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linux/drivers/net/wireless/realtek/rtlwifi/rtl8192du/hw.c
Daniel Baumann 79d69e5050
Adding upstream version 6.12.33. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 12:14:28 +02:00

1212 lines
32 KiB
C
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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2024 Realtek Corporation.*/
#include "../wifi.h"
#include "../cam.h"
#include "../usb.h"
#include "../rtl8192d/reg.h"
#include "../rtl8192d/def.h"
#include "../rtl8192d/dm_common.h"
#include "../rtl8192d/fw_common.h"
#include "../rtl8192d/hw_common.h"
#include "../rtl8192d/phy_common.h"
#include "phy.h"
#include "dm.h"
#include "fw.h"
#include "hw.h"
#include "trx.h"
static void _rtl92du_set_bcn_ctrl_reg(struct ieee80211_hw *hw,
u8 set_bits, u8 clear_bits)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlusb->reg_bcn_ctrl_val |= set_bits;
rtlusb->reg_bcn_ctrl_val &= ~clear_bits;
rtl_write_byte(rtlpriv, REG_BCN_CTRL, (u8)rtlusb->reg_bcn_ctrl_val);
}
static void _rtl92du_enable_bcn_sub_func(struct ieee80211_hw *hw)
{
_rtl92du_set_bcn_ctrl_reg(hw, 0, BIT(1));
}
static void _rtl92du_disable_bcn_sub_func(struct ieee80211_hw *hw)
{
_rtl92du_set_bcn_ctrl_reg(hw, BIT(1), 0);
}
void rtl92du_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
switch (variable) {
case HW_VAR_RCR:
*((u32 *)val) = mac->rx_conf;
break;
default:
rtl92d_get_hw_reg(hw, variable, val);
break;
}
}
void rtl92du_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtlpriv);
switch (variable) {
case HW_VAR_AC_PARAM:
rtl92d_dm_init_edca_turbo(hw);
break;
case HW_VAR_ACM_CTRL: {
u8 e_aci = *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);
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:
rtl_dbg(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:
pr_err("%s:%d switch case %#x not processed\n",
__func__, __LINE__, e_aci);
break;
}
}
rtl_dbg(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:
mac->rx_conf = ((u32 *)val)[0];
rtl_write_dword(rtlpriv, REG_RCR, mac->rx_conf);
break;
case HW_VAR_H2C_FW_JOINBSSRPT: {
u8 tmp_regcr, tmp_reg422;
bool recover = false;
u8 mstatus = *val;
if (mstatus == RT_MEDIA_CONNECT) {
rtlpriv->cfg->ops->set_hw_reg(hw,
HW_VAR_AID, NULL);
tmp_regcr = rtl_read_byte(rtlpriv, REG_CR + 1);
rtl_write_byte(rtlpriv, REG_CR + 1,
tmp_regcr | ENSWBCN);
_rtl92du_set_bcn_ctrl_reg(hw, 0, EN_BCN_FUNCTION);
_rtl92du_set_bcn_ctrl_reg(hw, DIS_TSF_UDT, 0);
tmp_reg422 = rtl_read_byte(rtlpriv,
REG_FWHW_TXQ_CTRL + 2);
if (tmp_reg422 & (EN_BCNQ_DL >> 16))
recover = true;
rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2,
tmp_reg422 & ~(EN_BCNQ_DL >> 16));
/* We don't implement FW LPS so this is not needed. */
/* rtl92d_set_fw_rsvdpagepkt(hw, 0); */
_rtl92du_set_bcn_ctrl_reg(hw, EN_BCN_FUNCTION, 0);
_rtl92du_set_bcn_ctrl_reg(hw, 0, DIS_TSF_UDT);
if (recover)
rtl_write_byte(rtlpriv,
REG_FWHW_TXQ_CTRL + 2,
tmp_reg422);
rtl_write_byte(rtlpriv, REG_CR + 1,
tmp_regcr & ~ENSWBCN);
}
rtl92d_set_fw_joinbss_report_cmd(hw, (*val));
break;
}
case HW_VAR_CORRECT_TSF: {
u8 btype_ibss = val[0];
if (btype_ibss)
rtl92d_stop_tx_beacon(hw);
_rtl92du_set_bcn_ctrl_reg(hw, 0, EN_BCN_FUNCTION);
rtl_write_dword(rtlpriv, REG_TSFTR,
(u32)(mac->tsf & 0xffffffff));
rtl_write_dword(rtlpriv, REG_TSFTR + 4,
(u32)((mac->tsf >> 32) & 0xffffffff));
_rtl92du_set_bcn_ctrl_reg(hw, EN_BCN_FUNCTION, 0);
if (btype_ibss)
rtl92d_resume_tx_beacon(hw);
break;
}
case HW_VAR_KEEP_ALIVE:
/* Avoid "switch case not processed" error. RTL8192DU doesn't
* need to do anything here, maybe.
*/
break;
default:
rtl92d_set_hw_reg(hw, variable, val);
break;
}
}
static void _rtl92du_init_queue_reserved_page(struct ieee80211_hw *hw,
u8 out_ep_num,
u8 queue_sel)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
u32 txqpagenum, txqpageunit;
u32 txqremainingpage;
u32 value32 = 0;
u32 numhq = 0;
u32 numlq = 0;
u32 numnq = 0;
u32 numpubq;
if (rtlhal->macphymode != SINGLEMAC_SINGLEPHY) {
numpubq = NORMAL_PAGE_NUM_PUBQ_92D_DUAL_MAC;
txqpagenum = TX_TOTAL_PAGE_NUMBER_92D_DUAL_MAC - numpubq;
} else {
numpubq = TEST_PAGE_NUM_PUBQ_92DU;
txqpagenum = TX_TOTAL_PAGE_NUMBER_92DU - numpubq;
}
if (rtlhal->macphymode != SINGLEMAC_SINGLEPHY && out_ep_num == 3) {
numhq = NORMAL_PAGE_NUM_HPQ_92D_DUAL_MAC;
numlq = NORMAL_PAGE_NUM_LPQ_92D_DUAL_MAC;
numnq = NORMAL_PAGE_NUM_NORMALQ_92D_DUAL_MAC;
} else {
txqpageunit = txqpagenum / out_ep_num;
txqremainingpage = txqpagenum % out_ep_num;
if (queue_sel & TX_SELE_HQ)
numhq = txqpageunit;
if (queue_sel & TX_SELE_LQ)
numlq = txqpageunit;
if (queue_sel & TX_SELE_NQ)
numnq = txqpageunit;
/* HIGH priority queue always present in the
* configuration of 2 or 3 out-ep. Remainder pages
* assigned to High queue
*/
if (out_ep_num > 1 && txqremainingpage)
numhq += txqremainingpage;
}
/* NOTE: This step done before writing REG_RQPN. */
rtl_write_byte(rtlpriv, REG_RQPN_NPQ, (u8)numnq);
/* TX DMA */
u32p_replace_bits(&value32, numhq, HPQ_MASK);
u32p_replace_bits(&value32, numlq, LPQ_MASK);
u32p_replace_bits(&value32, numpubq, PUBQ_MASK);
value32 |= LD_RQPN;
rtl_write_dword(rtlpriv, REG_RQPN, value32);
}
static void _rtl92du_init_tx_buffer_boundary(struct ieee80211_hw *hw,
u8 txpktbuf_bndy)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
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_TXPKTBUF_WMAC_LBK_BF_HD, txpktbuf_bndy);
/* TXRKTBUG_PG_BNDY */
rtl_write_byte(rtlpriv, REG_TRXFF_BNDY, txpktbuf_bndy);
/* Beacon Head for TXDMA */
rtl_write_byte(rtlpriv, REG_TDECTRL + 1, txpktbuf_bndy);
}
static bool _rtl92du_llt_table_init(struct ieee80211_hw *hw, u8 txpktbuf_bndy)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
unsigned short i;
bool status;
u8 maxpage;
if (rtlpriv->rtlhal.macphymode == SINGLEMAC_SINGLEPHY)
maxpage = 255;
else
maxpage = 127;
for (i = 0; i < (txpktbuf_bndy - 1); i++) {
status = rtl92d_llt_write(hw, i, i + 1);
if (!status)
return status;
}
/* end of list */
status = rtl92d_llt_write(hw, txpktbuf_bndy - 1, 0xFF);
if (!status)
return status;
/* Make the other pages as ring buffer
* This ring buffer is used as beacon buffer if we
* config this MAC as two MAC transfer.
* Otherwise used as local loopback buffer.
*/
for (i = txpktbuf_bndy; i < maxpage; i++) {
status = rtl92d_llt_write(hw, i, i + 1);
if (!status)
return status;
}
/* Let last entry point to the start entry of ring buffer */
status = rtl92d_llt_write(hw, maxpage, txpktbuf_bndy);
if (!status)
return status;
return true;
}
static void _rtl92du_init_chipn_reg_priority(struct ieee80211_hw *hw, u16 beq,
u16 bkq, u16 viq, u16 voq,
u16 mgtq, u16 hiq)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u16 value16;
value16 = rtl_read_word(rtlpriv, REG_TRXDMA_CTRL) & 0x7;
u16p_replace_bits(&value16, beq, TXDMA_BEQ_MAP);
u16p_replace_bits(&value16, bkq, TXDMA_BKQ_MAP);
u16p_replace_bits(&value16, viq, TXDMA_VIQ_MAP);
u16p_replace_bits(&value16, voq, TXDMA_VOQ_MAP);
u16p_replace_bits(&value16, mgtq, TXDMA_MGQ_MAP);
u16p_replace_bits(&value16, hiq, TXDMA_HIQ_MAP);
rtl_write_word(rtlpriv, REG_TRXDMA_CTRL, value16);
}
static void _rtl92du_init_chipn_one_out_ep_priority(struct ieee80211_hw *hw,
u8 queue_sel)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u16 value;
switch (queue_sel) {
case TX_SELE_HQ:
value = QUEUE_HIGH;
break;
case TX_SELE_LQ:
value = QUEUE_LOW;
break;
case TX_SELE_NQ:
value = QUEUE_NORMAL;
break;
default:
WARN_ON(1); /* Shall not reach here! */
return;
}
_rtl92du_init_chipn_reg_priority(hw, value, value, value, value,
value, value);
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
"Tx queue select: 0x%02x\n", queue_sel);
}
static void _rtl92du_init_chipn_two_out_ep_priority(struct ieee80211_hw *hw,
u8 queue_sel)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u16 beq, bkq, viq, voq, mgtq, hiq;
u16 valuehi, valuelow;
switch (queue_sel) {
default:
WARN_ON(1);
fallthrough;
case (TX_SELE_HQ | TX_SELE_LQ):
valuehi = QUEUE_HIGH;
valuelow = QUEUE_LOW;
break;
case (TX_SELE_NQ | TX_SELE_LQ):
valuehi = QUEUE_NORMAL;
valuelow = QUEUE_LOW;
break;
case (TX_SELE_HQ | TX_SELE_NQ):
valuehi = QUEUE_HIGH;
valuelow = QUEUE_NORMAL;
break;
}
beq = valuelow;
bkq = valuelow;
viq = valuehi;
voq = valuehi;
mgtq = valuehi;
hiq = valuehi;
_rtl92du_init_chipn_reg_priority(hw, beq, bkq, viq, voq, mgtq, hiq);
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
"Tx queue select: 0x%02x\n", queue_sel);
}
static void _rtl92du_init_chipn_three_out_ep_priority(struct ieee80211_hw *hw,
u8 queue_sel)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u16 beq, bkq, viq, voq, mgtq, hiq;
beq = QUEUE_LOW;
bkq = QUEUE_LOW;
viq = QUEUE_NORMAL;
voq = QUEUE_HIGH;
mgtq = QUEUE_HIGH;
hiq = QUEUE_HIGH;
_rtl92du_init_chipn_reg_priority(hw, beq, bkq, viq, voq, mgtq, hiq);
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
"Tx queue select: 0x%02x\n", queue_sel);
}
static void _rtl92du_init_queue_priority(struct ieee80211_hw *hw,
u8 out_ep_num,
u8 queue_sel)
{
switch (out_ep_num) {
case 1:
_rtl92du_init_chipn_one_out_ep_priority(hw, queue_sel);
break;
case 2:
_rtl92du_init_chipn_two_out_ep_priority(hw, queue_sel);
break;
case 3:
_rtl92du_init_chipn_three_out_ep_priority(hw, queue_sel);
break;
default:
WARN_ON(1); /* Shall not reach here! */
break;
}
}
static void _rtl92du_init_wmac_setting(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtlpriv);
mac->rx_conf = RCR_APM | RCR_AM | RCR_AB | RCR_ADF | RCR_APP_ICV |
RCR_AMF | RCR_HTC_LOC_CTRL | RCR_APP_MIC |
RCR_APP_PHYST_RXFF | RCR_APPFCS;
rtl_write_dword(rtlpriv, REG_RCR, mac->rx_conf);
/* Set Multicast Address. */
rtl_write_dword(rtlpriv, REG_MAR, 0xffffffff);
rtl_write_dword(rtlpriv, REG_MAR + 4, 0xffffffff);
}
static void _rtl92du_init_adaptive_ctrl(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 val32;
val32 = rtl_read_dword(rtlpriv, REG_RRSR);
val32 &= ~0xfffff;
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
val32 |= 0xffff0; /* No CCK */
else
val32 |= 0xffff1;
rtl_write_dword(rtlpriv, REG_RRSR, val32);
/* Set Spec SIFS (used in NAV) */
rtl_write_word(rtlpriv, REG_SPEC_SIFS, 0x1010);
/* Retry limit 0x30 */
rtl_write_word(rtlpriv, REG_RL, 0x3030);
}
static void _rtl92du_init_edca(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u16 val16;
/* Disable EDCCA count down, to reduce collison and retry */
val16 = rtl_read_word(rtlpriv, REG_RD_CTRL);
val16 |= DIS_EDCA_CNT_DWN;
rtl_write_word(rtlpriv, REG_RD_CTRL, val16);
/* CCK SIFS shall always be 10us. */
rtl_write_word(rtlpriv, REG_SIFS_CTX, 0x0a0a);
/* Set SIFS for OFDM */
rtl_write_word(rtlpriv, REG_SIFS_TRX, 0x1010);
rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204);
rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004);
/* TXOP */
rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B);
rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F);
rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324);
rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226);
rtl_write_byte(rtlpriv, REG_PIFS, 0x1C);
rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040);
rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x2);
rtl_write_byte(rtlpriv, REG_ATIMWND, 0x2);
}
static void _rtl92du_init_retry_function(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 val8;
val8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL);
val8 |= EN_AMPDU_RTY_NEW;
rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, val8);
rtl_write_byte(rtlpriv, REG_ACKTO, 0x40);
}
static void _rtl92du_init_operation_mode(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
rtl_write_byte(rtlpriv, REG_BWOPMODE, BW_OPMODE_20MHZ);
switch (rtlpriv->phy.rf_type) {
case RF_1T2R:
case RF_1T1R:
rtlhal->minspace_cfg = (MAX_MSS_DENSITY_1T << 3);
break;
case RF_2T2R:
case RF_2T2R_GREEN:
rtlhal->minspace_cfg = (MAX_MSS_DENSITY_2T << 3);
break;
}
rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE, rtlhal->minspace_cfg);
}
static void _rtl92du_init_beacon_parameters(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtl_write_word(rtlpriv, REG_BCN_CTRL, 0x1010);
rtl_write_word(rtlpriv, REG_TBTT_PROHIBIT, 0x3c02);
rtl_write_byte(rtlpriv, REG_DRVERLYINT, 0x05);
rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x03);
rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660f);
}
static void _rtl92du_init_ampdu_aggregation(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
/* Aggregation threshold */
if (rtlhal->macphymode == DUALMAC_DUALPHY)
rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x66525541);
else if (rtlhal->macphymode == DUALMAC_SINGLEPHY)
rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x44444441);
else
rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x88728841);
rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
}
static bool _rtl92du_init_power_on(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
unsigned short wordtmp;
unsigned char bytetmp;
u16 retry = 0;
do {
if (rtl_read_byte(rtlpriv, REG_APS_FSMCO) & PFM_ALDN)
break;
if (retry++ > 1000)
return false;
} while (true);
/* Unlock ISO/CLK/Power control register */
rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x00);
/* SPS0_CTRL 0x11[7:0] = 0x2b enable SPS into PWM mode */
rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x2b);
msleep(1);
bytetmp = rtl_read_byte(rtlpriv, REG_LDOV12D_CTRL);
if ((bytetmp & LDV12_EN) == 0) {
bytetmp |= LDV12_EN;
rtl_write_byte(rtlpriv, REG_LDOV12D_CTRL, bytetmp);
msleep(1);
bytetmp = rtl_read_byte(rtlpriv, REG_SYS_ISO_CTRL);
bytetmp &= ~ISO_MD2PP;
rtl_write_byte(rtlpriv, REG_SYS_ISO_CTRL, bytetmp);
}
/* Auto enable WLAN */
wordtmp = rtl_read_word(rtlpriv, REG_APS_FSMCO);
wordtmp |= APFM_ONMAC;
rtl_write_word(rtlpriv, REG_APS_FSMCO, wordtmp);
wordtmp = rtl_read_word(rtlpriv, REG_APS_FSMCO);
retry = 0;
while ((wordtmp & APFM_ONMAC) && retry < 1000) {
retry++;
wordtmp = rtl_read_word(rtlpriv, REG_APS_FSMCO);
}
/* Release RF digital isolation */
wordtmp = rtl_read_word(rtlpriv, REG_SYS_ISO_CTRL);
wordtmp &= ~ISO_DIOR;
rtl_write_word(rtlpriv, REG_SYS_ISO_CTRL, wordtmp);
/* Enable MAC DMA/WMAC/SCHEDULE/SEC block */
wordtmp = rtl_read_word(rtlpriv, REG_CR);
wordtmp |= HCI_TXDMA_EN | HCI_RXDMA_EN | TXDMA_EN | RXDMA_EN |
PROTOCOL_EN | SCHEDULE_EN | MACTXEN | MACRXEN | ENSEC;
rtl_write_word(rtlpriv, REG_CR, wordtmp);
return true;
}
static bool _rtl92du_init_mac(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 val8;
rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x00);
val8 = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
val8 &= ~(FEN_MREGEN >> 8);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, val8);
/* For s3/s4 may reset mac, Reg0xf8 may be set to 0,
* so reset macphy control reg here.
*/
rtl92d_phy_config_macphymode(hw);
rtl92du_phy_set_poweron(hw);
if (!_rtl92du_init_power_on(hw)) {
pr_err("Failed to init power on!\n");
return false;
}
rtl92d_phy_config_maccoexist_rfpage(hw);
return true;
}
int rtl92du_hw_init(struct ieee80211_hw *hw)
{
struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct rtl_mac *mac = rtl_mac(rtlpriv);
struct rtl_phy *rtlphy = &rtlpriv->phy;
u8 val8, txpktbuf_bndy;
int err, i;
u32 val32;
u16 val16;
mutex_lock(rtlpriv->mutex_for_hw_init);
/* we should do iqk after disable/enable */
rtl92d_phy_reset_iqk_result(hw);
if (!_rtl92du_init_mac(hw)) {
pr_err("Init MAC failed\n");
mutex_unlock(rtlpriv->mutex_for_hw_init);
return 1;
}
if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY)
txpktbuf_bndy = 249;
else
txpktbuf_bndy = 123;
if (!_rtl92du_llt_table_init(hw, txpktbuf_bndy)) {
pr_err("Init LLT failed\n");
mutex_unlock(rtlpriv->mutex_for_hw_init);
return 1;
}
err = rtl92du_download_fw(hw);
/* return fail only when part number check fail */
if (err && rtl_read_byte(rtlpriv, 0x1c5) == 0xe0) {
rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
"Failed to download FW. Init HW without FW..\n");
mutex_unlock(rtlpriv->mutex_for_hw_init);
return 1;
}
rtlhal->last_hmeboxnum = 0;
rtlpriv->psc.fw_current_inpsmode = false;
rtl92du_phy_mac_config(hw);
/* Set reserved page for each queue */
_rtl92du_init_queue_reserved_page(hw, rtlusb->out_ep_nums,
rtlusb->out_queue_sel);
_rtl92du_init_tx_buffer_boundary(hw, txpktbuf_bndy);
_rtl92du_init_queue_priority(hw, rtlusb->out_ep_nums,
rtlusb->out_queue_sel);
/* Set Tx/Rx page size (Tx must be 128 Bytes,
* Rx can be 64, 128, 256, 512, 1024 bytes)
*/
rtl_write_byte(rtlpriv, REG_PBP, 0x11);
/* Get Rx PHY status in order to report RSSI and others. */
rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, 0x4);
rtl_write_dword(rtlpriv, REG_HISR, 0xffffffff);
rtl_write_dword(rtlpriv, REG_HIMR, 0xffffffff);
val8 = rtl_read_byte(rtlpriv, MSR);
val8 &= ~MSR_MASK;
val8 |= MSR_INFRA;
rtl_write_byte(rtlpriv, MSR, val8);
_rtl92du_init_wmac_setting(hw);
_rtl92du_init_adaptive_ctrl(hw);
_rtl92du_init_edca(hw);
rtl_write_dword(rtlpriv, REG_DARFRC, 0x00000000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4, 0x10080404);
rtl_write_dword(rtlpriv, REG_RARFRC, 0x04030201);
rtl_write_dword(rtlpriv, REG_RARFRC + 4, 0x08070605);
_rtl92du_init_retry_function(hw);
/* _InitUsbAggregationSetting(padapter); no aggregation for now */
_rtl92du_init_operation_mode(hw);
_rtl92du_init_beacon_parameters(hw);
_rtl92du_init_ampdu_aggregation(hw);
rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xff);
/* unit: 256us. 256ms */
rtl_write_word(rtlpriv, REG_PKT_VO_VI_LIFE_TIME, 0x0400);
rtl_write_word(rtlpriv, REG_PKT_BE_BK_LIFE_TIME, 0x0400);
/* Hardware-controlled blinking. */
rtl_write_word(rtlpriv, REG_LEDCFG0, 0x8282);
rtl_write_byte(rtlpriv, REG_LEDCFG2, 0x82);
val32 = rtl_read_dword(rtlpriv, REG_TXDMA_OFFSET_CHK);
val32 |= DROP_DATA_EN;
rtl_write_dword(rtlpriv, REG_TXDMA_OFFSET_CHK, val32);
if (mac->rdg_en) {
rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xff);
rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200);
rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05);
}
for (i = 0; i < 4; i++)
rtl_write_dword(rtlpriv, REG_ARFR0 + i * 4, 0x1f8ffff0);
if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY) {
if (rtlusb->out_ep_nums == 2)
rtl_write_dword(rtlpriv, REG_FAST_EDCA_CTRL, 0x03066666);
else
rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0x8888);
} else {
rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0x5555);
}
val8 = rtl_read_byte(rtlpriv, 0x605);
val8 |= 0xf0;
rtl_write_byte(rtlpriv, 0x605, val8);
rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_CCK, 0x30);
rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_OFDM, 0x30);
rtl_write_byte(rtlpriv, 0x606, 0x30);
/* temp for high queue and mgnt Queue corrupt in time; it may
* cause hang when sw beacon use high_Q, other frame use mgnt_Q;
* or, sw beacon use mgnt_Q, other frame use high_Q;
*/
rtl_write_byte(rtlpriv, REG_DIS_TXREQ_CLR, 0x10);
val16 = rtl_read_word(rtlpriv, REG_RD_CTRL);
val16 |= BIT(12);
rtl_write_word(rtlpriv, REG_RD_CTRL, val16);
rtl_write_byte(rtlpriv, REG_TXPAUSE, 0);
/* usb suspend idle time count for bitfile0927 */
val8 = rtl_read_byte(rtlpriv, 0xfe56);
val8 |= BIT(0) | BIT(1);
rtl_write_byte(rtlpriv, 0xfe56, val8);
if (rtlhal->earlymode_enable) {
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
"EarlyMode Enabled!!!\n");
val8 = rtl_read_byte(rtlpriv, REG_EARLY_MODE_CONTROL);
val8 |= 0x1f;
rtl_write_byte(rtlpriv, REG_EARLY_MODE_CONTROL, val8);
rtl_write_byte(rtlpriv, REG_EARLY_MODE_CONTROL + 3, 0x80);
val8 = rtl_read_byte(rtlpriv, 0x605);
val8 |= 0x40;
rtl_write_byte(rtlpriv, 0x605, val8);
} else {
rtl_write_byte(rtlpriv, REG_EARLY_MODE_CONTROL, 0);
}
rtl92du_phy_bb_config(hw);
rtlphy->rf_mode = RF_OP_BY_SW_3WIRE;
/* set before initialize RF */
rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER4, 0x00f00000, 0xf);
/* config RF */
rtl92du_phy_rf_config(hw);
/* set default value after initialize RF */
rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER4, 0x00f00000, 0);
/* After load BB, RF params, we need to do more for 92D. */
rtl92du_update_bbrf_configuration(hw);
rtlphy->rfreg_chnlval[0] =
rtl_get_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK);
rtlphy->rfreg_chnlval[1] =
rtl_get_rfreg(hw, RF90_PATH_B, RF_CHNLBW, RFREG_OFFSET_MASK);
/*---- Set CCK and OFDM Block "ON"----*/
if (rtlhal->current_bandtype == BAND_ON_2_4G)
rtl_set_bbreg(hw, RFPGA0_RFMOD, BCCKEN, 0x1);
rtl_set_bbreg(hw, RFPGA0_RFMOD, BOFDMEN, 0x1);
/* reset hw sec */
rtl_cam_reset_all_entry(hw);
rtl92d_enable_hw_security_config(hw);
rtl_write_byte(rtlpriv, REG_HWSEQ_CTRL, 0xFF);
/* schmitt trigger, improve tx evm for 92du */
val8 = rtl_read_byte(rtlpriv, REG_AFE_XTAL_CTRL);
val8 |= BIT(1);
rtl_write_byte(rtlpriv, REG_AFE_XTAL_CTRL, val8);
/* Disable bar */
rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0xffff);
/* Nav limit */
rtl_write_byte(rtlpriv, REG_NAV_CTRL + 2, 0);
rtl_write_byte(rtlpriv, ROFDM0_XATXAFE + 3, 0x50);
/* Read EEPROM TX power index and PHY_REG_PG.txt to capture correct
* TX power index for different rate set.
*/
rtl92d_phy_get_hw_reg_originalvalue(hw);
ppsc->rfpwr_state = ERFON;
/* do IQK for 2.4G for better scan result */
if (rtlhal->current_bandtype == BAND_ON_2_4G)
rtl92du_phy_iq_calibrate(hw);
rtl92du_phy_lc_calibrate(hw, IS_92D_SINGLEPHY(rtlhal->version));
rtl92du_phy_init_pa_bias(hw);
mutex_unlock(rtlpriv->mutex_for_hw_init);
rtl92du_dm_init(hw);
/* For 2 PORT TSF SYNC */
rtl_write_word(rtlpriv, REG_BCN_CTRL, 0x1818);
rtlusb->reg_bcn_ctrl_val = 0x18;
udelay(500);
if (rtlhal->macphymode != DUALMAC_DUALPHY) {
rtl_write_dword(rtlpriv, RFPGA1_TXINFO,
rtl_read_dword(rtlpriv, RFPGA1_TXINFO) & ~BIT(30));
rtl_write_dword(rtlpriv, RFPGA0_TXGAINSTAGE,
rtl_read_dword(rtlpriv, RFPGA0_TXGAINSTAGE) & ~BIT(31));
rtl_write_dword(rtlpriv, ROFDM0_XBTXAFE, 0xa0e40000);
}
val32 = rtl_read_dword(rtlpriv, REG_FWHW_TXQ_CTRL);
val32 |= BIT(12);
rtl_write_dword(rtlpriv, REG_FWHW_TXQ_CTRL, val32);
return err;
}
static int _rtl92du_set_media_status(struct ieee80211_hw *hw,
enum nl80211_iftype type)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
enum led_ctl_mode ledaction = LED_CTL_NO_LINK;
u8 bt_msr = rtl_read_byte(rtlpriv, MSR);
bt_msr &= 0xfc;
if (type == NL80211_IFTYPE_UNSPECIFIED ||
type == NL80211_IFTYPE_STATION) {
rtl92d_stop_tx_beacon(hw);
_rtl92du_enable_bcn_sub_func(hw);
} else if (type == NL80211_IFTYPE_ADHOC ||
type == NL80211_IFTYPE_AP) {
rtl92d_resume_tx_beacon(hw);
_rtl92du_disable_bcn_sub_func(hw);
} else {
rtl_dbg(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;
rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
"Set Network type to NO LINK!\n");
break;
case NL80211_IFTYPE_ADHOC:
bt_msr |= MSR_ADHOC;
rtl_dbg(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;
rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
"Set Network type to STA!\n");
break;
case NL80211_IFTYPE_AP:
bt_msr |= MSR_AP;
rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
"Set Network type to AP!\n");
break;
default:
pr_err("Network type %d not supported!\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 rtl92du_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 reg_rcr;
if (rtlpriv->psc.rfpwr_state != ERFON)
return;
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *)(&reg_rcr));
if (check_bssid) {
reg_rcr |= RCR_CBSSID_DATA | RCR_CBSSID_BCN;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *)&reg_rcr);
_rtl92du_set_bcn_ctrl_reg(hw, 0, DIS_TSF_UDT);
} else if (!check_bssid) {
reg_rcr &= ~(RCR_CBSSID_DATA | RCR_CBSSID_BCN);
_rtl92du_set_bcn_ctrl_reg(hw, DIS_TSF_UDT, 0);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *)&reg_rcr);
}
}
int rtl92du_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (_rtl92du_set_media_status(hw, type))
return -EOPNOTSUPP;
/* check bssid */
if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
if (type != NL80211_IFTYPE_AP)
rtl92du_set_check_bssid(hw, true);
} else {
rtl92du_set_check_bssid(hw, false);
}
return 0;
}
/* do iqk or reload iqk */
/* windows just rtl92d_phy_reload_iqk_setting in set channel,
* but it's very strict for time sequence so we add
* rtl92d_phy_reload_iqk_setting here
*/
void rtl92du_linked_set_reg(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
u8 channel = rtlphy->current_channel;
u8 indexforchannel;
indexforchannel = rtl92d_get_rightchnlplace_for_iqk(channel);
if (!rtlphy->iqk_matrix[indexforchannel].iqk_done) {
rtl_dbg(rtlpriv, COMP_SCAN | COMP_INIT, DBG_DMESG,
"Do IQK for channel:%d\n", channel);
rtl92du_phy_iq_calibrate(hw);
}
}
void rtl92du_enable_interrupt(struct ieee80211_hw *hw)
{
/* Nothing to do. */
}
void rtl92du_disable_interrupt(struct ieee80211_hw *hw)
{
/* Nothing to do. */
}
static void _rtl92du_poweroff_adapter(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 retry = 100;
u8 u1b_tmp;
u16 val16;
u32 val32;
rtl_write_byte(rtlpriv, REG_LDOA15_CTRL, 0x04);
rtl_write_byte(rtlpriv, REG_RF_CTRL, 0x00);
/* IF fw in RAM code, do reset */
if (rtl_read_byte(rtlpriv, REG_MCUFWDL) & MCUFWDL_RDY) {
rtl_write_byte(rtlpriv, REG_FSIMR, 0);
/* We need to disable other HRCV INT to influence 8051 reset. */
rtl_write_byte(rtlpriv, REG_FWIMR, 0x20);
/* Close mask to prevent incorrect FW write operation. */
rtl_write_byte(rtlpriv, REG_FTIMR, 0);
rtl_write_byte(rtlpriv, REG_MCUFWDL, 0);
/* Set (REG_HMETFR + 3) to 0x20 is reset 8051 */
rtl_write_byte(rtlpriv, REG_HMETFR + 3, 0x20);
val16 = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
while (val16 & FEN_CPUEN) {
retry--;
if (retry == 0)
break;
udelay(50);
val16 = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
}
if (retry == 0) {
rtl_write_byte(rtlpriv, REG_FWIMR, 0);
/* if 8051 reset fail, reset MAC directly. */
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, 0x50);
mdelay(10);
}
}
/* reset MCU, MAC register, DCORE */
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, 0x54);
/* reset MCU ready status */
rtl_write_byte(rtlpriv, REG_MCUFWDL, 0x00);
/* Pull GPIO PIN to balance level and LED control */
/* Disable GPIO[7:0] */
rtl_write_word(rtlpriv, REG_GPIO_PIN_CTRL + 2, 0x0000);
val32 = rtl_read_dword(rtlpriv, REG_GPIO_PIN_CTRL);
u32p_replace_bits(&val32, val32 & 0xff, 0x0000ff00);
u32p_replace_bits(&val32, 0xff, 0x00ff0000);
rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, val32);
/* Disable GPIO[10:8] */
rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, 0);
val16 = rtl_read_word(rtlpriv, REG_GPIO_IO_SEL);
u16p_replace_bits(&val16, val16 & 0xf, 0x00f0);
u16p_replace_bits(&val16, 0xf, 0x0780);
rtl_write_word(rtlpriv, REG_GPIO_IO_SEL, val16);
/* Disable LED 0, 1, and 2 */
rtl_write_word(rtlpriv, REG_LEDCFG0, 0x8888);
rtl_write_byte(rtlpriv, REG_LEDCFG2, 0x88);
/* Disable analog sequence */
/* enter PFM mode */
rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x23);
rtl_write_word(rtlpriv, REG_APS_FSMCO,
APDM_HOST | AFSM_HSUS | PFM_ALDN);
/* lock ISO/CLK/Power control register */
rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x0e);
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
"In PowerOff,reg0x%x=%X\n",
REG_SPS0_CTRL, rtl_read_byte(rtlpriv, REG_SPS0_CTRL));
/* 0x17[7] 1b': power off in process 0b' : power off over */
if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
mutex_lock(rtlpriv->mutex_for_power_on_off);
u1b_tmp = rtl_read_byte(rtlpriv, REG_POWER_OFF_IN_PROCESS);
u1b_tmp &= ~BIT(7);
rtl_write_byte(rtlpriv, REG_POWER_OFF_IN_PROCESS, u1b_tmp);
mutex_unlock(rtlpriv->mutex_for_power_on_off);
}
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "<=======\n");
}
void rtl92du_card_disable(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));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
enum nl80211_iftype opmode;
u32 val32;
u16 val16;
u8 val8;
mac->link_state = MAC80211_NOLINK;
opmode = NL80211_IFTYPE_UNSPECIFIED;
_rtl92du_set_media_status(hw, opmode);
RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
/* Power sequence for each MAC. */
/* a. stop tx DMA */
/* b. close RF */
/* c. clear rx buf */
/* d. stop rx DMA */
/* e. reset MAC */
val16 = rtl_read_word(rtlpriv, REG_GPIO_MUXCFG);
val16 &= ~BIT(12);
rtl_write_word(rtlpriv, REG_GPIO_MUXCFG, val16);
rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xff);
udelay(500);
rtl_write_byte(rtlpriv, REG_CR, 0);
/* RF OFF sequence */
rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER4, 0x00f00000, 0xf);
rtl_set_rfreg(hw, RF90_PATH_A, RF_AC, RFREG_OFFSET_MASK, 0x00);
rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
val8 = FEN_USBD | FEN_USBA | FEN_BB_GLB_RSTN;
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, val8);
/* Mac0 can not do Global reset. Mac1 can do. */
if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY ||
rtlhal->interfaceindex == 1) {
/* before BB reset should do clock gated */
val32 = rtl_read_dword(rtlpriv, RFPGA0_XCD_RFPARAMETER);
val32 |= BIT(31);
rtl_write_dword(rtlpriv, RFPGA0_XCD_RFPARAMETER, val32);
val8 &= ~FEN_BB_GLB_RSTN;
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, val8);
}
rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "==> Do power off.......\n");
if (!rtl92du_phy_check_poweroff(hw))
return;
_rtl92du_poweroff_adapter(hw);
}
void rtl92du_set_beacon_related_registers(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtlpriv);
u16 bcn_interval, atim_window;
bcn_interval = mac->beacon_interval;
atim_window = 2;
rtl92du_disable_interrupt(hw);
rtl_write_word(rtlpriv, REG_ATIMWND, atim_window);
rtl_write_word(rtlpriv, REG_BCN_INTERVAL, bcn_interval);
rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660f);
rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_CCK, 0x20);
if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_OFDM, 0x30);
else
rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_OFDM, 0x20);
rtl_write_byte(rtlpriv, 0x606, 0x30);
}
void rtl92du_set_beacon_interval(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
u16 bcn_interval = mac->beacon_interval;
rtl_dbg(rtlpriv, COMP_BEACON, DBG_DMESG,
"beacon_interval:%d\n", bcn_interval);
rtl92du_disable_interrupt(hw);
rtl_write_word(rtlpriv, REG_BCN_INTERVAL, bcn_interval);
rtl92du_enable_interrupt(hw);
}
void rtl92du_update_interrupt_mask(struct ieee80211_hw *hw,
u32 add_msr, u32 rm_msr)
{
/* Nothing to do here. */
}
void rtl92du_read_chip_version(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
/* Chip version reading is done in rtl92d_read_eeprom_info. */
rtlpriv->rtlhal.hw_type = HARDWARE_TYPE_RTL8192DU;
}
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