diff options
author | Larry Finger <Larry.Finger@lwfinger.net> | 2013-03-25 03:06:42 (GMT) |
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committer | John W. Linville <linville@tuxdriver.com> | 2013-04-01 20:20:13 (GMT) |
commit | f0eb856e0b6cbd21244afc0f252cec718ecf88fb (patch) | |
tree | 77d5cb7faf46f7ffd6b79a6d97be72b4eef422b1 /drivers/net/wireless/rtlwifi/rtl8188ee/rf.c | |
parent | a269913c52ad37952a4d9953bb6d748f7299c304 (diff) | |
download | linux-fsl-qoriq-f0eb856e0b6cbd21244afc0f252cec718ecf88fb.tar.xz |
rtlwifi: rtl8188ee: Add new driver
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: jcheung@suse.com
Cc: machen@suse.com
Cc: mmarek@suse.cz
Cc: page_he@realsil.com.cn
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8188ee/rf.c')
-rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8188ee/rf.c | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/rf.c b/drivers/net/wireless/rtlwifi/rtl8188ee/rf.c new file mode 100644 index 0000000..e62bcab --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/rf.c @@ -0,0 +1,467 @@ +/****************************************************************************** + * + * 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. + * + * 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 <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" + +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 *plevel) +{ + 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] = plevel[idx1] | + (plevel[idx1] << 8) | + (plevel[idx1] << 16) | + (plevel[idx1] << 24); + } + } + } else { + for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) { + tx_agc[idx1] = plevel[idx1] | (plevel[idx1] << 8) | + (plevel[idx1] << 16) | + (plevel[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++; + } + } + 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; + + 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 *pwrlvlofdm, u8 *pwrlvlbw20, + u8 *pwrlvlbw40, u8 channel, + u32 *ofdmbase, u32 *mcsbase) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + u32 base0, base1; + u8 i, powerlevel[2]; + + for (i = 0; i < 2; i++) { + base0 = pwrlvlofdm[i]; + + base0 = (base0 << 24) | (base0 << 16) | + (base0 << 8) | base0; + *(ofdmbase + i) = base0; + 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] = pwrlvlbw20[i]; + else + powerlevel[i] = pwrlvlbw40[i]; + base1 = powerlevel[i]; + base1 = (base1 << 24) | + (base1 << 16) | (base1 << 8) | base1; + + *(mcsbase + i) = base1; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "[MCS power base index rf(%c) = 0x%x]\n", + ((i == 0) ? 'A' : 'B'), *(mcsbase + i)); + } +} + +static void get_txpwr_by_reg(struct ieee80211_hw *hw, u8 chan, u8 index, + u32 *base0, u32 *base1, u32 *outval) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + u8 i, chg = 0, pwr_lim[4], pwr_diff = 0, cust_pwr_dif; + u32 writeval, cust_lim, rf, tmp; + u8 ch = chan - 1; + u8 j; + + for (rf = 0; rf < 2; rf++) { + j = index + (rf ? 8 : 0); + tmp = ((index < 2) ? base0[rf] : base1[rf]); + switch (rtlefuse->eeprom_regulatory) { + case 0: + chg = 0; + + writeval = rtlphy->mcs_offset[chg][j] + tmp; + + 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) { + chg = 0; + } else { + chg = chan / 3; + if (chan == 14) + chg = 5; + } + writeval = rtlphy->mcs_offset[chg][j] + tmp; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n", + ((rf == 0) ? 'A' : 'B'), writeval); + break; + case 2: + writeval = ((index < 2) ? base0[rf] : base1[rf]); + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "Better regulatory, writeval(%c) = 0x%x\n", + ((rf == 0) ? 'A' : 'B'), writeval); + break; + case 3: + chg = 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][ch]); + } else { + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "customer's limit, 20MHz rf(%c) = 0x%x\n", + ((rf == 0) ? 'A' : 'B'), + rtlefuse->pwrgroup_ht20[rf][ch]); + } + + if (index < 2) + pwr_diff = rtlefuse->txpwr_legacyhtdiff[rf][ch]; + else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) + pwr_diff = rtlefuse->txpwr_ht20diff[rf][ch]; + + if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) + cust_pwr_dif = rtlefuse->pwrgroup_ht40[rf][ch]; + else + cust_pwr_dif = rtlefuse->pwrgroup_ht20[rf][ch]; + + if (pwr_diff > cust_pwr_dif) + pwr_diff = 0; + else + pwr_diff = cust_pwr_dif - pwr_diff; + + for (i = 0; i < 4; i++) { + pwr_lim[i] = (u8)((rtlphy->mcs_offset[chg][j] & + (0x7f << (i * 8))) >> (i * 8)); + + if (pwr_lim[i] > pwr_diff) + pwr_lim[i] = pwr_diff; + } + + cust_lim = (pwr_lim[3] << 24) | (pwr_lim[2] << 16) | + (pwr_lim[1] << 8) | (pwr_lim[0]); + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "Customer's limit rf(%c) = 0x%x\n", + ((rf == 0) ? 'A' : 'B'), cust_lim); + + writeval = cust_lim + tmp; + + RTPRINT(rtlpriv, FPHY, PHY_TXPWR, + "Customer, writeval rf(%c) = 0x%x\n", + ((rf == 0) ? 'A' : 'B'), writeval); + break; + default: + chg = 0; + writeval = rtlphy->mcs_offset[chg][j] + tmp; + + 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 -= 0x0c0c0c0c; + *(outval + rf) = writeval; + } +} + +static void write_ofdm_pwr(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 rtl88e_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw, + u8 *pwrlvlofdm, + u8 *pwrlvlbw20, + u8 *pwrlvlbw40, u8 chan) +{ + u32 writeval[2], base0[2], base1[2]; + u8 index; + u8 direction; + u32 pwrtrac_value; + + rtl88e_phy_get_power_base(hw, pwrlvlofdm, pwrlvlbw20, + pwrlvlbw40, chan, &base0[0], + &base1[0]); + + rtl88e_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value); + + for (index = 0; index < 6; index++) { + get_txpwr_by_reg(hw, chan, index, &base0[0], &base1[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; + } + write_ofdm_pwr(hw, index, &writeval[0]); + } +} + +static bool rf6052_conf_para(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + u32 u4val = 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: + u4val = rtl_get_bbreg(hw, pphyreg->rfintfs, + BRFSI_RFENV); + break; + case RF90_PATH_B: + case RF90_PATH_D: + u4val = 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, u4val); + break; + case RF90_PATH_B: + case RF90_PATH_D: + rtl_set_bbreg(hw, pphyreg->rfintfs, BRFSI_RFENV << 16, + u4val); + 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; +} + +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 rf6052_conf_para(hw); +} |