5 files changed, 200 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild
new file mode 100644
index 000000000..7f61a1ed1
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/Kbuild
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: MIT
+nvkm-y += nvkm/subdev/gsp/base.o
+nvkm-y += nvkm/subdev/gsp/gv100.o
+nvkm-y += nvkm/subdev/gsp/ga102.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c
new file mode 100644
index 000000000..591ac95c2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c
@@ -0,0 +1,59 @@
+/*
+ * 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 "priv.h"
+#include <core/falcon.h>
+#include <core/firmware.h>
+#include <subdev/acr.h>
+#include <subdev/top.h>
+
+static void *
+nvkm_gsp_dtor(struct nvkm_subdev *subdev)
+{
+	struct nvkm_gsp *gsp = nvkm_gsp(subdev);
+	nvkm_falcon_dtor(&gsp->falcon);
+	return gsp;
+}
+
+static const struct nvkm_subdev_func
+nvkm_gsp = {
+	.dtor = nvkm_gsp_dtor,
+};
+
+int
+nvkm_gsp_new_(const struct nvkm_gsp_fwif *fwif, struct nvkm_device *device,
+	      enum nvkm_subdev_type type, int inst, struct nvkm_gsp **pgsp)
+{
+	struct nvkm_gsp *gsp;
+
+	if (!(gsp = *pgsp = kzalloc(sizeof(*gsp), GFP_KERNEL)))
+		return -ENOMEM;
+
+	nvkm_subdev_ctor(&nvkm_gsp, device, type, inst, &gsp->subdev);
+
+	fwif = nvkm_firmware_load(&gsp->subdev, fwif, "Gsp", gsp);
+	if (IS_ERR(fwif))
+		return PTR_ERR(fwif);
+
+	gsp->func = fwif->func;
+
+	return nvkm_falcon_ctor(gsp->func->flcn, &gsp->subdev, gsp->subdev.name, 0, &gsp->falcon);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ga102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ga102.c
new file mode 100644
index 000000000..525267412
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ga102.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2021 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_falcon_func
+ga102_gsp_flcn = {
+	.disable = gm200_flcn_disable,
+	.enable = gm200_flcn_enable,
+	.select = ga102_flcn_select,
+	.addr2 = 0x1000,
+	.reset_eng = gp102_flcn_reset_eng,
+	.reset_prep = ga102_flcn_reset_prep,
+	.reset_wait_mem_scrubbing = ga102_flcn_reset_wait_mem_scrubbing,
+	.imem_dma = &ga102_flcn_dma,
+	.dmem_dma = &ga102_flcn_dma,
+};
+
+static const struct nvkm_gsp_func
+ga102_gsp = {
+	.flcn = &ga102_gsp_flcn,
+};
+
+static int
+ga102_gsp_nofw(struct nvkm_gsp *gsp, int ver, const struct nvkm_gsp_fwif *fwif)
+{
+	return 0;
+}
+
+struct nvkm_gsp_fwif
+ga102_gsps[] = {
+	{ -1, ga102_gsp_nofw, &ga102_gsp },
+	{}
+};
+
+int
+ga102_gsp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	      struct nvkm_gsp **pgsp)
+{
+	return nvkm_gsp_new_(ga102_gsps, device, type, inst, pgsp);
+}
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 000000000..da6a809cd
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c
@@ -0,0 +1,59 @@
+/*
+ * 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 "priv.h"
+
+static const struct nvkm_falcon_func
+gv100_gsp_flcn = {
+	.disable = gm200_flcn_disable,
+	.enable = gm200_flcn_enable,
+	.reset_eng = gp102_flcn_reset_eng,
+	.reset_wait_mem_scrubbing = gm200_flcn_reset_wait_mem_scrubbing,
+	.bind_inst = gm200_flcn_bind_inst,
+	.bind_stat = gm200_flcn_bind_stat,
+	.bind_intr = true,
+	.imem_pio = &gm200_flcn_imem_pio,
+	.dmem_pio = &gm200_flcn_dmem_pio,
+};
+
+static const struct nvkm_gsp_func
+gv100_gsp = {
+	.flcn = &gv100_gsp_flcn,
+};
+
+static int
+gv100_gsp_nofw(struct nvkm_gsp *gsp, int ver, const struct nvkm_gsp_fwif *fwif)
+{
+	return 0;
+}
+
+static struct nvkm_gsp_fwif
+gv100_gsps[] = {
+	{ -1, gv100_gsp_nofw, &gv100_gsp },
+	{}
+};
+
+int
+gv100_gsp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	      struct nvkm_gsp **pgsp)
+{
+	return nvkm_gsp_new_(gv100_gsps, device, type, inst, pgsp);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/priv.h
new file mode 100644
index 000000000..89749a402
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/priv.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_GSP_PRIV_H__
+#define __NVKM_GSP_PRIV_H__
+#include <subdev/gsp.h>
+enum nvkm_acr_lsf_id;
+
+struct nvkm_gsp_func {
+	const struct nvkm_falcon_func *flcn;
+};
+
+struct nvkm_gsp_fwif {
+	int version;
+	int (*load)(struct nvkm_gsp *, int ver, const struct nvkm_gsp_fwif *);
+	const struct nvkm_gsp_func *func;
+};
+
+int nvkm_gsp_new_(const struct nvkm_gsp_fwif *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		  struct nvkm_gsp **);
+#endif