drivers/net/wireless/b43/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         /* "Used by hardware" flag. */
  14         bool used;
  15 #ifdef CONFIG_B43_DEBUG
  16         /* Is this lo-control-array entry calibrated? */
  17         bool calibrated;
  18 #endif
  19 };
  20
  21 /* Debugging: Poison value for i and q values. */
  22 #define B43_LOCTL_POISON        111
  23
  24 /* loctl->calibrated debugging mechanism */
  25 #ifdef CONFIG_B43_DEBUG
  26 static inline void b43_loctl_set_calibrated(struct b43_loctl *loctl,
  27                                             bool calibrated)
  28 {
  29         loctl->calibrated = calibrated;
  30 }
  31 static inline bool b43_loctl_is_calibrated(struct b43_loctl *loctl)
  32 {
  33         return loctl->calibrated;
  34 }
  35 #else
  36 static inline void b43_loctl_set_calibrated(struct b43_loctl *loctl,
  37                                             bool calibrated)
  38 {
  39 }
  40 static inline bool b43_loctl_is_calibrated(struct b43_loctl *loctl)
  41 {
  42         return 1;
  43 }
  44 #endif
  45
  46 /* TX Power LO Control Array.
  47  * Value-pairs to adjust the LocalOscillator are stored
  48  * in this structure.
  49  * There are two different set of values. One for "Flag is Set"
  50  * and one for "Flag is Unset".
  51  * By "Flag" the flag in struct b43_rfatt is meant.
  52  * The Value arrays are two-dimensional. The first index
  53  * is the baseband attenuation and the second index
  54  * is the radio attenuation.
  55  * Use b43_get_lo_g_ctl() to retrieve a value from the lists.
  56  */
  57 struct b43_txpower_lo_control {
  58 #define B43_NR_BB       12
  59 #define B43_NR_RF       16
  60         /* LO Control values, with PAD Mixer */
  61         struct b43_loctl with_padmix[B43_NR_BB][B43_NR_RF];
  62         /* LO Control values, without PAD Mixer */
  63         struct b43_loctl no_padmix[B43_NR_BB][B43_NR_RF];
  64
  65         /* Flag to indicate a complete rebuild of the two tables above
  66          * to the LO measuring code. */
  67         bool rebuild;
  68
  69         /* Lists of valid RF and BB attenuation values for this device. */
  70         struct b43_rfatt_list rfatt_list;
  71         struct b43_bbatt_list bbatt_list;
  72
  73         /* Current TX Bias value */
  74         u8 tx_bias;
  75         /* Current TX Magnification Value (if used by the device) */
  76         u8 tx_magn;
  77
  78         /* GPHY LO is measured. */
  79         bool lo_measured;
  80
  81         /* Saved device PowerVector */
  82         u64 power_vector;
  83 };
  84
  85 /* Measure the BPHY Local Oscillator. */
  86 void b43_lo_b_measure(struct b43_wldev *dev);
  87 /* Measure the BPHY/GPHY Local Oscillator. */
  88 void b43_lo_g_measure(struct b43_wldev *dev);
  89
  90 /* Adjust the Local Oscillator to the saved attenuation
  91  * and txctl values.
  92  */
  93 void b43_lo_g_adjust(struct b43_wldev *dev);
  94 /* Adjust to specific values. */
  95 void b43_lo_g_adjust_to(struct b43_wldev *dev,
  96                         u16 rfatt, u16 bbatt, u16 tx_control);
  97
  98 /* Mark all possible b43_lo_g_ctl as "unused" */
  99 void b43_lo_g_ctl_mark_all_unused(struct b43_wldev *dev);
 100 /* Mark the b43_lo_g_ctl corresponding to the current
 101  * attenuation values as used.
 102  */
 103 void b43_lo_g_ctl_mark_cur_used(struct b43_wldev *dev);
 104
 105 /* Get a reference to a LO Control value pair in the
 106  * TX Power LO Control Array.
 107  */
 108 struct b43_loctl *b43_get_lo_g_ctl(struct b43_wldev *dev,
 109                                    const struct b43_rfatt *rfatt,
 110                                    const struct b43_bbatt *bbatt);
 111
 112 #endif /* B43_LO_H_ */