text: /* SPDX-License-Identifier: MIT */
  #ifndef __NVKM_I2C_PAD_H__
  #define __NVKM_I2C_PAD_H__
  #include "priv.h"
  
  struct nvkm_i2c_pad {
  	const struct nvkm_i2c_pad_func *func;
  	struct nvkm_i2c *i2c;
  #define NVKM_I2C_PAD_HYBRID(n) /* 'n' is hw pad index */                     (n)
  #define NVKM_I2C_PAD_CCB(n) /* 'n' is ccb index */                 ((n) + 0x100)
  #define NVKM_I2C_PAD_EXT(n) /* 'n' is dcb external encoder type */ ((n) + 0x200)
  	int id;
  
  	enum nvkm_i2c_pad_mode {
  		NVKM_I2C_PAD_OFF,
  		NVKM_I2C_PAD_I2C,
  		NVKM_I2C_PAD_AUX,
  	} mode;
  	struct mutex mutex;
  	struct list_head head;
  };
  
  struct nvkm_i2c_pad_func {
  	int (*bus_new_0)(struct nvkm_i2c_pad *, int id, u8 drive, u8 sense,
  			 struct nvkm_i2c_bus **);
  	int (*bus_new_4)(struct nvkm_i2c_pad *, int id, u8 drive,
  			 struct nvkm_i2c_bus **);
  
  	int (*aux_new_6)(struct nvkm_i2c_pad *, int id, u8 drive,
  			 struct nvkm_i2c_aux **);
  
  	void (*mode)(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
  };
  
  void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
  		       int id, struct nvkm_i2c_pad *);
  int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
  		      int id, struct nvkm_i2c_pad **);
  void nvkm_i2c_pad_del(struct nvkm_i2c_pad **);
  void nvkm_i2c_pad_init(struct nvkm_i2c_pad *);
  void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *);
  void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
  int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
  void nvkm_i2c_pad_release(struct nvkm_i2c_pad *);
  
  void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
  
  int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  int gm200_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  
  int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  int gm200_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
  
  int anx9805_pad_new(struct nvkm_i2c_bus *, int, u8, struct nvkm_i2c_pad **);
  
  #define PAD_MSG(p,l,f,a...) do {                                               \
  	struct nvkm_i2c_pad *_pad = (p);                                       \
  	nvkm_##l(&_pad->i2c->subdev, "pad %04x: "f"\n", _pad->id, ##a);        \
  } while(0)
  #define PAD_ERR(p,f,a...) PAD_MSG((p), error, f, ##a)
  #define PAD_DBG(p,f,a...) PAD_MSG((p), debug, f, ##a)
  #define PAD_TRACE(p,f,a...) PAD_MSG((p), trace, f, ##a)
  #endif
  