1 #ifndef __NVKM_INSTMEM_H__ 2 #define __NVKM_INSTMEM_H__ 3 #include <core/subdev.h> 4 5 struct nvkm_instobj { 6 struct nvkm_object object; 7 struct list_head head; 8 u32 *suspend; 9 u64 addr; 10 u32 size; 11 }; 12 13 static inline struct nvkm_instobj * 14 nv_memobj(void *obj) 15 { 16 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA 17 BUG_ON(!nv_iclass(obj, NV_MEMOBJ_CLASS)); 18 #endif 19 return obj; 20 } 21 22 struct nvkm_instmem { 23 struct nvkm_subdev subdev; 24 struct list_head list; 25 26 u32 reserved; 27 int (*alloc)(struct nvkm_instmem *, struct nvkm_object *, 28 u32 size, u32 align, struct nvkm_object **); 29 30 const struct nvkm_instmem_func *func; 31 }; 32 33 struct nvkm_instmem_func { 34 u32 (*rd32)(struct nvkm_instmem *, u32 addr); 35 void (*wr32)(struct nvkm_instmem *, u32 addr, u32 data); 36 }; 37 38 static inline struct nvkm_instmem * 39 nvkm_instmem(void *obj) 40 { 41 /* nv04/nv40 impls need to create objects in their constructor, 42 * which is before the subdev pointer is valid 43 */ 44 if (nv_iclass(obj, NV_SUBDEV_CLASS) && 45 nv_subidx(obj) == NVDEV_SUBDEV_INSTMEM) 46 return obj; 47 48 return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_INSTMEM); 49 } 50 51 extern struct nvkm_oclass *nv04_instmem_oclass; 52 extern struct nvkm_oclass *nv40_instmem_oclass; 53 extern struct nvkm_oclass *nv50_instmem_oclass; 54 extern struct nvkm_oclass *gk20a_instmem_oclass; 55 #endif 56