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

   1 #ifndef __NVKM_I2C_PRIV_H__
   2 #define __NVKM_I2C_PRIV_H__
   3 #include <subdev/i2c.h>
   4
   5 extern struct nvkm_oclass nv04_i2c_pad_oclass;
   6 extern struct nvkm_oclass g94_i2c_pad_oclass;
   7 extern struct nvkm_oclass gm204_i2c_pad_oclass;
   8
   9 #define nvkm_i2c_port_create(p,e,o,i,a,f,d)                                 \
  10         nvkm_i2c_port_create_((p), (e), (o), (i), (a), (f),                 \
  11                                  sizeof(**d), (void **)d)
  12 #define nvkm_i2c_port_destroy(p) ({                                         \
  13         struct nvkm_i2c_port *port = (p);                                   \
  14         _nvkm_i2c_port_dtor(nv_object(i2c));                                \
  15 })
  16 #define nvkm_i2c_port_init(p)                                               \
  17         nvkm_object_init(&(p)->base)
  18 #define nvkm_i2c_port_fini(p,s)                                             \
  19         nvkm_object_fini(&(p)->base, (s))
  20
  21 int nvkm_i2c_port_create_(struct nvkm_object *, struct nvkm_object *,
  22                              struct nvkm_oclass *, u8,
  23                              const struct i2c_algorithm *,
  24                              const struct nvkm_i2c_func *,
  25                              int, void **);
  26 void _nvkm_i2c_port_dtor(struct nvkm_object *);
  27 #define _nvkm_i2c_port_init nvkm_object_init
  28 int  _nvkm_i2c_port_fini(struct nvkm_object *, bool);
  29
  30 #define nvkm_i2c_create(p,e,o,d)                                            \
  31         nvkm_i2c_create_((p), (e), (o), sizeof(**d), (void **)d)
  32 #define nvkm_i2c_destroy(p) ({                                              \
  33         struct nvkm_i2c *i2c = (p);                                         \
  34         _nvkm_i2c_dtor(nv_object(i2c));                                     \
  35 })
  36 #define nvkm_i2c_init(p) ({                                                 \
  37         struct nvkm_i2c *i2c = (p);                                         \
  38         _nvkm_i2c_init(nv_object(i2c));                                     \
  39 })
  40 #define nvkm_i2c_fini(p,s) ({                                               \
  41         struct nvkm_i2c *i2c = (p);                                         \
  42         _nvkm_i2c_fini(nv_object(i2c), (s));                                \
  43 })
  44
  45 int nvkm_i2c_create_(struct nvkm_object *, struct nvkm_object *,
  46                         struct nvkm_oclass *, int, void **);
  47 int  _nvkm_i2c_ctor(struct nvkm_object *, struct nvkm_object *,
  48                        struct nvkm_oclass *, void *, u32,
  49                        struct nvkm_object **);
  50 void _nvkm_i2c_dtor(struct nvkm_object *);
  51 int  _nvkm_i2c_init(struct nvkm_object *);
  52 int  _nvkm_i2c_fini(struct nvkm_object *, bool);
  53
  54 extern struct nvkm_oclass nvkm_anx9805_sclass[];
  55 extern struct nvkm_oclass gf110_i2c_sclass[];
  56
  57 extern const struct i2c_algorithm nvkm_i2c_bit_algo;
  58 extern const struct i2c_algorithm nvkm_i2c_aux_algo;
  59
  60 struct nvkm_i2c_impl {
  61         struct nvkm_oclass base;
  62
  63         /* supported i2c port classes */
  64         struct nvkm_oclass *sclass;
  65         struct nvkm_oclass *pad_x;
  66         struct nvkm_oclass *pad_s;
  67
  68         /* number of native dp aux channels present */
  69         int aux;
  70
  71         /* read and ack pending interrupts, returning only data
  72          * for ports that have not been masked off, while still
  73          * performing the ack for anything that was pending.
  74          */
  75         void (*aux_stat)(struct nvkm_i2c *, u32 *, u32 *, u32 *, u32 *);
  76
  77         /* mask on/off interrupt types for a given set of auxch
  78          */
  79         void (*aux_mask)(struct nvkm_i2c *, u32, u32, u32);
  80 };
  81
  82 void g94_aux_stat(struct nvkm_i2c *, u32 *, u32 *, u32 *, u32 *);
  83 void g94_aux_mask(struct nvkm_i2c *, u32, u32, u32);
  84
  85 void gk104_aux_stat(struct nvkm_i2c *, u32 *, u32 *, u32 *, u32 *);
  86 void gk104_aux_mask(struct nvkm_i2c *, u32, u32, u32);
  87 #endif