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

   1#ifndef B43_LO_H_
   2#define B43_LO_H_
   3
   4/* G-PHY Local Oscillator */
   5
   6#include "phy_g.h"
   7
   8struct b43_wldev;
   9
  10/* Local Oscillator control value-pair. */
  11struct b43_loctl {
  12        /* Control values. */
  13        s8 i;
  14        s8 q;
  15};
  16/* Debugging: Poison value for i and q values. */
  17#define B43_LOCTL_POISON        111
  18
  19/* This struct holds calibrated LO settings for a set of
  20 * Baseband and RF attenuation settings. */
  21struct b43_lo_calib {
  22        /* The set of attenuation values this set of LO
  23         * control values is calibrated for. */
  24        struct b43_bbatt bbatt;
  25        struct b43_rfatt rfatt;
  26        /* The set of control values for the LO. */
  27        struct b43_loctl ctl;
  28        /* The time when these settings were calibrated (in jiffies) */
  29        unsigned long calib_time;
  30        /* List. */
  31        struct list_head list;
  32};
  33
  34/* Size of the DC Lookup Table in 16bit words. */
  35#define B43_DC_LT_SIZE          32
  36
  37/* Local Oscillator calibration information */
  38struct b43_txpower_lo_control {
  39        /* Lists of RF and BB attenuation values for this device.
  40         * Used for building hardware power control tables. */
  41        struct b43_rfatt_list rfatt_list;
  42        struct b43_bbatt_list bbatt_list;
  43
  44        /* The DC Lookup Table is cached in memory here.
  45         * Note that this is only used for Hardware Power Control. */
  46        u16 dc_lt[B43_DC_LT_SIZE];
  47
  48        /* List of calibrated control values (struct b43_lo_calib). */
  49        struct list_head calib_list;
  50        /* Last time the power vector was read (jiffies). */
  51        unsigned long pwr_vec_read_time;
  52        /* Last time the txctl values were measured (jiffies). */
  53        unsigned long txctl_measured_time;
  54
  55        /* Current TX Bias value */
  56        u8 tx_bias;
  57        /* Current TX Magnification Value (if used by the device) */
  58        u8 tx_magn;
  59
  60        /* Saved device PowerVector */
  61        u64 power_vector;
  62};
  63
  64/* Calibration expire timeouts.
  65 * Timeouts must be multiple of 15 seconds. To make sure
  66 * the item really expired when the 15 second timer hits, we
  67 * subtract two additional seconds from the timeout. */
  68#define B43_LO_CALIB_EXPIRE     (HZ * (30 - 2))
  69#define B43_LO_PWRVEC_EXPIRE    (HZ * (30 - 2))
  70#define B43_LO_TXCTL_EXPIRE     (HZ * (180 - 4))
  71
  72
  73/* Adjust the Local Oscillator to the saved attenuation
  74 * and txctl values.
  75 */
  76void b43_lo_g_adjust(struct b43_wldev *dev);
  77/* Adjust to specific values. */
  78void b43_lo_g_adjust_to(struct b43_wldev *dev,
  79                        u16 rfatt, u16 bbatt, u16 tx_control);
  80
  81void b43_gphy_dc_lt_init(struct b43_wldev *dev, bool update_all);
  82
  83void b43_lo_g_maintanance_work(struct b43_wldev *dev);
  84void b43_lo_g_cleanup(struct b43_wldev *dev);
  85void b43_lo_g_init(struct b43_wldev *dev);
  86
  87#endif /* B43_LO_H_ */
  88