gpu: nvgpu: add chip specific sync point support

Added support for chip specific sync point implementation.
Relevant fifo hal functions are added and updated for
legacy chips.

JIRA GPUT19X-2

Change-Id: I9a9c36d71e15c384b5e5af460cd52012f94e0b04
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1258232
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 29ac4763..f246b857 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -499,6 +499,20 @@ struct gpu_ops {
                 unsigned int (*handle_pbdma_intr_0)(struct gk20a *g,
                                         u32 pbdma_id, u32 pbdma_intr_0,
                                         u32 *handled, u32 *error_notifier);
+#ifdef CONFIG_TEGRA_GK20A_NVHOST
+                int (*alloc_syncpt_buf)(struct channel_gk20a *c,
+                                u32 syncpt_id, struct nvgpu_mem *syncpt_buf);
+                void (*free_syncpt_buf)(struct channel_gk20a *c,
+                                struct nvgpu_mem *syncpt_buf);
+                void (*add_syncpt_wait_cmd)(struct gk20a *g,
+                                        struct priv_cmd_entry *cmd, u32 off,
+                                        u32 id, u32 thresh, u64 gpu_va);
+                u32 (*get_syncpt_wait_cmd_size)(void);
+                void (*add_syncpt_incr_cmd)(struct gk20a *g,
+                        bool wfi_cmd, struct priv_cmd_entry *cmd,
+                        u32 id, u64 gpu_va);
+                u32 (*get_syncpt_incr_cmd_size)(bool wfi_cmd);
+#endif
         } fifo;
         struct pmu_v {
                 /*used for change of enum zbc update cmd id from ver 0 to ver1*/
@@ -1243,6 +1257,13 @@ struct gk20a {
         /* Some boards might be missing power sensor, preventing
          * from monitoring power, current and voltage */
         bool power_sensor_missing;
+
+#if defined(CONFIG_TEGRA_GK20A_NVHOST) && defined(CONFIG_TEGRA_19x_GPU)
+        phys_addr_t     syncpt_unit_base;
+        size_t          syncpt_unit_size;
+        u32             syncpt_size;
+#endif
+
 };
 
 static inline unsigned long gk20a_get_gr_idle_timeout(struct gk20a *g)