1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /* Copyright(c) 2009-2012 Realtek Corporation.*/
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #include "../wifi.h"
5*4882a593Smuzhiyun #include "../base.h"
6*4882a593Smuzhiyun #include "reg.h"
7*4882a593Smuzhiyun #include "def.h"
8*4882a593Smuzhiyun #include "phy.h"
9*4882a593Smuzhiyun #include "dm.h"
10*4882a593Smuzhiyun
rtl92cu_dm_dynamic_txpower(struct ieee80211_hw * hw)11*4882a593Smuzhiyun void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun struct rtl_priv *rtlpriv = rtl_priv(hw);
14*4882a593Smuzhiyun struct rtl_phy *rtlphy = &(rtlpriv->phy);
15*4882a593Smuzhiyun struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
16*4882a593Smuzhiyun long undec_sm_pwdb;
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun if (!rtlpriv->dm.dynamic_txpower_enable)
19*4882a593Smuzhiyun return;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
22*4882a593Smuzhiyun rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
23*4882a593Smuzhiyun return;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun if ((mac->link_state < MAC80211_LINKED) &&
27*4882a593Smuzhiyun (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
28*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
29*4882a593Smuzhiyun "Not connected to any\n");
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
34*4882a593Smuzhiyun return;
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun if (mac->link_state >= MAC80211_LINKED) {
38*4882a593Smuzhiyun if (mac->opmode == NL80211_IFTYPE_ADHOC) {
39*4882a593Smuzhiyun undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
40*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
41*4882a593Smuzhiyun "AP Client PWDB = 0x%lx\n",
42*4882a593Smuzhiyun undec_sm_pwdb);
43*4882a593Smuzhiyun } else {
44*4882a593Smuzhiyun undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
45*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
46*4882a593Smuzhiyun "STA Default Port PWDB = 0x%lx\n",
47*4882a593Smuzhiyun undec_sm_pwdb);
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun } else {
50*4882a593Smuzhiyun undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
53*4882a593Smuzhiyun "AP Ext Port PWDB = 0x%lx\n",
54*4882a593Smuzhiyun undec_sm_pwdb);
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
58*4882a593Smuzhiyun rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
59*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
60*4882a593Smuzhiyun "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
61*4882a593Smuzhiyun } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
62*4882a593Smuzhiyun (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
65*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
66*4882a593Smuzhiyun "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
67*4882a593Smuzhiyun } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
68*4882a593Smuzhiyun rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
69*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
70*4882a593Smuzhiyun "TXHIGHPWRLEVEL_NORMAL\n");
71*4882a593Smuzhiyun }
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
74*4882a593Smuzhiyun rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
75*4882a593Smuzhiyun "PHY_SetTxPowerLevel8192S() Channel = %d\n",
76*4882a593Smuzhiyun rtlphy->current_channel);
77*4882a593Smuzhiyun rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
78*4882a593Smuzhiyun if (rtlpriv->dm.dynamic_txhighpower_lvl ==
79*4882a593Smuzhiyun TXHIGHPWRLEVEL_NORMAL)
80*4882a593Smuzhiyun dm_restorepowerindex(hw);
81*4882a593Smuzhiyun else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
82*4882a593Smuzhiyun TXHIGHPWRLEVEL_LEVEL1)
83*4882a593Smuzhiyun dm_writepowerindex(hw, 0x14);
84*4882a593Smuzhiyun else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
85*4882a593Smuzhiyun TXHIGHPWRLEVEL_LEVEL2)
86*4882a593Smuzhiyun dm_writepowerindex(hw, 0x10);
87*4882a593Smuzhiyun }
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
90*4882a593Smuzhiyun }
91