2015-04-15 21:26:35 +02:00
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Hardware:
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=========
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* CPU STx7108, 32-bit kernel
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6 x PTI interface (used first four - 0-3)
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(appears something like programmable transfer interface or so)
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* Demodulators 2x STV0900 (dual)
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2015-04-16 09:26:45 +02:00
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* 2x STV6120 tuners (dual)
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2015-04-15 21:26:35 +02:00
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* 2x LNBH24 - Dual LNB supply and control IC with step-up and I2C interface
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I2C address map:
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================
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0x10 - LNBH24 #1 / section A : cfg write
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0x11 - LNBH24 #1 / section A : diagnostic read
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0x12 - LNBH24 #1 / section B : cfg write
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0x13 - LNBH24 #1 / section B : diagnostic read
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0x14 - LNBH24 #2 / section A : cfg write
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0x15 - LNBH24 #2 / section A : diagnostic read
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0x16 - LNBH24 #2 / section B : cfg write
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0x17 - LNBH24 #2 / section B : diagnostic read
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2015-04-16 09:26:45 +02:00
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0xc0 - STV6120 #1 / write
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0xc1 - STV6120 #1 / read
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0xc6 - STV6120 #2 / write
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0xc7 - STV6120 #2 / read
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2015-04-15 21:26:35 +02:00
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0xd0 - STV0900 #1 - write
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0xd1 - STV0900 #1 - read
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0xd2 - STV0900 #2 - write
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0xd3 - STV0900 #3 - read
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2015-04-16 15:23:59 +02:00
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I2C access
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==========
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All chips are on the first I2C bus accessible through /dev/i2c-0. You may
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look to tools/axehelper.c - i2c_scan routine. Note that linux i2c address is
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without the read/write bit (so (0xd0 >> 1) = 0x68).
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