LXR linux/drivers/gpu/drm/nouveau/core/include/engine/fifo.h

   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
   8struct 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
  18static inline struct nouveau_fifo_chan *
  19nouveau_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
  32int  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                                  u64 engmask, int len, void **);
  37void 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
  42void _nouveau_fifo_channel_dtor(struct nouveau_object *);
  43u32  _nouveau_fifo_channel_rd32(struct nouveau_object *, u64);
  44void _nouveau_fifo_channel_wr32(struct nouveau_object *, u64, u32);
  45
  46struct 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
  65struct nouveau_fifo {
  66        struct nouveau_engine base;
  67
  68        struct nouveau_event *cevent; /* channel creation event */
  69        struct nouveau_event *uevent; /* async user trigger */
  70
  71        struct nouveau_object **channel;
  72        spinlock_t lock;
  73        u16 min;
  74        u16 max;
  75
  76        int  (*chid)(struct nouveau_fifo *, struct nouveau_object *);
  77        void (*pause)(struct nouveau_fifo *, unsigned long *);
  78        void (*start)(struct nouveau_fifo *, unsigned long *);
  79};
  80
  81static inline struct nouveau_fifo *
  82nouveau_fifo(void *obj)
  83{
  84        return (void *)nv_device(obj)->subdev[NVDEV_ENGINE_FIFO];
  85}
  86
  87#define nouveau_fifo_create(o,e,c,fc,lc,d)                                     \
  88        nouveau_fifo_create_((o), (e), (c), (fc), (lc), sizeof(**d), (void **)d)
  89#define nouveau_fifo_init(p)                                                   \
  90        nouveau_engine_init(&(p)->base)
  91#define nouveau_fifo_fini(p,s)                                                 \
  92        nouveau_engine_fini(&(p)->base, (s))
  93
  94int nouveau_fifo_create_(struct nouveau_object *, struct nouveau_object *,
  95                         struct nouveau_oclass *, int min, int max,
  96                         int size, void **);
  97void nouveau_fifo_destroy(struct nouveau_fifo *);
  98const char *
  99nouveau_client_name_for_fifo_chid(struct nouveau_fifo *fifo, u32 chid);
 100
 101#define _nouveau_fifo_init _nouveau_engine_init
 102#define _nouveau_fifo_fini _nouveau_engine_fini
 103
 104extern struct nouveau_oclass *nv04_fifo_oclass;
 105extern struct nouveau_oclass *nv10_fifo_oclass;
 106extern struct nouveau_oclass *nv17_fifo_oclass;
 107extern struct nouveau_oclass *nv40_fifo_oclass;
 108extern struct nouveau_oclass *nv50_fifo_oclass;
 109extern struct nouveau_oclass *nv84_fifo_oclass;
 110extern struct nouveau_oclass *nvc0_fifo_oclass;
 111extern struct nouveau_oclass *nve0_fifo_oclass;
 112extern struct nouveau_oclass *nv108_fifo_oclass;
 113
 114void nv04_fifo_intr(struct nouveau_subdev *);
 115int  nv04_fifo_context_attach(struct nouveau_object *, struct nouveau_object *);
 116
 117#endif
 118