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    ath9k_hw: Fix TX carrier leakage for IEEE compliance on AR9003 2.2 · 0dfa6dbb
    Luis R. Rodriguez authored
    
    
    This updates the initvals for the AR9003 2.2 chipsets. The initvals
    are the initial register values we use for our registers upon hardware
    reset. This synchs up the initvals to match what our latest recommendation
    from our systems engineering team.
    
    The description of changes in this update:
    
            Improves ability to support very strong Rx conditions.
            Enhances DFS support for AP-mode.
            Improves performance of Tx carrier leak calibration.
            Adds support for Japan channel 14 Tx filtering requirements.
            Improves Tx power accuracy.
    
    Impact:
    
            Update required to address degraded throughput at very short range.
            Update required for AP-mode DFS certification.
            Update required to comply to IEEE Tx carrier leak specification.
            May not meet expected +/- 2 dB Tx power accuracy without update.
    
    The most important fix here would be the TX carrier leakage required
    to comply with IEEE 802.11 specifications. The group of changes have
    been tested all together in one release.
    
    References:
    
    	Osprey 2.2 header file ver #33
    
    Checksums:
    
    $ ./initvals -f ar9003-2p2
    0x000000004a488fc7        ar9300_2p2_radio_postamble
    0x0000000046cb1300        ar9300Modes_lowest_ob_db_tx_gain_table_2p2
    0x00000000e912711f        ar9300Modes_fast_clock_2p2
    0x0000000037ac0ee8        ar9300_2p2_radio_core
    0x00000000047a7700        ar9300Common_rx_gain_table_merlin_2p2
    0x0000000003f783bb        ar9300_2p2_mac_postamble
    0x00000000301fc841        ar9300_2p2_soc_postamble
    0x000000005ec8075f        ar9200_merlin_2p2_radio_core
    0x0000000083372ffa        ar9300_2p2_baseband_postamble
    0x00000000c4f59974        ar9300_2p2_baseband_core
    0x00000000e20d2e72        ar9300Modes_high_power_tx_gain_table_2p2
    0x000000007fd55c70        ar9300Modes_high_ob_db_tx_gain_table_2p2
    0x0000000029495000        ar9300Common_rx_gain_table_2p2
    0x0000000042cb1300        ar9300Modes_low_ob_db_tx_gain_table_2p2
    0x00000000c4739cd6        ar9300_2p2_mac_core
    0x000000003521a300        ar9300Common_wo_xlna_rx_gain_table_2p2
    0x00000000a15ccf1b        ar9300_2p2_soc_preamble
    0x0000000029734396        ar9300PciePhy_pll_on_clkreq_disable_L1_2p2
    0x000000002d834396        ar9300PciePhy_clkreq_enable_L1_2p2
    0x0000000029834396        ar9300PciePhy_clkreq_disable_L1_2p2
    
    $ ./initvals -f ar9003-2p2 | sha1sum
    0ceddb5cf66737610fb51f04cf3e9ff71870c7b4  -
    
    Cc: stable@kernel.org
    Cc: Yixiang Li <yixiang.li@atheros.com>
    Cc: Don Breslin <don.breslin@atheros.com>
    Signed-off-by: default avatarLuis R. Rodriguez <lrodriguez@atheros.com>
    Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
    0dfa6dbb