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