drm/nouveau/mmu: convert to new-style nvkm_subdev

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

2 files changed, 16 insertions, 57 deletions

diff --git a/drivers/gpu/drm/nouveau/include/nvif/device.h b/drivers/gpu/drm/nouveau/include/nvif/device.h
index 66d1bc23f3d7..383a47270f3e 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/device.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/device.h
@@ -52,7 +52,7 @@ u64  nvif_device_time(struct nvif_device *);
 })
 #define nvxx_bios(a) nvxx_device(a)->bios
 #define nvxx_fb(a) nvxx_device(a)->fb
-#define nvxx_mmu(a) nvkm_mmu(nvxx_device(a))
+#define nvxx_mmu(a) nvxx_device(a)->mmu
 #define nvxx_bar(a) nvxx_device(a)->bar
 #define nvxx_gpio(a) nvxx_device(a)->gpio
 #define nvxx_clk(a) nvxx_device(a)->clk
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index ba4183cedf7e..26c77aac4be4 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -39,62 +39,6 @@ struct nvkm_vm {
 	u32 lpde;
 };
 
-struct nvkm_mmu {
-	struct nvkm_subdev subdev;
-
-	u64 limit;
-	u8  dma_bits;
-	u32 pgt_bits;
-	u8  spg_shift;
-	u8  lpg_shift;
-
-	int  (*create)(struct nvkm_mmu *, u64 offset, u64 length,
-		       u64 mm_offset, struct lock_class_key *,
-		       struct nvkm_vm **);
-
-	void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde,
-			struct nvkm_memory *pgt[2]);
-	void (*map)(struct nvkm_vma *, struct nvkm_memory *,
-		    struct nvkm_mem *, u32 pte, u32 cnt,
-		    u64 phys, u64 delta);
-	void (*map_sg)(struct nvkm_vma *, struct nvkm_memory *,
-		       struct nvkm_mem *, u32 pte, u32 cnt, dma_addr_t *);
-	void (*unmap)(struct nvkm_vma *, struct nvkm_memory *pgt,
-		      u32 pte, u32 cnt);
-	void (*flush)(struct nvkm_vm *);
-};
-
-static inline struct nvkm_mmu *
-nvkm_mmu(void *obj)
-{
-	return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_MMU);
-}
-
-#define nvkm_mmu_create(p,e,o,i,f,d)                                      \
-	nvkm_subdev_create((p), (e), (o), 0, (i), (f), (d))
-#define nvkm_mmu_destroy(p)                                               \
-	nvkm_subdev_destroy(&(p)->subdev)
-#define nvkm_mmu_init(p)                                                  \
-	nvkm_subdev_init_old(&(p)->subdev)
-#define nvkm_mmu_fini(p,s)                                                \
-	nvkm_subdev_fini_old(&(p)->subdev, (s))
-
-#define _nvkm_mmu_dtor _nvkm_subdev_dtor
-#define _nvkm_mmu_init _nvkm_subdev_init
-#define _nvkm_mmu_fini _nvkm_subdev_fini
-
-extern struct nvkm_oclass nv04_mmu_oclass;
-extern struct nvkm_oclass nv41_mmu_oclass;
-extern struct nvkm_oclass nv44_mmu_oclass;
-extern struct nvkm_oclass nv50_mmu_oclass;
-extern struct nvkm_oclass gf100_mmu_oclass;
-
-int  nv04_vm_create(struct nvkm_mmu *, u64, u64, u64, struct lock_class_key *,
-		    struct nvkm_vm **);
-void nv04_mmu_dtor(struct nvkm_object *);
-
-int  nvkm_vm_create(struct nvkm_mmu *, u64 offset, u64 length, u64 mm_offset,
-		    u32 block, struct lock_class_key *, struct nvkm_vm **);
 int  nvkm_vm_new(struct nvkm_device *, u64 offset, u64 length, u64 mm_offset,
 		 struct lock_class_key *, struct nvkm_vm **);
 int  nvkm_vm_ref(struct nvkm_vm *, struct nvkm_vm **, struct nvkm_gpuobj *pgd);
@@ -106,4 +50,19 @@ void nvkm_vm_map(struct nvkm_vma *, struct nvkm_mem *);
 void nvkm_vm_map_at(struct nvkm_vma *, u64 offset, struct nvkm_mem *);
 void nvkm_vm_unmap(struct nvkm_vma *);
 void nvkm_vm_unmap_at(struct nvkm_vma *, u64 offset, u64 length);
+
+struct nvkm_mmu {
+	const struct nvkm_mmu_func *func;
+	struct nvkm_subdev subdev;
+
+	u64 limit;
+	u8  dma_bits;
+	u8  lpg_shift;
+};
+
+int nv04_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int nv41_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int nv44_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int nv50_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
+int gf100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
 #endif