qcacld-2.0: Add support for dynamically disable BT/WLAN time coex

For 3 antennas solution, BT/WLAN can work on it's dedicated
antenna. Add one ini item to dynamically disable BT/WLAN
co-existing. Add another ini item to set antenna isolation,
FW will use the isolation to dynamically decide whether to
disable BT/WLAN time division co-existing.

CRs-fixed: 1020123
Change-Id: I175f984a1bdb0c0f245c60f32bcc5af8ea1802a7

4 files changed, 83 insertions, 0 deletions

diff --git a/CORE/HDD/inc/wlan_hdd_cfg.h b/CORE/HDD/inc/wlan_hdd_cfg.h
index 5c13303563e7..55ead60a0f10 100644
--- a/CORE/HDD/inc/wlan_hdd_cfg.h
+++ b/CORE/HDD/inc/wlan_hdd_cfg.h
@@ -3397,6 +3397,26 @@ enum dot11p_mode {
 #define CFG_BTC_WLAN_INTERVAL_PAGE_SAP_MAX       (200)
 #define CFG_BTC_WLAN_INTERVAL_PAGE_SAP_DEFAULT   (30)
 
+/**
+ * Config to set BT WLAN co-existing
+ * 0: enable BT WLAN co-existing
+ * 1: dynamically disable BT WLAN co-existing
+ */
+#define CFG_BTC_DYNAMIC_WLAN_BT_COEX           "gDynamicBTCOEX"
+#define CFG_BTC_DYNAMIC_WLAN_BT_COEX_MIN       (0)
+#define CFG_BTC_DYNAMIC_WLAN_BT_COEX_MAX       (1)
+#define CFG_BTC_DYNAMIC_WLAN_BT_COEX_DEFAULT   (0)
+
+/**
+ * Config to set antenna isolation
+ * range: 0 - 100 db
+ * default: 0 db
+ */
+#define CFG_BTC_ANTENNA_ISOLATION           "gAntennaIsolation"
+#define CFG_BTC_ANTENNA_ISOLATION_MIN       (0)
+#define CFG_BTC_ANTENNA_ISOLATION_MAX       (100)
+#define CFG_BTC_ANTENNA_ISOLATION_DEFAULT   (0)
+
 
 /* Parameters for roaming scans performed at high RSSI */
 
@@ -4576,6 +4596,8 @@ struct hdd_config {
 
    uint32_t                    coex_page_sap_bt_interval;
    uint32_t                    coex_page_sap_wlan_interval;
+   uint32_t                    dynamic_wlan_bt_coex;
+   uint32_t                    antenna_isolation;
 
    uint8_t                     inform_bss_rssi_raw;
 #ifdef WLAN_FEATURE_TSF
diff --git a/CORE/HDD/src/wlan_hdd_cfg.c b/CORE/HDD/src/wlan_hdd_cfg.c
index cbb0bf8b4310..af88009372fb 100644
--- a/CORE/HDD/src/wlan_hdd_cfg.c
+++ b/CORE/HDD/src/wlan_hdd_cfg.c
@@ -4197,6 +4197,20 @@ REG_TABLE_ENTRY g_registry_table[] =
                 CFG_BTC_WLAN_INTERVAL_PAGE_SAP_MIN,
                 CFG_BTC_WLAN_INTERVAL_PAGE_SAP_MAX),
 
+   REG_VARIABLE(CFG_BTC_DYNAMIC_WLAN_BT_COEX, WLAN_PARAM_Integer,
+                hdd_config_t, dynamic_wlan_bt_coex,
+                VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
+                CFG_BTC_DYNAMIC_WLAN_BT_COEX_DEFAULT,
+                CFG_BTC_DYNAMIC_WLAN_BT_COEX_MIN,
+                CFG_BTC_DYNAMIC_WLAN_BT_COEX_MAX),
+
+   REG_VARIABLE(CFG_BTC_ANTENNA_ISOLATION, WLAN_PARAM_Integer,
+                hdd_config_t, antenna_isolation,
+                VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
+                CFG_BTC_ANTENNA_ISOLATION_DEFAULT,
+                CFG_BTC_ANTENNA_ISOLATION_MIN,
+                CFG_BTC_ANTENNA_ISOLATION_MAX),
+
    REG_VARIABLE(CFG_INFORM_BSS_RSSI_RAW_NAME, WLAN_PARAM_Integer,
                 hdd_config_t, inform_bss_rssi_raw,
                 VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
@@ -7902,4 +7916,10 @@ void hdd_set_btc_bt_wlan_interval(hdd_context_t *hdd_ctx)
 		if (VOS_STATUS_SUCCESS != status)
 			hddLog(LOGE, "Fail to set coex page sap bt interval parameters");
 	}
+
+	status = sme_set_btc_dynamic_bt_wlan_coex(
+		config->dynamic_wlan_bt_coex, config->antenna_isolation);
+
+	if (VOS_STATUS_SUCCESS != status)
+		hddLog(LOGE, "Fail to set enable bt wlan coex parameters");
 }
diff --git a/CORE/SME/inc/sme_Api.h b/CORE/SME/inc/sme_Api.h
index 02a42b743ccf..6d2e201679e5 100644
--- a/CORE/SME/inc/sme_Api.h
+++ b/CORE/SME/inc/sme_Api.h
@@ -4460,6 +4460,8 @@ VOS_STATUS sme_set_btc_bt_wlan_interval_page_sta(uint32_t bt_interval,
 					uint32_t sta_interval);
 VOS_STATUS sme_set_btc_bt_wlan_interval_page_sap(uint32_t bt_interval,
 					uint32_t sap_interval);
+VOS_STATUS sme_set_btc_dynamic_bt_wlan_coex(uint32_t dynamic_wlan_bt_coex,
+					uint32_t antenna_isolation);
 
 uint8_t    sme_is_any_session_in_connected_state(tHalHandle h_hal);
 
diff --git a/CORE/SME/src/sme_common/sme_Api.c b/CORE/SME/src/sme_common/sme_Api.c
index 7e74be03beb5..30438b7470d7 100644
--- a/CORE/SME/src/sme_common/sme_Api.c
+++ b/CORE/SME/src/sme_common/sme_Api.c
@@ -18903,6 +18903,45 @@ VOS_STATUS sme_set_btc_bt_wlan_interval_page_sap(uint32_t bt_interval,
 }
 
 /**
+ * sme_set_btc_bt_wlan_coex() - Set the btc bt wlan coex
+ * @dynamic_wlan_bt_coex: enable bt wlan co-exist
+ *
+ * Return: Return VOS_STATUS.
+ */
+VOS_STATUS sme_set_btc_dynamic_bt_wlan_coex(uint32_t dynamic_wlan_bt_coex,
+						uint32_t antenna_isolation)
+{
+	vos_msg_t msg = {0};
+	VOS_STATUS vos_status;
+	WMI_COEX_CONFIG_CMD_fixed_param *sme_interval;
+
+	sme_interval = vos_mem_malloc(sizeof(*sme_interval));
+	if (!sme_interval) {
+		VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR,
+			  FL("Malloc failed"));
+		return VOS_STATUS_E_NOMEM;
+	}
+
+	sme_interval->config_type = WMI_COEX_CONFIG_BTC_ENABLE;
+	sme_interval->config_arg1 = dynamic_wlan_bt_coex;
+	sme_interval->config_arg2 = antenna_isolation;
+
+	msg.type = WDA_BTC_BT_WLAN_INTERVAL_CMD;
+	msg.reserved = 0;
+	msg.bodyptr = sme_interval;
+
+	vos_status = vos_mq_post_message(VOS_MODULE_ID_WDA,&msg);
+	if (!VOS_IS_STATUS_SUCCESS(vos_status)) {
+		VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR,
+			  FL("Not able to post message to WDA"));
+		vos_mem_free(sme_interval);
+		return VOS_STATUS_E_FAILURE;
+	}
+
+	return vos_status;
+}
+
+/**
  * sme_send_disassoc_req_frame - send disassoc req
  * @hal: handler to hal
  * @session_id: session id