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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 13:43:21 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 13:43:21 -0700 |
commit | 06f4e926d256d902dd9a53dcb400fd74974ce087 (patch) | |
tree | 0b438b67f5f0eff6fd617bc497a9dace6164a488 /drivers/net/wireless/rtlwifi/rtl8192se/dm.c | |
parent | 8e7bfcbab3825d1b404d615cb1b54f44ff81f981 (diff) | |
parent | d93515611bbc70c2fe4db232e5feb448ed8e4cc9 (diff) | |
download | op-kernel-dev-06f4e926d256d902dd9a53dcb400fd74974ce087.zip op-kernel-dev-06f4e926d256d902dd9a53dcb400fd74974ce087.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
macvlan: fix panic if lowerdev in a bond
tg3: Add braces around 5906 workaround.
tg3: Fix NETIF_F_LOOPBACK error
macvlan: remove one synchronize_rcu() call
networking: NET_CLS_ROUTE4 depends on INET
irda: Fix error propagation in ircomm_lmp_connect_response()
irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
be2net: Kill set but unused variable 'req' in lancer_fw_download()
irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
isdn: capi: Use pr_debug() instead of ifdefs.
tg3: Update version to 3.119
tg3: Apply rx_discards fix to 5719/5720
...
Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192se/dm.c')
-rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192se/dm.c | 733 |
1 files changed, 733 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/dm.c b/drivers/net/wireless/rtlwifi/rtl8192se/dm.c new file mode 100644 index 0000000..da86db8 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8192se/dm.c @@ -0,0 +1,733 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2010 Realtek Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * wlanfae <wlanfae@realtek.com> + * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, + * Hsinchu 300, Taiwan. + * + * Larry Finger <Larry.Finger@lwfinger.net> + * + *****************************************************************************/ + +#include "../wifi.h" +#include "../base.h" +#include "reg.h" +#include "def.h" +#include "phy.h" +#include "dm.h" +#include "fw.h" + +struct dig_t digtable; +static const u32 edca_setting_dl[PEER_MAX] = { + 0xa44f, /* 0 UNKNOWN */ + 0x5ea44f, /* 1 REALTEK_90 */ + 0x5ea44f, /* 2 REALTEK_92SE */ + 0xa630, /* 3 BROAD */ + 0xa44f, /* 4 RAL */ + 0xa630, /* 5 ATH */ + 0xa630, /* 6 CISCO */ + 0xa42b, /* 7 MARV */ +}; + +static const u32 edca_setting_dl_gmode[PEER_MAX] = { + 0x4322, /* 0 UNKNOWN */ + 0xa44f, /* 1 REALTEK_90 */ + 0x5ea44f, /* 2 REALTEK_92SE */ + 0xa42b, /* 3 BROAD */ + 0x5e4322, /* 4 RAL */ + 0x4322, /* 5 ATH */ + 0xa430, /* 6 CISCO */ + 0x5ea44f, /* 7 MARV */ +}; + +static const u32 edca_setting_ul[PEER_MAX] = { + 0x5e4322, /* 0 UNKNOWN */ + 0xa44f, /* 1 REALTEK_90 */ + 0x5ea44f, /* 2 REALTEK_92SE */ + 0x5ea322, /* 3 BROAD */ + 0x5ea422, /* 4 RAL */ + 0x5ea322, /* 5 ATH */ + 0x3ea44f, /* 6 CISCO */ + 0x5ea44f, /* 7 MARV */ +}; + +static void _rtl92s_dm_check_edca_turbo(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + + static u64 last_txok_cnt; + static u64 last_rxok_cnt; + u64 cur_txok_cnt = 0; + u64 cur_rxok_cnt = 0; + + u32 edca_be_ul = edca_setting_ul[mac->vendor]; + u32 edca_be_dl = edca_setting_dl[mac->vendor]; + u32 edca_gmode = edca_setting_dl_gmode[mac->vendor]; + + if (mac->link_state != MAC80211_LINKED) { + rtlpriv->dm.current_turbo_edca = false; + goto dm_checkedcaturbo_exit; + } + + if ((!rtlpriv->dm.is_any_nonbepkts) && + (!rtlpriv->dm.disable_framebursting)) { + cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt; + cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt; + + if (rtlpriv->phy.rf_type == RF_1T2R) { + if (cur_txok_cnt > 4 * cur_rxok_cnt) { + /* Uplink TP is present. */ + if (rtlpriv->dm.is_cur_rdlstate || + !rtlpriv->dm.current_turbo_edca) { + rtl_write_dword(rtlpriv, EDCAPARA_BE, + edca_be_ul); + rtlpriv->dm.is_cur_rdlstate = false; + } + } else {/* Balance TP is present. */ + if (!rtlpriv->dm.is_cur_rdlstate || + !rtlpriv->dm.current_turbo_edca) { + if (mac->mode == WIRELESS_MODE_G || + mac->mode == WIRELESS_MODE_B) + rtl_write_dword(rtlpriv, + EDCAPARA_BE, + edca_gmode); + else + rtl_write_dword(rtlpriv, + EDCAPARA_BE, + edca_be_dl); + rtlpriv->dm.is_cur_rdlstate = true; + } + } + rtlpriv->dm.current_turbo_edca = true; + } else { + if (cur_rxok_cnt > 4 * cur_txok_cnt) { + if (!rtlpriv->dm.is_cur_rdlstate || + !rtlpriv->dm.current_turbo_edca) { + if (mac->mode == WIRELESS_MODE_G || + mac->mode == WIRELESS_MODE_B) + rtl_write_dword(rtlpriv, + EDCAPARA_BE, + edca_gmode); + else + rtl_write_dword(rtlpriv, + EDCAPARA_BE, + edca_be_dl); + rtlpriv->dm.is_cur_rdlstate = true; + } + } else { + if (rtlpriv->dm.is_cur_rdlstate || + !rtlpriv->dm.current_turbo_edca) { + rtl_write_dword(rtlpriv, EDCAPARA_BE, + edca_be_ul); + rtlpriv->dm.is_cur_rdlstate = false; + } + } + rtlpriv->dm.current_turbo_edca = true; + } + } else { + if (rtlpriv->dm.current_turbo_edca) { + u8 tmp = AC0_BE; + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM, + (u8 *)(&tmp)); + rtlpriv->dm.current_turbo_edca = false; + } + } + +dm_checkedcaturbo_exit: + rtlpriv->dm.is_any_nonbepkts = false; + last_txok_cnt = rtlpriv->stats.txbytesunicast; + last_rxok_cnt = rtlpriv->stats.rxbytesunicast; +} + +static void _rtl92s_dm_txpowertracking_callback_thermalmeter( + struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + u8 thermalvalue = 0; + + rtlpriv->dm.txpower_trackinginit = true; + + thermalvalue = (u8)rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f); + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x " + "eeprom_thermalmeter 0x%x\n", thermalvalue, + rtlpriv->dm.thermalvalue, rtlefuse->eeprom_thermalmeter)); + + if (thermalvalue) { + rtlpriv->dm.thermalvalue = thermalvalue; + rtl92s_phy_set_fw_cmd(hw, FW_CMD_TXPWR_TRACK_THERMAL); + } + + rtlpriv->dm.txpowercount = 0; +} + +static void _rtl92s_dm_check_txpowertracking_thermalmeter( + struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + static u8 tm_trigger; + u8 tx_power_checkcnt = 5; + + /* 2T2R TP issue */ + if (rtlphy->rf_type == RF_2T2R) + return; + + if (!rtlpriv->dm.txpower_tracking) + return; + + if (rtlpriv->dm.txpowercount <= tx_power_checkcnt) { + rtlpriv->dm.txpowercount++; + return; + } + + if (!tm_trigger) { + rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, + RFREG_OFFSET_MASK, 0x60); + tm_trigger = 1; + } else { + _rtl92s_dm_txpowertracking_callback_thermalmeter(hw); + tm_trigger = 0; + } +} + +static void _rtl92s_dm_refresh_rateadaptive_mask(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rate_adaptive *ra = &(rtlpriv->ra); + + u32 low_rssi_thresh = 0; + u32 middle_rssi_thresh = 0; + u32 high_rssi_thresh = 0; + u8 rssi_level; + struct ieee80211_sta *sta = NULL; + + if (is_hal_stop(rtlhal)) + return; + + if (!rtlpriv->dm.useramask) + return; + + if (!rtlpriv->dm.inform_fw_driverctrldm) { + rtl92s_phy_set_fw_cmd(hw, FW_CMD_CTRL_DM_BY_DRIVER); + rtlpriv->dm.inform_fw_driverctrldm = true; + } + + rcu_read_lock(); + if (mac->opmode == NL80211_IFTYPE_STATION) + sta = get_sta(hw, mac->vif, mac->bssid); + if ((mac->link_state == MAC80211_LINKED) && + (mac->opmode == NL80211_IFTYPE_STATION)) { + switch (ra->pre_ratr_state) { + case DM_RATR_STA_HIGH: + high_rssi_thresh = 40; + middle_rssi_thresh = 30; + low_rssi_thresh = 20; + break; + case DM_RATR_STA_MIDDLE: + high_rssi_thresh = 44; + middle_rssi_thresh = 30; + low_rssi_thresh = 20; + break; + case DM_RATR_STA_LOW: + high_rssi_thresh = 44; + middle_rssi_thresh = 34; + low_rssi_thresh = 20; + break; + case DM_RATR_STA_ULTRALOW: + high_rssi_thresh = 44; + middle_rssi_thresh = 34; + low_rssi_thresh = 24; + break; + default: + high_rssi_thresh = 44; + middle_rssi_thresh = 34; + low_rssi_thresh = 24; + break; + } + + if (rtlpriv->dm.undecorated_smoothed_pwdb > + (long)high_rssi_thresh) { + ra->ratr_state = DM_RATR_STA_HIGH; + rssi_level = 1; + } else if (rtlpriv->dm.undecorated_smoothed_pwdb > + (long)middle_rssi_thresh) { + ra->ratr_state = DM_RATR_STA_LOW; + rssi_level = 3; + } else if (rtlpriv->dm.undecorated_smoothed_pwdb > + (long)low_rssi_thresh) { + ra->ratr_state = DM_RATR_STA_LOW; + rssi_level = 5; + } else { + ra->ratr_state = DM_RATR_STA_ULTRALOW; + rssi_level = 6; + } + + if (ra->pre_ratr_state != ra->ratr_state) { + RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, ("RSSI = %ld " + "RSSI_LEVEL = %d PreState = %d, CurState = %d\n", + rtlpriv->dm.undecorated_smoothed_pwdb, + ra->ratr_state, + ra->pre_ratr_state, ra->ratr_state)); + + rtlpriv->cfg->ops->update_rate_tbl(hw, sta, + ra->ratr_state); + ra->pre_ratr_state = ra->ratr_state; + } + } + rcu_read_unlock(); +} + +static void _rtl92s_dm_switch_baseband_mrc(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + bool current_mrc; + bool enable_mrc = true; + long tmpentry_maxpwdb = 0; + u8 rssi_a = 0; + u8 rssi_b = 0; + + if (is_hal_stop(rtlhal)) + return; + + if ((rtlphy->rf_type == RF_1T1R) || (rtlphy->rf_type == RF_2T2R)) + return; + + rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_MRC, (u8 *)(¤t_mrc)); + + if (mac->link_state >= MAC80211_LINKED) { + if (rtlpriv->dm.undecorated_smoothed_pwdb > tmpentry_maxpwdb) { + rssi_a = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_A]; + rssi_b = rtlpriv->stats.rx_rssi_percentage[RF90_PATH_B]; + } + } + + /* MRC settings would NOT affect TP on Wireless B mode. */ + if (mac->mode != WIRELESS_MODE_B) { + if ((rssi_a == 0) && (rssi_b == 0)) { + enable_mrc = true; + } else if (rssi_b > 30) { + /* Turn on B-Path */ + enable_mrc = true; + } else if (rssi_b < 5) { + /* Turn off B-path */ + enable_mrc = false; + /* Take care of RSSI differentiation. */ + } else if (rssi_a > 15 && (rssi_a >= rssi_b)) { + if ((rssi_a - rssi_b) > 15) + /* Turn off B-path */ + enable_mrc = false; + else if ((rssi_a - rssi_b) < 10) + /* Turn on B-Path */ + enable_mrc = true; + else + enable_mrc = current_mrc; + } else { + /* Turn on B-Path */ + enable_mrc = true; + } + } + + /* Update MRC settings if needed. */ + if (enable_mrc != current_mrc) + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MRC, + (u8 *)&enable_mrc); + +} + +void rtl92s_dm_init_edca_turbo(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.current_turbo_edca = false; + rtlpriv->dm.is_any_nonbepkts = false; + rtlpriv->dm.is_cur_rdlstate = false; +} + +static void _rtl92s_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rate_adaptive *ra = &(rtlpriv->ra); + + ra->ratr_state = DM_RATR_STA_MAX; + ra->pre_ratr_state = DM_RATR_STA_MAX; + + if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) + rtlpriv->dm.useramask = true; + else + rtlpriv->dm.useramask = false; + + rtlpriv->dm.useramask = false; + rtlpriv->dm.inform_fw_driverctrldm = false; +} + +static void _rtl92s_dm_init_txpowertracking_thermalmeter( + struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.txpower_tracking = true; + rtlpriv->dm.txpowercount = 0; + rtlpriv->dm.txpower_trackinginit = false; +} + +static void _rtl92s_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt); + u32 ret_value; + + ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD); + falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16); + + ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD); + falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff); + falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16); + ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD); + falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff); + + falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail + + falsealm_cnt->cnt_rate_illegal + falsealm_cnt->cnt_crc8_fail + + falsealm_cnt->cnt_mcs_fail; + + /* read CCK false alarm */ + ret_value = rtl_get_bbreg(hw, 0xc64, MASKDWORD); + falsealm_cnt->cnt_cck_fail = (ret_value & 0xffff); + falsealm_cnt->cnt_all = falsealm_cnt->cnt_ofdm_fail + + falsealm_cnt->cnt_cck_fail; +} + +static void rtl92s_backoff_enable_flag(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt); + + if (falsealm_cnt->cnt_all > digtable.fa_highthresh) { + if ((digtable.backoff_val - 6) < + digtable.backoffval_range_min) + digtable.backoff_val = digtable.backoffval_range_min; + else + digtable.backoff_val -= 6; + } else if (falsealm_cnt->cnt_all < digtable.fa_lowthresh) { + if ((digtable.backoff_val + 6) > + digtable.backoffval_range_max) + digtable.backoff_val = + digtable.backoffval_range_max; + else + digtable.backoff_val += 6; + } +} + +static void _rtl92s_dm_initial_gain_sta_beforeconnect(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt); + static u8 initialized, force_write; + u8 initial_gain = 0; + + if ((digtable.pre_sta_connectstate == digtable.cur_sta_connectstate) || + (digtable.cur_sta_connectstate == DIG_STA_BEFORE_CONNECT)) { + if (digtable.cur_sta_connectstate == DIG_STA_BEFORE_CONNECT) { + if (rtlpriv->psc.rfpwr_state != ERFON) + return; + + if (digtable.backoff_enable_flag == true) + rtl92s_backoff_enable_flag(hw); + else + digtable.backoff_val = DM_DIG_BACKOFF; + + if ((digtable.rssi_val + 10 - digtable.backoff_val) > + digtable.rx_gain_range_max) + digtable.cur_igvalue = + digtable.rx_gain_range_max; + else if ((digtable.rssi_val + 10 - digtable.backoff_val) + < digtable.rx_gain_range_min) + digtable.cur_igvalue = + digtable.rx_gain_range_min; + else + digtable.cur_igvalue = digtable.rssi_val + 10 - + digtable.backoff_val; + + if (falsealm_cnt->cnt_all > 10000) + digtable.cur_igvalue = + (digtable.cur_igvalue > 0x33) ? + digtable.cur_igvalue : 0x33; + + if (falsealm_cnt->cnt_all > 16000) + digtable.cur_igvalue = + digtable.rx_gain_range_max; + /* connected -> connected or disconnected -> disconnected */ + } else { + /* Firmware control DIG, do nothing in driver dm */ + return; + } + /* disconnected -> connected or connected -> + * disconnected or beforeconnect->(dis)connected */ + } else { + /* Enable FW DIG */ + digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_ENABLE); + + digtable.backoff_val = DM_DIG_BACKOFF; + digtable.cur_igvalue = rtlpriv->phy.default_initialgain[0]; + digtable.pre_igvalue = 0; + return; + } + + /* Forced writing to prevent from fw-dig overwriting. */ + if (digtable.pre_igvalue != rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, + MASKBYTE0)) + force_write = 1; + + if ((digtable.pre_igvalue != digtable.cur_igvalue) || + !initialized || force_write) { + /* Disable FW DIG */ + rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_DISABLE); + + initial_gain = (u8)digtable.cur_igvalue; + + /* Set initial gain. */ + rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0, initial_gain); + rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0, initial_gain); + digtable.pre_igvalue = digtable.cur_igvalue; + initialized = 1; + force_write = 0; + } +} + +static void _rtl92s_dm_ctrl_initgain_bytwoport(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + if (rtlpriv->mac80211.act_scanning) + return; + + /* Decide the current status and if modify initial gain or not */ + if (rtlpriv->mac80211.link_state >= MAC80211_LINKED || + rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC) + digtable.cur_sta_connectstate = DIG_STA_CONNECT; + else + digtable.cur_sta_connectstate = DIG_STA_DISCONNECT; + + digtable.rssi_val = rtlpriv->dm.undecorated_smoothed_pwdb; + + /* Change dig mode to rssi */ + if (digtable.cur_sta_connectstate != DIG_STA_DISCONNECT) { + if (digtable.dig_twoport_algorithm == + DIG_TWO_PORT_ALGO_FALSE_ALARM) { + digtable.dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI; + rtl92s_phy_set_fw_cmd(hw, FW_CMD_DIG_MODE_SS); + } + } + + _rtl92s_dm_false_alarm_counter_statistics(hw); + _rtl92s_dm_initial_gain_sta_beforeconnect(hw); + + digtable.pre_sta_connectstate = digtable.cur_sta_connectstate; +} + +static void _rtl92s_dm_ctrl_initgain_byrssi(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + + /* 2T2R TP issue */ + if (rtlphy->rf_type == RF_2T2R) + return; + + if (!rtlpriv->dm.dm_initialgain_enable) + return; + + if (digtable.dig_enable_flag == false) + return; + + _rtl92s_dm_ctrl_initgain_bytwoport(hw); +} + +static void _rtl92s_dm_dynamic_txpower(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + long undecorated_smoothed_pwdb; + long txpwr_threshold_lv1, txpwr_threshold_lv2; + + /* 2T2R TP issue */ + if (rtlphy->rf_type == RF_2T2R) + return; + + if (!rtlpriv->dm.dynamic_txpower_enable || + rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) { + rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL; + return; + } + + if ((mac->link_state < MAC80211_LINKED) && + (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) { + RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, + ("Not connected to any\n")); + + rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL; + + rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL; + return; + } + + if (mac->link_state >= MAC80211_LINKED) { + if (mac->opmode == NL80211_IFTYPE_ADHOC) { + undecorated_smoothed_pwdb = + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + ("AP Client PWDB = 0x%lx\n", + undecorated_smoothed_pwdb)); + } else { + undecorated_smoothed_pwdb = + rtlpriv->dm.undecorated_smoothed_pwdb; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + ("STA Default Port PWDB = 0x%lx\n", + undecorated_smoothed_pwdb)); + } + } else { + undecorated_smoothed_pwdb = + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; + + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + ("AP Ext Port PWDB = 0x%lx\n", + undecorated_smoothed_pwdb)); + } + + txpwr_threshold_lv2 = TX_POWER_NEAR_FIELD_THRESH_LVL2; + txpwr_threshold_lv1 = TX_POWER_NEAR_FIELD_THRESH_LVL1; + + if (rtl_get_bbreg(hw, 0xc90, MASKBYTE0) == 1) + rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL; + else if (undecorated_smoothed_pwdb >= txpwr_threshold_lv2) + rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL2; + else if ((undecorated_smoothed_pwdb < (txpwr_threshold_lv2 - 3)) && + (undecorated_smoothed_pwdb >= txpwr_threshold_lv1)) + rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL1; + else if (undecorated_smoothed_pwdb < (txpwr_threshold_lv1 - 3)) + rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL; + + if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) + rtl92s_phy_set_txpower(hw, rtlphy->current_channel); + + rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; +} + +static void _rtl92s_dm_init_dig(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + /* Disable DIG scheme now.*/ + digtable.dig_enable_flag = true; + digtable.backoff_enable_flag = true; + + if ((rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) && + (hal_get_firmwareversion(rtlpriv) >= 0x3c)) + digtable.dig_algorithm = DIG_ALGO_BY_TOW_PORT; + else + digtable.dig_algorithm = + DIG_ALGO_BEFORE_CONNECT_BY_RSSI_AND_ALARM; + + digtable.dig_twoport_algorithm = DIG_TWO_PORT_ALGO_RSSI; + digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + /* off=by real rssi value, on=by digtable.rssi_val for new dig */ + digtable.dig_dbgmode = DM_DBG_OFF; + digtable.dig_slgorithm_switch = 0; + + /* 2007/10/04 MH Define init gain threshol. */ + digtable.dig_state = DM_STA_DIG_MAX; + digtable.dig_highpwrstate = DM_STA_DIG_MAX; + + digtable.cur_sta_connectstate = DIG_STA_DISCONNECT; + digtable.pre_sta_connectstate = DIG_STA_DISCONNECT; + digtable.cur_ap_connectstate = DIG_AP_DISCONNECT; + digtable.pre_ap_connectstate = DIG_AP_DISCONNECT; + + digtable.rssi_lowthresh = DM_DIG_THRESH_LOW; + digtable.rssi_highthresh = DM_DIG_THRESH_HIGH; + + digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW; + digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH; + + digtable.rssi_highpower_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW; + digtable.rssi_highpower_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH; + + /* for dig debug rssi value */ + digtable.rssi_val = 50; + digtable.backoff_val = DM_DIG_BACKOFF; + digtable.rx_gain_range_max = DM_DIG_MAX; + + digtable.rx_gain_range_min = DM_DIG_MIN; + + digtable.backoffval_range_max = DM_DIG_BACKOFF_MAX; + digtable.backoffval_range_min = DM_DIG_BACKOFF_MIN; +} + +static void _rtl92s_dm_init_dynamic_txpower(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + if ((hal_get_firmwareversion(rtlpriv) >= 60) && + (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)) + rtlpriv->dm.dynamic_txpower_enable = true; + else + rtlpriv->dm.dynamic_txpower_enable = false; + + rtlpriv->dm.last_dtp_lvl = TX_HIGHPWR_LEVEL_NORMAL; + rtlpriv->dm.dynamic_txhighpower_lvl = TX_HIGHPWR_LEVEL_NORMAL; +} + +void rtl92s_dm_init(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER; + rtlpriv->dm.undecorated_smoothed_pwdb = -1; + + _rtl92s_dm_init_dynamic_txpower(hw); + rtl92s_dm_init_edca_turbo(hw); + _rtl92s_dm_init_rate_adaptive_mask(hw); + _rtl92s_dm_init_txpowertracking_thermalmeter(hw); + _rtl92s_dm_init_dig(hw); + + rtl_write_dword(rtlpriv, WFM5, FW_CCA_CHK_ENABLE); +} + +void rtl92s_dm_watchdog(struct ieee80211_hw *hw) +{ + _rtl92s_dm_check_edca_turbo(hw); + _rtl92s_dm_check_txpowertracking_thermalmeter(hw); + _rtl92s_dm_ctrl_initgain_byrssi(hw); + _rtl92s_dm_dynamic_txpower(hw); + _rtl92s_dm_refresh_rateadaptive_mask(hw); + _rtl92s_dm_switch_baseband_mrc(hw); +} + |