Release 4.17 drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NVKM_DISP_HEAD_H__

#define __NVKM_DISP_HEAD_H__
#include "priv.h"


struct nvkm_head {
	
const struct nvkm_head_func *func;
	
struct nvkm_disp *disp;
	
int id;

	
struct list_head head;

	
struct nvkm_head_state {
		
u16 htotal;
		
u16 hsynce;
		
u16 hblanke;
		
u16 hblanks;
		
u16 vtotal;
		
u16 vsynce;
		
u16 vblanke;
		
u16 vblanks;
		
u32 hz;

		/* Prior to GF119, these are set by the OR. */
		
struct {
			
u8 depth;
		
} or;
	

} arm, asy;
};

int nvkm_head_new_(const struct nvkm_head_func *, struct nvkm_disp *, int id);
void nvkm_head_del(struct nvkm_head **);
int nvkm_head_mthd_scanoutpos(struct nvkm_object *,
			      struct nvkm_head *, void *, u32);
struct nvkm_head *nvkm_head_find(struct nvkm_disp *, int id);


struct nvkm_head_func {
	
void (*state)(struct nvkm_head *, struct nvkm_head_state *);
	
void (*rgpos)(struct nvkm_head *, u16 *hline, u16 *vline);
	
void (*rgclk)(struct nvkm_head *, int div);
	
void (*vblank_get)(struct nvkm_head *);
	
void (*vblank_put)(struct nvkm_head *);
};

void nv50_head_rgpos(struct nvkm_head *, u16 *, u16 *);


#define HEAD_MSG(h,l,f,a...) do {                                              \
        struct nvkm_head *_h = (h);                                            \
        nvkm_##l(&_h->disp->engine.subdev, "head-%d: "f"\n", _h->id, ##a);     \
} while(0)

#define HEAD_WARN(h,f,a...) HEAD_MSG((h), warn, f, ##a)

#define HEAD_DBG(h,f,a...) HEAD_MSG((h), debug, f, ##a)

int nv04_head_new(struct nvkm_disp *, int id);
int nv50_head_new(struct nvkm_disp *, int id);
int gf119_head_new(struct nvkm_disp *, int id);
#endif
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Directory: drivers/gpu/drm/nouveau/nvkm/engine/disp

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