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

   1/* SPDX-License-Identifier: MIT */
   2#ifndef __NVKM_DISP_HEAD_H__
   3#define __NVKM_DISP_HEAD_H__
   4#include "priv.h"
   5
   6struct 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
  31int nvkm_head_new_(const struct nvkm_head_func *, struct nvkm_disp *, int id);
  32void nvkm_head_del(struct nvkm_head **);
  33int nvkm_head_mthd_scanoutpos(struct nvkm_object *,
  34                              struct nvkm_head *, void *, u32);
  35struct nvkm_head *nvkm_head_find(struct nvkm_disp *, int id);
  36
  37struct 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
  45void 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
  54int nv04_head_new(struct nvkm_disp *, int id);
  55
  56int nv50_head_cnt(struct nvkm_disp *, unsigned long *);
  57int nv50_head_new(struct nvkm_disp *, int id);
  58
  59int gf119_head_cnt(struct nvkm_disp *, unsigned long *);
  60int gf119_head_new(struct nvkm_disp *, int id);
  61void gf119_head_rgclk(struct nvkm_head *, int);
  62
  63int gv100_head_cnt(struct nvkm_disp *, unsigned long *);
  64int gv100_head_new(struct nvkm_disp *, int id);
  65#endif
  66