linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h

/* SPDX-License-Identifier: MIT */
#ifndef __NVKM_I2C_H__
#define __NVKM_I2C_H__
#include <core/subdev.h>
#include <core/event.h>

#include <subdev/bios.h>
#include <subdev/bios/i2c.h>

struct nvkm_i2c_bus_probe { … };

struct nvkm_i2c_bus { … };

int nvkm_i2c_bus_acquire(struct nvkm_i2c_bus *);
void nvkm_i2c_bus_release(struct nvkm_i2c_bus *);
int nvkm_i2c_bus_probe(struct nvkm_i2c_bus *, const char *,
		       struct nvkm_i2c_bus_probe *,
		       bool (*)(struct nvkm_i2c_bus *,
			        struct i2c_board_info *, void *), void *);

struct nvkm_i2c_aux { … };

void nvkm_i2c_aux_monitor(struct nvkm_i2c_aux *, bool monitor);
int nvkm_i2c_aux_acquire(struct nvkm_i2c_aux *);
void nvkm_i2c_aux_release(struct nvkm_i2c_aux *);
int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
		      u32 addr, u8 *data, u8 *size);
int nvkm_i2c_aux_lnk_ctl(struct nvkm_i2c_aux *, int link_nr, int link_bw,
			 bool enhanced_framing);

struct nvkm_i2c { … };

struct nvkm_i2c_bus *nvkm_i2c_bus_find(struct nvkm_i2c *, int);
struct nvkm_i2c_aux *nvkm_i2c_aux_find(struct nvkm_i2c *, int);

int nv04_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int nv4e_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int nv50_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int g94_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int gf117_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int gf119_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int gk104_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int gk110_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);
int gm200_i2c_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_i2c **);

static inline int
nvkm_rdi2cr(struct i2c_adapter *adap, u8 addr, u8 reg)
{ … }

static inline int
nv_rd16i2cr(struct i2c_adapter *adap, u8 addr, u8 reg)
{ … }

static inline int
nvkm_wri2cr(struct i2c_adapter *adap, u8 addr, u8 reg, u8 val)
{ … }

static inline int
nv_wr16i2cr(struct i2c_adapter *adap, u8 addr, u8 reg, u16 val)
{ … }

static inline bool
nvkm_probe_i2c(struct i2c_adapter *adap, u8 addr)
{ … }

static inline int
nvkm_rdaux(struct nvkm_i2c_aux *aux, u32 addr, u8 *data, u8 size)
{ … }

static inline int
nvkm_wraux(struct nvkm_i2c_aux *aux, u32 addr, u8 *data, u8 size)
{ … }
#endif