/*	$NetBSD: gk104.h,v 1.5 2021/12/19 10:51:57 riastradh Exp $	*/

/* SPDX-License-Identifier: MIT */
#ifndef __GK104_FIFO_H__
#define __GK104_FIFO_H__
#define gk104_fifo(p) container_of((p), struct gk104_fifo, base)
#include "priv.h"
struct nvkm_fifo_cgrp;

#include <core/enum.h>
#include <subdev/mmu.h>

struct gk104_fifo_chan;
struct gk104_fifo {
	const struct gk104_fifo_func *func;
	struct nvkm_fifo base;

	struct {
		struct work_struct work;
		u32 engm;
		u32 runm;
	} recover;

	int pbdma_nr;

	struct {
		struct nvkm_engine *engine;
		int runl;
		int pbid;
	} engine[16];
	int engine_nr;

	struct {
		struct nvkm_memory *mem[2];
		int next;
#ifdef __NetBSD__
		spinlock_t lock;
		drm_waitqueue_t wait;
#else
		wait_queue_head_t wait;
#endif
		struct list_head cgrp;
		struct list_head chan;
		u32 engm;
	} runlist[16];
	int runlist_nr;

	struct {
		struct nvkm_memory *mem;
		struct nvkm_vma *bar;
	} user;
};

struct gk104_fifo_func {
	struct {
		void (*fault)(struct nvkm_fifo *, int unit);
	} intr;

	const struct gk104_fifo_pbdma_func {
		int (*nr)(struct gk104_fifo *);
		void (*init)(struct gk104_fifo *);
		void (*init_timeout)(struct gk104_fifo *);
	} *pbdma;

	struct {
		const struct nvkm_enum *access;
		const struct nvkm_enum *engine;
		const struct nvkm_enum *reason;
		const struct nvkm_enum *hubclient;
		const struct nvkm_enum *gpcclient;
	} fault;

	const struct gk104_fifo_runlist_func {
		u8 size;
		void (*cgrp)(struct nvkm_fifo_cgrp *,
			     struct nvkm_memory *, u32 offset);
		void (*chan)(struct gk104_fifo_chan *,
			     struct nvkm_memory *, u32 offset);
		void (*commit)(struct gk104_fifo *, int runl,
			       struct nvkm_memory *, int entries);
	} *runlist;

	struct gk104_fifo_user_user {
		struct nvkm_sclass user;
		int (*ctor)(const struct nvkm_oclass *, void *, u32,
			    struct nvkm_object **);
	} user;

	struct gk104_fifo_chan_user {
		struct nvkm_sclass user;
		int (*ctor)(struct gk104_fifo *, const struct nvkm_oclass *,
			    void *, u32, struct nvkm_object **);
	} chan;
	bool cgrp_force;
};

int gk104_fifo_new_(const struct gk104_fifo_func *, struct nvkm_device *,
		    int index, int nr, struct nvkm_fifo **);
void gk104_fifo_runlist_insert(struct gk104_fifo *, struct gk104_fifo_chan *);
void gk104_fifo_runlist_remove(struct gk104_fifo *, struct gk104_fifo_chan *);
void gk104_fifo_runlist_update(struct gk104_fifo *, int runl);

extern const struct gk104_fifo_pbdma_func gk104_fifo_pbdma;
int gk104_fifo_pbdma_nr(struct gk104_fifo *);
void gk104_fifo_pbdma_init(struct gk104_fifo *);
extern const struct nvkm_enum gk104_fifo_fault_access[];
extern const struct nvkm_enum gk104_fifo_fault_engine[];
extern const struct nvkm_enum gk104_fifo_fault_reason[];
extern const struct nvkm_enum gk104_fifo_fault_hubclient[];
extern const struct nvkm_enum gk104_fifo_fault_gpcclient[];
extern const struct gk104_fifo_runlist_func gk104_fifo_runlist;
void gk104_fifo_runlist_chan(struct gk104_fifo_chan *,
			     struct nvkm_memory *, u32);
void gk104_fifo_runlist_commit(struct gk104_fifo *, int runl,
			       struct nvkm_memory *, int);

extern const struct gk104_fifo_runlist_func gk110_fifo_runlist;
void gk110_fifo_runlist_cgrp(struct nvkm_fifo_cgrp *,
			     struct nvkm_memory *, u32);

extern const struct gk104_fifo_pbdma_func gk208_fifo_pbdma;
void gk208_fifo_pbdma_init_timeout(struct gk104_fifo *);

void gm107_fifo_intr_fault(struct nvkm_fifo *, int);
extern const struct nvkm_enum gm107_fifo_fault_engine[];
extern const struct gk104_fifo_runlist_func gm107_fifo_runlist;

extern const struct gk104_fifo_pbdma_func gm200_fifo_pbdma;
int gm200_fifo_pbdma_nr(struct gk104_fifo *);

void gp100_fifo_intr_fault(struct nvkm_fifo *, int);
extern const struct nvkm_enum gp100_fifo_fault_engine[];

extern const struct nvkm_enum gv100_fifo_fault_access[];
extern const struct nvkm_enum gv100_fifo_fault_reason[];
extern const struct nvkm_enum gv100_fifo_fault_hubclient[];
extern const struct nvkm_enum gv100_fifo_fault_gpcclient[];
void gv100_fifo_runlist_cgrp(struct nvkm_fifo_cgrp *,
			     struct nvkm_memory *, u32);
void gv100_fifo_runlist_chan(struct gk104_fifo_chan *,
			     struct nvkm_memory *, u32);
#endif