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 23 struct mutex mutex; 24 struct mutex dmem_mutex; 25 bool oneinit; 26 27 struct nvkm_subdev *user; 28 29 u8 version; 30 u8 secret; 31 bool debug; 32 33 struct nvkm_memory *core; 34 bool external; 35 36 struct { 37 u32 limit; 38 u32 *data; 39 u32 size; 40 u8 ports; 41 } code; 42 43 struct { 44 u32 limit; 45 u32 *data; 46 u32 size; 47 u8 ports; 48 } data; 49 50 struct nvkm_engine engine; 51 }; 52 53 int nvkm_falcon_get(struct nvkm_falcon *, struct nvkm_subdev *); 54 void nvkm_falcon_put(struct nvkm_falcon *, struct nvkm_subdev *); 55 56 int nvkm_falcon_new_(const struct nvkm_falcon_func *, struct nvkm_device *, 57 enum nvkm_subdev_type, int inst, bool enable, u32 addr, struct nvkm_engine **); 58 59 struct nvkm_falcon_func { 60 int (*disable)(struct nvkm_falcon *); 61 int (*enable)(struct nvkm_falcon *); 62 bool reset_pmc; 63 int (*reset_eng)(struct nvkm_falcon *); 64 int (*reset_wait_mem_scrubbing)(struct nvkm_falcon *); 65 66 u32 debug; 67 const struct nvkm_falcon_func_pio *imem_pio; 68 const struct nvkm_falcon_func_pio *dmem_pio; 69 70 struct { 71 u32 *data; 72 u32 size; 73 } code; 74 struct { 75 u32 *data; 76 u32 size; 77 } data; 78 void (*init)(struct nvkm_falcon *); 79 void (*intr)(struct nvkm_falcon *, struct nvkm_chan *); 80 81 u32 fbif; 82 83 void (*load_imem)(struct nvkm_falcon *, void *, u32, u32, u16, u8, bool); 84 void (*load_dmem)(struct nvkm_falcon *, void *, u32, u32, u8); 85 void (*read_dmem)(struct nvkm_falcon *, u32, u32, u8, void *); 86 u32 emem_addr; 87 void (*bind_context)(struct nvkm_falcon *, struct nvkm_memory *); 88 int (*wait_for_halt)(struct nvkm_falcon *, u32); 89 int (*clear_interrupt)(struct nvkm_falcon *, u32); 90 void (*set_start_addr)(struct nvkm_falcon *, u32 start_addr); 91 void (*start)(struct nvkm_falcon *); 92 93 struct { 94 u32 head; 95 u32 tail; 96 u32 stride; 97 } cmdq, msgq; 98 99 struct nvkm_sclass sclass[]; 100 }; 101 102 static inline u32 103 nvkm_falcon_rd32(struct nvkm_falcon *falcon, u32 addr) 104 { 105 return nvkm_rd32(falcon->owner->device, falcon->addr + addr); 106 } 107 108 static inline void 109 nvkm_falcon_wr32(struct nvkm_falcon *falcon, u32 addr, u32 data) 110 { 111 nvkm_wr32(falcon->owner->device, falcon->addr + addr, data); 112 } 113 114 static inline u32 115 nvkm_falcon_mask(struct nvkm_falcon *falcon, u32 addr, u32 mask, u32 val) 116 { 117 struct nvkm_device *device = falcon->owner->device; 118 119 return nvkm_mask(device, falcon->addr + addr, mask, val); 120 } 121 122 void nvkm_falcon_load_imem(struct nvkm_falcon *, void *, u32, u32, u16, u8, 123 bool); 124 void nvkm_falcon_load_dmem(struct nvkm_falcon *, void *, u32, u32, u8); 125 void nvkm_falcon_read_dmem(struct nvkm_falcon *, u32, u32, u8, void *); 126 void nvkm_falcon_bind_context(struct nvkm_falcon *, struct nvkm_memory *); 127 void nvkm_falcon_set_start_addr(struct nvkm_falcon *, u32); 128 void nvkm_falcon_start(struct nvkm_falcon *); 129 int nvkm_falcon_wait_for_halt(struct nvkm_falcon *, u32); 130 int nvkm_falcon_clear_interrupt(struct nvkm_falcon *, u32); 131 #endif 132