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kmod-redhat-rtw89/SOURCES/0028-wifi-rtw89-8852b-add-c...

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From 7b97ddc16bd5499e045d2398917c82763568e501 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=8D=C3=B1igo=20Huguet?= <ihuguet@redhat.com>
Date: Wed, 24 May 2023 15:00:25 +0200
Subject: [PATCH 028/142] wifi: rtw89: 8852b: add chip_ops related to BT
coexistence
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Bugzilla: https://bugzilla.redhat.com/2207499
commit 98bf0ddf20fc2d70d11f1af6e041ee4fad1392ac
Author: Ping-Ke Shih <pkshih@realtek.com>
Date: Sun Oct 9 20:53:59 2022 +0800
wifi: rtw89: 8852b: add chip_ops related to BT coexistence
These chip_ops are used to assist BT coexistence module to control chip
specific operations, such as initial, pre-AGC, BT grant, set wifi priority
and tx power, RX gain, and get BT counter.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221009125403.19662-6-pkshih@realtek.com
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
---
drivers/net/wireless/realtek/rtw89/reg.h | 1 +
drivers/net/wireless/realtek/rtw89/rtw8852b.c | 305 ++++++++++++++++++++++++++
2 files changed, 306 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 376ce7135b388..570fb1aee80c3 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -3151,6 +3151,7 @@
#define BTC_BREAK_PARAM 0xf0ffffff
#define R_BTC_BT_COEX_MSK_TABLE 0xDA30
+#define B_BTC_PRI_MASK_RXCCK_V1 BIT(28)
#define B_BTC_PRI_MASK_TX_RESP_V1 BIT(3)
#define R_AX_BT_COEX_CFG_2 0xDA34
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index 09374b92f6617..ee5a29f35db25 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -56,6 +56,44 @@ static const struct rtw89_dle_mem rtw8852b_dle_mem_pcie[] = {
NULL},
};
+static const struct rtw89_reg3_def rtw8852b_btc_preagc_en_defs[] = {
+ {0x46D0, GENMASK(1, 0), 0x3},
+ {0x4790, GENMASK(1, 0), 0x3},
+ {0x4AD4, GENMASK(31, 0), 0xf},
+ {0x4AE0, GENMASK(31, 0), 0xf},
+ {0x4688, GENMASK(31, 24), 0x80},
+ {0x476C, GENMASK(31, 24), 0x80},
+ {0x4694, GENMASK(7, 0), 0x80},
+ {0x4694, GENMASK(15, 8), 0x80},
+ {0x4778, GENMASK(7, 0), 0x80},
+ {0x4778, GENMASK(15, 8), 0x80},
+ {0x4AE4, GENMASK(23, 0), 0x780D1E},
+ {0x4AEC, GENMASK(23, 0), 0x780D1E},
+ {0x469C, GENMASK(31, 26), 0x34},
+ {0x49F0, GENMASK(31, 26), 0x34},
+};
+
+static DECLARE_PHY_REG3_TBL(rtw8852b_btc_preagc_en_defs);
+
+static const struct rtw89_reg3_def rtw8852b_btc_preagc_dis_defs[] = {
+ {0x46D0, GENMASK(1, 0), 0x0},
+ {0x4790, GENMASK(1, 0), 0x0},
+ {0x4AD4, GENMASK(31, 0), 0x60},
+ {0x4AE0, GENMASK(31, 0), 0x60},
+ {0x4688, GENMASK(31, 24), 0x1a},
+ {0x476C, GENMASK(31, 24), 0x1a},
+ {0x4694, GENMASK(7, 0), 0x2a},
+ {0x4694, GENMASK(15, 8), 0x2a},
+ {0x4778, GENMASK(7, 0), 0x2a},
+ {0x4778, GENMASK(15, 8), 0x2a},
+ {0x4AE4, GENMASK(23, 0), 0x79E99E},
+ {0x4AEC, GENMASK(23, 0), 0x79E99E},
+ {0x469C, GENMASK(31, 26), 0x26},
+ {0x49F0, GENMASK(31, 26), 0x26},
+};
+
+static DECLARE_PHY_REG3_TBL(rtw8852b_btc_preagc_dis_defs);
+
static int rtw8852b_pwr_on_func(struct rtw89_dev *rtwdev)
{
u32 val32;
@@ -1397,6 +1435,55 @@ rtw8852b_init_txpwr_unit(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
return 0;
}
+static void rtw8852b_bb_ctrl_btc_preagc(struct rtw89_dev *rtwdev, bool bt_en)
+{
+ rtw89_phy_write_reg3_tbl(rtwdev, bt_en ? &rtw8852b_btc_preagc_en_defs_tbl :
+ &rtw8852b_btc_preagc_dis_defs_tbl);
+}
+
+static void rtw8852b_ctrl_btg(struct rtw89_dev *rtwdev, bool btg)
+{
+ if (btg) {
+ rtw89_phy_write32_mask(rtwdev, R_PATH0_BT_SHARE_V1,
+ B_PATH0_BT_SHARE_V1, 0x1);
+ rtw89_phy_write32_mask(rtwdev, R_PATH0_BTG_PATH_V1,
+ B_PATH0_BTG_PATH_V1, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_G_LNA6_OP1DB_V1,
+ B_PATH1_G_LNA6_OP1DB_V1, 0x20);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_G_TIA0_LNA6_OP1DB_V1,
+ B_PATH1_G_TIA0_LNA6_OP1DB_V1, 0x30);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_BT_SHARE_V1,
+ B_PATH1_BT_SHARE_V1, 0x1);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_BTG_PATH_V1,
+ B_PATH1_BTG_PATH_V1, 0x1);
+ rtw89_phy_write32_mask(rtwdev, R_PMAC_GNT, B_PMAC_GNT_P1, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_CHBW_MOD_V1, B_BT_SHARE, 0x1);
+ rtw89_phy_write32_mask(rtwdev, R_FC0_BW_V1, B_ANT_RX_BT_SEG0, 0x2);
+ rtw89_phy_write32_mask(rtwdev, R_BT_DYN_DC_EST_EN_V1,
+ B_BT_DYN_DC_EST_EN_MSK, 0x1);
+ rtw89_phy_write32_mask(rtwdev, R_GNT_BT_WGT_EN, B_GNT_BT_WGT_EN, 0x1);
+ } else {
+ rtw89_phy_write32_mask(rtwdev, R_PATH0_BT_SHARE_V1,
+ B_PATH0_BT_SHARE_V1, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_PATH0_BTG_PATH_V1,
+ B_PATH0_BTG_PATH_V1, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_G_LNA6_OP1DB_V1,
+ B_PATH1_G_LNA6_OP1DB_V1, 0x1a);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_G_TIA0_LNA6_OP1DB_V1,
+ B_PATH1_G_TIA0_LNA6_OP1DB_V1, 0x2a);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_BT_SHARE_V1,
+ B_PATH1_BT_SHARE_V1, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_PATH1_BTG_PATH_V1,
+ B_PATH1_BTG_PATH_V1, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_PMAC_GNT, B_PMAC_GNT_P1, 0xc);
+ rtw89_phy_write32_mask(rtwdev, R_CHBW_MOD_V1, B_BT_SHARE, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_FC0_BW_V1, B_ANT_RX_BT_SEG0, 0x0);
+ rtw89_phy_write32_mask(rtwdev, R_BT_DYN_DC_EST_EN_V1,
+ B_BT_DYN_DC_EST_EN_MSK, 0x1);
+ rtw89_phy_write32_mask(rtwdev, R_GNT_BT_WGT_EN, B_GNT_BT_WGT_EN, 0x0);
+ }
+}
+
static u8 rtw8852b_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path)
{
if (rtwdev->is_tssi_mode[rf_path]) {
@@ -1414,6 +1501,212 @@ static u8 rtw8852b_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_p
return rtw89_read_rf(rtwdev, rf_path, RR_TM, RR_TM_VAL);
}
+static void rtw8852b_btc_set_rfe(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_btc *btc = &rtwdev->btc;
+ struct rtw89_btc_module *module = &btc->mdinfo;
+
+ module->rfe_type = rtwdev->efuse.rfe_type;
+ module->cv = rtwdev->hal.cv;
+ module->bt_solo = 0;
+ module->switch_type = BTC_SWITCH_INTERNAL;
+
+ if (module->rfe_type > 0)
+ module->ant.num = module->rfe_type % 2 ? 2 : 3;
+ else
+ module->ant.num = 2;
+
+ module->ant.diversity = 0;
+ module->ant.isolation = 10;
+
+ if (module->ant.num == 3) {
+ module->ant.type = BTC_ANT_DEDICATED;
+ module->bt_pos = BTC_BT_ALONE;
+ } else {
+ module->ant.type = BTC_ANT_SHARED;
+ module->bt_pos = BTC_BT_BTG;
+ }
+}
+
+static
+void rtw8852b_set_trx_mask(struct rtw89_dev *rtwdev, u8 path, u8 group, u32 val)
+{
+ rtw89_write_rf(rtwdev, path, RR_LUTWE, RFREG_MASK, 0x20000);
+ rtw89_write_rf(rtwdev, path, RR_LUTWA, RFREG_MASK, group);
+ rtw89_write_rf(rtwdev, path, RR_LUTWD0, RFREG_MASK, val);
+ rtw89_write_rf(rtwdev, path, RR_LUTWE, RFREG_MASK, 0x0);
+}
+
+static void rtw8852b_btc_init_cfg(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_btc *btc = &rtwdev->btc;
+ struct rtw89_btc_module *module = &btc->mdinfo;
+ const struct rtw89_chip_info *chip = rtwdev->chip;
+ const struct rtw89_mac_ax_coex coex_params = {
+ .pta_mode = RTW89_MAC_AX_COEX_RTK_MODE,
+ .direction = RTW89_MAC_AX_COEX_INNER,
+ };
+
+ /* PTA init */
+ rtw89_mac_coex_init(rtwdev, &coex_params);
+
+ /* set WL Tx response = Hi-Pri */
+ chip->ops->btc_set_wl_pri(rtwdev, BTC_PRI_MASK_TX_RESP, true);
+ chip->ops->btc_set_wl_pri(rtwdev, BTC_PRI_MASK_BEACON, true);
+
+ /* set rf gnt debug off */
+ rtw89_write_rf(rtwdev, RF_PATH_A, RR_WLSEL, RFREG_MASK, 0x0);
+ rtw89_write_rf(rtwdev, RF_PATH_B, RR_WLSEL, RFREG_MASK, 0x0);
+
+ /* set WL Tx thru in TRX mask table if GNT_WL = 0 && BT_S1 = ss group */
+ if (module->ant.type == BTC_ANT_SHARED) {
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_A, BTC_BT_SS_GROUP, 0x5ff);
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_B, BTC_BT_SS_GROUP, 0x5ff);
+ /* set path-A(S0) Tx/Rx no-mask if GNT_WL=0 && BT_S1=tx group */
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_A, BTC_BT_TX_GROUP, 0x5ff);
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_B, BTC_BT_TX_GROUP, 0x55f);
+ } else { /* set WL Tx stb if GNT_WL = 0 && BT_S1 = ss group for 3-ant */
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_A, BTC_BT_SS_GROUP, 0x5df);
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_B, BTC_BT_SS_GROUP, 0x5df);
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_A, BTC_BT_TX_GROUP, 0x5ff);
+ rtw8852b_set_trx_mask(rtwdev, RF_PATH_B, BTC_BT_TX_GROUP, 0x5ff);
+ }
+
+ /* set PTA break table */
+ rtw89_write32(rtwdev, R_BTC_BREAK_TABLE, BTC_BREAK_PARAM);
+
+ /* enable BT counter 0xda40[16,2] = 2b'11 */
+ rtw89_write32_set(rtwdev, R_AX_CSR_MODE, B_AX_BT_CNT_RST | B_AX_STATIS_BT_EN);
+ btc->cx.wl.status.map.init_ok = true;
+}
+
+static
+void rtw8852b_btc_set_wl_pri(struct rtw89_dev *rtwdev, u8 map, bool state)
+{
+ u32 bitmap;
+ u32 reg;
+
+ switch (map) {
+ case BTC_PRI_MASK_TX_RESP:
+ reg = R_BTC_BT_COEX_MSK_TABLE;
+ bitmap = B_BTC_PRI_MASK_TX_RESP_V1;
+ break;
+ case BTC_PRI_MASK_BEACON:
+ reg = R_AX_WL_PRI_MSK;
+ bitmap = B_AX_PTA_WL_PRI_MASK_BCNQ;
+ break;
+ case BTC_PRI_MASK_RX_CCK:
+ reg = R_BTC_BT_COEX_MSK_TABLE;
+ bitmap = B_BTC_PRI_MASK_RXCCK_V1;
+ break;
+ default:
+ return;
+ }
+
+ if (state)
+ rtw89_write32_set(rtwdev, reg, bitmap);
+ else
+ rtw89_write32_clr(rtwdev, reg, bitmap);
+}
+
+union rtw8852b_btc_wl_txpwr_ctrl {
+ u32 txpwr_val;
+ struct {
+ union {
+ u16 ctrl_all_time;
+ struct {
+ s16 data:9;
+ u16 rsvd:6;
+ u16 flag:1;
+ } all_time;
+ };
+ union {
+ u16 ctrl_gnt_bt;
+ struct {
+ s16 data:9;
+ u16 rsvd:7;
+ } gnt_bt;
+ };
+ };
+} __packed;
+
+static void
+rtw8852b_btc_set_wl_txpwr_ctrl(struct rtw89_dev *rtwdev, u32 txpwr_val)
+{
+ union rtw8852b_btc_wl_txpwr_ctrl arg = { .txpwr_val = txpwr_val };
+ s32 val;
+
+#define __write_ctrl(_reg, _msk, _val, _en, _cond) \
+do { \
+ u32 _wrt = FIELD_PREP(_msk, _val); \
+ BUILD_BUG_ON(!!(_msk & _en)); \
+ if (_cond) \
+ _wrt |= _en; \
+ else \
+ _wrt &= ~_en; \
+ rtw89_mac_txpwr_write32_mask(rtwdev, RTW89_PHY_0, _reg, \
+ _msk | _en, _wrt); \
+} while (0)
+
+ switch (arg.ctrl_all_time) {
+ case 0xffff:
+ val = 0;
+ break;
+ default:
+ val = arg.all_time.data;
+ break;
+ }
+
+ __write_ctrl(R_AX_PWR_RATE_CTRL, B_AX_FORCE_PWR_BY_RATE_VALUE_MASK,
+ val, B_AX_FORCE_PWR_BY_RATE_EN,
+ arg.ctrl_all_time != 0xffff);
+
+ switch (arg.ctrl_gnt_bt) {
+ case 0xffff:
+ val = 0;
+ break;
+ default:
+ val = arg.gnt_bt.data;
+ break;
+ }
+
+ __write_ctrl(R_AX_PWR_COEXT_CTRL, B_AX_TXAGC_BT_MASK, val,
+ B_AX_TXAGC_BT_EN, arg.ctrl_gnt_bt != 0xffff);
+
+#undef __write_ctrl
+}
+
+static
+s8 rtw8852b_btc_get_bt_rssi(struct rtw89_dev *rtwdev, s8 val)
+{
+ return clamp_t(s8, val, -100, 0) + 100;
+}
+
+static
+void rtw8852b_btc_update_bt_cnt(struct rtw89_dev *rtwdev)
+{
+ /* Feature move to firmware */
+}
+
+static void rtw8852b_btc_wl_s1_standby(struct rtw89_dev *rtwdev, bool state)
+{
+ rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x80000);
+ rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x1);
+ rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD1, RFREG_MASK, 0x31);
+
+ /* set WL standby = Rx for GNT_BT_Tx = 1->0 settle issue */
+ if (state)
+ rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x579);
+ else
+ rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x20);
+
+ rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0);
+}
+
+static void rtw8852b_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level)
+{
+}
+
static int rtw8852b_mac_enable_bb_rf(struct rtw89_dev *rtwdev)
{
int ret;
@@ -1481,8 +1774,20 @@ static const struct rtw89_chip_ops rtw8852b_chip_ops = {
.set_txpwr_ctrl = rtw8852b_set_txpwr_ctrl,
.init_txpwr_unit = rtw8852b_init_txpwr_unit,
.get_thermal = rtw8852b_get_thermal,
+ .ctrl_btg = rtw8852b_ctrl_btg,
+ .bb_ctrl_btc_preagc = rtw8852b_bb_ctrl_btc_preagc,
.pwr_on_func = rtw8852b_pwr_on_func,
.pwr_off_func = rtw8852b_pwr_off_func,
+
+ .btc_set_rfe = rtw8852b_btc_set_rfe,
+ .btc_init_cfg = rtw8852b_btc_init_cfg,
+ .btc_set_wl_pri = rtw8852b_btc_set_wl_pri,
+ .btc_set_wl_txpwr_ctrl = rtw8852b_btc_set_wl_txpwr_ctrl,
+ .btc_get_bt_rssi = rtw8852b_btc_get_bt_rssi,
+ .btc_update_bt_cnt = rtw8852b_btc_update_bt_cnt,
+ .btc_wl_s1_standby = rtw8852b_btc_wl_s1_standby,
+ .btc_set_wl_rx_gain = rtw8852b_btc_set_wl_rx_gain,
+ .btc_set_policy = rtw89_btc_set_policy,
};
const struct rtw89_chip_info rtw8852b_chip_info = {
--
2.13.6
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