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rtw8821a.c
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rtw8821a.c
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2024 Realtek Corporation
*/
#include "main.h"
#include "coex.h"
#include "phy.h"
#include "reg.h"
#include "rtw88xxa.h"
#include "rtw8821a.h"
#include "rtw8821a_table.h"
#include "tx.h"
static void rtw8821a_power_off(struct rtw_dev *rtwdev)
{
rtw88xxa_power_off(rtwdev, enter_lps_flow_8821a);
}
static s8 rtw8821a_cck_rx_pwr(u8 lna_idx, u8 vga_idx)
{
static const s8 lna_gain_table[] = {15, -1, -17, 0, -30, -38};
s8 rx_pwr_all = 0;
s8 lna_gain;
switch (lna_idx) {
case 5:
case 4:
case 2:
case 1:
case 0:
lna_gain = lna_gain_table[lna_idx];
rx_pwr_all = lna_gain - 2 * vga_idx;
break;
default:
break;
}
return rx_pwr_all;
}
static void rtw8821a_query_phy_status(struct rtw_dev *rtwdev, u8 *phy_status,
struct rtw_rx_pkt_stat *pkt_stat)
{
rtw88xxa_query_phy_status(rtwdev, phy_status, pkt_stat,
rtw8821a_cck_rx_pwr);
}
static void rtw8821a_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
{
}
static void rtw8821a_set_ampdu_factor(struct rtw_dev *rtwdev, u8 factor)
{
u32 len;
factor = min_t(u8, factor, IEEE80211_VHT_MAX_AMPDU_64K);
len = BIT(31) | ((8192 << factor) - 1);
rtw_write32(rtwdev, REG_AMPDU_MAX_LENGTH, len);
}
#define CAL_NUM_8821A 3
#define MACBB_REG_NUM_8821A 8
#define AFE_REG_NUM_8821A 4
#define RF_REG_NUM_8821A 3
static void rtw8821a_iqk_backup_rf(struct rtw_dev *rtwdev, u32 *rfa_backup,
const u32 *backup_rf_reg, u32 rf_num)
{
u32 i;
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
/* Save RF Parameters */
for (i = 0; i < rf_num; i++)
rfa_backup[i] = rtw_read_rf(rtwdev, RF_PATH_A,
backup_rf_reg[i], MASKDWORD);
}
static void rtw8821a_iqk_restore_rf(struct rtw_dev *rtwdev,
const u32 *backup_rf_reg,
u32 *RF_backup, u32 rf_reg_num)
{
u32 i;
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
for (i = 0; i < rf_reg_num; i++)
rtw_write_rf(rtwdev, RF_PATH_A, backup_rf_reg[i],
RFREG_MASK, RF_backup[i]);
}
static void rtw8821a_iqk_restore_afe(struct rtw_dev *rtwdev, u32 *afe_backup,
const u32 *backup_afe_reg, u32 afe_num)
{
u32 i;
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
/* Reload AFE Parameters */
for (i = 0; i < afe_num; i++)
rtw_write32(rtwdev, backup_afe_reg[i], afe_backup[i]);
/* [31] = 1 --> Page C1 */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x1);
rtw_write32(rtwdev, REG_OFDM0_XA_TX_IQ_IMBALANCE, 0x0);
rtw_write32(rtwdev, REG_OFDM0_A_TX_AFE, 0x0);
rtw_write32(rtwdev, REG_OFDM0_XB_TX_IQ_IMBALANCE, 0x0);
rtw_write32(rtwdev, REG_TSSI_TRK_SW, 0x3c000000);
rtw_write32(rtwdev, REG_LSSI_WRITE_A, 0x00000080);
rtw_write32(rtwdev, REG_TXAGCIDX, 0x00000000);
rtw_write32(rtwdev, REG_IQK_DPD_CFG, 0x20040000);
rtw_write32(rtwdev, REG_CFG_PMPD, 0x20000000);
rtw_write32(rtwdev, REG_RFECTL_A, 0x0);
}
static void rtw8821a_iqk_rx_fill(struct rtw_dev *rtwdev,
unsigned int rx_x, unsigned int rx_y)
{
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
rtw_write32_mask(rtwdev, REG_RX_IQC_AB_A,
0x000003ff, rx_x >> 1);
rtw_write32_mask(rtwdev, REG_RX_IQC_AB_A,
0x03ff0000, (rx_y >> 1) & 0x3ff);
}
static void rtw8821a_iqk_tx_fill(struct rtw_dev *rtwdev,
unsigned int tx_x, unsigned int tx_y)
{
/* [31] = 1 --> Page C1 */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x1);
rtw_write32(rtwdev, REG_LSSI_WRITE_A, 0x00000080);
rtw_write32(rtwdev, REG_IQK_DPD_CFG, 0x20040000);
rtw_write32(rtwdev, REG_CFG_PMPD, 0x20000000);
rtw_write32_mask(rtwdev, REG_IQC_Y, 0x000007ff, tx_y);
rtw_write32_mask(rtwdev, REG_IQC_X, 0x000007ff, tx_x);
}
static void rtw8821a_iqk_tx_vdf_true(struct rtw_dev *rtwdev, u32 cal,
bool *tx0iqkok,
int tx_x0[CAL_NUM_8821A],
int tx_y0[CAL_NUM_8821A])
{
u32 cal_retry, delay_count, iqk_ready, tx_fail;
int tx_dt[3], vdf_y[3], vdf_x[3];
int k;
for (k = 0; k < 3; k++) {
switch (k) {
case 0:
/* TX_Tone_idx[9:0], TxK_Mask[29] TX_Tone = 16 */
rtw_write32(rtwdev, REG_OFDM0_XA_TX_IQ_IMBALANCE,
0x18008c38);
/* RX_Tone_idx[9:0], RxK_Mask[29] */
rtw_write32(rtwdev, REG_OFDM0_A_TX_AFE, 0x38008c38);
rtw_write32_mask(rtwdev, REG_INTPO_SETA, BIT(31), 0x0);
break;
case 1:
rtw_write32_mask(rtwdev, REG_OFDM0_XA_TX_IQ_IMBALANCE,
BIT(28), 0x0);
rtw_write32_mask(rtwdev, REG_OFDM0_A_TX_AFE,
BIT(28), 0x0);
rtw_write32_mask(rtwdev, REG_INTPO_SETA, BIT(31), 0x0);
break;
case 2:
rtw_dbg(rtwdev, RTW_DBG_RFK,
"vdf_y[1] = %x vdf_y[0] = %x\n",
vdf_y[1] >> 21 & 0x00007ff,
vdf_y[0] >> 21 & 0x00007ff);
rtw_dbg(rtwdev, RTW_DBG_RFK,
"vdf_x[1] = %x vdf_x[0] = %x\n",
vdf_x[1] >> 21 & 0x00007ff,
vdf_x[0] >> 21 & 0x00007ff);
tx_dt[cal] = (vdf_y[1] >> 20) - (vdf_y[0] >> 20);
tx_dt[cal] = (16 * tx_dt[cal]) * 10000 / 15708;
tx_dt[cal] = (tx_dt[cal] >> 1) + (tx_dt[cal] & BIT(0));
/* TX_Tone_idx[9:0], TxK_Mask[29] TX_Tone = 16 */
rtw_write32(rtwdev, REG_OFDM0_XA_TX_IQ_IMBALANCE,
0x18008c20);
/* RX_Tone_idx[9:0], RxK_Mask[29] */
rtw_write32(rtwdev, REG_OFDM0_A_TX_AFE, 0x38008c20);
rtw_write32_mask(rtwdev, REG_INTPO_SETA, BIT(31), 0x1);
rtw_write32_mask(rtwdev, REG_INTPO_SETA, 0x3fff0000,
tx_dt[cal] & 0x00003fff);
break;
}
rtw_write32(rtwdev, REG_RFECTL_A, 0x00100000);
for (cal_retry = 0; cal_retry < 10; cal_retry++) {
/* one shot */
rtw_write32(rtwdev, REG_IQK_COM64, 0xfa000000);
rtw_write32(rtwdev, REG_IQK_COM64, 0xf8000000);
mdelay(10);
rtw_write32(rtwdev, REG_RFECTL_A, 0x00000000);
for (delay_count = 0; delay_count < 20; delay_count++) {
iqk_ready = rtw_read32_mask(rtwdev,
REG_IQKA_END,
BIT(10));
/* Originally: if (~iqk_ready || delay_count > 20)
* that looks like a typo so make it more explicit
*/
iqk_ready = true;
if (iqk_ready)
break;
mdelay(1);
}
if (delay_count < 20) {
/* ============TXIQK Check============== */
tx_fail = rtw_read32_mask(rtwdev,
REG_IQKA_END,
BIT(12));
/* Originally: if (~tx_fail) {
* It looks like a typo, so make it more explicit.
*/
tx_fail = false;
if (!tx_fail) {
rtw_write32(rtwdev, REG_RFECTL_A,
0x02000000);
vdf_x[k] = rtw_read32_mask(rtwdev,
REG_IQKA_END,
0x07ff0000);
vdf_x[k] <<= 21;
rtw_write32(rtwdev, REG_RFECTL_A,
0x04000000);
vdf_y[k] = rtw_read32_mask(rtwdev,
REG_IQKA_END,
0x07ff0000);
vdf_y[k] <<= 21;
*tx0iqkok = true;
break;
}
rtw_write32_mask(rtwdev, REG_IQC_Y,
0x000007ff, 0x0);
rtw_write32_mask(rtwdev, REG_IQC_X,
0x000007ff, 0x200);
}
*tx0iqkok = false;
}
}
if (k == 3) {
tx_x0[cal] = vdf_x[k - 1];
tx_y0[cal] = vdf_y[k - 1];
}
}
static void rtw8821a_iqk_tx_vdf_false(struct rtw_dev *rtwdev, u32 cal,
bool *tx0iqkok,
int tx_x0[CAL_NUM_8821A],
int tx_y0[CAL_NUM_8821A])
{
u32 cal_retry, delay_count, iqk_ready, tx_fail;
/* TX_Tone_idx[9:0], TxK_Mask[29] TX_Tone = 16 */
rtw_write32(rtwdev, REG_OFDM0_XA_TX_IQ_IMBALANCE, 0x18008c10);
/* RX_Tone_idx[9:0], RxK_Mask[29] */
rtw_write32(rtwdev, REG_OFDM0_A_TX_AFE, 0x38008c10);
rtw_write32(rtwdev, REG_RFECTL_A, 0x00100000);
for (cal_retry = 0; cal_retry < 10; cal_retry++) {
/* one shot */
rtw_write32(rtwdev, REG_IQK_COM64, 0xfa000000);
rtw_write32(rtwdev, REG_IQK_COM64, 0xf8000000);
mdelay(10);
rtw_write32(rtwdev, REG_RFECTL_A, 0x00000000);
for (delay_count = 0; delay_count < 20; delay_count++) {
iqk_ready = rtw_read32_mask(rtwdev, REG_IQKA_END, BIT(10));
/* Originally: if (~iqk_ready || delay_count > 20)
* that looks like a typo so make it more explicit
*/
iqk_ready = true;
if (iqk_ready)
break;
mdelay(1);
}
if (delay_count < 20) {
/* ============TXIQK Check============== */
tx_fail = rtw_read32_mask(rtwdev, REG_IQKA_END, BIT(12));
/* Originally: if (~tx_fail) {
* It looks like a typo, so make it more explicit.
*/
tx_fail = false;
if (!tx_fail) {
rtw_write32(rtwdev, REG_RFECTL_A, 0x02000000);
tx_x0[cal] = rtw_read32_mask(rtwdev, REG_IQKA_END,
0x07ff0000);
tx_x0[cal] <<= 21;
rtw_write32(rtwdev, REG_RFECTL_A, 0x04000000);
tx_y0[cal] = rtw_read32_mask(rtwdev, REG_IQKA_END,
0x07ff0000);
tx_y0[cal] <<= 21;
*tx0iqkok = true;
break;
}
rtw_write32_mask(rtwdev, REG_IQC_Y, 0x000007ff, 0x0);
rtw_write32_mask(rtwdev, REG_IQC_X, 0x000007ff, 0x200);
}
*tx0iqkok = false;
}
}
static void rtw8821a_iqk_rx(struct rtw_dev *rtwdev, u32 cal, bool *rx0iqkok,
int rx_x0[CAL_NUM_8821A],
int rx_y0[CAL_NUM_8821A])
{
u32 cal_retry, delay_count, iqk_ready, rx_fail;
rtw_write32(rtwdev, REG_RFECTL_A, 0x00100000);
for (cal_retry = 0; cal_retry < 10; cal_retry++) {
/* one shot */
rtw_write32(rtwdev, REG_IQK_COM64, 0xfa000000);
rtw_write32(rtwdev, REG_IQK_COM64, 0xf8000000);
mdelay(10);
rtw_write32(rtwdev, REG_RFECTL_A, 0x00000000);
for (delay_count = 0; delay_count < 20; delay_count++) {
iqk_ready = rtw_read32_mask(rtwdev, REG_IQKA_END, BIT(10));
/* Originally: if (~iqk_ready || delay_count > 20)
* that looks like a typo so make it more explicit
*/
iqk_ready = true;
if (iqk_ready)
break;
mdelay(1);
}
if (delay_count < 20) {
/* ============RXIQK Check============== */
rx_fail = rtw_read32_mask(rtwdev, REG_IQKA_END, BIT(11));
if (!rx_fail) {
rtw_write32(rtwdev, REG_RFECTL_A, 0x06000000);
rx_x0[cal] = rtw_read32_mask(rtwdev, REG_IQKA_END,
0x07ff0000);
rx_x0[cal] <<= 21;
rtw_write32(rtwdev, REG_RFECTL_A, 0x08000000);
rx_y0[cal] = rtw_read32_mask(rtwdev, REG_IQKA_END,
0x07ff0000);
rx_y0[cal] <<= 21;
*rx0iqkok = true;
break;
}
rtw_write32_mask(rtwdev, REG_RX_IQC_AB_A,
0x000003ff, 0x200 >> 1);
rtw_write32_mask(rtwdev, REG_RX_IQC_AB_A,
0x03ff0000, 0x0 >> 1);
}
*rx0iqkok = false;
}
}
static void rtw8821a_iqk(struct rtw_dev *rtwdev)
{
int tx_average = 0, rx_average = 0, rx_iqk_loop = 0;
const struct rtw_efuse *efuse = &rtwdev->efuse;
int tx_x = 0, tx_y = 0, rx_x = 0, rx_y = 0;
const struct rtw_hal *hal = &rtwdev->hal;
bool tx0iqkok = false, rx0iqkok = false;
int rx_x_temp = 0, rx_y_temp = 0;
int rx_x0[2][CAL_NUM_8821A];
int rx_y0[2][CAL_NUM_8821A];
int tx_x0[CAL_NUM_8821A];
int tx_y0[CAL_NUM_8821A];
bool rx_finish1 = false;
bool rx_finish2 = false;
bool vdf_enable;
u32 cal;
int i;
rtw_dbg(rtwdev, RTW_DBG_RFK,
"band_width = %d, ext_pa = %d, ext_pa_5g = %d\n",
hal->current_band_width, efuse->ext_pa_2g, efuse->ext_pa_5g);
vdf_enable = hal->current_band_width == RTW_CHANNEL_WIDTH_80;
for (cal = 0; cal < CAL_NUM_8821A; cal++) {
/* path-A LOK */
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
/* ========path-A AFE all on======== */
/* Port 0 DAC/ADC on */
rtw_write32(rtwdev, REG_AFE_PWR1_A, 0x77777777);
rtw_write32(rtwdev, REG_AFE_PWR2_A, 0x77777777);
rtw_write32(rtwdev, REG_RX_WAIT_CCA_TX_CCK_RFON_A, 0x19791979);
/* hardware 3-wire off */
rtw_write32_mask(rtwdev, REG_3WIRE_SWA, 0xf, 0x4);
/* LOK setting */
/* 1. DAC/ADC sampling rate (160 MHz) */
rtw_write32_mask(rtwdev, REG_CK_MONHA, GENMASK(26, 24), 0x7);
/* 2. LoK RF setting (at BW = 20M) */
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x80002);
rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH, 0x00c00, 0x3);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_ADDR, RFREG_MASK,
0x20000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_DATA0, RFREG_MASK,
0x0003f);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_DATA1, RFREG_MASK,
0xf3fc3);
rtw_write_rf(rtwdev, RF_PATH_A, RF_TXA_PREPAD, RFREG_MASK,
0x931d5);
rtw_write_rf(rtwdev, RF_PATH_A, RF_RXBB2, RFREG_MASK, 0x8a001);
rtw_write32(rtwdev, REG_DAC_RSTB, 0x00008000);
rtw_write32_mask(rtwdev, REG_TXAGCIDX, BIT(0), 0x1);
/* TX (X,Y) */
rtw_write32(rtwdev, REG_IQK_COM00, 0x29002000);
/* RX (X,Y) */
rtw_write32(rtwdev, REG_IQK_COM32, 0xa9002000);
/* [0]:AGC_en, [15]:idac_K_Mask */
rtw_write32(rtwdev, REG_IQK_COM96, 0x00462910);
/* [31] = 1 --> Page C1 */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x1);
if (efuse->ext_pa_5g)
rtw_write32(rtwdev, REG_OFDM0_XB_TX_IQ_IMBALANCE,
0x821403f7);
else
rtw_write32(rtwdev, REG_OFDM0_XB_TX_IQ_IMBALANCE,
0x821403f4);
if (hal->current_band_type == RTW_BAND_5G)
rtw_write32(rtwdev, REG_TSSI_TRK_SW, 0x68163e96);
else
rtw_write32(rtwdev, REG_TSSI_TRK_SW, 0x28163e96);
/* TX_Tone_idx[9:0], TxK_Mask[29] TX_Tone = 16 */
rtw_write32(rtwdev, REG_OFDM0_XA_TX_IQ_IMBALANCE, 0x18008c10);
/* RX_Tone_idx[9:0], RxK_Mask[29] */
rtw_write32(rtwdev, REG_OFDM0_A_TX_AFE, 0x38008c10);
rtw_write32(rtwdev, REG_RFECTL_A, 0x00100000);
rtw_write32(rtwdev, REG_IQK_COM64, 0xfa000000);
rtw_write32(rtwdev, REG_IQK_COM64, 0xf8000000);
mdelay(10);
rtw_write32(rtwdev, REG_RFECTL_A, 0x00000000);
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
rtw_write_rf(rtwdev, RF_PATH_A, RF_TXMOD, 0x7fe00,
rtw_read_rf(rtwdev, RF_PATH_A, RF_DTXLOK, 0xffc00));
if (hal->current_band_width == RTW_CHANNEL_WIDTH_40)
rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH,
RF18_BW_MASK, 0x1);
else if (hal->current_band_width == RTW_CHANNEL_WIDTH_80)
rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH,
RF18_BW_MASK, 0x0);
/* [31] = 1 --> Page C1 */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x1);
/* 3. TX RF setting */
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x80000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_ADDR, RFREG_MASK,
0x20000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_DATA0, RFREG_MASK,
0x0003f);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_DATA1, RFREG_MASK,
0xf3fc3);
rtw_write_rf(rtwdev, RF_PATH_A, RF_TXA_PREPAD, RFREG_MASK, 0x931d5);
rtw_write_rf(rtwdev, RF_PATH_A, RF_RXBB2, RFREG_MASK, 0x8a001);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x00000);
rtw_write32(rtwdev, REG_DAC_RSTB, 0x00008000);
rtw_write32_mask(rtwdev, REG_TXAGCIDX, BIT(0), 0x1);
/* TX (X,Y) */
rtw_write32(rtwdev, REG_IQK_COM00, 0x29002000);
/* RX (X,Y) */
rtw_write32(rtwdev, REG_IQK_COM32, 0xa9002000);
/* [0]:AGC_en, [15]:idac_K_Mask */
rtw_write32(rtwdev, REG_IQK_COM96, 0x0046a910);
/* [31] = 1 --> Page C1 */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x1);
if (efuse->ext_pa_5g)
rtw_write32(rtwdev, REG_OFDM0_XB_TX_IQ_IMBALANCE,
0x821403f7);
else
rtw_write32(rtwdev, REG_OFDM0_XB_TX_IQ_IMBALANCE,
0x821403e3);
if (hal->current_band_type == RTW_BAND_5G)
rtw_write32(rtwdev, REG_TSSI_TRK_SW, 0x40163e96);
else
rtw_write32(rtwdev, REG_TSSI_TRK_SW, 0x00163e96);
if (vdf_enable)
rtw8821a_iqk_tx_vdf_true(rtwdev, cal, &tx0iqkok,
tx_x0, tx_y0);
else
rtw8821a_iqk_tx_vdf_false(rtwdev, cal, &tx0iqkok,
tx_x0, tx_y0);
if (!tx0iqkok)
break; /* TXK fail, Don't do RXK */
/* ====== RX IQK ====== */
/* [31] = 0 --> Page C */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x0);
/* 1. RX RF setting */
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x80000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_ADDR, RFREG_MASK,
0x30000);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_DATA0, RFREG_MASK,
0x0002f);
rtw_write_rf(rtwdev, RF_PATH_A, RF_MODE_TABLE_DATA1, RFREG_MASK,
0xfffbb);
rtw_write_rf(rtwdev, RF_PATH_A, RF_RXBB2, RFREG_MASK, 0x88001);
rtw_write_rf(rtwdev, RF_PATH_A, RF_TXA_PREPAD, RFREG_MASK, 0x931d8);
rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWE, RFREG_MASK, 0x00000);
rtw_write32_mask(rtwdev, REG_IQK_COM00, 0x03FF8000,
(tx_x0[cal] >> 21) & 0x000007ff);
rtw_write32_mask(rtwdev, REG_IQK_COM00, 0x000007FF,
(tx_y0[cal] >> 21) & 0x000007ff);
rtw_write32_mask(rtwdev, REG_IQK_COM00, BIT(31), 0x1);
rtw_write32_mask(rtwdev, REG_IQK_COM00, BIT(31), 0x0);
rtw_write32(rtwdev, REG_DAC_RSTB, 0x00008000);
rtw_write32(rtwdev, REG_IQK_COM96, 0x0046a911);
/* [31] = 1 --> Page C1 */
rtw_write32_mask(rtwdev, REG_CCASEL, BIT(31), 0x1);
/* TX_Tone_idx[9:0], TxK_Mask[29] TX_Tone = 16 */
rtw_write32(rtwdev, REG_OFDM0_XA_TX_IQ_IMBALANCE, 0x38008c10);
/* RX_Tone_idx[9:0], RxK_Mask[29] */
rtw_write32(rtwdev, REG_OFDM0_A_TX_AFE, 0x18008c10);
rtw_write32(rtwdev, REG_OFDM0_XB_TX_IQ_IMBALANCE, 0x02140119);
if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE)
rx_iqk_loop = 2; /* for 2% fail; */
else
rx_iqk_loop = 1;
for (i = 0; i < rx_iqk_loop; i++) {
if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE && i == 0)
rtw_write32(rtwdev, REG_TSSI_TRK_SW, 0x28161100); /* Good */
else
rtw_write32(rtwdev, REG_TSSI_TRK_SW, 0x28160d00);
rtw8821a_iqk_rx(rtwdev, cal, &rx0iqkok,
rx_x0[i], rx_y0[i]);
}
if (tx0iqkok)
tx_average++;
if (rx0iqkok)
rx_average++;
}
/* FillIQK Result */
if (tx_average == 0)
return;
for (i = 0; i < tx_average; i++)
rtw_dbg(rtwdev, RTW_DBG_RFK,
"tx_x0[%d] = %x ;; tx_y0[%d] = %x\n",
i, (tx_x0[i] >> 21) & 0x000007ff,
i, (tx_y0[i] >> 21) & 0x000007ff);
if (rtw88xxa_iqk_finish(tx_average, 3, tx_x0, tx_y0,
&tx_x, &tx_y, true, true))
rtw8821a_iqk_tx_fill(rtwdev, tx_x, tx_y);
else
rtw8821a_iqk_tx_fill(rtwdev, 0x200, 0x0);
if (rx_average == 0)
return;
for (i = 0; i < rx_average; i++) {
rtw_dbg(rtwdev, RTW_DBG_RFK,
"rx_x0[0][%d] = %x ;; rx_y0[0][%d] = %x\n",
i, (rx_x0[0][i] >> 21) & 0x000007ff,
i, (rx_y0[0][i] >> 21) & 0x000007ff);
if (rx_iqk_loop == 2)
rtw_dbg(rtwdev, RTW_DBG_RFK,
"rx_x0[1][%d] = %x ;; rx_y0[1][%d] = %x\n",
i, (rx_x0[1][i] >> 21) & 0x000007ff,
i, (rx_y0[1][i] >> 21) & 0x000007ff);
}
rx_finish1 = rtw88xxa_iqk_finish(rx_average, 4, rx_x0[0], rx_y0[0],
&rx_x_temp, &rx_y_temp, true, true);
if (rx_finish1) {
rx_x = rx_x_temp;
rx_y = rx_y_temp;
}
if (rx_iqk_loop == 2) {
rx_finish2 = rtw88xxa_iqk_finish(rx_average, 4,
rx_x0[1], rx_y0[1],
&rx_x, &rx_y, true, true);
if (rx_finish1 && rx_finish2) {
rx_x = (rx_x + rx_x_temp) / 2;
rx_y = (rx_y + rx_y_temp) / 2;
}
}
if (rx_finish1 || rx_finish2)
rtw8821a_iqk_rx_fill(rtwdev, rx_x, rx_y);
else
rtw8821a_iqk_rx_fill(rtwdev, 0x200, 0x0);
}
static void rtw8821a_do_iqk(struct rtw_dev *rtwdev)
{
static const u32 backup_macbb_reg[MACBB_REG_NUM_8821A] = {
0x520, 0x550, 0x808, 0xa04, 0x90c, 0xc00, 0x838, 0x82c
};
static const u32 backup_afe_reg[AFE_REG_NUM_8821A] = {
0xc5c, 0xc60, 0xc64, 0xc68
};
static const u32 backup_rf_reg[RF_REG_NUM_8821A] = {
0x65, 0x8f, 0x0
};
u32 macbb_backup[MACBB_REG_NUM_8821A];
u32 afe_backup[AFE_REG_NUM_8821A];
u32 rfa_backup[RF_REG_NUM_8821A];
rtw88xxa_iqk_backup_mac_bb(rtwdev, macbb_backup,
backup_macbb_reg, MACBB_REG_NUM_8821A);
rtw88xxa_iqk_backup_afe(rtwdev, afe_backup,
backup_afe_reg, AFE_REG_NUM_8821A);
rtw8821a_iqk_backup_rf(rtwdev, rfa_backup,
backup_rf_reg, RF_REG_NUM_8821A);
rtw88xxa_iqk_configure_mac(rtwdev);
rtw8821a_iqk(rtwdev);
rtw8821a_iqk_restore_rf(rtwdev, backup_rf_reg,
rfa_backup, RF_REG_NUM_8821A);
rtw8821a_iqk_restore_afe(rtwdev, afe_backup,
backup_afe_reg, AFE_REG_NUM_8821A);
rtw88xxa_iqk_restore_mac_bb(rtwdev, macbb_backup,
backup_macbb_reg, MACBB_REG_NUM_8821A);
}
static void rtw8821a_phy_calibration(struct rtw_dev *rtwdev)
{
rtw8821a_do_iqk(rtwdev);
}
static void rtw8821a_pwr_track(struct rtw_dev *rtwdev)
{
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
if (!dm_info->pwr_trk_triggered) {
rtw_write_rf(rtwdev, RF_PATH_A, RF_T_METER,
GENMASK(17, 16), 0x03);
dm_info->pwr_trk_triggered = true;
return;
}
rtw88xxa_phy_pwrtrack(rtwdev, NULL, rtw8821a_do_iqk);
dm_info->pwr_trk_triggered = false;
}
#ifdef CONFIG_LEDS_CLASS
static void rtw8821a_led_set(struct led_classdev *led,
enum led_brightness brightness)
{
struct rtw_dev *rtwdev = container_of(led, struct rtw_dev, led_cdev);
u32 gpio8_cfg;
u8 ledcfg;
if (brightness == LED_OFF) {
gpio8_cfg = rtw_read32(rtwdev, REG_GPIO_PIN_CTRL_2);
gpio8_cfg &= ~BIT(24);
gpio8_cfg |= BIT(16) | BIT(8);
rtw_write32(rtwdev, REG_GPIO_PIN_CTRL_2, gpio8_cfg);
} else {
ledcfg = rtw_read8(rtwdev, REG_LED_CFG + 2);
gpio8_cfg = rtw_read32(rtwdev, REG_GPIO_PIN_CTRL_2);
ledcfg &= BIT(7) | BIT(6);
rtw_write8(rtwdev, REG_LED_CFG + 2, ledcfg);
gpio8_cfg &= ~(BIT(24) | BIT(8));
gpio8_cfg |= BIT(16);
rtw_write32(rtwdev, REG_GPIO_PIN_CTRL_2, gpio8_cfg);
}
}
#endif
static void rtw8821a_fill_txdesc_checksum(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
u8 *txdesc)
{
fill_txdesc_checksum_common(txdesc, 16);
}
static void rtw8821a_coex_cfg_init(struct rtw_dev *rtwdev)
{
u8 val8;
/* BT report packet sample rate */
rtw_write8_mask(rtwdev, REG_BT_TDMA_TIME, BIT_MASK_SAMPLE_RATE, 0x5);
val8 = BIT_STATIS_BT_EN;
if (rtwdev->efuse.share_ant)
val8 |= BIT_R_GRANTALL_WLMASK;
rtw_write8(rtwdev, REG_BT_COEX_ENH_INTR_CTRL, val8);
/* enable BT counter statistics */
rtw_write8(rtwdev, REG_BT_STAT_CTRL, 0x3);
/* enable PTA */
rtw_write32_set(rtwdev, REG_GPIO_MUXCFG, BIT_BT_PTA_EN);
}
static void rtw8821a_coex_cfg_ant_switch(struct rtw_dev *rtwdev, u8 ctrl_type,
u8 pos_type)
{
bool share_ant = rtwdev->efuse.share_ant;
struct rtw_coex *coex = &rtwdev->coex;
struct rtw_coex_dm *coex_dm = &coex->dm;
u32 phase = coex_dm->cur_ant_pos_type;
if (!rtwdev->efuse.btcoex)
return;
switch (phase) {
case COEX_SET_ANT_POWERON:
case COEX_SET_ANT_INIT:
rtw_write32_clr(rtwdev, REG_LED_CFG, BIT_DPDT_SEL_EN);
rtw_write32_set(rtwdev, REG_LED_CFG, BIT_DPDT_WL_SEL);
rtw_write8_set(rtwdev, REG_GNT_BT, BIT_PTA_SW_CTL);
rtw_write8(rtwdev, REG_RFE_CTRL8,
share_ant ? PTA_CTRL_PIN : DPDT_CTRL_PIN);
rtw_write32_mask(rtwdev, REG_RFE_CTRL8, 0x30000000, 0x1);
break;
case COEX_SET_ANT_WONLY:
rtw_write32_clr(rtwdev, REG_LED_CFG, BIT_DPDT_SEL_EN);
rtw_write32_set(rtwdev, REG_LED_CFG, BIT_DPDT_WL_SEL);
rtw_write8_clr(rtwdev, REG_GNT_BT, BIT_PTA_SW_CTL);
rtw_write8(rtwdev, REG_RFE_CTRL8, DPDT_CTRL_PIN);
rtw_write32_mask(rtwdev, REG_RFE_CTRL8, 0x30000000, 0x1);
break;
case COEX_SET_ANT_2G:
rtw_write32_clr(rtwdev, REG_LED_CFG, BIT_DPDT_SEL_EN);
rtw_write32_set(rtwdev, REG_LED_CFG, BIT_DPDT_WL_SEL);
rtw_write8_clr(rtwdev, REG_GNT_BT, BIT_PTA_SW_CTL);
rtw_write8(rtwdev, REG_RFE_CTRL8,
share_ant ? PTA_CTRL_PIN : DPDT_CTRL_PIN);
rtw_write32_mask(rtwdev, REG_RFE_CTRL8, 0x30000000, 0x1);
break;
case COEX_SET_ANT_5G:
rtw_write32_clr(rtwdev, REG_LED_CFG, BIT_DPDT_SEL_EN);
rtw_write32_set(rtwdev, REG_LED_CFG, BIT_DPDT_WL_SEL);
rtw_write8_set(rtwdev, REG_GNT_BT, BIT_PTA_SW_CTL);
rtw_write8(rtwdev, REG_RFE_CTRL8, DPDT_CTRL_PIN);
rtw_write32_mask(rtwdev, REG_RFE_CTRL8, 0x30000000,
share_ant ? 0x2 : 0x1);
break;
case COEX_SET_ANT_WOFF:
rtw_write32_clr(rtwdev, REG_LED_CFG, BIT_DPDT_SEL_EN);
rtw_write32_clr(rtwdev, REG_LED_CFG, BIT_DPDT_WL_SEL);
rtw_write8_set(rtwdev, REG_GNT_BT, BIT_PTA_SW_CTL);
rtw_write8(rtwdev, REG_RFE_CTRL8, DPDT_CTRL_PIN);
rtw_write32_mask(rtwdev, REG_RFE_CTRL8, 0x30000000,
share_ant ? 0x2 : 0x1);
break;
default:
rtw_warn(rtwdev, "%s: not handling phase %d\n",
__func__, phase);
break;
}
}
static void rtw8821a_coex_cfg_gnt_fix(struct rtw_dev *rtwdev)
{
}
static void rtw8821a_coex_cfg_gnt_debug(struct rtw_dev *rtwdev)
{
}
static void rtw8821a_coex_cfg_rfe_type(struct rtw_dev *rtwdev)
{
struct rtw_coex *coex = &rtwdev->coex;
struct rtw_coex_rfe *coex_rfe = &coex->rfe;
coex_rfe->ant_switch_exist = true;
}
static void rtw8821a_coex_cfg_wl_tx_power(struct rtw_dev *rtwdev, u8 wl_pwr)
{
struct rtw_coex *coex = &rtwdev->coex;
struct rtw_coex_dm *coex_dm = &coex->dm;
struct rtw_efuse *efuse = &rtwdev->efuse;
bool share_ant = efuse->share_ant;
if (share_ant)
return;
if (wl_pwr == coex_dm->cur_wl_pwr_lvl)
return;
coex_dm->cur_wl_pwr_lvl = wl_pwr;
}
static void rtw8821a_coex_cfg_wl_rx_gain(struct rtw_dev *rtwdev, bool low_gain)
{
}
static const struct rtw_chip_ops rtw8821a_ops = {
.power_on = rtw88xxa_power_on,
.power_off = rtw8821a_power_off,
.phy_set_param = NULL,
.read_efuse = rtw88xxa_read_efuse,
.query_phy_status = rtw8821a_query_phy_status,
.set_channel = rtw88xxa_set_channel,
.mac_init = NULL,
.read_rf = rtw88xxa_phy_read_rf,
.write_rf = rtw_phy_write_rf_reg_sipi,
.set_antenna = NULL,
.set_tx_power_index = rtw88xxa_set_tx_power_index,
.cfg_ldo25 = rtw8821a_cfg_ldo25,
.efuse_grant = rtw88xxa_efuse_grant,
.set_ampdu_factor = rtw8821a_set_ampdu_factor,
.false_alarm_statistics = rtw88xxa_false_alarm_statistics,
.phy_calibration = rtw8821a_phy_calibration,
.cck_pd_set = rtw88xxa_phy_cck_pd_set,
.pwr_track = rtw8821a_pwr_track,
.config_bfee = NULL,
.set_gid_table = NULL,
.cfg_csi_rate = NULL,
#ifdef CONFIG_LEDS_CLASS
.led_set = rtw8821a_led_set,
#endif
.fill_txdesc_checksum = rtw8821a_fill_txdesc_checksum,
.coex_set_init = rtw8821a_coex_cfg_init,
.coex_set_ant_switch = rtw8821a_coex_cfg_ant_switch,
.coex_set_gnt_fix = rtw8821a_coex_cfg_gnt_fix,
.coex_set_gnt_debug = rtw8821a_coex_cfg_gnt_debug,
.coex_set_rfe_type = rtw8821a_coex_cfg_rfe_type,
.coex_set_wl_tx_power = rtw8821a_coex_cfg_wl_tx_power,
.coex_set_wl_rx_gain = rtw8821a_coex_cfg_wl_rx_gain,
};
static const struct rtw_page_table page_table_8821a[] = {
/* hq_num, nq_num, lq_num, exq_num, gapq_num */
{0, 0, 0, 0, 0}, /* SDIO */
{0, 0, 0, 0, 0}, /* PCI */
{8, 0, 0, 0, 1}, /* 2 bulk out endpoints */
{8, 0, 8, 0, 1}, /* 3 bulk out endpoints */
{8, 0, 8, 4, 1}, /* 4 bulk out endpoints */
};
static const struct rtw_rqpn rqpn_table_8821a[] = {
{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
{RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_HIGH,
RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_HIGH},
{RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_NORMAL,
RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_HIGH},
{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
};
static const struct rtw_prioq_addrs prioq_addrs_8821a = {
.prio[RTW_DMA_MAPPING_EXTRA] = {
.rsvd = REG_RQPN_NPQ + 2, .avail = REG_RQPN_NPQ + 3,
},
.prio[RTW_DMA_MAPPING_LOW] = {
.rsvd = REG_RQPN + 1, .avail = REG_FIFOPAGE_CTRL_2 + 1,
},
.prio[RTW_DMA_MAPPING_NORMAL] = {
.rsvd = REG_RQPN_NPQ, .avail = REG_RQPN_NPQ + 1,
},
.prio[RTW_DMA_MAPPING_HIGH] = {
.rsvd = REG_RQPN, .avail = REG_FIFOPAGE_CTRL_2,
},
.wsize = false,
};
static const struct rtw_hw_reg rtw8821a_dig[] = {
[0] = { .addr = REG_RXIGI_A, .mask = 0x7f },
};
static const struct rtw_rfe_def rtw8821a_rfe_defs[] = {
[0] = { .phy_pg_tbl = &rtw8821a_bb_pg_tbl,
.txpwr_lmt_tbl = &rtw8821a_txpwr_lmt_tbl,
.pwr_track_tbl = &rtw8821a_rtw_pwr_track_tbl, },
};
/* TODO */
/* rssi in percentage % (dbm = % - 100) */
static const u8 wl_rssi_step_8821a[] = {101, 45, 101, 40};
static const u8 bt_rssi_step_8821a[] = {101, 101, 101, 101};
/* table_sant_8821a, table_nsant_8821a, tdma_sant_8821a, and tdma_nsant_8821a
* are copied from rtw8821c.c because the 8821au driver's tables are not
* compatible with the coex code in rtw88.
*
* tdma case 112 (A2DP) byte 0 had to be modified from 0x61 to 0x51,
* otherwise the firmware gets confused after pausing the music:
* rtw_8821au 1-2:1.2: [BTCoex], Bt_info[1], len=7, data=[81 00 0a 01 00 00]
* - 81 means PAN (personal area network) when it should be 4x (A2DP)
* The music is not smooth with the PAN algorithm.
*/
/* Shared-Antenna Coex Table */
static const struct coex_table_para table_sant_8821a[] = {
{0x55555555, 0x55555555}, /* case-0 */
{0x55555555, 0x55555555},
{0x66555555, 0x66555555},
{0xaaaaaaaa, 0xaaaaaaaa},
{0x5a5a5a5a, 0x5a5a5a5a},
{0xfafafafa, 0xfafafafa}, /* case-5 */
{0x6a5a5555, 0xaaaaaaaa},
{0x6a5a56aa, 0x6a5a56aa},
{0x6a5a5a5a, 0x6a5a5a5a},
{0x66555555, 0x5a5a5a5a},
{0x66555555, 0x6a5a5a5a}, /* case-10 */
{0x66555555, 0xaaaaaaaa},
{0x66555555, 0x6a5a5aaa},
{0x66555555, 0x6aaa6aaa},
{0x66555555, 0x6a5a5aaa},
{0x66555555, 0xaaaaaaaa}, /* case-15 */
{0xffff55ff, 0xfafafafa},