LXR linux/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
  10struct nvkm_fifo_engn {
  11        struct nvkm_object *object;
  12        int refcount;
  13        int usecount;
  14};
  15
  16struct 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
  34struct 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
  48void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
  49void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
  50
  51void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
  52                        struct nvkm_fifo_chan **);
  53struct nvkm_fifo_chan *
  54nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
  55struct nvkm_fifo_chan *
  56nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
  57
  58int nv04_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  59int nv10_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  60int nv17_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  61int nv40_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  62int nv50_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  63int g84_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  64int gf100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  65int gk104_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  66int gk110_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  67int gk208_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  68int gk20a_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  69int gm107_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  70int gm200_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  71int gm20b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  72int gp100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  73int gp10b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  74#endif
  75