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