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fifo.h
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1 #ifndef __NOUVEAU_FIFO_H__
2 #define __NOUVEAU_FIFO_H__
3 
4 #include <core/namedb.h>
5 #include <core/gpuobj.h>
6 #include <core/engine.h>
7 
8 struct nouveau_fifo_chan {
9  struct nouveau_namedb base;
10  struct nouveau_dmaobj *pushdma;
11  struct nouveau_gpuobj *pushgpu;
12  void __iomem *user;
13  u32 size;
14  u16 chid;
15  atomic_t refcnt; /* NV04_NVSW_SET_REF */
16 };
17 
18 static inline struct nouveau_fifo_chan *
19 nouveau_fifo_chan(void *obj)
20 {
21  return (void *)nv_namedb(obj);
22 }
23 
24 #define nouveau_fifo_channel_create(p,e,c,b,a,s,n,m,d) \
25  nouveau_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n), \
26  (m), sizeof(**d), (void **)d)
27 #define nouveau_fifo_channel_init(p) \
28  nouveau_namedb_init(&(p)->base)
29 #define nouveau_fifo_channel_fini(p,s) \
30  nouveau_namedb_fini(&(p)->base, (s))
31 
32 int nouveau_fifo_channel_create_(struct nouveau_object *,
33  struct nouveau_object *,
34  struct nouveau_oclass *,
35  int bar, u32 addr, u32 size, u32 push,
36  u32 engmask, int len, void **);
37 void nouveau_fifo_channel_destroy(struct nouveau_fifo_chan *);
38 
39 #define _nouveau_fifo_channel_init _nouveau_namedb_init
40 #define _nouveau_fifo_channel_fini _nouveau_namedb_fini
41 
42 void _nouveau_fifo_channel_dtor(struct nouveau_object *);
43 u32 _nouveau_fifo_channel_rd32(struct nouveau_object *, u32);
44 void _nouveau_fifo_channel_wr32(struct nouveau_object *, u32, u32);
45 
46 struct nouveau_fifo_base {
47  struct nouveau_gpuobj base;
48 };
49 
50 #define nouveau_fifo_context_create(p,e,c,g,s,a,f,d) \
51  nouveau_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d))
52 #define nouveau_fifo_context_destroy(p) \
53  nouveau_gpuobj_destroy(&(p)->base)
54 #define nouveau_fifo_context_init(p) \
55  nouveau_gpuobj_init(&(p)->base)
56 #define nouveau_fifo_context_fini(p,s) \
57  nouveau_gpuobj_fini(&(p)->base, (s))
58 
59 #define _nouveau_fifo_context_dtor _nouveau_gpuobj_dtor
60 #define _nouveau_fifo_context_init _nouveau_gpuobj_init
61 #define _nouveau_fifo_context_fini _nouveau_gpuobj_fini
62 #define _nouveau_fifo_context_rd32 _nouveau_gpuobj_rd32
63 #define _nouveau_fifo_context_wr32 _nouveau_gpuobj_wr32
64 
65 struct nouveau_fifo {
66  struct nouveau_engine base;
67 
68  struct nouveau_object **channel;
69  spinlock_t lock;
70  u16 min;
71  u16 max;
72 
73  int (*chid)(struct nouveau_fifo *, struct nouveau_object *);
74  void (*pause)(struct nouveau_fifo *, unsigned long *);
75  void (*start)(struct nouveau_fifo *, unsigned long *);
76 };
77 
78 static inline struct nouveau_fifo *
79 nouveau_fifo(void *obj)
80 {
81  return (void *)nv_device(obj)->subdev[NVDEV_ENGINE_FIFO];
82 }
83 
84 #define nouveau_fifo_create(o,e,c,fc,lc,d) \
85  nouveau_fifo_create_((o), (e), (c), (fc), (lc), sizeof(**d), (void **)d)
86 #define nouveau_fifo_init(p) \
87  nouveau_engine_init(&(p)->base)
88 #define nouveau_fifo_fini(p,s) \
89  nouveau_engine_fini(&(p)->base, (s))
90 
91 int nouveau_fifo_create_(struct nouveau_object *, struct nouveau_object *,
92  struct nouveau_oclass *, int min, int max,
93  int size, void **);
94 void nouveau_fifo_destroy(struct nouveau_fifo *);
95 
96 #define _nouveau_fifo_init _nouveau_engine_init
97 #define _nouveau_fifo_fini _nouveau_engine_fini
98 
99 extern struct nouveau_oclass nv04_fifo_oclass;
100 extern struct nouveau_oclass nv10_fifo_oclass;
101 extern struct nouveau_oclass nv17_fifo_oclass;
102 extern struct nouveau_oclass nv40_fifo_oclass;
103 extern struct nouveau_oclass nv50_fifo_oclass;
104 extern struct nouveau_oclass nv84_fifo_oclass;
105 extern struct nouveau_oclass nvc0_fifo_oclass;
106 extern struct nouveau_oclass nve0_fifo_oclass;
107 
108 void nv04_fifo_intr(struct nouveau_subdev *);
109 int nv04_fifo_context_attach(struct nouveau_object *, struct nouveau_object *);
110 
111 #endif
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