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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NVKM_FALCON_H__
#define __NVKM_FALCON_H__
#define nvkm_falcon(p) container_of((p), struct nvkm_falcon, engine)
#include <core/engine.h>
struct nvkm_fifo_chan;
struct nvkm_gpuobj;
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;
const struct nvkm_subdev *owner;
const char *name;
u32 addr;
struct mutex mutex;
struct mutex dmem_mutex;
const struct nvkm_subdev *user;
u8 version;
u8 secret;
bool debug;
bool has_emem;
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;
};
/* This constructor must be called from the owner's oneinit() hook and
* *not* its constructor. This is to ensure that DEVINIT has been
* completed, and that the device is correctly enabled before we touch
* falcon registers.
*/
int nvkm_falcon_v1_new(struct nvkm_subdev *owner, const char *name, u32 addr,
struct nvkm_falcon **);
void nvkm_falcon_del(struct nvkm_falcon **);
int nvkm_falcon_get(struct nvkm_falcon *, const struct nvkm_subdev *);
void nvkm_falcon_put(struct nvkm_falcon *, const struct nvkm_subdev *);
int nvkm_falcon_new_(const struct nvkm_falcon_func *, struct nvkm_device *,
int index, bool enable, u32 addr, struct nvkm_engine **);
struct nvkm_falcon_func {
struct {
u32 *data;
u32 size;
} code;
struct {
u32 *data;
u32 size;
} data;
void (*init)(struct nvkm_falcon *);
void (*intr)(struct nvkm_falcon *, struct nvkm_fifo_chan *);
void (*load_imem)(struct nvkm_falcon *, void *, u32, u32, u16, u8, bool);
void (*load_dmem)(struct nvkm_falcon *, void *, u32, u32, u8);
void (*read_dmem)(struct nvkm_falcon *, u32, u32, u8, void *);
void (*bind_context)(struct nvkm_falcon *, struct nvkm_memory *);
int (*wait_for_halt)(struct nvkm_falcon *, u32);
int (*clear_interrupt)(struct nvkm_falcon *, u32);
void (*set_start_addr)(struct nvkm_falcon *, u32 start_addr);
void (*start)(struct nvkm_falcon *);
int (*enable)(struct nvkm_falcon *falcon);
void (*disable)(struct nvkm_falcon *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_read_dmem(struct nvkm_falcon *, u32, u32, u8, void *);
void nvkm_falcon_bind_context(struct nvkm_falcon *, struct nvkm_memory *);
void nvkm_falcon_set_start_addr(struct nvkm_falcon *, u32);
void nvkm_falcon_start(struct nvkm_falcon *);
int nvkm_falcon_wait_for_halt(struct nvkm_falcon *, u32);
int nvkm_falcon_clear_interrupt(struct nvkm_falcon *, u32);
int nvkm_falcon_enable(struct nvkm_falcon *);
void nvkm_falcon_disable(struct nvkm_falcon *);
int nvkm_falcon_reset(struct nvkm_falcon *);
#endif
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