drivers/net/wireless/rockchip_wlan/rtl8723cs/hal/phydm/txbf/phydm_hal_txbf_api.c

   1 #include "mp_precomp.h"
   2 #include "phydm_precomp.h"
   3
   4 #if (defined(CONFIG_BB_TXBF_API))
   5 #if (RTL8822B_SUPPORT == 1)
   6 /*Add by YuChen for 8822B MU-MIMO API*/
   7
   8 /*this function is only used for BFer*/
   9 u8
  10 phydm_get_ndpa_rate(
  11         void            *p_dm_void
  12 )
  13 {
  14         struct PHY_DM_STRUCT    *p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
  15         u8              ndpa_rate = ODM_RATE6M;
  16
  17         if (p_dm_odm->rssi_min >= 30)   /*link RSSI > 30%*/
  18                 ndpa_rate = ODM_RATE24M;
  19         else if (p_dm_odm->rssi_min <= 25)
  20                 ndpa_rate = ODM_RATE6M;
  21
  22         ODM_RT_TRACE(p_dm_odm, PHYDM_COMP_TXBF, ODM_DBG_TRACE, ("[%s] ndpa_rate = 0x%x\n", __func__, ndpa_rate));
  23
  24         return ndpa_rate;
  25
  26 }
  27
  28 /*this function is only used for BFer*/
  29 u8
  30 phydm_get_beamforming_sounding_info(
  31         void            *p_dm_void,
  32         u16     *troughput,
  33         u8      total_bfee_num,
  34         u8      *tx_rate
  35 )
  36 {
  37         u8      idx = 0;
  38         u8      soundingdecision = 0xff;
  39         struct PHY_DM_STRUCT    *p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
  40
  41         for (idx = 0; idx < total_bfee_num; idx++) {
  42                 if (((tx_rate[idx] >= ODM_RATEVHTSS3MCS7) && (tx_rate[idx] <= ODM_RATEVHTSS3MCS9)))
  43                         soundingdecision = soundingdecision & ~(1 << idx);
  44         }
  45
  46         for (idx = 0; idx < total_bfee_num; idx++) {
  47                 if (troughput[idx] <= 10)
  48                         soundingdecision = soundingdecision & ~(1 << idx);
  49         }
  50
  51         ODM_RT_TRACE(p_dm_odm, PHYDM_COMP_TXBF, ODM_DBG_TRACE, ("[%s] soundingdecision = 0x%x\n", __func__, soundingdecision));
  52
  53         return soundingdecision;
  54
  55 }
  56
  57 /*this function is only used for BFer*/
  58 u8
  59 phydm_get_mu_bfee_snding_decision(
  60         void            *p_dm_void,
  61         u16     throughput
  62 )
  63 {
  64         u8      snding_score = 0;
  65         struct PHY_DM_STRUCT    *p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
  66
  67         /*throughput unit is Mbps*/
  68         if (throughput >= 500)
  69                 snding_score = 100;
  70         else if (throughput >= 450)
  71                 snding_score = 90;
  72         else if (throughput >= 400)
  73                 snding_score = 80;
  74         else if (throughput >= 350)
  75                 snding_score = 70;
  76         else if (throughput >= 300)
  77                 snding_score = 60;
  78         else if (throughput >= 250)
  79                 snding_score = 50;
  80         else if (throughput >= 200)
  81                 snding_score = 40;
  82         else if (throughput >= 150)
  83                 snding_score = 30;
  84         else if (throughput >= 100)
  85                 snding_score = 20;
  86         else if (throughput >= 50)
  87                 snding_score = 10;
  88         else
  89                 snding_score = 0;
  90
  91         ODM_RT_TRACE(p_dm_odm, PHYDM_COMP_TXBF, ODM_DBG_TRACE, ("[%s] snding_score = 0x%x\n", __func__, snding_score));
  92
  93         return snding_score;
  94
  95 }
  96
  97
  98 #endif
  99 #if (DM_ODM_SUPPORT_TYPE != ODM_AP)
 100 u8
 101 beamforming_get_htndp_tx_rate(
 102         void    *p_dm_void,
 103         u8      comp_steering_num_of_bfer
 104 )
 105 {
 106         struct PHY_DM_STRUCT    *p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
 107         u8 nr_index = 0;
 108         u8 ndp_tx_rate;
 109         /*Find nr*/
 110 #if (RTL8814A_SUPPORT == 1)
 111         if (p_dm_odm->support_ic_type & ODM_RTL8814A)
 112                 nr_index = tx_bf_nr(hal_txbf_8814a_get_ntx(p_dm_odm), comp_steering_num_of_bfer);
 113         else
 114 #endif
 115                 nr_index = tx_bf_nr(1, comp_steering_num_of_bfer);
 116
 117         switch (nr_index) {
 118         case 1:
 119                 ndp_tx_rate = ODM_MGN_MCS8;
 120                 break;
 121
 122         case 2:
 123                 ndp_tx_rate = ODM_MGN_MCS16;
 124                 break;
 125
 126         case 3:
 127                 ndp_tx_rate = ODM_MGN_MCS24;
 128                 break;
 129
 130         default:
 131                 ndp_tx_rate = ODM_MGN_MCS8;
 132                 break;
 133         }
 134
 135         return ndp_tx_rate;
 136
 137 }
 138
 139 u8
 140 beamforming_get_vht_ndp_tx_rate(
 141         void    *p_dm_void,
 142         u8      comp_steering_num_of_bfer
 143 )
 144 {
 145         struct PHY_DM_STRUCT    *p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
 146         u8 nr_index = 0;
 147         u8 ndp_tx_rate;
 148         /*Find nr*/
 149 #if (RTL8814A_SUPPORT == 1)
 150         if (p_dm_odm->support_ic_type & ODM_RTL8814A)
 151                 nr_index = tx_bf_nr(hal_txbf_8814a_get_ntx(p_dm_odm), comp_steering_num_of_bfer);
 152         else
 153 #endif
 154                 nr_index = tx_bf_nr(1, comp_steering_num_of_bfer);
 155
 156         switch (nr_index) {
 157         case 1:
 158                 ndp_tx_rate = ODM_MGN_VHT2SS_MCS0;
 159                 break;
 160
 161         case 2:
 162                 ndp_tx_rate = ODM_MGN_VHT3SS_MCS0;
 163                 break;
 164
 165         case 3:
 166                 ndp_tx_rate = ODM_MGN_VHT4SS_MCS0;
 167                 break;
 168
 169         default:
 170                 ndp_tx_rate = ODM_MGN_VHT2SS_MCS0;
 171                 break;
 172         }
 173
 174         return ndp_tx_rate;
 175
 176 }
 177 #endif
 178
 179 #endif