diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h new file mode 100644 index 000000000000..fba83c04849e --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h @@ -0,0 +1,50 @@ +#ifndef __NVKM_BUS_H__ +#define __NVKM_BUS_H__ +#include <core/subdev.h> + +struct nvkm_bus_intr { + u32 stat; + u32 unit; +}; + +struct nvkm_bus { + struct nvkm_subdev base; + int (*hwsq_exec)(struct nvkm_bus *, u32 *, u32); + u32 hwsq_size; +}; + +static inline struct nvkm_bus * +nvkm_bus(void *obj) +{ + return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_BUS); +} + +#define nvkm_bus_create(p, e, o, d) \ + nvkm_subdev_create_((p), (e), (o), 0, "PBUS", "master", \ + sizeof(**d), (void **)d) +#define nvkm_bus_destroy(p) \ + nvkm_subdev_destroy(&(p)->base) +#define nvkm_bus_init(p) \ + nvkm_subdev_init(&(p)->base) +#define nvkm_bus_fini(p, s) \ + nvkm_subdev_fini(&(p)->base, (s)) + +#define _nvkm_bus_dtor _nvkm_subdev_dtor +#define _nvkm_bus_init _nvkm_subdev_init +#define _nvkm_bus_fini _nvkm_subdev_fini + +extern struct nvkm_oclass *nv04_bus_oclass; +extern struct nvkm_oclass *nv31_bus_oclass; +extern struct nvkm_oclass *nv50_bus_oclass; +extern struct nvkm_oclass *g94_bus_oclass; +extern struct nvkm_oclass *gf100_bus_oclass; + +/* interface to sequencer */ +struct nvkm_hwsq; +int nvkm_hwsq_init(struct nvkm_bus *, struct nvkm_hwsq **); +int nvkm_hwsq_fini(struct nvkm_hwsq **, bool exec); +void nvkm_hwsq_wr32(struct nvkm_hwsq *, u32 addr, u32 data); +void nvkm_hwsq_setf(struct nvkm_hwsq *, u8 flag, int data); +void nvkm_hwsq_wait(struct nvkm_hwsq *, u8 flag, u8 data); +void nvkm_hwsq_nsec(struct nvkm_hwsq *, u32 nsec); +#endif |