qcacmn: Add support to extract FFT size capabilities

WMI_SPECTRAL_CAPABILITIES_EVENTID event will be sent by the FW to
indicate different capabilities of the Spectral HW.
Add support to extract the FFT size capabilities from this event.

Change-Id: I9640fa51e4249b9d1c2d9d3ac5da7f1d56c9d006
CRs-Fixed: 3098880

target_if/spectral/target_if_spectral.c

@@ -7101,6 +7101,45 @@ target_if_wmi_extract_spectral_scan_bw_caps(
 	return psoc_spectral->wmi_ops.extract_spectral_scan_bw_caps(
 			wmi_handle, evt_buf, bw_caps);
 }
+
+/**
+ * target_if_wmi_extract_spectral_fft_size_caps() - Wrapper function to
+ * extract fft size capabilities from Spectral capabilities WMI event
+ * @psoc: Pointer to psoc object
+ * @evt_buf: Event buffer
+ * @fft_size_caps: Data structure to be filled by this API after extraction
+ *
+ * Return: QDF_STATUS of operation
+ */
+QDF_STATUS
+target_if_wmi_extract_spectral_fft_size_caps(
+			struct wlan_objmgr_psoc *psoc,
+			uint8_t *evt_buf,
+			struct spectral_fft_size_capabilities *fft_size_caps)
+{
+	struct target_if_psoc_spectral *psoc_spectral;
+	wmi_unified_t wmi_handle;
+
+	if (!psoc) {
+		spectral_err("psoc is null");
+		return QDF_STATUS_E_INVAL;
+	}
+
+	wmi_handle = GET_WMI_HDL_FROM_PSOC(psoc);
+	if (!wmi_handle) {
+		spectral_err("WMI handle is null");
+		return QDF_STATUS_E_INVAL;
+	}
+
+	psoc_spectral = get_target_if_spectral_handle_from_psoc(psoc);
+	if (!psoc_spectral) {
+		spectral_err("spectral object is null");
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	return psoc_spectral->wmi_ops.extract_spectral_fft_size_caps(
+			wmi_handle, evt_buf, fft_size_caps);
+}
 #else
 /**
  * target_if_spectral_wmi_unified_register_event_handler() - Wrapper function to
@@ -7375,6 +7414,24 @@ target_if_wmi_extract_spectral_scan_bw_caps(
 
 	return wmi_extract_spectral_scan_bw_caps(wmi_handle, evt_buf, bw_caps);
 }
+
+QDF_STATUS
+target_if_wmi_extract_spectral_fft_size_caps(
+			struct wlan_objmgr_psoc *psoc,
+			uint8_t *evt_buf,
+			struct spectral_fft_size_capabilities *fft_size_caps)
+{
+	wmi_unified_t wmi_handle;
+
+	wmi_handle = GET_WMI_HDL_FROM_PSOC(psoc);
+	if (!wmi_handle) {
+		spectral_err("WMI handle is null");
+		return QDF_STATUS_E_INVAL;
+	}
+
+	return wmi_extract_spectral_fft_size_caps(wmi_handle, evt_buf,
+						  fft_size_caps);
+}
 #endif
 
 /**

target_if/spectral/target_if_spectral.h

@@ -946,6 +946,8 @@ struct vdev_spectral_enable_params;
  * capabilities event
  * @extract_spectral_scan_bw_caps: Extract bandwidth capabilities from Spectral
  * capabilities event
+ * @extract_spectral_fft_size_caps: Extract fft size capabilities from Spectral
+ * capabilities event
  */
 struct spectral_wmi_ops {
 	QDF_STATUS (*wmi_spectral_configure_cmd_send)(
@@ -985,6 +987,9 @@ struct spectral_wmi_ops {
 	QDF_STATUS (*extract_spectral_scan_bw_caps)(
 		wmi_unified_t wmi_handle, void *event,
 		struct spectral_scan_bw_capabilities *bw_caps);
+	QDF_STATUS (*extract_spectral_fft_size_caps)(
+		wmi_unified_t wmi_handle, void *event,
+		struct spectral_fft_size_capabilities *fft_size_caps);
 };
 
 /**
@@ -3021,4 +3026,20 @@ target_if_wmi_extract_spectral_scan_bw_caps(
 			struct wlan_objmgr_psoc *psoc,
 			uint8_t *evt_buf,
 			struct spectral_scan_bw_capabilities *bw_caps);
+
+struct spectral_fft_size_capabilities;
+/**
+ * target_if_wmi_extract_spectral_fft_size_caps() - Wrapper function to
+ * extract fft size capabilities from Spectral capabilities WMI event
+ * @psoc: Pointer to psoc object
+ * @evt_buf: Event buffer
+ * @fft_size_caps: Data structure to be filled by this API after extraction
+ *
+ * Return: QDF_STATUS of operation
+ */
+QDF_STATUS
+target_if_wmi_extract_spectral_fft_size_caps(
+			struct wlan_objmgr_psoc *psoc,
+			uint8_t *evt_buf,
+			struct spectral_fft_size_capabilities *fft_size_caps);
 #endif /* _TARGET_IF_SPECTRAL_H_ */

wmi/inc/wmi_unified_api.h

@@ -2338,6 +2338,19 @@ QDF_STATUS wmi_extract_spectral_caps_fixed_param(
 QDF_STATUS wmi_extract_spectral_scan_bw_caps(
 		wmi_unified_t wmi_handle, void *event,
 		struct spectral_scan_bw_capabilities *bw_caps);
+
+/**
+ * wmi_extract_spectral_fft_size_caps() - Extract FFT size caps from
+ * Spectral capabilities WMI event
+ * @wmi_handle: handle to WMI.
+ * @event: Event buffer
+ * @fft_size_caps: Data structure to be populated by this API after extraction
+ *
+ * Return: QDF_STATUS of operation
+ */
+QDF_STATUS wmi_extract_spectral_fft_size_caps(
+		wmi_unified_t wmi_handle, void *event,
+		struct spectral_fft_size_capabilities *fft_size_caps);
 #endif /* WLAN_CONV_SPECTRAL_ENABLE */
 
 #if defined(WLAN_SUPPORT_FILS) || defined(CONFIG_BAND_6GHZ)

wmi/inc/wmi_unified_param.h

@@ -3133,6 +3133,19 @@ struct spectral_scan_bw_capabilities {
 	enum phy_ch_width operating_bw;
 	uint32_t supported_bws;
 };
+
+/**
+ * struct spectral_fft_size_capabilities - Spectral scan FFT size caps
+ * that are extracted from Spectral capabilities WMI event
+ * @pdev_id: pdev ID
+ * @sscan_bw: Spectral scan bandwidth
+ * @sscan_bw: Supported FFT sizes bitmap for given @pdev_id and @sscan_bw
+ */
+struct spectral_fft_size_capabilities {
+	uint8_t pdev_id;
+	enum phy_ch_width sscan_bw;
+	uint32_t supports_fft_sizes;
+};
 #endif
 
 /**

wmi/inc/wmi_unified_priv.h

@@ -1522,6 +1522,10 @@ QDF_STATUS (*extract_spectral_caps_fixed_param)(
 QDF_STATUS (*extract_spectral_scan_bw_caps)(
 		wmi_unified_t wmi_handle, void *event,
 		struct spectral_scan_bw_capabilities *bw_caps);
+
+QDF_STATUS (*extract_spectral_fft_size_caps)(
+		wmi_unified_t wmi_handle, void *event,
+		struct spectral_fft_size_capabilities *fft_size_caps);
 #endif /* WLAN_CONV_SPECTRAL_ENABLE */
 
 QDF_STATUS (*send_vdev_spectral_configure_cmd)(wmi_unified_t wmi_handle,

wmi/src/wmi_unified_api.c

@@ -2706,6 +2706,17 @@ QDF_STATUS wmi_extract_spectral_scan_bw_caps(
 
 	return QDF_STATUS_E_FAILURE;
 }
+
+QDF_STATUS wmi_extract_spectral_fft_size_caps(
+		wmi_unified_t wmi_handle, void *event,
+		struct spectral_fft_size_capabilities *fft_size_caps)
+{
+	if (wmi_handle->ops->extract_spectral_fft_size_caps)
+		return wmi_handle->ops->extract_spectral_fft_size_caps(
+					wmi_handle, event, fft_size_caps);
+
+	return QDF_STATUS_E_FAILURE;
+}
 #endif /* WLAN_CONV_SPECTRAL_ENABLE */
 
 QDF_STATUS wmi_extract_spectral_scaling_params_service_ready_ext(

wmi/src/wmi_unified_tlv.c

@@ -7498,6 +7498,53 @@ extract_spectral_scan_bw_caps_tlv(
 
 	return QDF_STATUS_SUCCESS;
 }
+
+/**
+ * extract_spectral_fft_size_caps_tlv() - Extract FFT size caps from
+ * Spectral capabilities WMI event
+ * @wmi_handle: handle to WMI.
+ * @event: Event buffer
+ * @fft_size_caps: Data structure to be populated by this API after extraction
+ *
+ * Return: QDF_STATUS of operation
+ */
+static QDF_STATUS
+extract_spectral_fft_size_caps_tlv(
+		wmi_unified_t wmi_handle, void *event,
+		struct spectral_fft_size_capabilities *fft_size_caps)
+{
+	WMI_SPECTRAL_CAPABILITIES_EVENTID_param_tlvs *param_buf = event;
+	int idx;
+
+	if (!param_buf) {
+		wmi_err("param_buf is NULL");
+		return QDF_STATUS_E_NULL_VALUE;
+	}
+
+	if (!fft_size_caps) {
+		wmi_err("fft size caps is NULL");
+		return QDF_STATUS_E_NULL_VALUE;
+	}
+
+	for (idx = 0; idx < param_buf->num_fft_size_caps; idx++) {
+		fft_size_caps[idx].pdev_id =
+			wmi_handle->ops->convert_pdev_id_target_to_host(
+				wmi_handle,
+				param_buf->fft_size_caps[idx].pdev_id);
+		fft_size_caps[idx].sscan_bw = wmi_map_ch_width(
+			param_buf->fft_size_caps[idx].sscan_bw);
+		fft_size_caps[idx].supports_fft_sizes =
+			param_buf->sscan_bw_caps[idx].supported_flags;
+
+		wmi_debug("fft_size_caps[%u]:: pdev_id:%u sscan_bw:%u"
+			  "supported_flags:0x%x",
+			  idx, param_buf->sscan_bw_caps[idx].pdev_id,
+			  param_buf->fft_size_caps[idx].sscan_bw,
+			  param_buf->sscan_bw_caps[idx].supported_flags);
+	}
+
+	return QDF_STATUS_SUCCESS;
+}
 #endif /* WLAN_CONV_SPECTRAL_ENABLE */
 
 #ifdef FEATURE_WPSS_THERMAL_MITIGATION
@@ -17092,6 +17139,8 @@ struct wmi_ops tlv_ops =  {
 				extract_spectral_caps_fixed_param_tlv,
 	.extract_spectral_scan_bw_caps =
 				extract_spectral_scan_bw_caps_tlv,
+	.extract_spectral_fft_size_caps =
+				extract_spectral_fft_size_caps_tlv,
 #endif /* WLAN_CONV_SPECTRAL_ENABLE */
 	.send_thermal_mitigation_param_cmd =
 		send_thermal_mitigation_param_cmd_tlv,