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
14void 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