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

   1 #ifndef __NV50_I2C_H__
   2 #define __NV50_I2C_H__
   3
   4 #include "priv.h"
   5
   6 struct nv50_i2c_priv {
   7         struct nouveau_i2c base;
   8 };
   9
  10 struct nv50_i2c_port {
  11         struct nouveau_i2c_port base;
  12         u32 addr;
  13         u32 ctrl;
  14         u32 data;
  15         u32 state;
  16 };
  17
  18 extern const u32 nv50_i2c_addr[];
  19 extern const int nv50_i2c_addr_nr;
  20 int  nv50_i2c_port_init(struct nouveau_object *);
  21 int  nv50_i2c_sense_scl(struct nouveau_i2c_port *);
  22 int  nv50_i2c_sense_sda(struct nouveau_i2c_port *);
  23 void nv50_i2c_drive_scl(struct nouveau_i2c_port *, int state);
  24 void nv50_i2c_drive_sda(struct nouveau_i2c_port *, int state);
  25
  26 int  nv94_aux_port_ctor(struct nouveau_object *, struct nouveau_object *,
  27                         struct nouveau_oclass *, void *, u32,
  28                         struct nouveau_object **);
  29 void nv94_i2c_acquire(struct nouveau_i2c_port *);
  30 void nv94_i2c_release(struct nouveau_i2c_port *);
  31
  32 #endif