rtl8188eu/hal/odm_RTL8188E.c
Larry Finger 77d786b6e8 rtl8188eu: Copy the code from the kernel into a new branch
This version takes advantage of all the cleanups to the code. It has
been modified to build on older kernels.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2022-06-08 18:46:35 -05:00

264 lines
12 KiB
C

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2011 Realtek Corporation. */
#include "../include/drv_types.h"
static void odm_RX_HWAntDivInit(struct odm_dm_struct *dm_odm)
{
struct adapter *adapter = dm_odm->Adapter;
u32 value32;
/* MAC Setting */
value32 = rtl8188e_PHY_QueryBBReg(adapter, ODM_REG_ANTSEL_PIN_11N, bMaskDWord);
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_ANTSEL_PIN_11N, bMaskDWord, value32 | (BIT(23) | BIT(25))); /* Reg4C[25]=1, Reg4C[23]=1 for pin output */
/* Pin Settings */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_PIN_CTRL_11N, BIT(9) | BIT(8), 0);/* Reg870[8]=1'b0, Reg870[9]=1'b0 antsel antselb by HW */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_ANT_CTRL_11N, BIT(10), 0); /* Reg864[10]=1'b0 antsel2 by HW */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_LNA_SWITCH_11N, BIT(22), 1); /* Regb2c[22]=1'b0 disable CS/CG switch */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_LNA_SWITCH_11N, BIT(31), 1); /* Regb2c[31]=1'b1 output at CG only */
/* OFDM Settings */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_ANTDIV_PARA1_11N, bMaskDWord, 0x000000a0);
/* CCK Settings */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_BB_PWR_SAV4_11N, BIT(7), 1); /* Fix CCK PHY status report issue */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_CCK_ANTDIV_PARA2_11N, BIT(4), 1); /* CCK complete HW AntDiv within 64 samples */
ODM_UpdateRxIdleAnt_88E(dm_odm, MAIN_ANT);
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_ANT_MAPPING1_11N, 0xFFFF, 0x0201); /* antenna mapping table */
}
static void odm_TRX_HWAntDivInit(struct odm_dm_struct *dm_odm)
{
struct adapter *adapter = dm_odm->Adapter;
u32 value32;
/* MAC Setting */
value32 = rtl8188e_PHY_QueryBBReg(adapter, ODM_REG_ANTSEL_PIN_11N, bMaskDWord);
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_ANTSEL_PIN_11N, bMaskDWord, value32 | (BIT(23) | BIT(25))); /* Reg4C[25]=1, Reg4C[23]=1 for pin output */
/* Pin Settings */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_PIN_CTRL_11N, BIT(9) | BIT(8), 0);/* Reg870[8]=1'b0, Reg870[9]=1'b0 antsel antselb by HW */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_ANT_CTRL_11N, BIT(10), 0); /* Reg864[10]=1'b0 antsel2 by HW */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_LNA_SWITCH_11N, BIT(22), 0); /* Regb2c[22]=1'b0 disable CS/CG switch */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_LNA_SWITCH_11N, BIT(31), 1); /* Regb2c[31]=1'b1 output at CG only */
/* OFDM Settings */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_ANTDIV_PARA1_11N, bMaskDWord, 0x000000a0);
/* CCK Settings */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_BB_PWR_SAV4_11N, BIT(7), 1); /* Fix CCK PHY status report issue */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_CCK_ANTDIV_PARA2_11N, BIT(4), 1); /* CCK complete HW AntDiv within 64 samples */
/* Tx Settings */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_TX_ANT_CTRL_11N, BIT(21), 0); /* Reg80c[21]=1'b0 from TX Reg */
ODM_UpdateRxIdleAnt_88E(dm_odm, MAIN_ANT);
/* antenna mapping table */
if (!dm_odm->bIsMPChip) { /* testchip */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_DEFUALT_A_11N, BIT(10) | BIT(9) | BIT(8), 1); /* Reg858[10:8]=3'b001 */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_DEFUALT_A_11N, BIT(13) | BIT(12) | BIT(11), 2); /* Reg858[13:11]=3'b010 */
} else { /* MPchip */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_ANT_MAPPING1_11N, bMaskDWord, 0x0201); /* Reg914=3'b010, Reg915=3'b001 */
}
}
static void odm_FastAntTrainingInit(struct odm_dm_struct *dm_odm)
{
struct adapter *adapter = dm_odm->Adapter;
u32 value32;
/* MAC Setting */
value32 = rtl8188e_PHY_QueryBBReg(adapter, 0x4c, bMaskDWord);
rtl8188e_PHY_SetBBReg(adapter, 0x4c, bMaskDWord, value32 | (BIT(23) | BIT(25))); /* Reg4C[25]=1, Reg4C[23]=1 for pin output */
value32 = rtl8188e_PHY_QueryBBReg(adapter, 0x7B4, bMaskDWord);
rtl8188e_PHY_SetBBReg(adapter, 0x7b4, bMaskDWord, value32 | (BIT(16) | BIT(17))); /* Reg7B4[16]=1 enable antenna training, Reg7B4[17]=1 enable A2 match */
/* Match MAC ADDR */
rtl8188e_PHY_SetBBReg(adapter, 0x7b4, 0xFFFF, 0);
rtl8188e_PHY_SetBBReg(adapter, 0x7b0, bMaskDWord, 0);
rtl8188e_PHY_SetBBReg(adapter, 0x870, BIT(9) | BIT(8), 0);/* Reg870[8]=1'b0, Reg870[9]=1'b0 antsel antselb by HW */
rtl8188e_PHY_SetBBReg(adapter, 0x864, BIT(10), 0); /* Reg864[10]=1'b0 antsel2 by HW */
rtl8188e_PHY_SetBBReg(adapter, 0xb2c, BIT(22), 0); /* Regb2c[22]=1'b0 disable CS/CG switch */
rtl8188e_PHY_SetBBReg(adapter, 0xb2c, BIT(31), 1); /* Regb2c[31]=1'b1 output at CG only */
rtl8188e_PHY_SetBBReg(adapter, 0xca4, bMaskDWord, 0x000000a0);
if (!dm_odm->bIsMPChip) { /* testchip */
rtl8188e_PHY_SetBBReg(adapter, 0x858, BIT(10) | BIT(9) | BIT(8), 1); /* Reg858[10:8]=3'b001 */
rtl8188e_PHY_SetBBReg(adapter, 0x858, BIT(13) | BIT(12) | BIT(11), 2); /* Reg858[13:11]=3'b010 */
} else { /* MPchip */
rtl8188e_PHY_SetBBReg(adapter, 0x914, bMaskByte0, 1);
rtl8188e_PHY_SetBBReg(adapter, 0x914, bMaskByte1, 2);
}
/* Default Ant Setting when no fast training */
rtl8188e_PHY_SetBBReg(adapter, 0x80c, BIT(21), 1); /* Reg80c[21]=1'b1 from TX Info */
rtl8188e_PHY_SetBBReg(adapter, 0x864, BIT(5) | BIT(4) | BIT(3), 0); /* Default RX */
rtl8188e_PHY_SetBBReg(adapter, 0x864, BIT(8) | BIT(7) | BIT(6), 1); /* Optional RX */
/* Enter Training state */
rtl8188e_PHY_SetBBReg(adapter, 0x864, BIT(2) | BIT(1) | BIT(0), 1);
rtl8188e_PHY_SetBBReg(adapter, 0xc50, BIT(7), 1); /* RegC50[7]=1'b1 enable HW AntDiv */
}
void ODM_AntennaDiversityInit_88E(struct odm_dm_struct *dm_odm)
{
if (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV)
odm_RX_HWAntDivInit(dm_odm);
else if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV)
odm_TRX_HWAntDivInit(dm_odm);
else if (dm_odm->AntDivType == CG_TRX_SMART_ANTDIV)
odm_FastAntTrainingInit(dm_odm);
}
void ODM_UpdateRxIdleAnt_88E(struct odm_dm_struct *dm_odm, u8 Ant)
{
struct fast_ant_train *dm_fat_tbl = &dm_odm->DM_FatTable;
struct adapter *adapter = dm_odm->Adapter;
u32 DefaultAnt, OptionalAnt;
if (dm_fat_tbl->RxIdleAnt != Ant) {
if (Ant == MAIN_ANT) {
DefaultAnt = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ? MAIN_ANT_CG_TRX : MAIN_ANT_CGCS_RX;
OptionalAnt = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ? AUX_ANT_CG_TRX : AUX_ANT_CGCS_RX;
} else {
DefaultAnt = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ? AUX_ANT_CG_TRX : AUX_ANT_CGCS_RX;
OptionalAnt = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ? MAIN_ANT_CG_TRX : MAIN_ANT_CGCS_RX;
}
if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) {
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_ANT_CTRL_11N, BIT(5) | BIT(4) | BIT(3), DefaultAnt); /* Default RX */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_ANT_CTRL_11N, BIT(8) | BIT(7) | BIT(6), OptionalAnt); /* Optional RX */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_ANTSEL_CTRL_11N, BIT(14) | BIT(13) | BIT(12), DefaultAnt); /* Default TX */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RESP_TX_11N, BIT(6) | BIT(7), DefaultAnt); /* Resp Tx */
} else if (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV) {
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_ANT_CTRL_11N, BIT(5) | BIT(4) | BIT(3), DefaultAnt); /* Default RX */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_RX_ANT_CTRL_11N, BIT(8) | BIT(7) | BIT(6), OptionalAnt); /* Optional RX */
}
}
dm_fat_tbl->RxIdleAnt = Ant;
if (Ant != MAIN_ANT)
pr_info("RxIdleAnt=AUX_ANT\n");
}
static void odm_UpdateTxAnt_88E(struct odm_dm_struct *dm_odm, u8 Ant, u32 MacId)
{
struct fast_ant_train *dm_fat_tbl = &dm_odm->DM_FatTable;
u8 TargetAnt;
if (Ant == MAIN_ANT)
TargetAnt = MAIN_ANT_CG_TRX;
else
TargetAnt = AUX_ANT_CG_TRX;
dm_fat_tbl->antsel_a[MacId] = TargetAnt & BIT(0);
dm_fat_tbl->antsel_b[MacId] = (TargetAnt & BIT(1)) >> 1;
dm_fat_tbl->antsel_c[MacId] = (TargetAnt & BIT(2)) >> 2;
}
void ODM_SetTxAntByTxInfo_88E(struct odm_dm_struct *dm_odm, u8 *pDesc, u8 macId)
{
struct fast_ant_train *dm_fat_tbl = &dm_odm->DM_FatTable;
if ((dm_odm->AntDivType == CG_TRX_HW_ANTDIV) || (dm_odm->AntDivType == CG_TRX_SMART_ANTDIV)) {
SET_TX_DESC_ANTSEL_A_88E(pDesc, dm_fat_tbl->antsel_a[macId]);
SET_TX_DESC_ANTSEL_B_88E(pDesc, dm_fat_tbl->antsel_b[macId]);
SET_TX_DESC_ANTSEL_C_88E(pDesc, dm_fat_tbl->antsel_c[macId]);
}
}
void ODM_AntselStatistics_88E(struct odm_dm_struct *dm_odm, u8 antsel_tr_mux, u32 MacId, u8 RxPWDBAll)
{
struct fast_ant_train *dm_fat_tbl = &dm_odm->DM_FatTable;
if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) {
if (antsel_tr_mux == MAIN_ANT_CG_TRX) {
dm_fat_tbl->MainAnt_Sum[MacId] += RxPWDBAll;
dm_fat_tbl->MainAnt_Cnt[MacId]++;
} else {
dm_fat_tbl->AuxAnt_Sum[MacId] += RxPWDBAll;
dm_fat_tbl->AuxAnt_Cnt[MacId]++;
}
} else if (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV) {
if (antsel_tr_mux == MAIN_ANT_CGCS_RX) {
dm_fat_tbl->MainAnt_Sum[MacId] += RxPWDBAll;
dm_fat_tbl->MainAnt_Cnt[MacId]++;
} else {
dm_fat_tbl->AuxAnt_Sum[MacId] += RxPWDBAll;
dm_fat_tbl->AuxAnt_Cnt[MacId]++;
}
}
}
static void odm_HWAntDiv(struct odm_dm_struct *dm_odm)
{
u32 i, MinRSSI = 0xFF, AntDivMaxRSSI = 0, MaxRSSI = 0, LocalMinRSSI, LocalMaxRSSI;
u32 Main_RSSI, Aux_RSSI;
u8 RxIdleAnt = 0, TargetAnt = 7;
struct fast_ant_train *dm_fat_tbl = &dm_odm->DM_FatTable;
struct rtw_dig *pDM_DigTable = &dm_odm->DM_DigTable;
struct sta_info *pEntry;
for (i = 0; i < ODM_ASSOCIATE_ENTRY_NUM; i++) {
pEntry = dm_odm->pODM_StaInfo[i];
if (IS_STA_VALID(pEntry)) {
/* 2 Caculate RSSI per Antenna */
Main_RSSI = (dm_fat_tbl->MainAnt_Cnt[i] != 0) ? (dm_fat_tbl->MainAnt_Sum[i] / dm_fat_tbl->MainAnt_Cnt[i]) : 0;
Aux_RSSI = (dm_fat_tbl->AuxAnt_Cnt[i] != 0) ? (dm_fat_tbl->AuxAnt_Sum[i] / dm_fat_tbl->AuxAnt_Cnt[i]) : 0;
TargetAnt = (Main_RSSI >= Aux_RSSI) ? MAIN_ANT : AUX_ANT;
/* 2 Select MaxRSSI for DIG */
LocalMaxRSSI = (Main_RSSI > Aux_RSSI) ? Main_RSSI : Aux_RSSI;
if ((LocalMaxRSSI > AntDivMaxRSSI) && (LocalMaxRSSI < 40))
AntDivMaxRSSI = LocalMaxRSSI;
if (LocalMaxRSSI > MaxRSSI)
MaxRSSI = LocalMaxRSSI;
/* 2 Select RX Idle Antenna */
if ((dm_fat_tbl->RxIdleAnt == MAIN_ANT) && (Main_RSSI == 0))
Main_RSSI = Aux_RSSI;
else if ((dm_fat_tbl->RxIdleAnt == AUX_ANT) && (Aux_RSSI == 0))
Aux_RSSI = Main_RSSI;
LocalMinRSSI = (Main_RSSI > Aux_RSSI) ? Aux_RSSI : Main_RSSI;
if (LocalMinRSSI < MinRSSI) {
MinRSSI = LocalMinRSSI;
RxIdleAnt = TargetAnt;
}
/* 2 Select TRX Antenna */
if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV)
odm_UpdateTxAnt_88E(dm_odm, TargetAnt, i);
}
dm_fat_tbl->MainAnt_Sum[i] = 0;
dm_fat_tbl->AuxAnt_Sum[i] = 0;
dm_fat_tbl->MainAnt_Cnt[i] = 0;
dm_fat_tbl->AuxAnt_Cnt[i] = 0;
}
/* 2 Set RX Idle Antenna */
ODM_UpdateRxIdleAnt_88E(dm_odm, RxIdleAnt);
pDM_DigTable->AntDiv_RSSI_max = AntDivMaxRSSI;
pDM_DigTable->RSSI_max = MaxRSSI;
}
void ODM_AntennaDiversity_88E(struct odm_dm_struct *dm_odm)
{
struct fast_ant_train *dm_fat_tbl = &dm_odm->DM_FatTable;
struct adapter *adapter = dm_odm->Adapter;
if (!(dm_odm->SupportAbility & ODM_BB_ANT_DIV))
return;
if (!dm_odm->bLinked) {
if (dm_fat_tbl->bBecomeLinked) {
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_IGI_A_11N, BIT(7), 0); /* RegC50[7]=1'b1 enable HW AntDiv */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_CCK_ANTDIV_PARA1_11N, BIT(15), 0); /* Enable CCK AntDiv */
if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV)
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_TX_ANT_CTRL_11N, BIT(21), 0); /* Reg80c[21]=1'b0 from TX Reg */
dm_fat_tbl->bBecomeLinked = dm_odm->bLinked;
}
return;
} else {
if (!dm_fat_tbl->bBecomeLinked) {
/* Because HW AntDiv is disabled before Link, we enable HW AntDiv after link */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_IGI_A_11N, BIT(7), 1); /* RegC50[7]=1'b1 enable HW AntDiv */
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_CCK_ANTDIV_PARA1_11N, BIT(15), 1); /* Enable CCK AntDiv */
if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV)
rtl8188e_PHY_SetBBReg(adapter, ODM_REG_TX_ANT_CTRL_11N, BIT(21), 1); /* Reg80c[21]=1'b1 from TX Info */
dm_fat_tbl->bBecomeLinked = dm_odm->bLinked;
}
}
if ((dm_odm->AntDivType == CG_TRX_HW_ANTDIV) || (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV))
odm_HWAntDiv(dm_odm);
}