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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef B43_LO_H_ |
3 | #define B43_LO_H_ | |
4 | ||
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5 | /* G-PHY Local Oscillator */ |
6 | ||
7 | #include "phy_g.h" | |
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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; | |
e4d6b795 | 16 | }; |
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17 | /* Debugging: Poison value for i and q values. */ |
18 | #define B43_LOCTL_POISON 111 | |
19 | ||
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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 */ | |
e4d6b795 | 39 | struct b43_txpower_lo_control { |
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40 | /* Lists of RF and BB attenuation values for this device. |
41 | * Used for building hardware power control tables. */ | |
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42 | struct b43_rfatt_list rfatt_list; |
43 | struct b43_bbatt_list bbatt_list; | |
44 | ||
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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 | ||
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56 | /* Current TX Bias value */ |
57 | u8 tx_bias; | |
58 | /* Current TX Magnification Value (if used by the device) */ | |
59 | u8 tx_magn; | |
60 | ||
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61 | /* Saved device PowerVector */ |
62 | u64 power_vector; | |
63 | }; | |
64 | ||
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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 | ||
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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 | ||
f5eda47f | 82 | void b43_gphy_dc_lt_init(struct b43_wldev *dev, bool update_all); |
e4d6b795 | 83 | |
277bf09e | 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); |
86 | void b43_lo_g_init(struct b43_wldev *dev); | |
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87 | |
88 | #endif /* B43_LO_H_ */ |