drivers/gpu/drm/nouveau/nouveau_chan.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NOUVEAU_CHAN_H__
   3 #define __NOUVEAU_CHAN_H__
   4 #include <nvif/object.h>
   5 #include <nvif/notify.h>
   6 struct nvif_device;
   7
   8 struct nouveau_channel {
   9         struct nvif_device *device;
  10         struct nouveau_drm *drm;
  11
  12         int chid;
  13
  14         struct nvif_object vram;
  15         struct nvif_object gart;
  16         struct nvif_object nvsw;
  17
  18         struct {
  19                 struct nouveau_bo *buffer;
  20                 struct nouveau_vma *vma;
  21                 struct nvif_object ctxdma;
  22                 u64 addr;
  23         } push;
  24
  25         /* TODO: this will be reworked in the near future */
  26         bool accel_done;
  27         void *fence;
  28         struct {
  29                 int max;
  30                 int free;
  31                 int cur;
  32                 int put;
  33                 int ib_base;
  34                 int ib_max;
  35                 int ib_free;
  36                 int ib_put;
  37         } dma;
  38         u32 user_get_hi;
  39         u32 user_get;
  40         u32 user_put;
  41
  42         struct nvif_object user;
  43
  44         struct nvif_notify kill;
  45         atomic_t killed;
  46 };
  47
  48 int nouveau_channels_init(struct nouveau_drm *);
  49
  50 int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
  51                          u32 arg0, u32 arg1, struct nouveau_channel **);
  52 void nouveau_channel_del(struct nouveau_channel **);
  53 int  nouveau_channel_idle(struct nouveau_channel *);
  54
  55 extern int nouveau_vram_pushbuf;
  56
  57 #endif