kernel/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  *
  19  ******************************************************************************/
  20 /*  */
  21 /*  Description: */
  22 /*  */
  23 /*  This file is for 92CE/92CU dynamic mechanism only */
  24 /*  */
  25 /*  */
  26 /*  */
  27 #define _RTL8188E_DM_C_
  28
  29 #include <osdep_service.h>
  30 #include <drv_types.h>
  31
  32 #include <rtl8188e_hal.h>
  33
  34 /*  Initialize GPIO setting registers */
  35 static void dm_InitGPIOSetting(struct adapter *Adapter)
  36 {
  37         u8      tmp1byte;
  38
  39         tmp1byte = usb_read8(Adapter, REG_GPIO_MUXCFG);
  40         tmp1byte &= (GPIOSEL_GPIO | ~GPIOSEL_ENBT);
  41
  42         usb_write8(Adapter, REG_GPIO_MUXCFG, tmp1byte);
  43 }
  44
  45 /*  */
  46 /*  functions */
  47 /*  */
  48 static void Init_ODM_ComInfo_88E(struct adapter *Adapter)
  49 {
  50         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
  51         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
  52         struct odm_dm_struct *dm_odm = &(hal_data->odmpriv);
  53         u8 cut_ver, fab_ver;
  54
  55         /*  Init Value */
  56         memset(dm_odm, 0, sizeof(*dm_odm));
  57
  58         dm_odm->Adapter = Adapter;
  59
  60         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_PLATFORM, ODM_CE);
  61
  62         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_IC_TYPE, ODM_RTL8188E);
  63
  64         fab_ver = ODM_TSMC;
  65         cut_ver = ODM_CUT_A;
  66
  67         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_FAB_VER, fab_ver);
  68         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_CUT_VER, cut_ver);
  69
  70         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_MP_TEST_CHIP, IS_NORMAL_CHIP(hal_data->VersionID));
  71
  72         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_PATCH_ID, hal_data->CustomerID);
  73         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_BWIFI_TEST, Adapter->registrypriv.wifi_spec);
  74
  75
  76         if (hal_data->rf_type == RF_1T1R)
  77                 ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_RF_TYPE, ODM_1T1R);
  78         else if (hal_data->rf_type == RF_2T2R)
  79                 ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_RF_TYPE, ODM_2T2R);
  80         else if (hal_data->rf_type == RF_1T2R)
  81                 ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_RF_TYPE, ODM_1T2R);
  82
  83         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_RF_ANTENNA_TYPE, hal_data->TRxAntDivType);
  84
  85         pdmpriv->InitODMFlag =  ODM_RF_CALIBRATION |
  86                                 ODM_RF_TX_PWR_TRACK;
  87
  88         ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_ABILITY, pdmpriv->InitODMFlag);
  89 }
  90
  91 static void Update_ODM_ComInfo_88E(struct adapter *Adapter)
  92 {
  93         struct mlme_ext_priv    *pmlmeext = &Adapter->mlmeextpriv;
  94         struct mlme_priv        *pmlmepriv = &Adapter->mlmepriv;
  95         struct pwrctrl_priv *pwrctrlpriv = &Adapter->pwrctrlpriv;
  96         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
  97         struct odm_dm_struct *dm_odm = &(hal_data->odmpriv);
  98         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
  99         int i;
 100
 101         pdmpriv->InitODMFlag =  ODM_BB_DIG |
 102                                 ODM_BB_RA_MASK |
 103                                 ODM_BB_DYNAMIC_TXPWR |
 104                                 ODM_BB_FA_CNT |
 105                                 ODM_BB_RSSI_MONITOR |
 106                                 ODM_BB_CCK_PD |
 107                                 ODM_BB_PWR_SAVE |
 108                                 ODM_MAC_EDCA_TURBO |
 109                                 ODM_RF_CALIBRATION |
 110                                 ODM_RF_TX_PWR_TRACK;
 111         if (hal_data->AntDivCfg)
 112                 pdmpriv->InitODMFlag |= ODM_BB_ANT_DIV;
 113
 114         if (Adapter->registrypriv.mp_mode == 1) {
 115                 pdmpriv->InitODMFlag =  ODM_RF_CALIBRATION |
 116                                         ODM_RF_TX_PWR_TRACK;
 117         }
 118
 119         ODM_CmnInfoUpdate(dm_odm, ODM_CMNINFO_ABILITY, pdmpriv->InitODMFlag);
 120
 121         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_TX_UNI, &(Adapter->xmitpriv.tx_bytes));
 122         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_RX_UNI, &(Adapter->recvpriv.rx_bytes));
 123         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_WM_MODE, &(pmlmeext->cur_wireless_mode));
 124         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_SEC_CHNL_OFFSET, &(hal_data->nCur40MhzPrimeSC));
 125         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_SEC_MODE, &(Adapter->securitypriv.dot11PrivacyAlgrthm));
 126         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_BW, &(hal_data->CurrentChannelBW));
 127         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_CHNL, &(hal_data->CurrentChannel));
 128         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_NET_CLOSED, &(Adapter->net_closed));
 129         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_MP_MODE, &(Adapter->registrypriv.mp_mode));
 130         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_SCAN, &(pmlmepriv->bScanInProcess));
 131         ODM_CmnInfoHook(dm_odm, ODM_CMNINFO_POWER_SAVING, &(pwrctrlpriv->bpower_saving));
 132         ODM_CmnInfoInit(dm_odm, ODM_CMNINFO_RF_ANTENNA_TYPE, hal_data->TRxAntDivType);
 133
 134         for (i = 0; i < NUM_STA; i++)
 135                 ODM_CmnInfoPtrArrayHook(dm_odm, ODM_CMNINFO_STA_STATUS, i, NULL);
 136 }
 137
 138 void rtl8188e_InitHalDm(struct adapter *Adapter)
 139 {
 140         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
 141         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
 142         struct odm_dm_struct *dm_odm = &(hal_data->odmpriv);
 143
 144         dm_InitGPIOSetting(Adapter);
 145         pdmpriv->DM_Type = DM_Type_ByDriver;
 146         pdmpriv->DMFlag = DYNAMIC_FUNC_DISABLE;
 147         Update_ODM_ComInfo_88E(Adapter);
 148         ODM_DMInit(dm_odm);
 149         Adapter->fix_rate = 0xFF;
 150 }
 151
 152 void rtl8188e_HalDmWatchDog(struct adapter *Adapter)
 153 {
 154         bool fw_ps_awake = true;
 155         u8 hw_init_completed = false;
 156         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
 157         struct mlme_priv *pmlmepriv = NULL;
 158         u8 bLinked = false;
 159
 160         hw_init_completed = Adapter->hw_init_completed;
 161
 162         if (!hw_init_completed)
 163                 goto skip_dm;
 164
 165         rtw_hal_get_hwreg(Adapter, HW_VAR_FWLPS_RF_ON, (u8 *)(&fw_ps_awake));
 166
 167         /*  Fw is under p2p powersaving mode, driver should stop dynamic mechanism. */
 168         /*  modifed by thomas. 2011.06.11. */
 169         if (Adapter->wdinfo.p2p_ps_mode)
 170                 fw_ps_awake = false;
 171
 172         /* ODM */
 173         pmlmepriv = &Adapter->mlmepriv;
 174
 175         if ((check_fwstate(pmlmepriv, WIFI_AP_STATE)) ||
 176             (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE |
 177                            WIFI_ADHOC_MASTER_STATE))) {
 178                 if (Adapter->stapriv.asoc_sta_count > 2)
 179                         bLinked = true;
 180         } else {/* Station mode */
 181                 if (check_fwstate(pmlmepriv, _FW_LINKED))
 182                         bLinked = true;
 183         }
 184
 185         ODM_CmnInfoUpdate(&hal_data->odmpriv, ODM_CMNINFO_LINK, bLinked);
 186         ODM_DMWatchdog(&hal_data->odmpriv);
 187 skip_dm:
 188         /*  Check GPIO to determine current RF on/off and Pbc status. */
 189         /*  Check Hardware Radio ON/OFF or not */
 190         return;
 191 }
 192
 193 void rtl8188e_init_dm_priv(struct adapter *Adapter)
 194 {
 195         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
 196         struct dm_priv  *pdmpriv = &hal_data->dmpriv;
 197         struct odm_dm_struct *podmpriv = &hal_data->odmpriv;
 198
 199         memset(pdmpriv, 0, sizeof(struct dm_priv));
 200         Init_ODM_ComInfo_88E(Adapter);
 201         ODM_InitDebugSetting(podmpriv);
 202 }
 203
 204 /*  Add new function to reset the state of antenna diversity before link. */
 205 /*  Compare RSSI for deciding antenna */
 206 void AntDivCompare8188E(struct adapter *Adapter, struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src)
 207 {
 208         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
 209
 210         if (0 != hal_data->AntDivCfg) {
 211                 /* select optimum_antenna for before linked =>For antenna diversity */
 212                 if (dst->Rssi >=  src->Rssi) {/* keep org parameter */
 213                         src->Rssi = dst->Rssi;
 214                         src->PhyInfo.Optimum_antenna = dst->PhyInfo.Optimum_antenna;
 215                 }
 216         }
 217 }
 218
 219 /*  Add new function to reset the state of antenna diversity before link. */
 220 u8 AntDivBeforeLink8188E(struct adapter *Adapter)
 221 {
 222         struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
 223         struct odm_dm_struct *dm_odm = &hal_data->odmpriv;
 224         struct sw_ant_switch *dm_swat_tbl = &dm_odm->DM_SWAT_Table;
 225         struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
 226
 227         /*  Condition that does not need to use antenna diversity. */
 228         if (hal_data->AntDivCfg == 0)
 229                 return false;
 230
 231         if (check_fwstate(pmlmepriv, _FW_LINKED))
 232                 return false;
 233
 234         if (dm_swat_tbl->SWAS_NoLink_State == 0) {
 235                 /* switch channel */
 236                 dm_swat_tbl->SWAS_NoLink_State = 1;
 237                 dm_swat_tbl->CurAntenna = (dm_swat_tbl->CurAntenna == Antenna_A) ? Antenna_B : Antenna_A;
 238
 239                 rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
 240                 return true;
 241         } else {
 242                 dm_swat_tbl->SWAS_NoLink_State = 0;
 243                 return false;
 244         }
 245 }