Add WMI command support for reading temperature from the target and
corresponding WMI temperature event handler. The pdev_get_temperature
command is currently supported in 10.2 firmware alone.

Signed-off-by: Rajkumar Manoharan <rmano...@qti.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 17 ++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c |  2 ++
 drivers/net/wireless/ath/ath10k/wmi.c     | 33 +++++++++++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi.h     | 13 ++++++++++++
 4 files changed, 65 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h 
b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index feed0fe..20e2c30 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -118,6 +118,7 @@ struct wmi_ops {
                                                   u32 period, u32 duration,
                                                   u32 next_offset,
                                                   u32 enabled);
+       struct sk_buff *(*gen_pdev_get_temperature)(struct ath10k *ar);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -840,4 +841,20 @@ ath10k_wmi_pdev_set_quiet_mode(struct ath10k *ar, u32 
period, u32 duration,
                                   ar->wmi.cmd->pdev_set_quiet_mode_cmdid);
 }
 
+static inline int
+ath10k_wmi_pdev_get_temperature(struct ath10k *ar)
+{
+       struct sk_buff *skb;
+
+       if (!ar->wmi.ops->gen_pdev_get_temperature)
+               return -EOPNOTSUPP;
+
+       skb = ar->wmi.ops->gen_pdev_get_temperature(ar);
+       if (IS_ERR(skb))
+               return PTR_ERR(skb);
+
+       return ath10k_wmi_cmd_send(ar, skb,
+                                  ar->wmi.cmd->pdev_get_temperature_cmdid);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c 
b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index e203dad..4c050ce 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2044,6 +2044,7 @@ static struct wmi_cmd_map wmi_tlv_cmd_map = {
        .force_fw_hang_cmdid = WMI_TLV_FORCE_FW_HANG_CMDID,
        .gpio_config_cmdid = WMI_TLV_GPIO_CONFIG_CMDID,
        .gpio_output_cmdid = WMI_TLV_GPIO_OUTPUT_CMDID,
+       .pdev_get_temperature_cmdid = WMI_TLV_CMD_UNSUPPORTED,
 };
 
 static struct wmi_pdev_param_map wmi_tlv_pdev_param_map = {
@@ -2205,6 +2206,7 @@ static const struct wmi_ops wmi_tlv_ops = {
        .gen_pktlog_enable = ath10k_wmi_tlv_op_gen_pktlog_enable,
        .gen_pktlog_disable = ath10k_wmi_tlv_op_gen_pktlog_disable,
        /* .gen_pdev_set_quiet_mode not implemented */
+       /* .gen_pdev_get_temperature not implemented */
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c 
b/drivers/net/wireless/ath/ath10k/wmi.c
index abf4c98..c32dc19 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -145,6 +145,7 @@ static struct wmi_cmd_map wmi_cmd_map = {
        .force_fw_hang_cmdid = WMI_FORCE_FW_HANG_CMDID,
        .gpio_config_cmdid = WMI_GPIO_CONFIG_CMDID,
        .gpio_output_cmdid = WMI_GPIO_OUTPUT_CMDID,
+       .pdev_get_temperature_cmdid = WMI_CMD_UNSUPPORTED,
 };
 
 /* 10.X WMI cmd track */
@@ -267,6 +268,7 @@ static struct wmi_cmd_map wmi_10x_cmd_map = {
        .force_fw_hang_cmdid = WMI_CMD_UNSUPPORTED,
        .gpio_config_cmdid = WMI_10X_GPIO_CONFIG_CMDID,
        .gpio_output_cmdid = WMI_10X_GPIO_OUTPUT_CMDID,
+       .pdev_get_temperature_cmdid = WMI_CMD_UNSUPPORTED,
 };
 
 /* MAIN WMI VDEV param map */
@@ -611,6 +613,7 @@ static struct wmi_cmd_map wmi_10_2_cmd_map = {
        .force_fw_hang_cmdid = WMI_CMD_UNSUPPORTED,
        .gpio_config_cmdid = WMI_10_2_GPIO_CONFIG_CMDID,
        .gpio_output_cmdid = WMI_10_2_GPIO_OUTPUT_CMDID,
+       .pdev_get_temperature_cmdid = WMI_10_2_PDEV_GET_TEMPERATURE_CMDID,
 };
 
 void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
@@ -2794,6 +2797,17 @@ int ath10k_wmi_event_ready(struct ath10k *ar, struct 
sk_buff *skb)
        return 0;
 }
 
+static int ath10k_wmi_event_temperature(struct ath10k *ar, struct sk_buff *skb)
+{
+       const struct wmi_pdev_temperature_event *ev;
+
+       ev = (struct wmi_pdev_temperature_event *)skb->data;
+       if (WARN_ON(skb->len < sizeof(*ev)))
+               return -EPROTO;
+
+       return 0;
+}
+
 static void ath10k_wmi_op_rx(struct ath10k *ar, struct sk_buff *skb)
 {
        struct wmi_cmd_hdr *cmd_hdr;
@@ -3133,6 +3147,9 @@ static void ath10k_wmi_10_2_op_rx(struct ath10k *ar, 
struct sk_buff *skb)
        case WMI_10_2_READY_EVENTID:
                ath10k_wmi_event_ready(ar, skb);
                break;
+       case WMI_10_2_PDEV_TEMPERATURE_EVENTID:
+               ath10k_wmi_event_temperature(ar, skb);
+               break;
        case WMI_10_2_RTT_KEEPALIVE_EVENTID:
        case WMI_10_2_GPIO_INPUT_EVENTID:
        case WMI_10_2_PEER_RATECODE_LIST_EVENTID:
@@ -4414,6 +4431,19 @@ ath10k_wmi_10_2_op_gen_peer_assoc(struct ath10k *ar,
        return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_10_2_op_gen_pdev_get_temperature(struct ath10k *ar)
+{
+       struct sk_buff *skb;
+
+       skb = ath10k_wmi_alloc_skb(ar, 0);
+       if (!skb)
+               return ERR_PTR(-ENOMEM);
+
+       ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi pdev get temperature\n");
+       return skb;
+}
+
 /* This function assumes the beacon is already DMA mapped */
 static struct sk_buff *
 ath10k_wmi_op_gen_beacon_dma(struct ath10k_vif *arvif)
@@ -4663,6 +4693,7 @@ static const struct wmi_ops wmi_ops = {
        .gen_pktlog_enable = ath10k_wmi_op_gen_pktlog_enable,
        .gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
        .gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
+       /* .gen_pdev_get_temperature not implemented */
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -4674,6 +4705,7 @@ static const struct wmi_ops wmi_10_1_ops = {
        .gen_pdev_set_rd = ath10k_wmi_10x_op_gen_pdev_set_rd,
        .gen_start_scan = ath10k_wmi_10x_op_gen_start_scan,
        .gen_peer_assoc = ath10k_wmi_10_1_op_gen_peer_assoc,
+       /* .gen_pdev_get_temperature not implemented */
 
        /* shared with main branch */
        .pull_scan = ath10k_wmi_op_pull_scan_ev,
@@ -4722,6 +4754,7 @@ static const struct wmi_ops wmi_10_2_ops = {
        .rx = ath10k_wmi_10_2_op_rx,
        .gen_init = ath10k_wmi_10_2_op_gen_init,
        .gen_peer_assoc = ath10k_wmi_10_2_op_gen_peer_assoc,
+       .gen_pdev_get_temperature = ath10k_wmi_10_2_op_gen_pdev_get_temperature,
 
        /* shared with 10.1 */
        .map_svc = wmi_10x_svc_map,
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h 
b/drivers/net/wireless/ath/ath10k/wmi.h
index ce517bf..f26531f 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -550,6 +550,7 @@ struct wmi_cmd_map {
        u32 force_fw_hang_cmdid;
        u32 gpio_config_cmdid;
        u32 gpio_output_cmdid;
+       u32 pdev_get_temperature_cmdid;
 };
 
 /*
@@ -1154,6 +1155,11 @@ enum wmi_10_2_cmd_id {
        WMI_10_2_PDEV_SET_MIMOGAIN_TABLE_CMDID,
        WMI_10_2_PDEV_RATEPWR_TABLE_CMDID,
        WMI_10_2_PDEV_RATEPWR_CHAINMSK_TABLE_CMDID,
+       WMI_10_2_PDEV_GET_INFO,
+       WMI_10_2_VDEV_GET_INFO,
+       WMI_10_2_VDEV_ATF_REQUEST_CMDID,
+       WMI_10_2_PEER_ATF_REQUEST_CMDID,
+       WMI_10_2_PDEV_GET_TEMPERATURE_CMDID,
        WMI_10_2_PDEV_UTF_CMDID = WMI_10_2_END_CMDID - 1,
 };
 
@@ -1195,6 +1201,8 @@ enum wmi_10_2_event_id {
        WMI_10_2_MCAST_BUF_RELEASE_EVENTID,
        WMI_10_2_MCAST_LIST_AGEOUT_EVENTID,
        WMI_10_2_WDS_PEER_EVENTID,
+       WMI_10_2_PEER_STA_PS_STATECHG_EVENTID,
+       WMI_10_2_PDEV_TEMPERATURE_EVENTID,
        WMI_10_2_PDEV_UTF_EVENTID = WMI_10_2_END_EVENTID - 1,
 };
 
@@ -4733,6 +4741,11 @@ struct wmi_rdy_ev_arg {
        const u8 *mac_addr;
 };
 
+struct wmi_pdev_temperature_event {
+       /* temperature value in Celcius degree */
+       __le32 temperature;
+} __packed;
+
 struct ath10k;
 struct ath10k_vif;
 struct ath10k_fw_stats_pdev;
-- 
2.1.3

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