msm:ipa:mhi: send qmi endp_desc notification to Q6

Whenever 2 new low latency pipes setup/enable, we need to send the qmi
endp_desc notification to Q6.

Change-Id: I708c6586a4d625f9308b514abd250a48d59d19f2
Signed-off-by: Bojun Pan <[email protected]>

drivers/platform/msm/ipa/ipa_v3/ipa_mhi.c

@@ -54,8 +54,8 @@
 #define IPA_MHI_FUNC_EXIT() \
 	IPA_MHI_DBG("EXIT\n")
 
-#define IPA_MHI_MAX_UL_CHANNELS 1
-#define IPA_MHI_MAX_DL_CHANNELS 2
+#define IPA_MHI_MAX_UL_CHANNELS 2
+#define IPA_MHI_MAX_DL_CHANNELS 3
 
 /* bit #40 in address should be asserted for MHI transfers over pcie */
 #define IPA_MHI_HOST_ADDR_COND(addr) \
@@ -101,6 +101,33 @@ bool ipa3_mhi_stop_gsi_channel(enum ipa_client_type client)
 }
 EXPORT_SYMBOL(ipa3_mhi_stop_gsi_channel);
 
+static int ipa3_mhi_send_endp_ind_to_modem(void)
+{
+	struct ipa_endp_desc_indication_msg_v01 req;
+	struct ipa_ep_id_type_v01 *ep_info;
+	int ipa_mhi_prod_ep_idx =
+		ipa3_get_ep_mapping(IPA_CLIENT_MHI_LOW_LAT_PROD);
+	int ipa_mhi_cons_ep_idx =
+		ipa3_get_ep_mapping(IPA_CLIENT_MHI_LOW_LAT_CONS);
+
+	memset(&req, 0, sizeof(struct ipa_endp_desc_indication_msg_v01));
+	req.ep_info_len = 2;
+	req.ep_info_valid = true;
+	req.num_eps_valid = true;
+	req.num_eps = 2;
+	ep_info = &req.ep_info[0];
+	ep_info->ep_id = ipa_mhi_cons_ep_idx;
+	ep_info->ic_type = DATA_IC_TYPE_MHI_V01;
+	ep_info->ep_type = DATA_EP_DESC_TYPE_EMB_FLOW_CTL_PROD_V01;
+	ep_info->ep_status = DATA_EP_STATUS_CONNECTED_V01;
+	ep_info = &req.ep_info[1];
+	ep_info->ep_id = ipa_mhi_prod_ep_idx;
+	ep_info->ic_type = DATA_IC_TYPE_MHI_V01;
+	ep_info->ep_type = DATA_EP_DESC_TYPE_EMB_FLOW_CTL_CONS_V01;
+	ep_info->ep_status = DATA_EP_STATUS_CONNECTED_V01;
+	return ipa3_qmi_send_endp_desc_indication(&req);
+}
+
 static int ipa3_mhi_reset_gsi_channel(enum ipa_client_type client)
 {
 	int res;
@@ -515,6 +542,10 @@ int ipa3_connect_mhi_pipe(struct ipa_mhi_connect_params_internal *in,
 	int ipa_ep_idx;
 	int res;
 	enum ipa_client_type client;
+	int ipa_mhi_prod_ep_idx =
+		ipa3_get_ep_mapping(IPA_CLIENT_MHI_LOW_LAT_PROD);
+	int ipa_mhi_cons_ep_idx =
+		ipa3_get_ep_mapping(IPA_CLIENT_MHI_LOW_LAT_CONS);
 
 	IPA_MHI_FUNC_ENTRY();
 
@@ -560,6 +591,14 @@ int ipa3_connect_mhi_pipe(struct ipa_mhi_connect_params_internal *in,
 	ipa3_ctx->skip_ep_cfg_shadow[ipa_ep_idx] = ep->skip_ep_cfg;
 	IPA_MHI_DBG("client %d (ep: %d) connected\n", client, ipa_ep_idx);
 
+	if ((client == IPA_CLIENT_MHI_LOW_LAT_PROD ||
+		client == IPA_CLIENT_MHI_LOW_LAT_CONS) &&
+		ipa_mhi_prod_ep_idx != -1 &&
+		ipa3_ctx->ep[ipa_mhi_prod_ep_idx].valid &&
+		ipa_mhi_cons_ep_idx != -1 &&
+		ipa3_ctx->ep[ipa_mhi_cons_ep_idx].valid)
+		ipa3_mhi_send_endp_ind_to_modem();
+
 	IPA_MHI_FUNC_EXIT();
 
 	return 0;

drivers/platform/msm/ipa/ipa_v3/ipa_qmi_service.c

@@ -2241,7 +2241,7 @@ int ipa3_qmi_send_mhi_cleanup_request(struct ipa_mhi_cleanup_req_msg_v01 *req)
 		resp.resp.error, "ipa_mhi_cleanup_req_msg");
 }
 
-int ipa3_qmi_send_wan_pipe_indication(
+int ipa3_qmi_send_endp_desc_indication(
 	struct ipa_endp_desc_indication_msg_v01 *req)
 {
 	IPAWANDBG("Sending QMI_IPA_ENDP_DESC_INDICATION_V01\n");

drivers/platform/msm/ipa/ipa_v3/ipa_qmi_service.h

@@ -334,7 +334,7 @@ int ipa3_qmi_get_per_client_packet_stats(
 int ipa3_qmi_send_mhi_ready_indication(
 	struct ipa_mhi_ready_indication_msg_v01 *req);
 
-int ipa3_qmi_send_wan_pipe_indication(
+int ipa3_qmi_send_endp_desc_indication(
 	struct ipa_endp_desc_indication_msg_v01 *req);
 
 int ipa3_qmi_send_mhi_cleanup_request(struct ipa_mhi_cleanup_req_msg_v01 *req);
@@ -480,7 +480,7 @@ static inline int ipa3_qmi_send_mhi_ready_indication(
 	return -EPERM;
 }
 
-static inline int ipa3_qmi_send_wan_pipe_indication(
+static inline int ipa3_qmi_send_endp_desc_indication(
 	struct ipa_endp_desc_indication_msg_v01 *req)
 {
 	return -EPERM;