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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __NVKM_I2C_AUX_H__
   3#define __NVKM_I2C_AUX_H__
   4#include "pad.h"
   5
   6struct 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
  14int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  15                      int id, struct nvkm_i2c_aux *);
  16int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  17                      int id, struct nvkm_i2c_aux **);
  18void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
  19int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
  20                      u32 addr, u8 *data, u8 *size);
  21
  22int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
  23                     int, u8, struct nvkm_i2c_aux **);
  24
  25int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  26int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *);
  27int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  28int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
  29
  30#define AUX_MSG(b,l,f,a...) do {                                               \
  31        struct nvkm_i2c_aux *_aux = (b);                                       \
  32        nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a);   \
  33} while(0)
  34#define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
  35#define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
  36#define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
  37#endif
  38