src/mainboard/system76/kbl-u/acpi/battery.asl

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 Device (BAT0)
   4 {
   5         Name (_HID, EisaId ("PNP0C0A") /* Control Method Battery */)
   6         Name (_UID, 0)
   7         Name (_PCL, Package (0x01)  // _PCL: Power Consumer List
   8         {
   9                 _SB
  10         })
  11         Name (BFCC, 0)
  12         Method (_STA, 0, NotSerialized)
  13         {
  14                 If (^^PCI0.LPCB.EC0.ECOK)
  15                 {
  16                         If (^^PCI0.LPCB.EC0.BAT0)
  17                         {
  18                                 Return (0x1F)
  19                         }
  20                         Else
  21                         {
  22                                 Return (0x0F)
  23                         }
  24                 }
  25                 Else
  26                 {
  27                         Return (0x0F)
  28                 }
  29         }
  30
  31         Name (PBIF, Package (0x0D)
  32         {
  33                 1, // 0 - Power Unit
  34                 0xFFFFFFFF, // 1 - Design Capacity
  35                 0xFFFFFFFF, // 2 - Last Full Charge Capacity
  36                 1, // 3 - Battery Technology
  37                 0x39D0, // 4 - Design Voltage
  38                 0, // 5 - Design Capacity of Warning
  39                 0, // 6 - Design Capacity of Low
  40                 0x40, // 7 - Battery Capacity Granularity 1
  41                 0x40, // 8 - Battery Capacity Granularity 2
  42                 "BAT", // 9 - Model Number
  43                 "0001", // 10 - Serial Number
  44                 "LION", // 11 - Battery Type
  45                 "Notebook" // 12 - OEM Information
  46         })
  47         Method (IVBI, 0, NotSerialized)
  48         {
  49                 PBIF [1] = 0xFFFFFFFF
  50                 PBIF [2] = 0xFFFFFFFF
  51                 PBIF [4] = 0xFFFFFFFF
  52                 PBIF [9] = " "
  53                 PBIF [10] = " "
  54                 PBIF [11] = " "
  55                 PBIF [12] = " "
  56                 BFCC = 0
  57         }
  58
  59         Method (UPBI, 0, NotSerialized)
  60         {
  61                 If (^^PCI0.LPCB.EC0.BAT0)
  62                 {
  63                         Local0 = (^^PCI0.LPCB.EC0.BDC0 & 0xFFFF)
  64                         PBIF [1] = Local0
  65                         Local0 = (^^PCI0.LPCB.EC0.BFC0 & 0xFFFF)
  66                         PBIF [2] = Local0
  67                         BFCC = Local0
  68                         Local0 = (^^PCI0.LPCB.EC0.BDV0 & 0xFFFF)
  69                         PBIF [4] = Local0
  70                         Local0 = (^^PCI0.LPCB.EC0.BCW0 & 0xFFFF)
  71                         PBIF [5] = Local0
  72                         Local0 = (^^PCI0.LPCB.EC0.BCL0 & 0xFFFF)
  73                         PBIF [6] = Local0
  74                         PBIF [9] = "BAT"
  75                         PBIF [10] = "0001"
  76                         PBIF [11] = "LION"
  77                         PBIF [12] = "Notebook"
  78                 }
  79                 Else
  80                 {
  81                         IVBI ()
  82                 }
  83         }
  84
  85         Method (_BIF, 0, NotSerialized)  // _BIF: Battery Information
  86         {
  87                 If (^^PCI0.LPCB.EC0.ECOK)
  88                 {
  89                         UPBI ()
  90                 }
  91                 Else
  92                 {
  93                         IVBI ()
  94                 }
  95
  96                 Return (PBIF) /* \_SB_.BAT0.PBIF */
  97         }
  98
  99         Name (PBST, Package (0x04)
 100         {
 101                 0, // 0 - Battery state
 102                 0xFFFFFFFF, // 1 - Battery present rate
 103                 0xFFFFFFFF, // 2 - Battery remaining capacity
 104                 0x3D90 // 3 - Battery present voltage
 105         })
 106         Method (IVBS, 0, NotSerialized)
 107         {
 108                 PBST [0] = 0
 109                 PBST [1] = 0xFFFFFFFF
 110                 PBST [2] = 0xFFFFFFFF
 111                 PBST [3] = 0x2710
 112         }
 113
 114         Method (UPBS, 0, NotSerialized)
 115         {
 116                 If (^^PCI0.LPCB.EC0.BAT0)
 117                 {
 118                         Local0 = 0
 119                         Local1 = 0
 120                         If (^^AC.ACFG)
 121                         {
 122                                 If (((^^PCI0.LPCB.EC0.BST0 & 0x02) == 0x02))
 123                                 {
 124                                         Local0 |= 0x02
 125                                         Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
 126                                 }
 127                         }
 128                         Else
 129                         {
 130                                 Local0 |= 1
 131                                 Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
 132                         }
 133
 134                         Local7 = (Local1 & 0x8000)
 135                         If ((Local7 == 0x8000))
 136                         {
 137                                 Local1 ^= 0xFFFF
 138                         }
 139
 140                         Local2 = (^^PCI0.LPCB.EC0.BRC0 & 0xFFFF)
 141                         Local3 = (^^PCI0.LPCB.EC0.BPV0 & 0xFFFF)
 142                         PBST [0] = Local0
 143                         PBST [1] = Local1
 144                         PBST [2] = Local2
 145                         PBST [3] = Local3
 146                         If ((BFCC != ^^PCI0.LPCB.EC0.BFC0))
 147                         {
 148                                 Notify (BAT0, 0x81) // Information Change
 149                         }
 150                 }
 151                 Else
 152                 {
 153                         IVBS ()
 154                 }
 155         }
 156
 157         Method (_BST, 0, NotSerialized)  // _BST: Battery Status
 158         {
 159                 If (^^PCI0.LPCB.EC0.ECOK)
 160                 {
 161                         UPBS ()
 162                 }
 163                 Else
 164                 {
 165                         IVBS ()
 166                 }
 167
 168                 Return (PBST) /* \_SB_.BAT0.PBST */
 169         }
 170 }