drm/nouveau/gsp/gv100-: instantiate GSP falcon

We need this for Turing ACR, but it's present from Volta onwards.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c
new file mode 100644
index 000000000000..dccfaf1162e2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2019 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 <subdev/gsp.h>
+#include <subdev/top.h>
+#include <engine/falcon.h>
+
+static int
+gv100_gsp_oneinit(struct nvkm_subdev *subdev)
+{
+	struct nvkm_gsp *gsp = nvkm_gsp(subdev);
+
+	gsp->addr = nvkm_top_addr(subdev->device, subdev->index);
+	if (!gsp->addr)
+		return -EINVAL;
+
+	return nvkm_falcon_v1_new(subdev, "GSP", gsp->addr, &gsp->falcon);
+}
+
+static void *
+gv100_gsp_dtor(struct nvkm_subdev *subdev)
+{
+	struct nvkm_gsp *gsp = nvkm_gsp(subdev);
+	nvkm_falcon_del(&gsp->falcon);
+	return gsp;
+}
+
+static const struct nvkm_subdev_func
+gv100_gsp = {
+	.dtor = gv100_gsp_dtor,
+	.oneinit = gv100_gsp_oneinit,
+};
+
+int
+gv100_gsp_new(struct nvkm_device *device, int index, struct nvkm_gsp **pgsp)
+{
+	struct nvkm_gsp *gsp;
+
+	if (!(gsp = *pgsp = kzalloc(sizeof(*gsp), GFP_KERNEL)))
+		return -ENOMEM;
+
+	nvkm_subdev_ctor(&gv100_gsp, device, index, &gsp->subdev);
+	return 0;
+}