drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_DISP_HEAD_H__
   3 #define __NVKM_DISP_HEAD_H__
   4 #include "priv.h"
   5
   6 struct nvkm_head {
   7         const struct nvkm_head_func *func;
   8         struct nvkm_disp *disp;
   9         int id;
  10
  11         struct list_head head;
  12
  13         struct nvkm_head_state {
  14                 u16 htotal;
  15                 u16 hsynce;
  16                 u16 hblanke;
  17                 u16 hblanks;
  18                 u16 vtotal;
  19                 u16 vsynce;
  20                 u16 vblanke;
  21                 u16 vblanks;
  22                 u32 hz;
  23
  24                 /* Prior to GF119, these are set by the OR. */
  25                 struct {
  26                         u8 depth;
  27                 } or;
  28         } arm, asy;
  29 };
  30
  31 int nvkm_head_new_(const struct nvkm_head_func *, struct nvkm_disp *, int id);
  32 void nvkm_head_del(struct nvkm_head **);
  33 int nvkm_head_mthd_scanoutpos(struct nvkm_object *,
  34                               struct nvkm_head *, void *, u32);
  35 struct nvkm_head *nvkm_head_find(struct nvkm_disp *, int id);
  36
  37 struct nvkm_head_func {
  38         void (*state)(struct nvkm_head *, struct nvkm_head_state *);
  39         void (*rgpos)(struct nvkm_head *, u16 *hline, u16 *vline);
  40         void (*rgclk)(struct nvkm_head *, int div);
  41         void (*vblank_get)(struct nvkm_head *);
  42         void (*vblank_put)(struct nvkm_head *);
  43 };
  44
  45 void nv50_head_rgpos(struct nvkm_head *, u16 *, u16 *);
  46
  47 #define HEAD_MSG(h,l,f,a...) do {                                              \
  48         struct nvkm_head *_h = (h);                                            \
  49         nvkm_##l(&_h->disp->engine.subdev, "head-%d: "f"\n", _h->id, ##a);     \
  50 } while(0)
  51 #define HEAD_WARN(h,f,a...) HEAD_MSG((h), warn, f, ##a)
  52 #define HEAD_DBG(h,f,a...) HEAD_MSG((h), debug, f, ##a)
  53
  54 int nv04_head_new(struct nvkm_disp *, int id);
  55 int nv50_head_new(struct nvkm_disp *, int id);
  56 int gf119_head_new(struct nvkm_disp *, int id);
  57 #endif