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