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
11void 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		rtl_dbg(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			rtl_dbg(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			rtl_dbg(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		rtl_dbg(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		rtl_dbg(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		rtl_dbg(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		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
70			"TXHIGHPWRLEVEL_NORMAL\n");
71	}
72
73	if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
74		rtl_dbg(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