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