linux/drivers/gpu/drm/nouveau/include/nvif/object.h
Ben Skeggs 41a634064d drm/nouveau/nvif: return min/max versions for supported object classes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:32 +10:00

76 lines
3.1 KiB
C

#ifndef __NVIF_OBJECT_H__
#define __NVIF_OBJECT_H__
#include <nvif/os.h>
struct nvif_sclass {
s32 oclass;
int minver;
int maxver;
};
struct nvif_object {
struct nvif_client *client;
u32 handle;
s32 oclass;
void *priv; /*XXX: hack */
struct {
void __iomem *ptr;
u32 size;
} map;
};
int nvif_object_init(struct nvif_object *, u32 handle, s32 oclass, void *, u32,
struct nvif_object *);
void nvif_object_fini(struct nvif_object *);
int nvif_object_ioctl(struct nvif_object *, void *, u32, void **);
int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **);
void nvif_object_sclass_put(struct nvif_sclass **);
u32 nvif_object_rd(struct nvif_object *, int, u64);
void nvif_object_wr(struct nvif_object *, int, u64, u32);
int nvif_object_mthd(struct nvif_object *, u32, void *, u32);
int nvif_object_map(struct nvif_object *);
void nvif_object_unmap(struct nvif_object *);
#define nvif_handle(a) (unsigned long)(void *)(a)
#define nvif_object(a) (a)->object
#define nvif_rd(a,f,b,c) ({ \
struct nvif_object *_object = (a); \
u32 _data; \
if (likely(_object->map.ptr)) \
_data = f((u8 __iomem *)_object->map.ptr + (c)); \
else \
_data = nvif_object_rd(_object, (b), (c)); \
_data; \
})
#define nvif_wr(a,f,b,c,d) ({ \
struct nvif_object *_object = (a); \
if (likely(_object->map.ptr)) \
f((d), (u8 __iomem *)_object->map.ptr + (c)); \
else \
nvif_object_wr(_object, (b), (c), (d)); \
})
#define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); })
#define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); })
#define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); })
#define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c))
#define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c))
#define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c))
#define nvif_mask(a,b,c,d) ({ \
struct nvif_object *__object = (a); \
u32 _addr = (b), _data = nvif_rd32(__object, _addr); \
nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \
_data; \
})
#define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d))
/*XXX*/
#include <core/object.h>
#define nvxx_object(a) ({ \
struct nvif_object *_object = (a); \
(struct nvkm_object *)_object->priv; \
})
#endif