kernel/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h

   1 #ifndef __NVKM_I2C_PAD_H__
   2 #define __NVKM_I2C_PAD_H__
   3 #include "priv.h"
   4
   5 struct nvkm_i2c_pad {
   6         struct nvkm_object base;
   7         int index;
   8         struct nvkm_i2c_port *port;
   9         struct nvkm_i2c_port *next;
  10 };
  11
  12 static inline struct nvkm_i2c_pad *
  13 nvkm_i2c_pad(struct nvkm_i2c_port *port)
  14 {
  15         struct nvkm_object *pad = nv_object(port);
  16         while (!nv_iclass(pad->parent, NV_SUBDEV_CLASS))
  17                 pad = pad->parent;
  18         return (void *)pad;
  19 }
  20
  21 #define nvkm_i2c_pad_create(p,e,o,i,d)                                         \
  22         nvkm_i2c_pad_create_((p), (e), (o), (i), sizeof(**d), (void **)d)
  23 #define nvkm_i2c_pad_destroy(p) ({                                             \
  24         struct nvkm_i2c_pad *_p = (p);                                         \
  25         _nvkm_i2c_pad_dtor(nv_object(_p));                                     \
  26 })
  27 #define nvkm_i2c_pad_init(p) ({                                                \
  28         struct nvkm_i2c_pad *_p = (p);                                         \
  29         _nvkm_i2c_pad_init(nv_object(_p));                                     \
  30 })
  31 #define nvkm_i2c_pad_fini(p,s) ({                                              \
  32         struct nvkm_i2c_pad *_p = (p);                                         \
  33         _nvkm_i2c_pad_fini(nv_object(_p), (s));                                \
  34 })
  35
  36 int nvkm_i2c_pad_create_(struct nvkm_object *, struct nvkm_object *,
  37                          struct nvkm_oclass *, int index, int, void **);
  38
  39 int _nvkm_i2c_pad_ctor(struct nvkm_object *, struct nvkm_object *,
  40                        struct nvkm_oclass *, void *, u32,
  41                        struct nvkm_object **);
  42 #define _nvkm_i2c_pad_dtor nvkm_object_destroy
  43 int _nvkm_i2c_pad_init(struct nvkm_object *);
  44 int _nvkm_i2c_pad_fini(struct nvkm_object *, bool);
  45
  46 #ifndef MSG
  47 #define MSG(l,f,a...) do {                                                     \
  48         struct nvkm_i2c_pad *_pad = (void *)pad;                               \
  49         nv_##l(_pad, "PAD:%c:%02x: "f,                                         \
  50                _pad->index >= 0x100 ? 'X' : 'S',                               \
  51                _pad->index >= 0x100 ? _pad->index - 0x100 : _pad->index, ##a); \
  52 } while(0)
  53 #define DBG(f,a...) MSG(debug, f, ##a)
  54 #define ERR(f,a...) MSG(error, f, ##a)
  55 #endif
  56 #endif