[linux-2.6-block.git] / drivers / gpu / drm / nouveau / nouveau_bo.h

#ifndef __NOUVEAU_BO_H__
#define __NOUVEAU_BO_H__

#include <drm/drm_gem.h>

struct nouveau_channel;
struct nouveau_fence;
struct nvkm_vma;

struct nouveau_bo {
	struct ttm_buffer_object bo;
	struct ttm_placement placement;
	u32 valid_domains;
	struct ttm_place placements[3];
	struct ttm_place busy_placements[3];
	bool force_coherent;
	struct ttm_bo_kmap_obj kmap;
	struct list_head head;

	/* protected by ttm_bo_reserve() */
	struct drm_file *reserved_by;
	struct list_head entry;
	int pbbo_index;
	bool validate_mapped;

	struct list_head vma_list;
	unsigned page_shift;

	u32 tile_mode;
	u32 tile_flags;
	struct nouveau_drm_tile *tile;

	/* Only valid if allocated via nouveau_gem_new() and iff you hold a
	 * gem reference to it! For debugging, use gem.filp != NULL to test
	 * whether it is valid. */
	struct drm_gem_object gem;

	/* protect by the ttm reservation lock */
	int pin_refcnt;

	struct ttm_bo_kmap_obj dma_buf_vmap;
};

static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object *bo)
{
	return container_of(bo, struct nouveau_bo, bo);
}

static inline int
nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
{
	struct nouveau_bo *prev;

	if (!pnvbo)
		return -EINVAL;
	prev = *pnvbo;

	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
	if (prev) {
		struct ttm_buffer_object *bo = &prev->bo;

		ttm_bo_unref(&bo);
	}

	return 0;
}

extern struct ttm_bo_driver nouveau_bo_driver;

void nouveau_bo_move_init(struct nouveau_drm *);
int  nouveau_bo_new(struct drm_device *, int size, int align, u32 flags,
		    u32 tile_mode, u32 tile_flags, struct sg_table *sg,
		    struct reservation_object *robj,
		    struct nouveau_bo **);
int  nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
int  nouveau_bo_unpin(struct nouveau_bo *);
int  nouveau_bo_map(struct nouveau_bo *);
void nouveau_bo_unmap(struct nouveau_bo *);
void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
u32  nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
int  nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
			 bool no_wait_gpu);
void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);

struct nvkm_vma *
nouveau_bo_vma_find(struct nouveau_bo *, struct nvkm_vm *);

int  nouveau_bo_vma_add(struct nouveau_bo *, struct nvkm_vm *,
			struct nvkm_vma *);
void nouveau_bo_vma_del(struct nouveau_bo *, struct nvkm_vma *);

/* TODO: submit equivalent to TTM generic API upstream? */
static inline void __iomem *
nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
{
	bool is_iomem;
	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
						&nvbo->kmap, &is_iomem);
	WARN_ON_ONCE(ioptr && !is_iomem);
	return ioptr;
}

#endif
Commit	Line	Data
8be21a64 BS	1	#ifndef __NOUVEAU_BO_H__
	2	#define __NOUVEAU_BO_H__
	3
d9fc9413 DV	4	#include <drm/drm_gem.h>
d9fc9413 DV	5
8be21a64	6	struct nouveau_channel;
ebb945a9	7	struct nouveau_fence;
be83cd4e	8	struct nvkm_vma;
8be21a64	9
8be21a64 BS	10	struct nouveau_bo {
	11	struct ttm_buffer_object bo;
	12	struct ttm_placement placement;
	13	u32 valid_domains;
f1217ed0 CK	14	struct ttm_place placements[3];
f1217ed0 CK	15	struct ttm_place busy_placements[3];
c3a0c771	16	bool force_coherent;
8be21a64 BS	17	struct ttm_bo_kmap_obj kmap;
	18	struct list_head head;
	19
	20	/* protected by ttm_bo_reserve() */
	21	struct drm_file *reserved_by;
	22	struct list_head entry;
	23	int pbbo_index;
	24	bool validate_mapped;
	25
	26	struct list_head vma_list;
	27	unsigned page_shift;
	28
	29	u32 tile_mode;
	30	u32 tile_flags;
ebb945a9	31	struct nouveau_drm_tile *tile;
8be21a64	32
55fb74ad DH	33	/* Only valid if allocated via nouveau_gem_new() and iff you hold a
	34	* gem reference to it! For debugging, use gem.filp != NULL to test
	35	* whether it is valid. */
	36	struct drm_gem_object gem;
0ae6d7bc DV	37
0ae6d7bc DV	38	/* protect by the ttm reservation lock */
8be21a64 BS	39	int pin_refcnt;
	40
	41	struct ttm_bo_kmap_obj dma_buf_vmap;
8be21a64 BS	42	};
	43
	44	static inline struct nouveau_bo *
	45	nouveau_bo(struct ttm_buffer_object *bo)
	46	{
	47	return container_of(bo, struct nouveau_bo, bo);
	48	}
	49
	50	static inline int
	51	nouveau_bo_ref(struct nouveau_bo ref, struct nouveau_bo *pnvbo)
	52	{
	53	struct nouveau_bo *prev;
	54
	55	if (!pnvbo)
	56	return -EINVAL;
	57	prev = *pnvbo;
	58
	59	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
	60	if (prev) {
	61	struct ttm_buffer_object *bo = &prev->bo;
	62
	63	ttm_bo_unref(&bo);
	64	}
	65
	66	return 0;
	67	}
	68
	69	extern struct ttm_bo_driver nouveau_bo_driver;
	70
49981046	71	void nouveau_bo_move_init(struct nouveau_drm *);
8be21a64 BS	72	int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags,
8be21a64 BS	73	u32 tile_mode, u32 tile_flags, struct sg_table *sg,
bb6178b0	74	struct reservation_object *robj,
8be21a64	75	struct nouveau_bo **);
ad76b3f7	76	int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
8be21a64 BS	77	int nouveau_bo_unpin(struct nouveau_bo *);
	78	int nouveau_bo_map(struct nouveau_bo *);
	79	void nouveau_bo_unmap(struct nouveau_bo *);
	80	void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
8be21a64 BS	81	void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
	82	u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
	83	void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
809e9447	84	void nouveau_bo_fence(struct nouveau_bo , struct nouveau_fence , bool exclusive);
8be21a64	85	int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
97a875cb	86	bool no_wait_gpu);
b22870ba AC	87	void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
b22870ba AC	88	void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
8be21a64	89
be83cd4e BS	90	struct nvkm_vma *
be83cd4e BS	91	nouveau_bo_vma_find(struct nouveau_bo , struct nvkm_vm );
8be21a64	92
be83cd4e BS	93	int nouveau_bo_vma_add(struct nouveau_bo , struct nvkm_vm ,
	94	struct nvkm_vma *);
	95	void nouveau_bo_vma_del(struct nouveau_bo , struct nvkm_vma );
8be21a64	96
ebb945a9 BS	97	/* TODO: submit equivalent to TTM generic API upstream? */
	98	static inline void __iomem *
	99	nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
	100	{
	101	bool is_iomem;
	102	void __iomem ioptr = (void __force __iomem )ttm_kmap_obj_virtual(
	103	&nvbo->kmap, &is_iomem);
	104	WARN_ON_ONCE(ioptr && !is_iomem);
	105	return ioptr;
	106	}
	107
8be21a64	108	#endif