package/b43/src/lo.h

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