125 lines
5.7 KiB
C
125 lines
5.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __NVIF_OBJECT_H__
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#define __NVIF_OBJECT_H__
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#include <nvif/os.h>
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struct nvif_sclass {
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s32 oclass;
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int minver;
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int maxver;
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};
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struct nvif_object {
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struct nvif_client *client;
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u32 handle;
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s32 oclass;
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void *priv; /*XXX: hack */
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struct {
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void __iomem *ptr;
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u64 size;
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} map;
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};
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int nvif_object_init(struct nvif_object *, u32 handle, s32 oclass, void *, u32,
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struct nvif_object *);
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void nvif_object_fini(struct nvif_object *);
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int nvif_object_ioctl(struct nvif_object *, void *, u32, void **);
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int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **);
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void nvif_object_sclass_put(struct nvif_sclass **);
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u32 nvif_object_rd(struct nvif_object *, int, u64);
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void nvif_object_wr(struct nvif_object *, int, u64, u32);
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int nvif_object_mthd(struct nvif_object *, u32, void *, u32);
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int nvif_object_map_handle(struct nvif_object *, void *, u32,
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u64 *handle, u64 *length);
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void nvif_object_unmap_handle(struct nvif_object *);
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int nvif_object_map(struct nvif_object *, void *, u32);
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void nvif_object_unmap(struct nvif_object *);
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#define nvif_handle(a) (unsigned long)(void *)(a)
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#define nvif_object(a) (a)->object
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#define nvif_rd(a,f,b,c) ({ \
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struct nvif_object *_object = (a); \
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u32 _data; \
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if (likely(_object->map.ptr)) \
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_data = f((u8 __iomem *)_object->map.ptr + (c)); \
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else \
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_data = nvif_object_rd(_object, (b), (c)); \
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_data; \
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})
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#define nvif_wr(a,f,b,c,d) ({ \
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struct nvif_object *_object = (a); \
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if (likely(_object->map.ptr)) \
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f((d), (u8 __iomem *)_object->map.ptr + (c)); \
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else \
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nvif_object_wr(_object, (b), (c), (d)); \
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})
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#define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); })
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#define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); })
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#define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); })
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#define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c))
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#define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c))
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#define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c))
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#define nvif_mask(a,b,c,d) ({ \
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struct nvif_object *__object = (a); \
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u32 _addr = (b), _data = nvif_rd32(__object, _addr); \
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nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \
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_data; \
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})
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#define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d))
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struct nvif_mclass {
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s32 oclass;
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int version;
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};
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#define nvif_mclass(o,m) ({ \
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struct nvif_object *object = (o); \
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struct nvif_sclass *sclass; \
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typeof(m[0]) *mclass = (m); \
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int ret = -ENODEV; \
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int cnt, i, j; \
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\
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cnt = nvif_object_sclass_get(object, &sclass); \
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if (cnt >= 0) { \
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for (i = 0; ret < 0 && mclass[i].oclass; i++) { \
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for (j = 0; j < cnt; j++) { \
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if (mclass[i].oclass == sclass[j].oclass && \
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mclass[i].version >= sclass[j].minver && \
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mclass[i].version <= sclass[j].maxver) { \
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ret = i; \
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break; \
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} \
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} \
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} \
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nvif_object_sclass_put(&sclass); \
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} \
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ret; \
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})
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#define nvif_sclass(o,m,u) ({ \
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const typeof(m[0]) *_mclass = (m); \
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s32 _oclass = (u); \
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int _cid; \
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if (_oclass) { \
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for (_cid = 0; _mclass[_cid].oclass; _cid++) { \
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if (_mclass[_cid].oclass == _oclass) \
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break; \
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} \
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_cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \
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} else { \
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_cid = nvif_mclass((o), _mclass); \
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} \
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_cid; \
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})
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/*XXX*/
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#include <core/object.h>
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#define nvxx_object(a) ({ \
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struct nvif_object *_object = (a); \
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(struct nvkm_object *)_object->priv; \
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})
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#endif
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