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
51