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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h |
Initial import
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h new file mode 100644 index 000000000..1bcb763cf --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h @@ -0,0 +1,49 @@ +#ifndef __NVKM_INSTMEM_H__ +#define __NVKM_INSTMEM_H__ +#include <core/subdev.h> + +struct nvkm_instobj { + struct nvkm_object base; + struct list_head head; + u32 *suspend; + u64 addr; + u32 size; +}; + +static inline struct nvkm_instobj * +nv_memobj(void *obj) +{ +#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA + if (unlikely(!nv_iclass(obj, NV_MEMOBJ_CLASS))) + nv_assert("BAD CAST -> NvMemObj, %08x", nv_hclass(obj)); +#endif + return obj; +} + +struct nvkm_instmem { + struct nvkm_subdev base; + struct list_head list; + + u32 reserved; + int (*alloc)(struct nvkm_instmem *, struct nvkm_object *, + u32 size, u32 align, struct nvkm_object **); +}; + +static inline struct nvkm_instmem * +nvkm_instmem(void *obj) +{ + /* nv04/nv40 impls need to create objects in their constructor, + * which is before the subdev pointer is valid + */ + if (nv_iclass(obj, NV_SUBDEV_CLASS) && + nv_subidx(obj) == NVDEV_SUBDEV_INSTMEM) + return obj; + + return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_INSTMEM); +} + +extern struct nvkm_oclass *nv04_instmem_oclass; +extern struct nvkm_oclass *nv40_instmem_oclass; +extern struct nvkm_oclass *nv50_instmem_oclass; +extern struct nvkm_oclass *gk20a_instmem_oclass; +#endif |