1/* SPDX-License-Identifier: MIT */
2#ifndef __NVKM_DISP_HEAD_H__
3#define __NVKM_DISP_HEAD_H__
4#include <nvif/object.h>
5#include "priv.h"
6
7struct nvkm_head {
8	const struct nvkm_head_func *func;
9	struct nvkm_disp *disp;
10	int id;
11
12	struct list_head head;
13
14	struct nvkm_head_state {
15		u16 htotal;
16		u16 hsynce;
17		u16 hblanke;
18		u16 hblanks;
19		u16 vtotal;
20		u16 vsynce;
21		u16 vblanke;
22		u16 vblanks;
23		u32 hz;
24
25		/* Prior to GF119, these are set by the OR. */
26		struct {
27			u8 depth;
28		} or;
29	} arm, asy;
30
31	struct nvkm_object object;
32};
33
34int nvkm_head_new_(const struct nvkm_head_func *, struct nvkm_disp *, int id);
35void nvkm_head_del(struct nvkm_head **);
36struct nvkm_head *nvkm_head_find(struct nvkm_disp *, int id);
37
38struct nvkm_head_func {
39	void (*state)(struct nvkm_head *, struct nvkm_head_state *);
40	void (*rgpos)(struct nvkm_head *, u16 *hline, u16 *vline);
41	void (*rgclk)(struct nvkm_head *, int div);
42	void (*vblank_get)(struct nvkm_head *);
43	void (*vblank_put)(struct nvkm_head *);
44};
45
46int nv50_head_cnt(struct nvkm_disp *, unsigned long *);
47int nv50_head_new(struct nvkm_disp *, int id);
48void nv50_head_rgpos(struct nvkm_head *, u16 *, u16 *);
49
50int gf119_head_cnt(struct nvkm_disp *, unsigned long *);
51int gf119_head_new(struct nvkm_disp *, int id);
52void gf119_head_rgclk(struct nvkm_head *, int);
53
54int gv100_head_cnt(struct nvkm_disp *, unsigned long *);
55int gv100_head_new(struct nvkm_disp *, int id);
56
57#define HEAD_MSG(h,l,f,a...) do {                                              \
58	struct nvkm_head *_h = (h);                                            \
59	nvkm_##l(&_h->disp->engine.subdev, "head-%d: "f"\n", _h->id, ##a);     \
60} while(0)
61#define HEAD_WARN(h,f,a...) HEAD_MSG((h), warn, f, ##a)
62#define HEAD_DBG(h,f,a...) HEAD_MSG((h), debug, f, ##a)
63#endif
64