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

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 Device (DPTF)
   4 {
   5         Name (_HID, EISAID ("INT3400"))
   6         Name (_UID, 0)
   7
   8         Name (IDSP, Package()
   9         {
  10                 /* DPPM Passive Policy 1.0 */
  11                 ToUUID ("42A441D6-AE6A-462B-A84B-4A8CE79027D3"),
  12
  13                 /* DPPM Critical Policy */
  14                 ToUUID ("97C68AE7-15FA-499c-B8C9-5DA81D606E0A"),
  15
  16                 /* DPPM Cooling Policy */
  17                 ToUUID ("16CAF1B7-DD38-40ED-B1C1-1B8A1913D531"),
  18
  19 #ifdef DPTF_ENABLE_FAN_CONTROL
  20                 /* DPPM Active Policy */
  21                 ToUUID ("3A95C389-E4B8-4629-A526-C52C88626BAE"),
  22 #endif
  23         })
  24
  25         Method (_STA)
  26         {
  27                 If (\DPTE == 1) {
  28                         Return (0xF)
  29                 } Else {
  30                         Return (0x0)
  31                 }
  32         }
  33
  34         /*
  35          * Arg0: Buffer containing UUID
  36          * Arg1: Integer containing Revision ID of buffer format
  37          * Arg2: Integer containing count of entries in Arg3
  38          * Arg3: Buffer containing list of DWORD capabilities
  39          * Return: Buffer containing list of DWORD capabilities
  40          */
  41         Method (_OSC, 4, Serialized)
  42         {
  43                 /* Check for Passive Policy UUID */
  44                 If (DeRefOf (IDSP [0]) == Arg0) {
  45                         /* Initialize Thermal Devices */
  46                         ^TINI ()
  47
  48 #ifdef DPTF_ENABLE_CHARGER
  49                         /* Initialize Charger Device */
  50                         ^TCHG.INIT ()
  51 #endif
  52                 }
  53
  54                 Return (Arg3)
  55         }
  56
  57         /* Priority based _TRT */
  58         Name (TRTR, 1)
  59
  60         Method (_TRT)
  61         {
  62                 Return (\_SB.DTRT)
  63         }
  64
  65 #ifdef DPTF_ENABLE_FAN_CONTROL
  66         Method (_ART)
  67         {
  68                 Return (\_SB.DART)
  69         }
  70 #endif
  71
  72         /* Convert from Degrees C to 1/10 Kelvin for ACPI */
  73         Method (CTOK, 1) {
  74                 /* 10th of Degrees C */
  75                 Local0 = Arg0 * 10
  76
  77                 /* Convert to Kelvin */
  78                 Local0 += 2732
  79
  80                 Return (Local0)
  81         }
  82
  83         /* Include Thermal Participants */
  84         #include "thermal.asl"
  85
  86 #ifdef DPTF_ENABLE_CHARGER
  87         /* Include Charger Participant */
  88         #include "charger.asl"
  89 #endif
  90
  91 #ifdef DPTF_ENABLE_FAN_CONTROL
  92         /* Include Fan Participant */
  93         #include "fan.asl"
  94 #endif
  95
  96 }
  97
  98 Scope (\_SB.PCI0)
  99 {
 100         #include "cpu.asl"
 101 }