src/soc/intel/common/acpi/dptf/dptf.asl

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /* Include common dptf ASL files */
   4 #include <soc/intel/common/acpi/dptf_common.asl>
   5
   6 Device (DPTF)
   7 {
   8         Name (_HID, DPTF_DPTF_DEVICE)
   9
  10         Name (_UID, 0)
  11
  12         Name (IDSP, Package()
  13         {
  14                 /* DPPM Passive Policy 1.0 */
  15                 ToUUID ("42A441D6-AE6A-462B-A84B-4A8CE79027D3"),
  16
  17                 /* DPPM Critical Policy */
  18                 ToUUID ("97C68AE7-15FA-499c-B8C9-5DA81D606E0A"),
  19
  20                 /* DPPM Cooling Policy */
  21                 ToUUID ("16CAF1B7-DD38-40ED-B1C1-1B8A1913D531"),
  22
  23 #ifdef DPTF_ENABLE_FAN_CONTROL
  24                 /* DPPM Active Policy */
  25                 ToUUID ("3A95C389-E4B8-4629-A526-C52C88626BAE"),
  26 #endif
  27         })
  28
  29         Method (_STA)
  30         {
  31                 If (\DPTE == 1) {
  32                         Return (0xF)
  33                 } Else {
  34                         Return (0x0)
  35                 }
  36         }
  37
  38         /*
  39          * Arg0: Buffer containing UUID
  40          * Arg1: Integer containing Revision ID of buffer format
  41          * Arg2: Integer containing count of entries in Arg3
  42          * Arg3: Buffer containing list of DWORD capabilities
  43          * Return: Buffer containing list of DWORD capabilities
  44          */
  45         Method (_OSC, 4, Serialized)
  46         {
  47                 /* Check for Passive Policy UUID */
  48                 If (DeRefOf (IDSP[0]) == Arg0) {
  49                         /* Initialize Thermal Devices */
  50                         ^TINI ()
  51
  52 #ifdef DPTF_ENABLE_CHARGER
  53                         /* Initialize Charger Device */
  54                         ^TCHG.INIT ()
  55 #endif
  56                 }
  57
  58                 Return (Arg3)
  59         }
  60
  61         /* Priority based _TRT */
  62         Name (TRTR, 1)
  63
  64         Method (_TRT)
  65         {
  66                 Return (\_SB.DTRT)
  67         }
  68
  69 #ifdef DPTF_ENABLE_FAN_CONTROL
  70         Method (_ART)
  71         {
  72                 Return (\_SB.DART)
  73         }
  74 #endif
  75
  76         /* Convert from Degrees C to 1/10 Kelvin for ACPI */
  77         Method (CTOK, 1) {
  78                 /* 10th of Degrees C */
  79                 Local0 = Arg0 * 10
  80
  81                 /* Convert to Kelvin */
  82                 Local0 += 2732
  83
  84                 Return (Local0)
  85         }
  86
  87         /* Convert from 1/10 Kelvin to Degrees C for ACPI */
  88         Method (KTOC, 1) {
  89                 If (Arg0 <= 2732) {
  90                         Return (0)
  91                 }
  92
  93                 /* Convert to Celsius */
  94                 Local0 = Arg0 - 2732
  95
  96                 /* Convert from 10th of degrees */
  97                 Local0 /= 10
  98
  99                 Return (Local0)
 100         }
 101
 102         /* Include Thermal Participants */
 103         #include "thermal.asl"
 104
 105 #ifdef DPTF_ENABLE_CHARGER
 106         /* Include Charger Participant */
 107         #include "charger.asl"
 108 #endif
 109
 110 #ifdef DPTF_ENABLE_FAN_CONTROL
 111         /* Include Fan Participant */
 112         #include "fan.asl"
 113 #endif
 114
 115 }
 116
 117 Scope (\_SB.PCI0)
 118 {
 119         #include "cpu.asl"
 120 }