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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c
new file mode 100644
index 000000000..f0e21f632
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2018 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 "vmm.h"
+
+#include <subdev/fb.h>
+#include <subdev/ltc.h>
+
+#include <nvif/ifc00d.h>
+#include <nvif/unpack.h>
+
+int
+gv100_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
+{
+ u64 data[2], mask;
+ int ret = gp100_vmm_join(vmm, inst), i;
+ if (ret)
+ return ret;
+
+ nvkm_kmap(inst);
+ data[0] = nvkm_ro32(inst, 0x200);
+ data[1] = nvkm_ro32(inst, 0x204);
+ mask = BIT_ULL(0);
+
+ nvkm_wo32(inst, 0x21c, 0x00000000);
+
+ for (i = 0; i < 64; i++) {
+ if (mask & BIT_ULL(i)) {
+ nvkm_wo32(inst, 0x2a4 + (i * 0x10), data[1]);
+ nvkm_wo32(inst, 0x2a0 + (i * 0x10), data[0]);
+ } else {
+ nvkm_wo32(inst, 0x2a4 + (i * 0x10), 0x00000001);
+ nvkm_wo32(inst, 0x2a0 + (i * 0x10), 0x00000001);
+ }
+ nvkm_wo32(inst, 0x2a8 + (i * 0x10), 0x00000000);
+ }
+
+ nvkm_wo32(inst, 0x298, lower_32_bits(mask));
+ nvkm_wo32(inst, 0x29c, upper_32_bits(mask));
+ nvkm_done(inst);
+ return 0;
+}
+
+static const struct nvkm_vmm_func
+gv100_vmm = {
+ .join = gv100_vmm_join,
+ .part = gf100_vmm_part,
+ .aper = gf100_vmm_aper,
+ .valid = gp100_vmm_valid,
+ .flush = gp100_vmm_flush,
+ .mthd = gp100_vmm_mthd,
+ .invalidate_pdb = gp100_vmm_invalidate_pdb,
+ .page = {
+ { 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx },
+ { 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx },
+ { 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx },
+ { 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC },
+ { 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC },
+ { 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx },
+ {}
+ }
+};
+
+int
+gv100_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
+ void *argv, u32 argc, struct lock_class_key *key,
+ const char *name, struct nvkm_vmm **pvmm)
+{
+ return gp100_vmm_new_(&gv100_vmm, mmu, managed, addr, size,
+ argv, argc, key, name, pvmm);
+}