Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / rtlwifi / rtl8723be / rf.c
diff --git a/kernel/drivers/net/wireless/rtlwifi/rtl8723be/rf.c b/kernel/drivers/net/wireless/rtlwifi/rtl8723be/rf.c
new file mode 100644 (file)
index 0000000..5ed4492
--- /dev/null
@@ -0,0 +1,512 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2014  Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#include "../wifi.h"
+#include "reg.h"
+#include "def.h"
+#include "phy.h"
+#include "rf.h"
+#include "dm.h"
+
+static bool _rtl8723be_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
+
+void rtl8723be_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+
+       switch (bandwidth) {
+       case HT_CHANNEL_WIDTH_20:
+               rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
+                                            0xfffff3ff) | BIT(10) | BIT(11));
+               rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
+                             rtlphy->rfreg_chnlval[0]);
+               break;
+       case HT_CHANNEL_WIDTH_20_40:
+               rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
+                                            0xfffff3ff) | BIT(10));
+               rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
+                             rtlphy->rfreg_chnlval[0]);
+               break;
+       default:
+               RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                        "unknown bandwidth: %#X\n", bandwidth);
+               break;
+       }
+}
+
+void rtl8723be_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
+                                         u8 *ppowerlevel)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u32 tx_agc[2] = {0, 0}, tmpval;
+       bool turbo_scanoff = false;
+       u8 idx1, idx2;
+       u8 *ptr;
+       u8 direction;
+       u32 pwrtrac_value;
+
+       if (rtlefuse->eeprom_regulatory != 0)
+               turbo_scanoff = true;
+
+       if (mac->act_scanning) {
+               tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
+               tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
+
+               if (turbo_scanoff) {
+                       for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
+                               tx_agc[idx1] = ppowerlevel[idx1] |
+                                              (ppowerlevel[idx1] << 8) |
+                                              (ppowerlevel[idx1] << 16) |
+                                              (ppowerlevel[idx1] << 24);
+                       }
+               }
+       } else {
+               for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
+                       tx_agc[idx1] = ppowerlevel[idx1] |
+                                      (ppowerlevel[idx1] << 8) |
+                                      (ppowerlevel[idx1] << 16) |
+                                      (ppowerlevel[idx1] << 24);
+               }
+
+               if (rtlefuse->eeprom_regulatory == 0) {
+                       tmpval =
+                           (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
+                           (rtlphy->mcs_txpwrlevel_origoffset[0][7] << 8);
+                       tx_agc[RF90_PATH_A] += tmpval;
+
+                       tmpval = (rtlphy->mcs_txpwrlevel_origoffset[0][14]) +
+                                (rtlphy->mcs_txpwrlevel_origoffset[0][15] <<
+                                 24);
+                       tx_agc[RF90_PATH_B] += tmpval;
+               }
+       }
+
+       for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
+               ptr = (u8 *)(&(tx_agc[idx1]));
+               for (idx2 = 0; idx2 < 4; idx2++) {
+                       if (*ptr > RF6052_MAX_TX_PWR)
+                               *ptr = RF6052_MAX_TX_PWR;
+                       ptr++;
+               }
+       }
+       rtl8723be_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
+       if (direction == 1) {
+               tx_agc[0] += pwrtrac_value;
+               tx_agc[1] += pwrtrac_value;
+       } else if (direction == 2) {
+               tx_agc[0] -= pwrtrac_value;
+               tx_agc[1] -= pwrtrac_value;
+       }
+       tmpval = tx_agc[RF90_PATH_A] & 0xff;
+       rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
+
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_A_CCK1_MCS32);
+
+       tmpval = tx_agc[RF90_PATH_A] >> 8;
+
+       /*tmpval = tmpval & 0xff00ffff;*/
+
+       rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
+
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_B_CCK11_A_CCK2_11);
+
+       tmpval = tx_agc[RF90_PATH_B] >> 24;
+       rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
+
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_B_CCK11_A_CCK2_11);
+
+       tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
+       rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
+
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_B_CCK1_55_MCS32);
+}
+
+static void rtl8723be_phy_get_power_base(struct ieee80211_hw *hw,
+                                        u8 *ppowerlevel_ofdm,
+                                        u8 *ppowerlevel_bw20,
+                                        u8 *ppowerlevel_bw40,
+                                        u8 channel, u32 *ofdmbase,
+                                        u32 *mcsbase)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       u32 powerbase0, powerbase1;
+       u8 i, powerlevel[2];
+
+       for (i = 0; i < 2; i++) {
+               powerbase0 = ppowerlevel_ofdm[i];
+
+               powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
+                   (powerbase0 << 8) | powerbase0;
+               *(ofdmbase + i) = powerbase0;
+               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                       " [OFDM power base index rf(%c) = 0x%x]\n",
+                        ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
+       }
+
+       for (i = 0; i < 2; i++) {
+               if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
+                       powerlevel[i] = ppowerlevel_bw20[i];
+               else
+                       powerlevel[i] = ppowerlevel_bw40[i];
+
+               powerbase1 = powerlevel[i];
+               powerbase1 = (powerbase1 << 24) | (powerbase1 << 16) |
+                            (powerbase1 << 8) | powerbase1;
+
+               *(mcsbase + i) = powerbase1;
+
+               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                       " [MCS power base index rf(%c) = 0x%x]\n",
+                        ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
+       }
+}
+
+static void _rtl8723be_get_txpower_writeval_by_regulatory(
+                                                       struct ieee80211_hw *hw,
+                                                       u8 channel, u8 index,
+                                                       u32 *powerbase0,
+                                                       u32 *powerbase1,
+                                                       u32 *p_outwriteval)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u8 i, chnlgroup = 0, pwr_diff_limit[4], pwr_diff = 0, customer_pwr_diff;
+       u32 writeval, customer_limit, rf;
+
+       for (rf = 0; rf < 2; rf++) {
+               switch (rtlefuse->eeprom_regulatory) {
+               case 0:
+                       chnlgroup = 0;
+
+                       writeval =
+                           rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
+                                                               (rf ? 8 : 0)]
+                           + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
+
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               "RTK better performance, writeval(%c) = 0x%x\n",
+                               ((rf == 0) ? 'A' : 'B'), writeval);
+                       break;
+               case 1:
+                       if (rtlphy->pwrgroup_cnt == 1) {
+                               chnlgroup = 0;
+                       } else {
+                               if (channel < 3)
+                                       chnlgroup = 0;
+                               else if (channel < 6)
+                                       chnlgroup = 1;
+                               else if (channel < 9)
+                                       chnlgroup = 2;
+                               else if (channel < 12)
+                                       chnlgroup = 3;
+                               else if (channel < 14)
+                                       chnlgroup = 4;
+                               else if (channel == 14)
+                                       chnlgroup = 5;
+                       }
+
+                       writeval =
+                           rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
+                           [index + (rf ? 8 : 0)] + ((index < 2) ?
+                                                     powerbase0[rf] :
+                                                     powerbase1[rf]);
+
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
+                               ((rf == 0) ? 'A' : 'B'), writeval);
+
+                       break;
+               case 2:
+                       writeval =
+                           ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
+
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               "Better regulatory, writeval(%c) = 0x%x\n",
+                               ((rf == 0) ? 'A' : 'B'), writeval);
+                       break;
+               case 3:
+                       chnlgroup = 0;
+
+                       if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
+                               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                                       "customer's limit, 40MHz rf(%c) = 0x%x\n",
+                                       ((rf == 0) ? 'A' : 'B'),
+                                       rtlefuse->pwrgroup_ht40
+                                       [rf][channel - 1]);
+                       } else {
+                               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                                       "customer's limit, 20MHz rf(%c) = 0x%x\n",
+                                       ((rf == 0) ? 'A' : 'B'),
+                                       rtlefuse->pwrgroup_ht20
+                                       [rf][channel - 1]);
+                       }
+
+                       if (index < 2)
+                               pwr_diff =
+                                   rtlefuse->txpwr_legacyhtdiff[rf][channel-1];
+                       else if (rtlphy->current_chan_bw ==
+                                HT_CHANNEL_WIDTH_20)
+                               pwr_diff =
+                                   rtlefuse->txpwr_ht20diff[rf][channel-1];
+
+                       if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40)
+                               customer_pwr_diff =
+                                       rtlefuse->pwrgroup_ht40[rf][channel-1];
+                       else
+                               customer_pwr_diff =
+                                       rtlefuse->pwrgroup_ht20[rf][channel-1];
+
+                       if (pwr_diff > customer_pwr_diff)
+                               pwr_diff = 0;
+                       else
+                               pwr_diff = customer_pwr_diff - pwr_diff;
+
+                       for (i = 0; i < 4; i++) {
+                               pwr_diff_limit[i] =
+                                   (u8)((rtlphy->mcs_txpwrlevel_origoffset
+                                          [chnlgroup][index + (rf ? 8 : 0)] &
+                                             (0x7f << (i * 8))) >> (i * 8));
+
+                                       if (pwr_diff_limit[i] > pwr_diff)
+                                               pwr_diff_limit[i] = pwr_diff;
+                       }
+
+                       customer_limit = (pwr_diff_limit[3] << 24) |
+                                        (pwr_diff_limit[2] << 16) |
+                                        (pwr_diff_limit[1] << 8) |
+                                        (pwr_diff_limit[0]);
+
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               "Customer's limit rf(%c) = 0x%x\n",
+                                ((rf == 0) ? 'A' : 'B'), customer_limit);
+
+                       writeval = customer_limit + ((index < 2) ?
+                                                     powerbase0[rf] :
+                                                     powerbase1[rf]);
+
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               "Customer, writeval rf(%c)= 0x%x\n",
+                                ((rf == 0) ? 'A' : 'B'), writeval);
+                       break;
+               default:
+                       chnlgroup = 0;
+                       writeval =
+                           rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
+                           [index + (rf ? 8 : 0)]
+                           + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
+
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               "RTK better performance, writeval rf(%c) = 0x%x\n",
+                               ((rf == 0) ? 'A' : 'B'), writeval);
+                       break;
+               }
+
+               if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
+                       writeval = writeval - 0x06060606;
+               else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+                        TXHIGHPWRLEVEL_BT2)
+                       writeval = writeval - 0x0c0c0c0c;
+               *(p_outwriteval + rf) = writeval;
+       }
+}
+
+static void _rtl8723be_write_ofdm_power_reg(struct ieee80211_hw *hw,
+                                        u8 index, u32 *pvalue)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u16 regoffset_a[6] = {
+               RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
+               RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
+               RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
+       };
+       u16 regoffset_b[6] = {
+               RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
+               RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
+               RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
+       };
+       u8 i, rf, pwr_val[4];
+       u32 writeval;
+       u16 regoffset;
+
+       for (rf = 0; rf < 2; rf++) {
+               writeval = pvalue[rf];
+               for (i = 0; i < 4; i++) {
+                       pwr_val[i] = (u8)((writeval & (0x7f <<
+                                                       (i * 8))) >> (i * 8));
+
+                       if (pwr_val[i] > RF6052_MAX_TX_PWR)
+                               pwr_val[i] = RF6052_MAX_TX_PWR;
+               }
+               writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
+                   (pwr_val[1] << 8) | pwr_val[0];
+
+               if (rf == 0)
+                       regoffset = regoffset_a[index];
+               else
+                       regoffset = regoffset_b[index];
+               rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
+
+               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                       "Set 0x%x = %08x\n", regoffset, writeval);
+       }
+}
+
+void rtl8723be_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
+                                          u8 *ppowerlevel_ofdm,
+                                          u8 *ppowerlevel_bw20,
+                                          u8 *ppowerlevel_bw40, u8 channel)
+{
+       u32 writeval[2], powerbase0[2], powerbase1[2];
+       u8 index;
+       u8 direction;
+       u32 pwrtrac_value;
+
+       rtl8723be_phy_get_power_base(hw, ppowerlevel_ofdm, ppowerlevel_bw20,
+                                    ppowerlevel_bw40, channel,
+                                    &powerbase0[0], &powerbase1[0]);
+
+       rtl8723be_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
+
+       for (index = 0; index < 6; index++) {
+               _rtl8723be_get_txpower_writeval_by_regulatory(hw,
+                                                             channel, index,
+                                                             &powerbase0[0],
+                                                             &powerbase1[0],
+                                                             &writeval[0]);
+               if (direction == 1) {
+                       writeval[0] += pwrtrac_value;
+                       writeval[1] += pwrtrac_value;
+               } else if (direction == 2) {
+                       writeval[0] -= pwrtrac_value;
+                       writeval[1] -= pwrtrac_value;
+               }
+               _rtl8723be_write_ofdm_power_reg(hw, index, &writeval[0]);
+       }
+}
+
+bool rtl8723be_phy_rf6052_config(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+
+       if (rtlphy->rf_type == RF_1T1R)
+               rtlphy->num_total_rfpath = 1;
+       else
+               rtlphy->num_total_rfpath = 2;
+
+       return _rtl8723be_phy_rf6052_config_parafile(hw);
+
+}
+
+static bool _rtl8723be_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       u32 u4_regvalue = 0;
+       u8 rfpath;
+       bool rtstatus = true;
+       struct bb_reg_def *pphyreg;
+
+       for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
+               pphyreg = &rtlphy->phyreg_def[rfpath];
+
+               switch (rfpath) {
+               case RF90_PATH_A:
+               case RF90_PATH_C:
+                       u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
+                                                   BRFSI_RFENV);
+                       break;
+               case RF90_PATH_B:
+               case RF90_PATH_D:
+                       u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
+                                                   BRFSI_RFENV << 16);
+                       break;
+               }
+
+               rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
+               udelay(1);
+
+               rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
+               udelay(1);
+
+               rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
+                             B3WIREADDREAALENGTH, 0x0);
+               udelay(1);
+
+               rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
+               udelay(1);
+
+               switch (rfpath) {
+               case RF90_PATH_A:
+                       rtstatus = rtl8723be_phy_config_rf_with_headerfile(hw,
+                                                     (enum radio_path)rfpath);
+                       break;
+               case RF90_PATH_B:
+                       rtstatus = rtl8723be_phy_config_rf_with_headerfile(hw,
+                                                     (enum radio_path)rfpath);
+                       break;
+               case RF90_PATH_C:
+                       break;
+               case RF90_PATH_D:
+                       break;
+               }
+
+               switch (rfpath) {
+               case RF90_PATH_A:
+               case RF90_PATH_C:
+                       rtl_set_bbreg(hw, pphyreg->rfintfs,
+                                     BRFSI_RFENV, u4_regvalue);
+                       break;
+               case RF90_PATH_B:
+               case RF90_PATH_D:
+                       rtl_set_bbreg(hw, pphyreg->rfintfs,
+                                     BRFSI_RFENV << 16, u4_regvalue);
+                       break;
+               }
+
+               if (!rtstatus) {
+                       RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                                "Radio[%d] Fail!!", rfpath);
+                       return false;
+               }
+       }
+
+       RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
+       return rtstatus;
+}