linux/drivers/gpu/drm/nouveau/include/nvif/if0001.h
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   1/* SPDX-License-Identifier: MIT */
   2#ifndef __NVIF_IF0001_H__
   3#define __NVIF_IF0001_H__
   4
   5#define NVIF_CONTROL_PSTATE_INFO                                           0x00
   6#define NVIF_CONTROL_PSTATE_ATTR                                           0x01
   7#define NVIF_CONTROL_PSTATE_USER                                           0x02
   8
   9struct nvif_control_pstate_info_v0 {
  10        __u8  version;
  11        __u8  count; /* out: number of power states */
  12#define NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE                         (-1)
  13#define NVIF_CONTROL_PSTATE_INFO_V0_USTATE_PERFMON                         (-2)
  14        __s8  ustate_ac; /* out: target pstate index */
  15        __s8  ustate_dc; /* out: target pstate index */
  16        __s8  pwrsrc; /* out: current power source */
  17#define NVIF_CONTROL_PSTATE_INFO_V0_PSTATE_UNKNOWN                         (-1)
  18#define NVIF_CONTROL_PSTATE_INFO_V0_PSTATE_PERFMON                         (-2)
  19        __s8  pstate; /* out: current pstate index */
  20        __u8  pad06[2];
  21};
  22
  23struct nvif_control_pstate_attr_v0 {
  24        __u8  version;
  25#define NVIF_CONTROL_PSTATE_ATTR_V0_STATE_CURRENT                          (-1)
  26        __s8  state; /*  in: index of pstate to query
  27                      * out: pstate identifier
  28                      */
  29        __u8  index; /*  in: index of attribute to query
  30                      * out: index of next attribute, or 0 if no more
  31                      */
  32        __u8  pad03[5];
  33        __u32 min;
  34        __u32 max;
  35        char  name[32];
  36        char  unit[16];
  37};
  38
  39struct nvif_control_pstate_user_v0 {
  40        __u8  version;
  41#define NVIF_CONTROL_PSTATE_USER_V0_STATE_UNKNOWN                          (-1)
  42#define NVIF_CONTROL_PSTATE_USER_V0_STATE_PERFMON                          (-2)
  43        __s8  ustate; /*  in: pstate identifier */
  44        __s8  pwrsrc; /*  in: target power source */
  45        __u8  pad03[5];
  46};
  47#endif
  48