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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

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source code of linux/drivers/gpu/drm/nouveau/include/nvif/if0001.h