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1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __GK104_FIFO_H__
3 #define __GK104_FIFO_H__
4 #define gk104_fifo(p) container_of((p), struct gk104_fifo, base)
5 #include "priv.h"
6 
7 #include <core/enum.h>
8 #include <subdev/mmu.h>
9 
10 struct gk104_fifo_chan;
11 struct gk104_fifo {
12 	const struct gk104_fifo_func *func;
13 	struct nvkm_fifo base;
14 
15 	struct {
16 		struct work_struct work;
17 		u32 engm;
18 		u32 runm;
19 	} recover;
20 
21 	int pbdma_nr;
22 
23 	struct {
24 		struct nvkm_engine *engine;
25 		int runl;
26 		int pbid;
27 	} engine[16];
28 	int engine_nr;
29 
30 	struct {
31 		struct nvkm_memory *mem[2];
32 		int next;
33 		wait_queue_head_t wait;
34 		struct list_head chan;
35 		u32 engm;
36 	} runlist[16];
37 	int runlist_nr;
38 
39 	struct {
40 		struct nvkm_memory *mem;
41 		struct nvkm_vma bar;
42 	} user;
43 };
44 
45 struct gk104_fifo_func {
46 	struct {
47 		const struct nvkm_enum *engine;
48 		const struct nvkm_enum *reason;
49 		const struct nvkm_enum *hubclient;
50 		const struct nvkm_enum *gpcclient;
51 	} fault;
52 
53 	const struct nvkm_fifo_chan_oclass *chan[];
54 };
55 
56 int gk104_fifo_new_(const struct gk104_fifo_func *, struct nvkm_device *,
57 		    int index, int nr, struct nvkm_fifo **);
58 void gk104_fifo_runlist_insert(struct gk104_fifo *, struct gk104_fifo_chan *);
59 void gk104_fifo_runlist_remove(struct gk104_fifo *, struct gk104_fifo_chan *);
60 void gk104_fifo_runlist_commit(struct gk104_fifo *, int runl);
61 
62 static inline u64
gk104_fifo_engine_subdev(int engine)63 gk104_fifo_engine_subdev(int engine)
64 {
65 	switch (engine) {
66 	case 0: return (1ULL << NVKM_ENGINE_GR) |
67 		       (1ULL << NVKM_ENGINE_SW) |
68 		       (1ULL << NVKM_ENGINE_CE2);
69 	case 1: return (1ULL << NVKM_ENGINE_MSPDEC);
70 	case 2: return (1ULL << NVKM_ENGINE_MSPPP);
71 	case 3: return (1ULL << NVKM_ENGINE_MSVLD);
72 	case 4: return (1ULL << NVKM_ENGINE_CE0);
73 	case 5: return (1ULL << NVKM_ENGINE_CE1);
74 	case 6: return (1ULL << NVKM_ENGINE_MSENC);
75 	default:
76 		WARN_ON(1);
77 		return 0;
78 	}
79 }
80 
81 extern const struct nvkm_enum gk104_fifo_fault_engine[];
82 extern const struct nvkm_enum gk104_fifo_fault_reason[];
83 extern const struct nvkm_enum gk104_fifo_fault_hubclient[];
84 extern const struct nvkm_enum gk104_fifo_fault_gpcclient[];
85 
86 extern const struct nvkm_enum gm107_fifo_fault_engine[];
87 extern const struct nvkm_enum gp100_fifo_fault_engine[];
88 #endif
89