1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memgf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memgf100.c
new file mode 100644
index 000000000000..d9c9bee45222
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/memgf100.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2017 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 "mem.h"
+
+#include <core/memory.h>
+#include <subdev/bar.h>
+#include <subdev/fb.h>
+
+#include <nvif/class.h>
+#include <nvif/if900b.h>
+#include <nvif/if900d.h>
+#include <nvif/unpack.h>
+
+int
+gf100_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
+	      u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
+{
+	struct gf100_vmm_map_v0 uvmm = {};
+	union {
+		struct gf100_mem_map_vn vn;
+		struct gf100_mem_map_v0 v0;
+	} *args = argv;
+	struct nvkm_device *device = mmu->subdev.device;
+	struct nvkm_vmm *bar = nvkm_bar_bar1_vmm(device);
+	int ret = -ENOSYS;
+
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
+		uvmm.ro   = args->v0.ro;
+		uvmm.kind = args->v0.kind;
+	} else
+	if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {
+	} else
+		return ret;
+
+	ret = nvkm_vmm_get(bar, nvkm_memory_page(memory),
+				nvkm_memory_size(memory), pvma);
+	if (ret)
+		return ret;
+
+	ret = nvkm_memory_map(memory, 0, bar, *pvma, &uvmm, sizeof(uvmm));
+	if (ret)
+		return ret;
+
+	*paddr = device->func->resource_addr(device, 1) + (*pvma)->addr;
+	*psize = (*pvma)->size;
+	return 0;
+}
+
+int
+gf100_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,
+	      void *argv, u32 argc, struct nvkm_memory **pmemory)
+{
+	union {
+		struct gf100_mem_vn vn;
+		struct gf100_mem_v0 v0;
+	} *args = argv;
+	int ret = -ENOSYS;
+	bool contig;
+
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
+		contig = args->v0.contig;
+	} else
+	if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {
+		contig = false;
+	} else
+		return ret;
+
+	if (mmu->type[type].type & (NVKM_MEM_DISP | NVKM_MEM_COMP))
+		type = NVKM_RAM_MM_NORMAL;
+	else
+		type = NVKM_RAM_MM_MIXED;
+
+	return nvkm_ram_get(mmu->subdev.device, type, 0x01, page,
+			    size, contig, false, pmemory);
+}