- 根目录:
- drivers
- net
- wireless
- rtlwifi
- rtl8188ee
- rf.c
/******************************************************************************
*
* 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);
}