Linux kernel for sysmoBTS v2
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/******************************************************************************
*
* Copyright(c) 2009-2010 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "../efuse.h"
#include "../base.h"
#include "../regd.h"
#include "../cam.h"
#include "../ps.h"
#include "../pci.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
#include "fw.h"
#include "led.h"
#include "hw.h"
#include "../pwrseqcmd.h"
#include "pwrseq.h"
#include "../btcoexist/rtl_btc.h"
#define LLT_CONFIG 5
static void _rtl8821ae_return_beacon_queue_skb(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[BEACON_QUEUE];
unsigned long flags;
spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
while (skb_queue_len(&ring->queue)) {
struct rtl_tx_desc *entry = &ring->desc[ring->idx];
struct sk_buff *skb = __skb_dequeue(&ring->queue);
pci_unmap_single(rtlpci->pdev,
rtlpriv->cfg->ops->get_desc(
(u8 *)entry, true, HW_DESC_TXBUFF_ADDR),
skb->len, PCI_DMA_TODEVICE);
kfree_skb(skb);
ring->idx = (ring->idx + 1) % ring->entries;
}
spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
}
static void _rtl8821ae_set_bcn_ctrl_reg(struct ieee80211_hw *hw,
u8 set_bits, u8 clear_bits)
{
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpci->reg_bcn_ctrl_val |= set_bits;
rtlpci->reg_bcn_ctrl_val &= ~clear_bits;
rtl_write_byte(rtlpriv, REG_BCN_CTRL, (u8)rtlpci->reg_bcn_ctrl_val);
}
void _rtl8821ae_stop_tx_beacon(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 tmp1byte;
tmp1byte = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2);
rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2, tmp1byte & (~BIT(6)));
rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 1, 0x64);
tmp1byte = rtl_read_byte(rtlpriv, REG_TBTT_PROHIBIT + 2);
tmp1byte &= ~(BIT(0));
rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 2, tmp1byte);
}
void _rtl8821ae_resume_tx_beacon(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 tmp1byte;
tmp1byte = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2);
rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2, tmp1byte | BIT(6));
rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 1, 0xff);
tmp1byte = rtl_read_byte(rtlpriv, REG_TBTT_PROHIBIT + 2);
tmp1byte |= BIT(0);
rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 2, tmp1byte);
}
static void _rtl8821ae_enable_bcn_sub_func(struct ieee80211_hw *hw)
{
_rtl8821ae_set_bcn_ctrl_reg(hw, 0, BIT(1));
}
static void _rtl8821ae_disable_bcn_sub_func(struct ieee80211_hw *hw)
{
_rtl8821ae_set_bcn_ctrl_reg(hw, BIT(1), 0);
}
static void _rtl8821ae_set_fw_clock_on(struct ieee80211_hw *hw,
u8 rpwm_val, bool b_need_turn_off_ckk)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
bool b_support_remote_wake_up;
u32 count = 0, isr_regaddr, content;
bool b_schedule_timer = b_need_turn_off_ckk;
rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
(u8 *)(&b_support_remote_wake_up));
if (!rtlhal->fw_ready)
return;
if (!rtlpriv->psc.fw_current_inpsmode)
return;
while (1) {
spin_lock_bh(&rtlpriv->locks.fw_ps_lock);
if (rtlhal->fw_clk_change_in_progress) {
while (rtlhal->fw_clk_change_in_progress) {
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
count++;
udelay(100);
if (count > 1000)
goto change_done;
spin_lock_bh(&rtlpriv->locks.fw_ps_lock);
}
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
} else {
rtlhal->fw_clk_change_in_progress = false;
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
goto change_done;
}
}
change_done:
if (IS_IN_LOW_POWER_STATE_8821AE(rtlhal->fw_ps_state)) {
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_SET_RPWM,
(u8 *)(&rpwm_val));
if (FW_PS_IS_ACK(rpwm_val)) {
isr_regaddr = REG_HISR;
content = rtl_read_dword(rtlpriv, isr_regaddr);
while (!(content & IMR_CPWM) && (count < 500)) {
udelay(50);
count++;
content = rtl_read_dword(rtlpriv, isr_regaddr);
}
if (content & IMR_CPWM) {
rtl_write_word(rtlpriv, isr_regaddr, 0x0100);
rtlhal->fw_ps_state = FW_PS_STATE_RF_ON_8821AE;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"Receive CPWM INT!!! Set rtlhal->FwPSState = %X\n",
rtlhal->fw_ps_state);
}
}
spin_lock_bh(&rtlpriv->locks.fw_ps_lock);
rtlhal->fw_clk_change_in_progress = false;
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
if (b_schedule_timer)
mod_timer(&rtlpriv->works.fw_clockoff_timer,
jiffies + MSECS(10));
} else {
spin_lock_bh(&rtlpriv->locks.fw_ps_lock);
rtlhal->fw_clk_change_in_progress = false;
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
}
}
static void _rtl8821ae_set_fw_clock_off(struct ieee80211_hw *hw,
u8 rpwm_val)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl8192_tx_ring *ring;
enum rf_pwrstate rtstate;
bool b_schedule_timer = false;
u8 queue;
if (!rtlhal->fw_ready)
return;
if (!rtlpriv->psc.fw_current_inpsmode)
return;
if (!rtlhal->allow_sw_to_change_hwclc)
return;
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RF_STATE, (u8 *)(&rtstate));
if (rtstate == ERFOFF || rtlpriv->psc.inactive_pwrstate == ERFOFF)
return;
for (queue = 0; queue < RTL_PCI_MAX_TX_QUEUE_COUNT; queue++) {
ring = &rtlpci->tx_ring[queue];
if (skb_queue_len(&ring->queue)) {
b_schedule_timer = true;
break;
}
}
if (b_schedule_timer) {
mod_timer(&rtlpriv->works.fw_clockoff_timer,
jiffies + MSECS(10));
return;
}
if (FW_PS_STATE(rtlhal->fw_ps_state) !=
FW_PS_STATE_RF_OFF_LOW_PWR_8821AE) {
spin_lock_bh(&rtlpriv->locks.fw_ps_lock);
if (!rtlhal->fw_clk_change_in_progress) {
rtlhal->fw_clk_change_in_progress = true;
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
rtlhal->fw_ps_state = FW_PS_STATE(rpwm_val);
rtl_write_word(rtlpriv, REG_HISR, 0x0100);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SET_RPWM,
(u8 *)(&rpwm_val));
spin_lock_bh(&rtlpriv->locks.fw_ps_lock);
rtlhal->fw_clk_change_in_progress = false;
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
} else {
spin_unlock_bh(&rtlpriv->locks.fw_ps_lock);
mod_timer(&rtlpriv->works.fw_clockoff_timer,
jiffies + MSECS(10));
}
}
}
static void _rtl8821ae_set_fw_ps_rf_on(struct ieee80211_hw *hw)
{
u8 rpwm_val = 0;
rpwm_val |= (FW_PS_STATE_RF_OFF_8821AE | FW_PS_ACK);
_rtl8821ae_set_fw_clock_on(hw, rpwm_val, true);
}
static void _rtl8821ae_fwlps_leave(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
bool fw_current_inps = false;
u8 rpwm_val = 0, fw_pwrmode = FW_PS_ACTIVE_MODE;
if (ppsc->low_power_enable) {
rpwm_val = (FW_PS_STATE_ALL_ON_8821AE|FW_PS_ACK);/* RF on */
_rtl8821ae_set_fw_clock_on(hw, rpwm_val, false);
rtlhal->allow_sw_to_change_hwclc = false;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_H2C_FW_PWRMODE,
(u8 *)(&fw_pwrmode));
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
(u8 *)(&fw_current_inps));
} else {
rpwm_val = FW_PS_STATE_ALL_ON_8821AE; /* RF on */
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SET_RPWM,
(u8 *)(&rpwm_val));
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_H2C_FW_PWRMODE,
(u8 *)(&fw_pwrmode));
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
(u8 *)(&fw_current_inps));
}
}
static void _rtl8821ae_fwlps_enter(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
bool fw_current_inps = true;
u8 rpwm_val;
if (ppsc->low_power_enable) {
rpwm_val = FW_PS_STATE_RF_OFF_LOW_PWR_8821AE; /* RF off */
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_FW_PSMODE_STATUS,
(u8 *)(&fw_current_inps));
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_H2C_FW_PWRMODE,
(u8 *)(&ppsc->fwctrl_psmode));
rtlhal->allow_sw_to_change_hwclc = true;
_rtl8821ae_set_fw_clock_off(hw, rpwm_val);
} else {
rpwm_val = FW_PS_STATE_RF_OFF_8821AE; /* RF off */
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_FW_PSMODE_STATUS,
(u8 *)(&fw_current_inps));
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_H2C_FW_PWRMODE,
(u8 *)(&ppsc->fwctrl_psmode));
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_SET_RPWM,
(u8 *)(&rpwm_val));
}
}
static void _rtl8821ae_download_rsvd_page(struct ieee80211_hw *hw,
bool dl_whole_packets)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
u8 tmp_regcr, tmp_reg422, bcnvalid_reg;
u8 count = 0, dlbcn_count = 0;
bool send_beacon = false;
tmp_regcr = rtl_read_byte(rtlpriv, REG_CR + 1);
rtl_write_byte(rtlpriv, REG_CR + 1, (tmp_regcr | BIT(0)));
_rtl8821ae_set_bcn_ctrl_reg(hw, 0, BIT(3));
_rtl8821ae_set_bcn_ctrl_reg(hw, BIT(4), 0);
tmp_reg422 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2);
rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2,
tmp_reg422 & (~BIT(6)));
if (tmp_reg422 & BIT(6))
send_beacon = true;
do {
bcnvalid_reg = rtl_read_byte(rtlpriv, REG_TDECTRL + 2);
rtl_write_byte(rtlpriv, REG_TDECTRL + 2,
(bcnvalid_reg | BIT(0)));
_rtl8821ae_return_beacon_queue_skb(hw);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtl8812ae_set_fw_rsvdpagepkt(hw, false,
dl_whole_packets);
else
rtl8821ae_set_fw_rsvdpagepkt(hw, false,
dl_whole_packets);
bcnvalid_reg = rtl_read_byte(rtlpriv, REG_TDECTRL + 2);
count = 0;
while (!(bcnvalid_reg & BIT(0)) && count < 20) {
count++;
udelay(10);
bcnvalid_reg = rtl_read_byte(rtlpriv, REG_TDECTRL + 2);
}
dlbcn_count++;
} while (!(bcnvalid_reg & BIT(0)) && dlbcn_count < 5);
if (!(bcnvalid_reg & BIT(0)))
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Download RSVD page failed!\n");
if (bcnvalid_reg & BIT(0) && rtlhal->enter_pnp_sleep) {
rtl_write_byte(rtlpriv, REG_TDECTRL + 2, bcnvalid_reg | BIT(0));
_rtl8821ae_return_beacon_queue_skb(hw);
if (send_beacon) {
dlbcn_count = 0;
do {
rtl_write_byte(rtlpriv, REG_TDECTRL + 2,
bcnvalid_reg | BIT(0));
_rtl8821ae_return_beacon_queue_skb(hw);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtl8812ae_set_fw_rsvdpagepkt(hw, true,
false);
else
rtl8821ae_set_fw_rsvdpagepkt(hw, true,
false);
/* check rsvd page download OK. */
bcnvalid_reg = rtl_read_byte(rtlpriv,
REG_TDECTRL + 2);
count = 0;
while (!(bcnvalid_reg & BIT(0)) && count < 20) {
count++;
udelay(10);
bcnvalid_reg =
rtl_read_byte(rtlpriv,
REG_TDECTRL + 2);
}
dlbcn_count++;
} while (!(bcnvalid_reg & BIT(0)) && dlbcn_count < 5);
if (!(bcnvalid_reg & BIT(0)))
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"2 Download RSVD page failed!\n");
}
}
if (bcnvalid_reg & BIT(0))
rtl_write_byte(rtlpriv, REG_TDECTRL + 2, BIT(0));
_rtl8821ae_set_bcn_ctrl_reg(hw, BIT(3), 0);
_rtl8821ae_set_bcn_ctrl_reg(hw, 0, BIT(4));
if (send_beacon)
rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2, tmp_reg422);
if (!rtlhal->enter_pnp_sleep) {
tmp_regcr = rtl_read_byte(rtlpriv, REG_CR + 1);
rtl_write_byte(rtlpriv, REG_CR + 1, (tmp_regcr & ~(BIT(0))));
}
}
void rtl8821ae_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
switch (variable) {
case HW_VAR_ETHER_ADDR:
*((u32 *)(val)) = rtl_read_dword(rtlpriv, REG_MACID);
*((u16 *)(val+4)) = rtl_read_word(rtlpriv, REG_MACID + 4);
break;
case HW_VAR_BSSID:
*((u32 *)(val)) = rtl_read_dword(rtlpriv, REG_BSSID);
*((u16 *)(val+4)) = rtl_read_word(rtlpriv, REG_BSSID+4);
break;
case HW_VAR_MEDIA_STATUS:
val[0] = rtl_read_byte(rtlpriv, MSR) & 0x3;
break;
case HW_VAR_SLOT_TIME:
*((u8 *)(val)) = mac->slot_time;
break;
case HW_VAR_BEACON_INTERVAL:
*((u16 *)(val)) = rtl_read_word(rtlpriv, REG_BCN_INTERVAL);
break;
case HW_VAR_ATIM_WINDOW:
*((u16 *)(val)) = rtl_read_word(rtlpriv, REG_ATIMWND);
break;
case HW_VAR_RCR:
*((u32 *)(val)) = rtlpci->receive_config;
break;
case HW_VAR_RF_STATE:
*((enum rf_pwrstate *)(val)) = ppsc->rfpwr_state;
break;
case HW_VAR_FWLPS_RF_ON:{
enum rf_pwrstate rfstate;
u32 val_rcr;
rtlpriv->cfg->ops->get_hw_reg(hw,
HW_VAR_RF_STATE,
(u8 *)(&rfstate));
if (rfstate == ERFOFF) {
*((bool *)(val)) = true;
} else {
val_rcr = rtl_read_dword(rtlpriv, REG_RCR);
val_rcr &= 0x00070000;
if (val_rcr)
*((bool *)(val)) = false;
else
*((bool *)(val)) = true;
}
break; }
case HW_VAR_FW_PSMODE_STATUS:
*((bool *)(val)) = ppsc->fw_current_inpsmode;
break;
case HW_VAR_CORRECT_TSF:{
u64 tsf;
u32 *ptsf_low = (u32 *)&tsf;
u32 *ptsf_high = ((u32 *)&tsf) + 1;
*ptsf_high = rtl_read_dword(rtlpriv, (REG_TSFTR + 4));
*ptsf_low = rtl_read_dword(rtlpriv, REG_TSFTR);
*((u64 *)(val)) = tsf;
break; }
case HAL_DEF_WOWLAN:
if (ppsc->wo_wlan_mode)
*((bool *)(val)) = true;
else
*((bool *)(val)) = false;
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
"switch case %#x not processed\n", variable);
break;
}
}
void rtl8821ae_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 idx;
switch (variable) {
case HW_VAR_ETHER_ADDR:{
for (idx = 0; idx < ETH_ALEN; idx++) {
rtl_write_byte(rtlpriv, (REG_MACID + idx),
val[idx]);
}
break;
}
case HW_VAR_BASIC_RATE:{
u16 b_rate_cfg = ((u16 *)val)[0];
b_rate_cfg = b_rate_cfg & 0x15f;
rtl_write_word(rtlpriv, REG_RRSR, b_rate_cfg);
break;
}
case HW_VAR_BSSID:{
for (idx = 0; idx < ETH_ALEN; idx++) {
rtl_write_byte(rtlpriv, (REG_BSSID + idx),
val[idx]);
}
break;
}
case HW_VAR_SIFS:
rtl_write_byte(rtlpriv, REG_SIFS_CTX + 1, val[0]);
rtl_write_byte(rtlpriv, REG_SIFS_TRX + 1, val[0]);
rtl_write_byte(rtlpriv, REG_SPEC_SIFS + 1, val[0]);
rtl_write_byte(rtlpriv, REG_MAC_SPEC_SIFS + 1, val[0]);
rtl_write_byte(rtlpriv, REG_RESP_SIFS_OFDM + 1, val[0]);
rtl_write_byte(rtlpriv, REG_RESP_SIFS_OFDM, val[0]);
break;
case HW_VAR_R2T_SIFS:
rtl_write_byte(rtlpriv, REG_RESP_SIFS_OFDM + 1, val[0]);
break;
case HW_VAR_SLOT_TIME:{
u8 e_aci;
RT_TRACE(rtlpriv, COMP_MLME, DBG_LOUD,
"HW_VAR_SLOT_TIME %x\n", val[0]);
rtl_write_byte(rtlpriv, REG_SLOT, val[0]);
for (e_aci = 0; e_aci < AC_MAX; e_aci++) {
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_AC_PARAM,
(u8 *)(&e_aci));
}
break; }
case HW_VAR_ACK_PREAMBLE:{
u8 reg_tmp;
u8 short_preamble = (bool)(*(u8 *)val);
reg_tmp = rtl_read_byte(rtlpriv, REG_TRXPTCL_CTL+2);
if (short_preamble) {
reg_tmp |= BIT(1);
rtl_write_byte(rtlpriv, REG_TRXPTCL_CTL + 2,
reg_tmp);
} else {
reg_tmp &= (~BIT(1));
rtl_write_byte(rtlpriv,
REG_TRXPTCL_CTL + 2,
reg_tmp);
}
break; }
case HW_VAR_WPA_CONFIG:
rtl_write_byte(rtlpriv, REG_SECCFG, *((u8 *)val));
break;
case HW_VAR_AMPDU_MIN_SPACE:{
u8 min_spacing_to_set;
u8 sec_min_space;
min_spacing_to_set = *((u8 *)val);
if (min_spacing_to_set <= 7) {
sec_min_space = 0;
if (min_spacing_to_set < sec_min_space)
min_spacing_to_set = sec_min_space;
mac->min_space_cfg = ((mac->min_space_cfg &
0xf8) |
min_spacing_to_set);
*val = min_spacing_to_set;
RT_TRACE(rtlpriv, COMP_MLME, DBG_LOUD,
"Set HW_VAR_AMPDU_MIN_SPACE: %#x\n",
mac->min_space_cfg);
rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE,
mac->min_space_cfg);
}
break; }
case HW_VAR_SHORTGI_DENSITY:{
u8 density_to_set;
density_to_set = *((u8 *)val);
mac->min_space_cfg |= (density_to_set << 3);
RT_TRACE(rtlpriv, COMP_MLME, DBG_LOUD,
"Set HW_VAR_SHORTGI_DENSITY: %#x\n",
mac->min_space_cfg);
rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE,
mac->min_space_cfg);
break; }
case HW_VAR_AMPDU_FACTOR:{
u32 ampdu_len = (*((u8 *)val));
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
if (ampdu_len < VHT_AGG_SIZE_128K)
ampdu_len =
(0x2000 << (*((u8 *)val))) - 1;
else
ampdu_len = 0x1ffff;
} else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
if (ampdu_len < HT_AGG_SIZE_64K)
ampdu_len =
(0x2000 << (*((u8 *)val))) - 1;
else
ampdu_len = 0xffff;
}
ampdu_len |= BIT(31);
rtl_write_dword(rtlpriv,
REG_AMPDU_MAX_LENGTH_8812, ampdu_len);
break; }
case HW_VAR_AC_PARAM:{
u8 e_aci = *((u8 *)val);
rtl8821ae_dm_init_edca_turbo(hw);
if (rtlpci->acm_method != EACMWAY2_SW)
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_ACM_CTRL,
(u8 *)(&e_aci));
break; }
case HW_VAR_ACM_CTRL:{
u8 e_aci = *((u8 *)val);
union aci_aifsn *p_aci_aifsn =
(union aci_aifsn *)(&mac->ac[0].aifs);
u8 acm = p_aci_aifsn->f.acm;
u8 acm_ctrl = rtl_read_byte(rtlpriv, REG_ACMHWCTRL);
acm_ctrl =
acm_ctrl | ((rtlpci->acm_method == 2) ? 0x0 : 0x1);
if (acm) {
switch (e_aci) {
case AC0_BE:
acm_ctrl |= ACMHW_BEQEN;
break;
case AC2_VI:
acm_ctrl |= ACMHW_VIQEN;
break;
case AC3_VO:
acm_ctrl |= ACMHW_VOQEN;
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"HW_VAR_ACM_CTRL acm set failed: eACI is %d\n",
acm);
break;
}
} else {
switch (e_aci) {
case AC0_BE:
acm_ctrl &= (~ACMHW_BEQEN);
break;
case AC2_VI:
acm_ctrl &= (~ACMHW_VIQEN);
break;
case AC3_VO:
acm_ctrl &= (~ACMHW_VOQEN);
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
"switch case %#x not processed\n",
e_aci);
break;
}
}
RT_TRACE(rtlpriv, COMP_QOS, DBG_TRACE,
"SetHwReg8190pci(): [HW_VAR_ACM_CTRL] Write 0x%X\n",
acm_ctrl);
rtl_write_byte(rtlpriv, REG_ACMHWCTRL, acm_ctrl);
break; }
case HW_VAR_RCR:
rtl_write_dword(rtlpriv, REG_RCR, ((u32 *)(val))[0]);
rtlpci->receive_config = ((u32 *)(val))[0];
break;
case HW_VAR_RETRY_LIMIT:{
u8 retry_limit = ((u8 *)(val))[0];
rtl_write_word(rtlpriv, REG_RL,
retry_limit << RETRY_LIMIT_SHORT_SHIFT |
retry_limit << RETRY_LIMIT_LONG_SHIFT);
break; }
case HW_VAR_DUAL_TSF_RST:
rtl_write_byte(rtlpriv, REG_DUAL_TSF_RST, (BIT(0) | BIT(1)));
break;
case HW_VAR_EFUSE_BYTES:
rtlefuse->efuse_usedbytes = *((u16 *)val);
break;
case HW_VAR_EFUSE_USAGE:
rtlefuse->efuse_usedpercentage = *((u8 *)val);
break;
case HW_VAR_IO_CMD:
rtl8821ae_phy_set_io_cmd(hw, (*(enum io_type *)val));
break;
case HW_VAR_SET_RPWM:{
u8 rpwm_val;
rpwm_val = rtl_read_byte(rtlpriv, REG_PCIE_HRPWM);
udelay(1);
if (rpwm_val & BIT(7)) {
rtl_write_byte(rtlpriv, REG_PCIE_HRPWM,
(*(u8 *)val));
} else {
rtl_write_byte(rtlpriv, REG_PCIE_HRPWM,
((*(u8 *)val) | BIT(7)));
}
break; }
case HW_VAR_H2C_FW_PWRMODE:
rtl8821ae_set_fw_pwrmode_cmd(hw, (*(u8 *)val));
break;
case HW_VAR_FW_PSMODE_STATUS:
ppsc->fw_current_inpsmode = *((bool *)val);
break;
case HW_VAR_INIT_RTS_RATE:
break;
case HW_VAR_RESUME_CLK_ON:
_rtl8821ae_set_fw_ps_rf_on(hw);
break;
case HW_VAR_FW_LPS_ACTION:{
bool b_enter_fwlps = *((bool *)val);
if (b_enter_fwlps)
_rtl8821ae_fwlps_enter(hw);
else
_rtl8821ae_fwlps_leave(hw);
break; }
case HW_VAR_H2C_FW_JOINBSSRPT:{
u8 mstatus = (*(u8 *)val);
if (mstatus == RT_MEDIA_CONNECT) {
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AID,
NULL);
_rtl8821ae_download_rsvd_page(hw, false);
}
rtl8821ae_set_fw_media_status_rpt_cmd(hw, mstatus);
break; }
case HW_VAR_H2C_FW_P2P_PS_OFFLOAD:
rtl8821ae_set_p2p_ps_offload_cmd(hw, (*(u8 *)val));
break;
case HW_VAR_AID:{
u16 u2btmp;
u2btmp = rtl_read_word(rtlpriv, REG_BCN_PSR_RPT);
u2btmp &= 0xC000;
rtl_write_word(rtlpriv, REG_BCN_PSR_RPT, (u2btmp |
mac->assoc_id));
break; }
case HW_VAR_CORRECT_TSF:{
u8 btype_ibss = ((u8 *)(val))[0];
if (btype_ibss)
_rtl8821ae_stop_tx_beacon(hw);
_rtl8821ae_set_bcn_ctrl_reg(hw, 0, BIT(3));
rtl_write_dword(rtlpriv, REG_TSFTR,
(u32)(mac->tsf & 0xffffffff));
rtl_write_dword(rtlpriv, REG_TSFTR + 4,
(u32)((mac->tsf >> 32) & 0xffffffff));
_rtl8821ae_set_bcn_ctrl_reg(hw, BIT(3), 0);
if (btype_ibss)
_rtl8821ae_resume_tx_beacon(hw);
break; }
case HW_VAR_NAV_UPPER: {
u32 us_nav_upper = *(u32 *)val;
if (us_nav_upper > HAL_92C_NAV_UPPER_UNIT * 0xFF) {
RT_TRACE(rtlpriv, COMP_INIT , DBG_WARNING,
"The setting value (0x%08X us) of NAV_UPPER is larger than (%d * 0xFF)!!!\n",
us_nav_upper, HAL_92C_NAV_UPPER_UNIT);
break;
}
rtl_write_byte(rtlpriv, REG_NAV_UPPER,
((u8)((us_nav_upper +
HAL_92C_NAV_UPPER_UNIT - 1) /
HAL_92C_NAV_UPPER_UNIT)));
break; }
case HW_VAR_KEEP_ALIVE: {
u8 array[2];
array[0] = 0xff;
array[1] = *((u8 *)val);
rtl8821ae_fill_h2c_cmd(hw, H2C_8821AE_KEEP_ALIVE_CTRL, 2,
array);
break; }
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
"switch case %#x not processed\n", variable);
break;
}
}
static bool _rtl8821ae_llt_write(struct ieee80211_hw *hw, u32 address, u32 data)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
bool status = true;
long count = 0;
u32 value = _LLT_INIT_ADDR(address) | _LLT_INIT_DATA(data) |
_LLT_OP(_LLT_WRITE_ACCESS);
rtl_write_dword(rtlpriv, REG_LLT_INIT, value);
do {
value = rtl_read_dword(rtlpriv, REG_LLT_INIT);
if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value))
break;
if (count > POLLING_LLT_THRESHOLD) {
pr_err("Failed to polling write LLT done at address %d!\n",
address);
status = false;
break;
}
} while (++count);
return status;
}
static bool _rtl8821ae_llt_table_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
unsigned short i;
u8 txpktbuf_bndy;
u32 rqpn;
u8 maxpage;
bool status;
maxpage = 255;
txpktbuf_bndy = 0xF7;
rqpn = 0x80e60808;
rtl_write_byte(rtlpriv, REG_TRXFF_BNDY, txpktbuf_bndy);
rtl_write_word(rtlpriv, REG_TRXFF_BNDY + 2, MAX_RX_DMA_BUFFER_SIZE - 1);
rtl_write_byte(rtlpriv, REG_TDECTRL + 1, txpktbuf_bndy);
rtl_write_byte(rtlpriv, REG_TXPKTBUF_BCNQ_BDNY, txpktbuf_bndy);
rtl_write_byte(rtlpriv, REG_TXPKTBUF_MGQ_BDNY, txpktbuf_bndy);
rtl_write_byte(rtlpriv, REG_PBP, 0x31);
rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, 0x4);
for (i = 0; i < (txpktbuf_bndy - 1); i++) {
status = _rtl8821ae_llt_write(hw, i, i + 1);
if (!status)
return status;
}
status = _rtl8821ae_llt_write(hw, (txpktbuf_bndy - 1), 0xFF);
if (!status)
return status;
for (i = txpktbuf_bndy; i < maxpage; i++) {
status = _rtl8821ae_llt_write(hw, i, (i + 1));
if (!status)
return status;
}
status = _rtl8821ae_llt_write(hw, maxpage, txpktbuf_bndy);
if (!status)
return status;
rtl_write_dword(rtlpriv, REG_RQPN, rqpn);
rtl_write_byte(rtlpriv, REG_RQPN_NPQ, 0x00);
return true;
}
static void _rtl8821ae_gen_refresh_led_state(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
if (rtlpriv->rtlhal.up_first_time)
return;
if (ppsc->rfoff_reason == RF_CHANGE_BY_IPS)
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtl8812ae_sw_led_on(hw, pled0);
else
rtl8821ae_sw_led_on(hw, pled0);
else if (ppsc->rfoff_reason == RF_CHANGE_BY_INIT)
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtl8812ae_sw_led_on(hw, pled0);
else
rtl8821ae_sw_led_on(hw, pled0);
else
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtl8812ae_sw_led_off(hw, pled0);
else
rtl8821ae_sw_led_off(hw, pled0);
}
static bool _rtl8821ae_init_mac(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 bytetmp = 0;
u16 wordtmp = 0;
bool mac_func_enable = rtlhal->mac_func_enable;
rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x00);
/*Auto Power Down to CHIP-off State*/
bytetmp = rtl_read_byte(rtlpriv, REG_APS_FSMCO + 1) & (~BIT(7));
rtl_write_byte(rtlpriv, REG_APS_FSMCO + 1, bytetmp);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
/* HW Power on sequence*/
if (!rtl_hal_pwrseqcmdparsing(rtlpriv, PWR_CUT_ALL_MSK,
PWR_FAB_ALL_MSK, PWR_INTF_PCI_MSK,
RTL8812_NIC_ENABLE_FLOW)) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"init 8812 MAC Fail as power on failure\n");
return false;
}
} else {
/* HW Power on sequence */
if (!rtl_hal_pwrseqcmdparsing(rtlpriv, PWR_CUT_A_MSK,
PWR_FAB_ALL_MSK, PWR_INTF_PCI_MSK,
RTL8821A_NIC_ENABLE_FLOW)){
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"init 8821 MAC Fail as power on failure\n");
return false;
}
}
bytetmp = rtl_read_byte(rtlpriv, REG_APS_FSMCO) | BIT(4);
rtl_write_byte(rtlpriv, REG_APS_FSMCO, bytetmp);
bytetmp = rtl_read_byte(rtlpriv, REG_CR);
bytetmp = 0xff;
rtl_write_byte(rtlpriv, REG_CR, bytetmp);
mdelay(2);
bytetmp = 0xff;
rtl_write_byte(rtlpriv, REG_HWSEQ_CTRL, bytetmp);
mdelay(2);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
bytetmp = rtl_read_byte(rtlpriv, REG_SYS_CFG + 3);
if (bytetmp & BIT(0)) {
bytetmp = rtl_read_byte(rtlpriv, 0x7c);
bytetmp |= BIT(6);
rtl_write_byte(rtlpriv, 0x7c, bytetmp);
}
}
bytetmp = rtl_read_byte(rtlpriv, REG_GPIO_MUXCFG + 1);
bytetmp &= ~BIT(4);
rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG + 1, bytetmp);
rtl_write_word(rtlpriv, REG_CR, 0x2ff);
if (!mac_func_enable) {
if (!_rtl8821ae_llt_table_init(hw))
return false;
}
rtl_write_dword(rtlpriv, REG_HISR, 0xffffffff);
rtl_write_dword(rtlpriv, REG_HISRE, 0xffffffff);
/* Enable FW Beamformer Interrupt */
bytetmp = rtl_read_byte(rtlpriv, REG_FWIMR + 3);
rtl_write_byte(rtlpriv, REG_FWIMR + 3, bytetmp | BIT(6));
wordtmp = rtl_read_word(rtlpriv, REG_TRXDMA_CTRL);
wordtmp &= 0xf;
wordtmp |= 0xF5B1;
rtl_write_word(rtlpriv, REG_TRXDMA_CTRL, wordtmp);
rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 1, 0x1F);
rtl_write_dword(rtlpriv, REG_RCR, rtlpci->receive_config);
rtl_write_word(rtlpriv, REG_RXFLTMAP2, 0xFFFF);
/*low address*/
rtl_write_dword(rtlpriv, REG_BCNQ_DESA,
rtlpci->tx_ring[BEACON_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_MGQ_DESA,
rtlpci->tx_ring[MGNT_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_VOQ_DESA,
rtlpci->tx_ring[VO_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_VIQ_DESA,
rtlpci->tx_ring[VI_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_BEQ_DESA,
rtlpci->tx_ring[BE_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_BKQ_DESA,
rtlpci->tx_ring[BK_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_HQ_DESA,
rtlpci->tx_ring[HIGH_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_RX_DESA,
rtlpci->rx_ring[RX_MPDU_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 3, 0x77);
rtl_write_dword(rtlpriv, REG_INT_MIG, 0);
rtl_write_dword(rtlpriv, REG_MCUTST_1, 0);
rtl_write_byte(rtlpriv, REG_SECONDARY_CCA_CTRL, 0x3);
_rtl8821ae_gen_refresh_led_state(hw);
return true;
}
static void _rtl8821ae_hw_configure(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
u32 reg_rrsr;
reg_rrsr = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
rtl_write_dword(rtlpriv, REG_RRSR, reg_rrsr);
/* ARFB table 9 for 11ac 5G 2SS */
rtl_write_dword(rtlpriv, REG_ARFR0 + 4, 0xfffff000);
/* ARFB table 10 for 11ac 5G 1SS */
rtl_write_dword(rtlpriv, REG_ARFR1 + 4, 0x003ff000);
/* ARFB table 11 for 11ac 24G 1SS */
rtl_write_dword(rtlpriv, REG_ARFR2, 0x00000015);
rtl_write_dword(rtlpriv, REG_ARFR2 + 4, 0x003ff000);
/* ARFB table 12 for 11ac 24G 1SS */
rtl_write_dword(rtlpriv, REG_ARFR3, 0x00000015);
rtl_write_dword(rtlpriv, REG_ARFR3 + 4, 0xffcff000);
/* 0x420[7] = 0 , enable retry AMPDU in new AMPD not singal MPDU. */
rtl_write_word(rtlpriv, REG_FWHW_TXQ_CTRL, 0x1F00);
rtl_write_byte(rtlpriv, REG_AMPDU_MAX_TIME, 0x70);
/*Set retry limit*/
rtl_write_word(rtlpriv, REG_RL, 0x0707);
/* Set Data / Response auto rate fallack retry count*/
rtl_write_dword(rtlpriv, REG_DARFRC, 0x01000000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4, 0x07060504);
rtl_write_dword(rtlpriv, REG_RARFRC, 0x01000000);
rtl_write_dword(rtlpriv, REG_RARFRC + 4, 0x07060504);
rtlpci->reg_bcn_ctrl_val = 0x1d;
rtl_write_byte(rtlpriv, REG_BCN_CTRL, rtlpci->reg_bcn_ctrl_val);
/* TBTT prohibit hold time. Suggested by designer TimChen. */
rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 1, 0xff);
/* AGGR_BK_TIME Reg51A 0x16 */
rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040);
/*For Rx TP. Suggested by SD1 Richard. Added by tynli. 2010.04.12.*/
rtl_write_dword(rtlpriv, REG_FAST_EDCA_CTRL, 0x03086666);
rtl_write_byte(rtlpriv, REG_HT_SINGLE_AMPDU, 0x80);
rtl_write_byte(rtlpriv, REG_RX_PKT_LIMIT, 0x20);
rtl_write_word(rtlpriv, REG_MAX_AGGR_NUM, 0x1F1F);
}
static u16 _rtl8821ae_mdio_read(struct rtl_priv *rtlpriv, u8 addr)
{
u16 ret = 0;
u8 tmp = 0, count = 0;
rtl_write_byte(rtlpriv, REG_MDIO_CTL, addr | BIT(6));
tmp = rtl_read_byte(rtlpriv, REG_MDIO_CTL) & BIT(6);
count = 0;
while (tmp && count < 20) {
udelay(10);
tmp = rtl_read_byte(rtlpriv, REG_MDIO_CTL) & BIT(6);
count++;
}
if (0 == tmp)
ret = rtl_read_word(rtlpriv, REG_MDIO_RDATA);
return ret;
}
static void _rtl8821ae_mdio_write(struct rtl_priv *rtlpriv, u8 addr, u16 data)
{
u8 tmp = 0, count = 0;
rtl_write_word(rtlpriv, REG_MDIO_WDATA, data);
rtl_write_byte(rtlpriv, REG_MDIO_CTL, addr | BIT(5));
tmp = rtl_read_byte(rtlpriv, REG_MDIO_CTL) & BIT(5);
count = 0;
while (tmp && count < 20) {
udelay(10);
tmp = rtl_read_byte(rtlpriv, REG_MDIO_CTL) & BIT(5);
count++;
}
}
static u8 _rtl8821ae_dbi_read(struct rtl_priv *rtlpriv, u16 addr)
{
u16 read_addr = addr & 0xfffc;
u8 tmp = 0, count = 0, ret = 0;
rtl_write_word(rtlpriv, REG_DBI_ADDR, read_addr);
rtl_write_byte(rtlpriv, REG_DBI_FLAG, 0x2);
tmp = rtl_read_byte(rtlpriv, REG_DBI_FLAG);
count = 0;
while (tmp && count < 20) {
udelay(10);
tmp = rtl_read_byte(rtlpriv, REG_DBI_FLAG);
count++;
}
if (0 == tmp) {
read_addr = REG_DBI_RDATA + addr % 4;
ret = rtl_read_word(rtlpriv, read_addr);
}
return ret;
}
static void _rtl8821ae_dbi_write(struct rtl_priv *rtlpriv, u16 addr, u8 data)
{
u8 tmp = 0, count = 0;
u16 wrtie_addr, remainder = addr % 4;
wrtie_addr = REG_DBI_WDATA + remainder;
rtl_write_byte(rtlpriv, wrtie_addr, data);
wrtie_addr = (addr & 0xfffc) | (BIT(0) << (remainder + 12));
rtl_write_word(rtlpriv, REG_DBI_ADDR, wrtie_addr);
rtl_write_byte(rtlpriv, REG_DBI_FLAG, 0x1);
tmp = rtl_read_byte(rtlpriv, REG_DBI_FLAG);
count = 0;
while (tmp && count < 20) {
udelay(10);
tmp = rtl_read_byte(rtlpriv, REG_DBI_FLAG);
count++;
}
}
static void _rtl8821ae_enable_aspm_back_door(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 tmp;
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
if (_rtl8821ae_mdio_read(rtlpriv, 0x04) != 0x8544)
_rtl8821ae_mdio_write(rtlpriv, 0x04, 0x8544);
if (_rtl8821ae_mdio_read(rtlpriv, 0x0b) != 0x0070)
_rtl8821ae_mdio_write(rtlpriv, 0x0b, 0x0070);
}
tmp = _rtl8821ae_dbi_read(rtlpriv, 0x70f);
_rtl8821ae_dbi_write(rtlpriv, 0x70f, tmp | BIT(7));
tmp = _rtl8821ae_dbi_read(rtlpriv, 0x719);
_rtl8821ae_dbi_write(rtlpriv, 0x719, tmp | BIT(3) | BIT(4));
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
tmp = _rtl8821ae_dbi_read(rtlpriv, 0x718);
_rtl8821ae_dbi_write(rtlpriv, 0x718, tmp|BIT(4));
}
}
void rtl8821ae_enable_hw_security_config(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 sec_reg_value;
u8 tmp;
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"PairwiseEncAlgorithm = %d GroupEncAlgorithm = %d\n",
rtlpriv->sec.pairwise_enc_algorithm,
rtlpriv->sec.group_enc_algorithm);
if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
"not open hw encryption\n");
return;
}
sec_reg_value = SCR_TXENCENABLE | SCR_RXDECENABLE;
if (rtlpriv->sec.use_defaultkey) {
sec_reg_value |= SCR_TXUSEDK;
sec_reg_value |= SCR_RXUSEDK;
}
sec_reg_value |= (SCR_RXBCUSEDK | SCR_TXBCUSEDK);
tmp = rtl_read_byte(rtlpriv, REG_CR + 1);
rtl_write_byte(rtlpriv, REG_CR + 1, tmp | BIT(1));
RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
"The SECR-value %x\n", sec_reg_value);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_WPA_CONFIG, &sec_reg_value);
}
/* Static MacID Mapping (cf. Used in MacIdDoStaticMapping) ---------- */
#define MAC_ID_STATIC_FOR_DEFAULT_PORT 0
#define MAC_ID_STATIC_FOR_BROADCAST_MULTICAST 1
#define MAC_ID_STATIC_FOR_BT_CLIENT_START 2
#define MAC_ID_STATIC_FOR_BT_CLIENT_END 3
/* ----------------------------------------------------------- */
static void rtl8821ae_macid_initialize_mediastatus(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 media_rpt[4] = {RT_MEDIA_CONNECT, 1,
MAC_ID_STATIC_FOR_BROADCAST_MULTICAST,
MAC_ID_STATIC_FOR_BT_CLIENT_END};
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_H2C_FW_MEDIASTATUSRPT, media_rpt);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Initialize MacId media status: from %d to %d\n",
MAC_ID_STATIC_FOR_BROADCAST_MULTICAST,
MAC_ID_STATIC_FOR_BT_CLIENT_END);
}
static bool _rtl8821ae_check_pcie_dma_hang(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 tmp;
/* write reg 0x350 Bit[26]=1. Enable debug port. */
tmp = rtl_read_byte(rtlpriv, REG_DBI_CTRL + 3);
if (!(tmp & BIT(2))) {
rtl_write_byte(rtlpriv, REG_DBI_CTRL + 3, (tmp | BIT(2)));
mdelay(100);
}
/* read reg 0x350 Bit[25] if 1 : RX hang */
/* read reg 0x350 Bit[24] if 1 : TX hang */
tmp = rtl_read_byte(rtlpriv, REG_DBI_CTRL + 3);
if ((tmp & BIT(0)) || (tmp & BIT(1))) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"CheckPcieDMAHang8821AE(): true! Reset PCIE DMA!\n");
return true;
} else {
return false;
}
}
static bool _rtl8821ae_reset_pcie_interface_dma(struct ieee80211_hw *hw,
bool mac_power_on,
bool in_watchdog)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 tmp;
bool release_mac_rx_pause;
u8 backup_pcie_dma_pause;
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "\n");
/* 1. Disable register write lock. 0x1c[1] = 0 */
tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL);
tmp &= ~(BIT(1));
rtl_write_byte(rtlpriv, REG_RSV_CTRL, tmp);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
/* write 0xCC bit[2] = 1'b1 */
tmp = rtl_read_byte(rtlpriv, REG_PMC_DBG_CTRL2);
tmp |= BIT(2);
rtl_write_byte(rtlpriv, REG_PMC_DBG_CTRL2, tmp);
}
/* 2. Check and pause TRX DMA */
/* write 0x284 bit[18] = 1'b1 */
/* write 0x301 = 0xFF */
tmp = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
if (tmp & BIT(2)) {
/* Already pause before the function for another purpose. */
release_mac_rx_pause = false;
} else {
rtl_write_byte(rtlpriv, REG_RXDMA_CONTROL, (tmp | BIT(2)));
release_mac_rx_pause = true;
}
backup_pcie_dma_pause = rtl_read_byte(rtlpriv, REG_PCIE_CTRL_REG + 1);
if (backup_pcie_dma_pause != 0xFF)
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1, 0xFF);
if (mac_power_on) {
/* 3. reset TRX function */
/* write 0x100 = 0x00 */
rtl_write_byte(rtlpriv, REG_CR, 0);
}
/* 4. Reset PCIe DMA. 0x3[0] = 0 */
tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
tmp &= ~(BIT(0));
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, tmp);
/* 5. Enable PCIe DMA. 0x3[0] = 1 */
tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
tmp |= BIT(0);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, tmp);
if (mac_power_on) {
/* 6. enable TRX function */
/* write 0x100 = 0xFF */
rtl_write_byte(rtlpriv, REG_CR, 0xFF);
/* We should init LLT & RQPN and
* prepare Tx/Rx descrptor address later
* because MAC function is reset.*/
}
/* 7. Restore PCIe autoload down bit */
/* 8812AE does not has the defination. */
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
/* write 0xF8 bit[17] = 1'b1 */
tmp = rtl_read_byte(rtlpriv, REG_MAC_PHY_CTRL_NORMAL + 2);
tmp |= BIT(1);
rtl_write_byte(rtlpriv, REG_MAC_PHY_CTRL_NORMAL + 2, tmp);
}
/* In MAC power on state, BB and RF maybe in ON state,
* if we release TRx DMA here.
* it will cause packets to be started to Tx/Rx,
* so we release Tx/Rx DMA later.*/
if (!mac_power_on/* || in_watchdog*/) {
/* 8. release TRX DMA */
/* write 0x284 bit[18] = 1'b0 */
/* write 0x301 = 0x00 */
if (release_mac_rx_pause) {
tmp = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
rtl_write_byte(rtlpriv, REG_RXDMA_CONTROL,
tmp & (~BIT(2)));
}
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1,
backup_pcie_dma_pause);
}
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
/* 9. lock system register */
/* write 0xCC bit[2] = 1'b0 */
tmp = rtl_read_byte(rtlpriv, REG_PMC_DBG_CTRL2);
tmp &= ~(BIT(2));
rtl_write_byte(rtlpriv, REG_PMC_DBG_CTRL2, tmp);
}
return true;
}
static void _rtl8821ae_get_wakeup_reason(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
u8 fw_reason = 0;
struct timeval ts;
fw_reason = rtl_read_byte(rtlpriv, REG_MCUTST_WOWLAN);
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, "WOL Read 0x1c7 = %02X\n",
fw_reason);
ppsc->wakeup_reason = 0;
rtlhal->last_suspend_sec = ts.tv_sec;
switch (fw_reason) {
case FW_WOW_V2_PTK_UPDATE_EVENT:
ppsc->wakeup_reason = WOL_REASON_PTK_UPDATE;
do_gettimeofday(&ts);
ppsc->last_wakeup_time = ts.tv_sec*1000 + ts.tv_usec/1000;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a WOL PTK Key update event!\n");
break;
case FW_WOW_V2_GTK_UPDATE_EVENT:
ppsc->wakeup_reason = WOL_REASON_GTK_UPDATE;
do_gettimeofday(&ts);
ppsc->last_wakeup_time = ts.tv_sec*1000 + ts.tv_usec/1000;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a WOL GTK Key update event!\n");
break;
case FW_WOW_V2_DISASSOC_EVENT:
ppsc->wakeup_reason = WOL_REASON_DISASSOC;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a disassociation event!\n");
break;
case FW_WOW_V2_DEAUTH_EVENT:
ppsc->wakeup_reason = WOL_REASON_DEAUTH;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a deauth event!\n");
break;
case FW_WOW_V2_FW_DISCONNECT_EVENT:
ppsc->wakeup_reason = WOL_REASON_AP_LOST;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a Fw disconnect decision (AP lost) event!\n");
break;
case FW_WOW_V2_MAGIC_PKT_EVENT:
ppsc->wakeup_reason = WOL_REASON_MAGIC_PKT;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a magic packet event!\n");
break;
case FW_WOW_V2_UNICAST_PKT_EVENT:
ppsc->wakeup_reason = WOL_REASON_UNICAST_PKT;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's an unicast packet event!\n");
break;
case FW_WOW_V2_PATTERN_PKT_EVENT:
ppsc->wakeup_reason = WOL_REASON_PATTERN_PKT;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a pattern match event!\n");
break;
case FW_WOW_V2_RTD3_SSID_MATCH_EVENT:
ppsc->wakeup_reason = WOL_REASON_RTD3_SSID_MATCH;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's an RTD3 Ssid match event!\n");
break;
case FW_WOW_V2_REALWOW_V2_WAKEUPPKT:
ppsc->wakeup_reason = WOL_REASON_REALWOW_V2_WAKEUPPKT;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's an RealWoW wake packet event!\n");
break;
case FW_WOW_V2_REALWOW_V2_ACKLOST:
ppsc->wakeup_reason = WOL_REASON_REALWOW_V2_ACKLOST;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's an RealWoW ack lost event!\n");
break;
default:
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"WOL Read 0x1c7 = %02X, Unknown reason!\n",
fw_reason);
break;
}
}
static void _rtl8821ae_init_trx_desc_hw_address(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
/*low address*/
rtl_write_dword(rtlpriv, REG_BCNQ_DESA,
rtlpci->tx_ring[BEACON_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_MGQ_DESA,
rtlpci->tx_ring[MGNT_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_VOQ_DESA,
rtlpci->tx_ring[VO_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_VIQ_DESA,
rtlpci->tx_ring[VI_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_BEQ_DESA,
rtlpci->tx_ring[BE_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_BKQ_DESA,
rtlpci->tx_ring[BK_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_HQ_DESA,
rtlpci->tx_ring[HIGH_QUEUE].dma & DMA_BIT_MASK(32));
rtl_write_dword(rtlpriv, REG_RX_DESA,
rtlpci->rx_ring[RX_MPDU_QUEUE].dma & DMA_BIT_MASK(32));
}
static bool _rtl8821ae_init_llt_table(struct ieee80211_hw *hw, u32 boundary)
{
bool status = true;
u32 i;
u32 txpktbuf_bndy = boundary;
u32 last_entry_of_txpktbuf = LAST_ENTRY_OF_TX_PKT_BUFFER;
for (i = 0 ; i < (txpktbuf_bndy - 1) ; i++) {
status = _rtl8821ae_llt_write(hw, i , i + 1);
if (!status)
return status;
}
status = _rtl8821ae_llt_write(hw, (txpktbuf_bndy - 1), 0xFF);
if (!status)
return status;
for (i = txpktbuf_bndy ; i < last_entry_of_txpktbuf ; i++) {
status = _rtl8821ae_llt_write(hw, i, (i + 1));
if (!status)
return status;
}
status = _rtl8821ae_llt_write(hw, last_entry_of_txpktbuf,
txpktbuf_bndy);
if (!status)
return status;
return status;
}
static bool _rtl8821ae_dynamic_rqpn(struct ieee80211_hw *hw, u32 boundary,
u16 npq_rqpn_value, u32 rqpn_val)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 tmp;
bool ret = true;
u16 count = 0, tmp16;
bool support_remote_wakeup;
rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
(u8 *)(&support_remote_wakeup));
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"boundary=%#X, NPQ_RQPNValue=%#X, RQPNValue=%#X\n",
boundary, npq_rqpn_value, rqpn_val);
/* stop PCIe DMA
* 1. 0x301[7:0] = 0xFE */
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1, 0xFE);
/* wait TXFF empty
* 2. polling till 0x41A[15:0]=0x07FF */
tmp16 = rtl_read_word(rtlpriv, REG_TXPKT_EMPTY);
while ((tmp16 & 0x07FF) != 0x07FF) {
udelay(100);
tmp16 = rtl_read_word(rtlpriv, REG_TXPKT_EMPTY);
count++;
if ((count % 200) == 0) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Tx queue is not empty for 20ms!\n");
}
if (count >= 1000) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Wait for Tx FIFO empty timeout!\n");
break;
}
}
/* TX pause
* 3. reg 0x522=0xFF */
rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
/* Wait TX State Machine OK
* 4. polling till reg 0x5FB~0x5F8 = 0x00000000 for 50ms */
count = 0;
while (rtl_read_byte(rtlpriv, REG_SCH_TXCMD) != 0) {
udelay(100);
count++;
if (count >= 500) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Wait for TX State Machine ready timeout !!\n");
break;
}
}
/* stop RX DMA path
* 5. 0x284[18] = 1
* 6. wait till 0x284[17] == 1
* wait RX DMA idle */
count = 0;
tmp = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
rtl_write_byte(rtlpriv, REG_RXDMA_CONTROL, (tmp | BIT(2)));
do {
tmp = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
udelay(10);
count++;
} while (!(tmp & BIT(1)) && count < 100);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Wait until Rx DMA Idle. count=%d REG[0x286]=0x%x\n",
count, tmp);
/* reset BB
* 7. 0x02 [0] = 0 */
tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN);
tmp &= ~(BIT(0));
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, tmp);
/* Reset TRX MAC
* 8. 0x100 = 0x00
* Delay (1ms) */
rtl_write_byte(rtlpriv, REG_CR, 0x00);
udelay(1000);
/* Disable MAC Security Engine
* 9. 0x100 bit[9]=0 */
tmp = rtl_read_byte(rtlpriv, REG_CR + 1);
tmp &= ~(BIT(1));
rtl_write_byte(rtlpriv, REG_CR + 1, tmp);
/* To avoid DD-Tim Circuit hang
* 10. 0x553 bit[5]=1 */
tmp = rtl_read_byte(rtlpriv, REG_DUAL_TSF_RST);
rtl_write_byte(rtlpriv, REG_DUAL_TSF_RST, (tmp | BIT(5)));
/* Enable MAC Security Engine
* 11. 0x100 bit[9]=1 */
tmp = rtl_read_byte(rtlpriv, REG_CR + 1);
rtl_write_byte(rtlpriv, REG_CR + 1, (tmp | BIT(1)));
/* Enable TRX MAC
* 12. 0x100 = 0xFF
* Delay (1ms) */
rtl_write_byte(rtlpriv, REG_CR, 0xFF);
udelay(1000);
/* Enable BB
* 13. 0x02 [0] = 1 */
tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, (tmp | BIT(0)));
/* beacon setting
* 14,15. set beacon head page (reg 0x209 and 0x424) */
rtl_write_byte(rtlpriv, REG_TDECTRL + 1, (u8)boundary);
rtl_write_byte(rtlpriv, REG_TXPKTBUF_BCNQ_BDNY, (u8)boundary);
rtl_write_byte(rtlpriv, REG_TXPKTBUF_MGQ_BDNY, (u8)boundary);
/* 16. WMAC_LBK_BF_HD 0x45D[7:0]
* WMAC_LBK_BF_HD */
rtl_write_byte(rtlpriv, REG_TXPKTBUF_WMAC_LBK_BF_HD,
(u8)boundary);
rtl_write_word(rtlpriv, REG_TRXFF_BNDY, boundary);
/* init LLT
* 17. init LLT */
if (!_rtl8821ae_init_llt_table(hw, boundary)) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING,
"Failed to init LLT table!\n");
return false;
}
/* reallocate RQPN
* 18. reallocate RQPN and init LLT */
rtl_write_word(rtlpriv, REG_RQPN_NPQ, npq_rqpn_value);
rtl_write_dword(rtlpriv, REG_RQPN, rqpn_val);
/* release Tx pause
* 19. 0x522=0x00 */
rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
/* enable PCIE DMA
* 20. 0x301[7:0] = 0x00
* 21. 0x284[18] = 0 */
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1, 0x00);
tmp = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
rtl_write_byte(rtlpriv, REG_RXDMA_CONTROL, (tmp&~BIT(2)));
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "End.\n");
return ret;
}
static void _rtl8821ae_simple_initialize_adapter(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
#if (USE_SPECIFIC_FW_TO_SUPPORT_WOWLAN == 1)
/* Re-download normal Fw. */
rtl8821ae_set_fw_related_for_wowlan(hw, false);
#endif
/* Re-Initialize LLT table. */
if (rtlhal->re_init_llt_table) {
u32 rqpn = 0x80e70808;
u8 rqpn_npq = 0, boundary = 0xF8;
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
rqpn = 0x80e90808;
boundary = 0xFA;
}
if (_rtl8821ae_dynamic_rqpn(hw, boundary, rqpn_npq, rqpn))
rtlhal->re_init_llt_table = false;
}
ppsc->rfpwr_state = ERFON;
}
static void _rtl8821ae_enable_l1off(struct ieee80211_hw *hw)
{
u8 tmp = 0;
struct rtl_priv *rtlpriv = rtl_priv(hw);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "--->\n");
tmp = _rtl8821ae_dbi_read(rtlpriv, 0x160);
if (!(tmp & (BIT(2) | BIT(3)))) {
RT_TRACE(rtlpriv, COMP_POWER | COMP_INIT, DBG_LOUD,
"0x160(%#x)return!!\n", tmp);
return;
}
tmp = _rtl8821ae_mdio_read(rtlpriv, 0x1b);
_rtl8821ae_mdio_write(rtlpriv, 0x1b, (tmp | BIT(4)));
tmp = _rtl8821ae_dbi_read(rtlpriv, 0x718);
_rtl8821ae_dbi_write(rtlpriv, 0x718, tmp | BIT(5));
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "<---\n");
}
static void _rtl8821ae_enable_ltr(struct ieee80211_hw *hw)
{
u8 tmp = 0;
struct rtl_priv *rtlpriv = rtl_priv(hw);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "--->\n");
/* Check 0x98[10] */
tmp = _rtl8821ae_dbi_read(rtlpriv, 0x99);
if (!(tmp & BIT(2))) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"<---0x99(%#x) return!!\n", tmp);
return;
}
/* LTR idle latency, 0x90 for 144us */
rtl_write_dword(rtlpriv, 0x798, 0x88908890);
/* LTR active latency, 0x3c for 60us */
rtl_write_dword(rtlpriv, 0x79c, 0x883c883c);
tmp = rtl_read_byte(rtlpriv, 0x7a4);
rtl_write_byte(rtlpriv, 0x7a4, (tmp | BIT(4)));
tmp = rtl_read_byte(rtlpriv, 0x7a4);
rtl_write_byte(rtlpriv, 0x7a4, (tmp & (~BIT(0))));
rtl_write_byte(rtlpriv, 0x7a4, (tmp | BIT(0)));
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "<---\n");
}
static bool _rtl8821ae_wowlan_initialize_adapter(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
bool init_finished = true;
u8 tmp = 0;
/* Get Fw wake up reason. */
_rtl8821ae_get_wakeup_reason(hw);
/* Patch Pcie Rx DMA hang after S3/S4 several times.
* The root cause has not be found. */
if (_rtl8821ae_check_pcie_dma_hang(hw))
_rtl8821ae_reset_pcie_interface_dma(hw, true, false);
/* Prepare Tx/Rx Desc Hw address. */
_rtl8821ae_init_trx_desc_hw_address(hw);
/* Release Pcie Interface Rx DMA to allow wake packet DMA. */
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1, 0xFE);
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, "Enable PCIE Rx DMA.\n");
/* Check wake up event.
* We should check wake packet bit before disable wowlan by H2C or
* Fw will clear the bit. */
tmp = rtl_read_byte(rtlpriv, REG_FTISR + 3);
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"Read REG_FTISR 0x13f = %#X\n", tmp);
/* Set the WoWLAN related function control disable. */
rtl8821ae_set_fw_wowlan_mode(hw, false);
rtl8821ae_set_fw_remote_wake_ctrl_cmd(hw, 0);
if (rtlhal->hw_rof_enable) {
tmp = rtl_read_byte(rtlpriv, REG_HSISR + 3);
if (tmp & BIT(1)) {
/* Clear GPIO9 ISR */
rtl_write_byte(rtlpriv, REG_HSISR + 3, tmp | BIT(1));
init_finished = false;
} else {
init_finished = true;
}
}
if (init_finished) {
_rtl8821ae_simple_initialize_adapter(hw);
/* Release Pcie Interface Tx DMA. */
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1, 0x00);
/* Release Pcie RX DMA */
rtl_write_byte(rtlpriv, REG_RXDMA_CONTROL, 0x02);
tmp = rtl_read_byte(rtlpriv, REG_CR + 1);
rtl_write_byte(rtlpriv, REG_CR + 1, (tmp & (~BIT(0))));
_rtl8821ae_enable_l1off(hw);
_rtl8821ae_enable_ltr(hw);
}
return init_finished;
}
static void _rtl8812ae_bb8812_config_1t(struct ieee80211_hw *hw)
{
/* BB OFDM RX Path_A */
rtl_set_bbreg(hw, 0x808, 0xff, 0x11);
/* BB OFDM TX Path_A */
rtl_set_bbreg(hw, 0x80c, MASKLWORD, 0x1111);
/* BB CCK R/Rx Path_A */
rtl_set_bbreg(hw, 0xa04, 0x0c000000, 0x0);
/* MCS support */
rtl_set_bbreg(hw, 0x8bc, 0xc0000060, 0x4);
/* RF Path_B HSSI OFF */
rtl_set_bbreg(hw, 0xe00, 0xf, 0x4);
/* RF Path_B Power Down */
rtl_set_bbreg(hw, 0xe90, MASKDWORD, 0);
/* ADDA Path_B OFF */
rtl_set_bbreg(hw, 0xe60, MASKDWORD, 0);
rtl_set_bbreg(hw, 0xe64, MASKDWORD, 0);
}
static void _rtl8821ae_poweroff_adapter(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 u1b_tmp;
rtlhal->mac_func_enable = false;
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
/* Combo (PCIe + USB) Card and PCIe-MF Card */
/* 1. Run LPS WL RFOFF flow */
/* RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"=====>CardDisableRTL8812E,RTL8821A_NIC_LPS_ENTER_FLOW\n");
*/
rtl_hal_pwrseqcmdparsing(rtlpriv,
PWR_CUT_ALL_MSK, PWR_FAB_ALL_MSK,
PWR_INTF_PCI_MSK, RTL8821A_NIC_LPS_ENTER_FLOW);
}
/* 2. 0x1F[7:0] = 0 */
/* turn off RF */
/* rtl_write_byte(rtlpriv, REG_RF_CTRL, 0x00); */
if ((rtl_read_byte(rtlpriv, REG_MCUFWDL) & BIT(7)) &&
rtlhal->fw_ready) {
rtl8821ae_firmware_selfreset(hw);
}
/* Reset MCU. Suggested by Filen. */
u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN+1);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN+1, (u1b_tmp & (~BIT(2))));
/* g. MCUFWDL 0x80[1:0]=0 */
/* reset MCU ready status */
rtl_write_byte(rtlpriv, REG_MCUFWDL, 0x00);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
/* HW card disable configuration. */
rtl_hal_pwrseqcmdparsing(rtlpriv, PWR_CUT_ALL_MSK, PWR_FAB_ALL_MSK,
PWR_INTF_PCI_MSK, RTL8821A_NIC_DISABLE_FLOW);
} else {
/* HW card disable configuration. */
rtl_hal_pwrseqcmdparsing(rtlpriv, PWR_CUT_ALL_MSK, PWR_FAB_ALL_MSK,
PWR_INTF_PCI_MSK, RTL8812_NIC_DISABLE_FLOW);
}
/* Reset MCU IO Wrapper */
u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1);
rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, (u1b_tmp & (~BIT(0))));
u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1);
rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, u1b_tmp | BIT(0));
/* 7. RSV_CTRL 0x1C[7:0] = 0x0E */
/* lock ISO/CLK/Power control register */
rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x0e);
}
int rtl8821ae_hw_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool rtstatus = true;
int err;
u8 tmp_u1b;
bool support_remote_wakeup;
u32 nav_upper = WIFI_NAV_UPPER_US;
rtlhal->being_init_adapter = true;
rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
(u8 *)(&support_remote_wakeup));
rtlpriv->intf_ops->disable_aspm(hw);
/*YP wowlan not considered*/
tmp_u1b = rtl_read_byte(rtlpriv, REG_CR);
if (tmp_u1b != 0 && tmp_u1b != 0xEA) {
rtlhal->mac_func_enable = true;
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"MAC has already power on.\n");
} else {
rtlhal->mac_func_enable = false;
rtlhal->fw_ps_state = FW_PS_STATE_ALL_ON_8821AE;
}
if (support_remote_wakeup &&
rtlhal->wake_from_pnp_sleep &&
rtlhal->mac_func_enable) {
if (_rtl8821ae_wowlan_initialize_adapter(hw)) {
rtlhal->being_init_adapter = false;
return 0;
}
}
if (_rtl8821ae_check_pcie_dma_hang(hw)) {
_rtl8821ae_reset_pcie_interface_dma(hw,
rtlhal->mac_func_enable,
false);
rtlhal->mac_func_enable = false;
}
/* Reset MAC/BB/RF status if it is not powered off
* before calling initialize Hw flow to prevent
* from interface and MAC status mismatch.
* 2013.06.21, by tynli. Suggested by SD1 JackieLau. */
if (rtlhal->mac_func_enable) {
_rtl8821ae_poweroff_adapter(hw);
rtlhal->mac_func_enable = false;
}
rtstatus = _rtl8821ae_init_mac(hw);
if (rtstatus != true) {
pr_err("Init MAC failed\n");
err = 1;
return err;
}
tmp_u1b = rtl_read_byte(rtlpriv, REG_SYS_CFG);
tmp_u1b &= 0x7F;
rtl_write_byte(rtlpriv, REG_SYS_CFG, tmp_u1b);
err = rtl8821ae_download_fw(hw, false);
if (err) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"Failed to download FW. Init HW without FW now\n");
err = 1;
rtlhal->fw_ready = false;
return err;
} else {
rtlhal->fw_ready = true;
}
ppsc->fw_current_inpsmode = false;
rtlhal->fw_ps_state = FW_PS_STATE_ALL_ON_8821AE;
rtlhal->fw_clk_change_in_progress = false;
rtlhal->allow_sw_to_change_hwclc = false;
rtlhal->last_hmeboxnum = 0;
/*SIC_Init(Adapter);
if(rtlhal->AMPDUBurstMode)
rtl_write_byte(rtlpriv,REG_AMPDU_BURST_MODE_8812, 0x7F);*/
rtl8821ae_phy_mac_config(hw);
/* because last function modify RCR, so we update
* rcr var here, or TP will unstable for receive_config
* is wrong, RX RCR_ACRC32 will cause TP unstabel & Rx
* RCR_APP_ICV will cause mac80211 unassoc for cisco 1252
rtlpci->receive_config = rtl_read_dword(rtlpriv, REG_RCR);
rtlpci->receive_config &= ~(RCR_ACRC32 | RCR_AICV);
rtl_write_dword(rtlpriv, REG_RCR, rtlpci->receive_config);*/
rtl8821ae_phy_bb_config(hw);
rtl8821ae_phy_rf_config(hw);
if (rtlpriv->phy.rf_type == RF_1T1R &&
rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
_rtl8812ae_bb8812_config_1t(hw);
_rtl8821ae_hw_configure(hw);
rtl8821ae_phy_switch_wirelessband(hw, BAND_ON_2_4G);
/*set wireless mode*/
rtlhal->mac_func_enable = true;
rtl_cam_reset_all_entry(hw);
rtl8821ae_enable_hw_security_config(hw);
ppsc->rfpwr_state = ERFON;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
_rtl8821ae_enable_aspm_back_door(hw);
rtlpriv->intf_ops->enable_aspm(hw);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE &&
(rtlhal->rfe_type == 1 || rtlhal->rfe_type == 5))
rtl_set_bbreg(hw, 0x900, 0x00000303, 0x0302);
rtl8821ae_bt_hw_init(hw);
rtlpriv->rtlhal.being_init_adapter = false;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_NAV_UPPER, (u8 *)&nav_upper);
/* rtl8821ae_dm_check_txpower_tracking(hw); */
/* rtl8821ae_phy_lc_calibrate(hw); */
if (support_remote_wakeup)
rtl_write_byte(rtlpriv, REG_WOW_CTRL, 0);
/* Release Rx DMA*/
tmp_u1b = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
if (tmp_u1b & BIT(2)) {
/* Release Rx DMA if needed*/
tmp_u1b &= ~BIT(2);
rtl_write_byte(rtlpriv, REG_RXDMA_CONTROL, tmp_u1b);
}
/* Release Tx/Rx PCIE DMA if*/
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1, 0);
rtl8821ae_dm_init(hw);
rtl8821ae_macid_initialize_mediastatus(hw);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "rtl8821ae_hw_init() <====\n");
return err;
}
static enum version_8821ae _rtl8821ae_read_chip_version(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
enum version_8821ae version = VERSION_UNKNOWN;
u32 value32;
value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"ReadChipVersion8812A 0xF0 = 0x%x\n", value32);
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtlphy->rf_type = RF_2T2R;
else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE)
rtlphy->rf_type = RF_1T1R;
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"RF_Type is %x!!\n", rtlphy->rf_type);
if (value32 & TRP_VAUX_EN) {
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
if (rtlphy->rf_type == RF_2T2R)
version = VERSION_TEST_CHIP_2T2R_8812;
else
version = VERSION_TEST_CHIP_1T1R_8812;
} else
version = VERSION_TEST_CHIP_8821;
} else {
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
u32 rtl_id = ((value32 & CHIP_VER_RTL_MASK) >> 12) + 1;
if (rtlphy->rf_type == RF_2T2R)
version =
(enum version_8821ae)(CHIP_8812
| NORMAL_CHIP |
RF_TYPE_2T2R);
else
version = (enum version_8821ae)(CHIP_8812
| NORMAL_CHIP);
version = (enum version_8821ae)(version | (rtl_id << 12));
} else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
u32 rtl_id = value32 & CHIP_VER_RTL_MASK;
version = (enum version_8821ae)(CHIP_8821
| NORMAL_CHIP | rtl_id);
}
}
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
/*WL_HWROF_EN.*/
value32 = rtl_read_dword(rtlpriv, REG_MULTI_FUNC_CTRL);
rtlhal->hw_rof_enable = ((value32 & WL_HWROF_EN) ? 1 : 0);
}
switch (version) {
case VERSION_TEST_CHIP_1T1R_8812:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_TEST_CHIP_1T1R_8812\n");
break;
case VERSION_TEST_CHIP_2T2R_8812:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_TEST_CHIP_2T2R_8812\n");
break;
case VERSION_NORMAL_TSMC_CHIP_1T1R_8812:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID:VERSION_NORMAL_TSMC_CHIP_1T1R_8812\n");
break;
case VERSION_NORMAL_TSMC_CHIP_2T2R_8812:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_NORMAL_TSMC_CHIP_2T2R_8812\n");
break;
case VERSION_NORMAL_TSMC_CHIP_1T1R_8812_C_CUT:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_NORMAL_TSMC_CHIP_1T1R_8812 C CUT\n");
break;
case VERSION_NORMAL_TSMC_CHIP_2T2R_8812_C_CUT:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_NORMAL_TSMC_CHIP_2T2R_8812 C CUT\n");
break;
case VERSION_TEST_CHIP_8821:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_TEST_CHIP_8821\n");
break;
case VERSION_NORMAL_TSMC_CHIP_8821:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_NORMAL_TSMC_CHIP_8821 A CUT\n");
break;
case VERSION_NORMAL_TSMC_CHIP_8821_B_CUT:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: VERSION_NORMAL_TSMC_CHIP_8821 B CUT\n");
break;
default:
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Chip Version ID: Unknown (0x%X)\n", version);
break;
}
return version;
}
static int _rtl8821ae_set_media_status(struct ieee80211_hw *hw,
enum nl80211_iftype type)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 bt_msr = rtl_read_byte(rtlpriv, MSR);
enum led_ctl_mode ledaction = LED_CTL_NO_LINK;
bt_msr &= 0xfc;
rtl_write_dword(rtlpriv, REG_BCN_CTRL, 0);
RT_TRACE(rtlpriv, COMP_BEACON, DBG_LOUD,
"clear 0x550 when set HW_VAR_MEDIA_STATUS\n");
if (type == NL80211_IFTYPE_UNSPECIFIED ||
type == NL80211_IFTYPE_STATION) {
_rtl8821ae_stop_tx_beacon(hw);
_rtl8821ae_enable_bcn_sub_func(hw);
} else if (type == NL80211_IFTYPE_ADHOC ||
type == NL80211_IFTYPE_AP) {
_rtl8821ae_resume_tx_beacon(hw);
_rtl8821ae_disable_bcn_sub_func(hw);
} else {
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"Set HW_VAR_MEDIA_STATUS: No such media status(%x).\n",
type);
}
switch (type) {
case NL80211_IFTYPE_UNSPECIFIED:
bt_msr |= MSR_NOLINK;
ledaction = LED_CTL_LINK;
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"Set Network type to NO LINK!\n");
break;
case NL80211_IFTYPE_ADHOC:
bt_msr |= MSR_ADHOC;
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"Set Network type to Ad Hoc!\n");
break;
case NL80211_IFTYPE_STATION:
bt_msr |= MSR_INFRA;
ledaction = LED_CTL_LINK;
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"Set Network type to STA!\n");
break;
case NL80211_IFTYPE_AP:
bt_msr |= MSR_AP;
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"Set Network type to AP!\n");
break;
default:
pr_err("Network type %d not support!\n", type);
return 1;
}
rtl_write_byte(rtlpriv, MSR, bt_msr);
rtlpriv->cfg->ops->led_control(hw, ledaction);
if ((bt_msr & MSR_MASK) == MSR_AP)
rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x00);
else
rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x66);
return 0;
}
void rtl8821ae_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
u32 reg_rcr = rtlpci->receive_config;
if (rtlpriv->psc.rfpwr_state != ERFON)
return;
if (check_bssid) {
reg_rcr |= (RCR_CBSSID_DATA | RCR_CBSSID_BCN);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
(u8 *)(&reg_rcr));
_rtl8821ae_set_bcn_ctrl_reg(hw, 0, BIT(4));
} else if (!check_bssid) {
reg_rcr &= (~(RCR_CBSSID_DATA | RCR_CBSSID_BCN));
_rtl8821ae_set_bcn_ctrl_reg(hw, BIT(4), 0);
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_RCR, (u8 *)(&reg_rcr));
}
}
int rtl8821ae_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "rtl8821ae_set_network_type!\n");
if (_rtl8821ae_set_media_status(hw, type))
return -EOPNOTSUPP;
if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
if (type != NL80211_IFTYPE_AP)
rtl8821ae_set_check_bssid(hw, true);
} else {
rtl8821ae_set_check_bssid(hw, false);
}
return 0;
}
/* don't set REG_EDCA_BE_PARAM here because mac80211 will send pkt when scan */
void rtl8821ae_set_qos(struct ieee80211_hw *hw, int aci)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtl8821ae_dm_init_edca_turbo(hw);
switch (aci) {
case AC1_BK:
rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0xa44f);
break;
case AC0_BE:
/* rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, u4b_ac_param); */
break;
case AC2_VI:
rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x5e4322);
break;
case AC3_VO:
rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x2f3222);
break;
default:
WARN_ONCE(true, "rtl8821ae: invalid aci: %d !\n", aci);
break;
}
}
static void rtl8821ae_clear_interrupt(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 tmp = rtl_read_dword(rtlpriv, REG_HISR);
rtl_write_dword(rtlpriv, REG_HISR, tmp);
tmp = rtl_read_dword(rtlpriv, REG_HISRE);
rtl_write_dword(rtlpriv, REG_HISRE, tmp);
tmp = rtl_read_dword(rtlpriv, REG_HSISR);
rtl_write_dword(rtlpriv, REG_HSISR, tmp);
}
void rtl8821ae_enable_interrupt(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
if (rtlpci->int_clear)
rtl8821ae_clear_interrupt(hw);/*clear it here first*/
rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & 0xFFFFFFFF);
rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & 0xFFFFFFFF);
rtlpci->irq_enabled = true;
/* there are some C2H CMDs have been sent before
system interrupt is enabled, e.g., C2H, CPWM.
*So we need to clear all C2H events that FW has
notified, otherwise FW won't schedule any commands anymore.
*/
/* rtl_write_byte(rtlpriv, REG_C2HEVT_CLEAR, 0); */
/*enable system interrupt*/
rtl_write_dword(rtlpriv, REG_HSIMR, rtlpci->sys_irq_mask & 0xFFFFFFFF);
}
void rtl8821ae_disable_interrupt(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
rtl_write_dword(rtlpriv, REG_HIMR, IMR_DISABLED);
rtl_write_dword(rtlpriv, REG_HIMRE, IMR_DISABLED);
rtlpci->irq_enabled = false;
/*synchronize_irq(rtlpci->pdev->irq);*/
}
static void _rtl8821ae_clear_pci_pme_status(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
u16 cap_hdr;
u8 cap_pointer;
u8 cap_id = 0xff;
u8 pmcs_reg;
u8 cnt = 0;
/* Get the Capability pointer first,
* the Capability Pointer is located at
* offset 0x34 from the Function Header */
pci_read_config_byte(rtlpci->pdev, 0x34, &cap_pointer);
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"PCI configuration 0x34 = 0x%2x\n", cap_pointer);
do {
pci_read_config_word(rtlpci->pdev, cap_pointer, &cap_hdr);
cap_id = cap_hdr & 0xFF;
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"in pci configuration, cap_pointer%x = %x\n",
cap_pointer, cap_id);
if (cap_id == 0x01) {
break;
} else {
/* point to next Capability */
cap_pointer = (cap_hdr >> 8) & 0xFF;
/* 0: end of pci capability, 0xff: invalid value */
if (cap_pointer == 0x00 || cap_pointer == 0xff) {
cap_id = 0xff;
break;
}
}
} while (cnt++ < 200);
if (cap_id == 0x01) {
/* Get the PM CSR (Control/Status Register),
* The PME_Status is located at PM Capatibility offset 5, bit 7
*/
pci_read_config_byte(rtlpci->pdev, cap_pointer + 5, &pmcs_reg);
if (pmcs_reg & BIT(7)) {
/* PME event occured, clear the PM_Status by write 1 */
pmcs_reg = pmcs_reg | BIT(7);
pci_write_config_byte(rtlpci->pdev, cap_pointer + 5,
pmcs_reg);
/* Read it back to check */
pci_read_config_byte(rtlpci->pdev, cap_pointer + 5,
&pmcs_reg);
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"Clear PME status 0x%2x to 0x%2x\n",
cap_pointer + 5, pmcs_reg);
} else {
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"PME status(0x%2x) = 0x%2x\n",
cap_pointer + 5, pmcs_reg);
}
} else {
RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING,
"Cannot find PME Capability\n");
}
}
void rtl8821ae_card_disable(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
struct rtl_mac *mac = rtl_mac(rtlpriv);
enum nl80211_iftype opmode;
bool support_remote_wakeup;
u8 tmp;
u32 count = 0;
rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
(u8 *)(&support_remote_wakeup));
RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
if (!(support_remote_wakeup && mac->opmode == NL80211_IFTYPE_STATION)
|| !rtlhal->enter_pnp_sleep) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Normal Power off\n");
mac->link_state = MAC80211_NOLINK;
opmode = NL80211_IFTYPE_UNSPECIFIED;
_rtl8821ae_set_media_status(hw, opmode);
_rtl8821ae_poweroff_adapter(hw);
} else {
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Wowlan Supported.\n");
/* 3 <1> Prepare for configuring wowlan related infomations */
/* Clear Fw WoWLAN event. */
rtl_write_byte(rtlpriv, REG_MCUTST_WOWLAN, 0x0);
#if (USE_SPECIFIC_FW_TO_SUPPORT_WOWLAN == 1)
rtl8821ae_set_fw_related_for_wowlan(hw, true);
#endif
/* Dynamically adjust Tx packet boundary
* for download reserved page packet.
* reserve 30 pages for rsvd page */
if (_rtl8821ae_dynamic_rqpn(hw, 0xE0, 0x3, 0x80c20d0d))
rtlhal->re_init_llt_table = true;
/* 3 <2> Set Fw releted H2C cmd. */
/* Set WoWLAN related security information. */
rtl8821ae_set_fw_global_info_cmd(hw);
_rtl8821ae_download_rsvd_page(hw, true);
/* Just enable AOAC related functions when we connect to AP. */
printk("mac->link_state = %d\n", mac->link_state);
if (mac->link_state >= MAC80211_LINKED &&
mac->opmode == NL80211_IFTYPE_STATION) {
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AID, NULL);
rtl8821ae_set_fw_media_status_rpt_cmd(hw,
RT_MEDIA_CONNECT);
rtl8821ae_set_fw_wowlan_mode(hw, true);
/* Enable Fw Keep alive mechanism. */
rtl8821ae_set_fw_keep_alive_cmd(hw, true);
/* Enable disconnect decision control. */
rtl8821ae_set_fw_disconnect_decision_ctrl_cmd(hw, true);
}
/* 3 <3> Hw Configutations */
/* Wait untill Rx DMA Finished before host sleep.
* FW Pause Rx DMA may happens when received packet doing dma.
*/
rtl_write_byte(rtlpriv, REG_RXDMA_CONTROL, BIT(2));
tmp = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
count = 0;
while (!(tmp & BIT(1)) && (count++ < 100)) {
udelay(10);
tmp = rtl_read_byte(rtlpriv, REG_RXDMA_CONTROL);
}
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Wait Rx DMA Finished before host sleep. count=%d\n",
count);
/* reset trx ring */
rtlpriv->intf_ops->reset_trx_ring(hw);
rtl_write_byte(rtlpriv, REG_APS_FSMCO + 1, 0x0);
_rtl8821ae_clear_pci_pme_status(hw);
tmp = rtl_read_byte(rtlpriv, REG_SYS_CLKR);
rtl_write_byte(rtlpriv, REG_SYS_CLKR, tmp | BIT(3));
/* prevent 8051 to be reset by PERST */
rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x20);
rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x60);
}
if (rtlpriv->rtlhal.driver_is_goingto_unload ||
ppsc->rfoff_reason > RF_CHANGE_BY_PS)
rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF);
/* For wowlan+LPS+32k. */
if (support_remote_wakeup && rtlhal->enter_pnp_sleep) {
/* Set the WoWLAN related function control enable.
* It should be the last H2C cmd in the WoWLAN flow. */
rtl8821ae_set_fw_remote_wake_ctrl_cmd(hw, 1);
/* Stop Pcie Interface Tx DMA. */
rtl_write_byte(rtlpriv, REG_PCIE_CTRL_REG + 1, 0xff);
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, "Stop PCIE Tx DMA.\n");
/* Wait for TxDMA idle. */
count = 0;
do {
tmp = rtl_read_byte(rtlpriv, REG_PCIE_CTRL_REG);
udelay(10);
count++;
} while ((tmp != 0) && (count < 100));
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
"Wait Tx DMA Finished before host sleep. count=%d\n",
count);
if (rtlhal->hw_rof_enable) {
printk("hw_rof_enable\n");
tmp = rtl_read_byte(rtlpriv, REG_HSISR + 3);
rtl_write_byte(rtlpriv, REG_HSISR + 3, tmp | BIT(1));
}
}
/* after power off we should do iqk again */
rtlpriv->phy.iqk_initialized = false;
}
void rtl8821ae_interrupt_recognized(struct ieee80211_hw *hw,
u32 *p_inta, u32 *p_intb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
*p_inta = rtl_read_dword(rtlpriv, ISR) & rtlpci->irq_mask[0];
rtl_write_dword(rtlpriv, ISR, *p_inta);
*p_intb = rtl_read_dword(rtlpriv, REG_HISRE) & rtlpci->irq_mask[1];
rtl_write_dword(rtlpriv, REG_HISRE, *p_intb);
}
void rtl8821ae_set_beacon_related_registers(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));