From 3ac23f8106051aa8a922d9ad8415232bb5c1af70 Mon Sep 17 00:00:00 2001 From: George Date: Sat, 19 Feb 2011 16:29:37 -0600 Subject: [PATCH] rtlwifi: rtl8192cu: Add routine rf Add rtlwifi/rtl8192cu/rf.c. This routine is distinct from the one in rtl8192ce with the same name. Signed-off-by: George Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/rtl8192cu/rf.c | 493 ++++++++++++++++++++ 1 file changed, 493 insertions(+) create mode 100644 drivers/net/wireless/rtlwifi/rtl8192cu/rf.c diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c b/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c new file mode 100644 index 000000000000..9149adcc8fa5 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c @@ -0,0 +1,493 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2010 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * wlanfae + * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, + * Hsinchu 300, Taiwan. + * + * Larry Finger + * + *****************************************************************************/ + +#include "../wifi.h" +#include "reg.h" +#include "def.h" +#include "phy.h" +#include "rf.h" +#include "dm.h" + +static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw); + +void rtl92c_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) | 0x0400); + 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)); + 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 rtl92c_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_hal *rtlhal = rtl_hal(rtlpriv); + 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 = 0; + bool turbo_scanoff = false; + u8 idx1, idx2; + u8 *ptr; + + if (rtlhal->interface == INTF_PCI) { + if (rtlefuse->eeprom_regulatory != 0) + turbo_scanoff = true; + } else { + if ((rtlefuse->eeprom_regulatory != 0) || + (rtlefuse->external_pa)) + 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); + if (rtlhal->interface == INTF_USB) { + if (tx_agc[idx1] > 0x20 && + rtlefuse->external_pa) + tx_agc[idx1] = 0x20; + } + } + } + } else { + if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL1) { + tx_agc[RF90_PATH_A] = 0x10101010; + tx_agc[RF90_PATH_B] = 0x10101010; + } else if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL1) { + tx_agc[RF90_PATH_A] = 0x00000000; + tx_agc[RF90_PATH_B] = 0x00000000; + } 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++; + } + } + 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; + if (mac->mode == WIRELESS_MODE_B) + 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 rtl92c_phy_get_power_base(struct ieee80211_hw *hw, + u8 *ppowerlevel, u8 channel, + u32 *ofdmbase, u32 *mcsbase) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + u32 powerBase0, powerBase1; + u8 legacy_pwrdiff = 0, ht20_pwrdiff = 0; + u8 i, powerlevel[2]; + + for (i = 0; i < 2; i++) { + powerlevel[i] = ppowerlevel[i]; + legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1]; + powerBase0 = powerlevel[i] + legacy_pwrdiff; + 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) { + ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1]; + powerlevel[i] += ht20_pwrdiff; + } + 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 _rtl92c_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]; + 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; + if (rtlphy->pwrgroup_cnt >= 3) { + if (channel <= 3) + chnlgroup = 0; + else if (channel >= 4 && channel <= 9) + chnlgroup = 1; + else if (channel > 9) + chnlgroup = 2; + if (rtlphy->current_chan_bw == + HT_CHANNEL_WIDTH_20) + chnlgroup++; + else + chnlgroup += 4; + } + 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, 40MHzrf(%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])); + } + 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 (rtlphy->current_chan_bw == + HT_CHANNEL_WIDTH_20_40) { + if (pwr_diff_limit[i] > + rtlefuse->pwrgroup_ht40[rf] + [channel - 1]) + pwr_diff_limit[i] = rtlefuse-> + pwrgroup_ht40[rf] + [channel - 1]; + } else { + if (pwr_diff_limit[i] > + rtlefuse->pwrgroup_ht20[rf] + [channel - 1]) + pwr_diff_limit[i] = + rtlefuse->pwrgroup_ht20[rf] + [channel - 1]; + } + } + 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, writeValrf(%c) = 0x%x\n", + ((rf == 0) ? 'A' : 'B'), writeVal)); + break; + } + if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL1) + writeVal = 0x14141414; + else if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL2) + writeVal = 0x00000000; + if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1) + writeVal = writeVal - 0x06060606; + else if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_BT2) + writeVal = writeVal; + *(p_outwriteval + rf) = writeVal; + } +} + +static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw, + u8 index, u32 *pValue) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + 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)); + if (((get_rf_type(rtlphy) == RF_2T2R) && + (regoffset == RTXAGC_A_MCS15_MCS12 || + regoffset == RTXAGC_B_MCS15_MCS12)) || + ((get_rf_type(rtlphy) != RF_2T2R) && + (regoffset == RTXAGC_A_MCS07_MCS04 || + regoffset == RTXAGC_B_MCS07_MCS04))) { + writeVal = pwr_val[3]; + if (regoffset == RTXAGC_A_MCS15_MCS12 || + regoffset == RTXAGC_A_MCS07_MCS04) + regoffset = 0xc90; + if (regoffset == RTXAGC_B_MCS15_MCS12 || + regoffset == RTXAGC_B_MCS07_MCS04) + regoffset = 0xc98; + for (i = 0; i < 3; i++) { + writeVal = (writeVal > 6) ? (writeVal - 6) : 0; + rtl_write_byte(rtlpriv, (u32)(regoffset + i), + (u8)writeVal); + } + } + } +} + +void rtl92c_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw, + u8 *ppowerlevel, u8 channel) +{ + u32 writeVal[2], powerBase0[2], powerBase1[2]; + u8 index = 0; + + rtl92c_phy_get_power_base(hw, ppowerlevel, + channel, &powerBase0[0], &powerBase1[0]); + for (index = 0; index < 6; index++) { + _rtl92c_get_txpower_writeval_by_regulatory(hw, + channel, index, + &powerBase0[0], + &powerBase1[0], + &writeVal[0]); + _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]); + } +} + +bool rtl92c_phy_rf6052_config(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + bool rtstatus = true; + u8 b_reg_hwparafile = 1; + + if (rtlphy->rf_type == RF_1T1R) + rtlphy->num_total_rfpath = 1; + else + rtlphy->num_total_rfpath = 2; + if (b_reg_hwparafile == 1) + rtstatus = _rtl92c_phy_rf6052_config_parafile(hw); + return rtstatus; +} + +static bool _rtl92c_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 = rtl92c_phy_config_rf_with_headerfile(hw, + (enum radio_path) rfpath); + break; + case RF90_PATH_B: + rtstatus = rtl92c_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)); + goto phy_rf_cfg_fail; + } + } + RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, ("<---\n")); + return rtstatus; +phy_rf_cfg_fail: + return rtstatus; +} -- 2.20.1