| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. |
| * |
| * Contact Information: wlanfae <wlanfae@realtek.com> |
| */ |
| #include "rtl_core.h" |
| #include "rtl_dm.h" |
| #include "r8192E_hw.h" |
| #include "r8192E_phy.h" |
| #include "r8192E_phyreg.h" |
| #include "r8190P_rtl8256.h" |
| #include "r8192E_cmdpkt.h" |
| |
| /*---------------------------Define Local Constant---------------------------*/ |
| static u32 edca_setting_DL[HT_IOT_PEER_MAX] = { |
| 0x5e4322, |
| 0x5e4322, |
| 0x5ea44f, |
| 0x5e4322, |
| 0x604322, |
| 0xa44f, |
| 0x5e4322, |
| 0x5e4332 |
| }; |
| |
| static u32 edca_setting_DL_GMode[HT_IOT_PEER_MAX] = { |
| 0x5e4322, |
| 0x5e4322, |
| 0x5e4322, |
| 0x5e4322, |
| 0x604322, |
| 0xa44f, |
| 0x5e4322, |
| 0x5e4322 |
| }; |
| |
| static u32 edca_setting_UL[HT_IOT_PEER_MAX] = { |
| 0x5e4322, |
| 0xa44f, |
| 0x5ea44f, |
| 0x5e4322, |
| 0x604322, |
| 0x5e4322, |
| 0x5e4322, |
| 0x5e4332 |
| }; |
| |
| const u32 dm_tx_bb_gain[TX_BB_GAIN_TABLE_LEN] = { |
| 0x7f8001fe, /* 12 dB */ |
| 0x788001e2, /* 11 dB */ |
| 0x71c001c7, |
| 0x6b8001ae, |
| 0x65400195, |
| 0x5fc0017f, |
| 0x5a400169, |
| 0x55400155, |
| 0x50800142, |
| 0x4c000130, |
| 0x47c0011f, |
| 0x43c0010f, |
| 0x40000100, |
| 0x3c8000f2, |
| 0x390000e4, |
| 0x35c000d7, |
| 0x32c000cb, |
| 0x300000c0, |
| 0x2d4000b5, |
| 0x2ac000ab, |
| 0x288000a2, |
| 0x26000098, |
| 0x24000090, |
| 0x22000088, |
| 0x20000080, |
| 0x1a00006c, |
| 0x1c800072, |
| 0x18000060, |
| 0x19800066, |
| 0x15800056, |
| 0x26c0005b, |
| 0x14400051, |
| 0x24400051, |
| 0x1300004c, |
| 0x12000048, |
| 0x11000044, |
| 0x10000040, /* -24 dB */ |
| }; |
| |
| const u8 dm_cck_tx_bb_gain[CCK_TX_BB_GAIN_TABLE_LEN][8] = { |
| {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, |
| {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, |
| {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, |
| {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, |
| {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, |
| {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, |
| {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, |
| {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, |
| {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, |
| {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, |
| {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, |
| {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, |
| {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, |
| {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, |
| {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, |
| {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, |
| {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, |
| {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, |
| {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, |
| {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, |
| {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, |
| {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, |
| {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01} |
| }; |
| |
| const u8 dm_cck_tx_bb_gain_ch14[CCK_TX_BB_GAIN_TABLE_LEN][8] = { |
| {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, |
| {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, |
| {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, |
| {0x2d, 0x2d, 0x27, 0x17, 0x00, 0x00, 0x00, 0x00}, |
| {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, |
| {0x28, 0x28, 0x22, 0x14, 0x00, 0x00, 0x00, 0x00}, |
| {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, |
| {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, |
| {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, |
| {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, |
| {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, |
| {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, |
| {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, |
| {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, |
| {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, |
| {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, |
| {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, |
| {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, |
| {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, |
| {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, |
| {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, |
| {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, |
| {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00} |
| }; |
| |
| /*---------------------------Define Local Constant---------------------------*/ |
| |
| |
| /*------------------------Define global variable-----------------------------*/ |
| struct dig_t dm_digtable; |
| |
| struct drx_path_sel dm_rx_path_sel_table; |
| /*------------------------Define global variable-----------------------------*/ |
| |
| |
| /*------------------------Define local variable------------------------------*/ |
| /*------------------------Define local variable------------------------------*/ |
| |
| |
| |
| /*---------------------Define local function prototype-----------------------*/ |
| static void _rtl92e_dm_check_rate_adaptive(struct net_device *dev); |
| |
| static void _rtl92e_dm_init_bandwidth_autoswitch(struct net_device *dev); |
| static void _rtl92e_dm_bandwidth_autoswitch(struct net_device *dev); |
| |
| static void _rtl92e_dm_check_tx_power_tracking(struct net_device *dev); |
| |
| static void _rtl92e_dm_dig_init(struct net_device *dev); |
| static void _rtl92e_dm_ctrl_initgain_byrssi(struct net_device *dev); |
| static void _rtl92e_dm_ctrl_initgain_byrssi_driver(struct net_device *dev); |
| static void _rtl92e_dm_initial_gain(struct net_device *dev); |
| static void _rtl92e_dm_pd_th(struct net_device *dev); |
| static void _rtl92e_dm_cs_ratio(struct net_device *dev); |
| |
| static void _rtl92e_dm_init_cts_to_self(struct net_device *dev); |
| |
| static void _rtl92e_dm_check_edca_turbo(struct net_device *dev); |
| static void _rtl92e_dm_check_rx_path_selection(struct net_device *dev); |
| static void _rtl92e_dm_init_rx_path_selection(struct net_device *dev); |
| static void _rtl92e_dm_rx_path_sel_byrssi(struct net_device *dev); |
| |
| static void _rtl92e_dm_init_fsync(struct net_device *dev); |
| static void _rtl92e_dm_deinit_fsync(struct net_device *dev); |
| |
| static void _rtl92e_dm_check_txrateandretrycount(struct net_device *dev); |
| static void _rtl92e_dm_check_fsync(struct net_device *dev); |
| static void _rtl92e_dm_check_rf_ctrl_gpio(void *data); |
| static void _rtl92e_dm_fsync_timer_callback(struct timer_list *t); |
| |
| /*---------------------Define local function prototype-----------------------*/ |
| |
| static void _rtl92e_dm_init_dynamic_tx_power(struct net_device *dev); |
| static void _rtl92e_dm_dynamic_tx_power(struct net_device *dev); |
| |
| static void _rtl92e_dm_send_rssi_to_fw(struct net_device *dev); |
| static void _rtl92e_dm_cts_to_self(struct net_device *dev); |
| /*---------------------------Define function prototype------------------------*/ |
| |
| void rtl92e_dm_init(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| priv->undecorated_smoothed_pwdb = -1; |
| |
| _rtl92e_dm_init_dynamic_tx_power(dev); |
| |
| rtl92e_init_adaptive_rate(dev); |
| |
| _rtl92e_dm_dig_init(dev); |
| rtl92e_dm_init_edca_turbo(dev); |
| _rtl92e_dm_init_bandwidth_autoswitch(dev); |
| _rtl92e_dm_init_fsync(dev); |
| _rtl92e_dm_init_rx_path_selection(dev); |
| _rtl92e_dm_init_cts_to_self(dev); |
| |
| INIT_DELAYED_WORK(&priv->gpio_change_rf_wq, (void *)_rtl92e_dm_check_rf_ctrl_gpio); |
| } |
| |
| void rtl92e_dm_deinit(struct net_device *dev) |
| { |
| _rtl92e_dm_deinit_fsync(dev); |
| } |
| |
| void rtl92e_dm_watchdog(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| if (priv->being_init_adapter) |
| return; |
| |
| _rtl92e_dm_check_txrateandretrycount(dev); |
| _rtl92e_dm_check_edca_turbo(dev); |
| |
| _rtl92e_dm_check_rate_adaptive(dev); |
| _rtl92e_dm_dynamic_tx_power(dev); |
| _rtl92e_dm_check_tx_power_tracking(dev); |
| |
| _rtl92e_dm_ctrl_initgain_byrssi(dev); |
| _rtl92e_dm_bandwidth_autoswitch(dev); |
| |
| _rtl92e_dm_check_rx_path_selection(dev); |
| _rtl92e_dm_check_fsync(dev); |
| |
| _rtl92e_dm_send_rssi_to_fw(dev); |
| _rtl92e_dm_cts_to_self(dev); |
| } |
| |
| void rtl92e_init_adaptive_rate(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| struct rate_adaptive *pra = &priv->rate_adaptive; |
| |
| pra->ratr_state = DM_RATR_STA_MAX; |
| pra->high2low_rssi_thresh_for_ra = RATE_ADAPTIVE_TH_HIGH; |
| pra->low2high_rssi_thresh_for_ra20M = RATE_ADAPTIVE_TH_LOW_20M + 5; |
| pra->low2high_rssi_thresh_for_ra40M = RATE_ADAPTIVE_TH_LOW_40M + 5; |
| |
| pra->high_rssi_thresh_for_ra = RATE_ADAPTIVE_TH_HIGH + 5; |
| pra->low_rssi_thresh_for_ra20M = RATE_ADAPTIVE_TH_LOW_20M; |
| pra->low_rssi_thresh_for_ra40M = RATE_ADAPTIVE_TH_LOW_40M; |
| |
| if (priv->customer_id == RT_CID_819X_NETCORE) |
| pra->ping_rssi_enable = 1; |
| else |
| pra->ping_rssi_enable = 0; |
| pra->ping_rssi_thresh_for_ra = 15; |
| |
| pra->upper_rssi_threshold_ratr = 0x000fc000; |
| pra->middle_rssi_threshold_ratr = 0x000ff000; |
| pra->low_rssi_threshold_ratr = 0x000ff001; |
| pra->low_rssi_threshold_ratr_40M = 0x000ff005; |
| pra->low_rssi_threshold_ratr_20M = 0x000ff001; |
| pra->ping_rssi_ratr = 0x0000000d; |
| } |
| |
| static void _rtl92e_dm_check_rate_adaptive(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| struct rt_hi_throughput *ht_info = priv->rtllib->ht_info; |
| struct rate_adaptive *pra = &priv->rate_adaptive; |
| u32 current_ratr, target_ratr = 0; |
| u32 low_rssi_thresh_for_ra = 0, high_rssi_thresh_for_ra = 0; |
| bool bshort_gi_enabled = false; |
| static u8 ping_rssi_state; |
| |
| if (!priv->up) |
| return; |
| |
| if (priv->rtllib->mode != WIRELESS_MODE_N_24G) |
| return; |
| |
| if (priv->rtllib->link_state == MAC80211_LINKED) { |
| bshort_gi_enabled = (ht_info->cur_tx_bw40mhz && |
| ht_info->cur_short_gi_40mhz) || |
| (!ht_info->cur_tx_bw40mhz && |
| ht_info->cur_short_gi_20mhz); |
| |
| pra->upper_rssi_threshold_ratr = |
| (pra->upper_rssi_threshold_ratr & (~BIT(31))) | |
| ((bshort_gi_enabled) ? BIT(31) : 0); |
| |
| pra->middle_rssi_threshold_ratr = |
| (pra->middle_rssi_threshold_ratr & (~BIT(31))) | |
| ((bshort_gi_enabled) ? BIT(31) : 0); |
| |
| if (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) { |
| pra->low_rssi_threshold_ratr = |
| (pra->low_rssi_threshold_ratr_40M & (~BIT(31))) | |
| ((bshort_gi_enabled) ? BIT(31) : 0); |
| } else { |
| pra->low_rssi_threshold_ratr = |
| (pra->low_rssi_threshold_ratr_20M & (~BIT(31))) | |
| ((bshort_gi_enabled) ? BIT(31) : 0); |
| } |
| pra->ping_rssi_ratr = |
| (pra->ping_rssi_ratr & (~BIT(31))) | |
| ((bshort_gi_enabled) ? BIT(31) : 0); |
| |
| if (pra->ratr_state == DM_RATR_STA_HIGH) { |
| high_rssi_thresh_for_ra = pra->high2low_rssi_thresh_for_ra; |
| low_rssi_thresh_for_ra = (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) ? |
| (pra->low_rssi_thresh_for_ra40M) : (pra->low_rssi_thresh_for_ra20M); |
| } else if (pra->ratr_state == DM_RATR_STA_LOW) { |
| high_rssi_thresh_for_ra = pra->high_rssi_thresh_for_ra; |
| low_rssi_thresh_for_ra = (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) ? |
| (pra->low2high_rssi_thresh_for_ra40M) : (pra->low2high_rssi_thresh_for_ra20M); |
| } else { |
| high_rssi_thresh_for_ra = pra->high_rssi_thresh_for_ra; |
| low_rssi_thresh_for_ra = (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) ? |
| (pra->low_rssi_thresh_for_ra40M) : (pra->low_rssi_thresh_for_ra20M); |
| } |
| |
| if (priv->undecorated_smoothed_pwdb >= |
| (long)high_rssi_thresh_for_ra) { |
| pra->ratr_state = DM_RATR_STA_HIGH; |
| target_ratr = pra->upper_rssi_threshold_ratr; |
| } else if (priv->undecorated_smoothed_pwdb >= |
| (long)low_rssi_thresh_for_ra) { |
| pra->ratr_state = DM_RATR_STA_MIDDLE; |
| target_ratr = pra->middle_rssi_threshold_ratr; |
| } else { |
| pra->ratr_state = DM_RATR_STA_LOW; |
| target_ratr = pra->low_rssi_threshold_ratr; |
| } |
| |
| if (pra->ping_rssi_enable) { |
| if (priv->undecorated_smoothed_pwdb < |
| (long)(pra->ping_rssi_thresh_for_ra + 5)) { |
| if ((priv->undecorated_smoothed_pwdb < |
| (long)pra->ping_rssi_thresh_for_ra) || |
| ping_rssi_state) { |
| pra->ratr_state = DM_RATR_STA_LOW; |
| target_ratr = pra->ping_rssi_ratr; |
| ping_rssi_state = 1; |
| } |
| } else { |
| ping_rssi_state = 0; |
| } |
| } |
| |
| if (priv->rtllib->GetHalfNmodeSupportByAPsHandler(dev)) |
| target_ratr &= 0xf00fffff; |
| |
| current_ratr = rtl92e_readl(dev, RATR0); |
| if (target_ratr != current_ratr) { |
| u32 ratr_value; |
| |
| ratr_value = target_ratr; |
| ratr_value &= ~(RATE_ALL_OFDM_2SS); |
| rtl92e_writel(dev, RATR0, ratr_value); |
| rtl92e_writeb(dev, UFWP, 1); |
| } |
| |
| } else { |
| pra->ratr_state = DM_RATR_STA_MAX; |
| } |
| } |
| |
| static void _rtl92e_dm_init_bandwidth_autoswitch(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| priv->rtllib->bandwidth_auto_switch.threshold_20Mhzto40Mhz = BW_AUTO_SWITCH_LOW_HIGH; |
| priv->rtllib->bandwidth_auto_switch.threshold_40Mhzto20Mhz = BW_AUTO_SWITCH_HIGH_LOW; |
| priv->rtllib->bandwidth_auto_switch.bforced_tx20Mhz = false; |
| priv->rtllib->bandwidth_auto_switch.bautoswitch_enable = false; |
| } |
| |
| static void _rtl92e_dm_bandwidth_autoswitch(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| if (priv->current_chnl_bw == HT_CHANNEL_WIDTH_20 || |
| !priv->rtllib->bandwidth_auto_switch.bautoswitch_enable) |
| return; |
| if (!priv->rtllib->bandwidth_auto_switch.bforced_tx20Mhz) { |
| if (priv->undecorated_smoothed_pwdb <= |
| priv->rtllib->bandwidth_auto_switch.threshold_40Mhzto20Mhz) |
| priv->rtllib->bandwidth_auto_switch.bforced_tx20Mhz = true; |
| } else { |
| if (priv->undecorated_smoothed_pwdb >= |
| priv->rtllib->bandwidth_auto_switch.threshold_20Mhzto40Mhz) |
| priv->rtllib->bandwidth_auto_switch.bforced_tx20Mhz = false; |
| } |
| } |
| |
| static u32 OFDMSwingTable[OFDM_TABLE_LEN] = { |
| 0x7f8001fe, |
| 0x71c001c7, |
| 0x65400195, |
| 0x5a400169, |
| 0x50800142, |
| 0x47c0011f, |
| 0x40000100, |
| 0x390000e4, |
| 0x32c000cb, |
| 0x2d4000b5, |
| 0x288000a2, |
| 0x24000090, |
| 0x20000080, |
| 0x1c800072, |
| 0x19800066, |
| 0x26c0005b, |
| 0x24400051, |
| 0x12000048, |
| 0x10000040 |
| }; |
| |
| static u8 CCKSwingTable_Ch1_Ch13[CCK_TABLE_LEN][8] = { |
| {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, |
| {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, |
| {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, |
| {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, |
| {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, |
| {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, |
| {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, |
| {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, |
| {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, |
| {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, |
| {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, |
| {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01} |
| }; |
| |
| static u8 CCKSwingTable_Ch14[CCK_TABLE_LEN][8] = { |
| {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, |
| {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, |
| {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, |
| {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, |
| {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, |
| {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, |
| {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, |
| {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, |
| {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, |
| {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, |
| {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, |
| {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00} |
| }; |
| |
| #define Pw_Track_Flag 0x11d |
| #define Tssi_Mea_Value 0x13c |
| #define Tssi_Report_Value1 0x134 |
| #define Tssi_Report_Value2 0x13e |
| #define FW_Busy_Flag 0x13f |
| |
| static void _rtl92e_dm_tx_update_tssi_weak_signal(struct net_device *dev) |
| { |
| struct r8192_priv *p = rtllib_priv(dev); |
| |
| if (p->rfa_txpowertrackingindex > 0) { |
| p->rfa_txpowertrackingindex--; |
| if (p->rfa_txpowertrackingindex_real > 4) { |
| p->rfa_txpowertrackingindex_real--; |
| rtl92e_set_bb_reg(dev, |
| rOFDM0_XATxIQImbalance, |
| bMaskDWord, |
| dm_tx_bb_gain[p->rfa_txpowertrackingindex_real]); |
| } |
| } else { |
| rtl92e_set_bb_reg(dev, rOFDM0_XATxIQImbalance, |
| bMaskDWord, dm_tx_bb_gain[4]); |
| } |
| } |
| |
| static void _rtl92e_dm_tx_update_tssi_strong_signal(struct net_device *dev) |
| { |
| struct r8192_priv *p = rtllib_priv(dev); |
| |
| if (p->rfa_txpowertrackingindex < (TX_BB_GAIN_TABLE_LEN - 1)) { |
| p->rfa_txpowertrackingindex++; |
| p->rfa_txpowertrackingindex_real++; |
| rtl92e_set_bb_reg(dev, rOFDM0_XATxIQImbalance, |
| bMaskDWord, |
| dm_tx_bb_gain[p->rfa_txpowertrackingindex_real]); |
| } else { |
| rtl92e_set_bb_reg(dev, rOFDM0_XATxIQImbalance, |
| bMaskDWord, |
| dm_tx_bb_gain[TX_BB_GAIN_TABLE_LEN - 1]); |
| } |
| } |
| |
| static void _rtl92e_dm_tx_power_tracking_callback_tssi(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| bool viviflag = false; |
| struct dcmd_txcmd tx_cmd; |
| int i = 0, j = 0, k = 0; |
| u8 tmp_report[5] = {0, 0, 0, 0, 0}; |
| u8 Pwr_Flag; |
| u16 Avg_TSSI_Meas, tssi_13dBm, Avg_TSSI_Meas_from_driver = 0; |
| u32 delta = 0; |
| |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| rtl92e_writeb(dev, FW_Busy_Flag, 0); |
| priv->rtllib->bdynamic_txpower_enable = false; |
| |
| for (j = 0; j <= 30; j++) { |
| tx_cmd.op = TXCMD_SET_TX_PWR_TRACKING; |
| tx_cmd.length = 4; |
| tx_cmd.value = priv->pwr_track >> 24; |
| rtl92e_send_cmd_pkt(dev, DESC_PACKET_TYPE_NORMAL, (u8 *)&tx_cmd, |
| sizeof(struct dcmd_txcmd)); |
| mdelay(1); |
| for (i = 0; i <= 30; i++) { |
| Pwr_Flag = rtl92e_readb(dev, Pw_Track_Flag); |
| |
| if (Pwr_Flag == 0) { |
| mdelay(1); |
| |
| if (priv->rtllib->rf_power_state != rf_on) { |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| rtl92e_writeb(dev, FW_Busy_Flag, 0); |
| return; |
| } |
| |
| continue; |
| } |
| |
| Avg_TSSI_Meas = rtl92e_readw(dev, Tssi_Mea_Value); |
| |
| if (Avg_TSSI_Meas == 0) { |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| rtl92e_writeb(dev, FW_Busy_Flag, 0); |
| return; |
| } |
| |
| for (k = 0; k < 5; k++) { |
| if (k != 4) |
| tmp_report[k] = rtl92e_readb(dev, |
| Tssi_Report_Value1 + k); |
| else |
| tmp_report[k] = rtl92e_readb(dev, |
| Tssi_Report_Value2); |
| |
| if (tmp_report[k] <= 20) { |
| viviflag = true; |
| break; |
| } |
| } |
| |
| if (viviflag) { |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| viviflag = false; |
| for (k = 0; k < 5; k++) |
| tmp_report[k] = 0; |
| break; |
| } |
| |
| for (k = 0; k < 5; k++) |
| Avg_TSSI_Meas_from_driver += tmp_report[k]; |
| |
| Avg_TSSI_Meas_from_driver *= 100 / 5; |
| tssi_13dBm = priv->tssi_13dBm; |
| |
| if (Avg_TSSI_Meas_from_driver > tssi_13dBm) |
| delta = Avg_TSSI_Meas_from_driver - tssi_13dBm; |
| else |
| delta = tssi_13dBm - Avg_TSSI_Meas_from_driver; |
| |
| if (delta <= E_FOR_TX_POWER_TRACK) { |
| priv->rtllib->bdynamic_txpower_enable = true; |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| rtl92e_writeb(dev, FW_Busy_Flag, 0); |
| return; |
| } |
| if (Avg_TSSI_Meas_from_driver < tssi_13dBm - E_FOR_TX_POWER_TRACK) |
| _rtl92e_dm_tx_update_tssi_weak_signal(dev); |
| else |
| _rtl92e_dm_tx_update_tssi_strong_signal(dev); |
| |
| priv->cck_present_attn_diff |
| = priv->rfa_txpowertrackingindex_real - priv->rfa_txpowertracking_default; |
| |
| if (priv->current_chnl_bw == HT_CHANNEL_WIDTH_20) |
| priv->cck_present_attn = |
| priv->cck_present_attn_20m_def + |
| priv->cck_present_attn_diff; |
| else |
| priv->cck_present_attn = |
| priv->cck_present_attn_40m_def + |
| priv->cck_present_attn_diff; |
| |
| if (priv->cck_present_attn > (CCK_TX_BB_GAIN_TABLE_LEN - 1)) |
| priv->cck_present_attn = CCK_TX_BB_GAIN_TABLE_LEN - 1; |
| if (priv->cck_present_attn < 0) |
| priv->cck_present_attn = 0; |
| |
| if (priv->cck_present_attn > -1 && |
| priv->cck_present_attn < CCK_TX_BB_GAIN_TABLE_LEN) { |
| if (priv->rtllib->current_network.channel == 14 && |
| !priv->bcck_in_ch14) { |
| priv->bcck_in_ch14 = true; |
| rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); |
| } else if (priv->rtllib->current_network.channel != 14 && priv->bcck_in_ch14) { |
| priv->bcck_in_ch14 = false; |
| rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); |
| } else { |
| rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); |
| } |
| } |
| |
| if (priv->cck_present_attn_diff <= -12 || |
| priv->cck_present_attn_diff >= 24) { |
| priv->rtllib->bdynamic_txpower_enable = true; |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| rtl92e_writeb(dev, FW_Busy_Flag, 0); |
| return; |
| } |
| |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| Avg_TSSI_Meas_from_driver = 0; |
| for (k = 0; k < 5; k++) |
| tmp_report[k] = 0; |
| break; |
| } |
| rtl92e_writeb(dev, FW_Busy_Flag, 0); |
| } |
| priv->rtllib->bdynamic_txpower_enable = true; |
| rtl92e_writeb(dev, Pw_Track_Flag, 0); |
| } |
| |
| static void _rtl92e_dm_tx_power_tracking_cb_thermal(struct net_device *dev) |
| { |
| #define ThermalMeterVal 9 |
| struct r8192_priv *priv = rtllib_priv(dev); |
| u32 tmp_reg, tmp_cck; |
| u8 tmp_ofdm_index, tmp_cck_index, tmp_cck_20m_index, tmp_cck_40m_index, tmpval; |
| int i = 0, CCKSwingNeedUpdate = 0; |
| |
| if (!priv->tx_pwr_tracking_init) { |
| tmp_reg = rtl92e_get_bb_reg(dev, rOFDM0_XATxIQImbalance, |
| bMaskDWord); |
| for (i = 0; i < OFDM_TABLE_LEN; i++) { |
| if (tmp_reg == OFDMSwingTable[i]) |
| priv->ofdm_index[0] = i; |
| } |
| |
| tmp_cck = rtl92e_get_bb_reg(dev, rCCK0_TxFilter1, bMaskByte2); |
| for (i = 0; i < CCK_TABLE_LEN; i++) { |
| if (tmp_cck == (u32)CCKSwingTable_Ch1_Ch13[i][0]) { |
| priv->cck_index = i; |
| break; |
| } |
| } |
| priv->tx_pwr_tracking_init = true; |
| return; |
| } |
| |
| tmp_reg = rtl92e_get_rf_reg(dev, RF90_PATH_A, 0x12, 0x078); |
| if (tmp_reg < 3 || tmp_reg > 13) |
| return; |
| if (tmp_reg >= 12) |
| tmp_reg = 12; |
| priv->thermal_meter[0] = ThermalMeterVal; |
| priv->thermal_meter[1] = ThermalMeterVal; |
| |
| if (priv->thermal_meter[0] >= (u8)tmp_reg) { |
| tmp_ofdm_index = 6 + (priv->thermal_meter[0] - (u8)tmp_reg); |
| tmp_cck_20m_index = tmp_ofdm_index; |
| tmp_cck_40m_index = tmp_cck_20m_index - 6; |
| if (tmp_ofdm_index >= OFDM_TABLE_LEN) |
| tmp_ofdm_index = OFDM_TABLE_LEN - 1; |
| if (tmp_cck_20m_index >= CCK_TABLE_LEN) |
| tmp_cck_20m_index = CCK_TABLE_LEN - 1; |
| if (tmp_cck_40m_index >= CCK_TABLE_LEN) |
| tmp_cck_40m_index = CCK_TABLE_LEN - 1; |
| } else { |
| tmpval = (u8)tmp_reg - priv->thermal_meter[0]; |
| if (tmpval >= 6) { |
| tmp_ofdm_index = 0; |
| tmp_cck_20m_index = 0; |
| } else { |
| tmp_ofdm_index = 6 - tmpval; |
| tmp_cck_20m_index = 6 - tmpval; |
| } |
| tmp_cck_40m_index = 0; |
| } |
| if (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) |
| tmp_cck_index = tmp_cck_40m_index; |
| else |
| tmp_cck_index = tmp_cck_20m_index; |
| |
| priv->rec_cck_20m_idx = tmp_cck_20m_index; |
| priv->rec_cck_40m_idx = tmp_cck_40m_index; |
| |
| if (priv->rtllib->current_network.channel == 14 && |
| !priv->bcck_in_ch14) { |
| priv->bcck_in_ch14 = true; |
| CCKSwingNeedUpdate = 1; |
| } else if (priv->rtllib->current_network.channel != 14 && |
| priv->bcck_in_ch14) { |
| priv->bcck_in_ch14 = false; |
| CCKSwingNeedUpdate = 1; |
| } |
| |
| if (priv->cck_index != tmp_cck_index) { |
| priv->cck_index = tmp_cck_index; |
| CCKSwingNeedUpdate = 1; |
| } |
| |
| if (CCKSwingNeedUpdate) |
| rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); |
| if (priv->ofdm_index[0] != tmp_ofdm_index) { |
| priv->ofdm_index[0] = tmp_ofdm_index; |
| rtl92e_set_bb_reg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, |
| OFDMSwingTable[priv->ofdm_index[0]]); |
| } |
| priv->txpower_count = 0; |
| } |
| |
| void rtl92e_dm_txpower_tracking_wq(void *data) |
| { |
| struct r8192_priv *priv = container_of_dwork_rsl(data, |
| struct r8192_priv, txpower_tracking_wq); |
| struct net_device *dev = priv->rtllib->dev; |
| |
| if (priv->ic_cut >= IC_VersionCut_D) |
| _rtl92e_dm_tx_power_tracking_callback_tssi(dev); |
| else |
| _rtl92e_dm_tx_power_tracking_cb_thermal(dev); |
| } |
| |
| static void _rtl92e_dm_initialize_tx_power_tracking_tssi(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| priv->btxpower_tracking = true; |
| priv->txpower_count = 0; |
| priv->tx_pwr_tracking_init = false; |
| } |
| |
| static void _rtl92e_dm_init_tx_power_tracking_thermal(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| if (priv->rtllib->FwRWRF) |
| priv->btxpower_tracking = true; |
| else |
| priv->btxpower_tracking = false; |
| priv->txpower_count = 0; |
| priv->tx_pwr_tracking_init = false; |
| } |
| |
| void rtl92e_dm_init_txpower_tracking(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| if (priv->ic_cut >= IC_VersionCut_D) |
| _rtl92e_dm_initialize_tx_power_tracking_tssi(dev); |
| else |
| _rtl92e_dm_init_tx_power_tracking_thermal(dev); |
| } |
| |
| static void _rtl92e_dm_check_tx_power_tracking_tssi(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| static u32 tx_power_track_counter; |
| |
| if (rtl92e_readb(dev, 0x11e) == 1) |
| return; |
| if (!priv->btxpower_tracking) |
| return; |
| tx_power_track_counter++; |
| |
| if (tx_power_track_counter >= 180) { |
| schedule_delayed_work(&priv->txpower_tracking_wq, 0); |
| tx_power_track_counter = 0; |
| } |
| } |
| |
| static void _rtl92e_dm_check_tx_power_tracking_thermal(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| static u8 TM_Trigger; |
| u8 TxPowerCheckCnt = 0; |
| |
| TxPowerCheckCnt = 2; |
| if (!priv->btxpower_tracking) |
| return; |
| |
| if (priv->txpower_count <= TxPowerCheckCnt) { |
| priv->txpower_count++; |
| return; |
| } |
| |
| if (!TM_Trigger) { |
| rtl92e_set_rf_reg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4d); |
| rtl92e_set_rf_reg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4f); |
| rtl92e_set_rf_reg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4d); |
| rtl92e_set_rf_reg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4f); |
| TM_Trigger = 1; |
| return; |
| } |
| netdev_info(dev, "===============>Schedule TxPowerTrackingWorkItem\n"); |
| schedule_delayed_work(&priv->txpower_tracking_wq, 0); |
| TM_Trigger = 0; |
| } |
| |
| static void _rtl92e_dm_check_tx_power_tracking(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| if (priv->ic_cut >= IC_VersionCut_D) |
| _rtl92e_dm_check_tx_power_tracking_tssi(dev); |
| else |
| _rtl92e_dm_check_tx_power_tracking_thermal(dev); |
| } |
| |
| static void _rtl92e_dm_cck_tx_power_adjust_tssi(struct net_device *dev, |
| bool bInCH14) |
| { |
| u32 TempVal; |
| struct r8192_priv *priv = rtllib_priv(dev); |
| u8 attenuation = priv->cck_present_attn; |
| |
| TempVal = 0; |
| if (!bInCH14) { |
| TempVal = (u32)(dm_cck_tx_bb_gain[attenuation][0] + |
| (dm_cck_tx_bb_gain[attenuation][1] << 8)); |
| |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal); |
| TempVal = (u32)((dm_cck_tx_bb_gain[attenuation][2]) + |
| (dm_cck_tx_bb_gain[attenuation][3] << 8) + |
| (dm_cck_tx_bb_gain[attenuation][4] << 16) + |
| (dm_cck_tx_bb_gain[attenuation][5] << 24)); |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal); |
| TempVal = (u32)(dm_cck_tx_bb_gain[attenuation][6] + |
| (dm_cck_tx_bb_gain[attenuation][7] << 8)); |
| |
| rtl92e_set_bb_reg(dev, rCCK0_DebugPort, bMaskLWord, TempVal); |
| } else { |
| TempVal = (u32)((dm_cck_tx_bb_gain_ch14[attenuation][0]) + |
| (dm_cck_tx_bb_gain_ch14[attenuation][1] << 8)); |
| |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal); |
| TempVal = (u32)((dm_cck_tx_bb_gain_ch14[attenuation][2]) + |
| (dm_cck_tx_bb_gain_ch14[attenuation][3] << 8) + |
| (dm_cck_tx_bb_gain_ch14[attenuation][4] << 16) + |
| (dm_cck_tx_bb_gain_ch14[attenuation][5] << 24)); |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal); |
| TempVal = (u32)((dm_cck_tx_bb_gain_ch14[attenuation][6]) + |
| (dm_cck_tx_bb_gain_ch14[attenuation][7] << 8)); |
| |
| rtl92e_set_bb_reg(dev, rCCK0_DebugPort, bMaskLWord, TempVal); |
| } |
| } |
| |
| static void _rtl92e_dm_cck_tx_power_adjust_thermal_meter(struct net_device *dev, |
| bool bInCH14) |
| { |
| u32 TempVal; |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| TempVal = 0; |
| if (!bInCH14) { |
| TempVal = CCKSwingTable_Ch1_Ch13[priv->cck_index][0] + |
| (CCKSwingTable_Ch1_Ch13[priv->cck_index][1] << 8); |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal); |
| TempVal = CCKSwingTable_Ch1_Ch13[priv->cck_index][2] + |
| (CCKSwingTable_Ch1_Ch13[priv->cck_index][3] << 8) + |
| (CCKSwingTable_Ch1_Ch13[priv->cck_index][4] << 16) + |
| (CCKSwingTable_Ch1_Ch13[priv->cck_index][5] << 24); |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal); |
| TempVal = CCKSwingTable_Ch1_Ch13[priv->cck_index][6] + |
| (CCKSwingTable_Ch1_Ch13[priv->cck_index][7] << 8); |
| |
| rtl92e_set_bb_reg(dev, rCCK0_DebugPort, bMaskLWord, TempVal); |
| } else { |
| TempVal = CCKSwingTable_Ch14[priv->cck_index][0] + |
| (CCKSwingTable_Ch14[priv->cck_index][1] << 8); |
| |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal); |
| TempVal = CCKSwingTable_Ch14[priv->cck_index][2] + |
| (CCKSwingTable_Ch14[priv->cck_index][3] << 8) + |
| (CCKSwingTable_Ch14[priv->cck_index][4] << 16) + |
| (CCKSwingTable_Ch14[priv->cck_index][5] << 24); |
| rtl92e_set_bb_reg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal); |
| TempVal = CCKSwingTable_Ch14[priv->cck_index][6] + |
| (CCKSwingTable_Ch14[priv->cck_index][7] << 8); |
| |
| rtl92e_set_bb_reg(dev, rCCK0_DebugPort, bMaskLWord, TempVal); |
| } |
| } |
| |
| void rtl92e_dm_cck_txpower_adjust(struct net_device *dev, bool binch14) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| if (priv->ic_cut >= IC_VersionCut_D) |
| _rtl92e_dm_cck_tx_power_adjust_tssi(dev, binch14); |
| else |
| _rtl92e_dm_cck_tx_power_adjust_thermal_meter(dev, binch14); |
| } |
| |
| static void _rtl92e_dm_dig_init(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| dm_digtable.cur_sta_connect_state = DIG_STA_DISCONNECT; |
| dm_digtable.pre_sta_connect_state = DIG_STA_DISCONNECT; |
| |
| dm_digtable.rssi_low_thresh = DM_DIG_THRESH_LOW; |
| dm_digtable.rssi_high_thresh = DM_DIG_THRESH_HIGH; |
| |
| dm_digtable.rssi_high_power_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW; |
| dm_digtable.rssi_high_power_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH; |
| |
| dm_digtable.rssi_val = 50; |
| dm_digtable.backoff_val = DM_DIG_BACKOFF; |
| dm_digtable.rx_gain_range_max = DM_DIG_MAX; |
| if (priv->customer_id == RT_CID_819X_NETCORE) |
| dm_digtable.rx_gain_range_min = DM_DIG_MIN_Netcore; |
| else |
| dm_digtable.rx_gain_range_min = DM_DIG_MIN; |
| } |
| |
| static void _rtl92e_dm_ctrl_initgain_byrssi(struct net_device *dev) |
| { |
| _rtl92e_dm_ctrl_initgain_byrssi_driver(dev); |
| } |
| |
| /*----------------------------------------------------------------------------- |
| * Function: dm_CtrlInitGainBeforeConnectByRssiAndFalseAlarm() |
| * |
| * Overview: Driver monitor RSSI and False Alarm to change initial gain. |
| Only change initial gain during link in progress. |
| * |
| * Input: IN PADAPTER pAdapter |
| * |
| * Output: NONE |
| * |
| * Return: NONE |
| * |
| * Revised History: |
| * When Who Remark |
| * 03/04/2009 hpfan Create Version 0. |
| * |
| ******************************************************************************/ |
| |
| static void _rtl92e_dm_ctrl_initgain_byrssi_driver(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| u8 i; |
| static u8 fw_dig; |
| |
| if (fw_dig <= 3) { |
| for (i = 0; i < 3; i++) |
| rtl92e_set_bb_reg(dev, UFWP, bMaskByte1, 0x8); |
| fw_dig++; |
| } |
| |
| if (priv->rtllib->link_state == MAC80211_LINKED) |
| dm_digtable.cur_sta_connect_state = DIG_STA_CONNECT; |
| else |
| dm_digtable.cur_sta_connect_state = DIG_STA_DISCONNECT; |
| |
| dm_digtable.rssi_val = priv->undecorated_smoothed_pwdb; |
| _rtl92e_dm_initial_gain(dev); |
| _rtl92e_dm_pd_th(dev); |
| _rtl92e_dm_cs_ratio(dev); |
| dm_digtable.pre_sta_connect_state = dm_digtable.cur_sta_connect_state; |
| } |
| |
| static void _rtl92e_dm_initial_gain(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| u8 initial_gain = 0; |
| static u8 initialized, force_write; |
| |
| if (rtllib_act_scanning(priv->rtllib, true)) { |
| force_write = 1; |
| return; |
| } |
| |
| if (dm_digtable.pre_sta_connect_state == dm_digtable.cur_sta_connect_state) { |
| if (dm_digtable.cur_sta_connect_state == DIG_STA_CONNECT) { |
| long gain_range = dm_digtable.rssi_val + 10 - |
| dm_digtable.backoff_val; |
| gain_range = clamp_t(long, gain_range, |
| dm_digtable.rx_gain_range_min, |
| dm_digtable.rx_gain_range_max); |
| dm_digtable.cur_ig_value = gain_range; |
| } else { |
| if (dm_digtable.cur_ig_value == 0) |
| dm_digtable.cur_ig_value = priv->def_initial_gain[0]; |
| else |
| dm_digtable.cur_ig_value = dm_digtable.pre_ig_value; |
| } |
| } else { |
| dm_digtable.cur_ig_value = priv->def_initial_gain[0]; |
| dm_digtable.pre_ig_value = 0; |
| } |
| |
| if (dm_digtable.pre_ig_value != rtl92e_readb(dev, rOFDM0_XAAGCCore1)) |
| force_write = 1; |
| |
| if ((dm_digtable.pre_ig_value != dm_digtable.cur_ig_value) |
| || !initialized || force_write) { |
| initial_gain = dm_digtable.cur_ig_value; |
| rtl92e_writeb(dev, rOFDM0_XAAGCCore1, initial_gain); |
| rtl92e_writeb(dev, rOFDM0_XBAGCCore1, initial_gain); |
| rtl92e_writeb(dev, rOFDM0_XCAGCCore1, initial_gain); |
| rtl92e_writeb(dev, rOFDM0_XDAGCCore1, initial_gain); |
| dm_digtable.pre_ig_value = dm_digtable.cur_ig_value; |
| initialized = 1; |
| force_write = 0; |
| } |
| } |
| |
| static void _rtl92e_dm_pd_th(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| static u8 initialized, force_write; |
| |
| if (dm_digtable.pre_sta_connect_state == dm_digtable.cur_sta_connect_state) { |
| if (dm_digtable.cur_sta_connect_state == DIG_STA_CONNECT) { |
| if (dm_digtable.rssi_val >= |
| dm_digtable.rssi_high_power_highthresh) |
| dm_digtable.curpd_thstate = |
| DIG_PD_AT_HIGH_POWER; |
| else if (dm_digtable.rssi_val <= |
| dm_digtable.rssi_low_thresh) |
| dm_digtable.curpd_thstate = |
| DIG_PD_AT_LOW_POWER; |
| else if ((dm_digtable.rssi_val >= |
| dm_digtable.rssi_high_thresh) && |
| (dm_digtable.rssi_val < |
| dm_digtable.rssi_high_power_lowthresh)) |
| dm_digtable.curpd_thstate = |
| DIG_PD_AT_NORMAL_POWER; |
| else |
| dm_digtable.curpd_thstate = |
| dm_digtable.prepd_thstate; |
| } else { |
| dm_digtable.curpd_thstate = DIG_PD_AT_LOW_POWER; |
| } |
| } else { |
| dm_digtable.curpd_thstate = DIG_PD_AT_LOW_POWER; |
| } |
| |
| if ((dm_digtable.prepd_thstate != dm_digtable.curpd_thstate) || |
| (initialized <= 3) || force_write) { |
| if (dm_digtable.curpd_thstate == DIG_PD_AT_LOW_POWER) { |
| if (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) |
| rtl92e_writeb(dev, (rOFDM0_XATxAFE + 3), 0x00); |
| else |
| rtl92e_writeb(dev, rOFDM0_RxDetector1, 0x42); |
| } else if (dm_digtable.curpd_thstate == |
| DIG_PD_AT_NORMAL_POWER) { |
| if (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) |
| rtl92e_writeb(dev, (rOFDM0_XATxAFE + 3), 0x20); |
| else |
| rtl92e_writeb(dev, rOFDM0_RxDetector1, 0x44); |
| } else if (dm_digtable.curpd_thstate == DIG_PD_AT_HIGH_POWER) { |
| if (priv->current_chnl_bw != HT_CHANNEL_WIDTH_20) |
| rtl92e_writeb(dev, (rOFDM0_XATxAFE + 3), 0x10); |
| else |
| rtl92e_writeb(dev, rOFDM0_RxDetector1, 0x43); |
| } |
| dm_digtable.prepd_thstate = dm_digtable.curpd_thstate; |
| if (initialized <= 3) |
| initialized++; |
| force_write = 0; |
| } |
| } |
| |
| static void _rtl92e_dm_cs_ratio(struct net_device *dev) |
| { |
| static u8 initialized, force_write; |
| |
| if (dm_digtable.pre_sta_connect_state == dm_digtable.cur_sta_connect_state) { |
| if (dm_digtable.cur_sta_connect_state == DIG_STA_CONNECT) { |
| if (dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh) |
| dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER; |
| else if (dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh) |
| dm_digtable.curcs_ratio_state = DIG_CS_RATIO_HIGHER; |
| else |
| dm_digtable.curcs_ratio_state = dm_digtable.precs_ratio_state; |
| } else { |
| dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER; |
| } |
| } else { |
| dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER; |
| } |
| |
| if ((dm_digtable.precs_ratio_state != dm_digtable.curcs_ratio_state) || |
| !initialized || force_write) { |
| if (dm_digtable.curcs_ratio_state == DIG_CS_RATIO_LOWER) |
| rtl92e_writeb(dev, 0xa0a, 0x08); |
| else if (dm_digtable.curcs_ratio_state == DIG_CS_RATIO_HIGHER) |
| rtl92e_writeb(dev, 0xa0a, 0xcd); |
| dm_digtable.precs_ratio_state = dm_digtable.curcs_ratio_state; |
| initialized = 1; |
| force_write = 0; |
| } |
| } |
| |
| void rtl92e_dm_init_edca_turbo(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| priv->bcurrent_turbo_EDCA = false; |
| priv->rtllib->bis_any_nonbepkts = false; |
| priv->bis_cur_rdlstate = false; |
| } |
| |
| static void _rtl92e_dm_check_edca_turbo(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| struct rt_hi_throughput *ht_info = priv->rtllib->ht_info; |
| |
| static unsigned long lastTxOkCnt; |
| static unsigned long lastRxOkCnt; |
| unsigned long curTxOkCnt = 0; |
| unsigned long curRxOkCnt = 0; |
| |
| if (priv->rtllib->link_state != MAC80211_LINKED) |
| goto dm_CheckEdcaTurbo_EXIT; |
| if (priv->rtllib->ht_info->iot_action & HT_IOT_ACT_DISABLE_EDCA_TURBO) |
| goto dm_CheckEdcaTurbo_EXIT; |
| |
| if (!priv->rtllib->bis_any_nonbepkts) { |
| curTxOkCnt = priv->stats.txbytesunicast - lastTxOkCnt; |
| curRxOkCnt = priv->stats.rxbytesunicast - lastRxOkCnt; |
| if (ht_info->iot_action & HT_IOT_ACT_EDCA_BIAS_ON_RX) { |
| if (curTxOkCnt > 4 * curRxOkCnt) { |
| if (priv->bis_cur_rdlstate || |
| !priv->bcurrent_turbo_EDCA) { |
| rtl92e_writel(dev, EDCAPARA_BE, |
| edca_setting_UL[ht_info->iot_peer]); |
| priv->bis_cur_rdlstate = false; |
| } |
| } else { |
| if (!priv->bis_cur_rdlstate || |
| !priv->bcurrent_turbo_EDCA) { |
| if (priv->rtllib->mode == WIRELESS_MODE_G) |
| rtl92e_writel(dev, EDCAPARA_BE, |
| edca_setting_DL_GMode[ht_info->iot_peer]); |
| else |
| rtl92e_writel(dev, EDCAPARA_BE, |
| edca_setting_DL[ht_info->iot_peer]); |
| priv->bis_cur_rdlstate = true; |
| } |
| } |
| priv->bcurrent_turbo_EDCA = true; |
| } else { |
| if (curRxOkCnt > 4 * curTxOkCnt) { |
| if (!priv->bis_cur_rdlstate || |
| !priv->bcurrent_turbo_EDCA) { |
| if (priv->rtllib->mode == WIRELESS_MODE_G) |
| rtl92e_writel(dev, EDCAPARA_BE, |
| edca_setting_DL_GMode[ht_info->iot_peer]); |
| else |
| rtl92e_writel(dev, EDCAPARA_BE, |
| edca_setting_DL[ht_info->iot_peer]); |
| priv->bis_cur_rdlstate = true; |
| } |
| } else { |
| if (priv->bis_cur_rdlstate || |
| !priv->bcurrent_turbo_EDCA) { |
| rtl92e_writel(dev, EDCAPARA_BE, |
| edca_setting_UL[ht_info->iot_peer]); |
| priv->bis_cur_rdlstate = false; |
| } |
| } |
| |
| priv->bcurrent_turbo_EDCA = true; |
| } |
| } else { |
| if (priv->bcurrent_turbo_EDCA) { |
| u8 tmp = AC0_BE; |
| |
| priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, |
| (u8 *)(&tmp)); |
| priv->bcurrent_turbo_EDCA = false; |
| } |
| } |
| |
| dm_CheckEdcaTurbo_EXIT: |
| priv->rtllib->bis_any_nonbepkts = false; |
| lastTxOkCnt = priv->stats.txbytesunicast; |
| lastRxOkCnt = priv->stats.rxbytesunicast; |
| } |
| |
| static void _rtl92e_dm_init_cts_to_self(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv((struct net_device *)dev); |
| |
| priv->rtllib->bCTSToSelfEnable = true; |
| } |
| |
| static void _rtl92e_dm_cts_to_self(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv((struct net_device *)dev); |
| struct rt_hi_throughput *ht_info = priv->rtllib->ht_info; |
| static unsigned long lastTxOkCnt; |
| static unsigned long lastRxOkCnt; |
| unsigned long curTxOkCnt = 0; |
| unsigned long curRxOkCnt = 0; |
| |
| if (!priv->rtllib->bCTSToSelfEnable) { |
| ht_info->iot_action &= ~HT_IOT_ACT_FORCED_CTS2SELF; |
| return; |
| } |
| if (ht_info->iot_peer == HT_IOT_PEER_BROADCOM) { |
| curTxOkCnt = priv->stats.txbytesunicast - lastTxOkCnt; |
| curRxOkCnt = priv->stats.rxbytesunicast - lastRxOkCnt; |
| if (curRxOkCnt > 4 * curTxOkCnt) |
| ht_info->iot_action &= ~HT_IOT_ACT_FORCED_CTS2SELF; |
| else |
| ht_info->iot_action |= HT_IOT_ACT_FORCED_CTS2SELF; |
| |
| lastTxOkCnt = priv->stats.txbytesunicast; |
| lastRxOkCnt = priv->stats.rxbytesunicast; |
| } |
| } |
| |
| static void _rtl92e_dm_check_rf_ctrl_gpio(void *data) |
| { |
| struct r8192_priv *priv = container_of_dwork_rsl(data, |
| struct r8192_priv, gpio_change_rf_wq); |
| struct net_device *dev = priv->rtllib->dev; |
| u8 tmp1byte; |
| enum rt_rf_power_state rf_power_state_to_set; |
| bool bActuallySet = false; |
| |
| if ((priv->up_first_time == 1) || (priv->being_init_adapter)) |
| return; |
| |
| if (priv->bfirst_after_down) |
| return; |
| |
| tmp1byte = rtl92e_readb(dev, GPI); |
| |
| rf_power_state_to_set = (tmp1byte & BIT(1)) ? rf_on : rf_off; |
| |
| if (priv->hw_radio_off && (rf_power_state_to_set == rf_on)) { |
| netdev_info(dev, "gpiochangeRF - HW Radio ON\n"); |
| priv->hw_radio_off = false; |
| bActuallySet = true; |
| } else if (!priv->hw_radio_off && (rf_power_state_to_set == rf_off)) { |
| netdev_info(dev, "gpiochangeRF - HW Radio OFF\n"); |
| priv->hw_radio_off = true; |
| bActuallySet = true; |
| } |
| |
| if (bActuallySet) { |
| mdelay(1000); |
| priv->hw_rf_off_action = 1; |
| rtl92e_set_rf_state(dev, rf_power_state_to_set, RF_CHANGE_BY_HW); |
| } |
| } |
| |
| void rtl92e_dm_rf_pathcheck_wq(void *data) |
| { |
| struct r8192_priv *priv = container_of_dwork_rsl(data, |
| struct r8192_priv, |
| rfpath_check_wq); |
| struct net_device *dev = priv->rtllib->dev; |
| u8 rfpath, i; |
| |
| rfpath = rtl92e_readb(dev, 0xc04); |
| |
| for (i = 0; i < RF90_PATH_MAX; i++) { |
| if (rfpath & (0x01 << i)) |
| priv->brfpath_rxenable[i] = true; |
| else |
| priv->brfpath_rxenable[i] = false; |
| } |
| if (!dm_rx_path_sel_table.enable) |
| return; |
| |
| _rtl92e_dm_rx_path_sel_byrssi(dev); |
| } |
| |
| static void _rtl92e_dm_init_rx_path_selection(struct net_device *dev) |
| { |
| u8 i; |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| dm_rx_path_sel_table.enable = 1; |
| dm_rx_path_sel_table.ss_th_low = RX_PATH_SEL_SS_TH_LOW; |
| dm_rx_path_sel_table.diff_th = RX_PATH_SEL_DIFF_TH; |
| if (priv->customer_id == RT_CID_819X_NETCORE) |
| dm_rx_path_sel_table.cck_method = CCK_Rx_Version_2; |
| else |
| dm_rx_path_sel_table.cck_method = CCK_Rx_Version_1; |
| dm_rx_path_sel_table.disabled_rf = 0; |
| for (i = 0; i < 4; i++) { |
| dm_rx_path_sel_table.rf_rssi[i] = 50; |
| dm_rx_path_sel_table.cck_pwdb_sta[i] = -64; |
| dm_rx_path_sel_table.rf_enable_rssi_th[i] = 100; |
| } |
| } |
| |
| #define PWDB_IN_RANGE ((cur_cck_pwdb < tmp_cck_max_pwdb) && \ |
| (cur_cck_pwdb > tmp_cck_sec_pwdb)) |
| |
| static void _rtl92e_dm_rx_path_sel_byrssi(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| u8 i, max_rssi_index = 0, min_rssi_index = 0; |
| u8 sec_rssi_index = 0, rf_num = 0; |
| u8 tmp_max_rssi = 0, tmp_min_rssi = 0, tmp_sec_rssi = 0; |
| u8 cck_default_Rx = 0x2; |
| u8 cck_optional_Rx = 0x3; |
| long tmp_cck_max_pwdb = 0, tmp_cck_min_pwdb = 0, tmp_cck_sec_pwdb = 0; |
| u8 cck_rx_ver2_max_index = 0; |
| u8 cck_rx_ver2_sec_index = 0; |
| u8 cur_rf_rssi; |
| long cur_cck_pwdb; |
| static u8 disabled_rf_cnt, cck_Rx_Path_initialized; |
| u8 update_cck_rx_path; |
| |
| if (!cck_Rx_Path_initialized) { |
| dm_rx_path_sel_table.cck_rx_path = (rtl92e_readb(dev, 0xa07) & 0xf); |
| cck_Rx_Path_initialized = 1; |
| } |
| |
| dm_rx_path_sel_table.disabled_rf = 0xf; |
| dm_rx_path_sel_table.disabled_rf &= ~(rtl92e_readb(dev, 0xc04)); |
| |
| if (priv->rtllib->mode == WIRELESS_MODE_B) |
| dm_rx_path_sel_table.cck_method = CCK_Rx_Version_2; |
| |
| for (i = 0; i < RF90_PATH_MAX; i++) { |
| dm_rx_path_sel_table.rf_rssi[i] = priv->stats.rx_rssi_percentage[i]; |
| |
| if (priv->brfpath_rxenable[i]) { |
| rf_num++; |
| cur_rf_rssi = dm_rx_path_sel_table.rf_rssi[i]; |
| |
| if (rf_num == 1) { |
| max_rssi_index = min_rssi_index = sec_rssi_index = i; |
| tmp_max_rssi = tmp_min_rssi = tmp_sec_rssi = cur_rf_rssi; |
| } else if (rf_num == 2) { |
| if (cur_rf_rssi >= tmp_max_rssi) { |
| tmp_max_rssi = cur_rf_rssi; |
| max_rssi_index = i; |
| } else { |
| tmp_sec_rssi = tmp_min_rssi = cur_rf_rssi; |
| sec_rssi_index = min_rssi_index = i; |
| } |
| } else { |
| if (cur_rf_rssi > tmp_max_rssi) { |
| tmp_sec_rssi = tmp_max_rssi; |
| sec_rssi_index = max_rssi_index; |
| tmp_max_rssi = cur_rf_rssi; |
| max_rssi_index = i; |
| } else if (cur_rf_rssi == tmp_max_rssi) { |
| tmp_sec_rssi = cur_rf_rssi; |
| sec_rssi_index = i; |
| } else if ((cur_rf_rssi < tmp_max_rssi) && |
| (cur_rf_rssi > tmp_sec_rssi)) { |
| tmp_sec_rssi = cur_rf_rssi; |
| sec_rssi_index = i; |
| } else if (cur_rf_rssi == tmp_sec_rssi) { |
| if (tmp_sec_rssi == tmp_min_rssi) { |
| tmp_sec_rssi = cur_rf_rssi; |
| sec_rssi_index = i; |
| } |
| } else if ((cur_rf_rssi < tmp_sec_rssi) && |
| (cur_rf_rssi > tmp_min_rssi)) { |
| ; |
| } else if (cur_rf_rssi == tmp_min_rssi) { |
| if (tmp_sec_rssi == tmp_min_rssi) { |
| tmp_min_rssi = cur_rf_rssi; |
| min_rssi_index = i; |
| } |
| } else if (cur_rf_rssi < tmp_min_rssi) { |
| tmp_min_rssi = cur_rf_rssi; |
| min_rssi_index = i; |
| } |
| } |
| } |
| } |
| |
| rf_num = 0; |
| if (dm_rx_path_sel_table.cck_method == CCK_Rx_Version_2) { |
| for (i = 0; i < RF90_PATH_MAX; i++) { |
| if (priv->brfpath_rxenable[i]) { |
| rf_num++; |
| cur_cck_pwdb = |
| dm_rx_path_sel_table.cck_pwdb_sta[i]; |
| |
| if (rf_num == 1) { |
| cck_rx_ver2_max_index = i; |
| cck_rx_ver2_sec_index = i; |
| tmp_cck_max_pwdb = cur_cck_pwdb; |
| tmp_cck_min_pwdb = cur_cck_pwdb; |
| tmp_cck_sec_pwdb = cur_cck_pwdb; |
| } else if (rf_num == 2) { |
| if (cur_cck_pwdb >= tmp_cck_max_pwdb) { |
| tmp_cck_max_pwdb = cur_cck_pwdb; |
| cck_rx_ver2_max_index = i; |
| } else { |
| tmp_cck_sec_pwdb = cur_cck_pwdb; |
| tmp_cck_min_pwdb = cur_cck_pwdb; |
| cck_rx_ver2_sec_index = i; |
| } |
| } else { |
| if (cur_cck_pwdb > tmp_cck_max_pwdb) { |
| tmp_cck_sec_pwdb = |
| tmp_cck_max_pwdb; |
| cck_rx_ver2_sec_index = |
| cck_rx_ver2_max_index; |
| tmp_cck_max_pwdb = cur_cck_pwdb; |
| cck_rx_ver2_max_index = i; |
| } else if (cur_cck_pwdb == |
| tmp_cck_max_pwdb) { |
| tmp_cck_sec_pwdb = cur_cck_pwdb; |
| cck_rx_ver2_sec_index = i; |
| } else if (PWDB_IN_RANGE) { |
| tmp_cck_sec_pwdb = cur_cck_pwdb; |
| cck_rx_ver2_sec_index = i; |
| } else if (cur_cck_pwdb == |
| tmp_cck_sec_pwdb) { |
| if (tmp_cck_sec_pwdb == |
| tmp_cck_min_pwdb) { |
| tmp_cck_sec_pwdb = |
| cur_cck_pwdb; |
| cck_rx_ver2_sec_index = |
| i; |
| } |
| } else if ((cur_cck_pwdb < tmp_cck_sec_pwdb) && |
| (cur_cck_pwdb > tmp_cck_min_pwdb)) { |
| ; |
| } else if (cur_cck_pwdb == tmp_cck_min_pwdb) { |
| if (tmp_cck_sec_pwdb == tmp_cck_min_pwdb) |
| tmp_cck_min_pwdb = cur_cck_pwdb; |
| } else if (cur_cck_pwdb < tmp_cck_min_pwdb) { |
| tmp_cck_min_pwdb = cur_cck_pwdb; |
| } |
| } |
| } |
| } |
| } |
| |
| update_cck_rx_path = 0; |
| if (dm_rx_path_sel_table.cck_method == CCK_Rx_Version_2) { |
| cck_default_Rx = cck_rx_ver2_max_index; |
| cck_optional_Rx = cck_rx_ver2_sec_index; |
| if (tmp_cck_max_pwdb != -64) |
| update_cck_rx_path = 1; |
| } |
| |
| if (tmp_min_rssi < dm_rx_path_sel_table.ss_th_low && disabled_rf_cnt < 2) { |
| if ((tmp_max_rssi - tmp_min_rssi) >= |
| dm_rx_path_sel_table.diff_th) { |
| dm_rx_path_sel_table.rf_enable_rssi_th[min_rssi_index] = |
| tmp_max_rssi + 5; |
| rtl92e_set_bb_reg(dev, rOFDM0_TRxPathEnable, |
| 0x1 << min_rssi_index, 0x0); |
| rtl92e_set_bb_reg(dev, rOFDM1_TRxPathEnable, |
| 0x1 << min_rssi_index, 0x0); |
| disabled_rf_cnt++; |
| } |
| if (dm_rx_path_sel_table.cck_method == CCK_Rx_Version_1) { |
| cck_default_Rx = max_rssi_index; |
| cck_optional_Rx = sec_rssi_index; |
| if (tmp_max_rssi) |
| update_cck_rx_path = 1; |
| } |
| } |
| |
| if (update_cck_rx_path) { |
| dm_rx_path_sel_table.cck_rx_path = (cck_default_Rx << 2) | |
| (cck_optional_Rx); |
| rtl92e_set_bb_reg(dev, rCCK0_AFESetting, 0x0f000000, |
| dm_rx_path_sel_table.cck_rx_path); |
| } |
| |
| if (dm_rx_path_sel_table.disabled_rf) { |
| for (i = 0; i < 4; i++) { |
| if ((dm_rx_path_sel_table.disabled_rf >> i) & 0x1) { |
| if (tmp_max_rssi >= |
| dm_rx_path_sel_table.rf_enable_rssi_th[i]) { |
| rtl92e_set_bb_reg(dev, |
| rOFDM0_TRxPathEnable, |
| 0x1 << i, 0x1); |
| rtl92e_set_bb_reg(dev, |
| rOFDM1_TRxPathEnable, |
| 0x1 << i, 0x1); |
| dm_rx_path_sel_table.rf_enable_rssi_th[i] |
| = 100; |
| disabled_rf_cnt--; |
| } |
| } |
| } |
| } |
| } |
| |
| static void _rtl92e_dm_check_rx_path_selection(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| schedule_delayed_work(&priv->rfpath_check_wq, 0); |
| } |
| |
| static void _rtl92e_dm_init_fsync(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| priv->rtllib->fsync_time_interval = 500; |
| priv->rtllib->fsync_rate_bitmap = 0x0f000800; |
| priv->rtllib->fsync_rssi_threshold = 30; |
| priv->rtllib->bfsync_enable = false; |
| priv->rtllib->fsync_multiple_timeinterval = 3; |
| priv->rtllib->fsync_firstdiff_ratethreshold = 100; |
| priv->rtllib->fsync_seconddiff_ratethreshold = 200; |
| priv->rtllib->fsync_state = Default_Fsync; |
| |
| timer_setup(&priv->fsync_timer, _rtl92e_dm_fsync_timer_callback, 0); |
| } |
| |
| static void _rtl92e_dm_deinit_fsync(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| del_timer_sync(&priv->fsync_timer); |
| } |
| |
| static void _rtl92e_dm_fsync_timer_callback(struct timer_list *t) |
| { |
| struct r8192_priv *priv = from_timer(priv, t, fsync_timer); |
| struct net_device *dev = priv->rtllib->dev; |
| u32 rate_index, rate_count = 0, rate_count_diff = 0; |
| bool bSwitchFromCountDiff = false; |
| bool bDoubleTimeInterval = false; |
| |
| if (priv->rtllib->link_state == MAC80211_LINKED && |
| priv->rtllib->bfsync_enable && |
| (priv->rtllib->ht_info->iot_action & HT_IOT_ACT_CDD_FSYNC)) { |
| u32 rate_bitmap; |
| |
| for (rate_index = 0; rate_index <= 27; rate_index++) { |
| rate_bitmap = 1 << rate_index; |
| if (priv->rtllib->fsync_rate_bitmap & rate_bitmap) |
| rate_count += |
| priv->stats.received_rate_histogram[1] |
| [rate_index]; |
| } |
| |
| if (rate_count < priv->rate_record) |
| rate_count_diff = 0xffffffff - rate_count + |
| priv->rate_record; |
| else |
| rate_count_diff = rate_count - priv->rate_record; |
| if (rate_count_diff < priv->rate_count_diff_rec) { |
| u32 DiffNum = priv->rate_count_diff_rec - |
| rate_count_diff; |
| if (DiffNum >= |
| priv->rtllib->fsync_seconddiff_ratethreshold) |
| priv->continue_diff_count++; |
| else |
| priv->continue_diff_count = 0; |
| |
| if (priv->continue_diff_count >= 2) { |
| bSwitchFromCountDiff = true; |
| priv->continue_diff_count = 0; |
| } |
| } else { |
| priv->continue_diff_count = 0; |
| } |
| |
| if (rate_count_diff <= |
| priv->rtllib->fsync_firstdiff_ratethreshold) { |
| bSwitchFromCountDiff = true; |
| priv->continue_diff_count = 0; |
| } |
| priv->rate_record = rate_count; |
| priv->rate_count_diff_rec = rate_count_diff; |
| if (priv->undecorated_smoothed_pwdb > |
| priv->rtllib->fsync_rssi_threshold && |
| bSwitchFromCountDiff) { |
| bDoubleTimeInterval = true; |
| priv->bswitch_fsync = !priv->bswitch_fsync; |
| if (priv->bswitch_fsync) { |
| rtl92e_writeb(dev, 0xC36, 0x1c); |
| rtl92e_writeb(dev, 0xC3e, 0x90); |
| } else { |
| rtl92e_writeb(dev, 0xC36, 0x5c); |
| rtl92e_writeb(dev, 0xC3e, 0x96); |
| } |
| } else if (priv->undecorated_smoothed_pwdb <= |
| priv->rtllib->fsync_rssi_threshold) { |
| if (priv->bswitch_fsync) { |
| priv->bswitch_fsync = false; |
| rtl92e_writeb(dev, 0xC36, 0x5c); |
| rtl92e_writeb(dev, 0xC3e, 0x96); |
| } |
| } |
| if (bDoubleTimeInterval) { |
| if (timer_pending(&priv->fsync_timer)) |
| del_timer_sync(&priv->fsync_timer); |
| priv->fsync_timer.expires = jiffies + |
| msecs_to_jiffies(priv->rtllib->fsync_time_interval * |
| priv->rtllib->fsync_multiple_timeinterval); |
| add_timer(&priv->fsync_timer); |
| } else { |
| if (timer_pending(&priv->fsync_timer)) |
| del_timer_sync(&priv->fsync_timer); |
| priv->fsync_timer.expires = jiffies + |
| msecs_to_jiffies(priv->rtllib->fsync_time_interval); |
| add_timer(&priv->fsync_timer); |
| } |
| } else { |
| if (priv->bswitch_fsync) { |
| priv->bswitch_fsync = false; |
| rtl92e_writeb(dev, 0xC36, 0x5c); |
| rtl92e_writeb(dev, 0xC3e, 0x96); |
| } |
| priv->continue_diff_count = 0; |
| rtl92e_writel(dev, rOFDM0_RxDetector2, 0x465c52cd); |
| } |
| } |
| |
| static void _rtl92e_dm_start_hw_fsync(struct net_device *dev) |
| { |
| u8 rf_timing = 0x77; |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| rtl92e_writel(dev, rOFDM0_RxDetector2, 0x465c12cf); |
| priv->rtllib->SetHwRegHandler(dev, HW_VAR_RF_TIMING, |
| (u8 *)(&rf_timing)); |
| rtl92e_writeb(dev, 0xc3b, 0x41); |
| } |
| |
| static void _rtl92e_dm_end_hw_fsync(struct net_device *dev) |
| { |
| u8 rf_timing = 0xaa; |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| rtl92e_writel(dev, rOFDM0_RxDetector2, 0x465c52cd); |
| priv->rtllib->SetHwRegHandler(dev, HW_VAR_RF_TIMING, (u8 *) |
| (&rf_timing)); |
| rtl92e_writeb(dev, 0xc3b, 0x49); |
| } |
| |
| static void _rtl92e_dm_end_sw_fsync(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| del_timer_sync(&(priv->fsync_timer)); |
| |
| if (priv->bswitch_fsync) { |
| priv->bswitch_fsync = false; |
| |
| rtl92e_writeb(dev, 0xC36, 0x5c); |
| |
| rtl92e_writeb(dev, 0xC3e, 0x96); |
| } |
| |
| priv->continue_diff_count = 0; |
| rtl92e_writel(dev, rOFDM0_RxDetector2, 0x465c52cd); |
| } |
| |
| static void _rtl92e_dm_start_sw_fsync(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| u32 rate_index; |
| u32 rate_bitmap; |
| |
| priv->rate_record = 0; |
| priv->continue_diff_count = 0; |
| priv->rate_count_diff_rec = 0; |
| priv->bswitch_fsync = false; |
| |
| if (priv->rtllib->mode == WIRELESS_MODE_N_24G) { |
| priv->rtllib->fsync_firstdiff_ratethreshold = 600; |
| priv->rtllib->fsync_seconddiff_ratethreshold = 0xffff; |
| } else { |
| priv->rtllib->fsync_firstdiff_ratethreshold = 200; |
| priv->rtllib->fsync_seconddiff_ratethreshold = 200; |
| } |
| for (rate_index = 0; rate_index <= 27; rate_index++) { |
| rate_bitmap = 1 << rate_index; |
| if (priv->rtllib->fsync_rate_bitmap & rate_bitmap) |
| priv->rate_record += |
| priv->stats.received_rate_histogram[1] |
| [rate_index]; |
| } |
| if (timer_pending(&priv->fsync_timer)) |
| del_timer_sync(&priv->fsync_timer); |
| priv->fsync_timer.expires = jiffies + |
| msecs_to_jiffies(priv->rtllib->fsync_time_interval); |
| add_timer(&priv->fsync_timer); |
| |
| rtl92e_writel(dev, rOFDM0_RxDetector2, 0x465c12cd); |
| } |
| |
| static void _rtl92e_dm_check_fsync(struct net_device *dev) |
| { |
| #define RegC38_Default 0 |
| #define RegC38_NonFsync_Other_AP 1 |
| #define RegC38_Fsync_AP_BCM 2 |
| struct r8192_priv *priv = rtllib_priv(dev); |
| static u8 reg_c38_State = RegC38_Default; |
| |
| if (priv->rtllib->link_state == MAC80211_LINKED && |
| priv->rtllib->ht_info->iot_peer == HT_IOT_PEER_BROADCOM) { |
| if (priv->rtllib->bfsync_enable == 0) { |
| switch (priv->rtllib->fsync_state) { |
| case Default_Fsync: |
| _rtl92e_dm_start_hw_fsync(dev); |
| priv->rtllib->fsync_state = HW_Fsync; |
| break; |
| case SW_Fsync: |
| _rtl92e_dm_end_sw_fsync(dev); |
| _rtl92e_dm_start_hw_fsync(dev); |
| priv->rtllib->fsync_state = HW_Fsync; |
| break; |
| case HW_Fsync: |
| default: |
| break; |
| } |
| } else { |
| switch (priv->rtllib->fsync_state) { |
| case Default_Fsync: |
| _rtl92e_dm_start_sw_fsync(dev); |
| priv->rtllib->fsync_state = SW_Fsync; |
| break; |
| case HW_Fsync: |
| _rtl92e_dm_end_hw_fsync(dev); |
| _rtl92e_dm_start_sw_fsync(dev); |
| priv->rtllib->fsync_state = SW_Fsync; |
| break; |
| case SW_Fsync: |
| default: |
| break; |
| } |
| } |
| if (reg_c38_State != RegC38_Fsync_AP_BCM) { |
| rtl92e_writeb(dev, rOFDM0_RxDetector3, 0x95); |
| |
| reg_c38_State = RegC38_Fsync_AP_BCM; |
| } |
| } else { |
| switch (priv->rtllib->fsync_state) { |
| case HW_Fsync: |
| _rtl92e_dm_end_hw_fsync(dev); |
| priv->rtllib->fsync_state = Default_Fsync; |
| break; |
| case SW_Fsync: |
| _rtl92e_dm_end_sw_fsync(dev); |
| priv->rtllib->fsync_state = Default_Fsync; |
| break; |
| case Default_Fsync: |
| default: |
| break; |
| } |
| |
| if (priv->rtllib->link_state == MAC80211_LINKED) { |
| if (priv->undecorated_smoothed_pwdb <= |
| RegC38_TH) { |
| if (reg_c38_State != |
| RegC38_NonFsync_Other_AP) { |
| rtl92e_writeb(dev, |
| rOFDM0_RxDetector3, |
| 0x90); |
| |
| reg_c38_State = |
| RegC38_NonFsync_Other_AP; |
| } |
| } else if (priv->undecorated_smoothed_pwdb >= |
| (RegC38_TH + 5)) { |
| if (reg_c38_State) { |
| rtl92e_writeb(dev, |
| rOFDM0_RxDetector3, |
| priv->framesync); |
| reg_c38_State = RegC38_Default; |
| } |
| } |
| } else { |
| if (reg_c38_State) { |
| rtl92e_writeb(dev, rOFDM0_RxDetector3, |
| priv->framesync); |
| reg_c38_State = RegC38_Default; |
| } |
| } |
| } |
| } |
| |
| /*---------------------------Define function prototype------------------------*/ |
| static void _rtl92e_dm_init_dynamic_tx_power(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| priv->rtllib->bdynamic_txpower_enable = true; |
| priv->last_dtp_flag_high = false; |
| priv->last_dtp_flag_low = false; |
| priv->dynamic_tx_high_pwr = false; |
| priv->dynamic_tx_low_pwr = false; |
| } |
| |
| static void _rtl92e_dm_dynamic_tx_power(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| unsigned int txhipower_threshold = 0; |
| unsigned int txlowpower_threshold = 0; |
| |
| if (!priv->rtllib->bdynamic_txpower_enable) { |
| priv->dynamic_tx_high_pwr = false; |
| priv->dynamic_tx_low_pwr = false; |
| return; |
| } |
| if ((priv->rtllib->ht_info->iot_peer == HT_IOT_PEER_ATHEROS) && |
| (priv->rtllib->mode == WIRELESS_MODE_G)) { |
| txhipower_threshold = TX_POWER_ATHEROAP_THRESH_HIGH; |
| txlowpower_threshold = TX_POWER_ATHEROAP_THRESH_LOW; |
| } else { |
| txhipower_threshold = TX_POWER_NEAR_FIELD_THRESH_HIGH; |
| txlowpower_threshold = TX_POWER_NEAR_FIELD_THRESH_LOW; |
| } |
| |
| if (priv->rtllib->link_state == MAC80211_LINKED) { |
| if (priv->undecorated_smoothed_pwdb >= txhipower_threshold) { |
| priv->dynamic_tx_high_pwr = true; |
| priv->dynamic_tx_low_pwr = false; |
| } else { |
| if (priv->undecorated_smoothed_pwdb < |
| txlowpower_threshold && priv->dynamic_tx_high_pwr) |
| priv->dynamic_tx_high_pwr = false; |
| if (priv->undecorated_smoothed_pwdb < 35) |
| priv->dynamic_tx_low_pwr = true; |
| else if (priv->undecorated_smoothed_pwdb >= 40) |
| priv->dynamic_tx_low_pwr = false; |
| } |
| } else { |
| priv->dynamic_tx_high_pwr = false; |
| priv->dynamic_tx_low_pwr = false; |
| } |
| |
| if ((priv->dynamic_tx_high_pwr != priv->last_dtp_flag_high) || |
| (priv->dynamic_tx_low_pwr != priv->last_dtp_flag_low)) { |
| rtl92e_set_tx_power(dev, priv->rtllib->current_network.channel); |
| } |
| priv->last_dtp_flag_high = priv->dynamic_tx_high_pwr; |
| priv->last_dtp_flag_low = priv->dynamic_tx_low_pwr; |
| } |
| |
| static void _rtl92e_dm_check_txrateandretrycount(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| struct rtllib_device *ieee = priv->rtllib; |
| |
| ieee->softmac_stats.CurrentShowTxate = rtl92e_readb(dev, CURRENT_TX_RATE_REG); |
| ieee->softmac_stats.last_packet_rate = rtl92e_readb(dev, INITIAL_TX_RATE_REG); |
| ieee->softmac_stats.txretrycount = rtl92e_readl(dev, TX_RETRY_COUNT_REG); |
| } |
| |
| static void _rtl92e_dm_send_rssi_to_fw(struct net_device *dev) |
| { |
| struct r8192_priv *priv = rtllib_priv(dev); |
| |
| rtl92e_writeb(dev, DRIVER_RSSI, priv->undecorated_smoothed_pwdb); |
| } |
