// 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);
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