wil6210: add support for reading multiple RFs temperature via debugfs

Base-band chips support multi RFs chips. Add support for reading
multiple RFs temperature via debugfs.

Signed-off-by: Tzahi Sabo <stzahi@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

4 files changed, 117 insertions, 17 deletions

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 8ac53fb2bb59..1dcdf8d0c995 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1336,7 +1336,7 @@ static void print_temp(struct seq_file *s, const char *prefix, s32 t)
 {
 	switch (t) {
 	case 0:
-	case ~(u32)0:
+	case WMI_INVALID_TEMPERATURE:
 		seq_printf(s, "%s N/A\n", prefix);
 	break;
 	default:
@@ -1349,17 +1349,41 @@ static void print_temp(struct seq_file *s, const char *prefix, s32 t)
 static int temp_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
-	s32 t_m, t_r;
-	int rc = wmi_get_temperature(wil, &t_m, &t_r);
+	int rc, i;
 
-	if (rc) {
-		seq_puts(s, "Failed\n");
-		return 0;
-	}
+	if (test_bit(WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF,
+		     wil->fw_capabilities)) {
+		struct wmi_temp_sense_all_done_event sense_all_evt;
 
-	print_temp(s, "T_mac   =", t_m);
-	print_temp(s, "T_radio =", t_r);
+		wil_dbg_misc(wil,
+			     "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is supported");
+		rc = wmi_get_all_temperatures(wil, &sense_all_evt);
+		if (rc) {
+			seq_puts(s, "Failed\n");
+			return 0;
+		}
+		print_temp(s, "T_mac   =",
+			   le32_to_cpu(sense_all_evt.baseband_t1000));
+		seq_printf(s, "Connected RFs [0x%08x]\n",
+			   sense_all_evt.rf_bitmap);
+		for (i = 0; i < WMI_MAX_XIF_PORTS_NUM; i++) {
+			seq_printf(s, "RF[%d]   = ", i);
+			print_temp(s, "",
+				   le32_to_cpu(sense_all_evt.rf_t1000[i]));
+		}
+	} else {
+		s32 t_m, t_r;
 
+		wil_dbg_misc(wil,
+			     "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is not supported");
+		rc = wmi_get_temperature(wil, &t_m, &t_r);
+		if (rc) {
+			seq_puts(s, "Failed\n");
+			return 0;
+		}
+		print_temp(s, "T_mac   =", t_m);
+		print_temp(s, "T_radio =", t_r);
+	}
 	return 0;
 }
 DEFINE_SHOW_ATTRIBUTE(temp);
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index afbc5240a110..038329bfe44b 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -1252,6 +1252,9 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct wil_ring *vring);
 int wmi_update_ft_ies(struct wil6210_vif *vif, u16 ie_len, const void *ie);
 int wmi_rxon(struct wil6210_priv *wil, bool on);
 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
+int wmi_get_all_temperatures(struct wil6210_priv *wil,
+			     struct wmi_temp_sense_all_done_event
+			     *sense_all_evt);
 int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, u16 reason,
 		       bool del_sta);
 int wmi_addba(struct wil6210_priv *wil, u8 mid,
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index cacafaba5007..5d7eb521281c 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -486,6 +486,8 @@ static const char *cmdid2name(u16 cmdid)
 		return "WMI_UPDATE_FT_IES_CMD";
 	case WMI_RBUFCAP_CFG_CMDID:
 		return "WMI_RBUFCAP_CFG_CMD";
+	case WMI_TEMP_SENSE_ALL_CMDID:
+		return "WMI_TEMP_SENSE_ALL_CMDID";
 	default:
 		return "Untracked CMD";
 	}
@@ -632,6 +634,8 @@ static const char *eventid2name(u16 eventid)
 		return "WMI_FT_REASSOC_STATUS_EVENT";
 	case WMI_RBUFCAP_CFG_EVENTID:
 		return "WMI_RBUFCAP_CFG_EVENT";
+	case WMI_TEMP_SENSE_ALL_DONE_EVENTID:
+		return "WMI_TEMP_SENSE_ALL_DONE_EVENTID";
 	default:
 		return "Untracked EVENT";
 	}
@@ -2648,6 +2652,44 @@ int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf)
 	return 0;
 }
 
+int wmi_get_all_temperatures(struct wil6210_priv *wil,
+			     struct wmi_temp_sense_all_done_event
+			     *sense_all_evt)
+{
+	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
+	int rc;
+	struct wmi_temp_sense_all_cmd cmd = {
+		.measure_baseband_en = true,
+		.measure_rf_en = true,
+		.measure_mode = TEMPERATURE_MEASURE_NOW,
+	};
+	struct {
+		struct wmi_cmd_hdr wmi;
+		struct wmi_temp_sense_all_done_event evt;
+	} __packed reply;
+
+	if (!sense_all_evt) {
+		wil_err(wil, "Invalid sense_all_evt value\n");
+		return -EINVAL;
+	}
+
+	memset(&reply, 0, sizeof(reply));
+	reply.evt.status = WMI_FW_STATUS_FAILURE;
+	rc = wmi_call(wil, WMI_TEMP_SENSE_ALL_CMDID, vif->mid, &cmd,
+		      sizeof(cmd), WMI_TEMP_SENSE_ALL_DONE_EVENTID,
+		      &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
+	if (rc)
+		return rc;
+
+	if (reply.evt.status == WMI_FW_STATUS_FAILURE) {
+		wil_err(wil, "Failed geting TEMP_SENSE_ALL\n");
+		return -EINVAL;
+	}
+
+	memcpy(sense_all_evt, &reply.evt, sizeof(reply.evt));
+	return 0;
+}
+
 int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, u16 reason,
 		       bool del_sta)
 {
diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h
index da46fc8d39cf..3e37229b36b5 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.h
+++ b/drivers/net/wireless/ath/wil6210/wmi.h
@@ -35,6 +35,7 @@
 #define WMI_PROX_RANGE_NUM		(3)
 #define WMI_MAX_LOSS_DMG_BEACONS	(20)
 #define MAX_NUM_OF_SECTORS		(128)
+#define WMI_INVALID_TEMPERATURE		(0xFFFFFFFF)
 #define WMI_SCHED_MAX_ALLOCS_PER_CMD	(4)
 #define WMI_RF_DTYPE_LENGTH		(3)
 #define WMI_RF_ETYPE_LENGTH		(3)
@@ -64,6 +65,7 @@
 #define WMI_QOS_MAX_WEIGHT		50
 #define WMI_QOS_SET_VIF_PRIORITY	(0xFF)
 #define WMI_QOS_DEFAULT_PRIORITY	(WMI_QOS_NUM_OF_PRIORITY)
+#define WMI_MAX_XIF_PORTS_NUM		(8)
 
 /* Mailbox interface
  * used for commands and events
@@ -105,6 +107,7 @@ enum wmi_fw_capability {
 	WMI_FW_CAPABILITY_TX_REQ_EXT			= 25,
 	WMI_FW_CAPABILITY_CHANNEL_4			= 26,
 	WMI_FW_CAPABILITY_IPA				= 27,
+	WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF		= 30,
 	WMI_FW_CAPABILITY_MAX,
 };
 
@@ -296,6 +299,7 @@ enum wmi_command_id {
 	WMI_SET_VRING_PRIORITY_WEIGHT_CMDID		= 0xA10,
 	WMI_SET_VRING_PRIORITY_CMDID			= 0xA11,
 	WMI_RBUFCAP_CFG_CMDID				= 0xA12,
+	WMI_TEMP_SENSE_ALL_CMDID			= 0xA13,
 	WMI_SET_MAC_ADDRESS_CMDID			= 0xF003,
 	WMI_ABORT_SCAN_CMDID				= 0xF007,
 	WMI_SET_PROMISCUOUS_MODE_CMDID			= 0xF041,
@@ -1411,12 +1415,7 @@ struct wmi_rf_xpm_write_cmd {
 	u8 data_bytes[0];
 } __packed;
 
-/* WMI_TEMP_SENSE_CMDID
- *
- * Measure MAC and radio temperatures
- *
- * Possible modes for temperature measurement
- */
+/* Possible modes for temperature measurement */
 enum wmi_temperature_measure_mode {
 	TEMPERATURE_USE_OLD_VALUE	= 0x01,
 	TEMPERATURE_MEASURE_NOW		= 0x02,
@@ -1942,6 +1941,14 @@ struct wmi_set_ap_slot_size_cmd {
 	__le32 slot_size;
 } __packed;
 
+/* WMI_TEMP_SENSE_ALL_CMDID */
+struct wmi_temp_sense_all_cmd {
+	u8 measure_baseband_en;
+	u8 measure_rf_en;
+	u8 measure_mode;
+	u8 reserved;
+} __packed;
+
 /* WMI Events
  * List of Events (target to host)
  */
@@ -2101,6 +2108,7 @@ enum wmi_event_id {
 	WMI_SET_VRING_PRIORITY_WEIGHT_EVENTID		= 0x1A10,
 	WMI_SET_VRING_PRIORITY_EVENTID			= 0x1A11,
 	WMI_RBUFCAP_CFG_EVENTID				= 0x1A12,
+	WMI_TEMP_SENSE_ALL_DONE_EVENTID			= 0x1A13,
 	WMI_SET_CHANNEL_EVENTID				= 0x9000,
 	WMI_ASSOC_REQ_EVENTID				= 0x9001,
 	WMI_EAPOL_RX_EVENTID				= 0x9002,
@@ -2784,11 +2792,13 @@ struct wmi_fixed_scheduling_ul_config_event {
  */
 struct wmi_temp_sense_done_event {
 	/* Temperature times 1000 (actual temperature will be achieved by
-	 * dividing the value by 1000)
+	 * dividing the value by 1000). When temperature cannot be read from
+	 * device return WMI_INVALID_TEMPERATURE
 	 */
 	__le32 baseband_t1000;
 	/* Temperature times 1000 (actual temperature will be achieved by
-	 * dividing the value by 1000)
+	 * dividing the value by 1000). When temperature cannot be read from
+	 * device return WMI_INVALID_TEMPERATURE
 	 */
 	__le32 rf_t1000;
 } __packed;
@@ -4140,4 +4150,25 @@ struct wmi_rbufcap_cfg_event {
 	u8 reserved[3];
 } __packed;
 
+/* WMI_TEMP_SENSE_ALL_DONE_EVENTID
+ * Measure MAC and all radio temperatures
+ */
+struct wmi_temp_sense_all_done_event {
+	/* enum wmi_fw_status */
+	u8 status;
+	/* Bitmap of connected RFs */
+	u8 rf_bitmap;
+	u8 reserved[2];
+	/* Temperature times 1000 (actual temperature will be achieved by
+	 * dividing the value by 1000). When temperature cannot be read from
+	 * device return WMI_INVALID_TEMPERATURE
+	 */
+	__le32 rf_t1000[WMI_MAX_XIF_PORTS_NUM];
+	/* Temperature times 1000 (actual temperature will be achieved by
+	 * dividing the value by 1000). When temperature cannot be read from
+	 * device return WMI_INVALID_TEMPERATURE
+	 */
+	__le32 baseband_t1000;
+} __packed;
+
 #endif /* __WILOCITY_WMI_H__ */