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Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8188ee/rf.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8188ee/rf.c467
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 00000000000..e62bcab6ed4
--- /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);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 10:44:54 +0000