diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h new file mode 100644 index 000000000000..05321ce7ab15 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h @@ -0,0 +1,126 @@ +#ifndef __NVKM_FIFO_H__ +#define __NVKM_FIFO_H__ +#include <core/namedb.h> + +struct nvkm_fifo_chan { + struct nvkm_namedb namedb; + struct nvkm_dmaobj *pushdma; + struct nvkm_gpuobj *pushgpu; + void __iomem *user; + u64 addr; + u32 size; + u16 chid; + atomic_t refcnt; /* NV04_NVSW_SET_REF */ +}; + +static inline struct nvkm_fifo_chan * +nvkm_fifo_chan(void *obj) +{ + return (void *)nv_namedb(obj); +} + +#define nvkm_fifo_channel_create(p,e,c,b,a,s,n,m,d) \ + nvkm_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n), \ + (m), sizeof(**d), (void **)d) +#define nvkm_fifo_channel_init(p) \ + nvkm_namedb_init(&(p)->namedb) +#define nvkm_fifo_channel_fini(p,s) \ + nvkm_namedb_fini(&(p)->namedb, (s)) + +int nvkm_fifo_channel_create_(struct nvkm_object *, + struct nvkm_object *, + struct nvkm_oclass *, + int bar, u32 addr, u32 size, u32 push, + u64 engmask, int len, void **); +void nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *); + +#define _nvkm_fifo_channel_init _nvkm_namedb_init +#define _nvkm_fifo_channel_fini _nvkm_namedb_fini + +void _nvkm_fifo_channel_dtor(struct nvkm_object *); +int _nvkm_fifo_channel_map(struct nvkm_object *, u64 *, u32 *); +u32 _nvkm_fifo_channel_rd32(struct nvkm_object *, u64); +void _nvkm_fifo_channel_wr32(struct nvkm_object *, u64, u32); +int _nvkm_fifo_channel_ntfy(struct nvkm_object *, u32, struct nvkm_event **); + +#include <core/gpuobj.h> + +struct nvkm_fifo_base { + struct nvkm_gpuobj gpuobj; +}; + +#define nvkm_fifo_context_create(p,e,c,g,s,a,f,d) \ + nvkm_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d)) +#define nvkm_fifo_context_destroy(p) \ + nvkm_gpuobj_destroy(&(p)->gpuobj) +#define nvkm_fifo_context_init(p) \ + nvkm_gpuobj_init(&(p)->gpuobj) +#define nvkm_fifo_context_fini(p,s) \ + nvkm_gpuobj_fini(&(p)->gpuobj, (s)) + +#define _nvkm_fifo_context_dtor _nvkm_gpuobj_dtor +#define _nvkm_fifo_context_init _nvkm_gpuobj_init +#define _nvkm_fifo_context_fini _nvkm_gpuobj_fini +#define _nvkm_fifo_context_rd32 _nvkm_gpuobj_rd32 +#define _nvkm_fifo_context_wr32 _nvkm_gpuobj_wr32 + +#include <core/engine.h> +#include <core/event.h> + +struct nvkm_fifo { + struct nvkm_engine base; + + struct nvkm_event cevent; /* channel creation event */ + struct nvkm_event uevent; /* async user trigger */ + + struct nvkm_object **channel; + spinlock_t lock; + u16 min; + u16 max; + + int (*chid)(struct nvkm_fifo *, struct nvkm_object *); + void (*pause)(struct nvkm_fifo *, unsigned long *); + void (*start)(struct nvkm_fifo *, unsigned long *); +}; + +static inline struct nvkm_fifo * +nvkm_fifo(void *obj) +{ + return (void *)nvkm_engine(obj, NVDEV_ENGINE_FIFO); +} + +#define nvkm_fifo_create(o,e,c,fc,lc,d) \ + nvkm_fifo_create_((o), (e), (c), (fc), (lc), sizeof(**d), (void **)d) +#define nvkm_fifo_init(p) \ + nvkm_engine_init(&(p)->base) +#define nvkm_fifo_fini(p,s) \ + nvkm_engine_fini(&(p)->base, (s)) + +int nvkm_fifo_create_(struct nvkm_object *, struct nvkm_object *, + struct nvkm_oclass *, int min, int max, + int size, void **); +void nvkm_fifo_destroy(struct nvkm_fifo *); +const char * +nvkm_client_name_for_fifo_chid(struct nvkm_fifo *fifo, u32 chid); + +#define _nvkm_fifo_init _nvkm_engine_init +#define _nvkm_fifo_fini _nvkm_engine_fini + +extern struct nvkm_oclass *nv04_fifo_oclass; +extern struct nvkm_oclass *nv10_fifo_oclass; +extern struct nvkm_oclass *nv17_fifo_oclass; +extern struct nvkm_oclass *nv40_fifo_oclass; +extern struct nvkm_oclass *nv50_fifo_oclass; +extern struct nvkm_oclass *g84_fifo_oclass; +extern struct nvkm_oclass *gf100_fifo_oclass; +extern struct nvkm_oclass *gk104_fifo_oclass; +extern struct nvkm_oclass *gk20a_fifo_oclass; +extern struct nvkm_oclass *gk208_fifo_oclass; + +int nvkm_fifo_uevent_ctor(struct nvkm_object *, void *, u32, + struct nvkm_notify *); +void nvkm_fifo_uevent(struct nvkm_fifo *); + +void nv04_fifo_intr(struct nvkm_subdev *); +int nv04_fifo_context_attach(struct nvkm_object *, struct nvkm_object *); +#endif |