1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/fb.h b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
new file mode 100644
index 000000000000..5c1b5e1904f9
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
@@ -0,0 +1,134 @@
+#ifndef __NOUVEAU_FB_H__
+#define __NOUVEAU_FB_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+#include <core/mm.h>
+
+#include <subdev/vm.h>
+
+/* memory type/access flags, do not match hardware values */
+#define NV_MEM_ACCESS_RO  1
+#define NV_MEM_ACCESS_WO  2
+#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
+#define NV_MEM_ACCESS_SYS 4
+#define NV_MEM_ACCESS_VM  8
+#define NV_MEM_ACCESS_NOSNOOP 16
+
+#define NV_MEM_TARGET_VRAM        0
+#define NV_MEM_TARGET_PCI         1
+#define NV_MEM_TARGET_PCI_NOSNOOP 2
+#define NV_MEM_TARGET_VM          3
+#define NV_MEM_TARGET_GART        4
+
+#define NV_MEM_TYPE_VM 0x7f
+#define NV_MEM_COMP_VM 0x03
+
+struct nouveau_mem {
+	struct drm_device *dev;
+
+	struct nouveau_vma bar_vma;
+	struct nouveau_vma vma[2];
+	u8  page_shift;
+
+	struct nouveau_mm_node *tag;
+	struct list_head regions;
+	dma_addr_t *pages;
+	u32 memtype;
+	u64 offset;
+	u64 size;
+	struct sg_table *sg;
+};
+
+struct nouveau_fb_tile {
+	struct nouveau_mm_node *tag;
+	u32 addr;
+	u32 limit;
+	u32 pitch;
+	u32 zcomp;
+};
+
+struct nouveau_fb {
+	struct nouveau_subdev base;
+
+	bool (*memtype_valid)(struct nouveau_fb *, u32 memtype);
+
+	struct {
+		enum {
+			NV_MEM_TYPE_UNKNOWN = 0,
+			NV_MEM_TYPE_STOLEN,
+			NV_MEM_TYPE_SGRAM,
+			NV_MEM_TYPE_SDRAM,
+			NV_MEM_TYPE_DDR1,
+			NV_MEM_TYPE_DDR2,
+			NV_MEM_TYPE_DDR3,
+			NV_MEM_TYPE_GDDR2,
+			NV_MEM_TYPE_GDDR3,
+			NV_MEM_TYPE_GDDR4,
+			NV_MEM_TYPE_GDDR5
+		} type;
+		u64 stolen;
+		u64 size;
+		int ranks;
+
+		int  (*get)(struct nouveau_fb *, u64 size, u32 align,
+			    u32 size_nc, u32 type, struct nouveau_mem **);
+		void (*put)(struct nouveau_fb *, struct nouveau_mem **);
+	} ram;
+
+	struct nouveau_mm vram;
+	struct nouveau_mm tags;
+
+	struct {
+		struct nouveau_fb_tile region[16];
+		int regions;
+		void (*init)(struct nouveau_fb *, int i, u32 addr, u32 size,
+			     u32 pitch, u32 flags, struct nouveau_fb_tile *);
+		void (*fini)(struct nouveau_fb *, int i,
+			     struct nouveau_fb_tile *);
+		void (*prog)(struct nouveau_fb *, int i,
+			     struct nouveau_fb_tile *);
+	} tile;
+};
+
+static inline struct nouveau_fb *
+nouveau_fb(void *obj)
+{
+	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_FB];
+}
+
+#define nouveau_fb_create(p,e,c,d)                                             \
+	nouveau_subdev_create((p), (e), (c), 0, "PFB", "fb", (d))
+int  nouveau_fb_created(struct nouveau_fb *);
+void nouveau_fb_destroy(struct nouveau_fb *);
+int  nouveau_fb_init(struct nouveau_fb *);
+#define nouveau_fb_fini(p,s)                                                   \
+	nouveau_subdev_fini(&(p)->base, (s))
+
+void _nouveau_fb_dtor(struct nouveau_object *);
+int  _nouveau_fb_init(struct nouveau_object *);
+#define _nouveau_fb_fini _nouveau_subdev_fini
+
+extern struct nouveau_oclass nv04_fb_oclass;
+extern struct nouveau_oclass nv10_fb_oclass;
+extern struct nouveau_oclass nv20_fb_oclass;
+extern struct nouveau_oclass nv30_fb_oclass;
+extern struct nouveau_oclass nv40_fb_oclass;
+extern struct nouveau_oclass nv50_fb_oclass;
+extern struct nouveau_oclass nvc0_fb_oclass;
+
+struct nouveau_bios;
+int  nouveau_fb_bios_memtype(struct nouveau_bios *);
+
+bool nv04_fb_memtype_valid(struct nouveau_fb *, u32 memtype);
+
+void nv10_fb_tile_prog(struct nouveau_fb *, int, struct nouveau_fb_tile *);
+
+void nv30_fb_tile_init(struct nouveau_fb *, int i, u32 addr, u32 size,
+		       u32 pitch, u32 flags, struct nouveau_fb_tile *);
+void nv30_fb_tile_fini(struct nouveau_fb *, int i, struct nouveau_fb_tile *);
+
+void nv50_fb_vram_del(struct nouveau_fb *, struct nouveau_mem **);
+void nv50_fb_trap(struct nouveau_fb *, int display);
+
+#endif