50  * - Automatic Gain Control (AGC) calibration
52  * - Noise Floor calibration
54  * - I/Q imbalance calibration (QAM correction)
56  * - Calibration due to thermal changes (gain_F)
461 	/* Skip if gain calibration is inactive or  in ath5k_hw_request_rfgain_probe()
669  * ath5k_hw_gainf_calibrate() - Do a gain_F calibration
672  * Main callback for thermal RF gain calibration engine
747  * with Gain_F calibration
1487   PHY calibration
1491  * DOC: PHY Calibration routines
1493  * Noise floor calibration: When we tell the hardware to
1494  * perform a noise floor calibration by setting the
1501  * This type of calibration doesn't interfere with traffic.
1503  * AGC calibration: When we tell the hardware to perform
1504  * an AGC (Automatic Gain Control) calibration by setting the
1506  * a calibration on the DC offsets of ADCs. During this period
1510  * I/Q calibration: When we tell the hardware to perform
1511  * an I/Q calibration, it tries to correct I/Q imbalance and
1515  * For more infos on AGC and I/Q calibration check out patent doc
1533  * ath5k_hw_init_nfcal_hist() - Initialize NF calibration history buffer
1547  * ath5k_hw_update_nfcal_hist() - Update NF calibration history buffer
1586  * This is the main function we call to perform a NF calibration,
1598 	/* keep last value if calibration hasn't completed */  in ath5k_hw_update_noise_floor()
1601 			"NF did not complete in calibration window\n");  in ath5k_hw_update_noise_floor()
1610 	/* completed NF calibration, test threshold */  in ath5k_hw_update_noise_floor()
1641 	 * floor calibration.  in ath5k_hw_update_noise_floor()
1659  * ath5k_hw_rf5110_calibrate() - Perform a PHY calibration on RF5110
1663  * Do a complete PHY calibration (AGC + NF + I/Q) on RF5110
1736 	 * Enable calibration and wait until completion  in ath5k_hw_rf5110_calibrate()
1749 		ATH5K_ERR(ah, "calibration timeout (%uMHz)\n",  in ath5k_hw_rf5110_calibrate()
1765  * ath5k_hw_rf511x_iq_calibrate() - Perform I/Q calibration on RF5111 and newer
1775 	/* Skip if I/Q calibration is not needed or if it's still running */  in ath5k_hw_rf511x_iq_calibrate()
1780 				"I/Q calibration still running");  in ath5k_hw_rf511x_iq_calibrate()
1784 	/* Calibration has finished, get the results and re-run */  in ath5k_hw_rf511x_iq_calibrate()
1805 	/* In case i_coffd became zero, cancel calibration  in ath5k_hw_rf511x_iq_calibrate()
1831 	/* Re-enable calibration -if we don't we'll commit  in ath5k_hw_rf511x_iq_calibrate()
1841  * ath5k_hw_phy_calibrate() - Perform a PHY calibration
1846  * a short or full PHY calibration based on RF chip
1869 	/* On full calibration request a PAPD probe for  in ath5k_hw_phy_calibrate()
1870 	 * gainf calibration if needed */  in ath5k_hw_phy_calibrate()
2564  * ath5k_get_chan_pcal_surrounding_piers() - Get surrounding calibration piers
2571  * Get the surrounding per-channel power calibration piers
2626 	 * calibration piers so that we can  in ath5k_get_chan_pcal_surrounding_piers()
2630 		/* Frequency matches one of our calibration  in ath5k_get_chan_pcal_surrounding_piers()
2632 		 * that calibration pier */  in ath5k_get_chan_pcal_surrounding_piers()
2638 		/* We found a calibration pier that's above  in ath5k_get_chan_pcal_surrounding_piers()
2655  * calibration data
2660  * Get the surrounding per-rate power calibration data
2696 	/* Get the surrounding calibration  in ath5k_get_rate_pcal_data()
2854  * -if we don't have calibration data for this specific channel- from the
2855  * available surrounding channels we have calibration data for, after we do a
2870  * do is fill the values below and above calibration range since eeprom data
3262  * This table is used for tx power calibration on the baseband,
3363 			/* We are in a calibration  in ath5k_setup_channel_powertable()
3671 	 * calibration */  in ath5k_hw_txpower()
3768 	 * while PHY is running, enable calibration and skip the rest.  in ath5k_hw_phy_init()
3821 	 * fire up NF calibration.  in ath5k_hw_phy_init()
3823 	 * Note: Only NF calibration due to  in ath5k_hw_phy_init()
3824 	 * channel change, not AGC calibration  in ath5k_hw_phy_init()
3835 		 * Start NF calibration  in ath5k_hw_phy_init()
3914 	 * Start automatic gain control calibration  in ath5k_hw_phy_init()
3916 	 * During AGC calibration RX path is re-routed to  in ath5k_hw_phy_init()
3920 	 * used together with on-the fly I/Q calibration (the  in ath5k_hw_phy_init()
3925 	 * start a noise floor calibration to measure the  in ath5k_hw_phy_init()
3929 	 * If we are in a noisy environment, AGC calibration may time  in ath5k_hw_phy_init()
3930 	 * out and/or noise floor calibration might timeout.  in ath5k_hw_phy_init()
3935 	/* At the same time start I/Q calibration for QAM constellation  in ath5k_hw_phy_init()
3946 	/* Wait for gain calibration to finish (we check for I/Q calibration  in ath5k_hw_phy_init()
3950 		ATH5K_ERR(ah, "gain calibration timeout (%uMHz)\n",  in ath5k_hw_phy_init()