1 #ifndef __NVKM_FIFO_H__
2 #define __NVKM_FIFO_H__
3 #include <core/namedb.h>
4 
5 struct 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 
16 static inline struct nvkm_fifo_chan *
17 nvkm_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 
30 int  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 **);
35 void 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 
40 void _nvkm_fifo_channel_dtor(struct nvkm_object *);
41 int  _nvkm_fifo_channel_map(struct nvkm_object *, u64 *, u32 *);
42 u32  _nvkm_fifo_channel_rd32(struct nvkm_object *, u64);
43 void _nvkm_fifo_channel_wr32(struct nvkm_object *, u64, u32);
44 int  _nvkm_fifo_channel_ntfy(struct nvkm_object *, u32, struct nvkm_event **);
45 
46 #include <core/gpuobj.h>
47 
48 struct 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 
70 struct 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 
86 static inline struct nvkm_fifo *
87 nvkm_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 
99 int nvkm_fifo_create_(struct nvkm_object *, struct nvkm_object *,
100 			 struct nvkm_oclass *, int min, int max,
101 			 int size, void **);
102 void nvkm_fifo_destroy(struct nvkm_fifo *);
103 const char *
104 nvkm_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 
109 extern struct nvkm_oclass *nv04_fifo_oclass;
110 extern struct nvkm_oclass *nv10_fifo_oclass;
111 extern struct nvkm_oclass *nv17_fifo_oclass;
112 extern struct nvkm_oclass *nv40_fifo_oclass;
113 extern struct nvkm_oclass *nv50_fifo_oclass;
114 extern struct nvkm_oclass *g84_fifo_oclass;
115 extern struct nvkm_oclass *gf100_fifo_oclass;
116 extern struct nvkm_oclass *gk104_fifo_oclass;
117 extern struct nvkm_oclass *gk20a_fifo_oclass;
118 extern struct nvkm_oclass *gk208_fifo_oclass;
119 extern struct nvkm_oclass *gm204_fifo_oclass;
120 
121 int  nvkm_fifo_uevent_ctor(struct nvkm_object *, void *, u32,
122 			   struct nvkm_notify *);
123 void nvkm_fifo_uevent(struct nvkm_fifo *);
124 
125 void nv04_fifo_intr(struct nvkm_subdev *);
126 int  nv04_fifo_context_attach(struct nvkm_object *, struct nvkm_object *);
127 #endif
128