in wireless/realtek/rtlwifi/rtl8192c/dm_common.c [698:1116]
static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
*hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
u8 thermalvalue, delta, delta_lck, delta_iqk;
long ele_a, ele_d, temp_cck, val_x, value32;
long val_y, ele_c = 0;
u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0;
s8 cck_index = 0;
int i;
bool is2t = IS_92C_SERIAL(rtlhal->version);
s8 txpwr_level[3] = {0, 0, 0};
u8 ofdm_min_index = 6, rf;
rtlpriv->dm.txpower_trackinginit = true;
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"%s\n", __func__);
thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
thermalvalue, rtlpriv->dm.thermalvalue,
rtlefuse->eeprom_thermalmeter);
rtl92c_phy_ap_calibrate(hw, (thermalvalue -
rtlefuse->eeprom_thermalmeter));
if (is2t)
rf = 2;
else
rf = 1;
if (thermalvalue) {
ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
MASKDWORD) & MASKOFDM_D;
for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
ofdm_index_old[0] = (u8) i;
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
ROFDM0_XATXIQIMBALANCE,
ele_d, ofdm_index_old[0]);
break;
}
}
if (is2t) {
ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
MASKDWORD) & MASKOFDM_D;
for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
if (ele_d == (ofdmswing_table[i] &
MASKOFDM_D)) {
ofdm_index_old[1] = (u8) i;
rtl_dbg(rtlpriv, COMP_POWER_TRACKING,
DBG_LOUD,
"Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
ROFDM0_XBTXIQIMBALANCE, ele_d,
ofdm_index_old[1]);
break;
}
}
}
temp_cck =
rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
for (i = 0; i < CCK_TABLE_LENGTH; i++) {
if (rtlpriv->dm.cck_inch14) {
if (memcmp((void *)&temp_cck,
(void *)&cckswing_table_ch14[i][2],
4) == 0) {
cck_index_old = (u8) i;
rtl_dbg(rtlpriv, COMP_POWER_TRACKING,
DBG_LOUD,
"Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
RCCK0_TXFILTER2, temp_cck,
cck_index_old,
rtlpriv->dm.cck_inch14);
break;
}
} else {
if (memcmp((void *)&temp_cck,
(void *)
&cckswing_table_ch1ch13[i][2],
4) == 0) {
cck_index_old = (u8) i;
rtl_dbg(rtlpriv, COMP_POWER_TRACKING,
DBG_LOUD,
"Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
RCCK0_TXFILTER2, temp_cck,
cck_index_old,
rtlpriv->dm.cck_inch14);
break;
}
}
}
if (!rtlpriv->dm.thermalvalue) {
rtlpriv->dm.thermalvalue =
rtlefuse->eeprom_thermalmeter;
rtlpriv->dm.thermalvalue_lck = thermalvalue;
rtlpriv->dm.thermalvalue_iqk = thermalvalue;
for (i = 0; i < rf; i++)
rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
rtlpriv->dm.cck_index = cck_index_old;
}
/* Handle USB High PA boards */
delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
(thermalvalue - rtlpriv->dm.thermalvalue) :
(rtlpriv->dm.thermalvalue - thermalvalue);
delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
(thermalvalue - rtlpriv->dm.thermalvalue_lck) :
(rtlpriv->dm.thermalvalue_lck - thermalvalue);
delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
(thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
(rtlpriv->dm.thermalvalue_iqk - thermalvalue);
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x delta 0x%x delta_lck 0x%x delta_iqk 0x%x\n",
thermalvalue, rtlpriv->dm.thermalvalue,
rtlefuse->eeprom_thermalmeter, delta, delta_lck,
delta_iqk);
if (delta_lck > 1) {
rtlpriv->dm.thermalvalue_lck = thermalvalue;
rtl92c_phy_lc_calibrate(hw);
}
if (delta > 0 && rtlpriv->dm.txpower_track_control) {
if (thermalvalue > rtlpriv->dm.thermalvalue) {
for (i = 0; i < rf; i++)
rtlpriv->dm.ofdm_index[i] -= delta;
rtlpriv->dm.cck_index -= delta;
} else {
for (i = 0; i < rf; i++)
rtlpriv->dm.ofdm_index[i] += delta;
rtlpriv->dm.cck_index += delta;
}
if (is2t) {
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
rtlpriv->dm.ofdm_index[0],
rtlpriv->dm.ofdm_index[1],
rtlpriv->dm.cck_index);
} else {
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"temp OFDM_A_index=0x%x, cck_index=0x%x\n",
rtlpriv->dm.ofdm_index[0],
rtlpriv->dm.cck_index);
}
if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
for (i = 0; i < rf; i++)
ofdm_index[i] =
rtlpriv->dm.ofdm_index[i]
+ 1;
cck_index = rtlpriv->dm.cck_index + 1;
} else {
for (i = 0; i < rf; i++)
ofdm_index[i] =
rtlpriv->dm.ofdm_index[i];
cck_index = rtlpriv->dm.cck_index;
}
for (i = 0; i < rf; i++) {
if (txpwr_level[i] >= 0 &&
txpwr_level[i] <= 26) {
if (thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
ofdm_index[i] -= 1;
else
ofdm_index[i] -= 2;
} else if (delta > 5 && thermalvalue <
rtlefuse->
eeprom_thermalmeter) {
ofdm_index[i] += 1;
}
} else if (txpwr_level[i] >= 27 &&
txpwr_level[i] <= 32
&& thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
ofdm_index[i] -= 1;
else
ofdm_index[i] -= 2;
} else if (txpwr_level[i] >= 32 &&
txpwr_level[i] <= 38 &&
thermalvalue >
rtlefuse->eeprom_thermalmeter
&& delta > 5) {
ofdm_index[i] -= 1;
}
}
if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
if (thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
cck_index -= 1;
else
cck_index -= 2;
} else if (delta > 5 && thermalvalue <
rtlefuse->eeprom_thermalmeter) {
cck_index += 1;
}
} else if (txpwr_level[i] >= 27 &&
txpwr_level[i] <= 32 &&
thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
cck_index -= 1;
else
cck_index -= 2;
} else if (txpwr_level[i] >= 32 &&
txpwr_level[i] <= 38 &&
thermalvalue > rtlefuse->eeprom_thermalmeter
&& delta > 5) {
cck_index -= 1;
}
for (i = 0; i < rf; i++) {
if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
ofdm_index[i] = OFDM_TABLE_SIZE - 1;
else if (ofdm_index[i] < ofdm_min_index)
ofdm_index[i] = ofdm_min_index;
}
if (cck_index > CCK_TABLE_SIZE - 1)
cck_index = CCK_TABLE_SIZE - 1;
else if (cck_index < 0)
cck_index = 0;
if (is2t) {
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
ofdm_index[0], ofdm_index[1],
cck_index);
} else {
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"new OFDM_A_index=0x%x, cck_index=0x%x\n",
ofdm_index[0], cck_index);
}
}
if (rtlpriv->dm.txpower_track_control && delta != 0) {
ele_d =
(ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
val_x = rtlphy->reg_e94;
val_y = rtlphy->reg_e9c;
if (val_x != 0) {
if ((val_x & 0x00000200) != 0)
val_x = val_x | 0xFFFFFC00;
ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
if ((val_y & 0x00000200) != 0)
val_y = val_y | 0xFFFFFC00;
ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
value32 = (ele_d << 22) |
((ele_c & 0x3F) << 16) | ele_a;
rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
MASKDWORD, value32);
value32 = (ele_c & 0x000003C0) >> 6;
rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
value32);
value32 = ((val_x * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(31), value32);
value32 = ((val_y * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(29), value32);
} else {
rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
MASKDWORD,
ofdmswing_table[ofdm_index[0]]);
rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
0x00);
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(31) | BIT(29), 0x00);
}
if (!rtlpriv->dm.cck_inch14) {
rtl_write_byte(rtlpriv, 0xa22,
cckswing_table_ch1ch13[cck_index]
[0]);
rtl_write_byte(rtlpriv, 0xa23,
cckswing_table_ch1ch13[cck_index]
[1]);
rtl_write_byte(rtlpriv, 0xa24,
cckswing_table_ch1ch13[cck_index]
[2]);
rtl_write_byte(rtlpriv, 0xa25,
cckswing_table_ch1ch13[cck_index]
[3]);
rtl_write_byte(rtlpriv, 0xa26,
cckswing_table_ch1ch13[cck_index]
[4]);
rtl_write_byte(rtlpriv, 0xa27,
cckswing_table_ch1ch13[cck_index]
[5]);
rtl_write_byte(rtlpriv, 0xa28,
cckswing_table_ch1ch13[cck_index]
[6]);
rtl_write_byte(rtlpriv, 0xa29,
cckswing_table_ch1ch13[cck_index]
[7]);
} else {
rtl_write_byte(rtlpriv, 0xa22,
cckswing_table_ch14[cck_index]
[0]);
rtl_write_byte(rtlpriv, 0xa23,
cckswing_table_ch14[cck_index]
[1]);
rtl_write_byte(rtlpriv, 0xa24,
cckswing_table_ch14[cck_index]
[2]);
rtl_write_byte(rtlpriv, 0xa25,
cckswing_table_ch14[cck_index]
[3]);
rtl_write_byte(rtlpriv, 0xa26,
cckswing_table_ch14[cck_index]
[4]);
rtl_write_byte(rtlpriv, 0xa27,
cckswing_table_ch14[cck_index]
[5]);
rtl_write_byte(rtlpriv, 0xa28,
cckswing_table_ch14[cck_index]
[6]);
rtl_write_byte(rtlpriv, 0xa29,
cckswing_table_ch14[cck_index]
[7]);
}
if (is2t) {
ele_d = (ofdmswing_table[ofdm_index[1]] &
0xFFC00000) >> 22;
val_x = rtlphy->reg_eb4;
val_y = rtlphy->reg_ebc;
if (val_x != 0) {
if ((val_x & 0x00000200) != 0)
val_x = val_x | 0xFFFFFC00;
ele_a = ((val_x * ele_d) >> 8) &
0x000003FF;
if ((val_y & 0x00000200) != 0)
val_y = val_y | 0xFFFFFC00;
ele_c = ((val_y * ele_d) >> 8) &
0x00003FF;
value32 = (ele_d << 22) |
((ele_c & 0x3F) << 16) | ele_a;
rtl_set_bbreg(hw,
ROFDM0_XBTXIQIMBALANCE,
MASKDWORD, value32);
value32 = (ele_c & 0x000003C0) >> 6;
rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
MASKH4BITS, value32);
value32 = ((val_x * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(27), value32);
value32 = ((val_y * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(25), value32);
} else {
rtl_set_bbreg(hw,
ROFDM0_XBTXIQIMBALANCE,
MASKDWORD,
ofdmswing_table[ofdm_index
[1]]);
rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
MASKH4BITS, 0x00);
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(27) | BIT(25), 0x00);
}
}
}
if (delta_iqk > 3) {
rtlpriv->dm.thermalvalue_iqk = thermalvalue;
rtl92c_phy_iq_calibrate(hw, false);
}
if (rtlpriv->dm.txpower_track_control)
rtlpriv->dm.thermalvalue = thermalvalue;
}
rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
}