qcacmn: Spectral control path changes

Add a new request structure for Specteral control path.
This structure packages all the commands and their
required inputs. Response to the commands are filled
in this structure by the command handlers in lower
layers.

CRs-Fixed: 2446466
Change-Id: I3113e8721382d284b4e03e0f8fdab1e68d5cfaa1

spectral/dispatcher/inc/wlan_spectral_public_structs.h

@@ -187,6 +187,20 @@ enum spectral_capability_type {
 	SPECTRAL_CAP_ADVNCD_SPECTRAL_SCAN,
 };
 
+/**
+ * enum spectral_cp_error_code - Spectral control path response code
+ * @SPECTRAL_SCAN_RESP_ERR_PARAM_UNSUPPORTED: parameter unsupported
+ * @SPECTRAL_SCAN_RESP_ERR_MODE_UNSUPPORTED: mode unsupported
+ * @SPECTRAL_SCAN_RESP_ERR_PARAM_INVALID_VALUE: invalid parameter value
+ * @SPECTRAL_SCAN_RESP_ERR_PARAM_NOT_INITIALIZED: parameter uninitialized
+ */
+enum spectral_cp_error_code {
+	SPECTRAL_SCAN_ERR_PARAM_UNSUPPORTED,
+	SPECTRAL_SCAN_ERR_MODE_UNSUPPORTED,
+	SPECTRAL_SCAN_ERR_PARAM_INVALID_VALUE,
+	SPECTRAL_SCAN_ERR_PARAM_NOT_INITIALIZED,
+};
+
 /**
  * struct spectral_chan_stats - channel status info
  * @cycle_count:         Cycle count
@@ -257,6 +271,97 @@ struct spectral_nl_cb {
 	void (*free_nbuff)(struct wlan_objmgr_pdev *pdev);
 };
 
+/**
+ * struct spectral_scan_config_request - Config request
+ * @sscan_config: Spectral parameters
+ * @sscan_err_code: Spectral scan error code
+ */
+struct spectral_scan_config_request {
+	struct spectral_config sscan_config;
+	enum spectral_cp_error_code sscan_err_code;
+};
+
+/**
+ * struct spectral_scan_action_request - Action request
+ * @sscan_err_code: Spectral scan error code
+ */
+struct spectral_scan_action_request {
+	enum spectral_cp_error_code sscan_err_code;
+};
+
+/**
+ * struct spectral_scan_get_caps_request - Get caps request
+ * @sscan_caps: Spectral capabilities
+ * @sscan_err_code: Spectral scan error code
+ */
+struct spectral_scan_get_caps_request {
+	struct spectral_caps sscan_caps;
+	enum spectral_cp_error_code sscan_err_code;
+};
+
+/**
+ * struct spectral_scan_get_diag_request - Get diag request
+ * @sscan_diag: Spectral diag stats
+ * @sscan_err_code: Spectral scan error code
+ */
+struct spectral_scan_get_diag_request {
+	struct spectral_diag_stats sscan_diag;
+	enum spectral_cp_error_code sscan_err_code;
+};
+
+/**
+ * struct spectral_scan_get_chan_width_request - Get channel width request
+ * @chan_width: Channel width
+ * @sscan_err_code: Spectral scan error code
+ */
+struct spectral_scan_get_chan_width_request {
+	uint32_t chan_width;
+	enum spectral_cp_error_code sscan_err_code;
+};
+
+/**
+ * struct spectral_scan_get_status_request - Get status request
+ * @is_active: is Spectral scan active
+ * @is_enabled: is Spectral scan enabled
+ * @sscan_err_code: Spectral scan error code
+ */
+struct spectral_scan_get_status_request {
+	bool is_active;
+	bool is_enabled;
+	enum spectral_cp_error_code sscan_err_code;
+};
+
+/**
+ * struct spectral_scan_debug_request - Get/set debug level request
+ * @spectral_dbg_level: Spectral debug level
+ * @sscan_err_code: Spectral scan error code
+ */
+struct spectral_scan_debug_request {
+	uint32_t spectral_dbg_level;
+	enum spectral_cp_error_code sscan_err_code;
+};
+
+/**
+ * struct spectral_cp_request - Spectral control path request
+ *                              Creating request and extracting response has to
+ *                              be atomic.
+ * @ss_mode: Spectral scan mode
+ * @req_id: Request identifier
+ */
+struct spectral_cp_request {
+	enum spectral_scan_mode ss_mode;
+	uint8_t req_id;
+	union {
+		struct spectral_scan_config_request config_req;
+		struct spectral_scan_action_request action_req;
+		struct spectral_scan_get_caps_request caps_req;
+		struct spectral_scan_get_diag_request diag_req;
+		struct spectral_scan_get_chan_width_request chan_width_req;
+		struct spectral_scan_get_status_request status_req;
+		struct spectral_scan_debug_request debug_req;
+	};
+};
+
 #ifndef __KERNEL__
 
 static inline int16_t