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kernel/linux-rt-4.4.41/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h 1.22 KB
5113f6f70   김현기   kernel add
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  #ifndef __NVKM_I2C_AUX_H__
  #define __NVKM_I2C_AUX_H__
  #include "pad.h"
  
  struct nvkm_i2c_aux_func {
  	int  (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
  		     u32 addr, u8 *data, u8 size);
  	int  (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
  			bool enhanced_framing);
  };
  
  int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  		      int id, struct nvkm_i2c_aux *);
  int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  		      int id, struct nvkm_i2c_aux **);
  void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
  int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
  		      u32 addr, u8 *data, u8 size);
  
  int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  int gm204_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  
  #define AUX_MSG(b,l,f,a...) do {                                               \
  	struct nvkm_i2c_aux *_aux = (b);                                       \
  	nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"
  ", _aux->id, ##a);   \
  } while(0)
  #define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
  #define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
  #define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
  #endif