1  /* SPDX-License-Identifier: MIT */
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  
56  int nv50_head_cnt(struct nvkm_disp *, unsigned long *);
57  int nv50_head_new(struct nvkm_disp *, int id);
58  
59  int gf119_head_cnt(struct nvkm_disp *, unsigned long *);
60  int gf119_head_new(struct nvkm_disp *, int id);
61  void gf119_head_rgclk(struct nvkm_head *, int);
62  
63  int gv100_head_cnt(struct nvkm_disp *, unsigned long *);
64  int gv100_head_new(struct nvkm_disp *, int id);
65  #endif
66