1#ifndef __NVKM_FIFO_H__
2#define __NVKM_FIFO_H__
3#include <core/namedb.h>
4
5struct nvkm_fifo_chan {
6	struct nvkm_namedb namedb;
7	struct nvkm_dmaobj *pushdma;
8	struct nvkm_gpuobj *pushgpu;
9	void __iomem *user;
10	u64 addr;
11	u32 size;
12	u16 chid;
13	atomic_t refcnt; /* NV04_NVSW_SET_REF */
14};
15
16static inline struct nvkm_fifo_chan *
17nvkm_fifo_chan(void *obj)
18{
19	return (void *)nv_namedb(obj);
20}
21
22#define nvkm_fifo_channel_create(p,e,c,b,a,s,n,m,d)                         \
23	nvkm_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n),        \
24				     (m), sizeof(**d), (void **)d)
25#define nvkm_fifo_channel_init(p)                                           \
26	nvkm_namedb_init(&(p)->namedb)
27#define nvkm_fifo_channel_fini(p,s)                                         \
28	nvkm_namedb_fini(&(p)->namedb, (s))
29
30int  nvkm_fifo_channel_create_(struct nvkm_object *,
31				  struct nvkm_object *,
32				  struct nvkm_oclass *,
33				  int bar, u32 addr, u32 size, u32 push,
34				  u64 engmask, int len, void **);
35void nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *);
36
37#define _nvkm_fifo_channel_init _nvkm_namedb_init
38#define _nvkm_fifo_channel_fini _nvkm_namedb_fini
39
40void _nvkm_fifo_channel_dtor(struct nvkm_object *);
41int  _nvkm_fifo_channel_map(struct nvkm_object *, u64 *, u32 *);
42u32  _nvkm_fifo_channel_rd32(struct nvkm_object *, u64);
43void _nvkm_fifo_channel_wr32(struct nvkm_object *, u64, u32);
44int  _nvkm_fifo_channel_ntfy(struct nvkm_object *, u32, struct nvkm_event **);
45
46#include <core/gpuobj.h>
47
48struct nvkm_fifo_base {
49	struct nvkm_gpuobj gpuobj;
50};
51
52#define nvkm_fifo_context_create(p,e,c,g,s,a,f,d)                           \
53	nvkm_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d))
54#define nvkm_fifo_context_destroy(p)                                        \
55	nvkm_gpuobj_destroy(&(p)->gpuobj)
56#define nvkm_fifo_context_init(p)                                           \
57	nvkm_gpuobj_init(&(p)->gpuobj)
58#define nvkm_fifo_context_fini(p,s)                                         \
59	nvkm_gpuobj_fini(&(p)->gpuobj, (s))
60
61#define _nvkm_fifo_context_dtor _nvkm_gpuobj_dtor
62#define _nvkm_fifo_context_init _nvkm_gpuobj_init
63#define _nvkm_fifo_context_fini _nvkm_gpuobj_fini
64#define _nvkm_fifo_context_rd32 _nvkm_gpuobj_rd32
65#define _nvkm_fifo_context_wr32 _nvkm_gpuobj_wr32
66
67#include <core/engine.h>
68#include <core/event.h>
69
70struct nvkm_fifo {
71	struct nvkm_engine base;
72
73	struct nvkm_event cevent; /* channel creation event */
74	struct nvkm_event uevent; /* async user trigger */
75
76	struct nvkm_object **channel;
77	spinlock_t lock;
78	u16 min;
79	u16 max;
80
81	int  (*chid)(struct nvkm_fifo *, struct nvkm_object *);
82	void (*pause)(struct nvkm_fifo *, unsigned long *);
83	void (*start)(struct nvkm_fifo *, unsigned long *);
84};
85
86static inline struct nvkm_fifo *
87nvkm_fifo(void *obj)
88{
89	return (void *)nvkm_engine(obj, NVDEV_ENGINE_FIFO);
90}
91
92#define nvkm_fifo_create(o,e,c,fc,lc,d)                                     \
93	nvkm_fifo_create_((o), (e), (c), (fc), (lc), sizeof(**d), (void **)d)
94#define nvkm_fifo_init(p)                                                   \
95	nvkm_engine_init(&(p)->base)
96#define nvkm_fifo_fini(p,s)                                                 \
97	nvkm_engine_fini(&(p)->base, (s))
98
99int nvkm_fifo_create_(struct nvkm_object *, struct nvkm_object *,
100			 struct nvkm_oclass *, int min, int max,
101			 int size, void **);
102void nvkm_fifo_destroy(struct nvkm_fifo *);
103const char *
104nvkm_client_name_for_fifo_chid(struct nvkm_fifo *fifo, u32 chid);
105
106#define _nvkm_fifo_init _nvkm_engine_init
107#define _nvkm_fifo_fini _nvkm_engine_fini
108
109extern struct nvkm_oclass *nv04_fifo_oclass;
110extern struct nvkm_oclass *nv10_fifo_oclass;
111extern struct nvkm_oclass *nv17_fifo_oclass;
112extern struct nvkm_oclass *nv40_fifo_oclass;
113extern struct nvkm_oclass *nv50_fifo_oclass;
114extern struct nvkm_oclass *g84_fifo_oclass;
115extern struct nvkm_oclass *gf100_fifo_oclass;
116extern struct nvkm_oclass *gk104_fifo_oclass;
117extern struct nvkm_oclass *gk20a_fifo_oclass;
118extern struct nvkm_oclass *gk208_fifo_oclass;
119extern struct nvkm_oclass *gm204_fifo_oclass;
120
121int  nvkm_fifo_uevent_ctor(struct nvkm_object *, void *, u32,
122			   struct nvkm_notify *);
123void nvkm_fifo_uevent(struct nvkm_fifo *);
124
125void nv04_fifo_intr(struct nvkm_subdev *);
126int  nv04_fifo_context_attach(struct nvkm_object *, struct nvkm_object *);
127#endif
128