drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.h

   1 #ifndef __NV50_I2C_H__
   2 #define __NV50_I2C_H__
   3 #include "priv.h"
   4
   5 struct nv50_i2c_priv {
   6         struct nvkm_i2c base;
   7 };
   8
   9 struct nv50_i2c_port {
  10         struct nvkm_i2c_port base;
  11         u32 addr;
  12         u32 state;
  13 };
  14
  15 extern const u32 nv50_i2c_addr[];
  16 extern const int nv50_i2c_addr_nr;
  17 int  nv50_i2c_port_init(struct nvkm_object *);
  18 int  nv50_i2c_sense_scl(struct nvkm_i2c_port *);
  19 int  nv50_i2c_sense_sda(struct nvkm_i2c_port *);
  20 void nv50_i2c_drive_scl(struct nvkm_i2c_port *, int state);
  21 void nv50_i2c_drive_sda(struct nvkm_i2c_port *, int state);
  22
  23 int  g94_aux_port_ctor(struct nvkm_object *, struct nvkm_object *,
  24                         struct nvkm_oclass *, void *, u32,
  25                         struct nvkm_object **);
  26 void g94_i2c_acquire(struct nvkm_i2c_port *);
  27 void g94_i2c_release(struct nvkm_i2c_port *);
  28
  29 int  gf110_i2c_port_ctor(struct nvkm_object *, struct nvkm_object *,
  30                         struct nvkm_oclass *, void *, u32,
  31                         struct nvkm_object **);
  32 #endif