LXR linux/drivers/net/wireless/broadcom/b43/lo.h

   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_ */
  89