kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h

   1 #ifndef __NVKM_BUS_H__
   2 #define __NVKM_BUS_H__
   3 #include <core/subdev.h>
   4
   5 struct nvkm_bus_intr {
   6         u32 stat;
   7         u32 unit;
   8 };
   9
  10 struct nvkm_bus {
  11         struct nvkm_subdev base;
  12         int (*hwsq_exec)(struct nvkm_bus *, u32 *, u32);
  13         u32 hwsq_size;
  14 };
  15
  16 static inline struct nvkm_bus *
  17 nvkm_bus(void *obj)
  18 {
  19         return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_BUS);
  20 }
  21
  22 #define nvkm_bus_create(p, e, o, d)                                         \
  23         nvkm_subdev_create_((p), (e), (o), 0, "PBUS", "master",             \
  24                                sizeof(**d), (void **)d)
  25 #define nvkm_bus_destroy(p)                                                 \
  26         nvkm_subdev_destroy(&(p)->base)
  27 #define nvkm_bus_init(p)                                                    \
  28         nvkm_subdev_init(&(p)->base)
  29 #define nvkm_bus_fini(p, s)                                                 \
  30         nvkm_subdev_fini(&(p)->base, (s))
  31
  32 #define _nvkm_bus_dtor _nvkm_subdev_dtor
  33 #define _nvkm_bus_init _nvkm_subdev_init
  34 #define _nvkm_bus_fini _nvkm_subdev_fini
  35
  36 extern struct nvkm_oclass *nv04_bus_oclass;
  37 extern struct nvkm_oclass *nv31_bus_oclass;
  38 extern struct nvkm_oclass *nv50_bus_oclass;
  39 extern struct nvkm_oclass *g94_bus_oclass;
  40 extern struct nvkm_oclass *gf100_bus_oclass;
  41
  42 /* interface to sequencer */
  43 struct nvkm_hwsq;
  44 int  nvkm_hwsq_init(struct nvkm_bus *, struct nvkm_hwsq **);
  45 int  nvkm_hwsq_fini(struct nvkm_hwsq **, bool exec);
  46 void nvkm_hwsq_wr32(struct nvkm_hwsq *, u32 addr, u32 data);
  47 void nvkm_hwsq_setf(struct nvkm_hwsq *, u8 flag, int data);
  48 void nvkm_hwsq_wait(struct nvkm_hwsq *, u8 flag, u8 data);
  49 void nvkm_hwsq_nsec(struct nvkm_hwsq *, u32 nsec);
  50 #endif