ath10k: add support to configure BB timing over wmi

Add wmi configuration cmd to configure base band(BB) power amplifier(PA)
off timing values in hardware. The default PA off timings were fine tuned
to make proper DFS radar detection in QCA reference design. If ODM uses
different PA in their design, then the same default PA off timing values
cannot be used, it requires different settling time to detect radar pulses
very sooner and avoid radar detection problems. In that case it provides
provision to select proper PA off timing values based on the PA hardware used.
The PA component is part of FEM hardware and new device tree entry
"ext-fem-name" is used to indentify the FEM hardware. And this wmi configuration
cmd is enabled via wmi service flag "WMI_SERVICE_BB_TIMING_CONFIG_SUPPORT".

Other way is to apply these values through calibration data, but recalibration
of all boards out there might not be feasible.

This change tested on firmware ver 10.2.4-1.0-00042 in QCA988X chipset.

Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 69871e9a4b56..88210ddaedc4 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -206,6 +206,7 @@ enum wmi_service {
 	WMI_SERVICE_TX_DATA_ACK_RSSI,
 	WMI_SERVICE_VDEV_DIFFERENT_BEACON_INTERVAL_SUPPORT,
 	WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT,
+	WMI_SERVICE_BB_TIMING_CONFIG_SUPPORT,
 
 	/* keep last */
 	WMI_SERVICE_MAX,
@@ -245,6 +246,9 @@ enum wmi_10x_service {
 	WMI_10X_SERVICE_PEER_STATS,
 	WMI_10X_SERVICE_RESET_CHIP,
 	WMI_10X_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
+	WMI_10X_SERVICE_VDEV_BCN_RATE_CONTROL,
+	WMI_10X_SERVICE_PER_PACKET_SW_ENCRYPT,
+	WMI_10X_SERVICE_BB_TIMING_CONFIG_SUPPORT,
 };
 
 enum wmi_main_service {
@@ -572,6 +576,8 @@ static inline void wmi_10x_svc_map(const __le32 *in, unsigned long *out,
 	       WMI_SERVICE_RESET_CHIP, len);
 	SVCMAP(WMI_10X_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS,
 	       WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS, len);
+	SVCMAP(WMI_10X_SERVICE_BB_TIMING_CONFIG_SUPPORT,
+	       WMI_SERVICE_BB_TIMING_CONFIG_SUPPORT, len);
 }
 
 static inline void wmi_main_svc_map(const __le32 *in, unsigned long *out,
@@ -992,6 +998,7 @@ struct wmi_cmd_map {
 	u32 pdev_wds_entry_list_cmdid;
 	u32 tdls_set_offchan_mode_cmdid;
 	u32 radar_found_cmdid;
+	u32 set_bb_timing_cmdid;
 };
 
 /*
@@ -1607,6 +1614,8 @@ enum wmi_10_2_cmd_id {
 	WMI_10_2_SET_LTEU_CONFIG_CMDID,
 	WMI_10_2_SET_CCA_PARAMS,
 	WMI_10_2_PDEV_BSS_CHAN_INFO_REQUEST_CMDID,
+	WMI_10_2_FWTEST_CMDID,
+	WMI_10_2_PDEV_SET_BB_TIMING_CONFIG_CMDID,
 	WMI_10_2_PDEV_UTF_CMDID = WMI_10_2_END_CMDID - 1,
 };
 
@@ -7173,6 +7182,23 @@ struct wmi_pdev_chan_info_req_cmd {
 	__le32 reserved;
 } __packed;
 
+/* bb timing register configurations */
+struct wmi_bb_timing_cfg_arg {
+	/* Tx_end to pa off timing */
+	u32 bb_tx_timing;
+
+	/* Tx_end to external pa off timing */
+	u32 bb_xpa_timing;
+};
+
+struct wmi_pdev_bb_timing_cfg_cmd {
+	/* Tx_end to pa off timing */
+	__le32 bb_tx_timing;
+
+	/* Tx_end to external pa off timing */
+	__le32 bb_xpa_timing;
+} __packed;
+
 struct ath10k;
 struct ath10k_vif;
 struct ath10k_fw_stats_pdev;