/* $NetBSD: object.h,v 1.10 2021/12/19 10:51:56 riastradh Exp $ */
/* SPDX-License-Identifier: MIT */
#ifndef __NVIF_OBJECT_H__
#define __NVIF_OBJECT_H__
#include <nvif/os.h>
struct nvif_sclass {
s32 oclass;
int minver;
int maxver;
};
#ifdef __NetBSD__
# define __nvif_iomem volatile
# define __iomem __nvif_iomem
#endif
struct nvif_object {
struct nvif_client *client;
u32 handle;
s32 oclass;
void *priv; /*XXX: hack */
struct {
#ifdef __NetBSD__
bus_space_tag_t tag;
bus_space_handle_t handle;
bus_addr_t addr;
#endif
void __iomem *ptr;
u64 size;
} map;
};
#ifdef __NetBSD__
# undef __iomem
#endif
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_handle(struct nvif_object *, void *, u32,
#ifdef __NetBSD__
bus_space_tag_t *,
#endif
u64 *handle, u64 *length);
void nvif_object_unmap_handle(struct nvif_object *);
int nvif_object_map(struct nvif_object *, void *, u32);
void nvif_object_unmap(struct nvif_object *);
#define nvif_handle(a) (unsigned long)(void *)(a)
#define nvif_object(a) (a)->object
#ifdef __NetBSD__
static inline uint8_t
nvif_rd08(struct nvif_object *obj, uint64_t offset)
{
if (obj->map.ptr)
return bus_space_read_1(obj->map.tag, obj->map.handle,
offset);
else
return nvif_object_rd(obj, 1, offset);
}
static inline uint16_t
nvif_rd16(struct nvif_object *obj, uint64_t offset)
{
if (obj->map.ptr)
return bus_space_read_stream_2(obj->map.tag, obj->map.handle,
offset);
else
return nvif_object_rd(obj, 2, offset);
}
static inline uint32_t
nvif_rd32(struct nvif_object *obj, uint64_t offset)
{
if (obj->map.ptr)
return bus_space_read_stream_4(obj->map.tag, obj->map.handle,
offset);
else
return nvif_object_rd(obj, 4, offset);
}
static inline void
nvif_wr08(struct nvif_object *obj, uint64_t offset, uint8_t v)
{
if (obj->map.ptr)
bus_space_write_1(obj->map.tag, obj->map.handle, offset, v);
else
nvif_object_wr(obj, 1, offset, v);
}
static inline void
nvif_wr16(struct nvif_object *obj, uint64_t offset, uint16_t v)
{
if (obj->map.ptr)
bus_space_write_stream_2(obj->map.tag, obj->map.handle, offset,
v);
else
nvif_object_wr(obj, 2, offset, v);
}
static inline void
nvif_wr32(struct nvif_object *obj, uint64_t offset, uint32_t v)
{
if (obj->map.ptr)
bus_space_write_stream_4(obj->map.tag, obj->map.handle, offset,
v);
else
nvif_object_wr(obj, 4, offset, v);
}
#else
#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))
#endif
#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))
struct nvif_mclass {
s32 oclass;
int version;
};
#define nvif_mclass(o,m) ({ \
struct nvif_object *object = (o); \
struct nvif_sclass *sclass; \
typeof(m[0]) *mclass = (m); \
int ret = -ENODEV; \
int cnt, i, j; \
\
cnt = nvif_object_sclass_get(object, &sclass); \
if (cnt >= 0) { \
for (i = 0; ret < 0 && mclass[i].oclass; i++) { \
for (j = 0; j < cnt; j++) { \
if (mclass[i].oclass == sclass[j].oclass && \
mclass[i].version >= sclass[j].minver && \
mclass[i].version <= sclass[j].maxver) { \
ret = i; \
break; \
} \
} \
} \
nvif_object_sclass_put(&sclass); \
} \
ret; \
})
#define nvif_sclass(o,m,u) ({ \
const typeof(m[0]) *_mclass = (m); \
s32 _oclass = (u); \
int _cid; \
if (_oclass) { \
for (_cid = 0; _mclass[_cid].oclass; _cid++) { \
if (_mclass[_cid].oclass == _oclass) \
break; \
} \
_cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \
} else { \
_cid = nvif_mclass((o), _mclass); \
} \
_cid; \
})
/*XXX*/
#include <core/object.h>
#define nvxx_object(a) ({ \
struct nvif_object *_object = (a); \
(struct nvkm_object *)_object->priv; \
})
#endif