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rtw8822b.c
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rtw8822b.c
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019 Realtek Corporation
*/
#include <linux/module.h>
#include "main.h"
#include "coex.h"
#include "fw.h"
#include "tx.h"
#include "rx.h"
#include "phy.h"
#include "rtw8822b.h"
#include "rtw8822b_table.h"
#include "mac.h"
#include "reg.h"
#include "debug.h"
#include "bf.h"
#include "regd.h"
static void rtw8822b_config_trx_mode(struct rtw_dev *rtwdev, u8 tx_path,
u8 rx_path, bool is_tx2_path);
static void rtw8822be_efuse_parsing(struct rtw_efuse *efuse,
struct rtw8822b_efuse *map)
{
ether_addr_copy(efuse->addr, map->e.mac_addr);
}
static void rtw8822bu_efuse_parsing(struct rtw_efuse *efuse,
struct rtw8822b_efuse *map)
{
ether_addr_copy(efuse->addr, map->u.mac_addr);
}
static void rtw8822bs_efuse_parsing(struct rtw_efuse *efuse,
struct rtw8822b_efuse *map)
{
ether_addr_copy(efuse->addr, map->s.mac_addr);
}
static int rtw8822b_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
{
struct rtw_efuse *efuse = &rtwdev->efuse;
struct rtw8822b_efuse *map;
int i;
map = (struct rtw8822b_efuse *)log_map;
efuse->rfe_option = map->rfe_option;
efuse->rf_board_option = map->rf_board_option;
efuse->crystal_cap = map->xtal_k;
efuse->pa_type_2g = map->pa_type;
efuse->pa_type_5g = map->pa_type;
efuse->lna_type_2g = map->lna_type_2g[0];
efuse->lna_type_5g = map->lna_type_5g[0];
efuse->channel_plan = map->channel_plan;
efuse->country_code[0] = map->country_code[0];
efuse->country_code[1] = map->country_code[1];
efuse->bt_setting = map->rf_bt_setting;
efuse->regd = map->rf_board_option & 0x7;
efuse->thermal_meter[RF_PATH_A] = map->thermal_meter;
efuse->thermal_meter_k = map->thermal_meter;
for (i = 0; i < 4; i++)
efuse->txpwr_idx_table[i] = map->txpwr_idx_table[i];
switch (rtw_hci_type(rtwdev)) {
case RTW_HCI_TYPE_PCIE:
rtw8822be_efuse_parsing(efuse, map);
break;
case RTW_HCI_TYPE_USB:
rtw8822bu_efuse_parsing(efuse, map);
break;
case RTW_HCI_TYPE_SDIO:
rtw8822bs_efuse_parsing(efuse, map);
break;
default:
/* unsupported now */
return -ENOTSUPP;
}
return 0;
}
static void rtw8822b_phy_rfe_init(struct rtw_dev *rtwdev)
{
/* chip top mux */
rtw_write32_mask(rtwdev, 0x64, BIT(29) | BIT(28), 0x3);
rtw_write32_mask(rtwdev, 0x4c, BIT(26) | BIT(25), 0x0);
rtw_write32_mask(rtwdev, 0x40, BIT(2), 0x1);
/* from s0 or s1 */
rtw_write32_mask(rtwdev, 0x1990, 0x3f, 0x30);
rtw_write32_mask(rtwdev, 0x1990, (BIT(11) | BIT(10)), 0x3);
/* input or output */
rtw_write32_mask(rtwdev, 0x974, 0x3f, 0x3f);
rtw_write32_mask(rtwdev, 0x974, (BIT(11) | BIT(10)), 0x3);
}
#define RTW_TXSCALE_SIZE 37
static const u32 rtw8822b_txscale_tbl[RTW_TXSCALE_SIZE] = {
0x081, 0x088, 0x090, 0x099, 0x0a2, 0x0ac, 0x0b6, 0x0c0, 0x0cc, 0x0d8,
0x0e5, 0x0f2, 0x101, 0x110, 0x120, 0x131, 0x143, 0x156, 0x16a, 0x180,
0x197, 0x1af, 0x1c8, 0x1e3, 0x200, 0x21e, 0x23e, 0x261, 0x285, 0x2ab,
0x2d3, 0x2fe, 0x32b, 0x35c, 0x38e, 0x3c4, 0x3fe
};
static u8 rtw8822b_get_swing_index(struct rtw_dev *rtwdev)
{
u8 i = 0;
u32 swing, table_value;
swing = rtw_read32_mask(rtwdev, 0xc1c, 0xffe00000);
for (i = 0; i < RTW_TXSCALE_SIZE; i++) {
table_value = rtw8822b_txscale_tbl[i];
if (swing == table_value)
break;
}
return i;
}
static void rtw8822b_pwrtrack_init(struct rtw_dev *rtwdev)
{
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
u8 swing_idx = rtw8822b_get_swing_index(rtwdev);
u8 path;
if (swing_idx >= RTW_TXSCALE_SIZE)
dm_info->default_ofdm_index = 24;
else
dm_info->default_ofdm_index = swing_idx;
for (path = RF_PATH_A; path < rtwdev->hal.rf_path_num; path++) {
ewma_thermal_init(&dm_info->avg_thermal[path]);
dm_info->delta_power_index[path] = 0;
}
dm_info->pwr_trk_triggered = false;
dm_info->pwr_trk_init_trigger = true;
dm_info->thermal_meter_k = rtwdev->efuse.thermal_meter_k;
}
static void rtw8822b_phy_bf_init(struct rtw_dev *rtwdev)
{
rtw_bf_phy_init(rtwdev);
/* Grouping bitmap parameters */
rtw_write32(rtwdev, 0x1C94, 0xAFFFAFFF);
}
static void rtw8822b_phy_set_param(struct rtw_dev *rtwdev)
{
struct rtw_hal *hal = &rtwdev->hal;
u8 crystal_cap;
bool is_tx2_path;
/* power on BB/RF domain */
rtw_write8_set(rtwdev, REG_SYS_FUNC_EN,
BIT_FEN_BB_RSTB | BIT_FEN_BB_GLB_RST);
rtw_write8_set(rtwdev, REG_RF_CTRL,
BIT_RF_EN | BIT_RF_RSTB | BIT_RF_SDM_RSTB);
rtw_write32_set(rtwdev, REG_WLRF1, BIT_WLRF1_BBRF_EN);
/* pre init before header files config */
rtw_write32_clr(rtwdev, REG_RXPSEL, BIT_RX_PSEL_RST);
rtw_phy_load_tables(rtwdev);
crystal_cap = rtwdev->efuse.crystal_cap & 0x3F;
rtw_write32_mask(rtwdev, 0x24, 0x7e000000, crystal_cap);
rtw_write32_mask(rtwdev, 0x28, 0x7e, crystal_cap);
/* post init after header files config */
rtw_write32_set(rtwdev, REG_RXPSEL, BIT_RX_PSEL_RST);
is_tx2_path = false;
rtw8822b_config_trx_mode(rtwdev, hal->antenna_tx, hal->antenna_rx,
is_tx2_path);
rtw_phy_init(rtwdev);
rtw8822b_phy_rfe_init(rtwdev);
rtw8822b_pwrtrack_init(rtwdev);
rtw8822b_phy_bf_init(rtwdev);
}
#define WLAN_SLOT_TIME 0x09
#define WLAN_PIFS_TIME 0x19
#define WLAN_SIFS_CCK_CONT_TX 0xA
#define WLAN_SIFS_OFDM_CONT_TX 0xE
#define WLAN_SIFS_CCK_TRX 0x10
#define WLAN_SIFS_OFDM_TRX 0x10
#define WLAN_VO_TXOP_LIMIT 0x186 /* unit : 32us */
#define WLAN_VI_TXOP_LIMIT 0x3BC /* unit : 32us */
#define WLAN_RDG_NAV 0x05
#define WLAN_TXOP_NAV 0x1B
#define WLAN_CCK_RX_TSF 0x30
#define WLAN_OFDM_RX_TSF 0x30
#define WLAN_TBTT_PROHIBIT 0x04 /* unit : 32us */
#define WLAN_TBTT_HOLD_TIME 0x064 /* unit : 32us */
#define WLAN_DRV_EARLY_INT 0x04
#define WLAN_BCN_DMA_TIME 0x02
#define WLAN_RX_FILTER0 0x0FFFFFFF
#define WLAN_RX_FILTER2 0xFFFF
#define WLAN_RCR_CFG 0xE400220E
#define WLAN_RXPKT_MAX_SZ 12288
#define WLAN_RXPKT_MAX_SZ_512 (WLAN_RXPKT_MAX_SZ >> 9)
#define WLAN_AMPDU_MAX_TIME 0x70
#define WLAN_RTS_LEN_TH 0xFF
#define WLAN_RTS_TX_TIME_TH 0x08
#define WLAN_MAX_AGG_PKT_LIMIT 0x20
#define WLAN_RTS_MAX_AGG_PKT_LIMIT 0x20
#define FAST_EDCA_VO_TH 0x06
#define FAST_EDCA_VI_TH 0x06
#define FAST_EDCA_BE_TH 0x06
#define FAST_EDCA_BK_TH 0x06
#define WLAN_BAR_RETRY_LIMIT 0x01
#define WLAN_RA_TRY_RATE_AGG_LIMIT 0x08
#define WLAN_TX_FUNC_CFG1 0x30
#define WLAN_TX_FUNC_CFG2 0x30
#define WLAN_MAC_OPT_NORM_FUNC1 0x98
#define WLAN_MAC_OPT_LB_FUNC1 0x80
#define WLAN_MAC_OPT_FUNC2 0xb0810041
#define WLAN_SIFS_CFG (WLAN_SIFS_CCK_CONT_TX | \
(WLAN_SIFS_OFDM_CONT_TX << BIT_SHIFT_SIFS_OFDM_CTX) | \
(WLAN_SIFS_CCK_TRX << BIT_SHIFT_SIFS_CCK_TRX) | \
(WLAN_SIFS_OFDM_TRX << BIT_SHIFT_SIFS_OFDM_TRX))
#define WLAN_TBTT_TIME (WLAN_TBTT_PROHIBIT |\
(WLAN_TBTT_HOLD_TIME << BIT_SHIFT_TBTT_HOLD_TIME_AP))
#define WLAN_NAV_CFG (WLAN_RDG_NAV | (WLAN_TXOP_NAV << 16))
#define WLAN_RX_TSF_CFG (WLAN_CCK_RX_TSF | (WLAN_OFDM_RX_TSF) << 8)
static int rtw8822b_mac_init(struct rtw_dev *rtwdev)
{
u32 value32;
/* protocol configuration */
rtw_write8_clr(rtwdev, REG_SW_AMPDU_BURST_MODE_CTRL, BIT_PRE_TX_CMD);
rtw_write8(rtwdev, REG_AMPDU_MAX_TIME_V1, WLAN_AMPDU_MAX_TIME);
rtw_write8_set(rtwdev, REG_TX_HANG_CTRL, BIT_EN_EOF_V1);
value32 = WLAN_RTS_LEN_TH | (WLAN_RTS_TX_TIME_TH << 8) |
(WLAN_MAX_AGG_PKT_LIMIT << 16) |
(WLAN_RTS_MAX_AGG_PKT_LIMIT << 24);
rtw_write32(rtwdev, REG_PROT_MODE_CTRL, value32);
rtw_write16(rtwdev, REG_BAR_MODE_CTRL + 2,
WLAN_BAR_RETRY_LIMIT | WLAN_RA_TRY_RATE_AGG_LIMIT << 8);
rtw_write8(rtwdev, REG_FAST_EDCA_VOVI_SETTING, FAST_EDCA_VO_TH);
rtw_write8(rtwdev, REG_FAST_EDCA_VOVI_SETTING + 2, FAST_EDCA_VI_TH);
rtw_write8(rtwdev, REG_FAST_EDCA_BEBK_SETTING, FAST_EDCA_BE_TH);
rtw_write8(rtwdev, REG_FAST_EDCA_BEBK_SETTING + 2, FAST_EDCA_BK_TH);
/* EDCA configuration */
rtw_write8_clr(rtwdev, REG_TIMER0_SRC_SEL, BIT_TSFT_SEL_TIMER0);
rtw_write16(rtwdev, REG_TXPAUSE, 0x0000);
rtw_write8(rtwdev, REG_SLOT, WLAN_SLOT_TIME);
rtw_write8(rtwdev, REG_PIFS, WLAN_PIFS_TIME);
rtw_write32(rtwdev, REG_SIFS, WLAN_SIFS_CFG);
rtw_write16(rtwdev, REG_EDCA_VO_PARAM + 2, WLAN_VO_TXOP_LIMIT);
rtw_write16(rtwdev, REG_EDCA_VI_PARAM + 2, WLAN_VI_TXOP_LIMIT);
rtw_write32(rtwdev, REG_RD_NAV_NXT, WLAN_NAV_CFG);
rtw_write16(rtwdev, REG_RXTSF_OFFSET_CCK, WLAN_RX_TSF_CFG);
/* Set beacon cotnrol - enable TSF and other related functions */
rtw_write8_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION);
/* Set send beacon related registers */
rtw_write32(rtwdev, REG_TBTT_PROHIBIT, WLAN_TBTT_TIME);
rtw_write8(rtwdev, REG_DRVERLYINT, WLAN_DRV_EARLY_INT);
rtw_write8(rtwdev, REG_BCNDMATIM, WLAN_BCN_DMA_TIME);
rtw_write8_clr(rtwdev, REG_TX_PTCL_CTRL + 1, BIT_SIFS_BK_EN >> 8);
/* WMAC configuration */
rtw_write32(rtwdev, REG_RXFLTMAP0, WLAN_RX_FILTER0);
rtw_write16(rtwdev, REG_RXFLTMAP2, WLAN_RX_FILTER2);
rtw_write32(rtwdev, REG_RCR, WLAN_RCR_CFG);
rtw_write8(rtwdev, REG_RX_PKT_LIMIT, WLAN_RXPKT_MAX_SZ_512);
rtw_write8(rtwdev, REG_TCR + 2, WLAN_TX_FUNC_CFG2);
rtw_write8(rtwdev, REG_TCR + 1, WLAN_TX_FUNC_CFG1);
rtw_write32(rtwdev, REG_WMAC_OPTION_FUNCTION + 8, WLAN_MAC_OPT_FUNC2);
rtw_write8(rtwdev, REG_WMAC_OPTION_FUNCTION + 4, WLAN_MAC_OPT_NORM_FUNC1);
rtw_write8_set(rtwdev, REG_SND_PTCL_CTRL,
BIT_DIS_CHK_VHTSIGB_CRC);
return 0;
}
static void rtw8822b_set_channel_rfe_efem(struct rtw_dev *rtwdev, u8 channel)
{
struct rtw_hal *hal = &rtwdev->hal;
if (IS_CH_2G_BAND(channel)) {
rtw_write32s_mask(rtwdev, REG_RFESEL0, 0xffffff, 0x705770);
rtw_write32s_mask(rtwdev, REG_RFESEL8, MASKBYTE1, 0x57);
rtw_write32s_mask(rtwdev, REG_RFECTL, BIT(4), 0);
} else {
rtw_write32s_mask(rtwdev, REG_RFESEL0, 0xffffff, 0x177517);
rtw_write32s_mask(rtwdev, REG_RFESEL8, MASKBYTE1, 0x75);
rtw_write32s_mask(rtwdev, REG_RFECTL, BIT(5), 0);
}
rtw_write32s_mask(rtwdev, REG_RFEINV, BIT(11) | BIT(10) | 0x3f, 0x0);
if (hal->antenna_rx == BB_PATH_AB ||
hal->antenna_tx == BB_PATH_AB) {
/* 2TX or 2RX */
rtw_write32s_mask(rtwdev, REG_TRSW, MASKLWORD, 0xa501);
} else if (hal->antenna_rx == hal->antenna_tx) {
/* TXA+RXA or TXB+RXB */
rtw_write32s_mask(rtwdev, REG_TRSW, MASKLWORD, 0xa500);
} else {
/* TXB+RXA or TXA+RXB */
rtw_write32s_mask(rtwdev, REG_TRSW, MASKLWORD, 0xa005);
}
}
static void rtw8822b_set_channel_rfe_ifem(struct rtw_dev *rtwdev, u8 channel)
{
struct rtw_hal *hal = &rtwdev->hal;
if (IS_CH_2G_BAND(channel)) {
/* signal source */
rtw_write32s_mask(rtwdev, REG_RFESEL0, 0xffffff, 0x745774);
rtw_write32s_mask(rtwdev, REG_RFESEL8, MASKBYTE1, 0x57);
} else {
/* signal source */
rtw_write32s_mask(rtwdev, REG_RFESEL0, 0xffffff, 0x477547);
rtw_write32s_mask(rtwdev, REG_RFESEL8, MASKBYTE1, 0x75);
}
rtw_write32s_mask(rtwdev, REG_RFEINV, BIT(11) | BIT(10) | 0x3f, 0x0);
if (IS_CH_2G_BAND(channel)) {
if (hal->antenna_rx == BB_PATH_AB ||
hal->antenna_tx == BB_PATH_AB) {
/* 2TX or 2RX */
rtw_write32s_mask(rtwdev, REG_TRSW, MASKLWORD, 0xa501);
} else if (hal->antenna_rx == hal->antenna_tx) {
/* TXA+RXA or TXB+RXB */
rtw_write32s_mask(rtwdev, REG_TRSW, MASKLWORD, 0xa500);
} else {
/* TXB+RXA or TXA+RXB */
rtw_write32s_mask(rtwdev, REG_TRSW, MASKLWORD, 0xa005);
}
} else {
rtw_write32s_mask(rtwdev, REG_TRSW, MASKLWORD, 0xa5a5);
}
}
enum {
CCUT_IDX_1R_2G,
CCUT_IDX_2R_2G,
CCUT_IDX_1R_5G,
CCUT_IDX_2R_5G,
CCUT_IDX_NR,
};
struct cca_ccut {
u32 reg82c[CCUT_IDX_NR];
u32 reg830[CCUT_IDX_NR];
u32 reg838[CCUT_IDX_NR];
};
static const struct cca_ccut cca_ifem_ccut = {
{0x75C97010, 0x75C97010, 0x75C97010, 0x75C97010}, /*Reg82C*/
{0x79a0eaaa, 0x79A0EAAC, 0x79a0eaaa, 0x79a0eaaa}, /*Reg830*/
{0x87765541, 0x87746341, 0x87765541, 0x87746341}, /*Reg838*/
};
static const struct cca_ccut cca_efem_ccut = {
{0x75B86010, 0x75B76010, 0x75B86010, 0x75B76010}, /*Reg82C*/
{0x79A0EAA8, 0x79A0EAAC, 0x79A0EAA8, 0x79a0eaaa}, /*Reg830*/
{0x87766451, 0x87766431, 0x87766451, 0x87766431}, /*Reg838*/
};
static const struct cca_ccut cca_ifem_ccut_ext = {
{0x75da8010, 0x75da8010, 0x75da8010, 0x75da8010}, /*Reg82C*/
{0x79a0eaaa, 0x97A0EAAC, 0x79a0eaaa, 0x79a0eaaa}, /*Reg830*/
{0x87765541, 0x86666341, 0x87765561, 0x86666361}, /*Reg838*/
};
static void rtw8822b_get_cca_val(const struct cca_ccut *cca_ccut, u8 col,
u32 *reg82c, u32 *reg830, u32 *reg838)
{
*reg82c = cca_ccut->reg82c[col];
*reg830 = cca_ccut->reg830[col];
*reg838 = cca_ccut->reg838[col];
}
struct rtw8822b_rfe_info {
const struct cca_ccut *cca_ccut_2g;
const struct cca_ccut *cca_ccut_5g;
enum rtw_rfe_fem fem;
bool ifem_ext;
void (*rtw_set_channel_rfe)(struct rtw_dev *rtwdev, u8 channel);
};
#define I2GE5G_CCUT(set_ch) { \
.cca_ccut_2g = &cca_ifem_ccut, \
.cca_ccut_5g = &cca_efem_ccut, \
.fem = RTW_RFE_IFEM2G_EFEM5G, \
.ifem_ext = false, \
.rtw_set_channel_rfe = &rtw8822b_set_channel_rfe_ ## set_ch, \
}
#define IFEM_EXT_CCUT(set_ch) { \
.cca_ccut_2g = &cca_ifem_ccut_ext, \
.cca_ccut_5g = &cca_ifem_ccut_ext, \
.fem = RTW_RFE_IFEM, \
.ifem_ext = true, \
.rtw_set_channel_rfe = &rtw8822b_set_channel_rfe_ ## set_ch, \
}
static const struct rtw8822b_rfe_info rtw8822b_rfe_info[] = {
[2] = I2GE5G_CCUT(efem),
[3] = IFEM_EXT_CCUT(ifem),
[5] = IFEM_EXT_CCUT(ifem),
};
static void rtw8822b_set_channel_cca(struct rtw_dev *rtwdev, u8 channel, u8 bw,
const struct rtw8822b_rfe_info *rfe_info)
{
struct rtw_hal *hal = &rtwdev->hal;
struct rtw_efuse *efuse = &rtwdev->efuse;
const struct cca_ccut *cca_ccut;
u8 col;
u32 reg82c, reg830, reg838;
bool is_efem_cca = false, is_ifem_cca = false, is_rfe_type = false;
if (IS_CH_2G_BAND(channel)) {
cca_ccut = rfe_info->cca_ccut_2g;
if (hal->antenna_rx == BB_PATH_A ||
hal->antenna_rx == BB_PATH_B)
col = CCUT_IDX_1R_2G;
else
col = CCUT_IDX_2R_2G;
} else {
cca_ccut = rfe_info->cca_ccut_5g;
if (hal->antenna_rx == BB_PATH_A ||
hal->antenna_rx == BB_PATH_B)
col = CCUT_IDX_1R_5G;
else
col = CCUT_IDX_2R_5G;
}
rtw8822b_get_cca_val(cca_ccut, col, ®82c, ®830, ®838);
switch (rfe_info->fem) {
case RTW_RFE_IFEM:
default:
is_ifem_cca = true;
if (rfe_info->ifem_ext)
is_rfe_type = true;
break;
case RTW_RFE_EFEM:
is_efem_cca = true;
break;
case RTW_RFE_IFEM2G_EFEM5G:
if (IS_CH_2G_BAND(channel))
is_ifem_cca = true;
else
is_efem_cca = true;
break;
}
if (is_ifem_cca) {
if ((hal->cut_version == RTW_CHIP_VER_CUT_B &&
(col == CCUT_IDX_2R_2G || col == CCUT_IDX_2R_5G) &&
bw == RTW_CHANNEL_WIDTH_40) ||
(!is_rfe_type && col == CCUT_IDX_2R_5G &&
bw == RTW_CHANNEL_WIDTH_40) ||
(efuse->rfe_option == 5 && col == CCUT_IDX_2R_5G))
reg830 = 0x79a0ea28;
}
rtw_write32_mask(rtwdev, REG_CCASEL, MASKDWORD, reg82c);
rtw_write32_mask(rtwdev, REG_PDMFTH, MASKDWORD, reg830);
rtw_write32_mask(rtwdev, REG_CCA2ND, MASKDWORD, reg838);
if (is_efem_cca && !(hal->cut_version == RTW_CHIP_VER_CUT_B))
rtw_write32_mask(rtwdev, REG_L1WT, MASKDWORD, 0x9194b2b9);
if (bw == RTW_CHANNEL_WIDTH_20 && IS_CH_5G_BAND_MID(channel))
rtw_write32_mask(rtwdev, REG_CCA2ND, 0xf0, 0x4);
}
static const u8 low_band[15] = {0x7, 0x6, 0x6, 0x5, 0x0, 0x0, 0x7, 0xff, 0x6,
0x5, 0x0, 0x0, 0x7, 0x6, 0x6};
static const u8 middle_band[23] = {0x6, 0x5, 0x0, 0x0, 0x7, 0x6, 0x6, 0xff, 0x0,
0x0, 0x7, 0x6, 0x6, 0x5, 0x0, 0xff, 0x7, 0x6,
0x6, 0x5, 0x0, 0x0, 0x7};
static const u8 high_band[15] = {0x5, 0x5, 0x0, 0x7, 0x7, 0x6, 0x5, 0xff, 0x0,
0x7, 0x7, 0x6, 0x5, 0x5, 0x0};
static void rtw8822b_set_channel_rf(struct rtw_dev *rtwdev, u8 channel, u8 bw)
{
#define RF18_BAND_MASK (BIT(16) | BIT(9) | BIT(8))
#define RF18_BAND_2G (0)
#define RF18_BAND_5G (BIT(16) | BIT(8))
#define RF18_CHANNEL_MASK (MASKBYTE0)
#define RF18_RFSI_MASK (BIT(18) | BIT(17))
#define RF18_RFSI_GE_CH80 (BIT(17))
#define RF18_RFSI_GT_CH144 (BIT(18))
#define RF18_BW_MASK (BIT(11) | BIT(10))
#define RF18_BW_20M (BIT(11) | BIT(10))
#define RF18_BW_40M (BIT(11))
#define RF18_BW_80M (BIT(10))
#define RFBE_MASK (BIT(17) | BIT(16) | BIT(15))
struct rtw_hal *hal = &rtwdev->hal;
u32 rf_reg18, rf_reg_be;
rf_reg18 = rtw_read_rf(rtwdev, RF_PATH_A, 0x18, RFREG_MASK);
rf_reg18 &= ~(RF18_BAND_MASK | RF18_CHANNEL_MASK | RF18_RFSI_MASK |
RF18_BW_MASK);
rf_reg18 |= (IS_CH_2G_BAND(channel) ? RF18_BAND_2G : RF18_BAND_5G);
rf_reg18 |= (channel & RF18_CHANNEL_MASK);
if (channel > 144)
rf_reg18 |= RF18_RFSI_GT_CH144;
else if (channel >= 80)
rf_reg18 |= RF18_RFSI_GE_CH80;
switch (bw) {
case RTW_CHANNEL_WIDTH_5:
case RTW_CHANNEL_WIDTH_10:
case RTW_CHANNEL_WIDTH_20:
default:
rf_reg18 |= RF18_BW_20M;
break;
case RTW_CHANNEL_WIDTH_40:
rf_reg18 |= RF18_BW_40M;
break;
case RTW_CHANNEL_WIDTH_80:
rf_reg18 |= RF18_BW_80M;
break;
}
if (IS_CH_2G_BAND(channel))
rf_reg_be = 0x0;
else if (IS_CH_5G_BAND_1(channel) || IS_CH_5G_BAND_2(channel))
rf_reg_be = low_band[(channel - 36) >> 1];
else if (IS_CH_5G_BAND_3(channel))
rf_reg_be = middle_band[(channel - 100) >> 1];
else if (IS_CH_5G_BAND_4(channel))
rf_reg_be = high_band[(channel - 149) >> 1];
else
goto err;
rtw_write_rf(rtwdev, RF_PATH_A, RF_MALSEL, RFBE_MASK, rf_reg_be);
/* need to set 0xdf[18]=1 before writing RF18 when channel 144 */
if (channel == 144)
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTDBG, BIT(18), 0x1);
else
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTDBG, BIT(18), 0x0);
rtw_write_rf(rtwdev, RF_PATH_A, 0x18, RFREG_MASK, rf_reg18);
if (hal->rf_type > RF_1T1R)
rtw_write_rf(rtwdev, RF_PATH_B, 0x18, RFREG_MASK, rf_reg18);
rtw_write_rf(rtwdev, RF_PATH_A, RF_XTALX2, BIT(19), 0);
rtw_write_rf(rtwdev, RF_PATH_A, RF_XTALX2, BIT(19), 1);
return;
err:
WARN_ON(1);
}
static void rtw8822b_toggle_igi(struct rtw_dev *rtwdev)
{
struct rtw_hal *hal = &rtwdev->hal;
u32 igi;
igi = rtw_read32_mask(rtwdev, REG_RXIGI_A, 0x7f);
rtw_write32_mask(rtwdev, REG_RXIGI_A, 0x7f, igi - 2);
rtw_write32_mask(rtwdev, REG_RXIGI_A, 0x7f, igi);
rtw_write32_mask(rtwdev, REG_RXIGI_B, 0x7f, igi - 2);
rtw_write32_mask(rtwdev, REG_RXIGI_B, 0x7f, igi);
rtw_write32_mask(rtwdev, REG_RXPSEL, MASKBYTE0, 0x0);
rtw_write32_mask(rtwdev, REG_RXPSEL, MASKBYTE0,
hal->antenna_rx | (hal->antenna_rx << 4));
}
static void rtw8822b_set_channel_rxdfir(struct rtw_dev *rtwdev, u8 bw)
{
if (bw == RTW_CHANNEL_WIDTH_40) {
/* RX DFIR for BW40 */
rtw_write32_mask(rtwdev, REG_ACBB0, BIT(29) | BIT(28), 0x1);
rtw_write32_mask(rtwdev, REG_ACBBRXFIR, BIT(29) | BIT(28), 0x0);
rtw_write32s_mask(rtwdev, REG_TXDFIR, BIT(31), 0x0);
} else if (bw == RTW_CHANNEL_WIDTH_80) {
/* RX DFIR for BW80 */
rtw_write32_mask(rtwdev, REG_ACBB0, BIT(29) | BIT(28), 0x2);
rtw_write32_mask(rtwdev, REG_ACBBRXFIR, BIT(29) | BIT(28), 0x1);
rtw_write32s_mask(rtwdev, REG_TXDFIR, BIT(31), 0x0);
} else {
/* RX DFIR for BW20, BW10 and BW5*/
rtw_write32_mask(rtwdev, REG_ACBB0, BIT(29) | BIT(28), 0x2);
rtw_write32_mask(rtwdev, REG_ACBBRXFIR, BIT(29) | BIT(28), 0x2);
rtw_write32s_mask(rtwdev, REG_TXDFIR, BIT(31), 0x1);
}
}
static void rtw8822b_set_channel_bb(struct rtw_dev *rtwdev, u8 channel, u8 bw,
u8 primary_ch_idx)
{
struct rtw_efuse *efuse = &rtwdev->efuse;
u8 rfe_option = efuse->rfe_option;
u32 val32;
if (IS_CH_2G_BAND(channel)) {
rtw_write32_mask(rtwdev, REG_RXPSEL, BIT(28), 0x1);
rtw_write32_mask(rtwdev, REG_CCK_CHECK, BIT(7), 0x0);
rtw_write32_mask(rtwdev, REG_ENTXCCK, BIT(18), 0x0);
rtw_write32_mask(rtwdev, REG_RXCCAMSK, 0x0000FC00, 15);
rtw_write32_mask(rtwdev, REG_ACGG2TBL, 0x1f, 0x0);
rtw_write32_mask(rtwdev, REG_CLKTRK, 0x1ffe0000, 0x96a);
if (channel == 14) {
rtw_write32_mask(rtwdev, REG_TXSF2, MASKDWORD, 0x00006577);
rtw_write32_mask(rtwdev, REG_TXSF6, MASKLWORD, 0x0000);
} else {
rtw_write32_mask(rtwdev, REG_TXSF2, MASKDWORD, 0x384f6577);
rtw_write32_mask(rtwdev, REG_TXSF6, MASKLWORD, 0x1525);
}
rtw_write32_mask(rtwdev, REG_RFEINV, 0x300, 0x2);
} else if (IS_CH_5G_BAND(channel)) {
rtw_write32_mask(rtwdev, REG_ENTXCCK, BIT(18), 0x1);
rtw_write32_mask(rtwdev, REG_CCK_CHECK, BIT(7), 0x1);
rtw_write32_mask(rtwdev, REG_RXPSEL, BIT(28), 0x0);
rtw_write32_mask(rtwdev, REG_RXCCAMSK, 0x0000FC00, 34);
if (IS_CH_5G_BAND_1(channel) || IS_CH_5G_BAND_2(channel))
rtw_write32_mask(rtwdev, REG_ACGG2TBL, 0x1f, 0x1);
else if (IS_CH_5G_BAND_3(channel))
rtw_write32_mask(rtwdev, REG_ACGG2TBL, 0x1f, 0x2);
else if (IS_CH_5G_BAND_4(channel))
rtw_write32_mask(rtwdev, REG_ACGG2TBL, 0x1f, 0x3);
if (IS_CH_5G_BAND_1(channel))
rtw_write32_mask(rtwdev, REG_CLKTRK, 0x1ffe0000, 0x494);
else if (IS_CH_5G_BAND_2(channel))
rtw_write32_mask(rtwdev, REG_CLKTRK, 0x1ffe0000, 0x453);
else if (channel >= 100 && channel <= 116)
rtw_write32_mask(rtwdev, REG_CLKTRK, 0x1ffe0000, 0x452);
else if (channel >= 118 && channel <= 177)
rtw_write32_mask(rtwdev, REG_CLKTRK, 0x1ffe0000, 0x412);
rtw_write32_mask(rtwdev, 0xcbc, 0x300, 0x1);
}
switch (bw) {
case RTW_CHANNEL_WIDTH_20:
default:
val32 = rtw_read32_mask(rtwdev, REG_ADCCLK, MASKDWORD);
val32 &= 0xFFCFFC00;
val32 |= (RTW_CHANNEL_WIDTH_20);
rtw_write32_mask(rtwdev, REG_ADCCLK, MASKDWORD, val32);
rtw_write32_mask(rtwdev, REG_ADC160, BIT(30), 0x1);
break;
case RTW_CHANNEL_WIDTH_40:
if (primary_ch_idx == RTW_SC_20_UPPER)
rtw_write32_set(rtwdev, REG_RXSB, BIT(4));
else
rtw_write32_clr(rtwdev, REG_RXSB, BIT(4));
val32 = rtw_read32_mask(rtwdev, REG_ADCCLK, MASKDWORD);
val32 &= 0xFF3FF300;
val32 |= (((primary_ch_idx & 0xf) << 2) | RTW_CHANNEL_WIDTH_40);
rtw_write32_mask(rtwdev, REG_ADCCLK, MASKDWORD, val32);
rtw_write32_mask(rtwdev, REG_ADC160, BIT(30), 0x1);
break;
case RTW_CHANNEL_WIDTH_80:
val32 = rtw_read32_mask(rtwdev, REG_ADCCLK, MASKDWORD);
val32 &= 0xFCEFCF00;
val32 |= (((primary_ch_idx & 0xf) << 2) | RTW_CHANNEL_WIDTH_80);
rtw_write32_mask(rtwdev, REG_ADCCLK, MASKDWORD, val32);
rtw_write32_mask(rtwdev, REG_ADC160, BIT(30), 0x1);
if (rfe_option == 2 || rfe_option == 3) {
rtw_write32_mask(rtwdev, REG_L1PKWT, 0x0000f000, 0x6);
rtw_write32_mask(rtwdev, REG_ADC40, BIT(10), 0x1);
}
break;
case RTW_CHANNEL_WIDTH_5:
val32 = rtw_read32_mask(rtwdev, REG_ADCCLK, MASKDWORD);
val32 &= 0xEFEEFE00;
val32 |= ((BIT(6) | RTW_CHANNEL_WIDTH_20));
rtw_write32_mask(rtwdev, REG_ADCCLK, MASKDWORD, val32);
rtw_write32_mask(rtwdev, REG_ADC160, BIT(30), 0x0);
rtw_write32_mask(rtwdev, REG_ADC40, BIT(31), 0x1);
break;
case RTW_CHANNEL_WIDTH_10:
val32 = rtw_read32_mask(rtwdev, REG_ADCCLK, MASKDWORD);
val32 &= 0xEFFEFF00;
val32 |= ((BIT(7) | RTW_CHANNEL_WIDTH_20));
rtw_write32_mask(rtwdev, REG_ADCCLK, MASKDWORD, val32);
rtw_write32_mask(rtwdev, REG_ADC160, BIT(30), 0x0);
rtw_write32_mask(rtwdev, REG_ADC40, BIT(31), 0x1);
break;
}
}
static void rtw8822b_set_channel(struct rtw_dev *rtwdev, u8 channel, u8 bw,
u8 primary_chan_idx)
{
struct rtw_efuse *efuse = &rtwdev->efuse;
const struct rtw8822b_rfe_info *rfe_info;
if (WARN(efuse->rfe_option >= ARRAY_SIZE(rtw8822b_rfe_info),
"rfe_option %d is out of boundary\n", efuse->rfe_option))
return;
rfe_info = &rtw8822b_rfe_info[efuse->rfe_option];
rtw8822b_set_channel_bb(rtwdev, channel, bw, primary_chan_idx);
rtw_set_channel_mac(rtwdev, channel, bw, primary_chan_idx);
rtw8822b_set_channel_rf(rtwdev, channel, bw);
rtw8822b_set_channel_rxdfir(rtwdev, bw);
rtw8822b_toggle_igi(rtwdev);
rtw8822b_set_channel_cca(rtwdev, channel, bw, rfe_info);
(*rfe_info->rtw_set_channel_rfe)(rtwdev, channel);
}
static void rtw8822b_config_trx_mode(struct rtw_dev *rtwdev, u8 tx_path,
u8 rx_path, bool is_tx2_path)
{
struct rtw_efuse *efuse = &rtwdev->efuse;
const struct rtw8822b_rfe_info *rfe_info;
u8 ch = rtwdev->hal.current_channel;
u8 tx_path_sel, rx_path_sel;
int counter;
if (WARN(efuse->rfe_option >= ARRAY_SIZE(rtw8822b_rfe_info),
"rfe_option %d is out of boundary\n", efuse->rfe_option))
return;
rfe_info = &rtw8822b_rfe_info[efuse->rfe_option];
if ((tx_path | rx_path) & BB_PATH_A)
rtw_write32_mask(rtwdev, REG_AGCTR_A, MASKLWORD, 0x3231);
else
rtw_write32_mask(rtwdev, REG_AGCTR_A, MASKLWORD, 0x1111);
if ((tx_path | rx_path) & BB_PATH_B)
rtw_write32_mask(rtwdev, REG_AGCTR_B, MASKLWORD, 0x3231);
else
rtw_write32_mask(rtwdev, REG_AGCTR_B, MASKLWORD, 0x1111);
rtw_write32_mask(rtwdev, REG_CDDTXP, (BIT(19) | BIT(18)), 0x3);
rtw_write32_mask(rtwdev, REG_TXPSEL, (BIT(29) | BIT(28)), 0x1);
rtw_write32_mask(rtwdev, REG_TXPSEL, BIT(30), 0x1);
if (tx_path & BB_PATH_A) {
rtw_write32_mask(rtwdev, REG_CDDTXP, 0xfff00000, 0x001);
rtw_write32_mask(rtwdev, REG_ADCINI, 0xf0000000, 0x8);
} else if (tx_path & BB_PATH_B) {
rtw_write32_mask(rtwdev, REG_CDDTXP, 0xfff00000, 0x002);
rtw_write32_mask(rtwdev, REG_ADCINI, 0xf0000000, 0x4);
}
if (tx_path == BB_PATH_A || tx_path == BB_PATH_B)
rtw_write32_mask(rtwdev, REG_TXPSEL1, 0xfff0, 0x01);
else
rtw_write32_mask(rtwdev, REG_TXPSEL1, 0xfff0, 0x43);
tx_path_sel = (tx_path << 4) | tx_path;
rtw_write32_mask(rtwdev, REG_TXPSEL, MASKBYTE0, tx_path_sel);
if (tx_path != BB_PATH_A && tx_path != BB_PATH_B) {
if (is_tx2_path || rtwdev->mp_mode) {
rtw_write32_mask(rtwdev, REG_CDDTXP, 0xfff00000, 0x043);
rtw_write32_mask(rtwdev, REG_ADCINI, 0xf0000000, 0xc);
}
}
rtw_write32_mask(rtwdev, REG_RXDESC, BIT(22), 0x0);
rtw_write32_mask(rtwdev, REG_RXDESC, BIT(18), 0x0);
if (rx_path & BB_PATH_A)
rtw_write32_mask(rtwdev, REG_ADCINI, 0x0f000000, 0x0);
else if (rx_path & BB_PATH_B)
rtw_write32_mask(rtwdev, REG_ADCINI, 0x0f000000, 0x5);
rx_path_sel = (rx_path << 4) | rx_path;
rtw_write32_mask(rtwdev, REG_RXPSEL, MASKBYTE0, rx_path_sel);
if (rx_path == BB_PATH_A || rx_path == BB_PATH_B) {
rtw_write32_mask(rtwdev, REG_ANTWT, BIT(16), 0x0);
rtw_write32_mask(rtwdev, REG_HTSTFWT, BIT(28), 0x0);
rtw_write32_mask(rtwdev, REG_MRC, BIT(23), 0x0);
} else {
rtw_write32_mask(rtwdev, REG_ANTWT, BIT(16), 0x1);
rtw_write32_mask(rtwdev, REG_HTSTFWT, BIT(28), 0x1);
rtw_write32_mask(rtwdev, REG_MRC, BIT(23), 0x1);
}
for (counter = 100; counter > 0; counter--) {
u32 rf_reg33;
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x80000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x00001);
udelay(2);
rf_reg33 = rtw_read_rf(rtwdev, RF_PATH_A, 0x33, RFREG_MASK);
if (rf_reg33 == 0x00001)
break;
}
if (WARN(counter <= 0, "write RF mode table fail\n"))
return;
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x80000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x00001);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD1, RFREG_MASK, 0x00034);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0x4080c);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x00000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x00000);
rtw8822b_toggle_igi(rtwdev);
rtw8822b_set_channel_cca(rtwdev, 1, RTW_CHANNEL_WIDTH_20, rfe_info);
(*rfe_info->rtw_set_channel_rfe)(rtwdev, ch);
}
static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status,
struct rtw_rx_pkt_stat *pkt_stat)
{
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
s8 min_rx_power = -120;
u8 pwdb = GET_PHY_STAT_P0_PWDB(phy_status);
/* 8822B uses only 1 antenna to RX CCK rates */
pkt_stat->rx_power[RF_PATH_A] = pwdb - 110;
pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
pkt_stat->bw = RTW_CHANNEL_WIDTH_20;
pkt_stat->signal_power = max(pkt_stat->rx_power[RF_PATH_A],
min_rx_power);
dm_info->rssi[RF_PATH_A] = pkt_stat->rssi;
}
static void query_phy_status_page1(struct rtw_dev *rtwdev, u8 *phy_status,
struct rtw_rx_pkt_stat *pkt_stat)
{
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
u8 rxsc, bw;
s8 min_rx_power = -120;
s8 rx_evm;
u8 evm_dbm = 0;
u8 rssi;
int path;
if (pkt_stat->rate > DESC_RATE11M && pkt_stat->rate < DESC_RATEMCS0)
rxsc = GET_PHY_STAT_P1_L_RXSC(phy_status);
else
rxsc = GET_PHY_STAT_P1_HT_RXSC(phy_status);
if (rxsc >= 1 && rxsc <= 8)
bw = RTW_CHANNEL_WIDTH_20;
else if (rxsc >= 9 && rxsc <= 12)
bw = RTW_CHANNEL_WIDTH_40;
else if (rxsc >= 13)
bw = RTW_CHANNEL_WIDTH_80;
else
bw = GET_PHY_STAT_P1_RF_MODE(phy_status);
pkt_stat->rx_power[RF_PATH_A] = GET_PHY_STAT_P1_PWDB_A(phy_status) - 110;
pkt_stat->rx_power[RF_PATH_B] = GET_PHY_STAT_P1_PWDB_B(phy_status) - 110;
pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 2);
pkt_stat->bw = bw;
pkt_stat->signal_power = max3(pkt_stat->rx_power[RF_PATH_A],
pkt_stat->rx_power[RF_PATH_B],
min_rx_power);
dm_info->curr_rx_rate = pkt_stat->rate;
pkt_stat->rx_evm[RF_PATH_A] = GET_PHY_STAT_P1_RXEVM_A(phy_status);
pkt_stat->rx_evm[RF_PATH_B] = GET_PHY_STAT_P1_RXEVM_B(phy_status);
pkt_stat->rx_snr[RF_PATH_A] = GET_PHY_STAT_P1_RXSNR_A(phy_status);
pkt_stat->rx_snr[RF_PATH_B] = GET_PHY_STAT_P1_RXSNR_B(phy_status);
pkt_stat->cfo_tail[RF_PATH_A] = GET_PHY_STAT_P1_CFO_TAIL_A(phy_status);
pkt_stat->cfo_tail[RF_PATH_B] = GET_PHY_STAT_P1_CFO_TAIL_B(phy_status);
for (path = 0; path <= rtwdev->hal.rf_path_num; path++) {
rssi = rtw_phy_rf_power_2_rssi(&pkt_stat->rx_power[path], 1);
dm_info->rssi[path] = rssi;
dm_info->rx_snr[path] = pkt_stat->rx_snr[path] >> 1;
dm_info->cfo_tail[path] = (pkt_stat->cfo_tail[path] * 5) >> 1;
rx_evm = pkt_stat->rx_evm[path];
if (rx_evm < 0) {
if (rx_evm == S8_MIN)
evm_dbm = 0;
else
evm_dbm = ((u8)-rx_evm >> 1);
}
dm_info->rx_evm_dbm[path] = evm_dbm;
}
}
static void query_phy_status(struct rtw_dev *rtwdev, u8 *phy_status,
struct rtw_rx_pkt_stat *pkt_stat)
{
u8 page;
page = *phy_status & 0xf;
switch (page) {
case 0:
query_phy_status_page0(rtwdev, phy_status, pkt_stat);
break;
case 1:
query_phy_status_page1(rtwdev, phy_status, pkt_stat);
break;
default:
rtw_warn(rtwdev, "unused phy status page (%d)\n", page);
return;
}
}
static void rtw8822b_query_rx_desc(struct rtw_dev *rtwdev, u8 *rx_desc,
struct rtw_rx_pkt_stat *pkt_stat,
struct ieee80211_rx_status *rx_status)
{
struct ieee80211_hdr *hdr;
u32 desc_sz = rtwdev->chip->rx_pkt_desc_sz;
u8 *phy_status = NULL;
memset(pkt_stat, 0, sizeof(*pkt_stat));
pkt_stat->phy_status = GET_RX_DESC_PHYST(rx_desc);
pkt_stat->icv_err = GET_RX_DESC_ICV_ERR(rx_desc);
pkt_stat->crc_err = GET_RX_DESC_CRC32(rx_desc);
pkt_stat->decrypted = !GET_RX_DESC_SWDEC(rx_desc) &&
GET_RX_DESC_ENC_TYPE(rx_desc) != RX_DESC_ENC_NONE;
pkt_stat->is_c2h = GET_RX_DESC_C2H(rx_desc);
pkt_stat->pkt_len = GET_RX_DESC_PKT_LEN(rx_desc);
pkt_stat->drv_info_sz = GET_RX_DESC_DRV_INFO_SIZE(rx_desc);
pkt_stat->shift = GET_RX_DESC_SHIFT(rx_desc);
pkt_stat->rate = GET_RX_DESC_RX_RATE(rx_desc);
pkt_stat->cam_id = GET_RX_DESC_MACID(rx_desc);
pkt_stat->ppdu_cnt = GET_RX_DESC_PPDU_CNT(rx_desc);
pkt_stat->tsf_low = GET_RX_DESC_TSFL(rx_desc);
/* drv_info_sz is in unit of 8-bytes */
pkt_stat->drv_info_sz *= 8;
/* c2h cmd pkt's rx/phy status is not interested */
if (pkt_stat->is_c2h)
return;
hdr = (struct ieee80211_hdr *)(rx_desc + desc_sz + pkt_stat->shift +
pkt_stat->drv_info_sz);
if (pkt_stat->phy_status) {
phy_status = rx_desc + desc_sz + pkt_stat->shift;
query_phy_status(rtwdev, phy_status, pkt_stat);
}
rtw_rx_fill_rx_status(rtwdev, pkt_stat, hdr, rx_status, phy_status);
}
static void
rtw8822b_set_tx_power_index_by_rate(struct rtw_dev *rtwdev, u8 path, u8 rs)
{
struct rtw_hal *hal = &rtwdev->hal;
static const u32 offset_txagc[2] = {0x1d00, 0x1d80};
static u32 phy_pwr_idx;
u8 rate, rate_idx, pwr_index, shift;
int j;
for (j = 0; j < rtw_rate_size[rs]; j++) {
rate = rtw_rate_section[rs][j];
pwr_index = hal->tx_pwr_tbl[path][rate];
shift = rate & 0x3;
phy_pwr_idx |= ((u32)pwr_index << (shift * 8));
if (shift == 0x3) {
rate_idx = rate & 0xfc;
rtw_write32(rtwdev, offset_txagc[path] + rate_idx,
phy_pwr_idx);
phy_pwr_idx = 0;
}
}
}
static void rtw8822b_set_tx_power_index(struct rtw_dev *rtwdev)