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 "../pci.h"
7 #include "../core.h"
8 #include "reg.h"
9 #include "def.h"
10 #include "phy.h"
11 #include "dm.h"
12 #include "../rtl8192c/fw_common.h"
13
rtl92ce_dm_dynamic_txpower(struct ieee80211_hw * hw)14 void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw)
15 {
16 struct rtl_priv *rtlpriv = rtl_priv(hw);
17 struct rtl_phy *rtlphy = &(rtlpriv->phy);
18 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
19 long undec_sm_pwdb;
20
21 if (!rtlpriv->dm.dynamic_txpower_enable)
22 return;
23
24 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
25 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
26 return;
27 }
28
29 if ((mac->link_state < MAC80211_LINKED) &&
30 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
31 rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
32 "Not connected to any\n");
33
34 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
35
36 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
37 return;
38 }
39
40 if (mac->link_state >= MAC80211_LINKED) {
41 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
42 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
43 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
44 "AP Client PWDB = 0x%lx\n",
45 undec_sm_pwdb);
46 } else {
47 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
48 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
49 "STA Default Port PWDB = 0x%lx\n",
50 undec_sm_pwdb);
51 }
52 } else {
53 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
54
55 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
56 "AP Ext Port PWDB = 0x%lx\n",
57 undec_sm_pwdb);
58 }
59
60 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
61 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
62 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
63 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
64 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
65 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
66
67 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
68 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
69 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
70 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
71 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
72 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
73 "TXHIGHPWRLEVEL_NORMAL\n");
74 }
75
76 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
77 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
78 "PHY_SetTxPowerLevel8192S() Channel = %d\n",
79 rtlphy->current_channel);
80 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
81 }
82
83 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
84 }
85