1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NVIF_OBJECT_H__ 3 #define __NVIF_OBJECT_H__ 4 #include <nvif/os.h> 5 6 struct nvif_sclass { 7 s32 oclass; 8 int minver; 9 int maxver; 10 }; 11 12 struct nvif_object { 13 struct nvif_parent *parent; 14 struct nvif_client *client; 15 const char *name; 16 u32 handle; 17 s32 oclass; 18 void *priv; /*XXX: hack */ 19 struct { 20 void __iomem *ptr; 21 u64 size; 22 } map; 23 }; 24 25 static inline bool nvif_object_constructed(struct nvif_object * object)26 nvif_object_constructed(struct nvif_object *object) 27 { 28 return object->client != NULL; 29 } 30 31 int nvif_object_ctor(struct nvif_object *, const char *name, u32 handle, 32 s32 oclass, void *, u32, struct nvif_object *); 33 void nvif_object_dtor(struct nvif_object *); 34 int nvif_object_ioctl(struct nvif_object *, void *, u32, void **); 35 int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **); 36 void nvif_object_sclass_put(struct nvif_sclass **); 37 u32 nvif_object_rd(struct nvif_object *, int, u64); 38 void nvif_object_wr(struct nvif_object *, int, u64, u32); 39 int nvif_object_mthd(struct nvif_object *, u32, void *, u32); 40 int nvif_object_map_handle(struct nvif_object *, void *, u32, 41 u64 *handle, u64 *length); 42 void nvif_object_unmap_handle(struct nvif_object *); 43 int nvif_object_map(struct nvif_object *, void *, u32); 44 void nvif_object_unmap(struct nvif_object *); 45 46 #define nvif_handle(a) (unsigned long)(void *)(a) 47 #define nvif_object(a) (a)->object 48 49 #define nvif_rd(a,f,b,c) ({ \ 50 struct nvif_object *_object = (a); \ 51 u32 _data; \ 52 if (likely(_object->map.ptr)) \ 53 _data = f((u8 __iomem *)_object->map.ptr + (c)); \ 54 else \ 55 _data = nvif_object_rd(_object, (b), (c)); \ 56 _data; \ 57 }) 58 #define nvif_wr(a,f,b,c,d) ({ \ 59 struct nvif_object *_object = (a); \ 60 if (likely(_object->map.ptr)) \ 61 f((d), (u8 __iomem *)_object->map.ptr + (c)); \ 62 else \ 63 nvif_object_wr(_object, (b), (c), (d)); \ 64 }) 65 #define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); }) 66 #define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); }) 67 #define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); }) 68 #define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c)) 69 #define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c)) 70 #define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c)) 71 #define nvif_mask(a,b,c,d) ({ \ 72 struct nvif_object *__object = (a); \ 73 u32 _addr = (b), _data = nvif_rd32(__object, _addr); \ 74 nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \ 75 _data; \ 76 }) 77 78 #define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d)) 79 80 struct nvif_mclass { 81 s32 oclass; 82 int version; 83 }; 84 85 #define nvif_mclass(o,m) ({ \ 86 struct nvif_object *object = (o); \ 87 struct nvif_sclass *sclass; \ 88 typeof(m[0]) *mclass = (m); \ 89 int ret = -ENODEV; \ 90 int cnt, i, j; \ 91 \ 92 cnt = nvif_object_sclass_get(object, &sclass); \ 93 if (cnt >= 0) { \ 94 for (i = 0; ret < 0 && mclass[i].oclass; i++) { \ 95 for (j = 0; j < cnt; j++) { \ 96 if (mclass[i].oclass == sclass[j].oclass && \ 97 mclass[i].version >= sclass[j].minver && \ 98 mclass[i].version <= sclass[j].maxver) { \ 99 ret = i; \ 100 break; \ 101 } \ 102 } \ 103 } \ 104 nvif_object_sclass_put(&sclass); \ 105 } \ 106 ret; \ 107 }) 108 109 #define nvif_sclass(o,m,u) ({ \ 110 const typeof(m[0]) *_mclass = (m); \ 111 s32 _oclass = (u); \ 112 int _cid; \ 113 if (_oclass) { \ 114 for (_cid = 0; _mclass[_cid].oclass; _cid++) { \ 115 if (_mclass[_cid].oclass == _oclass) \ 116 break; \ 117 } \ 118 _cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \ 119 } else { \ 120 _cid = nvif_mclass((o), _mclass); \ 121 } \ 122 _cid; \ 123 }) 124 125 #define NVIF_RD32_(p,o,dr) nvif_rd32((p), (o) + (dr)) 126 #define NVIF_WR32_(p,o,dr,f) nvif_wr32((p), (o) + (dr), (f)) 127 #define NVIF_RD32(p,A...) DRF_RD(NVIF_RD32_, (p), 0, ##A) 128 #define NVIF_RV32(p,A...) DRF_RV(NVIF_RD32_, (p), 0, ##A) 129 #define NVIF_TV32(p,A...) DRF_TV(NVIF_RD32_, (p), 0, ##A) 130 #define NVIF_TD32(p,A...) DRF_TD(NVIF_RD32_, (p), 0, ##A) 131 #define NVIF_WR32(p,A...) DRF_WR( NVIF_WR32_, (p), 0, ##A) 132 #define NVIF_WV32(p,A...) DRF_WV( NVIF_WR32_, (p), 0, ##A) 133 #define NVIF_WD32(p,A...) DRF_WD( NVIF_WR32_, (p), 0, ##A) 134 #define NVIF_MR32(p,A...) DRF_MR(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A) 135 #define NVIF_MV32(p,A...) DRF_MV(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A) 136 #define NVIF_MD32(p,A...) DRF_MD(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A) 137 138 /*XXX*/ 139 #include <core/object.h> 140 #define nvxx_object(a) ({ \ 141 struct nvif_object *_object = (a); \ 142 (struct nvkm_object *)_object->priv; \ 143 }) 144 #endif 145