_type = 10000
> Dec  4 15:49:21 cooler kernel: sram_detect_for_flex2: sram size = 32K
> Dec  4 15:49:21 cooler kernel: driver_initialize sram length = 32768, 
> sram type= 10000
> Dec  4 15:49:21 cooler kernel: flex_i2c_read:
> Dec  4 15:49:21 cooler last message repeated 3 times
> Dec  4 15:49:21 cooler kernel: DVB: registering new adapter (Technisat 
> SkyStar2 driver).
> Dec  4 15:49:54 cooler kernel: master_xfer: 1 messages to transfer
> Dec  4 15:49:54 cooler kernel: message 0: flags=0x0, addr=0x0, buf=0x6, 
> len=1 Dec  4 15:49:54 cooler kernel: no response on 
> reset_and_configure() broadcast, bailing out...
>
>
> Thank you for your help to make this stuff working.



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