1/*	$NetBSD: head.h,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
2
3/* SPDX-License-Identifier: MIT */
4#ifndef __NVKM_DISP_HEAD_H__
5#define __NVKM_DISP_HEAD_H__
6#include "priv.h"
7
8struct nvkm_head {
9	const struct nvkm_head_func *func;
10	struct nvkm_disp *disp;
11	int id;
12
13	struct list_head head;
14
15	struct nvkm_head_state {
16		u16 htotal;
17		u16 hsynce;
18		u16 hblanke;
19		u16 hblanks;
20		u16 vtotal;
21		u16 vsynce;
22		u16 vblanke;
23		u16 vblanks;
24		u32 hz;
25
26		/* Prior to GF119, these are set by the OR. */
27		struct {
28			u8 depth;
29		} or;
30	} arm, asy;
31};
32
33int nvkm_head_new_(const struct nvkm_head_func *, struct nvkm_disp *, int id);
34void nvkm_head_del(struct nvkm_head **);
35int nvkm_head_mthd_scanoutpos(struct nvkm_object *,
36			      struct nvkm_head *, void *, u32);
37struct nvkm_head *nvkm_head_find(struct nvkm_disp *, int id);
38
39struct nvkm_head_func {
40	void (*state)(struct nvkm_head *, struct nvkm_head_state *);
41	void (*rgpos)(struct nvkm_head *, u16 *hline, u16 *vline);
42	void (*rgclk)(struct nvkm_head *, int div);
43	void (*vblank_get)(struct nvkm_head *);
44	void (*vblank_put)(struct nvkm_head *);
45};
46
47void nv50_head_rgpos(struct nvkm_head *, u16 *, u16 *);
48
49#define HEAD_MSG(h,l,f,a...) do {                                              \
50	struct nvkm_head *_h = (h);                                            \
51	nvkm_##l(&_h->disp->engine.subdev, "head-%d: "f"\n", _h->id, ##a);     \
52} while(0)
53#define HEAD_WARN(h,f,a...) HEAD_MSG((h), warn, f, ##a)
54#define HEAD_DBG(h,f,a...) HEAD_MSG((h), debug, f, ##a)
55
56int nv04_head_new(struct nvkm_disp *, int id);
57
58int nv50_head_cnt(struct nvkm_disp *, unsigned long *);
59int nv50_head_new(struct nvkm_disp *, int id);
60
61int gf119_head_cnt(struct nvkm_disp *, unsigned long *);
62int gf119_head_new(struct nvkm_disp *, int id);
63void gf119_head_rgclk(struct nvkm_head *, int);
64
65int gv100_head_cnt(struct nvkm_disp *, unsigned long *);
66int gv100_head_new(struct nvkm_disp *, int id);
67#endif
68