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 | |
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 | 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, channel: 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, value: 0x14); |
84 | else if (rtlpriv->dm.dynamic_txhighpower_lvl == |
85 | TXHIGHPWRLEVEL_LEVEL2) |
86 | dm_writepowerindex(hw, value: 0x10); |
87 | } |
88 | |
89 | rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; |
90 | } |
91 | |