| Simon Glass | ca75c3f | 2020-09-22 12:44:49 -0600 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright (C) 2016 Intel Corporation. |
| 4 | */ |
| 5 | |
| 6 | Device (TFN1) |
| 7 | { |
| 8 | Name (_HID, "INT3404") |
| 9 | Name (_UID, 0) |
| 10 | Name (_STR, Unicode("Fan Control")) |
| 11 | |
| 12 | /* _FIF: Fan Information */ |
| 13 | Name (_FIF, Package () |
| 14 | { |
| 15 | 0, // Revision |
| 16 | 1, // Fine Grained Control |
| 17 | 2, // Step Size |
| 18 | 0 // No Low Speed Notification |
| 19 | }) |
| 20 | |
| 21 | /* Return Fan Performance States defined by mainboard */ |
| 22 | Method (_FPS) |
| 23 | { |
| 24 | Return (\_SB.DFPS) |
| 25 | } |
| 26 | |
| 27 | Name (TFST, Package () |
| 28 | { |
| 29 | 0, // Revision |
| 30 | 0x00, // Control |
| 31 | 0x00 // Speed |
| 32 | }) |
| 33 | |
| 34 | /* _FST: Fan current Status */ |
| 35 | Method (_FST, 0, Serialized,,PkgObj) |
| 36 | { |
| 37 | /* Fill in TFST with current control. */ |
| 38 | Store (\_SB.PCI0.LPCB.EC0.FAND, Index (TFST, 1)) |
| 39 | Return (TFST) |
| 40 | } |
| 41 | |
| 42 | /* _FSL: Fan Speed Level */ |
| 43 | Method (_FSL, 1, Serialized) |
| 44 | { |
| 45 | Store (Arg0, \_SB.PCI0.LPCB.EC0.FAND) |
| 46 | } |
| 47 | |
| 48 | Method (_STA) |
| 49 | { |
| 50 | If (LEqual (\DPTE, One)) |
| 51 | { |
| 52 | Return (0xF) |
| 53 | } Else { |
| 54 | Return (0x0) |
| 55 | } |
| 56 | } |
| 57 | } |