cnss2: Send QMI message to download TME-L patch

Send QMI message with TME-L patch information to WLAN FW, to
download TME-L patch.

Change-Id: Ieae07c0f761ada45ffcb990b1412654b9c6862b1
CRs-Fixed: 3521187

cnss2/bus.c

@@ -139,6 +139,21 @@ void cnss_bus_add_fw_prefix_name(struct cnss_plat_data *plat_priv,
 	}
 }
 
+int cnss_bus_load_tme_patch(struct cnss_plat_data *plat_priv)
+{
+	if (!plat_priv)
+		return -ENODEV;
+
+	switch (plat_priv->bus_type) {
+	case CNSS_BUS_PCI:
+		return cnss_pci_load_tme_patch(plat_priv->bus_priv);
+	default:
+		cnss_pr_err("Unsupported bus type: %d\n",
+			    plat_priv->bus_type);
+		return -EINVAL;
+	}
+}
+
 int cnss_bus_load_m3(struct cnss_plat_data *plat_priv)
 {
 	if (!plat_priv)

cnss2/bus.h

@@ -21,6 +21,7 @@ int cnss_bus_init(struct cnss_plat_data *plat_priv);
 void cnss_bus_deinit(struct cnss_plat_data *plat_priv);
 void cnss_bus_add_fw_prefix_name(struct cnss_plat_data *plat_priv,
 				 char *prefix_name, char *name);
+int cnss_bus_load_tme_patch(struct cnss_plat_data *plat_priv);
 int cnss_bus_load_m3(struct cnss_plat_data *plat_priv);
 int cnss_bus_load_aux(struct cnss_plat_data *plat_priv);
 int cnss_bus_handle_dev_sol_irq(struct cnss_plat_data *plat_priv);

cnss2/main.c

@@ -842,6 +842,11 @@ static int cnss_fw_mem_ready_hdlr(struct cnss_plat_data *plat_priv)
 	if (ret)
 		goto out;
 
+	cnss_bus_load_tme_patch(plat_priv);
+
+	cnss_wlfw_tme_patch_dnld_send_sync(plat_priv,
+					   WLFW_TME_LITE_PATCH_FILE_V01);
+
 	if (plat_priv->hds_enabled)
 		cnss_wlfw_bdf_dnld_send_sync(plat_priv, CNSS_BDF_HDS);
 

cnss2/main.h

@@ -548,6 +548,7 @@ struct cnss_plat_data {
 	u32 fw_mem_seg_len;
 	struct cnss_fw_mem fw_mem[QMI_WLFW_MAX_NUM_MEM_SEG_V01];
 	struct cnss_fw_mem m3_mem;
+	struct cnss_fw_mem tme_lite_mem;
 	struct cnss_fw_mem *cal_mem;
 	struct cnss_fw_mem aux_mem;
 	u64 cal_time;

cnss2/pci.c

@@ -49,6 +49,7 @@
 #define DEFAULT_PHY_M3_FILE_NAME	"m3.bin"
 #define DEFAULT_AUX_FILE_NAME		"aux_ucode.elf"
 #define DEFAULT_PHY_UCODE_FILE_NAME	"phy_ucode.elf"
+#define TME_PATCH_FILE_NAME		"tmel_patch.elf"
 #define PHY_UCODE_V2_FILE_NAME		"phy_ucode20.elf"
 #define DEFAULT_FW_FILE_NAME		"amss.bin"
 #define FW_V2_FILE_NAME			"amss20.bin"
@@ -4762,6 +4763,78 @@ void cnss_pci_free_qdss_mem(struct cnss_pci_data *pci_priv)
 	plat_priv->qdss_mem_seg_len = 0;
 }
 
+int cnss_pci_load_tme_patch(struct cnss_pci_data *pci_priv)
+{
+	struct cnss_plat_data *plat_priv = pci_priv->plat_priv;
+	struct cnss_fw_mem *tme_lite_mem = &plat_priv->tme_lite_mem;
+	char filename[MAX_FIRMWARE_NAME_LEN];
+	char *tme_patch_filename = NULL;
+	const struct firmware *fw_entry;
+	int ret = 0;
+
+	switch (pci_priv->device_id) {
+	case PEACH_DEVICE_ID:
+		tme_patch_filename = TME_PATCH_FILE_NAME;
+		break;
+	case QCA6174_DEVICE_ID:
+	case QCA6290_DEVICE_ID:
+	case QCA6390_DEVICE_ID:
+	case QCA6490_DEVICE_ID:
+	case KIWI_DEVICE_ID:
+	case MANGO_DEVICE_ID:
+	default:
+		cnss_pr_dbg("TME-L not supported for device ID: (0x%x)\n",
+			    pci_priv->device_id);
+		return 0;
+	}
+
+	if (!tme_lite_mem->va && !tme_lite_mem->size) {
+		cnss_pci_add_fw_prefix_name(pci_priv, filename,
+					    tme_patch_filename);
+
+		ret = firmware_request_nowarn(&fw_entry, filename,
+					      &pci_priv->pci_dev->dev);
+		if (ret) {
+			cnss_pr_err("Failed to load TME-L patch: %s, ret: %d\n",
+				    filename, ret);
+			return ret;
+		}
+
+		tme_lite_mem->va = dma_alloc_coherent(&pci_priv->pci_dev->dev,
+						fw_entry->size, &tme_lite_mem->pa,
+						GFP_KERNEL);
+		if (!tme_lite_mem->va) {
+			cnss_pr_err("Failed to allocate memory for M3, size: 0x%zx\n",
+				    fw_entry->size);
+			release_firmware(fw_entry);
+			return -ENOMEM;
+		}
+
+		memcpy(tme_lite_mem->va, fw_entry->data, fw_entry->size);
+		tme_lite_mem->size = fw_entry->size;
+		release_firmware(fw_entry);
+	}
+
+	return 0;
+}
+
+static void cnss_pci_free_tme_lite_mem(struct cnss_pci_data *pci_priv)
+{
+	struct cnss_plat_data *plat_priv = pci_priv->plat_priv;
+	struct cnss_fw_mem *tme_lite_mem = &plat_priv->tme_lite_mem;
+
+	if (tme_lite_mem->va && tme_lite_mem->size) {
+		cnss_pr_dbg("Freeing memory for TME patch, va: 0x%pK, pa: %pa, size: 0x%zx\n",
+			    tme_lite_mem->va, &tme_lite_mem->pa, tme_lite_mem->size);
+		dma_free_coherent(&pci_priv->pci_dev->dev, tme_lite_mem->size,
+				  tme_lite_mem->va, tme_lite_mem->pa);
+	}
+
+	tme_lite_mem->va = NULL;
+	tme_lite_mem->pa = 0;
+	tme_lite_mem->size = 0;
+}
+
 int cnss_pci_load_m3(struct cnss_pci_data *pci_priv)
 {
 	struct cnss_plat_data *plat_priv = pci_priv->plat_priv;
@@ -7123,6 +7196,7 @@ static void cnss_pci_remove(struct pci_dev *pci_dev)
 	clear_bit(CNSS_PCI_PROBE_DONE, &plat_priv->driver_state);
 	cnss_pci_unregister_driver_hdlr(pci_priv);
 	cnss_pci_free_aux_mem(pci_priv);
+	cnss_pci_free_tme_lite_mem(pci_priv);
 	cnss_pci_free_m3_mem(pci_priv);
 	cnss_pci_free_fw_mem(pci_priv);
 	cnss_pci_free_qdss_mem(pci_priv);

cnss2/pci.h

@@ -253,6 +253,7 @@ void cnss_pci_add_fw_prefix_name(struct cnss_pci_data *pci_priv,
 int cnss_pci_alloc_fw_mem(struct cnss_pci_data *pci_priv);
 int cnss_pci_alloc_qdss_mem(struct cnss_pci_data *pci_priv);
 void cnss_pci_free_qdss_mem(struct cnss_pci_data *pci_priv);
+int cnss_pci_load_tme_patch(struct cnss_pci_data *pci_priv);
 int cnss_pci_load_m3(struct cnss_pci_data *pci_priv);
 void cnss_pci_free_blob_mem(struct cnss_pci_data *pci_priv);
 int cnss_pci_load_aux(struct cnss_pci_data *pci_priv);

cnss2/qmi.c

@@ -1017,6 +1017,87 @@ err_req_fw:
 	return ret;
 }
 
+int cnss_wlfw_tme_patch_dnld_send_sync(struct cnss_plat_data *plat_priv,
+				       enum wlfw_tme_lite_file_type_v01 file)
+{
+	struct wlfw_tme_lite_info_req_msg_v01 *req;
+	struct wlfw_tme_lite_info_resp_msg_v01 *resp;
+	struct qmi_txn txn;
+	struct cnss_fw_mem *tme_lite_mem = &plat_priv->tme_lite_mem;
+	int ret = 0;
+
+	cnss_pr_dbg("Sending TME patch information message, state: 0x%lx\n",
+		    plat_priv->driver_state);
+
+	if (plat_priv->device_id != PEACH_DEVICE_ID)
+		return 0;
+
+	req = kzalloc(sizeof(*req), GFP_KERNEL);
+	if (!req)
+		return -ENOMEM;
+
+	resp = kzalloc(sizeof(*resp), GFP_KERNEL);
+	if (!resp) {
+		kfree(req);
+		return -ENOMEM;
+	}
+
+	if (!tme_lite_mem->pa || !tme_lite_mem->size) {
+		cnss_pr_err("Memory for TME patch is not available\n");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	cnss_pr_dbg("TME-L patch memory, va: 0x%pK, pa: %pa, size: 0x%zx\n",
+		    tme_lite_mem->va, &tme_lite_mem->pa, tme_lite_mem->size);
+
+	req->tme_file = file;
+	req->addr = plat_priv->tme_lite_mem.pa;
+	req->size = plat_priv->tme_lite_mem.size;
+
+	ret = qmi_txn_init(&plat_priv->qmi_wlfw, &txn,
+			   wlfw_tme_lite_info_resp_msg_v01_ei, resp);
+	if (ret < 0) {
+		cnss_pr_err("Failed to initialize txn for TME patch information request, err: %d\n",
+			    ret);
+		goto out;
+	}
+
+	ret = qmi_send_request(&plat_priv->qmi_wlfw, NULL, &txn,
+			       QMI_WLFW_TME_LITE_INFO_REQ_V01,
+			       WLFW_TME_LITE_INFO_REQ_MSG_V01_MAX_MSG_LEN,
+			       wlfw_tme_lite_info_req_msg_v01_ei, req);
+	if (ret < 0) {
+		qmi_txn_cancel(&txn);
+		cnss_pr_err("Failed to send TME patch information request, err: %d\n",
+			    ret);
+		goto out;
+	}
+
+	ret = qmi_txn_wait(&txn, QMI_WLFW_TIMEOUT_JF);
+	if (ret < 0) {
+		cnss_pr_err("Failed to wait for response of TME patch information request, err: %d\n",
+			    ret);
+		goto out;
+	}
+
+	if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
+		cnss_pr_err("TME patch information request failed, result: %d, err: %d\n",
+			    resp->resp.result, resp->resp.error);
+		ret = -resp->resp.result;
+		goto out;
+	}
+
+	kfree(req);
+	kfree(resp);
+	return 0;
+
+out:
+	kfree(req);
+	kfree(resp);
+	return ret;
+}
+
 int cnss_wlfw_m3_dnld_send_sync(struct cnss_plat_data *plat_priv)
 {
 	struct wlfw_m3_info_req_msg_v01 *req;

cnss2/qmi.h

@@ -44,6 +44,8 @@ int cnss_wlfw_respond_mem_send_sync(struct cnss_plat_data *plat_priv);
 int cnss_wlfw_tgt_cap_send_sync(struct cnss_plat_data *plat_priv);
 int cnss_wlfw_bdf_dnld_send_sync(struct cnss_plat_data *plat_priv,
 				 u32 bdf_type);
+int cnss_wlfw_tme_patch_dnld_send_sync(struct cnss_plat_data *plat_priv,
+				       enum wlfw_tme_lite_file_type_v01 file);
 int cnss_wlfw_m3_dnld_send_sync(struct cnss_plat_data *plat_priv);
 int cnss_wlfw_aux_dnld_send_sync(struct cnss_plat_data *plat_priv);
 int cnss_wlfw_wlan_mode_send_sync(struct cnss_plat_data *plat_priv,