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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8192d/rf_common.c359
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);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-18 14:14:52 +0100