drm/nouveau/gsp/r535: add support for booting GSP-RM

This commit adds the initial code needed to boot the GSP-RM firmware
provided by NVIDIA, bringing with it the beginnings of Ada support.

Until it's had more testing and time to bake, support is disabled by
default (except on Ada).  GSP-RM usage can be enabled by passing the
"config=NvGspRm=1" module option.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-33-skeggsb@gmail.com

1 files changed, 57 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ad102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ad102.c
new file mode 100644
index 000000000000..0ca6c397de96
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ad102.c
@@ -0,0 +1,57 @@
+/*
+ * 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"
+
+static const struct nvkm_gsp_func
+ad102_gsp_r535_54_03 = {
+	.flcn = &ga102_gsp_flcn,
+	.fwsec = &ga102_gsp_fwsec,
+
+	.sig_section = ".fwsignature_ad10x",
+
+	.wpr_heap.os_carveout_size = 20 << 20,
+	.wpr_heap.base_size = 8 << 20,
+	.wpr_heap.min_size = 84 << 20,
+
+	.booter.ctor = ga102_gsp_booter_ctor,
+
+	.dtor = r535_gsp_dtor,
+	.oneinit = tu102_gsp_oneinit,
+	.init = r535_gsp_init,
+	.fini = r535_gsp_fini,
+	.reset = ga102_gsp_reset,
+
+	.rm = &r535_gsp_rm,
+};
+
+static struct nvkm_gsp_fwif
+ad102_gsps[] = {
+	{ 0, r535_gsp_load, &ad102_gsp_r535_54_03, "535.54.03", true },
+	{}
+};
+
+int
+ad102_gsp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	      struct nvkm_gsp **pgsp)
+{
+	return nvkm_gsp_new_(ad102_gsps, device, type, inst, pgsp);
+}