// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2012  Realtek Corporation.*/

#include "../wifi.h"
#include "../base.h"
#include "../core.h"
#include "../rtl8192d/reg.h"
#include "../rtl8192d/def.h"
#include "../rtl8192d/dm_common.h"
#include "../rtl8192d/phy_common.h"
#include "../rtl8192d/fw_common.h"
#include "phy.h"
#include "dm.h"

#define UNDEC_SM_PWDB   entry_min_undec_sm_pwdb

static void rtl92d_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtlpriv->dm.dynamic_txpower_enable = true;
        rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
        rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
}

static void rtl92d_dm_dynamic_txpower(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        long undec_sm_pwdb;

        if ((!rtlpriv->dm.dynamic_txpower_enable)
            || rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
                rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
                return;
        }
        if ((mac->link_state < MAC80211_LINKED) &&
            (rtlpriv->dm.UNDEC_SM_PWDB == 0)) {
                rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
                        "Not connected to any\n");
                rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
                rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
                return;
        }
        if (mac->link_state >= MAC80211_LINKED) {
                if (mac->opmode == NL80211_IFTYPE_ADHOC) {
                        undec_sm_pwdb =
                            rtlpriv->dm.UNDEC_SM_PWDB;
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                                "IBSS Client PWDB = 0x%lx\n",
                                undec_sm_pwdb);
                } else {
                        undec_sm_pwdb =
                            rtlpriv->dm.undec_sm_pwdb;
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                                "STA Default Port PWDB = 0x%lx\n",
                                undec_sm_pwdb);
                }
        } else {
                undec_sm_pwdb =
                    rtlpriv->dm.UNDEC_SM_PWDB;

                rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                        "AP Ext Port PWDB = 0x%lx\n",
                        undec_sm_pwdb);
        }
        if (rtlhal->current_bandtype == BAND_ON_5G) {
                if (undec_sm_pwdb >= 0x33) {
                        rtlpriv->dm.dynamic_txhighpower_lvl =
                                                 TXHIGHPWRLEVEL_LEVEL2;
                        rtl_dbg(rtlpriv, COMP_HIPWR, DBG_LOUD,
                                "5G:TxHighPwrLevel_Level2 (TxPwr=0x0)\n");
                } else if ((undec_sm_pwdb < 0x33)
                           && (undec_sm_pwdb >= 0x2b)) {
                        rtlpriv->dm.dynamic_txhighpower_lvl =
                                                 TXHIGHPWRLEVEL_LEVEL1;
                        rtl_dbg(rtlpriv, COMP_HIPWR, DBG_LOUD,
                                "5G:TxHighPwrLevel_Level1 (TxPwr=0x10)\n");
                } else if (undec_sm_pwdb < 0x2b) {
                        rtlpriv->dm.dynamic_txhighpower_lvl =
                                                 TXHIGHPWRLEVEL_NORMAL;
                        rtl_dbg(rtlpriv, COMP_HIPWR, DBG_LOUD,
                                "5G:TxHighPwrLevel_Normal\n");
                }
        } else {
                if (undec_sm_pwdb >=
                    TX_POWER_NEAR_FIELD_THRESH_LVL2) {
                        rtlpriv->dm.dynamic_txhighpower_lvl =
                                                 TXHIGHPWRLEVEL_LEVEL2;
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                                "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
                } else
                    if ((undec_sm_pwdb <
                         (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3))
                        && (undec_sm_pwdb >=
                            TX_POWER_NEAR_FIELD_THRESH_LVL1)) {

                        rtlpriv->dm.dynamic_txhighpower_lvl =
                                                 TXHIGHPWRLEVEL_LEVEL1;
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                                "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
                } else if (undec_sm_pwdb <
                           (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
                        rtlpriv->dm.dynamic_txhighpower_lvl =
                                                 TXHIGHPWRLEVEL_NORMAL;
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                                "TXHIGHPWRLEVEL_NORMAL\n");
                }
        }
        if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
                rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                        "PHY_SetTxPowerLevel8192S() Channel = %d\n",
                        rtlphy->current_channel);
                rtl92d_phy_set_txpower_level(hw, rtlphy->current_channel);
        }
        rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}

static void rtl92d_dm_pwdb_monitor(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        /* AP & ADHOC & MESH will return tmp */
        if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
                return;
        /* Indicate Rx signal strength to FW. */
        if (rtlpriv->dm.useramask) {
                u32 temp = rtlpriv->dm.undec_sm_pwdb;

                temp <<= 16;
                temp |= 0x100;
                /* fw v12 cmdid 5:use max macid ,for nic ,
                 * default macid is 0 ,max macid is 1 */
                rtl92d_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, (u8 *) (&temp));
        } else {
                rtl_write_byte(rtlpriv, 0x4fe,
                               (u8) rtlpriv->dm.undec_sm_pwdb);
        }
}

void rtl92de_dm_init(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
        rtl_dm_diginit(hw, 0x20);
        rtlpriv->dm_digtable.rx_gain_max = DM_DIG_FA_UPPER;
        rtlpriv->dm_digtable.rx_gain_min = DM_DIG_FA_LOWER;
        rtl92d_dm_init_dynamic_txpower(hw);
        rtl92d_dm_init_edca_turbo(hw);
        rtl92d_dm_init_rate_adaptive_mask(hw);
        rtl92d_dm_initialize_txpower_tracking(hw);
}

void rtl92de_dm_watchdog(struct ieee80211_hw *hw)
{
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        bool fw_current_inpsmode = false;
        bool fwps_awake = true;

        /* 1. RF is OFF. (No need to do DM.)
         * 2. Fw is under power saving mode for FwLPS.
         *    (Prevent from SW/FW I/O racing.)
         * 3. IPS workitem is scheduled. (Prevent from IPS sequence
         *    to be swapped with DM.
         * 4. RFChangeInProgress is TRUE.
         *    (Prevent from broken by IPS/HW/SW Rf off.) */

        if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
            fwps_awake) && (!ppsc->rfchange_inprogress)) {
                rtl92d_dm_pwdb_monitor(hw);
                rtl92d_dm_false_alarm_counter_statistics(hw);
                rtl92d_dm_find_minimum_rssi(hw);
                rtl92d_dm_dig(hw);
                /* rtl92d_dm_dynamic_bb_powersaving(hw); */
                rtl92d_dm_dynamic_txpower(hw);
                /* rtl92d_dm_check_txpower_tracking_thermal_meter(hw); */
                /* rtl92d_dm_refresh_rate_adaptive_mask(hw); */
                /* rtl92d_dm_interrupt_migration(hw); */
                rtl92d_dm_check_edca_turbo(hw);
        }
}