drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_FIFO_H__
   3 #define __NVKM_FIFO_H__
   4 #include <core/engine.h>
   5 #include <core/object.h>
   6 #include <core/event.h>
   7
   8 #define NVKM_FIFO_CHID_NR 4096
   9
  10 struct nvkm_fifo_engn {
  11         struct nvkm_object *object;
  12         int refcount;
  13         int usecount;
  14 };
  15
  16 struct nvkm_fifo_chan {
  17         const struct nvkm_fifo_chan_func *func;
  18         struct nvkm_fifo *fifo;
  19         u64 engines;
  20         struct nvkm_object object;
  21
  22         struct list_head head;
  23         u16 chid;
  24         struct nvkm_gpuobj *inst;
  25         struct nvkm_gpuobj *push;
  26         struct nvkm_vmm *vmm;
  27         void __iomem *user;
  28         u64 addr;
  29         u32 size;
  30
  31         struct nvkm_fifo_engn engn[NVKM_SUBDEV_NR];
  32 };
  33
  34 struct nvkm_fifo {
  35         const struct nvkm_fifo_func *func;
  36         struct nvkm_engine engine;
  37
  38         DECLARE_BITMAP(mask, NVKM_FIFO_CHID_NR);
  39         int nr;
  40         struct list_head chan;
  41         spinlock_t lock;
  42
  43         struct nvkm_event uevent; /* async user trigger */
  44         struct nvkm_event cevent; /* channel creation event */
  45         struct nvkm_event kevent; /* channel killed */
  46 };
  47
  48 void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
  49 void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
  50
  51 void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
  52                         struct nvkm_fifo_chan **);
  53 struct nvkm_fifo_chan *
  54 nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
  55 struct nvkm_fifo_chan *
  56 nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
  57
  58 int nv04_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  59 int nv10_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  60 int nv17_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  61 int nv40_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  62 int nv50_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  63 int g84_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  64 int gf100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  65 int gk104_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  66 int gk110_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  67 int gk208_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  68 int gk20a_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  69 int gm107_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  70 int gm200_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  71 int gm20b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  72 int gp100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  73 int gp10b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  74 #endif