1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* AMD Platform Management Framework Interface
*
* Copyright (c) 2023, Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Authors: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
* Basavaraj Natikar <Basavaraj.Natikar@amd.com>
*/
#ifndef AMD_PMF_IO_H
#define AMD_PMF_IO_H
#include <linux/types.h>
/**
* enum sfh_message_type - Query the SFH message type
* @MT_HPD: Message ID to know the Human presence info from MP2 FW
* @MT_ALS: Message ID to know the Ambient light info from MP2 FW
* @MT_SRA: Message ID to know the SRA data from MP2 FW
* @MT_OP_MODE: Message ID to know the operating-mode (tablet/laptop) info
*/
enum sfh_message_type {
MT_HPD,
MT_ALS,
MT_SRA,
MT_OP_MODE,
};
/**
* enum sfh_hpd_info - Query the Human presence information
* @SFH_NOT_DETECTED: Check the HPD connection information from MP2 FW
* @SFH_USER_PRESENT: Check if the user is present from HPD sensor
* @SFH_USER_AWAY: Check if the user is away from HPD sensor
*/
enum sfh_hpd_info {
SFH_NOT_DETECTED,
SFH_USER_PRESENT,
SFH_USER_AWAY,
};
/**
* struct amd_sfh_info - get HPD sensor info from MP2 FW
* @ambient_light: Populates the ambient light information
* @user_present: Populates the user presence information
* @platform_type: Operating modes (clamshell, flat, tent, etc.)
* @laptop_placement: Device states (ontable, onlap, outbag)
* @op_mode: Operating-mode field (see enum sfh_dev_mode); used for tablet detection
*/
struct amd_sfh_info {
u32 ambient_light;
u8 user_present;
u32 platform_type;
u32 laptop_placement;
u32 op_mode;
};
/**
* enum sfh_dev_mode - SFH operating-mode field (sfh_op_mode.mode, bits 0-2)
* @SFH_MODE_LAPTOP: Device is in laptop/clamshell posture
* @SFH_MODE_TABLET: Device is in tablet posture
*/
enum sfh_dev_mode {
SFH_MODE_LAPTOP = 1,
SFH_MODE_TABLET = 3,
};
/**
* struct amd_pmf_npu_metrics: Get NPU metrics data from PMF driver
* @npuclk_freq: NPU clock frequency [MHz]
* @npu_busy: NPU busy % [0-100]
* @npu_power: NPU power [mW]
* @mpnpuclk_freq: MPNPU [MHz]
* @npu_reads: NPU read bandwidth [MB/sec]
* @npu_writes: NPU write bandwidth [MB/sec]
* @npu_temp: NPU temperature [C]
*/
struct amd_pmf_npu_metrics {
u16 npuclk_freq;
u16 npu_busy[8];
u16 npu_power;
u16 mpnpuclk_freq;
u16 npu_reads;
u16 npu_writes;
u16 npu_temp;
};
int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
/* AMD PMF and NPU interface */
int amd_pmf_get_npu_data(struct amd_pmf_npu_metrics *info);
#endif
|
