gpu: nvgpu: falcon engine EMEM support

-Added HAL copy_from_emem & copy_to_emem to struct
nvgpu_falcon_engine_dependency_ops data struct to point to
engine specific EMEM access functions.
-Added function nvgpu_flcn_copy_from_emem() &
 nvgpu_flcn_copy_to_emem() at interface layer to
 access EMEM using flacon engine EMEM HAL's.

JIRA NVGPU-1161

Change-Id: Ifb72a617277e73f25f1772c969791b642585e7fb
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1807336
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/falcon.h b/drivers/gpu/nvgpu/include/nvgpu/falcon.h
index 9f8c97ea..cf15061d 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/falcon.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/falcon.h
@@ -219,6 +219,10 @@ struct nvgpu_falcon_engine_dependency_ops {
         int (*queue_tail)(struct gk20a *g, struct nvgpu_falcon_queue *queue,
                 u32 *tail, bool set);
         void (*msgq_tail)(struct gk20a *g, u32 *tail, bool set);
+        int (*copy_from_emem)(struct nvgpu_falcon *flcn, u32 src, u8 *dst,
+                u32 size, u8 port);
+        int (*copy_to_emem)(struct nvgpu_falcon *flcn, u32 dst, u8 *src,
+                u32 size, u8 port);
 };
 
 struct nvgpu_falcon_ops {
@@ -283,6 +287,10 @@ bool nvgpu_flcn_get_mem_scrubbing_status(struct nvgpu_falcon *flcn);
 int nvgpu_flcn_mem_scrub_wait(struct nvgpu_falcon *flcn);
 bool nvgpu_flcn_get_cpu_halted_status(struct nvgpu_falcon *flcn);
 bool nvgpu_flcn_get_idle_status(struct nvgpu_falcon *flcn);
+int nvgpu_flcn_copy_from_emem(struct nvgpu_falcon *flcn,
+        u32 src, u8 *dst, u32 size, u8 port);
+int nvgpu_flcn_copy_to_emem(struct nvgpu_falcon *flcn,
+        u32 dst, u8 *src, u32 size, u8 port);
 int nvgpu_flcn_copy_from_dmem(struct nvgpu_falcon *flcn,
         u32 src, u8 *dst, u32 size, u8 port);
 int nvgpu_flcn_copy_to_dmem(struct nvgpu_falcon *flcn,