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

   1 #ifndef __NVBIOS_VOLT_H__
   2 #define __NVBIOS_VOLT_H__
   3
   4 enum nvbios_volt_type {
   5         NVBIOS_VOLT_GPIO = 0,
   6         NVBIOS_VOLT_PWM,
   7 };
   8
   9 struct nvbios_volt {
  10         enum nvbios_volt_type type;
  11         u32 min;
  12         u32 max;
  13         u32 base;
  14
  15         /* GPIO mode */
  16         u8  vidmask;
  17         s16 step;
  18
  19         /* PWM mode */
  20         u32 pwm_freq;
  21         u32 pwm_range;
  22 };
  23
  24 u16 nvbios_volt_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
  25 u16 nvbios_volt_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
  26                       struct nvbios_volt *);
  27
  28 struct nvbios_volt_entry {
  29         u32 voltage;
  30         u8  vid;
  31 };
  32
  33 u16 nvbios_volt_entry(struct nvkm_bios *, int idx, u8 *ver, u8 *len);
  34 u16 nvbios_volt_entry_parse(struct nvkm_bios *, int idx, u8 *ver, u8 *len,
  35                             struct nvbios_volt_entry *);
  36 #endif