471 lines
14 KiB
C
471 lines
14 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2009-2012 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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* Hsinchu 300, Taiwan.
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*
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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*****************************************************************************/
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#include "../wifi.h"
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#include "reg.h"
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#include "def.h"
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#include "phy.h"
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#include "rf.h"
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#include "dm.h"
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static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
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void rtl92cu_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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switch (bandwidth) {
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case HT_CHANNEL_WIDTH_20:
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rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
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0xfffff3ff) | 0x0400);
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rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
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rtlphy->rfreg_chnlval[0]);
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break;
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case HT_CHANNEL_WIDTH_20_40:
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rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
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0xfffff3ff));
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rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
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rtlphy->rfreg_chnlval[0]);
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break;
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default:
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pr_err("unknown bandwidth: %#X\n", bandwidth);
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break;
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}
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}
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void rtl92cu_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
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u8 *ppowerlevel)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
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u32 tx_agc[2] = { 0, 0 }, tmpval = 0;
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bool turbo_scanoff = false;
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u8 idx1, idx2;
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u8 *ptr;
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if ((rtlefuse->eeprom_regulatory != 0) || (rtlefuse->external_pa))
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turbo_scanoff = true;
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if (mac->act_scanning) {
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tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
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tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
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for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
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tx_agc[idx1] = ppowerlevel[idx1] |
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(ppowerlevel[idx1] << 8) |
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(ppowerlevel[idx1] << 16) |
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(ppowerlevel[idx1] << 24);
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if (tx_agc[idx1] > 0x20 && rtlefuse->external_pa)
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tx_agc[idx1] = 0x20;
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}
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} else {
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if (rtlpriv->dm.dynamic_txhighpower_lvl ==
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TXHIGHPWRLEVEL_LEVEL1) {
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tx_agc[RF90_PATH_A] = 0x10101010;
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tx_agc[RF90_PATH_B] = 0x10101010;
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} else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
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TXHIGHPWRLEVEL_LEVEL2) {
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tx_agc[RF90_PATH_A] = 0x00000000;
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tx_agc[RF90_PATH_B] = 0x00000000;
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} else {
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for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
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tx_agc[idx1] = ppowerlevel[idx1] |
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(ppowerlevel[idx1] << 8) |
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(ppowerlevel[idx1] << 16) |
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(ppowerlevel[idx1] << 24);
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}
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if (rtlefuse->eeprom_regulatory == 0) {
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tmpval = (rtlphy->mcs_offset[0][6]) +
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(rtlphy->mcs_offset[0][7] << 8);
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tx_agc[RF90_PATH_A] += tmpval;
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tmpval = (rtlphy->mcs_offset[0][14]) +
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(rtlphy->mcs_offset[0][15] << 24);
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tx_agc[RF90_PATH_B] += tmpval;
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}
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}
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}
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for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
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ptr = (u8 *) (&(tx_agc[idx1]));
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for (idx2 = 0; idx2 < 4; idx2++) {
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if (*ptr > RF6052_MAX_TX_PWR)
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*ptr = RF6052_MAX_TX_PWR;
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ptr++;
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}
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}
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tmpval = tx_agc[RF90_PATH_A] & 0xff;
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rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n",
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tmpval, RTXAGC_A_CCK1_MCS32);
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tmpval = tx_agc[RF90_PATH_A] >> 8;
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if (mac->mode == WIRELESS_MODE_B)
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tmpval = tmpval & 0xff00ffff;
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rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n",
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tmpval, RTXAGC_B_CCK11_A_CCK2_11);
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tmpval = tx_agc[RF90_PATH_B] >> 24;
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rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n",
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tmpval, RTXAGC_B_CCK11_A_CCK2_11);
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tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
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rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n",
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tmpval, RTXAGC_B_CCK1_55_MCS32);
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}
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static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
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u8 *ppowerlevel, u8 channel,
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u32 *ofdmbase, u32 *mcsbase)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
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u32 powerBase0, powerBase1;
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u8 legacy_pwrdiff = 0, ht20_pwrdiff = 0;
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u8 i, powerlevel[2];
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for (i = 0; i < 2; i++) {
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powerlevel[i] = ppowerlevel[i];
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legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
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powerBase0 = powerlevel[i] + legacy_pwrdiff;
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powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
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(powerBase0 << 8) | powerBase0;
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*(ofdmbase + i) = powerBase0;
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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" [OFDM power base index rf(%c) = 0x%x]\n",
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i == 0 ? 'A' : 'B', *(ofdmbase + i));
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}
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for (i = 0; i < 2; i++) {
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if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
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ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
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powerlevel[i] += ht20_pwrdiff;
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}
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powerBase1 = powerlevel[i];
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powerBase1 = (powerBase1 << 24) |
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(powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
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*(mcsbase + i) = powerBase1;
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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" [MCS power base index rf(%c) = 0x%x]\n",
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i == 0 ? 'A' : 'B', *(mcsbase + i));
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}
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}
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static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
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u8 channel, u8 index,
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u32 *powerBase0,
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u32 *powerBase1,
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u32 *p_outwriteval)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
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u8 i, chnlgroup = 0, pwr_diff_limit[4];
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u32 writeVal, customer_limit, rf;
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for (rf = 0; rf < 2; rf++) {
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switch (rtlefuse->eeprom_regulatory) {
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case 0:
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chnlgroup = 0;
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writeVal = rtlphy->mcs_offset
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[chnlgroup][index + (rf ? 8 : 0)]
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+ ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"RTK better performance,writeVal(%c) = 0x%x\n",
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rf == 0 ? 'A' : 'B', writeVal);
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break;
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case 1:
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if (rtlphy->pwrgroup_cnt == 1)
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chnlgroup = 0;
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if (rtlphy->pwrgroup_cnt >= 3) {
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if (channel <= 3)
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chnlgroup = 0;
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else if (channel >= 4 && channel <= 9)
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chnlgroup = 1;
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else if (channel > 9)
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chnlgroup = 2;
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if (rtlphy->current_chan_bw ==
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HT_CHANNEL_WIDTH_20)
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chnlgroup++;
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else
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chnlgroup += 4;
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}
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writeVal = rtlphy->mcs_offset[chnlgroup][index +
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(rf ? 8 : 0)] +
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((index < 2) ? powerBase0[rf] :
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powerBase1[rf]);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"Realtek regulatory, 20MHz, writeVal(%c) = 0x%x\n",
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rf == 0 ? 'A' : 'B', writeVal);
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break;
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case 2:
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writeVal = ((index < 2) ? powerBase0[rf] :
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powerBase1[rf]);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"Better regulatory,writeVal(%c) = 0x%x\n",
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rf == 0 ? 'A' : 'B', writeVal);
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break;
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case 3:
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chnlgroup = 0;
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if (rtlphy->current_chan_bw ==
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HT_CHANNEL_WIDTH_20_40) {
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"customer's limit, 40MHzrf(%c) = 0x%x\n",
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rf == 0 ? 'A' : 'B',
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rtlefuse->pwrgroup_ht40[rf]
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[channel - 1]);
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} else {
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"customer's limit, 20MHz rf(%c) = 0x%x\n",
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rf == 0 ? 'A' : 'B',
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rtlefuse->pwrgroup_ht20[rf]
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[channel - 1]);
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}
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for (i = 0; i < 4; i++) {
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pwr_diff_limit[i] = (u8) ((rtlphy->mcs_offset
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[chnlgroup][index + (rf ? 8 : 0)]
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& (0x7f << (i * 8))) >> (i * 8));
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if (rtlphy->current_chan_bw ==
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HT_CHANNEL_WIDTH_20_40) {
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if (pwr_diff_limit[i] >
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rtlefuse->pwrgroup_ht40[rf]
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[channel - 1])
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pwr_diff_limit[i] = rtlefuse->
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pwrgroup_ht40[rf]
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[channel - 1];
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} else {
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if (pwr_diff_limit[i] >
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rtlefuse->pwrgroup_ht20[rf]
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[channel - 1])
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pwr_diff_limit[i] =
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rtlefuse->pwrgroup_ht20[rf]
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[channel - 1];
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}
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}
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customer_limit = (pwr_diff_limit[3] << 24) |
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(pwr_diff_limit[2] << 16) |
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(pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"Customer's limit rf(%c) = 0x%x\n",
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rf == 0 ? 'A' : 'B', customer_limit);
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writeVal = customer_limit + ((index < 2) ?
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powerBase0[rf] : powerBase1[rf]);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"Customer, writeVal rf(%c)= 0x%x\n",
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rf == 0 ? 'A' : 'B', writeVal);
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break;
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default:
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chnlgroup = 0;
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writeVal = rtlphy->mcs_offset[chnlgroup]
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[index + (rf ? 8 : 0)] + ((index < 2) ?
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powerBase0[rf] : powerBase1[rf]);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"RTK better performance, writeValrf(%c) = 0x%x\n",
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rf == 0 ? 'A' : 'B', writeVal);
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break;
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}
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if (rtlpriv->dm.dynamic_txhighpower_lvl ==
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TXHIGHPWRLEVEL_LEVEL1)
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writeVal = 0x14141414;
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else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
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TXHIGHPWRLEVEL_LEVEL2)
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writeVal = 0x00000000;
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if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
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writeVal = writeVal - 0x06060606;
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else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
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TXHIGHPWRLEVEL_BT2)
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writeVal = writeVal;
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*(p_outwriteval + rf) = writeVal;
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}
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}
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static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
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u8 index, u32 *pValue)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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u16 regoffset_a[6] = {
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RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
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RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
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RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
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};
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u16 regoffset_b[6] = {
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RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
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RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
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RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
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};
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u8 i, rf, pwr_val[4];
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u32 writeVal;
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u16 regoffset;
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for (rf = 0; rf < 2; rf++) {
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writeVal = pValue[rf];
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for (i = 0; i < 4; i++) {
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pwr_val[i] = (u8)((writeVal & (0x7f << (i * 8))) >>
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(i * 8));
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if (pwr_val[i] > RF6052_MAX_TX_PWR)
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pwr_val[i] = RF6052_MAX_TX_PWR;
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}
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writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
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(pwr_val[1] << 8) | pwr_val[0];
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if (rf == 0)
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regoffset = regoffset_a[index];
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else
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regoffset = regoffset_b[index];
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rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
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RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
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"Set 0x%x = %08x\n", regoffset, writeVal);
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if (((get_rf_type(rtlphy) == RF_2T2R) &&
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(regoffset == RTXAGC_A_MCS15_MCS12 ||
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regoffset == RTXAGC_B_MCS15_MCS12)) ||
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((get_rf_type(rtlphy) != RF_2T2R) &&
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(regoffset == RTXAGC_A_MCS07_MCS04 ||
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regoffset == RTXAGC_B_MCS07_MCS04))) {
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writeVal = pwr_val[3];
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if (regoffset == RTXAGC_A_MCS15_MCS12 ||
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regoffset == RTXAGC_A_MCS07_MCS04)
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regoffset = 0xc90;
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if (regoffset == RTXAGC_B_MCS15_MCS12 ||
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regoffset == RTXAGC_B_MCS07_MCS04)
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regoffset = 0xc98;
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for (i = 0; i < 3; i++) {
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if (i != 2)
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writeVal = (writeVal > 8) ?
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(writeVal - 8) : 0;
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else
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writeVal = (writeVal > 6) ?
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(writeVal - 6) : 0;
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rtl_write_byte(rtlpriv, (u32)(regoffset + i),
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(u8)writeVal);
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}
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}
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}
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}
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void rtl92cu_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
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u8 *ppowerlevel, u8 channel)
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{
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u32 writeVal[2], powerBase0[2], powerBase1[2];
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u8 index = 0;
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rtl92c_phy_get_power_base(hw, ppowerlevel,
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channel, &powerBase0[0], &powerBase1[0]);
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for (index = 0; index < 6; index++) {
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_rtl92c_get_txpower_writeval_by_regulatory(hw,
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channel, index,
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&powerBase0[0],
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&powerBase1[0],
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&writeVal[0]);
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_rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
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}
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}
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bool rtl92cu_phy_rf6052_config(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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bool rtstatus = true;
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u8 b_reg_hwparafile = 1;
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if (rtlphy->rf_type == RF_1T1R)
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rtlphy->num_total_rfpath = 1;
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else
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rtlphy->num_total_rfpath = 2;
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if (b_reg_hwparafile == 1)
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rtstatus = _rtl92c_phy_rf6052_config_parafile(hw);
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return rtstatus;
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}
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static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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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:
|
|
case RF90_PATH_B:
|
|
rtstatus = rtl92cu_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!!\n", rfpath);
|
|
goto phy_rf_cfg_fail;
|
|
}
|
|
}
|
|
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
|
|
phy_rf_cfg_fail:
|
|
return rtstatus;
|
|
}
|