diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h new file mode 100644 index 000000000..b7bb8a29a --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h @@ -0,0 +1,132 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVKM_FLCNEN_H__ +#define __NVKM_FLCNEN_H__ +#define nvkm_falcon(p) container_of((p), struct nvkm_falcon, engine) +#include <core/engine.h> +struct nvkm_chan; + +enum nvkm_falcon_dmaidx { + FALCON_DMAIDX_UCODE = 0, + FALCON_DMAIDX_VIRT = 1, + FALCON_DMAIDX_PHYS_VID = 2, + FALCON_DMAIDX_PHYS_SYS_COH = 3, + FALCON_DMAIDX_PHYS_SYS_NCOH = 4, + FALCON_SEC2_DMAIDX_UCODE = 6, +}; + +struct nvkm_falcon { + const struct nvkm_falcon_func *func; + struct nvkm_subdev *owner; + const char *name; + u32 addr; + u32 addr2; + + struct mutex mutex; + struct mutex dmem_mutex; + bool oneinit; + + struct nvkm_subdev *user; + + u8 version; + u8 secret; + bool debug; + + struct nvkm_memory *core; + bool external; + + struct { + u32 limit; + u32 *data; + u32 size; + u8 ports; + } code; + + struct { + u32 limit; + u32 *data; + u32 size; + u8 ports; + } data; + + struct nvkm_engine engine; +}; + +int nvkm_falcon_get(struct nvkm_falcon *, struct nvkm_subdev *); +void nvkm_falcon_put(struct nvkm_falcon *, struct nvkm_subdev *); + +int nvkm_falcon_new_(const struct nvkm_falcon_func *, struct nvkm_device *, + enum nvkm_subdev_type, int inst, bool enable, u32 addr, struct nvkm_engine **); + +struct nvkm_falcon_func { + int (*disable)(struct nvkm_falcon *); + int (*enable)(struct nvkm_falcon *); + int (*select)(struct nvkm_falcon *); + u32 addr2; + bool reset_pmc; + int (*reset_eng)(struct nvkm_falcon *); + int (*reset_prep)(struct nvkm_falcon *); + int (*reset_wait_mem_scrubbing)(struct nvkm_falcon *); + + u32 debug; + void (*bind_inst)(struct nvkm_falcon *, int target, u64 addr); + int (*bind_stat)(struct nvkm_falcon *, bool intr); + bool bind_intr; + + const struct nvkm_falcon_func_pio *imem_pio; + const struct nvkm_falcon_func_dma *imem_dma; + + const struct nvkm_falcon_func_pio *dmem_pio; + const struct nvkm_falcon_func_dma *dmem_dma; + + u32 emem_addr; + const struct nvkm_falcon_func_pio *emem_pio; + + struct { + u32 head; + u32 tail; + u32 stride; + } cmdq, msgq; + + struct { + u32 *data; + u32 size; + } code; + struct { + u32 *data; + u32 size; + } data; + void (*init)(struct nvkm_falcon *); + void (*intr)(struct nvkm_falcon *, struct nvkm_chan *); + + void (*load_imem)(struct nvkm_falcon *, void *, u32, u32, u16, u8, bool); + void (*load_dmem)(struct nvkm_falcon *, void *, u32, u32, u8); + void (*start)(struct nvkm_falcon *); + + struct nvkm_sclass sclass[]; +}; + +static inline u32 +nvkm_falcon_rd32(struct nvkm_falcon *falcon, u32 addr) +{ + return nvkm_rd32(falcon->owner->device, falcon->addr + addr); +} + +static inline void +nvkm_falcon_wr32(struct nvkm_falcon *falcon, u32 addr, u32 data) +{ + nvkm_wr32(falcon->owner->device, falcon->addr + addr, data); +} + +static inline u32 +nvkm_falcon_mask(struct nvkm_falcon *falcon, u32 addr, u32 mask, u32 val) +{ + struct nvkm_device *device = falcon->owner->device; + + return nvkm_mask(device, falcon->addr + addr, mask, val); +} + +void nvkm_falcon_load_imem(struct nvkm_falcon *, void *, u32, u32, u16, u8, + bool); +void nvkm_falcon_load_dmem(struct nvkm_falcon *, void *, u32, u32, u8); +void nvkm_falcon_start(struct nvkm_falcon *); +#endif |