qcacmn: Move HTT usage from core DP

Remove dereferencing of htt_soc structure from dp layer
and instead use HTT APIs.

Change-Id: I6b796f9b6504c763e6df2cf49b15bf3eecfbdf69
CRs-Fixed: 2483401

dp/wifi3.0/dp_htt.c

@@ -3130,6 +3130,31 @@ int htt_soc_attach_target(void *htt_soc)
 	return htt_h2t_ver_req_msg(soc);
 }
 
+void htt_set_htc_handle(struct htt_soc *htt_soc, HTC_HANDLE htc_soc)
+{
+	htt_soc->htc_soc = htc_soc;
+}
+
+HTC_HANDLE htt_get_htc_handle(struct htt_soc *htt_soc)
+{
+	return htt_soc->htc_soc;
+}
+
+struct htt_soc *htt_soc_attach(struct dp_soc *soc, HTC_HANDLE htc_handle)
+{
+	struct htt_soc *htt_soc = NULL;
+
+	htt_soc = qdf_mem_malloc(sizeof(*htt_soc));
+	if (!htt_soc) {
+		dp_err("HTT attach failed");
+		return NULL;
+	}
+	htt_soc->dp_soc = soc;
+	htt_soc->htc_soc = htc_handle;
+	HTT_TX_MUTEX_INIT(&htt_soc->htt_tx_mutex);
+
+	return htt_soc;
+}
 
 #if defined(WDI_EVENT_ENABLE) && !defined(REMOVE_PKT_LOG)
 /*
@@ -3592,8 +3617,6 @@ QDF_STATUS htt_soc_htc_prealloc(struct htt_soc *soc)
 {
 	int i;
 
-	HTT_TX_MUTEX_INIT(&soc->htt_tx_mutex);
-
 	soc->htt_htc_pkt_freelist = NULL;
 	/* pre-allocate some HTC_PACKET objects */
 	for (i = 0; i < HTT_HTC_PKT_POOL_INIT_SIZE; i++) {

dp/wifi3.0/dp_htt.h

@@ -221,6 +221,32 @@ void *
 htt_soc_initialize(void *htt_soc, void *ctrl_psoc, HTC_HANDLE htc_soc,
 		   void *hal_soc, qdf_device_t osdev);
 
+/*
+ * htt_soc_attach() - attach DP and HTT SOC
+ * @soc: DP SOC handle
+ * @htc_hdl: HTC handle
+ *
+ * Return: htt_soc handle on Success, NULL on Failure
+ */
+struct htt_soc *htt_soc_attach(struct dp_soc *soc, HTC_HANDLE htc_hdl);
+
+/*
+ * htt_set_htc_handle_() - set HTC handle
+ * @htt_hdl: HTT handle/SOC
+ * @htc_soc: HTC handle
+ *
+ * Return: None
+ */
+void htt_set_htc_handle(struct htt_soc *htt_hdl, HTC_HANDLE htc_soc);
+
+/*
+ * htt_get_htc_handle_() - set HTC handle
+ * @htt_hdl: HTT handle/SOC
+ *
+ * Return: HTC_HANDLE
+ */
+HTC_HANDLE htt_get_htc_handle(struct htt_soc *htt_hdl);
+
 /*
  * htt_soc_htc_dealloc() - HTC memory de-alloc
  * @htt_soc: SOC level HTT handle

dp/wifi3.0/dp_main.c

@@ -45,8 +45,8 @@
 #include "dp_peer.h"
 #include "dp_rx_mon.h"
 #include "htt_stats.h"
-#include "htt_ppdu_stats.h"
 #include "dp_htt.h"
+#include "htt_ppdu_stats.h"
 #include "qdf_mem.h"   /* qdf_mem_malloc,free */
 #include "cfg_ucfg_api.h"
 #ifdef QCA_LL_TX_FLOW_CONTROL_V2
@@ -9482,7 +9482,7 @@ dp_soc_attach(void *ctrl_psoc, HTC_HANDLE htc_handle, qdf_device_t qdf_osdev,
 {
 	int int_ctx;
 	struct dp_soc *soc =  NULL;
-	struct htt_soc *htt_soc = NULL;
+	struct htt_soc *htt_soc;
 
 	soc = qdf_mem_malloc(sizeof(*soc));
 
@@ -9506,21 +9506,19 @@ dp_soc_attach(void *ctrl_psoc, HTC_HANDLE htc_handle, qdf_device_t qdf_osdev,
 		dp_err("wlan_cfg_ctx failed\n");
 		goto fail1;
 	}
-	htt_soc = qdf_mem_malloc(sizeof(*htt_soc));
-	if (!htt_soc) {
-		dp_err("HTT attach failed");
+	htt_soc = htt_soc_attach(soc, htc_handle);
+
+	if (!htt_soc)
 		goto fail1;
-	}
+
 	soc->htt_handle = htt_soc;
-	htt_soc->dp_soc = soc;
-	htt_soc->htc_soc = htc_handle;
 
 	if (htt_soc_htc_prealloc(htt_soc) != QDF_STATUS_SUCCESS)
 		goto fail2;
 
 	return (void *)soc;
 fail2:
-	qdf_mem_free(htt_soc);
+	htt_soc_detach(htt_soc);
 fail1:
 	qdf_mem_free(soc);
 fail0:
@@ -9539,16 +9537,17 @@ void *dp_soc_init(void *dpsoc, HTC_HANDLE htc_handle, void *hif_handle)
 {
 	int target_type;
 	struct dp_soc *soc = (struct dp_soc *)dpsoc;
-	struct htt_soc *htt_soc = (struct htt_soc *)soc->htt_handle;
+	struct htt_soc *htt_soc = soc->htt_handle;
 
-	htt_soc->htc_soc = htc_handle;
+	htt_set_htc_handle(htt_soc, htc_handle);
 	soc->hif_handle = hif_handle;
 
 	soc->hal_soc = hif_get_hal_handle(soc->hif_handle);
 	if (!soc->hal_soc)
 		return NULL;
 
-	htt_soc_initialize(soc->htt_handle, soc->ctrl_psoc, htt_soc->htc_soc,
+	htt_soc_initialize(soc->htt_handle, soc->ctrl_psoc,
+			   htt_get_htc_handle(htt_soc),
 			   soc->hal_soc, soc->osdev);
 	target_type = hal_get_target_type(soc->hal_soc);
 	switch (target_type) {

dp/wifi3.0/dp_types.h

@@ -838,7 +838,7 @@ struct dp_soc {
 	struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx;
 
 	/* HTT handle for host-fw interaction */
-	void *htt_handle;
+	struct htt_soc *htt_handle;
 
 	/* Commint init done */
 	qdf_atomic_t cmn_init_done;