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

   1#ifndef __NVBIOS_VOLT_H__
   2#define __NVBIOS_VOLT_H__
   3
   4enum nvbios_volt_type {
   5        NVBIOS_VOLT_GPIO = 0,
   6        NVBIOS_VOLT_PWM,
   7};
   8
   9struct 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
  24u16 nvbios_volt_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
  25u16 nvbios_volt_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
  26                      struct nvbios_volt *);
  27
  28struct nvbios_volt_entry {
  29        u32 voltage;
  30        u8  vid;
  31};
  32
  33u16 nvbios_volt_entry(struct nvkm_bios *, int idx, u8 *ver, u8 *len);
  34u16 nvbios_volt_entry_parse(struct nvkm_bios *, int idx, u8 *ver, u8 *len,
  35                            struct nvbios_volt_entry *);
  36#endif
  37