rtw89: coex: Add logic to parsing rtl8852c firmware type ctrl report

Add a part of logic to parse type of ctrl report from firmware, and
remove Bluetooth packet counter count from driver, the feature was
moved to firmware at rtl8852c.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220725023509.43114-4-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/coex.c

@@ -876,7 +876,9 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 	struct rtw89_btc_dm *dm = &btc->dm;
 	struct rtw89_btc_rpt_cmn_info *pcinfo = NULL;
 	struct rtw89_btc_wl_info *wl = &btc->cx.wl;
-	struct rtw89_btc_fbtc_rpt_ctrl *prpt = NULL;
+	struct rtw89_btc_bt_info *bt = &btc->cx.bt;
+	struct rtw89_btc_fbtc_rpt_ctrl *prpt;
+	struct rtw89_btc_fbtc_rpt_ctrl_v1 *prpt_v1;
 	struct rtw89_btc_fbtc_cysta *pcysta_le32 = NULL;
 	struct rtw89_btc_fbtc_cysta_cpu pcysta[1];
 	struct rtw89_btc_prpt *btc_prpt = NULL;
@@ -907,8 +909,13 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 	switch (rpt_type) {
 	case BTC_RPT_TYPE_CTRL:
 		pcinfo = &pfwinfo->rpt_ctrl.cinfo;
-		pfinfo = (u8 *)(&pfwinfo->rpt_ctrl.finfo);
-		pcinfo->req_len = sizeof(pfwinfo->rpt_ctrl.finfo);
+		if (chip->chip_id == RTL8852A) {
+			pfinfo = (u8 *)(&pfwinfo->rpt_ctrl.finfo);
+			pcinfo->req_len = sizeof(pfwinfo->rpt_ctrl.finfo);
+		} else {
+			pfinfo = (u8 *)(&pfwinfo->rpt_ctrl.finfo_v1);
+			pcinfo->req_len = sizeof(pfwinfo->rpt_ctrl.finfo_v1);
+		}
 		pcinfo->req_fver = chip->fcxbtcrpt_ver;
 		pcinfo->rx_len = rpt_len;
 		pcinfo->rx_cnt++;
@@ -1127,12 +1134,12 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 		_chk_btc_err(rtwdev, BTC_DCNT_CYCLE_FREEZE, (u32)pcysta->cycles);
 	}
 
-	if (rpt_type == BTC_RPT_TYPE_CTRL) {
+	if (rpt_type == BTC_RPT_TYPE_CTRL && chip->chip_id == RTL8852A) {
 		prpt = &pfwinfo->rpt_ctrl.finfo;
 		btc->fwinfo.rpt_en_map = prpt->rpt_enable;
 		wl->ver_info.fw_coex = prpt->wl_fw_coex_ver;
 		wl->ver_info.fw = prpt->wl_fw_ver;
-		dm->wl_fw_cx_offload = !!(prpt->wl_fw_cx_offload);
+		dm->wl_fw_cx_offload = !!prpt->wl_fw_cx_offload;
 
 		_chk_btc_err(rtwdev, BTC_DCNT_RPT_FREEZE,
 			     pfwinfo->event[BTF_EVNT_RPT]);
@@ -1145,6 +1152,33 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 			btc->cx.cnt_bt[BTC_BCNT_POLUT] =
 				rtw89_mac_get_plt_cnt(rtwdev, RTW89_MAC_0);
 		}
+	} else if (rpt_type == BTC_RPT_TYPE_CTRL) {
+		prpt_v1 = &pfwinfo->rpt_ctrl.finfo_v1;
+		btc->fwinfo.rpt_en_map = le32_to_cpu(prpt_v1->rpt_info.en);
+		wl->ver_info.fw_coex = le32_to_cpu(prpt_v1->wl_fw_info.cx_ver);
+		wl->ver_info.fw = le32_to_cpu(prpt_v1->wl_fw_info.fw_ver);
+		dm->wl_fw_cx_offload = !!le32_to_cpu(prpt_v1->wl_fw_info.cx_offload);
+
+		for (i = RTW89_PHY_0; i < RTW89_PHY_MAX; i++)
+			memcpy(&dm->gnt.band[i], &prpt_v1->gnt_val[i],
+			       sizeof(dm->gnt.band[i]));
+
+		btc->cx.cnt_bt[BTC_BCNT_HIPRI_TX] = le32_to_cpu(prpt_v1->bt_cnt[BTC_BCNT_HI_TX]);
+		btc->cx.cnt_bt[BTC_BCNT_HIPRI_RX] = le32_to_cpu(prpt_v1->bt_cnt[BTC_BCNT_HI_RX]);
+		btc->cx.cnt_bt[BTC_BCNT_LOPRI_TX] = le32_to_cpu(prpt_v1->bt_cnt[BTC_BCNT_LO_TX]);
+		btc->cx.cnt_bt[BTC_BCNT_LOPRI_RX] = le32_to_cpu(prpt_v1->bt_cnt[BTC_BCNT_LO_RX]);
+		btc->cx.cnt_bt[BTC_BCNT_POLUT] = le32_to_cpu(prpt_v1->bt_cnt[BTC_BCNT_POLLUTED]);
+
+		_chk_btc_err(rtwdev, BTC_DCNT_BTCNT_FREEZE, 0);
+		_chk_btc_err(rtwdev, BTC_DCNT_RPT_FREEZE,
+			     pfwinfo->event[BTF_EVNT_RPT]);
+
+		if (le32_to_cpu(prpt_v1->bt_cnt[BTC_BCNT_RFK_TIMEOUT]) > 0)
+			bt->rfk_info.map.timeout = 1;
+		else
+			bt->rfk_info.map.timeout = 0;
+
+		dm->error.map.bt_rfk_timeout = bt->rfk_info.map.timeout;
 	}
 
 	if (rpt_type >= BTC_RPT_TYPE_BT_VER &&

drivers/net/wireless/realtek/rtw89/core.h

@@ -808,7 +808,7 @@ struct rtw89_mac_ax_gnt {
 	u8 gnt_bt;
 	u8 gnt_wl_sw_en;
 	u8 gnt_wl;
-};
+} __packed;
 
 #define RTW89_MAC_AX_COEX_GNT_NR 2
 struct rtw89_mac_ax_coex_gnt {
@@ -1375,13 +1375,18 @@ struct rtw89_btc_fbtc_tdma {
 #define FCXMAX_STEP 255 /*STEP trace record cnt, Max:65535, default:255*/
 #define BTC_CYCLE_SLOT_MAX 48 /* must be even number, non-zero */
 
-enum rtw89_btc_bt_rfk_counter {
+enum rtw89_btc_bt_sta_counter {
 	BTC_BCNT_RFK_REQ = 0,
 	BTC_BCNT_RFK_GO = 1,
 	BTC_BCNT_RFK_REJECT = 2,
 	BTC_BCNT_RFK_FAIL = 3,
 	BTC_BCNT_RFK_TIMEOUT = 4,
-	BTC_BCNT_RFK_MAX
+	BTC_BCNT_HI_TX = 5,
+	BTC_BCNT_HI_RX = 6,
+	BTC_BCNT_LO_TX = 7,
+	BTC_BCNT_LO_RX = 8,
+	BTC_BCNT_POLLUTED = 9,
+	BTC_BCNT_STA_MAX
 };
 
 struct rtw89_btc_fbtc_rpt_ctrl {
@@ -1398,11 +1403,56 @@ struct rtw89_btc_fbtc_rpt_ctrl {
 	u32 mb_a2dp_empty_cnt; /* a2dp empty count */
 	u32 mb_a2dp_flct_cnt; /* a2dp empty flow control counter */
 	u32 mb_a2dp_full_cnt; /* a2dp empty full counter */
-	u32 bt_rfk_cnt[BTC_BCNT_RFK_MAX];
+	u32 bt_rfk_cnt[BTC_BCNT_HI_TX];
 	u32 c2h_cnt; /* fw send c2h counter  */
 	u32 h2c_cnt; /* fw recv h2c counter */
 } __packed;
 
+struct rtw89_btc_fbtc_rpt_ctrl_info {
+	__le32 cnt; /* fw report counter */
+	__le32 en; /* report map */
+	__le32 para; /* not used */
+
+	__le32 cnt_c2h; /* fw send c2h counter  */
+	__le32 cnt_h2c; /* fw recv h2c counter */
+	__le32 len_c2h; /* The total length of the last C2H  */
+
+	__le32 cnt_aoac_rf_on;  /* rf-on counter for aoac switch notify */
+	__le32 cnt_aoac_rf_off; /* rf-off counter for aoac switch notify */
+} __packed;
+
+struct rtw89_btc_fbtc_rpt_ctrl_wl_fw_info {
+	__le32 cx_ver; /* match which driver's coex version */
+	__le32 cx_offload;
+	__le32 fw_ver;
+} __packed;
+
+struct rtw89_btc_fbtc_rpt_ctrl_a2dp_empty {
+	__le32 cnt_empty; /* a2dp empty count */
+	__le32 cnt_flowctrl; /* a2dp empty flow control counter */
+	__le32 cnt_tx;
+	__le32 cnt_ack;
+	__le32 cnt_nack;
+} __packed;
+
+struct rtw89_btc_fbtc_rpt_ctrl_bt_mailbox {
+	__le32 cnt_send_ok; /* fw send mailbox ok counter */
+	__le32 cnt_send_fail; /* fw send mailbox fail counter */
+	__le32 cnt_recv; /* fw recv mailbox counter */
+	struct rtw89_btc_fbtc_rpt_ctrl_a2dp_empty a2dp;
+} __packed;
+
+struct rtw89_btc_fbtc_rpt_ctrl_v1 {
+	u8 fver;
+	u8 rsvd;
+	__le16 rsvd1;
+	struct rtw89_btc_fbtc_rpt_ctrl_info rpt_info;
+	struct rtw89_btc_fbtc_rpt_ctrl_wl_fw_info wl_fw_info;
+	struct rtw89_btc_fbtc_rpt_ctrl_bt_mailbox bt_mbx_info;
+	__le32 bt_cnt[BTC_BCNT_STA_MAX];
+	struct rtw89_mac_ax_gnt gnt_val[RTW89_PHY_MAX];
+} __packed;
+
 enum rtw89_fbtc_ext_ctrl_type {
 	CXECTL_OFF = 0x0, /* tdma off */
 	CXECTL_B2 = 0x1, /* allow B2 (beacon-early) */
@@ -1706,7 +1756,10 @@ struct rtw89_btc_rpt_cmn_info {
 
 struct rtw89_btc_report_ctrl_state {
 	struct rtw89_btc_rpt_cmn_info cinfo; /* common info, by driver */
-	struct rtw89_btc_fbtc_rpt_ctrl finfo; /* info from fw */
+	union {
+		struct rtw89_btc_fbtc_rpt_ctrl finfo; /* info from fw for 52A*/
+		struct rtw89_btc_fbtc_rpt_ctrl_v1 finfo_v1; /* info from fw for 52C*/
+	};
 };
 
 struct rtw89_btc_rpt_fbtc_tdma {

drivers/net/wireless/realtek/rtw89/rtw8852c.c

@@ -2793,23 +2793,7 @@ void rtw8852c_btc_bt_aci_imp(struct rtw89_dev *rtwdev)
 static
 void rtw8852c_btc_update_bt_cnt(struct rtw89_dev *rtwdev)
 {
-	struct rtw89_btc *btc = &rtwdev->btc;
-	struct rtw89_btc_cx *cx = &btc->cx;
-	u32 val;
-
-	val = rtw89_read32(rtwdev, R_BTC_BT_CNT_HIGH);
-	cx->cnt_bt[BTC_BCNT_HIPRI_TX] = FIELD_GET(B_AX_STATIS_BT_HI_TX_MASK, val);
-	cx->cnt_bt[BTC_BCNT_HIPRI_RX] = FIELD_GET(B_AX_STATIS_BT_HI_RX_MASK, val);
-
-	val = rtw89_read32(rtwdev, R_BTC_BT_CNT_LOW);
-	cx->cnt_bt[BTC_BCNT_LOPRI_TX] = FIELD_GET(B_AX_STATIS_BT_LO_TX_1_MASK, val);
-	cx->cnt_bt[BTC_BCNT_LOPRI_RX] = FIELD_GET(B_AX_STATIS_BT_LO_RX_1_MASK, val);
-
-	/* clock-gate off before reset counter*/
-	rtw89_write32_set(rtwdev, R_AX_BTC_CFG, B_AX_DIS_BTC_CLK_G);
-	rtw89_write32_clr(rtwdev, R_AX_BT_CNT_CFG, B_AX_BT_CNT_RST);
-	rtw89_write32_set(rtwdev, R_AX_BT_CNT_CFG, B_AX_BT_CNT_RST);
-	rtw89_write32_clr(rtwdev, R_AX_BTC_CFG, B_AX_DIS_BTC_CLK_G);
+	/* Feature move to firmware */
 }
 
 static