1#ifndef __NVKM_BUS_H__
2#define __NVKM_BUS_H__
3#include <core/subdev.h>
4
5struct nvkm_bus_intr {
6	u32 stat;
7	u32 unit;
8};
9
10struct nvkm_bus {
11	struct nvkm_subdev base;
12	int (*hwsq_exec)(struct nvkm_bus *, u32 *, u32);
13	u32 hwsq_size;
14};
15
16static inline struct nvkm_bus *
17nvkm_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
36extern struct nvkm_oclass *nv04_bus_oclass;
37extern struct nvkm_oclass *nv31_bus_oclass;
38extern struct nvkm_oclass *nv50_bus_oclass;
39extern struct nvkm_oclass *g94_bus_oclass;
40extern struct nvkm_oclass *gf100_bus_oclass;
41
42/* interface to sequencer */
43struct nvkm_hwsq;
44int  nvkm_hwsq_init(struct nvkm_bus *, struct nvkm_hwsq **);
45int  nvkm_hwsq_fini(struct nvkm_hwsq **, bool exec);
46void nvkm_hwsq_wr32(struct nvkm_hwsq *, u32 addr, u32 data);
47void nvkm_hwsq_setf(struct nvkm_hwsq *, u8 flag, int data);
48void nvkm_hwsq_wait(struct nvkm_hwsq *, u8 flag, u8 data);
49void nvkm_hwsq_nsec(struct nvkm_hwsq *, u32 nsec);
50#endif
51