| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef B43_LO_H_ |
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| 3 | #define B43_LO_H_ |
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| 4 | |
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| 5 | /* G-PHY Local Oscillator */ |
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| 6 | |
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| 7 | #include "phy_g.h" |
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| 8 | |
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| 9 | struct b43_wldev; |
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| 10 | |
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| 11 | /* Local Oscillator control value-pair. */ |
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| 12 | struct b43_loctl { |
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| 13 | /* Control values. */ |
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| 14 | s8 i; |
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| 15 | s8 q; |
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| 16 | }; |
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| 17 | /* Debugging: Poison value for i and q values. */ |
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| 18 | #define B43_LOCTL_POISON 111 |
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| 19 | |
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| 20 | /* This struct holds calibrated LO settings for a set of |
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| 21 | * Baseband and RF attenuation settings. */ |
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| 22 | struct b43_lo_calib { |
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| 23 | /* The set of attenuation values this set of LO |
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| 24 | * control values is calibrated for. */ |
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| 25 | struct b43_bbatt bbatt; |
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| 26 | struct b43_rfatt rfatt; |
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| 27 | /* The set of control values for the LO. */ |
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| 28 | struct b43_loctl ctl; |
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| 29 | /* The time when these settings were calibrated (in jiffies) */ |
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| 30 | unsigned long calib_time; |
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| 31 | /* List. */ |
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| 32 | struct list_head list; |
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| 33 | }; |
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| 34 | |
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| 35 | /* Size of the DC Lookup Table in 16bit words. */ |
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| 36 | #define B43_DC_LT_SIZE 32 |
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| 37 | |
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| 38 | /* Local Oscillator calibration information */ |
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| 39 | struct b43_txpower_lo_control { |
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| 40 | /* Lists of RF and BB attenuation values for this device. |
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| 41 | * Used for building hardware power control tables. */ |
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| 42 | struct b43_rfatt_list rfatt_list; |
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| 43 | struct b43_bbatt_list bbatt_list; |
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| 44 | |
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| 45 | /* The DC Lookup Table is cached in memory here. |
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| 46 | * Note that this is only used for Hardware Power Control. */ |
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| 47 | u16 dc_lt[B43_DC_LT_SIZE]; |
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| 48 | |
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| 49 | /* List of calibrated control values (struct b43_lo_calib). */ |
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| 50 | struct list_head calib_list; |
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| 51 | /* Last time the power vector was read (jiffies). */ |
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| 52 | unsigned long pwr_vec_read_time; |
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| 53 | /* Last time the txctl values were measured (jiffies). */ |
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| 54 | unsigned long txctl_measured_time; |
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| 55 | |
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| 56 | /* Current TX Bias value */ |
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| 57 | u8 tx_bias; |
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| 58 | /* Current TX Magnification Value (if used by the device) */ |
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| 59 | u8 tx_magn; |
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| 60 | |
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| 61 | /* Saved device PowerVector */ |
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| 62 | u64 power_vector; |
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| 63 | }; |
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| 64 | |
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| 65 | /* Calibration expire timeouts. |
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| 66 | * Timeouts must be multiple of 15 seconds. To make sure |
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| 67 | * the item really expired when the 15 second timer hits, we |
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| 68 | * subtract two additional seconds from the timeout. */ |
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| 69 | #define B43_LO_CALIB_EXPIRE (HZ * (30 - 2)) |
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| 70 | #define B43_LO_PWRVEC_EXPIRE (HZ * (30 - 2)) |
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| 71 | #define B43_LO_TXCTL_EXPIRE (HZ * (180 - 4)) |
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| 72 | |
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| 73 | |
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| 74 | /* Adjust the Local Oscillator to the saved attenuation |
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| 75 | * and txctl values. |
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| 76 | */ |
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| 77 | void b43_lo_g_adjust(struct b43_wldev *dev); |
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| 78 | /* Adjust to specific values. */ |
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| 79 | void b43_lo_g_adjust_to(struct b43_wldev *dev, |
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| 80 | u16 rfatt, u16 bbatt, u16 tx_control); |
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| 81 | |
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| 82 | void b43_gphy_dc_lt_init(struct b43_wldev *dev, bool update_all); |
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| 83 | |
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| 84 | void b43_lo_g_maintenance_work(struct b43_wldev *dev); |
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| 85 | void b43_lo_g_cleanup(struct b43_wldev *dev); |
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| 86 | void b43_lo_g_init(struct b43_wldev *dev); |
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| 87 | |
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| 88 | #endif /* B43_LO_H_ */ |
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| 89 | |
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