rtlwifi/rtl8192ee/rf.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright(c) 2009-2014  Realtek Corporation.*/
0003
0004 #include "../wifi.h"
0005 #include "reg.h"
0006 #include "def.h"
0007 #include "phy.h"
0008 #include "rf.h"
0009 #include "dm.h"
0010
0011 static bool _rtl92ee_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
0012
0013 void rtl92ee_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
0014 {
0015     struct rtl_priv *rtlpriv = rtl_priv(hw);
0016     struct rtl_phy *rtlphy = &rtlpriv->phy;
0017
0018     switch (bandwidth) {
0019     case HT_CHANNEL_WIDTH_20:
0020         rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
0021                          0xfffff3ff) | BIT(10) | BIT(11));
0022         rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
0023                   rtlphy->rfreg_chnlval[0]);
0024         rtl_set_rfreg(hw, RF90_PATH_B, RF_CHNLBW, RFREG_OFFSET_MASK,
0025                   rtlphy->rfreg_chnlval[0]);
0026         break;
0027     case HT_CHANNEL_WIDTH_20_40:
0028         rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
0029                          0xfffff3ff) | BIT(10));
0030         rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
0031                   rtlphy->rfreg_chnlval[0]);
0032         rtl_set_rfreg(hw, RF90_PATH_B, RF_CHNLBW, RFREG_OFFSET_MASK,
0033                   rtlphy->rfreg_chnlval[0]);
0034         break;
0035     default:
0036         pr_err("unknown bandwidth: %#X\n", bandwidth);
0037         break;
0038     }
0039 }
0040
0041 bool rtl92ee_phy_rf6052_config(struct ieee80211_hw *hw)
0042 {
0043     struct rtl_priv *rtlpriv = rtl_priv(hw);
0044     struct rtl_phy *rtlphy = &rtlpriv->phy;
0045
0046     if (rtlphy->rf_type == RF_1T1R)
0047         rtlphy->num_total_rfpath = 1;
0048     else
0049         rtlphy->num_total_rfpath = 2;
0050
0051     return _rtl92ee_phy_rf6052_config_parafile(hw);
0052 }
0053
0054 static bool _rtl92ee_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
0055 {
0056     struct rtl_priv *rtlpriv = rtl_priv(hw);
0057     struct rtl_phy *rtlphy = &rtlpriv->phy;
0058     u32 u4_regvalue = 0;
0059     u8 rfpath;
0060     bool rtstatus = true;
0061     struct bb_reg_def *pphyreg;
0062
0063     for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
0064         pphyreg = &rtlphy->phyreg_def[rfpath];
0065
0066         switch (rfpath) {
0067         case RF90_PATH_A:
0068         case RF90_PATH_C:
0069             u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
0070                             BRFSI_RFENV);
0071             break;
0072         case RF90_PATH_B:
0073         case RF90_PATH_D:
0074             u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
0075                             BRFSI_RFENV << 16);
0076             break;
0077         }
0078
0079         rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
0080         udelay(1);
0081
0082         rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
0083         udelay(1);
0084
0085         rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
0086                   B3WIREADDREAALENGTH, 0x0);
0087         udelay(1);
0088
0089         rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
0090         udelay(1);
0091
0092         switch (rfpath) {
0093         case RF90_PATH_A:
0094             rtstatus = rtl92ee_phy_config_rf_with_headerfile(hw,
0095                                (enum radio_path)rfpath);
0096             break;
0097         case RF90_PATH_B:
0098             rtstatus = rtl92ee_phy_config_rf_with_headerfile(hw,
0099                                (enum radio_path)rfpath);
0100             break;
0101         case RF90_PATH_C:
0102             break;
0103         case RF90_PATH_D:
0104             break;
0105         }
0106
0107         switch (rfpath) {
0108         case RF90_PATH_A:
0109         case RF90_PATH_C:
0110             rtl_set_bbreg(hw, pphyreg->rfintfs,
0111                       BRFSI_RFENV, u4_regvalue);
0112             break;
0113         case RF90_PATH_B:
0114         case RF90_PATH_D:
0115             rtl_set_bbreg(hw, pphyreg->rfintfs,
0116                       BRFSI_RFENV << 16, u4_regvalue);
0117             break;
0118         }
0119
0120         if (!rtstatus) {
0121             rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
0122                 "Radio[%d] Fail!!\n", rfpath);
0123             return false;
0124         }
0125     }
0126
0127     rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
0128     return rtstatus;
0129 }