QCA vendor commands and attributes for spectral scan

Add new vendor commands for starting and stoppping spectral scan. Add
vendor attributes for configuring spectral scan parameters as part of
the start command.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/common/qca-vendor.h

@@ -313,6 +313,16 @@ enum qca_radiotap_vendor_ids {
  * @QCA_NL80211_VENDOR_SUBCMD_BRP_SET_ANT_LIMIT: Set the Beam Refinement
  *	Protocol antenna limit in different modes. See enum
  *	qca_wlan_vendor_attr_brp_ant_limit_mode.
+ *
+ * @QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_START: Start spectral scan. The scan
+ *	parameters are specified by enum qca_wlan_vendor_attr_spectral_scan.
+ *	This returns a cookie (%QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_COOKIE)
+ *	identifying the operation in success case.
+ *
+ * @QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_STOP: Stop spectral scan. This uses
+ *	a cookie (%QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_COOKIE) from
+ *	@QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_START to identify the scan to
+ *	be stopped.
  */
 enum qca_nl80211_vendor_subcmds {
 	QCA_NL80211_VENDOR_SUBCMD_UNSPEC = 0,
@@ -441,6 +451,8 @@ enum qca_nl80211_vendor_subcmds {
 	QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS = 151,
 	QCA_NL80211_VENDOR_SUBCMD_SET_TRACE_LEVEL = 152,
 	QCA_NL80211_VENDOR_SUBCMD_BRP_SET_ANT_LIMIT = 153,
+	QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_START = 154,
+	QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_STOP = 155,
 };
 
 
@@ -3613,4 +3625,100 @@ enum qca_wlan_vendor_attr_get_he_capabilities {
 	QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_AFTER_LAST - 1,
 };
 
+/**
+ * enum qca_wlan_vendor_attr_spectral_scan - Spectral scan config parameters
+ */
+enum qca_wlan_vendor_attr_spectral_scan {
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_INVALID = 0,
+	/* Number of times the chip enters spectral scan mode before
+	 * deactivating spectral scans. When set to 0, chip will enter spectral
+	 * scan mode continuously. u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_SCAN_COUNT = 1,
+	/* Spectral scan period. Period increment resolution is 256*Tclk,
+	 * where Tclk = 1/44 MHz (Gmode), 1/40 MHz (Amode). u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_SCAN_PERIOD = 2,
+	/* Spectral scan priority. u32 attribute. */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_PRIORITY = 3,
+	/* Number of FFT data points to compute. u32 attribute. */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_FFT_SIZE = 4,
+	/* Enable targeted gain change before starting the spectral scan FFT.
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_GC_ENA = 5,
+	/* Restart a queued spectral scan. u32 attribute. */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_RESTART_ENA = 6,
+	/* Noise floor reference number for the calculation of bin power.
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_NOISE_FLOOR_REF = 7,
+	/* Disallow spectral scan triggers after TX/RX packets by setting
+	 * this delay value to roughly SIFS time period or greater.
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_INIT_DELAY = 8,
+	/* Number of strong bins (inclusive) per sub-channel, below
+	 * which a signal is declared a narrow band tone. u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_NB_TONE_THR = 9,
+	/* Specify the threshold over which a bin is declared strong (for
+	 * scan bandwidth analysis). u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_STR_BIN_THR = 10,
+	/* Spectral scan report mode. u32 attribute. */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_WB_RPT_MODE = 11,
+	/* RSSI report mode, if the ADC RSSI is below
+	 * QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_RSSI_THR,
+	 * then FFTs will not trigger, but timestamps and summaries get
+	 * reported. u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_RSSI_RPT_MODE = 12,
+	/* ADC RSSI must be greater than or equal to this threshold (signed dB)
+	 * to ensure spectral scan reporting with normal error code.
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_RSSI_THR = 13,
+	/* Format of frequency bin magnitude for spectral scan triggered FFTs:
+	 * 0: linear magnitude, 1: log magnitude (20*log10(lin_mag)).
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_PWR_FORMAT = 14,
+	/* Format of FFT report to software for spectral scan triggered FFTs.
+	 * 0: No FFT report (only spectral scan summary report)
+	 * 1: 2-dword summary of metrics for each completed FFT + spectral scan
+	 * report
+	 * 2: 2-dword summary of metrics for each completed FFT + 1x-oversampled
+	 * bins (in-band) per FFT + spectral scan summary report
+	 * 3: 2-dword summary of metrics for each completed FFT + 2x-oversampled
+	 * bins (all) per FFT + spectral scan summary report
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_RPT_MODE = 15,
+	/* Number of LSBs to shift out in order to scale the FFT bins.
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_BIN_SCALE = 16,
+	/* Set to 1 (with spectral_scan_pwr_format=1), to report bin magnitudes
+	 * in dBm power. u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_DBM_ADJ = 17,
+	/* Per chain enable mask to select input ADC for search FFT.
+	 * u32 attribute.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_CHN_MASK = 18,
+	/* An unsigned 64-bit integer provided by host driver to identify the
+	 * spectral scan request. This attribute is included in the scan
+	 * response message for @QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_START
+	 * and used as an attribute in
+	 * @QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_STOP to identify the
+	 * specific scan to be stopped.
+	 */
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_COOKIE = 19,
+
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_AFTER_LAST,
+	QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_MAX =
+		QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_CONFIG_AFTER_LAST - 1,
+};
+
 #endif /* QCA_VENDOR_H */