5 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild b/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild
index 9ffe7b921c..d6b0155644 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/Kbuild
@@ -8,5 +8,6 @@ nvkm-y += nvkm/falcon/v1.o
 
 nvkm-y += nvkm/falcon/gm200.o
 nvkm-y += nvkm/falcon/gp102.o
+nvkm-y += nvkm/falcon/tu102.o
 nvkm-y += nvkm/falcon/ga100.o
 nvkm-y += nvkm/falcon/ga102.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c
index 235149f73a..3b790865ae 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c
@@ -25,6 +25,22 @@
 #include <subdev/timer.h>
 #include <subdev/top.h>
 
+void
+nvkm_falcon_intr_retrigger(struct nvkm_falcon *falcon)
+{
+	if (falcon->func->intr_retrigger)
+		falcon->func->intr_retrigger(falcon);
+}
+
+bool
+nvkm_falcon_riscv_active(struct nvkm_falcon *falcon)
+{
+	if (!falcon->func->riscv_active)
+		return false;
+
+	return falcon->func->riscv_active(falcon);
+}
+
 static const struct nvkm_falcon_func_dma *
 nvkm_falcon_dma(struct nvkm_falcon *falcon, enum nvkm_falcon_mem *mem_type, u32 *mem_base)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/ga100.c b/drivers/gpu/drm/nouveau/nvkm/falcon/ga100.c
index 49fd329439..5db94fb10a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/ga100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/ga100.c
@@ -21,6 +21,12 @@
  */
 #include "priv.h"
 
+void
+ga100_flcn_intr_retrigger(struct nvkm_falcon *falcon)
+{
+	nvkm_falcon_wr32(falcon, 0x3e8, 0x00000001);
+}
+
 int
 ga100_flcn_fw_signature(struct nvkm_falcon_fw *fw, u32 *src_base_src)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c b/drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c
index 0ff450fe35..834afa45f2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/ga102.c
@@ -24,6 +24,12 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 
+bool
+ga102_flcn_riscv_active(struct nvkm_falcon *falcon)
+{
+	return (nvkm_falcon_rd32(falcon, falcon->addr2 + 0x388) & 0x00000080) != 0;
+}
+
 static bool
 ga102_flcn_dma_done(struct nvkm_falcon *falcon)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/tu102.c b/drivers/gpu/drm/nouveau/nvkm/falcon/tu102.c
new file mode 100644
index 0000000000..3999182194
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/tu102.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2023 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "priv.h"
+
+bool
+tu102_flcn_riscv_active(struct nvkm_falcon *falcon)
+{
+	return (nvkm_falcon_rd32(falcon, falcon->addr2 + 0x240) & 0x00000001) != 0;
+}