1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NVIF_OBJECT_H__ 3 #define __NVIF_OBJECT_H__ 4 5 #include <nvif/os.h> 6 7 struct nvif_sclass { 8 s32 oclass; 9 int minver; 10 int maxver; 11 }; 12 13 struct nvif_object { 14 struct nvif_client *client; 15 u32 handle; 16 s32 oclass; 17 void *priv; /*XXX: hack */ 18 struct { 19 void __iomem *ptr; 20 u64 size; 21 } map; 22 }; 23 24 int nvif_object_init(struct nvif_object *, u32 handle, s32 oclass, void *, u32, 25 struct nvif_object *); 26 void nvif_object_fini(struct nvif_object *); 27 int nvif_object_ioctl(struct nvif_object *, void *, u32, void **); 28 int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **); 29 void nvif_object_sclass_put(struct nvif_sclass **); 30 u32 nvif_object_rd(struct nvif_object *, int, u64); 31 void nvif_object_wr(struct nvif_object *, int, u64, u32); 32 int nvif_object_mthd(struct nvif_object *, u32, void *, u32); 33 int nvif_object_map_handle(struct nvif_object *, void *, u32, 34 u64 *handle, u64 *length); 35 void nvif_object_unmap_handle(struct nvif_object *); 36 int nvif_object_map(struct nvif_object *, void *, u32); 37 void nvif_object_unmap(struct nvif_object *); 38 39 #define nvif_handle(a) (unsigned long)(void *)(a) 40 #define nvif_object(a) (a)->object 41 42 #define nvif_rd(a,f,b,c) ({ \ 43 struct nvif_object *_object = (a); \ 44 u32 _data; \ 45 if (likely(_object->map.ptr)) \ 46 _data = f((u8 __iomem *)_object->map.ptr + (c)); \ 47 else \ 48 _data = nvif_object_rd(_object, (b), (c)); \ 49 _data; \ 50 }) 51 #define nvif_wr(a,f,b,c,d) ({ \ 52 struct nvif_object *_object = (a); \ 53 if (likely(_object->map.ptr)) \ 54 f((d), (u8 __iomem *)_object->map.ptr + (c)); \ 55 else \ 56 nvif_object_wr(_object, (b), (c), (d)); \ 57 }) 58 #define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); }) 59 #define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); }) 60 #define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); }) 61 #define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c)) 62 #define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c)) 63 #define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c)) 64 #define nvif_mask(a,b,c,d) ({ \ 65 struct nvif_object *__object = (a); \ 66 u32 _addr = (b), _data = nvif_rd32(__object, _addr); \ 67 nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \ 68 _data; \ 69 }) 70 71 #define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d)) 72 73 struct nvif_mclass { 74 s32 oclass; 75 int version; 76 }; 77 78 #define nvif_mclass(o,m) ({ \ 79 struct nvif_object *object = (o); \ 80 struct nvif_sclass *sclass; \ 81 typeof(m[0]) *mclass = (m); \ 82 int ret = -ENODEV; \ 83 int cnt, i, j; \ 84 \ 85 cnt = nvif_object_sclass_get(object, &sclass); \ 86 if (cnt >= 0) { \ 87 for (i = 0; ret < 0 && mclass[i].oclass; i++) { \ 88 for (j = 0; j < cnt; j++) { \ 89 if (mclass[i].oclass == sclass[j].oclass && \ 90 mclass[i].version >= sclass[j].minver && \ 91 mclass[i].version <= sclass[j].maxver) { \ 92 ret = i; \ 93 break; \ 94 } \ 95 } \ 96 } \ 97 nvif_object_sclass_put(&sclass); \ 98 } \ 99 ret; \ 100 }) 101 102 #define nvif_sclass(o,m,u) ({ \ 103 const typeof(m[0]) *_mclass = (m); \ 104 s32 _oclass = (u); \ 105 int _cid; \ 106 if (_oclass) { \ 107 for (_cid = 0; _mclass[_cid].oclass; _cid++) { \ 108 if (_mclass[_cid].oclass == _oclass) \ 109 break; \ 110 } \ 111 _cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \ 112 } else { \ 113 _cid = nvif_mclass((o), _mclass); \ 114 } \ 115 _cid; \ 116 }) 117 118 /*XXX*/ 119 #include <core/object.h> 120 #define nvxx_object(a) ({ \ 121 struct nvif_object *_object = (a); \ 122 (struct nvkm_object *)_object->priv; \ 123 }) 124 #endif 125