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 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 int nvif_object_mthd(struct nvif_object *, u32, void *, u32); 38 int nvif_object_map_handle(struct nvif_object *, void *, u32, 39 u64 *handle, u64 *length); 40 void nvif_object_unmap_handle(struct nvif_object *); 41 int nvif_object_map(struct nvif_object *, void *, u32); 42 void nvif_object_unmap(struct nvif_object *); 43 44 #define nvif_handle(a) (unsigned long)(void *)(a) 45 #define nvif_object(a) (a)->object 46 47 #define nvif_rd(a,f,b,c) ({ \ 48 u32 _data = f((u8 __iomem *)(a)->map.ptr + (c)); \ 49 _data; \ 50 }) 51 #define nvif_wr(a,f,b,c,d) ({ \ 52 f((d), (u8 __iomem *)(a)->map.ptr + (c)); \ 53 }) 54 #define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); }) 55 #define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); }) 56 #define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); }) 57 #define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c)) 58 #define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c)) 59 #define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c)) 60 #define nvif_mask(a,b,c,d) ({ \ 61 typeof(a) __object = (a); \ 62 u32 _addr = (b), _data = nvif_rd32(__object, _addr); \ 63 nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \ 64 _data; \ 65 }) 66 67 #define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d)) 68 69 struct nvif_mclass { 70 s32 oclass; 71 int version; 72 }; 73 74 #define nvif_mclass(o,m) ({ \ 75 struct nvif_object *object = (o); \ 76 struct nvif_sclass *sclass; \ 77 typeof(m[0]) *mclass = (m); \ 78 int ret = -ENODEV; \ 79 int cnt, i, j; \ 80 \ 81 cnt = nvif_object_sclass_get(object, &sclass); \ 82 if (cnt >= 0) { \ 83 for (i = 0; ret < 0 && mclass[i].oclass; i++) { \ 84 for (j = 0; j < cnt; j++) { \ 85 if (mclass[i].oclass == sclass[j].oclass && \ 86 mclass[i].version >= sclass[j].minver && \ 87 mclass[i].version <= sclass[j].maxver) { \ 88 ret = i; \ 89 break; \ 90 } \ 91 } \ 92 } \ 93 nvif_object_sclass_put(&sclass); \ 94 } \ 95 ret; \ 96 }) 97 98 #define nvif_sclass(o,m,u) ({ \ 99 const typeof(m[0]) *_mclass = (m); \ 100 s32 _oclass = (u); \ 101 int _cid; \ 102 if (_oclass) { \ 103 for (_cid = 0; _mclass[_cid].oclass; _cid++) { \ 104 if (_mclass[_cid].oclass == _oclass) \ 105 break; \ 106 } \ 107 _cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \ 108 } else { \ 109 _cid = nvif_mclass((o), _mclass); \ 110 } \ 111 _cid; \ 112 }) 113 114 #define NVIF_RD32_(p,o,dr) nvif_rd32((p), (o) + (dr)) 115 #define NVIF_WR32_(p,o,dr,f) nvif_wr32((p), (o) + (dr), (f)) 116 #define NVIF_RD32(p,A...) DRF_RD(NVIF_RD32_, (p), 0, ##A) 117 #define NVIF_RV32(p,A...) DRF_RV(NVIF_RD32_, (p), 0, ##A) 118 #define NVIF_TV32(p,A...) DRF_TV(NVIF_RD32_, (p), 0, ##A) 119 #define NVIF_TD32(p,A...) DRF_TD(NVIF_RD32_, (p), 0, ##A) 120 #define NVIF_WR32(p,A...) DRF_WR( NVIF_WR32_, (p), 0, ##A) 121 #define NVIF_WV32(p,A...) DRF_WV( NVIF_WR32_, (p), 0, ##A) 122 #define NVIF_WD32(p,A...) DRF_WD( NVIF_WR32_, (p), 0, ##A) 123 #define NVIF_MR32(p,A...) DRF_MR(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A) 124 #define NVIF_MV32(p,A...) DRF_MV(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A) 125 #define NVIF_MD32(p,A...) DRF_MD(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A) 126 #endif 127