video: tegra: host: Add eventlib support

This change adds support for eventlib completion events. Eventlib
is a library that is intended to interface with Tegra System Profiler
to deliver information about e.g. task start and completion events.

Bug 1996639

Change-Id: Ia5efcfb7ce54b7ee7822d6d5a153369b5a4ae535
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1580285
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/nvhost.h b/include/linux/nvhost.h
index 96ac4b170..a8185c7d8 100644
--- a/include/linux/nvhost.h
+++ b/include/linux/nvhost.h
@@ -375,6 +375,9 @@ struct nvhost_device_data {
 
         /* number of frames mlock can be locked for */
         u32 mlock_timeout_factor;
+
+        /* eventlib id for the device */
+        int eventlib_id;
 };
 
 
@@ -634,6 +637,13 @@ static inline void nvhost_unregister_dump_device(struct platform_device *dev)
 {
 }
 
+static inline void nvhost_eventlib_log_task(struct platform_device *pdev,
+                                            u32 syncpt_id,
+                                            u32 syncpt_thres,
+                                            u64 timestamp_start,
+                                            u64 timestamp_end)
+{
+}
 #else
 
 #ifdef CONFIG_DEBUG_FS
@@ -736,6 +746,12 @@ u32 nvhost_syncpt_read_maxval(struct platform_device *dev, u32 id);
 void nvhost_syncpt_set_minval(struct platform_device *dev, u32 id, u32 val);
 void nvhost_syncpt_set_maxval(struct platform_device *dev, u32 id, u32 val);
 
+void nvhost_eventlib_log_task(struct platform_device *pdev,
+                              u32 syncpt_id,
+                              u32 syncpt_thres,
+                              u64 timestamp_start,
+                              u64 timestamp_end);
+
 /* public host1x interrupt management APIs */
 int nvhost_intr_register_notifier(struct platform_device *pdev,
                                   u32 id, u32 thresh,