drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h

   1 #ifndef __NVKM_I2C_AUX_H__
   2 #define __NVKM_I2C_AUX_H__
   3 #include "pad.h"
   4
   5 struct nvkm_i2c_aux_func {
   6         int  (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
   7                      u32 addr, u8 *data, u8 size);
   8         int  (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
   9                         bool enhanced_framing);
  10 };
  11
  12 int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  13                       int id, struct nvkm_i2c_aux *);
  14 int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  15                       int id, struct nvkm_i2c_aux **);
  16 void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
  17 int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
  18                       u32 addr, u8 *data, u8 size);
  19
  20 int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  21 int gm204_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  22
  23 #define AUX_MSG(b,l,f,a...) do {                                               \
  24         struct nvkm_i2c_aux *_aux = (b);                                       \
  25         nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a);   \
  26 } while(0)
  27 #define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
  28 #define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
  29 #define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
  30 #endif