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/event.h>
   6
   7#define NVKM_FIFO_CHID_NR 4096
   8
   9struct nvkm_fifo_engn {
  10        struct nvkm_object *object;
  11        int refcount;
  12        int usecount;
  13};
  14
  15struct 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
  33struct 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
  47void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
  48void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
  49
  50void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
  51                        struct nvkm_fifo_chan **);
  52struct nvkm_fifo_chan *
  53nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
  54struct nvkm_fifo_chan *
  55nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
  56
  57int nv04_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  58int nv10_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  59int nv17_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  60int nv40_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  61int nv50_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  62int g84_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  63int gf100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  64int gk104_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  65int gk110_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  66int gk208_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  67int gk20a_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  68int gm107_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  69int gm200_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  70int gm20b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  71int gp100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  72int gp10b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  73#endif
  74