1 files changed, 157 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
new file mode 100644
index 000000000..96ccc624e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
@@ -0,0 +1,157 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NVKM_FB_H__
+#define __NVKM_FB_H__
+#include <core/subdev.h>
+#include <core/mm.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 NVKM_RAM_TYPE_VM 0x7f
+#define NV_MEM_COMP_VM 0x03
+
+struct nvkm_fb_tile {
+	struct nvkm_mm_node *tag;
+	u32 addr;
+	u32 limit;
+	u32 pitch;
+	u32 zcomp;
+};
+
+struct nvkm_fb {
+	const struct nvkm_fb_func *func;
+	struct nvkm_subdev subdev;
+
+	struct nvkm_ram *ram;
+	struct nvkm_mm tags;
+
+	struct {
+		struct nvkm_fb_tile region[16];
+		int regions;
+	} tile;
+
+	u8 page;
+
+	struct nvkm_memory *mmu_rd;
+	struct nvkm_memory *mmu_wr;
+};
+
+void nvkm_fb_tile_init(struct nvkm_fb *, int region, u32 addr, u32 size,
+		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
+void nvkm_fb_tile_fini(struct nvkm_fb *, int region, struct nvkm_fb_tile *);
+void nvkm_fb_tile_prog(struct nvkm_fb *, int region, struct nvkm_fb_tile *);
+
+int nv04_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv10_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv1a_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv20_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv25_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv30_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv35_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv36_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv40_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv41_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv44_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv46_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv47_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv49_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv4e_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv50_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int g84_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gt215_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int mcp77_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int mcp89_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gf100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gf108_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gk104_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gk110_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gk20a_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gm107_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gm200_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gm20b_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gp100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gp102_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gp10b_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gv100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+
+#include <subdev/bios.h>
+#include <subdev/bios/ramcfg.h>
+
+struct nvkm_ram_data {
+	struct list_head head;
+	struct nvbios_ramcfg bios;
+	u32 freq;
+};
+
+enum nvkm_ram_type {
+	NVKM_RAM_TYPE_UNKNOWN = 0,
+	NVKM_RAM_TYPE_STOLEN,
+	NVKM_RAM_TYPE_SGRAM,
+	NVKM_RAM_TYPE_SDRAM,
+	NVKM_RAM_TYPE_DDR1,
+	NVKM_RAM_TYPE_DDR2,
+	NVKM_RAM_TYPE_DDR3,
+	NVKM_RAM_TYPE_GDDR2,
+	NVKM_RAM_TYPE_GDDR3,
+	NVKM_RAM_TYPE_GDDR4,
+	NVKM_RAM_TYPE_GDDR5
+};
+
+struct nvkm_ram {
+	const struct nvkm_ram_func *func;
+	struct nvkm_fb *fb;
+	enum nvkm_ram_type type;
+	u64 size;
+
+#define NVKM_RAM_MM_SHIFT 12
+#define NVKM_RAM_MM_ANY    (NVKM_MM_HEAP_ANY + 0)
+#define NVKM_RAM_MM_NORMAL (NVKM_MM_HEAP_ANY + 1)
+#define NVKM_RAM_MM_NOMAP  (NVKM_MM_HEAP_ANY + 2)
+#define NVKM_RAM_MM_MIXED  (NVKM_MM_HEAP_ANY + 3)
+	struct nvkm_mm vram;
+	u64 stolen;
+
+	int ranks;
+	int parts;
+	int part_mask;
+
+	u32 freq;
+	u32 mr[16];
+	u32 mr1_nuts;
+
+	struct nvkm_ram_data *next;
+	struct nvkm_ram_data former;
+	struct nvkm_ram_data xition;
+	struct nvkm_ram_data target;
+};
+
+int
+nvkm_ram_get(struct nvkm_device *, u8 heap, u8 type, u8 page, u64 size,
+	     bool contig, bool back, struct nvkm_memory **);
+
+struct nvkm_ram_func {
+	u64 upper;
+	u32 (*probe_fbp)(const struct nvkm_ram_func *, struct nvkm_device *,
+			 int fbp, int *pltcs);
+	u32 (*probe_fbp_amount)(const struct nvkm_ram_func *, u32 fbpao,
+				struct nvkm_device *, int fbp, int *pltcs);
+	u32 (*probe_fbpa_amount)(struct nvkm_device *, int fbpa);
+	void *(*dtor)(struct nvkm_ram *);
+	int (*init)(struct nvkm_ram *);
+
+	int (*calc)(struct nvkm_ram *, u32 freq);
+	int (*prog)(struct nvkm_ram *);
+	void (*tidy)(struct nvkm_ram *);
+};
+#endif