qcacmn: Add support for QCA6290 platform

Add support for QCA6290 platform and introduced an hif api to enable,
disable polled mode.

Change-Id: I16e210fef93251b33928788cf873117249c2d70f

hif/inc/hif.h

@@ -490,6 +490,9 @@ QDF_STATUS hif_diag_write_mem(struct hif_opaque_softc *hif_ctx,
 
 typedef void (*fastpath_msg_handler)(void *, qdf_nbuf_t *, uint32_t);
 
+void hif_enable_polled_mode(struct hif_opaque_softc *hif_ctx);
+bool hif_is_polled_mode_enabled(struct hif_opaque_softc *hif_ctx);
+
 /*
  * Set the FASTPATH_mode_on flag in sc, for use by data path
  */

hif/src/ce/ce_main.c

@@ -1214,7 +1214,8 @@ struct CE_handle *ce_init(struct hif_softc *scn,
 
 			/* epping */
 			/* poll timer */
-			if ((CE_state->attr_flags & CE_ATTR_ENABLE_POLL)) {
+			if ((CE_state->attr_flags & CE_ATTR_ENABLE_POLL) ||
+					scn->polled_mode_on) {
 				qdf_timer_init(scn->qdf_dev,
 						       &CE_state->poll_timer,
 						       ce_poll_timeout,
@@ -1274,6 +1275,14 @@ void hif_enable_fastpath(struct hif_opaque_softc *hif_ctx)
 	scn->fastpath_mode_on = true;
 }
 
+void hif_enable_polled_mode(struct hif_opaque_softc *hif_ctx)
+{
+	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);
+	HIF_DBG("%s, Enabling polled mode", __func__);
+
+	scn->polled_mode_on = true;
+}
+
 /**
  * hif_is_fastpath_mode_enabled - API to query if fasthpath mode is enabled
  * @hif_ctx: HIF Context
@@ -1289,6 +1298,13 @@ bool hif_is_fastpath_mode_enabled(struct hif_opaque_softc *hif_ctx)
 	return scn->fastpath_mode_on;
 }
 
+bool hif_is_polled_mode_enabled(struct hif_opaque_softc *hif_ctx)
+{
+	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);
+
+	return scn->polled_mode_on;
+}
+
 /**
  * hif_get_ce_handle - API to get CE handle for FastPath mode
  * @hif_ctx: HIF Context

hif/src/hif_main.h

@@ -168,6 +168,7 @@ struct hif_softc {
 	qdf_dma_addr_t paddr_rri_on_ddr;
 	int linkstate_vote;
 	bool fastpath_mode_on;
+	bool polled_mode_on;
 	atomic_t tasklet_from_intr;
 	int htc_htt_tx_endpoint;
 	qdf_dma_addr_t mem_pa;

hif/src/pcie/if_pci.c

@@ -3689,6 +3689,10 @@ int hif_configure_irq(struct hif_softc *scn)
 	struct hif_pci_softc *sc = HIF_GET_PCI_SOFTC(scn);
 
 	HIF_TRACE("%s: E", __func__);
+	if (scn->polled_mode_on) {
+		scn->request_irq_done = false;
+		return 0;
+	}
 
 	hif_init_reschedule_tasklet_work(sc);