kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h

   1 #ifndef __NVKM_VOLT_H__
   2 #define __NVKM_VOLT_H__
   3 #include <core/subdev.h>
   4
   5 struct nvkm_voltage {
   6         u32 uv;
   7         u8  id;
   8 };
   9
  10 struct nvkm_volt {
  11         struct nvkm_subdev base;
  12
  13         int (*vid_get)(struct nvkm_volt *);
  14         int (*get)(struct nvkm_volt *);
  15         int (*vid_set)(struct nvkm_volt *, u8 vid);
  16         int (*set)(struct nvkm_volt *, u32 uv);
  17         int (*set_id)(struct nvkm_volt *, u8 id, int condition);
  18
  19         u8 vid_mask;
  20         u8 vid_nr;
  21         struct {
  22                 u32 uv;
  23                 u8 vid;
  24         } vid[256];
  25 };
  26
  27 static inline struct nvkm_volt *
  28 nvkm_volt(void *obj)
  29 {
  30         return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_VOLT);
  31 }
  32
  33 #define nvkm_volt_create(p, e, o, d)                                        \
  34         nvkm_volt_create_((p), (e), (o), sizeof(**d), (void **)d)
  35 #define nvkm_volt_destroy(p) ({                                             \
  36         struct nvkm_volt *v = (p);                                          \
  37         _nvkm_volt_dtor(nv_object(v));                                      \
  38 })
  39 #define nvkm_volt_init(p) ({                                                \
  40         struct nvkm_volt *v = (p);                                          \
  41         _nvkm_volt_init(nv_object(v));                                      \
  42 })
  43 #define nvkm_volt_fini(p,s)                                                 \
  44         nvkm_subdev_fini((p), (s))
  45
  46 int  nvkm_volt_create_(struct nvkm_object *, struct nvkm_object *,
  47                           struct nvkm_oclass *, int, void **);
  48 void _nvkm_volt_dtor(struct nvkm_object *);
  49 int  _nvkm_volt_init(struct nvkm_object *);
  50 #define _nvkm_volt_fini _nvkm_subdev_fini
  51
  52 extern struct nvkm_oclass nv40_volt_oclass;
  53 extern struct nvkm_oclass gk20a_volt_oclass;
  54
  55 int nvkm_voltgpio_init(struct nvkm_volt *);
  56 int nvkm_voltgpio_get(struct nvkm_volt *);
  57 int nvkm_voltgpio_set(struct nvkm_volt *, u8);
  58 #endif