// SPDX-License-Identifier: GPL-2.0
/*
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* Contact Information: wlanfae <[email protected]>
*/
#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;
static 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_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->get_half_nmode_support_by_aps_handler(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.forced_tx_20MHz = 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.forced_tx_20MHz) {
if (priv->undecorated_smoothed_pwdb <=
priv->rtllib->bandwidth_auto_switch.threshold_40Mhzto20Mhz)
priv->rtllib->bandwidth_auto_switch.forced_tx_20MHz = true;
} else {
if (priv->undecorated_smoothed_pwdb >=
priv->rtllib->bandwidth_auto_switch.threshold_20Mhzto40Mhz)
priv->rtllib->bandwidth_auto_switch.forced_tx_20MHz = 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;
}
/*-----------------------------------------------------------------------------
* 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(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->set_hw_reg_handler(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])
continue;
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])
continue;
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->set_hw_reg_handler(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->set_hw_reg_handler(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;
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;
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;
default:
break;
}
if (priv->rtllib->link_state == MAC80211_LINKED) {
if (priv->undecorated_smoothed_pwdb <=
REG_C38_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 >=
(REG_C38_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);
}
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