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

   1 /* SPDX-License-Identifier: MIT */
   2 #ifndef __NVKM_I2C_AUX_H__
   3 #define __NVKM_I2C_AUX_H__
   4 #include "pad.h"
   5
   6 struct nvkm_i2c_aux_func {
   7         bool address_only;
   8         int  (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
   9                      u32 addr, u8 *data, u8 *size);
  10         int  (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
  11                         bool enhanced_framing);
  12 };
  13
  14 int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  15                       int id, struct nvkm_i2c_aux *);
  16 int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  17                       int id, struct nvkm_i2c_aux **);
  18 void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
  19 void nvkm_i2c_aux_init(struct nvkm_i2c_aux *);
  20 void nvkm_i2c_aux_fini(struct nvkm_i2c_aux *);
  21 int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
  22                       u32 addr, u8 *data, u8 *size);
  23
  24 int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  25                      int, u8, struct nvkm_i2c_aux **);
  26
  27 int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  28 int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *);
  29 int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  30 int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  31
  32 #define AUX_MSG(b,l,f,a...) do {                                               \
  33         struct nvkm_i2c_aux *_aux = (b);                                       \
  34         nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a);   \
  35 } while(0)
  36 #define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
  37 #define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
  38 #define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
  39 #endif