gpu: nvgpu: Add thermal alert event handling

* Added the thermal alert event handling
* Added the thermal alert event PMU RPC

JIRA DNVGPU-130
Bug 200231080

Change-Id: If5ff2704e5aa6ad2f25123f72c3049a311dae5dc
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1248964
(cherry picked from commit 1850e5a9b9dfa2f9df634e2f284ab282ad9f7fc8)
Reviewed-on: http://git-master/r/1253452
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h b/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h
index 9c10e93c..c87fe8a8 100644
--- a/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h
+++ b/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h
@@ -18,8 +18,12 @@
 
 #define NV_PMU_THERM_CMD_ID_RPC                                      0x00000002
 #define NV_PMU_THERM_MSG_ID_RPC                                      0x00000002
+#define NV_PMU_THERM_RPC_ID_SLCT                                     0x00000000
 #define NV_PMU_THERM_RPC_ID_SLCT_EVENT_TEMP_TH_SET                   0x00000006
 #define NV_PMU_THERM_EVENT_THERMAL_1                                 0x00000004
+#define NV_PMU_THERM_CMD_ID_HW_SLOWDOWN_NOTIFICATION                 0x00000001
+#define NV_RM_PMU_THERM_HW_SLOWDOWN_NOTIFICATION_REQUEST_ENABLE      0x00000001
+#define NV_PMU_THERM_MSG_ID_EVENT_HW_SLOWDOWN_NOTIFICATION           0x00000001
 
 struct nv_pmu_therm_rpc_slct_event_temp_th_set {
         s32 temp_threshold;
@@ -27,10 +31,16 @@ struct nv_pmu_therm_rpc_slct_event_temp_th_set {
         flcn_status flcn_stat;
 };
 
+struct nv_pmu_therm_rpc_slct {
+        u32 mask_enabled;
+        flcn_status flcn_stat;
+};
+
 struct nv_pmu_therm_rpc {
         u8 function;
         bool b_supported;
         union {
+                struct nv_pmu_therm_rpc_slct slct;
                 struct nv_pmu_therm_rpc_slct_event_temp_th_set slct_event_temp_th_set;
         } params;
 };
@@ -41,6 +51,11 @@ struct nv_pmu_therm_cmd_rpc {
         struct nv_pmu_allocation request;
 };
 
+struct nv_pmu_therm_cmd_hw_slowdown_notification {
+        u8 cmd_type;
+        u8 request;
+};
+
 #define NV_PMU_THERM_CMD_RPC_ALLOC_OFFSET       \
         offsetof(struct nv_pmu_therm_cmd_rpc, request)
 
@@ -48,6 +63,7 @@ struct nv_pmu_therm_cmd {
         union {
                 u8 cmd_type;
                 struct nv_pmu_therm_cmd_rpc rpc;
+                struct nv_pmu_therm_cmd_hw_slowdown_notification hw_slct_notification;
         };
 };
 
@@ -57,6 +73,11 @@ struct nv_pmu_therm_msg_rpc {
         struct nv_pmu_allocation response;
 };
 
+struct nv_pmu_therm_msg_event_hw_slowdown_notification {
+        u8 msg_type;
+        u32 mask;
+};
+
 #define NV_PMU_THERM_MSG_RPC_ALLOC_OFFSET       \
         offsetof(struct nv_pmu_therm_msg_rpc, response)
 
@@ -64,6 +85,7 @@ struct nv_pmu_therm_msg {
         union {
                 u8 msg_type;
                 struct nv_pmu_therm_msg_rpc rpc;
+                struct nv_pmu_therm_msg_event_hw_slowdown_notification hw_slct_msg;
         };
 };