1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_FLCNEN_H__
3 #define __NVKM_FLCNEN_H__
4 #define nvkm_falcon(p) container_of((p), struct nvkm_falcon, engine)
5 #include <core/engine.h>
6 struct nvkm_fifo_chan;
7
8 enum nvkm_falcon_dmaidx {
9 FALCON_DMAIDX_UCODE = 0,
10 FALCON_DMAIDX_VIRT = 1,
11 FALCON_DMAIDX_PHYS_VID = 2,
12 FALCON_DMAIDX_PHYS_SYS_COH = 3,
13 FALCON_DMAIDX_PHYS_SYS_NCOH = 4,
14 FALCON_SEC2_DMAIDX_UCODE = 6,
15 };
16
17 struct nvkm_falcon {
18 const struct nvkm_falcon_func *func;
19 struct nvkm_subdev *owner;
20 const char *name;
21 u32 addr;
22 u32 addr2;
23
24 struct mutex mutex;
25 struct mutex dmem_mutex;
26 bool oneinit;
27
28 struct nvkm_subdev *user;
29
30 u8 version;
31 u8 secret;
32 bool debug;
33
34 struct nvkm_memory *core;
35 bool external;
36
37 struct {
38 u32 limit;
39 u32 *data;
40 u32 size;
41 u8 ports;
42 } code;
43
44 struct {
45 u32 limit;
46 u32 *data;
47 u32 size;
48 u8 ports;
49 } data;
50
51 struct nvkm_engine engine;
52 };
53
54 int nvkm_falcon_get(struct nvkm_falcon *, struct nvkm_subdev *);
55 void nvkm_falcon_put(struct nvkm_falcon *, struct nvkm_subdev *);
56
57 int nvkm_falcon_new_(const struct nvkm_falcon_func *, struct nvkm_device *,
58 enum nvkm_subdev_type, int inst, bool enable, u32 addr, struct nvkm_engine **);
59
60 struct nvkm_falcon_func {
61 int (*disable)(struct nvkm_falcon *);
62 int (*enable)(struct nvkm_falcon *);
63 int (*select)(struct nvkm_falcon *);
64 u32 addr2;
65 bool reset_pmc;
66 int (*reset_eng)(struct nvkm_falcon *);
67 int (*reset_prep)(struct nvkm_falcon *);
68 int (*reset_wait_mem_scrubbing)(struct nvkm_falcon *);
69
70 u32 debug;
71 void (*bind_inst)(struct nvkm_falcon *, int target, u64 addr);
72 int (*bind_stat)(struct nvkm_falcon *, bool intr);
73 bool bind_intr;
74
75 const struct nvkm_falcon_func_pio *imem_pio;
76 const struct nvkm_falcon_func_dma *imem_dma;
77
78 const struct nvkm_falcon_func_pio *dmem_pio;
79 const struct nvkm_falcon_func_dma *dmem_dma;
80
81 u32 emem_addr;
82 const struct nvkm_falcon_func_pio *emem_pio;
83
84 struct {
85 u32 head;
86 u32 tail;
87 u32 stride;
88 } cmdq, msgq;
89
90 struct {
91 u32 *data;
92 u32 size;
93 } code;
94 struct {
95 u32 *data;
96 u32 size;
97 } data;
98 void (*init)(struct nvkm_falcon *);
99 void (*intr)(struct nvkm_falcon *, struct nvkm_chan *);
100
101 void (*load_imem)(struct nvkm_falcon *, void *, u32, u32, u16, u8, bool);
102 void (*load_dmem)(struct nvkm_falcon *, void *, u32, u32, u8);
103 void (*start)(struct nvkm_falcon *);
104
105 struct nvkm_sclass sclass[];
106 };
107
108 static inline u32
nvkm_falcon_rd32(struct nvkm_falcon * falcon,u32 addr)109 nvkm_falcon_rd32(struct nvkm_falcon *falcon, u32 addr)
110 {
111 return nvkm_rd32(falcon->owner->device, falcon->addr + addr);
112 }
113
114 static inline void
nvkm_falcon_wr32(struct nvkm_falcon * falcon,u32 addr,u32 data)115 nvkm_falcon_wr32(struct nvkm_falcon *falcon, u32 addr, u32 data)
116 {
117 nvkm_wr32(falcon->owner->device, falcon->addr + addr, data);
118 }
119
120 static inline u32
nvkm_falcon_mask(struct nvkm_falcon * falcon,u32 addr,u32 mask,u32 val)121 nvkm_falcon_mask(struct nvkm_falcon *falcon, u32 addr, u32 mask, u32 val)
122 {
123 struct nvkm_device *device = falcon->owner->device;
124
125 return nvkm_mask(device, falcon->addr + addr, mask, val);
126 }
127
128 void nvkm_falcon_load_imem(struct nvkm_falcon *, void *, u32, u32, u16, u8,
129 bool);
130 void nvkm_falcon_load_dmem(struct nvkm_falcon *, void *, u32, u32, u8);
131 void nvkm_falcon_start(struct nvkm_falcon *);
132 #endif
133