diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c new file mode 100644 index 000000000000..427d1877f431 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c @@ -0,0 +1,359 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2009-2012 Realtek Corporation.*/ + +#include "../wifi.h" +#include "def.h" +#include "reg.h" +#include "phy_common.h" +#include "rf_common.h" + +void rtl92d_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &rtlpriv->phy; + u8 rfpath; + + switch (bandwidth) { + case HT_CHANNEL_WIDTH_20: + for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) { + rtlphy->rfreg_chnlval[rfpath] &= 0xfffff3ff; + rtlphy->rfreg_chnlval[rfpath] |= 0x0400; + + rtl_set_rfreg(hw, rfpath, RF_CHNLBW, + BIT(10) | BIT(11), 0x01); + + rtl_dbg(rtlpriv, COMP_RF, DBG_LOUD, + "20M RF 0x18 = 0x%x\n", + rtlphy->rfreg_chnlval[rfpath]); + } + + break; + case HT_CHANNEL_WIDTH_20_40: + for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) { + rtlphy->rfreg_chnlval[rfpath] &= 0xfffff3ff; + + rtl_set_rfreg(hw, rfpath, RF_CHNLBW, + BIT(10) | BIT(11), 0x00); + + rtl_dbg(rtlpriv, COMP_RF, DBG_LOUD, + "40M RF 0x18 = 0x%x\n", + rtlphy->rfreg_chnlval[rfpath]); + } + break; + default: + pr_err("unknown bandwidth: %#X\n", bandwidth); + break; + } +} +EXPORT_SYMBOL_GPL(rtl92d_phy_rf6052_set_bandwidth); + +void rtl92d_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw, + u8 *ppowerlevel) +{ + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &rtlpriv->phy; + u32 tx_agc[2] = {0, 0}, tmpval; + bool turbo_scanoff = false; + u8 idx1, idx2; + u8 *ptr; + + 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_offset[0][6]) + + (rtlphy->mcs_offset[0][7] << 8); + tx_agc[RF90_PATH_A] += tmpval; + tmpval = (rtlphy->mcs_offset[0][14]) + + (rtlphy->mcs_offset[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; + 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); +} +EXPORT_SYMBOL_GPL(rtl92d_phy_rf6052_set_cck_txpower); + +static void _rtl92d_phy_get_power_base(struct ieee80211_hw *hw, + u8 *ppowerlevel, u8 channel, + u32 *ofdmbase, u32 *mcsbase) +{ + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &rtlpriv->phy; + u32 powerbase0, powerbase1; + u8 legacy_pwrdiff, ht20_pwrdiff; + 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 _rtl92d_get_pwr_diff_limit(struct ieee80211_hw *hw, u8 channel, + u8 index, u8 rf, u8 pwr_diff_limit[4]) +{ + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &rtlpriv->phy; + u32 mcs_offset; + u8 limit; + int i; + + mcs_offset = rtlphy->mcs_offset[0][index + (rf ? 8 : 0)]; + + for (i = 0; i < 4; i++) { + pwr_diff_limit[i] = (mcs_offset >> (i * 8)) & 0x7f; + + if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) + limit = rtlefuse->pwrgroup_ht40[rf][channel - 1]; + else + limit = rtlefuse->pwrgroup_ht20[rf][channel - 1]; + + if (pwr_diff_limit[i] > limit) + pwr_diff_limit[i] = limit; + } +} + +static void _rtl92d_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw, + u8 channel, u8 index, + u32 *powerbase0, + u32 *powerbase1, + u32 *p_outwriteval) +{ + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &rtlpriv->phy; + u32 writeval = 0, customer_limit, rf; + u8 chnlgroup = 0, pwr_diff_limit[4]; + + for (rf = 0; rf < 2; rf++) { + switch (rtlefuse->eeprom_regulatory) { + case 0: + writeval = rtlphy->mcs_offset[0][index + (rf ? 8 : 0)]; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "RTK better performance\n"); + break; + case 1: + if (rtlphy->pwrgroup_cnt == 1) + chnlgroup = 0; + + if (rtlphy->pwrgroup_cnt < MAX_PG_GROUP) + break; + + chnlgroup = rtl92d_phy_get_chnlgroup_bypg(channel - 1); + if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) + chnlgroup++; + else + chnlgroup += 4; + + writeval = rtlphy->mcs_offset + [chnlgroup][index + (rf ? 8 : 0)]; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "Realtek regulatory, 20MHz\n"); + break; + case 2: + writeval = 0; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, "Better regulatory\n"); + break; + case 3: + 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]); + } + + _rtl92d_get_pwr_diff_limit(hw, channel, index, rf, + pwr_diff_limit); + + 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; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, "Customer\n"); + break; + default: + writeval = rtlphy->mcs_offset[0][index + (rf ? 8 : 0)]; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "RTK better performance\n"); + break; + } + + if (index < 2) + writeval += powerbase0[rf]; + else + writeval += powerbase1[rf]; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, "writeval rf(%c)= 0x%x\n", + rf == 0 ? 'A' : 'B', writeval); + + *(p_outwriteval + rf) = writeval; + } +} + +static void _rtl92d_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; + static const 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 + }; + static const 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++) { + if (i != 2) + writeval = (writeval > 8) ? + (writeval - 8) : 0; + else + writeval = (writeval > 6) ? + (writeval - 6) : 0; + rtl_write_byte(rtlpriv, (u32)(regoffset + i), + (u8)writeval); + } + } + } +} + +void rtl92d_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw, + u8 *ppowerlevel, u8 channel) +{ + u32 writeval[2], powerbase0[2], powerbase1[2]; + u8 index; + + _rtl92d_phy_get_power_base(hw, ppowerlevel, channel, + &powerbase0[0], &powerbase1[0]); + for (index = 0; index < 6; index++) { + _rtl92d_get_txpower_writeval_by_regulatory(hw, channel, index, + &powerbase0[0], + &powerbase1[0], + &writeval[0]); + _rtl92d_write_ofdm_power_reg(hw, index, &writeval[0]); + } +} +EXPORT_SYMBOL_GPL(rtl92d_phy_rf6052_set_ofdm_txpower); |