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
 9struct b43_wldev;
10
11/* Local Oscillator control value-pair. */
12struct 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. */
22struct 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 */
39struct 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 */
77void b43_lo_g_adjust(struct b43_wldev *dev);
78/* Adjust to specific values. */
79void b43_lo_g_adjust_to(struct b43_wldev *dev,
80			u16 rfatt, u16 bbatt, u16 tx_control);
81
82void b43_gphy_dc_lt_init(struct b43_wldev *dev, bool update_all);
83
84void b43_lo_g_maintenance_work(struct b43_wldev *dev);
85void b43_lo_g_cleanup(struct b43_wldev *dev);
86void b43_lo_g_init(struct b43_wldev *dev);
87
88#endif /* B43_LO_H_ */