qcacmn: Register API to handle rate2power table update response event

Add APIs to register and unregister the handler of rate2power table update
response event received from target. Add the handler API
tgt_rate_to_power_complete_handler to extract the response event
parameters from WMI.

Change-Id: I462abd8a333c74b943a04c62096da647ab667adc
CRs-Fixed: 3405417

target_if/regulatory/src/target_if_reg.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2017-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  *
  * Permission to use, copy, modify, and/or distribute this software for
@@ -1270,6 +1270,121 @@ static bool tgt_if_reg_is_chip_11be_cap(struct wlan_objmgr_psoc *psoc,
 }
 #endif
 
+static int
+tgt_rate_to_power_complete_handler(ol_scn_t handle, uint8_t *event_buf,
+				   uint32_t len)
+{
+	int ret_val = 0;
+	struct wlan_objmgr_psoc *psoc;
+	struct wlan_lmac_if_reg_rx_ops *reg_rx_ops;
+	QDF_STATUS status;
+	struct wmi_unified *wmi_handle;
+	struct r2p_table_update_status_obj *update_status_obj = NULL;
+	uint32_t pdev_id;
+
+	TARGET_IF_ENTER();
+
+	psoc = target_if_get_psoc_from_scn_hdl(handle);
+	if (!psoc) {
+		target_if_err("psoc ptr is NULL");
+		ret_val = -EINVAL;
+		goto clean;
+	}
+
+	reg_rx_ops = target_if_regulatory_get_rx_ops(psoc);
+	if (!reg_rx_ops) {
+		target_if_err("reg_rx_ops is NULL");
+		ret_val = -EINVAL;
+		goto clean;
+	}
+
+	if (!reg_rx_ops->reg_r2p_table_update_response_handler) {
+		target_if_err("reg_r2p_table_update_response_handler is NULL");
+		ret_val = -EINVAL;
+		goto clean;
+	}
+
+	wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
+	if (!wmi_handle) {
+		target_if_err("invalid wmi handle");
+		ret_val = -EINVAL;
+		goto clean;
+	}
+
+	update_status_obj = qdf_mem_malloc(sizeof(*update_status_obj));
+	if (!update_status_obj) {
+		ret_val = -ENOMEM;
+		goto clean;
+	}
+
+	status = wmi_extract_tgtr2p_table_event(wmi_handle, event_buf,
+						update_status_obj, len);
+	if (!QDF_IS_STATUS_SUCCESS(status)) {
+		target_if_err("Extraction of r2p update response event failed");
+		ret_val = -EFAULT;
+		goto clean;
+	}
+
+	pdev_id = update_status_obj->pdev_id;
+	status = reg_rx_ops->reg_r2p_table_update_response_handler(psoc,
+								   pdev_id);
+	if (!QDF_IS_STATUS_SUCCESS(status)) {
+		target_if_err("Failed to process r2p update response");
+		ret_val = -EFAULT;
+		goto clean;
+	}
+clean:
+	qdf_mem_free(update_status_obj);
+	TARGET_IF_EXIT();
+
+	return ret_val;
+}
+
+/**
+ * tgt_if_regulatory_register_rate2power_table_update_handler() - Register
+ * rate2power table update handler
+ * @psoc: Pointer to psoc
+ * @arg: Pointer to argument list
+ *
+ * Return: QDF_STATUS
+ */
+static QDF_STATUS
+tgt_if_regulatory_register_rate2power_table_update_handler(
+						struct wlan_objmgr_psoc *psoc,
+						void *arg)
+{
+	wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
+
+	if (!wmi_handle)
+		return QDF_STATUS_E_FAILURE;
+
+	return wmi_unified_register_event_handler(
+			wmi_handle, wmi_pdev_set_tgtr2p_table_eventid,
+			tgt_rate_to_power_complete_handler, WMI_RX_WORK_CTX);
+}
+
+/**
+ * tgt_if_regulatory_register_rate2power_table_update_handler() - Unregister
+ * rate2power table update handler
+ * @psoc: Pointer to psoc
+ * @arg: Pointer to argument list
+ *
+ * Return: QDF_STATUS
+ */
+static QDF_STATUS
+tgt_if_regulatory_unregister_rate2power_table_update_handler(
+						struct wlan_objmgr_psoc *psoc,
+						void *arg)
+{
+	wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
+
+	if (!wmi_handle)
+		return QDF_STATUS_E_FAILURE;
+
+	return wmi_unified_unregister_event_handler(
+			wmi_handle, wmi_pdev_set_tgtr2p_table_eventid);
+}
+
 QDF_STATUS target_if_register_regulatory_tx_ops(
 		struct wlan_lmac_if_tx_ops *tx_ops)
 {
@@ -1331,5 +1446,13 @@ QDF_STATUS target_if_register_regulatory_tx_ops(
 
 	reg_ops->is_chip_11be = tgt_if_reg_is_chip_11be_cap;
 
+	reg_ops->register_rate2power_table_update_event_handler =
+		tgt_if_regulatory_register_rate2power_table_update_handler;
+
+	reg_ops->unregister_rate2power_table_update_event_handler =
+		tgt_if_regulatory_unregister_rate2power_table_update_handler;
+
+	reg_ops->end_r2p_table_update_wait = NULL;
+
 	return QDF_STATUS_SUCCESS;
 }