diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c | 509 |
1 files changed, 509 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c new file mode 100644 index 0000000..40893ce --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c @@ -0,0 +1,509 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2013 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 _rtl88e_phy_rf6052_config_parafile(struct ieee80211_hw *hw); + +void rtl88e_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 rtl88e_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 == true) { + 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++; + } + } + rtl88e_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 rtl88e_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 _rtl88e_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 _rtl88e_write_ofdm_power_reg(struct ieee80211_hw *hw, + u8 index, u32 *value) +{ + 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 = value[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 rtl88e_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; + + rtl88e_phy_get_power_base(hw, ppowerlevel_ofdm, + ppowerlevel_bw20, ppowerlevel_bw40, + channel, &powerbase0[0], &powerbase1[0]); + + rtl88e_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value); + + for (index = 0; index < 6; index++) { + _rtl88e_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; + } + _rtl88e_write_ofdm_power_reg(hw, index, &writeval[0]); + } +} + +bool rtl88e_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 _rtl88e_phy_rf6052_config_parafile(hw); +} + +static bool _rtl88e_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 = rtl88e_phy_config_rf_with_headerfile(hw, + (enum radio_path)rfpath); + break; + case RF90_PATH_B: + rtstatus = rtl88e_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 != true) { + RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, + "Radio[%d] Fail!!", rfpath); + return false; + } + + } + + RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n"); + return rtstatus; +} |
